DE69333268D1 - Schaltkreis zur Erkennung der Ein/Ausatemphase eines Atemzykluses - Google Patents

Schaltkreis zur Erkennung der Ein/Ausatemphase eines Atemzykluses

Info

Publication number
DE69333268D1
DE69333268D1 DE69333268T DE69333268T DE69333268D1 DE 69333268 D1 DE69333268 D1 DE 69333268D1 DE 69333268 T DE69333268 T DE 69333268T DE 69333268 T DE69333268 T DE 69333268T DE 69333268 D1 DE69333268 D1 DE 69333268D1
Authority
DE
Germany
Prior art keywords
inhalation
detecting
circuit
breathing cycle
exhalation phase
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69333268T
Other languages
English (en)
Other versions
DE69333268T2 (de
Inventor
Steven L Phillips
Russell L Holscher
Christopher D Lasnier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Puritan Bennett Corp
Original Assignee
Puritan Bennett Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Puritan Bennett Corp filed Critical Puritan Bennett Corp
Application granted granted Critical
Publication of DE69333268D1 publication Critical patent/DE69333268D1/de
Publication of DE69333268T2 publication Critical patent/DE69333268T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes operated by electrical means
    • A61M16/022—Control means therefor
    • A61M16/024—Control means therefor including calculation means, e.g. using a processor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0666—Nasal cannulas or tubing
    • A61M16/0672—Nasal cannula assemblies for oxygen therapy
    • A61M16/0677—Gas-saving devices therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • A61M16/201—Controlled valves
    • A61M16/202—Controlled valves electrically actuated
    • A61M16/203—Proportional
    • A61M16/204—Proportional used for inhalation control
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • A61M16/201—Controlled valves
    • A61M16/202—Controlled valves electrically actuated
    • A61M16/203—Proportional
    • A61M16/205—Proportional used for exhalation control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/08—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding
    • H03K5/082—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold
    • H03K5/086—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold generated by feedback
    • H03K5/088—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold generated by feedback modified by switching, e.g. by a periodic signal or by a signal in synchronism with the transitions of the output signal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/0015—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors
    • A61M2016/0018—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors electrical
    • A61M2016/0021—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors electrical with a proportional output signal, e.g. from a thermistor
DE69333268T 1993-01-12 1993-12-27 Schaltkreis zur Erkennung der Ein/Ausatmungsphase eines Atemzyklusses Expired - Lifetime DE69333268T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3129 1993-01-12
US08/003,129 US5438980A (en) 1993-01-12 1993-01-12 Inhalation/exhalation respiratory phase detection circuit

Publications (2)

Publication Number Publication Date
DE69333268D1 true DE69333268D1 (de) 2003-12-04
DE69333268T2 DE69333268T2 (de) 2004-08-12

Family

ID=21704309

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69333268T Expired - Lifetime DE69333268T2 (de) 1993-01-12 1993-12-27 Schaltkreis zur Erkennung der Ein/Ausatmungsphase eines Atemzyklusses
DE0606687T Pending DE606687T1 (de) 1993-01-12 1993-12-27 Schaltkreis zur Erkennung der Ein/Ausatemphase eines Atemzykluses.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE0606687T Pending DE606687T1 (de) 1993-01-12 1993-12-27 Schaltkreis zur Erkennung der Ein/Ausatemphase eines Atemzykluses.

Country Status (6)

Country Link
US (2) US5438980A (de)
EP (1) EP0606687B1 (de)
JP (1) JP3682986B2 (de)
AU (1) AU669237B2 (de)
CA (1) CA2112884C (de)
DE (2) DE69333268T2 (de)

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DE69333268T2 (de) 2004-08-12
CA2112884C (en) 1999-01-12
CA2112884A1 (en) 1994-07-13
US5630411A (en) 1997-05-20
EP0606687A3 (de) 1994-10-19
JPH0747126A (ja) 1995-02-21
AU669237B2 (en) 1996-05-30
US5438980A (en) 1995-08-08
AU5262893A (en) 1994-07-21
EP0606687B1 (de) 2003-10-29
JP3682986B2 (ja) 2005-08-17
EP0606687A2 (de) 1994-07-20

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