US 10,376,272 B2
Ultrasound catheter for disrupting blood vessel obstructions
Henry Nita, Redwood City, CA (US); Jeff Sarge, Fremont, CA (US); Martinos Tran, Tracy, CA (US); and Simon Nguyen, San Jose, CA (US)
Assigned to FLOWCARDIA, INC., Franklin Lakes, NJ (US)
Filed by FLOWCARDIA, INC., Tempe, AZ (US)
Filed on Aug. 28, 2017, as Appl. No. 15/687,701.
Application 11/466,738 is a division of application No. 10/229,371, filed on Aug. 26, 2002, granted, now 7,137,963, issued on Nov. 21, 2006.
Application 15/687,701 is a continuation of application No. 15/098,984, filed on Apr. 14, 2016, granted, now 9,770,250.
Application 15/098,984 is a continuation of application No. 14/244,247, filed on Apr. 3, 2014, granted, now 9,314,258, issued on Apr. 19, 2016.
Application 14/244,247 is a continuation of application No. 13/673,848, filed on Nov. 9, 2012, granted, now 8,630,819, issued on Apr. 8, 2014.
Application 13/673,848 is a continuation of application No. 13/153,359, filed on Jun. 3, 2011, granted, now 8,308,677, issued on Nov. 13, 2012.
Application 13/153,359 is a continuation of application No. 11/466,738, filed on Aug. 23, 2006, granted, now 7,955,293, issued on Jun. 7, 2011.
Prior Publication US 2017/0354428 A1, Dec. 14, 2017
Int. Cl. A61B 17/20 (2006.01); A61B 17/22 (2006.01); A61M 37/00 (2006.01); A61B 17/00 (2006.01); A61B 17/32 (2006.01)
CPC A61B 17/22 (2013.01) [A61B 17/22012 (2013.01); A61M 37/0092 (2013.01); A61B 2017/00477 (2013.01); A61B 2017/22015 (2013.01); A61B 2017/22018 (2013.01); A61B 2017/22038 (2013.01); A61B 2017/320072 (2013.01); A61B 2017/320084 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An ultrasonic catheter, comprising:
a body having a body distal end and a catheter body lumen, the catheter body lumen defined by an interior wall;
an ultrasound transmission member disposed in the body;
a head coupled to the ultrasound transmission member, wherein a gap separates the head from the body distal end;
an anchor member connected to the head and the interior wall of the body;
a guidewire tube extending through the body and the head; and
a proximal end connector assembly comprising:
a hub with a bore coupled to and in fluid communication with the body;
an absorber member disposed within the bore around the ultrasound transmission member;
and
a sonic connector disposed between the ultrasound transmission member and a separate generator.