APPARATUS AND METHODS FOR TREATING TISSUE USING PASSIVE INJECTION SYSTEMS
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Accused Products
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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Citations
41 Claims
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1-21. -21. (canceled)
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22. A method of atraumatically depositing a bioactive agent into a spinal cord, the method comprising:
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removing an amount of cerebrospinal fluid from the spinal cord; and depositing an amount of a bioactive agent into the spinal cord, wherein the amount of cerebrospinal fluid is substantially equivalent to the amount of the bioactive agent. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A method of atraumatically depositing a bioactive agent into a spinal cord, the method comprising:
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removing a first amount of cerebrospinal fluid from a first side of the spinal cord; and depositing a first amount of a bioactive agent into the first side of the spinal cord, wherein the first amount of cerebrospinal fluid is substantially equivalent to the first amount of the bioactive agent. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41)
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Specification