Method and apparatus for locating vascular punctures
First Claim
Patent Images
1. A vascular insertion apparatus, comprising:
- a vascular insertion sheath;
a tissue puncture sealing device;
a switch in the vascular insertion sheath, the tissue puncture sealing device, or both for controlling blood flow from a subcutaneous puncture.
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Abstract
The present invention provides vascular insertion sheaths and other tools having penetration locators. The insertion sheaths or other tools also have a switch for controlling fluid flow therethrough. The switch may be a valve or a closed indication chamber that reduces or eliminates blood loss to atmosphere while still providing a visual indication of lumen penetration.
86 Citations
49 Claims
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1. A vascular insertion apparatus, comprising:
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a vascular insertion sheath;
a tissue puncture sealing device;
a switch in the vascular insertion sheath, the tissue puncture sealing device, or both for controlling blood flow from a subcutaneous puncture. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A vascular insertion apparatus, comprising:
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a vascular puncture locator;
an insertion sheath receptive of the puncture locator;
a fluid communication path through the puncture locator;
a valve disposed along the fluid communication path for selectively opening and closing the fluid communication path through the puncture locator on demand. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A vascular apparatus, comprising:
a vascular insertion sheath having an internal passageway for allowing the passage of vascular instruments or closure devices therethrough, the vascular insertion sheath comprising a switch along a fluid communication path through the sheath for controlling blood flow from a subcutaneous puncture;
wherein the fluid communication path through the sheath is separate from the internal passageway.- View Dependent Claims (28, 29, 30, 31)
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32. A vascular insertion assembly, comprising:
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an insertion sheath having a distal end, a proximal end, and an inside diameter;
a puncture locator sized to fit in the inside diameter of the insertion sheath, the puncture locator having a distal end and a proximal end;
a first inlet port located at the distal end of the sheath;
a first closed visual indicator in fluid communication with the first inlet port, such that when the first inlet port penetrates a vessel the first indicator provides visual indication without discharging blood to atmosphere. - View Dependent Claims (33, 34, 35)
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36. A tissue puncture closure device for partial insertion into and sealing of an internal tissue wall puncture, comprising:
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a filament extending from a first end of the closure device to a second end of the closure device;
an anchor for insertion through the tissue wall puncture attached to the filament at the second end of the closure device;
a sealing plug slidingly attached to the filament adjacent to the anchor;
a switch for controlling blood flow from the tissue wall puncture through the tissue closure device. - View Dependent Claims (37, 38, 39, 40, 41)
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42. A method of controlling blood flow from a vascular insertion apparatus, comprising:
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providing a vascular insertion sheath having in internal diameter receptive of a vascular tool and a fluid communication path separate from the internal diameter;
providing a switch disposed along the fluid communication path in the vascular insertion sheath that is selectively operated to permit or restrict blood flow from a subcutaneous puncture through the fluid communication path in the vascular insertion sheath. - View Dependent Claims (43, 44)
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45. A method of locating a vascular puncture, comprising:
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inserting a vascular instrument or insertion sheath into a percutaneous incision;
allowing a flow of blood to enter a fluid passageway disposed in the vascular instrument or insertion sheath;
controlling the flow of blood allowed to enter the fluid passageway;
monitoring a visual indicator of blood flow. - View Dependent Claims (46, 47, 48, 49)
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Specification