Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1996-10-21
1999-03-09
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
A61M 2500
Patent
active
058793429
ABSTRACT:
Disclosed herewithin is the method of manufacture and apparatus design of a reinforced and flexible tube or catheter that can be used in a variety of applications. The reinforced and flexible tube comprises a thermoplastic tubular member that is surrounded by a helical coil or braided member which is partially or completely embedded within the outer surface of the tubular member. Alternatively, the reinforced and flexible tube can comprise a thermoplastic tubular member that which has a helical coil or braided member that is partially or completely embedded within the inner surface of the tubular member.
The first method of embedding the metallic coil or braided wire comprises the steps of engaging the metallic structure over the outer surface of the tubular member, applying heat through an appropriately sized mold to the outer surface of the tubular member while creating a pressure differential between the inner lumen and the outside surface of the tubular member for a specified period of time.
The second method of embedding the metallic coil or braided wire comprises the steps of engaging the metallic structure onto the outer surface of a mandrel, positioning the mandrel/metallic structure within the lumen of the tubular member, placing the tubular member within an appropriately sized mold, applying heat through the mold to the tubular member while creating a pressure differential between the inner lumen and the outside surface of the tubular member for a specified period of time.
The flexible and reinforced tubular member resulting from these processes contains a sequence of ridges on the inner surface of the tubular member.
Regardless of the particular application or design of the tubing, a coating may be placed over the outer or inner surface of the tubular member.
Furthermore, the tubular member can be a single lumen or multiple lumen design.
REFERENCES:
patent: 3879516 (1975-04-01), Wolvek
patent: 4043856 (1977-08-01), Steward
patent: 4368088 (1983-01-01), Asakura et al.
patent: 4580551 (1986-04-01), Siegmund
patent: 4753222 (1988-06-01), Koji
patent: 5040543 (1991-08-01), Badera et al.
patent: 5101682 (1992-03-01), Radisch
patent: 5244619 (1993-09-01), Burnham
Klicpera, Esq. Michael E.
Mendez Manual
Yasko John D.
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