IP Library › Patent Application 12218571
Patent Application
App. No. 12/218,571

Absorbable tissue dressing assemblies, systems, and methods formed from a Hydrophilic chitosan sponge structure and including a flexible absorbable backing layer of poly-4-hydroxy butyrate

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Quick Facts
Patent No.
US None
App. No.
12/218,571
Abstract

Absorbable tissue dressing assemblies are formed from hydrophilic polymer sponge structures, such as chitosan.

Claims (8)

1 . An absorbable tissue dressing assembly comprising

a tissue dressing matrix comprising an absorbable hydrophilic material made from chitosan, and

a flexible absorbable polymer film backing layer consisting essentially of a poly-4-hydroxy butyrate biomaterial.

2 . An assembly according to claim 1

wherein the flexible absorbable polymer film backing layer comprises a mesh.

3 . A method comprising

providing an absorbable tissue dressing assembly as defined in claim 1 or 2 , and

performing laparoscopic partial nephrectomy (LPN) using the absorbable tissue dressing assembly.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 22, 2008
From: MCCARTHY, SIMON; MCGRATH, BARBARA; WINATA, ERVELYN
To: HEMCON MEDICAL TECHNOLOGIES, INC.
Reel/Frame 021592/0073 →