[특허]Systems and methods to address air, leaks and occlusions in an insulin pump system

Systems and methods to address air, leaks and occlusions in an insulin pump system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-005/168 A61M-005/142 A61M-005/145 G01M-003/26 A61M-005/36
출원번호	US-0107490 (2013-12-16)
등록번호	US-9119917 (2015-09-01)
발명자 / 주소	Blomquist, Michael
출원인 / 주소	Tandem Diabetes Care, Inc.
대리인 / 주소	Patterson Thuente Pedersen, P.A.
인용정보	피인용 횟수 : 0 인용 특허 : 69

초록 ▼

A system and method for adjusting insulin infusion volume based on air in an infusion set tube includes inputting at least one location and length of an air bubble along the infusion set tube. An air bubble volume is determined in the infusion set tube. An insulin infusion volume is determined based on a desired insulin infusion. A determination is then made whether the desired insulin infusion would include the air bubble volume based on the inputted location and length of the air bubble. The air bubble volume is added to the insulin infusion volume to make an adjusted insulin infusion volume if the insulin infusion volume includes the air bubble.

대표청구항 ▼

1. An ambulatory insulin pump, comprising: a replaceable insulin cartridge, the insulin cartridge adapted for connection to an infusion set for delivering insulin within the insulin cartridge to a patient;a pump mechanism adapted to cooperate with the insulin cartridge to deliver insulin from the insulin cartridge;a pressure sensor adapted to be in communication with an internal environment of the insulin cartridge; anda controller adapted to operate the pump mechanism to deliver insulin from the insulin cartridge to the patient through the infusion set, the controller further adapted to: obtain from the pressure sensor a pressure value of the pressure in the internal environment of the insulin cartridge;compare the pressure value to another pressure value, wherein the another pressure value is a pressure value of the pressure in the internal environment of the insulin cartridge previously obtained from the pressure sensor; andselectively issue an occlusion alert if the comparison indicates that an occlusion may be present in the infusion set. 2. The ambulatory insulin pump of claim 1, wherein the pressure value is obtained with the pressure sensor after the controller operates the pump mechanism to deliver insulin. 3. The ambulatory insulin pump of claim 2, wherein the pressure value is obtained following linear movement of a portion of the pump mechanism causing insulin to be delivered. 4. The ambulatory insulin pump of claim 1, wherein the occlusion alert includes an instruction to the patient to check the infusion set for an occlusion. 5. The ambulatory insulin pump of claim 1, wherein the occlusion alert is issued if the pressure value is greater than the another pressure value. 6. The ambulatory insulin pump of claim 5, wherein the occlusion alert is only issued if more than one obtained pressure value is greater than the another pressure value. 7. The ambulatory insulin pump of claim 1, wherein the controller is adapted to obtain multiple pressure values of the pressure in the internal environment of the insulin cartridge from the pressure sensor at different times and the occlusion alert is selectively issued based on a comparison relating to the multiple pressure values. 8. The ambulatory insulin pump of claim 1, wherein the controller is further adapted to resume delivery of insulin with the pump mechanism after receiving an indication that an occlusion has been cleared. 9. An ambulatory insulin pump, comprising: a replaceable insulin cartridge, the insulin cartridge adapted for connection to an infusion set for delivering insulin within the insulin cartridge to a patient;a pump mechanism adapted to cooperate with the insulin cartridge to deliver insulin from the insulin cartridge;a pressure sensor adapted to be in communication with an internal environment of the insulin cartridge;a pressure detection module adapted to obtain from the pressure sensor a pressure value of the pressure in the internal environment of the insulin cartridge;a comparison module adapted to compare the pressure value obtained by the pressure detection module to another pressure value, wherein the another pressure value is a pressure value of the pressure in the internal environment of the insulin cartridge previously obtained from the pressure sensor; andan alert module adapted to selectively issue an occlusion alert to the patient if the comparison indicates that an occlusion may be present in the infusion set. 10. The ambulatory insulin pump of claim 9, wherein the pressure value is obtained by the pressure detection module after the pump mechanism is operated to deliver insulin. 11. The ambulatory insulin pump of claim 10, wherein the pressure value is obtained following linear movement of a portion of the pump mechanism causing insulin to be delivered. 12. The ambulatory infusion pump of claim 9, wherein the occlusion alert includes an instruction to the patient to check the infusion set for an occlusion. 13. The ambulatory infusion pump of claim 9, wherein the occlusion alert is issued if the pressure value is greater than the another pressure value. 14. The ambulatory infusion pump of claim 13, wherein the occlusion alert is only issued if more than one obtained pressure value is greater than the another pressure value. 15. The ambulatory infusion pump of claim 9, wherein the pressure detection module is adapted to obtain multiple pressure values of the pressure in the internal environment of the insulin cartridge from the pressure sensor at different times and the comparison module performs a comparison relating to the multiple pressure values. 16. An ambulatory infusion pump device, comprising: a replaceable medicament cartridge, the medicament cartridge adapted for connection to an infusion set for delivering medicament within the medicament cartridge to a patient;a pump mechanism adapted to cooperate with the medicament cartridge to deliver medicament from the medicament cartridge;a pressure sensor adapted to be in communication with an internal environment of the medicament cartridge; anda controller adapted to operate the pump mechanism to deliver medicament from the medicament cartridge to the patient through the infusion set, the controller further adapted to: obtain from the pressure sensor a pressure value of the pressure in the internal environment of the medicament cartridge;compare the pressure value to another pressure value, wherein the another pressure value is a pressure value of the pressure in the internal environment of the medicament cartridge previously obtained from the pressure sensor; andselectively issue an occlusion alert if the comparison indicates that an occlusion may be present in the infusion set. 17. The ambulatory infusion pump device of claim 16, wherein the pressure value is obtained with the pressure sensor after the controller operates the pump mechanism to deliver medicament via linear movement of a portion of the pump mechanism.

이 특허에 인용된 특허 (69)

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A62	인명구조; 소방(사다리 E06C)
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연합인증

Systems and methods to address air, leaks and occlusions in an insulin pump system 원문보기

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Systems and methods to address air, leaks and occlusions in an insulin pump system 원문보기

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