Catheter assemblies with flexible radiopaque marker
First Claim
Patent Images
1. A catheter assembly comprising:
- at least one segmented marker band comprising a radiopaque material, the segmented marker band having two ends and a longitudinal slit formed from one end of the segmented marker band to the other end of the segmented marker band; and
a shaft having an inner surface and an outer surface, wherein the at least one segmented marker band being affixed on the inner surface.
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Abstract
A catheter assembly comprising a shaft and at least one flexible radiopaque marker affixed with the shaft. Flexibility of radiopaque marker is achieved by using a segmented band of radiopaque material or a coiled band formed by winding a wire or hollow tube filled with radiopaque material. The flexible radiopaque marker may be affixed with the shaft by an adhesive, by swaging, by crimping, by soldering, or by spring-action tension fit against the shaft.
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Citations
4 Claims
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1. A catheter assembly comprising:
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at least one segmented marker band comprising a radiopaque material, the segmented marker band having two ends and a longitudinal slit formed from one end of the segmented marker band to the other end of the segmented marker band; and
a shaft having an inner surface and an outer surface, wherein the at least one segmented marker band being affixed on the inner surface.
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2. A catheter assembly comprising:
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at least one segmented marker band comprising radiopaque material, the segmented marker band having two ends and a longitudinal slit formed from one end of the segmented marker band to the other end of the segmented marker band; and
a balloon member having a proximal portion, a distal portion, and an inflatable portion therebetween, wherein the at least one segmented marker band defines a midpoint of the inflatable portion.
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3. A catheter assembly comprising:
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at least one segmented marker band comprising radiopaque material, the segmented marker band having two ends and a longitudinal slit formed from one end of the segmented marker band to the other end of the segmented marker band; and
a balloon member having a proximal portion, a distal portion, and an inflatable portion therebetween, wherein the at least one segmented marker band has a length corresponding to a working length of the balloon member.
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4. A catheter assembly comprising:
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two segmented marker bands comprising radiopaque material, each segmented marker band having two ends and a longitudinal slit formed from one end of the segmented marker band to the other end of the segmented marker band; and
a balloon member having a proximal end, a distal end, and an inflatable portion therebetween, wherein one segmented marker band is positioned to indicate the proximal end and the other segmented marker band is positioned to indicate the distal end.
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Specification
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Current AssigneeAdvanced Cardiovascular Systems Incorporated (Abbott Laboratories)
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Original AssigneeAdvanced Cardiovascular Systems Incorporated (Abbott Laboratories)
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InventorsWang, Edwin, White, Roseminda, Nayak, Vidya, Gutting, Christine, Heinemann, Gary, Schreiner, John, Lee, Jeong S.
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Primary Examiner(s)Nguyen, Anhtuan T.
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Assistant Examiner(s)Lam, Ann Y.
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Application NumberUS09/474,668Time in Patent Office1,147 DaysField of Search604/103.1, 604/96.01, 604/95.01, 604/264, 604/93.01, 604/103.09, 604/100, 600/433-435, 600/466US Class Current604/103.1CPC Class CodesA61M 2025/1079 having radio-opaque markers...A61M 25/0108 using radio-opaque or ultra...
