Over the endoscope introducer for stents

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/84 (2006.01)

Patent

CA 2632051

Over-the-scope stent introducers (10, 110) for detachably engaging at least a portion of the outside of an endoscope insert and for delivering a stent are provided. Embodiments include an inner member (20, 120) defining a channel. The inner member includes an outer surface (36, 136) , inner endoscope engaging surface (34, 134), and stent abutting restraint (38, 138) disposed at the first end portion (22, 122). Embodiments also include an outer member (50, 150) having a distal section (52, 152) having an opening (58, 158) and proximal section (54, 154) having an opening (60, 160) defining a passageway (62, 162) therebetween that is sized to slideably receive at least a portion (42, 142) of the inner member (20, 120), and a stent carrying inner chamber (64, 164) disposed at the passageway (62, 162) of the distal section (52, 152), the inner chamber (64, 164) being configured to releasably contain a stent.

L'invention concerne des introducteurs (10,110) de stent sur endoscope pour engager de façon détachable au moins une portion de l'extérieur d'un insert d'endoscope et pour délivrer un stent. Les représentations comprennent un membre interne (20,120) définissant un canal. Ledit membre interne consiste en une surface externe (36,136), une surface d'engagement avec l'endoscope interne (34,134) et une contention (38,138) contre laquelle vient buter un stent placée à la première portion d'extrémité (22,122). Les représentations comprennent aussi un membre externe (50,150) ayant une section distale (52,152) avec une ouverture (58,158) et une section proximale (54,154) avec une ouverture (60,160) permettant de définir un couloir (62,162) de taille à recevoir par glissement au moins une portion (42,142) du membre interne (20,120) et une chambre interne (64,164) portant un stent disposée au passage (62,162) de la section distale (52,152), la chambre interne (64,164) étant configurée pour contenir un stent de façon libérable.

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