Control system and method for automated biopsy device

Details Control system and method for automated biopsy device Control system and method for automated biopsy device

A - Human Necessities

61

B

A61B 10/00 (2006.01) A61B 19/00 (2006.01)

Patent

CA 2239614

An automatic control system for a vacuum-assisted automatic core biopsy device (10) is provided, wherein the automatic core biopsy device (10) comprises a housing (12), out of which extends a needle assembly (14) including a hollow outer piercing needle (16), an inner cutter (18) having a lumen (20), a probe housing (22), and a tissue receiving notch (24). The automatic control system (92) is computerized to move the hollow outer piercing needle (16) automatically to the target tissue lesion, as was true in the prior art, but also is programmed to automatically control the rotational orientation of the piercing needle (16), and its associated tissue receiving notch (24), as well as the axial positioning and rotation of the cutting cannula (18). Consequently, a clinician user need only mark the desired locations within the target location from which tissue samples are desired and the automatic control system will operate the device to retrieve samples from the marked locations.

Système de commande automatique conçu pour un dispositif (10) automatique de microbiopsie assistée par aspiration, ledit dispositif (10) étant composé d'un boîtier (12), hors duquel s'étend un ensemble aiguille (14) comprenant une aiguille extérieure creuse de perforation (16), une canule coupante (18) possédant une lumière (20), une enveloppe de sonde (22) et une encoche (24) servant à recevoir le tissu prélevé. Ce système de commande automatique (92) est informatisé, afin de déplacer automatiquement l'aiguille extérieure creuse de perforation (16) vers la lésion tissulaire ciblée, de la même façon que dans l'état de la technique, mais qui est également programmé pour commander automatiquement le sens de rotation de l'aiguille de perforation (16) et de son encoche associée (24), ainsi que le positionnement axial et la rotation de la canule coupante (18). De ce fait, le praticien a seulement besoin de repérer les emplacement souhaités à l'intérieur de la cible, dont il désire prélever des échantillons de tissu, et le système de commande automatique met le dispositif en service afin de prélever les échantillons depuis les emplacements repérés.

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