Programmable automatic pill dispenser with pawl indexing mechanism

• US 5,915,589 A
• Filed: 10/01/1996
• Issued: 06/29/1999
• Est. Priority Date: 10/01/1996
• Status: Expired due to Fees

• Current Assignee: James Lim
• Original Assignee: James Lim
• Inventors: Lim, James
• Primary Examiner(s): NOLAND, KENNETH W
• Application Number:
  US08/720,749
• Time in Patent Office: 1,001 Days
• Field of Search: 221/2, 221/3, 221/7, 221/15, 221/13, 221/9, 221/82, 221/86, 221/120, 221/133, 221/30, 364/479.14, 364/479.01, 364/479.03
• US Class Current: 221/3
• CPC Class Codes: A61J 7/0481 working on a schedule basis

Abstract

A device that can be loaded with appropriate pills and programmed to automatically dispense the proper amount(s) and proper type(s) of pill(s) at the proper time(s) each day. The device also includes a system for alerting the pill taker that pills have been dispensed and need to be taken, a system for providing voice messages to coach the pill taker to use the device and consume the pills, a system for alerting an off-site caregiver when the pill taker has not responded as required or when there is a problem with the operation of the device, and a system for the efficient and accurate loading of pills into the device. Major components of the device include a pill storage wheel (100), a cabinet (102), a pill release gate (110), a pill loading indicator template (118), a programmable timer (130), a power spring (134), an index wheel (138), a double ended pawl assembly (144), a solenoid assembly (146), a battery (500), an one shot timing and solenoid driving circuit (504), a blinking LED and buzzer driver circuit (506), a voice message record and playback system (514), and an automatic telehone dialer system (510).

Claims

1. A method of automatically dispensing a preselected pill and alerting a user to take said preselected pill at a preset time, comprising:

(a) providing a programmable timer,

(b) programming said programmable timer to transmit a signal at said preset time,

(c) providing a series of moveable pill storage compartments and an outlet, each compartment of said series being able to receive at least one pill and discharge said pill by gravity into said outlet when said compartment moves into registration with said outlet,

(d) loading a compartment of said series with said preselected pill to provide a loaded compartment,

(e) providing an actuation means for automatically moving said loaded compartment into registration with said outlet in response to said signal from said programmable timer, said actuation means including an intermittent action actuator, an index wheel, and a pawl mechanism for effecting the registration of said loaded compartment with said outlet, and

(f) providing an alarm to alert said user to take the pill that is discharged, said alarm being activated when said loaded compartment moves into registration with said outlet.

2. The method of claim 1 wherein said intermittent action actuator comprises an electric-powered, linear-motion, intermittent-action actuator.

3. The method of claim 1, further including providing a pill-loading indicator system to facilitate said loading when said loading involves a plurality of preset times, a plurality of preselected pills, and different predetermined amounts of pills.

4. The method of claim 3 wherein said providing a pill-loading indicator system comprises:

(a) establishing a series of indicants sufficient in quantity to provide a different indicant for each preset time of said plurality of preset times,

(b) associating each preset time of said series in sequential order with a corresponding indicant from said series of indicants,

(c) assigning the moveable pill storage compartment of said series that most recently moved into registration with said outlet with an indicant from said series, said indicant being associated with the most recently transpired preset time of said series,

(d) serially assigning the remaining moveable pill-storage compartments of said series with corresponding indicants from said series of indicants,

(e) providing a pill-supply container which contains each preselected pill of said pluality,

(f) labeling said pill-supply container to provide a labeled container having a label for each preset time when the respective predetermined amount of pills of said pill supply container will be dispensed, said label displaying the indicant associated with said preset time and a numeral equivalent to said predetermined amount of pills to be dispensed at said preset time, and

(g) loading said series of moveable pill-storage compartments by transferring from each labeled container the number of pills specified on each label of said labeled container to each compartment of said series assigned the indicant similar to the indicant displayed on said each label.

5. The method of claim 1, further including providing a pill-refill indicator to alert a user to refill said series of moveable pill-storage containers with preselected pills.

6. The method of claim 5 wherein said providing a pill-refill indicator comprises:

(a) providing a counting means for detecting a predetermined quantity of loaded compartments of said series which have moved into registration with said outlet and transmitting a signal when said predetermined quantity has been detected,

(b) providing an indicator means for alerting said user to refill said series of moveable pill compartments, said indicator means being activated in response to said signal from said counting means, and

(c) detecting said predetermined quantity of said loaded compartments and transmitting a signal by said counting means to activate said indicator means to alert said user to refill said series of moveable pill-storage compartments with preselected pills.

7. The method of claim 1, further including providing a control for said user to govern the discharge of a pill from said outlet.

8. The method of claim 7 wherein said providing a control comprises:

(a) providing a gate means associated with said outlet for preventing the discharge of a pill through said outlet until said gate means is actuated,

(b) providing an alert means for alerting said user to actuate said gate means, said alert means replacing said alarm, and

(c) actuating said gate means by said user in response to said alert means to allow the discharge of said pill.

9. The method of claim 8, further including providing at least one voice message to inform said user to take said preselected pill.

10. The method of claim 9 wherein said providing at least one voice message comprises:

(a) providing a voice message record and playback system,

(b) recording a voice message to inform said user to take said preselected pill on said voice message record and playback system,

(c) providing a circuit means for automatically activating said voice message record and playback system to play the recorded voice message when said user actuates said gate means in response to said alert means, and

(d) automatically activating said voice message record and playback system to play said recorded voice message when said user actuates said gate means in response to said alert means.

11. The method of claim 8, further including providing a remote alert when said user does not actuate said gate means within a predetermined duration after said alert means is activated.

12. The method of claim 11 wherein said remote alert is provided by:

(a) providing an automatic telephone dialer system,

(b) programming said automatic telephone dialer system with a telephone number of a person other said said user who will be available to respond to an alert voice message from said automatic telephone dialer system,

(c) recording said alert voice message on said automatic telephone dialer system,

(d) providing a circuit means for automatically activating said automatic telephone dialer system when said predetermined duration expires and said user did not actuate said gate means, and

(e) automatically activating said automatic telephone dialer system to dial the telephone number of said person and play the recorded alert voice message when said predetermined duration expires and said gate means was not actuated.

13. The method of claim 8, further including alerting a person when said user actuates said gate means but does not take the preselected pill that is discharged.

14. The method of claim 13 wherein said alerting said person is provided by:

(a) providing a removable pill receptacle at said outlet to receive the preselected pill that is discharged,

(b) providing a sensing means for detecting the removal of said removable pill receptacle,

(c) providing a circuit means for automatically activating said automatic telephone dialer system when said sensing means does not detect the removal of said removable pill receptacle within a predetermined time interval after said gate means has been actuated by said user in response to said alert means, and

(d) automatically activating said automatic telephone dialer system to dial the telephone number of said person and play the recorded alert voice message to said person answering the telephone when said sensing means does not detect the removal of said removable pill receptacle within said predetermined time interval.

15. The method of claim 14, further including providing at least one voice message to coach said user to replace said removable pill receptacle after taking the dispensed pills from said removable pill receptacle.

16. The method of claim 15 wherein said providing at least one voice message comprises:

(a) providing a system for recording and playing back said voice message,

(b) recording said voice message which instructs said user to replace said removable pill receptacle after taking the dispensed pills on said system,

(c) providing a detecting means for detecting the replacement of said removable pill receptacle,

(d) providing a circuit means for automatically activating said system to playback said voice message when said sensing means detects the removal of said removable pill receptacle, the playing of said voice message continuing for a preset duration unless said playing is interrupted before the expiration of said preset duration by said detecting means detecting the replacement of said removable pill receptacle, and

(e) automatically activating said system to playback said voice message to instruct said user to replace said removable pill receptacle when said sensing means detects the removal of said removable pill receptacle.

17. The method of claim 16, further including providing an off-site alert when said removable pill receptacle is not replaced within said preset duration.

18. The method of claim 17 wherein said providing an off-site alert comprises:

(a) providing a circuit means for automatically activating said automatic telephone dialer system when said preset duration expires and said detecting means does not detect the replacement of said removable pill receptacle, and

(b) automatically activating said automatic telephone dialer system to dial the telephone number of said person and play the recorded alert voice message to said person answering the telephone when said user does not replace said removable pill receptacle and said detecting means does not detect the replacement of said removable pill receptacle within said preset duration.

19. A method of dispensing a plurality of preselected pills in predetermined amounts over a series of preset times, comprising the steps of:

(a) providing a pill dispenser with a series of pill-storage compartments to correspond with said series of preset times, each pill-storage compartment being able to receive a plurality of pills to be dispensed and dispense said pills at said series of preset times, respectively,

(b) establishing a series of indicants sufficient in quantity to provide a different indicant for each preset time of said series of preset times,

(c) associating each preset time of said series in sequential order with a corresponding indicant from said series of indicants,

(d) assigning each pill-storage compartment of said series with the corresponding indicant from said series,

(e) providing a pill-supply container which contains a supply of each preselected pill of said pluality,

(f) labeling said pill-supply container to provide a labeled container with a label for each preset time when the respective predetermined amount of pills of said pill-supply container will be dispensed, said label displaying the indicant associated with said preset time and a numeral equivalent to said predetermined amount of pills to be dispensed at said preset time,

(g) loading said series of pill-storage compartments by transferring from each labeled container the number of pills specified on each label of said labeled container to each compartment of said series assigned the indicant similar to the indicant displayed on said each label, and

(h) dispensing at each preset time of said series the contents of the corresponding pill-storage compartment of said series.

20. The method of claim 19 wherein said series of indicants comprises a series of different colors.

21. The method of claim 19 wherein said series of indicants comprises a series of different graphic symbols.

22. A programmable automatic pill dispenser, comprising:

(a) a cabinet having a rotatable pill-storage wheel and a pill outlet,

(b) said rotatable pill-storage wheel having a series of pill-storage compartments disposed concentrically about the center axis of said pill-storage wheel,

(c) each pill-storage compartment of said series arranged to receive at least one pill and discharge said pill by gravity via said pill outlet,

(d) said pill outlet positioned to discharge said pill by gravity from said pill-storage compartment when said pill-storage compartment moves into registration with said pill outlet,

(e) an actuation means for rotating incrementally said pill-storage wheel to move a loaded pill-storage compartment proximal to said pill outlet into registration with said pill outlet when said actuation means is activated, said actuation means comprising an index wheel, an intermittent action actuator, and a pawl mechanism, and

(f) a programmable timing means for programming preset times for dispensing preselected pills and enabling the activation of said actuation means at each programmed preset time.

23. The dispenser of claim 22, further including a refill indicator device for detecting and warning when to refill said compartments of said pill-storage wheel with preselected pills, said refill indicator device comprising:

(a) a detecting means for detecting when a predetermined quantity of said compartments have moved into registration with said pill outlet and transmitting a signal when this occurs, and

(b) an indicator means for alerting a user of the need to refill said compartments when said detecting means transmits said signal.

24. The dispenser of claim 22, further including a pill-loading indicator system means for facilitating accurate loading of pills into said series of pill-storage compartments by associating said each programmed preset time in sequential order with a corresponding indicant from an established series of indicants and identifying the preselected pills to be dispensed at said each programmed preset time and respective pill-storage compartments of said series to be loaded with said preselected pills with the corresponding indicant, said pill-loading indicator system means comprising:

(a) a plurality of labels each displaying the corresponding indicant from said series to represent the programmed preset time and displaying a numeral to represent the quantity of a pill type to be dispensed at said programmed preset time for respectively labeling one or more supply containers, each containing one type of pill, and

(b) a pill-loading indicator template displaying one or more said corresponding indicants from said series for association with said respective pill-storage compartments.

25. The dispenser of claim 22, further including a pill-release gate associated with said pill outlet for keeping the pill in said loaded pill-storage compartment that has moved into registration with said pill outlet until a user of said dispenser actuates said pill-release gate to discharge said pill by gravity through said pill outlet.

26. The dispenser of claim 24, further including a signal means for alerting said user to actuate said pill-release gate to discharge said pill, said signal means being activated for a predetermined time interval or until said user actuates said pill-release gate before the expiration of said predetermined time interval.

27. The dispenser of claim 26, further including a voice message means for providing information to said user to consume the dispensed pills, said voice message means comprising a voice message record and playback system with a recorded voice message providing said information and said system being activated to playback said recorded voice message for a predetermined time interval when said user actuates said pill release gate in response to said signal means.

28. The dispenser of claim 26, further including a voice message means for providing information to the user on using the dispenser and on consuming the dispensed pills, said voice message means comprising a playback only voice message system having a recording providing said information and said system being activated to playback said recording for a predetermined time interval when said user actuates said pill-release gate in response to said signal means.

29. The dispenser of claim 26, further including a remote alert means for alerting a person other than said user that said user has not responded to said signal means by actuating said pill-release gate before the expiration of said predetermined time interval, and said remote alert means including an automatic telephone dialer system capable of automatically dialing a programmed telephone number to reach said person and playback a recorded alert voice message for said person.

30. The dispenser of claim 29, further including a remote alert device for alerting said person when said user actuates said pill-release gate device in response to the alert from said signal means, but does not take the discharged pill within a predetermined time interval.

31. The dispenser of claim 30 wherein said remote alert device comprises:

(a) a removable pill receptacle associated with said pill outlet,

(b) a sensing means for detecting the removal of said removable pill receptacle, and

(c) a circuit means for automatically activating said automatic telephone dialer system when said sensing means does not detect the removal of said removable pill receptacle within said predetermined time interval after said pill-release gate has been actuated by said user in response to said signal means, whereby providing a telephonic alert voice message to said person when said user did remove said removable pill receptacle to take the dispensed pills.

32. The dispenser of claim 22 wherein said intermittent action actuator comprises an electric-powered linear motion intermittent action actuator.

33. The dispenser of claim 22 wherein said actuation means further comprises:

(a) said index wheel associating with said pill storage wheel,

(b) said index wheel having circumferential teeth angularly displaced in correspondence with said pill storage compartments of said pill storage wheel,

(c) an articulated pawl mechanism engaging said index wheel, said intermittent action actuator being arranged to actuate said articulated pawl mechanism when said actuation means is activated, and

(d) a detent mechanism means for arresting rotation of said index wheel so that a pill storage compartment of said pill storage wheel remains in registration with said outlet means when said articulated pawl mechanism is not being actuated.

34. The dispenser of claim 22 wherein said actuation means further comprises:

(a) a spring assembly means for applying rotational torque to said index wheel,

(b) said index wheel associating with said pill storage wheel,

(c) said index wheel having circumferential teeth angularly displaced in correspondence with said pill storage compartments of said pill storage wheel, and

(d) a double-ended pawl mechanism engaging said index wheel so that a pill storage compartment of said pill storage wheel remains in registration with said pill outlet when said double ended pawl is not being actuated, said intermittent action actuator actuating said double-ended pawl mechanism when said actuation means is activated.