A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 10/00 (2006.01) A61B 17/22 (2006.01) A61B 17/30 (2006.01)
Patent
CA 2211422
Instruments for performing percutaneous biopsy procedures are disclosed, which have advantageous features for improving functionality and performance over prior art devices. These instruments comprise two types, single-use devices, and multiple-use devices having active tissue capture capability. Improved features include the ability to retrieve and evaluate multiple tissue samples during a single insertion procedure, without physical handling of the samples, as well as constructional features, such as a molded tissue cassette housing, variant vacuum port embodiments suited for different tissue environments, and a method for backflushing the instrument to remove biological debris, among others.
Il s'agit d'instruments pour réaliser des biopsies percutanées qui comportent des avantages sur le plan de la fonctionnalité et de la performance par rapport aux instruments antérieurs. Ces instruments sont de deux types, à usage unique et à usages multiples, qui permettent le prélèvement actif de tissus. Les améliorations en question sont notamment la capacité de récupérer et d'évaluer des échantillons de plusieurs tissus au cours d'une même insertion, sans manipulation des échantillons, ainsi qu'une facture améliorée, notamment par la présence d'un réceptacle moulé pour les tissus, d'ouvertures pour aspiration convenant à plusieurs types de tissus, et une façon de nettoyer l'instrument par circulation inverse, ce qui permet de retirer les débris biologiques, entre autres.
Burbank Fred H.
Galt Kenneth M.
Ritchart Mark A.
Stuart J. Michael
Biopsys Medical Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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