Apparatus and methods for treating tissue using passive...

Details Apparatus and methods for treating tissue using passive... Apparatus and methods for treating tissue using passive...

2011-01-04

2011-01-04

Stigell, Theodore J (Department: 3763)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

Reexamination Certificate

active

07862551

ABSTRACT:
Methods and apparatus are provided for treating damaged tissue using apparatus that atraumatically delivers a bioactive agent within the tissue, wherein the apparatus provides a column of stem cells may be advanced simultaneously with a needle during needle insertion, and then held stationary or injected at low pressure while retracting the needle. Alternatively, the needle may employ electromotive forces, or to change a dimension of the needle, to expel the bioactive agent into the needle track.

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