A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 10/06 (2006.01) A61B 6/00 (2006.01) A61B 10/04 (2006.01) A61B 18/14 (2006.01)
Patent
CA 2322775
A biopsy forceps device is provided for obtaining tissue samples at a site within the body, while maintaining access to the site through an access lumen of the biopsy forceps. The device includes an elongate tubular body (22) for introduction into the body and navigation to an area of interest. An inner tubular member (20) having a lumen, or a plurality of lumens (28), extends through or adjacent the outer tubular member (22), from the proximal end to the distal end, where cutting jaws (120) are provided. The cutting jaws (120) are rotatably mounted at the distal end of the device and are controlled by movement of the inner tubular member (20). The inner tubular member (20) is coupled with a handle portion allowing control of the cutting jaws at the proximal end. Access to the lumen (28) of the inner tubular member (20) is gained at the proximal end, where a luer fitting is provided. The lumen of the inner tubular member has a removable optical fiber (900) disposed therethrough or allows for a variety of medical instruments to be inserted so that the instruments can be used coaxially in the same location as where the biopsy sample is taken.
L'invention porte sur un forceps pour biopsies permettant le prélèvement d'échantillons de tissus d'un site du corps, tout en permettant d'accéder audit site par une lumière le traversant. L'instrument comprend un corps (22) tubulaire allongé s'introduisant dans le corps et pouvant être amené sur la zone d'intérêt, un élément tubulaire (20) intérieur percé d'une ou plusieurs lumières (28) et traversant d'un bout à l'autre ou jouxtant le corps tubulaire (22) allongé, et muni de mâchoires (120) coupantes montées pivotantes à l'extrémité distale de l'instrument et commandées par les déplacements de l'élément tubulaire (20) intérieur. Ce dernier (20) est couplé à une poignée commandant les mâchoires placée à l'extrémité proximale. L'accès à la lumière (28) de l'élément tubulaire intérieur se fait par l'extrémité proximale où se trouve un raccord Luer. Ladite lumière peut servir à introduire une fibre (900) optique retirable, ou différents instruments médicaux coaxiaux, sur le site même de la biopsie.
Farris John P.
Feddern Mark H.
Mcmahon Brian T.
Pokorney James L.
Porter David E.
Gowling Lafleur Henderson Llp
Spectrascience Inc.
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