US 5,509,908 AGranted

Angular sheath introducer

AssigneeNovoste Corporation

InventorsRichard A. Hillstead, Joseph B. Muhlestein

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Abstract

A sheath introducer for a catheterization or similar procedure comprises a body having a upper portion and a lower portion, the lower portion being angled with respect to the upper portion; a curved tapering channel extending through the upper and lower portions; a cannula with a tapered distal end extending at an angle with respect to the upper portion a hemostatic valve having an access port and a fluid tight slit opening and seated within the upper portion and maintained by a cap; and an angled sideport in fluid communication with the channel. Optionally, a wiper flange extends inward within the valve access port which provide an additional fluid tight seal when a catheter is slidingly inserted, removed or maintained within the valve. A dilator can be adapted for use with the introducer by having a bend in the tube portion of the dilator.

Claims15

Dependent claims

A hemostatic sheath introducer, comprising:

a tubular body having a first curved lumen extending therethrough and a top and a bottom end said first lumen tapering from said top to said bottom, said top being angled with respect to said bottom;
a cap having an opening therein sized to be fitted onto said top end;
an elastomeric valve having an opening and a slit defined therein adapted for receiving an elongated member in a slidingly sealable relationship, said valve being receivable within said top and maintained in place by said cap;
a cannula extending from said bottom, said cannula being in fluid communication with said first lumen and said cannula being offset from the center of said body;
and,
a sideport comprising a second lumen extending laterally from said first lumen to said sidewall and a boss extending outward from a sideport comprising a second lumen extending laterally frown said first lumen and a boss extending outward from said body, and said second lumen being in fluid communication with said first lumen.

3 more elements

Dependencies are inferred from the claim text.