CN215228315U - Guide fixing system for orthopedic surgery - Google Patents
Guide fixing system for orthopedic surgery Download PDFInfo
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- CN215228315U CN215228315U CN202120203663.9U CN202120203663U CN215228315U CN 215228315 U CN215228315 U CN 215228315U CN 202120203663 U CN202120203663 U CN 202120203663U CN 215228315 U CN215228315 U CN 215228315U
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- plate
- guide
- locking screw
- telescopic
- universal
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- 238000001356 surgical procedure Methods 0.000 title claims abstract description 17
- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 28
- 230000001054 cortical effect Effects 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 208000010392 Bone Fractures Diseases 0.000 description 13
- 206010017076 Fracture Diseases 0.000 description 13
- 230000035876 healing Effects 0.000 description 5
- 230000017531 blood circulation Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000024779 Comminuted Fractures Diseases 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 206010017088 Fracture nonunion Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
- 231100000827 tissue damage Toxicity 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model provides a guiding and fixing system for orthopedic surgery, which solves the technical problems that the fixation of a steel plate is unstable and the fixation of lateral cortical bones is difficult due to inaccurate screw placement position in the orthopedic surgery, the fixing device is provided with an auxiliary connecting steel plate, a fixing plate and locking screws matched with the auxiliary connecting steel plate and the fixing plate, a plurality of universal locking screw holes are formed in the auxiliary connecting steel plate, the fixing plate is arranged on the front face of the auxiliary connecting steel plate, the fixing plate is provided with a middle body and side wings fixed at the left end and the right end of the middle body, a locking combination hole is formed in the central portion of the middle body and formed by intersecting two threaded through holes, universal locking screw holes are also formed in the side wings, the universal locking screw holes are formed in one or more through the guiding device, and the guiding device is provided with a positioning plate and a guiding sleeve. The utility model can be widely applied to the technical field of medical instruments.
Description
Technical Field
The application belongs to the technical field of medical instruments, and particularly relates to a guide fixing system for orthopedic surgery.
Background
The fracture is usually fixed by steel plates or intramedullary nails in clinic, however, the open comminuted fracture has serious injury, serious muscle soft tissue damage and serious comminuted fracture blood circulation damage, and the fracture healing is seriously affected by further damaging the intramedullary blood circulation at the fracture end by the intramedullary nails, so that the delayed bone healing and even bone nonunion are caused. Therefore, steel plates are often selected to fix fracture ends in clinic, but comminuted large bone blocks or wedge-shaped bone blocks are conventionally bundled by steel wires or fixed by lag screws, but the problems of more soft tissue stripping, large blood circulation damage, insufficient stability and the like exist, and the problems of internal fixation failure, fracture nonunion and the like easily occur. When the steel plate is fixed by the fixing mode, the steel plate is often fixed on the cortical bone on one side, so that the fixation is not firm and stable mechanically, even if the screw is used for fixing the cortical bone on the side, the fixation is not stable due to inaccurate placement position, and finally the internal fixation operation fails.
Disclosure of Invention
The utility model discloses just for solve above-mentioned background art not enough, provide a direction fixing system for bone surgery, this direction fixing system can increase the fixed fracture end stability of steel sheet, can select the most suitable screw according to different individual fracture characteristics again and put into the position, reaches the fixed of offside cortex bone.
Therefore, the utility model provides a direction fixing system for bone surgery, be equipped with fixing device and guider, fixing device is equipped with supplementary steel attach fitting, the fixed plate and with supplementary steel attach fitting, fixed plate complex locking screw, be equipped with a plurality of universal locking screws on the supplementary steel attach fitting, supplementary steel attach fitting's positive surface connection fixed plate, the fixed plate is equipped with the midbody and fixes the flank at both ends about the midbody, the central point of midbody is equipped with the locking joint hole, the locking joint hole is crossed by two screw through-holes and forms, be equipped with universal locking screw on the flank, universal locking screw is seted up through guider and is one or more, guider is equipped with locating plate and guide sleeve.
Preferably, the locking screw is divided into a rectangular thread section, a conical thread section and a triangular thread section from top to bottom in sequence, the triangular thread section is inserted into the cortical bone, the conical thread section is matched with the inner thread of the universal locking threaded hole of the auxiliary connecting steel plate, and the rectangular thread section is matched with the inner thread of the locking combination hole of the fixed connecting plate.
Preferably, both side surfaces of the auxiliary connecting steel plate and both front and rear side surfaces of the intermediate body are micro-arc surfaces. Preferably, the universal locking screw hole on the side wing is matched with a universal locking screw, and the universal locking screw is inserted in a cross type triangular fixing mode.
Preferably, the positioning plate is provided with a long telescopic plate and an arched short plate perpendicular to the long telescopic plate.
Preferably, flexible long slab is equipped with first expansion plate and second expansion plate, and the inside flexible chamber that is equipped with of first expansion plate, second expansion plate are located flexible intracavity one end and are equipped with the limiting plate, and the inside of first expansion plate is equipped with the recess, and the connecting portion of first expansion plate and second expansion plate is equipped with the friction pad.
Preferably, the middle of the arched short plate is provided with a sliding groove, the two sides of the sliding groove are provided with scales, a guide screw hole block is arranged in the sliding groove, and the two sides of the guide screw hole block are clamped and connected with the sliding groove.
Preferably, the center of the guide screw hole block is provided with a universal guide hole, and the universal guide hole is matched with the guide sleeve.
Preferably, the guide sleeve is divided into a guide rod and a connecting sleeve, the connecting sleeve is arranged at the top end of the guide rod, and the bottom end of the guide rod is provided with a tapered thread.
The utility model has the advantages that:
(1) the utility model relates to a rationally, simple structure is equipped with fixing device and guider, and fixing device is equipped with supplementary connecting steel plate, fixed plate and locking screw, and locking screw passes on locking combination hole on the fixed plate and the supplementary connecting steel plate universal locking screw for supplementary steel plate reaches strong internal fixation, promotes fracture end healing with higher speed.
(2) The utility model discloses utilize guider to set up one or more universal locking screw on the flank of fixed plate, guider is equipped with locating plate and guide sleeve, the locating plate is equipped with flexible long slab and arch short slab, the length of flexible long slab is adjusted according to the diameter of cortex bone, arch short slab and the cooperation of guide sleeve, can adjust the position of setting up of universal locking screw on the flank, can select the most suitable orientation of putting into according to the individual fracture characteristics of difference when having confirmed the operation, reach the fixed of offside cortex bone.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the fixing device of the present invention;
fig. 3 is a schematic structural view of the locking screw of the present invention;
fig. 4 is a schematic structural view of the locking screw and the universal locking screw fixing method of the present invention.
Fig. 5 is a schematic structural view of the guiding device of the present invention;
fig. 6 is a schematic structural view of the telescopic long plate of the present invention.
The symbols in the drawings illustrate that:
1. a fixing device; 2. a guide device; 3. auxiliary connecting steel plates; 4. a fixing plate; 41. an intermediate; 42. a side wing; 5. a locking screw; 6. a universal locking screw hole; 7. a locking coupling hole; 8. a rectangular thread section; 9. a tapered thread segment; 10. a triangular thread section; 11. a universal locking screw; 12. positioning a plate; 13. a guide sleeve; 14. a guide bar; 15. a connecting sleeve; 16. a telescopic long plate; 17. an arched short plate; 18. a first expansion plate; 19. a second expansion plate; 20. a chute; 21. a guide screw hole block; 22. a universal guide hole; 23. a limiting plate; 24. a groove; 25. a telescoping chamber.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus should not be construed as limiting the present application. Further, in the description of the present application, "a plurality" means two or more unless specifically defined otherwise.
The utility model provides a direction fixing system for bone surgery, as shown in fig. 1-2, it is equipped with fixing device 1 and guider 2, fixing device 1 is equipped with supplementary connector plate 3, fixed plate 4 and locking screw 5, supplementary connector plate 3 is the cuboid, be equipped with a plurality of universal locking screw 6 on the supplementary connector plate 3, supplementary connector plate 3 positive surface connection fixed plate 4, fixed plate 4 is equipped with midbody 41, both ends fixed connection flank 42 about midbody 41, and midbody 41 and two flanks 42 are the integrated into one piece structure. The intermediate body 41 is an arched cuboid, the front side surface and the rear side surface of the intermediate body 41 and the left side surface and the right side surface of the auxiliary connecting steel plate 3 are micro-arc surfaces, so that the intermediate body 41 is in close contact with the auxiliary connecting steel plate 3, and the fixing plate 4 can slide relative to the auxiliary connecting steel plate 3. The locking combination hole 7 is arranged at the central part of the middle body 41, the locking combination hole 7 is formed by intersecting two threaded through holes, and by moving the position of the fixing plate 4 on the auxiliary connecting steel plate 3, the locking combination hole 7 can be aligned with the universal locking screw hole 6 on the auxiliary connecting steel plate 3, so that the locking screw 5 can be conveniently matched with the locking combination hole 7 and the universal locking screw hole 6.
As shown in fig. 3, the locking screw 5 is sequentially divided into a rectangular thread section 8, a tapered thread section 9 and a triangular thread section 10 from top to bottom, the triangular thread section 10 is inserted into the cortical bone, the tapered thread section 9 is matched with the internal thread of the universal locking screw hole 6 of the auxiliary connecting steel plate 3, and the rectangular thread section 8 is matched with the internal thread of the locking combination hole 7 of the fixing plate 4, so that the auxiliary connecting steel plate 3 is fixed on the cortical bone.
In order to accurately place the universal locking screw 11 into the lateral cortical bone, one or more universal locking screw holes 6 may be formed on the lateral wing of the fixing plate 4 by the guide device 2, as shown in fig. 4, and the universal locking screw 11 is engaged with the universal locking screw holes 6 in a "cross" type triangular fixing manner. By the design, on one hand, the fixation of the universal locking screw 6 to the lateral cortical bone can be realized, on the other hand, the internal fixation of the auxiliary connecting steel plate 3 can be enhanced, and the healing of the fractured end is further accelerated and promoted.
As shown in fig. 5, the guiding device 2 is provided with a positioning plate 12 and a guiding sleeve 13, the guiding sleeve 13 is divided into a guiding rod 14 and a connecting sleeve 15, and the connecting sleeve 15 is arranged at the top end of the guiding rod 14 and used for connecting an electric drill; the bottom end of the guide rod 14 is provided with a tapered thread for opening the universal locking screw hole 6 in the side wing 42 of the fixing plate 4.
Furthermore, the positioning plate 12 is L-shaped and is divided into a long telescopic plate 16 with adjustable length and an arched short plate 17 perpendicular to the long telescopic plate, and the length of the long telescopic plate 16 is 1.0cm-4.0 cm. Specifically, as shown in fig. 6, the telescopic long plate 16 is provided with a first telescopic plate 18 and a second telescopic plate 19, a telescopic cavity 25 is arranged inside the first telescopic plate 18, a limiting plate 23 is arranged at one end of the second telescopic plate 19 located in the telescopic cavity 25, so that the position of the second telescopic plate 18 is limited, the second telescopic plate 19 is prevented from being separated from the first telescopic plate 18, a groove 24 is arranged inside the first telescopic plate 18, and the second telescopic plate 19 can move in the telescopic cavity 25 conveniently, so that the second telescopic plate can be stretched. In addition, the connection portion of the first and second telescopic plates 18 and 19 is provided with a friction pad for increasing the frictional force between the first and second telescopic plates 18 and 19.
Furthermore, the middle of the arched short plate 17 is provided with a sliding groove 20, and the two sides of the sliding groove 20 are provided with scales which are respectively 2, 6, 10, 14, 18 and 22, and the scale unit is mm. Be equipped with direction screw hole piece 21 in the spout 20, the both sides of direction screw hole piece 21 with spout 20 card and be connected, direction screw hole piece 21 can slide from top to bottom along spout 20. The center of the guide screw hole block 21 is provided with a universal guide hole 22, the universal guide hole 22 is matched with the guide sleeve 13, and the diameter of the universal guide hole 22 is slightly larger than that of the guide rod 14, so that the guide rod 14 can rotate in the universal guide hole conveniently. Through the cooperation of guide sleeve 13, locating plate 12 and fixed plate 4, the user can select the most suitable direction of putting into according to the fracture characteristics of different individualities, adjusts the angle that universal locking screw 11 put into side cortex bone, reaches the purpose of accurate implantation.
The utility model discloses a theory of operation does:
the auxiliary connecting steel plate 3 is placed at the fracture end of the cortical bone, the position of the fixing plate 4 on the auxiliary connecting steel plate 1 is adjusted, the locking screw 5 is inserted into the locking combination hole 7 and penetrates through the universal locking screw hole 6 on the auxiliary connecting steel plate 3 to be inserted into the cortical bone, and the auxiliary connecting steel plate 3 is fixedly connected with the cortical bone. According to the diameter of the cortical bone, the length of the telescopic long plate 16 is adjusted, the guide sleeve 13 is inserted into the guide screw hole block 21, the guide sleeve 13 is moved along the sliding groove 20 to be aligned with the position where the universal locking screw 11 needs to be implanted, one or more universal locking screw holes 6 are formed in the side wing 42 of the guide sleeve 13, after the universal locking screw 11 is formed, the universal locking screw 11 is inserted into the universal locking screw hole 6 and is inserted into the lateral cortical bone, on one hand, the most appropriate screw inserting position is selected according to the fracture characteristics of different individuals, and accurate fixation of the lateral cortical bone is achieved; on the other hand, the stability of the auxiliary connecting steel plate 3 at the fracture end is increased, so that the auxiliary connecting steel plate 3 can achieve strong internal fixation, and the healing of the fracture end is accelerated.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (9)
1. The utility model provides a direction fixing system for bone surgery, is equipped with fixing device and guider, characterized by, fixing device be equipped with supplementary steel connecting plate, fixed plate and with supplementary steel connecting plate, fixed plate complex locking screw, be equipped with a plurality of universal locking screw holes on the supplementary steel connecting plate, supplementary steel connecting plate's positive surface connection fixed plate, the fixed plate is equipped with the midbody and fixes the flank at both ends about the midbody, the central point of midbody is equipped with the locking joint hole, the locking joint hole is crossed by two threaded through-holes and forms, be equipped with universal locking screw hole on the flank, universal locking screw hole is seted up as one or more through guider, guider is equipped with locating plate and guide sleeve.
2. The guide fixing system for orthopedic surgery according to claim 1, wherein the locking screw is divided into a rectangular thread section, a tapered thread section and a triangular thread section in sequence from top to bottom, the triangular thread section is inserted into the cortical bone, the tapered thread section is engaged with the inner thread of the universal locking screw hole of the auxiliary connection steel plate, and the rectangular thread section is engaged with the inner thread of the locking coupling hole of the fixing connection plate.
3. The guide fixing system for orthopedic surgery according to claim 2, wherein both side surfaces of the auxiliary connecting steel plate and both front and rear side surfaces of the intermediate body are micro-arc surfaces.
4. The guiding fixation system for orthopedic surgery according to claim 1, characterized in that the universal locking screw hole on the side wing cooperates with a universal locking screw inserted in a "cross" type triangular fixation.
5. The guide fixing system for orthopedic surgery according to claim 1, characterized in that the positioning plate is provided with a long telescopic plate and a short arched plate perpendicular to the long telescopic plate.
6. The guiding and fixing system for orthopedic surgery according to claim 5, characterized in that the telescopic long plate is provided with a first telescopic plate and a second telescopic plate, a telescopic cavity is arranged inside the first telescopic plate, a limiting plate is arranged at one end of the second telescopic plate, which is located inside the telescopic cavity, a groove is arranged inside the first telescopic plate, and a friction pad is arranged at the connecting part of the first telescopic plate and the second telescopic plate.
7. The guiding and fixing system for orthopedic surgery according to claim 6, characterized in that a sliding groove is arranged in the middle of the arched short plate, scales are arranged on two sides of the sliding groove, a guiding screw hole block is arranged in the sliding groove, and two sides of the guiding screw hole block are clamped and connected with the sliding groove.
8. The guide fixation system for bone surgery as recited in claim 7, wherein the guide screw block is centrally provided with a universal guide hole, the universal guide hole being engaged with the guide sleeve.
9. The guide fixation system for orthopedic surgery of claim 8, wherein the guide sleeve is divided into a guide rod and a connection sleeve, the connection sleeve is provided at the top end of the guide rod, and the bottom end of the guide rod is provided with a tapered thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120203663.9U CN215228315U (en) | 2021-01-25 | 2021-01-25 | Guide fixing system for orthopedic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120203663.9U CN215228315U (en) | 2021-01-25 | 2021-01-25 | Guide fixing system for orthopedic surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215228315U true CN215228315U (en) | 2021-12-21 |
Family
ID=79499532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120203663.9U Active CN215228315U (en) | 2021-01-25 | 2021-01-25 | Guide fixing system for orthopedic surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215228315U (en) |
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2021
- 2021-01-25 CN CN202120203663.9U patent/CN215228315U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231023 Address after: No. 31 Shengli West Road, Yingtan City, Jiangxi Province, 335099 Patentee after: YINGTAN CITY PEOPLE S Hospital Address before: 335000 No. 4, Hudong Road, Yuehu District, Yingtan City, Jiangxi Province Patentee before: Zhao Min |
|
| TR01 | Transfer of patent right |