CN204931822U - Locking compress bridge joining composite internal fixation system - Google Patents
Locking compress bridge joining composite internal fixation system Download PDFInfo
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- CN204931822U CN204931822U CN201520322049.9U CN201520322049U CN204931822U CN 204931822 U CN204931822 U CN 204931822U CN 201520322049 U CN201520322049 U CN 201520322049U CN 204931822 U CN204931822 U CN 204931822U
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- internal fixation
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Abstract
This utility model locking compress bridge joining composite internal fixation system, that one treats human fracture, by the bridge joining composite internal fixation system resetted, connect, fix, mainly comprise locking compress fixed block (1), lock screw (2), hold-down screw (3), the rod that is threaded (4) and locking fixed block (5).Locking compress fixed block inside is provided with two screwed holes (6) and two locking compress holes (7), locking fixed block inside is provided with two screwed holes (6) and a lock hole (8), wherein screwed hole forms rigid rack body with excellent cooperation that be threaded, locking compress hole (7), according to patients with fractures's situation, can select lock screw (2) or hold-down screw (3) to carry out replacement and fixation.This utility model locking compress fixed block (1), locking fixed block (5) and adopt to be threaded between the rod that is threaded (4) and coordinate, fixation is reliable, can effectively prevent loosening slippage, the use of locking compress hole (7) simultaneously, can prevent from occurring to loosen in fracture healing process, the accelerating bone healing time, thus guarantee successful surgery, reduce patient suffering.
Description
Technical field
This utility model belongs to orthopedic fixation device tool technical field, is a kind of locking compress bridge joining composite inner fixing device for the treatment of under the various fracture condition of human body, belongs to medical apparatus and instruments.
Background technology
People are subject to unexpected injury unavoidably and cause human body to be fractured in life, in order to avoid leaving deformity, the normal life of impact, medical science and technology research staff develops the multiple product being applicable to the different parts reduction of the fracture, domestic and international orthopaedics internal fixtion implant is mainly with steel plate at present, intramedullary pin, straight type, pressing type and dissection type bone fracture plate, various self-locking and interlocking type intramedullary pin, the series of products such as exterior fixation bracket are main, but these inner fixing devices all Shortcomings, the operation of blade plate product needs open reduction to fix, peel off periosteum, there is the problem that stress shielding and stress are concentrated, have a strong impact on knitting, the operation of intramedullary pin product is complicated, once operation interlocking is inaccurate, operation will be difficult to carry out, and exterior fixation bracket is often because postoperative infection usually can not as termination fixture.
This utility model locking compress bridge joining composite internal fixation system, for the deficiencies in the prior art, provides a kind of new methods of internal fixation, its structural design is simple, easy to operate, contributes to overcoming stress shielding and problem of stress concentration, be conducive to osteogenesis and healing, reach good fixed effect.
Summary of the invention
The purpose of this utility model is the deficiency for traditional product technology, and common bridge joining composite internal fixation system existence locking is insecure, easily there is slippage in connecting portion, occur loosening slippage, cause the problems such as operative failure, provide a kind of for the locking compress bridge joining composite internal fixation system under the various fracture condition of human body, this system in combination is various informative, be applicable to different fracture condition, and adopt threaded engagement, make bridge joining composite internal fixation system more solid and reliable.The use in locking forcing screw hole can the accelerating bone healing time, thus guarantee successful surgery, reduces patient suffering.
Technology solution of the present utility model is as follows:
Locking compress bridge joining composite internal fixation system mainly comprises locking compress fixed block, lock screw, hold-down screw, be threaded rod and locking fixed block.According to human fracture's situation, multiple locking compress fixed block, lock screw, hold-down screw, locking fixed block and the rod that is threaded can be selected to combinationally use.
Described locking compress fixed block inside is provided with two screwed holes and two locking compress holes, and locking fixed block inside is provided with two screwed holes and a lock hole.
Described screwed hole is the helix of large pitch, and cross section is semicircular arc-shaped; Lock hole and lock screw with the use of; Locking compress hole is combined by lock hole and pressurization hole, according to patients with fractures's situation, lock screw or hold-down screw can be selected to carry out replacement and fixation, substantially increase the scope of application of locking compress bridge joining composite internal fixation system.
The described excellent outer surface thread that is threaded is the helix of large pitch, and cross section is semicircular arc-shaped screw thread, coordinates form rigid rack body with the screwed hole of locking compress fixed block, and fixing robust, can effectively prevent loosening slippage.
The beneficial effects of the utility model are:
1. reasonable in design, the compact conformation of locking compress bridge joining composite internal fixation system, operation technique is simple and convenient, contributes to overcoming stress shielding and problem of stress concentration, enhances the stability of biomechanics, is conducive to osteogenesis and healing.Medical worker can, according to human fracture's situation, can select multiple locking compress fixed block, lock screw, hold-down screw, locking fixed block and the rod that is threaded to combinationally use.
2. the locking compress fixed block in locking compress bridge joining composite internal fixation system, be threaded rod and locking fixed block, screw thread adopts the helix of large pitch, cross section is semicircular arc-shaped, this threaded engagement form, not only outer surface is attractive in appearance, and coordinates the rigid rack body formed, solid and reliable, can effectively prevent loosening slippage, clinical effectiveness is better.
3. the locking compress hole in locking compress bridge joining composite internal fixation system, lock screw or hold-down screw can be selected according to the dissimilar fracture of patient in operation process, can prevent from occurring to loosen in fracture healing process, increase the reliability of fracture fixation, make Fracture internal fixaiion apparatus more reliable, the accelerating bone healing time, thus guarantee successful surgery, reduce patient suffering.
Accompanying drawing explanation
Fig. 1 is assembling using state schematic diagram of the present utility model;
Fig. 2 is locking compress fixed block front view;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the B-B sectional view of Fig. 2;
Fig. 5 is the topology view of lock screw;
Fig. 6 is the topology view of hold-down screw;
Fig. 7 is be threaded excellent structural front view and left view;
Fig. 8 is the front view of locking fixed block;
Fig. 9 is the C-C sectional view of Fig. 8;
Detailed description of the invention:
Below in conjunction with accompanying drawing, this utility model is further described; but never in any form this utility model is limited; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
As shown in Figure 1, locking compress bridge joining composite internal fixation system, that one treats human fracture, by the bridge joining composite internal fixation system resetted, connect, fix, mainly comprise locking compress fixed block (1), lock screw (2), hold-down screw (3), the rod that is threaded (4) and locking fixed block (5).According to human fracture's situation, multiple locking compress fixed block, lock screw, hold-down screw, locking fixed block and the rod that is threaded can be selected to combinationally use.
As shown in Figure 2, locking compress fixed block (1) inside is provided with two screwed holes (6) and two locking compress holes (7), and described screwed hole is the helix of large pitch, and cross section is semicircular arc-shaped; Fig. 3 is the A-A sectional view of locking compress fixed block; Fig. 4 is the B-B sectional view of locking compress fixed block; Locking compress hole (7) is combined by lock hole and pressurization hole, when the reduction of the fracture is fixed, selects lock screw or hold-down screw to coordinate fixing, substantially increases the scope of application of locking compress bridge joining composite internal fixation system.
Fig. 5 is the topology view of lock screw (2), and Fig. 6 is the topology view of hold-down screw (3).
As shown in Figure 7, the rod that is threaded (4) outer surface thread is the helix of large pitch, and cross section is semicircular arc-shaped screw thread, coordinates form rigid rack body with the screwed hole of locking compress fixed block, and fixing robust, can effectively prevent loosening slippage.
As shown in Figure 8, lock fixed block inside and be provided with two screwed holes (6) and a lock hole (8).Fig. 9 is the C-C sectional view of locking fixed block, wherein lock hole and lock screw with the use of;
Described locking compress bridge joining composite internal fixation system is pure titanium or titanium alloy material.
Operation principle of the present utility model and feature:
Locking compress bridge joining composite internal fixation system is according to the principle of Mechanics of Machinery, biomechanics, and reasonable in design is compact, adopts the rigid rack body of be threaded cooperation, formation, solid and reliable, can effectively prevent loosening slippage; The use in locking compress hole simultaneously, can prevent from occurring to loosen in fracture healing process, increase the reliability of fracture fixation, the accelerating bone healing time, thus guarantee successful surgery, reduce patient suffering.
Claims (4)
1. a locking compress bridge joining composite internal fixation system, that one treats human fracture, by the bridge joining composite internal fixation system resetted, connect, fix, comprise locking compress fixed block (1), lock screw (2), hold-down screw (3), the rod that is threaded (4) and locking fixed block (5), it is characterized in that locking compress fixed block inside is provided with two screwed holes (6) and two locking compress holes (7), locking fixed block inside is provided with two screwed holes (6) and a lock hole (8).
2. locking compress bridge joining composite internal fixation system according to claim 1, is characterized in that the helix that screwed hole (6) is large pitch, and cross section is semicircular arc-shaped; Lock hole (8) and lock screw (2) with the use of; Locking compress hole (7) is combined by lock hole and pressurization hole, according to patients with fractures's situation, lock screw (2) or hold-down screw (3) can be selected to carry out replacement and fixation, substantially increase the scope of application of locking compress bridge joining composite internal fixation system.
3. locking compress bridge joining composite internal fixation system according to claim 1, rod (4) outer surface thread that it is characterized in that being threaded is the helix of large pitch, cross section is semicircular arc-shaped screw thread, coordinate with the screwed hole of locking compress fixed block (1) and form rigid rack body, fixation is reliable, can effectively prevent loosening slippage.
4. locking compress bridge joining composite internal fixation system according to claim 1, is characterized in that, according to human fracture's situation, multiple locking compress fixed block, lock screw, hold-down screw, locking fixed block and the rod that is threaded can being selected to combinationally use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520322049.9U CN204931822U (en) | 2015-05-18 | 2015-05-18 | Locking compress bridge joining composite internal fixation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520322049.9U CN204931822U (en) | 2015-05-18 | 2015-05-18 | Locking compress bridge joining composite internal fixation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204931822U true CN204931822U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520322049.9U Active CN204931822U (en) | 2015-05-18 | 2015-05-18 | Locking compress bridge joining composite internal fixation system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108175491A (en) * | 2018-02-05 | 2018-06-19 | 熊鹰 | A kind of locking power type stent inner fixing device |
| CN112220543A (en) * | 2020-10-20 | 2021-01-15 | 常州市肿瘤医院 | Point contact bridging combination formula internal fixation system |
| CN113317857A (en) * | 2020-02-28 | 2021-08-31 | 西安市中心医院 | Assembled adjustable clavicle fixing device with resetting function and use method thereof |
| CN115486912A (en) * | 2021-06-17 | 2022-12-20 | 天津市威曼生物材料有限公司 | Quick positioning and fixing instrument |
-
2015
- 2015-05-18 CN CN201520322049.9U patent/CN204931822U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108175491A (en) * | 2018-02-05 | 2018-06-19 | 熊鹰 | A kind of locking power type stent inner fixing device |
| CN113317857A (en) * | 2020-02-28 | 2021-08-31 | 西安市中心医院 | Assembled adjustable clavicle fixing device with resetting function and use method thereof |
| CN112220543A (en) * | 2020-10-20 | 2021-01-15 | 常州市肿瘤医院 | Point contact bridging combination formula internal fixation system |
| CN115486912A (en) * | 2021-06-17 | 2022-12-20 | 天津市威曼生物材料有限公司 | Quick positioning and fixing instrument |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |