Communications: electrical – Systems – Call station
Patent
1981-03-18
1984-05-01
Curtis, Marshall M.
Communications: electrical
Systems
Call station
340700, 340525, 434263, 235383, 433 25, G09G 300
Patent
active
044464533
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The invention relates to a method for the registration and evaluation of dental findings as well as to an apparatus for the implementation of the method.
In order to control the mouth hygiene during a systematic periodontal treatment a repeated exact registration of dental findings of possibly existing dental film (plaque) is absolutely essential. To achieve this, a visual determination and a manually drawn-up registration of the plaque findings, as practised up to now, no longer satisfy the requirements for a consistent periodontal treatment moreover, the diagnosis practised so far is comparatively inefficient and time-consuming, and a possible record of the findings does not comprise the desirable informative effect, especially not for the patient, and offers only little motivating incentive for further dental care.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide a method that, on the one hand, can be implemented with little expense in time and personnel and that is, on the other hand, suited to better explain the findings to the patient and motivate him at the same time to carry out an effective dental care.
These and other objects are accomplished in accordance with the invention in which a method is provided for the registration and evaluation of dental findings corresponding to dental examination points. The method is carried out with an evaluation apparatus including a marking apparatus having spatial allocations corresponding to each examination point and a marking element associated with each spatial allocation. The method includes the steps of examining the points, one after the other, in a predetermined order to obtain respective dental findings; entering the finding corresponding to each examination point into the evaluation apparatus; and marking the finding of each examination point in the corresponding spatial allocation on the marking apparatus by use of the marking element.
The method proposed allows for the implementation of recording examination findings with lower expenditure in personnel and time and offers, above all, the possibility to illustrate in an impressive manner the record of the findings to the patient. The optical markings may be achieved either by electric lamps, one of which is allocated to each examination point and is lit up when the finding is positive and/or by a graphic representation.
It is advantageous to give the ratio of the number of the positive findings to the number of examination positions and to let the quotient thus reached appear on a display tableau as a so-called index (e.g. plaque index) in terms of percentage. The dentist, as well as the patient, are thereby in a position to observe the success of a periodontal treatment by means of the index.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a schematic view of an apparatus for implementing the method according to the invention.
FIG. 2 is a registration carrier for the apparatus of FIG. 1.
FIG. 3 is a circuit diagram for power supply for the apparatus of FIG. 1.
FIG. 4 is a circuit diagram for switching amplifier for the apparatus of FIG. 1.
FIG. 5 is a circuit diagram for a pulse generator for the apparatus of FIG. 1.
FIGS. 6A and 6B illustrate a circuit schematic of a counter unit together with controlling amplifiers for the apparatus of FIG. 1.
FIG. 7 shows a schematic view of a display tableau according to an improved version of the invention.
FIG. 8 illustrates a sensor head according to a further aspect of the invention.
FIG. 9 is a circuit diagram for an AF amplifier for a sensor head according to FIG. 8.
FIG. 10 is a circuit diagram for a display driver for a tableau according to FIG. 7.
FIG. 11 is a circuit diagram for a further embodiment of a display driver.
FIG. 12 is a block diagram for an improvement of the invention with a storage means and a printer.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
The arrangement shown in FIG. 1 consists of a registration apparatus 10 as well as a double foot switch 20 and a calculator 17,
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patent: 4184175 (1980-01-01), Mullane, Jr.
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patent: 4345132 (1982-08-01), Takase et al.
von T. Oguma, Ein Neues Elektronisches Evolventen-Prufgerat, ("A New Electronic Involute Monitor"), 1972, pp. 445-446.
Eenboom Algund
Muller Edzard
Curtis Marshall M.
Fried. Krupp GmbH
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