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Biomedical subjects

C Cozean

Publications and source records attributed to C Cozean.

3 recordsLinked to original sources

Dentistry for the 21st century? Erbium:YAG laser for teeth.

The first dental laser for use in cutting human teeth in vivo was cleared by the Food and Drug Administration for marketing in the United States. The authors explored, in summary form, the data provided to the FDA for the clinical use of the erbium:yttrium-aluminum-garnet, or Er:YAG, laser. The authors concluded that using the Er:YAG laser to treat dental hard tissue is both safe and effective for caries removal, cavity preparation and enamel etching.

Adolescent↗

Fine tuning of swing phase of hydraulic knees using gait laboratory.

Recent technologic advances now permit instant gait analysis, making clinical use of the gait laboratory feasible. In this study, the ambulation of two amputees with hydraulic knee prostheses is evaluated by measuring ground reactive forces and by tracking the motion of lights attached to limb segments. A PDP 11/34 minicomputer records, integrates, and processes data received from an 8-channel force plate and from two high-speed solid-state array cameras. Information in the form of ground reactive forces, angular displacements and angular velocities of normal and prosthetic limbs is displayed on a monitor and graphed on an X-Y plotter. Adjustments are made immediately to the hydraulic mechanism so that optimal function of the prosthetic equipment can be objectively determined.

Adult↗