Easily detachable ultrasonic clamping device
First Claim
1. An ultrasonic surgical instrument comprising:
- an end effector including blade and clamp means for the engagement of tissues located therebetween;
an elongated shaft element having said end effector arranged at a first end thereof;
an elongated tubular member extending about said elongated shaft element in coaxial relationship, said clamp means being movable relative to said blade and said tubular member, said elongated tubular member having a first end in operative engagement with said end effector;
a handle portion for receiving second opposite ends of respectively said elongated shaft element and said elongated tubular member, said handle portion including finger-actuatable scissors-like thumb and finger ring structure for imparting axial displacement between said elongated shaft element and said elongated tubular member, said tubular member biasing said clamp means so as to cause said blade and clamp means to selective open and close relative to each other.
1 Assignment
0 Petitions
Accused Products
Abstract
An ultrasonic surgical instrument which incorporates a thumb and finger ring-actuated structure for the ultrasonic clamping device which is finger-operated in a scissor-like mode. Provided is either a fixed or removable blade tip and clamp assembly for ultrasonic treatments, so as to impart to the surgical instrument the ability of providing a variety of essentially exchangeable tips while reducing operationally engendered vibrations and stresses at the point of the coupling thereof to the clamp arm. The assembly is actuatable by relative movements between a blade extender and an outer tubular sheath extending to a handle end connected to the thumb and finger ring-actuated structure.
182 Citations
15 Claims
-
1. An ultrasonic surgical instrument comprising:
-
an end effector including blade and clamp means for the engagement of tissues located therebetween;
an elongated shaft element having said end effector arranged at a first end thereof;
an elongated tubular member extending about said elongated shaft element in coaxial relationship, said clamp means being movable relative to said blade and said tubular member, said elongated tubular member having a first end in operative engagement with said end effector;
a handle portion for receiving second opposite ends of respectively said elongated shaft element and said elongated tubular member, said handle portion including finger-actuatable scissors-like thumb and finger ring structure for imparting axial displacement between said elongated shaft element and said elongated tubular member, said tubular member biasing said clamp means so as to cause said blade and clamp means to selective open and close relative to each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
Specification