A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 1/00 (2006.01)
Patent
CA 2559205
A dual cylinder pump that is used to create a vacuum in an aspiration tube of a medical system. The pump includes a first plunger that moves within a first cylinder and a second plunger that moves within a second cylinder. Movement of the plungers is controlled by a motor assembly. The pump includes valves that control the flow of fluid into and out of the cylinders so that one cylinder is pulling fluid from the aspiration tube while the other cylinder is discharging fluid. The pump housing can be constructed as a cartridge that can be removed and readily sterilized.
L'invention concerne une pompe deux cylindres servant à produire un vide dans le tuyau d'aspiration d'un système médical. La pompe comprend un premier piston qui se déplace dans un premier cylindre, et un second piston qui se déplace dans un second cylindre. Le déplacement des pistons est commandé par un ensemble moteur. La pompe comprend des soupapes qui règlent le débit du fluide entrant et sortant des cylindres, de sorte qu'un cylindre aspire le fluide provenant du tuyau d'aspiration pendant que l'autre cylindre décharge le fluide. Le corps de pompe peut être formé comme une cartouche qu'on peut retirer et stériliser rapidement.
Enlighten Technologies Inc.
Oyen Wiggs Green & Mutala Llp
LandOfFree
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