07988690 is referenced by 6 patents and cites 337 patents.

A welding element is provided for applying heat, chemicals, pressure, or any combination thereof to tissues inside a patient's body, e.g., a patent foramen ovale. In one aspect, the welding element is connected to a radio frequency energy source and includes an electrode and a locator. The locator facilitates positioning of the welding element and is capable of moving from an open position to a clamping position. In another aspect, a needle is provided for transseptal puncturing before the application of heat. In yet another aspect, the welding element is configured as a coil. The welding element can be made of Nitinol.

Title
Welding systems useful for closure of cardiac openings
Application Number
11/44657
Publication Number
7988690 (B2)
Application Date
January 27, 2005
Publication Date
August 2, 2011
Inventor
Carol A Devellian
Topsfield
MA, US
David R Widomski
Wakefield
MA, US
Andrzej J Chanduszko
Chandler
AZ, US
Agent
DLA Piper
Assignee
W L Gore & Associates
AZ, US
IPC
A61B 18/14
View Original Source