CN111467618A - 用于医学应用的流体触发脉冲氧气输送 - Google Patents

用于医学应用的流体触发脉冲氧气输送 Download PDF

Info

Publication number
CN111467618A
CN111467618A CN201911324344.7A CN201911324344A CN111467618A CN 111467618 A CN111467618 A CN 111467618A CN 201911324344 A CN201911324344 A CN 201911324344A CN 111467618 A CN111467618 A CN 111467618A
Authority
CN
China
Prior art keywords
nasal
fluid
oxygen
patient
sensor
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.)
Pending
Application number
CN201911324344.7A
Other languages
English (en)
Chinese (zh)
Inventor
乔尔·B·梅特丽茨
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.)
Easy Oxygen Co ltd
Original Assignee
Easy Oxygen Co ltd
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 Easy Oxygen Co ltd filed Critical Easy Oxygen Co ltd
Publication of CN111467618A publication Critical patent/CN111467618A/zh
Pending legal-status Critical Current

Links

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. ventilators; 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
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00—Respiratory apparatus
    • A62B7/02—Respiratory apparatus with compressed oxygen or air
    • 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. ventilators; Tracheal tubes
    • A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; 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. ventilators; Tracheal tubes
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • A61M16/201—Controlled valves
    • A61M16/202—Controlled valves electrically actuated
    • 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. ventilators; 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
    • 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. ventilators; 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
    • 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. ventilators; 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
    • 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. ventilators; Tracheal tubes
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
    • 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. ventilators; Tracheal tubes
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
    • A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
    • A61M2016/0039—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical in the inspiratory circuit
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3368—Temperature
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/35—Communication
    • A61M2205/3546—Range
    • A61M2205/3569—Range sublocal, e.g. between console and disposable
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/35—Communication
    • A61M2205/3576—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver
    • A61M2205/3592—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver using telemetric means, e.g. radio or optical transmission
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/82—Internal energy supply devices
    • A61M2205/8206—Internal energy supply devices battery-operated

Landscapes

  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Otolaryngology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
CN201911324344.7A 2013-09-04 2014-09-03 用于医学应用的流体触发脉冲氧气输送 Pending CN111467618A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361873715P 2013-09-04 2013-09-04
US61/873,715 2013-09-04
US201461943610P 2014-02-24 2014-02-24
US61/943,610 2014-02-24
CN201480049058.3A CN105579102A (zh) 2013-09-04 2014-09-03 用于医学应用的流体触发脉冲氧气输送

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201480049058.3A Division CN105579102A (zh) 2013-09-04 2014-09-03 用于医学应用的流体触发脉冲氧气输送

Publications (1)

Publication Number Publication Date
CN111467618A true CN111467618A (zh) 2020-07-31

Family

ID=52581406

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201911324344.7A Pending CN111467618A (zh) 2013-09-04 2014-09-03 用于医学应用的流体触发脉冲氧气输送
CN201480049058.3A Pending CN105579102A (zh) 2013-09-04 2014-09-03 用于医学应用的流体触发脉冲氧气输送

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201480049058.3A Pending CN105579102A (zh) 2013-09-04 2014-09-03 用于医学应用的流体触发脉冲氧气输送

Country Status (10)

Country Link
US (1) US9707366B2 (enExample)
EP (1) EP3041587A4 (enExample)
JP (1) JP2016536081A (enExample)
CN (2) CN111467618A (enExample)
AU (1) AU2014315301B2 (enExample)
CA (1) CA2923303A1 (enExample)
MX (1) MX2016002888A (enExample)
PH (1) PH12016500423A1 (enExample)
RU (1) RU2668067C9 (enExample)
WO (1) WO2015034942A1 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9375542B2 (en) 2012-11-08 2016-06-28 Covidien Lp Systems and methods for monitoring, managing, and/or preventing fatigue during ventilation
US9907487B2 (en) * 2015-01-22 2018-03-06 Alexander Gelfand Non-invasive method and apparatus for determining lung tissue thermal properties and for extra vascular lung water measurement
CN118079157A (zh) * 2015-03-31 2024-05-28 费雪派克医疗保健有限公司 用于将气体供应至气道的用户接口和系统
US10737050B2 (en) 2015-06-25 2020-08-11 Maquet Critical Care Ab Oxygen boost during mechanical ventilation of a patient
CN109803707B (zh) 2016-08-11 2022-03-22 费雪派克医疗保健有限公司 可塌缩导管、患者接口和头戴具连接器
ES2968175T3 (es) 2017-03-31 2024-05-08 Teijin Pharma Ltd Dispositivo de adquisición de información respiratoria y método de adquisición de información respiratoria
EP3672670B1 (en) * 2017-08-22 2021-10-06 Koninklijke Philips N.V. Breathing mask and mask control method
CN110038205A (zh) * 2019-04-12 2019-07-23 佛山市第一人民医院（中山大学附属佛山医院） 一种口式吸氧装置
US20220347423A1 (en) * 2019-09-09 2022-11-03 Fisher & Paykel Healthcare Limited Respiratory therapy system and apparatus
US20210128864A1 (en) * 2019-11-06 2021-05-06 Koninklijke Philips N.V. Oxygen recovery during nasal therapy
US20210220599A1 (en) 2020-01-21 2021-07-22 Wearair Ventures, Inc. Efficient enriched oxygen airflow systems and methods
AU2021221922B2 (en) * 2020-08-05 2023-01-19 Effortless Oxygen, Llc Flow triggered gas delivery
US11420007B2 (en) 2020-08-05 2022-08-23 Effortless Oxygen, Llc Flow triggered gas delivery
US11247008B1 (en) 2020-08-05 2022-02-15 Effortless Oxygen, Llc Flow triggered gas delivery
US11318276B2 (en) 2020-08-05 2022-05-03 Effortless Oxygen, Llc Flow triggered gas delivery
WO2023164365A1 (en) * 2022-02-22 2023-08-31 Baltimore Respiratory Innovations Inc. System and method for point-of-delivery patient oxygen supply monitoring
WO2023230091A1 (en) * 2022-05-25 2023-11-30 Carilion Clinic System, devices and methods for delivering a flow of oxygen
CN120857954A (zh) * 2023-03-01 2025-10-28 费雪派克医疗保健有限公司 用于表征流动路径的方法和系统

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5074299A (en) * 1988-05-02 1991-12-24 Dietz Henry G Monitor for controlling the flow of gases for breathing during inhalation
AU6540299A (en) * 1995-08-09 2000-05-11 Resmed Limited Apparatus and methods for oro-nasal respiration monitoring
US20030140924A1 (en) * 2001-11-06 2003-07-31 Aylsworth Alonzo C. Therapeutic gas conserver and control
US20060169281A1 (en) * 2005-02-03 2006-08-03 Aylsworth Alonzo C Continuous flow selective delivery of therapeutic gas
US20070113851A1 (en) * 2005-11-22 2007-05-24 Delisle Matt S Arrangement and method for detecting respiratory effort of a patient
US20080190436A1 (en) * 2006-08-04 2008-08-14 Jaffe Michael B Nasal and oral patient interface
US20100113955A1 (en) * 2008-10-30 2010-05-06 Joshua Lewis Colman Oral-nasal cannula system enabling co2 and breath flow measurement
US20110253136A1 (en) * 2008-06-05 2011-10-20 Resmed Limited Treatment of respiratory conditions
WO2013043504A1 (en) * 2011-09-20 2013-03-28 Metelits Joel B Pulsated oxygen delivery for medical applications

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906936A (en) * 1974-02-15 1975-09-23 Mutaz B Habal Nasal air flow detection method for speech evaluation
US4278082A (en) * 1979-05-11 1981-07-14 Blackmer Richard H Adjustable nasal cannula
US4706664A (en) * 1986-04-11 1987-11-17 Puritan-Bennett Corporation Inspiration oxygen saver
US5165397A (en) * 1988-12-15 1992-11-24 Arp Leon J Method and apparatus for demand oxygen system monitoring and control
US5485850A (en) * 1993-08-13 1996-01-23 Dietz; Henry G. Monitor of low pressure intervals with control capabilities
US5694923A (en) 1996-08-30 1997-12-09 Respironics, Inc. Pressure control in a blower-based ventilator
US5865174A (en) * 1996-10-29 1999-02-02 The Scott Fetzer Company Supplemental oxygen delivery apparatus and method
DE19921917A1 (de) 1999-05-12 2000-12-14 Michael Lerch Verfahren und Vorrichtung zur Veränderung der standardatmosphärischen Zusammensetzung der Atemluft mit Gasen oder Gasgemischen
US6615831B1 (en) 1999-07-02 2003-09-09 Respironics, Inc. Pressure support system and method and a pressure control valve for use in such system and method
US6581599B1 (en) * 1999-11-24 2003-06-24 Sensormedics Corporation Method and apparatus for delivery of inhaled nitric oxide to spontaneous-breathing and mechanically-ventilated patients
US6612307B2 (en) 2000-09-11 2003-09-02 Western/Scott Fetzer Company Oxygen conserver
US7614401B2 (en) 2003-08-06 2009-11-10 Paul S. Thompson Nasal cannula assembly
US7007692B2 (en) * 2003-10-29 2006-03-07 Airmatrix Technologies, Inc. Method and system of sensing airflow and delivering therapeutic gas to a patient
EP1737520A4 (en) 2004-04-15 2009-10-28 Resmed Ltd APPARATUS AND METHODS FOR TREATING ROUNDING
US7222624B2 (en) 2004-07-02 2007-05-29 Praxair Technology, Inc. Dual sensor oxygen therapy device
US7013898B2 (en) 2004-07-09 2006-03-21 Praxair Technology, Inc. Nasal pressure sensor oxygen therapy device
US7370651B2 (en) * 2005-04-01 2008-05-13 Ric Investments, Llc Gas conserving device
US7866320B2 (en) * 2005-06-08 2011-01-11 Nichols Heath C Nasal canula and mouthpiece assembly and method
US20080078393A1 (en) * 2005-11-22 2008-04-03 General Electric Company Respiratory monitoring with cannula receiving respiratory airflows, differential pressure transducer, and ventilator
US8020558B2 (en) * 2007-01-26 2011-09-20 Cs Medical, Inc. System for providing flow-targeted ventilation synchronized to a patient's breathing cycle
JP2012508074A (ja) 2008-11-10 2012-04-05 チャート・シークワル・テクノロジーズ・インコーポレイテッド 酸素濃縮器を使用する医療用人工呼吸器システムおよび方法
CA2823514C (en) * 2010-12-31 2019-09-17 O2Ool, Llc Apparatus for positioning a nasal cannula
US20130092165A1 (en) 2011-09-26 2013-04-18 Anthony David Wondka Nasal Ventilation Cannula System and Methods

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5074299A (en) * 1988-05-02 1991-12-24 Dietz Henry G Monitor for controlling the flow of gases for breathing during inhalation
AU6540299A (en) * 1995-08-09 2000-05-11 Resmed Limited Apparatus and methods for oro-nasal respiration monitoring
US20030140924A1 (en) * 2001-11-06 2003-07-31 Aylsworth Alonzo C. Therapeutic gas conserver and control
CN1741830A (zh) * 2002-11-05 2006-03-01 空气矩阵技术有限公司 治疗气体保存器和控制
US20060169281A1 (en) * 2005-02-03 2006-08-03 Aylsworth Alonzo C Continuous flow selective delivery of therapeutic gas
US20070113851A1 (en) * 2005-11-22 2007-05-24 Delisle Matt S Arrangement and method for detecting respiratory effort of a patient
US20080190436A1 (en) * 2006-08-04 2008-08-14 Jaffe Michael B Nasal and oral patient interface
US20110253136A1 (en) * 2008-06-05 2011-10-20 Resmed Limited Treatment of respiratory conditions
US20100113955A1 (en) * 2008-10-30 2010-05-06 Joshua Lewis Colman Oral-nasal cannula system enabling co2 and breath flow measurement
WO2013043504A1 (en) * 2011-09-20 2013-03-28 Metelits Joel B Pulsated oxygen delivery for medical applications

Also Published As

Publication number Publication date
JP2016536081A (ja) 2016-11-24
RU2668067C9 (ru) 2019-06-14
CN105579102A (zh) 2016-05-11
US9707366B2 (en) 2017-07-18
RU2016107490A3 (enExample) 2018-03-21
EP3041587A1 (en) 2016-07-13
WO2015034942A1 (en) 2015-03-12
US20150059764A1 (en) 2015-03-05
PH12016500423B1 (en) 2016-05-16
EP3041587A4 (en) 2017-05-10
AU2014315301A1 (en) 2016-03-17
RU2668067C2 (ru) 2018-09-25
RU2016107490A (ru) 2017-10-09
PH12016500423A1 (en) 2016-05-16
MX2016002888A (es) 2016-11-07
CA2923303A1 (en) 2015-03-12
AU2014315301B2 (en) 2017-09-28

Similar Documents

Publication Publication Date Title
CN111467618A (zh) 用于医学应用的流体触发脉冲氧气输送
US9987444B2 (en) System and method for limited flow respiratory therapy
EP2111247A2 (en) System for providing flow-targeted ventilation synchronized to a patient's breathing cycle
CN105980014A (zh) 双压力传感器患者通气设备
CN104470571A (zh) 用于呼吸治疗中经改进的顺应性的系统和方法
US11247008B1 (en) Flow triggered gas delivery
US20140326242A1 (en) Sysems and methods for using partial co2 rebreathing integrated in a ventilator and measurements thereof to determine noninvasive cardiac output
JP7719244B2 (ja) 流れで起動するガス供給
WO2013043504A1 (en) Pulsated oxygen delivery for medical applications
US11420007B2 (en) Flow triggered gas delivery
US11318276B2 (en) Flow triggered gas delivery
US20220040426A1 (en) Flow Triggered Gas Delivery
BR122023007952B1 (pt) Sistemas de distribuição de fluido e aparelhos para conservar fluido
BR112023001984B1 (pt) Sistema de distribuição de fluido e aparelho para conservar oxigêniofluido suplementar
BR122023007971B1 (pt) Sistemas de distribuição de fluido e aparelhos para conservar fluido
CN106102810A (zh) 人工智能便携式喷雾器

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20200731

WD01 Invention patent application deemed withdrawn after publication