Claims
- 1. A medical device for insertion into the body of the device including a portion thereof having a contacting surface which movingly contacts a body surface or another device surface during insertion or operation of the device, said contacting surface comprising a substrate having two coatings disposed thereon, the first of said coatings being adjacent said substrate and a second of said coatings overcoating the first coating, the first coating comprising lubricious hydrogel material and the second coating comprising a hydrophobic coating material and at least one hydrophilic surfactant.
- 2. A medical device as in claim 1 wherein said device is a catheter having an outer surface which movingly contacts the body during insertion and said portion thereof is at said outer surface.
- 3. A medical device as in claim 1 wherein the device is a balloon catheter and said portion thereof is an outer surface of the balloon.
- 4. A medical device as in claim 1 wherein the device is a guide catheter.
- 5. A medical device as in claim 1 wherein the device is a needle.
CROSS-REFERENCE TO RELATED APPLICATION
This application is a continuation of application Ser. No. 09/316,502, filed May 21, 1999, now U.S. Pat. No. 6,176,849, the contents of which is hereby incorporated by reference.
US Referenced Citations (38)
Foreign Referenced Citations (8)
Number |
Date |
Country |
0 338 418 |
Oct 1989 |
EP |
0 380 102 |
Aug 1990 |
EP |
0 480 809 |
Apr 1992 |
EP |
0 519 604 |
Dec 1992 |
EP |
0 693 293 |
Jan 1996 |
EP |
9108790 |
Jun 1991 |
WO |
9427665 |
Dec 1994 |
WO |
9609086 |
Mar 1996 |
WO |
Non-Patent Literature Citations (4)
Entry |
Szycher, Ph.D., Michael, “Biostability of Polyurethane Elastomers: A Critical Review”, Blood Compatible Materials and Devices Perspectives Towards the 21st Century, Chapt. 4, pp 33-85 (1991). |
Tecoflex® brochure. |
Gantrez® AN Copolymer brochure. |
Author unknown, “Release Agents”, 14:411-420 (date unknown). |
Continuations (1)
|
Number |
Date |
Country |
Parent |
09/316502 |
May 1999 |
US |
Child |
09/728589 |
|
US |