CN209951262U - Shin bone cuts bone size measurement ware - Google Patents
Shin bone cuts bone size measurement ware Download PDFInfo
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- CN209951262U CN209951262U CN201920278720.2U CN201920278720U CN209951262U CN 209951262 U CN209951262 U CN 209951262U CN 201920278720 U CN201920278720 U CN 201920278720U CN 209951262 U CN209951262 U CN 209951262U
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- shin bone
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Abstract
The utility model relates to the technical field of medical equipment, especially, relate to a shin bone osteotomy size measurement ware, it includes slide bar and caliber, the slide bar includes the straight-bar and is located the crotch of straight-bar tip, the straight-bar middle part is equipped with slide bar tibial plateau specification measuring line, and the rear portion is equipped with osteophyte and measures the scale, the caliber includes bow-shaped head and stalk portion, sets up the spout that runs through bow-shaped head and stalk portion in the middle of the caliber, bow-shaped head is equipped with fossil fragments positioning groove, the stalk portion is equipped with caliber tibial plateau specification and measures the scale, the gliding installation of slide bar is in the spout of caliber. The utility model provides a device can the accurate measurement shin bone osteotomy face, makes the selection of unicompartmental knee joint prosthesis tibial plateau unanimous and can effectively confirm shin bone osteotomy face rear side bone tag thickness with shin bone osteotomy face, prevents to replace liner and rear side bone tag on the motion process in the back shin bone platform and takes place the striking, causes the liner to deviate from.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a shin bone osteotomy size measurement ware.
Background
The unicompartmental knee joint replacement is used as a key ring for the stepped treatment of the knee joint lesion, because the surgical incision is small, the postoperative recovery is fast, the osteotomy amount is small, the autogenous feeling after replacement is better, the unicompartmental knee joint replacement is closer to the natural knee and is more and more concerned by doctors and patients, the selection of a tibial plateau of the unicompartmental knee joint prosthesis is often inconsistent with the tibial osteotomy surface in the unicompartmental knee joint replacement process, the tibial plateau is too small, the cancellous bone region of the osteotomy surface is easily stressed, and the postoperative prosthesis is further collapsed, so that the prosthesis is repaired; the tibia platform is too large, so that uneven stress distribution and soft tissue injury are easily caused, and the patient is injured; in addition, the posterior tibial osteophyte is not completely removed, so that the liner on the tibial platform collides with the posterior tibial osteophyte in the movement process, the liner is separated, and secondary operation is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a shin bone osteotomy size caliber that can the precision measurement is provided, makes the selection of unicompartmental knee joint prosthesis tibial plateau unanimous with the shin bone osteotomy face, and can effectively confirm shin bone osteotomy face rear side osteophyte thickness, prevents to replace liner and rear side osteophyte on the motion process in back and takes place the striking, causes a shin bone osteotomy size caliber that the liner deviates from.
The utility model discloses a realize through following technical scheme:
the utility model provides a shin bone osteotomy size measurement ware, its includes slide bar and caliber, the slide bar includes the straight-bar and is located the crotch of straight-bar tip, the straight-bar middle part is equipped with slide bar tibial plateau specification measuring line, and the rear portion is equipped with osteophyte measuring scale, the caliber includes bow-shaped head and stalk portion, sets up the spout that runs through bow-shaped head and stalk portion in the middle of the caliber, bow-shaped head is equipped with fossil fragments positioning groove, the stalk portion is equipped with caliber tibial plateau specification measuring scale, the gliding installation of slide bar is in the spout of caliber.
Furthermore, a plurality of circular arc teeth are arranged at the tail end of the sliding ruler.
Further, the front part of the straight rod is provided with a sliding ruler tibial plateau specification measuring scale.
Further, the arched head is provided with a measuring instrument tibial plateau specification measuring line.
Furthermore, the arched head is provided with a front side window at the position corresponding to the measuring line of the tibial plateau specification of the measuring device, and a lateral side window at the position corresponding to the keel positioning groove.
The beneficial effects of the utility model
The utility model provides a shin bone osteotomy size measuring device, in the process of single room knee joint replacement operation, after finishing shin bone osteotomy, with shin bone osteotomy size measuring device, pass corresponding knee joint clearance, place on shin bone osteotomy face, the crotch hooks shin bone rear side, through the scale that slide rule shin bone platform specification measuring line points to measuring device shin bone platform specification measuring scale, can the accurate determination false body shin bone platform front and back size; whether the left and right sizes of the tibial plateau of the prosthesis are proper can be determined by observing whether the outer side of the tibial osteotomy surface is flush with the outer side of the arched head; the keel position of the tibial plateau of the prosthesis can be determined through the keel positioning groove; thereby the selection of the tibial plateau of the unicompartmental knee prosthesis is consistent with the tibial osteotomy surface.
Can accurate definite shin bone osteotomy face rear side osteophyte thickness through the scale of observing the directional osteophyte measurement scale of caliber stalk portion tail end, prevent that the pad on the motion process after the replacement from taking place the striking with rear side osteophyte, cause the pad to deviate from.
Drawings
FIG. 1 is a schematic view of the assembly structure of the present invention;
FIG. 2 is a schematic view of a slide rule;
FIG. 3 is a schematic front view of the measuring device;
in the figure, 1, arc teeth, 2, a straight rod, 3, a measurer tibial plateau specification measuring scale, 4, a handle, 5, a sliding ruler tibial plateau specification measuring scale, 6, a measurer tibial plateau specification measuring line, 7, a lateral window, 8, an arched head, 9, an osteophyte measuring scale, 10, a sliding ruler tibial plateau specification measuring line, 11, a front side window, 12, a keel positioning groove, 13, a hook and 14, a sliding chute are arranged.
Detailed Description
The utility model provides a shin bone osteotomy size measurement ware, its includes slide bar and caliber, the slide bar includes straight-bar 2 and is located the crotch 13 of straight-bar tip, the straight-bar middle part is equipped with slide bar tibial plateau specification measuring line 10, and the rear portion is equipped with osteophyte measuring scale 9, the caliber includes bow-shaped head 8 and stalk portion 4, offers the spout 14 that runs through bow-shaped head and stalk portion in the middle of the caliber, bow-shaped head is equipped with fossil fragments positioning groove 12, the stalk portion is equipped with caliber tibial plateau specification measuring scale 3, the gliding installation of slide bar is in the spout of caliber.
Furthermore, the tail end of the sliding ruler is provided with a plurality of circular arc teeth 1.
Further, the front part of the straight rod is provided with a sliding ruler tibial plateau specification measuring scale 5.
Further, the arched head is provided with a measuring instrument tibial plateau specification measuring line 6.
Furthermore, the arched head is provided with a front side window 11 at the position corresponding to the measuring line of the tibial plateau specification of the measuring device, and is provided with a lateral side window 7 at the position corresponding to the keel positioning groove.
Because the utility model provides a shin bone osteotomy size measurement device, in the process of single-chamber knee joint replacement operation, after the shin bone osteotomy is completed, the shin bone osteotomy size measurement device passes through the gap of the corresponding knee joint and is arranged on the shin bone osteotomy surface, the hook hooks the back side of the shin bone, and the size of the front and back of the prosthesis shin bone platform can be accurately determined by pointing the measuring line of the shin bone platform specification of the slide rule to the scale of the measuring scale of the shin bone platform specification of the measurement device; whether the left and right sizes of the tibial plateau of the prosthesis are proper can be determined by observing whether the outer side of the tibial osteotomy surface is flush with the outer side of the arched head; the keel position of the tibial plateau of the prosthesis can be determined through the keel positioning groove; thereby the selection of the tibial plateau of the unicompartmental knee prosthesis is consistent with the tibial osteotomy surface.
Can accurate definite shin bone osteotomy face rear side osteophyte thickness through the scale of observing the directional osteophyte measurement scale of caliber stalk portion tail end, prevent that the pad on the motion process after the replacement from taking place the striking with rear side osteophyte, cause the pad to deviate from.
The tail end of the sliding ruler is provided with a plurality of arc-shaped teeth, so that the friction force between the hand and the sliding ruler can be increased, and the sliding ruler is prevented from slipping in the process of drawing the sliding ruler.
The front part of the straight rod is provided with a sliding ruler tibial plateau specification measuring scale, in the process of single-chamber knee joint replacement surgery, after tibial osteotomy is completed, the sliding ruler can be used independently, the sliding ruler penetrates through a gap corresponding to the knee joint and is arranged on a tibial osteotomy surface, the hook is arranged on the rear side of the tibia, the pointing direction of the front side of the tibial osteotomy on the sliding ruler tibial plateau specification measuring scale is observed, and the front and rear sizes of a prosthetic tibial plateau can be determined.
The arched head is provided with a measurer tibial plateau specification measuring line, the measurer can be independently used after tibial osteotomy is completed in the single-compartment knee joint replacement operation process, the measurer penetrates through the gap corresponding to the knee joint, the arched head is arranged on the tibial osteotomy surface, and the front and back sizes of the prosthetic tibial plateau are determined by observing the direction of the measurer tibial plateau specification measuring line on the front side of the tibial osteotomy surface; whether the left and right sizes of the tibial plateau of the prosthesis are proper is determined by observing whether the outer side of the tibial osteotomy surface is flush with the outer side of the arched head; the keel position of the tibial plateau prosthesis is determined by the keel positioning groove.
The arched head is provided with a front side window at a position corresponding to a measuring line of a tibial platform specification of the measuring device, the front side contour line of the osteotomy face in the front side window is observed to be parallel and level with a middle line, the corresponding size of the tibial osteotomy size measuring device is judged to be proper, the osteotomy face contour line in the front side window is observed to be deviated to the front side line, the corresponding size of the tibial osteotomy size measuring device is judged to be too small, the osteotomy face contour line in the front side window is observed to be deviated to the rear side line, the corresponding size of the tibial osteotomy size measuring device is judged to be too large, an outer side window is arranged at a position corresponding to the keel positioning groove, and observation in.
To sum up, the utility model discloses a shin bone osteotomy size caliber who protects can the precision measurement shin bone osteotomy face, makes the selection of unicompartmental knee joint prosthesis tibial plateau unanimous with shin bone osteotomy face, and can effectively confirm shin bone osteotomy face rear bone tag thickness, prevents to replace liner and rear bone tag on the motion process in back shin bone platform and takes place the striking, causes the liner to deviate from.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a shin bone osteotomy size measurement ware, its characterized in that, includes slide rule and caliber, the slide rule includes the straight-bar and is located the crotch of straight-bar tip, the straight-bar middle part is equipped with slide rule tibial plateau specification measuring line, and the rear portion is equipped with osteophyte measurement scale, the caliber includes bow-shaped head and stalk portion, sets up the spout that runs through bow-shaped head and stalk portion in the middle of the caliber, bow-shaped head is equipped with fossil fragments positioning groove, the stalk portion is equipped with caliber tibial plateau specification measurement scale, the gliding installation of slide rule is in the spout of caliber.
2. The tibial osteotomy size gauge of claim 1, wherein the slide rule has a distal end provided with a plurality of teeth in the shape of circular arcs.
3. The tibial osteotomy size measurer of claim 1 or 2 wherein said straight rod is frontally provided with a sliding scale tibial plateau gauge measurement scale.
4. The tibial osteotomy size gauge of claim 3, wherein said arcuate head is provided with a gauge tibial plateau gauge wire.
5. The tibial osteotomy size gauge of claim 4, wherein said arcuate head has an anterior window at a location corresponding to a tibial plateau gauge line of the gauge and a lateral window at a location corresponding to the keel positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920278720.2U CN209951262U (en) | 2019-03-06 | 2019-03-06 | Shin bone cuts bone size measurement ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920278720.2U CN209951262U (en) | 2019-03-06 | 2019-03-06 | Shin bone cuts bone size measurement ware |
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| Publication Number | Publication Date |
|---|---|
| CN209951262U true CN209951262U (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920278720.2U Active CN209951262U (en) | 2019-03-06 | 2019-03-06 | Shin bone cuts bone size measurement ware |
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| CN (1) | CN209951262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11723554B2 (en) | 2019-12-20 | 2023-08-15 | Depuy Ireland Unlimited Company | Adjustable tibial sizer |
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2019
- 2019-03-06 CN CN201920278720.2U patent/CN209951262U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11723554B2 (en) | 2019-12-20 | 2023-08-15 | Depuy Ireland Unlimited Company | Adjustable tibial sizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Nian Inventor after: Zhou Lei Inventor after: Huang Jieru Inventor after: Su Bo Inventor before: Liu Nian Inventor before: Zhang Shengqing Inventor before: Huang Jieru Inventor before: Su Bo |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.27 Ziyang Road Nankai District Tianjin 300190 Patentee after: Jiasite medical equipment (Tianjin) Co.,Ltd. Address before: 300000, No.27 Ziyang Road, Nankai District, Tianjin Patentee before: Jiasite Huajian Medical Equipment(Tianjin)Co.,Ltd. |