Substance delivering spacer devices may comprise expandable reservoirs that are implantable in paranasal sinuses and other cavities, openings and passageways of the body to maintain patency and to provide sustained local delivery of a therapeutic or diagnostic substance. Also provided are sinus penetrator...http://www.google.fr/patents/US20080287908?utm_source=gb-gplus-shareBrevet US20080287908 - Ethmoidotomy System and Implantable Spacer Devices Having Therapeutic Substance Delivery Capability for Treatment of Paranasal Sinusitis
Ethmoidotomy System and Implantable Spacer Devices Having Therapeutic ...
