ES279722U - Filtro para liquido apropiado para ser utilizado en un circuito extracorporeo de circulacion de sangre. - Google Patents
Filtro para liquido apropiado para ser utilizado en un circuito extracorporeo de circulacion de sangre.Info
- Publication number
- ES279722U ES279722U ES1982279722U ES279722U ES279722U ES 279722 U ES279722 U ES 279722U ES 1982279722 U ES1982279722 U ES 1982279722U ES 279722 U ES279722 U ES 279722U ES 279722 U ES279722 U ES 279722U
- Authority
- ES
- Spain
- Prior art keywords
- filter element
- filter
- housing
- arterial blood
- disclosed
- 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.)
- Granted
Links
- 239000008280 blood Substances 0.000 title abstract 3
- 210000004369 blood Anatomy 0.000 title abstract 3
- 238000013022 venting Methods 0.000 title 1
- 239000007788 liquid Substances 0.000 abstract 3
- 230000017531 blood circulation Effects 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/001—Filters in combination with devices for the removal of gas, air purge systems
-
- 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
- A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D27/00—Cartridge filters of the throw-away type
- B01D27/005—Making filter elements not provided for elsewhere
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D27/00—Cartridge filters of the throw-away type
- B01D27/08—Construction of the casing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
- B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
- B01D29/908—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding provoking a tangential stream
-
- 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
- A61M2206/00—Characteristics of a physical parameter; associated device therefor
- A61M2206/10—Flow characteristics
- A61M2206/16—Rotating swirling helical flow, e.g. by tangential inflows
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/21—Specific headers, end caps
Landscapes
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Cardiology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
- Filtration Of Liquid (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Filtro para líquido apropiado para ser utilizado en un circuito extracorpóreo de circulación de sangre, que incluye: una envoltura tubular hueca que tiene una pared lateral, una pared superior que presenta un punto más alto en su centro, y una pared de fondo, una salida de gas en dicha pared superior en dicho punto más alto, un núcleo tubular perforado dispuesto concéntricamente en el interior de dicha envoltura, un elemento de filtro cilíndrico que rodea dicho núcleo y que esta desplazado con relación a dicha pared lateral, una cubierta de elemento de filtro que cubre las extremidades superiores de dicho núcleo y de dicho elemento de filtro y que está desplazada con relación a dicha pared superior, una entrada de líquido sustancialmente horizontal formada en dicha pared lateral en un punto adyacente de dicha pared superior, y una salida de filtrado formada en dicha pared inferior de dicha envoltura y en comunicación con el espacio interior de dicho núcleo, siendo la superficie superior dedicha cubierta del elemento de filtro simétrica alrededor del eje longitudinal de dicha envoltura, teniendo un punto más elevado en su centro, y estando desprovista de cualquier punto de altura mínima localizada, y estando adaptada dicha entrada para dirigir la circulación entrante del líquido de manera no perpendicular contra la pared lateral de dicha envoltura, con lo cual se establece una circulación turbulenta de líquido al exterior de dicho elemento de filtro y encima de dicha cubierta del elemento de filtro.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/333,832 US4411783A (en) | 1981-12-23 | 1981-12-23 | Arterial blood filter with improved gas venting |
Publications (2)
Publication Number | Publication Date |
---|---|
ES279722U true ES279722U (es) | 1986-04-16 |
ES279722Y ES279722Y (es) | 1986-12-01 |
Family
ID=23304444
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES1982279722U Expired ES279722Y (es) | 1981-12-23 | 1982-12-21 | Filtro para liquido apropiado para ser utilizado en un circuito extracorporeo de circulacion de sangre. |
ES1984278937U Expired ES278937Y (es) | 1981-12-23 | 1984-04-18 | Envoltura tubular para un filtro de liquido apropiado para ser utilizado en un circuito extracorporeo de circulacion de sangre. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES1984278937U Expired ES278937Y (es) | 1981-12-23 | 1984-04-18 | Envoltura tubular para un filtro de liquido apropiado para ser utilizado en un circuito extracorporeo de circulacion de sangre. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4411783A (es) |
EP (2) | EP0082721B1 (es) |
JP (1) | JPS58112549A (es) |
CA (1) | CA1182401A (es) |
DE (1) | DE3278279D1 (es) |
ES (2) | ES279722Y (es) |
Families Citing this family (91)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE432195B (sv) * | 1982-09-10 | 1984-03-26 | Gambro Lundia Ab | Slangset avsett for extracorporeal behandling av blod och liknande omtaliga vetskor |
JPS59228849A (ja) * | 1983-06-10 | 1984-12-22 | テルモ株式会社 | 液体中気泡除去装置 |
SE451801B (sv) * | 1983-11-29 | 1987-11-02 | Gambro Lundia Ab | Anordning for avluftning av en vetska, som strommar genom en ledning |
US4572724A (en) * | 1984-04-12 | 1986-02-25 | Pall Corporation | Blood filter |
US4731260A (en) * | 1984-12-18 | 1988-03-15 | American Hospital Supply Corporation | Hydrophobic filter material and method |
US4676771A (en) * | 1986-03-31 | 1987-06-30 | Gelman Sciences, Inc. | Arterial blood filter |
IT1189119B (it) * | 1986-05-12 | 1988-01-28 | Dideco Spa | Ossigenatore a membrana microporosa |
IT1189118B (it) * | 1986-05-12 | 1988-01-28 | Dideco Spa | Dispositivo per la filtrazione di sangue arterioso |
US4726481A (en) * | 1986-08-01 | 1988-02-23 | Mckesson Corporation | Ultrasonically welded container and process |
JPH01148266A (ja) * | 1987-12-04 | 1989-06-09 | Terumo Corp | 血液フィルター |
JPH01104150U (es) * | 1987-12-29 | 1989-07-13 | ||
US4806135A (en) * | 1988-03-01 | 1989-02-21 | Siposs George G | Bubble trap for phase-separating gas bubbles from flowing liquids |
US5061241A (en) * | 1989-01-19 | 1991-10-29 | Stephens Jr Harry W | Rapid infusion device |
IL93093A (en) * | 1989-01-19 | 1994-11-11 | Norman James Manley | Fast injection facility |
IT1231024B (it) * | 1989-07-31 | 1991-11-08 | Dideco Spa | Contenitore di sangue per apparecchio medicale |
US5126054A (en) * | 1990-05-24 | 1992-06-30 | Pall Corporation | Venting means |
US5863436A (en) * | 1990-05-24 | 1999-01-26 | Pall Corporation | Venting system |
US5391298B1 (en) * | 1993-03-05 | 1997-10-28 | Minnesota Mining & Mfg | Method for performing a solid-phase extraction under pressurized conditions |
US5439587A (en) * | 1993-07-27 | 1995-08-08 | Millipore Corporation | Self priming filter apparatus |
DE4430341C2 (de) * | 1993-08-27 | 1997-01-09 | Hengst Walter Gmbh & Co Kg | Stützkörper für einen Fluidfilter |
CA2142413A1 (en) * | 1994-02-15 | 1995-08-16 | Wesley H. Verkarrt | Vortex gas elimination device |
US5632894A (en) * | 1994-06-24 | 1997-05-27 | Gish Biomedical, Inc. | Arterial blood filter with upwardly inclining delivery inlet conduit |
US5591344A (en) * | 1995-02-13 | 1997-01-07 | Aksys, Ltd. | Hot water disinfection of dialysis machines, including the extracorporeal circuit thereof |
AU5230496A (en) * | 1995-06-13 | 1997-01-02 | Pall Corporation | Filtration device |
USD384415S (en) * | 1995-06-30 | 1997-09-30 | Cellpro Incorporated | Cell separation column |
DE19617036C2 (de) * | 1996-04-27 | 2003-12-04 | Fresenius Ag | Vorrichtung zum Abscheiden von Gasblasen aus Blut |
US6378907B1 (en) | 1996-07-12 | 2002-04-30 | Mykrolis Corporation | Connector apparatus and system including connector apparatus |
US5961700A (en) * | 1997-10-31 | 1999-10-05 | Sims Level 1 | Filter system for removal of gas and particulates from cellular fluids |
US6019824A (en) * | 1998-06-09 | 2000-02-01 | Medisystems Technology Corporation | Bubble trap chamber |
US6337049B1 (en) * | 1998-08-28 | 2002-01-08 | Yehuda Tamari | Soft shell venous reservoir |
US6918887B1 (en) | 1999-02-17 | 2005-07-19 | Medtronic, Inc. | Venous filter for assisted venous return |
US6302860B1 (en) | 1999-02-17 | 2001-10-16 | Medtronic, Inc. | Venous filter for assisted venous return |
US6176904B1 (en) * | 1999-07-02 | 2001-01-23 | Brij M. Gupta | Blood filter |
US6451257B1 (en) | 1999-09-16 | 2002-09-17 | Terumo Kabushiki Kaisha | Arterial blood filter |
KR100850340B1 (ko) | 2000-05-12 | 2008-08-04 | 폴 코포레이션 | 여과 시스템 및 여과 시스템용 피팅 배치 |
EP1286748B1 (en) | 2000-05-12 | 2006-01-25 | Pall Corporation | Filters |
DE60144097D1 (de) * | 2000-09-13 | 2011-04-07 | Entegris Inc | Vorrichtung zum filtern von flüssigen medien |
US6773670B2 (en) | 2001-02-09 | 2004-08-10 | Cardiovention, Inc. C/O The Brenner Group, Inc. | Blood filter having a sensor for active gas removal and methods of use |
US6730267B2 (en) | 2001-02-09 | 2004-05-04 | Cardiovention, Inc. | Integrated blood handling system having active gas removal system and methods of use |
US7469932B2 (en) | 2001-09-13 | 2008-12-30 | Entegris, Inc. | Receptor for a separation module |
WO2003022388A2 (en) | 2001-09-13 | 2003-03-20 | Mykrolis Corporation | Separation module |
US7189352B2 (en) * | 2003-01-14 | 2007-03-13 | Medtronic, Inc. | Extracorporeal blood circuit priming system and method |
US7204958B2 (en) | 2003-01-14 | 2007-04-17 | Medtronic, Inc. | Extracorporeal blood circuit air removal system and method |
US7201870B2 (en) * | 2003-01-14 | 2007-04-10 | Medtronic, Inc. | Active air removal system operating modes of an extracorporeal blood circuit |
US7335334B2 (en) | 2003-01-14 | 2008-02-26 | Medtronic, Inc. | Active air removal from an extracorporeal blood circuit |
US7198751B2 (en) * | 2003-01-14 | 2007-04-03 | Medtronic, Inc. | Disposable, integrated, extracorporeal blood circuit |
US7806274B2 (en) * | 2003-02-12 | 2010-10-05 | Millipore Corporation | Vacuum filtration device |
US7022099B2 (en) * | 2003-03-17 | 2006-04-04 | Cardiovention, Inc. | Extracorporeal blood handling system with automatic flow control and methods of use |
US7744553B2 (en) | 2003-12-16 | 2010-06-29 | Baxter International Inc. | Medical fluid therapy flow control systems and methods |
EP1557186B1 (en) | 2004-01-20 | 2010-11-17 | Sorin Group Deutschland GmbH | Automatic air removal system |
FI120787B (sv) * | 2004-10-19 | 2010-03-15 | Pom Technology Oy Ab | Förfarande och anordning för att effektivera avgasning |
US20080058697A1 (en) | 2006-04-14 | 2008-03-06 | Deka Products Limited Partnership | Heat exchange systems, devices and methods |
US10537671B2 (en) | 2006-04-14 | 2020-01-21 | Deka Products Limited Partnership | Automated control mechanisms in a hemodialysis apparatus |
WO2008065472A1 (en) † | 2006-12-01 | 2008-06-05 | Gambro Lundia Ab | A blood transfer chamber |
US8042563B2 (en) | 2007-02-27 | 2011-10-25 | Deka Products Limited Partnership | Cassette system integrated apparatus |
US8491184B2 (en) | 2007-02-27 | 2013-07-23 | Deka Products Limited Partnership | Sensor apparatus systems, devices and methods |
US8393690B2 (en) | 2007-02-27 | 2013-03-12 | Deka Products Limited Partnership | Enclosure for a portable hemodialysis system |
US8562834B2 (en) | 2007-02-27 | 2013-10-22 | Deka Products Limited Partnership | Modular assembly for a portable hemodialysis system |
US8317492B2 (en) | 2007-02-27 | 2012-11-27 | Deka Products Limited Partnership | Pumping cassette |
US8409441B2 (en) | 2007-02-27 | 2013-04-02 | Deka Products Limited Partnership | Blood treatment systems and methods |
US20090107335A1 (en) * | 2007-02-27 | 2009-04-30 | Deka Products Limited Partnership | Air trap for a medical infusion device |
US8357298B2 (en) | 2007-02-27 | 2013-01-22 | Deka Products Limited Partnership | Hemodialysis systems and methods |
US9028691B2 (en) | 2007-02-27 | 2015-05-12 | Deka Products Limited Partnership | Blood circuit assembly for a hemodialysis system |
CA2681912C (en) | 2007-02-27 | 2015-09-29 | Deka Products Limited Partnership | Hemodialysis systems and methods |
ITMO20070162A1 (it) * | 2007-05-15 | 2008-11-16 | Pyxis S R L | Procedimento per la realizzazione di unita' di filtraggio e relativa apparecchiatura |
EP2042221B1 (en) * | 2007-07-31 | 2012-05-02 | Sorin Group Italia S.r.l. | Filter for body fluids |
AU2013204659B2 (en) * | 2007-10-12 | 2015-10-29 | Deka Products Limited Partnership | Apparatus and Methods for Hemodialysis |
US8439858B2 (en) * | 2007-10-17 | 2013-05-14 | Medtronic, Inc. | Arterial blood filter |
US11833281B2 (en) | 2008-01-23 | 2023-12-05 | Deka Products Limited Partnership | Pump cassette and methods for use in medical treatment system using a plurality of fluid lines |
CA3017406C (en) | 2008-01-23 | 2023-08-22 | Deka Products Limited Partnership | Fluid handling cassette for use with a peritoneal dialysis system |
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US8110016B2 (en) * | 2008-12-11 | 2012-02-07 | Dow Global Technologies Llc | Fluid filter assembly including seal |
BR112012005733A2 (pt) * | 2009-09-14 | 2017-05-30 | Univ Columbia | métodos de canal de fluido de filtro de sangue, dispositivos e sistemas. |
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EP2576028B1 (en) | 2010-10-26 | 2014-04-23 | Dow Global Technologies LLC | Spiral wound module including membrane sheet with regions having different permeabilities |
WO2012064542A2 (en) * | 2010-11-09 | 2012-05-18 | William Gavlak | Improved manifold & strainer assembly |
CA2844024C (en) * | 2011-04-08 | 2021-05-04 | Sentire Medical Systems Llc | Methods and devices for detecting bowel perforation |
CA3166031A1 (en) | 2011-05-24 | 2012-11-29 | Deka Products Limited Partnership | Hemodialysis system |
SG10201604167XA (en) | 2011-05-24 | 2016-07-28 | Deka Products Lp | Blood treatment systems and methods |
US9089801B1 (en) * | 2011-11-08 | 2015-07-28 | Denali Medical Concepts, Llc | Manifold and strainer assembly |
USD764026S1 (en) | 2014-03-07 | 2016-08-16 | Eaton Corporation | Valve housing |
USD731621S1 (en) | 2014-03-07 | 2015-06-09 | Eaton Corporation | Valve housing |
USD764629S1 (en) | 2014-03-07 | 2016-08-23 | Eaton Corporation | Valve housing |
EP3053615A1 (de) * | 2015-02-06 | 2016-08-10 | Sefar AG | Verfahren zum Abscheiden von Gasblasen aus einer Kardioplegielösung und Blasenabscheider |
US9463409B2 (en) * | 2015-02-27 | 2016-10-11 | Tung-Tsai Lee | Oil mist filter |
US10179213B2 (en) * | 2015-05-27 | 2019-01-15 | Vital Signs, Inc. | Apparatus and methods for intravenous gas elimination |
US9795723B2 (en) | 2015-06-22 | 2017-10-24 | 5X Surgical, Llc | Manifold for medical waste collection device |
USD775343S1 (en) * | 2015-07-07 | 2016-12-27 | Tecscrn International Ltd. | Pleated laboratory screen |
CN107485744B (zh) * | 2017-09-12 | 2019-08-30 | 东莞科威医疗器械有限公司 | 一种膜式氧合器 |
GB2622033A (en) * | 2022-08-31 | 2024-03-06 | Indufil BV | Filter system |
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US3348695A (en) * | 1965-07-12 | 1967-10-24 | Rosaen Filter Co | Filter material |
US3696932A (en) * | 1970-09-30 | 1972-10-10 | Pall Corp | Disposable filter assembly |
US3701433A (en) * | 1970-11-10 | 1972-10-31 | Pall Corp | Filter for use in the filtration of blood |
US3771290A (en) * | 1971-12-06 | 1973-11-13 | Armstrong Ltd S A | Vortex de-aerator |
US3795088A (en) * | 1972-03-03 | 1974-03-05 | W Esmond | Degassing particulate matter and oil filter device |
US3827562A (en) * | 1972-03-03 | 1974-08-06 | W Esmond | Filtering device |
US3768653A (en) * | 1972-03-21 | 1973-10-30 | R Brumfield | Filtering cardiotomy reservoir |
DE2222004A1 (de) * | 1972-05-05 | 1973-11-15 | Weppler Ohg | Durchlauffilter |
US3849071A (en) * | 1972-12-21 | 1974-11-19 | K Kayser | Blood-gas separating system for perfusate circulation |
US3822018A (en) * | 1973-06-28 | 1974-07-02 | Z Krongos | Water filter device |
DE2354269A1 (de) * | 1973-10-30 | 1975-05-07 | Weppler Ohg | Durchlauffilter nach art eines membranfilters |
IN140747B (es) * | 1974-04-19 | 1976-12-18 | Johnson & Johnson | |
US3939078A (en) * | 1974-04-19 | 1976-02-17 | Johnson & Johnson | Extracorporeal filter |
US4038194A (en) * | 1974-04-19 | 1977-07-26 | Johnson & Johnson | Blood filter unit |
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JPS5616435B2 (es) * | 1974-12-27 | 1981-04-16 | ||
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JPS5759151Y2 (es) * | 1979-07-16 | 1982-12-17 | ||
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GB2063108A (en) | 1979-09-28 | 1981-06-03 | Bethune D | Degassing device |
US4368118A (en) * | 1980-01-07 | 1983-01-11 | Siposs George G | Blood-air separator and filter |
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US4305825A (en) * | 1980-08-20 | 1981-12-15 | Laval Claude C | Reaction member for a fluid separating device |
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-
1981
- 1981-12-23 US US06/333,832 patent/US4411783A/en not_active Ceased
-
1982
- 1982-12-21 EP EP82306831A patent/EP0082721B1/en not_active Expired
- 1982-12-21 ES ES1982279722U patent/ES279722Y/es not_active Expired
- 1982-12-21 DE DE8282306831T patent/DE3278279D1/de not_active Expired
- 1982-12-21 EP EP85101619A patent/EP0174420A3/en not_active Withdrawn
- 1982-12-22 CA CA000418338A patent/CA1182401A/en not_active Expired
- 1982-12-22 JP JP57225772A patent/JPS58112549A/ja active Granted
-
1984
- 1984-04-18 ES ES1984278937U patent/ES278937Y/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES279722Y (es) | 1986-12-01 |
EP0174420A3 (en) | 1986-10-01 |
EP0174420A2 (en) | 1986-03-19 |
JPS58112549A (ja) | 1983-07-05 |
CA1182401A (en) | 1985-02-12 |
JPS6314992B2 (es) | 1988-04-02 |
DE3278279D1 (en) | 1988-05-05 |
EP0082721B1 (en) | 1988-03-30 |
EP0082721A1 (en) | 1983-06-29 |
ES278937Y (es) | 1985-04-01 |
US4411783A (en) | 1983-10-25 |
ES278937U (es) | 1984-09-16 |
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