CN103800060B - A kind of spinal column is fixing with the horizontal connected device of low incisura - Google Patents
A kind of spinal column is fixing with the horizontal connected device of low incisura Download PDFInfo
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- CN103800060B CN103800060B CN201410040124.2A CN201410040124A CN103800060B CN 103800060 B CN103800060 B CN 103800060B CN 201410040124 A CN201410040124 A CN 201410040124A CN 103800060 B CN103800060 B CN 103800060B
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- China
- Prior art keywords
- hook
- groove
- connecting rod
- connected device
- translot
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7049—Connectors, not bearing on the vertebrae, for linking longitudinal elements together
Abstract
Spinal column of the present invention is fixing with the horizontal connected device of low incisura, comprise hook left 1, hook right 2, sunk screw 3, tranverse connecting rod 4, described hook left with link up with right become symmetrical structure, transverse arm is provided with above it, translot is provided with below transverse arm, the bottom land of translot is provided with tranverse connecting rod groove, two hooks are connected for inserting tranverse connecting rod, the below of translot is provided with the groove vertical with the bearing of trend of tranverse connecting rod groove, for catching on the nail rod 5 of spine fixator, hook is left is provided with countersunk screw hole with hook upper right, for screwing in sunk screw locking tranverse connecting rod, vertical or the through transverse arm that tilts of countersunk screw hole, translot, and the sidewall in groove opening direction, and pass through mutually at its bearing of trend and nail rod, produced to win coordinated and locking nail is excellent for making sunk screw and nail rod, spinal column of the present invention is fixing with the horizontal connected device of low incisura, change the locking mode of current horizontal connected device, and reduce the height of horizontal connected device, thus reduce the stitching difficulty of operation, reduce the foreign body sensation after operation in patients.
Description
Technical field
The present invention relates to orthopedic medical device field.
Background technology
At present, in spinal operation, conventional spine fixator adds horizontal connected device and is fixed treatment to spinal column, described horizontal connected device comprises hook two, the below of described hook is provided with the nail rod that groove catches on spine fixator, tranverse connecting rod groove is provided with the direction of groove vertical on described groove, insert tranverse connecting rod in described tranverse connecting rod groove and connect described two hooks, above described tranverse connecting rod groove, be provided with clamping screw, and exert all one's strength from top to bottom described tranverse connecting rod followed closely excellent locking with described.Patent of invention CN201110208678.5 discloses a kind of spinal fixture transverse connector, it comprises two decks, two clamping screws, a tranverse connecting rod, described each deck is provided with the draw-in groove that Open Side Down and is stuck on nail rod, vertically with the bearing of trend of draw-in groove above draw-in groove be provided with through tranverse connecting rod groove, described tranverse connecting rod groove inserts tranverse connecting rod and connects two decks, and described each deck top is provided with the clamping screw of the described tranverse connecting rod of locking and nail rod.In sum, current published horizontal connected device, the position of its clamping screw is many on tranverse connecting rod and entirety is higher, and such structure adds the stitching difficulty of operation, and makes patient back foreign body sensation stronger.
Summary of the invention
The invention discloses the fixing horizontal connected device of low incisura of a kind of spinal column, it comprises hook the first from left, right one of hook, sunk screw two, tranverse connecting rod one, nail rod two.
The top on a described hook left side is provided with transverse arm, translot is provided with below described transverse arm, the bottom land of described translot is provided with the tranverse connecting rod groove parallel with bottom land, the below of described translot is provided with the groove vertical with the bearing of trend of described tranverse connecting rod groove, described groove is used for catching on nail rod, a described hook left side is provided with countersunk screw hole, described countersunk screw hole is for screwing in described sunk screw, vertical or the through described transverse arm that tilts of described countersunk screw hole, translot, and the sidewall in described groove opening direction, described countersunk screw hole passes through mutually at its bearing of trend and described nail rod, produced to win for making described sunk screw and coordinate with described rod of following closely and lock described rod of following closely, the part of the through transverse arm in upper end of described countersunk screw hole is provided with cone shaped countersink, the part of the lower end passing-through groove opening direction sidewall of described countersunk screw hole is provided with female thread.
Described hook right left with described hook become symmetrical structure.
Spinal column of the present invention is fixing with the horizontal connected device of low incisura, nail rod fixes by the using method first according to spine fixator during use, then, left with described hook, hook parts on the right side and does not catch on described two nail rods from the outside of two nail rods or the inner side of two nail rods, link up with being connected two in the left tranverse connecting rod groove right with hook of the described hook of described tranverse connecting rod insertion again, then, described two sunk screws are screwed in respectively the countersunk screw hole that described hook is left and hook is right, be threaded to and make described translot narrow and lock described tranverse connecting rod, because described sunk screw produced to win coordinate with described rod of following closely, so sunk screw also will follow closely rod locking simultaneously.
Spinal column of the present invention is fixing with the horizontal connected device of low incisura, change the locking mode of current horizontal connected device, and reduce the height of horizontal connected device, thus reduce the stitching difficulty of operation, reduce the foreign body sensation after operation in patients, and quick and easy for installation, thus indirectly improve the success rate of operation and the recovery effects of patient.
Accompanying drawing explanation
Fig. 1 is that spinal column of the present invention is fixing with in the horizontal connected device of low incisura, the structural representation that hook is left;
Fig. 2 is the sectional view of Fig. 1, basically illustrates in Fig. 1 and links up with left groove shape and the relative position of countersunk screw hole;
Fig. 3 is the top view of Fig. 2, basically illustrates the external shape of a hook left side under the state of overlooking and the position of countersunk screw hole in Fig. 2;
Fig. 4 is the overall structure schematic diagram that spinal column of the present invention fixes with the horizontal connected device of low incisura, and shows the right symmetrical structure left with hook of hook.
In accompanying drawing:
1. hook is left; 2. hook is right; 3. sunk screw; 4. tranverse connecting rod; 5. nail rod; 6 transverse arms; 7. translot; 8. tranverse connecting rod groove; 9. groove; 10. countersunk screw hole; 11. cone shaped countersink; 12. female threads.
Embodiment:
Fig. 1-Fig. 3 shows in the embodiment that spinal column of the present invention fixes with the horizontal connected device of low incisura, the structure of hook left 1, the top of described hook left 1 is provided with transverse arm 6, translot 7 is provided with below described transverse arm 6, the bottom land of described translot 7 is provided with the tranverse connecting rod groove 8 parallel with bottom land, the below of described translot 7, be provided with the groove 9 vertical with the bearing of trend of tranverse connecting rod groove 8, described groove 9 is for catching on nail rod 5, described nail rod 5 illustrates with two chain line in fig. 2, described hook left 1 is provided with countersunk screw hole 10, described countersunk screw hole 10 is for screwing in described sunk screw 3, vertical or the through transverse arm 6 that tilts of described countersunk screw hole 10, translot 7, and the sidewall of groove 9 opening direction, described countersunk screw hole 10 passes through mutually at its bearing of trend and described nail excellent 5, lock for making described sunk screw 3 and nail rod 5 produce to win to coordinate and describedly follow closely excellent 5, the upper end of described countersunk screw hole 10, the part of through transverse arm 6 is provided with cone shaped countersink 11, the part of the lower end passing-through groove 9 opening direction sidewall of described countersunk screw hole 10 is provided with female thread 12.
Fig. 4 shows spinal column of the present invention and fixes with the embodiment of the horizontal connected device of low incisura and hook left 1 symmetrical structure with hook right 2, spinal column of the present invention is fixing with the horizontal connected device of low incisura, comprise hook left 1, hook right 2, sunk screw 3, tranverse connecting rod 4, nail rod 5 two, two nail rods 5 fix by the using method first according to spine fixator during use, then, with described hook left 1, hook right 2 catches on described two nail rods 5 respectively from both sides, again described tranverse connecting rod 4 is inserted described hook left 1 and be connected two hooks with the tranverse connecting rod groove of hook right 2, then, described sunk screw 3 two is screwed in respectively the countersunk screw hole of described hook left 1 and hook right 2, be threaded to and translot narrowed and locks described tranverse connecting rod 4, because described sunk screw 3 produced to win coordinate with described rod 5 of following closely, so sunk screw 3 also will follow closely rod 5 locking simultaneously.
Claims (4)
1. a spinal column is fixing with the horizontal connected device of low incisura, it comprises hook left (1), hook right (2), sunk screw (3), tranverse connecting rod (4) and nail rod (5) two, the top of described hook left (1) is provided with transverse arm (6), translot (7) is provided with below described transverse arm (6), the bottom land of described translot (7) is provided with the tranverse connecting rod groove (8) parallel with bottom land, the below of described translot (7), be provided with the groove (9) vertical with the bearing of trend of tranverse connecting rod groove (8), described groove (9) catches on nail rod (5), described hook left (1) is provided with countersunk screw hole (10), the through described transverse arm (6) of described countersunk screw hole (10), translot (7), and the sidewall of described groove (9) opening direction, it is characterized in that countersunk screw hole (10) passes through mutually at its bearing of trend and described rod (5) of following closely, interference fit and locking nail rod (5) is produced with nail rod (5) for making described sunk screw (3).
2. a kind of spinal column is fixing with the horizontal connected device of low incisura according to claim 1, it is characterized in that described countersunk screw hole (10), vertical or tilt through described transverse arm (6), translot (7), and the sidewall of described groove (9) opening direction.
3. a kind of spinal column is fixing with the horizontal connected device of low incisura according to claim 1, it is characterized in that described hook left (1) and described hook right (2) can catch on described two nails rod (5) from the outside of described two nails rod (5) or the inner side of two nails rod (5) respectively.
4. a kind of spinal column is fixing with the horizontal connected device of low incisura according to claim 1, it is characterized in that described hook right (2) becomes symmetrical structure with a described left side (1) of linking up with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410040124.2A CN103800060B (en) | 2014-01-25 | 2014-01-25 | A kind of spinal column is fixing with the horizontal connected device of low incisura |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410040124.2A CN103800060B (en) | 2014-01-25 | 2014-01-25 | A kind of spinal column is fixing with the horizontal connected device of low incisura |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103800060A CN103800060A (en) | 2014-05-21 |
| CN103800060B true CN103800060B (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410040124.2A Active CN103800060B (en) | 2014-01-25 | 2014-01-25 | A kind of spinal column is fixing with the horizontal connected device of low incisura |
Country Status (1)
| Country | Link |
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| CN (1) | CN103800060B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107007340A (en) * | 2017-05-14 | 2017-08-04 | 山东航维骨科医疗器械股份有限公司 | A kind of backbone is fixed and uses horizontal-associate device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105943093B (en) * | 2016-07-08 | 2019-10-25 | 江苏风和医疗器材股份有限公司 | A kind of medical load-engaging device |
| CN115054349B (en) * | 2022-06-23 | 2023-03-21 | 中国人民解放军总医院第四医学中心 | Transverse connector and reset fixing system using same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5624442A (en) * | 1990-04-26 | 1997-04-29 | Cross Medical Products, Inc. | Transverse link for use with a spinal implant system |
| US6136003A (en) * | 1995-06-06 | 2000-10-24 | Sdgi Holdings, Inc. | Device for linking adjacent rods in spinal instrumentation |
| CN203315062U (en) * | 2013-01-24 | 2013-12-04 | 天津市威曼生物材料有限公司 | Universal horizontal connector for internal fixation of spines |
| CN203693727U (en) * | 2014-01-25 | 2014-07-09 | 山东航维骨科医疗器械股份有限公司 | Low-incisura transverse connector for spine fixation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6616668B2 (en) * | 2000-06-09 | 2003-09-09 | Cross Medical Products, Inc. | Adjustable transverse connector for use with a spinal implant system |
-
2014
- 2014-01-25 CN CN201410040124.2A patent/CN103800060B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5624442A (en) * | 1990-04-26 | 1997-04-29 | Cross Medical Products, Inc. | Transverse link for use with a spinal implant system |
| US6136003A (en) * | 1995-06-06 | 2000-10-24 | Sdgi Holdings, Inc. | Device for linking adjacent rods in spinal instrumentation |
| CN203315062U (en) * | 2013-01-24 | 2013-12-04 | 天津市威曼生物材料有限公司 | Universal horizontal connector for internal fixation of spines |
| CN203693727U (en) * | 2014-01-25 | 2014-07-09 | 山东航维骨科医疗器械股份有限公司 | Low-incisura transverse connector for spine fixation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107007340A (en) * | 2017-05-14 | 2017-08-04 | 山东航维骨科医疗器械股份有限公司 | A kind of backbone is fixed and uses horizontal-associate device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103800060A (en) | 2014-05-21 |
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