Dialysis combination and microdialysis probe and insertion...

A - Human Necessities – 61 – M

Patent

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Details

A61M 1/14 (2006.01) A61B 10/00 (2006.01) A61M 25/01 (2006.01) A61M 25/06 (2006.01)

Patent

CA 2181580

The invention relates to a dialysis probe combination with a microdialysis probe (1) which can be inserted into tissue with the aid of an insertion device that includes a cannula tube (9). In order to be able to remove the cannula tube (9) after insertion, the tube is provided with a slot along the whole of its length, this slot preferably including an angle of about 65° in the radial direction. During insertion, the probe is held within the cannula tube by virtue of the major part of the probe being larger than the slot. However, the proximal portion of the probe includes a flattened part which is able to pass through the slot, and the cannula tube can be drawn past the flattened part by lifting said part, while leaving the probe in the tissue.

Combinaison de sonde de dialyse comprenant une sonde de microdialyse (1) qui peut être introduite dans des tissus à l'aide d'un dispositif d'insertion qui comporte une canule (9). Afin de pouvoir enlever la canule (9) après insertion, ladite canule est dotée d'une fente sur toute sa longueur, ladite fente présentant de préférence un angle d'environ 65~ dans la direction radiale. Pendant l'insertion, la sonde est maintenue à l'intérieur de la canule grâce au fait que la majeure partie de la sonde est plus grande que la fente. Toutefois, la partie proximale de la sonde comporte une partie aplatie qui est capable de passer à travers la fente, et on peut tirer la canule pour qu'elle passe ladite partie aplatie en soulevant cette dernière, tout en laissant la sonde dans les tissus.

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