Patent · US Active

Method and apparatus for accessing the left atrial appendage

US9131849B2 · kind B2 · utility

18Cited by

48References

5Claims

0Family size

Assignee

Atritech, Inc. · US

Inventors

Alexander Khairkhahan · Palo Alto, US
Andrew Frazier · Sunnyvale, US
Alan R. Klenk · San Jose, US
Marc S. Kreidler · Sunnyvale, US
Stewart M. Kume · Belmont, US
Darrell H. Ogi · Cupertino, US
Chad C. Roue · Livermore, US
Erik van der Burg · Sunnyvale, US

Key dates

Filing date	Sep 16, 2005
Grant date	Sep 15, 2015
Priority date	—
Expiry date	Nov 17, 2027

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M25/0084
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

Disclosed is an apparatus for facilitating access to the left atrium, and specifically the left atrial appendage. The apparatus may comprise a sheath with first and second curved sections that facilitate location of the fossa ovalis and left atrial appendage. The apparatus may further comprise tissue piercing and dilating structures. Methods are also disclosed.

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