The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 15, 1990
Filed:
Mar. 21, 1988
Maurice M Imonti, Dana Point, CA (US);
Charles E Beuchat, Irvine, CA (US);
The Cooper Companies, Inc., Menlo Park, CA (US);
Abstract
A surgical aspirator cannula including an elongated body member having a longitudinal aspiration conduit, and a valve assembly supported by the body member and operable to close off the aspiration conduit. The valve assembly includes a thumb switch pad and a plunger having a bore laterally therethrough. When the switch pad is depressed the bore is aligned with the aspiration conduit and suction pressure communicates with the cannula. By sliding it forward, the switch pad can be locked into this open position. When released the plunger is biased upward by a coil spring so that the bore is no longer aligned with the conduit and thereby closing it. A securing assembly removably secures the desired cannula to the forward end of the elongated body member. A generally tubular hub of the securing assembly is pressed fitted into the forward bore of the elongated body member. A ring lock encircles the hub and is rotatable with respect thereto. Forward slots in the hub assembly and the ring lock can be aligned and when aligned the radial pin of the cam lock of a cannula is inserted therein. When the ring lock is then turned the cannula via its locking pin is brought rearward towards and secured to the body member.