Novel tissue hanger

A hanger and tissue technology, applied in the field of medical devices, can solve problems such as uneven force on tissue, hidden dangers of surgical safety, and easy shaking of tissue, and achieve the effects of reducing pressure, reducing compression damage, and increasing reliability

Pending Publication Date: 2019-06-21
微至(苏州)医疗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, after the main body of the hanger in this technical solution is deployed through the "T"-shaped tail end when passing through the target tissue, it conta...

Method used

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Embodiment Construction

[0031] A specific embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.

[0032] as attached Figure 1-6 As shown, the tissue hanger includes a central shaft 1, a support wire 2, a support wire holder 3, a lifting button 4, and a puncture cone 5. There are multiple support wires 2, which are evenly distributed around the central shaft 1. 2. The upper end is fixedly connected to the support wire holder 3, and the lower end of the support wire 2 is fixedly connected to the lower end of the central shaft 1. The support wire 2 is composed of an elastic material, preferably an elastic memory metal, such as nickel-titanium alloy, nickel-titanium alloy The wire is shaped by heat treatment so that one end has a flat bend, such as figure 1 As shown, the bottom end of the nickel-titanium alloy wire remai...

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PUM

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Abstract

The invention relates to a novel tissue hanger which comprises a central shaft 1, multiple supporting wires 2, a supporting wire fixing seat 3, a lifting button 4 and a puncture cone 5. The supportingwires are uniformly distributed around the central shaft 1, and the upper ends of the supporting wires 2 are fixedly connected with the supporting wire fixing seat 3 while the lower ends of the sameare fixedly connected with the lower end of the central shaft 1. The supporting wires 2 are made of elastic memory metal preferably, the lower end of each supporting wire is enabled to be arc-shaped by thermally processing the memory metal, and the lower end of each supporting wire made of the memory metal is maintained to be bent in an arc-shaped manner without external force. The novel tissue hanger has a puncture function, so that an extra puncture device is not needed, reliability of the hanger is improved, and compression injury to target tissue can be reduced.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a novel tissue hanger. Background technique [0002] During minimally invasive surgery, the surgical field of view is often affected by some tissues and organs. In order to obtain a better surgical field of view during the operation, many surgical instruments for retraction and fixation have been developed, such as three-leaf sector forceps (Chinese patent document CN201120103023, Chinese patent document CN101933822A), but the instrument needs to be clamped through a minimally invasive channel, and an additional assistant is needed to operate and fix the instrument. Chinese patent document CN205251595U provides "Disposable Tissue Suspender", which does not occupy a minimally invasive channel and does not require additional assistants to operate. It is better to retract and fix tissues and organs to expose the surgical field of view. However, after the main body of th...

Claims

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Application Information

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IPC IPC(8): A61B17/02A61B17/00
Inventor 徐孟刘安升张宁
Owner 微至(苏州)医疗科技有限公司
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