A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 19/00 (2006.01) A61B 17/00 (2006.01)
Patent
CA 2347621
A site marker device (10), and marker (60) are provided. The site marker device (10) includes a housing (12), and a distally extending delivery tube (14). A pusher rod (40) is movably positioned within the delivery tube (14). An actuator (16) is provided to provide two a stage advancement. During the first stage, the delivery tube (14), and the pusher rod (40) are advanced through the distal end of the elongated tubular body (14). During the second stage of advancement, the pusher rod (40) is advanced independently of the delivery tube (14) to eject a marker (60) from the distal end thereof. The marker (60) is formed from a shape memory material, and has a circular or hoop configuration in the relaxed state.
L'invention concerne un dispositif de marquage de site (10) et un marqueur associé (60). Le dispositif de marquage de site (10) comprend un logement (12) et un tube d'alimentation sur le côté distal (14). Une tige poussoir (40) est disposée mobile à l'intérieur du tube d'alimentation (14). Un actionneur (16) permet un déplacement en deux temps dudit tube. Dans un premier temps, le tube d'alimentation (14) et la tige poussoir (40) s'avancent à travers l'extrémité distale du corps tubulaire allongé (14). Dans un second temps, la tige poussoir (40) s'avance indépendamment du tube d'alimentation (14) pour éjecter un marqueur (60) à partir de l'extrémité distale dudit tube. Ce marqueur (60), qui est fait d'un matériau à mémoire de forme, présente une configuration circulaire ou annulaire à l'état de repos.
Esposito Felix
Palmer Mitchell J.
Pellicano John
Viola Frank J.
Mcfadden Fincham
United States Surgical Corporation
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