Tissue dissociation device

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 1/02 (2006.01) B02B 5/02 (2006.01)

Patent

CA 2539177

A tissue dissociation device (10) includes a container (12) having a sterile interior for holding the tissue to be dissociated and a liquid medium. The device (10) also includes a dissociation element (54), inside the container (12), for engaging the tissue to cause dissociation of the tissue. The device (10) also includes a resistive element (81), inside the container (12), for resisting movement of the tissue in response to the engagement by the dissociation element (54). Relative motion between the dissociation (54) and resistive elements (81), and the resulting resistance provided by the resistive element (81) allows the dissociation element (54) to effectively dissociate the tissue. A powered tissue dissociation device includes a power source operatively connected to the dissociation element (54) for causing the dissociation element (54) to move into engagement with the tissue

La présente invention se rapporte à un dispositif (10) de dissociation de tissu, qui comprend un récipient (12) possédant un intérieur stérile, conçu pour contenir le tissu destiné à être dissocié et un milieu liquide. Le dispositif (10) selon l'invention comporte également, à l'intérieur du récipient (12), un élément (54) de dissociation qui est destiné à venir en prise avec le tissu afin d'en provoquer la dissociation. Le dispositif (10) possède également, à l'intérieur du récipient (12), un élément (81) résistant, qui est destiné à résister au mouvement du tissu lorsque l'élément (54) de dissociation vient en prise avec lui. Le mouvement relatif de l'élément (54) de dissociation et de l'élément (81) résistant, ainsi que la résistance obtenue fournie par l'élément (81) résistant, permet à l'élément (54) de dissociation de dissocier efficacement le tissu. Un dispositif de dissociation de tissu mécanique selon l'invention comprend une source d'énergie reliée de manière fonctionnelle à l'élément (54) de dissociation, afin de provoquer le déplacement de l'élément (54) de dissociation pour qu'il vienne en prise avec le tissu

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