Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1994-10-05
1996-04-16
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604283, 604256, 604905, A61M 514, A61M 2500
Patent
active
055077323
ABSTRACT:
The present invention is accomplished by providing a catheter manifold (15) having a manifold catheter lumen (115) extending longitudinally therethrough plus a rotationally symmetrical, conically tapering, elastomeric distal seal (65) for gripping the catheter shaft (70), the proximal end of the distal seal (65) having a smaller diameter than the distal end, the distal end of the manifold catheter lumen (115) being conically tapered and sized for a friction fit with the distal seal (65) when the distal seal (65) is inserted into the distal end of the manifold catheter lumen (115), the distal seal (65) having a longitudinally extending distal seal catheter lumen (120). In addition, the catheter manifold (15) has a rotationally symmetrical, conically tapering, elastomeric proximal seal (55) for gripping the guidewire shaft (135), the proximal end of the proximal seal (55) having a larger diameter than the distal end, the proximal end of the manifold catheter lumen (115) having a conical taper sized for a friction fit with the proximal seal (55 ) when the proximal seal (55) is inserted into the proximal end of the manifold catheter lumen (115), the proximal seal (55) having a longitudinally extending proximal seal catheter lumen (110). The ratio of the proximal seal (55) length to the proximal seal (55) major diameter is about 2 to 1. The ratio of the distal seal (65) length to the distal seal (65) major diameter is about 2 to 1. The ratio of the distal seal (65) minor diameter to the distal seal (65) major diameter is about 1 to 1.5 and the ratio of the proximal seal (55) minor diameter to the proximal seal (55) major diameter is about 1 to 1.5. The proximal (55) and distal seals (65) are made of a 30-50 Shore A USP Class VI elastomer material. In another embodiment, conventional sealing such as threaded parts, adhesive or a Tuohy-Borst connector can be substituted for either of applicant's compression seals.
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Gerstmar Ernie P.
Gibbons Matthew S.
McClure Robert W.
Parkola Walter R.
Smith Everett D.
Cermak Adam J.
Medtronic Inc.
Patton Harold R.
Plunkett Dianne M. F.
Yasko John D.
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