Pipette check station

• US 9,858,729 B2
• Filed: 12/31/2015
• Issued: 01/02/2018
• Est. Priority Date: 12/31/2015
• Status: Active Grant

• Current Assignee: Mettler-Toledo Rainin, LLC (Mettler-Toledo International Inc.)
• Original Assignee: Mettler-Toledo Rainin, LLC (Mettler-Toledo International Inc.)
• Inventors: Keller, Gerhard, Hill, Richard, Stanley, Deryl, Petrek, James, Anderson, Murray
• Primary Examiner(s): JOHNSON, SONJI N
• Application Number:
  US14/986,387
• Publication Number:
  US 20170193712A1
• Time in Patent Office: 733 Days
• CPC Class Codes: B01L 2200/148 Specific details about calibrations
• CPC Class Codes: B01L 2300/022 Transponder chips
• CPC Class Codes: B01L 2300/023 Sending and receiving of information, e.g. using bluetooth
• CPC Class Codes: B01L 2300/027 Digital display, e.g. LCD, LED
• CPC Class Codes: B01L 9/54 Supports specially adapted for pipettes and burettes automated pipetting stations G01N35/10
• CPC Class Codes: G06F 16/2477 Temporal data queries
• CPC Class Codes: G06F 16/248 Presentation of query results
• CPC Class Codes: G06K 7/10366 the interrogation device being adapted for miscellaneous applications
• CPC Class Codes: G07C 1/08 wherein the time is indicated by marking an element, e.g. a card or tape, in position determined by the time
• CPC Class Codes: G16H 40/40 for the management of medical equipment or devices, e.g. scheduling maintenance or upgrades

Abstract

A pipette check station for checking the calibration or service status of a pipette includes an RFID reader, a user interface with a display and buttons, and a digital interface to connect the check station to additional equipment; the check station optionally further includes provisions to hold pipettes for storage and to charge electronic pipettes held thereupon.

Claims

1. A pipette check station for reading service and calibration status of at least one item of hand-holdable laboratory equipment having a data storage facility, the pipette check station comprising:

at least one antenna configured to read at least two dates representative of a next service date and a next calibration date from the data storage facility when the item is placed on the check station;

a data processing unit programmed to calculate a first difference between the next service date and a current date and a second difference between the next calibration date and the current date; and

a visual indicator configured to present one of a plurality of status indications based on the smaller of the first difference and the second difference;

wherein the visual indicator presents the status indication when the item is placed on the check station.

2. The pipette check station of claim 1, wherein the item comprises a pipette.

3. The pipette check station of claim 2, wherein the wireless transponder comprises an radio frequency identification (RFID) transponder.

4. The pipette check station of claim 3, wherein the antenna comprises at least one coil capable of energizing a passive RFID transponder and reading information from the RFID transponder.

5. The pipette check station of claim 1, wherein the data storage facility comprises a wireless transponder.

6. The pipette check station of claim 1, wherein the pipette check station comprises a pipette stand.

7. The pipette check station of claim 6, wherein the pipette stand is configured as an electronic pipette charging stand capable of recharging at least one electronic pipette.

8. The pipette check station of claim 6, wherein the pipette stand is configured to hold at least one electronic pipette or at least one manual pipette.

9. The pipette check station of claim 1, further comprising a display screen, and wherein the visual indicator comprises at least one icon presented on the display screen.

10. The pipette check station of claim 1, wherein the visual indicator comprises at least one light emitting diode.

11. The pipette check station of claim 1, wherein the light emitting diode is capable of displaying a plurality of colors corresponding to the plurality of status indications.

12. The pipette check station of claim 1, wherein a first status indication is presented if the smaller of the first difference and the second difference exceeds a first interval and a second status indication is presented if the smaller of the first difference and the second difference is equal to or less than the first interval.

13. The pipette check station of claim 12, wherein a third status indication is presented if the smaller of the first difference and the second difference is less than or equal to a second interval or is negative.

14. The pipette check station of claim 13, wherein at least one of the first interval and the second interval is configurable by a user of the pipette check station.

15. The pipette check station of claim 1, further comprising a data interface.

16. The pipette check station of claim 15, wherein the data interface is configured to transmit the smaller of the first difference and the second difference to a connected device.

17. The pipette check station of claim 16, wherein the check station is programmed to track at least one removal date and time when the item is removed from the check station, and wherein the data interface is configured to transmit the removal date and time to a connected device.

18. The pipette check station of claim 16, wherein the check station is programmed to track at least one placement date and time when the item is placed on the check station, and wherein the data interface is configured to transmit the placement date and time to a connected device.

19. The pipette check station of claim 1, further comprising a network interface.

20. A method for checking service and calibration status of at least one item of hand-holdable laboratory equipment using a check station, the method comprising the steps of:

scanning a position associated with the check station to read a data storage facility of the item of laboratory equipment;

querying at least two dates representative of a next service date and a next calibration date from the data storage facility;

calculating a first difference between the next service date and a current date and a second difference between the next calibration date and the current date; and

presenting a visual service or calibration status indicator on the check station to a user, wherein the visual service or calibration status indicator is representative of the smaller of the first difference and the second difference.

21. The method of claim 20, wherein the visual service or calibration status indicator comprises an icon.

22. The method of claim 20, further comprising the steps of:

determining whether the item of laboratory equipment is an electronic pipette;

if the item is an electronic pipette, querying a battery level from the electronic pipette and presenting a visual battery status indicator to the user.