Methods for detecting failure states in a medicine delivery device
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G08B-021/00
A61M-005/50
A61M-005/14
A61M-005/142
A61M-005/168
출원번호
US-0860951
(2015-09-22)
등록번호
US-9694147
(2017-07-04)
발명자
/ 주소
Peatfield, Gregory H.
Gravesen, Peter
출원인 / 주소
CEQUR SA
대리인 / 주소
Eversheds Sutherland (US) LLP
인용정보
피인용 횟수 :
0인용 특허 :
108
초록▼
A fluid medicament delivery device includes a patient attachment unit, containing the fluid medicament, and an indicator unit adapted to be detachably coupled to the patient attachment unit. A method for monitoring the fluid medicament includes independently setting a flow rate of a fluid medicament
A fluid medicament delivery device includes a patient attachment unit, containing the fluid medicament, and an indicator unit adapted to be detachably coupled to the patient attachment unit. A method for monitoring the fluid medicament includes independently setting a flow rate of a fluid medicament with the patient attachment unit. A pressure and/or a flow rate of the fluid medicament is sensed with a sensor located in a separate indicator unit in a sensing mode. A status of the fluid medicament delivery device is determined based at least in part on the pressure and/or the flow rate.
대표청구항▼
1. A system for monitoring a fluid medicament delivery device, the system comprising: a patient attachment unit for delivering a fluid medicament contained therein to a patient; andan indicator unit adapted to be coupled to the patient attachment unit, the indicator unit comprising: a timer adapted
1. A system for monitoring a fluid medicament delivery device, the system comprising: a patient attachment unit for delivering a fluid medicament contained therein to a patient; andan indicator unit adapted to be coupled to the patient attachment unit, the indicator unit comprising: a timer adapted to measure a usage time of the system;a processor in electrical communication with the timer; anda memory in electrical communication with the processor, the memory comprising instructions which program the processor to: receive an input from the patient;in response to the input: compare the usage time of the system to a first threshold operating time that is based on an expected time of use of the system, the expected time of use being based, at least in part, on a fluid storage capacity of the system, anddetermine if the first threshold operating time has elapsed; andprovide the patient with an appropriate response. 2. The system of claim 1, wherein, if the first threshold operating time has elapsed, the appropriate response comprises a warning signal relating to replacement of the patient attachment unit. 3. The system of claim 1, wherein, if the first threshold operating time has not elapsed, the appropriate response comprises at least one of: (i) a normal-operation response, and (ii) no response. 4. The system of claim 1, wherein the instructions further program the processor to: determine if a second threshold operating time has elapsed; andif the second threshold operating time has elapsed, provide the patient with a patient attachment unit replace notification. 5. The system of claim 4, wherein the first threshold operating time is at least about two-thirds as long as the second threshold operating time. 6. The system of claim 4, wherein the instructions further program the processor to determine if the second threshold operating time has elapsed without input received from the patient. 7. The system of claim 4, wherein the replace notification comprises at least one of a greater magnitude, a greater frequency, and a different notification type than the warning signal. 8. The system of claim 4, wherein at least one of the warning signal and the replace notification comprise a notification type selected from the group consisting of a visual alert, an audible alert, and a tactile alert. 9. The system of claim 4, wherein the instructions further program the processor to: determine that at least one subsequent time interval has elapsed since the second operating threshold operating time elapsed; andafter each subsequent time interval has elapsed, provide the patient with a subsequent patient attachment unit replace notification. 10. The system of claim 9, wherein the subsequent time interval comprises no greater than 30 minutes. 11. The system of claim 9, wherein each subsequent patient attachment unit replace notification comprises at least one of a greater magnitude, a greater frequency, and a different notification type than a previous patient attachment unit replace notification. 12. The system of claim 9, wherein the instructions further program the processing unit to: determine if an acknowledgement input has been received from the patient; andif the acknowledgement input has been received, stop providing the patient with the subsequent patient attachment unit replace notification. 13. The system of claim 4, wherein the instructions further program the processor to: determine if a third threshold operating time has elapsed; andif the third threshold operating time has elapsed, provide the patient with an empty notification. 14. The system of claim 13, wherein the empty notification comprises at least one of a greater magnitude, a greater frequency, and a different notification type than the replace notification. 15. The system of claim 13, further comprising: a notification module adapted to provide the patient with at least one of the warning signal, the replace notification, and the empty notification. 16. The system of claim 1, further comprising: an indicator button to receive the input by the patient. 17. A method of operating a fluid medicament delivery device, the method comprising the steps of: measuring a usage time of a system by a non-transitory processor, the system comprising a patient attachment unit for delivering a fluid medicament contained therein to a patient and an indicator unit adapted to be coupled to the patient attachment unit;receiving an input from the patient;in response to the input: comparing the usage time of the system to a first threshold operating time that is based on an expected time of use of the system, the expected time of use being based, at least in part, on a fluid storage capacity of the system, anddetermining if a first threshold operating time has elapsed; andproviding the patient with an appropriate response. 18. The method of claim 17, wherein, if the first threshold operating time has elapsed, the providing step comprises providing the patient with a warning signal relating to replacement of the patient attachment unit. 19. The method of claim 17, wherein, if the first threshold operating time has not elapsed, the providing step comprises providing the patient with at least one of: (i) a normal-operation response, and (ii) no response. 20. The method of claim 17, further comprising: determining if a second threshold operating time has elapsed; andif the second threshold operating time has elapsed, providing the patient with a patient attachment unit replace notification. 21. The method of claim 20, wherein the first operating threshold is at least about two-thirds as long as the second threshold operating time. 22. The method of claim 20, further comprising: determining if the second threshold operating time has elapsed without receiving input from the patient. 23. The method of claim 20, wherein the patient attachment unit replace notification comprises at least one of a greater magnitude, a greater frequency, and a different notification type than the warning signal. 24. The method of claim 20, wherein at least one of the warning signal and the patient attachment unit replace notification comprise a notification type selected from the group consisting of a visual alert, an audible alert, and a tactile alert. 25. The method of claim 20, further comprising: determining that at least one subsequent time interval has elapsed since the second operating threshold operating time elapsed; andafter each subsequent time interval has elapsed, providing the patient with a subsequent patient attachment unit replace notification. 26. The method of claim 25, wherein the subsequent time interval comprises no greater than 30 minutes. 27. The method of claim 25, wherein each subsequent patient attachment unit replace notification comprises at least one of a greater magnitude, a greater frequency, and a different notification type than a previous patient attachment unit replace notification. 28. The method of claim 25, further comprising: determining if an acknowledgement input has been received from the patient; andif the acknowledgement input has been received, stop providing the patient with the subsequent patient attachment unit replace notification. 29. The method of claim 20, further comprising: determining if a third threshold operating time has elapsed; andif the third threshold operating time has elapsed, providing the patient with an empty notification. 30. The method of claim 29, wherein the empty notification comprises at least one of a greater magnitude, a greater frequency, and a different notification type than the patient attachment unit replace notification.
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