DE2324415C2 - Chirurgisches Sauginstrument - Google Patents
Chirurgisches SauginstrumentInfo
- Publication number
- DE2324415C2 DE2324415C2 DE2324415A DE2324415A DE2324415C2 DE 2324415 C2 DE2324415 C2 DE 2324415C2 DE 2324415 A DE2324415 A DE 2324415A DE 2324415 A DE2324415 A DE 2324415A DE 2324415 C2 DE2324415 C2 DE 2324415C2
- Authority
- DE
- Germany
- Prior art keywords
- suction
- electrical line
- instrument according
- tube
- pipe
- 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
- 230000015271 coagulation Effects 0.000 claims description 36
- 238000005345 coagulation Methods 0.000 claims description 36
- 239000007788 liquid Substances 0.000 claims description 4
- 239000012777 electrically insulating material Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229910000669 Chrome steel Inorganic materials 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 3
- 238000013021 overheating Methods 0.000 description 2
- 229940058401 polytetrafluoroethylene Drugs 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- NEIHULKJZQTQKJ-UHFFFAOYSA-N [Cu].[Ag] Chemical compound [Cu].[Ag] NEIHULKJZQTQKJ-UHFFFAOYSA-N 0.000 description 1
- ASMQPJTXPYCZBL-UHFFFAOYSA-N [O-2].[Cd+2].[Ag+] Chemical compound [O-2].[Cd+2].[Ag+] ASMQPJTXPYCZBL-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- OEZQCMMAFSEXQW-UHFFFAOYSA-N calcium silver Chemical compound [Ca].[Ag] OEZQCMMAFSEXQW-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PQTCMBYFWMFIGM-UHFFFAOYSA-N gold silver Chemical compound [Ag].[Au] PQTCMBYFWMFIGM-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- MOFOBJHOKRNACT-UHFFFAOYSA-N nickel silver Chemical compound [Ni].[Ag] MOFOBJHOKRNACT-UHFFFAOYSA-N 0.000 description 1
- SWELZOZIOHGSPA-UHFFFAOYSA-N palladium silver Chemical compound [Pd].[Ag] SWELZOZIOHGSPA-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1402—Probes for open surgery
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S604/00—Surgery
- Y10S604/902—Suction wands
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Otolaryngology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- External Artificial Organs (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2324415A DE2324415C2 (de) | 1973-05-15 | 1973-05-15 | Chirurgisches Sauginstrument |
| GB1877674A GB1449081A (en) | 1973-05-15 | 1974-04-29 | Surgical suction instrument |
| US465583A US3902494A (en) | 1973-05-15 | 1974-04-30 | Suction surgical instrument |
| JP5345274A JPS533596B2 (cg-RX-API-DMAC7.html) | 1973-05-15 | 1974-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2324415A DE2324415C2 (de) | 1973-05-15 | 1973-05-15 | Chirurgisches Sauginstrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2324415B1 DE2324415B1 (de) | 1974-10-24 |
| DE2324415C2 true DE2324415C2 (de) | 1975-06-05 |
Family
ID=5880946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2324415A Expired DE2324415C2 (de) | 1973-05-15 | 1973-05-15 | Chirurgisches Sauginstrument |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3902494A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS533596B2 (cg-RX-API-DMAC7.html) |
| DE (1) | DE2324415C2 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1449081A (cg-RX-API-DMAC7.html) |
Families Citing this family (93)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5724342Y2 (cg-RX-API-DMAC7.html) * | 1973-11-20 | 1982-05-26 | ||
| US4074718A (en) * | 1976-03-17 | 1978-02-21 | Valleylab, Inc. | Electrosurgical instrument |
| US4202336A (en) * | 1976-05-14 | 1980-05-13 | Erbe Elektromedizin Kg | Cauterizing probes for cryosurgery |
| JPS5330786U (cg-RX-API-DMAC7.html) * | 1976-08-23 | 1978-03-16 | ||
| FR2474857B1 (fr) * | 1980-02-06 | 1986-12-12 | Boutmy Ets | Appareil chirurgical plurifonctionnel |
| US4347842A (en) * | 1980-02-15 | 1982-09-07 | Mark Beale | Disposable electrical surgical suction tube and instrument |
| WO1981003271A1 (en) * | 1980-05-13 | 1981-11-26 | American Hospital Supply Corp | A multipolar electrosurgical device |
| US4492231A (en) * | 1982-09-17 | 1985-01-08 | Auth David C | Non-sticking electrocautery system and forceps |
| USD285004S (en) | 1983-08-01 | 1986-08-05 | Shippert Ronald D | Surgical suction instrument |
| USD282403S (en) | 1983-08-04 | 1986-01-28 | Aspen Laboratories, Inc. | Suction coagulator |
| US4568332A (en) * | 1983-11-08 | 1986-02-04 | Shippert Ronald D | Medical instrument for suction lipectomy |
| US4919129A (en) * | 1987-11-30 | 1990-04-24 | Celebration Medical Products, Inc. | Extendable electrocautery surgery apparatus and method |
| GB8822492D0 (en) * | 1988-09-24 | 1988-10-26 | Considine J | Apparatus for removing tumours from hollow organs of body |
| US5192267A (en) * | 1989-01-23 | 1993-03-09 | Nadiv Shapira | Vortex smoke remover for electrosurgical devices |
| US5460602A (en) * | 1989-01-23 | 1995-10-24 | Shapira; Nadiv | Smoke evacuator for smoke generating devices |
| US5052999A (en) * | 1990-01-29 | 1991-10-01 | Klein Jeffrey A | Liposuction method and apparatus |
| US5256138A (en) * | 1990-10-04 | 1993-10-26 | The Birtcher Corporation | Electrosurgical handpiece incorporating blade and conductive gas functionality |
| USD330253S (en) | 1990-10-04 | 1992-10-13 | Birtcher Medical Systems, Inc. | Electrosurgical handpiece |
| DE4038633C2 (de) * | 1990-12-04 | 2003-06-26 | Storz Karl Gmbh & Co Kg | Vorrichtung zum Spülen und Absaugen von Operationsgebieten |
| US5133714A (en) * | 1991-05-06 | 1992-07-28 | Kirwan Surgical Products, Inc. | Electrosurgical suction coagulator |
| US5234428A (en) * | 1991-06-11 | 1993-08-10 | Kaufman David I | Disposable electrocautery/cutting instrument with integral continuous smoke evacuation |
| US5449356A (en) * | 1991-10-18 | 1995-09-12 | Birtcher Medical Systems, Inc. | Multifunctional probe for minimally invasive surgery |
| US5221281A (en) * | 1992-06-30 | 1993-06-22 | Valleylab Inc. | Electrosurgical tubular trocar |
| US5314406A (en) * | 1992-10-09 | 1994-05-24 | Symbiosis Corporation | Endoscopic electrosurgical suction-irrigation instrument |
| US5376089A (en) * | 1993-08-02 | 1994-12-27 | Conmed Corporation | Electrosurgical instrument |
| US5451222A (en) * | 1994-03-16 | 1995-09-19 | Desentech, Inc. | Smoke evacuation system |
| US5730742A (en) * | 1994-08-04 | 1998-03-24 | Alto Development Corporation | Inclined, flared, thermally-insulated, anti-clog tip for electrocautery suction tubes |
| US5520685A (en) * | 1994-08-04 | 1996-05-28 | Alto Development Corporation | Thermally-insulated anti-clog tip for electrocautery suction tubes |
| US6004319A (en) * | 1995-06-23 | 1999-12-21 | Gyrus Medical Limited | Electrosurgical instrument |
| US6293942B1 (en) | 1995-06-23 | 2001-09-25 | Gyrus Medical Limited | Electrosurgical generator method |
| US6780180B1 (en) | 1995-06-23 | 2004-08-24 | Gyrus Medical Limited | Electrosurgical instrument |
| US6015406A (en) * | 1996-01-09 | 2000-01-18 | Gyrus Medical Limited | Electrosurgical instrument |
| AU703433B2 (en) * | 1995-06-23 | 1999-03-25 | Gyrus Medical Limited | An electrosurgical instrument |
| US5693052A (en) * | 1995-09-01 | 1997-12-02 | Megadyne Medical Products, Inc. | Coated bipolar electrocautery |
| US6013076A (en) * | 1996-01-09 | 2000-01-11 | Gyrus Medical Limited | Electrosurgical instrument |
| US6090106A (en) * | 1996-01-09 | 2000-07-18 | Gyrus Medical Limited | Electrosurgical instrument |
| GB2314274A (en) * | 1996-06-20 | 1997-12-24 | Gyrus Medical Ltd | Electrode construction for an electrosurgical instrument |
| US6565561B1 (en) | 1996-06-20 | 2003-05-20 | Cyrus Medical Limited | Electrosurgical instrument |
| GB9612993D0 (en) | 1996-06-20 | 1996-08-21 | Gyrus Medical Ltd | Electrosurgical instrument |
| US6102885A (en) * | 1996-08-08 | 2000-08-15 | Bass; Lawrence S. | Device for suction-assisted lipectomy and method of using same |
| US6126682A (en) | 1996-08-13 | 2000-10-03 | Oratec Interventions, Inc. | Method for treating annular fissures in intervertebral discs |
| US6461357B1 (en) | 1997-02-12 | 2002-10-08 | Oratec Interventions, Inc. | Electrode for electrosurgical ablation of tissue |
| US6135999A (en) | 1997-02-12 | 2000-10-24 | Oratec Internationals, Inc. | Concave probe for arthroscopic surgery |
| US6645203B2 (en) | 1997-02-12 | 2003-11-11 | Oratec Interventions, Inc. | Surgical instrument with off-axis electrode |
| US6544260B1 (en) | 1996-08-20 | 2003-04-08 | Oratec Interventions, Inc. | Method for treating tissue in arthroscopic environment using precooling and apparatus for same |
| US7112199B2 (en) * | 1996-09-20 | 2006-09-26 | Ioan Cosmescu | Multifunctional telescopic monopolar/bipolar surgical device and method therefore |
| US5843080A (en) * | 1996-10-16 | 1998-12-01 | Megadyne Medical Products, Inc. | Bipolar instrument with multi-coated electrodes |
| GB9626512D0 (en) * | 1996-12-20 | 1997-02-05 | Gyrus Medical Ltd | An improved electrosurgical generator and system |
| US5951548A (en) * | 1997-02-21 | 1999-09-14 | Stephen R. DeSisto | Self-evacuating electrocautery device |
| US6312426B1 (en) | 1997-05-30 | 2001-11-06 | Sherwood Services Ag | Method and system for performing plate type radiofrequency ablation |
| WO1999025259A1 (en) * | 1997-11-13 | 1999-05-27 | Hugh Sharkey | Method and device for tympanic membrane shrinkage |
| GB9807303D0 (en) | 1998-04-03 | 1998-06-03 | Gyrus Medical Ltd | An electrode assembly for an electrosurgical instrument |
| US6146353A (en) * | 1998-09-22 | 2000-11-14 | Sherwood Services Ag | Smoke extraction device |
| US6428503B1 (en) | 1999-01-19 | 2002-08-06 | Atc Technologies, Inc. | Surgical instrument for providing suction and irrigation |
| US6149646A (en) * | 1999-02-02 | 2000-11-21 | Linvatec Corporation | Monopolar tissue ablator |
| US6280415B1 (en) * | 1999-03-10 | 2001-08-28 | W. Dudley Johnson | Tissue traction device |
| US6358273B1 (en) | 1999-04-09 | 2002-03-19 | Oratec Inventions, Inc. | Soft tissue heating apparatus with independent, cooperative heating sources |
| US6939346B2 (en) | 1999-04-21 | 2005-09-06 | Oratec Interventions, Inc. | Method and apparatus for controlling a temperature-controlled probe |
| US6379350B1 (en) | 1999-10-05 | 2002-04-30 | Oratec Interventions, Inc. | Surgical instrument for ablation and aspiration |
| US6558382B2 (en) * | 2000-04-27 | 2003-05-06 | Medtronic, Inc. | Suction stabilized epicardial ablation devices |
| DE60128841T2 (de) * | 2000-12-15 | 2008-02-07 | Covidien Ag | Schirmblech für eine elektro-chirurgische Elektrode |
| US6695839B2 (en) | 2001-02-08 | 2004-02-24 | Oratec Interventions, Inc. | Method and apparatus for treatment of disrupted articular cartilage |
| US6840937B2 (en) | 2001-10-18 | 2005-01-11 | Electrosurgery Associates, Llc | Electrosurgical ablator with aspiration |
| US20040015216A1 (en) * | 2002-05-30 | 2004-01-22 | Desisto Stephen R. | Self-evacuating electrocautery device |
| US7393354B2 (en) | 2002-07-25 | 2008-07-01 | Sherwood Services Ag | Electrosurgical pencil with drag sensing capability |
| US6747218B2 (en) | 2002-09-20 | 2004-06-08 | Sherwood Services Ag | Electrosurgical haptic switch including snap dome and printed circuit stepped contact array |
| US7244257B2 (en) | 2002-11-05 | 2007-07-17 | Sherwood Services Ag | Electrosurgical pencil having a single button variable control |
| ES2300746T3 (es) | 2003-02-20 | 2008-06-16 | Covidien Ag | Detector del movimiento para controlar la salida electroquirurgica. |
| USD521641S1 (en) | 2003-11-13 | 2006-05-23 | Sherwood Services Ag | Electrosurgical pencil with three button control |
| US7241294B2 (en) | 2003-11-19 | 2007-07-10 | Sherwood Services Ag | Pistol grip electrosurgical pencil with manual aspirator/irrigator and methods of using the same |
| US7879033B2 (en) | 2003-11-20 | 2011-02-01 | Covidien Ag | Electrosurgical pencil with advanced ES controls |
| US7503917B2 (en) | 2003-11-20 | 2009-03-17 | Covidien Ag | Electrosurgical pencil with improved controls |
| US7156842B2 (en) | 2003-11-20 | 2007-01-02 | Sherwood Services Ag | Electrosurgical pencil with improved controls |
| US7156844B2 (en) | 2003-11-20 | 2007-01-02 | Sherwood Services Ag | Electrosurgical pencil with improved controls |
| US7766844B2 (en) * | 2004-04-21 | 2010-08-03 | Smith & Nephew, Inc. | Surgical instrument aspiration valve |
| US7226447B2 (en) | 2004-06-23 | 2007-06-05 | Smith & Nephew, Inc. | Electrosurgical generator |
| US7655003B2 (en) * | 2005-06-22 | 2010-02-02 | Smith & Nephew, Inc. | Electrosurgical power control |
| US7500974B2 (en) * | 2005-06-28 | 2009-03-10 | Covidien Ag | Electrode with rotatably deployable sheath |
| US7828794B2 (en) | 2005-08-25 | 2010-11-09 | Covidien Ag | Handheld electrosurgical apparatus for controlling operating room equipment |
| US20070260240A1 (en) | 2006-05-05 | 2007-11-08 | Sherwood Services Ag | Soft tissue RF transection and resection device |
| US8506565B2 (en) | 2007-08-23 | 2013-08-13 | Covidien Lp | Electrosurgical device with LED adapter |
| US8235987B2 (en) | 2007-12-05 | 2012-08-07 | Tyco Healthcare Group Lp | Thermal penetration and arc length controllable electrosurgical pencil |
| US8632536B2 (en) | 2008-03-31 | 2014-01-21 | Covidien Lp | Electrosurgical pencil including improved controls |
| US8597292B2 (en) | 2008-03-31 | 2013-12-03 | Covidien Lp | Electrosurgical pencil including improved controls |
| US8636733B2 (en) | 2008-03-31 | 2014-01-28 | Covidien Lp | Electrosurgical pencil including improved controls |
| US8162937B2 (en) | 2008-06-27 | 2012-04-24 | Tyco Healthcare Group Lp | High volume fluid seal for electrosurgical handpiece |
| DE102008038908A1 (de) * | 2008-08-13 | 2010-02-18 | Universitätsklinikum Heidelberg | Saugvorrichtung zum Absaugen von Flüssigkeit während eines chirurgischen Eingriffs |
| US8388617B2 (en) * | 2008-10-01 | 2013-03-05 | Cook Medical Technologies Llc | Barrel system for use with an endoscope |
| US8231620B2 (en) | 2009-02-10 | 2012-07-31 | Tyco Healthcare Group Lp | Extension cutting blade |
| GB201308901D0 (en) | 2013-05-17 | 2013-07-03 | Gyrus Medical Ltd | Electrosurgical instrument and system |
| US10716587B2 (en) | 2014-06-13 | 2020-07-21 | Surgis Medical Llc | Surgical device with light |
| US11039875B2 (en) | 2016-04-26 | 2021-06-22 | Kirwan Surgical Products Llc | Non-stick monopolar suction coagulator |
| US11564732B2 (en) | 2019-12-05 | 2023-01-31 | Covidien Lp | Tensioning mechanism for bipolar pencil |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2275167A (en) * | 1939-04-26 | 1942-03-03 | Bierman William | Electrosurgical instrument |
| US2808833A (en) * | 1952-12-06 | 1957-10-08 | Birtcher Corp | Gas blanketed clotting instrument |
| US2814296A (en) * | 1954-04-15 | 1957-11-26 | S & R J Everett & Co Ltd | Surgical needles |
| US2888928A (en) * | 1957-04-15 | 1959-06-02 | Seiger Harry Wright | Coagulating surgical instrument |
| CH415894A (de) * | 1963-03-12 | 1966-06-30 | Elektriska Svetsnings Ab | Mehrfachschlauch zur Zufuhr von Schweissdraht, Schweissstrom, Schutzgas und Druckgas an eine Schutzgas-Lichtbogenschweisspistole |
| US3411507A (en) * | 1964-04-01 | 1968-11-19 | Medtronic Inc | Method of gastrointestinal stimulation with electrical pulses |
| US3685518A (en) * | 1970-07-29 | 1972-08-22 | Aesculap Werke Ag | Surgical instrument for high-frequency surgery |
| US3680544A (en) * | 1970-09-09 | 1972-08-01 | James P Shinnick | Transthoracic cannula-type device for cardiopulmonary resuscitation |
| US3825004A (en) * | 1972-09-13 | 1974-07-23 | Durden Enterprises Ltd | Disposable electrosurgical cautery |
| US3828780A (en) * | 1973-03-26 | 1974-08-13 | Valleylab Inc | Combined electrocoagulator-suction instrument |
-
1973
- 1973-05-15 DE DE2324415A patent/DE2324415C2/de not_active Expired
-
1974
- 1974-04-29 GB GB1877674A patent/GB1449081A/en not_active Expired
- 1974-04-30 US US465583A patent/US3902494A/en not_active Expired - Lifetime
- 1974-05-15 JP JP5345274A patent/JPS533596B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS533596B2 (cg-RX-API-DMAC7.html) | 1978-02-08 |
| US3902494A (en) | 1975-09-02 |
| JPS5042687A (cg-RX-API-DMAC7.html) | 1975-04-17 |
| GB1449081A (en) | 1976-09-08 |
| DE2324415B1 (de) | 1974-10-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |