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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0685358 (2012-11-26) |
등록번호 | US-9474842 (2016-10-25) |
발명자 / 주소 |
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출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 635 |
A method of performing peritoneal dialysis is provided. The method involves sensing a pressure in a fluid upstream or downstream of a pump chamber and adjusting a planned peritoneal dialysis treatment based on the sensed pressure to avoid an alarm condition. An intra-peritoneal pressure may be sense
A method of performing peritoneal dialysis is provided. The method involves sensing a pressure in a fluid upstream or downstream of a pump chamber and adjusting a planned peritoneal dialysis treatment based on the sensed pressure to avoid an alarm condition. An intra-peritoneal pressure may be sensed and may be related to a head height of a peritoneal dialysis patient relative to a pump actuation. The fill volume to the peritoneal dialysis patient may also be limited due to the sensed pressure.
1. A method of performing peritoneal dialysis comprising: locating a pressure sensor at a conduit upstream or downstream from a dialysis fluid compartment of one of a first or second pump chamber and at a common diaphragm shared with at least one of the first or second pump chambers;actuating the fi
1. A method of performing peritoneal dialysis comprising: locating a pressure sensor at a conduit upstream or downstream from a dialysis fluid compartment of one of a first or second pump chamber and at a common diaphragm shared with at least one of the first or second pump chambers;actuating the first pump chamber and the second pump chamber;sensing a pressure of a peritoneal dialysis fluid in the conduit upstream or downstream from the dialysis fluid compartment of the one of the first or second pump chambers using the pressure sensor;adjusting a planned peritoneal dialysis treatment based on the sensed pressure to avoid an alarm condition; andperforming the adjusted peritoneal dialysis treatment. 2. The method of claim 1, which includes sensing the pressure through the common diaphragm at the conduit. 3. The method of claim 1, which includes sensing a second pressure of the peritoneal dialysis fluid in a second conduit upstream or downstream from a second dialysis fluid compartment of the other of the first and second pump chambers using a second pressure sensor located at the second conduit. 4. The method of claim 3, wherein sensing the second pressure includes sensing the peritoneal dialysis fluid flowing in the second conduit through a wall of the conduit. 5. The method of claim 1, which includes actuating at least one of the first or second pump chambers in two directions. 6. The method of claim 1, wherein sensing the pressure includes sensing an intra-peritoneal pressure (“IPP”). 7. The method of claim 6, which includes relating the IPP to a head height of the patient relative to the pump actuation. 8. The method of claim 1, wherein the adjusting includes limiting a fill volume to the patient. 9. The method of claim 1, wherein the adjusting includes adjusting a planned patient dwell cycle. 10. A method of performing peritoneal dialysis using a first pump chamber and a second pump chamber, the method comprising: locating a first pressure sensor at a first conduit so as to be able to sense intraperitoneal pressure;locating a second pressure sensor at a second conduit so as to be able to sense intraperitoneal pressure;operating the first pump chamber and the second pump chamber;sensing the intraperitoneal pressure using the first pressure sensor while fluid is pumped through the second conduit;sensing the intraperitoneal pressure using the second pressure sensor while fluid is pumped through the first conduit; andadjusting a planned peritoneal dialysis treatment based on at least one of the first or second sensed pressures to avoid an alarm condition. 11. The method of claim 10, wherein operating at least one of the first and second pump chambers includes flexing a diaphragm. 12. The method of claim 10, wherein operating the first and second pump chambers includes sequencing at least one valve associated with at least one of the first and second pump chambers. 13. The method of claim 10, which includes operating at least one of the first and second pump chambers in two directions. 14. The method of claim 10, which includes causing peritoneal dialysis fluid in the first conduit to flow to a patient and peritoneal dialysis fluid in the second conduit to flow from the patient. 15. The method of claim 10, wherein the alarm condition occurs when the intraperitoneal pressure exceeds a pressure limit. 16. The method of claim 10, wherein at least one of the first and second pressures is measured through a wall of the respective first and second conduit. 17. The method of claim 10, wherein the adjusting includes adjusting a planned patient dwell cycle. 18. The method of claim 10, wherein the adjusting includes interrupting a patient fill cycle when an overfill alarm condition is sensed. 19. A method of performing peritoneal dialysis comprising: providing a dialysis fluid cassette with a diaphragm operated pump chamber;applying a positive and a negative pressure to the diaphragm operated pump chamber;sensing a pressure in a peritoneal dialysis fluid entering or leaving a dialysis fluid compartment of the diaphragm operated pump chamber through a diaphragm shared with the diaphragm operated pump chamber by contacting the diaphragm with a pressure sensor; andadjusting a planned peritoneal dialysis treatment based on the sensed pressure to ensure that a pressure of the peritoneal dialysis fluid inside a patient does not exceed a pressure limit. 20. The method of claim 19, wherein adjusting the planned peritoneal dialysis treatment includes limiting a fill volume to the patient. 21. The method of claim 19, further comprising allowing the pump chamber to pump the peritoneal dialysis fluid to the patient until the pressure limit is reached. 22. The method of claim 19, further comprising relating the pressure of the peritoneal dialysis fluid inside the patient to a head height of the patient relative to the pump chamber. 23. The method of claim 19, wherein sensing the pressure includes sensing the pressure multiple times over a fill phase of the peritoneal dialysis treatment. 24. The method of claim 19, wherein the adjusting includes adjusting a planned patient dwell cycle.
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