CN105491971B

CN105491971B - A kind of orthopedic kirschner pin bending machine

Info

Publication number: CN105491971B
Application number: CN201480030992.0A
Authority: CN
Inventors: 王晓; 肖艳; 刘大晗
Original assignee: Zhengzhou Zezheng Technical Services Ltd
Current assignee: Zhengzhou Zezheng Technical Services Ltd
Priority date: 2013-05-30
Filing date: 2014-05-30
Publication date: 2019-05-24
Anticipated expiration: 2034-05-30
Also published as: CN105491971A; WO2014190945A1

Abstract

A kind of orthopedic kirschner pin bending machine, it is characterized by: molding pellet (1) is fixed on pedestal (5), pedestal (5) sets limited post (4), limited post (4) and molding pellet (1) jointly position Kirschner wire, and shifting block (6) is rotatably connected on pedestal (5) by connector (31).Set ahead (6) of (3) rotation stir Kirschner wire and are coiled into the hook-shaped elbow that core block (1) is formed by bending standard around the shaft, when thus avoiding using binding clip bending, first vise Kirschner wire, then again firmly by its bending, time-consuming and laborious disadvantage under the state of vising.

Description

A kind of orthopedic kirschner pin bending machine

Technical field

The present invention relates to a kind of surgical medical equipment more particularly to a kind of orthopedic kirschner pin bending machines.

Background technique

The Kirschner wire steel needle fixed as knochenbruch docking is commonly used in bone surgery, general Kirschner wire is on 20 centimeters of left sides The right side, diameter have different several specifications between 0.5~3 millimeter.For fixing short and small fracture or avulsion fracture iso-stress not Big fracture fixation is also commonly used in bone surgery in the fixation of interim sclerite.It during surgery can be according to docking bone Size is cut out Kirschner wire steel needle, is then inserted into Kirschner wire steel needle in the bone for boring sky and is fixed, and will expose bone Steel needle bending outside bone can not be taken out with preventing the backshank for staying in bone surface from piercing out skin or not having face to the marrow in the future.At present Bending work is often completed using needle holder or binding clip, it is often more time-consuming, in Publication No. CN87212315U patent Handle must be rotated by 90 ° can be by Kirschner wire bending, in bending process, and the side plane of pressing block connects with Kirschner wire always Touching.

Summary of the invention

The object of the invention is that a kind of orthopedic kirschner pin bending machine is provided, to solve to use needle holder in the prior art Or binding clip completes the existing time-consuming and laborious problem of bending work.

A kind of orthopedic kirschner pin bending machine, molding pellet (1) are fixed on pedestal (5), and pedestal (5) is set limited post (4), limit Position column (4) and molding pellet (1) jointly position Kirschner wire, and shifting block (6) is rotatably connected on pedestal (5) by connector (31) On.

The orthopedic kirschner pin bending machine, salient angle (69) general gram that shifting block (6) contacts when stirring Kirschner wire with Kirschner wire Family name's needle bending.

The orthopedic kirschner pin bending machine, the salient angle (69) contacted with Kirschner wire and pellet (1) form cutout.

The orthopedic kirschner pin bending machine, the shifting block (6) are rotatably connected on pedestal (5) by connector (31), It is that fixing axle and axle sleeve are rotatablely connected between shifting block (6) and pedestal (5).

The orthopedic kirschner pin bending machine, sets one of ball, needle roller or bearing between the fixing axle and axle sleeve.

The orthopedic kirschner pin bending machine, the limited post (4) are fixed on the base, and connector (31) is rotatably connected on In the fixing axle of pedestal (5).

The orthopedic kirschner pin bending machine, the connector (31) are rotatably connected in the fixing axle of pedestal (5), wherein Connector (31) is axle sleeve, and sleeve end is fixed shifting block (6), and pedestal (5) is one end of fixing axle.

The orthopedic kirschner pin bending machine, the limited post (4) are block (19), and pedestal (5) and block (19) are by even Bar connection.

The orthopedic kirschner pin bending machine, the pedestal (5) connect handle (81), and guide rod (9) connects handle (82), even Bar connects clamping lever (87).

The orthopedic kirschner pin bending machine, the molding pellet (1) are fixed on pedestal (5), and pedestal (5) is equipped with axis hole (2), shaft (3) are equipped in axis hole (2), shaft (3) stretches out axis hole and constitutes limited post (4), limited post (4) and molding pellet (1) Kirschner wire is positioned jointly, shaft (3) is fixed shifting block (6) by connector (31);The shaft (3), connector (31) and dial Block (6) constitutes rotatable parts.

The orthopedic kirschner pin bending machine, pedestal (5) fixed stop (19), the block (19) are located at axis hole (2) Around, relatively, block (191) is used for fixation Kel's needle when bending for block (191) and pellet (1)；

Or block (192) is that pedestal (5) are stretched out in axis hole (2) the inner surface face opposite with pellet (1), block (192) is used Limited post (4) are resisted when bending；

Or the pedestal (5) is equipped with block (19), and axis hole (2) are arranged for pedestal (5), axis hole (2) penetrates block (19), Axis hole (2) is penetrated with the shaft (3) of the shifting block (6) of pedestal (5) rotation connection and is penetrated block (19), and the shaft (3) is stretched out Axis hole (2) and the part for penetrating block (19) are exposed in the side of block (19) clamping kirschner needle tray, are constituted limited post (4)；

Or the block (191) is active block stop, block (191) and shaft (3) are linked, and block (191) is placed in activity In slot (195), limited post (4) is cam, and block (191) connect linkage with the cam of shaft (3)；

Or the block (191) is active block stop, block (191) and shaft (3) are linked, and block (191) is placed in activity In slot (195), limited post (4) is cam, and block (191) connect linkage with the cam of shaft (3), and limited post (4) is cam, limit Position column (4) sets side plane (18)；

Or block (191) is placed in loose slot, sets crank between limited post (4) and block (191), block (191) with The connection linkage of shaft (3) crankshaft；

Or the active block stop and the shaft being arranged on pedestal (5) link, active block stop and shaft constitute slide crank Block mechanism；

Or the active block stop and shaft constitute slider-crank mechanism, pedestal (5) is equipped with axis hole (2), sets in axis hole (2) Have shaft (3), shaft (3) stretches out axis hole and constitutes limited post (4), and limited post (4) and molding pellet (1) are jointly fixed to Kirschner wire Position, shaft (3) are fixed shifting block (6) by connector (31);The shaft (3), connector (31) and shifting block (6) constitute rotation section Part, the block (191) are placed in loose slot (195), and limited post (4) is cam, the cam company of block (191) and shaft (3) Connect linkage；

Or the active block stop and shaft constitute slider-crank mechanism, active block stop (193) and are placed on pedestal (5) Compressed spring (196)-in sliding slot (194) holds connection, and the pedestal (5) and the binding clip side of binding clip are solidified as a whole, binding clip master Cam (197) are arranged in shaft (33), and active block stop (193) is joined by the cam (197) of compressed spring (196) and main shaft (33) It is dynamic；

Or the active block stop and the shaft being arranged on pedestal (5) link, active block stop is elastic component (198), bullet Property part (198) by supporting element (199) constitute support lever, one end of elastic component (198) and pellet (1) clamp Kirschner wire, pincers The other end that briquetting (331) press elastic component (198) is arranged in head main shaft (33)；

Or active block stop interval fixed range is mobile to pellet (1), active block stop is matched with pedestal (5) guideway Close, active block stop be resisted against interval fixed range change on block, or interval fixed range change against block as live Dynamic block, the interval fixed range change against block, the fixed block of pedestal (5), side of the block towards pellet (1) is inserted Pad the gasket of fixed thickness, constitute that interval fixed range changes against block, the polygon pin is regular polygon pin (1905), rectangle, polygon pin tail end fixed movable axis (1907)-end, movable axis (1907) other end fixed spring baffle (1908), it is set between spring stop (1908) and pedestal (5) reset spring (1909)；

Or active block stop interval fixed range is mobile to pellet (1), active block stop is matched with pedestal (5) guideway Close, active block stop be resisted against interval fixed range change on block, or interval fixed range change against block as live Dynamic block, the interval fixed range change against block, pedestal (5) bolt cooperates polygon pin, the polygon pin Pin head be pin be against block, the distance of pin head side to pin central axis is different, constitutes interval fixed range change It is dynamic against block, the polygon pin is regular polygon pin (1905), rectangle, the fixed movable axis of polygon pin tail end (1907)-end, movable axis (1907) other end fixed spring baffle (1908) are set between spring stop (1908) and pedestal (5) Reset spring (1909)；

Or the interval fixed range change against block, pedestal (5) bolt cooperates straight pin, the pin of the straight pin Column cap is active block stop, active block stop, that is, at least two side of pin head, and the distance of side to pin central axis is different, is constituted It is spaced the active block stop that fixed range changes, the confined planes of one with the cooperation of active block stop side are at least set on pedestal (5), it should Confined planes position active block stop in conjunction with straight pin；Or the block (19) forms the plane of the slot of clamping Kirschner wire (1991), if threaded hole perpendicular to the plane, threaded rod (1992) are matched in threaded hole, threaded rod (1992) and plane (1991)-cause end face, for clamping Kirschner wire.

The orthopedic kirschner pin bending machine, the pedestal (5) and the binding clip side of pliers are solidified as a whole, the binding clip As guide rod (9), fixed crank (II) in shaft (3) links between guide rod (9) and crank (11) for the other side, guide rod (9) and bent It links between handle (II), instructs that sliding block (10) linkage is arranged between bar (9) and crank (II)；

Or the pedestal (5) and the binding clip side of pliers are solidified as a whole, the other side of the binding clip as guide rod (9), Fixed crank (II) in shaft (3), links between guide rod (9) and crank (11), links, refers between guide rod (9) and crank (II) Straight pin is set between guide rod (9) and crank (II) and slot cooperation links；

Or the pedestal (5) and the binding clip side of pliers are solidified as a whole, the other side of the binding clip as guide rod (9), Fixed crank (II) in shaft (3), links between guide rod (9) and crank (11), links, refers between guide rod (9) and crank (II) Straight pin is set between guide rod (9) and crank (II) and slot cooperation links, the straight pin and slot cooperation link, on crank (II) If the double-deck hangers shape slot (III), guide rod (9) are set biconvex straight pin (91), biconvex straight pin (91) and the double-deck hangers shape slot (III) Mounting；Or connection is engaged by gear between the shaft (3) and the main shaft (33) of pliers；Or the guide rod (9) It links between shaft and handle (82), is that meshed gears is set between the shaft of guide rod (9) and the shaft of handle (82) (91),(92)；Or link between the shaft and handle (82) of the guide rod (9), it is shaft and handle (82) of guide rod (9) Between shaft, shift fork is set.

The orthopedic kirschner pin bending machine, the side of the pedestal (5) and the side (501) of binding clip two sides are one admittedly Body, the intersection point of two sides binding clip, within the scope of 45 degree of the center line two sides of the slot of clamping Kirschner wire, the other side of the binding clip is made For guide rod (502), link between guide rod (502) and the connector (601) of shifting block (6).

The orthopedic kirschner pin bending machine, the intersection point of the two sides binding clip are articulated shaft A (331), the guide rod (502) Link between the connector (601) of shifting block (6), be guide rod (502) end and connector (601) hingedly, guide rod is flexible leads Bar (5020), to cooperate shifting block (6) to rotate, the guide rod is flexible guide rod, and guide rod is two sections, passes through sliding sleeve between two sections of guide rods (5021) slide bar is set in constitutes flexible slide bar (5022)；

Or the intersection point of the two sides binding clip is slide block mechanism, the connector (601) of the guide rod (502) and shifting block (6) Between link, be guide rod (502) end and the connector (601) by articulated shaft (332) hingedly, the slide block mechanism is bar shaped The slide block mechanism of cooperation pin (331) in slot (5024)；

Or the intersection point of the two sides binding clip is slide block mechanism, the connector (601) of the guide rod (502) and shifting block (6) Between link, be guide rod (502) end and the connector (601) by articulated shaft (332) hingedly, the slide block mechanism is binding clip Side (501) is set supported hole (5025), and support guide rod (502) is slided while rotation in supported hole (5025)；

Or the intersection point of the two sides binding clip be articulated shaft A (331) hingedly, the connection of the guide rod (502) and shifting block (6) Part links between (601), and guide rod (502) end is that slide block mechanism is connect with the connector (601), and the slide block mechanism is item The slide block mechanism of cooperation pin (332) in shape slot (5023).

Binding clip is used in the prior art, often first vises Kirschner wire, is then exerted oneself its bending again under the state of vising, Time-consuming and laborious, the shifting block that the present invention rotates around the axis stirs Kirschner wire and is coiled into the hook-shaped elbow that core block is formed by bending standard.

Detailed description of the invention

Fig. 1 is explosive view of the invention.

Fig. 2 is work side view of the invention.

Fig. 3 is transmitting power side view of the invention.

Fig. 4 is the just preceding schematic diagram that display shifting block of the invention adds slot.

Fig. 5 is the schematic side view of display limited post annular groove of the invention.

Fig. 6 is the elevational schematic view of display limited post annular groove of the invention.

Fig. 7 is interaction relation rough schematic view one between shaft and main shaft of the invention.

Fig. 8 is interaction relation rough schematic view two between shaft and main shaft of the invention.

Fig. 9 is interaction relation rough schematic view three between shaft and main shaft of the invention.

Figure 10 is course of work schematic diagram one of the invention.

Figure 11 is course of work schematic diagram two of the invention.

Figure 12 is the structural schematic diagram of display measurement item of the invention.

Figure 13 is the hangers shape slot structure schematic diagram that central axis is straight line.

Figure 14 is the hangers shape slot structure schematic diagram that central axis is camber line.

Figure 15 is the hangers shape slot structure schematic diagram that central axis is broken line.

Figure 16 is side view of the invention.

Figure 17 is the line A-A cross-sectional view along Figure 16.

Figure 18 is second of cross-sectional view of the line A-A along Figure 16.

Figure 19 is the third cross-sectional view of the line A-A along Figure 16.

Figure 20 is the 4th kind of cross-sectional view of the line A-A along Figure 16.

Figure 21 is the rearview of Figure 16.

Figure 22 is the axis side schematic diagram of Figure 21.

Figure 23 is that hand handle and the angle on pedestal bottom edge are greater than 90 degree of structural schematic diagrams.

Figure 24 is that hand handle and the angle on pedestal bottom edge are greater than 90 degree of another structural schematic diagrams.

Figure 25 is that gear structure schematic diagram is set between guide rod shaft and handle shaft.

Figure 26 is setting stop block structure schematic diagram around axis hole.

Figure 27 is setting another viewing angle constructions schematic diagram of block around axis hole.

Figure 28 is structural schematic diagram of the invention.

Figure 29 is another viewing angle constructions schematic diagram of Figure 27.

Figure 30 is another structural schematic diagram of the present invention.

Figure 31 is another viewing angle constructions schematic diagram of Figure 29.

Figure 32 is that shifting block 6 rotates preceding downside and less than 90 degree structural schematic diagrams of right side angle.

Figure 33 is that shifting block 6 rotates front lower lateral parts excision structural schematic diagram.

Figure 34 is explosive view of the present invention.

Figure 35 is schematic structural view of the invention.

Figure 36 is to clamp Kirschner wire positional structure schematic diagram.

Figure 37 is bending Kirschner wire positional structure schematic diagram.

Figure 38 is that Kirschner wire folding is U-shaped positional structure schematic diagram.

Figure 39 is extraction active block stop structural schematic diagram.

Figure 40 is that guide rod 9 and connector 31 constitute link mechanism pellet side structure schematic diagram.

Figure 41 is that guide rod 9 and connector 31 constitute link mechanism base back surface structural schematic diagram.

Figure 42 is that shifting block sets arc-shaped lobe formation schematic diagram.

Figure 43 is that shifting block sets salient angle shape structural schematic diagram.

Figure 44 active block stop connects compressed spring structural schematic diagram.

Figure 45 active block stop is elastomer structure schematic diagram.

Figure 46 elastomer sets offsetting spring structure schematic diagram.

Figure 47 active block stop lever connection spacing piece structure schematic diagram.

Figure 48 active block stop connecting pin column cap side structure schematic diagram.

Figure 49 active block stop and pin component configuration schematic diagram.

Figure 50 pin head is as active block stop structural schematic diagram.

Figure 51 straight pin active block stop structural schematic diagram.

Figure 52 straight pin active block stop configuration schematic diagram.

Figure 53 overall structure diagram.

Figure 54 contains flexible guide rod structure schematic diagram.

Figure 55 guide rod sets strip groove and jaw side constitutes slide block mechanism structural schematic diagram.

Figure 56 jaw side sets supported hole and guide rod constitutes slide block mechanism the schematic diagram of the section structure.

Figure 58 screw rod end clamps Kirschner wire structural schematic diagram.

Figure 59 is that a kind of salient angle (69) contacted with Kirschner wire and pellet (1) form cutout schematic diagram.

Figure 60 is that fixing axle and axle sleeve are rotatablely connected schematic diagram.

Figure 61 is that another salient angle (69) contacted with Kirschner wire and pellet (1) form cutout schematic diagram.

Specific embodiment

A kind of orthopedic kirschner pin bending machine, it is characterised in that: molding pellet 1 is fixed on pedestal 5, and pedestal 5 sets limited post 4, limited post 4 and molding pellet 1 jointly position Kirschner wire, and shifting block 6 is rotatably connected on pedestal 5 by connector 31.Such as figure 59 Figure 60 Figure 61, the orthopedic kirschner pin bending machine, the salient angle 69 contacted when shifting block 6 stirs Kirschner wire with Kirschner wire is by kirschner Needle bending.

The orthopedic kirschner pin bending machine, the salient angle 69 contacted with Kirschner wire and pellet 1 form cutout.With gram After the salient angle 69 of family name's needle contact stirs Kirschner wire bending certain angle, Kirschner wire is truncated, Kirschner wire bending angle is preferably Between 90 °, 180 ° or 90 ° -180 °, when Kirschner wire bending angle is between 90 ° -180 °, the cut sides for shearing Kirschner wire exist Truncation position is not perpendicular to kirschner needle axis, if setting cut sides and kirschner needle axis before bending are substantially parallel, cut sides The wedge angle of formation constitutes U-shaped bending together with aforementioned bending；Certain Kirschner wire bending angle is good less than 90 °, and only effect is not It is good.

The orthopedic kirschner pin bending machine, the shifting block 6 are rotatably connected on pedestal 5 by connector 31, are shifting block 6 It is rotatablely connected between pedestal 5 for fixing axle and axle sleeve.

The orthopedic kirschner pin bending machine, the limited post 4 are fixed on the base, and connector 31 is rotatably connected on pedestal In 5 fixing axle.

The orthopedic kirschner pin bending machine, the connector 31 is rotatably connected in the fixing axle of pedestal 5, wherein connecting Part 31 is axle sleeve, and the fixed shifting block 6 of sleeve end, pedestal 5 is one end of fixing axle.

The orthopedic kirschner pin bending machine, the limited post (4) are block (19), and pedestal (5) and block (19) are by even Bar connection.The form of block (19), it is consistent with the meaning of subsequent active block stop etc..

As shown in Figure 53 ~ 57, a kind of orthopedic kirschner pin bending machine, molding pellet 1 is fixed on pedestal 5, and pedestal 5 is equipped with gear Block 19, block 19 and pellet 1 constitute the slot of clamping Kirschner wire, and the shifting block 6 being rotatablely connected with pedestal 5 is dialled for stirring Kirschner wire It is U-shaped curved that the salient angle 69 contacted when block 6 stirs Kirschner wire with Kirschner wire, which rolls over Kirschner wire,.

The orthopedic kirschner pin bending machine, the side of the pedestal 5 are solidified as a whole with the side 501 of binding clip two sides, and two The intersection point of side binding clip, within the scope of 45 degree of the center line two sides of the slot of clamping Kirschner wire, the other side of the binding clip, which is used as, is led It links between the connector 601 of bar 502, guide rod 502 and shifting block 6.It is exactly guide rod 502 and side due to the intersection point of two sides binding clip The intersection point of binding clip 501 in the case where being located within the scope of 45 degree of the center line two sides of the slot of clamping Kirschner wire, and clamps Kirschner wire Slot center line, refer to that the axis of clamped Kirschner wire, such binding clip are just substantially arranged along the direction that Kirschner wire stretches out, make Used time pedestal 5 and the position of human contact are just small, enable the surgeon to deeply to cut the end of orthopedic kirschner pin bending machine The edge of a knife, by Kirschner wire bending, for this point, the intersection point of two sides binding clip, on the center line of the slot of clamping Kirschner wire more It is good.

The orthopedic kirschner pin bending machine, the intersection point of the two sides binding clip are articulated shaft A331, the guide rod 502 with dial It links between the connector 601 of block 6, is that 502 end of guide rod and connector 601 are hinged, guide rod is flexible guide rod 5020, with cooperation Shifting block 6 rotates.Since the intersection point of two sides binding clip is articulated shaft A331, and bending Kirschner wire in the state of rotation of shifting block 6, connection Part 601 changes in the state that shifting block 6 rotates at a distance from binding clip articulated shaft A331, and the guide rod 5020 that stretches is exactly to adapt to The variation of the distance.

The orthopedic kirschner pin bending machine, the guide rod are flexible guide rod, and guide rod is two sections, are passed through between two sections of guide rods Slide bar is set in sliding sleeve 5021 constitutes flexible slide bar 5022.It can be hinged with binding clip articulated shaft in this way, setting 5021 sections of sliding sleeve of guide rod Such as Figure 54, one end of the sliding sleeve 5021 of the stretching of slide bar 5022 at this time and the connector 601 of shifting block 6 are hinged；Effect after the two is exchanged Equally.

The orthopedic kirschner pin bending machine, the intersection point of the two sides binding clip are slide block mechanism, the guide rod 502 and shifting block It links between 6 connector 601, is that 502 end of guide rod and the connector 601 are hinged by articulated shaft 332.Not due to guide rod 502 Flexible takes guide rod 502 and 501 crossover sites of binding clip side, that is, the intersection point position of two sides binding clip, takes guide rod 502 slide block mechanisms for not only having slided but also having rotated relative to binding clip side 501, to cooperate the connector 601 and binding clip articulated shaft of shifting block 6 Distance shifting block 6 rotate in the state of change.

The orthopedic kirschner pin bending machine, the slide block mechanism are the sliding block machine of cooperation pin 331 in strip groove 5024 Structure.Strip groove 5024 is arranged on guide rod 502 in Figure 55, and pin 331 is arranged on binding clip side 501, and pin 331 is exactly aforementioned Articulated shaft A331.

The orthopedic kirschner pin bending machine, the slide block mechanism set supported hole 5025 for binding clip side 501, and support is led Bar 502 slides while rotation in supported hole 5025.The cross section of supported hole 5025 is kidney slot in Figure 56, kidney slot Eel-like figure position support guide rod 502, gradually broadening position is suitble to guide rod 502 to rotate, and the cross section of certain supported hole may be Horn-like hole.

The orthopedic kirschner pin bending machine, the intersection point of the two sides binding clip are that articulated shaft A331 is hinged, the guide rod 502 It links between the connector 601 of shifting block 6,502 end of guide rod is that slide block mechanism is connect with the connector 601.Not due to guide rod Flexible takes guide rod relative to the slide block mechanism for not only having slided but also having rotated between the connector of shifting block 6, to cooperate the company of shifting block 6 Fitting changes in the state that shifting block 6 rotates at a distance from binding clip articulated shaft.

The orthopedic kirschner pin bending machine, the slide block mechanism are the sliding block machine of cooperation pin 332 in strip groove 5023 Structure.Strip groove is arranged on guide rod in Figure 57, and pin is arranged on connector；Certainly, supported hole, support guide rod are set on connector Sliding can also be with pin 332 is exactly aforementioned hinge axis 332 while rotation in supported hole.

The reinforcement between pedestal and binding clip is arranged in orthopedic kirschner pin bending machine described in Figure 57, the other side of the pedestal 5 Bar 503.In this way, the side being solidified as a whole in binding clip two sides with pedestal can save some materials.

Orthopedic kirschner pin bending machine as described in Figure 58, the block (19) form the plane of the slot of clamping Kirschner wire (1991), if threaded hole perpendicular to the plane, threaded rod (1992) are matched in threaded hole, threaded rod (1992) and plane (1991) consistent end face, for clamping Kirschner wire.When the width that block (19) form the slot of clamping Kirschner wire is greater than Kirschner wire Diameter, rotating threaded rod (1992) rotation can clamp Kirschner wire with threaded rod (1992) and plane (1991) consistent end face.

A kind of orthopedic kirschner pin bending machine, molding pellet 1 be fixed on pedestal 5, pedestal 5 be equipped with block 19, block 19 with Pellet 1 constitutes the slot of clamping Kirschner wire, and for the shifting block 6 being rotatablely connected with pedestal 5 for stirring Kirschner wire, shifting block 6 stirs Kirschner wire When the salient angle 69 that is contacted with Kirschner wire to roll over Kirschner wire be U-shaped curved.

The block 19 is active block stop, and active block stop is mobile to clamp Kirschner wire to pellet 1.

The active block stop is mobile to pellet 1, is that active block stop interval fixed range is mobile to pellet 1.

Active block stop interval fixed range is mobile to pellet 1, and active block stop and 5 guideway of pedestal cooperate, active catch Block be resisted against interval fixed range change on block；Or interval fixed range change against block as active block stop.

The interval fixed range change against block, the fixed block of pedestal 5, side of the block towards pellet 1, insert pad is solid Determine the gasket of thickness, constitute that interval fixed range changes against block.The gasket of different-thickness and different numbers, so that active catch Block be spaced between pellet 1 at a distance from it is different, as active block stop interval fixed range is mobile to pellet 1.Such as Figure 47 active catch Block 1901 and the sliding slot 1902 of pedestal 5 are slidably matched, and two are clamped between 1901 tail end of block 1903 and active block stop The gasket 1904 of 0.5mm thickness forms the slot of 2mm clamping Kirschner wire, if removing one between active block stop 1901 and pellet 1 The gasket 1904 of 0.5mm thickness, then the slot of 2.5mm clamping Kirschner wire is formed between active block stop 1901 and pellet 1, with such It pushes away, forms the slot of interval fixed range clamping Kirschner wire；Remove the sliding slot 1902 of active block stop 1901 Yu pedestal 5, two 0.5mm Thick gasket 1904 and mobile to pellet 1 against block 1903, makes to form 2mm clamping Kirschner wire between gasket 1904 and pellet 1 Slot, equally can be realized.

The interval fixed range change against block, 5 bolt of pedestal cooperates polygon pin, the polygon pin Pin head is that pin is against block, and the distance of pin head side to pin central axis is different, constitutes interval fixed range and changes Against block.In this way, extracting polygon pin, convert different pin head sides, as active block stop interval fixed range to Pellet 1 is mobile.Such case, in general, the section of pin is regular polygon, such as Figure 48,49, active block stop 1901 and pedestal 5 sliding slot 1902 is slidably matched, and pin 1905 is square, and pin head 1906 is rectangle against block, and four of pin head 1906 The distance of axis of side to pin 1905 differs 0.5mm respectively, four sides of pin head 1906 respectively with active block stop 1901 against making active block stop 1901 be spaced fixed range mobile to pellet 1；But the section of pin be rectangle when, pin head When being also rectangle, the distance in rectangular pin column cap opposite sides face to rectangle pin central axis is different, converts opposite flank, same structure At interval fixed range change against block.Such as Figure 50, remove the sliding slot 1902 of active block stop 1901 Yu pedestal 5, pin head 1906 sides directly form the slot of interval fixed range clamping Kirschner wire with pellet 1.

Such as Figure 51,52, the interval fixed range change against block, 5 bolt of pedestal cooperates straight pin 19051, described The pin head of straight pin 19051 is active block stop, active block stop, that is, at least two side of pin head, and active block stop is square in figure The distance of shape column 19011, transverse ends side to pin central axis is different, constitutes the active block stop that interval fixed range changes, The confined planes 19021 of one with the cooperation of active block stop side, the confined planes 19021 and straight pin 19051 are at least set on pedestal 5 It is positioned in conjunction with to active block stop, positioning is exactly to prevent active block stop from rotating.

Fixed 1907 one end of movable axis of the polygon pin tail end, 1907 other end fixed spring baffle of movable axis 1908, reset spring 1909 is set between spring stop 1908 and pedestal 5.Such as Figure 48,49, spring stop 1908, pin head are pressed 1906 can change not ipsilateral and 1901 tail end of active block stop against.Reset spring 1909 is helical spring in figure, uses spring Piece is good, and purpose is exactly the reset of pin.

The stress point for stirring shifting block 6 is in 6 outside of shifting block.It can reduce in this way and stir power, and stress point can be made The positive outside of the stress point of close shifting block 6, so that stress equalization when stirring, in addition 6 stress point of shifting block is connected thereto between bar Slot, the exterior arc surface of the slot Holding seat 5, so that stress is more balanced when stirring.Guide rod 9 is located in the interlayer of pedestal 5, and makes Stress is more balanced when must stir.

The orthopedic kirschner pin bending machine, the active block stop link with the shaft being arranged on pedestal 5.

The active block stop links with the shaft being arranged on pedestal 5, and active block stop and shaft constitute slider-crank mechanism.

Active block stop as described in Figure 39 and shaft constitute slider-crank mechanism, and pedestal 5 is equipped with axis hole 2, is equipped with and turns in axis hole 2 Axis 3, shaft 3 stretch out axis hole and constitute limited post 4, and limited post 4 and molding pellet 1 jointly position Kirschner wire, and shaft 3 passes through connection Part 31 fixes shifting block 6；The shaft 3, connector 31 and shifting block 6 constitute rotatable parts；The block 191 is placed in loose slot 195 In, limited post 4 is cam, and block 191 connect linkage with the cam of shaft 3.

Active block stop and shaft constitute slider-crank mechanism, active block stop 193 and the cunning being placed on pedestal 5 as described in Figure 44 196 one end of compressed spring connection in slot 194, the binding clip side of the pedestal 5 and binding clip are solidified as a whole, and binding clip main shaft 33 is set Cam 197 is set, active block stop 193 is linked by the cam 197 of compressed spring 196 and main shaft 33.Cam compressed spring 196 is pressed Contracting, compressed spring 196 are the very big spring of intensity, and 196 elastic force of compressed spring makes active block stop 193 compress Kirschner wire.

Active block stop and the shaft being arranged on pedestal (5) link as described in Figure 45, and active block stop is elastic component 198, bullet Property part 198 support lever constituted by supporting element 199, be curved elastic strip in elastic component 198(figure) one end and pellet 1 press from both sides The other end that briquetting 331 presses elastic component 198 is arranged in tight Kirschner wire, binding clip main shaft 33.Briquetting 331 presses elastic component 198 The other end of one end, elastic component 198 just compresses Kirschner wire as seesaw tilts.

Reset spring 1981 is arranged in pedestal 5 as described in Figure 46, resets for elastic component 198.Locating part is arranged in the pedestal 5 1982, prevent elastic component 198 from deviating from.

Such as Figure 42, a kind of 43 orthopedic kirschner pin bending machines, forming pellet 1 and be fixed on pedestal 5, pedestal 5 is equipped with block 19, Block 19 and pellet 1 constitute the slot of clamping Kirschner wire, and the shifting block 6 being rotatablely connected with pedestal 5 for stirring Kirschner wire, dial by shifting block 6 It is U-shaped curved that the salient angle 69 contacted when dynamic Kirschner wire with Kirschner wire, which rolls over Kirschner wire,.It limits in this way, so that shifting block 6 connects with Kirschner wire The interconnecting piece in two faces of the face of touching not instead of only one plane, side and lower section either two faces of side and lower section Position, can guarantee that shifting block 6 rotates less than 180 degree in this way, it will be able to by Kirschner wire roll over for u-shaped it is curved；The angle of salient angle 69, with shifting block The position of 6 shafts is related；It is exactly structure if Kirschner wire disengaging is contacted with salient angle during shifting block 6 stirs Kirschner wire Contacted at the surface of the lower section of salient angle 69 with Kirschner wire, by Kirschner wire roll over for u-shaped it is curved.

The direction of salient angle 69 is obliquely downward, and salient angle 69 is arcuation, and arcuation is arc-shaped, and salient angle 69 is horn shape.

A kind of orthopedic kirschner pin bending machine, molding pellet 1 be fixed on pedestal 5, pedestal 5 be equipped with block 19, block 19 with Pellet 1 constitutes the slot of clamping Kirschner wire, and the shifting block 6 being rotatablely connected with pedestal 5 is for stirring Kirschner wire, and shifting block 6 is in the process of stirring In, shifting block 6 is contacted there are two face with Kirschner wire, and it is U-shaped curved that Kirschner wire, which is rolled over,.

The pedestal 5 is equipped with block 19, consolidates block 19 for pedestal 5.

The shifting block 6 being rotatablely connected with pedestal 5 sets axis 39 for stirring Kirschner wire, for 5 back side of pedestal, solid with shifting block 6 Fixed connector 31 is socketed on axis 39,.

The binding clip side of the pedestal 5 and binding clip is solidified as a whole, the other side of the binding clip as guide rod 9, guide rod 9 with It links between connector 31.

It links between the guide rod 9 and connector 31, is connected between guide rod 9 and connector 31 by connecting rod 38, constituted Link mechanism.

The link mechanism, the length of guide rod 9 are greater than the length of connector 31.When guide rod 9 rotates in this way, 31 turns of connector Dynamic angle is greater than the angle that guide rod 9 rotates.

The pedestal 5 is separately connected handle with guide rod 9.

As shown in Figure 1, Figure 2 and Figure 3, molding pellet 1 is fixed on pedestal 5, and pedestal 5 is equipped with axis hole 2, is equipped in axis hole 2 Shaft 3, shaft 3 stretch out axis hole and constitute limited post 4, and limited post 4 and molding pellet 1 jointly position Kirschner wire 119, and shaft 3 is logical Cross the fixed shifting block 6 of connector 31 rotates shaft 3, shifting block 6 in this way, molding pellet 1 limits Kirschner wire 119 with limited post 4 It stirs Kirschner wire 119 and is coiled into core block 1 and be formed by bending hook-shaped elbow.

It does not slip, can be contacted on shifting block 6 with Kirschner wire 119 during in order to make shifting block 6 stir Kirschner wire 119 Arc groove 61 is arranged in position, and the setting position of arc groove 61, can also as shown in figure 4, slip Kirschner wire 119 with shifting block 6 With the position contacted on limited post 4 with Kirschner wire 119, annular groove 41 is set, the setting position of sliding slot 41 is as shown in Figure 5 and Figure 6, So that Kirschner wire 119 is not slipped with limited post 4；Certainly, although that Kirschner wire 119 can be made to be formed by bending is hook-shaped for such case, It is that rotate shaft 3 relatively difficult.

In order to be easy rotating shaft 3, needs to provide torque for shaft 3, and shaft 3 is rotated more than 90 degree, be This, the binding clip side of the pedestal 5 and binding clip is solidified as a whole, and the other side of binding clip is that shaft 3 provides torque by binding clip folding, But the maximum angle of binding clip folding is generally 45 degree, to make the rotation of shaft 3 more than 90 degree it is necessary in the main shaft 33 of binding clip and Speeder (namely deceleration device) is set between shaft 3, such as fixes the sector gear at 45 degree of angles in main shaft 33, is being turned The sector gear of the fixed an angle of 90 degrees of axis 3, two sector gears are at a fully engaged, and main shaft 33 is made to rotate 45 degree of drive shaft 3 rotations 90 degree, it will be able to realize；Certainly, sector gear is also possible to complete gear wheel, is not shown in such case figure.

As shown in fig. 7, guide rod 9 is arranged in the main shaft 33 in binding clip, the other side of exactly aforementioned binding clip is (with link mechanism Sliding block is the same), setting sliding block 10 is as the sliding block of link mechanism on guide rod 9, and sliding block 10 can be slided along guide rod 9, and shaft 3 is set Crank 11 is set, crank 11 is connect with sliding block 10, constitutes crank guide rod mechanism, and 9 length of guide rod is greater than 11 length of crank, energy at this time The movable length for limiting sliding block 10 makes the rotational angle of crank 11 be less than 180 degree, crank 11 and 9 synchronous hunting of guide rod, only bent 11 swing angle of handle is greater than 9 swing angle of guide rod, adjusts the ratio of crank 11 and 9 length of guide rod, is suitble to the folding angle of binding clip It can be achieved with 90 ° of crank-swinging；This embodiment makees following changes, sliding block 10 is arranged on crank 11, sliding block 10 is along crank 11 Sliding, guide rod 9 is connect with sliding block, since crank 11 is shorter, as shown in figure 8, equally reaching crank 11 and 9 synchronous hunting of guide rod Purpose；Another situation, as shown in figure 9, two sliding blocks 10 that can be rotated between each other are same on crank 11 and guide rod 9 simultaneously When slide, can also achieve the purpose that crank 11 and 9 synchronous hunting of guide rod, specifically just select on guide rod 9 setting slider I 101, crank Upper setting sliding block II 102 is rotatablely connected between slider I 101 and sliding block II 102 by axis 103；As long as in fact crank 11 with It links between guide rod 9, crank 11 and 9 synchronous hunting of guide rod can be made；The component of linkage is not limited to sliding block 10 etc., above-mentioned linkage Form is equally reached with the form that straight pin cooperates with slot.

The form of the straight pin and slot cooperation are as follows: to set hangers shape slot 111 on crank 11, guide rod 9 sets straight pin 91, Straight pin 91 and hangers shape slot 111 mount.

The binding clip side being solidified as a whole with pedestal 5, with the hand handle 81 of the side binding clip one and the angle on 5 bottom edge of pedestal A is 0-180 degree.

The hand handle 81 of the side binding clip and the angle a on 5 bottom edge of pedestal are 90-180 degree.In this way, the tiger's jaw of hand resists and pedestal 5 Fixed handle 81, four refer to carry handle 82, so that pedestal 5 is stablized in bending process, more meet the human body work of holding state It learns.

It links between the shaft and handle 82 of the guide rod 9.

It links between the shaft and handle 82 of the guide rod 9, is setting between the shaft of guide rod 9 and the shaft of handle 82 Meshed gears 91,92.The gear is sector gear.Equally, the tiger's jaw of hand resists the handle 81 fixed with pedestal 5, and four refer to Carry handle 82 more meets the ergonomics of holding state so that pedestal 5 is stablized in bending process.Sector gear is saved empty Between.

Above-mentioned guide rod 9 is set as bending, is conducive to firmly big when bending, state firmly small when reset.

As shown in figure 5, reset spring 100 can be set between the handle 8 of binding clip.

In use, binding clip handle 8 of holding with a firm grip, binding clip closure, guide rod 9 is rotated up, straight pin 91 drive hangers shape slot 111 to Upper rotation, as shown in Figure 10, thus drive shifting block 6 rotate, shifting block 6 stir Kirschner wire 119 be coiled into core block 1 be formed by bending it is hook-shaped Elbow, as shown in figure 11；Binding clip handle 8 is unclamped, the reset spring 100 between handle 8 opens handle 8, and binding clip opens, guide rod 9 rotate down, and straight pin 91 drives hangers shape slot 111 to rotate down, so that shifting block 6 be driven to reset.

The inside of above-mentioned two handle of binding clip forms jaw 14.The jaw can cut longer Kirschner wire, conveniently make With achieving the purpose that multiple use.

If the handle outside of the above-mentioned binding clip connecting with pedestal of Figure 12 is provided with measurement item 7, measurement item 7 is movably arranged on handle On hand, and on handle it is provided with the groove 12 to match with measurement item 7, is additionally provided with the pin hole to match with jaw 14 on handle 13.The length for measuring item is identical as the length that Kirschner wire needs dogleg section, when in use, Kirschner wire is pierced by from pin hole, Measurement item resists the skin of people, and reserved Kirschner wire length in this way is consistent with the length of dogleg section is needed, and stretches out the portion of pin hole Divide and is cut by jaw.

The central axis of above-mentioned hangers shape slot 111 is straight line, as shown in figure 13.The hangers shape slot 111 as shown in Figure 14, Figure 15 Central axis can also be camber line or broken line.The hangers shape slot of different structure can be realized the purpose used, in reality In production process, the hangers shape slot for being made into various structures can according to need.

As shown in Figure 17, Figure 18, Figure 19 and Figure 20, it is provided with shaft position-limit mechanism between rotatable parts and pedestal 5, is used for Prevent shaft from deviating from.

As shown in figure 17, shaft position-limit mechanism, which refers to, is provided with card slot on the spindle portion for stretching out axis hole, setting in card slot There is the circlip 15 for blocking shaft.

As shown in figure 18, shaft position-limit mechanism, which refers to be provided on the shifting blocks 6 of rotatable parts, blocks the recessed of 5 edge of pedestal Slot, and the face that pedestal is contacted with groove is arcwall face.

As shown in figure 19, shaft position-limit mechanism, which refers to, is provided with "T"-shaped convex block 16 on the connector of rotatable parts, on pedestal It is provided with the "T"-shaped slot to match with "T"-shaped convex block 16.

As shown in figure 20, position-limit mechanism, which refers to, is provided with convex block 17 on the shifting block of rotatable parts, be provided with and be somebody's turn to do on pedestal 5 The groove that convex block 17 matches.

As shown in figure 17, the line between the center of the main shaft of binding clip and the end for the binding clip handle being connected with pedestal, Minimum angle a between the line and pedestal lower end surface is 0o-50o, to adapt in differing tilt angles Kirschner wire bending.

As shown in figure 21 and figure, side plane 18 is provided on limited post, the side plane 18 is when shifting block is stirred for pressing Tight Kirschner wire, shifting block rotate the angle of very little, it will be able to cylindrical surface be made to compress Kirschner wire；Side plane 18 stirs face 19 with shifting block Original state can be parallel, can also be not parallel with you, and stirring face 61 can be face, is also possible to line.

The block 191 is active block stop, and block 191 and shaft 3 link.

The block 191 is placed in loose slot 195, and limited post 4 is cam, and block 191 connect connection with the cam of shaft 3 It is dynamic.

The limited post 4 as described in Figure 39-41 is cam 41, sets side plane 18 for limited post 4.Certainly, block 191 and cam or The face that limited post 4 contacts can be plane, be easiest to process in this way, in order to preferably clamp Kirschner wire, or other shapes Shape, cam may be other shapes, as long as more preferably clamping Kirschner wire.

When work, shifting block rotates the angle of very little, it will be able to limited post 4 be made to switch to cylindrical surface compressing block from side plane 18 191 move along loose slot, and Kirschner wire is clamped in its clamping slot, and clamp from root, and shifting block continues to stir, by Kirschner wire Bending be it is U-shaped, limiting component is set between block 191 and slot 195, anti-stop block 191 skids off.

The block 191 is placed in loose slot, and crank, block 191 and 3 crankshaft of shaft are set between limited post 4 and block 191 Connection linkage.

Side plane 18 is less than the distance in 41 bottom of annular groove to limited post axle center to the distance in limited post axle center.On the upside of limited post When plane is in initial position, Kirschner wire is placed between limited post and molding pellet, rotating shaft, annular groove general gram on limited post Family name's needle limit, prevent Kirschner wire from deviating from, when side plane to limited post axle center distance be less than annular groove bottom to limited post axle center away from From when, Kirschner wire can be compressed.

5 fixed stop 19 of pedestal, the block 19 are located at around axis hole 2.

The block 191 is opposite with pellet 1, and block 191 is used for fixation Kel's needle when bending.This is because fixed gram of bending When family name's needle, limited post 4 compresses Kirschner wire when rotating, but contact surface is small when the compression Kirschner wire of limited post 4, hanging below contact surface, Kirschner wire is easy to go out to tilt hanging, influences bending, and setting block 191 is Kirschner wire tilting in order to prevent.

The block 192 is that pedestal 5 is stretched out in 2 inner surface of the axis hole face opposite with pellet 1, and block 192 is used to support when bending Anti- limited post 4.When limited post 4 compresses Kirschner wire bending, Kirschner wire has active force to limited post 4, since limited post 4 is thinner, If the strength of materials is inadequate, it is easy to appear deformation or fracture, block 192 applies resistance to limited post 4, so that limited post 4 bear pressure.

Claims

1. a kind of orthopedic kirschner pin bending machine, it is characterised in that: molding pellet (1) is fixed on pedestal (5), and pedestal (5) is limited Position column (4), limited post (4) and molding pellet (1) jointly position Kirschner wire, and shifting block (6) is rotatablely connected by connector (31) On pedestal (5)；The salient angle that shifting block (6) contacts when stirring Kirschner wire with Kirschner wire is by Kirschner wire bending；It is described to be connect with Kirschner wire The salient angle (69) of touching and molding pellet (1) form cutout.

2. orthopedic kirschner pin bending machine according to claim 1, it is characterised in that: the shifting block (6) passes through connector (31) it is rotatably connected on pedestal (5), is rotatablely connected between shifting block (6) and pedestal (5) for fixing axle and axle sleeve.

3. orthopedic kirschner pin bending machine according to claim 2, it is characterised in that: set rolling between the fixing axle and axle sleeve Pearl, needle roller or bearing.

4. orthopedic kirschner pin bending machine according to claim 3, it is characterised in that: the limited post (4) is block (19), Pedestal (5) is connect with block (19) by connecting rod.

5. orthopedic kirschner pin bending machine according to claim 4, it is characterised in that: the bending machine is substantially in pliers shape Shape, pedestal (5) and the binding clip side of pliers are solidified as a whole, and as guide rod (9), guide rod (9) connects second-hand for the other side of binding clip Handle (82), connecting rod connect clamping lever (87)；Pedestal (5) connects first handle (81).

6. orthopedic kirschner pin bending machine according to claim 1 or 2, it is characterised in that: the molding pellet (1) is fixed on On pedestal (5), pedestal (5) is equipped with axis hole (2), is equipped with shaft (3) in axis hole (2), and shaft (3) stretches out axis hole and constitutes limited post (4), limited post (4) and molding pellet (1) jointly position Kirschner wire, and shaft (3) is fixed shifting block (6) by connector (31)； The shaft (3), connector (31) and shifting block (6) constitute rotatable parts.