Folded ultrasonic end effectors with increased active length

Details Folded ultrasonic end effectors with increased active length Folded ultrasonic end effectors with increased active length

2011-03-08

2011-03-08

Nguyen, Anhtuan T (Department: 3731)

Surgery

Instruments

Cutting, puncturing or piercing

Reexamination Certificate

active

07901423

ABSTRACT:
An end effector for use with an ultrasonic surgical instrument. A body extends along a longitudinal axis. The body includes a proximal end and a distal end. The proximal end of the body is configured to couple to an ultrasonic transducer configured to produce vibrations at a predetermined frequency. A folded element includes a first end coupled to the distal end of the body at a predetermined region between a node and an antinode. The folded element extends along the longitudinal axis from the distal end to the proximal end of the body. The folded element comprises a second free acoustic end. A distal portion of the body and the folded element define a parallel acoustic path.

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