C - Chemistry – Metallurgy – 12 – M
Patent
C - Chemistry, Metallurgy
12
M
C12M 3/00 (2006.01) A61B 10/02 (2006.01) A61K 35/12 (2006.01) C12N 5/00 (2006.01)
Patent
CA 2660626
Methods and device for extracting and collecting tissue, which can be used for example in tissue engineering and grafting applications, are disclosed. In one embodiment, a device can include an outer tube. A rotatable shaft can be disposed within the outer tube can have a tissue harvesting tip formed on its distal end, the tissue harvesting tip being effective to excise tissue upon rotation thereof. A tissue collection device can be included to receive and collected excised tissue, and the tissue collection device can indicate the amount of tissue collected therein. For example, the tissue collection device can include a straining element which collects excised tissue and an indicator by which to assess the amount of collected tissue. In some embodiments, the tissue collection device can translate to indicate the amount of collected tissue. In many cases, devices disclosed herein can include driving mechanisms that are adapted to drive a tissue harvesting tip such that the tip excises soft tissue, but stops when contacting bone (or soon after contacting bone). In some embodiments, the tissue harvesting tip can be effective to excise viable tissue samples, such that the samples can exhibit desirable proportions of viable cells. Further, in some embodiments, the tissue harvesting tips can excise a tissue sample with tissue particles falling in certain size ranges.
Boock Robert
Cook Shelby
Dimatteo Kristian
Pesce Robert S.
Ranucci Kevin
Depuy Mitek Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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