The embodiments described herein relate to a self-positioning, quick-deployment low profile transvenous electrode system for sequentially pacing both the atrium and ventricle of the heart in the “dual chamber” mode, and methods for deploying the same.

A septal cross system is provided for a cerclage procedure for treating dysfunctional heart. The cerclage septal cross system includes a puncture catheter and a capture catheter. The puncture catheter a puncture catheter comprises a first lumen for a guidewire to be inserted thereinto. A coil element is arranged in the distal portion of the puncture catheter. The distal end of the pull-wire is attached to the distal portion of the coil element. The proximal end of the pull-wire is extended to the distal portion of the puncture catheter. The pull-wire is configured to bend inwardly the distal portion of the puncture catheter. A capture catheter comprises a first lumen for a first guidewire to be inserted thereinto and a second lumen for a second guidewire to be inserted thereinto. The distal end of the second wire has a snare wherein the distal portion is deflectable.

Methods, apparatuses, and systems are described for stent delivery and positioning for transluminal application. The system may include a stent that is disposed coaxially onto an inner tubular member. In some cases, the system may include an outer sheath disposed coaxially along at least a portion of the inner tubular member. The system may include a distal cutting element coupled with a distal end of the inner tubular member and an anchoring component disposed at a distal portion of the inner tubular member. The anchoring component may be configured to retain a distal portion of the stent in place along the inner tubular member as the outer sheath is retracted proximally to deploy the stent, wherein upon retraction of the outer sheath, the stent releases from the anchoring component and expands into a deployed configuration within the body lumen.

An introducer may include a layered tubular member having an inner liner including at least one folded portion extending along a distal region of the inner liner in a delivery configuration; a reinforcing member disposed over at least a portion of the inner liner, the reinforcing member including a plurality of longitudinal spines defining a plurality of openings disposed between adjacent longitudinal spines, wherein each folded portion is circumferentially overlapped by one of the plurality of openings; and an outer sheath disposed over the reinforcing member, wherein the outer sheath includes at least one perforation circumferentially overlapping each folded portion; and a tip member fixedly attached to a tapered distal region of the layered tubular member. The inner liner may extend to a distal end of the layered tubular member. At least a portion of each folded portion may terminate proximal of the distal end of the layered tubular member.

A catheter for radial artery access to the contralateral subclavian artery and internal mammary artery is disclosed. The catheter includes a preformed tubular hook element configured for aligning coaxially within the subclavian artery from a radial access. The tubular hook element includes a first arm connected to a second arm via a curved element, and a second arm connected, via a second curved element, to an elongated tubular body. Each curved element has an angle between approximately 90-130 degrees. The catheter can receive a second catheter and guide it to further advance the subclavian artery. The second catheter then extends past distal end of the catheter and advances into the internal mammary arteries for selective angiography and intervention. The two-catheter system allows angiography and intervention of the entire right and left upper extremities to be performed depending on the access from the left or right radial artery, respectively.

A vascular access system comprising a sheath, a slitted sleeve, and a sealing portion of the slitted sleeve. The slitted sleeve comprises a tubular sleeve body having a longitudinal slit along its length, wherein the slitted sleeve is adapted to receive a first portion of a medical device therein. The longitudinal slit closes, but does not seal, after the first portion of the medical device is inserted therein. The sealing portion of the slitted sleeve is configured to fill a gap and form a seal between an inner surface of the sheath and a portion of the first portion of the medical device disposed in the sheath when the sheath is inserted in the blood vessel and the slitted sleeve is inserted into the sheath lumen. A vascular access device accessory and a method for inserting it into a sheath are also provided.

A catheter may include an elongate body extending from a proximal end to a distal end and defining a lumen; a push member mechanically coupled to the proximal end of the elongate body; and a slidable push grip disposed about an outer perimeter of the push member. The slidable push grip is controllably engageable with the push member. When the slidable push grip is in an engaged state with the push member, the slidable push grip transmits an axial force to the push member to enable the push member to transmit the axial force to the elongate body. When the slidable push grip is in a disengaged state with the push member, the slidable push grip is movable axially in at least one direction along a length of the push member while transmitting substantially no axial force to the push member.

The present disclosure relates generally to systems, devices, and methods for supporting, stabilizing, and/or positioning a medical device, such as a transcatheter medical device. The stabilizer allows for control of degrees of freedom from no movement to free movement to selective movements, to substantially translation only movement and/or to substantially rotational only movement of the medical device. The patent describes pure mechanical embodiment as well as smart embodiments that can synergistically sense, actuate and/or transmit data between the stabilizer, medical device and control or display system to operate and/or deploy the device/therapy.

Systems and methods for sonicating a body within an organ of a patient include supplying ultrasound energy to the body in order to produce a liquified material, which can then be aspirated from the body via a catheter. Image guidance is used during aspiration of the liquified material.

An elongated medical catheter body, which may constitute an introducer sheath includes: a catheter body; a hub fixed to a proximal portion of the catheter body; and a support member connected to the hub and configured to cover of the proximal portion of the catheter body. The catheter body includes a groove on the outer surface of the catheter body, and the support member is disposed so as to partially cover the groove. The support member includes a drug part having a drug solution, and a partition wall portion is located between the drug part and the groove, and the partition wall portion is configured to make the drug part communicate with the groove portion upon being broken by pressure or by causing damage.