Device for minimally invasive internal tissue removal

A suction device and cutter technology, which are used in applications, endoscopic cutting instruments, inoculation and ovulation diagnosis, etc.

Inactive Publication Date: 2007-09-12
ETHICON ENDO SURGERY INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] A variety of such devices have been developed and used, but to the inventor's knowledge

Method used

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  • Device for minimally invasive internal tissue removal
  • Device for minimally invasive internal tissue removal
  • Device for minimally invasive internal tissue removal

Examples

Experimental program
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Embodiment Construction

[0052] Various aspects of the devices described and shown herein relate to efficient systems and methods for removing tissue in minimally invasive procedures for biopsy sampling or other purposes. In particular, various aspects described herein relate to devices having: a hollow probe with a receiving fenestration; a cutter with a cutting tip within the probe for effective aspiration, cutting, and remove the tissue. Providing a cutter with a beveled circular cutting tip, such as described with reference to the exemplary protocols herein, may allow efficient cutting of tissue using primarily axial motion of the cutter.

[0053] For the purposes of the description contained herein, "forward" or "distal" (and variations thereof) refer to forward, toward, or along the movement of the elements and elements described herein. In describing the forward, distal direction of the probe of the device herein, "rearward" or "proximally" (and variations thereof) refer to the forward, distal...

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PUM

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Abstract

A medical device for severing and removing small amounts of internal tissue for biopsy sampling or other purposes is disclosed. Versions of the device may include a hollow probe having a piecing tip, a tissue receiving aperture and a vacuum lumen; a cutter within the probe having a cutting edge that moves past the tissue receiving aperture, and a cutter driver mechanism. A cutter for use with versions disclosed herein may include an angled cutting tip and a cutting edge having a concave grind. Versions of the device also may include an aspirator fluidly connected to the vacuum lumen, coordinated operation of the aspirator and the cutter driver mechanism, and a fluid management system. Versions described may be used for removing multiple samples of tissue during a single insertion of the probe proximate to a target tissue mass.

Description

technical field [0001] The present invention relates to a device for cutting and removing internal tissue. Background technique [0002] Devices utilizing hollow probe suction are useful for removing and / or obtaining tissue samples during minimally invasive percutaneous procedures for biopsy or other purposes, such as therapeutic tissue removal purposes. [0003] For instruments that include hollow probes that allow effective and efficient sample cutting and removal, that are minimally invasive to tissue and the patient in tissue removal procedures, and that are relatively simple to design, manufacture, and use, there is a need to provide additional or possible Choose a design. [0004] A variety of such devices have been developed and used, but to the best of the inventor's knowledge, no one prior to the inventor has made or used the invention described in the appended claims. Contents of the invention [0005] The present invention relates to the following. [0006] (...

Claims

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Application Information

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IPC IPC(8): A61B17/3205A61B10/02
CPCA61B2010/0225A61B2010/0208A61B10/0275A61B2017/0038A61B10/0283A61B17/320016A61B10/0266
Inventor A·T·贝克曼G·P·佩恩L·赖克尔
Owner ETHICON ENDO SURGERY INC
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