CN204698663U - Locking compress bridge system and Wire/cable contact member inner fixing device - Google Patents
Locking compress bridge system and Wire/cable contact member inner fixing device Download PDFInfo
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- CN204698663U CN204698663U CN201520319614.6U CN201520319614U CN204698663U CN 204698663 U CN204698663 U CN 204698663U CN 201520319614 U CN201520319614 U CN 201520319614U CN 204698663 U CN204698663 U CN 204698663U
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Abstract
This utility model locking compress bridge system and Wire/cable contact member inner fixing device belong to Fracture internal fixaiion utensil technical field, be a kind of device for the treatment of the osteopathia such as Periprosthetic fracture, Complicated Fracture of Long Bone, mainly comprise termination block 1, fixed block 2, dissect block 3, pitman 4, cable 5, locking compress screw 6, lock screw 7, lock nut 8.Lock nut 8 is by locking to realize to dissect the fixing of block 3 and two pitmans 4, the screw thread of lock nut 8 and the threaded engagement of fixed block 3 with lock hole 3-4, and lock nut presses on pitman; Dissect block 3 head and be provided with multiple screwed hole 3-2, pin hole 3-3 and cable trough 3-1, can select to use cable 5 by cable trough 3-1 and skeletal fixation, also can select with lock screw 7 and skeletal fixation; Two pitmans 4 are fixed by lock screw 7 through two parallel holes of fixed block 2, and fixed block 2 can horizontal slip on pitman, the skeletal fixation of lock screw 7 head threads implant into body, and cable 5 can be fixed by the cable trough of 2-1 and skeleton; Lock nut 8 by realizing the fixing of termination block 1 and two pitmans 4 with the locking of lock hole 1-2, locking compress screw 6 by realizing with locking compress hole 1-1 the function locked afterwards of first pressurizeing, the head threads implant into body skeleton of locking compress screw 6; Cable 5 can be realized and skeletal fixation by the cable hole 4-1 on pitman 4.It is simple, easy and simple to handle that this utility model has structure, reduction of the fracture good fixing effect, the features such as few intercurrent disease.
Description
Technical field
This utility model locking compress bridge system and Wire/cable contact member inner fixing device belong to Fracture internal fixaiion utensil technical field, are that one treats human fracture, carry out broken ends of fractured bone reset, connection, stationary device, belong to medical apparatus and instruments.
Background technology
People are subject to unexpected injury unavoidably and cause the generation of fracture in the middle of life, production, and not only brought great misery, malpractice also may leave life-long disabilities, affects normal productive life, even loses self care ability.Domestic and international orthopaedics implant is still with various straight type, pressing type and anatomical plate at present, various self-locking and interlocking type intramedullary pin, and " AO " Liss steel plate etc. of advanced person is main.In the face of of a great variety, specification, complex-shaped implant and supporting training equipment, often bring the trouble in selection to clinical operation, deviation in selection not only causes suffering to patient, even affect the final effect of operation, severe patient can cause operative failure, causes medical tangle.With regard to operation technique, intramedullary pin operation needs to expand marrow, interlocking, more need skilled operating technology, once interlocking is inaccurate in art, operation will be difficult to carry out, and steel plate series operation needs open reduction to fix, need to peel off periosteum, even the direct compression fractures position of steel plate, has a strong impact on osteogenesis environment, and steel plate intramedullary pin also exists the problem that stress shielding and stress are concentrated jointly.This utility model is for the deficiencies in the prior art, based on the treatment concept of Wicresoft and biological internal fixtion, devise in structure, operating characteristics, to integrate steel plate, the locking compress bridge system of intramedullary pin advantage and Wire/cable contact member inner fixing device, achieve good effect.
Summary of the invention
The purpose of this utility model is a kind of locking compress bridge system and Wire/cable contact member inner fixing device that provide for above-mentioned weak point, dissect block, fixed block and termination block to be fixed by lock screw and lock nut and two pitmans, composition bridge system, lock fixing by lock screw threads and fixed block, the screwed hole of dissecting block again, rod end screw thread implants skeletal fixation; Also can by cable and fixed block, dissect block, that pitman realizes with skeleton is fixing.This system is that bridge joint is fixed, and decreases the damage to the stripping of soft tissue and periosteum blood fortune in art, is conducive to union of fracture.The use of cable enhances the hold of sclerotin, thus makes fixed block and pitman not easy glide and getting loose, can the persistency that holds of keeping system.
This utility model takes following scheme to realize: mainly comprise termination block 1, fixed block 2, dissect block 3, pitman 4, cable 5, locking compress screw 6, lock screw 7, lock nut 8.Lock nut 8 is by locking to realize to dissect the fixing of block 3 and two pitmans 4, the screw thread of lock nut 8 and the threaded engagement of fixed block 3 with lock hole 3-4, and lock nut presses on pitman; Dissect block 3 can select to use cable 5 by cable trough 3-1 and skeletal fixation, also can select with lock screw 7 and skeletal fixation; Two pitmans 4 are fixed by lock screw 7 through two parallel holes of fixed block 2, and the skeletal fixation of lock screw 7 head threads implant into body, cable 5 can be fixed by the cable trough of 2-1 and skeleton; Lock nut 8 by realizing the fixing of termination block 1 and two pitmans 4 with the locking of lock hole 1-2, locking compress screw 6 by realizing with locking compress hole 1-1 the function locked afterwards of first pressurizeing, the head threads implant into body skeleton of locking compress screw 6; Cable 5 can be realized and skeletal fixation by the cable hole 4-1 on pitman 4.
The bridge system that this utility model is fixed block, dissection block, termination block and pitman form, fixed by lock screw, also can fix with cable, overcome the deficiencies in the prior art, improve the biomechanics characteristic of fixture, decrease the generation of postoperative complication, expand indication scope, improve the rehabilitation efficacy of fracture patient.Advantage is: decrease the damage to the stripping of soft tissue and periosteum blood fortune in art, be conducive to union of fracture; The use of cable enhances the hold of sclerotin, thus makes fixed block and pitman not easy glide and getting loose, can the persistency that holds of keeping system; Lock screw and cable bilayer are fixed, and are applicable to the patient that osteoporosis is serious.
Accompanying drawing explanation
Below with reference to accompanying drawing, the utility model is described in further detail.
Fig. 1 is locking compress bridge system and Wire/cable contact member inner fixing device working state schematic representation.
Fig. 2 is the front view of dissecting block, fixed block, termination block, pitman, lock screw, locking compress screw and lock nut assembled state.
Fig. 3 is the upward view of Fig. 2.
Fig. 4 is the front view of dissecting block 3.
Fig. 5 is the upward view that Fig. 4 dissects block 3.
Fig. 6 is the front view of fixed block 2.
Fig. 7 be Fig. 6 fixed block 2 A-A to sectional view.
Fig. 8 is the front view of termination block 1.
Fig. 9 be Fig. 8 termination block 1 B-B to sectional view.
Figure 10 is the schematic diagram of pitman 4.
Figure 11 is the front view of lock screw 7.
Figure 12 is the left view of lock screw 7.
Figure 13 is the front view of locking compress screw 6.
Figure 14 is the left view of locking compress screw 6.
Figure 15 is the front view of lock nut 8.
Figure 16 is the left view of lock nut 8.
Detailed description of the invention
With reference to accompanying drawing 1 ~ 16, this utility model mainly comprises termination block 1, fixed block 2, dissect block 3, pitman 4, cable 5, locking compress screw 6, lock screw 7, lock nut 8, it is characterized in that: lock nut 8 is by locking to realize to dissect the fixing of block 3 and two pitmans 4 with lock hole 3-4, lock nut presses on pitman, two pitmans 4 are fixed by lock screw 7 through two parallel holes of fixed block 2, and the skeletal fixation of lock screw 7 head threads implant into body, lock nut 8 is by realizing the fixing of termination block 1 and two pitmans 4 with the locking of lock hole 1-2, locking compress screw 6 is by realizing with locking compress hole 1-1 the function locked afterwards of first pressurizeing, the head threads implant into body skeleton of locking compress screw 6.
Described dissection block 3 is provided with two pitman hole 3-5, two locking rod pressuring hole 3-4, three cable trough 3-1,2 ~ 4 screw hole 3-2 and 2 guide pinhole 3-3; Screw hole 3-2 becomes 30 ° ~ 150 ° (see accompanying drawing 4 and Fig. 5) with dissection block 3 cadre principal plane.
Described fixed block 2 is provided with two and wears excellent hole 2-2, two locking screw thread hole 2-3, cable trough 2-1, and screw hole matches with the afterbody of lock screw, cable trough and cable fit (see accompanying drawing 6 and Fig. 7).
Described termination block 1 is provided with 1 locking compress hole 1-1, a locking rod pressuring hole 1-2, two pitman hole 1-3, the pressurization sphere 1-4 of locking compress hole 1-1 and the concave spherical surface 1-5 of lock hole lower end and locking compress screw 6 afterbody sphere adapt, and its locking screw thread and locking compress screw 6 tailing screw flight adapt (see accompanying drawing 8 and Fig. 9).
Described pitman 4 is straight type rod, and cross section is circular, plastic type; Pitman 4 is provided with several cable hole 4-1 (see accompanying drawing 10).
Described locking compress screw 6 head of a nail partial threads is double thread, adapts with the screw thread of locking compress hole 1-1; Bottom its head of a nail, the pressurization sphere 1-4 of sphere and locking compress hole 1-1 adapts; Its cadre is tapping screw thread, and the pitch of cadre's screw thread is 2-3 times of head of a nail screw thread, and head of a nail end is provided with quincunx groove 6-1 (see accompanying drawing 13 and Figure 14), to coordinate with force application means.
Described lock screw 7 threaded upper ends matches with the screw thread in locking screw thread hole, lower end screw thread is tapping screw thread, lock nut 8 cadre screw thread matches with pressure bar screwed hole screw thread, lock screw 7 and lock nut 8 head of a nail end are provided with quincunx groove 7-1 and 8-1 (see accompanying drawing 11, Figure 12 and Figure 15, Figure 16), to coordinate with force application means.
Fig. 2 and Fig. 3 shows the assembled state that this utility model dissects block 3, fixed block 2, termination block 1, pitman 4, lock screw 7, locking compress screw 6 and lock nut 8.Dissecting block 3 can be fast for the abnormity meeting arbitrarily skeleton; Fixed block 2 can slide on pitman 4, and quantity basis practical situation is selected, the effect that termination block 1 has pressurization and prevents pitman from coming off.
Fig. 1 describes work process of the present utility model.
Lock nut 8 is by locking to realize to dissect the fixing of block 3 and two pitmans 4, the screw thread of lock nut 8 and the threaded engagement of fixed block 3 with lock hole 3-4, and lock nut presses on pitman; Dissect block 3 head and be provided with multiple screwed hole 3-2, pin hole 3-3 and cable trough 3-1, can select to use cable 5 by cable trough 3-1 and skeletal fixation, also can select with lock screw 7 and skeletal fixation; Two pitmans 4 are fixed by lock screw 7 through two parallel holes of fixed block 2, and the skeletal fixation of lock screw 7 head threads implant into body, cable 5 can be fixed by the cable trough of 2-1 and skeleton; Lock nut 8 by realizing the fixing of termination block 1 and two pitmans 4 with the locking of lock hole 1-2, locking compress screw 6 by realizing with locking compress hole 1-1 the function locked afterwards of first pressurizeing, the head threads implant into body skeleton of locking compress screw 6; Cable 5 can be realized and skeletal fixation by the cable hole 4-1 on pitman 4.
Claims (9)
1. a locking compress bridge system and Wire/cable contact member inner fixing device, mainly comprise termination block (1), fixed block (2), dissect block (3), pitman (4), cable (5), locking compress screw (6), lock screw (7), lock nut (8), it is characterized in that: lock nut (8) is by locking to realize to dissect the fixing of block (3) and two pitmans (4) with lock hole (3-4), lock nut presses on pitman, two pitmans (4) are fixed by lock screw (7) through two parallel holes of fixed block (2), and the skeletal fixation of lock screw (7) head threads implant into body, lock nut (8) is by realizing the fixing of termination block (1) and two pitmans (4) with the locking of lock hole (1-2), locking compress screw (6) is by realizing with locking compress hole (1-1) function locked afterwards of first pressurizeing, the head threads implant into body skeleton of locking compress screw (6).
2. locking compress bridge system according to claim 1 and Wire/cable contact member inner fixing device, it is characterized in that: described dissection block (3) is provided with two pitman holes (3-5), two lockings rod pressuring hole (3-4), three cable trough (3-1), 2 ~ 4 screw hole (3-2) and 2 guide pinholes (3-3); Screw hole (3-2) becomes 30 ° ~ 150 ° with dissection block (3) cadre's principal plane.
3. locking compress bridge system according to claim 1 and Wire/cable contact member inner fixing device, it is characterized in that: described fixed block (2) is provided with two and wears excellent hole (2-2), two locking screw thread holes (2-3), cable trough (2-1), screw hole matches with the afterbody of lock screw, cable trough and cable fit.
4. locking compress bridge system according to claim 1 and Wire/cable contact member inner fixing device, it is characterized in that: described termination block (1) is provided with 1 locking compress hole (1-1), locking rod pressuring hole (1-2), two pitman holes (1-3), the pressurization sphere (1-4) in locking compress hole (1-1) and the concave spherical surface (1-5) of lock hole lower end adapt with locking compress screw (6) afterbody sphere, and its locking screw thread and locking compress screw (6) tailing screw flight adapt.
5. locking compress bridge system according to claim 1 and Wire/cable contact member inner fixing device, is characterized in that: described pitman (4) is straight type rod, and cross section is round, plastic type; Pitman (4) is provided with several cable hole (4-1).
6. locking compress bridge system according to claim 1 and Wire/cable contact member inner fixing device, it is characterized in that: described locking compress screw (6) head of a nail partial threads is double thread, adapts with the screw thread of locking compress hole (1-1); Bottom its head of a nail, the pressurization sphere (1-4) of sphere and locking compress hole (1-1) adapts; Its cadre is tapping screw thread, and the pitch of cadre's screw thread is 2-3 times of head of a nail screw thread, and head of a nail end is provided with quincunx transmission groove (6-1).
7. locking compress bridge system according to claim 1 and Wire/cable contact member inner fixing device, it is characterized in that: described lock screw (7) threaded upper ends matches with the screw thread in locking screw thread hole, lower end screw thread is tapping screw thread, lock nut (8) cadre's screw thread matches with pressure bar screwed hole screw thread, and lock screw (7) and lock nut (8) head of a nail end are provided with quincunx transmission groove (7-1,8-1).
8. locking compress bridge system according to claim 1 and 2 and Wire/cable contact member inner fixing device, is characterized in that: described dissection block (3) can be fixed by cable trough (3-1) and skeleton with 1 ~ 3 cable (5).
9. the locking compress bridge system according to claim 1 or 4 and Wire/cable contact member inner fixing device, is characterized in that: described pitman (4) can be fixed by cable hole (4-1) and skeleton with cable (5); Fixed block (2) can be fixed by cable trough (2-1) and skeleton with cable (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520319614.6U CN204698663U (en) | 2015-05-18 | 2015-05-18 | Locking compress bridge system and Wire/cable contact member inner fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520319614.6U CN204698663U (en) | 2015-05-18 | 2015-05-18 | Locking compress bridge system and Wire/cable contact member inner fixing device |
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| CN204698663U true CN204698663U (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520319614.6U Active CN204698663U (en) | 2015-05-18 | 2015-05-18 | Locking compress bridge system and Wire/cable contact member inner fixing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106073880A (en) * | 2016-06-17 | 2016-11-09 | 山东省交通医院 | Periprosthetic plate and fixed structure thereof |
| CN108175491A (en) * | 2018-02-05 | 2018-06-19 | 熊鹰 | A kind of locking power type stent inner fixing device |
| CN108324357A (en) * | 2018-03-14 | 2018-07-27 | 熊鹰 | A kind of minimally invasive drift fixing bracket device |
| CN110916782A (en) * | 2019-12-26 | 2020-03-27 | 天津市威曼生物材料有限公司 | Semi-closed fixing device |
-
2015
- 2015-05-18 CN CN201520319614.6U patent/CN204698663U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106073880A (en) * | 2016-06-17 | 2016-11-09 | 山东省交通医院 | Periprosthetic plate and fixed structure thereof |
| CN108175491A (en) * | 2018-02-05 | 2018-06-19 | 熊鹰 | A kind of locking power type stent inner fixing device |
| CN108324357A (en) * | 2018-03-14 | 2018-07-27 | 熊鹰 | A kind of minimally invasive drift fixing bracket device |
| CN108324357B (en) * | 2018-03-14 | 2024-04-30 | 熊鹰 | Minimally invasive drifting fixed support device |
| CN110916782A (en) * | 2019-12-26 | 2020-03-27 | 天津市威曼生物材料有限公司 | Semi-closed fixing device |
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| C14 | Grant of patent or utility model | ||
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