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Multifunctional sheath tube

A multi-functional, sheath technology, applied in the field of multi-functional sheath, can solve problems such as unfavorable surgical instrument introduction operations, achieve the effect of reducing surgical operation steps and improving surgical efficiency

Active Publication Date: 2021-02-26
SHANGHAI TENDFO MEDICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The inventor found that the structure of the sealing ring used in the related art is relatively simple, which is not conducive to the introduction operation of surgical instruments of different specifications

Method used

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Embodiment Construction

[0056] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, various implementation modes of the present invention will be described in detail below in conjunction with the accompanying drawings. However, those of ordinary skill in the art can understand that in each implementation manner of the present invention, many technical details are proposed in order to enable readers to better understand the present invention. However, even without these technical details and various changes and modifications based on the following implementation modes, the technical solution claimed in the present invention can also be realized.

[0057] Unless otherwise specified, the near end and the far end mentioned in the present invention have the same meaning in terms of orientation, that is, in the state of use, the far end is the end away from the operator, the proximal end is the end close to the operator, and the operator is...

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Abstract

The invention relates to the technical field of medical equipment, and discloses a multifunctional sheath tube. The sheath tube comprises a sheath tube body; a connecting piece is arranged at the nearend of the sheath tube body; the connecting piece comprises a connecting piece housing connected to the sheath tube body and a three-way valve arranged on the connecting piece housing; the three-wayvalve is in sealing fit with the connecting piece housing; a thrombus aspiration assembly is connected to the connecting piece housing; an instrument leading-in channel is formed between the sheath tube body and the connecting piece housing, and a thrombus aspiration channel is formed among the sheath tube body, the connecting piece housing and the thrombus aspiration assembly; and the three-way valve is used for alternatively opening the instrument leading-in channel or the thrombus aspiration channel. The embodiment of the invention not only can be independently used as a leading-in sheath tube, but also has a thrombus aspiration function, so that thrombectomy steps can be reduced, and the operation efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a multifunctional sheath. Background technique [0002] Minimally invasive endovascular interventional surgery has gradually become the mainstream trend in the treatment of vascular diseases. The implementation of mechanical thrombectomy requires the puncture of blood vessels through the puncture sheath, and the introduction of surgical instruments with the introduction of the sheath. Taking endovascular thrombus removal surgery as an example, the mainstream minimally invasive interventional therapy requires mechanical thrombectomy through a thrombectomy stent and a suction catheter, and both the thrombectomy stent and suction catheter must be introduced with the introduction sheath. At present, the most cutting-edge thrombectomy method is the combined use of a thrombectomy stent and a suction catheter. In the existing technology, three devices, the introduction shea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/22A61B17/221
CPCA61B17/22A61B17/221A61B2017/22079A61B2017/22038A61B2017/2212
Inventor 夏欢黄定国
Owner SHANGHAI TENDFO MEDICAL TECH CO LTD
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