IL43202A - An extracorporeal blood circuit comprising a blood oxygenator and pumps - Google Patents
An extracorporeal blood circuit comprising a blood oxygenator and pumpsInfo
- Publication number
- IL43202A IL43202A IL43202A IL4320273A IL43202A IL 43202 A IL43202 A IL 43202A IL 43202 A IL43202 A IL 43202A IL 4320273 A IL4320273 A IL 4320273A IL 43202 A IL43202 A IL 43202A
- Authority
- IL
- Israel
- Prior art keywords
- blood
- pump
- circuit according
- blood circuit
- pressure
- Prior art date
Links
- 239000008280 blood Substances 0.000 title claims description 97
- 210000004369 blood Anatomy 0.000 title claims description 97
- 239000012528 membrane Substances 0.000 claims description 27
- 230000002572 peristaltic effect Effects 0.000 claims description 24
- 230000036772 blood pressure Effects 0.000 claims description 13
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 12
- 229910052753 mercury Inorganic materials 0.000 claims description 12
- 238000003303 reheating Methods 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 210000001367 artery Anatomy 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000012982 microporous membrane Substances 0.000 claims 2
- 239000005871 repellent Substances 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 230000017531 blood circulation Effects 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000004872 arterial blood pressure Effects 0.000 description 4
- 230000002612 cardiopulmonary effect Effects 0.000 description 4
- 229920002379 silicone rubber Polymers 0.000 description 4
- 210000003462 vein Anatomy 0.000 description 4
- 206010018910 Haemolysis Diseases 0.000 description 3
- 230000000747 cardiac effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000008588 hemolysis Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000004087 circulation Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000001706 oxygenating effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 210000001631 vena cava inferior Anatomy 0.000 description 2
- 230000002861 ventricular Effects 0.000 description 2
- 241001631457 Cannula Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000003444 anaesthetic effect Effects 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003205 diastolic effect Effects 0.000 description 1
- 210000001105 femoral artery Anatomy 0.000 description 1
- 210000003191 femoral vein Anatomy 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 230000007721 medicinal effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 230000008320 venous blood flow Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1698—Blood oxygenators with or without heat-exchangers
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3623—Means for actively controlling temperature of blood
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Cardiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
- Vehicle Body Suspensions (AREA)
- Reciprocating Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7232286A FR2198759B1 (en(2012)) | 1972-09-12 | 1972-09-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
IL43202A0 IL43202A0 (en) | 1973-11-28 |
IL43202A true IL43202A (en) | 1977-01-31 |
Family
ID=9104158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL43202A IL43202A (en) | 1972-09-12 | 1973-09-11 | An extracorporeal blood circuit comprising a blood oxygenator and pumps |
Country Status (20)
Country | Link |
---|---|
US (1) | US3881483A (en(2012)) |
JP (2) | JPS5330277B2 (en(2012)) |
BE (1) | BE804735A (en(2012)) |
BR (1) | BR7307021D0 (en(2012)) |
CA (1) | CA1028913A (en(2012)) |
CH (2) | CH575764A5 (en(2012)) |
DD (1) | DD107210A5 (en(2012)) |
DE (2) | DE2345994C3 (en(2012)) |
DK (1) | DK142803B (en(2012)) |
ES (1) | ES418707A1 (en(2012)) |
FR (1) | FR2198759B1 (en(2012)) |
GB (2) | GB1437494A (en(2012)) |
IE (1) | IE40136B1 (en(2012)) |
IL (1) | IL43202A (en(2012)) |
IT (2) | IT1001541B (en(2012)) |
LU (1) | LU68403A1 (en(2012)) |
NL (1) | NL157805B (en(2012)) |
NO (1) | NO133574C (en(2012)) |
SE (2) | SE401091B (en(2012)) |
ZA (1) | ZA737272B (en(2012)) |
Families Citing this family (67)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5242000B2 (en(2012)) * | 1973-10-01 | 1977-10-21 | ||
FR2287241A2 (fr) * | 1974-10-09 | 1976-05-07 | Rhone Poulenc Ind | Circuit sanguin extracorporel |
FR2364662B2 (fr) * | 1976-09-17 | 1979-07-27 | Inst Nat Sante Rech Med | Appareil de reinstillation pour la reanimation generale et digestive |
US4083777A (en) * | 1976-09-07 | 1978-04-11 | Union Carbide Corporation | Portable hemodialysis system |
DE2754810C3 (de) * | 1977-12-09 | 1980-12-11 | Dr. Eduard Fresenius Chemisch-Pharmazeutische Industrie Kg Apparatebau Kg, 6380 Bad Homburg | Hämofiltrationsgerät |
DE2754894C2 (de) * | 1977-12-09 | 1983-10-13 | Fresenius AG, 6380 Bad Homburg | Vorrichtung zum Bilanzieren einer einem Patienten entnommenen Flüssigkeit mit einer Ersatzflüssigkeit |
US4192302A (en) * | 1978-09-12 | 1980-03-11 | Boddie Arthur W | Hepatic isolation and perfusion circuit assembly |
JPS565698A (en) * | 1979-06-27 | 1981-01-21 | Hitachi Ltd | Hydroextracting tank in synthetic resin |
JPS568098A (en) * | 1979-07-02 | 1981-01-27 | Hitachi Ltd | Hydroextracting tank in synthetic resin |
EP0174478B1 (de) * | 1981-09-10 | 1991-12-11 | B. Braun Holding AG | Verfahren zur selektiven extrakorporalen Präzipitation von Low Density Lipoproteinen aus Vollserum oder Plasma |
FR2519555A1 (fr) * | 1982-01-11 | 1983-07-18 | Rhone Poulenc Sa | Appareillage et procede de plasmapherese alternative avec appareil a membrane |
DE3204317C1 (de) * | 1982-02-09 | 1983-06-09 | Sartorius GmbH, 3400 Göttingen | Kardioplegisches Steuer- und Regelgeraet |
US4469659B1 (en) * | 1982-04-26 | 1997-07-29 | Cobe Lab | Sampling device for blood oxygenator |
JPS58190447A (ja) * | 1982-04-30 | 1983-11-07 | 株式会社クラレ | 脈動発生装置 |
US4490135A (en) * | 1982-09-24 | 1984-12-25 | Extracorporeal Medical Specialties, Inc. | Single needle alternating blood flow system |
US4540399A (en) * | 1983-02-01 | 1985-09-10 | Ken Litzie | Emergency bypass system |
US4776837A (en) * | 1983-06-21 | 1988-10-11 | Kopp Klaus F | Single lumen catheter fluid treatment |
FR2548907B1 (fr) * | 1983-07-13 | 1985-11-08 | Rhone Poulenc Sa | Procede de plasmapherese et appareillage utilisable notamment pour ce procede |
US4778445A (en) * | 1984-07-09 | 1988-10-18 | Minnesota Mining And Manufacturing Company | Centrifugal blood pump with backflow detection |
IT8453709U1 (it) * | 1984-08-07 | 1986-02-07 | Hospal Dasco Spa | Apparecchiatura di tipo perfezionato per la circolazione di un liquido lungo una linea tubolare. |
US4908014A (en) * | 1986-03-10 | 1990-03-13 | Kroyer K K K | Extracorporal thermo-therapy device and method for curing diseases |
US4787883A (en) * | 1986-03-10 | 1988-11-29 | Kroyer K K K | Extracorporal thermo-therapy device and method for curing diseases |
US4828543A (en) * | 1986-04-03 | 1989-05-09 | Weiss Paul I | Extracorporeal circulation apparatus |
US5254094A (en) * | 1989-07-17 | 1993-10-19 | Starkey David L | Physiological fluid warmer |
US5270004A (en) * | 1989-10-01 | 1993-12-14 | Minntech Corporation | Cylindrical blood heater/oxygenator |
US5578267A (en) * | 1992-05-11 | 1996-11-26 | Minntech Corporation | Cylindrical blood heater/oxygenator |
US5827222A (en) * | 1990-10-10 | 1998-10-27 | Life Resuscitation Technologies, Inc. | Method of treating at least one of brain and associated nervous tissue injury |
USRE37379E1 (en) | 1991-02-14 | 2001-09-18 | Wayne State University | High pressure gas exchanger |
US5391142A (en) * | 1992-07-29 | 1995-02-21 | Organetics, Ltd. | Apparatus and method for the extracorporeal treatment of the blood of a patient having a medical condition |
US5540653A (en) * | 1992-10-23 | 1996-07-30 | Datascope Investment Corp. | Preassembled bypass circuit |
US6312647B1 (en) | 1994-12-09 | 2001-11-06 | Wayne State University | Method for enriching a fluid with oxygen |
US5957879A (en) | 1997-01-24 | 1999-09-28 | Heartport, Inc. | Methods and devices for maintaining cardiopulmonary bypass and arresting a patient's heart |
US6723284B1 (en) | 1997-04-11 | 2004-04-20 | University Of Pittsburgh | Membrane apparatus with enhanced mass transfer, heat transfer and pumping capabilities via active mixing |
US6106776A (en) * | 1997-04-11 | 2000-08-22 | University Of Pittsburgh | Membrane apparatus with enhanced mass transfer via active mixing |
DE19723671C2 (de) * | 1997-06-05 | 2001-07-19 | Stoeckert Instr Gmbh | Herz-Lungen-Maschine mit mehr als zwei Blutpumpen |
US6736790B2 (en) * | 1998-02-25 | 2004-05-18 | Denise R. Barbut | Method and system for selective or isolated integrate cerebral perfusion and cooling |
US6485450B1 (en) | 1998-03-16 | 2002-11-26 | Life Science Holdings, Inc. | Brain resuscitation apparatus and method |
WO2000009200A1 (en) | 1998-08-12 | 2000-02-24 | Coaxia, Inc. | Intravascular methods and apparatus for isolation and selective cooling of the cerebral vasculature during surgical procedures |
US6224829B1 (en) | 1998-12-30 | 2001-05-01 | Cadiovention, Inc. | Integrated blood oxygenator and pump system having means for reducing fiber breakage |
US6379618B1 (en) * | 1998-12-30 | 2002-04-30 | Cardiovention, Inc. | Integrated blood oxygenator and pump system having means for reducing microbubble generation |
US6454999B1 (en) | 1998-12-30 | 2002-09-24 | Cardiovention, Inc. | Integrated blood pump and oxygenator system having extended blood flow path |
US6428747B1 (en) | 1998-12-30 | 2002-08-06 | Cardiovention, Inc. | Integrated extracorporeal blood oxygenator, pump and heat exchanger system |
US6759008B1 (en) | 1999-09-30 | 2004-07-06 | Therox, Inc. | Apparatus and method for blood oxygenation |
DE10017847C1 (de) * | 2000-04-11 | 2002-04-25 | Stoeckert Instr Gmbh | Herz-Lungen-Maschine mit druckmittelbetätigten Steuerorganen |
DE20011060U1 (de) | 2000-06-23 | 2000-09-28 | JOSTRA AG, 72145 Hirrlingen | Vorrichtung zur Unterstützung der Lungenfunktion eines Patienten |
US7008535B1 (en) | 2000-08-04 | 2006-03-07 | Wayne State University | Apparatus for oxygenating wastewater |
US6582387B2 (en) * | 2001-03-20 | 2003-06-24 | Therox, Inc. | System for enriching a bodily fluid with a gas |
AT412060B (de) * | 2001-07-06 | 2004-09-27 | Schaupp Lukas Dipl Ing Dr Tech | Verfahren zur messung von konzentrationen in lebenden organismen mittels mikrodialyse und und vorrichtung zur durchführung dieses verfahrens |
US20030204172A1 (en) * | 2002-04-25 | 2003-10-30 | Steppe Dennis L. | Aspiration system |
US6887220B2 (en) * | 2002-09-12 | 2005-05-03 | Gore Enterprise Holdings, Inc. | Catheter having a compliant member configured to regulate aspiration rates |
US8465467B2 (en) * | 2006-09-14 | 2013-06-18 | Novartis Ag | Method of controlling an irrigation/aspiration system |
US20090259089A1 (en) * | 2008-04-10 | 2009-10-15 | Daniel Gelbart | Expandable catheter for delivery of fluids |
JP5117963B2 (ja) * | 2008-09-17 | 2013-01-16 | アークレイ株式会社 | 分析装置 |
JP5097657B2 (ja) * | 2008-09-17 | 2012-12-12 | アークレイ株式会社 | 分析方法 |
WO2010043593A1 (en) * | 2008-10-14 | 2010-04-22 | Gambro Lundia Ab | Blood treatment apparatus and method |
WO2013119482A1 (en) * | 2012-02-06 | 2013-08-15 | Michael Friedman | Apparatus and methods for controlled delivery of heated fluids to a subject |
ITBO20120197A1 (it) * | 2012-04-12 | 2013-10-13 | Medical Service S R L | Apparecchiatura utilizzabile in procedure di ventilazione meccanica o assistita |
US9561315B1 (en) * | 2013-02-19 | 2017-02-07 | Jay Vincelli | Miniaturized cardiopulmonary bypass circuit for a mouse model |
US9624920B2 (en) * | 2013-10-14 | 2017-04-18 | Elwha Llc | Peristaltic pump systems and methods |
US9541081B2 (en) * | 2013-10-14 | 2017-01-10 | Elwha Llc | Peristaltic pump systems and methods |
AU2015397182B2 (en) | 2015-06-01 | 2020-09-10 | Asia Pacific Medical Technology Development Company, Ltd | Systems and methods for extracorporeal support |
US9814824B2 (en) | 2015-06-01 | 2017-11-14 | Asia Pacific Medical Technology Development Company, Ltd | Systems and methods for extracorporeal support |
US10265460B2 (en) | 2015-11-04 | 2019-04-23 | Asia Pacific Medical Technology Development Company, Ltd. | Systems and methods for providing zones of selective thermal therapy |
US10213542B2 (en) | 2015-11-04 | 2019-02-26 | Asia Pacific Medical Technology Development Company, Ltd | Systems and methods for flow stagnation control |
CN105536086A (zh) * | 2016-02-23 | 2016-05-04 | 南京医科大学第一附属医院 | 一种多功能ecmo循环管道及利用其进行体外膜肺氧合的方法 |
DE102019131369A1 (de) * | 2019-11-20 | 2021-05-20 | Rheinisch-Westfälische Technische Hochschule (Rwth) Aachen | Oxygenatorvorrichtung |
DE102021129141A1 (de) * | 2021-11-09 | 2023-05-11 | Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Körperschaft des öffentlichen Rechts | Anreicherung von Fluiden unter Druck mit Anreicherungsgas |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL174966B (nl) * | 1952-01-03 | Spanel Abram Nathaniel | Inrichting voor het afsnijden van stukken garen van een continue garenstreng. | |
US2927582A (en) * | 1956-03-19 | 1960-03-08 | Research Corp | Pump-oxygenator |
US3017885A (en) * | 1959-03-30 | 1962-01-23 | Robicsek Francis | Blood flow meter |
US3359910A (en) * | 1965-06-10 | 1967-12-26 | Little Inc A | Apparatus for programming fluid flow |
-
1972
- 1972-09-12 FR FR7232286A patent/FR2198759B1/fr not_active Expired
-
1973
- 1973-09-04 NL NL7312213.A patent/NL157805B/xx not_active IP Right Cessation
- 1973-09-10 DD DD173384A patent/DD107210A5/xx unknown
- 1973-09-11 GB GB493375A patent/GB1437494A/en not_active Expired
- 1973-09-11 NO NO3550/73A patent/NO133574C/no unknown
- 1973-09-11 IL IL43202A patent/IL43202A/en unknown
- 1973-09-11 SE SE7312376A patent/SE401091B/xx unknown
- 1973-09-11 CH CH1297073A patent/CH575764A5/xx not_active IP Right Cessation
- 1973-09-11 BR BR7021/73A patent/BR7307021D0/pt unknown
- 1973-09-11 LU LU68403A patent/LU68403A1/xx unknown
- 1973-09-11 BE BE135558A patent/BE804735A/xx not_active IP Right Cessation
- 1973-09-11 CA CA180,739A patent/CA1028913A/en not_active Expired
- 1973-09-11 DK DK500073AA patent/DK142803B/da unknown
- 1973-09-11 GB GB4273273A patent/GB1437493A/en not_active Expired
- 1973-09-11 CH CH23675A patent/CH573051A5/xx not_active IP Right Cessation
- 1973-09-12 US US396603A patent/US3881483A/en not_active Expired - Lifetime
- 1973-09-12 DE DE2345994A patent/DE2345994C3/de not_active Expired
- 1973-09-12 IT IT28852/73A patent/IT1001541B/it active
- 1973-09-12 JP JP10228273A patent/JPS5330277B2/ja not_active Expired
- 1973-09-12 ES ES418707A patent/ES418707A1/es not_active Expired
- 1973-09-12 IE IE1622/73A patent/IE40136B1/xx unknown
- 1973-09-12 DE DE19737333119U patent/DE7333119U/de not_active Expired
- 1973-09-12 ZA ZA737272*A patent/ZA737272B/xx unknown
-
1975
- 1975-01-09 SE SE7500214A patent/SE414705B/xx unknown
- 1975-12-01 IT IT29870/75A patent/IT1059535B/it active
-
1977
- 1977-02-25 JP JP52019419A patent/JPS6042724B2/ja not_active Expired
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