CN102283700A - Orthopedic external fixation support - Google Patents
Orthopedic external fixation support Download PDFInfo
- Publication number
- CN102283700A CN102283700A CN2011102748899A CN201110274889A CN102283700A CN 102283700 A CN102283700 A CN 102283700A CN 2011102748899 A CN2011102748899 A CN 2011102748899A CN 201110274889 A CN201110274889 A CN 201110274889A CN 102283700 A CN102283700 A CN 102283700A
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- CN
- China
- Prior art keywords
- universal joint
- adjusting rod
- pin piece
- folder pin
- fixation bracket
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Abstract
The invention relates to an orthopedic external fixation support. The orthopedic external fixation support comprises an adjusting rod main body, a pair of universal joint modules, a needle clamping block base and a needle clamping block, wherein the universal joint modules can be arranged on the adjusting rod main body in a sliding and rotating way; the needle clamping block base is rotationally connected to the universal joint modules; the needle clamping block is connected to the needle clamping block base; a plurality of needle clamping holes are formed on the needle clamping block; each universal joint module comprises a first universal joint and a second universal joint; the first universal joint is provided with a first connecting hole which can be sleeved on the adjusting rod main body in a sliding and rotating way; the second universal joint is provided with a second connecting hole; the needle clamping block base can be rotationally sleeved in the second connecting hole; and the first universal joint is rotationally connected with the second universal joint. According to the invention, rotation, movement and stretching in multiple directions can be realized through the universal joint modules, the location with any angle in any direction can be satisfied; and simple structure and convenience in adjusting are also realized.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of orthopaedics exterior fixation bracket that skeleton helps bone healing that is used for fixing.
Background technology
Behind the extremity fracture, need fix skeleton, help it to recover as soon as possible and heal, the orthopaedics exterior fixation bracket is one of orthopaedics medical apparatus and instruments commonly used clinically.
Existing traditional orthopedics external-use fixed support is provided with a body mostly, be connected two folder pin piece bases on the body, be connected the folder pin piece on the folder pin piece base, and locking pin is clamped on the pin piece.The following shortcoming of the general existence of the fixed support of said structure: folder pin piece generally is symmetrical arranged, and makes locking pin position fixed thereon single, can not fix the fixed skeleton of needs flexibly; And at the skeleton in healing, fixed support need carry out constantly flexible the adjustment, and present fixed support obviously can't carry out suitable adjustment.
Summary of the invention
The invention provides a kind of orthopaedics exterior fixation bracket.
For achieving the above object, the technical solution used in the present invention is:
A kind of orthopaedics exterior fixation bracket, comprise the adjusting rod body, that can slide and rotate be arranged on a pair of universal joint assembly on the described adjusting rod body, be rotatably connected on the folder pin piece base on the described universal joint assembly, be connected the folder pin piece on the described folder pin piece base, offer several folder pin holes on the described folder pin piece, described universal joint assembly comprises first universal joint, second universal joint, described first universal joint has first connecting hole, what described first connecting hole can slide and rotate is set on the described adjusting rod body, described second universal joint has second connecting hole, what described folder pin piece base can rotate is set in described second connecting hole, and described first universal joint rotates with second universal joint and is connected.
Preferably, described folder pin piece base comprises being set in connecting portion in described second connecting hole, being connected the pedestal part of described connecting portion end of can rotating, offer chute on the described pedestal part, can connect one or two described folder pin piece in the described chute.
Further preferably, described connecting portion and pedestal part are one-body molded, make described folder pin piece base be the T type.
Preferably, described adjusting rod body comprises adjusting rod connector, the adjusting rod movable sleeve that is set in described adjusting rod connector outside that can rotate, and described adjusting rod connector and adjusting rod movable sleeve move axially locking by locking nut.
Further preferably, offer groove on the described adjusting rod connector, described adjusting rod movable sleeve is provided with protuberance, and when described protuberance was positioned at described groove, described adjusting rod connector and adjusting rod movable sleeve be twist-lock radially.
Further preferably, described adjusting rod connector female thread is connected with the adjusting bolt, and an end of described adjusting bolt is connected with locking nut, and described locking nut is connected an end of described adjusting rod movable sleeve.
Preferably, described folder pin piece is connected on the described folder pin piece base by regulating base, is provided with tooth on the contact surface of described folder pin piece and adjusting base.
Preferably, be provided with spring between described first universal joint and second universal joint, and be provided with tooth on the contact surface of described first universal joint and second universal joint.
Preferably, the both ends of described adjusting rod body all are arranged with anti-skidding back-up ring.
Preferably, the material of each described parts is a titanium alloy.
Because the technique scheme utilization, the present invention compared with prior art has following advantage:
The present invention can realize multidirectional rotation, moves and stretch by universal joint assembly, and the location that can satisfy any direction, angle is simple in structure, easy to adjust.
Description of drawings
Accompanying drawing 1 is an axonometric chart of the present invention;
Accompanying drawing 2 is looked cross-sectional schematic for master of the present invention;
Accompanying drawing 3 is an A-A portion cutaway view in the accompanying drawing 2;
Accompanying drawing 4 is adjusting rod connector sketch map among the present invention;
Accompanying drawing 5 is adjusting rod movable sleeve sketch map among the present invention;
Accompanying drawing 6 is looked sketch map for folder pin piece base master among the present invention;
Accompanying drawing 7 is folder pin piece base schematic top plan view among the present invention.
Wherein: 1, adjusting rod body; 10, adjusting rod connector; 100, groove; 11, adjusting rod movable sleeve; 110, protuberance; 12, locking nut; 13, regulate bolt; 14, locking nut; 15, adjusting rod fixed cover; 16, anti-skidding back-up ring; 2, universal joint assembly; 20, first universal joint; 200, first connecting hole; 21, second universal joint; 210, second connecting hole; 22, rotating shaft; 23, spring; 3, folder pin piece base; 30, connecting portion; 31, pedestal part; 310, chute; 4, folder pin piece; 40, the first folder pin piece; 41, the second folder pin piece; 42, alignment pin; 43, locating hole; 44, folder pin hole; 5, regulate base.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described:
A kind of orthopaedics exterior fixation bracket as shown in Figure 1, 2, comprise adjusting rod body 1, can slide and rotate be arranged on a pair of universal joint assembly 2 on the adjusting rod body 1, be rotatably connected on folder pin piece base 3 on the universal joint assembly 2, be connected the folder pin piece 4 on the folder pin piece base 3.
Below specifically each parts are described in detail:
Shown in Fig. 4,5: adjusting rod body 1 comprises that adjusting rod connector 10, turning set are located at the adjusting rod movable sleeve 11 of adjusting rod connector 10 outsides, offer groove 100 on the adjusting rod connector 10, adjusting rod movable sleeve 11 is provided with protuberance 110, when protuberance 110 is positioned at groove 100, adjusting rod connector 10 radially can not rotate with adjusting rod movable sleeve 11, simultaneously, the locking that moves axially by locking nut 12 of adjusting rod connector 10 and adjusting rod movable sleeve 11.
Adjusting rod connector 10 female threads are connected with regulates bolt 13, an end of regulating bolt 13 is connected with locking nut 14, locking nut 14 is connected an end of adjusting rod movable sleeve 11, like this, can regulate the flexible of adjusting rod connector 10 relative accommodation bar movable sleeves 11 by regulating bolt 13, thereby adjust the length of adjusting rod body 1.
In addition, adjusting rod connector 10 also is arranged with adjusting rod fixed cover 15 in an end that does not connect locking nut 14; The two ends of adjusting rod body 1 all are arranged with anti-skidding back-up ring 16 respectively, and when preventing from vertically to install, parts can not slide.
As shown in Figure 3: universal joint assembly 2 comprises that first universal joint 20, second universal joint, 21, the first universal joints 20 have being set on the adjusting rod body 1 that first connecting hole, 200, the first connecting holes 200 can slide and rotate; Second universal joint 21 has second connecting hole 210, and what folder pin piece base 3 can rotate is set in second connecting hole 210; First universal joint 20 rotates by rotating shaft 22 with second universal joint 21 and is connected.First universal joint 21 rotates by the axial line of first connecting hole 200 around adjusting rod body 1; The axial line of folder pin piece base 3 around second connecting hole, 210 places rotates; First universal joint 20, second universal joint 21 rotate relative to 22 axial line around the shaft, and above-mentioned three axial line phase antarafacials are vertical.Like this, can finish the rotation of 3 directions by universal joint assembly 2.
Be provided with spring 23 between first universal joint 20 and second universal joint 21, and be provided with tooth on the contact surface of first universal joint 20 and second universal joint 21, and in the present embodiment, first universal joint 20 and second universal joint 21 are symmetrical.
Shown in Fig. 6,7: folder pin piece base 3 comprises being set in connecting portion 30 in second connecting hole 210, being connected the pedestal part 31 of connecting portion 30 ends of can rotating, and connecting portion 30 is one-body molded with pedestal part 21, makes whole folder pin piece base 3 be the T type.Offer chute 310 on the pedestal part 31, can connect one or two folder pin piece 4 in the chute 310.
At last, each parts can adopt the material of titanium alloy, can have characteristics such as intensity height, corrosion resistance are good, thermostability height.
After above-mentioned each parts adjusting finishes, lock by securing member.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. orthopaedics exterior fixation bracket, it is characterized in that: comprise the adjusting rod body, that can slide and rotate be arranged on a pair of universal joint assembly on the described adjusting rod body, be rotatably connected on the folder pin piece base on the described universal joint assembly, be connected the folder pin piece on the described folder pin piece base, offer several folder pin holes on the described folder pin piece, described universal joint assembly comprises first universal joint, second universal joint, described first universal joint has first connecting hole, what described first connecting hole can slide and rotate is set on the described adjusting rod body, described second universal joint has second connecting hole, what described folder pin piece base can rotate is set in described second connecting hole, and described first universal joint rotates with second universal joint and is connected.
2. orthopaedics exterior fixation bracket according to claim 1, it is characterized in that: described folder pin piece base comprises being set in connecting portion in described second connecting hole, being connected the pedestal part of described connecting portion end of can rotating, offer chute on the described pedestal part, can connect one or two described folder pin piece in the described chute.
3. orthopaedics exterior fixation bracket according to claim 2 is characterized in that: described connecting portion and pedestal part are one-body molded, make described folder pin piece base be the T type.
4. orthopaedics exterior fixation bracket according to claim 1, it is characterized in that: described adjusting rod body comprises adjusting rod connector, the adjusting rod movable sleeve that is set in described adjusting rod connector outside that can rotate, and described adjusting rod connector and adjusting rod movable sleeve move axially locking by locking nut.
5. orthopaedics exterior fixation bracket according to claim 4, it is characterized in that: offer groove on the described adjusting rod connector, described adjusting rod movable sleeve is provided with protuberance, when described protuberance was positioned at described groove, described adjusting rod connector and adjusting rod movable sleeve be twist-lock radially.
6. orthopaedics exterior fixation bracket according to claim 4, it is characterized in that: described adjusting rod connector female thread is connected with the adjusting bolt, one end of described adjusting bolt is connected with locking nut, and described locking nut is connected an end of described adjusting rod movable sleeve.
7. orthopaedics exterior fixation bracket according to claim 1 is characterized in that: described folder pin piece is connected on the described folder pin piece base by regulating base, is provided with tooth on the contact surface of described folder pin piece and adjusting base.
8. orthopaedics exterior fixation bracket according to claim 1 is characterized in that: be provided with spring between described first universal joint and second universal joint, and be provided with tooth on the contact surface of described first universal joint and second universal joint.
9. orthopaedics exterior fixation bracket according to claim 1 is characterized in that: the both ends of described adjusting rod body all are arranged with anti-skidding back-up ring.
10. orthopaedics exterior fixation bracket according to claim 1 is characterized in that: the material of each described parts is a titanium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110274889 CN102283700B (en) | 2011-09-16 | 2011-09-16 | Orthopedic external fixation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110274889 CN102283700B (en) | 2011-09-16 | 2011-09-16 | Orthopedic external fixation support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102283700A true CN102283700A (en) | 2011-12-21 |
| CN102283700B CN102283700B (en) | 2013-03-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110274889 Active CN102283700B (en) | 2011-09-16 | 2011-09-16 | Orthopedic external fixation support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102283700B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103126755A (en) * | 2013-03-26 | 2013-06-05 | 江苏荷普医疗器械有限公司 | Multifunctional self-locking type orthopedic outer fixing frame |
| CN103800058A (en) * | 2012-11-14 | 2014-05-21 | 天津市新中医疗器械有限公司 | Adjustable pressurizing lengthening device |
| CN104771214A (en) * | 2014-01-14 | 2015-07-15 | 上海市第六人民医院 | ILizarov external fixation support |
| CN111529029A (en) * | 2020-05-21 | 2020-08-14 | 上海长海医院 | Integrative external fixation support of pelvis front and back ring |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994023662A2 (en) * | 1993-04-13 | 1994-10-27 | Albert Edward Oliver | Disposable external fixator |
| US6921404B2 (en) * | 2002-11-25 | 2005-07-26 | Lev A. Bimman | Universal device and method for supporting bones and surgery tools in orthopaedic surgery |
| CN201279178Y (en) * | 2008-08-21 | 2009-07-29 | 苏州市百得医疗器械有限公司 | Multifunctional external fixation bracket |
| CN201316308Y (en) * | 2008-11-19 | 2009-09-30 | 厦门大博颖精医疗器械有限公司 | Universal external fixer |
| CN101697930A (en) * | 2009-11-03 | 2010-04-28 | 施慧敏 | Internal fixed stent for limb fractures |
| CN201814642U (en) * | 2010-10-21 | 2011-05-04 | 刘法波 | Orthopaedic external fixator |
| CN201905991U (en) * | 2010-11-26 | 2011-07-27 | 徐利江 | Stretching, pressurizing and adjusting rod for external bone fixation |
| CN202235620U (en) * | 2011-09-16 | 2012-05-30 | 江苏百得医疗器械有限公司 | Orthopedic external fixation support |
-
2011
- 2011-09-16 CN CN 201110274889 patent/CN102283700B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994023662A2 (en) * | 1993-04-13 | 1994-10-27 | Albert Edward Oliver | Disposable external fixator |
| US6921404B2 (en) * | 2002-11-25 | 2005-07-26 | Lev A. Bimman | Universal device and method for supporting bones and surgery tools in orthopaedic surgery |
| CN201279178Y (en) * | 2008-08-21 | 2009-07-29 | 苏州市百得医疗器械有限公司 | Multifunctional external fixation bracket |
| CN201316308Y (en) * | 2008-11-19 | 2009-09-30 | 厦门大博颖精医疗器械有限公司 | Universal external fixer |
| CN101697930A (en) * | 2009-11-03 | 2010-04-28 | 施慧敏 | Internal fixed stent for limb fractures |
| CN201814642U (en) * | 2010-10-21 | 2011-05-04 | 刘法波 | Orthopaedic external fixator |
| CN201905991U (en) * | 2010-11-26 | 2011-07-27 | 徐利江 | Stretching, pressurizing and adjusting rod for external bone fixation |
| CN202235620U (en) * | 2011-09-16 | 2012-05-30 | 江苏百得医疗器械有限公司 | Orthopedic external fixation support |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103800058A (en) * | 2012-11-14 | 2014-05-21 | 天津市新中医疗器械有限公司 | Adjustable pressurizing lengthening device |
| CN103126755A (en) * | 2013-03-26 | 2013-06-05 | 江苏荷普医疗器械有限公司 | Multifunctional self-locking type orthopedic outer fixing frame |
| CN104771214A (en) * | 2014-01-14 | 2015-07-15 | 上海市第六人民医院 | ILizarov external fixation support |
| CN111529029A (en) * | 2020-05-21 | 2020-08-14 | 上海长海医院 | Integrative external fixation support of pelvis front and back ring |
| CN111529029B (en) * | 2020-05-21 | 2024-01-23 | 上海长海医院 | Integrative external fixation support of ring around pelvis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102283700B (en) | 2013-03-20 |
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Owner name: JIANGSU BAIYIDE MEDICAL INSTRUMENT CO., LTD. Free format text: FORMER NAME: JIANGSU BAIDE MEDICAL INSTRUMENT CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 215600 Jiangsu province Zhangjiagang City Donglai Town East Highway seven South of Jiangsu hundred easy Medical Technology Co Ltd Patentee after: The Jiangsu hundred medical science and technology company limited that is easy to get Address before: On the south side of Donglai town Suzhou city Jiangsu province Zhangjiagang City Road seven 215627 Patentee before: Jiangsu Baide Medical Instrument Co., Ltd. |