[특허]Apnea monitoring system

[미국특허] Apnea monitoring system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-005/04 A61B-005/05 A61B-005/08
출원번호	US-0660458 (1984-10-12)
발명자 / 주소	Birnbaum Michael R. (St. Louis Park MN) Stasz Peter (Minneapolis MN)
출원인 / 주소	Aequitron Medical, Inc. (Minneapolis MN 02)
인용정보	피인용 횟수 : 67 인용 특허 : 6

초록 ▼

Apparatus for monitoring respiration and heartbeat and for processing electrical signals representative thereof, including circuits for developing a phase-shifted and amplitude-offset respiration signal for comparison with an original respiration signal for compensating for signal drift, and circuits for logically combining signals representative of the presence of respiration and heartbeat for eliminating certain false indications which may occur when only heartbeat exists.

대표청구항 ▼

An apparatus for monitoring patient respiration and heartbeat, comprising (a) sensor means adapted for coupling to said patient for sensing composite electrical signals representative of said patient heartbeat and respiration; (b) oscillator means for generating a carrier frequency, coupled to said sensor means; (c) detector means for receiving and detecting said heartbeat and respiration signals, coupled to said sensor means and said oscillator means; (d) heartbeat detection circuit, coupled to said detector means, said heartbeat detection circuit having means for developing a first single signal responsive to each detected heartbeat; including a first circuit for generating a detected heartbeat signal and for rectifying said signal, a second circuit for receiving said rectified signal and generating a time-decaying signal therefrom, said time-decaying signal having a greater time duration than said detected heartbeat signal, and a circuit means for receiving said time-decaying signal and generating an intergrated pulse signal therefrom, and a comparator circuit means for receiving said time-decaying signal and said integrated pulse signal and generating said first single signal when said time-decaying signal is greater than said integrated pulse signal; (e) respiration detection circuit, coupled to said detector means, said respiration detection circuit having means for developing a second single signal responsive to each detected respiration; including a first integrator circuit for developing a first integrated respiration signal and a second integrator circuit for developing a second integrated respiration signal time delayed relative to said first integrated respiration signal, and a circuit for receiving said first and second integrated respiration signals and for developing said second single signal when said first integrated respiration signal is greater than said second integrated respiration signal; and (f) heartbeat alarm circuit coupled to receive said first single signal responsive to each detected heartbeat, said heartbeat alarm circuit having means for presetting a minimum and maximum heartbeat rate and having means for developing a received heartbeat rate signal responsive to said first single signals, and having means for generating an alarm when said received heartbeat rate signal falls below said minimum or above said maximum preset heartbeat rate.

이 특허에 인용된 특허 (6) 인용/피인용 타임라인 분석

Aronson Alfred L. (6024 SW. Jean Rd. Lake Oswego OR 97034), Cardiac arrhythmia analysis system.
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Levin Kenneth M. (14 Anchorage Ct. San Rafael CA 94903), Heartbeat occurrence detector.
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Kravath Richard E. (Dobbs Ferry NY), Method and apparatus for detecting respiratory distress.
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Dam Naim G. (Bayside NY) Landau Monroe A. (Kew Gardens NY), Method and apparatus for locating the QRS portion of an electrocardiographic signal.
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Junginger Gerhard (Holzgerlingen DT) Zeeb Helmut (Kirchentellinsfurt DT), Respiration monitor.
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Kearns Kenneth L. (12822 N. 26th Dr. Phoenix AZ 85029), Respiration monitor and x-ray triggering apparatus.
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이 특허를 인용한 특허 (67) 인용/피인용 타임라인 분석

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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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Heinze Roland (Munich DEX) Stangl Karl (Munich DEX), Apparatus and method for impedance measurement of body tissues.
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Marriott Arthur R. (Seattle WA), Apparatus for sensing lead and transthoracic impedances.
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Jay Gregory D., Device and method for measuring pulsus paradoxus.
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Jay Gregory D., Device and method for measuring pulsus paradoxus.
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Griebel Peter (Freiburg DEX), Diagnostic apnea monitor system.
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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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Podhajsky, Ronald J., Imaginary impedance process monitoring and intelligent shut-off.
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Brydon John William Ernest,AUX ; Willson Grant,AUX, Inspiratory duration in CPAP or assisted respiration treatment.
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Lattner, Stefanie; Starr, Eric W.; Scarberry, Eugene N.; Mechlenburg, Douglas M., Intraoral electromuscular stimulating device and method.
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Lattner Stefanie ; Starr Eric W. ; Scarberry Eugene N. ; Mechlenburg Douglas M., Intraoral electromuscular stimulation device and method.
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Lattner, Stefanie; Starr, Eric W; Scarberry, Eugene N; Mechlenburg, Douglas M, Intraoral electromuscular stimulation device and method.
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Bowman Bruce R. (Eden Prairie MN), Medical monitor.
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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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Rapport, David M.; Norman, Robert G., Method and apparatus for optimizing controlled positive airway pressure using the detection of cardiogenic oscillations.
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Marriott Arthur R. (Seattle WA), Method and apparatus for sensing lead and transthoracic impedances.
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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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Meer Jeffrey A. (7380 St. Auburn Dr. Birmingham MI 48010), Method and system for treatment of sleep apnea.
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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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Salem Robert J. (New Milford CT) Holley George H. (South Norwalk CT), Portable belt monitor of physiological functions and sensors therefor.
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Zhang, Xusheng; Gillberg, Jeffrey M., System and method for deriving respiration from intracardiac electrograms (EGM) or ECG signals.
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[미국특허] Apnea monitoring system 원문보기

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이 특허에 인용된 특허 (6) 인용/피인용 타임라인 분석

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[미국특허] Apnea monitoring system 원문보기

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이 특허에 인용된 특허 (6) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (67) 인용/피인용 타임라인 분석

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