Drop counting system

Details Drop counting system Drop counting system

1991-01-18

1992-10-06

Huppert, Michael S.

Dispensing

Processes of dispensing

222 14, 222 59, 222422, 377 6, 377 21, 604246, 604253, G01F 1100

Patent

active

051524244

ABSTRACT:
An electronic apparatus for counting and recording a number of drops of fluid. The preferred embodiment of the invention is configured as a molded receptacle housing for receiving a commercially available eyedrop bottle in which the cap has been replaced by the housing. The invention includes a detection device that detects the separation of drops from a fluid supply bottle, and counts and records the number of such drops in a preset time period. Optionally, a real-time clock time stamps the stream of drop count data so that the absolute time period during which drops are released is also ascertained and recorded. Optionally, a reminder signal or indication is given to a patient as to the dosage and appropriate time for each eyedrop administration, or an alarm is given if over or under medication is occurring. An alternative application is disclosed in which the drop detection and counting features of the invention are used in a feedback loop to control the flow of fluid in a drop metering system.

REFERENCES:
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patent: 4321461 (1982-03-01), Walter, Jr. et al.
patent: 4432761 (1984-02-01), Dawe
patent: 4436223 (1984-03-01), Wilson
patent: 4469840 (1984-09-01), Figler et al.
patent: 4635281 (1987-01-01), Jones
patent: 4736871 (1988-04-01), Luciani et al.
patent: 4934564 (1990-06-01), Piatt
patent: 5012496 (1991-04-01), Weinreb et al.

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