The present invention is directed to a stent for use in a bifurcated body lumen having a main branch and a side branch. The stent comprises a radially expandable generally tubular stent body having proximal and distal opposing ends with a body wall having a surface extending therebetween. The surface has a geometrical configuration defining a first pattern, and the first pattern has first pattern struts and connectors arranged in a predetermined configuration. The stent also comprises a branch portion comprised of a second pattern, wherein the branch portion is at least partially detachable from the stent body.

Stent with protruding branch portion for bifurcated vessels

Medical devices including a substrate that are expandable from a compressed state to an expanded state; a coating on the substrate, the coating having a drug agent incorporated therein; and a sheath over the coating. The sheath is expandable from a compressed state to an expanded state and has at least one perforation therein. The medical devices are configured such that when the substrate is in a compressed state, the sheath is also in a compressed state and the perforation is substantially closed. When the substrate is in an expanded state, the sheath is also in an expanded state and the perforation is substantially open. The invention also includes a method of using the medical devices for the controlled, localized delivery of a drug agent to a target location within a mammalian body.

Localized delivery of drug agents

Systems for delivering a bifurcated stent to a bifurcation site comprise catheters and/or bifurcated stents delivered therefrom.

Bifurcated stent and delivery system

Medical device systems

The balloon catheter (10) comprises a radially expansible, polymeric balloon (12) having one or more permanent helical fold lines (22) so that the balloon can be spirally folded upon delivery of the catheter to or removal of the vessel. A scoring structure (28) may be carried over the balloon in between the folds to score a stenosed region in a blood vessel. Fabrication devices and methods for spirally folding the balloon are also disclosed.

Balloon catheter with spiral folds

A medical balloon may be configured by at least partially inflating the medical balloon and forming at least one primary lobe in the balloon. The primary lobe extends from a central portion of the balloon. The primary lobe may be manipulated to form at least two secondary lobes therefrom. The balloon may then be deflated and the secondary lobes wrapped around the balloon.

Balloon folding apparatus, methods and products

A curved-wing balloon is provided herein A medical device embodying the invention may include an expandable balloon and an inner shaft positioned within the expandable balloon wherein the expandable balloon may be coupled to an inflation lumen, expandable from a first position to a second position, and having non-parallel sides when initially formed A method employing the present invention may include placing an expandable medical balloon between a first forming blade and a second forming blade of a cam-former jaw system, moving the first forming blade from a first open position to a second closed position and moving the second forming blade from a first open position to a second closed position, the first forming blade having a first forming member, the second forming blade having a second forming member, the first forming member and the second forming member being in contact with the expandable balloon when in the second closed position, a mating surface of the first forming member being non-parallel to a mating surface of the second forming member when in contact with the balloon

Curved wing balloon and manufacture thereof

A curved-wing balloon is provided herein. A medical device embodying the invention may include an expandable balloon and an inner shaft positioned within the expandable balloon wherein the expandable balloon may be coupled to an inflation lumen, expandable from a first position to a second position, and having non-parallel sides when initially formed. A method employing the present invention may include placing an expandable medical balloon between a first forming blade and a second forming blade of a cam-former jaw system, moving the first forming blade from a first open position to a second closed position and moving the second forming blade from a first open position to a second closed position, the first forming blade having a first forming member, the second forming blade having a second forming member, the first forming member and the second forming member being in contact with the expandable balloon when in the second closed position, a mating surface of the first forming member being non-parallel to a mating surface of the second forming member when in contact with the balloon.

Catheter balloon with curved wings and manufacture thereof

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Balloon folding apparatus, methods and products

Curved wing balloon and manufacture thereof

Catheter balloon with curved wings and manufacture thereof