Papilla spreader

A - Human Necessities – 61 – M

Patent

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Details

A61M 29/00 (2006.01) A61B 17/02 (2006.01)

Patent

CA 2659591

The present inyention provides apparatus and methods for facilitating. entry through a bodily opening (105) comprising a spreader (20) having a plurality of arms, each of the arms being formed of a resilient material and shaped so that the distal ends tend to be spaced apart from each other when the spreader is in an open position. At least one Of the arms has an engaging member having a sharpness adapted to grasp tissue. When the spreader is radially deployed to the open position the engaging member (32, 34, 36) grasps tissue adjacent the bodily opening and urges the tissue away from the opening to facilitate visualization of the opening and/or access into the opening. A catheter (50) or other device may subsequently be inserted between one or more arms of the spreader and through the bodily opening while the spreader holds the tissue in a spread position.

La présente invention concerne un appareil et des procédés permettant de faciliter l'entrée dans une ouverture corporelle. Ledit appareil comprend un écarteur muni d'une pluralité de bras, chacun des bras étant formé à partir d'un matériau élastique et façonné de telle sorte que les extrémités distales sont éloignées les unes des autres lorsque l'écarteur est en position ouverte. Au moins l'un des bras est muni d'un élément d'engagement présentant un affûtage conçu pour agripper du tissu. Lorsque l'écarteur est déployé radialement dans la position ouverte, l'élément d'engagement agrippe le tissu adjacent à l'ouverture corporelle et écarte le tissu de l'ouverture corporelle pour faciliter la visualisation de l'ouverture et/ou l'accès par ladite ouverture. Un cathéter ou un autre dispositif peut par la suite être introduit entre un ou plusieurs bras de l'écarteur et dans l'ouverture corporelle, pendant que l'écarteur maintient le tissu écarté.

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