CPC A61N 5/1007 (2013.01) [A61B 10/0233 (2013.01); A61B 17/3468 (2013.01); A61B 34/30 (2016.02); A61B 2017/00544 (2013.01); A61B 2034/304 (2016.02); A61B 2090/062 (2016.02); A61N 2005/101 (2013.01); A61N 2005/1011 (2013.01)] | 17 Claims |
1. A needle delivery apparatus, comprising:
a needle;
a housing having an interior chamber extending lengthwise and an outlet;
a pneumatic stepper motor coupled to the housing and disposed in the interior chamber;
a first interior member having an interior chamber extending lengthwise, the first interior member being operably coupled to the pneumatic stepper motor and configured so that operation of the pneumatic stepper motor causes the first interior member to move lengthwise within the housing interior chamber and with respect to the housing; and
a needle piston moveably disposed in the first interior member chamber, the needle piston being coupled to the needle; and
a delivery mechanism operably coupled to a lumen of the needle, wherein the delivery mechanism is configured to deliver material through the lumen to a subject's tissue surrounding an open end of the needle disposed in the tissue.
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