CA1154348A - Flow control equipment - Google Patents
Flow control equipmentInfo
- Publication number
- CA1154348A CA1154348A CA000345286A CA345286A CA1154348A CA 1154348 A CA1154348 A CA 1154348A CA 000345286 A CA000345286 A CA 000345286A CA 345286 A CA345286 A CA 345286A CA 1154348 A CA1154348 A CA 1154348A
- Authority
- CA
- Canada
- Prior art keywords
- flow
- signal
- valves
- circuit
- tidal volume
- 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
Links
- 239000012530 fluid Substances 0.000 claims abstract description 46
- 230000001276 controlling effect Effects 0.000 claims description 27
- 230000000694 effects Effects 0.000 claims description 17
- 230000003213 activating effect Effects 0.000 claims description 15
- 230000003434 inspiratory effect Effects 0.000 claims description 14
- 230000004044 response Effects 0.000 claims description 13
- 230000004913 activation Effects 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 230000009849 deactivation Effects 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000000977 initiatory effect Effects 0.000 claims description 4
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical group C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 claims description 4
- 208000036366 Sensation of pressure Diseases 0.000 claims description 2
- 230000007257 malfunction Effects 0.000 claims description 2
- 101150087426 Gnal gene Proteins 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 24
- 239000001301 oxygen Substances 0.000 abstract description 15
- 229910052760 oxygen Inorganic materials 0.000 abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 14
- 206010002091 Anaesthesia Diseases 0.000 abstract description 8
- 230000037005 anaesthesia Effects 0.000 abstract description 8
- 239000003990 capacitor Substances 0.000 description 34
- 239000004020 conductor Substances 0.000 description 23
- 238000004064 recycling Methods 0.000 description 13
- 238000012937 correction Methods 0.000 description 10
- 230000010354 integration Effects 0.000 description 10
- 230000000875 corresponding effect Effects 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000029058 respiratory gaseous exchange Effects 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 208000008784 apnea Diseases 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 101100204264 Arabidopsis thaliana STR4 gene Proteins 0.000 description 1
- 101100001677 Emericella variicolor andL gene Proteins 0.000 description 1
- 244000187656 Eucalyptus cornuta Species 0.000 description 1
- 244000228957 Ferula foetida Species 0.000 description 1
- 208000003251 Pruritus Diseases 0.000 description 1
- 101150076149 TROL gene Proteins 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 235000009991 pite Nutrition 0.000 description 1
- 244000293655 pite Species 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000007704 transition Effects 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
- A61M16/0057—Pumps therefor
- A61M16/0081—Bag or bellow in a bottle
-
- 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
- A61M16/0051—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes with alarm 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
- 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
- A61M16/0096—High frequency jet ventilation
-
- 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
- Y10T137/87265—Dividing into parallel flow paths with recombining
- Y10T137/87298—Having digital flow controller
Landscapes
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Measuring Volume Flow (AREA)
- Flow Control (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11,636 | 1979-02-12 | ||
| US06/011,636 US4256100A (en) | 1979-02-12 | 1979-02-12 | Flow control equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1154348A true CA1154348A (en) | 1983-09-27 |
Family
ID=21751323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000345286A Expired CA1154348A (en) | 1979-02-12 | 1980-02-08 | Flow control equipment |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4256100A (en, 2012) |
| EP (1) | EP0023910B1 (en, 2012) |
| JP (1) | JPS6129747B2 (en, 2012) |
| CA (1) | CA1154348A (en, 2012) |
| GB (1) | GB2053002B (en, 2012) |
| NL (1) | NL8020050A (en, 2012) |
| WO (1) | WO1980001646A1 (en, 2012) |
Families Citing this family (64)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4340044A (en) * | 1980-03-20 | 1982-07-20 | Berkshire Research Partners | Volume ventilator |
| SE430213B (sv) * | 1981-03-10 | 1983-10-31 | Siemens Elema Ab | Respirator, avsedd att anslutas till andningsvegarna pa menniska eller djur |
| US4478246A (en) * | 1981-08-10 | 1984-10-23 | Donnell Sherrod | Method and apparatus for proportioning of fuel usage by a fluid fueled apparatus |
| US4565207A (en) * | 1981-08-10 | 1986-01-21 | Donnell Sherrod | Method for proportioning fuel usage by a fluid fueled apparatus |
| US4448192A (en) * | 1982-03-05 | 1984-05-15 | Hewlett Packard Company | Medical ventilator device parametrically controlled for patient ventilation |
| DE3209413A1 (de) * | 1982-03-16 | 1983-09-22 | Carl A. Hoyer, Medizin-Technik, 2800 Bremen | Vorrichtung zur hochfrequenten maschinellen beatmung |
| US4803977A (en) * | 1982-03-25 | 1989-02-14 | Mallinckrodt, Inc. | Method and apparatus for the diagnosis of respiratory diseases and allergies |
| US4660547A (en) * | 1982-03-25 | 1987-04-28 | Mallinckrodt, Inc. | Method and apparatus for the diagnosis of respiratory diseases and allergies |
| US4637385A (en) * | 1986-01-13 | 1987-01-20 | Tibor Rusz | Pulmonary ventilator controller |
| FR2593299A1 (fr) * | 1986-01-20 | 1987-07-24 | Sfim | Systeme de commande de debit de fluide programmable et son utilisation dans les systemes respirateurs |
| EP0282675A3 (en) * | 1986-11-04 | 1990-01-03 | Bird Products Corporation | Flow control valve for a medical ventilator |
| US5474062A (en) * | 1987-11-04 | 1995-12-12 | Bird Products Corporation | Medical ventilator |
| US4883051A (en) * | 1988-02-18 | 1989-11-28 | Summa Vest, Inc. | Disposable breathing system and components |
| JPH0213550U (en, 2012) * | 1988-03-16 | 1990-01-29 | ||
| DE3900276A1 (de) * | 1989-01-07 | 1990-07-12 | Draegerwerk Ag | Beatmungsgeraet mit atemkreislauf und gesteuerter frischgaszufuhr |
| US5038771A (en) * | 1990-01-25 | 1991-08-13 | Dietz Henry G | Method and apparatus for respiratory therapy using intermittent flow having automatic adjustment of a dose of therapeutic gas to the rate of breathing |
| FI92286C (fi) * | 1992-02-21 | 1994-10-25 | Instrumentarium Oy | Laitteisto potilaalle hengitysjakson aikana toimitetun kaasutilavuuden säätämiseksi |
| DE9303693U1 (de) * | 1993-03-12 | 1993-04-29 | Siemens AG, 8000 München | Gasmischeinrichtung |
| EP0645119A3 (en) * | 1993-09-27 | 1998-04-15 | Ohmeda Inc. | Disabling apnoea volume software |
| FI95442C (fi) * | 1994-06-21 | 1996-02-12 | Instrumentarium Oy | Sovitelma ventilaattorin yhteydessä |
| BR9509306A (pt) * | 1994-10-14 | 1997-12-23 | Bird Products Corp | Dispositivo de ventilação com compressor rotatório de arrasto para ventilar pulm es de paciente mamífero compressor de arrasto válvula de exalação para controlar fluxo de gás expiratório processo para fornecer ventilação pulmonar dispositivo de ventilação com compressor rotatório de arrasto para distribuir fluxo de gás inspiratório válvula de exalação aparelho para misturar oxigênio e transdutor de fluxo para medição da taxa de fluxo de fluido |
| US5664563A (en) * | 1994-12-09 | 1997-09-09 | Cardiopulmonary Corporation | Pneumatic system |
| GB9511651D0 (en) * | 1995-06-08 | 1995-08-02 | Univ Wales Medicine | Blood Volume Measurement |
| US6158432A (en) * | 1995-12-08 | 2000-12-12 | Cardiopulmonary Corporation | Ventilator control system and method |
| US6463930B2 (en) | 1995-12-08 | 2002-10-15 | James W. Biondi | System for automatically weaning a patient from a ventilator, and method thereof |
| ATE228869T1 (de) * | 1996-02-27 | 2002-12-15 | Koster Henk W | Atmungs-system mit zusätzlicher verabreichung von gas |
| ES2142195B1 (es) * | 1996-05-10 | 2000-11-01 | Hernandez Abadia De Barbara Al | Ventilador mecanico automatico capaz de funcionar adecuadamente en distintos ambientes de presion, especialmente en ambientes de presion extremas. |
| ES2152128B1 (es) * | 1996-05-10 | 2001-08-01 | Abadia De Barbara Al Hernandez | Mejoras introducidas en la patente principal num. 9601063, del ventilador mecanico automatico capaz de funcionar adecuadamente en distintos ambientes de presion, incluso en ambientes de presion extrema. |
| FI974148L (fi) * | 1997-11-05 | 1999-05-06 | Instrumentarium Oy | Menetelmä ja sovitelma hengityslaitteen yhteydessä |
| DE19914282A1 (de) * | 1999-03-30 | 2000-10-05 | Leybold Vakuum Gmbh | Sperrgas-Ventileinrichtung |
| US6135967A (en) * | 1999-04-26 | 2000-10-24 | Fiorenza; Anthony Joseph | Respiratory ventilator with automatic flow calibration |
| US6240919B1 (en) | 1999-06-07 | 2001-06-05 | Macdonald John J. | Method for providing respiratory airway support pressure |
| US6962155B1 (en) * | 1999-07-30 | 2005-11-08 | Universite De Montreal | Target drive ventilation gain controller and method |
| US6240959B1 (en) * | 1999-12-30 | 2001-06-05 | Donald M. Loper | Hydraulic safety fuse device |
| US6976489B2 (en) | 2000-06-30 | 2005-12-20 | Northgate Technologies, Inc. | Method and apparatus for humidification and warming of air |
| DE10205845C1 (de) * | 2002-02-13 | 2002-10-31 | Draeger Medical Ag | Gasmischer mit mehreren Ejektoren für ein medizinisches Beatmungsgerät |
| US7165494B2 (en) * | 2002-11-15 | 2007-01-23 | Graymills Corporation | System and method for delivering and flushing ink and other liquids in a printing press |
| CN102715904A (zh) * | 2005-05-10 | 2012-10-10 | 恩斯拜尔保健公司 | 用于分析肺性能的设备 |
| EP1772098B1 (en) * | 2005-10-10 | 2014-02-26 | CareFusion Germany 234 GmbH | Measuring head for diagnostic instruments and method |
| JP4814706B2 (ja) * | 2006-06-27 | 2011-11-16 | 株式会社フジキン | 流量比可変型流体供給装置 |
| US8211052B1 (en) | 2006-07-13 | 2012-07-03 | Lexion Medical Llc | Charged hydrator |
| US20080202517A1 (en) * | 2007-02-23 | 2008-08-28 | General Electric Company | Setting madatory mechanical ventilation parameters based on patient physiology |
| US20080202520A1 (en) * | 2007-02-23 | 2008-08-28 | General Electric Company | Setting mandatory mechanical ventilation parameters based on patient physiology |
| US20080202519A1 (en) * | 2007-02-23 | 2008-08-28 | General Electric Company | Setting mandatory mechanical ventilation parameters based on patient physiology |
| US20080202518A1 (en) * | 2007-02-23 | 2008-08-28 | General Electric Company | Setting mandatory mechanical ventilation parameters based on patient physiology |
| US20080202523A1 (en) * | 2007-02-23 | 2008-08-28 | General Electric Company | Setting mandatory mechanical ventilation parameters based on patient physiology |
| US20080230061A1 (en) * | 2007-03-23 | 2008-09-25 | General Electric Company | Setting expiratory time in mandatory mechanical ventilation based on a deviation from a stable condition of end tidal gas concentrations |
| US20080230060A1 (en) * | 2007-03-23 | 2008-09-25 | General Electric Company | Setting inspiratory time in mandatory mechanical ventilation based on patient physiology, such as when tidal volume is inspired |
| US20080230063A1 (en) * | 2007-03-23 | 2008-09-25 | General Electric Company | Setting inspiratory time in mandatory mechanical ventilation based on patient physiology, such as forced inhalation time |
| US20080230064A1 (en) * | 2007-03-23 | 2008-09-25 | General Electric Company | Setting inspiratory time in mandatory mechanical ventilation based on patient physiology, such as when forced inhalation flow ceases |
| US8656913B2 (en) * | 2007-06-05 | 2014-02-25 | Allied Healthcare Products, Inc. | Ventilator apparatus |
| WO2009123977A1 (en) * | 2008-03-31 | 2009-10-08 | Nellcor Puritan Bennett Llc | Ventilator based on a fluid equivalent of the "digital to analog voltage" concept |
| CN101301503B (zh) * | 2008-06-26 | 2010-06-02 | 上海力申科学仪器有限公司 | 麻醉机潮气量的自动标定方法 |
| US9283339B2 (en) * | 2009-05-18 | 2016-03-15 | Zoll Medical Corporation | Life support and monitoring apparatus with malfunction correction guidance |
| GB0908523D0 (en) * | 2009-05-19 | 2009-06-24 | Art Of Xen Ltd | Ventilator apparatus |
| DE102012017207A1 (de) * | 2012-08-31 | 2014-03-06 | Robert Bosch Gmbh | Verfahren zum Ansteuern einer hydraulischen Ventilanordnung und hydraulische Ventilanordnung |
| US8631790B1 (en) * | 2012-11-30 | 2014-01-21 | Christopher A. Di Capua | Automated ventilator with assisted compressions |
| US10036568B2 (en) | 2013-03-15 | 2018-07-31 | Trane International, Inc. | Fluid flow measurement and control |
| CN104759043B (zh) * | 2015-04-07 | 2017-12-26 | 杨彬 | 一种便携式的智能呼吸机及其智能调控系统 |
| CN106730195B (zh) * | 2016-11-29 | 2019-04-30 | 湖南水口山有色金属集团有限公司 | 一种呼吸机通气控制电路 |
| US10206608B2 (en) | 2017-06-01 | 2019-02-19 | Nspire Health, Inc. | Apparatus and methods for calibrating and/or validating pulmonary function test equipment |
| CN107376080A (zh) * | 2017-08-03 | 2017-11-24 | 张乙莲 | 一种麻醉科专用的麻醉机 |
| US11567549B2 (en) * | 2019-05-31 | 2023-01-31 | Texas Instruments Incorporated | Reset circuit for battery management system |
| US20220062577A1 (en) * | 2020-08-27 | 2022-03-03 | Kelly Pneumatics, Inc. | Ventilator assembly and mixing system therefor |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3033195A (en) * | 1957-09-16 | 1962-05-08 | Air Reduction | Respirator apparatus and method |
| US3072146A (en) * | 1959-09-24 | 1963-01-08 | Gizeski Terrence | Digital regulator valve |
| US3741208A (en) * | 1971-02-23 | 1973-06-26 | B Jonsson | Lung ventilator |
| US3726296A (en) * | 1971-08-09 | 1973-04-10 | Process Systems | Fluidic control system and method for calibrating same |
| US3921628A (en) * | 1971-08-19 | 1975-11-25 | Philips Corp | Medical ventilators |
| US4036221A (en) * | 1972-05-01 | 1977-07-19 | Sutter Hospitals Medical Research Foundation | Respirator |
| US3840006A (en) * | 1973-04-26 | 1974-10-08 | Department Of Health Education | Respirator |
| US3827457A (en) * | 1973-06-22 | 1974-08-06 | Westinghouse Air Brake Co | Fluid pressure system for converting digital signals to analog signals |
| US3905363A (en) * | 1973-11-19 | 1975-09-16 | Ram Research Inc | Dual mode fluidic ventilator |
| USRE29383E (en) * | 1974-01-10 | 1977-09-06 | Process Systems, Inc. | Digital fluid flow rate measurement or control system |
| US3942553A (en) * | 1974-01-10 | 1976-03-09 | Process Systems, Inc. | Digital fluid flow control system with trim adjustment |
| US4001700A (en) * | 1974-04-16 | 1977-01-04 | Sutter Hospitals Medical Research Foundation | Digital waveform generator for automatic respiratory ventilators |
| SE435017B (sv) * | 1976-10-26 | 1984-09-03 | Puritan Bennett Corp | Lungventilator |
| US4134423A (en) * | 1977-09-01 | 1979-01-16 | Suntech, Inc. | Flowrate control means |
| SE409175B (sv) * | 1977-11-29 | 1979-08-06 | Aga Ab | Anordning vid en respirator for metning av till en patient tillford gasmengd |
| US4170245A (en) * | 1978-03-03 | 1979-10-09 | Fmc Corporation | Digital control valve |
| IT1096151B (it) * | 1978-03-16 | 1985-08-17 | Savelli Aulo | Respiratore artificiale automatico,in particolare per sale di rianimazione e per anestesia |
-
1979
- 1979-02-12 US US06/011,636 patent/US4256100A/en not_active Expired - Lifetime
-
1980
- 1980-01-31 WO PCT/US1980/000091 patent/WO1980001646A1/en not_active Application Discontinuation
- 1980-01-31 NL NL8020050A patent/NL8020050A/nl not_active Application Discontinuation
- 1980-01-31 JP JP55500483A patent/JPS6129747B2/ja not_active Expired
- 1980-01-31 GB GB8032891A patent/GB2053002B/en not_active Expired
- 1980-02-08 CA CA000345286A patent/CA1154348A/en not_active Expired
- 1980-08-25 EP EP80900358A patent/EP0023910B1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0023910A1 (en) | 1981-02-18 |
| NL8020050A (nl) | 1980-11-28 |
| GB2053002A (en) | 1981-02-04 |
| JPS56500199A (en, 2012) | 1981-02-26 |
| EP0023910A4 (en) | 1981-10-27 |
| WO1980001646A1 (en) | 1980-08-21 |
| EP0023910B1 (en) | 1984-05-23 |
| JPS6129747B2 (en, 2012) | 1986-07-09 |
| US4256100A (en) | 1981-03-17 |
| GB2053002B (en) | 1983-06-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |