Apparatus and methods for injecting biological agents into tissue. Devices are provided having elongate shafts and distal injection heads for driving needles into tissue and injecting medical agents into the tissue through the needles. A longitudinal force directed along the shaft can be translated to...http://www.google.fr/patents/US7628780?utm_source=gb-gplus-shareBrevet US7628780 - Devices and methods for interstitial injection of biologic agents into tissue
Devices and methods for interstitial injection of biologic agents into tissue