Surgery – Instruments – Cutting – puncturing or piercing
Patent
1996-12-20
1999-11-23
Buiz, Michael
Surgery
Instruments
Cutting, puncturing or piercing
604 22, A61B 1732
Patent
active
059892749
ABSTRACT:
One device in accordance with the present invention includes a surgical device for creating channels in tissue of a patient. The device includes a catheter defining a lumen and a transducer assembly carried by the catheter along a lengthwise dimension of the catheter. An end effector is operatively coupled to the transducer assembly and extends distally relative to the transducer assembly. The end effector has a vibrating channel-forming tip wherein the channel-forming tip is adapted to create channels in the heart of a patient. A method in accordance with the present invention includes the steps of inserting an end effector having a tip into a patient, placing the tip of the end effector in direct contact with a surface of the heart, energizing the end effector to cause the tip to vibrate, piercing through the surface of the heart with the tip to create a channel, and removing the end effector.
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Davison Thomas W.
DiMatteo Stephen
Buiz Michael
Ethicon Endo-Surgery Inc.
Kreger, Jr. Verne E.
Truong Kevin
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