Abstract: An apparatus and method for the treatment of intravascular medical conditions is provided. The device comprising a handle assembly, an expandable portion defined by a plurality of struts oriented along a longitudinal axis and a tip member affixed to a distal end of the struts. The struts are moveable between a collapsed and an expanded position. A catheter tube extends from the handle assembly to the expandable portion. An elongate member is disposed within the catheter tube and is in communication with the handle assembly and the tip member.

Abstract: An intravascular device for providing feedback to an operator during use and methods of providing the same as disclosed. A catheter tube extends from a handle assembly. An expandable portion is connected to the catheter tube and is selectively movable between a first position and an expanded position. A feedback device provided at the expandable portion provides the operator with the feedback.

Abstract: An intravascular device for treating a fistula and methods of using the same are provided. A catheter tube extends from a handle assembly and is attached to an expandable portion which is selectively movable between a first position and an expanded position. Incising elements located at the expandable portion have tapered profiles for creating incisions in tissue accumulated at the fistula upon axial retraction through the fistula. Irrigation or suction devices may be provided.

Abstract: Methods for improving luminal gain when performing angioplasty at a zone of attention located at a blood vessel in a person's vascular system is provided. An intravascular device including an expandable portion secured to a distal portion of a catheter tube is provided. An incising element is provided on the expandable portion. The expandable portion is positioned at a first end of the zone of attention, placed in an expanded position, and moved along at least a portion of the zone of attention such that the incising element contacts at least a portion of atherosclerotic material located therein. An angioplasty device is positioned at the zone of attention and expanded.

Abstract: An intravascular catheter device includes an expandable portion with a plurality of struts operable between a closed position where the expandable portion has a first diameter, and an opened position where the expandable portion has a second diameter that is larger than the first diameter. An incising element is provided on and extends from the outward facing surface of a particular one of the struts. A medication delivery tube is associated with the particular one of the struts and the incising element.

Abstract: An intravascular device is provided having an expandable portion including a plurality of struts capable of being moved between an open and a closed position. A grating tool is provided on at least one of the struts. The grating tool is configured to remove atherosclerotic material or other substances located within the blood vessel when the expandable portion is in the opened position and moved axially through the blood vessel.

Abstract: An intravascular device and methods for using the same are provided. The intravascular device includes an expandable portion with struts operable between a first position and a second position where the struts are moved outward from the first position. An incising element is provided at, and extends outward from, at least one of the struts. An embolic protection device covers at least a portion of the expandable portion.

Abstract: An intravascular catheter device and methods for using the same are provided. An expandable portion is provided at a distal end of a flexible catheter tube and includes struts operable between a first position and a second position where the struts are moved outward from the first position. An incising member is provided at, and extends along a lengthwise dimension of, and outward from, at least one of the struts. An embolic protection device is provided which is configured for movement between a first position and a second position where the embolic protection device is enlarged relative to said first position.

Abstract: An intravascular catheter device includes an expandable portion secured to a flexible catheter tube and configured for controllable movement between a first position where at least a portion of each of a plurality of struts is moved outward so as to extend beyond an outer surface of a sheath and a second position where the struts are compressed. A limiter for restricting expansion of the expandable portion is interposed between the expandable portion and a tip member located distal to the expandable portion. An incising element associated with one of the struts is configured to incise tissue located within a blood vessel when the expandable portion is placed in the first position and retracted axially along the blood vessel.

Abstract: An intravascular device is provided having a catheter tube and an expandable portion including a plurality of struts capable of being moved between an open and a closed position. An incising element is provided on at least one of the struts and has a sharpened edge for creating an incision in atherosclerotic material located within a blood vessel when the expandable portion is in the opened position. An embolic protection device may be integrated with some or all of the expandable portion.

Abstract: An intravascular catheter device for modifying tissue located within a blood vessel and methods of using the same are provided. An expandable portion is secured to a distal end of a flexible catheter tube and is operable between a first position and a second position where the expandable portion is enlarged. An incising element extends lengthwise along an outer surface of the expandable portion and is configured to create axially extending slits in the tissue when the expandable portion is placed in the second position and moved axially through the blood vessel. An abrasive is provided at the outer surface of the expandable portion for abrading the tissue when the expandable portion is placed in the second position and move axially through the blood vessel.

Abstract: An intravascular device is provided having a catheter tube and an expandable portion including a plurality of struts capable of being moved between an open and a closed position. An incising element and an abrasive surface are provided on at least one of the struts. The incising element has a sharpened edge for creating an incision in, and the abrasive surface is configured to abrade, atherosclerotic material located within a blood vessel when the expandable portion is in the opened position.

Abstract: An intravascular catheter device for treating atherosclerotic material located within a blood vessel includes an expandable portion is secured to a catheter tube having a centerline. The expandable portion includes a plurality of struts pivotably attached to the expandable portion for movement between a closed position where the struts extend parallel to the centerline and an opened position where the struts splay outwardly at an angle from the centerline. A sharpened edge associated with at least one of struts creates an incision in the atherosclerotic material when the expandable portion is placed in the opened position and retracted axially through the blood vessel.

Abstract: An intravascular balloon catheter device for treating various size stenosed regions within a blood vessel is provided. A clamp located within a body of a handle assembly is movable between a clamped and unclamped position by way of a button. When clamped, an outer member is secured relative to a sheath to as to expose a portion of a balloon located on a distal end of the outer member. The portion of the balloon remaining within the sheath is restricted from inflation beyond the sheath.

Abstract: An intravascular catheter device includes a handle assembly, an inner member which accommodates a guide wire, an outer member disposed about the inner member, and a balloon. A proximal end of the balloon is attached to a distal end of the outer member. The balloon surrounds a portion of the inner member and the distal end of the balloon is attached to a distal end of the inner member. A sheath is selectively disposed about, and adapted for movement relative to, the balloon. A clamp at the handle assembly selectively secures the outer member at a number of positions relative to the sheath to selectively expose a variable portion of the balloon for movement into an inflated state. A balloon recapture device is located at a distal end of the sheath and aids the balloon in reentering the sheath following deployment.

Abstract: An intravascular balloon catheter device is disclosed having an inner member, an outer member disposed about the inner member and further comprising a balloon. A sheath is disposed about the outer member that moves relative to the balloon so as to selectively expose a first portion of the balloon for inflation. A clamp may be used to selectively secure the sheath at a desired position relative to the balloon wherein the desired position is less than full retraction such that a second portion of the balloon remains within the sheath.

Abstract: An intravascular catheter device includes an expandable portion which has a plurality of struts and is secured to a flexible catheter tube. A tip member is attached to a distal portion of a sleeve and a distal portion of the struts. Axial retraction of the tip member moves the expandable portion from a closed position where the struts extend parallel with a centerline of the expandable portion to an opened position where the struts bow outwardly. An incising element is associated with at least one of the struts. The incising element extends parallel with the centerline when the expandable portion is in the closed position.

Abstract: An apparatus and method for the treatment of intravascular medical conditions is provided. The device comprising a handle assembly, an expandable portion defined by a plurality of struts oriented along a longitudinal axis and a tip member affixed to a distal end of the struts. The struts are moveable between a collapsed and an expanded position. A catheter tube extends from the handle assembly to the expandable portion. An elongate member is disposed within the catheter tube and is in communication with the handle assembly and the tip member.

Abstract: An intravascular catheter device includes an expandable portion secured to a flexible catheter tube. The expandable portion is slidable relative to a sheath to selectively expose a plurality of struts for outward bowing movement and compression within said sheath. An incising element associated with one of the struts is configured to incise atherosclerotic material when the intravascular catheter device is placed within a blood vessel, the struts are exposed for outward bowing movement, and the expandable portion is retracted along the blood vessel.

Abstract: Intravascular catheter devices and methods for using the same are disclosed. An expandable portion is connected to a flexible catheter tube. A sleeve extends within the expandable portion. The expandable portion includes a number of struts, each of which hinges relative to the flexible catheter tube and the sleeve, and each of which has an intermediate joining portion which permits hinging movement of a first intermediate portion relative to a second intermediate portion upon movement of the sleeve relative to the flexible catheter tube to selectively elevate the intermediate joining portion away from an outer surface of the sleeve. An incising element is oriented to extend along a longitudinal axis of an outer surface of a first intermediate portion of one of the struts for incising vascular tissue.