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Catheter Technology Corporation Patents
Assignee:
Catheter Technology Corporation
Address:
Salt Lake City, UT
No. of patents:
6
Patents:












Patent Number Title Of Patent Date Issued
4995863 Catheter with slit valve February 26, 1991
Catheter tubes of elastomeric material having novel lumen shapes which prevent occlusion and accommodate continued liquid flow even when kinked. Also, catheter tube slit valves are disclosed, the walls of which are not chemically weakened. Symmetrical and asymmetrical versions of said sl
4983168 Medical layered peel away sheath and methods January 8, 1991
A layered peel away hollow sheath for temporarily creating a passageway into a desired body site of a medical patient for placement of one end of an indwelling device at the body site through the sheath, the sheath wall comprising at least two layers, the inside layer being cylindrical a
4753640 Catheters and methods June 28, 1988
Catheter tubes of elastomeric material having novel lumen shapes which prevent occlusion and accommodate continued liquid flow even when kinked. Also, catheter tube slit valves are disclosed, the walls of which are not chemically weakened. Symmetrical and asymmetrical versions of said sl
4559046 Apparatus for intravenous therapy and hyperalimentation December 17, 1985
Apparatus for intravenous therapy including hyperalimentation comprises a flexible closed-end catheter having a valve adjacent its proximal end. It is inserted through the skin of a patient and into a vein having a suitably large flow of blood therethrough. A removable internal stiffenin
4549879 Valved two-way catheter October 29, 1985
Catheter of soft, flexible material is formed with closed end. Fluid opening formed by single slit through tubing wall of such length that valve will open only upon application of predetermined pressure differentials. Removable stiffener member is positioned in catheter, abutting clo
4529399 Method and apparatus for placing a catheter July 16, 1985
The skin and a subjacent body vessel is pierced with a needle mounted on a fluid-fillable chamber at the opposite end of which is a plunger movable into the chamber. In one embodiment, disposed within the needle and chamber is a closed-ended flexible catheter. A flexible stylet is dispos

 
 
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