CN201558158U - Polyether ether ketone external skeletal fixing clamp - Google Patents
Polyether ether ketone external skeletal fixing clamp Download PDFInfo
- Publication number
- CN201558158U CN201558158U CN2009202286915U CN200920228691U CN201558158U CN 201558158 U CN201558158 U CN 201558158U CN 2009202286915 U CN2009202286915 U CN 2009202286915U CN 200920228691 U CN200920228691 U CN 200920228691U CN 201558158 U CN201558158 U CN 201558158U
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- bar cramp
- polyether
- hole
- plate
- ether
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Abstract
A polyether ether ketone external skeletal fixing clamp comprises a needle clamp base (2) and a needle clamp plate (3) matched with each other, a rod clamp base (4) and a rod clamp plate (5) matched with each other, a fixing bolt (7) penetrating through through-holes (6) of the needle clamp base (2), the needle clamp plate (3), the rod clamp base (4) and the rod clamp plate (5), a stop screw (8) for fixing the rear end of the fixing bolt (7), and a pre-locking spring (9) sheathed on the middle part of the fixing bolt (7), wherein the needle clamp base (2), the needle clamp plate (3), the rod clamp base (4), the rod clamp plate (5) and the stop screw (8) are all made of a polyether ether ketone material. The polyether ether ketone external skeletal fixing clamp overcomes the disadvantages of the prior external skeletal fixer, such as inconvenient use, complex assembly, large weight, and less suitable therapeutic parts, and has the advantages of three-dimensional clamping, firm fixation and convenient use.
Description
Technical field
This utility model relates to parts on the bone external fixator, and more particularly it is a kind of polyether-ether-ketone bone external fixation folder.
Background technology
Polyether-ether-ketone (claiming PEEK again) resin is a kind of special engineering plastics of excellent performance, compare with other special engineering plastics and to have many significant advantages, high temperature resistant, mechanical performance is excellent, self lubricity good, chemicals-resistant burn into stable insulation, fire-retardantly, anti-peel off, anti-irradiation, X-ray had good permeability, hydrolysis, easily processing etc.Therefore abroad be used widely in fields such as Aero-Space, automobile making, electronic apparatus, oil exploration, small-sized machine, medical apparatus and instruments, food processings already.These excellent characteristic once made western developed country regard it as important strategic defence and military material China were imposed embargo.
The mechanical performance of polyether-ether-ketone (PEEK) resin is near aluminium alloy, have the elastic modelling quantity close with skeleton, can tolerate the nearly all solvent except that concentrated sulphuric acid, can under high dose gamma-ray irradiation condition, well keep its characteristic, under 180 ℃ hot conditions, still can keep good physics and chemistry and mechanical performance.Therefore the medical product with polyether-ether-ketone (PEEK) resin manufacture can bear the gamma-ray irradiation sterilization, also can be repeatedly through the horizontal high voltage steam sterilization under 134 ℃, 1.5 atmospheric conditions.These characteristics add outside light weight that polyether-ether-ketone (PEEK) resin itself had, the advantage such as nontoxic, corrosion-resistant, still at present and the immediate material of skeleton, excellent biological compatibility are arranged.In medical industry, particularly medical apparatus and instruments and skeleton prosthese manufacture view have special advantages.
Existing bone external fixator exist use inconvenience, install complicated, overall weight is big, adapts to defectives such as therapentic part is few, its basic reason is that the parts design of its connection is simple in structure, thread a needle and fixedly reason such as inconvenience cause.Moreover because existing most of bone external fixators, exist the defective that can not see through X-ray by the metal manufacturing, this defective has had a strong impact on treatment of fractures.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned existing disadvantages of background technology part, and a kind of polyether-ether-ketone bone external fixation folder is provided.
The purpose of this utility model reaches by following measure: polyether-ether-ketone bone external fixation folder, it is characterized in that it comprises the pin holder and the needle splint of mutual coupling, the bar cramp seat and the bar cramp plate of mutual coupling, the pin holder, needle splint, the bar cramp seat, there is through hole at the middle part of bar cramp plate, set bolt passes the pin holder, needle splint, the bar cramp seat, through hole in the bar cramp plate, the rear end of set bolt is fixed by stopping screw, be with pre-lock spring outside the middle part of set bolt, in the through hole of two ends between needle splint and bar cramp plate of pre-lock spring, the recess coupling of pin holder and needle splint forms the pin clip slot, the recess coupling of bar cramp seat and bar cramp plate forms bar cramp groove, described pin holder, needle splint, bar cramp seat and bar cramp plate, stopping screw all adopts the polyetheretherketonematerials materials manufacturing.
In technique scheme, described needle splint and bar cramp plate are the circular configuration that an end is fluted, an end has chucking lug, in the described groove convex tendon are arranged.
In technique scheme, on described needle splint and the bar cramp plate opposite face plane teeth is arranged all.
In technique scheme, the through hole at described pin holder middle part is made up of sphere hole and unthreaded hole.
In technique scheme, in the through hole at described bar cramp seat middle part screw thread is arranged, the tail end of set bolt has external screw thread, female thread on the pin holder and the coupling of the external screw thread on the set bolt.
In technique scheme, the tail end of described set bolt has the shrinkage pool with the stopping screw coupling.
This utility model polyether-ether-ketone bone external fixation anchor clamps have following advantage: 1., because pre-lock spring arranged, the insertion of pin, bar and take out more conveniently, and the location of pin, bar is tight.2., the convex tendon in needle splint and the bar cramp plate groove, help further fastening pin, bar.3., the plane teeth on needle splint and the bar cramp plate opposite face, can mate mutually, thus locking this utility model polyether-ether-ketone bone external fixation folder.4., the female thread coupling on the external screw thread on the set bolt tail end and the pin folder base, help locking this utility model polyether-ether-ketone bone external fixation folder.5., this utility model polyether-ether-ketone bone external fixation folder is easy to use, the location is fastening.6., this utility model can be realized three-dimensional clamping, be the vitals that is used for clamping spicule and connecting rod composition external fixation framework.7., the critical piece polyether-ether-ketone adopts material, can see through X-ray, helps the treatment to fracture patient.8., compare, price has only original about 1/10 with existing all steel fixation clamp.
Description of drawings
Fig. 1 is the structure cut-away view of this utility model polyether-ether-ketone bone external fixation folder.
Fig. 2 is the side diagrammatic sketch of Fig. 1.
Fig. 3 is the structure cut-away view of pin holder in this utility model.
Fig. 4 is the structure cut-away view of needle splint in this utility model.
Fig. 5 is the structure vertical view of Fig. 4.
Fig. 6 is the structure cut-away view of pin holder in this utility model.
Fig. 7 is the structure cut-away view of this utility model king-rod clamping plate.
Fig. 8 is the structure vertical view of Fig. 7.
Fig. 9 is the structure upward view of Fig. 7.
Figure 10 is the structure cut-away view of this utility model king-rod holder.
Figure 11 is the structural representation of set bolt in this utility model.
Figure 12 is the structural representation of retaining hold-down screw in this utility model.
1. chucking lugs among the figure, 2. pin holder, 3. needle splint, 4. bar cramp seat, 5. bar cramp plate, 6. through hole, 7. set bolt, 8. stopping screw is 9. locked spring, 10. pin clip slot in advance, 11. the bar cramp groove, 12. grooves, 13. convex tendons, 14. plane teeth, 15. sphere holes, 16. unthreaded holes, 17. female thread, 18. external screw threads, 19. shrinkage pools.
The specific embodiment
Describe performance of the present utility model in detail below in conjunction with accompanying drawing, but they do not constitute to qualification of the present utility model, simultaneously by illustrating that advantage of the present utility model will become clear more and understands easily.
Consult accompanying drawing as can be known: this utility model polyether-ether-ketone bone external fixation folder, it comprises the pin holder 2 and the needle splint 3 of mutual coupling, the bar cramp seat 4 and the bar cramp plate 5 of mutual coupling, pin holder 2, needle splint 3, bar cramp seat 4, there is through hole 6 at the middle part of bar cramp plate 5, set bolt 7 passes pin holder 2, needle splint 3, bar cramp seat 4, through hole 6 in the bar cramp plate 5, the rear end of set bolt 7 is fixing by stopping screw 8, be with pre-lock spring 9 outside the middle part of set bolt 7, in the through hole 6 of two ends between needle splint 3 and bar cramp plate 5 of pre-lock spring 9, the recess coupling of pin holder 2 and needle splint 3 forms pin clip slot 10, the recess coupling of bar cramp seat 4 and bar cramp plate 5 forms bar cramp groove 11, described pin holder 2, needle splint 3, bar cramp seat 4 and bar cramp plate 5, stopping screw 8 all adopts the polyetheretherketonematerials materials manufacturing (as Fig. 1, shown in Figure 2).
Needle splint 3 and bar cramp plate 5 are the circular configuration that fluted 12, one end of an end has chucking lug 1, in the described groove 12 convex tendon 13 are arranged, and plane teeth 14 (as Fig. 1, Fig. 4, Fig. 5, Fig. 7, Fig. 8, shown in Figure 9) is all arranged on needle splint 3 and bar cramp plate 5 opposite faces.
The through hole at pin holder 2 middle parts is formed (as shown in Figure 3) by sphere hole 15 and unthreaded hole 16.
In the through hole at bar cramp seat 4 middle parts screw thread 17 is arranged, the tail end of set bolt 7 has external screw thread 18, female thread 17 on the pin holder 2 and 18 couplings of the external screw thread on the set bolt 7, the tail end of set bolt 7 has the shrinkage pool 19 (as Figure 10, Figure 11, shown in Figure 12) with stopping screw 8 couplings.
Need to prove: to those of ordinary skill in the art, under the prerequisite that does not change this utility model principle, can also make suitable improvement and distortion to this utility model, this belongs to protection domain of the present utility model equally.
Claims (6)
1. polyether-ether-ketone bone external fixation presss from both sides, it is characterized in that it comprises the pin holder (2) and the needle splint (3) of mutual coupling, the bar cramp seat (4) and the bar cramp plate (5) of mutual coupling, pin holder (2), needle splint (3), bar cramp seat (4), there is through hole (6) at the middle part of bar cramp plate (5), set bolt (7) passes pin holder (2), needle splint (3), bar cramp seat (4), through hole (6) in the bar cramp plate (5), the rear end of set bolt (7) is fixing by stopping screw (8), be with pre-lock spring (9) outside the middle part of set bolt (7), the two ends of pre-lock spring (9) are positioned at the through hole (6) between needle splint (3) and the bar cramp plate (5), the recess coupling of pin holder (2) and needle splint (3) forms pin clip slot (10), the recess coupling of bar cramp seat (4) and bar cramp plate (5) forms bar cramp groove (11), described pin holder (2), needle splint (3), bar cramp seat (4), bar cramp plate (5) and stopping screw (8) all adopt the polyetheretherketonematerials materials manufacturing.
2. polyether-ether-ketone bone external fixation according to claim 1 folder is characterized in that needle splint (3) and bar cramp plate (5) are the circular configuration that an end fluted (12), an end have chucking lug (1), have convex tendon (13) in the described groove (12).
3. polyether-ether-ketone bone external fixation folder according to claim 1 is characterized in that the through hole at described pin holder (2) middle part is made up of sphere hole (15) and unthreaded hole (16).
4. polyether-ether-ketone bone external fixation folder according to claim 1, it is characterized in that in the through hole at described bar cramp seat (4) middle part screw thread (17) being arranged, the tail end of set bolt (7) has external screw thread (18), external screw thread (18) coupling on female thread (17) on the pin holder (2) and the set bolt (7).
5. polyether-ether-ketone bone external fixation folder according to claim 1 is characterized in that the tail end of described set bolt (7) has the shrinkage pool (19) that mates with stopping screw (8).
6. polyether-ether-ketone bone external fixation folder according to claim 1 and 2 is characterized in that on described needle splint (3) and bar cramp plate (5) opposite face plane teeth (14) being arranged all.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202286915U CN201558158U (en) | 2009-09-29 | 2009-09-29 | Polyether ether ketone external skeletal fixing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202286915U CN201558158U (en) | 2009-09-29 | 2009-09-29 | Polyether ether ketone external skeletal fixing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201558158U true CN201558158U (en) | 2010-08-25 |
Family
ID=42623302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202286915U Expired - Lifetime CN201558158U (en) | 2009-09-29 | 2009-09-29 | Polyether ether ketone external skeletal fixing clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201558158U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105943141A (en) * | 2016-06-09 | 2016-09-21 | 苏州爱得科技发展股份有限公司 | Medical macromolecular extraosseous fixing device |
| WO2017071105A1 (en) * | 2015-10-27 | 2017-05-04 | 马克 | External fixation locking device |
| CN113950299A (en) * | 2019-05-27 | 2022-01-18 | 奥叟菲克斯公司 | Quick attach clamp for external fixation system |
-
2009
- 2009-09-29 CN CN2009202286915U patent/CN201558158U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017071105A1 (en) * | 2015-10-27 | 2017-05-04 | 马克 | External fixation locking device |
| CN105943141A (en) * | 2016-06-09 | 2016-09-21 | 苏州爱得科技发展股份有限公司 | Medical macromolecular extraosseous fixing device |
| CN105943141B (en) * | 2016-06-09 | 2018-07-10 | 苏州爱得科技发展股份有限公司 | A kind of medical high polymer bone external fixation device |
| CN113950299A (en) * | 2019-05-27 | 2022-01-18 | 奥叟菲克斯公司 | Quick attach clamp for external fixation system |
| CN113950299B (en) * | 2019-05-27 | 2024-02-09 | 奥叟菲克斯公司 | Quick attach clamp for external fixation systems |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100825 |
|
| CX01 | Expiry of patent term |