Applicator instruments for controlling bleeding at surgical...

A - Human Necessities – 61 – B

Patent

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A61B 17/12 (2006.01) A61F 2/01 (2006.01) A61M 25/10 (2006.01) A61B 17/00 (2006.01)

Patent

CA 2719768

An instrument for controlling bleeding includes an outer shaft having a central lumen extending between proximal and distal ends thereof, and an inner shaft disposed within the central lumen of the outer shaft, the inner shaft having a central lu-men extending between proximal and distal ends thereof. The instrument has an inflatable balloon with a proximal end secured to the outer shaft and a distal end that is inverted and secured to the inner shaft. In one embodiment, the balloon has a spherical shape when the outer and inner shafts are in a first position and a toroidal shape when the outer and inner shafts are in a second position. The instrument includes an actuator for discharging a flowable material from the central lumen. In one embodiment, the instrument includes a stylet having barb-like features to attach a hemostat to the distal end of the instrument.

La présente invention concerne un instrument pour maîtriser les saignements comprenant une tige externe ayant une lumière centrale sétendant entre ses extrémités proximale et distale, et une tige interne disposée à lintérieur de la lumière centrale de la tige externe, la tige interne ayant une lumière centrale sétendant entre ses extrémités proximale et distale. Linstrument présente un ballonnet gonflable avec une extrémité proximale fixée à la tige externe et une extrémité distale qui est inversée et fixée à la tige interne. Dans un mode de réalisation, le ballonnet a une forme sphérique lorsque les tiges externe et interne sont dans une première position et une forme toroïdale lorsque les tiges externe et interne sont dans une seconde position. Linstrument comprend un organe de commande pour faire sortir un matériau coulant de la lumière centrale. Dans un mode de réalisation, linstrument comprend un stylet ayant des propriétés de crochet pour fixer une pince hémostatique à lextrémité distale de linstrument.

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