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Osteotomy device test mold and osteotomy guider matched with osteotomy device test mold

A guide and osteotomy technology, applied in bone drill guidance, medical science, surgical saw, etc., can solve the problems of patient injury, time-consuming and labor-intensive, etc., and achieve the effects 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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  • Osteotomy device test mold and osteotomy guider matched with osteotomy device test mold
  • Osteotomy device test mold and osteotomy guider matched with osteotomy device test mold
  • Osteotomy device test mold and osteotomy guider matched with osteotomy device test mold

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Embodiment Construction

[0025] 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.

[0026] Such as 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; the third section 13 is a rod-shaped structure extending horizontally from the middle of the first section 11 perpendicular to the first section 11, and is used for testing and deter...

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Abstract

The invention relates to the technical field of medical instruments. The invention aims to provide the osteotomy device test mold which is suitable for being matched with the guider in the lateral unicompartmental tibia osteotomy operation and the osteotomy guider matched with the osteotomy device test mold, and the osteotomy guider can be used as an auxiliary tool to improve the osteotomy accuracy of the operation, greatly shorten the operation time and reduce the possibility of causing intraoperative trauma to a patient. An osteotomy device test mold is used for assisting in testing and determining the size of an osteotomy and comprises an osteotomy device test mold part A and an osteotomy device test mold part B. The osteotomy device test mold part A 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; and an osteotomy longitudinal groove capable of transversely moving on a guider body is formed in the guider body of the osteotomy guider, the width of the groove is 2 mm, and the groove body direction of the osteotomy longitudinal groove is the vertical direction. The inner surface of the groove body is matched with at least one part of the outer surface of the second section of the osteotomy device test mold, so that the second section can be placed in the groove body of the osteotomy longitudinal groove and can be separated from the groove body again.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to an osteotomy trial mold used in lateral unicondylar tibial osteotomy and an osteotomy guide adapted to it. 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 electr...

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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