CA1115002A - Heart valve prosthesis - Google Patents
Heart valve prosthesisInfo
- Publication number
- CA1115002A CA1115002A CA297,604A CA297604A CA1115002A CA 1115002 A CA1115002 A CA 1115002A CA 297604 A CA297604 A CA 297604A CA 1115002 A CA1115002 A CA 1115002A
- Authority
- CA
- Canada
- Prior art keywords
- legs
- fabric
- leaflets
- rod portions
- combination
- 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
- 210000003709 heart valve Anatomy 0.000 title claims abstract description 21
- 239000004744 fabric Substances 0.000 claims abstract description 69
- 239000004753 textile Substances 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims description 13
- 230000001070 adhesive effect Effects 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 8
- 238000009792 diffusion process Methods 0.000 claims description 2
- 230000001154 acute effect Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 3
- 230000002885 thrombogenetic effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- -1 for example Polymers 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000002759 woven fabric Substances 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 239000008280 blood Substances 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 238000005056 compaction Methods 0.000 description 3
- 238000009941 weaving Methods 0.000 description 3
- 102000008186 Collagen Human genes 0.000 description 2
- 108010035532 Collagen Proteins 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 229920001436 collagen Polymers 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002526 effect on cardiovascular system Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001453 nonthrombogenic effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010067171 Regurgitation Diseases 0.000 description 1
- 241001189642 Theroa Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 238000010936 aqueous wash Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 210000003743 erythrocyte Anatomy 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 229940095050 propylene Drugs 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- BALXUFOVQVENIU-KXNXZCPBSA-N pseudoephedrine hydrochloride Chemical compound [H+].[Cl-].CN[C@@H](C)[C@@H](O)C1=CC=CC=C1 BALXUFOVQVENIU-KXNXZCPBSA-N 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000004758 synthetic textile Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F45/00—Wire-working in the manufacture of other particular articles
- B21F45/008—Wire-working in the manufacture of other particular articles of medical instruments, e.g. stents, corneal rings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2412—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body with soft flexible valve members, e.g. tissue valves shaped like natural valves
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D3/00—Woven fabrics characterised by their shape
- D03D3/02—Tubular fabrics
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D7/00—Woven fabrics designed to be resilient, i.e. to recover from compressive stress
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2509/00—Medical; Hygiene
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA382,428A CA1130053A (en) | 1977-02-23 | 1981-07-23 | Fabric for a cardiovascular prosthesis |
CA382,421A CA1130052A (en) | 1977-02-23 | 1981-07-23 | Frame system for a heart valve prosthesis |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77135977A | 1977-02-23 | 1977-02-23 | |
US771,359 | 1977-02-23 | ||
US05/790,442 US4192020A (en) | 1975-05-07 | 1977-04-25 | Heart valve prosthesis |
US790,442 | 1977-04-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1115002A true CA1115002A (en) | 1981-12-29 |
Family
ID=27118448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA297,604A Expired CA1115002A (en) | 1977-02-23 | 1978-02-23 | Heart valve prosthesis |
Country Status (7)
Country | Link |
---|---|
AU (1) | AU521676B2 (enrdf_load_stackoverflow) |
CA (1) | CA1115002A (enrdf_load_stackoverflow) |
CH (2) | CH654995A5 (enrdf_load_stackoverflow) |
DE (2) | DE2807467C2 (enrdf_load_stackoverflow) |
FR (1) | FR2381515B1 (enrdf_load_stackoverflow) |
GB (2) | GB1598111A (enrdf_load_stackoverflow) |
SE (3) | SE433904B (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9615919B2 (en) | 2008-08-19 | 2017-04-11 | Dsm Ip Assets B.V. | Implantable valve prosthesis and method for manufacturing such a valve |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4340091A (en) * | 1975-05-07 | 1982-07-20 | Albany International Corp. | Elastomeric sheet materials for heart valve and other prosthetic implants |
US4501030A (en) * | 1981-08-17 | 1985-02-26 | American Hospital Supply Corporation | Method of leaflet attachment for prosthetic heart valves |
GB8424582D0 (en) * | 1984-09-28 | 1984-11-07 | Univ Glasgow | Heart valve prosthesis |
US5163955A (en) * | 1991-01-24 | 1992-11-17 | Autogenics | Rapid assembly, concentric mating stent, tissue heart valve with enhanced clamping and tissue alignment |
US5489298A (en) * | 1991-01-24 | 1996-02-06 | Autogenics | Rapid assembly concentric mating stent, tissue heart valve with enhanced clamping and tissue exposure |
US5425741A (en) * | 1993-12-17 | 1995-06-20 | Autogenics | Tissue cutting die |
DE69841237D1 (de) | 1997-06-27 | 2009-11-26 | Univ Columbia | Vorrichtung zum Reparieren von Kreislaufklappen |
FR2768324B1 (fr) | 1997-09-12 | 1999-12-10 | Jacques Seguin | Instrument chirurgical permettant, par voie percutanee, de fixer l'une a l'autre deux zones de tissu mou, normalement mutuellement distantes |
US7811296B2 (en) | 1999-04-09 | 2010-10-12 | Evalve, Inc. | Fixation devices for variation in engagement of tissue |
US6752813B2 (en) | 1999-04-09 | 2004-06-22 | Evalve, Inc. | Methods and devices for capturing and fixing leaflets in valve repair |
US10327743B2 (en) | 1999-04-09 | 2019-06-25 | Evalve, Inc. | Device and methods for endoscopic annuloplasty |
US20040044350A1 (en) | 1999-04-09 | 2004-03-04 | Evalve, Inc. | Steerable access sheath and methods of use |
US7226467B2 (en) | 1999-04-09 | 2007-06-05 | Evalve, Inc. | Fixation device delivery catheter, systems and methods of use |
US8216256B2 (en) | 1999-04-09 | 2012-07-10 | Evalve, Inc. | Detachment mechanism for implantable fixation devices |
CA2369641C (en) | 1999-04-09 | 2009-02-10 | Evalve, Inc. | Methods and apparatus for cardiac valve repair |
US6575971B2 (en) | 2001-11-15 | 2003-06-10 | Quantum Cor, Inc. | Cardiac valve leaflet stapler device and methods thereof |
US7048754B2 (en) | 2002-03-01 | 2006-05-23 | Evalve, Inc. | Suture fasteners and methods of use |
US10631871B2 (en) | 2003-05-19 | 2020-04-28 | Evalve, Inc. | Fixation devices, systems and methods for engaging tissue |
EP3628239B1 (en) | 2004-05-14 | 2022-04-27 | Evalve, Inc. | Locking mechanisms for fixation devices for engaging tissue |
AU2005285314B2 (en) * | 2004-09-10 | 2010-10-14 | Cook Medical Technologies Llc | Prosthetic valve with pores |
CA2581852C (en) | 2004-09-27 | 2012-11-13 | Evalve, Inc. | Methods and devices for tissue grasping and assessment |
US8052592B2 (en) | 2005-09-27 | 2011-11-08 | Evalve, Inc. | Methods and devices for tissue grasping and assessment |
AU2006212750B2 (en) | 2005-02-07 | 2011-11-17 | Evalve, Inc. | Methods, systems and devices for cardiac valve repair |
US8470028B2 (en) | 2005-02-07 | 2013-06-25 | Evalve, Inc. | Methods, systems and devices for cardiac valve repair |
EP2477555B1 (en) | 2009-09-15 | 2013-12-25 | Evalve, Inc. | Device for cardiac valve repair |
US8945177B2 (en) | 2011-09-13 | 2015-02-03 | Abbott Cardiovascular Systems Inc. | Gripper pusher mechanism for tissue apposition systems |
EP3281608B1 (en) | 2012-02-10 | 2020-09-16 | CVDevices, LLC | Medical product comprising a frame and visceral pleura |
AU2014214700B2 (en) | 2013-02-11 | 2018-01-18 | Cook Medical Technologies Llc | Expandable support frame and medical device |
US9572666B2 (en) | 2014-03-17 | 2017-02-21 | Evalve, Inc. | Mitral valve fixation device removal devices and methods |
US10390943B2 (en) | 2014-03-17 | 2019-08-27 | Evalve, Inc. | Double orifice device for transcatheter mitral valve replacement |
US10188392B2 (en) | 2014-12-19 | 2019-01-29 | Abbott Cardiovascular Systems, Inc. | Grasping for tissue repair |
US10524912B2 (en) | 2015-04-02 | 2020-01-07 | Abbott Cardiovascular Systems, Inc. | Tissue fixation devices and methods |
US10376673B2 (en) | 2015-06-19 | 2019-08-13 | Evalve, Inc. | Catheter guiding system and methods |
US10238494B2 (en) | 2015-06-29 | 2019-03-26 | Evalve, Inc. | Self-aligning radiopaque ring |
US10667815B2 (en) | 2015-07-21 | 2020-06-02 | Evalve, Inc. | Tissue grasping devices and related methods |
US10413408B2 (en) | 2015-08-06 | 2019-09-17 | Evalve, Inc. | Delivery catheter systems, methods, and devices |
US10238495B2 (en) | 2015-10-09 | 2019-03-26 | Evalve, Inc. | Delivery catheter handle and methods of use |
US10736632B2 (en) | 2016-07-06 | 2020-08-11 | Evalve, Inc. | Methods and devices for valve clip excision |
US11071564B2 (en) | 2016-10-05 | 2021-07-27 | Evalve, Inc. | Cardiac valve cutting device |
US10363138B2 (en) | 2016-11-09 | 2019-07-30 | Evalve, Inc. | Devices for adjusting the curvature of cardiac valve structures |
US10398553B2 (en) | 2016-11-11 | 2019-09-03 | Evalve, Inc. | Opposing disk device for grasping cardiac valve tissue |
US10426616B2 (en) | 2016-11-17 | 2019-10-01 | Evalve, Inc. | Cardiac implant delivery system |
US10779837B2 (en) | 2016-12-08 | 2020-09-22 | Evalve, Inc. | Adjustable arm device for grasping tissues |
US10314586B2 (en) | 2016-12-13 | 2019-06-11 | Evalve, Inc. | Rotatable device and method for fixing tricuspid valve tissue |
US11065119B2 (en) | 2017-05-12 | 2021-07-20 | Evalve, Inc. | Long arm valve repair clip |
US12102531B2 (en) | 2018-10-22 | 2024-10-01 | Evalve, Inc. | Tissue cutting systems, devices and methods |
US12048624B2 (en) | 2019-07-15 | 2024-07-30 | Evalve, Inc. | Independent proximal element actuation methods |
US12171486B2 (en) | 2020-05-06 | 2024-12-24 | Evalve, Inc. | Devices and methods for clip separation |
US12171485B2 (en) | 2020-05-06 | 2024-12-24 | Evalve, Inc. | Systems and methods for leaflet cutting using a hook catheter |
US12178444B2 (en) | 2020-05-06 | 2024-12-31 | Evalve, Inc. | Clip removal systems and methods |
US12048448B2 (en) | 2020-05-06 | 2024-07-30 | Evalve, Inc. | Leaflet grasping and cutting device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1268484A (en) * | 1968-06-28 | 1972-03-29 | Brian John Bellhouse | Improvements relating to non-return valves particularly as prosthetics |
US3570014A (en) * | 1968-09-16 | 1971-03-16 | Warren D Hancock | Stent for heart valve |
US3714671A (en) * | 1970-11-30 | 1973-02-06 | Cutter Lab | Tissue-type heart valve with a graft support ring or stent |
US3755823A (en) * | 1971-04-23 | 1973-09-04 | Hancock Laboratories Inc | Flexible stent for heart valve |
US3736598A (en) * | 1971-06-10 | 1973-06-05 | B Bellhouse | Prosthetic cardiac valve |
US3744062A (en) * | 1971-10-08 | 1973-07-10 | V Parsonnet | Heart valve construction having a collagen cover encapsulation thereon |
AR205110A1 (es) | 1974-04-02 | 1976-04-05 | Gore & Ass | Protesis vascular artificial |
US3983581A (en) * | 1975-01-20 | 1976-10-05 | William W. Angell | Heart valve stent |
-
1978
- 1978-02-14 AU AU33292/78A patent/AU521676B2/en not_active Expired
- 1978-02-22 GB GB6963/78A patent/GB1598111A/en not_active Expired
- 1978-02-22 DE DE2807467A patent/DE2807467C2/de not_active Expired
- 1978-02-22 DE DE2858676A patent/DE2858676C2/de not_active Expired
- 1978-02-22 SE SE7802054A patent/SE433904B/sv not_active IP Right Cessation
- 1978-02-22 GB GB22665/80A patent/GB1598112A/en not_active Expired
- 1978-02-22 CH CH6659/83A patent/CH654995A5/fr not_active IP Right Cessation
- 1978-02-22 FR FR7805084A patent/FR2381515B1/fr not_active Expired
- 1978-02-22 CH CH192378A patent/CH639841A5/fr not_active IP Right Cessation
- 1978-02-23 CA CA297,604A patent/CA1115002A/en not_active Expired
-
1982
- 1982-11-05 SE SE8206288A patent/SE451533B/sv not_active IP Right Cessation
- 1982-11-12 SE SE8206429A patent/SE454479B/sv not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9615919B2 (en) | 2008-08-19 | 2017-04-11 | Dsm Ip Assets B.V. | Implantable valve prosthesis and method for manufacturing such a valve |
Also Published As
Publication number | Publication date |
---|---|
GB1598112A (en) | 1981-09-16 |
SE8206429L (sv) | 1982-11-12 |
AU3329278A (en) | 1979-08-23 |
AU521676B2 (en) | 1982-04-22 |
GB1598111A (en) | 1981-09-16 |
DE2858676C2 (enrdf_load_stackoverflow) | 1989-04-06 |
SE433904B (sv) | 1984-06-25 |
FR2381515A1 (fr) | 1978-09-22 |
SE451533B (sv) | 1987-10-19 |
SE8206288D0 (sv) | 1982-11-05 |
SE8206429D0 (sv) | 1982-11-12 |
SE7802054L (sv) | 1978-08-24 |
DE2807467C2 (de) | 1987-04-16 |
CH639841A5 (en) | 1983-12-15 |
SE454479B (sv) | 1988-05-09 |
DE2807467A1 (de) | 1978-08-24 |
SE8206288L (sv) | 1982-11-05 |
FR2381515B1 (fr) | 1986-02-21 |
CH654995A5 (en) | 1986-03-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |