Methods for detecting failure states in a medicine delivery device
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G08B-021/00
A61K-009/22
출원번호
US-0542954
(2009-08-18)
등록번호
US-8547239
(2013-10-01)
발명자
/ 주소
Peatfield, Greg
Gravesen, Peter
출원인 / 주소
CeQur SA
대리인 / 주소
Goodwin Procter LLP
인용정보
피인용 횟수 :
3인용 특허 :
74
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 independently setting a flow rate of a fluid medicament contained therein; andan indicator unit, adapted to be detachably coupled to the patient attachment unit, for monitoring a param
1. A system for monitoring a fluid medicament delivery device, the system comprising: a patient attachment unit for independently setting a flow rate of a fluid medicament contained therein; andan indicator unit, adapted to be detachably coupled to the patient attachment unit, for monitoring a parameter of interest of the fluid medicament, the indicator unit comprising: a sensing module for receiving a signal from a sensor located in the patient attachment unit, the signal indicating at least one of a pressure and a flow rate of the fluid medicament;a status determination module for determining a status of the fluid medicament delivery device based at least in part on the received signal; anda notification module for notifying a patient of the status,wherein the indicator unit is not adapted to change the flow rate of the patient attachment unit. 2. The system of claim 1, wherein the patient attachment unit is adapted to be attached to a skin surface of the patient. 3. The system of claim 1, wherein the sensing module comprises a MEMS sensor. 4. The system of claim 1, further comprising an initialization module for performing a system initialization test. 5. The system of claim 4, wherein the system initialization test comprises a battery status test. 6. The system of claim 5, wherein the notification module notifies the patient based on a result of the battery status test. 7. The system of claim 5, wherein a result of the battery status test is based at least in part on at least one of a volume of the fluid medicament and an amount of time. 8. The system of claim 1, wherein the status comprises a fault condition based at least in part on a volume of the fluid medicament, a pressure of the fluid medicament, a flow rate of the fluid medicament, a hardware fault, and an amount of time. 9. The system of claim 8, wherein the fault condition comprises at least one of an out-of-fluid condition and a time limit condition. 10. The system of claim 1, wherein the status comprises a system-OK condition. 11. The system of claim 1, wherein the status comprises at least one of an occlusion condition and a low-reservoir volume condition. 12. The system of claim 1, wherein the patient attachment unit comprises a variable-volume chamber and a fluid is at least partially contained therein. 13. The system of claim 1, wherein the variable-volume chamber unit comprises a flexible member and wherein a movement of the flexible member is sensed by the sensing module. 14. The system of claim 1, wherein the notification module further comprises an alarm. 15. The system of claim 14, wherein the alarm comprises at least one of an audible alarm, a visual alarm, and a tactile alarm. 16. A method for monitoring a fluid medicament delivery device comprising a patient attachment unit and an indicator unit adapted to be detachably coupled to the patient attachment unit, the method comprising: independently setting a flow rate of a fluid medicament with a patient attachment unit comprising a reservoir for receiving the fluid medicament therein;sensing, during a sensing mode, at least one of a pressure and a flow rate of the fluid medicament with a sensor located in a separate indicator unit lacking components for changing the flow rate;determining a status of the fluid medicament delivery device based at least in part on a result of at least one of the pressure and the flow rate; andnotifying the patient of the status. 17. The method of claim 16, wherein the patient attachment unit is adapted to be attached to a skin surface of the patient. 18. The method of claim 16, further comprising initiating the sensing mode upon receipt of an interrupt request. 19. The method of claim 18, wherein the interrupt request is triggered by an expiration of a sample timer. 20. The method of claim 18, wherein the interrupt request is triggered by an actuation of a button. 21. The method of claim 16, further comprising sensing an ambient air pressure. 22. The method of claim 21, further comprising comparing the ambient air pressure to the fluid pressure. 23. The method of claim 16, further comprising storing forensic data in a nonvolatile memory. 24. The method of claim 16, further comprising conducting a system initialization test. 25. The method of claim 24, wherein the system initialization test comprises a battery power test. 26. The method of claim 25, further comprising notifying the patient in the event of low battery power. 27. The method of claim 24, wherein conducting the system initialization test comprises detecting a hardware fault. 28. The method of claim 16, wherein notifying the patient comprises sending a discreet notification followed by an overt notification. 29. The method of claim 28, further comprising cancelling the overt notification based at least in part on a request from the patient. 30. The method of claim 16, wherein notifying the patient comprises sending an audible notification comprising at least two tones.
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이 특허에 인용된 특허 (74)
Fischell Robert E. (Silver Spring MD), Apparatus for detecting a condition of a medication infusion system and providing an informational signal in response th.
Wojcicki Jan (Warsaw) Lilpop Boguslaw (Pruszhow) Ziembicki Marek (Warsaw) Bielawski Stanislaw (Warsaw PLX), Device for monitoring the operation of a delivery system and the method of use thereof.
Mahoney, Derek Dwayne; Garibotto, John T.; O'Mara, Kerry Dennis; Gregory, Christopher Carter; Margicin, John Michael; Flaherty, J. Christopher, Dispenser for patient infusion device.
Flaherty, J. Christopher; Gregory, Christopher C.; McBridge, Sterling Eduard; Moroney, III, Richard Morgan, Flow condition sensor assembly for patient infusion device.
Balding Alan S. (Oxfordshire GB2) Carter Nigel F. (Oxfordshire GB2) Frampton Paul F. (Oxfordshire GB2) Rosso Vincent A. (Oxfordshire GB2), Infusion apparatus.
Groshong Leroy E. (Portland OR) Groshong Judson C. (Beaverton OR) Brawn ; deceased R. James (late of Portland OR by Stanley C. Fisher ; administrator), Infusion pump.
Moberg, Sheldon B.; Causey, III, James D.; Bare, Rex O.; Scherer, Andrew J.; Sargent, Bradley J., Methods, apparatuses, and uses for infusion pump fluid pressure and force detection.
Rogers, Charles R.; Merritt, Donald R.; Schmidt, Craig L.; Jain, Mukul, System and method for monitoring power source longevity of an implantable medical device.
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