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-0635248
(2017-06-28)
등록번호
US-10226588
(2019-03-12)
발명자
/ 주소
Peatfield, Gregory H.
Gravesen, Peter
출원인 / 주소
CEQUR SA
대리인 / 주소
Eversheds Sutherland (US) LLP
인용정보
피인용 횟수 :
0인용 특허 :
111
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 comprising a pressure sensor chamber disposed along a basal flow path, wherein the pressure sensor chamber comprises a sensor membrane; andan indicator unit configured to be detachably cou
1. A system for monitoring a fluid medicament delivery device, the system comprising: a patient attachment unit comprising a pressure sensor chamber disposed along a basal flow path, wherein the pressure sensor chamber comprises a sensor membrane; andan indicator unit configured to be detachably coupled to the patient attachment unit, wherein the indicator unit comprises a pressure sensor in communication with the pressure sensor chamber, wherein the indicator unit comprises a well in which the pressure sensor is disposed, and wherein the well is filled with a gel to form a meniscus. 2. The system of claim 1, wherein the well comprises a raised lip. 3. The system of claim 2, wherein the raised lip is configured to abut a mounting platform of the patient attachment unit. 4. The system of claim 1, wherein the meniscus and the sensor membrane abut each other. 5. The system of claim 4, wherein deflections in the sensor membrane are configured to apply pressure to the meniscus of the gel, which transmits the pressure to the pressure sensor. 6. The system of claim 1, further comprising an ambient air channel formed between the patient attachment unit and the indicator unit. 7. The system of claim 6, further comprising a flexible pressure equalizing membrane disposed in the patient attachment unit, wherein the flexible pressure equalizing membrane is in communication with the ambient air channel. 8. The system of claim 6, further comprising a second pressure sensor disposed within the indicator unit. 9. The system of claim 8, wherein the indicator unit further comprises a second well in which the second pressure sensor is disposed. 10. The system of claim 9, wherein the second well is filled with a gel to form a meniscus, which is in communication with the ambient air channel. 11. A system for monitoring a fluid medicament delivery device, the system comprising: a patient attachment unit comprising a mounting platform and a pressure sensor chamber disposed along a basal flow path, wherein the pressure sensor chamber comprises a sensor membrane; andan indicator unit configured to be detachably coupled to the patient attachment unit, wherein the indicator unit comprises a pressure sensor disposed in a well having a raised lip, wherein the well is filled with a gel to form a meniscus, and wherein the pressure sensor is in communication with the pressure sensor chamber,wherein the raised lip is configured to abut the mounting platform to form an ambient air channel between the patient attachment unit and the indicator unit. 12. The system of claim 11, wherein the meniscus and the sensor membrane abut each other. 13. The system of claim 12, wherein deflections in the sensor membrane are configured to apply pressure to the meniscus of the gel, which transmits the pressure to the pressure sensor. 14. The system of claim 11, further comprising a flexible pressure equalizing membrane disposed in the patient attachment unit, wherein the flexible pressure equalizing membrane is in communication with the ambient air channel. 15. The system of claim 11, further comprising a second pressure sensor disposed within the indicator unit. 16. The system of claim 15, wherein the indicator unit further comprises a second well in which the second pressure sensor is disposed, wherein the second well is filled with a gel to form a meniscus that is in communication with the ambient air channel. 17. A method for monitoring a fluid medicament delivery device, the method comprising: providing a patient attachment unit comprising a pressure sensor chamber disposed along a basal flow path;providing an indicator unit configured to be detachably coupled to the patient attachment unit, wherein the indicator unit comprises a pressure sensor in communication with the pressure sensor chamber, wherein the indicator unit comprises a well in which the pressure sensor is disposed, and wherein the well is filled with a gel to form a meniscus; anddetermining a pressure condition in the basal flow path. 18. A system for monitoring a fluid medicament delivery device, the system comprising: a patient attachment unit comprising a pressure sensor chamber disposed along a basal flow path, wherein the pressure sensor chamber comprises a sensor membrane; andan indicator unit configured to be detachably coupled to the patient attachment unit, wherein the indicator unit comprises a pressure sensor in communication with the pressure sensor chamber;an ambient air channel formed between the patient attachment unit and the indicator unit;a second pressure sensor disposed within the indicator unit, wherein the indicator unit comprises a second well in which the second pressure sensor is disposed.
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이 특허에 인용된 특허 (111)
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