Medical fluid infusion and aspiration
First Claim
Patent Images
1. A slit valve catheter, comprising:
- an elongated, generally tubular catheter body having an exterior surface exposed to an environment and an interior surface defining a lumen, said catheter body including a valve comprising a protuberance projecting from the catheter body and a slit through the protuberance and the catheter body.
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Accused Products
Abstract
In an embodiment, a slit valve catheter has a generally tubular catheter body with an exterior surface exposed to an environment and an interior surface defining a lumen. The catheter further includes a valve which has a protuberance projecting radially from the catheter body.
207 Citations
44 Claims
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1. A slit valve catheter, comprising:
an elongated, generally tubular catheter body having an exterior surface exposed to an environment and an interior surface defining a lumen, said catheter body including a valve comprising a protuberance projecting from the catheter body and a slit through the protuberance and the catheter body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A slit valve catheter, comprising:
an elongated, generally tubular catheter body having an exterior surface exposed to an environment and an interior surface defining a lumen, said catheter body including a valve comprising a generally convex exterior surface portion and a protuberance projecting radially outward from the convex exterior surface portion into the environment and a slit through the protuberance and the catheter body, the interior surface defining a generally concave interior surface portion opposite the convex exterior surface portion. - View Dependent Claims (24, 25, 26, 27)
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28. A slit valve catheter, comprising:
an elongated, generally tubular catheter body having an exterior surface exposed to an environment and an interior surface defining a lumen, said catheter body including a valve comprising a generally concave exterior surface portion and a protuberance projecting radially inward from the interior surface opposite the concave exterior surface portion and a slit through the protuberance and the catheter body, and having a generally uniform wall thickness between the interior and exterior surface in portions adjacent said protuberance. - View Dependent Claims (29, 38)
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30. A slit valve catheter, comprising
an elongated, generally tubular catheter body having an exterior surface exposed to an environment and an interior surface defining a lumen, said catheter body including a first valve and a second valve, said first valve comprising a protuberance projecting radially from the catheter body and a slit through the protuberance and the catheter body.
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39. A slit valve catheter, comprising:
an elongated, generally tubular catheter body having an exterior surface exposed to an environment and an interior surface defining a first lumen and a second lumen, said catheter body including a first valve to said first lumen, said first valve comprising a protuberance projecting radially from the catheter body and a slit through the protuberance and the catheter body to said first lumen. - View Dependent Claims (40, 41)
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42. A method of infusing fluid into a body or aspirating fluid from a body comprising:
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delivering into the body a catheter having a generally elongated catheter body including an exterior surface exposed to the body and an interior surface defining a lumen, the catheter further including an aspiration valve and an infusion valve, wherein at least one of said valves includes a protuberance projecting from the catheter body for permitting one of aspiration or infusion while resisting one of infusion or aspiration, and varying pressure in said lumen to effect infusion or aspiration. - View Dependent Claims (43, 44)
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Specification