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Implant device, encapsulating method and cerebral cortex stimulating visual prosthesis

A technique for implanting devices and encapsulating methods, which is applied in the direction of implanting stimulators, devices for coating liquids on the surface, coatings, etc., which can solve problems such as corrosive body fluid erosion, achieve good sealing effect, and prevent corrosive body fluids from penetrating into Flexible cable and circuit chip, high strength effect

Active Publication Date: 2020-06-26
INTELLIMICRO MEDICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, no matter where the visual prosthesis is implanted, the implanted device must face the complex environment in the body and withstand the erosion of corrosive body fluids for a long time; on the other hand, in order to meet the requirements of safe use, the implanted device must also have very good biocompatibility

Method used

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  • Implant device, encapsulating method and cerebral cortex stimulating visual prosthesis
  • Implant device, encapsulating method and cerebral cortex stimulating visual prosthesis
  • Implant device, encapsulating method and cerebral cortex stimulating visual prosthesis

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Embodiment Construction

[0059] Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary, and embodiments of the present invention are described in detail below.

[0060] Refer below Figure 1-Figure 10 An implant device according to an embodiment of the present invention is described. The implanting device can be suitable for cochlear implants, retinal implants, spinal cord stimulators (used to treat pain), brain stimulators and other medical devices implanted in the human body. In the following description of the present invention, the implantation device for the cerebral cortex stimulating visual prosthesis and the retinal implant are mainly described as examples.

[0061] An implant device 100 according to some embodiments of the present invention includes: a flexible cable 1 , a circuit chip 2 , a fluid adhesion layer 3 and a vapor deposition layer 4 .

[0062] Such as figure 1 As shown, the flexible cable 1 ...

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Abstract

The present invention discloses an implant device comprising: a flexible cable having a lead-in portion; a circuit chip secured to a side surface of the lead-in portion and electrically connected to the lead-in portion; a fluid adhesion layer adhered to the outside of the circuit chip and the lead-in portion; and a vapor deposition layer deposited directly outside the fluid adhesion layer. The implant device according to an example of the present invention is characterized in that the fluid adhesion layer is adhered in the form of liquid molecules and the vapor deposition layer is directly deposited on the pores and the surface of an assembly with the fluid adhesion layer encapsulated therein with molecular dimensions, so that the infiltration of corrosive body fluid can be avoided withoutaffecting the electrical connection of the lead-in portion and the circuit chip, thereby guaranteeing the leak tightness and reliability of the implant device. The present invention also discloses anencapsulating method for the implant device and a cerebral cortex stimulating visual prosthesis having the same.

Description

technical field [0001] The invention relates to the technical field of nerve stimulators, in particular to an implant device and a packaging method thereof, and a cerebral cortex stimulating visual prosthesis including the implant device. Background technique [0002] Theoretically, electrical stimulation anywhere along the visual pathway between the retina and the visual cortex of the brain could trigger vision. Visual prostheses can generally be divided into retinal prostheses, optic nerve prostheses, and cerebral cortex prostheses according to the site where the electrode array is implanted. In other words, it is possible to achieve visual restoration by stimulating the retina, optic nerve or visual cortex of the brain through electrodes. [0003] However, no matter where the visual prosthesis is implanted, the implanted device must face the complex environment in the body and withstand the erosion of corrosive body fluids for a long time; on the other hand, in order to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N1/36A61N1/372A61N1/375A61N1/05B05D1/00
CPCA61N1/3606A61N1/36046A61N1/36125A61N1/36038A61N1/36071A61N1/37217A61N1/375A61N1/37514A61N1/05B05D1/60A61N2001/37294B05D2256/00B05D1/18B05D7/02B05D5/08A61N1/0531A61N1/0541A61N1/0543A61N1/0553
Inventor 戴聿昌庞长林
Owner INTELLIMICRO MEDICAL CO LTD
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