A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/31 (2006.01)
Patent
CA 2650189
A syringe (1) comprises a barrel (2) with a plunger (3) in slidable and sealing engagement therein, and a needle attached to one end of the barrel (2). The barrel (2) has aspiration means (13) in the form of manually-operable resilient portions (13), which can be operated to cause a pressure differential in the barrel (2), the pressure differential then being used to perform aspiration. The resilient portions (13) are preferably formed by localised reductions (15) of wall thickness in the external surface of the barrel (2).
L'invention concerne une seringue (1) qui comprend un cylindre (2) avec un piston (3) en contact coulissant et étanche dans le cylindre, et une aiguille attachée à une extrémité du cylindre (2). Le cylindre (2) comporte des moyens d'aspiration (13) sous forme de parties souples (13) manipulables qui peuvent être manipulées pour provoquer une pression différentielle dans le cylindre (2), ladite pression différentielle étant utilisée ensuite pour réaliser l'aspiration. Les parties souples (13) sont formées de préférence par des réductions localisées (15) de l'épaisseur de la paroi dans la surface externe du cylindre (2).
Koska Marc Andrew
Madin Graham John
Macrae & Co.
Star Syringe Limited
LandOfFree
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