| 摘要 |
The technical considerations of my invention are the use of medical grade polyurethane foam in sinus membrane surgery by a dentist, physician, or a veterinarian, as a non-cutting surgical instrument. The invention is use of various shapes to do the job of cutting loose the sinus membrane from the sinus floor and sinus walls, surgery is made safer and simpler. The scope of the invention is, therefore, indicated by the claims rather than the foregoing description. Furthermore the present invention may be utilized in other specific forms without departing from the spirit or essential characteristics. The forms and shapes and various components are merely exemplary and can be varied and still fall within the scope of the invention. The scope of the invention will be determined only by the claims.
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