Sample collection

A - Human Necessities – 61 – B

Patent

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Details

A61B 10/00 (2006.01) A61M 25/10 (2006.01) A61M 29/02 (2006.01)

Patent

CA 2180138

This invention is taking a bodily sample from deep within the body of a patient and collecting the sample outside the body to facilitate treatment of the patient. A sampling probe is provided in the form of an elongate catheter (4) having a proximal portion that remains outside the body and a distal portion that can be located within the body. The distal portion includes a membrane (16) with openings (18) that communicate with space (19) that communicates with a source of suction force (22). The catheter (4) is positioned within the body. The sample is taken by exposing the membrane (16) by placing it in proximity with a desired location so that the bodily sample is received by the membrane (16). The catheter (4) is removed from the patient and the sample is collected outside the body.

La présente invention concerne le prélèvement d'un échantillon biologique en profondeur dans le corps d'un patient et la collecte de l'échantillon à l'extérieur du corps afin de simplifier le traitement du patient. Une sonde à prélèvement, constituée d'un cathéter (4) de forme allongée, comporte une partie proximale qui reste à l'extérieur du corps et une partie distale qui peut être introduite dans le corps. La partie distale comporte une membrane (16) munie d'orifices (18) communiquant avec un interstice (19) lui-même en communication avec une source d'aspiration (22). Le cathéter (4) est mis en place dans le corps. On effectue le prélèvement en découvrant la membrane (16) lorsqu'on la place à proximité de l'endroit voulu de façon que l'échantillon biologique soit pris en charge au niveau de la membrane (16). Le cathéter (4) est retiré du patient et l'échantillon est recueilli à l'extérieur du corps.

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