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. 12, 1994
Filed:
Apr. 23, 1993
Masayuki Horiguchi, Ichinomiya, JP;
Hideo Oda, Gamagori, JP;
Nidek Co., Ltd., Aichi, JP;
Abstract
An irrigation and aspiration apparatus for cataract surgery or the like, which is particularly suitable for aspiration and removal of the cortex lentis during the surgical operation. As for the structure, the irrigation and aspiration apparatus of the present application includes a selector coupling to which ends of a plurality of aspiration tubes are connected, while the other ends of the aspiration tubes are respectively connected to handpieces which can perform aspiration, so that one of the handpieces for aspirating irrigating fluid and the like from a diseased eye of a patient can be chosen by switching the selector coupling. With this structure, aspiration and removal of the residual cortex after removal of the lens nucleus in the surgery of the crystalline lens can be accomplished easily and reliably, thereby relieving the doctor and the patient from the stress and load of the surgical operation.