CN104758045B - Elastic piece damping type dual-ring odontoid sighting device - Google Patents

Elastic piece damping type dual-ring odontoid sighting device Download PDF

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Publication number
CN104758045B
CN104758045B CN201510174301.0A CN201510174301A CN104758045B CN 104758045 B CN104758045 B CN 104758045B CN 201510174301 A CN201510174301 A CN 201510174301A CN 104758045 B CN104758045 B CN 104758045B
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CN
China
Prior art keywords
semiaxis
inner sleeve
trocar sheath
sighting device
odontoid
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Expired - Fee Related
Application number
CN201510174301.0A
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Chinese (zh)
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CN104758045A (en
Inventor
杨墨松
黄凯
陈军
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Yang Mosong
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Individual
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Priority to CN201510174301.0A priority Critical patent/CN104758045B/en
Priority to CN201611085053.3A priority patent/CN106344143B/en
Publication of CN104758045A publication Critical patent/CN104758045A/en
Application granted granted Critical
Publication of CN104758045B publication Critical patent/CN104758045B/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/90—Guides therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
    • A61B2017/00398—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B2017/564—Methods for bone or joint treatment

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

Abstract

The invention relates to a medical instrument, in particular to a elastic piece damping type dual-ring odontoid sighting device used for leading a hollow screw to be located in odontoid fracture treatment. The elastic piece damping type dual-ring odontoid sighting device comprises a hollow guide tube and a sighting device body connected to the hollow guide tube. The sighting device body comprises an inner lantern ring and an outer lantern ring which are concentrically arranged, the inner lantern ring, the outer lantern ring and the hollow guide tube are connected through crossed rotating shafts, and each rotating shaft is formed by being provided with an inner sleeve rod and an outer sleeve tube in a sleeving mode, wherein the inner sleeve rod and the outer sleeve tube can be rotated relatively and are concentrically arranged. The sighting device is simple in structure, convenient to use, accurate and quick in locating and can be used for leading a kirschner wire to be accurately located in odontoid fracture treatment, thereby improving operation quality, reducing operation errors and alleviating pains of a patient.

Description

The bicyclic pivot of shell fragment damp type bores Odontoid process sight
Technical field
The present invention relates to a kind of medical apparatus and instruments, guide hollow in specifically a kind for the treatment of for fracture of odontoid process of vertebra dentata The shell fragment damp type bicyclic pivot cone Odontoid process sight of screw positioning.
Background technology
Fracture of odontoid process of vertebra dentata is the common fracture of cervical vertebra, accounts for the 10%～14% of fracture of cervical vertebra.Untreated or treatment are not When the odontoid fracture disunion rate causing is 42-72%, and to there is potential atlanto-axial instability fixed simultaneously, may lead to brain stem, Spinal cord or the acute or chronic damage of nerve root, cause serious quadriplegia, respiratory dysfunction, or even dead.Therefore to pivot The patient of vertebra odontoid fracture answers active treatment.Adopt the direct treatment of internal fixation of odontoid fracture of screw from reported first in 1981 Since, clinical practice it has proven convenient that compared with traditional Therapeutic Method, this technology not only can rebuild the stability of articulatio atlantoepistrophica, The activeness of articulatio atlantoepistrophica can also be retained to greatest extent, operation wound is little, union of fracture rate is high, and is obviously improved minimal invasive treatment Quality is it is believed that this technology is the first-selection of odontoid fracture operative treatment.Although anterior screw treatment of internal fixation of odontoid fracture Curative effect is clinically affirmed, but in the past due to mainly operating by rule of thumb, guiding Kirschner wire needs repeatedly to adjust, operation Randomness is greatly in some instances it may even be possible to produce serious complication, including screw extraction, displacement fracture, nonunion or screw tapping Odontoid process and injure spinal cord etc..Chinese patent 2012102768399 discloses a kind of " axis odontoid screw sight ", and it is adopted Adjust two shrinking connecting-rods being arranged on hollow guiding pipe with nut thus changing the sensing of hollow guiding pipe, two shrinking connecting-rods It is connected on vernier control plate, vernier control plate is connected with support bar by ball-joint.This axis odontoid screw sight Can be used for guiding Kirschner wire in fracture of odontoid process of vertebra dentata treatment to be accurately positioned, thus improving surgical quality, reducing surgical error, Reduce the misery of patient.But in operation process, due to needing the position adjusting numerous, and adjust each point of adjustment and mutually close Connection, generally requires repeatedly to adjust and can be only achieved requirement, affects operation progress.In addition, the length of the shrinking connecting-rod of nut regulation is difficult Measured with accurate, the position that shrinking connecting-rod is connected on vernier control plate does not know yet, this axis odontoid screw sight Can not with coordinate data record position it is impossible to before repetition perform the operation in positioning.
Content of the invention
It is an object of the invention to provide a kind of structure is simple, easy to use, fast, the available coordinate representation position of governing speed The bicyclic pivot of shell fragment damp type bores Odontoid process sight, is accurately positioned for guiding Kirschner wire in fracture of odontoid process of vertebra dentata treatment, from And improve surgical quality, reduce surgical error, reduce the misery of patient.
The present invention be the technical scheme is that by solving technical problem
Shell fragment damp type of the present invention bicyclic pivot cone Odontoid process sight includes hollow guiding pipe and is connected to sky Sighting device on heart guide pipe, described sighting device includes the inner sleeve being arranged concentrically and outer sleeve, arranges on outer sleeve Connecting plate and connecting seat, the external diameter of described inner sleeve is less than the internal diameter of outer sleeve, and the external diameter of described hollow guiding pipe is less than inner sleeve The internal diameter of ring, is symmetrically arranged with left half axle and right axle shaft, a described left side between the outer wall of hollow guiding pipe and the inner ring surface of inner sleeve Semiaxis and right axle shaft be coaxially disposed and left half axle and right axle shaft the center of circle by inner sleeve for the axis；The outer shroud of described inner sleeve It is provided with semiaxis and lower semiaxis, described upper semiaxis and lower semiaxis are coaxially disposed and upper half between face and the inner ring surface of outer sleeve The center of circle by inner sleeve for the axis of axle and lower semiaxis；The axis of upper semiaxis and lower semiaxis is hung down with the axis of left half axle and right axle shaft Directly；Described upper semiaxis, lower semiaxis, left half axle and right axle shaft are by can rotate against and the interior loop bar that is coaxially disposed and overcoat pipe box Dress forms；One end of described interior loop bar is fixedly connected on inner sleeve and is connected with the tube chamber of inner sleeve, the other end of interior loop bar It is fixedly connected with the axostylus axostyle in overcoat tube cavity, the stage casing of described axostylus axostyle is provided with the annular groove that section is u shape, described trocar sheath One end be fixedly connected on hollow guiding pipe or outer sleeve, the other end of trocar sheath is sleeved on axostylus axostyle, trocar sheath interior Wall is provided with the annular groove corresponding to annular groove on axostylus axostyle；The bottom of described annular groove carries runs through the logical of overcoat tube wall Hole, is fitted with connecting rod in described through hole, the inner of described connecting rod is fixedly connected with the arcuate friction piece of coupling annular groove, described arc Friction plate generally arc, its section is the u shape structure of coupling annular groove；The outer end of connecting rod is fixedly connected on the stage casing of spring leaf, The two ends of described spring leaf are connected on the outer wall of trocar sheath by bearing respectively.
The scale representing relative position is provided with the outer tube wall of described interior loop bar and trocar sheath joining place；Described spring leaf For arc thin slice, spring medium film section, the another side corresponding to rod connection point are fixedly connected with drawing handle.
After technique scheme, this sight adjusts the sensing of guide pipe, structure letter by dicyclic sighting device Single, easy to use, governing speed soon and can use coordinate representation position, and the convenient quantitative details recording operation technique, using coordinate The repeatable positioning reproducing in operation；So that positioning Kirschner wire is predominantly located in guider using hollow guide device, be easy to control Direction, it is to avoid it bends and causes the suitable illusion of inserting needle；Using the frictional force fixation hollow guider of spring leaf, location action Hurry up, fixing reliable, after being accurately positioned and positioning, position is fixed, and decreases inserting needle repeatedly, improves the accuracy of screw entrance；No Need fixing nail is implanted on Cervical vertebra and fixing connecting rod is firmly secured to operation table, fixing reliable.
Brief description
Fig. 1 is the positive structure schematic of one embodiment of the invention.
Fig. 2 is the cross section structure diagram of upper semiaxis.
Fig. 3 is a portion close-up schematic view of Fig. 2.
Specific embodiment
As shown in figure 1, shell fragment damp type of the present invention bicyclic pivot cone Odontoid process sight include hollow guiding pipe 1 and It is connected to the sighting device on hollow guiding pipe 1, described sighting device includes the inner sleeve 2 being arranged concentrically and outer sleeve 3, described The external diameter of inner sleeve 2 is less than the internal diameter of outer sleeve 3, and the external diameter of described hollow guiding pipe 1 is less than the internal diameter of inner sleeve 2, hollow leads It is symmetrically arranged with left half axle 5 and right axle shaft, described left half axle 5 and right axle shaft between the outer wall and the inner ring surface of inner sleeve 2 of pipe 1 Be coaxially disposed and left half axle 5 and right axle shaft axis by the center of circle of inner sleeve 2；The outer ring surface of described inner sleeve 2 and overcoat It is provided with semiaxis 6 and lower semiaxis 7, described upper semiaxis 6 and lower semiaxis 7 are coaxially disposed and upper semiaxis 6 between the inner ring surface of ring 3 Pass through the center of circle of inner sleeve 2 with the axis of lower semiaxis 7；The axis of upper semiaxis 6 and lower semiaxis 7 and the axle of left half axle 5 and right axle shaft Line is vertical；Described upper semiaxis 6, lower semiaxis 7, left half axle 5 and right axle shaft are by interior loop bar 8 and that can rotate against and be coaxially disposed Trocar sheath 9 suit forms.
During use, hollow guiding pipe 1 can be swung up and down centered on left half axle 5 and right axle shaft on inner sleeve 2, inner sleeve Can swing centered on ring more than 2 semiaxis 6 and lower semiaxis 7, thus can realize the comprehensive guiding of hollow guiding pipe 1 Setting.
Certainly, use for convenience, connecting plate 10 and connecting seat 11 can also be arranged on outer sleeve 3, connect for fixing It is connected on various supports.
Upper semiaxis 6, lower semiaxis 7, left half axle 5 are identical with the structure of right axle shaft, as a example above semiaxis 6, as shown in Fig. 2 institute The one end stating interior loop bar 8 is fixedly connected on inner sleeve 2 and is connected with the tube chamber of inner sleeve 2, and the other end of interior loop bar 8 is fixing even It is connected to the axostylus axostyle 81 in trocar sheath 9 inner chamber, the stage casing of described axostylus axostyle 81 is provided with the annular groove that section is u shape, described trocar sheath 9 One end be fixedly connected on hollow guiding pipe 1 or outer sleeve 3, the other end of trocar sheath 9 is sleeved on axostylus axostyle 81, trocar sheath 9 inwall is provided with the annular groove 91 corresponding to annular groove on axostylus axostyle 81；The bottom of described annular groove 91 carries runs through overcoat The through hole of pipe 9 tube wall, is fitted with connecting rod 92 in described through hole, the inner of described connecting rod 92 is fixedly connected with the arc of coupling annular groove Friction plate 93, this arcuate friction piece 93 generally arc, its section is the u shape structure of coupling annular groove.The outer end of connecting rod 92 is fixed It is connected to the stage casing of spring leaf 94, the two ends of described spring leaf 94 are connected to by bearing on the outer wall of trocar sheath 9 respectively.As figure Shown in 2 left sides, when spring leaf 94 is pressed, trocar sheath 9 is pressed close in the stage casing of spring leaf 94, and connecting rod 92 inwardly pushes, will Arcuate friction piece 93 is pressed against in the annular groove in axostylus axostyle 81 stage casing, and the frictional force that in increase, loop bar 8 is rotated against with trocar sheath 9 makes Hollow guiding pipe 1 after positioning is not easy to loosen.Conversely, as on the right side of Fig. 2 and Fig. 3 shown in, when spring leaf 94 is pulled out, The stage casing of spring leaf 94 outwards pushes away from trocar sheath 9, connecting rod 92, and arcuate friction piece 93 leaves the ring of annular groove setback trocar sheath 9 In connected in star 91, now, interior loop bar 8 and trocar sheath 9 are freely rotatable it is possible to extract interior loop bar 8 from trocar sheath 9, just In maintaining.
The scale representing relative position is provided with the outer tube wall of described interior loop bar 8 and trocar sheath 9 joining place.Hollow guiding After the sensing position of pipe 1 is fixing, records the interior loop bar 8 on each semiaxis and angle that trocar sheath 9 rotates against can determine that sky The position coordinateses of heart guide pipe 1.Described spring leaf 94 is arc thin slice, spring leaf 94 stage casing, corresponding to connecting rod 92 junction point Another side is fixedly connected with drawing handle 95, and both can be pressed spring leaf 94 by handle 95 makes its stage casing press close to trocar sheath 9, Spring leaf 94 can also be pulled out so as to stage casing is away from trocar sheath 9.
During use, make patient lies supine position, after keeping neck, stretch position；Continue skull traction under c shape arm x line machine just, side position picture see Examine odontoid fracture to reset；With the midpoint of c2 vertebral body lower edge as entry point, sight is installed in place；X line normotopia, side position are saturating Depending on manipulating hollow guiding pipe normotopia and being located at Odontoid process axis, air pump to the summit to after Odontoid process, is opened by hollow guiding in side position Pipe position locks；With electric drill, 1.2mm Kirschner wire is squeezed into Odontoid process under guider guiding, after positive lateral projection is errorless, with outer The hollow drill bit of footpath 3.0 mm, along Kirschner wire reaming, is screwed into the hollow spongy bone pressurization titanium spiral shell of the appropriate length of a diameter of 3.5 mm Nail.

Claims (1)

1. shell fragment damp type bicyclic pivot cone Odontoid process sight, including hollow guiding pipe (1) and be connected to hollow guiding pipe (1) On sighting device it is characterised in that: described sighting device includes the inner sleeve (2) being arranged concentrically and outer sleeve (3), in overcoat Ring (3) is upper to arrange connecting plate (10) and connecting seat (11), and the external diameter of described inner sleeve (2) is less than the internal diameter of outer sleeve (3), described The external diameter of hollow guiding pipe (1) is less than the internal diameter of inner sleeve (2), the inner ring surface of the outer wall of hollow guiding pipe (1) and inner sleeve (2) Between be symmetrically arranged with left half axle (5) and right axle shaft, described left half axle (5) and right axle shaft is coaxially disposed and left half axle (5) and The axis of right axle shaft passes through the center of circle of inner sleeve (2)；Between the outer ring surface of described inner sleeve (2) and the inner ring surface of outer sleeve (3) Be provided with semiaxis (6) and lower semiaxis (7), described upper semiaxis (6) and lower semiaxis (7) be coaxially disposed and upper semiaxis (6) and under The axis of semiaxis (7) passes through the center of circle of inner sleeve (2)；The axis of upper semiaxis (6) and lower semiaxis (7) and left half axle (5) and right half The axis of axle is vertical；Described upper semiaxis (6), lower semiaxis (7), left half axle (5) and right axle shaft are by can rotate against and coaxially set The interior loop bar (8) put and trocar sheath (9) suit form；One end of described interior loop bar (8) be fixedly connected on inner sleeve (2) upper and with The tube chamber connection of inner sleeve (2), the other end of interior loop bar (8) is fixedly connected with the axostylus axostyle (81) in trocar sheath (9) inner chamber, The stage casing of described axostylus axostyle (81) is provided with the annular groove that section is u shape, and one end of described trocar sheath (9) is fixedly connected on hollow guiding pipe (1) or on outer sleeve (3), the other end of trocar sheath (9) is sleeved on axostylus axostyle (81), and it is right that the inwall of trocar sheath (9) is provided with Should be in the annular groove (91) of the upper annular groove of axostylus axostyle (81)；The bottom of described annular groove (91) carries runs through trocar sheath (9) tube wall Through hole, be fitted with connecting rod (92) in described through hole, the arc that the inner of described connecting rod (92) is fixedly connected with coupling annular groove rubs Pad (93), described arcuate friction piece (93) generally arc, its section is the u shape structure of coupling annular groove；Outside connecting rod (92) End is fixedly connected on the stage casing of spring leaf (94), and the two ends of described spring leaf (94) are connected to trocar sheath (9) by bearing respectively Outer wall on.
CN201510174301.0A 2015-04-14 2015-04-14 Elastic piece damping type dual-ring odontoid sighting device Expired - Fee Related CN104758045B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201510174301.0A CN104758045B (en) 2015-04-14 2015-04-14 Elastic piece damping type dual-ring odontoid sighting device
CN201611085053.3A CN106344143B (en) 2015-04-14 2015-04-14 Damp type dentoid process of axis sighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510174301.0A CN104758045B (en) 2015-04-14 2015-04-14 Elastic piece damping type dual-ring odontoid sighting device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201611085053.3A Division CN106344143B (en) 2015-04-14 2015-04-14 Damp type dentoid process of axis sighting device

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CN104758045A CN104758045A (en) 2015-07-08
CN104758045B true CN104758045B (en) 2017-01-18

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CN201510174301.0A Expired - Fee Related CN104758045B (en) 2015-04-14 2015-04-14 Elastic piece damping type dual-ring odontoid sighting device
CN201611085053.3A Active CN106344143B (en) 2015-04-14 2015-04-14 Damp type dentoid process of axis sighting device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106344143A (en) * 2015-04-14 2017-01-25 曹兰 Damping type sighting device for odontoid process of vertebra dentata

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US6530929B1 (en) * 1999-10-20 2003-03-11 Sdgi Holdings, Inc. Instruments for stabilization of bony structures
CN1137665C (en) * 2000-04-12 2004-02-11 刘少喻 Locator with convex teeth for fixing guide needle
US8771283B2 (en) * 2007-12-17 2014-07-08 Wright Medical Technology, Inc. Guide assembly for intramedullary fixation and method of using the same
CN101869506B (en) * 2010-07-28 2011-07-20 徐兆万 Cervical pedicle screw alignment apparatus
CN102755188B (en) * 2012-08-06 2014-04-30 周健 Cone odontoid screw sighting device
CN202761430U (en) * 2012-09-10 2013-03-06 苏州大学 Kirschner wire guiding device
ES2710339T3 (en) * 2012-12-28 2019-04-24 Paragon 28 Inc Alignment guide system
CN203852418U (en) * 2014-05-27 2014-10-01 田红波 Sliding positioning guide
CN104758045B (en) * 2015-04-14 2017-01-18 杨墨松 Elastic piece damping type dual-ring odontoid sighting device
CN204744389U (en) * 2015-04-14 2015-11-11 陈沂芳 Shell fragment damping formula dicyclo pivot awl cdontoid process sight

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106344143A (en) * 2015-04-14 2017-01-25 曹兰 Damping type sighting device for odontoid process of vertebra dentata

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CN106344143A (en) 2017-01-25
CN106344143B (en) 2018-09-28
CN104758045A (en) 2015-07-08

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C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Inventor after: Yang Mosong

Inventor after: Huang Kai

Inventor after: Chen Jun

Inventor before: Cao Lan

CB03 Change of inventor or designer information
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20161221

Address after: Department of orthopedics, Central Hospital of Shanghai Zhabei District, 200070 Zhonghua Road, Shanghai, Zhabei District, China, 619

Applicant after: Yang Mosong

Address before: Weifang City, Shandong province 261041 victory Street Kuiwei District No. 5111 Financial Street building B, room 406

Applicant before: Cao Lan

C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170118

Termination date: 20170414