Title:
WELDING SYSTEMS FOR CLOSURE OF CARDIAC OPENINGS
Document Type and Number:
WIPO Patent Application WO2005074517
Kind Code:
A8
Abstract:
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.
Inventors:
CHANDUSZKO ANDRZEJ J (US)
WIDOMSKI DAVID R (US)
DEVELLIAN CAROL A (US)
WIDOMSKI DAVID R (US)
DEVELLIAN CAROL A (US)
Application Number:
PCT/US2005/002525
Publication Date:
November 10, 2005
Filing Date:
January 27, 2005
Export Citation:
Assignee:
NMT MEDICAL INC (US)
CHANDUSZKO ANDRZEJ J (US)
WIDOMSKI DAVID R (US)
DEVELLIAN CAROL A (US)
CHANDUSZKO ANDRZEJ J (US)
WIDOMSKI DAVID R (US)
DEVELLIAN CAROL A (US)
International Classes:
A61B17/00; A61N1/00; A61N1/04; A61N1/05; A61B17/08; (IPC1-7): A61B17/00
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