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An implantable body charging device

A charging device, implantable technology, applied in the direction of circuit devices, battery circuit devices, current collectors, etc., can solve the problems of low transmission power, unfavorable charging, slow speed, etc., to achieve increased transmission power, good performance of repeated charging, The effect of improving reliability

Inactive Publication Date: 2011-12-14
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The energy transmission method mentioned in this article is based on the wireless radio frequency method. This method has low transmission power, slow speed, and large loss, which is not conducive to charging in the body of the implanted medical system.

Method used

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  • An implantable body charging device
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Embodiment Construction

[0010] The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.

[0011] Such as figure 1 As shown, this embodiment includes: a polymer packaging shell 1, a rechargeable battery 2, a backing plate 3, a lower polymer backing layer 4, a lower metal mesh 5, an upper polymer backing layer 6, an upper metal mesh 7, a front Metal sleeve 8, metal needle 9, rear metal sleeve 10 and polymer insulating layer 11, in which: rechargeable battery 2, backing plate 3, lower polymer backing layer 4, lower metal mesh sheet 5, upper polymer backing layer 6. The upper metal mesh 7 is placed in the polymer encapsulation shell 1, the polymer insulating layer 11 is deposited on the metal needle 9...

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Abstract

The invention discloses an implantable in-body charging device in the field of biomedical engineering. The metal mesh, the front metal sleeve, the metal needle, the rear metal sleeve and the polymer insulation layer lead the positive and negative electrodes of the rechargeable battery implanted in the body to the mutually insulated lower metal mesh and upper metal mesh respectively. On the chip, when the external metal needle is inserted into the body through the skin, the front metal sleeve outside the metal needle is connected to the lower metal mesh, the rear metal sleeve is connected to the metal mesh, and the tail of the metal needle and the tail of the rear metal sleeve are respectively connected to the charging The positive and negative poles of the power supply form a charging circuit. The direct percutaneous internal charging device of the present invention has simple structure, convenient operation, less trauma during charging, can increase transmission power, increase transmission rate, reduce transmission loss, and reduce alignment requirements during insertion, and has good repeated charging performance .

Description

technical field [0001] The invention relates to a charging device in the field of biomedical engineering, in particular to an implanted charging device in the body. Background technique [0002] Implantable medical systems help patients restore the physiology of an organ by appropriately stimulating nerves or muscles. At present, it is widely used in visual prosthesis, cochlear implant, bladder prosthesis, treatment of essential tremor, Parkinson's syndrome, dystonia, etc. [0003] Implantable medical systems are often months or even years after implantation in the body, so how to power the system is critical. At present, disposable non-rechargeable batteries are implanted into the body as energy supply devices. After the batteries are exhausted, they need to be taken out and replaced, which not only increases medical risks and costs, but also increases the suffering of patients. Using a rechargeable battery, the energy can be wirelessly transmitted from the outside of the...

Claims

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Application Information

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IPC IPC(8): H02J7/00
Inventor 刘景全芮岳峰杨春生何庆
Owner SHANGHAI JIAO TONG UNIV
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