CN101617952B - Lower cervical anterior distraction reduction device - Google Patents
Lower cervical anterior distraction reduction device Download PDFInfo
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- CN101617952B CN101617952B CN 200910144311 CN200910144311A CN101617952B CN 101617952 B CN101617952 B CN 101617952B CN 200910144311 CN200910144311 CN 200910144311 CN 200910144311 A CN200910144311 A CN 200910144311A CN 101617952 B CN101617952 B CN 101617952B
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Abstract
The invention relates to a lower cervical anterior distraction reduction device, which comprises two hinged handles, namely a first handle (1) and a second handle (2). Splaying plier jaws are respectively arranged at the front end of each handle. The two handles (1) and (2) and the splaying plier jaws on the two handles (1) and (2) are positioned on the same side edge. An adjusting toothed bar (7) is riveted at the end part of the first handle (1). A groove (2d) and corresponding teeth connected with the adjusting toothed bar (7) are arranged at the end of the second handle (2). The inner sides of the two handles (1, 2) are respectively provided with a first spring sheet (4) and a second spring sheet (5) correspondingly. The device is characterized in that the fixed end of the first spring sheet (4) is cone-shaped and the free end thereof is provided with a small steel ball (3). The fixed end of the second spring sheet (5) is provided with a positioning hook (5a) and the free end thereof is provided with a spoon-shaped ball seat (5b). The steel ball (3) and the spoon-shaped ball seat (5b) are in contact to form a spring device. The lower cervical anterior distraction reduction device has the advantages of simple structure and convenient use; the operative efficiency can be remarkably improved by using the reduction device in the lower cervical zygopophysis interlocking reduction; and the difficulty of surgery operation and the incidence rate of complicating diseases are both reduced and the operative wound of patients is relieved.
Description
Technical field
The present invention relates to the medical apparatus and instruments of lower cervical vertebra reposition operation, especially a kind of anterior distraction reduction device tool for lower Management of Locked Facet of Cervical Spine.
Background technology
In recent years, the sickness rate of cervical spinal injury is year by year ascendant trend, articular process of cervical vertebra dislocation interlocking accounts for 50% of cervical spinal injury, unilateral cervical, bilateral facet interlocking are that cervical vertebra suffers flexing, lateroflexion or rotation violence and causes the destruction of cervical vertebra three rod structures, cervical stability, canalis spinalis form are impaired, spinal cord is subject to damage in various degree, and reset in early days decompression and reconstruction cervical stability are to alleviating secondary spinal cord injury, promoting that the recovery of spinal function is significant.Therapeutic Method commonly used is that reduction by traction, the way of escape are untied interlocking reduced operation, front road distraction reduction art, Anterior-posterior operation, anterior-posterior-front combined surgery, rear-the anterior-posterior combined surgery at present.
The anterior cervical positor that adopts in the distraction reduction art of front road, this positor comprises tooth plate, strut gear, positioning clamping pin, support arm, strut pipe, strut nail, wherein a support arm one end and tooth plate are fixed and are consisted of fixed arm, another support arm one end and the fixing formation of the travelling carriage that struts gear transfer arm, fixed arm is connected the other end pipe that struts that the two ends of perpendicular connection connect is housed respectively with transfer arm, pressing resets nail and lift the nail that resets forms by pushing up to strut nail, the pipe that struts on the transfer arm passes in described its bar section of nail that resets that lifts, its epimere is equipped with the spanner that lifts that is connected with its screw structure, when cervical vertebra restorer uses, need the top pressed to reset nail and lift the nail that resets to be screwed into vertebral body and to carry out reattachment surgery, certain danger is arranged, and cervical vertebra restorer self structure more complicated is used inconvenience.
Summary of the invention
Purpose of the present invention is exactly in order to overcome cervical vertebra restorer complex structure, awkward defective, and a kind of lower cervical anterior distraction reduction device is provided.
The technical solution adopted for the present invention to solve the technical problems is:
Lower cervical anterior distraction reduction device comprises two hinged first handle and second handles, and each handle front end is respectively equipped with and struts jaw, each handle with and on the jaw that struts be positioned at same side, the hinged adjusting ratch in first handle end; The second handle end is provided with groove and corresponding tooth is connected with regulating ratch, and each handle inboard is respectively equipped with corresponding the first spring leaf and the second spring leaf, it is characterized in that: described the first spring leaf stiff end is taper, and free-end is provided with small ball; Described the second spring leaf stiff end is provided with location hook, and free-end is provided with a spoonful shape ball seat; Steel ball contacts to link to each other with spoon shape ball seat and consists of spring assembly.
Handle is trapezoidal to strut jaw and circular-arc handgrip consists of by the cross section, junction at both is provided with hinge seat, hinge seat is the monaural hinge seat, the centre is provided with screwed hole, another hinge seat is the ears hinge seat, be respectively equipped with counterbore and screwed hole on it, two hinge seat corresponding matching consist of positor by the screw riveted joint.
The leaf spring device has elasticity and struts effect, when holding pressurization, handle is produced the elasticity that continues to strut, prevent handle from joining suddenly and cause that the dilator end is too quickly to be strutted, and can make the dilator automatic homing when regulating ratch resetting to unclamp after finishing, be convenient to withdraw from.
On the basis of above-mentioned main technical schemes, can increase following further perfect technical scheme:
The jaw outside that struts on the second handle is provided with lateral mass, be used for pressing down the vertebral body (vertebral body of namely dislocating of forward slippage, more the next vertebral body is high in the art), simultaneously make fulcrum with this, the jaw that struts of handle is dialled the next vertebral body execution sled, presses down the anterior margin of vertebral body that struts the upper advancing slip dislocation in gap when being convenient to reset in the art.
Each struts and is respectively equipped with anti-slop serrations on the jaw, struts jaw and inserts between vertebral body, can play anti-skidding effect when strutting cervical vertebra.
The first handle afterbody is to inner process one boss, and boss is provided with connecting hole, and the second handle afterbody is provided with groove, is provided with arc-shaped gear in the groove, regulates the connecting hole riveted joint of ratch one end and first handle afterbody, is movable state; Regulate the ratch other end and the corresponding arc-shaped gear of second handle afterbody and be connected, can regulate step by step locking when holding pressurized handgrip with a firm grip, prevent that it from flicking.
First handle afterbody inboard also is provided with the 3rd spring leaf, contacts with chamfering with the afterbody of regulating ratch, is used for being and continuing the fastening effect regulating ratch, prevents that the groove of itself and handle end from taking off tooth.
The invention has the beneficial effects as follows that lower cervical anterior distraction reduction device is simple in structure, easy to use; In lower Management of Locked Facet of Cervical Spine reduced operation, use this positor, can significantly improve operation efficient; Reduce the generation of difficulty and the complication of operation technique, alleviated operation wound to the patient.
The present invention is further described below in conjunction with drawings and Examples.
Description of drawings:
Fig. 1 is front view of the present invention;
Fig. 2 is the partial enlarged drawing of Fig. 1 of the present invention;
Fig. 3 is spring leaf front view of the present invention;
Fig. 4 is another spring leaf front view of the present invention;
Fig. 5 is the invention process figure.
1. first handles among the figure, 1a. first struts jaw, the 1b. connecting hole, 2. second handle, 2a. second struts jaw, the 2b. lateral mass, 2c. locating hole, 2d. groove, 3. steel ball, 4. the first spring leaf, 5. the second spring leaf, 5a. location hook, 5b. ball seat, 6. the 3rd spring leaf is 7. regulated ratch, 8. the next vertebral body, 9. upper vertebral body.
The specific embodiment
As shown in Figure 1, lower cervical anterior distraction reduction device, comprise two handles 1, handle is that trapezoidal jaw and circular-arc handgrip consist of by the cross section, is provided with hinge seat in both junctions, and hinge seat is the monaural hinge seat, the centre is provided with screwed hole, another hinge seat is the ears hinge seat, is respectively equipped with counterbore and screwed hole on it, and two hinge seat corresponding matching consist of positor by the screw riveted joint; First handle 1 front end is provided with first and struts jaw 1a, and first handle 1 afterbody is provided with connecting hole 1b; Second handle 2 front ends are provided with second and strut jaw 2a, and second struts the jaw 2a outside is provided with lateral mass 2b, and afterbody is provided with groove 2d; The connecting hole 1b that regulates ratch 7 one ends and first handle afterbody is connected, and regulates the ratch other end and is connected with the interior accordingly tooth of the groove 2d of second handle afterbody, can regulate step by step locking when holding pressurized handgrip with a firm grip, prevents that it from flicking.
Each struts and is respectively equipped with anti-slop serrations on the jaw, struts jaw and inserts between vertebral body, can play anti-skidding effect when strutting cervical vertebra.
As shown in Figure 1, each handle inboard is respectively equipped with corresponding spring leaf, one end of two spring leafs links to each other and consists of spring assembly, the other end of spring leaf is provided with screw and links to each other with handle respectively, as shown in Figure 3, described the second spring leaf 5 one ends stretch out location hook 5a, the other end is provided with a spoonful shape ball seat 5b, as shown in Figure 4, described the first spring leaf 4 one ends are taper, the other end is provided with a steel ball 3, and steel ball contacts with spoon shape ball seat, and the steel ball and spring device has elasticity and struts effect, when holding pressurization, handle is produced the elasticity that continues to strut, prevent handle from joining suddenly and cause that the dilator end is too quickly to be strutted, and can make the dilator automatic homing when regulating ratch resetting to unclamp after finishing, be convenient to withdraw from; First handle 1 afterbody inboard also is provided with the 3rd spring leaf 6, contacts with chamfering with the afterbody of regulating ratch, is used for being and continuing the fastening effect regulating ratch, prevents that the groove 2d of itself and handle end from taking off tooth.
As shown in Figure 2, second handle 2 inboards are provided with locating hole 2c, and the second spring leaf 5 is provided with location hook 5a and locating hole 2c is connected.
As shown in Figure 5, during the operation of lower cervical anterior distraction reduction, excision dislocation vertebral body below intercalated disc is positioned over dilator head end concave station between the dislocation vertebral body, strut the next vertebral body 8 and upper vertebral body 9, press down the front lower edge of the next vertebral body 8 with the lateral mass 2b of handle, and take the lateral mass of handle as fulcrum, strut the jaw sled with the head end of handle and dial the rear upper limb of upper vertebral body 9, the dislocation vertebral body resets, then open the adjusting ratch of handle afterbody, withdraw from dilator, finish the operation of lower cervical anterior distraction reduction.
Claims (5)
1. lower cervical anterior distraction reduction device, comprise two hinged first handle (1) and second handles (2), each handle front end is respectively equipped with and struts jaw, each handle (1,2) with and on the jaw that struts be positioned at same side, the hinged adjusting ratch in first handle (1) end (7); Second handle (2) end is provided with groove (2d) and corresponding tooth is connected with adjusting ratch (7), each handle (1,2) inboard is respectively equipped with corresponding the first spring leaf (4) and the second spring leaf (5), it is characterized in that: described the first spring leaf (4) stiff end is taper, and free-end is provided with small ball (3); Described the second spring leaf (5) stiff end is provided with location hook (5a), and free-end is provided with a spoonful shape ball seat (5b); Steel ball (3) contacts to link to each other with spoon shape ball seat (5b) and consists of spring assembly.
2. lower cervical anterior distraction reduction device according to claim 1 is characterized in that: jaw (2a) outside that struts on the second handle (2) is provided with lateral mass (2b).
3. lower cervical anterior distraction reduction device according to claim 1, it is characterized in that: each struts and is respectively equipped with anti-slop serrations on the jaw.
4. lower cervical anterior distraction reduction device according to claim 1, it is characterized in that: first handle (1) inboard also is provided with the 3rd spring leaf (6), and the afterbody of regulating ratch (7) contacts with the 3rd spring leaf (6) with chamfering.
5. lower cervical anterior distraction reduction device according to claim 1, it is characterized in that: second handle (2) inboard is provided with locating hole (2c), and the location hook (5a) of the second spring leaf (5) is connected with locating hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910144311 CN101617952B (en) | 2009-07-30 | 2009-07-30 | Lower cervical anterior distraction reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910144311 CN101617952B (en) | 2009-07-30 | 2009-07-30 | Lower cervical anterior distraction reduction device |
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| CN101617952A CN101617952A (en) | 2010-01-06 |
| CN101617952B true CN101617952B (en) | 2013-02-27 |
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| CN 200910144311 Active CN101617952B (en) | 2009-07-30 | 2009-07-30 | Lower cervical anterior distraction reduction device |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101810509A (en) * | 2010-04-23 | 2010-08-25 | 杭州市余杭区第一人民医院 | Spreader for unilateral expansive open-door vertebra board |
| CN102599946B (en) * | 2012-04-17 | 2013-09-04 | 上海市奉贤区中心医院 | Behind-path outer-side vertebral body repositor |
| CN102895017B (en) * | 2012-09-20 | 2015-01-21 | 杭州市余杭区第一人民医院 | Reset pliers for spreading and lifting lumbar vertebral bodies |
| CN104586482A (en) * | 2015-02-05 | 2015-05-06 | 毕宏政 | Universal distraction repositor for orthopedic department |
| CN106725663A (en) * | 2017-02-22 | 2017-05-31 | 山东省立医院 | A kind of intervertenral space device for spreading and application method |
| CN107468328A (en) * | 2017-09-17 | 2017-12-15 | 廖心远 | Lumber spondylolisthesis distraction reduction crow bar |
| CN109009273A (en) * | 2018-07-10 | 2018-12-18 | 吴飞 | A kind of extension fixture for bone surgery |
| CN108904033A (en) * | 2018-09-11 | 2018-11-30 | 李国庆 | A kind of preceding road resetting apparatus of Cervical vertebra dislocation |
| CN111449746A (en) * | 2020-05-26 | 2020-07-28 | 郴州市第一人民医院 | Active intervertebral body opening reduction forceps |
| CN114366275A (en) * | 2022-01-27 | 2022-04-19 | 郑州市骨科医院 | Anterior reduction forceps for dislocation of lower cervical zygapophysis |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201481527U (en) * | 2009-07-30 | 2010-05-26 | 刘振华 | Lower cervical vertebra anterior approach shoving repositor |
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2009
- 2009-07-30 CN CN 200910144311 patent/CN101617952B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201481527U (en) * | 2009-07-30 | 2010-05-26 | 刘振华 | Lower cervical vertebra anterior approach shoving repositor |
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| CN101617952A (en) | 2010-01-06 |
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