Patent ID: 8419426

Claim:
A positioning and immobilization device for positioning and immobilizing a mandibular or maxillary surgical guide on a patient, said guide is adapted to fit a dental implant, said positioning and immobilization device comprising: a body comprising a rigid mask having a bearing face adapted to fit over the patient's entire face, the body being provided with ocular openings and with an oro-nasal opening, said openings are designed to be placed in register, respectively, with the eyes, and with the mouth and the nostrils of the patient; the body being made of a thermoplastic material having a softening temperature lying in the range of 38° C. to 80° C.; a fastener device adapted to provide a rigid link between the body and a surgical guide, the fastener device comprising a box that defines a housing having an open top and linked to the body by a rigid arm, and a link slab member having a shape complementary to a shape of said housing and adapted to fit into the housing for co-operating with the fastener device and with the surgical guide to immobilize the surgical guide on the mandible or the maxilla of the patient with the mouth open, and extending from the surgical guide outside the oral cavity when the surgical guide is placed in register with the patient's mandible or maxilla.