Method and apparatus for performing maxillary sinus elevation

Details Method and apparatus for performing maxillary sinus elevation Method and apparatus for performing maxillary sinus elevation

2008-04-14

2009-12-15

Lewis, Ralph A (Department: 3732)

Surgery

Instruments

Orthopedic instrumentation

C433S172000

Reexamination Certificate

active

07632280

ABSTRACT:
A method and apparatus is disclosed for providing implants in the upper jaws of a person. A sleeve is inserted through the alveolar ridge to the maxillary sinus. The sleeve is used to raise the subantral membrane and form a cavity. A filler, such as a bone growth stimulant is injected through the sleeve into the cavity. In the process, the sleeve also can cut and/or condense the bone around itself so that the bone can hold an implant. Optionally, the bone growth stimulant is also introduced into the bone surrounding the sleeve. During the injection, the pressure within the sleeve or the cavity is monitored to detect and prevent the rupture of the subantral membrane.

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