Sizing and therapeutic catheter with sheath
First Claim
1. An intravascular gauging system, comprising:
- a catheter having an elongated shaft with proximal and distal ends;
an outer sheath formed of a compliant material and having a length which is entirely disposed directly about at least a portion of the catheter elongated shaft and being slidable over the same.
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Accused Products
Abstract
The present invention is directed to a gauging system and method for using the same for determining the size of a lesion within a patient'"'"'s body prior to stenting the lesion. In one embodiment the gauging system includes a catheter having an elongated shaft with proximal and distal ends, and an outer sheath formed of a compliant material and disposed about at least a portion of the catheter elongated shaft and being slidable over the same. In another embodiment, the gauging system further includes a radially expandable member formed of the same or different compliant material mounted on a distal section of the shaft and has an interior chamber in fluid communication with an inflation lumen extending within at least a portion of a distal shaft section to a location spaced proximally from the shaft distal end.
82 Citations
28 Claims
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1. An intravascular gauging system, comprising:
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a catheter having an elongated shaft with proximal and distal ends;
an outer sheath formed of a compliant material and having a length which is entirely disposed directly about at least a portion of the catheter elongated shaft and being slidable over the same. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An intravascular gauging system, comprising:
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a catheter having an elongated shaft with proximal and distal ends and inflation lumen extending within at least a portion of a distal shaft section to a location spaced proximally from the shaft distal end;
an essentially wingless radially expandable uninflated balloon formed of a first compliant material mounted on the distal shaft section and having an interior chamber in fluid communication with the shaft inflation lumen; and
an outer sheath formed of a second compliant material slidabley disposed about at least a portion of the catheter elongated shaft and having a distal portion slidably disposed about the expandable member. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A method for determining the size of a lesion lumen at a location within a patient'"'"'s body, comprising:
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providing a gauging system, comprising a catheter having an elongated shaft with proximal and distal ends;
an outer sheath formed of a compliant material and having a length which is entirely disposed directly about at least a portion of the catheter elongated shaft and being slidable over the same;
inserting the gauging system into the patient'"'"'s body;
advancing the gauging system to the location; and
determining the size of the lesion.
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28. A method for determining the size of a lesion lumen at a location within a patient'"'"'s body, comprising:
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providing a gauging system, comprising a catheter having an elongated shaft with proximal and distal ends and inflation lumen extending within at least a portion of a distal shaft section to a location spaced proximally from the shaft distal end;
an essentially wingless radially expandable uninflated balloon formed of a first compliant material mounted on the distal shaft section and having an interior chamber in fluid communication with the shaft inflation lumen; and
an outer sheath formed of a second compliant material slidably disposed about at least a portion of the catheter elongated shaft and having a distal portion slidably disposed about the expandable member;
inserting the catheter into the patient'"'"'s body;
advancing the catheter to the location;
retracting the outer sheath in a proximal position to expose at least a portion of the expandable member;
advancing the portion of the catheter having the expandable member there to cross the lesion;
inflating the exposed portion of the expandable member to size allowing the sheath to cross the lesion.
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Specification