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System for assisting bone growth and flexible magnetic field generator

A magnetic field generator and bone growth technology, applied in the medical field, can solve problems such as affecting the expected results of patients' surgery

Pending Publication Date: 2021-06-08
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, during the slight movement of the patient, the position and shape of the external fixation bracket or intramedullary nail will also change, which will affect the expected effect of the patient's operation

Method used

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  • System for assisting bone growth and flexible magnetic field generator
  • System for assisting bone growth and flexible magnetic field generator

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Embodiment Construction

[0042] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0043] Please refer to figure 1 , the present application discloses a bone growth aid system 100 comprising: a sleeve 10; a magnetic rotating member 11 arranged in the sleeve 10; a speed reducer 12 arranged in the sleeve 10 and matched with the rotating member 11; The transmission shaft 13 in the cylinder 10 that is matched with the reducer 12; at le...

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Abstract

The invention provides a system for assisting bone growth and a flexible magnetic field generator. The system comprises a sleeve, a magnetic rotating part arranged in the sleeve, a speed reducer arranged in the sleeve and connected with the rotating part in a matched mode, a transmission shaft arranged in the sleeve and connected with the speed reducer in a matched mode, and an extension rod which is at least partially arranged between the transmission shaft and the sleeve, connected with the transmission shaft in a matched mode and driven by the transmission shaft to move axially relative to the sleeve. The flexible magnetic field generator is detachably arranged outside the sleeve in a surrounding mode and used for driving the rotating part to rotate. Thus, bone growth is assisted.

Description

technical field [0001] The present application relates to the field of medical technology, in particular to a system for assisting bone growth and a flexible magnetic field generator. Background technique [0002] In the prior art, in the treatment of unequal length, bending, comminuted fractures of lower limbs or heightening of broken bones in patients with bones, external fixation brackets or intramedullary nails are used to assist patients in curing diseases. Commonly used external fixation brackets include unilateral external fixation brackets or circular fixation brackets, and intramedullary nails include mechanical, electric, and magnetic types. Through the method of external fixation bracket or intramedullary nail, the bone can be effectively fixed and the dislocation of the bone can be avoided. [0003] In the process of realizing the prior art, the inventors found that the two methods of external fixation bracket and intramedullary nail require long-term bed rest f...

Claims

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Application Information

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IPC IPC(8): A61N2/04
CPCA61N2/02
Inventor 聂振国刘辛军谢福贵宫昭孟齐志
Owner TSINGHUA UNIV