Apparatus for recording reagent test strip data by comparison to color lights on a reference panel

• US 5,182,707 A
• Filed: 07/23/1990
• Issued: 01/26/1993
• Est. Priority Date: 07/23/1990
• Status: Expired due to Term

• Current Assignee: Matria Healthcare Incorporated (Lagardère SCA)
• Original Assignee: Healthdyne, Inc. (Abbott Laboratories Incorporated)
• Inventors: Macha, Emil S., Smith, Ross E., Cooper, Tommy G.
• Primary Examiner(s): Weinhardt, Robert
• Assistant Examiner(s): Bodendorf, Andrew
• Application Number:
  US07/558,062
• Time in Patent Office: 918 Days
• Field of Search: 364/413.02, 364/413.11, 422/55, 422/56, 422/57, 422/58, 422/61, 422/68.1, 422/82.05, 435/7.1, 435/287-89, 435/291
• US Class Current: 422/404
• CPC Class Codes: G06F 15/025 adapted to a specific application

Abstract

An apparatus for recording analysis of a reagent test strip having a plurality of color blocks for testing different constituents of a fluid, comprises a reference panel having a plurality of visually distinguishable and calibrated color areas or spots, a plurality of first lights for designating the testing of a different constituent or parameter, a plurality of second lights each located adjacent a different color spot, a cavity or space adjacent groups of color spots, detection optical detector for detecting the presence of the reagent strip positioned in the space, and a microcomputer for recording and storing test results and having means for directing sequential testing of the different parameters and for turning the lights on and off during the sequential testing. The apparatus includes switches for signaling the microcomputer to record and store the test data and for turning the apparatus on and off. The invention includes a process for operating the apparatus.

Claims

1. Apparatus for recording the analysis of a reagent strip having a plurality of color blocks for testing a plurality of different parameters, said apparatus comprising

a panel member including a color chart area comprising a plurality of color groups corresponding to different color blocks of a developed reagent strip, and including two or more set of a plurality of visually distinguishable color spots, each set for testing one of said plurality of different parameters;

a plurality of first lights each for signaling the testing of one of said plurality of different parameters;

a plurality of second lights each located adjacent a different one of said color spots; and

a space adjacent each group of said color spots for positioning said reagent strip and detection means cooperating therewith for detecting said reagent strip in said space;

a microcomputer having means for recording test results for each of said plurality of different parameters, means for directing sequential testing of said plurality of different parameters, and light energizing means for turning said lights on and off during said sequential testing; and

means for recording and storing selected color spots.

2. Apparatus of claim 1 wherein each of said color groups comprises a row of said color spots.

3. Apparatus of claim 2 wherein each of said color spots in a color group is for testing a different parameter.

4. Apparatus of claim 1 wherein each of said sets of color spots is for testing a different one of said different parameters.

5. Apparatus of claim 4 wherein said color chart area comprises two or more rows of said color spots and wherein each different color spot of each of said sets of color spots is located in a different row.

6. Apparatus of claim 5 having a said space and cooperating detection means adjacent to each of said different rows.

7. Apparatus of claim 6 wherein the color spots of each of said sets are aligned generally axially, respectively.

8. Apparatus of claim 7 wherein each of said first lights is aligned axially with the set of color spots for testing one of said different parameters.

9. Apparatus of claim 1 wherein said detection means comprises an optical detector exposed in said space.

10. Apparatus of claim 1 including switching means for turning said apparatus on and for enabling said microcomputer to start said testing.

11. Apparatus of claim 10 including a third light cooperating with said switching means for visually indicating start and termination of said testing.

12. Apparatus of claim 10 including means cooperating with said switching means for delaying said start of the testing for a preselected time delay period after turning the apparatus on.

13. Apparatus of claim 12 including a third light cooperating with said switching means and means for energizing said third light to signal during the preselected time delay period.

14. Apparatus of claim 13 including means for sequentially energizing said first lights for signaling a user to conduct successive tests for said plurality of different parameters.

15. Apparatus of claim 14 including means for energizing a first one of said first lights following said preselected time delay period.

16. Apparatus of claim 14 including means for turning said third light off following the preselected time delay, and for energizing a first one of said first lights when said third light is turned off.

17. Apparatus of claim 16 wherein the color spots of each respective set are aligned substantially axially relative to one of said first lights.

18. Apparatus of claim 16 including means for energizing one of said first lights for signaling said strip in one of said spaces.

19. Apparatus of claim 18 including means for energizing one of said second lights adjacent to a color spot axially aligned with a signaling first light in response to said reagent strip positioned in said space adjacent said color spot.

20. Apparatus of claim 19 wherein said means for recording and storing selected color spots comprises said switching means and said microcomputer.

21. Apparatus of claim 20 including means for signaling completion of testing of all of said different parameters.

22. Apparatus of claim 21 wherein said means for signaling completion of testing comprises said third light.

23. Apparatus of claim 22 including a readout device cooperating with said microcomputer having visual display means for observing results of said testing.

24. Apparatus of claim 22 including a modem cooperating with said microcomputer for transmitting results of said testing and a remote readout device in communication therewith for receiving signals from said modem and having means for visually displaying said results.

25. Apparatus of claim 22 including timer means cooperating with said switching means and said microcomputer for storing data of said selected color spots and turning said apparatus off in response to activation of said switching means for a preselected length of time.

26. Apparatus of claim 1 including a removable panel cover having said color chart imprinted thereon and having a plurality of ports therein for exposing said first and second lights and said spaces.

27. Apparatus of claim 1 including means for sequentially energizing said first lights for signaling a user for successive testing of said different parameters.

28. Apparatus of claim 1 including means for energizing a second light in response to said detection means detecting said reagent strip in said space.

29. Apparatus of claim 1 wherein said microcomputer includes means for energizing one of said second lights for signaling the detection of said strip in a space adjacent to a color spot different than the previous sequentially selected color spot.

30. Apparatus of claim 1 wherein adjacent color spots of each of said sets have a different visually detectable color intensity.

31. Apparatus of claim 1 including a readout device cooperating with said microcomputer having visual display means for observing results of said testing.

32. Apparatus of claim 1 including a printing device cooperating with said microcomputer having means for printing results of said testing.

33. Apparatus of claim 1 including a modem cooperating with said microcomputer for transmitting results of said testing and a remote readout device in communication therewith for receiving signals from said modem and having means for visually displaying said results.

34. Apparatus of claim 1 including means for turning said apparatus off in response to actuation of said switching means for a preselected length of time.

35. Apparatus for testing and recording test results of a reagent test strip having a set of color blocks thereon, each color block for designating a different test parameter, said apparatus comprising:

a reference panel having two or more groups of color spots, each group corresponding to the set of color blocks on said test strip;

a plurality of first signaling means each for designating a different test parameter;

a plurality of second signaling means, each for designating a different color spot;

microcomputer means for sequentially testing said different test parameters and operating said first signaling means sequentially during said testing; and

switching means cooperating with said microcomputer means for recording test results for each of said different test parameters.

36. Apparatus of claim 35 including means for detecting a test strip positioned adjacent to said reference panel.

37. Apparatus of claim 36 including a space adjacent each of said group of color spots for positioning said test strip and wherein said detection means detects said test strip in said space.

38. Process for operating an apparatus of claim 37 comprising exposing said reagent test strip to a composition to be tested, visually comparing the color blocks on said test strip with the color spots on said reference panel, sequentially positioning said test strip in an area adjacent a group of color spots having a color spot most closely approximating the color of a color block of the different test parameters, and sequentially activating said switching means to record the test results of each of said test parameters.

39. Process for operating an apparatus, for testing and recording test results of a reagent test strip having a set of color blocks thereon, each color block for designating a different test parameter, and having a reference panel having two or more groups of color spots, each group corresponding to the set of color blocks on said test strip;

a plurality of first signaling means each for designating a different test parameter;

a plurality of second signaling means, each for designating a different color spot;

microcomputer means for sequentially testing said different test parameters and operating said first signaling means sequentially during said testing; and

switching means cooperating with said microcomputer means for recording test results for each of said different test parameters,

said process comprising exposing said reagent test strip to a composition to be tested, visually comparing the color of color blocks thereon with the color spots on said reference panel, and sequentially actuating said switching means for recording the test results for each of said different parameters.

40. A process for testing and recording the test results of a reagent strip having a plurality color blocks thereon, each color block for testing a different parameter of a material, utilizing an apparatus for recording the analysis of a reagent strip having a plurality of color blocks for testing a plurality of different parameters, said apparatus having a panel member including a color chart area comprising a plurality of color groups corresponding to different color blocks of a developed reagent strip, and including two or more sets of a plurality of visually distinguishable color spots, each set for testing one of said plurality of different parameters;

a plurality of first lights each for signaling the testing of one or said plurality of different parameters;

a plurality of second lights each located adjacent a different one of said color spots; and

a space adjacent each group of said color spots for positioning said reagent strip and detection means cooperating therewith for detecting said reagent strip in said space;

a microcomputer having means for recording test results for each of said plurality of different parameters, means for directing sequential testing of said plurality of different parameters, light energizing means for turning said lights on and off during said sequential testing; and

switching means for turning said apparatus on and for enabling said microcomputer to start said testing;

said process comprising;

exposing said testing strip to said material, and actuating said switching means;

visually comparing a first color block with said color spots and positioning said test strip in a space adjacent the color spot having a color intensity visually closest to said first color block color and actuating said switching means;

visually comparing a second color block with said color spots and positioning said test strip in a space adjacent the color spot having a color intensity visually closest to said second color block and actuating said switching means; and

sequentially comparing the color of any remaining color blocks with said color spots, respectively, positioning said test strip in a space adjacent the color spot having a color intensity visually closest to a compared remaining color block, and actuating said switching means, respectively.

41. A reagent strip comparator apparatus, comprising:

a plurality of visual discriminators arranged in a matrix wherein each column of said discriminators defines a parameter and each row of said discriminators defines a condition dependent upon a selected parameter, optical detection means for detecting said reagent strip adjacent to a row of said discriminators, and feedback means responsive to said optical detecting means for signalling the parameter to test.

42. A reagent strip recording apparatus for sequentially testing and recording selected color areas of said reagent strip having an arrangement of visually detectable color areas on said reagent strip, said apparatus comprising a reference panel having a plurality of color spots corresponding to said color areas signalling means for designating sequential testing of said color areas, and switching means and microcomputer means cooperating therewith for recording selected color spots.

43. Apparatus of claim 42 wherein said color spots are arranged in groups corresponding to the arrangement of said color areas.

44. Apparatus of claim 43 including means for signaling sequential recording of selected color spots.