CN109984793A - A kind of percussion equipment - Google Patents

A kind of percussion equipment Download PDF

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Publication number
CN109984793A
CN109984793A CN201711472884.0A CN201711472884A CN109984793A CN 109984793 A CN109984793 A CN 109984793A CN 201711472884 A CN201711472884 A CN 201711472884A CN 109984793 A CN109984793 A CN 109984793A
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CN
China
Prior art keywords
moving component
linkage part
percussion
equipment according
locking piece
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Granted
Application number
CN201711472884.0A
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Chinese (zh)
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CN109984793B (en
Inventor
陈望东
丁水澄
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Suzhou Tianchen International Medical Technology Co Ltd
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Suzhou Tianchen International Medical Technology Co Ltd
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Priority to CN201711472884.0A priority Critical patent/CN109984793B/en
Publication of CN109984793A publication Critical patent/CN109984793A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/115Staplers for performing anastomosis in a single operation
    • A61B17/1155Circular staplers comprising a plurality of staples
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00367Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Abstract

The invention discloses a kind of percussion equipment, including pedestal;First moving component is slidably set;Operating member has the abutment for applying to the first moving component and tending to the active force of active position;Second moving component is arranged in the stationary state relative to pedestal and abuts against with operating member, and the second moving component constitutes the fulcrum of operating member;Linkage part, the activity setting between the first position and the second position relative to pedestal, first position correspond to stationary state, and in the second position, for the second moving component to be transformed into moving condition, the first moving component constitutes the fulcrum of operating member;Driving linkage part resets to the resetting-mechanism of first position.The percussion equipment can carry out it experimentally to fire test using preceding, test function that it prevents the components such as secondary percussion lock whether normal reliable, device reset can will be fired by resetting-mechanism after test completion to original state.

Description

A kind of percussion equipment
Technical field
The present invention relates to the field of medical instrument technology, and in particular to a kind of percussion equipment.
Background technique
Stapler is the equipment of the substitution traditional-handwork suture medically used, and the stapler clinically used at present has The advantages that suturing quick, easy to operate and few side effects and postoperative complication, very by the blueness of domestic and international Clinical Surgery doctor It looks at and praises highly.Stapler is divided into circular-pipe anastomat, Linear type suturing instrument, hysteroscope stapler etc. according to function and structure, wherein Circular-pipe anastomat coincide for various cavities, by being driven into staple in cavity organization, so that two layers of cavity organization's suture Together, while built-in endless knife cuts off extra tissue, forms circular previous anastomotic, completes coincideing for cavity.It is main at present To be applied to that oesophagus, stomach, intestines etc. are gastral to coincide, and peritomize and coincideing after hemorrhoid ring cutting.
In order to prevent stapler during surgery continuous shooting twice, stapler disclosed in Chinese patent literature CN1785127A In be provided with prevent secondary percussion lock, wherein surgery tubular binding strument comprising Binding Instrument ontology, crimp head, percussion lock Structure, driving regulating mechanism and insurance institution.Firing lock includes the handle and shell being mutually permanently connected, and handle and shell are cut with scissors It connects on Binding Instrument ontology, interior of shell is equipped with block, and handle is equipped with convex block;Driving regulating mechanism includes screw rod and adjusting rotation Button, screw rod front end are connect with crimp head, and rear end is threadedly coupled with adjusting knob.
Insurance institution includes bumper bar and pulling-on piece, and the bottom of bumper bar has safety block, and top has pointer, Binding Instrument sheet Body corresponds to and is equipped with indication window at the position of pointer, is hinged in Binding Instrument inner body wall in the middle part of bumper bar, bumper bar and reset Spring connection, reset spring make bumper bar have the trend rotated counterclockwise around its hinge joint;Pulling-on piece front end is divided into three pieces, in Between a piece of front end be equipped with drag hook, two sides two panels is slidably arranged in the guide groove in Binding Instrument inner body wall face, the tail portion of pulling-on piece Fixation is set on screw rod, and under original state, drag hook is hooked on the boss of bumper bar.
In use, when original state, the safety block on bumper bar bottom is at block inside the shell, so that handle Percussion can not be depressed, voluntary insurance state is in;In operation, rotation of adjustment knob drives screw rod to move to adjusting knob direction, Screw rod drives pulling-on piece movement connected to it, and the drag hook on pulling-on piece pulls the boss on bumper bar to keep bumper bar hinged around it Point rotates clockwise, and the block in safety block and handle shell on bumper bar completely disengages, and being now in can cock;Pressure It is lower manual firing when, convex block on handle is opened the centre of pulling-on piece is a piece of and deforms pulling-on piece, so that the drawing on pulling-on piece For hook far from the boss on bumper bar, drag hook loses the position-limiting action to bumper bar, unclamps handle after the completion of percussion, and bumper bar can be It being rotated counterclockwise under the action of reset spring, the safety block on bumper bar is resisted against again at the block in handle shell, so that Handle can not be depressed, and the function of preventing secondary percussion is played.
But above-mentioned stapler, after the completion of percussion, since pulling-on piece deformation will not automatically reset, i.e., pulling-on piece is lost The function that driving bumper bar rotates again is coincide so that the safety block on bumper bar can continue at block inside the shell Device is continuously in the safety position that can not be fired, so the tubular binding strument can not be reused, reliability can not pass through Operation consent carries out the mode of tentative percussion to detect, and will lead in operation and the percussion process to fail occurs, causes operative failure Security risk.
Summary of the invention
Therefore, technical problem to be solved by the present invention lies in overcome fire equipment in the prior art to prevent that secondary percussion fills It sets and causes percussion equipment that can not reuse;And percussion equipment can not be carried out before use safe hidden caused by tentative detection The defect of trouble.
For this purpose, the present invention provides a kind of percussion equipment, including
Pedestal;
First moving component is mounted slidably between the initial position and active position of the relatively described pedestal;
Operating member has the abutment for applying to first moving component and tending to the active force of the active position;
It is characterized in that, further including
Second moving component, in the stationary state setting relative to the pedestal, second moving component and the behaviour It is abutted against as component, second moving component constitutes the fulcrum of the operating member;
Linkage part, the activity setting between the first position and the second position relative to the pedestal;Described second Second moving component can be transformed into moving condition from stationary state by position, the linkage part;
Resetting-mechanism, in the moving condition, for driving second moving component to be transformed into the stationary state, and The linkage part is driven to reset to the first position.
It is further preferred that above-mentioned percussion equipment, one end of the operating member is hinged on first moving component On, the first hinge joint is formed on first moving component;
It further include strut, both ends are respectively hinged on the operating member and second moving component, described The second hinge joint is formed on two moving components;
In the stationary state, second hinge joint constitutes the fulcrum of the operating member;In the moving condition, institute State the fulcrum that the first hinge joint constitutes the operating member.
It is further preferred that above-mentioned percussion equipment, stop zone is offered on second moving component;
The percussion equipment further includes position-limit mechanism, in the third place relative to the pedestal and can between the 4th position It is slidably arranged on second moving component;
The both ends of the linkage part are arranged with first moving component and position-limit mechanism linkage respectively;Described First position, the position-limit mechanism are locked in the stop zone;In the second position, described in the linkage part releasing Locking of the position-limit mechanism to second moving component.
It is further preferred that above-mentioned percussion equipment, the position-limit mechanism include
Locking piece is plugged in the stop zone in the third place;
Second return unit is arranged on the locking piece, applies to the locking piece towards the second of the stop zone Biasing force;
The linkage part is matched on the locking piece, and in the second position, the linkage part gives the locking Part, which applies, compresses power backwards to the stop zone, and the locking piece exits the stop zone.
It is further preferred that above-mentioned percussion equipment, described when the linkage part is moved towards the second position Locking piece and the linkage part are cooperated by inclined first guide surface, and the linkage part produces on first guide surface Power is compressed described in life.
It is further preferred that above-mentioned percussion equipment, form that slide along direction prominent on the inner wall of the locking piece Protruding portion out, when first guide surface is pressed on the protruding portion, the linkage part applies the locking piece The power of compressing.
It is further preferred that above-mentioned percussion equipment, the linkage part protrude into the end of one end in the locking piece Equipped with first guide surface towards the protruding portion;
In the first position, first guide surface is far from the protruding portion;In the second position, the linkage portion It is located at ipsilateral outside wall surface with first guide surface on part to be connected on the protruding portion.
It is further preferred that above-mentioned percussion equipment, further includes that one end is fixed on the pedestal, the other end passes through described Locking piece and the locating part extended towards first moving component direction;
The other end that the linkage part protrudes into the locking piece is slidably disposed on the locating part, institute Locating part is stated for limiting the motion range of the linkage part.
It is further preferred that above-mentioned percussion equipment, the linkage part includes first sliding groove and setting described in the formation The opening direction of second sliding slot in at least one side wall of first sliding groove, the first sliding groove and the second sliding slot is opposite;
Limiting section is provided on the end of the other end of the locating part, the other end of the locating part protrudes into described first In sliding slot, the limiting section is embedded in the second sliding slot;
In the first position, the limiting section support leans against the slot bottom of the second sliding slot;It is described in the second position Limiting section keeps off the opening in the second sliding slot.
It is further preferred that above-mentioned percussion equipment, in the first position, one end of the linkage part is overlapped on institute On the one end for stating the first moving component;In the active position, the end face of described one end of the linkage part and described first The end face of described one end of moving component is detached from.
Preferably, above-mentioned percussion equipment further includes be arranged between the pedestal and first moving component One return unit, first return unit to first moving component apply towards second moving component side first partially Pressure.
It is further preferred that above-mentioned percussion equipment, the resetting-mechanism include
Third return unit is arranged between the pedestal and second moving component, and gives second moving component Apply the third biasing force towards first moving component side;
Shifting part is slidably arranged relative between the 5th position of the pedestal and the 6th position;
Stressed member is arranged in the outside wall surface of the linkage part and is located at the shifting part and first moving component Between;
When the shifting part is slided towards the 6th position, the shifting part applies described in the stressed member Power is stirred in first position, so that the linkage part resets to the first position.
Preferably, above-mentioned percussion equipment is equipped with second towards a side end face of the shifting part on the stressed member and leads To face, when the shifting part is slided towards the 6th position, the shifting part face simultaneously compresses second guide surface.
Preferably, above-mentioned percussion equipment, the resetting-mechanism further include setting on the pedestal and are resisted against described The 4th return unit on linkage part, the 4th return unit apply to the linkage part towards the 4th of the first position Biasing force.
Preferably, above-mentioned percussion equipment further includes relative between the 5th position of the pedestal and the 6th position The third moving component being mounted slidably, the shifting part are arranged on the third moving component;
Second moving component is set on the third moving component.
Preferably, above-mentioned percussion equipment, the stop zone are to be provided with through-hole or recessed on second moving component Slot.
Technical solution of the present invention has the advantages that
1. percussion equipment provided by the invention, after the completion of setting prevents that secondary percussion lock, percussion equipment fire for the first time, pine Opened handle, linkage part driven under the driving of the first moving component locking piece be detached from stop zone, by the second moving component from Stationary state is transformed into moving condition, so that percussion equipment is transformed into percussion failure state.
Prevent that secondary percussion lock may be implemented that percussion equipment is changed into percussion failure state automatically after first time fires Function, can be avoided first time fire after because accidentally touch operating member make fire equipment fire again the case where, can It is strong by property.
2. resetting-mechanism is arranged in percussion equipment provided by the invention, resetting-mechanism includes stressed member and shifting part, works as linkage When component is in the second position, drives stressed member to enter to drive linkage part to reset to first position by shifting part, that is, fire Device reset is to original state.
The percussion equipment can carry out it experimentally to fire test using preceding, test it and prevent the portions such as secondary percussion lock The function of part whether normal reliable, after test completion can will percussion device reset to original state.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the percussion equipment cross-sectional view provided in the embodiment of the present invention 1;
Fig. 2 be Fig. 1 in percussion equipment be in can cock when cross-sectional view;
Fig. 3 is the cross-sectional view that percussion equipment prevents when secondary percussion lock starts in Fig. 1;
Fig. 4 is the first moving component structural schematic diagram that equipment is fired in Fig. 1;
Fig. 5 is the locking piece side view that equipment is fired in Fig. 1;
Fig. 6 is the locking piece structural schematic diagram that equipment is fired in Fig. 1;
Fig. 7 is the locking piece cross-sectional view that equipment is fired in Fig. 1;
Fig. 8 is the third moving component structural schematic diagram that equipment is fired in Fig. 1;
Fig. 9 is the linkage part and locating part structural schematic diagram that equipment is fired in Fig. 1;
Figure 10 is the linkage part top view that equipment is fired in Fig. 1;
Figure 11 is the locating part structural schematic diagram that equipment is fired in Fig. 1;
Figure 12 is the linkage part structural schematic diagram that equipment is fired in Fig. 1;
Figure 13 is the shell cross-sectional view that equipment is fired in Fig. 1;
Figure 14 is the structural schematic diagram that the second moving component of equipment is fired in Fig. 1;
Figure 15 is the transition piece structural schematic diagram that equipment is fired in Fig. 1;
Figure 16 is the transition piece cross-sectional view that equipment is fired in Fig. 1;
Figure 17 is the transition piece side view that equipment is fired in Fig. 1;
Figure 18 is the nail-anvil assembly structural schematic diagram that equipment is fired in Fig. 1;
Figure 19 is the ejector pin header structure schematic diagram that equipment is fired in Fig. 1;
Figure 20 is the nail barrel structural schematic diagram that equipment is fired in Fig. 1;
Description of symbols:
1- pedestal;The first limiting section of 11-;The second limiting section of 12-;The first guide groove of 121-;The first limit hole of 122-;13- Third limiting section;The 4th limiting section of 14-;The 5th limiting section of 15-;The 6th limiting section of 16-;
The first moving component of 2-;The first support division of 21-;
The second moving component of 3-;31- regions;The second support division of 32-;33- first step;34- guide part;35- second Hinge joint;
4- third moving component;41- shifting part;The second actuator of 42-;
5- operating member;The first hinge joint of 51-;52- strut;53- third hinge joint;
6- screw barrel component;61- nail barrel;62- nail bin;63- ejector pin head;
7- nail-anvil assembly;71- nail anvil head;72- nail anvil rod;
81- transition piece;811- first end plate;The second guide groove of 812-;813- second step;The first support portion of 814-; The second support portion of 815-;816- installation through-hole;817- first passage;The second bottom wall of 818-;82- locking piece;821- protruding portion; 8211- third guide surface;The first limited post of 822-;823- second channel;The first return unit of 83-;The second return unit of 84-;85- Three return units;
91- linkage part;The second limited post of 911-;The first guide surface of 912-;913- first sliding groove;914- second sliding slot; 915- the first side wall;916- second sidewall;The first bottom wall of 917-;The first guide wall of 919-;92- stressed member;921- second is oriented to Face;93- locating part;931- spacer pin;932- card slot;933- allows bit space;The first actuator of 94-.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
The expression word " proximal end " of position and direction described in the present invention, " distal end ", be using equipment operator as It is proximal end by one end of proximal operator referring to (not shown), one end far from operator is distal end.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments It can be combined with each other at conflict.
Embodiment 1
The present embodiment provides a kind of percussion equipment, as shown in Figure 1 comprising pedestal 1, nail-anvil assembly 7, screw barrel component 6, Two actuators 42, the first moving component 2, the second moving component 3, third moving component 4, operating member 5, strut 52, first are multiple Position part 83, resetting-mechanism and prevents secondary percussion lock at position-limit mechanism;Wherein percussion equipment is stapler;Position-limit mechanism includes Second return unit 84, transition piece 81, locking piece 82;Resetting-mechanism includes third return unit 85, shifting part 41, stressed member 92.
As shown in figure 13, pedestal 1 is the shell of stapler, and shell is preferably made of left shell and right shell body;Shell tool Have along the inner cavity that it is axially penetrated through, is successively arranged the 4th limiting section the 14, the 5th limit towards proximal end by distal end on the inner wall of shell Position portion 15, the 6th limiting section 16, the first limiting section 11, the second limiting section 12, third limiting section 13.
As illustrated in figures 1 and 8, third moving component 4 is preferably arranged on the screw rod in housing cavity, third moving component 4 can axially move towards housing distal or housing proximal end along shell;The outside wall surface of third moving component 4 is equipped with shifting part 41, dials Moving part 41 extends radially outwardly along third moving component 4, and shifting part 41 is preferably sold.
Second actuator 42 is arranged on the proximal end of shell and is set in the proximal end of third moving component 4, also, third is transported The proximal end of dynamic component 4 is threadedly engaged with the second actuator 42, and the second actuator 42 is preferably knob;Operator is along clockwise direction Turning knob drives third moving component 4 towards housing proximal end side by being threadedly engaged between knob and third moving component 4 To movement;Operator's turning knob in the counterclockwise direction drives third moving component 4 to move towards housing distal direction.
As shown in Fig. 1, Fig. 4, Fig. 8, Figure 13, the first moving component 2 is preferably ejector pin bar, and setting is in housing cavity distal end At the position of corresponding 4th limiting section 14 and the 5th limiting section 15, and it is set on the distal end of third moving component 4;First Moving component 2 can be moved along the axial of shell towards distal end or proximal end.The proximal end of first moving component 2 is equipped with radially outward First support division 21 of circle extended.
First return unit 83 is set in the outside wall surface of the first moving component 2, and proximal end is resisted against on the first support division 21, Its distal end is resisted against on the 4th limiting section 14, and the first return unit 83 has the first biasing force towards housing proximal end;There is no it Its external force and only under the action of the first biasing force, the first support division 21 is resisted against on the 5th limiting section 15, at this time first Moving component 2 is in its initial position;In this way, making the first moving component 2 under the action of the first return unit 83, remain The trend moved to housing proximal end, the first return unit 83 are preferably compressed spring.
As shown in Fig. 1, Figure 13-Figure 14, Figure 16-Figure 17, transition piece 81 is arranged in the first limiting section 11 and the second limiting section Between 12;The transition piece 81 is located between 3 proximal end of shifting part 41 and the second moving component;When original state, the transition piece 81 distal end is held in first limiting section 11.Symmetrical two inner wall of transition piece 81 be equipped with along shell it is axially extending the Two guide grooves 812;The distal end of transition piece 81 is additionally provided with the first end plate 811 passed through for third moving component 4;First end plate The distal end end face of 811 proximal face and the second moving component 3 is facing each other and is suitable for abutting each other.
As shown in figure 14, the second moving component 3 is preferably sliding sleeve, is set in the opposite proximal end of third moving component 4 simultaneously It can axially be moved towards distal end or proximal end along shell;The proximal end of second moving component 3 is equipped with the First being radially recessed inwardly Rank 33 is additionally provided with the second support division 32 to extend radially outwardly along the second moving component 3 in 33 far-end of first step;Second fortune It is respectively equipped with the guide part 34 axially extending along shell in the symmetrical two side walls of dynamic component 3, transition piece 81 is led along being axially arranged with To slot 812, the guide part 34 is threaded through in the second guide groove 812, to obtain reliable movement;The top of second moving component 3 End outside wall surface is equipped with the stop zone 31 being recessed inwardly.
As shown in Figure 1, third return unit 85 is set in the outside wall surface of third moving component 4, third return unit 85 it is close End is resisted against on third limiting section 13, and the distal end of third return unit 85 is set on first step 33;Third return unit 85 has Towards third biasing force housing distal and much smaller than the first biasing force;Therefore without other external force and only in third biasing force Under the action of, the second support division 32 is resisted against on the second limiting section 12, and the distal end end face of the second moving component 3 is resisted against In the proximal face of end plate 811, the second moving component 3 is in its initial position at this time;In this way, making the second moving component 3 Under the action of third return unit 85, the trend moved to housing distal is remained, third return unit 85 preferably compresses bullet Spring.
As shown in Fig. 1, Fig. 4, Figure 14, operating member 5 is preferably handle, and the distal end of handle is hinged on first by rotational pin The proximal end of moving component 2, hinge joint are the first hinge joint 51, and the proximal end of handle reaches outside shell through the opening in housing sidewall Portion, the hand that the shape of handle is suitable for human body are held.
The distal end articulated of strut 52 forms third hinge joint 53 on handle proximal end;The proximal hinge of strut 52 is in the second fortune The distal end of dynamic component 3 forms the second hinge joint 35.
When stapler is in original state, the first return unit 83 acts on the first moving component 2, so that the first support division 21 It is resisted against on the 5th limiting section 15;Simultaneously as the effect of third return unit 85, so that the second support division 32 is resisted against the second limit The distal end end face on the top in position portion 12, the second moving component 3 is resisted against in the proximal face of first end plate 811.Due to handle Distal end is hinged on the first moving component 2 by the first hinge joint 51;The second fortune is being connected to proximally by the second hinge joint 35 On dynamic component 3;Therefore, in the initial state, handle is under the action of the first hinge joint 51 and the second hinge joint 35, Ke Yibao Hold a stable opening angle.
As shown in Fig. 1, figure 5-8, Figure 13-Figure 17, the installation through-hole extended radially through along shell is also opened up on transition piece 81 816, stop zone 31 is not less than installation through-hole 816 along the width of shell axial direction along the width of shell axial direction;Locking piece 82 is along shell Body is radially slidably disposed in installation through-hole 816, and the distal end end face of locking piece 82 and proximal face are logical with installation respectively The distal end end face in hole 816 and proximal face are in contact, so that locking piece 82 can be along 816 proximal end of installation through-hole and distal end Inner wall sliding.
As shown in figure 5, locking piece 82 forms the first limited post in the axial side outside wall surface of third moving component 4 822,84 one end of the second return unit is set on the first limited post 822, and the other end is resisted against on the inner wall of shell;Second resets Part 84 has second biasing force axial towards third moving component 4, and the second return unit 84 is preferably compressed spring.
Stapler be in can cock when, stop zone 31 and 816 face of installation through-hole, 82 direction of locking piece at this time One end of third moving component 4 is inserted partially into stop zone 31 under the action of the second return unit 84, at this time locking piece 82 In the third place, transition piece 81 and the second moving component 3 pass through locking piece 82 and are locked as an entirety, i.e. the second moving component 3 are in stationary state relative to shell.
When the second moving component 3 is in stationary state relative to shell, the second hinge joint 35 constitutes the rotation of handle Fulcrum, i.e. stapler can cocks in as shown in Figure 2;Handle is pressed at this time, under the driving of handle, the first movement portion Part 2 can move to active position from its initial position, and the second moving component 3 remains stationary.
As shown in Fig. 5-Fig. 7, Figure 15-Figure 17, transition piece 81 axially offers first passage 817, first passage along shell 817 are connected with installation through-hole 816;Locking piece 82 axially offers second channel 823 along shell, and second channel 823 and first are led to Road 817 at least can be partially connected to;Second channel 823 on the side inner wall of third moving component 4 far from being provided with along shell diameter To the protruding portion 821 to extend out, the longitudinal cross-section of protruding portion 821 is " trapezoidal ", and the long side of " trapezoidal " is arranged in second channel On 823 inner walls, for the short side of " trapezoidal " far from 823 inner wall of second channel, the waist of " trapezoidal " corresponds to two of protruding portion 821 Inclined third guide surface 8211.
The bottom interior wall face of 817 distal end of first passage is equipped with along the first radially projecting support portion 814 of shell and described Second bottom wall 818 of 814 distal end of the first support portion;The bottom interior wall face of 817 proximal end of first passage is equipped with radially prominent along shell The distal end of the second support portion 815 out, the first support portion 814 and the second support portion 815 is inclined guide surface.
As shown in Fig. 1, Fig. 5-Fig. 7, Fig. 9-Figure 13, Figure 15-Figure 17, prevent that secondary percussion lock includes linkage part 91, limit Position part 93, the first actuator 94 and the 6th limiting section 16, the 6th limiting section 16 are arranged on face on the inner wall of the housing and are located at the 5th Between limiting section 15 and the first limiting section 11.
The top of second limiting section 12 is equipped with the first limit hole 122, and the proximal end of locating part 93 is equipped with and the first limit hole 122 The card slot 932 matched, locating part 93 are fixed on the second limiting section 12 by the cooperation of card slot 932 and the first limit hole 122; The distal end of locating part 93 reaches the outside of transition piece 81, original state after first passage 817 and second channel 823 Under, 93 bottom wall of locating part is resisted against on the second support portion 815;The distal end side wall surface of locating part 93 is equipped with symmetrical two Limiting section, limiting section are preferably spacer pin 931.
The side wall surface of locating part 93 towards protruding portion 821 be equipped be recessed inwardly allow bit space 933, when locking piece 82 When in the third place, protruding portion 821, which is in, to be allowed in bit space 933.
When stapler is in stationary state as shown in Figure 2, can cock and when not pressing handle and being fired, Linkage part 91 proximally through first passage 817 and protrude into second channel 823;Linkage part 91 proximal end direction is prominent The side in portion 821 is equipped with chamfering out, and chamfering is preferably inclined first guide surface 912;91 proximal end of linkage part is offered from close The first sliding groove 913 for holding end to extend to distal end, first sliding groove 913 run through the close of linkage part 91 along shell in the radial direction End forms the first side wall 915 and second sidewall 916 of corresponding first sliding groove 913 in the proximal end of linkage part 91;The first side wall 915 offer symmetrical second sliding slot 914 with the distal upper of second sidewall 916, and the distal end setting of locating part 93 is sliding first In slot 913;The distal end upper wall surface of linkage part 91 is equipped with the second limited post 911, and the distal end of the first actuator 94 is set in the On two limited posts 911, proximal end is resisted against on the 6th limiting section 16, and the first actuator 94 has towards 4 axis of third moving component To and be biased to the 5th biasing force in housing distal direction;To extension there are two symmetrically being set in 91 distal end two side walls of linkage part The wing stressed member 92 stretched, stressed member 92 are inclined second guide surface 921 towards the end face of third moving component 4, and second leads It is suitable for matching with shifting part 41 to face 921.
As shown in figure 12, the distal end of linkage part 91 is equipped with the first bottom wall 917, and positioned at the of first bottom wall distal end One guide wall 919;When stapler be in it is as shown in Figure 2 can cock and when not pressing handle and being fired, spacer pin 931 are located at the proximal end of two second sliding slots 914, and first guide wall 919 is located at the distal end of first support portion 814, institute The first bottom wall 917 is stated to be held on first support portion 814;First guide surface 912 of 91 proximal end of linkage part is located at The distal end of the protruding portion 821, the distal end of linkage part 91 along shell radial overlap in the side wall surface of the first moving component 2, At this point, linkage part 91 is in first position.
When stapler be in it is as shown in Figure 2 can cock when, press handle, the first moving component 2 of driving is from starting Position moves to active position, compresses the first return unit 83, at this time effect of the distal end of linkage part 91 in the first actuator 94 Under rotate around spacer pin 931 and moved towards 4 axis direction of third moving component, be finally overlapped on the outer of third moving component 4 On wall surface, projection of the proximal face of the distal end end face of linkage part 91 and the first moving component 2 in shell axial direction is mutually dry It relates to.
Then handle is unclamped, the first moving component 2 is under the action of the first return unit 83 from active position to initial position Movement, and then linkage part 91 is driven by the abutting of 2 proximal face of the first moving component and 91 distal end end face of linkage part It is moved towards housing proximal end, so that the second guide surface 921 on linkage part 91 is supported with the third guide surface 8211 on protruding portion 821 It connects, so that locking piece 82 is driven to deviate from from stop zone 31 towards one end of third moving component 4, the bottom of protruding portion 821 End face is resisted against in the top end surface of 91 proximal end of linkage part, and locking piece 82 is in the 4th position at this time;Spacer pin 931 from second Deviate from sliding slot 914, the bottom end face of 91 proximal end of linkage part is resisted against on the first support portion 814, so that locking piece 82 is kept The 4th position deviate from from stop zone 31, transition piece 81 and the second moving component 3 release mutual locking;
Since the first biasing force is much larger than third biasing force, so the second moving component 3 is relative to the first moving component 2 Movably, and the first moving component 2 relative to the second moving component 3 be it is fixed, the second moving component 3 is in movement at this time State, the first hinge joint 51 constitute the rotating fulcrum of handle;Handle is pressed at this time, and hand-drive strut 52 is driven the second fortune Dynamic component 3 is moved towards housing proximal end, and the first moving component 2 keeps its initial position motionless, at this point, linkage part 91 is in it The second position, that is, prevent secondary percussion lock starting, and stapler is transformed into the percussion failure shape after first time percussion as shown in Figure 3 State.
When percussion failure state after stapler is in first time percussion as shown in Figure 3, operator is along side counterclockwise To turning knob, third moving component 4 is driven to move that shifting part 41 is driven to move towards housing distal towards housing distal, at this time Shifting part 41 is moved from the 5th position to the 6th position and is abutted with the second guide surface 921 on stressed member 92, and then by dialling Moving part 41 drives the distal end of linkage part 91 towards far from 4 axial direction of third moving component the withstanding effect of the second guide surface 921 Direction movement, the distal end of linkage part 91 reset to the first position being radially overlapped in 2 side wall surface of the first moving component, the One guide surface 912 is far from protruding portion 821;Meanwhile the transition piece 81 after the effect for losing the shifting part 41 described It is connected to first limiting section 11 to distal end is mobile under the action of three return units 85, the stop zone 31 and the installation are logical Hole 816 is staggered, and entire stapler resets to original state at this time.
As shown in Fig. 1, Figure 19, Figure 20, screw barrel component 6 includes nail barrel 61, ejector pin head 63 and suturing nail, and nail barrel 61 is installed At the distal openings of shell, the first moving component 2 protrudes into the inner cavity of 61 proximal end of nail barrel with the distal end of third moving component 4 In, 61 distal end of nail barrel be equipped with annular nail bin 62, suturing nail along nail bin 62 circumferentially distributed setting in nail bin 62.
The knot that ejector pin head 63 is slidably disposed in the inner cavity of nail barrel 61 and preferably matches with 61 inner cavity of nail barrel Structure, proximal end are connect with the distal end of the first moving component 2, and distal end face suturing nail simultaneously is suitable for pushing up suturing nail from nail bin 62 Out;Ejector pin head 63, which distally corresponds to, is equipped with annular blade at the inner ring position of suturing nail.
As shown in Fig. 1 and Figure 18, nail-anvil assembly 7 includes nail anvil head 71 and nail anvil rod 72, and nail anvil head 71 is separated by a spacing From the distal end and face suturing nail that nail bin 62 is arranged in, 71 proximal end of nail anvil head is equipped with the groove of each suturing nail of face;Nail anvil head The structure of 71 preferably similar cones, the bottom of conical structure are located at proximal end, and top is located at distal end;Nail anvil rod 72 is threaded through In the inner cavity of nail barrel 61 and ejector pin head 63, nail anvil rod 72 is connected on the distal end of third moving component 4 proximally by pin, The distal end of nail anvil rod 72 is fixedly connected on the center position of 71 proximal end of nail anvil head.
Nail anvil head 71 can be along shell axially reciprocating under the drive of third moving component 4, and ejector pin head 63 is in the first fortune Can be along shell axially reciprocating, when nail anvil head 71 and suturing nail are at a distance of pre-determined distance under the drive of dynamic component 2, ejector pin head 63 It is moved towards housing distal and suturing nail is ejected into nail bin 62, and then by the group between 62 distal end of 71 proximal end of nail anvil head and nail bin Suture is knitted, meanwhile, the annular blade on ejector pin head 63 cuts the excess tissue after suture.
Secondary percussion lock is prevented in stapler setting, after in first time, percussion is completed and unclamps handle, in the first movement portion During part 2 resets to initial position from active position, proximally second is transported by driving linkage part 91 Dynamic component 3 is transformed into moving condition from stationary state, i.e., by stapler from can cock be automatically converted to percussion failure state. The stapler can first time fire after by preventing that secondary percussion lock is automatically converted into percussion failure state, can to avoid Stapler is made to fire the case where leading to operative failure generation again because accidentally touching handle after firing for the first time, it is highly reliable.
Prevent being additionally provided with stressed member 92 in secondary percussion lock, when linkage part 91 is in the second position, stapler is in and hits When sending out failure state, by the effect of shifting part 41 and stressed member 92, linkage part 91 is reset into first position, i.e., will be coincide Device resets to the original state before firing for the first time.The stapler before surgery to carry out it experimental percussion to survey Examination, test function that it prevents the components such as secondary percussion lock whether normal reliable, this is to Guan Chong for the success for guaranteeing operation It wants, stapler can be reset to original state after test completion, start to perform the operation.
Embodiment 2
It is existing compared with the structure of the percussion equipment provided in embodiment 1 the present embodiment provides a kind of percussion equipment Difference is only that shell, nail barrel 61 and nail anvil head 71 can be other shapes of structure, and specific structure is by using annular to determine It is fixed, for example, shell and nail barrel 61 can be more suitable for extending into the interior of tubular tissue for certain curved tubular type structure Portion;
As further interchangeable embodiment, the generally bell cover structure of nail anvil head 71, the opening of bell cover structure is located at Distal end simultaneously is suitable for being set on glans penis, and firing equipment at this time is anastomat for circumcision.
Embodiment 3
The present embodiment provides a kind of percussion equipment, the knot of the percussion equipment provided with any embodiment in embodiment 1-2 Structure is compared, and existing difference is only that shifting part 41 is the pin of stirring being slidably disposed on shell wall side, and one end is located at Hull outside is simultaneously manually controlled suitable for operator, and the other end is located in housing cavity, manually controlled by operator stir pin come Stressed member 92 is driven, and then linkage part 91 is reset into first position from the second position.
Embodiment 4
The present embodiment provides a kind of percussion equipment, the knot of the percussion equipment provided with any embodiment in embodiment 1-3 Structure is compared, and existing difference is only that when the second moving component 3 is in its initial position, third return unit 85 can not be generated Third biasing force, when the second moving component 3 proximally when, third return unit 85 just generates third biasing force;
As further interchangeable embodiment, it can be not provided with the second return unit 84, operator is manual by handle Drive the stop zone 31 and 816 face of installation through-hole on the second moving component 3.
Embodiment 5
The present embodiment provides a kind of percussion equipment, the knot of the percussion equipment provided with any embodiment in embodiment 1-4 Structure is compared, and existing difference is only that the second actuator 42 rotates in the counterclockwise direction, drives third moving component 4 towards proximal end Movement;It is possible to further be not provided with the second actuator 42, operator is moved by manually controlling third moving component 4, and by The holding screw in 4 outside wall surface of third moving component is resisted against across shell wall side temporarily to fix position.
Embodiment 6
The present embodiment provides a kind of percussion equipment, the knot of the percussion equipment provided with any embodiment in embodiment 1-5 Structure is compared, and existing difference is only that, prevents that secondary percussion lock can be not provided with locating part 93 and linkage part 91 is only arranged, this When also need to be arranged the 4th return unit, the 4th return unit one end is resisted against on the second limiting section 12, and the other end is resisted against linkage portion The proximal end of part 91, the 4th return unit have the 4th biasing force towards housing distal direction;Linkage part 91 itself has elasticity, When the first moving component 2 moves to active position from initial position, linkage part 91 is transported by natural resiliency from first position It moves to the second position, and first position is reset to by the collective effect of shifting part 41 and the 4th return unit.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes still within the protection scope of the invention.

Claims (16)

1. a kind of percussion equipment, including
Pedestal (1);
First moving component (2) is mounted slidably between the initial position and active position of the relatively described pedestal (1);
Operating member (5) has the abutting for applying to first moving component (2) and tending to the active force of the active position Point;
It is characterized in that, further including
Second moving component (3), in the stationary state setting relative to the pedestal (1), second moving component (3) and institute It states operating member (5) to abut against, second moving component (3) constitutes the fulcrum of the operating member (5);
Linkage part (91), the activity setting between first position and the second position relative to the pedestal (1);Described Second moving component (3) can be transformed into moving condition from stationary state by two positions, the linkage part (91);
Resetting-mechanism, in the moving condition, for driving second moving component (3) to be transformed into the stationary state, and The linkage part (91) is driven to reset to the first position.
2. percussion equipment according to claim 1, which is characterized in that one end of the operating member (5) is hinged on described On first moving component (2), the first hinge joint (51) are formed on first moving component (2);
It further include strut (52), both ends are respectively hinged on the operating member (5) and second moving component (3), The second hinge joint (35) are formed on second moving component (3);
In the stationary state, second hinge joint (35) constitutes the fulcrum of the operating member (5);In the mobile shape State, first hinge joint (51) constitute the fulcrum of the operating member (5).
3. percussion equipment according to claim 2, which is characterized in that offer limit on second moving component (3) Region (31);
The percussion equipment further includes position-limit mechanism, can between the third place and the 4th position relative to the pedestal (1) It is slidably arranged on second moving component (3);
The both ends of the linkage part (91) are arranged with first moving component (2) and position-limit mechanism linkage respectively;? The first position, the position-limit mechanism are locked in the stop zone (31);In the second position, the linkage part (91) locking of the position-limit mechanism to second moving component (3) is released.
4. percussion equipment according to claim 3, which is characterized in that the position-limit mechanism includes
Locking piece (82) is plugged in the stop zone (31) in the third place;
Second return unit (84) is arranged on the locking piece (82), applies to the locking piece (82) towards the spacing zone Second biasing force in domain (31);
The linkage part (91) is matched on the locking piece (82), and in the second position, the linkage part (91) is given The locking piece (82), which applies, compresses power backwards to the stop zone (31), and the locking piece (82) exits the stop zone (31)。
5. percussion equipment according to claim 4, which is characterized in that in the linkage part (91) towards the second When setting movement, the locking piece (82) and the linkage part (91) are cooperated by inclined first guide surface (912), described Dynamic component (91) compresses power described in generating on first guide surface (912).
6. percussion equipment according to claim 5, which is characterized in that form edge on the inner wall of the locking piece (82) Its glide direction protruding portion outstanding (821), when first guide surface (912) is pressed on the protruding portion (821), institute It states linkage part (91) and compresses power to described in the locking piece (82) application.
7. percussion equipment according to claim 6, which is characterized in that the linkage part (91) protrudes into the locking piece (82) end of one end in is equipped with first guide surface (912) towards the protruding portion (821);
In the first position, first guide surface (912) is far from the protruding portion (821);It is described in the second position It is located at ipsilateral outside wall surface with first guide surface (912) on linkage part (91) to be connected on the protruding portion (821).
8. percussion equipment according to claim 7, which is characterized in that further include that one end is fixed on the pedestal (1), separately The locating part (93) that one end passes through the locking piece (82) and extends towards the first moving component (2) direction;
The other end that the linkage part (91) is protruded into the locking piece (82) is slidably disposed on the locating part (93) on, the locating part (93) is used to limit the motion range of the linkage part (91).
9. percussion equipment according to claim 8, which is characterized in that the linkage part (91) includes first sliding groove (913) and second sliding slot (914) of the setting in at least one side wall for forming the first sliding groove (913), the first sliding groove (913) and the opening direction of the second sliding slot (914) is opposite;
Limiting section is provided on the end of the other end of the locating part (93), the other end of the locating part (93) protrudes into described In first sliding groove (913), the limiting section is embedded in the second sliding slot (914);
In the first position, the limiting section support leans against the slot bottom of the second sliding slot (914);In the second position, institute Limiting section gear is stated in the opening of the second sliding slot (914).
10. percussion equipment according to claim 9, which is characterized in that
In the first position, one end of the linkage part (91) is overlapped on one end of first moving component (2);? The active position, described one end of the end face of described one end of the linkage part (91) and first moving component (2) End face be detached from.
11. percussion equipment according to claim 1 to 10, which is characterized in that further include being arranged in the pedestal (1) the first return unit (83) between first moving component (2), first return unit (83) is to first movement Component (2) applies the first biasing force towards the second moving component (3) side.
12. percussion equipment according to claim 11, which is characterized in that the resetting-mechanism includes
Third return unit (85) is arranged between the pedestal (1) and second moving component (3), and to second fortune Dynamic component (3) applies the third biasing force towards the first moving component (2) side;
Shifting part (41) is slidably arranged between the 5th position and the 6th position relative to the pedestal (1);
Stressed member (92) is arranged in the outside wall surface of the linkage part (91) and is located at the shifting part (41) and described first Between moving component (2);
When the shifting part (41) is slided towards the 6th position, the shifting part (41) applies to the stressed member (92) Power is stirred towards the first position, so that the linkage part (91) resets to the first position.
13. percussion equipment according to claim 12, which is characterized in that towards the shifting part on the stressed member (92) (41) a side end face is equipped with the second guide surface (921), described when the shifting part (41) is slided towards the 6th position Shifting part (41) face simultaneously compresses second guide surface (921).
14. percussion equipment according to claim 12, which is characterized in that the resetting-mechanism further includes being arranged in the base On frame (1) and the 4th return unit that is resisted against on the linkage part (91), the 4th return unit give the linkage part (91) apply the 4th biasing force towards the first position.
15. percussion equipment according to claim 12, which is characterized in that further include in relative to the pedestal (1) The third moving component (4) being mounted slidably between five positions and the 6th position, the shifting part (41) setting is described the On three moving components (4);
Second moving component (3) is set on the third moving component (4).
16. percussion equipment according to claim 3, which is characterized in that the stop zone (31) is to be provided with described the Through-hole or groove on two moving components (3).
CN201711472884.0A 2017-12-29 2017-12-29 Firing equipment Active CN109984793B (en)

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