An apparatus for treating an aneurysm in a blood vessel includes an occlusion element including a first tubular mesh having a first end and a second end coupled together at a proximal end of the occlusion element such that an intermediate portion of the first tubular mesh between the first end and the second end includes a substantially 180 degree turn, the intermediate portion of the first tubular mesh extending distally from the proximal end of the occlusion element, wherein the intermediate portion of the first tubular mesh has a collapsed configuration and is configured to expand to an expanded. In some embodiments, the apparatus further includes a second tubular mesh having a first end and a second end coupled to the proximal end of the occlusion element such that an intermediate portion of the second tubular mesh between the first end and the second end includes a substantially 180 degree turn. In some embodiments, the apparatus further comprises a cover coupled to the proximal end of the occlusion element.

Disclosed herein is a bowl-shaped neck bridge with a distal-facing concavity and a central lumen. The neck bridge is inserted and expanded within a cerebral aneurysm. The, embolic members (such as embolic coils, embolic ribbons, or string-of-pearls embolic strands) are inserted through the central lumen into the aneurysm sac.

A system for manipulating a guide catheter within a patient's nasal passages or sinus cavities includes a guide catheter formed from an elongate flexible member having a lumen passing there through. A wire guide is slidably disposed within the lumen of the guide catheter. The system further includes a steering member fixedly secured to a proximal end of the wire guide and a proximal hub secured to a proximal end of the guide catheter. The system further includes a recessed handle having a first recess for fixedly receiving the proximal hub of the guide catheter and a second recess for receiving the steering member, the second recess being dimensioned to permit axial and rotational movement of the steering member while disposed in the second recess.

Intrasaccular devices and methods of implanting the devices in an aneurysm are described. The device includes an expandable body comprising a plurality of elongate filamentary elements each having a first and a second end. Each of the plurality of elongate filamentary elements extends from a first end of the device to a second end of the device and back to the first end of the device. The first and second ends of each of the plurality of elongate members are coupled at the first end of the device in a hub. The device may further include a defect spanning structure made of a mesh. The defect spanning structure may be located around a proximal portion of the expandable body, and may be disposed exteriorly to an outer surface of the expandable body

An aspiration system includes a pump and a control system in communication with the pump. The control system includes a microcontroller, an antenna configured to receive a signal, and a pump control board in communication with the microcontroller. The antenna is in communication with the microcontroller. Upon receiving the signal, the pump control board operates the pump to create negative pressure according to the signal.

An example medical device for occluding the left atrial appendage is disclosed. The example medical device for occluding the left atrial appendage includes an expandable member having a first end region and a second end region. The expandable member comprises at least one inflation cavity and at least one valve member configured to selectively seal the inflation cavity. A first inflation media may be disposed within the at least one inflation cavity and a second inflation media may be disposed within the at least one inflation cavity. The second inflation media may be different from the first inflation media. The expandable member may be configured to expand and seal the opening of the left atrial appendage.

An endovascular device, including an elongated flexible sheath defining a lumen with an inner opening sized for enabling selective advancement of an endovascular instrument therethrough, the sheath having at least a first region and a second region; an electrode within the first region of the sheath; and a constrictor associated with the first region of the sheath, the constrictor being configured, while at least the first region and the second region of the sheath are positioned within a body and in response to an input received from outside the body, to reversibly narrow the lumen of the sheath in an area adjacent the electrode to thereby bring the electrode into contact with an adjacent portion of the endovascular instrument.

Described herein are devices and related methods for occluding at least a portion of a bodily lumen during a procedure. In some embodiments, the device includes an inner shaft defining a lumen therethrough and a first aperture; and an outer shaft including a flexible member and defining a lumen therethrough and a second aperture positioned proximally on the outer shaft relative to the flexible member. The inner shaft extends through the lumen of the outer shaft, such that at least a portion of the outer shaft is axially translatable toward and away from the distal portion of the inner shaft. The flexible member is movable between an unexpanded configuration and an expanded configuration when at least a portion of the outer shaft is translated axially toward or away from the distal portion of the inner shaft. In some embodiments, the device and methods are used for endoscopy procedures.

A delivery system (10, 110) is provided for delivering and deploying an implantable balloon-based occlusion device (20) including an inflatable balloon (22). The delivery system (10, 110) includes a delivery handle (11), which includes a fluid-retaining chamber (41, 141); a plunger, which is slidingly disposed in the fluid-retaining chamber (41, 141); and a proximal rotatable user-control knob (31). A fluid-conveyance lumen catheter (18) defines a catheter fluid-conveyance lumen (19) in fluid communication with the fluid-retaining chamber (41, 141) and the inflatable balloon (22). A catheter lumen shaft (26) is in reversible connection with the balloon-based occlusion device (20), longitudinally slidable with respect to the delivery handle (11). The delivery handle (11) is configured such that rotation of the proximal rotatable user-control knob (31) in a first rotational direction concurrently (a) expels at least some of the fluid from the fluid-retaining chamber (41, 141) into the inflatable balloon (22), via the catheter fluid-conveyance lumen (19), and (b) shortens a length of the balloon-based occlusion device (20) by proximally pulling the catheter lumen shaft (26). Other embodiments are also described.

A medical instrument set includes a embolic device loading catheter that includes a catheter body including a loading lumen having an open distal end, and a proximal hub including an insertion passage communicating with a proximal end of the loading lumen, and in which an embolic device is loaded in the loading lumen; and a delivery pusher that includes an elongated pusher body insertable into the loading lumen through the insertion passage of the proximal hub of the embolic device loading catheter. The catheter body includes a distal connection portion attachable to and detachable from a sheath hub on a distal side of the catheter body. The pusher body has a body length longer than a distance from a proximal end of the insertion passage of the proximal hub to a distal end opening of a sheath communicating with a sheath lumen of a delivery catheter.