GB1140581A - Heart and lung resuscitator - Google Patents

Heart and lung resuscitator

Info

Publication number
GB1140581A
GB1140581A GB36566A GB36566A GB1140581A GB 1140581 A GB1140581 A GB 1140581A GB 36566 A GB36566 A GB 36566A GB 36566 A GB36566 A GB 36566A GB 1140581 A GB1140581 A GB 1140581A
Authority
GB
United Kingdom
Prior art keywords
valve
tank
line
lung
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.)
Expired
Application number
GB36566A
Other languages
English (en)
Inventor
Carl E Hewson
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.)
CARL EDWIN HEWSON
Original Assignee
CARL EDWIN HEWSON
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
Priority to US49721165 priority Critical patent/US3351052A/en
Application filed by CARL EDWIN HEWSON filed Critical CARL EDWIN HEWSON
Priority to GB36566A priority patent/GB1140581A/en
Priority to BE675104A priority patent/BE675104A/fr
Priority to DK45666A priority patent/DK120613B/da
Priority to DE19661491745 priority patent/DE1491745A1/de
Priority to US3509899D priority patent/US3509899A/en
Publication of GB1140581A publication Critical patent/GB1140581A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H31/00—Artificial respiration or heart stimulation, e.g. heart massage
    • A61H31/004—Heart stimulation
    • A61H31/006—Power driven
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/12—Driving means
    • A61H2201/1238—Driving means with hydraulic or pneumatic drive
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2703—Flow rate responsive
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2703—Flow rate responsive
    • Y10T137/2705—Pressure differential
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86389—Programmer or timer
    • Y10T137/86405—Repeating cycle
    • Y10T137/86413—Self-cycling

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
GB36566A 1963-05-01 1966-01-04 Heart and lung resuscitator Expired GB1140581A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US49721165 US3351052A (en) 1965-10-18 1965-10-18 Heart and lung resuscitator
GB36566A GB1140581A (en) 1965-10-18 1966-01-04 Heart and lung resuscitator
BE675104A BE675104A (fr) 1963-05-01 1966-01-14
DK45666A DK120613B (da) 1965-10-18 1966-01-28 Apparat til genoplivning af hjerte- og lungefunktionerne.
DE19661491745 DE1491745A1 (de) 1965-10-18 1966-08-04 Geraet zur Anregung und Wiederbelebung der Herz- und Lungentaetigkeit
US3509899D US3509899A (en) 1963-05-01 1967-08-07 Heart and lung resuscitator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49721165 US3351052A (en) 1965-10-18 1965-10-18 Heart and lung resuscitator
GB36566A GB1140581A (en) 1965-10-18 1966-01-04 Heart and lung resuscitator

Publications (1)

Publication Number Publication Date
GB1140581A true GB1140581A (en) 1969-01-22

Family

ID=38337995

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36566A Expired GB1140581A (en) 1963-05-01 1966-01-04 Heart and lung resuscitator

Country Status (5)

Country Link
US (2) US3351052A (fr)
BE (1) BE675104A (fr)
DE (1) DE1491745A1 (fr)
DK (1) DK120613B (fr)
GB (1) GB1140581A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140694A (en) * 1983-06-02 1984-12-05 Coromed Int Ltd Cardiopulmonary resuscitator
WO1995008316A1 (fr) * 1993-09-24 1995-03-30 Willy Vistung Appareil de massage cardiaque mobile
JP2007216027A (ja) * 2006-02-16 2007-08-30 Zoll Medical Corp 心蘇生術における胸部圧迫および換気の同期
WO2014028934A1 (fr) 2012-08-17 2014-02-20 Zoll Medical Corporation Compression et ventilation déphasées de poitrine

Families Citing this family (88)

* Cited by examiner, † Cited by third party
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US3425409A (en) * 1965-11-08 1969-02-04 Max Isaacson Resuscitator
US3461858A (en) * 1966-05-13 1969-08-19 American Safety Equip Cardiopulmonary resuscitation apparatus
US3461861A (en) * 1966-10-05 1969-08-19 Michigan Instr Inc Cardiac compressor and ventilation means
GB1289995A (fr) * 1969-08-26 1972-09-20
US3556097A (en) * 1969-09-25 1971-01-19 Air Reduction Disposable anesthesia-breathing circuit unit
US3672129A (en) * 1970-03-20 1972-06-27 Lif O Gen Inc Apparatus for dispensing sterile gas
US3804082A (en) * 1972-04-26 1974-04-16 Cordis Corp Resuscitation support
US3870038A (en) * 1974-03-15 1975-03-11 Dennis Arblaster One-piece seamless hollow resuscitation plaque
US3923054A (en) * 1974-05-13 1975-12-02 Jr George H Bauer Resuscitation device
AT329174B (de) * 1974-05-17 1976-04-26 Ragailler Franz Vorrichtung zur kunstlichen beatmung eines menschen
US3968795A (en) * 1974-12-11 1976-07-13 Westinghouse Electric Corporation Underwater breathing apparatus
US3955563A (en) * 1975-01-06 1976-05-11 Albert Maione Pneumatic percussor
US4166458A (en) * 1975-01-17 1979-09-04 Harrigan Roy Major External cardiac resuscitation aid
US4095590A (en) * 1975-08-29 1978-06-20 Roy Major Harrigan External cardiac resuscitation aid
US4196725A (en) * 1978-04-13 1980-04-08 Rescuetech Corporation Cardiac pulmonary resuscitation apparatus
FR2437499A1 (fr) * 1978-09-27 1980-04-25 Snecma Perfectionnement aux tuyeres orientables pour propulseurs a reaction
US4237872A (en) * 1979-04-30 1980-12-09 Harrigan Roy Major External cardiac resuscitation aid
US4326507A (en) * 1979-11-20 1982-04-27 Michigan Instruments, Inc. CPR Protocol and cardiopulmonary resuscitator for effecting the same
US4491423A (en) * 1981-03-16 1985-01-01 Stanley Cohen Resuscitation assistive timer
US4702231A (en) * 1985-10-21 1987-10-27 Arpin Pierre P Portable heart massage apparatus
DE3617327A1 (de) * 1986-05-23 1987-11-26 Frimberger Erintrud Vorrichtung zur herzmassage und zur beatmung
US4915095A (en) * 1988-05-02 1990-04-10 Newton Chun Cardiac CPR mechanism
CA2011609C (fr) * 1990-03-06 1998-09-15 William Edward Price Appareil de reanimation et d'inhalation
US5398714A (en) * 1990-03-06 1995-03-21 Price; William E. Resuscitation and inhalation device
NO172474C (no) * 1990-06-12 1993-07-28 Medreco As Gjenopplivingsanordning
WO1992000716A1 (fr) * 1990-07-06 1992-01-23 Baswat Holdings Pty. Ltd. Dispositif de massage cardiaque externe
US5490820A (en) * 1993-03-12 1996-02-13 Datascope Investment Corp. Active compression/decompression cardiac assist/support device and method
FI931998A (fi) * 1993-05-03 1994-11-04 Markku Moilanen Elvytyslaite
US5657751A (en) * 1993-07-23 1997-08-19 Karr, Jr.; Michael A. Cardiopulmonary resuscitation unit
US5513647A (en) * 1994-05-03 1996-05-07 Childrens Hospital Inc Method for measuring adult-type pulmonary function tests in sedated infants and apparatus therefor
US5630789A (en) * 1994-10-07 1997-05-20 Datascope Investment Corp. Active compression/decompression device for cardiopulmonary resuscitation
US5823185A (en) * 1997-04-04 1998-10-20 Chang; Tien-Tsai Manual pressing and automatic air breathing cardiopulmonary resuscitation first-aid device
SE9800855D0 (sv) * 1998-03-16 1998-03-16 Siemens Elema Ab Apparatus for improving the distribution of gas
US6155257A (en) * 1998-10-07 2000-12-05 Cprx Llc Cardiopulmonary resuscitation ventilator and methods
DE19857421A1 (de) * 1998-12-12 2000-06-15 Stefan Sesler Vorrichtung zur Wiederbelebung von Patienten mit Herzstillstand
TW407053B (en) * 2000-01-21 2000-10-01 Jang Ting Tsai Automatic inflation cardiopulmonary resuscitation apparatus with both electric and manual operation modes
US7569021B2 (en) * 2002-03-21 2009-08-04 Jolife Ab Rigid support structure on two legs for CPR
US7108666B2 (en) * 2003-01-07 2006-09-19 Sensormedics Corporation Method and apparatus for performing a forced expiratory maneuver in an infant
EP3064242A1 (fr) 2003-04-28 2016-09-07 Advanced Circulatory Systems Inc. Ventilateur et procédés de traitement de traumatisme crânien et d'hypotension
US7226427B2 (en) * 2003-05-12 2007-06-05 Jolife Ab Systems and procedures for treating cardiac arrest
US7047976B2 (en) * 2003-06-30 2006-05-23 Simon Jacob Frank Medical device for overcoming airway obstruction
US6926007B2 (en) * 2003-06-30 2005-08-09 Simon J Frank Medical device for overcoming airway obstruction
US7134436B2 (en) * 2003-06-30 2006-11-14 Frank Simon J Medical device for overcoming airway obstruction
US7047977B2 (en) 2003-06-30 2006-05-23 Simon Frank Medical device for overcoming airway obstruction
US20050148909A1 (en) * 2003-07-15 2005-07-07 Weil Max H. Light weight chest compressor
US20050015026A1 (en) * 2003-07-16 2005-01-20 Well Max Harry Controlled chest compressor
SE0303054D0 (sv) 2003-11-17 2003-11-17 Jolife Ab Positioneringsanordning för användning i apparatur för behandling av plötsligt hjärtstillestånd
US7734344B2 (en) 2003-12-02 2010-06-08 Uab Research Foundation Methods, systems and computer program products to inhibit ventricular fibrillation during cardiopulmonary resuscitation
GB0510594D0 (en) * 2005-05-25 2005-06-29 Smiths Group Plc Resuscitators
DE102007051619A1 (de) * 2006-10-30 2008-06-05 Weinmann Geräte für Medizin GmbH + Co. KG Vorrichtung zum manuellen Auslösen eines Beatmungshubes
US9352111B2 (en) 2007-04-19 2016-05-31 Advanced Circulatory Systems, Inc. Systems and methods to increase survival with favorable neurological function after cardiac arrest
US8151790B2 (en) 2007-04-19 2012-04-10 Advanced Circulatory Systems, Inc. Volume exchanger valve system and method to increase circulation during CPR
CN102395345B (zh) * 2009-04-15 2015-02-04 皇家飞利浦电子股份有限公司 用于自动心肺复苏系统的背板
EP2451515A4 (fr) * 2009-07-09 2017-12-27 Inovytec Medical Solutions Ltd. Système pour les urgences respiratoires
USD669185S1 (en) * 2009-11-12 2012-10-16 Maquet Cardiopulmonary Ag Medical device for extra-corporeal heart and/or lung support
US9724266B2 (en) 2010-02-12 2017-08-08 Zoll Medical Corporation Enhanced guided active compression decompression cardiopulmonary resuscitation systems and methods
US8702633B2 (en) * 2010-02-12 2014-04-22 Advanced Circulatory Systems, Inc. Guided active compression decompression cardiopulmonary resuscitation systems and methods
US12016820B2 (en) 2010-02-12 2024-06-25 Zoll Medical Corporation Enhanced guided active compression decompression cardiopulmonary resuscitation systems and methods
CN103037760B (zh) * 2010-06-02 2016-11-02 Zoll医疗公司 动态调整的cpr按压参数
CN102499875B (zh) * 2011-11-01 2013-08-28 深圳市邦沃科技有限公司 气控气动型心肺复苏机及按压与呼吸自动切换系统和方法
EP3560537B1 (fr) 2011-12-19 2021-03-24 Zoll Medical Corporation Systèmes de régulation thérapeutique de la pression intrathoracique
US9811634B2 (en) 2013-04-25 2017-11-07 Zoll Medical Corporation Systems and methods to predict the chances of neurologically intact survival while performing CPR
US20140358047A1 (en) 2013-05-30 2014-12-04 ResQSystems, Inc. End-tidal carbon dioxide and amplitude spectral area as non-invasive markers of coronary perfusion pressure and arterial pressure
US10265495B2 (en) 2013-11-22 2019-04-23 Zoll Medical Corporation Pressure actuated valve systems and methods
US11844742B2 (en) 2014-02-19 2023-12-19 Keith G. Lurie Methods and systems to reduce brain damage
US11246794B2 (en) 2014-02-19 2022-02-15 Keith G. Lurie Systems and methods for improved post-resuscitation recovery
US11020314B2 (en) 2014-02-19 2021-06-01 Keith G. Lurie Methods and systems to reduce brain damage
US11096861B2 (en) 2014-02-19 2021-08-24 Keith G. Lurie Systems and methods for gravity-assisted cardiopulmonary resuscitation and defibrillation
US10350137B2 (en) 2014-02-19 2019-07-16 Keith G. Lurie Elevation timing systems and methods for head up CPR
US9801782B2 (en) 2014-02-19 2017-10-31 Keith G. Lurie Support devices for head up cardiopulmonary resuscitation
US9707152B2 (en) 2014-02-19 2017-07-18 Keith G. Lurie Systems and methods for head up cardiopulmonary resuscitation
US11259988B2 (en) 2014-02-19 2022-03-01 Keith G. Lurie Active compression decompression and upper body elevation system
US10667987B2 (en) 2014-02-19 2020-06-02 Keith G. Lurie Uniform chest compression CPR
US10406068B2 (en) 2014-02-19 2019-09-10 Keith G. Lurie Lockable head up cardiopulmonary resuscitation support device
US9750661B2 (en) 2014-02-19 2017-09-05 Keith G. Lurie Systems and methods for head up cardiopulmonary resuscitation
US10406069B2 (en) 2014-02-19 2019-09-10 Keith G. Lurie Device for elevating the head and chest for treating low blood flow states
US10245209B2 (en) 2014-02-19 2019-04-02 Keith G. Lurie Systems and methods for gravity-assisted cardiopulmonary resuscitation
US11246796B2 (en) 2014-06-06 2022-02-15 Physio-Control, Inc. Adjustable piston
US10004662B2 (en) 2014-06-06 2018-06-26 Physio-Control, Inc. Adjustable piston
US10092464B2 (en) 2014-10-03 2018-10-09 Physio-Control, Inc. Medical device stabilization strap
KR101950028B1 (ko) * 2015-06-12 2019-03-08 주식회사메디아나 자동 심폐소생술장치
DE102016104679A1 (de) 2016-03-14 2017-09-14 GS Elektromedizinische Geräte G. Stemple GmbH Vorrichtung zur kardiopulmonalen Massage und/oder Reanimation
US10780020B2 (en) 2016-09-30 2020-09-22 Zoll Medical Corporation Maintaining active compression decompression device adherence
US10561573B2 (en) * 2017-01-24 2020-02-18 Kosi Stuart Infant burping assembly
US11179293B2 (en) * 2017-07-28 2021-11-23 Stryker Corporation Patient support system with chest compression system and harness assembly with sensor system
WO2020174485A1 (fr) 2019-02-26 2020-09-03 Panduranga Revankar Krishna Prasad Dispositif et méthode de réanimation cardio-pulmonaire assise à économie de temps
EP3925589B1 (fr) * 2020-06-17 2023-12-06 MO.S.A.I.C. - Motion System and Information Control S.r.l. Système de réanimation cardio-pulmonaire
CN113057875A (zh) * 2021-03-23 2021-07-02 袁冬梅 一种外科急救用胸外按压装置

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US3254645A (en) * 1962-04-20 1966-06-07 Rand Dev Corp Reciprocating heart resuscitation device means for adjusting pressure
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US3291124A (en) * 1963-02-21 1966-12-13 Westinghouse Electric Corp Pneumatically controlled portable heart massage apparatus
US3209748A (en) * 1963-04-19 1965-10-05 Westinghouse Electric Corp Reciprocating heart resuscitator device having fluid pressure control apparatus
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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140694A (en) * 1983-06-02 1984-12-05 Coromed Int Ltd Cardiopulmonary resuscitator
AU575326B2 (en) * 1983-06-02 1988-07-28 Coromed International Limited Cardiopulmonary resuscitator
WO1995008316A1 (fr) * 1993-09-24 1995-03-30 Willy Vistung Appareil de massage cardiaque mobile
GB2297492A (en) * 1993-09-24 1996-08-07 Willy Vistung Mobile cardiac massage apparatus
GB2297492B (en) * 1993-09-24 1997-12-10 Willy Vistung Mobile cardiac massage apparatus
AU690582B2 (en) * 1993-09-24 1998-04-30 Jolife Ab Mobile cardiac massage apparatus
US8105249B2 (en) 2006-02-16 2012-01-31 Zoll Medical Corporation Synchronizing chest compression and ventilation in cardiac resuscitation
EP1820484A3 (fr) * 2006-02-16 2007-09-19 Zoll Medical Corporation Synchronisation de compression thoracique et de ventilation pour réanimation cardiaque
JP2007216027A (ja) * 2006-02-16 2007-08-30 Zoll Medical Corp 心蘇生術における胸部圧迫および換気の同期
EP2308447A3 (fr) * 2006-02-16 2012-05-02 Zoll Medical Corporation Synchronisation de compression thoracique et de ventilation pour réanimation cardiaque
JP2012106090A (ja) * 2006-02-16 2012-06-07 Zoll Medical Corp 心蘇生術における胸部圧迫および換気の同期
US9174064B2 (en) 2006-02-16 2015-11-03 Zoll Medical Corporation Synchronizing chest compression and ventilation in cardiac resuscitation
US10251811B2 (en) 2006-02-16 2019-04-09 Zoll Medical Corporation Synchronizing chest compression and ventilation in cardiac resuscitation
US11839586B2 (en) 2006-02-16 2023-12-12 Zoll Medical Corporation Synchronizing chest compression and ventilation in cardiac resuscitation
WO2014028934A1 (fr) 2012-08-17 2014-02-20 Zoll Medical Corporation Compression et ventilation déphasées de poitrine
EP2884955A4 (fr) * 2012-08-17 2016-03-23 Zoll Medical Corp Compression et ventilation déphasées de poitrine
US10188582B2 (en) 2012-08-17 2019-01-29 Zoll Medical Corporation Out of phase chest compression and ventilation
US10888493B2 (en) 2012-08-17 2021-01-12 Zoll Medical Corporation Out of phase chest compression and ventilation
US11974961B2 (en) 2012-08-17 2024-05-07 Zoll Medical Corporation Out of phase chest compression and ventilation

Also Published As

Publication number Publication date
DE1491745A1 (de) 1969-10-30
BE675104A (fr) 1966-05-03
US3351052A (en) 1967-11-07
US3509899A (en) 1970-05-05
DK120613B (da) 1971-06-21

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