Fat collection and preparation system and method

A - Human Necessities – 61 – K

Patent

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Details

A61K 35/12 (2006.01) A61M 1/00 (2006.01) A61M 5/178 (2006.01) B01D 35/02 (2006.01) B04B 5/00 (2006.01)

Patent

CA 2563543

System and methods for collecting and preparing fat for autologous fat transplantation. The system includes a centrifuge, syringes, and filtering and transferring assemblies coupled with the syringes. Substances, including oil, fat, and denser substances (tumescent fluid, connective tissue, and other non- fat substances), are harvested into a syringe. A dye is provided or injected in the syringe. Centrifugation of the syringe stratifies the substances into a top oil stratum, a middle fat stratum, and a bottom denser substance stratum. A superficial layer of less viable fat tissue in the middle stratum is highlighted by the dye. Denser substances are filtered out of the syringes during centrifugation. Oil and the less viable fat tissue are removed through a port in the plunger head of the syringe plunger. More viable fat tissue is transferred into smaller syringes through an adapter in the assembly coupled with the syringe and the smaller syringes.

L'invention concerne un système et des procédés permettant de collecter et de préparer des graisses aux fins d'une transplantation de graisses autologues. Le système comporte une centrifugeuse, des seringues, et des ensembles de filtrage et de transfert couplés avec les seringues. Des substances, y compris l'huile, la graisse et des substances plus denses (fluide tumescent, tissu conjonctif, et autres substances non grasses) sont recueillies dans une seringue. Un colorant est fourni ou introduit dans la seringue. La centrifugation de la seringue stratifie les matières en strate d'huile supérieur, strate de graisse intermédiaire, et strate de substance inférieure plus dense. Une couche superficielle de tissu gras moins viable dans le strate intermédiaire est mise en évidence par le colorant. Les substances plus denses sont filtrées hors de la seringue pendant la centrifugation. L'huile et les tissus gras moins viables sont évacués par un port situé dans la tête du piston de la seringue. Les tissus gras plus viables sont transférés dans des seringues plus petites par un adaptateur de l'ensemble couplé avec la seringue et les seringues plus petites.

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