CN217310472U - Single compartment knee joint prosthesis replacement tibia osteotomy guider - Google Patents
Single compartment knee joint prosthesis replacement tibia osteotomy guider Download PDFInfo
- Publication number
- CN217310472U CN217310472U CN202220978642.9U CN202220978642U CN217310472U CN 217310472 U CN217310472 U CN 217310472U CN 202220978642 U CN202220978642 U CN 202220978642U CN 217310472 U CN217310472 U CN 217310472U
- Authority
- CN
- China
- Prior art keywords
- outside
- rod
- tibia osteotomy
- telescopic rod
- outer portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000002303 tibia Anatomy 0.000 title claims abstract description 41
- 210000000629 knee joint Anatomy 0.000 title claims abstract description 16
- 210000003127 knee Anatomy 0.000 claims description 8
- 238000002271 resection Methods 0.000 claims description 4
- 210000000988 bone and bone Anatomy 0.000 description 10
- 210000001699 lower leg Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000002414 leg Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000000272 proprioceptive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Images
Landscapes
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The utility model discloses a tibia osteotomy guider for single-compartment knee joint prosthesis replacement, which relates to the technical field of medical instruments and comprises a telescopic rod and a tibia osteotomy guider head, wherein the outside of the tibia osteotomy guider head is provided with a limiting mechanism, the limiting mechanism comprises a limiting piece, the outside of the limiting piece is fixedly connected with a threaded slider, the outside of the threaded slider is in threaded connection with an adjusting bolt, the adjusting bolt is rotatably connected with the outside of the tibia osteotomy guider head, the outside of the telescopic rod is provided with a fixing mechanism, the fixing mechanism comprises an arc-shaped plate, the outside of the telescopic rod is movably provided with an adjusting lead screw, and the outside of the adjusting lead screw is rotatably connected with a positioning plate. Meanwhile, the position of the limiting piece can be adjusted through the adjusting screw, and the flexibility of the tibia osteotomy device is improved.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a single room knee joint prosthesis replacement shin bone cuts bone director.
Background
With the continuous progress of the replacement technology of the unicompartmental knee joint prosthesis, a rapid recovery theory and a knee protection concept are provided clinically at present, namely the original proprioceptive sense and soft tissue balance system of the knee joint of a patient are not damaged, the motion function of the knee joint of the patient is kept to the maximum extent, the unicompartmental knee joint prosthesis mainly used at present is divided into two major types according to the difference of tibial platform pads, namely a fixed unicompartmental knee joint prosthesis and a movable unicompartmental knee joint prosthesis, the probability of complication of replacement of the fixed unicompartmental knee joint prosthesis is lower, and tibial osteotomy is one of key factors influencing the calibration of the replacement force line of the unicompartmental knee joint prosthesis.
Traditional shin bone cutting guider is when using, generally be difficult to carry on spacingly to the position of cutting the bone, medical personnel is at the in-process of cutting the bone, appear cutting the bone excessive phenomenon easily, lead to installing false body postoperative heavy burden, cause the shin bone to sink more easily, and then lead to appearing a series of complications, and traditional shin bone cutting guider generally fixes the device in patient's shank, when fixed, be difficult to adjust fixed degree, excessive extrusion leads to the fact the injury to the patient easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the tibial osteotomy guiding device in the prior art is generally difficult to limit the position of the osteotomy and is difficult to adjust the degree of fixing the device, and providing a single-compartment knee joint prosthesis replacement tibial osteotomy guiding device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a single compartment knee joint prosthesis replacement shin bone cuts bone director, includes telescopic link and shin bone cuts bone director head, the outside that shin bone cuts bone director head is provided with stop gear, stop gear includes spacing piece, the outside fixedly connected with screw thread slider of spacing piece, the outside threaded connection of screw thread slider has adjusting bolt, adjusting bolt rotates to be connected the outside that shin bone cuts bone director head, the outside of telescopic link is provided with fixed establishment, fixed establishment includes the arc template, the outside activity of telescopic link is provided with accommodate the lead screw, accommodate the lead screw's outside rotation is connected with the locating plate.
The above technical solution further comprises: the outer portion of the tibia osteotomy guide head is provided with a through groove, the threaded sliding block is connected to the inner portion of the through groove in a sliding mode, and when the adjusting bolt is rotated, the adjusting bolt drives the threaded sliding block to slide in the inner portion of the through groove.
The outside fixedly connected with dead lever of telescopic link, the arc template is installed the outside of dead lever, wherein, the arc template is installed in the one end that the telescopic link was kept away from to the dead lever.
The positioning plate is characterized in that a through hole is formed in the outer portion of the positioning plate, the fixing rod is connected to the inner portion of the through hole in a sliding mode, and the fixing rod plays a limiting role in limiting the through hole.
The outside of telescopic link is seted up threaded hole, accommodate the lead screw threaded connection in the inside of threaded hole, wherein, the outside screw thread of accommodate the lead screw with the screw thread looks adaptation of threaded hole inside.
The external mounting of telescopic link has vertical fine-tuning piece, the outside activity of vertical fine-tuning piece is provided with the locating lever, shin bone osteotomy director head is installed the outside of locating lever, the fixed orifices has been seted up to the outside of shin bone osteotomy director head, the outside of telescopic link is provided with the regulation pole.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, can realize carrying on spacingly to the position of cutting the bone through the stop gear who sets up, when using, stop the cutting of blade to the shin bone through the spacing piece that sets up, avoid appearing the phenomenon of excessive cutting when cutting the shin bone, be provided with adjusting screw simultaneously, can adjust the position of spacing piece through adjusting screw to make things convenient for the position that medical personnel cut as required to adjust the position of spacing piece, improved the flexibility that the shin bone was cut the device.
2. The utility model discloses in, can realize cutting the fixed of bone device to the shin bone through the fixed establishment that sets up, when using, place the arc-shaped board in shank one side, adjust the position of locating plate through the lead screw that sets up to fix the device in patient's shank, can avoid the excessive centre gripping of patient's skin through the accommodate the lead screw that sets up, improved the protection to the patient, thereby improved the practicality of device.
Drawings
Fig. 1 is a schematic view of a partial cross-sectional structure of a tibial osteotomy guide for unicompartmental knee prosthesis replacement according to the present invention;
FIG. 2 is a schematic view of the overall construction of a unicompartmental knee prosthesis replacement tibial osteotomy guide;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 4 is an enlarged schematic view of a portion B in fig. 2.
In the figure: 1. a telescopic rod; 2. a tibial osteotomy guide head; 3. positioning a rod; 4. a vertical trimming block; 5. adjusting a rod; 6. adjusting a screw rod; 7. an arc-shaped plate; 8. positioning a plate; 9. a threaded hole; 10. fixing the rod; 11. a through hole; 12. adjusting the bolt; 13. a threaded slider; 14. a limiting sheet; 15. a through slot; 16. and (7) fixing holes.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
Example one
Referring to the attached drawings 1-4, the utility model provides a single-chamber knee joint prosthesis replacement tibia osteotomy guider, which comprises a telescopic rod 1 and a tibia osteotomy guider head 2, wherein the telescopic rod 1 can adjust the height position of the tibia osteotomy guider head 2, a limiting mechanism is arranged outside the tibia osteotomy guider head 2, the limiting mechanism comprises a limiting sheet 14, the limiting sheet 14 is made of a material with higher hardness to prevent the blade from being excessively cut, a threaded slider 13 is fixedly connected outside the limiting sheet 14, an adjusting bolt 12 is in threaded connection with the outside of the threaded slider 13, threads inside the threaded slider 13 are matched with threads outside the adjusting bolt 12, the adjusting bolt 12 is rotatably connected outside the tibia osteotomy guider head 2, a fixing mechanism is arranged outside the telescopic rod 1, the fixing mechanism comprises an arc-shaped plate 7, and an adjusting screw rod 6 is movably arranged outside the telescopic rod 1, the outside of accommodate the lead screw 6 is rotated and is connected with locating plate 8, and wherein arc template 7 and locating plate 8 all are provided with the silica gel material in the one side of pasting tight patient's skin, and the compliance is better.
In this embodiment, the working principle of the device is as follows: when the device is used, the device is firstly fixed on the leg of a patient, when the device is fixed, the arc-shaped plate 7 is placed on the side which is not cut open of the leg of the patient, then the adjusting screw rod 6 is rotated, the thread on the outer part of the adjusting screw rod 6 is meshed with the thread on the inner part of the threaded hole 9, so that the positioning plate 8 is driven to move towards the position of the arc-shaped plate 7 until the positioning plate 8 is moved to the outer part of the skin of the patient, wherein when the positioning plate 8 is moved, the fixing rod 10 plays a role in limiting the position of the positioning plate 8, the positioning plate 8 does not rotate in the moving process, the stability of the positioning plate 8 in moving is improved, at the moment, the fixing below the telescopic rod 1 can be completed, when the osteotomy guide head 2 is fixed, a nail is inserted into the fixing hole 16, the tibia of the patient is fixed through the nail, so that the fixing of the device is completed, wherein, the height of the tibia osteotomy guide head 2 can be adjusted through the adjusting rod 5, the position of the tibial osteotomy guider head 2 is finely adjusted through the positioning rod 3;
after fixing the device, when needing to cut the shin bone, paste cutting blade in shin bone osteotomy guider head 2, cut the shin bone, when the blade cuts spacing piece 14 position, stop the cutting to the shin bone, avoid appearing cutting excessive phenomenon when the cutting through the spacing piece 14 that sets up, improved the accuracy to the shin bone cutting.
Example two
As shown in fig. 1 and 3, based on the first embodiment, a through groove 15 is formed on the outer portion of the tibial resection guide head 2, and the threaded slider 13 is slidably connected inside the through groove 15, wherein when the adjusting bolt 12 is rotated, the adjusting bolt 12 drives the threaded slider 13 to slide inside the through groove 15.
In this embodiment, when the position of spacing piece 14 needs to be adjusted, through rotating adjusting bolt 12, the outside screw thread of adjusting bolt 12 meshes the inside screw thread of screw slider 13 to drive screw slider 13 and remove, screw slider 13 drives spacing piece 14 and removes, and wherein, screw slider 13 is when removing, and the setup of through groove 15 plays limiting displacement to screw slider 13's position, and screw slider 13 can not appear rotating when removing, improves the stability when adjusting spacing piece 14.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The tibia osteotomy guider for single compartment knee joint prosthesis replacement comprises a telescopic rod (1) and a tibia osteotomy guider head (2), and is characterized in that a limiting mechanism is arranged outside the tibia osteotomy guider head (2), the limiting mechanism comprises a limiting sheet (14), a threaded sliding block (13) is fixedly connected to the outside of the limiting sheet (14), an adjusting bolt (12) is connected to the outside of the threaded sliding block (13) in a threaded manner, and the adjusting bolt (12) is rotatably connected to the outside of the tibia osteotomy guider head (2);
the outer portion of the telescopic rod (1) is provided with a fixing mechanism, the fixing mechanism comprises an arc-shaped plate (7), an adjusting screw rod (6) is movably arranged on the outer portion of the telescopic rod (1), and a positioning plate (8) is rotatably connected to the outer portion of the adjusting screw rod (6).
2. The unicompartmental knee prosthesis replacement tibial resection guide according to claim 1, characterized in that the external part of the tibial resection guide head (2) is provided with a through slot (15), the threaded slider (13) being slidingly connected inside said through slot (15).
3. The unicompartmental knee prosthesis replacement tibial osteotomy guide according to claim 1, characterized in that a fixing rod (10) is fixedly connected to the outside of said telescopic rod (1), said arc-shaped plate (7) being mounted on the outside of said fixing rod (10).
4. The tibial resection guide of a unicompartmental knee prosthesis replacement according to claim 3, characterized in that said positioning plate (8) has a through hole (11) on the outside, and said fixing rod (10) is slidably connected inside said through hole (11).
5. The unicompartmental knee prosthesis replacement tibial osteotomy guide according to claim 1, characterized in that said telescopic rod (1) has a threaded hole (9) made on the outside, said adjusting screw (6) being screwed inside said threaded hole (9).
6. The unicompartmental knee prosthesis replacement tibia osteotomy guide device according to claim 5, characterized in that a vertical fine adjustment block (4) is mounted on the outer portion of the telescopic rod (1), a positioning rod (3) is movably arranged on the outer portion of the vertical fine adjustment block (4), the tibia osteotomy guide head (2) is mounted on the outer portion of the positioning rod (3), a fixing hole (16) is formed in the outer portion of the tibia osteotomy guide head (2), and an adjustment rod (5) is arranged on the outer portion of the telescopic rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220978642.9U CN217310472U (en) | 2022-04-26 | 2022-04-26 | Single compartment knee joint prosthesis replacement tibia osteotomy guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220978642.9U CN217310472U (en) | 2022-04-26 | 2022-04-26 | Single compartment knee joint prosthesis replacement tibia osteotomy guider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217310472U true CN217310472U (en) | 2022-08-30 |
Family
ID=82948433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220978642.9U Expired - Fee Related CN217310472U (en) | 2022-04-26 | 2022-04-26 | Single compartment knee joint prosthesis replacement tibia osteotomy guider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217310472U (en) |
-
2022
- 2022-04-26 CN CN202220978642.9U patent/CN217310472U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203885627U (en) | Knee surgery adjusting and fixing spreader | |
| CN204890098U (en) | Bore bone object | |
| CN113367765B (en) | Auxiliary osteotomy device for proximal tibia | |
| CN201831939U (en) | Combined multifunctional osteotomy device | |
| CN217310472U (en) | Single compartment knee joint prosthesis replacement tibia osteotomy guider | |
| CN202086554U (en) | Positioning and bone cutting system for minimally invasive artificial knee arthroplasty | |
| CN111904534A (en) | Implanting tool for fixing orthopaedic prosthesis | |
| CN211674375U (en) | High-position tibia osteotomy distractor | |
| CN205054421U (en) | Nail extractor for department of orthopaedics | |
| CN205215350U (en) | Nail taking device used in orthopaedics department | |
| CN215740235U (en) | Orthopedic surgery positioning device | |
| CN111658406B (en) | Closed reduction operation frame for tibial fracture | |
| CN114711807A (en) | Knee joint stress position shooting device | |
| CN219230543U (en) | Operation support frame with height adjustment for orthopedic joint replacement | |
| CN111658034A (en) | Distractor in knee joint replacement | |
| CN215960228U (en) | Calcaneus hollow nail implantation guider | |
| CN213372299U (en) | Knee joint unicondylar replacement surgical tool | |
| CN215688341U (en) | Ankle osteotomy suit tool device | |
| CN218552394U (en) | Backbone surgery drag hook | |
| CN213098588U (en) | Bone resetting and fixing device based on orthopedics clinic | |
| CN213665559U (en) | Universal guider for orthopedic drilling | |
| CN217744942U (en) | Orthopedic joint replacement surgery fixing system | |
| CN219250324U (en) | Malleolus cuts bone baffle | |
| CN219126624U (en) | Channel Kirschner wire convenient to location tibia | |
| CN211934251U (en) | Internal fixer for allogeneic bone hand surgery fracture convenient to adjust |
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: 20220830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |