Apparatus and method for removing fecal impaction

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/22 (2006.01) A61F 5/00 (2006.01) A61B 17/00 (2006.01)

Patent

CA 2248077

An apparatus for removing a fecal impaction from a patient's rectum is disclosed. The apparatus comprises a shaft which is inserted into the patient's rectum. Coupled to the shaft is a plurality of flexible spines. The apparatus also includes a mechanism for bowing at least one of the spines away form the shaft in order to cut through the fecal mass and define a volume that includes at least a portion of the fecal impaction to be removed. In one aspect, the mechanism for bowing at least one of the spines away from the shaft is a fixed collar which defines a plurality of flexible spine orifices. Each of the flexible spines passes a predetermined length through one of the spine orifices. In another aspect, the mechanism for bowing the spines is a collar slideably mounted to the shaft. In this aspect, each one of the plurality of flexible spines is coupled to the slideable collar. In another aspect, the apparatus includes a sheath having an edge fixed to the closer end of the flexible spines and a movable edge which can be extended to cover the flexible spines and encapsulate the fecal mass. Once the fecal mass is encapsulated by extending the sheath over the bowed spines, the fecal mass can be flattened by straightening the spines and subsequently removed.

L'invention porte sur un appareil destiné à éliminer les fécalomes du rectum d'un patient comprenant une tige s'introduisant dans le rectum à laquelle sont réunis plusieurs aiguilles flexibles et un mécanisme courbant au moins l'une des aiguilles en l'écartant de la tige de manière à découper la masse fécale et délimiter un volume incluant au moins une partie de la masse fécale à éliminer. Dans une variante, le mécanisme de courbure des aiguilles est un collier fixe comportant plusieurs orifices dont chacun laisse passer une longueur prédéterminée d'aiguille. Dans une autre variante, le mécanisme de courbure des aiguilles est un collier monté coulissant sur la tige, chacune des aiguilles étant couplée au collier coulissant. Dans une troisième variante, l'appareil comporte une gaine présentant un bord fixé à l'extrémité la plus proche des aiguilles, et un bord mobile pouvant s'étendre pour recouvrir les aiguilles et entourer la masse fécale. Une fois la masse fécale entourée, du fait de l'extension de la gaine sur les aiguilles recourbées, la masse fécale peut être aplatie en redressant les aiguilles puis extraite.

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