F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 51/00 (2006.01) A61B 1/06 (2006.01) A61B 1/32 (2006.01) A61B 5/02 (2006.01) A61B 5/04 (2006.01) A61B 5/08 (2006.01) A61M 25/00 (2006.01) F16L 29/00 (2006.01) F16L 37/28 (2006.01)
Patent
CA 2552084
An improved needle-free intravenous injection port assembly is disclosed. Embodiments include a boot valve with a helical surface, a boot valve and septum which mate with mechanical interference, a spike with a rough outer surface coated with a lubricant, a septum having a shoulder and a single continuous swabbable surface, a septum and a boot valve which are pre- punctured with a solid core steel needle, a septum with a frustroconical extension and a combination single piece septum and boot valve. The injection port assembly provides neutral fluid displacement during coupling and uncoupling.
L'invention concerne un ensemble orifice d'injection intraveineuse sans aiguille amélioré. Dans des modes de réalisation, ledit ensemble orifice d'injection peut comprend une soupape gaine à surface hélicoïdale; une soupape gaine et un septum qui s'accouplent avec une interférence mécanique; un perforateur à surface extérieure rugueuse revêtue d'un lubrifiant; un septum doté d'un épaulement et une surface continue unique nettoyable; un septum et une soupape gaine qui sont pré-perforés à l'aide d'une aiguille d'acier à noyau solide; un septum doté d'une extension tronconique; ou une combinaison de septum à pièce unique et de soupape gaine. L'ensemble orifice d'injection produit un déplacement fluidique neutre pendant un couplage et un découplage.
Gordon David P.
Kaiser James M.
Ryan Dana Wm.
Scarfone Frank A.
Gowling Lafleur Henderson Llp
Rymed Technologies Inc.
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