A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/178 (2006.01) F42B 12/54 (2006.01)
Patent
CA 2362809
A plunger (19) located in the barrel (18) which is in sealing engagment with and movable along the barrel towards or away from the needle and an aperture (23) extending from the barrel rearward of the plunger in its loaded position communicating between the tubular member (10) and an area in the barrel rearward of the plunger, sealing means (21) mounted on the syringe rearward of the aperture and sealingly engaging the tubular member.
L'invention concerne une fléchette constituée d'un piston (19), situé dans le cylindre (18), qui vient au contact étanche du cylindre et qui se déplace le long dudit cylindre de manière à se rapprocher ou à s'écarter de l'aiguille, une ouverture (23) dépassant du cylindre à l'arrière du piston en position chargée, communiquant ainsi entre l'élément tubulaire (10) et une zone du cylindre à l'arrière du piston, et des moyens d'étanchéité (21) montés sur la seringue à l'arrière de l'ouverture, qui viennent au contact étanche de l'élément tubulaire.
Middleton David Russell
Moffat & Co.
LandOfFree
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