IP Library › Granted Patent US 7,731,941
Granted Patent B2
US 7,731,941 · App. 11/792,462 · Granted Jun 8, 2010

Staining composition for staining an ophthalmic membrane

Assignee: National University Corporation Kyushu University
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Quick Facts
Patent No.
US 7,731,941
App. No.
11/792,462
Granted
Jun 8, 2010
Kind
B2
Abstract

A staining composition for staining an ophthalmic membrane when performing the ophthalmic membrane removal, wherein the staining composition comprises a Brilliant Blue G (BBG) derivative as a primary component.

Claims (9)

1. A method for staining and removing an ophthalmic membrane comprising:

preparing a staining composition, the staining composition comprising a Brilliant Blue G (BBG), a pharmaceutically acceptable salt of BBG or a hydrate of BBG, as a primary component;

staining the ophthalmic membrane by using a predetermined concentration of the staining composition; and

peeling the stained membrane.

2. The method of claim 1 , wherein the predetermined concentration of the staining composition is in the range of 0.1 mg/ml to 10 mg/ml of BBG, a pharmaceutically acceptable salt of BBG or a hydrate of BBG.

3. The method of claim 1 , wherein the predetermined concentration of the staining composition is in the range of 0.1 mg/ml to 1.0 mg/ml of BBG, a pharmaceutically acceptable salt of BBG or a hydrate of BBG.

4. The method of claim 1 , wherein the predetermined concentration of the staining composition is in the range of 0.1 mg/ml to 0.25 mg/ml of BBG, a pharmaceutically acceptable salt of BBG or a hydrate of BBG.

5. The method of claim 1 , wherein the ophthalmic membrane is an internal limiting membrane (ILM).

6. The method of claim 1 , wherein the ophthalmic membrane is an anterior capsule.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 26, 2007
From: ENAIDA, HIROSHI; HISATOMI, TOSHIO; ISHIBASHI, TATSURO; KAGIMOTO, TADAHISA; HATA, YASUAKI
To: NATIONAL UNIVERSITY CORPORATION KYUSHU UNIVERSITY
Reel/Frame 019481/0032 →
Continuity (3)
Provisional Application 6063359200 · Dec 6, 2004
Provisional Application 6064750400 · Jan 27, 2005
Related Publication 20080090914A1 · Apr 17, 2008