CN106691558A - Tibia proximal combined type fixing device - Google Patents
Tibia proximal combined type fixing device Download PDFInfo
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- CN106691558A CN106691558A CN201510477253.2A CN201510477253A CN106691558A CN 106691558 A CN106691558 A CN 106691558A CN 201510477253 A CN201510477253 A CN 201510477253A CN 106691558 A CN106691558 A CN 106691558A
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- thread
- screw
- proximal tibia
- fixing device
- fixed block
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Abstract
The invention discloses a tibia proximal combined type fixing device, and is applicable to tibia platform outer side cleavage or compression fracture. The tibia proximal combined type fixing device comprises a tibia proximal heteromorphic block (1), a locking screw (2), a compression screw (3), a compression fixing block (4), a locking fixing block (5) and a double-thread connecting rod (6). The tibia proximal combined type fixing device is characterized in that the tibia proximal heteromorphic block (1) is in accordance with a dissection shape of a tibia proximal bone, is provided with a V-shaped threaded hole, and is coordinated with the double-thread connecting rod (6), a compression hole is formed in the main plane of the compression fixing block (4), and is coordinated with the compression screw (3), a conical threaded hole is arranged on a main plane of the locking fixing block (5), and is coordinated with the locking screw (2), and two connecting rod threaded holes are both arranged on positions, perpendicular to the main planes, of the locking fixing block (5) and the compression fixing block (4), and are coordinated with the double-thread connecting rod (6). Through the adoption of the tibia proximal combined type fixing device, according to the fracture condition of a patient, the compression fixing block or the locking fixing block is reasonably chosen or mutually combined, and a rigid rack body is formed through thread connection, and is tight and reliable, healing of the fracture is benefited, the occurrence of complication is reduced, thus the success of an operation is guaranteed, and the pain of a patient is reduced.
Description
Technical field
It is that one kind treats the splitting of human tibia platform outside the invention belongs to orthopedic fixation device tool technical field
Fracture, tibial plateau outside splitting with compression fracture, simple tibial plateau center line compression fracture, splitting or
The splitting of medial side of tibial plateau or the inner fixing device of compression fracture are compressed, belongs to medicine equipment.
Background technology
The current outside splitting of tibial plateau both at home and abroad or compression fracture, add frequently with traditional proximal tibia outside
Laminated steel, proximal tibia L-type Lucking compression plate carry out fracture fixation, but recent years with bridge joint group
The use of box-like bone fracture internal fixing device (number of patent application is CN200510010654.3), simple to operate,
It is wide using scope, it is not necessary to the features such as largely peeling off periosteum, small stress shielding and stress concentration, obtain aobvious
The clinical effectiveness of work.By the analysis and research to bridge joining composite bone fracture internal fixing device, it is found that it fixes reason
Read and be：Extruding by the screw head of a nail to pitman so that larger rubbing is produced between pitman and fixed block
Power is wiped, so that the support body of stabilization is formed, when its shortcoming is operation, if the locking extruding force of screw is not enough,
Zerofriction force between pitman and fixed block can be caused, it is impossible to form the support body of stabilization, so as to cause operation to be lost
Lose.
Proximal tibia combined type inner fixing device of the present invention, with reference to bridge joining composite bone fracture internal fixing device and
The advantage of synthetism plate technique on the outside of traditional proximal tibia is not enough with reference to it, there is provided a kind of new suitable for shin
The splitting of bone platform outside or the methods of internal fixation of compression fracture, its fixation theory is：Coupling part uses screw thread
Connection, the locking extruding force of screw does not produce influence to pitman and fixed block, so that rigid rack body is formed,
It is solid and reliable, while Fracture internal fixaiion needs locking or pressurization, can be by selecting locking fixed block or adding
Press fixed block to realize, be conducive to bone uptake and healing, reach good fixed effect.
The content of the invention
The purpose of the present invention aims to provide the interior of a kind of new treatment tibial plateau outside splitting or compression fracture
Fixing device, the device absorbs bridge joining composite bone fracture internal fixing device and the outer side joint of traditional proximal tibia
The advantage of hone lamella, captures the deficiency of its technology, it is proposed that new rigid body fixes theory.The device includes shin bone
Near-end special-shaped block (1), lock screw (2), forcing screw (3), pressurization fixed block (4), locking are fixed
Block (5) and double thread pitman (6).Wherein proximal tibia special-shaped block meets the dissection shape of proximal tibia bone
Shape, is provided with shape-V thread hole, coordinates with double thread pitman, and pressurization fixed block principal plane is provided with one and adds
Pressure hole, coordinates with forcing screw, and locking fixed block principal plane is provided with a taper thread hole, with lock screw
Coordinate, locking fixed block and pressurization fixed block being provided with two pitman screwed holes on principal plane,
Coordinate with double thread pitman.The present invention is according to patients with fractures's situation, reasonable selection pressurization fixed block, locking
Fixed block or two kinds are mutually combined, with proximal tibia special-shaped block, lock screw, forcing screw, double thread
Pitman cooperates, and forms rigid rack body, solid and reliable, is conducive to union, reduces complication
Occur, so that it is guaranteed that successful surgery, reduces patient suffering.
Brief description of the drawings
Fig. 1 is assembling use state schematic diagram of the invention；
Fig. 2 is proximal tibia special-shaped block front view；
Fig. 3 is proximal tibia special-shaped block top view；
Fig. 4 is proximal tibia special-shaped block upward view；
Fig. 5 is the structural front view and left view of lock screw；
Fig. 6 is the structural front view and right view of fixing screws；
Fig. 7 is the front view and A-A sectional views of pressurization fixed block；
Fig. 8 is the front view and B-B sectional views for locking fixed block；
Fig. 9 is the front view and right view of double thread pitman；
Specific embodiment：
Invention is further described below in conjunction with the accompanying drawings, but the present invention is any limitation as never in any form,
All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc., all should wrap
It is contained within protection scope of the present invention.
As shown in figure 1, proximal tibia combined type inner fixing device is a kind of new treatment tibial plateau outside
Splitting or compression fracture inner fixing device, including proximal tibia special-shaped block (1), lock screw (2), plus
Pressure screw (3), pressurization fixed block (4), locking fixed block (5) and double thread pitman (6).According to trouble
Person's fracture situation, reasonable selection pressurization fixed block (4), locking fixed block (5) or two kinds are mutually combined,
With proximal tibia special-shaped block (1), lock screw (2), forcing screw (3), double thread pitman (6) phase
Mutually coordinate, form rigid rack body, have on its principal plane 1 proximal tibia special-shaped block, 2 double thread pitmans,
1-7 pressurization fixed block, 2-7 locking fixed block, there is 1-7 pieces of forcing screw and 4-11 on principal plane
Piece lock screw.
As shown in Figure 2,3, 4, proximal tibia special-shaped block (1) is overall L-shaped, and its lower surface meets shin bone
The anatomical shape of near-end bone, to be attached to tibial plateau lateral surface.5 are provided with proximal tibia special-shaped block
The individual taper thread hole with certain angle and 2 shape-V thread holes, wherein taper thread hole and lock screw (2) phase
Coordinate, shape-V thread hole is engaged with double thread pitman (6).
If Fig. 5 is the structural front view and left view of lock screw (2), lock screw coordinates with plum blossom screwdriver,
Fig. 6 is the structural front view and right view of fixing screws (3), and fixing screws coordinate with six side's screwdrivers；
If Fig. 7 is the front view and A-A sectional views of pressurization fixed block (4), its principal plane is provided with one and adds
Pressure hole, its shape is made up of waist type bottom outlet and circular arc apical pore, and pressurization axially bored line is in 70 ° -90 ° with principal plane
Angle, with forcing screw (3) coordinate, pressurization fixed block two pitmans are being provided with principal plane
Screwed hole.
If Fig. 8 is the front view and B-B sectional views of locking fixed block (5), principal plane is provided with a cone spiral shell
Pit, its axially bored line, in 70 ° -90 ° of angle, coordinates with principal plane with lock screw (2), and locking is solid
Determine block and two pitman screwed holes are being provided with principal plane.
If Fig. 9 is the front view and right view of double thread pitman (6), 2 kinds of screw threads are generally comprised：With
The form of thread that shape-V thread hole coordinates is triangle thread；It is three with the form of thread that pitman screwed hole coordinates
Angular screw thread, rectangular thread, trapezoidal thread, saw-tooth thread or abnormal screw thread etc., screw thread can for single line,
Two-wire or triple thread.
Described proximal tibia combined type inner fixing device is pure titanium or titanium alloy material.
Operation principle of the invention and feature：
Proximal tibia combined type inner fixing device combination bridge joining composite bone fracture internal fixing device and traditional shin bone
The advantage of proximal lateral synthetism plate technique, captures the deficiency of its technology, there is provided a kind of brand-new suitable for shin
The splitting of bone platform outside or the methods of internal fixation of compression fracture, reasonable in design are compact, proximal tibia abnormity
Block, locking fixed block, between pressurization fixed block and double thread pitman using be threadedly coupled, not against crowded
Pressure produces frictional force to form rigid rack body, and the center rest for being threadedly coupled formation is solid and reliable, while fracture
The interior fixed locking for needing or pressurization, can be realized by selecting to lock fixed block or pressurization fixed block,
Be conducive to bone uptake and healing, so that it is guaranteed that successful surgery, reduces patient suffering.
Claims (5)
1. a kind of proximal tibia combined type inner fixing device, it is adaptable to the splitting of tibial plateau outside or compression fracture,
Including proximal tibia special-shaped block (1), lock screw (2), forcing screw (3), pressurization fixed block (4),
Locking fixed block (5) and double thread pitman (6) composition, it is characterized in that：Described inner fixing device master
There are 1 proximal tibia special-shaped block, 2 double thread pitmans, 1-7 pressurization fixed block, 2-7 individual in plane
Locking fixed block, there is 1-7 pieces of forcing screw and 4-11 pieces of lock screw on principal plane.
2. proximal tibia combined type inner fixing device according to claim 1, it is characterized in that：Described
Proximal tibia special-shaped block (1) is overall L-shaped, and its lower surface meets the anatomical shape of proximal tibia bone, with
It is attached to tibial plateau lateral surface.5 taper thread holes with certain angle are provided with proximal tibia special-shaped block
With 2 shape-V thread holes, wherein taper thread hole is engaged with lock screw (2), shape-V thread hole and double spiral shells
Line pitman (6) is engaged.
3. according to claim 1 proximal tibia combined type inner fixing device, it is characterized in that：Described pressurization is consolidated
Determine block (4) principal plane and be provided with a pressurization hole, its shape is made up of waist type bottom outlet and circular arc apical pore, pressurizes
Axially bored line, in 70 ° -90 ° of angle, coordinates with principal plane with forcing screw (3), and pressurization fixed block is hanging down
Directly two pitman screwed holes are provided with principal plane.Described locking fixed block (5) principal plane is provided with one
Individual taper thread hole, its axially bored line, in 70 ° -90 ° of angle, coordinates with principal plane with lock screw (2),
Locking fixed block is being provided with two pitman screwed holes on principal plane.
4. the proximal tibia combined type inner fixing device according to claim 1,2 or 3, it is characterized in that：
Described double thread pitman (6) generally comprises 2 kinds of screw threads：The form of thread coordinated with shape-V thread hole
It is triangle thread；It is triangle thread, rectangular thread, ladder with the form of thread that pitman screwed hole coordinates
Shape screw thread, saw-tooth thread or abnormal screw thread etc., screw thread can be single line, two-wire or triple thread.
5. according to claim 1 proximal tibia combined type inner fixing device, it is characterized in that：According to patients with fractures
Situation, reasonable selection pressurization fixed block, locking fixed block or two kinds are mutually combined, with proximal tibia abnormity
Block, lock screw, forcing screw, double thread pitman cooperate, and form rigid rack body, solid and reliable,
Be conducive to union, reduce the generation of complication, so that it is guaranteed that successful surgery, reduces patient suffering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510477253.2A CN106691558A (en) | 2015-08-06 | 2015-08-06 | Tibia proximal combined type fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510477253.2A CN106691558A (en) | 2015-08-06 | 2015-08-06 | Tibia proximal combined type fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106691558A true CN106691558A (en) | 2017-05-24 |
Family
ID=58929881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510477253.2A Pending CN106691558A (en) | 2015-08-06 | 2015-08-06 | Tibia proximal combined type fixing device |
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| CN (1) | CN106691558A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110384551A (en) * | 2019-06-26 | 2019-10-29 | 中国人民解放军联勤保障部队第960医院 | A kind of outer fixed angle concertina type correction system |
| CN110897702A (en) * | 2019-12-26 | 2020-03-24 | 天津市威曼生物材料有限公司 | Proximal tibia lateral special-shaped block |
| CN111166454A (en) * | 2019-12-26 | 2020-05-19 | 天津市威曼生物材料有限公司 | Tibia near-end inner special-shaped block |
| CN113842197A (en) * | 2021-09-28 | 2021-12-28 | 中国人民解放军空军军医大学 | Internal fixation device for posterolateral fracture of tibial plateau |
| CN114886618A (en) * | 2022-04-26 | 2022-08-12 | 吉林大学 | Bionic acetabulum reconstruction prosthesis for ilium inner plate osseointegration based on 3D printing |
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| CN202020524U (en) * | 2010-12-08 | 2011-11-02 | 熊鹰 | Clamping connection-type combined inner fixing device |
| CN202218907U (en) * | 2011-08-19 | 2012-05-16 | 上海市第六人民医院 | Fracture internal fixator |
| CN202982195U (en) * | 2012-11-20 | 2013-06-12 | 苏州艾迪尔医疗器械有限公司 | Bone plate of medial distal tibia |
| CN103584907A (en) * | 2013-11-28 | 2014-02-19 | 天津市康尔医疗器械有限公司 | Internal fixation device for orthopedic surgery |
| CN203493716U (en) * | 2013-08-15 | 2014-03-26 | 杨建安 | Bone fixing device |
| CN104586491A (en) * | 2013-11-01 | 2015-05-06 | 天津市康尔医疗器械有限公司 | Lateral distal tibial bone plate |
| CN204446067U (en) * | 2014-11-20 | 2015-07-08 | 熊鹰 | Modular support inner fixing device |
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- 2015-08-06 CN CN201510477253.2A patent/CN106691558A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202020524U (en) * | 2010-12-08 | 2011-11-02 | 熊鹰 | Clamping connection-type combined inner fixing device |
| CN202218907U (en) * | 2011-08-19 | 2012-05-16 | 上海市第六人民医院 | Fracture internal fixator |
| CN202982195U (en) * | 2012-11-20 | 2013-06-12 | 苏州艾迪尔医疗器械有限公司 | Bone plate of medial distal tibia |
| CN203493716U (en) * | 2013-08-15 | 2014-03-26 | 杨建安 | Bone fixing device |
| CN104586491A (en) * | 2013-11-01 | 2015-05-06 | 天津市康尔医疗器械有限公司 | Lateral distal tibial bone plate |
| CN103584907A (en) * | 2013-11-28 | 2014-02-19 | 天津市康尔医疗器械有限公司 | Internal fixation device for orthopedic surgery |
| CN204446067U (en) * | 2014-11-20 | 2015-07-08 | 熊鹰 | Modular support inner fixing device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110384551A (en) * | 2019-06-26 | 2019-10-29 | 中国人民解放军联勤保障部队第960医院 | A kind of outer fixed angle concertina type correction system |
| CN110897702A (en) * | 2019-12-26 | 2020-03-24 | 天津市威曼生物材料有限公司 | Proximal tibia lateral special-shaped block |
| CN111166454A (en) * | 2019-12-26 | 2020-05-19 | 天津市威曼生物材料有限公司 | Tibia near-end inner special-shaped block |
| CN113842197A (en) * | 2021-09-28 | 2021-12-28 | 中国人民解放军空军军医大学 | Internal fixation device for posterolateral fracture of tibial plateau |
| CN114886618A (en) * | 2022-04-26 | 2022-08-12 | 吉林大学 | Bionic acetabulum reconstruction prosthesis for ilium inner plate osseointegration based on 3D printing |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |
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| RJ01 | Rejection of invention patent application after publication |