CN102895017B - Reset pliers for spreading and lifting lumbar vertebral bodies - Google Patents
Reset pliers for spreading and lifting lumbar vertebral bodies Download PDFInfo
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- CN102895017B CN102895017B CN201210350067.9A CN201210350067A CN102895017B CN 102895017 B CN102895017 B CN 102895017B CN 201210350067 A CN201210350067 A CN 201210350067A CN 102895017 B CN102895017 B CN 102895017B
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- handle
- lifting
- carrying handle
- head
- closing
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Abstract
The invention relates to a pair of reset pliers for spreading and lifting lumbar vertebral bodies, which is used for the reset of a vertebral body and the fusion and fixation of parallel vertebral bodies so as to reset the normal relation of the sagittal sequence and force line of a vertebral column. The head part of a lifting handle I and the head part of a closing handle II rotate around a rivet so as to form the rotation fit of a plier body, a threaded rod penetrates through a through hole on the side surface of the tail part of the closing handle II to form buckled movable fit with a triangular clamp groove on the tail part of the lifting handle I, a nut is embedded in the through hole of the closing handle II and forms spiral movable fit with the threaded rod, the lifting handle I is in a hollow tube slot structure, a telescopic lifting bar penetrates out of the head part of the lifting handle I and forms a telescopic lifting nozzle with the jaws of the head part of the closing handle II, and the tail part of the telescopic lifting bar penetrates through a spiral handle. The pair of reset pliers has the advantages that on the one hand, the purpose of lateral and longitudinal vertebral body resetting which is required by inter-lumbar vertebral body surgery is realized; and on the other hand, the pair of reset pliers for spreading and lifting the lumbar vertebral bodies can satisfy the surgical requirements of different vertebral damages, not only can satisfy large lifting motions, but also can accurately and finely adjust the vertebral column of a local sick body.
Description
Technical field
The present invention relates to and a kind ofly to fix for the vertebral fixity system corpus vertebrae replacement of slippage walked abreast vertebral fusion when treating the illness such as spinal cord injury, slippage, strut lift reduction forceps between the lumbar vertebra of the normal Axial symptoms of final recovery spinal column and line of force relation, belong to medical apparatus and instruments and manufacture field.
Background technology
During the illness such as current treatment spinal cord injury, slippage, the most effective Therapeutic Method adopts the vertebral fixity system vertebral fusion that walked abreast by the corpus vertebrae replacement of slippage to fix, and finally recovers the normal Axial symptoms of spinal column and line of force relation.Formation due to spondylolysis is a chronic pathological process, and lesion segment is under the effect of long-term ABNORMAL STRESS, and partial structurtes become disorderly, scar tissue hypertrophy, stenosis of disc space, and intervertebral height is lost and even merged.And the vertebral body tissue of pathological changes can only strut by the tool tong of performing the operation now, caliper self cannot realize helping intervertebral to reset, and needs to have come by other instruments, and multiple instrument is performed the operation simultaneously, more to the intervertebral damage of patient, add operation risk, be unfavorable for patient's post-operative recovery.
Therefore intervertebral is wanted to reset, need by the active force of two kinds of different directions: one is distracting force between vertebral body, this power completes pyramidal portion by " folding seat " effect and resets.Two is the lift power acting on slippage vertebral body, by having lifted the final reset of slippage vertebral body.
Summary of the invention
Purpose of design: in order to solve the weak point in above-mentioned background technology, designs between a kind of lumbar vertebra that can recover the normal Axial symptoms of spinal column and line of force relation and struts lift reduction forceps.
Design: in order to realize above-mentioned purpose of design.1, head and the head closing up handle II of carrying handle I rotate around rivet and form caliper and revolve the design be rotatably assorted, and are one of technical characteristics of the present invention.The object done like this is: coordinate because screw rod is that buckle-type is dynamic through the through hole closing up handle II afterbody side and the triangle draw-in groove of carrying handle I afterbody, nut be embedded in close up handle II through hole in and coordinate with screw rod is helically dynamic, and carrying handle I is hollow tube seat structure, jointly formed to stretch with the jaw closing up handle II head after flexible pulling item passes from the head of carrying handle I and lift mouth, flexible pulling item afterbody is through spiral handle, when jaw close up stretch into gap between damaged vertebral body time, nut on inside rotary screw, nut drive is closed up handle and is inwardly closed up, close up handle and produce rotation around rivet, the mouth closing up handle opens gradually, realize the function strutting gap between vertebral body, vertebral body is helped to recover necessary gap, make vertebral body obtain part in vertical dimension to recover, now, the top and bottom of the jaw of lift reduction forceps are pressed between lumbar vertebra, then inside rotating screw handle, make the flexible pulling item in carrying handle along with the rotation outwards movement of spiral handle, thus traction intervertebral moves inward, realize vertebral body and obtain part recovery in horizontal range, lift reduction forceps jaw and the friction strutting vertebral body is strutted between last resort lumbar vertebra, to perform the operation needs according to patient, the position of intervertebral is slowly adjusted in the mode of lift, intervertebral is resetted gradually, thus the operation of whole correction vertebral disease is succeeded, such medical apparatus and instruments completely solves in current operation on vertebra and carries out for vertebra that is impaired, slippage the devices call corrected of performing the operation, and greatly reduces operating difficulty and risk, is conducive to the rehabilitation of patient vertebral body.2, the hollow tubular structure of carrying handle II is the circular hollow tube seat that combines with rectangle and the design that matches of the hollow tubular structure of stretching pulling item and carrying handle II, is technical characteristic two of the present invention.Such object is: perform the operation for the ease of the vertebral body less to displacement degree, need to extend into the function that interpyramidal operating forceps jaw has the slow movement of level, in order to avoid manually-operated error, then need the mobile variable of slowly adjustment operation jaw, therefore carrying handle is designed to be able to the hollow tubular structure of the functional character adapting to flexible pulling item, and this hollow tubular structure is the circular particular profile structure combined with rectangle, with the special construction of satisfied lift expansion strip and function.3, flexible pulling item first half is rectangular lamellar, the head one side local of rectangular lamellar is for matsurface and matsurface is outside the jaw of carrying handle I, flexible pulling item latter half be cylindrical and surperficial be screw thread, flexible pulling item and the screw opened in the middle part of spiral handle be the dynamic design coordinated helically, is technical characteristic three of the present invention.The object done like this is: when the head that the rectangular flake shape of flexible pulling item first half can meet it is as jaw, conveniently can insert interbody space; And the head one side local of rectangular lamellar is matsurface and matsurface is outside the jaw of carrying handle, then can after jaw strut vertebral body, the matsurface outside jaw can produce larger frictional force and drive vertebral body to carry out displacement; Flexible pulling item latter half is the cylindrical and surperficial design for screw thread, can conveniently when operation spiral handle intense adjustment to stretch the displacement of pulling item, with improve operation precision.4, being the design of matsurface outside the jaw closing up handle II, is technical characteristic four of the present invention.The object done like this is: together with the jaw that outside the jaw closing up handle, matsurface and the flexible pulling item head in carrying handle are formed, formation can increase the design of jaw head frictional force further, thus make apparatus in operation stronger to the manipulation stability of operation vertebral body, promote the success of vertebra vertebral body operation further.5, inside carrying handle I with to close up inside handle II stationary spring respectively, and two panels spring leaf head intersects to form elastomeric design mutually, is technical characteristic five of the present invention.The object done like this is: the flexure strip that mutually head intersects can ensure carrying handle and close up the handle moment and be in an outer tense situation, the nut rotating and wear and close up on handle must be relied on to regulate carrying handle and to close up the spacing between handle, therefore whole caliper can keep form steady, the displacement of unartificial operation can not arbitrarily occur, and is the guarantee precisely provided on apparatus on hand.6, carrying handle I is straight-bar, closes up the design that handle II is bow, is technical characteristic six of the present invention.The object done like this is: the flexible pulling item that the straight-bar of carrying handle is convenient to its inside can form lateral displacement, the handle that closes up of arc more meets the requirement of human hands ergonomic designs, allows to strut lift reduction forceps caliper between whole lumbar vertebra and more easily control and operate.
Technical scheme: strut lift reduction forceps between a kind of lumbar vertebra, the head of carrying handle I and the head closing up handle II rotate around rivet and form caliper and revolve and be rotatably assorted, to be that buckle-type is dynamic through the through hole closing up handle II afterbody side and the triangle draw-in groove of carrying handle I afterbody coordinate screw rod, nut be embedded in close up handle II through hole in and coordinate with screw rod is helically dynamic, carrying handle I is hollow tube seat structure, jointly formed to stretch with the jaw closing up handle II head after flexible pulling item passes from the head of carrying handle I and lift mouth, flexible pulling item afterbody is through spiral handle.
The present invention is compared with background technology, and one is the target that vertebral body realizes laterally and vertical direction resets that allows solving the required solution of operation between lumbar vertebra; Two is strut the operation needs that lift reduction forceps can meet different impaired vertebra between this lumbar vertebra, can meet large pull lift action, can carry out accurate fine adjustments again to local sick body vertebra; Three is regulate that the method for jaw is simple, operation precision is high; Four is the delicate structure, simple, practical strutting lift reduction forceps between lumbar vertebra.
Accompanying drawing explanation
Fig. 1 struts lift reduction forceps working state schematic representation between lumbar vertebra.
Fig. 2 struts lift reduction forceps closure state schematic diagram between lumbar vertebra.
Fig. 3 is carrying handle outer pommel face cross-sectional view.
Fig. 4 is the front view of flexible pulling item.
Fig. 5 is the top view of flexible pulling item.
Detailed description of the invention
Embodiment 1: with reference to accompanying drawing 1-5.The head of carrying handle I 1 and the head closing up handle II 2 rotate around rivet and form caliper and revolve and be rotatably assorted, to be that buckle-type is dynamic through the through hole closing up handle II 2 afterbody side and the triangle draw-in groove of carrying handle I 1 afterbody coordinate screw rod 3, nut 301 be embedded in close up handle II 2 through hole in and coordinate with screw rod 3 is helically dynamic, carrying handle I 1 is hollow tube seat structure, jointly formed to stretch with the jaw closing up handle II 2 head after flexible pulling item 101 passes from the head of carrying handle I 1 and lift mouth, flexible pulling item 101 afterbody is through spiral handle 4.The hollow tubular structure of carrying handle I 1 is the circular hollow tube seat that combines with rectangle and the hollow tubular structure of flexible pulling item 101 and carrying handle I 1 matches.Described flexible pulling item 101 first half is rectangular lamellar, the head one side local of rectangular lamellar is for matsurface and matsurface is outside the jaw of carrying handle I 1, flexible pulling item 101 latter half be cylindrical and surperficial be screw thread, flexible pulling item 101 and the screw opened in the middle part of spiral handle 4 helically move and coordinate.It is matsurface outside the described jaw closing up handle II 2.Inside described carrying handle I 1 with to close up inside handle II 2 stationary spring 5 respectively, and two panels spring leaf 5 head intersects to form elastomer mutually.Described carrying handle I 1 is straight-bar, closes up handle 2 for bow.Its processing technology is prior art, no longer sets forth at this.
It is to be understood that: although above-described embodiment to be contrasted simple text description to mentality of designing of the present invention; but these text descriptions; just the simple text of mentality of designing of the present invention is described; instead of the restriction to mentality of designing of the present invention; any do not exceed mentality of designing of the present invention combination, increase or amendment, all fall within the scope of protection of the present invention.
Claims (5)
1. strut lift reduction forceps between a lumbar vertebra, it is characterized in that: the head of carrying handle I (1) and the head closing up handle II (2) rotate around rivet and form caliper and revolve and be rotatably assorted, to be that buckle-type is dynamic through the through hole closing up handle II (2) afterbody side and the triangle draw-in groove of carrying handle I (1) afterbody coordinate screw rod (3), nut (301) be embedded in close up handle II (2) through hole in and coordinate with screw rod (3) is helically dynamic, carrying handle I (1) is hollow tube seat structure, jointly formed to stretch with the jaw closing up handle II (2) head after flexible pulling item (101) passes from the head of carrying handle I (1) and lift mouth, flexible pulling item (101) afterbody is through spiral handle (4), the hollow tubular structure of described carrying handle I (1) be the circular hollow tube seat that combines with rectangle and flexible pulling item (101) first half be rectangular lamellar, latter half be cylindrical and surperficial be screw thread, the hollow tubular structure of flexible pulling item (101) and carrying handle I (1) matches.
2. strut lift reduction forceps between lumbar vertebra according to claim 1, it is characterized in that: the head one side local of rectangular lamellar is for matsurface and matsurface is outside the jaw of carrying handle I (1).
3. strut lift reduction forceps between lumbar vertebra according to claim 1, it is characterized in that: described in close up handle II (2) jaw outside be matsurface.
4. strut lift reduction forceps between lumbar vertebra according to claim 1, it is characterized in that: described carrying handle I (1) inner side with close up handle II (2) inner side stationary spring (5) respectively, and two panels spring leaf (5) head intersects to form elastomer mutually.
5. strut lift reduction forceps between lumbar vertebra according to claim 1, it is characterized in that: described carrying handle I (1) is straight-bar, closing up handle II (2) is bow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210350067.9A CN102895017B (en) | 2012-09-20 | 2012-09-20 | Reset pliers for spreading and lifting lumbar vertebral bodies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210350067.9A CN102895017B (en) | 2012-09-20 | 2012-09-20 | Reset pliers for spreading and lifting lumbar vertebral bodies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102895017A CN102895017A (en) | 2013-01-30 |
| CN102895017B true CN102895017B (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210350067.9A Expired - Fee Related CN102895017B (en) | 2012-09-20 | 2012-09-20 | Reset pliers for spreading and lifting lumbar vertebral bodies |
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| Country | Link |
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| CN (1) | CN102895017B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107432764B (en) * | 2017-08-23 | 2019-07-12 | 中国人民解放军第二军医大学第二附属医院 | Anterior cervical vertebrae controllably moves forward instrument |
| CN109009320B (en) * | 2018-08-08 | 2021-07-27 | 武汉拓思瑞医疗科技有限公司 | Knee joint osteotomy angle measuring device |
| CN112421470A (en) * | 2020-11-09 | 2021-02-26 | 国网山东省电力公司济南供电公司 | Electric power threading pipe extracting tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1113746A (en) * | 1994-06-17 | 1995-12-27 | 泰山医学院附属医院 | Lumber spondylolisthesis reprositor |
| DE10255553A1 (en) * | 2002-11-28 | 2004-07-08 | Thomas Dr. Lübbers | Device for correction of spine of person suffering from spondylolisthesis without using bone screws |
| CN1545984A (en) * | 2003-12-17 | 2004-11-17 | 尹庆水 | Reposition device for atlas |
| CN2681691Y (en) * | 2004-03-12 | 2005-03-02 | 昌耘冰 | Centrum reductor by way of intervertebral space |
| CN101143107A (en) * | 2007-10-12 | 2008-03-19 | 刘锦波 | Pubic symphysis separation three-dimension resetting device component |
| CN101617952A (en) * | 2009-07-30 | 2010-01-06 | 刘振华 | Lower cervical anterior distraction reduction device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6685710B2 (en) * | 2001-10-10 | 2004-02-03 | Codman & Shurtleff, Inc. | Rongeur with detachable crossbar |
-
2012
- 2012-09-20 CN CN201210350067.9A patent/CN102895017B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1113746A (en) * | 1994-06-17 | 1995-12-27 | 泰山医学院附属医院 | Lumber spondylolisthesis reprositor |
| DE10255553A1 (en) * | 2002-11-28 | 2004-07-08 | Thomas Dr. Lübbers | Device for correction of spine of person suffering from spondylolisthesis without using bone screws |
| CN1545984A (en) * | 2003-12-17 | 2004-11-17 | 尹庆水 | Reposition device for atlas |
| CN2681691Y (en) * | 2004-03-12 | 2005-03-02 | 昌耘冰 | Centrum reductor by way of intervertebral space |
| CN101143107A (en) * | 2007-10-12 | 2008-03-19 | 刘锦波 | Pubic symphysis separation three-dimension resetting device component |
| CN101617952A (en) * | 2009-07-30 | 2010-01-06 | 刘振华 | Lower cervical anterior distraction reduction device |
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| Publication number | Publication date |
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| CN102895017A (en) | 2013-01-30 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20150121 Termination date: 20190920 |