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Methods And Devices For Cutting Tissue

A technology for organizing and cutting pieces, which is applied in the field of cutting pieces, and can solve problems such as changes, soft or hard materials, etc.

Active Publication Date: 2015-04-08
COVIDIEN LP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] A problem that occurs when removing material from vessels is that the material may be soft or hard and may change during the cutting process

Method used

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  • Methods And Devices For Cutting Tissue
  • Methods And Devices For Cutting Tissue
  • Methods And Devices For Cutting Tissue

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] Reference Figure 1-4 , It is shown that the incision catheter 2 has a cutting member 4 for cutting material from the blood flow lumen. The cutting piece 4 can be in a storage position relative to the opening 6 in the body 8 of the catheter 2 ( figure 2 ) And cutting position ( image 3 ) Between exercises. The cutting member 8 moves outward relative to the opening 6 so that a part of the cutting member 4 protrudes from the body 8 through the opening 6. The cutting member 4 can be positioned relative to the body 8 and the opening 6 to expose the cutting member 4 less than 90 degrees to cut tissue. Of course, more cutting elements 4 can be exposed without departing from aspects of the invention.

[0021] The catheter 2 moves distally through the blood vessel, and the cutting member 4 is in the working or cutting position, as described in more detail below. When the catheter 2 moves through the blood vessel, the cutting member 4 cuts the tissue and guides the tissue into ...

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PUM

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Abstract

A catheter is provided, which includes a cutting element having one or more raised elements. The cutting element has a cup-shaped surface at the distal end that may be smooth and continuous except for the raised elements.

Description

[0001] This application is a divisional application of the invention patent application named "Method and device for cutting tissue", the international filing date is February 10, 2009, the international application number is PCT / US2009 / 033678, and the national application number is 200980107019.3 . [0002] Cross reference to related patent applications [0003] This application is a continuation application of US serial number 12 / 283,224 filed on September 9, 2008, and requires the rights and interests of provisional application serial number 61 / 067,238 filed on February 25, 2008. The content of each application Include this article by reference. Background technique [0004] An incision catheter is used to remove material from a blood vessel to open the blood vessel and improve blood flow through the blood vessel. [0005] One problem that occurs when removing material from a blood vessel is that the material may be soft or hard and may change during the cutting process. In this ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/3207A61B17/3209
CPCA61B17/320758A61B17/320725A61B17/32075A61B17/320783A61B2017/320791
Inventor K·李菲莉斯·袁达伦·杜德
Owner COVIDIEN LP