Patent · US Expired

Method and apparatus for closing a body lumen

US6231561A · kind A · utility

994Cited by

23References

4Claims

0Family size

Assignee

Appriva Medical, Inc. · US

Inventors

Andrew Frazier · Sunnyvale, US
Erik van der Burg · Sunnyvale, US
Michael D. Lesh · Mill Valley, US

Key dates

Filing date	Sep 20, 1999
Grant date	May 15, 2001
Priority date	—
Expiry date	Sep 20, 2019

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S606/907
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

Disclosed is a closure catheter, for closing a body cavity such as a vessel, or the left atrial appendage of the heart. The closure catheter includes a plurality of deployable tissue anchors, which may be laterally deployed into surrounding tissue. The anchors may thereafter be used to draw the tissue radially inwardly, to close the body cavity. Methods are also disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.