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Connecting mechanism of implanted medical apparatus, implanted medical apparatus and connecting method

A connecting mechanism and medical device technology, which is applied in the direction of implantation of stimulators, protective grounding/shielding devices for connecting parts, connection, etc., can solve problems such as complex structure, increased difficulty in clinical operation, and inability to seal, so as to achieve the goal of connecting mechanism Simple structure, good suppression effect, reliable sealing connection effect

Active Publication Date: 2018-11-13
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the sleeve can only realize the connection of the conductive shielding layer, and cannot seal the connection joint between the extension lead and the electrode lead
Generally, it is necessary to add a silicone rubber sleeve to seal the connection joint, and then add the conductive shielding layer sleeve, so the structure is complicated and the difficulty of use in the clinical operation process is increased

Method used

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  • Connecting mechanism of implanted medical apparatus, implanted medical apparatus and connecting method
  • Connecting mechanism of implanted medical apparatus, implanted medical apparatus and connecting method
  • Connecting mechanism of implanted medical apparatus, implanted medical apparatus and connecting method

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0081] First embodiment of medical device

[0082] refer to figure 1 , the implantable deep brain electrical stimulator 10 without a connection mechanism includes: a controller 12 , an extension lead 14 , a connection plug 15 and an electrode lead 16 .

[0083] Wherein, the extension wire 14, or the combination of the extension wire 14 and the connection plug 15 constitutes the first connector, in other words, the following extension wire 14, or the combination of the extension wire 14 and the connection plug 15 is also suitable for the first connector feature. The electrode lead 16, or the combination of the electrode lead 16 and the connection plug 15 constitutes the second connector, and the following electrode leads 16, or the combination of the electrode lead 16 and the connection plug 15 are also applicable to the characteristics of the second connector.

[0084] One end of the extension lead 14 is electrically connected to the controller 12 , and the other end of th...

Embodiment approach

[0093] refer to figure 2 (The same or similar reference numerals are used to mark the same or similar components as those in the first embodiment, and the detailed description of these components will be omitted.) In the second embodiment of the medical device, the extension wire 14 can also constitute the present invention. The first connecting part of the medical device; the electrode leads 16 and the connecting plug 15 are integrally formed to constitute the second connecting part of the medical device of the present invention. In this embodiment, one end of the extension wire 14 is electrically connected to the controller 12 , and the other end of the extension wire 14 is provided with several connectors 144 . One end of the electrode lead 16 is integrally formed with the connecting plug 15 , and the other end of the electrode lead 16 is provided with an electrode contact 164 . The connection plug 15 has a socket 150 for receiving part of the extension wire 14 . The inn...

no. 3 approach

[0096] refer to image 3 , in the third embodiment of the medical device, the connecting plug 15 can also be provided independently, the extension lead 14 constitutes the first connecting part of the medical device of the present invention, and the electrode lead 16 constitutes the second connecting part of the medical device of the present invention. Sockets 150 are provided at both ends of the connecting plug 15 for accommodating part of the extension wires 14 and part of the electrode wires 16 respectively. A plurality of connecting contacts are arranged on the inner surface of the socket 150, and the connecting contacts on the inner surfaces of the two sockets 150 correspond to each other respectively, and are connected by wires. One end of the extension lead 14 is provided with several connectors 144, and when one end of the extension lead 14 is inserted into the socket 150, the connectors 144 will be in one-to-one contact with a plurality of connection contacts in the so...

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Abstract

The invention provides a connecting mechanism of an implanted medical apparatus, the implanted medical apparatus and a connecting method of the implanted medical apparatus. The connecting mechanism ofthe implanted medical apparatus comprises a shielding sleeve and a sealing sleeve, wherein the shielding sleeve covers the periphery of the sealing sleeve, the sealing sleeve comprises a connecting cavity, the connecting cavity is used for installing a first connecting member inserted from one end of the connecting mechanism and a second connecting member inserted from the other end of the connecting mechanism, at the state that the first connecting member and the second connecting member are installed on the connecting mechanism, one end of the sealing sleeve is used for being connected to the outer circumferential surface of the first connecting member in a sealing manner, and the other end of the sealing sleeve is used for being connected to the outer circumferential surface of the second connecting member in a sealing manner. According to the connecting mechanism, while the shielding layers of the first connecting member and the second connecting member of the medical apparatus isconnected to prevent the RF-causing heating, the sealing of an electric connector of the first connecting member and the second connecting member is realized, and the connecting mechanism is simple and rapid in installation operation and reliable in connection.

Description

technical field [0001] The invention relates to the field of implantable medical devices, in particular to an MRI compatible implantable medical device connection mechanism, an MRI compatible implantable medical device using the connection mechanism and a connection method thereof. Background technique [0002] Compared with other imaging techniques (such as X-ray, CT, etc.), Magnetic Resonance Imaging (MRI) has significant advantages: MRI is clearer, has a high resolution for soft tissues, and There is no ionizing radiation damage to the human body. Therefore, magnetic resonance imaging technology is widely used in the clinical diagnosis of modern medicine. Today, it is estimated that at least 60 million cases worldwide are examined using MRI technology every year. [0003] When MRI works, three magnetic fields come into play. A high-intensity uniform static magnetic field B0, a gradient magnetic field that can be adjusted to any direction, and a radio frequency (RF) mag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R13/405H01R13/658H01R13/6581H01R13/6591A61N1/36
CPCA61N1/3605A61N1/36125H01R13/405H01R13/658H01R13/6581H01R13/6591
Inventor 姜长青李霖泽李路明
Owner TSINGHUA UNIV
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