1975-11-11
1977-03-22
Burr, Edgar S.
Surgery
Truss
Pad
128361, A61M 2900
Patent
active
040130797
ABSTRACT:
A dilator for medical applications particularly for dilating the cervical canal of the uterus in which a rigid rod-shaped probe has a profiled head section on the free end of the probe. A housing for supporting the probe has also a vibrating arrangement for applying vibrations transversely to the longitudinal axis of the probe. The frequency and amplitude of vibration of the probe are continuously variable and independent of each other. An adjusting slide for continuous variable adjustment of the vibration frequency or amplitude, is provided on a handle located at right angles to the longitudinal axis of the probe. The vibrating arrangement within the housing is releasably connected to a power supply via a cable and quick-action couplings.
REFERENCES:
patent: 1628272 (1927-05-01), Reitz
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patent: 2842133 (1968-07-01), Uhma
patent: 3352303 (1967-11-01), Delaney
patent: 3630190 (1971-12-01), Baker
patent: 3642002 (1972-02-01), Otterstrom
patent: 3779233 (1973-12-01), Saslow et al.
patent: 3902499 (1975-09-01), Shene
Lindemann Hans-Joachim
Wiest Peter P.
Burr Edgar S.
Fogiel Max
Sewell Paul T.
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