Ultrasonic polyp snare
First Claim
Patent Images
1. An ultrasonic polyp snare comprising:
- an ultrasonic signal generator;
a flexible ultrasonic waveguide having a proximal end and a distal end, wherein said proximal end is operatively coupled to said ultrasonic generator;
an ultrasonic vibration amplifier coupled to said distal end of said ultrasonic waveguide;
a rigid ultrasonic blade having a proximal end and a distal end, wherein said proximal end is coupled to said ultrasonic amplifier;
an ultrasonic attenuator coupled to the distal end of said rigid ultrasonic blade;
a snare wire positioned adjacent at least a portion of said rigid ultrasonic blade.
1 Assignment
0 Petitions
Accused Products
Abstract
In one embodiment the present invention comprises an ultrasonic polyp snare adapted to grasp, cut and coagulate polyps and other tissue masses in internal body lumens, specifically in the colon. An ultrasonic polyp snare according to the present invention includes an ultrasonic signal generator attached to the proximal end of a flexible ultrasonic waveguide. An ultrasonic vibration amplifier is coupled to the distal end of the flexible ultrasonic waveguide. An ultrasonic blade is coupled to the ultrasonic amplifier. An ultrasonic attenuator is coupled to the distal end of the ultrasonic blade. And, a snare wire is positioned adjacent at least a portion of the ultrasonic blade.
-
Citations
15 Claims
-
1. An ultrasonic polyp snare comprising:
-
an ultrasonic signal generator; a flexible ultrasonic waveguide having a proximal end and a distal end, wherein said proximal end is operatively coupled to said ultrasonic generator; an ultrasonic vibration amplifier coupled to said distal end of said ultrasonic waveguide; a rigid ultrasonic blade having a proximal end and a distal end, wherein said proximal end is coupled to said ultrasonic amplifier; an ultrasonic attenuator coupled to the distal end of said rigid ultrasonic blade; a snare wire positioned adjacent at least a portion of said rigid ultrasonic blade. - View Dependent Claims (2, 3, 4, 5)
-
-
6. An ultrasonic polyp snare comprising:
-
an ultrasonic signal generator; an handle including an actuation trigger; a flexible catheter extending from said ultrasonic generator wherein said flexible catheter has a proximal end and a distal end; an ultrasonic end effector operatively connected to said flexible catheter, wherein said ultrasonic end effector comprises; an ultrasonic blade having a proximal end and a distal end, wherein said proximal end is operatively connected to said distal end of said flexible catheter; and a snare wire adjacent said ultrasonic blade, wherein said snare wire passes through said flexible catheter and is operatively connected to said actuation trigger; and an ultrasonic attenuator operatively connected to said distal end of said ultrasonic blade. - View Dependent Claims (7, 8, 9, 10)
-
-
11. An ultrasonic polyp snare end effector operatively attached to a flexible ultrasonic transmission waveguide having a proximal end and a distal end, wherein said end effector comprises:
-
an ultrasonic vibration amplifier positioned at said distal end of said ultrasonic transmission waveguide, wherein said ultrasonic vibration amplifier has a proximal end operatively connected to said ultrasonic transmission waveguide and a distal end; a rigid ultrasonically actuated blade positioned at said distal end of said ultrasonic transmission waveguide, wherein said ultrasonically actuated blade has a proximal end operatively connected to said ultrasonic vibration amplifier and a distal end; an ultrasonic attenuator having a proximal end and a distal end, wherein said proximal end is operatively connected to said distal end of said rigid ultrasonically actuated blade; and a snare wire operatively connected to said ultrasonic blade. - View Dependent Claims (12, 13, 14, 15)
-
Specification