Rotating transducer mount for ultrasonic surgical instruments
DCFirst Claim
Patent Images
1. A surgical instrument comprising:
- a housing;
a generator supported by said housing, said generator to generate an ultrasonic drive signal;
an electrical contact assembly in electrical communication with said generator;
an acoustic assembly comprising first and second piezoelectric elements, said acoustic assembly rotatable with respect to said generator and said electrical contact assembly, wherein said electrical contact assembly is in electrical communication with said first and second piezoelectric elements, wherein said acoustic assembly comprises a first electrode supported for continuous rotational contact with said electrical contact assembly; and
a waveguide operably connected to said acoustic assembly, said waveguide rotatable with respect to said housing and said generator.
4 Assignments
Litigations
0 Petitions
Accused Products
Abstract
In one general aspect, various embodiments are directed to an ultrasonic surgical instrument that comprises a handpiece housing that operably supports an electrical contact assembly therein that is in electrical communication with a signal source. An acoustic assembly is supported within the handpiece housing in rotatable contact with the electrical contact assembly. In various embodiments, the signal source produces at least one of an ultrasonic signal and a radio frequency signal.
-
Citations
23 Claims
-
1. A surgical instrument comprising:
-
a housing; a generator supported by said housing, said generator to generate an ultrasonic drive signal; an electrical contact assembly in electrical communication with said generator; an acoustic assembly comprising first and second piezoelectric elements, said acoustic assembly rotatable with respect to said generator and said electrical contact assembly, wherein said electrical contact assembly is in electrical communication with said first and second piezoelectric elements, wherein said acoustic assembly comprises a first electrode supported for continuous rotational contact with said electrical contact assembly; and a waveguide operably connected to said acoustic assembly, said waveguide rotatable with respect to said housing and said generator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
-
16. A surgical instrument comprising:
-
a housing; generator means supported by said housing, said generator means to generate an ultrasonic drive signal; acoustic means comprising first and second piezoelectric means to generate ultrasonic motions upon application of said ultrasonic drive signal thereto, said acoustic means rotatable with respect to said generator means; waveguide means rotatably coupled with said acoustic means; signal means to supply said ultrasonic drive signal to said acoustic means, wherein said signal means is located between said first and second piezoelectric means, wherein said acoustic means comprises a first electrode supported for continuous rotational contact with said signal means; and coupling means coupled to said acoustic means and said signal means to transit said ultrasonic drive signal from said signal means to said acoustic means. - View Dependent Claims (17, 18, 19)
-
-
20. A surgical instrument system comprising:
-
a housing; a generator supported by said housing; an acoustic assembly rotatably supported by said housing for rotatable travel relative thereto, said acoustic assembly rotatable with respect to said generator, said acoustic assembly configured to generate ultrasonic motions upon application of an ultrasonic drive signal thereto; a waveguide rotatably supported by said housing in rotatable contact with said acoustic assembly; an end effector operably coupled to said waveguide; a signal source for generating a radio frequency signal; and an electrical contact assembly supported within said housing and in electrical contact with said signal source and said acoustic assembly, wherein said acoustic assembly comprises a first electrode supported for continuous rotational contact with said electrical contact assembly. - View Dependent Claims (21, 22)
-
-
23. A surgical instrument comprising:
-
a housing; a generator supported by said housing, said generator to generate an ultrasonic drive signal; an electrical contact assembly in electrical communication with said generator; an acoustic assembly comprising first and second piezoelectric elements, said acoustic assembly rotatable with respect to said generator and said electrical contact assembly, wherein said electrical contact assembly is in electrical communication with said first and second piezoelectric elements, wherein said acoustic assembly comprises a first electrode supported for continuous rotational contact with said electrical contact assembly; and a waveguide operably connected to said acoustic assembly, said waveguide rotatable with respect to said housing and said generator; wherein said first and second piezoelectric elements are acoustically coupled to first and second resonators.
-
Specification