METHOD FOR LOADING A STENT INTO A DELIVERY SYSTEM
First Claim
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1. A method for assembling a stent delivery system comprising:
- inserting a distal portion of a distensible stent into a proximal end of a first tubular member having a lumen extending therethrough, wherein the distal portion of the stent is in a constrained state and a proximal portion of the stent that is not inserted into the first tubular member is in an unconstrained state; and
inserting a second elongate member into the proximal end of the first tubular member, the second elongate member having a stent-engaging portion, causing the stent-engaging portion to engage the stent such that relative movement of the second elongate member causes relative movement of the stent.
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Abstract
Methods for assembling a stent delivery system are provided, as well as the stent delivery assemblies and devices formed by such methods. Also provided is a method for loading a stent into a delivery system.
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Citations
20 Claims
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1. A method for assembling a stent delivery system comprising:
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inserting a distal portion of a distensible stent into a proximal end of a first tubular member having a lumen extending therethrough, wherein the distal portion of the stent is in a constrained state and a proximal portion of the stent that is not inserted into the first tubular member is in an unconstrained state; and inserting a second elongate member into the proximal end of the first tubular member, the second elongate member having a stent-engaging portion, causing the stent-engaging portion to engage the stent such that relative movement of the second elongate member causes relative movement of the stent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for loading a stent into a sheath delivery system comprising the steps of:
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inserting a distensible stent into a proximal end of a first tubular member of a sheath delivery system such that a distal portion of the stent is in a constrained state within a lumen of the first tubular member and a proximal portion of the stent remains outside the first tubular member is in an unconstrained state; passing a second elongate member into a lumen of the stent such that the second elongate member becomes releasably engaged to an inner surface of the stent; and moving the second elongate member toward a distal end of the first tubular member thereby advancing the stent toward the distal end of the first tubular member and compressing the proximal portion of the stent as the stent is fully inserted into the lumen of the first tubular member. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A method for assembling a stent delivery system comprising:
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inserting a distal portion of an unconstrained distensible stent into a funnel shaped handle disposed at a proximal end of a first tubular member having a lumen extending therethrough; compressing the distal portion of the stent into a constrained state as the distal portion enters the lumen while a proximal portion of the stent outside the first tubular member remains in an unconstrained state; inserting a distal end of a second elongate member into a lumen of the stent and into the funnel shaped handle, the second elongate member having a stent-engaging portion; moving the second elongate member into the lumen of the first tubular member, causing the stent-engaging portion to engage the stent; and advancing the second elongate member with the stent engaged thereto through the lumen toward a distal end of the first tubular member, thereby compressing the proximal portion of the stent into the constrained state. - View Dependent Claims (18, 19, 20)
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Specification