Abstract: An example introducer is disclosed. An example introducer includes an inner liner including a lumen, a distal region and at least one folded portion extending along the distal region. The introducer also includes a reinforcing member having a length and including at least one spine extending along the length of the reinforcing member. The introducer also includes a sheath disposed along at least a portion of the introducer, wherein the sheath includes at least one perforation, wherein material adjacent to the at least one folded portion is removed from a distal portion of the introducer to form a tip region. The introducer also includes a tip member disposed along the tip region.

Abstract: A direct visualization catheter includes a handle, a balloon, an elongate shaft, and a camera assembly. The elongate shaft has a proximal end and a distal end opposite the proximal end. The proximal end is coupled to the handle. The distal end is coupled to the balloon and defines a longitudinal axis. The camera assembly is coupled to the distal end of the elongate shaft and is disposed within the balloon. The camera assembly includes a camera and an adjustment mechanism for varying a configuration of the camera relative to the distal end of the elongate shaft between a delivery configuration and a deployed configuration. The camera faces primarily in a radial direction in the delivery configuration and the camera faces primarily in an axial direction in the deployed configuration.

Abstract: An example introducer is disclosed. An example introducer includes an inner liner including a lumen, a distal region and at least one folded portion extending along the distal region. The introducer also includes a reinforcing member having a length and including at least one spine extending along the length of the reinforcing member. The introducer also includes a sheath disposed along at least a portion of the introducer, wherein the sheath includes at least one perforation, wherein material adjacent to the at least one folded portion is removed from a distal portion of the introducer to form a tip region. The introducer also includes a tip member disposed along the tip region.

Abstract: An example introducer is disclosed. An example introducer includes an inner liner including a lumen, a distal region and at least one folded portion extending along the distal region. The introducer also includes a reinforcing member having a length and including at least one spine extending along the length of the reinforcing member. The introducer also includes a sheath disposed along at least a portion of the introducer, wherein the sheath includes at least one perforation, wherein material adjacent to the at least one folded portion is removed from a distal portion of the introducer to form a tip region. The introducer also includes a tip member disposed along the tip region.

Abstract: The invention provides design, material, manufacturing method, and use alternatives for medical devices. An example medical device includes an elongate shaft having a distal region and a coil disposed along the distal region. The coil is formed from a winding member having a first filar region and a second filar region. The winding member has a first cross-sectional diameter along the first filar region, a second cross-sectional diameter different from the first cross-sectional diameter along the second filar region, a first centroid at a first position along the first filar region and a second centroid at a second position along the second filar region. The first centroid and the second centroid are axially-aligned.

Abstract: The invention provides design, material, manufacturing method, and use alternatives for medical devices. An example medical device includes an elongate shaft having a distal region and a coil disposed along the distal region. The coil is formed from a winding member having a first filar region and a second filar region. The winding member has a first cross-sectional diameter along the first filar region, a second cross-sectional diameter different from the first cross-sectional diameter along the second filar region, a first centroid at a first position along the first filar region and a second centroid at a second position along the second filar region. The first centroid and the second centroid are axially-aligned.

Abstract: The invention provides design, material, manufacturing method, and use alternatives for medical devices. An example medical device includes an elongate shaft having a distal region and a coil disposed along the distal region. The coil is formed from a winding member having a first filar region and a second filar region. The winding member has a first cross-sectional diameter along the first filar region, a second cross-sectional diameter different from the first cross-sectional diameter along the second filar region, a first centroid at a first position along the first filar region and a second centroid at a second position along the second filar region. The first centroid and the second centroid are axially-aligned.

Abstract: The invention provides design, material, manufacturing method, and use alternatives for medical devices. An example medical device includes an elongate shaft having a distal region and a coil disposed along the distal region. The coil is formed from a winding member having a first filar region and a second filar region. The winding member has a first cross-sectional diameter along the first filar region, a second cross-sectional diameter different from the first cross-sectional diameter along the second filar region, a first centroid at a first position along the first filar region and a second centroid at a second position along the second filar region. The first centroid and the second centroid are axially-aligned.

Abstract: An example introducer is disclosed. An example introducer includes an inner liner including a lumen, a distal region and at least one folded portion extending along the distal region. The introducer also includes a reinforcing member having a length and including at least one spine extending along the length of the reinforcing member. The introducer also includes a sheath disposed along at least a portion of the introducer, wherein the sheath includes at least one perforation, wherein material adjacent to the at least one folded portion is removed from a distal portion of the introducer to form a tip region. The introducer also includes a tip member disposed along the tip region.

Abstract: Balloon catheter and methods for making and using balloon catheters are disclosed. An example balloon catheter may include a proximal shaft. A midshaft may be attached to the proximal shaft. The midshaft may have an outer wall. A distal shaft may be attached to the midshaft. A balloon may be coupled to the distal shaft. An inflation lumen may be defined that extends from the proximal shaft, through the midshaft, and into the distal shaft. The inflation lumen may be in fluid communication with the balloon. A core wire may be disposed within the inflation lumen and may be attached to the midshaft.

Abstract: An example introducer is disclosed. An example introducer includes an inner liner including a lumen, a distal region and at least one folded portion extending along the distal region. The introducer also includes a reinforcing member having a length and including at least one spine extending along the length of the reinforcing member. The introducer also includes a sheath disposed along at least a portion of the introducer, wherein the sheath includes at least one perforation, wherein material adjacent to the at least one folded portion is removed from a distal portion of the introducer to form a tip region. The introducer also includes a tip member disposed along the tip region.

Abstract: A direct visualization catheter includes a handle, a balloon, an elongate shaft, and a camera assembly. The elongate shaft has a proximal end and a distal end opposite the proximal end. The proximal end is coupled to the handle. The distal end is coupled to the balloon and defines a longitudinal axis. The camera assembly is coupled to the distal end of the elongate shaft and is disposed within the balloon. The camera assembly includes a camera and an adjustment mechanism for varying a configuration of the camera relative to the distal end of the elongate shaft between a delivery configuration and a deployed configuration. The camera faces primarily in a radial direction in the delivery configuration and the camera faces primarily in an axial direction in the deployed configuration.

Abstract: A sensor device for sensing endoluminal geometry may include an expandable element disposed on the distal region of a shaft. The expandable element may be configured to move a collapsed configuration and an expanded configuration. The expandable element may include one or more sensor elements configured to sense proximity of the sensor element to tissue. The sensor device may include an indicator configured to distinguish between contact of the sensor element with tissue, loss of contact and proximity of the sensor element to tissue.

Abstract: An example introducer is disclosed. An example introducer includes an inner liner including a lumen, a distal region and at least one folded portion extending along the distal region. The introducer also includes a reinforcing member having a length and including at least one spine extending along the length of the reinforcing member. The introducer also includes a sheath disposed along at least a portion of the introducer, wherein the sheath includes at least one perforation, wherein material adjacent to the at least one folded portion is removed from a distal portion of the introducer to form a tip region. The introducer also includes a tip member disposed along the tip region.

Abstract: An elongate shaft of a medical catheter including a thermoset polymeric tubular member including a skived distal portion. The skived distal portion includes a distally extending trough having a convex surface and a concave surface. A thermoplastic tubular sleeve may be positioned over at least a portion of the skived distal portion of the thermoset polymeric tubular member. In some instances, the thermoplastic tubular sleeve includes a crescent-shaped tubular portion defining a crescent-shaped lumen. The trough of the skived distal portion may extend through the crescent-shaped lumen. The thermoplastic tubular sleeve is thermally bonded to the inner and outer tubular members of a distal section of the elongate shaft at a guidewire port joint.

Abstract: Balloon catheter and methods for making and using balloon catheters are disclosed. An example balloon catheter may include a proximal shaft. A midshaft may be attached to the proximal shaft. The midshaft may have an outer wall. A distal shaft may be attached to the midshaft. A balloon may be coupled to the distal shaft. An inflation lumen may be defined that extends from the proximal shaft, through the midshaft, and into the distal shaft. The inflation lumen may be in fluid communication with the balloon. A core wire may be disposed within the inflation lumen and may be attached to the midshaft.

Abstract: The invention provides design, material, manufacturing method, and use alternatives for medical devices. An example medical device includes an elongate shaft having a distal region and a coil disposed along the distal region. The coil is formed from a winding member having a first filar region and a second filar region. The winding member has a first cross-sectional diameter along the first filar region, a second cross-sectional diameter different from the first cross-sectional diameter along the second filar region, a first centroid at a first position along the first filar region and a second centroid at a second position along the second filar region. The first centroid and the second centroid are axially-aligned.

Abstract: Balloon catheter and methods for making and using balloon catheters are disclosed. An example balloon catheter may include a proximal shaft. A midshaft may be attached to the proximal shaft. The midshaft may have an outer wall. A distal shaft may be attached to the midshaft. A balloon may be coupled to the distal shaft. An inflation lumen may be defined that extends from the proximal shaft, through the midshaft, and into the distal shaft. The inflation lumen may be in fluid communication with the balloon. A core wire may be disposed within the inflation lumen and may be attached to the midshaft.

Abstract: A sensor device for sensing endoluminal geometry may include an expandable element disposed on the distal region of a shaft. The expandable element may be configured to move a collapsed configuration and an expanded configuration. The expandable element may include one or more sensor elements configured to sense proximity of the sensor element to tissue. The sensor device may include an indicator configured to distinguish between contact of the sensor element with tissue, loss of contact and proximity of the sensor element to tissue.

Abstract: Balloon catheters and stent delivery systems including bifurcated stent delivery systems are disclosed. An example bifurcated stent delivery system may include an elongate shaft including a proximal section, a midshaft section, and a distal section. The proximal section may include a tubular member having a plurality of slots formed therein. The slots may be arranged in one or more sections having differing slot densities. The midshaft section may include a guidewire port in fluid communication with a guidewire lumen formed in the shaft. A main branch balloon may be coupled to the shaft. A side branch balloon may be disposed adjacent to the main branch balloon. A stent may be disposed on the main branch balloon and on the side branch balloon.