Improvements in and relating to medical instruments

Details Improvements in and relating to medical instruments Improvements in and relating to medical instruments

A - Human Necessities

61

B

A61B 1/31 (2006.01) A61B 1/32 (2006.01)

Patent

CA 2686120

An illuminated medical instrument comprises an insertion portion (1) for insertion into a body opening and defining an elongate passageway (2), the passageway extending along a longitudinal axis (3) and having a proximal end (4) and a distal end (5). An obturator (19) is fitted into the passageway (2). A light emitting structure (7) has a distal end arranged to direct light from the insertion portion (1) into the body opening. The obturator (19) is movable in the passageway (2) between a first position within the passageway and a second position proximal of the first position and is constructed and arranged so that when in its first position it substantially covers in the direction of the longitudinal axis the distal end of the light emitting structure (7).

La présente invention concerne un instrument médical éclairé qui comprend une partie insertion (1) destinée à être introduite dans une ouverture de corps et définissant un passage allongé (2), le passage s'étendant le long d'un axe longitudinal (3) et possédant une extrémité proximale (4) et un extrémité distale (5). Un obturateur (19) est installé dans le passage (2). Un dispositif électroluminescent (7) possède une extrémité distale placée de manière à éclairer directement l'ouverture du corps depuis la partie insertion (1). L'obturateur (19) peut se déplacer dans le passage (2) entre une première position se trouvant dans le passage et une seconde position proche de la première; il est conçu et installé de telle sorte que lorsqu'il se trouve dans la première position, il couvre sensiblement l'extrémité distale du dispositif électroluminescent (7) dans la direction de l'axe longitudinal.

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