Biopsy device with discrete tissue chambers

Details Biopsy device with discrete tissue chambers Biopsy device with discrete tissue chambers

A - Human Necessities

61

B

A61B 10/00 (2006.01) A61B 10/02 (2006.01)

Patent

CA 2745885

A biopsy device includes a probe, a holster, and a tissue sample holder for collecting tissue samples. The probe includes a needle and a hollow cutter. The tissue sample holder includes a housing (304) having a plurality of chambers (316) that are respectively configured to receive a tray (306). The housing is releasably engageable with the probe. Each tray is configured to receive a tissue sample communicated through the cutter lumen. Each tray is removable from the housing, such as along an axial direction. The tissue sample holder is rotatable to successively index each chamber to the cutter lumen. A tray retainer (370) is operable to selectively secure the trays relative to the housing. The trays may be flexible, resilient, or rigid.

L'invention concerne un dispositif pour biopsie comprenant une sonde, un holster et un porte-échantillon de tissu permettant de recueillir des échantillons de tissu. La sonde contient une aiguille et une cisaille creuse. Le porte-échantillon de tissu contient un logement (304) présentant une pluralité de chambres (316) qui sont respectivement configurées pour recevoir un plateau (306). Le logement peut s'engager dans la sonde de manière détachable. Chaque plateau est configuré pour recevoir un échantillon de tissu mis en communication à travers le lumen de la cisaille. Chaque plateau est amovible du logement, par exemple selon une direction axiale. Le porte-échantillon de tissu est rotatif pour indexer de manière successive chaque chambre avec le lumen de la cisaille. Un système de retenue de plateau (370) est actionnable pour fixer de manière sélective les plateaux par rapport au logement. Les plateaux peuvent être flexibles, résilients ou rigides.

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