Controlled action, manually operable fluid applicator

Details Controlled action, manually operable fluid applicator Controlled action, manually operable fluid applicator

A - Human Necessities

61

M

A61M 37/00 (2006.01) A61B 17/00 (2006.01) A61M 5/315 (2006.01)

Patent

CA 2306067

The invention provides a handheld, manually operable fluid applicator, particularly suited to the needs of surgeons, which can dispense multiple medically useful fluids, for example fibrin and thrombin components of a tissue adhesive, and which has a smooth feel and action. The applicator has a novel actuator mechanism (22, 44, and 46) providing a comparatively higher mechanical advantage in a commencement phase of the actuator stroke and a comparatively lower mechanical advantage in a completion phase of the actuator stroke.

L'invention concerne un applicateur portatif de fluide, à action manuelle, particulièrement adapté aux besoins des chirurgiens, qui peuvent ainsi appliquer de multiples fluides médicalement utiles, par exemple des composants d'adhésif tissulaire à base de fibrine et de thrombine, en utilisant cet applicateur à sensation et à action douces. L'applicateur comporte un nouveau mécanisme actionneur (22, 44, 46) offrant un multiplicateur pratique comparativement supérieur dans une phase d'application de la force d'impulsion sur l'actionneur, et un multiplicateur pratique comparativement inférieur dans une phase d'achèvement de cette impulsion.

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