CN106037923A - Odontoid process sighting device - Google Patents

Odontoid process sighting device Download PDF

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Publication number
CN106037923A
CN106037923A CN201610521690.4A CN201610521690A CN106037923A CN 106037923 A CN106037923 A CN 106037923A CN 201610521690 A CN201610521690 A CN 201610521690A CN 106037923 A CN106037923 A CN 106037923A
Authority
CN
China
Prior art keywords
inner sleeve
semiaxis
sleeve
left half
trocar sheath
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610521690.4A
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Chinese (zh)
Other versions
CN106037923B (en
Inventor
冀旭斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chen Naiwang
Original Assignee
冀旭斌
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 冀旭斌 filed Critical 冀旭斌
Priority to CN201610521690.4A priority Critical patent/CN106037923B/en
Publication of CN106037923A publication Critical patent/CN106037923A/en
Application granted granted Critical
Publication of CN106037923B publication Critical patent/CN106037923B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • A61B2017/0046—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
    • A61B2017/00469—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable for insertion of instruments, e.g. guide wire, optical fibre
    • 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

Abstract

The present invention relates to a medical instrument, and more particularly to an odontoid process sighting device for guiding the positioning of hollow screws in the treatment of odontoid process fractures. The device comprises a hollow guide tube and a sighting device connected to the hollow guide tube, the sighting device comprises an inner sleeve ring and an outer sleeve ring which are concentrically arranged, the inner sleeve ring and the outer sleeve ring and the hollow guide tube are connected by crossed rotating shafts, and each of the rotating shafts is formed by sleeve installation of an inner sleeve and an outer sleeve which are rotatably and coaxially arranged. The sighting device has the advantages of simple structure, convenient usage, and accurate and rapid positioning, and the device can be used for guiding the accurate positioning of Kirschner wires in the treatment of the odontoid process fractures so that the operation quality is improved, the operation errors are reduced, and the pain of the patients is reduced.

Description

Pivot cone Odontoid process sight
Technical field
The present invention relates to a kind of medical apparatus and instruments, specifically one and guide hollow in fracture of odontoid process of vertebra dentata is treated The pivot cone Odontoid process sight of screw location.
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 caused is 42-72%, and to there is potential atlanto-axial instability fixed simultaneously, may cause brain stem, Spinal cord or the acute or chronic damage of nerve root, cause serious quadriplegia, respiratory dysfunction, even dead.Therefore to pivot The patient of vertebra odontoid fracture answers active treatment.The direct treatment of internal fixation of odontoid fracture of screw is used from reported first in 1981 Since, clinical practice is it has proven convenient that compared with traditional Therapeutic Method, and this technology is possible not only to rebuild the stability of articulatio atlantoepistrophica, Can also retain the activeness of articulatio atlantoepistrophica to greatest extent, operation wound is little, and union of fracture rate is high, and is obviously improved minimal invasive treatment Quality, 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 affirmed the most clinically, but in the past owing to mainly operating by rule of thumb, guiding Kirschner wire needs repeatedly to adjust, operation Randomness is big, 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 one " axis odontoid screw sight ", and it is adopted Regulate, with nut, two shrinking connecting-rods being arranged on hollow guiding pipe thus change the sensing of hollow guiding pipe, two shrinking connecting-rods Being connected on vernier control plate, vernier control plate is connected with support bar by ball-joint.This axis odontoid screw sight May be used for fracture of odontoid process of vertebra dentata treatment guides Kirschner wire to be accurately positioned, thus improve surgical quality, reduce surgical error, Reduce the misery of patient.But in operation process, owing to the position needing regulation is numerous, and regulate each point of adjustment and mutually close Connection, generally requires adjustment repeatedly and can be only achieved requirement, affect operation progress.It addition, the length of the shrinking connecting-rod of nut regulation is difficult With precisely metering, the position that shrinking connecting-rod is connected on vernier control plate is the most uncertain, this axis odontoid screw sight Coordinate data record position can not be used, it is impossible to the location in operation before repetition.
Summary of the invention
It is an object of the invention to provide a kind of simple in construction, easy to use, governing speed fast, can use coordinate representation position Pivot cone Odontoid process sight, guides Kirschner wire to be accurately positioned in fracture of odontoid process of vertebra dentata is treated, thus improves surgical quality, Reduce surgical error, reduce the misery of patient.
The present invention solves that technical problem be the technical scheme is that
Pivot of the present invention cone Odontoid process sight includes hollow guiding pipe and the aiming dress being connected on hollow guiding pipe Putting, described sighting device includes inner sleeve and the outer sleeve being arranged concentrically, and the external diameter of described inner sleeve is less than the internal diameter of outer sleeve, The external diameter of described hollow guiding pipe is less than the internal diameter of inner sleeve, symmetrical between outer wall and the inner ring surface of inner sleeve of hollow guiding pipe Being provided with left half axle and right axle shaft, described left half axle and right axle shaft are coaxially disposed and the axis of left half axle and right axle shaft passes through interior The center of circle of the collar；Be provided with semiaxis and lower semiaxis between outer ring surface and the inner ring surface of outer sleeve of described inner sleeve, described on Semiaxis and lower semiaxis are coaxially disposed and the axis of upper semiaxis and the lower semiaxis center of circle by inner sleeve；Upper semiaxis and lower semiaxis Axis is vertical with the axis of left half axle and right axle shaft；Described upper semiaxis, lower semiaxis, left half axle and right axle shaft are by rotating against And inner sleeve and the trocar sheath suit being coaxially disposed forms；Connecting plate is set on described outer sleeve and connects seat.Described inner sleeve Be provided with the scale representing relative position on the outer tube wall of trocar sheath joining place.
Described inner sleeve is the annular hollow pipe being connected air pump by high-pressure air pipe, and one end of described inner sleeve is fixing to be connected Connecting on inner sleeve and with the tube chamber of inner sleeve, the other end of inner sleeve is provided with air bag, and the expanding end of described air bag is positioned at In the inner chamber of trocar sheath, one end of described trocar sheath connects inner sleeve, the other end of trocar sheath by rotatable snap ring It is fixedly connected on hollow guiding pipe or outer sleeve.
After using technique scheme, this sight is by the sensing of dicyclic sighting device regulation guide pipe, structure letter Single, easy to use, governing speed soon and can use coordinate representation position, the convenient details quantitatively recording operation technique, utilizes coordinate The repeatable location reproduced in operation；Hollow guide device is used to make location Kirschner wire be predominantly located in guider, it is simple to control Direction, it is to avoid it bends and causes the suitable illusion of inserting needle；Using air pressure to control swelling gasbag fixation hollow guider, location is dynamic Making fast, fixing reliable, after being accurately positioned and positioning, position is fixed, and decreases inserting needle repeatedly, improves the accuracy that screw enters； Need not implant fixing nail on Cervical vertebra and fixing connecting rod is firmly secured to operation table, fixing reliable.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of one embodiment of the invention.
Fig. 2 is the sectional structure schematic diagram of upper semiaxis.
Detailed description of the invention
As it is shown in figure 1, pivot of the present invention cone Odontoid process sight includes hollow guiding pipe 1 and is connected to hollow guiding Sighting device on pipe 1, described sighting device includes inner sleeve 2 and the outer sleeve 3 being arranged concentrically, the external diameter of described inner sleeve 2 Less than the internal diameter of outer sleeve 3, the external diameter of described hollow guiding pipe 1 less than the internal diameter of inner sleeve 2, the outer wall of hollow guiding pipe 1 with Be symmetrically arranged with left half axle 5 and right axle shaft between the inner ring surface of inner sleeve 2, described left half axle 5 and right axle shaft is coaxially disposed and The axis of left half axle 5 and the right axle shaft center of circle by inner sleeve 2；The outer ring surface of described inner sleeve 2 and the inner ring surface of outer sleeve 3 it Between be provided with semiaxis 6 and lower semiaxis 7, described upper semiaxis 6 and lower semiaxis 7 are coaxially disposed and upper semiaxis 6 and the axle of lower semiaxis 7 The line center of circle by inner sleeve 2；Upper semiaxis 6 is vertical with the axis of left half axle 5 and right axle shaft with the axis of lower semiaxis 7；On described Semiaxis 6, lower semiaxis 7, left half axle 5 and right axle shaft be set with by the inner sleeve 8 that can rotate against and be coaxially disposed and trocar sheath 9 and Become.
During use, hollow guiding pipe 1 can swing up and down centered by left half axle 5 and right axle shaft on inner sleeve 2, inner sleeve Can swing centered by ring more than 2 semiaxis 6 and lower semiaxis 7, thus can realize the comprehensive guiding of hollow guiding pipe 1 Arrange.
Certainly, use for convenience, it is also possible to connecting plate 10 is set on outer sleeve 3 and connects seat 11, connect for fixing It is connected on various support.
Described inner sleeve 2 is the annular hollow pipe being connected air pump by high-pressure air pipe, and inner sleeve 2 is provided with valve cock 13, and connect high-pressure air pipe by this valve cock 13.Upper semiaxis 6, lower semiaxis 7, left half axle 5 are identical with the structure of right axle shaft, with As a example by upper semiaxis 6, as in figure 2 it is shown, one end of described inner sleeve 8 is fixedly connected on inner sleeve 2 and with the tube chamber of inner sleeve 2 even Logical, the other end of inner sleeve 8 is provided with air bag 81, and the expanding end of described air bag 81 is positioned in the inner chamber of trocar sheath 9, described overcoat One end of pipe 9 connects inner sleeve 8 by rotatable snap ring, and the other end of trocar sheath 9 is fixedly connected on hollow guiding pipe 1 Or on outer sleeve 3.After air bag 81 is inflated, air bag 81 expands and is close on the inwall of trocar sheath 9, by trocar sheath 9 with interior The position of sleeve pipe 8 is fixed.
Described inner sleeve 8 represents the scale of relative position with being provided with on the outer tube wall of trocar sheath 9 joining place.Hollow guiding After the sensing position of pipe 1 is fixing, records the inner sleeve 8 on each semiaxis and angle that trocar sheath 9 rotates against i.e. can determine that sky The position coordinates of heart guide pipe 1.
During use, make patient lies supine position, after keeping neck, stretch position；Continue under skull traction C-arm X-ray machine just, position, side picture sees Examine odontoid fracture to reset；With the midpoint of C2 vertebral body lower edge as entry point, sight is installed and puts in place；X-ray normotopia, position, side are saturating Depending on, to handle hollow guiding pipe normotopia and be positioned at Odontoid process axis, air pump, to summit after Odontoid process, is opened by hollow guiding in position, side Pipe position locks；With electric drill, 1.2mm Kirschner wire is squeezed into Odontoid process under guider guides, after positive lateral projection is errorless, with outward 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 (2)

1. pivot cone Odontoid process sight, including hollow guiding pipe (1) and be connected to the sighting device on hollow guiding pipe (1), It is characterized in that: described sighting device includes inner sleeve (2) and the outer sleeve (3) being arranged concentrically, the external diameter of described inner sleeve (2) Less than the internal diameter of outer sleeve (3), the external diameter of described hollow guiding pipe (1) is less than the internal diameter of inner sleeve (2), hollow guiding pipe (1) Outer wall and the inner ring surface of inner sleeve (2) between be symmetrically arranged with left half axle (5) and right axle shaft, described left half axle (5) and right half Axle is coaxially disposed and the axis of left half axle (5) and the right axle shaft center of circle by inner sleeve (2)；The outer shroud of described inner sleeve (2) Semiaxis (6) and lower semiaxis (7), described upper semiaxis (6) and lower semiaxis (7) it is provided with between the inner ring surface of face and outer sleeve (3) It is coaxially disposed and the axis of upper semiaxis (6) and lower semiaxis (7) is by the center of circle of inner sleeve (2)；Upper semiaxis (6) and lower semiaxis (7) axis is vertical with the axis of left half axle (5) and right axle shaft；Described upper semiaxis (6), lower semiaxis (7), left half axle (5) and the right side Semiaxis is set with by the inner sleeve (8) that can rotate against and be coaxially disposed and trocar sheath (9) and forms；Arrange on described outer sleeve 3 Connecting plate 10 and connection seat 11；Described inner sleeve (8) represents relative position with being provided with on the outer tube wall of trocar sheath (9) joining place Scale.
Pivot the most according to claim 1 cone Odontoid process sight, it is characterised in that: described inner sleeve (2) is to pass through high pressure Trachea connects the annular hollow pipe of air pump, and one end of described inner sleeve (8) is fixedly connected on inner sleeve (2) and and inner sleeve (2) tube chamber connection, the other end of inner sleeve (8) is provided with air bag (81), and the expanding end of described air bag (81) is positioned at trocar sheath (9), in inner chamber, one end of described trocar sheath (9) connects inner sleeve (8) by rotatable snap ring, trocar sheath (9) The other end is fixedly connected on hollow guiding pipe (1) or outer sleeve (3).
CN201610521690.4A 2015-04-14 2015-04-14 Dentoid process of axis's sight Expired - Fee Related CN106037923B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610521690.4A CN106037923B (en) 2015-04-14 2015-04-14 Dentoid process of axis's sight

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510174319.0A CN104758046B (en) 2015-04-14 2015-04-14 Dicyclic pivot cone cdontoid process sight
CN201610521690.4A CN106037923B (en) 2015-04-14 2015-04-14 Dentoid process of axis's sight

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201510174319.0A Division CN104758046B (en) 2015-04-14 2015-04-14 Dicyclic pivot cone cdontoid process sight

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CN106037923A true CN106037923A (en) 2016-10-26
CN106037923B CN106037923B (en) 2018-02-27

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CN201610521514.0A Active CN105997227B (en) 2015-04-14 2015-04-14 A kind of dentoid process of axis's sighting device
CN201610521690.4A Expired - Fee Related CN106037923B (en) 2015-04-14 2015-04-14 Dentoid process of axis's sight
CN201510174319.0A Expired - Fee Related CN104758046B (en) 2015-04-14 2015-04-14 Dicyclic pivot cone cdontoid process sight
CN201610521689.1A Active CN105963010B (en) 2015-04-14 2015-04-14 Dentoid process of axis's sighting device

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CN201510174319.0A Expired - Fee Related CN104758046B (en) 2015-04-14 2015-04-14 Dicyclic pivot cone cdontoid process sight
CN201610521689.1A Active CN105963010B (en) 2015-04-14 2015-04-14 Dentoid process of axis's sighting device

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CN105963010A (en) * 2015-04-14 2016-09-28 冀旭斌 Pivot cone odontoid aiming device

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CN108210067A (en) * 2017-12-30 2018-06-29 郑州赫恩电子信息技术有限公司 A kind of plasma killing cancer cell physiotherapy equipment

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Publication number Priority date Publication date Assignee Title
CN201389077Y (en) * 2009-04-10 2010-01-27 徐兆万 Dens guide pin sighting device
WO2013152102A1 (en) * 2012-04-04 2013-10-10 Smith & Nephew, Inc. Surgical guide with intraoperative depth feedback
CN102755188A (en) * 2012-08-06 2012-10-31 周健 Axis odontoid screw sighting device
CN202761430U (en) * 2012-09-10 2013-03-06 苏州大学 Kirschner wire guiding device
US20140364859A1 (en) * 2013-06-07 2014-12-11 Stryker Trauma Gmbh Targeting adjustment
CN103961174A (en) * 2014-05-27 2014-08-06 田红波 Sliding positioning guide device
CN105963010A (en) * 2015-04-14 2016-09-28 冀旭斌 Pivot cone odontoid aiming device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105963010A (en) * 2015-04-14 2016-09-28 冀旭斌 Pivot cone odontoid aiming device

Also Published As

Publication number Publication date
CN105997227A (en) 2016-10-12
CN104758046B (en) 2016-08-24
CN106037923B (en) 2018-02-27
CN105963010A (en) 2016-09-28
CN105963010B (en) 2018-08-03
CN104758046A (en) 2015-07-08
CN105997227B (en) 2018-09-28

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Inventor after: Chen Naiwang

Inventor before: Ji Xubin

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Effective date of registration: 20180125

Address after: Yin Ma Zhen Chu Jia Cun, Weifang City, Changyi City, Shandong province 261300 No. 142

Applicant after: Chen Naiwang

Address before: Guang Wen Jie Weifang People's Hospital spinal surgery in Shandong province Weifang city Kuiwei District 261041

Applicant before: Ji Xubin

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