US 7,591,794 B2
Therapy probe
Francois Lacoste, Paris (France); Antoine Tetard, Lyons (France); Christian Chaussy, Allemagne (France); and Jean-Yves Chapelon, Villeurbanne (France)
Assigned to EDAP S.A., Vaulx En Velin (France)
Filed on Jan. 15, 2004, as Appl. No. 10/757,703.
Claims priority of application No. 03 00348 (FR), filed on Jan. 14, 2003.
Prior Publication US 2005/0085726 A1, Apr. 21, 2005
Int. Cl. A61H 1/00 (2006.01); A61B 5/05 (2006.01); A61B 8/00 (2006.01); A61B 8/14 (2006.01)
U.S. Cl. 601—2  [600/411; 600/439; 600/459] 19 Claims
OG exemplary drawing
 
14. An endoscopic apparatus comprising:
a coagulation instrument having a planar ultrasound transducer without a membrane, mounted in the region of an end of a cable, and
a fluid source arranged to provide a coupling fluid,
a cooling and coupling fluid circuit, with fluid inlet and outlet openings, in which:
said planar ultrasound transducer is arranged for emitting a coagulating ultrasound beam along a path toward a target to be coagulated such that the ultrasound beam is transmitted only through the coupling fluid;
said planar ultrasound transducer is powered via said cable; and
said cable and said planar ultrasound transducer form an assembly adapted to pass in an operating channel of the endoscopic apparatus.