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Visual reconstruction device

A vision and retinal technology, applied in artificial respiration, internal electrodes, treatment, etc., can solve problems such as insufficient fixation and chip detachment, and achieve the effect of avoiding direct iatrogenic trauma

Pending Publication Date: 2019-04-05
ZHONGSHAN OPHTHALMIC CENT SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the traditional technology, retinal nails are usually used to penetrate the eyeball wall to mechanically fix the chip on the surface of the retina, resulting in direct iatrogenic trauma at the insertion site of the retinal nails, and the fixation is not firm enough, and there is a risk of the chip falling off

Method used

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Embodiment Construction

[0024] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.

[0025] It should be noted that when an element is referred to as being “disposed on” another element, it may be directly on the other element or there may also be an intervening element. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as ...

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Abstract

The invention relates to a visual reconstruction device. The visual reconstruction device comprises a retina surface prosthesis and a pushing-pressing part, wherein the retina surface prosthesis comprises a signal receiver and a chip which are connected electrically; the signal receiver is used for receiving an external signal and transmitting a first electrical signal to the chip; the chip is used for transmitting a second electric signal for stimulating retinal ganglion cells after receiving the first electric signal; the pushing-pressing part comprise a balloon; both the balloon and the chip can be implanted into a vitreous body cavity; the balloon is used for pushing and pressing the chip against retina in order to realize the fixing of the chip. In a surgical process, an eyeball wallcan be prevented from being punctured, so that the visual reconstruction device has the characteristics of avoiding the generation of direct iatrogenic wound and achieving stable fixing.

Description

technical field [0001] The invention relates to the technical field of medical equipment, in particular to a visual reconstruction device. Background technique [0002] How to restore sight to the blind is still one of the major problems facing the medical field. In recent years, with the rapid development of electronic technology and biomedical engineering technology, the successful development of retinal surface prosthesis has opened a new window for blind people, especially for patients with congenital retinitis pigmentosa. At the same time, retinal surface prosthesis It has also become a research hotspot of experts at home and abroad. The retinal surface prosthesis includes a chip for stimulating retinal ganglion cells. When in use, in order to enable the chip to stimulate retinal ganglion cells, the chip needs to be fixed on the retina. In the traditional technology, retinal nails are usually used to penetrate the eyeball wall to mechanically fix the chip on the surfa...

Claims

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Application Information

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IPC IPC(8): A61N1/36A61N1/05
CPCA61N1/0543A61N1/36046
Inventor 林晓峰娄秉盛
Owner ZHONGSHAN OPHTHALMIC CENT SUN YAT SEN UNIV
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