Catheter shaft assembly
First Claim
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1. A catheter shaft assembly, comprising:
- a first elongate shaft having an inner surface defining a lumen;
a second elongate shaft having an outer surface, the second elongate shaft slidingly disposed within the lumen of the first elongate shaft;
an interstitial member disposed between the inner surface of the first elongate shaft and the outer surface of the second elongate shaft, the interstitial member having a proximal end, a distal end, an inner surface, and an outer surface, the inner surface of the interstitial member facing a portion of the outer surface of the second elongate shaft between the proximal and distal ends of the interstitial member, and the inner surface of the interstitial member shaped to engage only a portion of the portion of the outer surface of the second elongate shaft between the proximal and distal ends of the interstitial member;
a housing disposed about the first elongate shaft proximate the proximal end thereof;
a slider disposed about the second elongate shaft proximate a proximal portion thereof wherein the slider is disposed within a chamber defined by the housing;
a plurality of indicia disposed upon a surface of the housing proximate the slider;
the second elongate shaft forming a point at the distal end thereof;
the second elongate shaft defining an injection port proximate the point thereof; and
the second elongate shaft defining an injection lumen in fluid communication with the injection port.
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Abstract
A catheter shaft assembly is disclosed. A catheter shaft in accordance with the present invention comprises a first elongate shaft having an inner surface defining a lumen, a second elongate shaft slidingly disposed within the lumen of the first elongate shaft, at least one interstitial member disposed between the inner surface of the first elongate shaft and the outer surface of the second elongate shaft.
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Citations
6 Claims
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1. A catheter shaft assembly, comprising:
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a first elongate shaft having an inner surface defining a lumen;
a second elongate shaft having an outer surface, the second elongate shaft slidingly disposed within the lumen of the first elongate shaft;
an interstitial member disposed between the inner surface of the first elongate shaft and the outer surface of the second elongate shaft, the interstitial member having a proximal end, a distal end, an inner surface, and an outer surface, the inner surface of the interstitial member facing a portion of the outer surface of the second elongate shaft between the proximal and distal ends of the interstitial member, and the inner surface of the interstitial member shaped to engage only a portion of the portion of the outer surface of the second elongate shaft between the proximal and distal ends of the interstitial member;
a housing disposed about the first elongate shaft proximate the proximal end thereof;
a slider disposed about the second elongate shaft proximate a proximal portion thereof wherein the slider is disposed within a chamber defined by the housing;
a plurality of indicia disposed upon a surface of the housing proximate the slider;
the second elongate shaft forming a point at the distal end thereof;
the second elongate shaft defining an injection port proximate the point thereof; and
the second elongate shaft defining an injection lumen in fluid communication with the injection port. - View Dependent Claims (2, 3, 4, 5)
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6. A catheter shaft assembly, comprising:
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a first elongate shaft having an inner surface defining a lumen;
a second elongate shaft slidingly disposed within the lumen of the first elongate shaft;
at least one interstitial member disposed between the inner surface of the first elongate shaft and the outer surface of the second elongate shaft, wherein the at least one interstitial member comprises a radial rib extending beyond the inner surface of the first elongate shaft;
a housing disposed about the first elongate shaft proximate the proximal end thereof;
a slider disposed about the second elongate shaft proximate a proximal portion thereof wherein the slider is disposed within a chamber defined by the housing;
a plurality of indicia disposed upon a surface of the housing proximate the slider;
the second elongate shaft forming a point at the distal end thereof;
the second elongate shaft defining an injection port proximate the point thereof; and
the second elongate shaft defining an injection lumen in fluid communication with the injection port.
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Specification
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Current AssigneeBoston Scientific Scimed, Inc. (Boston Scientific Corporation)
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Original AssigneeScimed Life Systems Incorporated (Boston Scientific Corporation)
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InventorsCrank, Justin, Hawk, Matthew, Larson, Scott, Slaker, Bradley
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Primary Examiner(s)Thanh, LoAn H.
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Application NumberUS09/635,083Time in Patent Office1,743 DaysField of Search604 19- 21, 604/27, 604/93.01, 604/115, 604/116, 604/117, 604158-159, 604161-162, 604/164.01, 60416406-16409, 604/164.11, 604/164.12, 60416501-16502, 604/166.01, 604/173, 604/2.A, 604/272, 604/523, 604/528, 604/533, 606/1, 606/167, 606/172, 606/185, 607 1- 3, 600433-435, 600/564, 600/585US Class Current604/164.01CPC Class CodesA61M 2025/0089 Single injection needle pro...A61M 25/0021 characterised by the form o...A61M 25/0023 by the form of the lumen, e...A61M 25/0043 characterised by structural...A61M 25/0084 being one or more injection...
