Method, implant and delivery system for enhancing blood flow...

A - Human Necessities – 61 – M

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Details

A61M 31/00 (2006.01) A61F 2/02 (2006.01) A61K 9/00 (2006.01) A61F 2/00 (2006.01) A61F 2/06 (2006.01)

Patent

CA 2335058

This invention is a method, implant, and delivery system for enhancing blood flow in tissue, wherein an implant (21) is non-ablatively introduced into the tissue in order to stimulate production of angiogenic agents by the tissue. The agents produced by the tissue are absorbed into the implant (21), where they are stored, and the stored agents are released back into the tissue when the production of agents by the tissue subsides. The implant (21) is fabricated of a bio-resorbing material which is resorbed onto the tissue after the agents are released, and is formed in a shape which resists migration within the tissue. The system for inserting the implant into the tissue includes a housing (38), a delivery head (27) which carries the implant, which is movable between extended, retracted positions relative to the housing (38), and actuator (28) mounted in the housing, and a depth gauge (56) mounted to the housing (38).

L'invention concerne un procédé, un implant et un système de libération utilisés pour augmenter le débit sanguin dans les tissus, un implant (21) étant introduit dans les tissus, sans ablation, de sorte que la production d'agents angiogènes par les tissus soit stimulée. Les agents produits par les tissus sont absorbés dans l'implant (21), dans lequel ils sont stockés, puis les agents emmagasinés sont renvoyés dans les tissus lorsque la production d'agents dans les tissus diminue. L'implant (21) est fabriqué dans une matière biorésorbable qui est résorbée dans les tissus après que les agents ont été libérés, et présente une forme qui résiste à la migration dans les tissus. Le système d'insertion de l'implant dans les tissus est constitué d'un boîtier (38), d'une tête de libération (27) qui porte l'implant et est mobile entre des positions sortie et rentrée par rapport au boîtier (38), d'un actionneur (28) monté dans le boîtier et d'un indicateur de profondeur (56) monté sur le boîtier (38).

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