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Measurement of hydraulic pressure on the sinus membrane for safer control during transcrestal sinus lifting
J H Ro1, J H Moon1, M C Cheon1
1Biomedical Engineering, School of Medicine, Pusan National University, Yangsan-si, Gyeongsangnam-do, Republic of Korea.
Abstract:
The aim of this study was to determine the hydraulic pressures necessary to separate and lift the sinus membrane from the sinus floor in order to ensure a more controlled and safer hydraulic transcrestal sinus lifting surgery and prevent sinus membrane perforation. A flow-regulating hydrodynamic device with a pressure sensor was used in nine patients. The hydraulic pressure was found to increase steadily up to a mean peak of 25.0±13.0kPa, which is comparable to the medium suction power of ordinary vacuum cleaners. Subsequently, there was a short plateau followed by a sharp decrease in the hydraulic pressure.
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