Surgery – Truss – Pad
Patent
1989-02-24
1991-02-26
Hindenburg, Max
Surgery
Truss
Pad
433 72, 433118, A61B 5103
Patent
active
049954032
ABSTRACT:
A periodontal probe includes sequentially disposed, normally connected sensor, shaft and tip portions, and a longitudinally extending fiber element in the tip and shaft portions. The fiber element is retractable into the tip portion to measure the depths of periodontal pockets in the mouth of a patient, and the sensor portion is operative for generating electrical signals which cumulatively provide indications of the relative positions of the tip portion and the fiber element. The shaft portion, the tip portion and the fiber element are preferably disposable and detachably connected to the sensor portion so that they can be discarded after a single periodontal examination. The shaft portion and the tip portion preferably have a combined length of at least approximately 41/2 inches so that only the disposable portions of the probe normally come into contact with the hands of a dentist or the mouth of a patient during a periodontal examination. The terminal end portion of the fiber element preferably has a series of different colored annular bands thereon so that a dentist can visually observe the position of the fiber element relative to the gingival margin during a periodontal examination.
REFERENCES:
patent: 3943914 (1976-03-01), Grenfell et al.
patent: 4182312 (1980-01-01), Mushaback
patent: 4677756 (1987-07-01), Simon et al.
patent: 4764114 (1988-08-01), Jeffcoat et al.
patent: 4791940 (1988-12-01), Hirschfeld et al.
patent: 4823809 (1989-04-01), Gott, Jr. et al.
Van Der Velden et al., "Introd. of a New Periodontal Probe", Journal of Clin. Periodontology: 1978: 5: pp. 188-197.
Barfoot James W.
Beckman Ralph A.
Curado Len
Sharpe, III Henry D.
Bausch & Lomb Professional Dental Products, Inc.
Hindenburg Max
Lacyk John P.
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