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Implantable capacitor and its preparation method

A capacitor, implantable technology, applied in the field of electronics, can solve problems such as single operation removal

Active Publication Date: 2020-08-04
BEIJING INST OF NANOENERGY & NANOSYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an implantable capacitor and its preparation method to overcome the defect that implantable medical devices in the prior art need to be taken out by separate operations

Method used

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Embodiment approach

[0016] According to an embodiment of the present invention, the capacitor is encapsulated by a degradable encapsulation material. Capacitors are packaged with degradable encapsulation materials to form a degradable first current collector 10, a degradable first electrode layer 20, a degradable solid electrolyte layer 30, a degradable second electrode layer 40 and a degradable The encapsulation layer 60 of the degraded second current collector 50 is used to protect the capacitor structure.

[0017] Wherein, the encapsulation layer 60 may be formed by a calendering method, a lamination method or a coating method. The thickness range of the encapsulation layer 60 may be between 10 μm-1000 μm. The degradable encapsulation material is selected from one or more of the following: collagen, gelatin, elastin, silk fibroin, spidroin, sodium alginate, chitosan, hyaluronic acid, polycaprolactone, polyanhydride, Polylactic acid and medical degradable polyester.

[0018] According to one...

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Abstract

The invention relates to the electronic field, and discloses an implantable capacitor and a preparation method therefor. The implantable capacitor comprises a degradable first current collector, a degradable first electrode formed on the upper surface of the degradable first current collector, a degradable solid-state electrolyte layer formed on the upper surface of the degradable first electrode, a degradable second electrode formed on the upper surface of the degradable solid-state electrolyte layer, and a degradable second current collector formed on the upper surface of the degradable second electrode. The implantable capacitor provided by the invention is prepared from a degradable material, so that the capacitor can be degraded in a body after failure and can be discharged out of the body along with a circulatory system without being recycled, so that dual physical and economic burden of a patient is relieved.

Description

technical field [0001] The invention relates to the field of electronics, in particular to an implanted capacitor and a preparation method thereof. Background technique [0002] In recent years, with the rapid development of nanomaterials and microelectronics technology, implantable medical devices with functions such as therapeutic diagnosis and tissue regeneration have shown good clinical application prospects. At present, most implantable medical systems use non-degradable materials, which require surgical removal after treatment, which increases the double burden on the patient's body and economy. Therefore, there is a need for an implantable component that can decompose in a body fluid environment and be excreted from the body with the circulatory system (that is, achieve degradability in vivo) and a preparation method thereof. Contents of the invention [0003] The object of the present invention is to provide an implanted capacitor and its preparation method, so as...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G9/15H01G9/028H01G9/042
Inventor 李舟王心心李虎邹洋赵璐明王中林
Owner BEIJING INST OF NANOENERGY & NANOSYST