Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Coated or impregnated woven – knit – or nonwoven fabric which... – Coating or impregnation functions biologically
Reexamination Certificate
2006-08-01
2006-08-01
Ruddock, Ula (Department: 1771)
Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Coated or impregnated woven, knit, or nonwoven fabric which...
Coating or impregnation functions biologically
C424S443000, C424S444000, C442S334000, C442S340000, C514S801000, C604S367000, C604S368000, C623S915000, C623S917000
Reexamination Certificate
active
07084082
ABSTRACT:
The objective of the present invention is to provide a collagen material that possesses physical properties to an extent that allows suturing while still maintaining the biochemical properties inherently possessed by collagen, and retains its shape for a certain amount of time even after application to the body; its production process; and, a medical material on which it is based, examples of which include a artificial tube for nerve, artificial tube for spinal cord, artificial esophagus, artificial trachea, artificial blood vessel, artificial valve or alternative medical membranes such as artificial endocranium, artificial ligaments, artificial tendons, surgical sutures, surgical prostheses, surgical reinforcement, wound protecting materials, artificial skin and artificial cornea, characterized by filling or having inside a substance having biocompatibility that can be degraded and absorbed in the body into a matrix of a non-woven fabric-like multi-element structure of collagen fibers having ultra-fine fibers of collagen as its basic unit.
REFERENCES:
patent: 6179872 (2001-01-01), Bell et al.
patent: WO 9822157 (1998-05-01), None
Boyd Jennifer
Conlin David G.
Edwards Angell Palmer & & Dodge LLP
Ruddock Ula
Russett Mark D.
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