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Outer side single-condyle tibia osteotomy device

A technology for osteotomy and tibia, applied in the field of lateral unicondylar tibial osteotomy, can solve the problems of patient injury, time-consuming and labor-intensive, etc., and achieve the effect of improving accuracy, shortening the learning curve, and reducing intraoperative trauma

Pending Publication Date: 2021-11-02
SHANGHAI YANGPU CENT HOSPITAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is time-consuming and labor-intensive, and there are certain errors, which are easy to cause damage to patients.

Method used

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  • Outer side single-condyle tibia osteotomy device
  • Outer side single-condyle tibia osteotomy device
  • Outer side single-condyle tibia osteotomy device

Examples

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with accompanying drawing and embodiment, but present embodiment is not intended to limit the present invention, and all adopt similar structures of the present invention and similar changes thereof, all should be included in the scope of protection of the present invention.

[0023] A lateral unicondylar tibial osteotomy device, comprising: an osteotomy trial mold part A 1, an osteotomy device trial mold part B 2 and an osteotomy guide 3.

[0024] combine figure 1 with figure 2 As shown, the osteotomy trial mold part A 1 includes a first segment 11 , a second segment 12 , a third segment 13 and a fourth segment 14 . The first section 11 is a rod-shaped structure with a thickness of 1mm, which is used to test and determine the length of the osteotomy during surgery; the second section 12 is formed by extending outward from one end of the first section 11 along its extension line rod-shaped structure...

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Abstract

The invention relates to the technical field of medical instruments. The invention aims to provide a lateral unicompartmental tibia osteotomy device which is used as an auxiliary tool and can improve the accuracy of operation osteotomy, greatly shorten the operation time and reduce the possibility of causing intraoperative trauma to a patient. A lateral unicompartmental tibia osteotomy device comprises an osteotomy device test mold A part, an osteotomy device test mold B part and an osteotomy guider, the osteotomy device test mold A part and the osteotomy device test mold B part are used for assisting in testing and determining the size of osteotomy, and the osteotomy device test mold A part comprises four connected sections; the bone cutter test mold B part comprises four thin sheets with different widths, the thickness of 1mm and the length of 5mm; an osteotomy transverse groove is formed in a guider body of the osteotomy guider, and an osteotomy longitudinal groove is movably connected into the osteotomy transverse groove through a longitudinal groove bottom column of the osteotomy longitudinal groove so that a longitudinal groove body of the osteotomy longitudinal groove can transversely move along a groove channel of the osteotomy transverse groove under driving of the longitudinal groove bottom column; and the second section of the osteotomy device test mold part A can be connected with the osteotomy guider by being placed into the longitudinal groove body.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a lateral unicondylar tibial osteotomy device. Background technique [0002] The proximal metaphysis and articular surface of the tibia is called the tibial plateau in orthopedics. The upper end of the tibia and the lower end of the femur form the knee joint, and the tibial plateau is the surface where the tibia meets the lower end of the femur. The tibial plateau is divided into inner and outer sides. Currently, there is no special instrument to accurately provide the effective direction of vertical osteotomy, as well as the width, depth and direction of osteotomy when performing tibial plateau osteotomy in clinic. Select the tool combination reference to operate. When performing osteotomy under the existing technology, first use simple tools to test the width and thickness of the osteotomy, and use an electric knife to mark the horizontal osteotomy and vertical o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/17A61B90/00A61B17/15
CPCA61B17/1732A61B17/1764A61B90/06A61B17/157A61B2090/061A61B2017/564
Inventor 文涛涂意辉薛华明马童杨涛薛龙
Owner SHANGHAI YANGPU CENT HOSPITAL
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