DEFLECTABLE ELECTRODE WITH HIGHER DISTAL BIAS RELATIVE TO PROXIMAL BIAS
An end-effector and a surgical instrument are disclosed. The end-effector includes a clamp arm and an ultrasonic blade configured to acoustically couple to an ultrasonic transducer and to electrically couple to a pole of an electrical generator. The clamp arm includes a clamp jaw defining zones, a s...
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| creator | GUO, Wei SARLEY, John M HARRIS, Demetrius N LUCAS, Guion Y MESSERLY, Jeffrey D SALGUERO, Joseph S SHELTON IV, Frederick E FLAKER, Richard W BREHM, Tyler N BRUNSON JR., Bruce BISHOP, Gregory D KEENAN, Michael A ESTERA, Frederick BISHOP, Robert S VALENTE, Lauren M FALLER, Craig N KEMPER, Joseph H BURKART, Ellen E OLSON, William A STROBL, Geoffrey S LEUCK, Stephen M MASTROIANNI, Nina BOUDREAUX, Chad P |
| description | An end-effector and a surgical instrument are disclosed. The end-effector includes a clamp arm and an ultrasonic blade configured to acoustically couple to an ultrasonic transducer and to electrically couple to a pole of an electrical generator. The clamp arm includes a clamp jaw defining zones, a spring disposed in each of the zones, and a cantilever electrode configured to couple to an opposite pole of the electrical generator disposed along the zones and in contact with each of the springs to apply a variable spring bias along the length of the cantilever electrode. The cantilever electrode is fixed to the clamp jaw at a proximal end and free to deflect at a distal end. The spring bias force a spring in a zone is different from the spring bias force bias of another spring in another zone. |
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The end-effector includes a clamp arm and an ultrasonic blade configured to acoustically couple to an ultrasonic transducer and to electrically couple to a pole of an electrical generator. The clamp arm includes a clamp jaw defining zones, a spring disposed in each of the zones, and a cantilever electrode configured to couple to an opposite pole of the electrical generator disposed along the zones and in contact with each of the springs to apply a variable spring bias along the length of the cantilever electrode. The cantilever electrode is fixed to the clamp jaw at a proximal end and free to deflect at a distal end. 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The end-effector includes a clamp arm and an ultrasonic blade configured to acoustically couple to an ultrasonic transducer and to electrically couple to a pole of an electrical generator. The clamp arm includes a clamp jaw defining zones, a spring disposed in each of the zones, and a cantilever electrode configured to couple to an opposite pole of the electrical generator disposed along the zones and in contact with each of the springs to apply a variable spring bias along the length of the cantilever electrode. The cantilever electrode is fixed to the clamp jaw at a proximal end and free to deflect at a distal end. The spring bias force a spring in a zone is different from the spring bias force bias of another spring in another zone.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY |
| title | DEFLECTABLE ELECTRODE WITH HIGHER DISTAL BIAS RELATIVE TO PROXIMAL BIAS |
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