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:
Sep. 23, 2003
Filed:
Oct. 01, 2001
Asclepion-Meditec AG, Jena, DE;
Abstract
A medical instrument for phacoemulsification with which the biological tissue of a lens of the eye is comminuted by the introduction of energy, the comminuted product is sucked out through an incision in the cornea, while intraocular pressure is maintained by supplying an irrigating liquid. In an instrument of the type mentioned above, two cannulas are provided for sucking out the ablated lens material and for supplying the irrigating liquid and are connected, via feed lines, with the suction device and with the supply device. A switchable directional valve is provided in the feed lines between the cannulas and the suction device and supply device, by means of which, in a first valve position, a first cannula is connected with the suction device and the second cannula is connected with the supply device and, in a second valve position, the second cannula is connected with the suction device and the first cannula is connected with the supply device.