Surgery – Truss – Pad
Patent
1982-09-20
1984-12-25
Howell, Kyle L.
Surgery
Truss
Pad
33174D, A61B 510
Patent
active
044897324
ABSTRACT:
A sound for uterine measurement including an elongated probe provided with expandable wings at one end. A button may be selectively moved to control the extension or collapse of the wings and a stop is reciprocally mounted on the probe and has a stop surface facing the wings which is adapted to engage the cervix. A coil spring surrounds the probe and biases the stop toward the distal end of the sound and a measuring scale is carried by the instrument. A moveable index point is provided and connected to the stop so as to cooperate with the scale depending upon relative positioning of the stop on the probe. A protective housing surrounds the spring for all positions of movement of the stop to prevent the spring from coming in contact with the tissue of a patient. Preferably, the protective housing is transparent and carries the scale with the index being movable within the housing.
REFERENCES:
patent: 3706307 (1972-12-01), Hasson
patent: 4016867 (1977-04-01), King et al.
patent: 4121572 (1978-10-01), Krzeminski
patent: 4204548 (1980-05-01), Kurz
patent: 4224951 (1980-09-01), Hasson
patent: 4362167 (1982-12-01), Nicolai et al.
Hanly John C.
Howell Kyle L.
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