[특허]Pulmonary function tester

[미국특허] Pulmonary function tester 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-005/087
출원번호	US-0780496 (1991-10-22)
발명자 / 주소	Riker Douglas M. (Brookline MA)
출원인 / 주소	Sherwood Medical Company (St. Louis MO 02)
인용정보	피인용 횟수 : 46 인용 특허 : 0

초록 ▼

An improved pulmonary function tester provides for dynamic calibration during patient testing of various modes such as Forced Vital Capacity (FVC), Resting Ventilation (RV), Negative Inspiratory Force (NIF) and Maximum Voluntary Ventilation (MVV). The improved tester senses the ambient atmospheric pressure prior to and after sensing the pressure created by a patient\s pulmonary function. The pressure created by a patient\s pulmonary function is calibrated in view of the difference between the ambient atmospheric pressure sensed prior to and after sensing the pressure created by a patient\s pulmonary function. In the preferred embodiment, during testing in the modes, when the airflow from a patient\s pulmonary tract is detected to be below a selected value indicating minimal or substantially no airflow, a pressure transducer which is used to detect mouthpiece airflow is vented to the ambient atmosphere, and data representing the output of the pressure transducer are taken and stored for calibration of later readings during testing.

대표청구항 ▼

A pulmonary function tester for measurement of a patient\s pulmonary function comprising: a) means for sensing ambient atmospheric pressure; b) means for sensing the pressure created by a patient\s pulmonary function after said means for sensing ambient atmospheric pressure has sensed ambient atmospheric pressure; c) means for sensing ambient atmospheric pressure after said means for sensing the pressure created by a patient\s pulmonary function has sensed the pressure created by a patient\s pulmonary function; and, d) means for calibrating the pressure sensed by said means for sensing the pressure created by a patient\s pulmonary function in view of a difference between the pressure sensed by said means for sensing ambient pressure prior to sensing the pressure created by a patient\s pulmonary function and the pressure sensed by said means for sensing ambient atmospheric pressure after sensing the pressure created by a patient\s pulmonary function.

이 특허를 인용한 특허 (46) 인용/피인용 타임라인 분석

Michael Berthon-Jones AU; Steven Paul Farrugia AU, Administration of CPAP treatment pressure in presence of APNEA.
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Berthon-Jones, Michael; Farrugia, Steven Paul, Administration of CPAP treatment pressure in presence of apnea.
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Berthon-Jones, Michael; Farrugia, Steven Paul, Administration of CPAP treatment pressure in presence of apnea.
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Barton John Kenyon GB; Dion Charles Chewe Martin AU, Apparatus for supplying breathable gas.
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Berthon-Jones, Michael, Assisted ventilation to match patient respiratory need.
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Berthon-Jones, Michael, Assisted ventilation to match patient respiratory need.
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Surjadi Hary Soesanto,AUX ; Finn Shane Darren,AUX ; Colla Gregory Alan,AUX, Auto-calibration of pressure transducer offset.
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Surjadi, Hary Soesanto; Finn, Shane Darren; Colla, Gregory Alan, Auto-calibration of pressure transducer offset.
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Jones ; Jr. William C. ; Jones Scott E., Casing and spirometer for metered dose inhaler.
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Calluaud Michel,AUX, Control of delivery pressure in CPAP treatment or assisted respiration.
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Berthon-Jones Michael,AUX, Determination of leak and respiratory airflow.
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Berthon-Jones Michael,AUX, Determination of leak and respiratory airflow.
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Berthon-Jones Michael,AUX, Determination of patency of airway.
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Berthon Jones,Michael, Determination of patency of the airway.
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Berthon-Jones, Michael, Determination of patency of the airway.
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Berthon-Jones Michael,AUX, Determination of the occurrence of an apnea.
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Warwick Warren J. ; Hansen Leland G., Device and method for measuring a spirogram.
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Dov Larom FR, Device and method for measuring lung performance.
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Berthon-Jones, Michael, Distinguishing between closed and open airway apneas and treating patients accordingly.
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Berthon-Jones, Michael, Distinguishing between closed and open airway apneas and treating patients accordingly.
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Berthon-Jones, Michael, Distinguishing between closed and open airway apneas and treating patients accordingly.
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Farrugia Steven Paul,AUX ; Finn Shane Darren,AUX, Flow estimation and compensation of flow-induced pressure swings in CPAP treatment and assisted respiration.
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Brydon John William Ernest,AUX ; Willson Grant,AUX, Inspiratory duration in CPAP or assisted respiration treatment.
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Berthon Jones,Michael, Method and apparatus for determining instantaneous inspired volume of a subject during ventilatory assistance.
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Berthon-Jones, Michael, Method and apparatus for determining instantaneous leak during ventilatory assistance.
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Berthon-Jones, Michael, Method and apparatus for providing ventilatory assistance.
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Berthon-Jones, Michael, Method and apparatus for providing ventilatory assistance.
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Berthon-Jones, Michael, Method and apparatus for providing ventilatory assistance.
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Sullivan, Colin Edward; Lynch, Christopher, Method and apparatus useful in the diagnosis of obstructive sleep apnea of a patient.
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Sullivan,Colin Edward; Lynch,Christopher, Method and apparatus useful in the diagnosis of obstructive sleep apnea of a patient.
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Sullivan,Colin Edward; Lynch,Christopher, Method and apparatus useful in the diagnosis of obstructive sleep apnea of a patient.
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Berthon-Jones, Michael, Methods and apparatus for determining instantaneous elastic recoil and assistance pressure during ventilatory support.
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Brydon John William Ernest,AUX ; Piccione Patrick Michael, Monitoring of oro-nasal respiration.
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Colla Gregory Alan,AUX ; Brydon John William Ernest,AUX, Monitoring the occurrence of apneic and hypopneic arousals.
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Gregory Alan Colla AU; John William Ernest Brydon AU, Monitoring the occurrence of apneic and hypopneic arousals.
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Cardona Burrull, Francisco, Mouthpiece for carrying out respiratory medical test.
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Eric W. Starr ; Michael T. Kane ; Eugene N. Scarberry, Patient monitor and method of using same.
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Starr, Eric W.; Kane, Michael T.; Scarberry, Eugene N., Patient monitor and method of using same.
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Starr, Eric W.; Kane, Michael T.; Scarberry, Eugene N., Patient monitor and method of using same.
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Maharaj Prashant Desmond,AUX ; Butler Donald Lewis,AUX, Personal pulmonary function analyzers.
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Brawner,David; Hegarty,Christopher, Portable electronic spirometer.
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Brydon John William Ernest,AUX ; Wickham Peter John Deacon,AUX ; Bachak Miroslav,AUX ; Hollis Shane Douglas,AUX, Pressure control in CPAP treatment or assisted respiration.
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Brydon, John William Ernest; Wickham, Peter John Deacon; Bachak, Miroslav; Hollis, Shane Douglas, Pressure control in CPAP treatment or assisted respiration.
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Calluaud Michel,AUX ; Yerbury Victor,AUX, Substance delivery apparatus.
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Abramson, Michael T., System and method for alleviating sleep apnea.
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Abramson, Michael T., System and method for alleviating sleep apnea.
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A	생활필수품
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Pulmonary function tester 원문보기