Tissue collection device and methods

Details Tissue collection device and methods Tissue collection device and methods

C - Chemistry, Metallurgy

12

M

C12M 3/00 (2006.01) A61B 10/00 (2006.01) A61L 27/38 (2006.01)

Patent

CA 2462392

A biological tissue collection device is provided having a housing with a fluid-retaining inner chamber adapted to retain a bioimplantable, fluid permeable tissue scaffold. The scaffold is preferably retained in the housing in such a way that the scaffold separates the fluid-retaining inner chamber into a first chamber and a second chamber. The collection device further includes a driver mechanism coupled to the housing and effective to create a force within the housing to displace fluid disposed within the second chamber to the first chamber. As the fluid is displaced, any biological tissue deposited on the tissue scaffold is dispersed within the fluid. Removal of the force enables the fluid to return to the second chamber and thereby deposit the tissue onto the tissue scaffold. In an exemplary embodiment, the tissue is deposited evenly onto the tissue scaffold.

La présente invention concerne un dispositif de prélèvement de tissus, qui est muni d'un logement avec une chambre intérieure de retenue de fluide adaptée pour contenir un support tissulaire bioimplantable et perméable aux fluides. Le support est, de préférence, retenu dans le logement de façon à ce que le support divise la chambre intérieure de retenue de fluides en un premier et un second compartiments. Le dispositif de prélèvement comporte également un mécanisme d'entraînement accouplé au logement et agissant de façon à créer une force dans le logement afin de déplacer vers le premier compartiment le fluide placé dans le second compartiment. € mesure que le fluide est déplacé, tout tissu biologique déposé sur le support est dispersé dans le fluide. La dissipation de la force permet au fluide de retourner dans le second compartiment, et ainsi, de déposer le tissu sur le support tissulaire. Dans un exemple de réalisation, le tissu est déposé uniformément sur le support tissulaire.

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