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Catheter device with detachable distal end

一种导管、远端的技术，应用在组织收集装置领域，能够解决移除组织或清洁收集室困难等问题

Inactive Publication Date: 2019-03-15
AVINGER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is still very difficult to remove tissue from or clean the collection chamber

Method used

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  • Catheter device with detachable distal end
  • Catheter device with detachable distal end
  • Catheter device with detachable distal end

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] Described herein is an atherectomy catheter comprising an elongated body, a cutter, and a nose cone configured to collect debulked tissue. The nose cone includes an atraumatic distal end, a proximal end connected to the remainder of the catheter body, and an inner region for collecting resected tissue. The proximal portion of the nose cone is detachable from the distal portion to facilitate cleaning and / or quick replacement of the distal portion of the nose cone during an atherectomy procedure.

[0042] The nose cones described herein include features that allow the proximal and distal ends of the nose cone to be easily coupled while preventing unwanted separation during use. Additionally, the interior surface of the nose cone with the removable distal / proximal portion may be substantially smooth to allow the cutter to extend therein (eg, to pack tissue) without obstruction.

[0043] The distal end of the exemplary atherectomy catheter 1200 is Figure 1A shown in . Th...

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PUM

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Abstract

An atherectomy catheter includes an elongate catheter body, a cutter at a distal end of the catheter body, and a nosecone attached to a distal end of the catheter body. The cutter is configured to excise tissue from the body. The nosecone is configured to hold tissue excised from the cutter. The nosecone includes a distal section, a proximal section, and a connection mechanism that is configured to allow the distal section to attach and detach from the proximal section during use. The distal section includes a plug configured to sit within an inner diameter of the proximal section when the proximal section is connected to the distal section.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Patent Application No. 62 / 345,483, filed June 3, 2016, entitled "DETACHING NOSECONE FOR CATHETER DEVICE," which is hereby incorporated by reference in its entirety. [0003] This application may be related to PCT Application WO 2014 / 142954, filed March 15, 2013, entitled "TISSUE COLLECTION DEVICE FORCATHETER", which is hereby incorporated by reference in its entirety. This application may also be related to U.S. Patent Application No. 13 / 175,232, entitled "ATHERECTOMY CATHETERS WITH LONGITUDINALLYDISPLACEABLE DRIVE SHAFTS," filed July 1, 2011, now the priority of U.S. Patent No. 9,345,510, which is incorporated herein by reference in its entirety . [0004] incorporated by reference [0005] All publications and patent applications mentioned in this specification are herein incorporated by reference in their entirety as if each individual publication or patent applicatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/3207A61B17/32A61B17/3205A61M25/09
CPCA61B17/320783A61B2017/00473A61B2017/320791A61B2017/320064A61M25/0068
Inventor A·J·费南德兹R·R·纽豪瑟H·N·帕特尔
Owner AVINGER