Flexible catheter based on Ampere force and control method thereof

A flexible catheter and controller technology, applied in the direction of catheter, coating, etc., can solve the problem that the catheter cannot be controlled to change the attitude, and achieve the effect of good deflection performance

Active Publication Date: 2021-09-03
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Commonly used catheters mostly use permanent magnets, and the control of their motion attitude needs to be realized through changes in the external magnetic field. When the external magnetic field remains unchanged, the catheter cannot change its posture under control

Method used

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  • Flexible catheter based on Ampere force and control method thereof
  • Flexible catheter based on Ampere force and control method thereof
  • Flexible catheter based on Ampere force and control method thereof

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0032] like figure 2 As shown, the flexible conduit 4 of the present invention includes a live wire 1, a magnetic shielding material 2 and an outer hose 3; It is coated with magnetic shielding material 2 , and in specific implementation, only one place is required to be coated with magnetic shielding material 2 , and any position is for the purpose of achieving unbalance. The concrete outer hose 3 is made of flexible material; the magnetic shielding material 2 is made of ferrite magnetic material; the current conducting wire 1 is made of copper material or aluminum material.

[0033]One end of the outer hose 3 is open as the open end, and the other end of the outer hose 3 is closed as the closed end. The live conductor 1 is folded in half and divided into two sections, and one or more places of one section of the live conductor 1 are covered with magn...

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Abstract

The invention discloses a flexible catheter based on Ampere force and a control method thereof. One end of an outer-layer hose is opened as an open end, and the other end of the outer-layer hose is closed as a closed end; an electrified wire is folded and divided into two sections, wherein one section of the electrified wire is coated with a magnetic shielding material, the other section of the electrified wire is not coated with the magnetic shielding material, and the middle folded part is arranged in the closed end of the outer-layer hose; and the ends of the electrified wire extend out of the opening end of the outer-layer hose and then are electrically connected with two electrodes of an external power supply to form a loop. The flexible catheter has good deflection performance, the deflection angle of the catheter is changed through the current of the wire under the condition that the external magnetic field is not changed, control over the posture of the flexible catheter is completed, or the deflection angle of the catheter is changed by changing the external magnetic field when the current of the wire is not changed; the deflection angle of the catheter can be changed by changing the current of the wire in the catheter and the external magnetic field at the same time; and in addition, the flexible catheter can be combined with other catheters without the characteristic to be used.

Description

technical field [0001] The invention relates to the manufacture and method of a flexible catheter, in particular to the attitude change control of the catheter in a magnetic field. Background technique [0002] In catheter interventional surgery, the posture of the catheter is often changed by means of magnetic field control. According to the structure of the catheter, there are different catheter control methods, which are suitable for different situations. Commonly used catheters mostly use permanent magnets, and the control of their movement posture needs to be realized through changes in the external magnetic field. When the external magnetic field remains unchanged, the catheter cannot change its posture under control. If it is necessary to change the attitude of the catheter while the magnetic field remains constant, it is necessary to modify the structure of the catheter so that the catheter can change its attitude through the change of its own current. Contents of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M25/01A61M25/095
CPCA61M25/0105A61M25/0127A61M25/0158A61M25/0045A61M2025/0177
Inventor 皇甫江涛于浩晨蒋钊
Owner ZHEJIANG UNIV
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