Unidirectional delivery system
First Claim
1. A delivery system for placement of a tubular prosthesis at a selected location within a lumen of a patient, the delivery system comprising:
- an inner tubular member having a proximal end and a distal end,an outer tubular member having a proximal end and having a distal end spaced longitudinally some distance from the inner tubular member distal end so that a projecting portion of the inner tubular member projects distally beyond the outer tubular member distal end, the projecting portion being adapted to carry a tubular prosthesis,an intermediate tubular member having a proximal end projecting proximally beyond the proximal end of both the inner and outer tubular members, having a distal end adapted to cover at least the tubular prosthesis carrying portion of the inner tubular member, the intermediate tubular member having a longitudinal slot, anda coupling member comprising a protection extending outwardly from proximal end of the inner tubular member and extending through the longitudinal slot coupling the inner and outer tubular members to each other in permanent fixed relationship, the outwardly extending projection having an outer end coupled to the interior of the outer tubular member,the coupling member being longitudinally shorter than the longitudinal slot so that the intermediate tubular member is longitudinally movable with respect to the inner and outer tubular members, the longitudinal slot being sufficiently long to permit movement of the intermediate tubular member by a distance sufficient to retract the intermediate tubular member distal end from any position covering the tubular prosthesis carrying portion of the inner tubular member.
4 Assignments
0 Petitions
Accused Products
Abstract
A tubular prosthesis delivery system has an inner tubular member having a distal end including a prosthesis-carrying portion and a proximal end intended to remain outside the patient. An outer tubular member has a distal end spaced from the prosthesis-carrying portion of the inner member. A coupling member couples the inner and outer tubular members to each other in fixed relationship generally at a location intended to remain outside the patient. An intermediate tubular member located between the inner and outer tubular members has a distal end adapted to cover the tubular prosthesis and a proximal end that projects proximally beyond the proximal ends of both the inner and outer tubular members. The proximally projecting end of the intermediate tubular member is longitudinally movable with respect to the coupled inner and outer tubular members by a distance sufficient to retract the intermediate tubular member distal end from any position covering the prosthesis carried by the inner member.
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Citations
21 Claims
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1. A delivery system for placement of a tubular prosthesis at a selected location within a lumen of a patient, the delivery system comprising:
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an inner tubular member having a proximal end and a distal end, an outer tubular member having a proximal end and having a distal end spaced longitudinally some distance from the inner tubular member distal end so that a projecting portion of the inner tubular member projects distally beyond the outer tubular member distal end, the projecting portion being adapted to carry a tubular prosthesis, an intermediate tubular member having a proximal end projecting proximally beyond the proximal end of both the inner and outer tubular members, having a distal end adapted to cover at least the tubular prosthesis carrying portion of the inner tubular member, the intermediate tubular member having a longitudinal slot, and a coupling member comprising a protection extending outwardly from proximal end of the inner tubular member and extending through the longitudinal slot coupling the inner and outer tubular members to each other in permanent fixed relationship, the outwardly extending projection having an outer end coupled to the interior of the outer tubular member, the coupling member being longitudinally shorter than the longitudinal slot so that the intermediate tubular member is longitudinally movable with respect to the inner and outer tubular members, the longitudinal slot being sufficiently long to permit movement of the intermediate tubular member by a distance sufficient to retract the intermediate tubular member distal end from any position covering the tubular prosthesis carrying portion of the inner tubular member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 17)
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9. A method of placement of a tubular prosthesis at a selected location within a lumen of a patient, the method comprising the steps of:
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providing a tubular prosthesis on a distal portion of an inner tubular member having a proximal end intended to remain outside said patient and a distal end, locating coaxially an outer tubular member having a proximal end and a distal end so that the outer tubular member distal end is spaced longitudinally some distance from the inner tubular member distal end so that a projecting portion of the inner tubular member and the tubular prosthesis projects distally beyond the outer tubular member distal end, locating an intermediate tubular member having a longitudinal slot between the inner and outer tubular members so that a distal end of the intermediate tubular member covers the prosthesis carried by the inner tubular member projecting portion and so that a proximal end of the intermediate tubular member projects proximally beyond the proximal end of both the inner and outer tubular members, coupling the inner and outer tubular members to each other in permanent fixed relationship by a coupling member extending through the longitudinal slot in the intermediate tubular member, the coupling member comprising a projecting end extending outwardly from the proximal end of the inner tubular member through the longitudinal slot, wherein the outwardly project end is coupled to the interior of the outer tubular member, positioning the prosthesis at a desired location within a patient, and moving the proximal end of the intermediate tubular member with respect to the coupled inner and outer tubular members by a distance sufficient to retract the intermediate tubular member distal end from any position covering the prosthesis. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A delivery system for placement of a tubular prosthesis at a selected location within a lumen of a patient, the delivery system comprising:
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an inner tubular member having a proximal end and a distal end; an outer tubular member having a proximal end spaced proximally beyond the inner tubular member proximal end and having a distal end spaced longitudinally some distance from the inner tubular member distal end so that a projecting portion of the inner tubular member projects distally beyond the outer tubular member distal end, the projecting portion being adapted to carry a tubular prosthesis; an intermediate tubular member having an enlarged proximal end projecting proximally beyond the proximal end of both the inner and outer tubular members, and having a distal end adapted to cover at least the tubular prosthesis carrying portion of the inner tubular member, the intermediate tubular member having a longitudinal slot located distal to the proximal end of the outer tubular member, each of the tubular members having a coaxial relationship with one another; and a coupling member extending from the proximal end of the inner tubular member and through the longitudinal slot, to the interior of the outer tubular member, coupling the inner and outer tubular members in a permanent fixed relationship, the coupling member being longitudinally shorter than the longitudinal slot so that the enlarged proximal end of the intermediate tubular member is longitudinally movable with respect to the inner and outer tubular members, the longitudinal slot being dimensioned to permit movement of the intermediate tubular member by a distance sufficient to retract the intermediate tubular member distal end from any position covering the tubular prosthesis carrying portion of the inner tubular member. - View Dependent Claims (16, 18, 19, 20, 21)
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Specification