Patent ID: 8328753
Filing Date: 2012-12-11
Classification: A61B,A61M,A61N

Abstract:
1. A bioinjection device, comprising: a housing having a pistol grip and an elongated barrel mounted on the pistol grip, the barrel having a front end defining an opening; a trigger pivotally mounted on the housing; an elongated plunger having a channel formed therethrough, and a pointed needle received within the channel and extending therefrom, the plunger being slidable between a first position in which the plunger and pointed needle are retracted within the barrel and a second position in which the plunger and pointed needle extend through the opening at the front end of the barrel; a retaining member disposed about the opening at the front end of the barrel, the retaining member being adapted for loading a membranous cartridge containing a bone healing medicament therein; and a spring-loaded actuation mechanism coupling the trigger with the plunger and the pointed needle in order to eject the membranous cartridge from the retaining member into bone tissue and pierce an outer membrane of the membranous cartridge to release the medicament into the bone tissue during surgery when the trigger is squeezed.