A method and apparatus for medically treating recessed body tissues with medicament fluid. The invention comprehends aspirating the tissue to be treated prior to the introduction of the medicament fluid thereto so as to provide an improved delivery thereof. The apparatus includes a delivery tube having...http://www.google.fr/patents/US4717380?utm_source=gb-gplus-shareBrevet US4717380 - Method and apparatus for medically treating recessed body tissue
Method and apparatus for medically treating recessed body tissue