CA2354870A1 - Insufflation system, attachment and method - Google Patents

Insufflation system, attachment and method Download PDF

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Publication number
CA2354870A1
CA2354870A1 CA002354870A CA2354870A CA2354870A1 CA 2354870 A1 CA2354870 A1 CA 2354870A1 CA 002354870 A CA002354870 A CA 002354870A CA 2354870 A CA2354870 A CA 2354870A CA 2354870 A1 CA2354870 A1 CA 2354870A1
Authority
CA
Canada
Prior art keywords
flow
patient
insufflation
tube
gas
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.)
Granted
Application number
CA002354870A
Other languages
French (fr)
Other versions
CA2354870C (en
Inventor
Bernie F. Hete
Thomas A. Mccann
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.)
Respironics Inc
Original Assignee
Respironics, Inc.
Bernie F. Hete
Thomas A. Mccann
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 Respironics, Inc., Bernie F. Hete, Thomas A. Mccann filed Critical Respironics, Inc.
Priority to CA2575939A priority Critical patent/CA2575939C/en
Publication of CA2354870A1 publication Critical patent/CA2354870A1/en
Application granted granted Critical
Publication of CA2354870C publication Critical patent/CA2354870C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A61M16/04—Tracheal tubes
    • A61M16/0402—Special features for tracheal tubes not otherwise provided for
    • A61M16/042—Special features for tracheal tubes not otherwise provided for with separate conduits for in-and expiration gas, e.g. for limited dead volume
    • 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
    • A61M16/0009—Accessories therefor, e.g. sensors, vibrators, negative pressure with sub-atmospheric pressure, e.g. during expiration
    • A61M16/0012—Accessories therefor, e.g. sensors, vibrators, negative pressure with sub-atmospheric pressure, e.g. during expiration by Venturi means
    • 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
    • A61M16/04—Tracheal tubes
    • 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
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
    • A61M16/1015—Preparation of respiratory gases or vapours with O2 features or with parameter measurement using a gas flush valve, e.g. oxygen flush valve
    • 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
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
    • A61M16/122—Preparation of respiratory gases or vapours by mixing different gases with dilution
    • A61M16/125—Diluting primary gas with ambient air
    • A61M16/127—Diluting primary gas with ambient air by Venturi effect, i.e. entrainment mixers
    • 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
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
    • A61M16/101—Preparation of respiratory gases or vapours with O2 features or with parameter measurement using an oxygen concentrator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00—Surgery
    • Y10S128/912—Connections and closures for tubes delivering fluids to or from the body

Abstract

This invention is an insufflation system (56) that includes a first tube (62) that inserts into a patient's airway for providing a primary flow of breathing gas to such a patient. At least one insufflation catheter (66) is provided in or within the first tube for delivering a flow of insufflation gas to the patient.
In one embodiment, the flow of insufflation gas is delivered in a first direction generally toward the patient's lungs and in a second direction generally opposite the first direction so that the flow in the second direction creates a negative stagnation pressure that substantially cancels out the positive stagnation pressure generated by flow in the first direction. In a second embodiment, an exhaust vent (70) is provided in the first tube for exhausting a flow of gas from the first tube at a rate that is equivalent to the rate at which the flow of insufflation gas is being delivered to the patient's airway, thereby preventing over-inflation of the patient's respiratory system. A
third embodiment of the present invention involves a combination of the two embodiments discussed above.
CA002354870A 1998-12-22 1999-12-20 Insufflation system, attachment and method Expired - Lifetime CA2354870C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2575939A CA2575939C (en) 1998-12-22 1999-12-20 Insufflation system, attachment and method

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US11322298P 1998-12-22 1998-12-22
US60/113,222 1998-12-22
US13849199P 1999-06-10 1999-06-10
US60/138,491 1999-06-10
US09/453,303 US6102042A (en) 1998-12-22 1999-12-02 Insufflation system, attachment and method
US09/453,303 1999-12-02
PCT/US1999/030461 WO2000037134A1 (en) 1998-12-22 1999-12-20 Insufflation system, attachment and method

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2575939A Division CA2575939C (en) 1998-12-22 1999-12-20 Insufflation system, attachment and method

Publications (2)

Publication Number Publication Date
CA2354870A1 true CA2354870A1 (en) 2000-06-29
CA2354870C CA2354870C (en) 2007-04-24

Family

ID=27381292

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2575939A Expired - Lifetime CA2575939C (en) 1998-12-22 1999-12-20 Insufflation system, attachment and method
CA002354870A Expired - Lifetime CA2354870C (en) 1998-12-22 1999-12-20 Insufflation system, attachment and method

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA2575939A Expired - Lifetime CA2575939C (en) 1998-12-22 1999-12-20 Insufflation system, attachment and method

Country Status (7)

Country Link
US (3) US6102042A (en)
EP (1) EP1140265B1 (en)
JP (1) JP4584455B2 (en)
AU (1) AU758136B2 (en)
CA (2) CA2575939C (en)
DE (1) DE69943396D1 (en)
WO (1) WO2000037134A1 (en)

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Also Published As

Publication number Publication date
EP1140265B1 (en) 2011-04-27
CA2575939C (en) 2013-04-16
EP1140265A1 (en) 2001-10-10
CA2575939A1 (en) 2000-06-29
AU3127100A (en) 2000-07-12
US6439228B1 (en) 2002-08-27
US20020121278A1 (en) 2002-09-05
US6722362B2 (en) 2004-04-20
US6102042A (en) 2000-08-15
EP1140265A4 (en) 2004-03-31
CA2354870C (en) 2007-04-24
DE69943396D1 (en) 2011-06-09
JP4584455B2 (en) 2010-11-24
AU758136B2 (en) 2003-03-13
JP2002532206A (en) 2002-10-02
WO2000037134A1 (en) 2000-06-29

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Effective date: 20191220