A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 37/00 (2006.01) A61B 17/00 (2006.01) B05B 7/04 (2006.01) B05C 17/005 (2006.01)
Patent
CA 2322271
The invention provides a handheld, manually operable fluid applicator, particularly suited to the needs of surgeons, for dispensing a multi-component fluid applicator, for example fibrin and thrombin components of a tissue adhesive. The sealant components undergo turbulent mixing in a mixing chamber (58) to provide effective mixing, and a quality sealant product. The mixing chamber (58) has an increased cross-sectional area over the combined areas of the component supply passages, and the fluid flows are directly opposed to impinge on each other in the mixing chamber (58). The mixing chamber (58) is incorporated in a novel one-piece flexible, and resilient manifold (52). Dual nozzle spray applicators with poppet valves are also disclosed.
La présente invention concerne un applicateur manuel de fluides particulièrement conçu pour la chirurgie, permettant de distribuer un fluide à plusieurs composants, et notamment la fibrine et la thrombine d'une colle chirurgicale. Les composants de la colle sont soumis à un mélange par turbulence dans une chambre de mélange (58) de façon à réaliser un mélange satisfaisant donnant une colle de bonne qualité. La section intérieure de la chambre de mélange (58) augmente au niveau de la confluence des passages d'alimentation des composants. En l'occurrence, les jets des fluides viennent impacter l'un contre l'autre en sens directement opposés dans la chambre de mélange (58). Cette chambre de mélange (58) est incorporée dans un collecteur monobloc souple et élastique (52) faisant aussi l'objet de l'invention. L'invention concerne également des pulvérisateurs à deux buses pourvus de buses champignon.
Epstein Gordon Howard
Plyley Alan Kirby
Redmond Russell James
Baxter International Inc.
Sim & Mcburney
LandOfFree
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