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US 5,181,913 AGranted
Catheter with check valve and rolled sheath
AssigneePRN Services, Inc.
InventorFrederick Erlich
Life of this patent
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Abstract
A catheter for use in removing body fluids includes a hollow, tubular catheter with a one-way check valve disposed therein to substantially limit fluid flow therethrough to a single direction. The catheter further includes a tubular sheath disposed in a rolled-up fashion therearound to aid in sterile disposal thereof.
Claims4
A disposable device for a single time transfer of body fluids comprising:
- a hollow, tubular catheter having a first end and a second end, and having at least one inlet disposed proximate the first end thereof and at least one outlet disposed proximate the second end;
- a check valve disposed in the catheter for substantially limiting the fluid flow therethrough to a single direction;
- a tubular normally rolled-up sheath disposed around the catheter medial the first end and the second end, the sheath being unrollable with a portion thereof extending past the first end of the catheter after use;
- means for sealing the portion of sheath extending beyond the first end of the catheter after the sheath is unrolled;
- and
- wherein substantially the entire portion of the tubular catheter is enclosable and sealable within the sheath after use.
3 more elements
Dependencies are inferred from the claim text.