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Recovery device and magnetic particle recovery method

A magnetic particle, recycling device technology, applied in medical science, surgery, ophthalmic surgery, etc., to achieve efficient recycling and avoid direct damage

Active Publication Date: 2020-04-07
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, whether it is the gas or liquid vitreous substitute widely used in clinical practice, or the hydrogel or capsular vitreous substitute in the experimental stage, there are specific indications and disadvantages to varying degrees.

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  • Recovery device and magnetic particle recovery method
  • Recovery device and magnetic particle recovery method

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Embodiment Construction

[0040] Typical embodiments embodying the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various changes in different embodiments without departing from the scope of the present invention, and that the description and drawings therein are illustrative in nature and not intended to limit the present invention. invention.

[0041] In the following description of various exemplary embodiments of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of example different exemplary structures, systems, and embodiments in which aspects of the invention may be implemented and steps. It is to be understood that other specific arrangements of components, structures, exemplary means, systems and steps may be utilized and structural and functional modifications may be made without departing from the scope o...

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Abstract

The invention discloses a recovery device and a magnetic particle recovery method. The recovery device includes a main pipeline, a needle tube and a suction power mechanism; the needle tube is connected to a first end of the main pipeline, and the end of the needle tube has magnetism to absorb a magnetic particle to the end of the needle tube; The suction power mechanism is used to suck the magnetic particles adsorbed on the end of the needle tube into the main pipeline. The invention utilizes a needle tube with magnetism to realize the adsorption of magnetic particles, and at the same time sucks the magnetic particles into the main pipeline through a suction power mechanism, so as to realize the recovery of the magnetic particles. Based on the above-mentioned design of the present invention, for example, in the process of recovering magnetic particles from the vitreous body, direct damage to the macula and lens caused by vitreous ablation, or ocular lesions indirectly caused by vitrectomy are avoided .

Description

technical field [0001] The invention relates to the technical field of magnetic particles, in particular to a recovery device and a method for recovering magnetic particles. Background technique [0002] Vitreous opacity is a common clinical problem, and the most common cause is posterior vitreous detachment (PVD). Treating floaters by taking medicine or using eye drops has little effect. Current treatments include laser vitreous ablation and vitrectomy. Laser vitreous ablation can effectively remove large vitreous floaters, but there is also a potential risk of damage to the macula or lens. The emergence of 23G, 25G, and 27G minimally invasive vitrectomy (vitrectomy, generally about 90% of the vitrectomy, filled with vitreous replacement material) allows vitrectomy to be completed in smaller and smaller incisions, and the wound does not require Suturing reduces the risk of postoperative foreign body sensation in the eye and eye complications such as retinal breaks and re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F9/007
CPCA61F9/00709A61B17/52A61B2217/005
Inventor 康锦刚
Owner BOE TECH GRP CO LTD
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