CN211834750U - Tibia intramedullary nail technology distraction device - Google Patents
Tibia intramedullary nail technology distraction device Download PDFInfo
- Publication number
- CN211834750U CN211834750U CN201921618950.5U CN201921618950U CN211834750U CN 211834750 U CN211834750 U CN 211834750U CN 201921618950 U CN201921618950 U CN 201921618950U CN 211834750 U CN211834750 U CN 211834750U
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- CN
- China
- Prior art keywords
- support
- chassis
- intramedullary nail
- distraction device
- bracket
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- Expired - Fee Related
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- 210000002303 tibia Anatomy 0.000 title claims abstract description 9
- 238000005516 engineering process Methods 0.000 title claims abstract description 4
- 238000005452 bending Methods 0.000 claims abstract description 16
- 210000000629 knee joint Anatomy 0.000 claims abstract description 10
- 210000003414 extremity Anatomy 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 210000003127 knee Anatomy 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 210000002414 leg Anatomy 0.000 description 10
- 210000001503 joint Anatomy 0.000 description 7
- 208000006735 Periostitis Diseases 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 238000003759 clinical diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003275 diaphysis Anatomy 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 210000000426 patellar ligament Anatomy 0.000 description 1
- 210000003460 periosteum Anatomy 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a shin bone intramedullary nail technology distraction device, which mainly comprises a chassis bracket, a side bracket, a top bracket and a knee joint, wherein the four corners of the chassis bracket are provided with adjustable side brackets, the junction of the side brackets at two sides is provided with the top bracket, and the bottom bending position of the knee joint is supported and placed on the top bracket; the chassis support is characterized in that sliding pairs are arranged at the connection positions of the four corners of the chassis support and the side supports, a layer of soft rubber cushion is sleeved on the top support shaft, and a chassis polished rod and an adjusting threaded rod are arranged on the chassis support shaft. Has the advantages that: the utility model provides a shin bone intramedullary nail technique distraction device, scalable length and angularly adjustable support frame constitute triangle-shaped pentahedron frame bearing structure, and this kind of device can simply dismantle, and the supplementary patient keeps the position of bending knee and bending hip in the operation, and the angle height is adjustable simultaneously, adapts to different patient's size characteristics to have certain auto-lock nature.
Description
Technical Field
The utility model belongs to the field of medical auxiliary equipment, concretely relates to shin bone intramedullary nail technique struts device.
Background
The tibial diaphysis fracture is the most common type in clinical diagnosis and treatment, and the aim of surgical treatment is to recover the tibiofibular force line of the lower limb, achieve closed reduction as much as possible, reduce periosteum and soft tissue stripping at the broken end of the fracture, protect blood circulation at the broken end of the fracture, and often select tibial intramedullary nail for closed reduction and internal fixation. Currently, there are several common tibial plateau fracture types: AO/OTA typing, modified Ellis typing and Gustilo-Anderson typing of open tibiofibular fractures. In clinical work, with the continuous improvement of the design of a tibial intramedullary nail, a conventional operation approach is still the most common infrapatellar approach, a part of inlet intramedullary nails are designed to improve the suprapatellar approach, a conventional infrapatellar longitudinal incision enters the inner edge of a patellar tendon to expose the proximal end of a tibia, a mouth gag is opened and then sequentially expands marrow, a tibial intramedullary nail with a proper length is inserted, distal end and proximal end transverse nails are sequentially locked, a diseased limb needs to keep a knee and hip bending posture in the operation process so as to facilitate proximal tibial operation, an assistant needs to continuously put out a body position at the moment, once the body position changes, the operation progress is directly influenced, a triangular wooden stool is arranged in a part of an operation room to assist in placing the body position, but high-temperature and high-pressure sterilization cannot be realized, an operation sheet is required to be wrapped for use in the operation, the operation infection probability is increased, and the angle and the height are fixed, so.
In summary, the currently used method for placing the affected limb position increases the labor waste of the operating personnel, or is difficult to sterilize quickly, is difficult to adapt to patients with different body lengths, is very necessary to carry out innovative design, and develops a new device which is suitable for assisting in placing the position and resetting the fracture in the tibial intramedullary nail operation.
Disclosure of Invention
To above not enough, the utility model discloses the device provides a shin bone intramedullary nail technique struts device, and supplementary patient keeps bending knee and bending hip position in the operation, and the angle height is adjustable simultaneously, adapts to different patient size characteristics.
The utility model discloses the technical scheme that its technical problem was solved to the device adopted is: the device mainly comprises a chassis support, side supports, a top support and a knee joint, wherein four corners of the chassis support are provided with adjustable side supports, the top support is arranged at the junction of the side supports at two sides, and the bending position of the bottom of the knee joint is supported and placed on the top support; chassis support four corners with side leg joint position is provided with the pair of sliding, the epaxial cover of top leg frame is equipped with the soft cushion of one deck, the epaxial chassis polished rod and the adjusting threaded rod of being provided with of chassis leg frame, both sides all cooperate on the adjusting threaded rod to install the sleeve that slides, the installation is fixed with the adjusting handle on the sleeve outside end that slides, the installation of the sleeve medial extremity that slides is fixed with the flat board that slides, it is provided with the revolute pair of adjusting with side leg joint on the flat board to slide, very much, both sides the side leg with top leg joint position is provided with the rotation hinge.
This technical scheme's purpose is supplementary patient keeps bending knee and bending hip position in the operation, and the angle height is adjustable simultaneously, adapts to different patient size characteristics, constitutes triangle-shaped pentahedron frame bearing structure through scalable length and angularly adjustable bracing piece among the technical scheme, and when the patient lies down, the patient places the knee joint bottom in on the top support, the epaxial cover of top support frame is equipped with one deck soft cushion, has increased the patient and has certain comfort level when keeping the posture.
To the patient's condition of difference, can need to set up different angle and the height of bending the knee, at this time, chassis support four corners with side leg joint position is provided with slides vice, both sides the side support with top leg joint position is provided with the rotation hinge, slide and be provided with the revolute pair of adjusting with side leg joint on the flat board, through the translation slip of sliding pair and the rotation regulation of revolute pair, realize the regulation of side support angle and top support height, reach everybody's needs.
In addition, chassis support frame is epaxial to be provided with chassis polished rod and adjusting threaded rod, both sides all the cooperation is installed and is slided the sleeve on the adjusting threaded rod, the sleeve outside of sliding is served and is installed and be fixed with the adjustment handle, the installation of sleeve medial extremity that slides is fixed with the flat board that slides, it is provided with the revolute pair of adjusting with side leg joint on the flat board to slide, when adjusting the pair of sliding, only need rotatory adjustment handle, drive the sleeve that slides and slide dull and stereotyped inside and outside removal, reach angle regulation and high purpose to screw-thread fit has certain auto-lock nature, guarantees that whole device lasts to be in a comfortable position.
Has the advantages that: the utility model provides a shin bone intramedullary nail technique distraction device, scalable length and angularly adjustable support frame constitute triangle-shaped pentahedron frame bearing structure, and this kind of device can simply dismantle, and the supplementary patient keeps the position of bending knee and bending hip in the operation, and the angle height is adjustable simultaneously, adapts to different patient's size characteristics to have certain auto-lock nature.
Drawings
The device of the present invention will be further explained with reference to the drawings and the embodiments.
FIG. 1 is a schematic view of a distraction device for tibial intramedullary nail technique of the present invention;
FIG. 2 is a view of the basic frame of a tibial intramedullary nail distraction device of the present invention;
fig. 3 is a side sectional view of the distraction device for tibial intramedullary nail technique of the present invention;
1. the device comprises a knee joint, 2 parts of a chassis support, 2 parts of an underframe polished rod, 2 parts of an adjusting threaded rod, 3 parts of a side support, 4 parts of a top support, 5 parts of a rotating hinge, 6 parts of a soft rubber pad, 7 parts of a sliding pair, 8 parts of an adjusting handle, 9 parts of a sliding sleeve, 10 parts of a sliding flat plate and 11 parts of a rotating pair.
Detailed Description
As shown in fig. 1-2, the device mainly comprises a chassis support 2, a side support 3, a top support 4 and a knee joint 1, wherein the adjustable side support 3 is installed at four corners of the chassis support 1, the top support 4 is arranged at the intersection of the side supports 3 at two sides, the whole connecting structure forms a pentahedral framework structure, and the bending position at the bottom of the knee joint 1 is supported and placed on the top support 4; the chassis support is characterized in that sliding pairs 7 are arranged at the connection positions of four corners of the chassis support 2 and the side supports 3, a layer of soft rubber cushion 6 is sleeved on a top support 4 shaft, rotating hinges 5 are arranged at the connection positions of the side supports 3 and the top support 4, an underframe polished rod 2-1 and an adjusting threaded rod 2-2 are arranged on the chassis support 2 shaft, sliding sleeves 9 are arranged on the adjusting threaded rods 2-2 at two sides in a matched mode, adjusting handles 8 are fixedly arranged at the outer ends of the sliding sleeves 9, sliding flat plates 10 are fixedly arranged at the inner side ends of the sliding sleeves 9, and rotating pairs 11 connected with the side supports 3 for adjustment are arranged on the sliding flat plates 10.
With reference to the schematic diagram of fig. 3, the purpose of the technical scheme is to assist a patient to keep a knee and hip bending posture in an operation, the height of the angle is adjustable, and the support bar is adapted to the body shape characteristics of different patients, in the technical scheme, the support bar with adjustable length and adjustable angle forms a triangular pentahedral frame support structure, when the patient lies down, the patient places the bottom of the knee joint 1 on the top support 4, the shaft of the top support 4 is sleeved with a soft rubber pad 6, and the comfort of the patient in posture keeping is improved.
To the patient's condition of difference, can need to set up different angle and the height of bending the knee, at this time, chassis support 2 four corners with 3 hookup locations of side support are provided with the vice 7 of sliding, both sides the side support 3 with 4 hookup locations of top support are provided with rotation hinge 5, be provided with on the dull and stereotyped 10 of sliding and be connected the revolute pair 11 of adjusting with side support 3, through the translation slip of the vice 7 of sliding and the rotation regulation of revolute pair 11, realize the regulation of 3 angles of side support and 4 heights of top support, reach everybody's needs.
In addition, an underframe polished rod 2-1 and an adjusting threaded rod 2-2 are arranged on a frame shaft of the chassis support 2, a sliding sleeve 9 is arranged on the adjusting threaded rod 2-2 on two sides in a matched mode, an adjusting handle 8 is fixedly arranged on the outer side end of the sliding sleeve 9, a sliding flat plate 10 is fixedly arranged on the inner side end of the sliding sleeve 8, a rotating pair 11 connected with the side support 3 for adjustment is arranged on the sliding flat plate 10, when the sliding pair 7 is adjusted, the adjusting handle 8 only needs to be rotated, the sliding sleeve 8 and the sliding flat plate 10 are driven to move inwards and outwards, the purposes of adjusting the angle and the height are achieved, and the thread matching has certain self-locking performance, so that the whole device is continuously located at a comfortable position.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (3)
1. A tibia intramedullary nail technology distraction device comprises a chassis support (2), a side support (3) and a top support (4), and is characterized in that four corners of the chassis support (2) are provided with adjustable side supports (3), the top support (4) is arranged at the intersection of the side supports (3) at two sides, the whole connection structure forms a pentahedral frame structure, and the bottom bending position of a knee joint (1) is supported and placed on the top support (4); chassis support (2) are epaxial to be provided with chassis polished rod (2-1) and adjusting threaded rod (2-2), both sides all the cooperation is installed on adjusting threaded rod (2-2) and is slided sleeve (9), the installation is fixed with regulation handle (8) on sliding sleeve (9) outside end, sliding sleeve (9) medial extremity installation is fixed with and slides dull and stereotypedly (10), be provided with revolute pair (11) of being connected with side support (3) on sliding dull and stereotyped (10).
2. The tibial intramedullary nail distraction device of claim 1, wherein: the chassis support is characterized in that sliding pairs (7) are arranged at the connection positions of four corners of the chassis support (2) and the side supports (3), and a layer of soft rubber pad (6) is sleeved on a support shaft of the top support (4).
3. The tibial intramedullary nail distraction device of claim 1, wherein: and rotary hinges (5) are arranged at the connecting positions of the side supports (3) and the top support (4) at the two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921618950.5U CN211834750U (en) | 2019-09-26 | 2019-09-26 | Tibia intramedullary nail technology distraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921618950.5U CN211834750U (en) | 2019-09-26 | 2019-09-26 | Tibia intramedullary nail technology distraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211834750U true CN211834750U (en) | 2020-11-03 |
Family
ID=73130373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921618950.5U Expired - Fee Related CN211834750U (en) | 2019-09-26 | 2019-09-26 | Tibia intramedullary nail technology distraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211834750U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113317965A (en) * | 2021-06-18 | 2021-08-31 | 中国人民解放军陆军军医大学第一附属医院 | Hip and knee bending angle adjusting device and method |
-
2019
- 2019-09-26 CN CN201921618950.5U patent/CN211834750U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113317965A (en) * | 2021-06-18 | 2021-08-31 | 中国人民解放军陆军军医大学第一附属医院 | Hip and knee bending angle adjusting device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |