A single integrated intravascular device including a stentriever and semi-compliant balloon housed therein. After traversing a clot, the device is deployed to a self-expanded state engaging the clot therein, whereupon the device along with the embedded clot is removed. Detecting through imaging a stenosis at an original position of the captured clot, the device is reintroduced to that location and the stentriever is deployed to a self-expanded state. Inflating the semi-compliant balloon enlarges the stentriever to a hyper-expanded state greater than the self-expanded state thereby dilating the vessel while simultaneously completely detaching/releasing the stentriever from a remaining portion of the device. Then the semi-compliant balloon is collapsed and withdrawn along with the remaining portion of the device, while the detachable/releasable portion of the stentriever in the self-expanded state remains in the vessel.

A reentry catheter for crossing a vascular occlusion includes an elongate flexible tubular body, having a proximal end, a distal end and at least one lumen extending there through. A reentry zone on the tubular body includes at least two and preferably three sets of opposing pairs of axially spaced exit apertures in communication with the lumen. The apertures are rotationally offset from each other and aligned in a spiral pattern around the tubular body. Each aperture may be defined within a radiopaque reinforcing ring embedded within the tubular body. A first set of opposing pairs of reinforcing rings may be separated axially from a second set of opposing pairs of reinforcing rings and may be connected by a flexible hinge section.

A method is disclosed for collecting substances inside a living body lumen using a medical device having an elongated shaft, a filter portion, and a support portion. The method includes inserting the medical device into the living body lumen; inserting an atherectomy device through the elongated shaft of the medical device; scraping a substance with the atherectomy device; collecting the substance using the filter portion of the medical device; and aspirating the substance by an aspiration catheter while the aspiration catheter is moved forward and rearward relative to the filter portion inside the filter portion.

An apparatus (20) includes a tube (22), configured to advance to a blockage, and including a proximal hub (24) configured to connect to a suction-applying device such that, following the advancement of the tube to the blockage, a suction force generated by the suction—applying device is applied, via the tube, to the blockage, a shaft (26), including first and second electrically—conductive circumferential portions (28, 30), configured to pass through the tube, and first and second electrically-conductive elements (34, 38), configured to connect the first and second electrically-conductive circumferential portions to respective terminals of a power source (36). The first electrically-conductive circumferential portion is configured to attract the blockage when a voltage is applied by the power source, via the first and second electrically-conductive elements, between the first and second electrically-conductive circumferential portions, such that the blockage is anchored to the shaft while the suction force is applied to the blockage.

Vascular treatment and methods include a plurality of self-expanding bulbs and a hypotube including interspersed patterns of longitudinally spaced rows of kerfs. Joints between woven structures and hypotubes include solder. Woven structures include patterns of radiopaque filaments measureable under x-ray. Structures are heat treated to include at least shapes at different temperatures. A catheter includes a hypotube including interspersed patterns of longitudinally spaced rows of kerfs. Heat treating systems include a detachable flange. Laser cutting systems include a fluid flow system.

A method and system for secure ultrasound treatment of living tissues using an ultrasound probe comprising a reflective cavity in acoustic communication with living tissues, a transducer to emit an ultrasound wave in the reflective cavity and a transducer to acquire a backscattered signal in the reflective cavity. The method comprises the steps of a) emitting a first ultrasound wave in the reflective cavity that generates a backscattered ultrasound wave in the reflective cavity, b) acquiring a backscattered signal in the reflective cavity, c) determining whether an insonification can be safely performed by computing a similarity value between the backscattered signal and a predefined reference signal, and d) if an insonification can be safely performed, treating the living tissues with a second ultrasound wave emitted in the reflective cavity. The second ultrasound wave is focused a target point of the living tissues and generates a pressure point resulting in cavitation at this target point.

A medical device for removing a stenosis of a living body lumen includes a drive shaft configured to be driven by an operation at a proximal side thereof and including a treatment member disposed at a distal side thereof, a housing configured to accommodate the proximal side of the drive shaft therein, and a holding member configured to suppress unnecessary movement of the drive shaft. A proximal end of the holding member is fixed to the housing, and an inner surface of the holding member and an outer surface of the drive shaft are slidable relative to one another.

A vascular device for treating a tract of a blood vessel has an intraluminal element having at least one dispensing opening for dispensing a pharmacological agent in the tract of the blood vessel, and an abrasion element coming into contact with an inner wall of the blood vessel to remove material from the inner wall. The abrasion element has a contact portion for removing the material and a collection portion for collecting the removed material. and is configured to expand between a rest configuration and a contact configuration. The abrasion element has a first surface facing the intraluminal element and configured to face a fluid inside the blood vessel. The first surface in the contact configuration forms a concave portion adapted to face the fluid inside the blood vessel. The collection portion includes the concave portion to collect the material removed from the inner wall treated with the pharmacological agent.

A scoring device includes an elongate shaft, a balloon disposed on a far side of the shaft and inflatable radially of the shaft by a fluid flowing into the balloon, at least one storage tube disposed along an outer surface of the balloon and having a storage lumen defined therein, and an elongate scoring wire storable in the storage tube and made of a harder material than the balloon. The storage tube is fixed to the balloon or the shaft, and an opening portion is defined in the storage tube to provide fluid communication between outer and inner circumferential surfaces of the storage tube along the storage lumen when the balloon is inflated. The scoring wire is movable in the storage lumen along a longitudinal axis of the storage tube.

A single integrated intravascular device including a stentriever and semi-compliant balloon housed therein. After traversing a clot, the device is deployed to a self-expanded state engaging the clot therein, whereupon the device along with the embedded clot is removed. Detecting through imaging a stenosis at an original position of the captured clot, the device is reintroduced to that location and the stentriever is deployed to a self-expanded state. Inflating the semi-compliant balloon enlarges the stentriever to a hyper-expanded state greater than the self-expanded state thereby dilating the vessel while simultaneously completely detaching/releasing the stentriever from a remaining portion of the device. Then the semi-compliant balloon is collapsed and withdrawn along with the remaining portion of the device, while the detachable/releasable portion of the stentriever in the self-expanded state remains in the vessel.