Electrical apparatus for destroying hypodermic syringe needles

B - Operations – Transporting – 23 – H

Patent

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Details

B23H 9/00 (2006.01) A61M 5/32 (2006.01) A61M 5/31 (2006.01)

Patent

CA 2164852

Needle destruction unit (20) permits a needle (17) of one syringe (15) at a time to be destroyed. Two overlapping disc electrodes (4a, 4b) made of high grade carbon and are rotationally and slidably mounted horizontally on shafts (7), each electrode (4a, 4b) being able to slide upwardly or downwardly on its respective shaft (7). The shaft of needle (17) contacts proximal electrode (4a) and, as the needle (17) is inserted further into the unit (20), the tip of the needle (17) contacts distal electrode (4b), completing the electrical circuit. As electricity runs through the circuit, needle (17) is heated by electrical resistance heating sufficient to incinerate the needle (17) and to sterilize any needle ash or melted needle portions. During incineration a fan (36) pulls air through a filter module (34) to filter out any emission and pollutants generated during incineration.

Unité (20) de destruction d'aiguilles permettant de détruire une aiguille (17) de seringue (15) à la fois. Deux électrodes en disque (4a, 4b) en carbone de haute qualité sont montées en chevauchement de manière à tourner et à coulisser horizontalement sur des axes (7), chaque électrode (4a, 4b) pouvant coulisser vers le haut ou vers le bas sur son axe (7) respectif. L'axe de l'aiguille (17) touche l'électrode proximale (4a) et à mesure que l'aiguille (17) pénètre plus profondément dans l'unité (20) la pointe de ladite aiguille (17) touche l'électrode distale (4b) et ferme le circuit électrique. Lorsque l'électricité passe dans le circuit l'aiguille (17) est chauffée par la résistance électrique de manière suffisante pour réduire l'aiguille (17) en cendres et stériliser les éventuelles cendres d'aiguille ou parties d'aiguille fondues. Pendant l'incinération un ventilateur (36) entraîne l'air dans un module filtrant (34) pour filtrer les rejets et les polluants produits lors de l'incinération.

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