CN105125264A - Stable gun type replacer - Google Patents
Stable gun type replacer Download PDFInfo
- Publication number
- CN105125264A CN105125264A CN201510587045.8A CN201510587045A CN105125264A CN 105125264 A CN105125264 A CN 105125264A CN 201510587045 A CN201510587045 A CN 201510587045A CN 105125264 A CN105125264 A CN 105125264A
- Authority
- CN
- China
- Prior art keywords
- clamp handle
- hole
- inner sleeve
- contiguous block
- hinged
- 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.)
- Pending
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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
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
-
- 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 invention relates to a stable gun type replacer which is a medical instrument used for treating diseases such as trauma, degenerative changes and scoliosis deformation of the cervical vertebra, the lumber vertebra and the thoracic vertebra. The stable gun type replacer comprises an inner sleeve pipe, an outer sleeve pipe, an extension sleeve, connecting blocks, a left tong arm, a right tong arm, an elastic piece and a rack. A pin is riveted in the pipe wall of the front part of the inner sleeve pipe, and an elastic groove is formed in the inner sleeve pipe in the circumferential direction. A positioning hole is formed in the rear end of the inner sleeve pipe, the inner sleeve pipe and the first connecting block are welded through the positioning hole in an argon arc welding mode, and the inner sleeve pipe is connected with the left tong arm in a hinged mode. A notch groove is formed in the front end of the outer sleeve pipe, a positioning plane is arranged at the rear end of the outer sleeve pipe in the circumferential direction, the second connecting block and the outer sleeve pipe are welded in an argon arc welding mode through the positioning plane, and the outer sleeve pipe is connected with the right tong arm in a hinged mode. A cleaning groove is formed in the front part of the extension sleeve in the circumferential direction. Four locking holes are evenly formed in the rear end of the extension sleeve in the circumferential direction, the outer sleeve pipe is sleeved with the extension sleeve, and the extension sleeve is fixed through fastening screws.
Description
Technical field
One of medical apparatus and instruments of the diseases such as a kind of wound, degeneration and lateral bending deformity being used for the treatment of cervical vertebra and waist thoracic vertebra that what a kind of stable type of the present invention gun-type positor related to is.
Background technology
Spinal vertebral dislocation, scoliosis are comparatively common Orthopedic Clinical reset performances, the rectification of corpus vertebrae replacement, spinal column builds on the dissection Wei Catching-rabbits recovering displacement vertebral body, spinal column internal and external equilibrium, alleviate spinal column circumferential pressure, make it to adapt to Surrounding muscles faciation, remove joint capsule, ligamenta flava to the compressing of nerve root, improve a kind of reduction therapy operation on vertebral artery basis.
What conventional reset device adopted mostly is frog type reset pincers and swing reset pincers, although its structure is simple, convenient operation, but its location, reset unreliable, easily cause loosening, delay operating time, and doctor in operation, the risk that hands is obstructed the view can be produced, cause doctor cannot accurate alignment screw, rod is locked, causes there is potential safety hazard in operation.
, can there is stuck phenomenon in existing its complex structure of gun-type positor, this has had a strong impact on the time of operation, makes operation there is potential risk in operation.
And in recent years, the reset issues of spinal column is noticeable, in order to reach the optimum efficiency of operation, facilitate the Operation & use of doctor to be accustomed to, improve its location and the reliability resetted and procedure efficiency, reattachment surgery proposes further requirement to positor.
Summary of the invention
The object of the invention is for above-mentioned weak point, provide a kind of stable type gun-type positor, it is reasonable in design, structure is simple, easy and simple to handle, can realize effectively, reliably location and reset effect.And in operation, the surgical field of view of doctor is also enough open, accurately can clamp pedicle screw, makes operation carry out smoothly.
A kind of stable type gun-type positor takes following technical scheme to realize:
A kind of stable type gun-type positor comprises inner sleeve, trocar sheath, lengthening sleeve, contiguous block, left clamp handle, right clamp handle, shell fragment and tooth bar.
In the anterior tube wall of described inner sleeve, riveted joint has pin, and when positor works, pin inserts in pedicle nail head of a nail bayonet socket, forms the strong point of power; And inner sleeve circumference has elastic groove, make it have resilient clamp effect; Inner sleeve rear end is provided with locating hole, and inner sleeve is welded in the mode of argon arc welding by locating hole with contiguous block one, and is connected with left clamp handle in hinged mode.
Described trocar sheath front end is provided with gap slot, and gap slot is operationally against on pitman, has the strong point effect as power; Casing pipe circumference is provided with 12 mounting hole rinse baths outside, facilitates postoperative cleaning; Trocar sheath rear end circumference is provided with plane of orientation, and by plane of orientation, contiguous block two is welded with it by argon arc welding mode, and is connected with right clamp handle in hinged mode.
Described lengthening sleeve front portion is circumferentially with rinse bath; Rear end circumference is evenly provided with 4 lock holes, and lengthening sleeve is enclosed within trocar sheath outside, makes it fix by holding screw.When centrum olisthe displacement is comparatively large, use pedicle screw not reach lift effect, lift pedicle screw can be used, at this moment with the use of lengthening sleeve, namely will can lengthen lift distance, make vertebral body reach perfect and reset.
Described contiguous block one is provided with hinge hole and locating hole, and contiguous block one is carried out by locating hole on the locating hole of contiguous block one and inner sleeve and located, and is welded and fixed with inner sleeve; Contiguous block one is connected with left clamp handle in hinged way by hinge hole.
Described contiguous block two is provided with hinge hole, and contiguous block two is welded and fixed by welding manner and trocar sheath, and is connected in hinged way with right clamp handle by hinge hole.
Described left clamp handle is provided with three hinge holes and a lock hole, upper end thereof hole and contiguous block one hinged; Middle hinge hole and the hinged formation handle of right clamp handle are had an effect position; Bottom hinge hole and tooth bar hinged; Lock hole can realize the effect of fixing left shell fragment.Left clamp handle is provided with bossing, and this meets the custom that hands grips positor.
Described right clamp handle is provided with two hinge holes, a lock hole and spacing inserted sheet, upper end thereof hole be connected that to connect block two hinged; Middle hinge hole and the hinged formation handle of left clamp handle are had an effect position; Lock hole can realize the effect of fixing right shell fragment; Spacing inserted sheet and tooth bar can realize clamping spacing.
Described left shell fragment upper end is provided with notch end, and it is fixed by screws in left clamp handle.
Described right shell fragment upper end is provided with protruding end, is fixed by screws in right clamp handle, and its protruding end and left shell fragment notch end are buckled together, and interacts.
Described tooth bar is provided with hinge hole and tooth, its by articulated manner and left clamp handle bottom hinged; The spacing inserted sheet of tooth and right shell fragment bottom forms spacing relation.
operation principle
Reduction forceps uses usually in Via Posterior Spinal Approach nail-stick system, and the nail rod internal fixation system of Via Posterior Spinal Approach is made up of pedicle screw and pitman.When carrying out bone surgery, being first be screwed into two row's pedicle screws respectively in the inner side of multiple vertebral body, then respectively two row's pedicle screws being coupled together with two pitmans.Because deformity of spine, the reasons such as centrum olisthe, are screwed in epicentral two its ride outs of row's pedicle screw often not point-blank, are difficult to directly row's pedicle screw be coupled together with straight shape pitman.Therefore, usually use reduction forceps upwards to be lifted by the vertebral body with pedicle screw in operation, make the open slot of pedicle screw block pitman to reach the object of reset.
First complete building of Via Posterior Spinal Approach nail-stick system according to requirements of operation, then a kind of trocar sheath breach of stable type gun-type positor is close to Via Posterior Spinal Approach nail-stick system pitman, and the basic pedicle screw dead in line keeping its axis to clamp with needs; Open handle and advance inner sleeve, make the rivet of inner sleeve stick into the bayonet socket of pedicle screw; Compression handles, lift inner sleeve, makes the pedicle screw open slot with vertebral body upwards lift to pitman, completes reset.
A kind of stable gun-type positor advantage:
A kind of stable gun-type positor solves traditional frog type reset pincers, swing reset pincers and existing gun-type positor Problems existing in clinical reset well, it is reasonable in design, structure is simple, easy and simple to handle, can realize effectively, reliably location and reset effect.And in operation, the surgical field of view of doctor is enough open, accurately can clamp pedicle screw, makes operation carry out smoothly.
Accompanying drawing explanation
Below with reference to accompanying drawing, the invention will be further described.Accompanying drawing is the schematic diagram simplified, and only basic structure of the present invention is described in a schematic manner.
Fig. 1 is a kind of stable type gun-type positor structural representation.
Fig. 2 is a kind of inner sleeve schematic diagram of stable type gun-type positor.
Fig. 3 is a kind of trocar sheath schematic diagram of stable type gun-type positor.
Fig. 4 is a kind of lengthening sleeve schematic diagram of stable type gun-type positor.
Fig. 5 is a kind of contiguous block one schematic diagram of stable type gun-type positor.
Fig. 6 is a kind of contiguous block two schematic diagram of stable type gun-type positor.
Fig. 7 is a kind of left clamp handle schematic diagram of stable type gun-type positor.
Fig. 8 is a kind of right clamp handle schematic diagram of stable type gun-type positor.
Fig. 9 is a kind of left shell fragment schematic diagram of stable type gun-type positor;
Figure 10 is a kind of right shell fragment schematic diagram of stable type gun-type positor;
Figure 11 is a kind of tooth bar schematic diagram of stable type gun-type positor;
Figure 12 is a kind of mode of operation schematic diagram of stable type gun-type positor;
In figure, labelling lists as follows:
1, inner sleeve, 1-1, pin, 1-2, elastic groove, 1-3, locating hole; 2, trocar sheath, 2-1, gap slot, 2-2, rinse bath, 2-3, plane of orientation; 3, lengthening sleeve, 3-1, rinse bath, 3-2, lock hole; 4, contiguous block one, 4-1, hinge hole, 4-2, locating hole; 5, contiguous block two, 5-1, hinge hole; 6, left clamp handle, 6-1, hinge hole (6-2,6-3), 6-4, lock hole; 7, right clamp handle, 7-1, hinge hole (7-2), 7-3, lock hole, 7-4, spacing inserted sheet; 8, left shell fragment, 8-1, notch end; 9, right shell fragment, 9-1, protruding end; 10, tooth bar, 10-1, hinge hole, 10-2, tooth; 11, pedicle screw screw cap; 12, pitman.
Detailed description of the invention
With reference to accompanying drawing 1-12, a kind of stable type gun-type positor comprises inner sleeve 1, trocar sheath 2, lengthening sleeve 3, contiguous block, left clamp handle 6, right clamp handle 7, shell fragment and tooth bar 10.
In the anterior tube wall of described inner sleeve 1, riveted joint has pin 1-1, and when positor works, pin 1 inserts in pedicle screw screw cap 11 bayonet socket, forms the strong point of power; And inner sleeve 1 circumference has elastic groove 1-2, makes it have resilient clamp effect; Inner sleeve 1 rear end is provided with locating hole 1-3, and inner sleeve 1 is welded in the mode of argon arc welding by locating hole with contiguous block 1, and is connected with left clamp handle 6 in hinged mode.
Described trocar sheath 2 front end is provided with gap slot 2-1, and gap slot 2-1 is operationally against on pitman 12, has the strong point effect as power; Trocar sheath 2 body circumference is provided with 12 mounting hole rinse bath 2-2, facilitates postoperative cleaning; Trocar sheath 2 rear end circumference is provided with plane of orientation 2-3, and by plane of orientation 2-3, contiguous block 25 can adopt argon arc welding mode to be welded and fixed with it, and is connected with right clamp handle 7 in hinged mode.
Described lengthening sleeve 3 front portion is circumferentially with rinse bath 3-1; Rear end circumference is evenly provided with 4 lock hole 3-2, and it is outside that lengthening sleeve 3 is enclosed within trocar sheath 2, makes it fix by holding screw.When centrum olisthe displacement is comparatively large, use pedicle screw not reach lift effect, lift pedicle screw can be used, at this moment with the use of lengthening sleeve 3, namely can lengthen lift distance, make vertebral body reach perfect and reset.
Described contiguous block 1 is provided with hinge hole 4-1 and locating hole 4-2, and contiguous block 1 is carried out by locating hole 1-3 on the locating hole 4-2 of contiguous block 1 and inner sleeve 1 and located, and is welded and fixed with inner sleeve 1; Contiguous block 1 is connected with left clamp handle 6 in hinged way by hinge hole 4-1.
Described contiguous block 25 is provided with hinge hole 5-1, and contiguous block 25 is welded and fixed by welding manner and trocar sheath 2, and is connected in hinged way with right clamp handle 7 by hinge hole 5-1.
It is hinged that described left clamp handle 6 is provided with three hinge holes 6-1,6-2,6-3 and a lock hole 6-4, upper end thereof hole 6-1 and contiguous block 1; Middle hinge hole 6-2 and the hinged formation handle of right clamp handle 7 are had an effect position; Bottom hinge hole 6-3 and tooth bar 10 hinged; Lock hole 6-4 can realize the effect of fixing left shell fragment 8.Left clamp handle 6 is provided with bossing, and this meets the custom that hands grips positor.
Described right clamp handle 7 is provided with two hinge holes 7-1,7-2, a lock hole 7-3 and spacing inserted sheet 7-4, upper end thereof hole 7-1 and contiguous block 25 hinged; Middle hinge hole 7-2 and the hinged formation handle of left clamp handle 6 are had an effect position; Lock hole 7-3 can realize the effect of fixing right shell fragment 9; Spacing inserted sheet 7-4 and tooth bar 10 can realize clamping spacing.
Described left shell fragment 8 upper end is provided with notch end 8-1, and it is fixed by screws in left clamp handle 6.
Described right shell fragment 9 upper end is provided with protruding end 9-1, is fixed by screws in right clamp handle 7, and its protruding end 9-1 and left shell fragment recess 8-1 holds and is buckled together, and interacts.
Described tooth bar 10 is provided with hinge hole 10-1 and tooth 10-2, its by articulated manner and left clamp handle 6 bottom hinged; The spacing inserted sheet 7-4 of tooth 10-2 and right shell fragment 7 bottom forms spacing relation.
After completing Via Posterior Spinal Approach nail-stick system, carry out lift to needing the pedicle screw of lift and reset.First the inner sleeve 1 of stable type gun-type positor is packed into pedicle screw screw cap 11, the pin 1-1 making it rivet can stick into the bayonet socket of screw cover, and ensure that the breach of trocar sheath 2 can withstand on the pitman 12 of Via Posterior Spinal Approach nail-stick system, compress left clamp handle 6 and right clamp handle 7, inner sleeve 1 will clamp pedicle screw and move backward, trocar sheath 2 travels forward, and will reach like this and upwards lift vertebral body screw drive intervertebral, and then reach the object of reset.
Claims (4)
1. a stable type gun-type positor, is characterized in that: comprise inner sleeve, trocar sheath, lengthening sleeve, contiguous block, left clamp handle, right clamp handle, shell fragment and tooth bar;
In the anterior tube wall of described inner sleeve, riveted joint has pin, and when positor works, pin inserts in pedicle nail head of a nail bayonet socket, forms the strong point of power; And inner sleeve circumference has elastic groove, make it have resilient clamp effect; Inner sleeve rear end is provided with locating hole, and inner sleeve is welded in the mode of argon arc welding by locating hole with contiguous block one, and is connected with left clamp handle in hinged mode;
Described trocar sheath front end is provided with gap slot, and gap slot is operationally against on pitman, has the strong point effect as power; Trocar sheath rear end circumference is provided with plane of orientation, and by plane of orientation, contiguous block two is welded with it by argon arc welding mode, and is connected with right clamp handle in hinged mode;
Its front portion of described lengthening sleeve is circumferentially with rinse bath; Rear end circumference is evenly provided with 4 lock holes, and lengthening sleeve is enclosed within trocar sheath outside, makes it fix by holding screw; When centrum olisthe displacement is comparatively large, use pedicle screw not reach lift effect, lift pedicle screw can be used, at this moment with the use of lengthening sleeve, namely will can lengthen lift distance, make vertebral body reach perfect and reset;
Described contiguous block one is provided with hinge hole and locating hole, and contiguous block one is carried out by locating hole on the locating hole of contiguous block one and inner sleeve and located, and is welded and fixed with inner sleeve; Contiguous block one is connected with left clamp handle in hinged way by hinge hole;
Described contiguous block two is provided with hinge hole, and contiguous block two is welded and fixed by welding manner and trocar sheath, and is connected in hinged way with right clamp handle by hinge hole;
Described left shell fragment upper end is provided with notch end, and it is fixed by screws in left clamp handle;
Described right shell fragment upper end is provided with protruding end, is fixed by screws in right clamp handle, and its protruding end and left shell fragment notch end are buckled together, and interacts;
Described tooth bar is provided with hinge hole and tooth, its by articulated manner and left clamp handle bottom hinged; The spacing inserted sheet of tooth and right shell fragment bottom forms spacing relation.
2. a kind of stable type gun-type positor according to claim 1, is characterized in that: casing pipe circumference is provided with 12 mounting hole rinse baths outside, facilitates postoperative cleaning.
3. a kind of stable type gun-type positor according to claim 1, is characterized in that: described left clamp handle is provided with three hinge holes and a lock hole, upper end thereof hole and contiguous block one hinged; Middle hinge hole and the hinged formation handle of right clamp handle are had an effect position; Bottom hinge hole and tooth bar hinged; Lock hole realizes the effect of fixing left shell fragment; Left clamp handle is provided with bossing, is convenient to hands and grips positor.
4. a kind of stable type gun-type positor according to claim 1, is characterized in that: described right clamp handle is provided with two hinge holes, a lock hole and spacing inserted sheet, upper end thereof hole be connected that to connect block two hinged; Middle hinge hole and the hinged formation handle of left clamp handle are had an effect position; Lock hole can realize the effect of fixing right shell fragment; Spacing inserted sheet and tooth bar can realize clamping spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510587045.8A CN105125264A (en) | 2015-09-16 | 2015-09-16 | Stable gun type replacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510587045.8A CN105125264A (en) | 2015-09-16 | 2015-09-16 | Stable gun type replacer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105125264A true CN105125264A (en) | 2015-12-09 |
Family
ID=54711106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510587045.8A Pending CN105125264A (en) | 2015-09-16 | 2015-09-16 | Stable gun type replacer |
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| CN (1) | CN105125264A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108095888A (en) * | 2017-11-22 | 2018-06-01 | 杭州明视康眼科医院有限公司 | A kind of corneal lens takes out tweezer |
| CN113796942A (en) * | 2020-06-17 | 2021-12-17 | 温冰涛 | Double-side reduction forceps for vertebral body slippage |
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| US20060036254A1 (en) * | 2004-08-10 | 2006-02-16 | Roy Lim | Reducing instrument for spinal surgery |
| CN200945186Y (en) * | 2006-09-08 | 2007-09-12 | 南京大学医学院附属鼓楼医院 | Gun type reduction forceps |
| CN202154721U (en) * | 2011-07-08 | 2012-03-07 | 浙江神腾康慈生物医药科技有限公司 | Lifting pincers |
| CN203447345U (en) * | 2013-08-29 | 2014-02-26 | 常州朗力医疗科技有限公司 | Gun-type reset pliers |
| CN203524756U (en) * | 2013-08-29 | 2014-04-09 | 常州朗力医疗科技有限公司 | Quick-push gun-type reset forceps |
| US20140277170A1 (en) * | 2013-03-15 | 2014-09-18 | John Christian Barrett | Reduction instrument, surgical assembly including a reduction instrument and related method |
| CN104055558A (en) * | 2014-07-10 | 2014-09-24 | 苏州吉美瑞医疗器械有限公司 | Vertebra restoration pincers held with one hand |
| CN203988239U (en) * | 2014-07-10 | 2014-12-10 | 苏州吉美瑞医疗器械有限公司 | A kind of vertebrae reduction forceps of single hand type |
| CN205054385U (en) * | 2015-09-16 | 2016-03-02 | 常州市康辉医疗器械有限公司 | Stable form gun type restorer |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060036254A1 (en) * | 2004-08-10 | 2006-02-16 | Roy Lim | Reducing instrument for spinal surgery |
| CN200945186Y (en) * | 2006-09-08 | 2007-09-12 | 南京大学医学院附属鼓楼医院 | Gun type reduction forceps |
| CN202154721U (en) * | 2011-07-08 | 2012-03-07 | 浙江神腾康慈生物医药科技有限公司 | Lifting pincers |
| US20140277170A1 (en) * | 2013-03-15 | 2014-09-18 | John Christian Barrett | Reduction instrument, surgical assembly including a reduction instrument and related method |
| CN203447345U (en) * | 2013-08-29 | 2014-02-26 | 常州朗力医疗科技有限公司 | Gun-type reset pliers |
| CN203524756U (en) * | 2013-08-29 | 2014-04-09 | 常州朗力医疗科技有限公司 | Quick-push gun-type reset forceps |
| CN104055558A (en) * | 2014-07-10 | 2014-09-24 | 苏州吉美瑞医疗器械有限公司 | Vertebra restoration pincers held with one hand |
| CN203988239U (en) * | 2014-07-10 | 2014-12-10 | 苏州吉美瑞医疗器械有限公司 | A kind of vertebrae reduction forceps of single hand type |
| CN205054385U (en) * | 2015-09-16 | 2016-03-02 | 常州市康辉医疗器械有限公司 | Stable form gun type restorer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108095888A (en) * | 2017-11-22 | 2018-06-01 | 杭州明视康眼科医院有限公司 | A kind of corneal lens takes out tweezer |
| CN113796942A (en) * | 2020-06-17 | 2021-12-17 | 温冰涛 | Double-side reduction forceps for vertebral body slippage |
| CN113796942B (en) * | 2020-06-17 | 2023-11-21 | 温冰涛 | Bilateral reset forceps for vertebral body slipping |
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