The present invention provides an improved vascular occlusion device having improved flexibility and retention of the type fabricated from braided tubular metal fabric having an expanded preset configuration and an elongated collapsed reduced diameter configuration for delivery through a catheter to a treatment site and shaped to create an occlusion of an abnormal opening in a body organ or vessel, the woven metal fabric having a memory property whereby the medical device tends to return to said expanded preset configuration when unconstrained. The device further including at least one disk portion adjacent a body cylindrical portion formed from the fabric and having a transition diameter between the disk and cylindrical portion, significantly smaller than the diameter of the disk and the diameter of the cylindrical portion.

A closure system includes a catheter having an internal diameter D1 [mm]; and a closure device to be delivered to the hole or duct in the tissue through the catheter. The closure device includes: a first plate including a first center part, and a first extension part extending around the first center part and containing a resin having elastic restorability; and a waist part connected to the first center part. The first extension part has a thickness A1 [mm]. The waist part has a maximum dimension T1 [mm] in a plan view. The internal diameter D1 of the catheter is larger than 2?A1+T1.

A treatment system includes an insert that is resiliently deflectable. The tip portion of the insert can be configured to be coupled to the trailing portion of an implant. A guide tube having an internal lumen is configured to permit passage of the tip portion and the body portion of the insert through a guide tube. The guide tube can have a length that is less than that of the insert. Treatment systems include a plurality of inserts, each insert differing from in at least one of length, diameter, and curvature. Treating a patient can include sizing a fistula using an insert.

Devices for puncturing, anchoring in the tissue of a human heart, and sealing the puncture and methods of puncturing, deploying anchors, and sealing the puncture are disclosed. The anchors are used to remodel the shape of the heart. The devices and methods use sealing structures to prevent blood leak through a passage formed by puncturing the heart tissue.

A vascular closure device includes a delivery assembly, an anchor member carried by the delivery assembly, and a suture attached to the anchoring member. A plug member can be disposed in the delivery assembly and attached to suture such that the plug member. The plug member includes a plug body, a pair of ridges that project from the plug body, and a select location disposed between the pair of ridges. The plug member configured to, in response to a force applied to the select location, transition from an insertion configuration, whereby the plug member is elongate along an insertion direction, into a collapsed configuration, whereby the plug member is collapsed along the insertion direction.

The present invention provides an improved vascular occlusion device having improved flexibility and retention of the type fabricated from braided tubular metal fabric having an expanded preset configuration and an elongated collapsed reduced diameter configuration for delivery through a catheter to a treatment site and shaped to create an occlusion of an abnormal opening in a body organ or vessel, the woven metal fabric having a memory property whereby the medical device tends to return to said expanded preset configuration when unconstrained. The device further including at least one disk portion adjacent a body cylindrical portion formed from the fabric and having a transition diameter between the disk and cylindrical portion, significantly smaller than the diameter of the disk and the diameter of the cylindrical portion.

Devices and methods for assisting cardiac function. In an exemplary embodiment of a device for assisting heart function of the present disclosure, the device includes a first plate and an opposing second plate, each plate having an inner surface, a cardiac processor coupled to at least one of the first plate and the second plate, a bladder having an inner chamber and disposed between the inner surfaces, and a first catheter having a proximal end in communication with the inner chamber of the bladder and a distal end having a first pericardial balloon coupled thereto, wherein a gas and/or a liquid within the inner chamber of the bladder can be injected into the first pericardial balloon upon compression of the first plate relative to the second plate, and wherein the gas and/or the liquid can be removed from the first pericardial balloon upon retraction of the first plate relative to the second plate.

Embodiments of the present disclosure are directed to closure devices, more particularly, apical closure devices and methods and systems for use thereof, for closing surgical openings or defects in the wall of the heart.

Devices, methods and systems are provided for occluding a left atrial appendage. In one embodiment, a medical device includes a cover portion and a foam anchor portion with a flexible member coupled therebetween. The cover portion is configured to be positioned over an ostium of the left atrial appendage. The foam anchor portion extends between a proximal end and a distal end to define a length and an axis defined along the length of the foam anchor portion. The foam anchor portion defines a curved external surface radially extending relative to the axis such that the curved external surface extends between the proximal and distal ends of the foam anchor portion. The foam anchor portion is configured to self-expand to provide an outward biasing force from the curved external surface such that a circumferential surface area of the curved external surface biases against tissue of the left atrial appendage.

The present disclosure provides a bioresorbable foam closure device for trans-nasally closing an opening in a base of a skull. The closure device comprises a phase-separated polymer. The device includes a stem portion having a proximal end and a distal end, and a head portion at the distal end of the stem portion. The closure device is deformed from a free shape to a constricted shape, inserted through a nasal cavity and into the opening, and released to at least partially revert back to the free shape such that the stem portion fills the opening and the head portion abuts cranium and dura to secure the closure device in position and seal the opening.