Abstract: A tissue lumen stent is provided with a body having an elongated tubular configuration and a foreshortened configuration. In the foreshortened configuration, downstream and upstream ends of the body expand radially into downstream and upstream flange structures, leaving a generally cylindrical saddle region therebetween. In some embodiments, the flange structures are non-symmetrical with respect to one another. Systems and methods of using the stents are also disclosed.

Abstract: Aspects of stone identification methods and systems are described. According to one aspect, an exemplary method comprises: transmitting to a processing unit, with an imaging element mounted on a distal end of a scope, image data about a stone object inside a body cavity; generating from the image data, with the processing unit, a visual representation of the stone object and the body cavity; establishing from a user input, with the processing unit, a scale for the visual representation; determining from the visual representation, with the processing unit, a size of the stone object on the scale; comparing, with the processing unit, the size of the stone object with a predetermined maximum size to determine a removal status; and augmenting, with the processing unit, the visual representation to include an indicator responsive to the removal status. Associated systems are also described.

Abstract: A system for treating a vascular region includes an elongate catheter shaft having a distal end region, with an inner lumen formed in the elongate shaft and a fluid delivery lumen formed in the elongate shaft adjacent to the inner lumen. A treatment core is disposable within the inner lumen, and has a plurality of ultrasound transducers that are adapted to move between a straight configuration and a helical configuration and to provide constructive interference when in the helical configuration.

Abstract: The present disclosure relates generally to the field of medical devices for delivering artificial chordae tendineae in a patient. In an embodiment, an anchor is movable between a delivery configuration and a deployed configuration, the anchor being in the delivery configuration when disposed within a delivery catheter, the anchor being in the deployed configuration when the anchor is moved beyond a distal end of the delivery catheter. When the anchor is in the delivery configuration it has a first outer dimension and when the anchor is in the deployed configuration it has a second outer dimension, the first outer dimension being smaller than the second outer dimension. The anchor is engageable with a papillary muscle or a heart wall when the anchor is in the deployed configuration and is also coupleable to an artificial chordae tendineae to anchor the artificial chordae tendineae to the papillary muscle or heart wall.

Abstract: In one example, a retrieval device may include a flexible loop; a mesh coupled to the loop, the mesh having an opening at least partially circumscribed by the loop; a sheath extending from a proximal end to a distal end; a cord extending through and/or around the mesh; and a connector assembly movable from a first configuration to a second configuration. In the first configuration, the flexible loop, the mesh, and the cord may be coupled to the sheath, and in the second configuration, the flexible loop, the mesh, and the cord may be detached from the sheath.

Abstract: An endoscopic suturing system and method are disclosed as are devices for use with the system and method such as a suture dispenser, a cinch device, and a tissue grasper. In one embodiment the suturing system includes a cap assembly arranged at the distal end portion of an endoscope or guide member, with the cap assembly including a rotatable needle holder. The needle holder is actuated through a transmission element extending outside the endoscope or guide member. A needle capture device may be inserted through a channel of the endoscope or guide member in order to capture a needle held in the needle holder when the needle holder is rotated so that the needle punctures tissue.

Abstract: The present disclosure relates generally to the field of medical devices. In particular, the present disclosure relates to devices, systems, and methods for controlled volume ablation of tissue. In one example, a catheter may include an elongated member having a distal end extending along a longitudinal axis. A first electrode may extend along the elongated member. The first electrode may have a distal portion arranged on a circumferential surface about the longitudinal axis at the distal end. A second electrode may extend along the elongated member. The second electrode may have a distal portion arranged on the circumferential surface about the longitudinal axis at the distal end of the elongated member. A sheath may be slidably disposed about the elongated member. The sheath may be configured to change position by sliding along the member to insulate a portion of one or both of the first and second electrode.

Abstract: A system for retrieving material from a cavity in a patient may include a tube having a proximal end and a distal end, the scope configured to be inserted into the cavity, and a filter assembly disposed between the tube and a vacuum source configured to apply negative pressure through the tube to cause the material to flow through the tube from the distal end to the proximal end, the filter assembly including a filter configured to trap the material in the filter assembly, and allow liquid and gases to pass through the filter assembly.

Abstract: A medical device handle may include an actuator; a first pulley; and a second pulley. The second pulley may be movable relative to the first pulley along an axis extending between a first axle of the first pulley and a second axle of the second pulley. A pull member may be wrapped around the first pulley and the second pulley, and coupled to the actuator and a control member may be coupled to the second pulley. Movement of the second pulley along the axis may be configured to move the control member in a direction parallel to or coaxial with the axis.

Abstract: Connectors arranged and configured to couple a tube set to an endoscope. An illustrative connector may comprise a housing having a generally tubular body, the housing including a first end, a second end, and a lumen extending therethrough, a first coupling mechanism adjacent to the first end of the housing, and a second coupling mechanism extending from a first end adjacent to the first end of the housing to a second end, the second end of the second coupling mechanism positioned between the first end and the second end of the housing. The second coupling mechanism may be different from the first coupling mechanism.

Abstract: A handle of a medical device may comprise an actuator; a lock movable relative to the actuator and having a feature movable relative to the actuator; and a rack having plurality of teeth separated from one another by a plurality of gaps. The lock may be configured to move the feature from (a) a first configuration, in which the feature is disposed in the gap, between two of the plurality of teeth, such that the two teeth inhibit the actuator from rotating; to (b) a second configuration, in which the feature is disposed outside of the gap, such that the actuator is rotatable. In the second configuration, the teeth may be disposed between the feature and the actuator.

Abstract: A delivery device may be configured to deliver an agent to a target tissue through a channel of a medical device, the delivery device may include a body including (a) a coupling region configured to removably attach to a handle of the medical device, and (b) a coupler including an exit port for aligning with a port of the channel, wherein the coupler is configured to mate with the port of the channel; a source of an agent; and a source of pressurized fluid. The body, the source of agent, and the source of pressurized fluid may be arranged to deliver agent and pressurized fluid to the exit port for delivery through the channel.

Abstract: A medical device for cutting a suture during a minimally invasive procedure includes an elongate shaft, a handle housing disposed at the proximal end of the elongate shaft, and a cutting blade disposed proximate the distal end of the elongate shaft. A proximal portion of the handle housing includes an actuation mechanism including a lever arm having a first portion disposed outside of the handle housing and extending distally from the proximal portion of the handle housing. Translation of the first portion of the lever arm relative to the handle housing axially translates the cutting blade within the elongate shaft. A medical device system may include a stand configured to support at least one medical device and a medical device securable to the stand.

Abstract: A suture device includes a suturing body defining a circular track that extends around a periphery of the suturing body, the circular track including an open portion adapted to allow tissue to enter the open portion. A curved shuttle is disposed within the circular track, the curved shuttle including a pointed leading edge and adapted to hold a suture relative to the curved shuttle. In some cases, a curved pusher is disposed within the circular track and is adapted to push the curved shuttle around the circular track in a first direction around the circular track such that the pointed leading edge penetrates any tissue disposed within the open portion. In some cases, electromagnets may be used to move the curved shuttle relative to the suturing body.

Abstract: Floor mounts and/or floor mount enclosures for a medical computer are disclosed. An example floor mount may include an enclosure framework having a first base, a second base, and a top panel. The second base may be angled. A computer compartment may be defined adjacent the first base. The computer compartment may be configured to house a medical computer therein. An accessory compartment may be defined adjacent the second base. An arcuate rim may be disposed along an end region of the top panel.

Abstract: Intravascular imaging devices and methods for making and using intravascular imaging devices are disclosed. An example intravascular imaging device may include a catheter shaft configured to be disposed within a blood vessel. The catheter shaft may have an imaging window region and an imaging lumen. The imaging lumen may be configured to accommodate and imaging assembly therein. A distal tip member may be coupled to the catheter shaft. The distal tip member may have a guidewire lumen formed therein. The imaging window region and the distal tip member may axially overlap.

Abstract: A catheter includes a handle and an elongate member extending from the handle. The catheter may also include steering system coupled to the handle. The steering system may be configured to deflect at least a portion of the elongate member in at least one direction. The catheter may also include a locking mechanism configured to lock the portion of the elongate member in a deflected configuration, and a lever coupled to the handle. The lever may be configured to move from a first position to a second position to engage the locking mechanism. The lever may also be configured to be separably retained at least at one of the first position or the second position to prevent movement therebetween.

Abstract: Mounting systems for mounting a medical computer to a hospital boom assembly are disclosed. An example mounting system may include a computer securing member configured to be secured to a medical computer. The computer securing member may have a base and a top flange. The mounting system may also include universal bracket member configured to be coupled to the computer securing member. The universal bracket member may have a computer compartment configured to receive the medical computer and the computer securing member. The universal bracket member may include a mounting interface comprising a plurality of mounting apertures. The universal bracket member may be configured to engage a mounting bracket associated with a hospital boom assembly.

Abstract: An implantable medical device is adapted to be implanted at an implantation site such as a native cardiac valve annulus. The implantable medical device includes an expandable frame that is adapted to expand from a collapsed configuration for delivery to an expanded configuration for deployment, one or more valve cusps secured relative to the expandable frame, an inner skirt surrounding a portion of the expandable frame, and an outer skirt surrounding a portion of the expandable frame, the outer skirt attached to the expandable frame via one or more sutures that axially secure the outer skirt relative to the expandable frame yet allow the outer skirt to move radially relative to the expandable frame. The outer skirt may move radially outwards in response to fluid pressure, thereby improving fluid sealing relative to the native cardiac valve annulus.

Abstract: Mounting enclosures for use with a medical cart are disclosed. An example mounting enclosure may include a first component having a first base, one or more channel members disposed along the first base, a plurality of hooks, and one or more pole mounting regions. The one or more pole mounting regions may be configured to allow the mounting enclosure to be mounted to a pole of a medical cart. The mounting enclosure may include a second component configured to engage the first component. The second component may have a second base and an angled top surface. The second base may be configured to engage the one or more channel members. A computer compartment may be defined within the mounting enclosure when the first component is engaged with the second component.