1
David G Wuchinich: Endoscopic electrosurgical apparatus. Valleylab, Pennie & Edmonds, August 2, 1994: US05334183 (834 worldwide citation)

This invention relates to a surgical apparatus having four general embodiments: (1) the use of an ultrasonic vibrator and a radio frequency generator to simultaneously cut and cauterize tissue, (2) the use of an ultrasonic vibrator to cut tissue coupled with the independent use of a radio frequency ...


2
David G Wuchinich, Robert Brendolan, Louis Katz, Donald R Krawitt: Endoscopic ultrasonic aspirators. Sonomed Technology, Pennie & Edmonds, June 14, 1988: US04750902 (415 worldwide citation)

A method and apparatus for endoscopic removal of compliant biological tissues utilizing an endoscopic ultrasonic aspirator comprising irrigation and aspiration means, a piezoelectric ultrasonic transducer, a first resonator such as a half-wave stepped velocity transformer, a probe including a second ...


3
David G Wuchinich, Donald R Krawitt, Robert Brendolan, Louis Katz: Method for removing cellular material with endoscopic ultrasonic aspirator. Valleylab, Pennie & Edmonds, May 8, 1990: US04922902 (274 worldwide citation)

A method and apparatus for endoscopic removal of compliant biological tissues utilizing an endoscopic ultrasonic aspirator comprising irrigation and aspiration means, a piezoelectric ultrasonic transducer, a first resonator such as a half-wave stepped velocity transformer, a probe including a second ...


4
David G Wuchinich: Endoscopic ultrasonic rotary electro-cauterizing aspirator. Sonokinetics Group, Pennie & Edmonds, January 5, 1993: US05176677 (232 worldwide citation)

A surgical instrument having a handpiece; a vibration source within the handpiece for generating mechanical vibrations in response to current supplied thereto; an elongated tool operatively associated with the vibration source and attached to the handpiece at a point where essentially no vibrational ...


5
David G Wuchinich, Alan Broadwin, Robert P Andersen: Ultrasonic aspirator. Cavitron Corporation, Robert M Skolnik, William R Evans, September 23, 1980: US04223676 (214 worldwide citation)

Apparatus for the surgical removal of tissue is disclosed comprising a handpiece having a resonant vibrator with a magnetostrictive stack and connecting body encompassing a hollow elongated tool which is ultrasonically vibrated at its tip longitudinally to a peak to peak stroke of at least 0.005 inc ...


6
David G Wuchinich, Donald R Krawitt, Robert Brendolan, Louis Katz: Vibration apparatus preferably for endoscopic ultrasonic aspirator. Sonomed Technology, Pennie & Edmonds, June 14, 1988: US04750488 (169 worldwide citation)

A method and apparatus for endoscopic removal of compliant biological tissues utilizing an endoscopic ultrasonic aspirator comprising irrigation and aspiration means, a piezoelectric ultrasonic transducer, a first resonator such as a half-wave stepped velocity transformer, a probe including a second ...


7
David G Wuchinich: Apparatus and method for removal of cement from bone cavities. Sonokineticss Group, Robert M Skolnik, December 1, 1992: US05167619 (168 worldwide citation)

A surgical apparatus having a handpiece, a vibration source with the handpiece for generating mechanical vibrations in response to current supplied thereto, and elongated hollow tool operatively associated with the vibration source and attached to the handpiece at a point where essentially no vibrat ...


8
David G Wuchinich: Tapered tip ultrasonic aspirator. Sonokinetics Group, June 22, 1993: US05221282 (164 worldwide citation)

An aspirating ultrasonic surgical device for the melting and removal of thermoplastic prosthetic implant cement is provided. The instrument defines a centrally located bore which expands in diameter from a surgical tip in the direction of aspirant flow for a length equal to at least 1/4 the waveleng ...


9
David G Wuchinich: Surgical pre-aspirator. Cooper LaserSonics, Vorys Sater Seymour & Pease, January 15, 1985: US04493694 (149 worldwide citation)

In a apparatus for aspirating material into an opening into a passage and along the passage, the apparatus has at least one additional opening or orifice for admitting (pre-aspirating) a fluid into the passage. The fluid facilitates aspirating the material along the passage and thus is preferably ad ...


10
David G Wuchinich: Longitudinal-torsional ultrasonic tissue dissection. Connolly Bove Lodge & Hutz, January 10, 2006: US06984220 (140 worldwide citation)

An ultrasonic tissue dissection system providing combined longitudinal and torsional motion of tips, together with irrigation and aspiration, for improved cutting of resistant biological tissue. The system permits the use of common and inexpensive electro-mechanical transducers for the production of ...