[특허]Respiratory monitoring with differential pressure transducer

Respiratory monitoring with differential pressure transducer 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-005/08 A61B-005/087 A61B-005/091 A61M-016/06 A61M-016/00
출원번호	US-0613988 (2006-12-20)
등록번호	US-9259542 (2016-02-16)
발명자 / 주소	Acker, Jaron Matthew Tham, Robert Quin Yew Bilek, Kristopher John Tzanetakis, Andreas
출원인 / 주소	General Electric Company
대리인 / 주소	Andrus Intellectual Property Law, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 52

초록 ▼

A differential pressure transducer determines pressure differentials between respiratory airflows and ambient airflows. Another determines pressure differentials between respiratory airflows and interface airflows. And another determines pressure differentials between i) respiratory airflows received from a subject and ii) interface airflows received from an area near a cannula. Corresponding respiratory monitoring methods also determine the same.

대표청구항 ▼

1. A respiratory monitoring apparatus for use with a patient, comprising: a respiratory lumen coupled to a cannula in use by the patient, wherein the respiratory lumen receives a respiratory airflow from the patient or to the patient;an interface lumen having an inlet end positioned in an area near the cannula, wherein the interface lumen receives an interface airflow from the area near the cannula directed either from the patient or to the patient, anda differential pressure transducer coupled to both the respiratory lumen and the interface lumen to detect pressure differentials between the respiratory airflow and the interface airflow. 2. The apparatus of claim 1, wherein said area is sealed from airflows external from said area. 3. The apparatus of claim 2, wherein said area comprises a mask, hood, or helmet. 4. The apparatus of claim 1, wherein said differential pressure transducer is configured to receive said respiratory airflows from a nose of said subject. 5. The apparatus of claim 1, wherein said differential pressure transducer is configured to receive said respiratory airflows from a mouth of said subject. 6. The apparatus of claim 1, wherein said differential pressure transducer is configured to receive said respiratory airflows from is nose of said subject and a mouth of said subject. 7. The apparatus of claim 1, wherein said differential pressure transducer is configured to receive said interface airflows in direct connection through said cannula. 8. The apparatus of claim 1, wherein said differential pressure transducer is configured to receive said interface airflows in open connection with said area. 9. The apparatus of claim 1 further comprising a ventilator in communication with the differential pressure transducer, wherein the ventilator identifies a respiratory event or a non-respiratory event based on the pressure differentials from the differential pressure transducer. 10. The apparatus of claim 9, wherein said ventilator is configured to respond to said pressure differentials. 11. The apparatus of claim 9, wherein said ventilator is configured to effectuate a change in a breathing circuit of said subject in response to said pressure differentials. 12. The apparatus of claim 9 wherein the ventilator is coupled to the respiratory lumen and the interface lumen, wherein the ventilator identifies a non-respiratory event if the pressure differentials between the respiratory airflow and the interface airflow remain unchanged. 13. A method of respiratory monitoring, comprising: positioning a cannula on the patient, the cannula including a respiratory lumen that receives a respiratory airflow from the patient or to the patient and an interface lumen that receives an interface airflow from an area near the cannula;coupling the respiratory lumen and the interface lumen to a differential pressure transducer which is coupled to a ventilator;determining a pressure differential with the differential pressure transducer between the respiratory airflow and the interface airflow; andidentifying a respiratory event or a non-respiratory event in the ventilator based upon the pressure differentials from the differential pressure transducer. 14. The method of claim 13, wherein said cannula is configured to receive said respiratory airflows from a nose of said subject. 15. The method of claim 13, wherein said cannula is configured to receive said respiratory airflows from a mouth of said subject. 16. The method of claim 13, wherein said cannula is configure to receive said respiratory airflows from a nose of said subject and a mouth of said subject. 17. The method of claim 13, wherein said cannula is configured to receive said interface airflows. 18. The method of claim 17, wherein said cannula is configured to receive said interface airflows in direct connection through said cannula. 19. The method of claim 13, wherein said ventilator is configured to respond to said pressure differentials. 20. The method of claim 13 wherein the ventilator determines a respiratory event or a non-respiratory event based upon the respiratory airflow and the interface airflow.

이 특허에 인용된 특허 (52)

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