Abstract: Apparatus and methods are provided for closing a tubular structure within a patient's body, e.g., a varicose vein. In one example, the apparatus includes an outer member including a cannula and an inner member carrying a pusher member slidably received within a lumen of the cannula. The cannula is inserted into the patient's body into-and-through the vein, the cannula carrying a clip within the lumen including proximal and distal tines in a stressed state and a filament coupled to one of the proximal tines. The inner member is advanced relative to the outer member to advance the pusher member to expose the distal tines from the distal tip beyond the tubular structure, whereupon the distal tines elastically deform towards a relaxed state at least partially around the tubular structure.

Abstract: Apparatus and methods are provided for closing a tubular structure within a patient's body. The apparatus includes a needle including a proximal end including a hub, a distal end including a sharpened distal tip, a lumen having an oblong cross-section extending proximally from the distal end, and defining a longitudinal axis between the proximal and distal ends, and a clip deliverable from the lumen. The clip is compressible between a relaxed state in which a plurality of tines of the clip are shaped to engage and close a tubular structure within a patient's body, and a stressed state in which the tines are compressed to allow the clip to be loaded into the. The apparatus may also include a pusher member for deploying the clip from the distal tip of the needle such that the tines engage and close a tubular structure through which the tubular member is directed.

Abstract: Apparatus and methods are provided for closing a tubular structure within a patient's body. The apparatus includes a needle including a proximal end including a hub, a distal end including a sharpened distal tip, a lumen having an oblong cross-section extending proximally from the distal end, and defining a longitudinal axis between the proximal and distal ends, and a clip deliverable from the lumen. The clip is compressible between a relaxed state in which a plurality of tines of the clip are shaped to engage and close a tubular structure within a patient's body, and a stressed state in which the tines are compressed to allow the clip to be loaded into the. The apparatus may also include a pusher member for deploying the clip from the distal tip of the needle such that the tines engage and close a tubular structure through which the tubular member is directed.