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:
Jul. 29, 2003
Filed:
Nov. 30, 2001
Applicant:
Inventor:
William J. Neubert, Ballwin, MO (US);
Assignee:
Bausch & Lomb Incorporated, Rochester, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 1/00 ;
U.S. Cl.
CPC ...
A61M 1/00 ;
Abstract
An ophthalmic surgical pump system includes a collection reservoir and a venturi pump for creating a vacuum level for aspirating fluid and tissue from a surgical site to the collection reservoir Aspiration tubing connects to each of a surgical handpiece and the collection reservoir A flow meter is electrically connected to either the aspiration tube or the collection reservoir . Control circuitry is connected to the flow meter and to the venturi pump for varying a vacuum level of the pump to maintain a desired flow rate of the fluid and tissue being aspirated from the surgical site.