A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/19 (2006.01) A61M 5/31 (2006.01) A61M 5/315 (2006.01)
Patent
CA 2218734
A dual action syringe which comprises a hollow body (11) defining a rear chamber and a front chamber, wherein the rear chamber has a greater internal cross-sectional area than the front chamber, a double action plunger mechanism comprising a primary plunger (20) with a cross section which matches the internal cross section of the rear chamber and a secondary plunger (23) telescopically mounted within the primary plunger and having a cross section which matches the internal cross section of the front chamber, the proximal end of the secondary plunger extending beyond the proximal end of the primary plunger and terminating in a handle (24) which enables the plunger mechanism to be slidably moved relative to the hollow body.
Seringue à double action comprenant un corps creux (11) définissant une chambre arrière et une chambre avant, la section transversale de la chambre arrière étant supérieure à celle de la chambre avant, un mécanisme de piston à double action comportant un premier piston (20), dont la section transversale correspond à la section transversale intérieure de la chambre arrière et un deuxième piston (23) monté de façon télescopique à l'intérieur du premier piston et dont la section transversale correspond à la section transversale intérieure de la chambre avant, l'extrémité proximale du deuxième piston s'étendant au-delà de l'extrémité proximale du premier piston et se terminant en une poignée (24), ce qui permet de faire coulisser le mécanisme de piston par rapport au corps creux.
American Medical Systems Inc.
Smart & Biggar
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