Measuring probe

Details Measuring probe Measuring probe

1986-03-31

1987-05-19

Little, Willis

Geometrical instruments

Gauge

Anatomical

33169B, 433 32, A61B 505, G01B 726

Patent

active

046656219

ABSTRACT:
An apparatus for measuring the distance between two points in a patient undergoing dental diagnosis or treatment which includes a housing having an end which is placeable adjacent a first of said points. A distance measurement apparatus is coupled to the housing and provides an output signal representative of the distance between the two points. An analyzer responsive to the output signal determines the distance. The distance measurement apparatus may include an elongate probe slidably mounted in the housing so as to be extendable from one point to the other when the end of the housing is placed adjacent one said point. A probe actuator causes the probe to slide in the housing. A motion detector is responsive to motion of the probe with respect to the housing and provides an output which is useful for determining the position of the probe with respect to the housing. The probe actuator may be manually activated. A friction mechanism may be provided to assure that a predetermined force is utilized to move the probe so that measurement accuracy is enhanced. The analyzer may include a microcomputer for analyzing the data produced and for presenting the data in a displayable format.

REFERENCES:
patent: 3916529 (1975-11-01), Mousseau
patent: 3943914 (1976-03-01), Grenfell et al.
patent: 3979835 (1976-09-01), Sumption et al.
patent: 4164214 (1979-08-01), Stark et al.
"The Accuracy of Clinical Parameters in Detecting Periodontal Disease Activity", Ryan, Robert J.; JADA vol. III, Nov., 1985, pp. 753-760.
"Fiber Optic Links"-7 pages-Molex.
"An Electronic `Hammer` Beats Out X Rays"-Gosch, John-Electronics, Mar. 3, 1986, p. 25.
"The Periogram System"-William L. O'Neill-3 pages.

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