Abstract: The present invention provides improved medical introducer devices which incorporate a single or multi-layer PTFE peelable sheath. Devices of the present invention are suitable for use in inserting an ancilliary medical device, e.g., a catheter, guide wire and the like, into a patient. Methods of the present invention also are disclosed which employ a precision sintering process in order to produce sheaths having excellent tear properties and optimal peelability.
Type:
Grant
Filed:
May 21, 2002
Date of Patent:
December 16, 2003
Assignee:
TFX Medical, Inc.
Inventors:
Peter Dwight Spohn, Dean David Dinsmore
Abstract: The present invention provides improved medical introducer devices which incorporate a single or multi-layer PTFE peelable sheath. Devices of the present invention are suitable for use in inserting an ancilliary medical device, e.g., a catheter, guide wire and the like, into a patient. Methods of the present invention also are disclosed which employ a precision sintering process in order to produce sheaths having excellent tear properties and optimal peelability.
Type:
Grant
Filed:
December 23, 1999
Date of Patent:
September 24, 2002
Assignee:
TFX Medical, Inc.
Inventors:
Peter Dwight Spohn, Dean David Dinsmore