BE703462A - - Google Patents
Info
- Publication number
- BE703462A BE703462A BE703462A BE703462A BE703462A BE 703462 A BE703462 A BE 703462A BE 703462 A BE703462 A BE 703462A BE 703462 A BE703462 A BE 703462A BE 703462 A BE703462 A BE 703462A
- Authority
- BE
- Belgium
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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/424—Details relating to driving for positive displacement blood pumps
- A61M60/427—Details relating to driving for positive displacement blood pumps the force acting on the blood contacting member being hydraulic or pneumatic
- A61M60/435—Details relating to driving for positive displacement blood pumps the force acting on the blood contacting member being hydraulic or pneumatic with diastole or systole switching by valve means located between the blood pump and the hydraulic or pneumatic energy source
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/104—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body
- A61M60/117—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body for assisting the heart, e.g. transcutaneous or external ventricular assist 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/165—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart
- A61M60/191—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart mechanically acting upon the outside of the patient's native heart, e.g. compressive structures placed around the heart
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
- A61M60/289—Devices for mechanical circulatory actuation assisting the residual heart function by means mechanically acting upon the patient's native heart or blood vessel structure, e.g. direct cardiac compression [DCC] 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/465—Details relating to driving for devices for mechanical circulatory actuation
- A61M60/468—Details relating to driving for devices for mechanical circulatory actuation the force acting on the actuation means being hydraulic or pneumatic
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/465—Details relating to driving for devices for mechanical circulatory actuation
- A61M60/47—Details relating to driving for devices for mechanical circulatory actuation the force acting on the actuation means being mechanical, e.g. mechanically driven members clamping a blood vessel
- A61M60/473—Details relating to driving for devices for mechanical circulatory actuation the force acting on the actuation means being mechanical, e.g. mechanically driven members clamping a blood vessel generated by an electromotor
- A61M60/476—Details relating to driving for devices for mechanical circulatory actuation the force acting on the actuation means being mechanical, e.g. mechanically driven members clamping a blood vessel generated by an electromotor with means converting the rotation into a translational movement of the displacement member
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/50—Details relating to control
- A61M60/508—Electronic control means, e.g. for feedback regulation
- A61M60/515—Regulation using real-time patient data
- A61M60/531—Regulation using real-time patient data using blood pressure data, e.g. from blood pressure sensors
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/839—Constructional details other than related to driving of devices for mechanical circulatory actuation
-
- 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
- A61H2230/00—Measuring physical parameters of the user
- A61H2230/04—Heartbeat characteristics, e.g. E.G.C., blood pressure modulation
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
- A61M60/89—Valves
- A61M60/892—Active valves, i.e. actuated by an external force
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Hematology (AREA)
- Mechanical Engineering (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Medical Informatics (AREA)
- Prostheses (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR75260A FR1499305A (fr) | 1966-09-05 | 1966-09-05 | Nouvelle prothèse d'assistance cardiaque et sa fabrication |
FR116158A FR92798E (fr) | 1966-09-05 | 1967-07-28 | Nouvelle prothese d'assistance cardiaque et sa fabrication. |
Publications (1)
Publication Number | Publication Date |
---|---|
BE703462A true BE703462A (xx) | 1968-03-04 |
Family
ID=26172939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE703462A BE703462A (xx) | 1966-09-05 | 1967-09-04 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3513836A (xx) |
BE (1) | BE703462A (xx) |
CH (1) | CH471579A (xx) |
DE (1) | DE1566511A1 (xx) |
FR (1) | FR92798E (xx) |
GB (1) | GB1184246A (xx) |
LU (1) | LU54418A1 (xx) |
NL (1) | NL6711802A (xx) |
Families Citing this family (82)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4621617A (en) * | 1981-06-29 | 1986-11-11 | Sharma Devendra N | Electro-magnetically controlled artificial heart device for compressing cardiac muscle |
US4446867A (en) * | 1981-12-31 | 1984-05-08 | Leveen Robert F | Fluid-driven balloon catheter for intima fracture |
IT1155105B (it) * | 1982-03-03 | 1987-01-21 | Roberto Parravicini | Dispositivo di impianto per il sostentamento dell attivita del miocardio |
US4690134A (en) * | 1985-07-01 | 1987-09-01 | Snyders Robert V | Ventricular assist device |
SE454942B (sv) * | 1986-05-22 | 1988-06-13 | Astra Tech Ab | Hjerthjelpanordning for inoperation i brosthalan |
US4938207A (en) * | 1986-10-20 | 1990-07-03 | Alexander C. Vargo | Knee brace having plurality of fluid filled chambers surrounding knee |
SU1604377A1 (ru) * | 1987-02-23 | 1990-11-07 | Благовещенский государственный медицинский институт | Искусственный перикард |
FR2645739A1 (fr) * | 1989-04-14 | 1990-10-19 | Vm Tech Sa | Dispositif d'assistance cardiaque et son utilisation |
US5119804A (en) * | 1990-11-19 | 1992-06-09 | Anstadt George L | Heart massage apparatus |
US5383840A (en) * | 1992-07-28 | 1995-01-24 | Vascor, Inc. | Biocompatible ventricular assist and arrhythmia control device including cardiac compression band-stay-pad assembly |
US5800528A (en) * | 1995-06-13 | 1998-09-01 | Abiomed R & D, Inc. | Passive girdle for heart ventricle for therapeutic aid to patients having ventricular dilatation |
US6520904B1 (en) * | 1996-01-02 | 2003-02-18 | The University Of Cincinnati | Device and method for restructuring heart chamber geometry |
US6592619B2 (en) | 1996-01-02 | 2003-07-15 | University Of Cincinnati | Heart wall actuation device for the natural heart |
US5957977A (en) | 1996-01-02 | 1999-09-28 | University Of Cincinnati | Activation device for the natural heart including internal and external support structures |
JP2001521790A (ja) | 1997-11-03 | 2001-11-13 | カーディオ・テクノロジーズ・インコーポレーテッド | 心臓の血液ポンピング機能を補助するための方法および装置 |
US6190408B1 (en) | 1998-03-05 | 2001-02-20 | The University Of Cincinnati | Device and method for restructuring the heart chamber geometry |
US6547821B1 (en) * | 1998-07-16 | 2003-04-15 | Cardiothoracic Systems, Inc. | Surgical procedures and devices for increasing cardiac output of the heart |
US6432039B1 (en) | 1998-12-21 | 2002-08-13 | Corset, Inc. | Methods and apparatus for reinforcement of the heart ventricles |
US6464655B1 (en) | 1999-03-17 | 2002-10-15 | Environmental Robots, Inc. | Electrically-controllable multi-fingered resilient heart compression devices |
US6702732B1 (en) | 1999-12-22 | 2004-03-09 | Paracor Surgical, Inc. | Expandable cardiac harness for treating congestive heart failure |
JP2003526448A (ja) | 2000-03-10 | 2003-09-09 | パラコー サージカル インコーポレイテッド | 鬱血性心不全を治療するための膨張可能な心臓ハーネス |
US20040064014A1 (en) * | 2001-05-31 | 2004-04-01 | Melvin David B. | Devices and methods for assisting natural heart function |
AU2002335745A1 (en) | 2001-09-10 | 2003-03-24 | Paracor Medical, Inc. | Cardiac harness |
US6695769B2 (en) | 2001-09-25 | 2004-02-24 | The Foundry, Inc. | Passive ventricular support devices and methods of using them |
US7060023B2 (en) * | 2001-09-25 | 2006-06-13 | The Foundry Inc. | Pericardium reinforcing devices and methods of using them |
US7276021B2 (en) * | 2001-10-31 | 2007-10-02 | Paracor Medical, Inc. | Heart failure treatment device and method |
US7022063B2 (en) | 2002-01-07 | 2006-04-04 | Paracor Medical, Inc. | Cardiac harness |
US7174896B1 (en) | 2002-01-07 | 2007-02-13 | Paracor Medical, Inc. | Method and apparatus for supporting a heart |
US7081084B2 (en) * | 2002-07-16 | 2006-07-25 | University Of Cincinnati | Modular power system and method for a heart wall actuation system for the natural heart |
US7850729B2 (en) * | 2002-07-18 | 2010-12-14 | The University Of Cincinnati | Deforming jacket for a heart actuation device |
US20040059180A1 (en) * | 2002-09-23 | 2004-03-25 | The University Of Cincinnati | Basal mounting cushion frame component to facilitate extrinsic heart wall actuation |
US20040015041A1 (en) * | 2002-07-18 | 2004-01-22 | The University Of Cincinnati | Protective sheath apparatus and method for use with a heart wall actuation system for the natural heart |
US6988982B2 (en) * | 2002-08-19 | 2006-01-24 | Cardioenergetics | Heart wall actuation system for the natural heart with shape limiting elements |
WO2004021927A2 (en) * | 2002-09-05 | 2004-03-18 | Paracor Medical, Inc. | Cardiac harness |
US20070255093A1 (en) * | 2002-11-15 | 2007-11-01 | Lilip Lau | Cardiac harness delivery device and method |
US20050059855A1 (en) * | 2002-11-15 | 2005-03-17 | Lilip Lau | Cardiac harness delivery device and method |
US20070276179A1 (en) * | 2002-11-15 | 2007-11-29 | Paracor Medical, Inc. | Method of loading a cardiac harness in a housing |
US7736299B2 (en) * | 2002-11-15 | 2010-06-15 | Paracor Medical, Inc. | Introducer for a cardiac harness delivery |
JP2006506183A (ja) * | 2002-11-15 | 2006-02-23 | パラコー メディカル インコーポレイテッド | 心臓ハーネス送給装置 |
US7229405B2 (en) | 2002-11-15 | 2007-06-12 | Paracor Medical, Inc. | Cardiac harness delivery device and method of use |
US20050283042A1 (en) * | 2003-03-28 | 2005-12-22 | Steve Meyer | Cardiac harness having radiopaque coating and method of use |
US20040249242A1 (en) * | 2003-03-28 | 2004-12-09 | Lilip Lau | Multi-panel cardiac harness |
WO2004110257A2 (en) * | 2003-06-09 | 2004-12-23 | The University Of Cincinnati | Power system for a heart actuation device |
WO2004110553A1 (en) * | 2003-06-09 | 2004-12-23 | The University Of Cincinnati | Actuation mechanisms for a heart actuation device |
US20060178551A1 (en) * | 2003-06-09 | 2006-08-10 | Melvin David B | Securement system for a heart actuation device |
US7445593B2 (en) * | 2003-06-18 | 2008-11-04 | The Texas A&M University System | Device for proactive modulation of cardiac strain patterns |
US7494459B2 (en) * | 2003-06-26 | 2009-02-24 | Biophan Technologies, Inc. | Sensor-equipped and algorithm-controlled direct mechanical ventricular assist device |
EP1648333A2 (en) * | 2003-07-10 | 2006-04-26 | Paracor Medical, Inc. | Self-anchoring cardiac harness |
US20070106359A1 (en) * | 2003-11-07 | 2007-05-10 | Alan Schaer | Cardiac harness assembly for treating congestive heart failure and for pacing/sensing |
US7155295B2 (en) * | 2003-11-07 | 2006-12-26 | Paracor Medical, Inc. | Cardiac harness for treating congestive heart failure and for defibrillating and/or pacing/sensing |
US20070055091A1 (en) * | 2004-12-02 | 2007-03-08 | Lilip Lau | Cardiac harness for treating congestive heart failure and for defibrillating and/or pacing/sensing |
US20050137673A1 (en) * | 2003-11-07 | 2005-06-23 | Lilip Lau | Cardiac harness having electrodes and epicardial leads |
US7158839B2 (en) * | 2003-11-07 | 2007-01-02 | Paracor Medical, Inc. | Cardiac harness for treating heart disease |
US20050171589A1 (en) * | 2003-11-07 | 2005-08-04 | Lilip Lau | Cardiac harness and method of delivery by minimally invasive access |
US20070106336A1 (en) * | 2003-11-07 | 2007-05-10 | Alan Schaer | Cardiac harness assembly for treating congestive heart failure and for pacing/sensing |
US7282024B2 (en) * | 2004-01-12 | 2007-10-16 | Paracor Medical, Inc. | Cardiac harness having interconnected strands |
DE102004023191B3 (de) * | 2004-05-11 | 2005-12-15 | Ppa Technologies Ag | Vorrichtung zur epikardialen Unterstützung und/oder Übernahme der Herztätigkeit |
DE102004023192B3 (de) * | 2004-05-11 | 2005-12-15 | Ppa Technologies Ag | Vorrichtung zur epikardialen Unterstützung und/oder Übernahme der Herztätigkeit |
US11511102B2 (en) | 2004-06-17 | 2022-11-29 | The Texas A&M University System | Cardiac compression device having passive and active chambers |
US20060009675A1 (en) * | 2004-07-08 | 2006-01-12 | Steven Meyer | Self-anchoring cardiac harness for treating the heart and for defibrillating and/or pacing/sensing |
US20060009672A1 (en) * | 2004-07-12 | 2006-01-12 | Sumit Verma | Atrial fibrillation treatment and method |
US20060129026A1 (en) * | 2004-12-15 | 2006-06-15 | Joshua Wallin | Apparatus and method for mounting a cardiac harness on the heart |
US7871366B2 (en) * | 2005-04-06 | 2011-01-18 | The Texas A&M University System | Device for the modulation of cardiac end diastolic volume |
WO2006108177A2 (en) * | 2005-04-06 | 2006-10-12 | The Texas A & M University System | Device for proactive modulation of cardiac strain patterns |
US20070032696A1 (en) * | 2005-07-22 | 2007-02-08 | Sieu Duong | Cardiac harness delivery device |
US7587247B2 (en) * | 2005-08-01 | 2009-09-08 | Paracor Medical, Inc. | Cardiac harness having an optimal impedance range |
US7715918B2 (en) | 2005-10-18 | 2010-05-11 | University Of Cincinnati | Muscle energy converter with smooth continuous tissue interface |
CN101336119A (zh) * | 2005-11-28 | 2008-12-31 | 米奥特克有限责任公司 | 用于微创直接机械式心室促动的方法和装置 |
US20070287883A1 (en) * | 2006-06-07 | 2007-12-13 | Lilip Lau | Apparatus and method for pulling a cardiac harness onto a heart |
US8192351B2 (en) | 2007-08-13 | 2012-06-05 | Paracor Medical, Inc. | Medical device delivery system having integrated introducer |
US7733137B2 (en) * | 2007-10-16 | 2010-06-08 | International Business Machines Corporation | Design structures including multiple reference frequency fractional-N PLL (phase locked loop) |
US9642957B2 (en) | 2009-07-22 | 2017-05-09 | The Texas A&M University System | Diastolic recoil method and device for treatment of cardiac pathologies |
US8944986B2 (en) * | 2009-07-22 | 2015-02-03 | The Texas A&M University System | Biphasic and dynamic adjustable support devices and methods with assist and recoil capabilities for treatment of cardiac pathologies |
US20110196189A1 (en) * | 2010-02-09 | 2011-08-11 | Myocardiocare, Inc. | Extra-cardiac differential ventricular actuation by inertial and baric partitioning |
US20210379356A1 (en) * | 2011-10-18 | 2021-12-09 | The Texas A&M University System | Cardiac Compression Device Having Passive and Active Chambers |
EP2768548B1 (en) | 2011-10-18 | 2024-01-10 | The Texas A&M University System | Mechanisms for minimally invasive implantation of heart contacting cardiac devices |
US9833551B2 (en) | 2015-04-29 | 2017-12-05 | The Texas A&M University System | Fully implantable direct cardiac and aortic compression device |
AU2016291678B2 (en) | 2015-07-15 | 2019-03-14 | Corinnova Incorporated | Self-expanding heart assist device |
US10507271B2 (en) | 2016-06-23 | 2019-12-17 | Corinnova Incorporated | Fully implantable direct myocardium assist device |
US11896812B1 (en) | 2023-01-27 | 2024-02-13 | Lifebridge Technologies Llc | Versatile modular heart pump for non-blood contacting ventricular function augmentation |
US12115363B1 (en) | 2023-08-10 | 2024-10-15 | Lifebridge Technologies Llc | System and method for introducing a construct either on or around the surface of the heart |
US11383076B2 (en) | 2020-10-01 | 2022-07-12 | Lifebridge Technologies, Llc | Pump regulation based on heart size and function |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2826193A (en) * | 1956-08-01 | 1958-03-11 | Vineberg Heart Foundation | Cardiac resuscitation device |
US3034501A (en) * | 1958-08-05 | 1962-05-15 | Carl E Hewson | Inflatable heart massager |
US3053249A (en) * | 1959-08-25 | 1962-09-11 | Gorman Rupp Ind Inc | Cardiac massage apparatus |
US3376863A (en) * | 1966-02-09 | 1968-04-09 | Health Education Welfare Usa | Biventricular cardiac assister |
-
1967
- 1967-07-28 FR FR116158A patent/FR92798E/fr not_active Expired
- 1967-08-28 NL NL6711802A patent/NL6711802A/xx unknown
- 1967-09-04 BE BE703462A patent/BE703462A/xx unknown
- 1967-09-04 LU LU54418A patent/LU54418A1/xx unknown
- 1967-09-05 GB GB40556/67A patent/GB1184246A/en not_active Expired
- 1967-09-05 US US665412A patent/US3513836A/en not_active Expired - Lifetime
- 1967-09-05 DE DE19671566511 patent/DE1566511A1/de active Pending
- 1967-09-05 CH CH1237167A patent/CH471579A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR92798E (fr) | 1968-12-27 |
DE1566511A1 (de) | 1970-08-06 |
US3513836A (en) | 1970-05-26 |
NL6711802A (xx) | 1968-03-06 |
GB1184246A (en) | 1970-03-11 |
LU54418A1 (xx) | 1968-03-21 |
CH471579A (fr) | 1969-04-30 |