A multi-purpose balloon intra-cavity catheter includes a catheter having a proximal end portion, a central portion and a non-branching distal end portion, a plurality of lumens associated with the catheter extending from the proximal end portion, and a plurality of inflatable balloons positioned in the central portion and/or the non-branching distal end portion. Each of the plurality of inflatable balloons is communicatively associated with a corresponding one of the plurality of lumens, the plurality of inflatable balloons being selectively inflated or deflated to position and stabilize the catheter in a cavity for delivery of a medical treatment. The catheter can include an extraction opening associated with a lumen to remove fluids and materials from the cavity, and a connector associated with a corresponding lumen adapted to selectively receive one or more of a fluid medium or a radioactive isotope provided to a corresponding lumen for delivery of the medical treatment.

The invention relates to a balloon catheter, in particular for the widening of stents in fenestrations and for T-branch protheses, being provided with a balloon (4), a supply line in the catheter (2) leading to the balloon (4), which allows the balloon (4) to be pressurized, and a central lumen (3) for a guidewire, with the balloon (4) in the expanded state having at least two areas (P, D, M) of different diameter, with these areas merging into one another by forming a step.

A multi-headed catheter for fluid delivery and a method of placing a multi-headed catheter for fluid delivery are provided. The multi-headed catheter includes a first tube extending along an axis, wherein the first tube has at least one exit hole provided at a distal end of the first tube to define a perfusion section of the first tube; and a second tube extending along the axis, wherein at least a portion of the second tube is disposed within the first tube, wherein the second tube has at least one exit hole provided at a distal end of the second tube to define a perfusion section of the second tube. The distal end of the second tube is configured to exit said first tube at an opening provided along a wall of the first tube. The perfusion sections of the first tube and the second tube can be independently placed to deliver fluid to distinct anatomical areas within a surgical wound site.

The disclosure relates to medical devices comprising coaxial cannulae. A medical device includes an outer cannula and a coaxial inner cannula that is secure to the inner cannula. The circumferential wall of one of the cannulae defines a pattern of openings that extends along a spiral path about the lengthwise axis of the cannula.

A bifurcated dual-balloon catheter apparatus for deploying one or more stents to a bifurcated vessel or for use in angioplasty procedures involving bifurcated vessels. The apparatus is particularly suited for bifurcated vessels of the type having a main branch from which a side branch extends therefrom. The apparatus has a main branch balloon and a side branch balloon. A conduit is provided in the main branch balloon through which a portion of the side branch balloon extends. The first balloon is positionable within the main branch of the vessel while the distal portion of the second balloon is positionable within the side branch such that when the first and second balloons are inflated, the first balloon expands radially in the main branch while the distal portion of said second balloon maintains registration with the side branch by expanding radially therein.

Tortuosity of vessels at or leading to the site of minimally invasive procedures is a problem for conducting such procedures as they increase the difficulty to guide the procedural catheters through tortuous vessels. Methods and apparatus for stabilization of the sheaths and catheters during access, procedures, and withdrawal in these tortuous vessels are disclosed. The apparatus and method for improving access include application of a pull component to the stabilized procedural catheter using a stabilization catheter/wire in addition to a push component from the percutaneous access to make the access easier while enabling use of more flexible catheters and softer wires. These methods and devices address the problems of trauma to the vessels during access, procedure and removal of catheters and wires, improve pushability of softer catheters and wires, and also substantially reduce substantially the procedure time.

An intravascular system having a first catheter having a first non-circular transverse cross-sectional configuration and a first delivery device configured for insertion into the lumen of the catheter. The first delivery device includes an implantable medical device and an elongated member supporting the first medical device such that the first elongated member and the first medical device are movable through the lumen of the first catheter. The first elongated member has a second non-circular transverse cross-sectional configuration corresponding to the first non-circular transverse cross-sectional configuration to thereby inhibit rotation of the first elongated member within the catheter and control orientation of the first medical device relative to the catheter.

Methods for crimping a stent on an expandable member of a delivery catheter, and devices and methods for treating a bifurcation are disclosed. A method for crimping includes positioning a stent having a first portion and a second portion over the expandable member, and non-uniformly crimping the stent to the expandable member. The method can include routing an elongate shaft under the second portion of the stent and through the side hole so as to be routed external to the first portion. The stent second portion can be crimped so that the elongate shaft can be slidably disposed relative to the stent second portion prior to deployment of the stent.

A system for treating a bifurcation includes first and second delivery catheters, each having an expandable member. A stent having a side hole is disposed on the second delivery catheter. A portion of the first delivery catheter is disposed under a portion of the stent. The first delivery catheter is slidable relative to the second delivery catheter, and the first delivery catheter passes through the side hole. Expansion of the first expandable member expands a portion of the stent and expansion of the second expandable member expands the rest of the stent.

A system for treating a bifurcation includes first and second delivery catheters, each having an expandable member. A stent having a side hole is disposed on the second delivery catheter. A portion of the first delivery catheter is disposed under a portion of the stent. The first delivery catheter is slidable relative to the second delivery catheter, and the first delivery catheter passes through the side hole. Expansion of the first expandable member expands a proximal portion of the stent in a main branch vessel, and expansion of the second expandable member expands a distal portion of the stent in a side branch vessel.