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. 28, 2015
Filed:
Apr. 28, 2008
Takao Tanaka, Tokyo, JP;
Takao Tanaka, Tokyo, JP;
SEIKAGAKU CORPORATION, Tokyo, JP;
TOKYO MEDICAL UNIVERSITY, Tokyo, JP;
Abstract
A method for micro-incision cataract surgery, wherein a solution containing hyaluronic acid having a weight average molecular weight of from 600,000 to 1,200,000 or a salt thereof is injected into the anterior chamber, and flow rate of a perfusion liquid in the anterior chamber is set to about be 35 to 40 mL/min or less, a method for evaluating retentivity of a viscoelastic material, which uses a device consisting of a micro-flare ultrasonic chip arranged in water, a sleeve which covers said chip and a hollow cylinder into which said chip is inserted, and a composition for evaluation of retentivity of a viscoelastic material, which comprises at least said viscoelastic material and a fluorescent granule, are provided.