1
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 ...


2
David G Wuchinich: Method of use of an ultrasonic surgical pre-aspirator having a orifice by-pass. Cooper LaserSonics, Vorys Sater Seymour and Pease, May 14, 1985: US04516398 (87 worldwide citation)

The method of aspirating body tissue and blood from a surgical site along a suction passage having a suction port at an ultrasonically vibrated end of a tool for fragmenting the tissue at the surgical site is improved by introducing an anti-coagulant fluid into the suction passage independently of t ...