US3670726A - Breathing circuit - Google Patents
Breathing circuit Download PDFInfo
- Publication number
- US3670726A US3670726A US860319A US3670726DA US3670726A US 3670726 A US3670726 A US 3670726A US 860319 A US860319 A US 860319A US 3670726D A US3670726D A US 3670726DA US 3670726 A US3670726 A US 3670726A
- Authority
- US
- United States
- Prior art keywords
- body member
- breathing circuit
- fitting
- ports
- constructed
- 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
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Images
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
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
-
- 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
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0816—Joints or connectors
- A61M16/0825—Joints or connectors with ball-sockets
-
- 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
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0816—Joints or connectors
- A61M16/0833—T- or Y-type connectors, e.g. Y-piece
-
- 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
- Y10S128/909—Breathing apparatus with means for preventing patient cross-contamination
Definitions
- an object of the present invention is to provide a breathing circuit of the foregoing described type which is so economical that it is disposable.
- Another object is to provide such a breathing circuit which is extremely light in weight and is constructed so that it is more comfortable to the patient.
- a further object is to provide such a breathing circuit which is constructed of plastic resin and is fabricated under high 7 temperature conditions.
- a breathing circuit which comprises a substantially right angle tubular elbow having a first arm for connection to a patients pulmonary system and having a second arm, a hollow body member having a pair of side by side ports and having an end opening, a flexible hose connected to each of the ports, and swivel means connecting the second arm of the elbow to the end opening of the body member so that the hoses are laterally disposed with respect to the patients nose.
- FIG. 1 is a plan view of the breathing circuit in accordance with the present invention.
- FIG. 4 is a plan view of the fitting shown in FIG. 3.
- FIG. 5 is a sectional view taken along the line 5-5 on FIG. 4.
- FIG. 1 a breathing circuit is shown in FIG. 1 which generally comprises a swiveled fitting l0, and a pair of corrugated flexible hoses 11 and 12, each hose having one end connected to the fitting 10 with the other end to be connected to an anesthetic machine or to a pulmonary ventilator.
- the fitting and the hoses are constructed of a translucent inert plastic resin preferably of polypropylene and polyethylene, respectively. These parts by being translucent allow direct observation of excess or purulent secretions and also of condensate level.
- the plastic is non-conductive and, therefore, translucent.
- the plastic is conductive of a black color, in which transluoency is lost.
- the conductive plastic material comprises a carbonized plastic resin which is electrically conductive, being of low and high density polyethylene.
- the non-conductive circuit may be used in connection with inhalational anesthesia.
- the parts are fabricated at such high temperatures that following manufacture they are sterile. During packaging they never become wet and hence any contaminant growth is inhibited. Random sampling of the packaged product has shown percent sterility, that is, negative for bacteria and fungi. However, even if there were occasional contamination this would not be serious because the greatest problem in ventilatory therapy is cross-infection with hospital acquired organisms. Since the breathing circuit in accordance with the present invention is relative inexpensive, it is discarded after one-patient use and thus contributes enormously to eradication of pulmonary cross-infection.
- the fitting 10 (shown in FIGS. 3 to 5) comprises a hollow body member 14 having a closed end 15 and an opening I6 defined by a cylindrical section 17 at its opposite end and having side by side tubular sections 18 and 19 extending outwardly to provide ports for connecting the hoses 11 and 12; a tubular substantially right angle elbow 20 having an arm 21 serving as a port for connection to a patient's endotracheal tube 23 or face mask (not shown) or tracheostomy tube (not shown), that is the patient's pulmonary system, and having an arm 22; and swivel means 24 for connecting the arm 22 to the cylindrical section 17 of the body member 14.
- the swivel means 24 includes an annular recess 25 on the outer surface of the cylindrical secton l7, and spaced apart inner and outer coaxial circular wall sections 26 and 27, respectively, on the arm 22 for receiving the section 17.
- the outer wall 27 has annular bead means 28 on its peripheral edge extending into the recess 25, functioning as a ratchet.
- the swivel means in this manner is constructed and arranged to enable the body member 14 to be turned 360 with respect to the elbow 20 at desired fixed positions.
- FIG. 2 the breathing circuit is shown as applied to a patient with the arm 21 of the elbow 22 connected to an endotracheal tube 23 in situ. It will be observed, that by reason of the manner in which the fitting 10 is constructed, the hose 11 and 12 are laterally disposed with respect to the patient's nose. This, coupled with the extreme light weight of the circuit, about grams, reduces worry about accidental extubation and relieves pressure on the nose and eyes, thereby avoiding such damage as corneal abrasions.
- the present invention provides a highly improved and practical breathing circuit both for inhalational anesthesia and ventilation.
- An inert plastic resinous fitting for use in a breathing circuit comprising a hollow substantially tubular body member having an open cylindrical end and a closed end opposite said open end, said member having first and second ports for connection of-a-hose thereto and having an end opening in fluid flow communication with said ports, said first mentioned opening being in a cylindrical section of said body member, said ports being defined by substantially parallel and side by side tubular sections extending substantially normally outwardly from said body member, a tubular member being a substantially right angle elbow and having a port at said one end for connection to a patients face mask or endotracheal tube and having an opening at its other end in fluid flow communication with said first mentioned opening, swivel means for connecting said members at said openings said swivel means including an annular recess in the outer surface of said cylindrical section, and spaced apart inner and outer coaxial circular wall sections at the opening of said elbows for receiving said cylindrical section of said body member, said outer wall having annular spaced apart bead means on its peripheral edge extending into said recess
Abstract
Description
Claims (5)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86031969A | 1969-09-23 | 1969-09-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3670726A true US3670726A (en) | 1972-06-20 |
Family
ID=25332943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US860319A Expired - Lifetime US3670726A (en) | 1969-09-23 | 1969-09-23 | Breathing circuit |
Country Status (1)
Country | Link |
---|---|
US (1) | US3670726A (en) |
Cited By (63)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3799164A (en) * | 1971-08-12 | 1974-03-26 | Du Pont | Analgesic apparatus |
DE2939794A1 (en) * | 1979-10-01 | 1981-04-16 | Volker O. Prof. Dr.Med. 8012 Ottobrunn Lang | Bronchial secretion trap for medical respirator - has breathing head under plate carrying trap with suction connection and air venting |
WO1981002675A1 (en) * | 1980-03-27 | 1981-10-01 | Sontek Ind | Simultaneous respiration and endotracheal suctioning of critically ill patient |
EP0054714A2 (en) * | 1980-12-20 | 1982-06-30 | Erich Prof. Dr. med. Rügheimer | Connecting system with plug-in connectors for respiratory and anaesthetic devices |
US4676241A (en) * | 1984-01-16 | 1987-06-30 | W.L.G. Technology | Ventilation tube swivel |
US4679827A (en) * | 1984-12-28 | 1987-07-14 | Thomas & Betts Corporation | Raintight and oiltight connector for flexible conduit |
US4967744A (en) * | 1988-11-03 | 1990-11-06 | Airoflex Medical, Inc. | Flexible breathing circuit |
US5333608A (en) * | 1992-09-30 | 1994-08-02 | Sherwood Medical Company | Endotracheal tube for face, chin and neck surgery |
US5431637A (en) * | 1992-07-31 | 1995-07-11 | Sherwood Medical Company | Endotracheal suction catheter |
JP2001079091A (en) * | 1999-08-10 | 2001-03-27 | Fisher & Paykel Ltd | Mouthpiece and apparatus usable for orally supplying air |
EP0979662A3 (en) * | 1998-08-13 | 2001-09-19 | FISHER & PAYKEL LIMITED | System, including a mouthpiece, for delivering pressurized gases to a user |
US6478026B1 (en) | 1999-03-13 | 2002-11-12 | Thomas J. Wood | Nasal ventilation interface |
US6484723B2 (en) * | 1999-02-11 | 2002-11-26 | Eileen Haas | Tracheostomy air filtration system |
US20030089371A1 (en) * | 1998-08-13 | 2003-05-15 | Fisher & Paykel Healthcare Limited | Breathing assistance apparatus |
US20030094177A1 (en) * | 2001-11-20 | 2003-05-22 | Smith Nicholas Charles Alan | Patient interfaces |
US6679257B1 (en) | 1998-08-13 | 2004-01-20 | Fisher & Paykel Limited | Breathing assistance apparatus |
US20040134498A1 (en) * | 2001-10-25 | 2004-07-15 | Roger Strickland | Nasal cannula |
US20040182397A1 (en) * | 2003-03-21 | 2004-09-23 | Innomed Technologies, Inc. | Nasal interface including ventilation insert |
US20050028823A1 (en) * | 2000-03-13 | 2005-02-10 | Wood Thomas J. | Nasal ventilation interface |
US20050028821A1 (en) * | 2003-08-06 | 2005-02-10 | Wood Thomas J. | Nasal interface and system including ventilation insert |
US20050039757A1 (en) * | 1999-03-13 | 2005-02-24 | Wood Thomas J. | Ventilation interface for sleep apnea therapy |
US20050045182A1 (en) * | 2003-08-06 | 2005-03-03 | Wood Thomas J. | Nasal interface and system including ventilation insert |
US20050126574A1 (en) * | 2000-03-13 | 2005-06-16 | Wood Thomas J. | Ventilation interface for sleep apnea therapy |
US20050133040A1 (en) * | 2003-09-10 | 2005-06-23 | Wood Thomas J. | Nasal interface and system including ventilation insert |
US20050235999A1 (en) * | 2004-04-23 | 2005-10-27 | Wood Thomas J | Nasal ventilation interface and system |
US20050236000A1 (en) * | 2003-08-05 | 2005-10-27 | Wood Thomas J | Nasal ventilation interface and system |
US20060124131A1 (en) * | 2004-12-10 | 2006-06-15 | Respcare, Inc. | Hybrid ventilation mask with nasal interface and method for configuring such a mask |
US20060237017A1 (en) * | 2003-12-31 | 2006-10-26 | Resmed Limited | Compact oronasal patient interface |
US20060266361A1 (en) * | 2005-05-31 | 2006-11-30 | Shara Hernandez | Ventilation interface |
US7191781B2 (en) | 2003-08-05 | 2007-03-20 | Innomed Technologies, Inc. | Nasal ventilation interface and system |
US20070221226A1 (en) * | 2006-03-10 | 2007-09-27 | Norman Hansen | Ventilation mask |
US20070272249A1 (en) * | 2006-05-10 | 2007-11-29 | Sanjay Chandran | Ventilation interface |
US20090277452A1 (en) * | 2005-06-06 | 2009-11-12 | Steven John Lubke | Mask System |
US20100163049A1 (en) * | 2008-12-30 | 2010-07-01 | Allegiance Corporation | Respiratory mask |
USD623288S1 (en) | 2006-04-28 | 2010-09-07 | Resmed Limited | Patient interface |
US7958893B2 (en) | 2001-09-07 | 2011-06-14 | Resmed Limited | Cushion for a respiratory mask assembly |
USD652909S1 (en) | 2006-04-28 | 2012-01-24 | Resmed Limited | Respiratory mask frame |
US8261745B2 (en) | 2004-12-10 | 2012-09-11 | Respcare, Inc. | Ventilation interface |
US8291906B2 (en) | 2008-06-04 | 2012-10-23 | Resmed Limited | Patient interface systems |
US8297285B2 (en) | 2006-07-28 | 2012-10-30 | Resmed Limited | Delivery of respiratory therapy |
US8485192B2 (en) | 2005-01-12 | 2013-07-16 | Resmed Limited | Cushion for patient interface |
US8517023B2 (en) | 2007-01-30 | 2013-08-27 | Resmed Limited | Mask system with interchangeable headgear connectors |
US8522784B2 (en) | 2008-03-04 | 2013-09-03 | Resmed Limited | Mask system |
CN103476449A (en) * | 2011-04-18 | 2013-12-25 | 皇家飞利浦有限公司 | Over-molded rotationally coupled assemblies |
US20140062077A1 (en) * | 2011-08-29 | 2014-03-06 | Mark Hurley | AC condensate drain line evacuation adapter |
US8807135B2 (en) | 2004-06-03 | 2014-08-19 | Resmed Limited | Cushion for a patient interface |
US8869797B2 (en) | 2007-04-19 | 2014-10-28 | Resmed Limited | Cushion and cushion to frame assembly mechanism for patient interface |
US8869798B2 (en) | 2008-09-12 | 2014-10-28 | Resmed Limited | Foam-based interfacing structure method and apparatus |
US8905031B2 (en) | 2008-06-04 | 2014-12-09 | Resmed Limited | Patient interface systems |
US8944061B2 (en) | 2005-10-14 | 2015-02-03 | Resmed Limited | Cushion to frame assembly mechanism |
US9162034B2 (en) | 2006-07-28 | 2015-10-20 | Resmed Limited | Delivery of respiratory therapy |
US20160022949A1 (en) * | 2013-03-15 | 2016-01-28 | Fisher & Paykel Healthcare Limited | Components for medical circuits |
US9381316B2 (en) | 2005-10-25 | 2016-07-05 | Resmed Limited | Interchangeable mask assembly |
US9480809B2 (en) | 2007-07-30 | 2016-11-01 | Resmed Limited | Patient interface |
US9987450B2 (en) | 2008-03-04 | 2018-06-05 | Resmed Limited | Interface including a foam cushioning element |
US20180193582A1 (en) * | 2015-06-11 | 2018-07-12 | Revolutionary Medical Devices, Inc. | Ventilation mask |
US10166357B2 (en) | 2006-12-15 | 2019-01-01 | Resmed Limited | Delivery of respiratory therapy with nasal interface |
US10271766B1 (en) * | 2015-03-20 | 2019-04-30 | Barron Associates, Inc. | Systems, devices, and/or methods for measuring metabolic energy expenditure |
US10307554B2 (en) | 2002-11-06 | 2019-06-04 | Resmed Limited | Mask and components thereof |
US10786642B2 (en) | 2009-01-30 | 2020-09-29 | ResMed Pty Ltd | Patient interface structure and method/tool for manufacturing same |
US11129953B2 (en) | 2008-03-04 | 2021-09-28 | ResMed Pty Ltd | Foam respiratory mask |
US11331447B2 (en) | 2008-03-04 | 2022-05-17 | ResMed Pty Ltd | Mask system with snap-fit shroud |
US11969552B2 (en) | 2022-06-28 | 2024-04-30 | ResMed Pty Ltd | Mask system with radially positioned vent holes |
Citations (5)
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US2047216A (en) * | 1932-06-20 | 1936-07-14 | Martha F Mckesson | Gas administering equipment |
US2094147A (en) * | 1934-04-18 | 1937-09-28 | Electrolux Corp | Coupling for vacuum cleaners |
US2638096A (en) * | 1949-11-08 | 1953-05-12 | Edith A Waldhaus | Apparatus for oral anesthesia |
US2860633A (en) * | 1956-08-17 | 1958-11-18 | John W Phillips | Compound swivel adaptor and coupling for anesthesia |
US2989960A (en) * | 1958-12-23 | 1961-06-27 | Air Reduction | Adapter fitting for anesthetic administering circuits |
-
1969
- 1969-09-23 US US860319A patent/US3670726A/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US2047216A (en) * | 1932-06-20 | 1936-07-14 | Martha F Mckesson | Gas administering equipment |
US2094147A (en) * | 1934-04-18 | 1937-09-28 | Electrolux Corp | Coupling for vacuum cleaners |
US2638096A (en) * | 1949-11-08 | 1953-05-12 | Edith A Waldhaus | Apparatus for oral anesthesia |
US2860633A (en) * | 1956-08-17 | 1958-11-18 | John W Phillips | Compound swivel adaptor and coupling for anesthesia |
US2989960A (en) * | 1958-12-23 | 1961-06-27 | Air Reduction | Adapter fitting for anesthetic administering circuits |
Cited By (201)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3799164A (en) * | 1971-08-12 | 1974-03-26 | Du Pont | Analgesic apparatus |
DE2939794A1 (en) * | 1979-10-01 | 1981-04-16 | Volker O. Prof. Dr.Med. 8012 Ottobrunn Lang | Bronchial secretion trap for medical respirator - has breathing head under plate carrying trap with suction connection and air venting |
WO1981002675A1 (en) * | 1980-03-27 | 1981-10-01 | Sontek Ind | Simultaneous respiration and endotracheal suctioning of critically ill patient |
US4351328A (en) * | 1980-03-27 | 1982-09-28 | Sontek Industries, Inc. | Simultaneous respiration and endotracheal suctioning of a critically ill patient |
EP0054714A2 (en) * | 1980-12-20 | 1982-06-30 | Erich Prof. Dr. med. Rügheimer | Connecting system with plug-in connectors for respiratory and anaesthetic devices |
EP0054714A3 (en) * | 1980-12-20 | 1982-11-10 | Erich Prof. Dr. Med. Rugheimer | Connecting system for fluid-pipes with plug-in connectors, in particular for respiratory and anaesthetic devices |
US4676241A (en) * | 1984-01-16 | 1987-06-30 | W.L.G. Technology | Ventilation tube swivel |
US4679827A (en) * | 1984-12-28 | 1987-07-14 | Thomas & Betts Corporation | Raintight and oiltight connector for flexible conduit |
US4967744A (en) * | 1988-11-03 | 1990-11-06 | Airoflex Medical, Inc. | Flexible breathing circuit |
US5431637A (en) * | 1992-07-31 | 1995-07-11 | Sherwood Medical Company | Endotracheal suction catheter |
US5333608A (en) * | 1992-09-30 | 1994-08-02 | Sherwood Medical Company | Endotracheal tube for face, chin and neck surgery |
US6679257B1 (en) | 1998-08-13 | 2004-01-20 | Fisher & Paykel Limited | Breathing assistance apparatus |
US6997186B2 (en) | 1998-08-13 | 2006-02-14 | Fisher & Paykel Healthcare Limited | Breathing assistance apparatus |
US20050056282A1 (en) * | 1998-08-13 | 2005-03-17 | Robertson Christopher John | Breathing assistance apparatus |
EP0979662A3 (en) * | 1998-08-13 | 2001-09-19 | FISHER & PAYKEL LIMITED | System, including a mouthpiece, for delivering pressurized gases to a user |
US6820617B2 (en) | 1998-08-13 | 2004-11-23 | Fisher & Paykel Limited | Breathing assistance apparatus |
US20030089371A1 (en) * | 1998-08-13 | 2003-05-15 | Fisher & Paykel Healthcare Limited | Breathing assistance apparatus |
US6484723B2 (en) * | 1999-02-11 | 2002-11-26 | Eileen Haas | Tracheostomy air filtration system |
US6997177B2 (en) | 1999-03-13 | 2006-02-14 | Inno Med Technologies, Inc. | Ventilation interface for sleep apnea therapy |
US6478026B1 (en) | 1999-03-13 | 2002-11-12 | Thomas J. Wood | Nasal ventilation interface |
US20050039757A1 (en) * | 1999-03-13 | 2005-02-24 | Wood Thomas J. | Ventilation interface for sleep apnea therapy |
JP2001079091A (en) * | 1999-08-10 | 2001-03-27 | Fisher & Paykel Ltd | Mouthpiece and apparatus usable for orally supplying air |
EP1075848A3 (en) * | 1999-08-10 | 2001-09-12 | FISHER & PAYKEL LIMITED | An improved breathing assistance apparatus |
US20050126574A1 (en) * | 2000-03-13 | 2005-06-16 | Wood Thomas J. | Ventilation interface for sleep apnea therapy |
US20050028823A1 (en) * | 2000-03-13 | 2005-02-10 | Wood Thomas J. | Nasal ventilation interface |
US20050034730A1 (en) * | 2000-03-13 | 2005-02-17 | Wood Thomas J. | Ventilation interface for sleep apnea therapy |
US7188624B2 (en) | 2000-03-13 | 2007-03-13 | Innomed Technologies Inc. | Ventilation interface for sleep apnea therapy |
US7059328B2 (en) | 2000-03-13 | 2006-06-13 | Innomed Technologies, Inc. | Ventilation interface for sleep apnea therapy |
US6994089B2 (en) | 2000-03-13 | 2006-02-07 | Innomed Technologies, Inc | Nasal ventilation interface |
US8733358B2 (en) | 2001-09-07 | 2014-05-27 | Resmed Limited | Cushion for a respiratory mask assembly |
US10850057B2 (en) | 2001-09-07 | 2020-12-01 | ResMed Pty Ltd | Cushion for a respiratory mask assembly |
US7958893B2 (en) | 2001-09-07 | 2011-06-14 | Resmed Limited | Cushion for a respiratory mask assembly |
US9724488B2 (en) | 2001-09-07 | 2017-08-08 | Resmed Limited | Cushion for a respiratory mask assembly |
US7047974B2 (en) | 2001-10-25 | 2006-05-23 | Innomed Technologies, Inc. | Nasal cannula |
US20040134498A1 (en) * | 2001-10-25 | 2004-07-15 | Roger Strickland | Nasal cannula |
US6892729B2 (en) * | 2001-11-20 | 2005-05-17 | Fisher & Paykel Healthcare Limited | Patient interfaces |
US20050016535A1 (en) * | 2001-11-20 | 2005-01-27 | Smith Nicholas Charles Alan | Patient interfaces |
US20030094177A1 (en) * | 2001-11-20 | 2003-05-22 | Smith Nicholas Charles Alan | Patient interfaces |
USRE41298E1 (en) * | 2001-11-20 | 2010-05-04 | Fisher & Paykel Healthcare Limited | Patient interfaces |
US7874292B2 (en) | 2001-11-20 | 2011-01-25 | Fisher & Paykel Healthcare Limited | Patient interfaces |
US10137273B2 (en) | 2001-11-20 | 2018-11-27 | Fisher & Paykel Healthcare Limited | Patient interfaces |
US8096301B2 (en) | 2001-11-20 | 2012-01-17 | Fisher & Paykel Healthcare Limited | Patient interfaces |
US10137274B2 (en) | 2001-11-20 | 2018-11-27 | Fisher & Paykel Healthcare Limited | Patient interfaces |
US20100078028A1 (en) * | 2001-11-20 | 2010-04-01 | Nicholas Charles Alan Smith | Patient interfaces |
US8267091B2 (en) | 2001-11-20 | 2012-09-18 | Fisher & Paykel Healthcare Limited | Patient interfaces |
US20100024825A1 (en) * | 2001-11-20 | 2010-02-04 | Nicholas Charles Alan Smith | Patient interfaces |
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US11406784B2 (en) | 2002-11-06 | 2022-08-09 | ResMed Pty Ltd | Mask and components thereof |
US10307554B2 (en) | 2002-11-06 | 2019-06-04 | Resmed Limited | Mask and components thereof |
US10940283B2 (en) | 2002-11-06 | 2021-03-09 | ResMed Pty Ltd | Mask and components thereof |
US11666725B2 (en) | 2002-11-06 | 2023-06-06 | ResMed Pty Ltd | Mask and components thereof |
US20040182397A1 (en) * | 2003-03-21 | 2004-09-23 | Innomed Technologies, Inc. | Nasal interface including ventilation insert |
US7234465B2 (en) | 2003-08-05 | 2007-06-26 | Innomed Technologies, Inc. | Nasal ventilation interface and system |
US20050236000A1 (en) * | 2003-08-05 | 2005-10-27 | Wood Thomas J | Nasal ventilation interface and system |
US7191781B2 (en) | 2003-08-05 | 2007-03-20 | Innomed Technologies, Inc. | Nasal ventilation interface and system |
US20060150982A1 (en) * | 2003-08-05 | 2006-07-13 | Wood Thomas J | Nasal ventilation interface and system |
US20050028821A1 (en) * | 2003-08-06 | 2005-02-10 | Wood Thomas J. | Nasal interface and system including ventilation insert |
US20050045182A1 (en) * | 2003-08-06 | 2005-03-03 | Wood Thomas J. | Nasal interface and system including ventilation insert |
US7000613B2 (en) | 2003-08-06 | 2006-02-21 | Innomed Technologies, Inc. | Nasal interface and system including ventilation insert |
US7472707B2 (en) | 2003-08-06 | 2009-01-06 | Innomed Technologies, Inc. | Nasal interface and system including ventilation insert |
US20050133040A1 (en) * | 2003-09-10 | 2005-06-23 | Wood Thomas J. | Nasal interface and system including ventilation insert |
US7708017B2 (en) | 2003-12-31 | 2010-05-04 | Resmed Limited | Compact oronasal patient interface |
US10569042B2 (en) | 2003-12-31 | 2020-02-25 | ResMed Pty Ltd | Compact oronasal patient interface |
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