BR8605132A - Aparelho cirurgico para modificar,pelo menos em parte,a curvatura da cornea ocular - Google Patents
Aparelho cirurgico para modificar,pelo menos em parte,a curvatura da cornea ocularInfo
- Publication number
- BR8605132A BR8605132A BR8605132A BR8605132A BR8605132A BR 8605132 A BR8605132 A BR 8605132A BR 8605132 A BR8605132 A BR 8605132A BR 8605132 A BR8605132 A BR 8605132A BR 8605132 A BR8605132 A BR 8605132A
- Authority
- BR
- Brazil
- Prior art keywords
- cornea
- lamina
- pct
- light
- eye
- Prior art date
Links
Classifications
-
- 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
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/008—Methods or devices for eye surgery using laser
-
- 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
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/008—Methods or devices for eye surgery using laser
- A61F9/00802—Methods or devices for eye surgery using laser for photoablation
- A61F9/00804—Refractive treatments
-
- 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
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/008—Methods or devices for eye surgery using laser
- A61F9/00802—Methods or devices for eye surgery using laser for photoablation
- A61F9/00817—Beam shaping with masks
-
- 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
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/008—Methods or devices for eye surgery using laser
- A61F2009/00861—Methods or devices for eye surgery using laser adapted for treatment at a particular location
- A61F2009/00872—Cornea
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Optics & Photonics (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Laser Surgery Devices (AREA)
- Materials For Medical Uses (AREA)
- Rehabilitation Tools (AREA)
- Eye Examination Apparatus (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8501614A FR2576780B1 (fr) | 1985-02-04 | 1985-02-04 | Appareil pour modifier la courbure de la cornee oculaire sur toute la surface pupillaire par ablation photochimique de ladite cornee |
PCT/FR1986/000026 WO1986004500A1 (fr) | 1985-02-04 | 1986-01-30 | Appareil chirurgical destine a modifier la courbure de la cornee oculaire |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8605132A true BR8605132A (pt) | 1987-05-05 |
Family
ID=9315967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8605132A BR8605132A (pt) | 1985-02-04 | 1986-01-30 | Aparelho cirurgico para modificar,pelo menos em parte,a curvatura da cornea ocular |
Country Status (8)
Country | Link |
---|---|
US (1) | US4973330A (pt) |
EP (1) | EP0191688B1 (pt) |
JP (1) | JPH07121267B2 (pt) |
AT (1) | ATE55237T1 (pt) |
BR (1) | BR8605132A (pt) |
DE (1) | DE3673184D1 (pt) |
FR (1) | FR2576780B1 (pt) |
WO (1) | WO1986004500A1 (pt) |
Families Citing this family (82)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4665913A (en) * | 1983-11-17 | 1987-05-19 | Lri L.P. | Method for ophthalmological surgery |
US5711762A (en) * | 1983-12-15 | 1998-01-27 | Visx, Incorporated | Laser surgery apparatus and method |
US4669466A (en) * | 1985-01-16 | 1987-06-02 | Lri L.P. | Method and apparatus for analysis and correction of abnormal refractive errors of the eye |
JP2593085B2 (ja) * | 1986-03-08 | 1997-03-19 | ゲー.ローデンストツク.インストルメンテ.ゲゼルシヤフト.ミツト.ベシユレンクテル.ハフツング | レーザーを使用する眼の診察と治療用装置 |
DE3607721A1 (de) * | 1986-03-08 | 1987-09-10 | Rodenstock Instr | Vorrichtung zur laserbehandlung des auges |
US5423801A (en) * | 1986-03-19 | 1995-06-13 | Summit Technology, Inc. | Laser corneal surgery |
US4856513A (en) * | 1987-03-09 | 1989-08-15 | Summit Technology, Inc. | Laser reprofiling systems and methods |
GB8606821D0 (en) * | 1986-03-19 | 1986-04-23 | Pa Consulting Services | Corneal reprofiling |
US5019074A (en) * | 1987-03-09 | 1991-05-28 | Summit Technology, Inc. | Laser reprofiling system employing an erodable mask |
US5324281A (en) * | 1987-03-09 | 1994-06-28 | Summit Technology, Inc. | Laser reprofiling system employing a photodecomposable mask |
FR2617986B1 (fr) * | 1987-07-08 | 1989-10-27 | Synthelabo | Systeme optique et appareil chirurgical comportant ledit systeme |
JPH0661348B2 (ja) * | 1988-01-29 | 1994-08-17 | メゾトラスレボイ ナウチノ‐テフニチェスキ コムプレクス“ミクロヒルルギア グラザ” | 乱視の外科的治療用の装置 |
HU203277B (en) * | 1988-01-29 | 1991-07-29 | Mezhotraslevojj Nt Kompleks Mi | Apparatus for surgical treating ametropia |
US5152759A (en) * | 1989-06-07 | 1992-10-06 | University Of Miami, School Of Medicine, Dept. Of Ophthalmology | Noncontact laser microsurgical apparatus |
FR2655837A1 (fr) * | 1989-12-15 | 1991-06-21 | Hanna Khalil | Masque de traitement de surface et dispositif de chirurgie de l'óoeil ou de realisation de lentille optique par laser. |
US5139022A (en) * | 1990-10-26 | 1992-08-18 | Philip Lempert | Method and apparatus for imaging and analysis of ocular tissue |
IT1242932B (it) * | 1990-11-14 | 1994-05-18 | Guido Maria Nizzola | Apparecchiatura per la correzione della presbiopia mediante modellazione della superficie corneale per foto ablazione |
DE4103493C1 (pt) * | 1991-02-06 | 1992-07-09 | Aesculap Ag, 7200 Tuttlingen, De | |
DE4119024C2 (de) * | 1991-06-10 | 1996-04-04 | Technolas Laser Technik Gmbh | Vorrichtung zur schonenden und exakten Photoablation für photorefraktive Chirurgie |
CA2073802C (en) * | 1991-08-16 | 2003-04-01 | John Shimmick | Method and apparatus for combined cylindrical and spherical eye corrections |
ATE218904T1 (de) * | 1991-11-06 | 2002-06-15 | Shui T Lai | Vorrichtung für hornhautchirurgie |
FR2685629B1 (fr) * | 1991-12-26 | 1998-02-20 | Assistance Publique | Dispositif d'usinage, notamment d'un lenticule corneen. |
AU3472993A (en) * | 1992-01-15 | 1993-09-01 | Premier Laser Systems, Inc. | Corneal sculpting using laser energy |
WO1993025166A1 (en) * | 1992-06-10 | 1993-12-23 | Summit Technology, Inc. | Correction of presbyopia by photorefractive keratectomy |
US5370643A (en) * | 1992-07-06 | 1994-12-06 | Ceramoptec, Inc. | Multiple effect laser delivery device and system for medical procedures |
ES2104941T3 (es) * | 1992-08-14 | 1997-10-16 | Summit Technology Inc | Sistema de remodelacion por laser para la correccion de astigmatismos. |
DE4232915A1 (de) * | 1992-10-01 | 1994-04-07 | Hohla Kristian | Vorrichtung zur Formung der Cornea durch Abtragen von Gewebe |
US6090100A (en) | 1992-10-01 | 2000-07-18 | Chiron Technolas Gmbh Ophthalmologische Systeme | Excimer laser system for correction of vision with reduced thermal effects |
IT1272101B (it) * | 1993-03-17 | 1997-06-11 | Fondazione Centro S Romanello | Dispositivo di sostegno e posizionamento per filtri ottici |
CO4230054A1 (es) * | 1993-05-07 | 1995-10-19 | Visx Inc | Metodo y sistemas para tratamiento con laser de errores refractivos utilizando formacion de imagenes de desplazamiento |
US6319247B1 (en) | 1993-05-07 | 2001-11-20 | Visx, Incorporated | Systems and methods for corneal surface ablation to correct hyperopia |
US5360424A (en) * | 1993-06-04 | 1994-11-01 | Summit Technology, Inc. | Tracking system for laser surgery |
US5461212A (en) * | 1993-06-04 | 1995-10-24 | Summit Technology, Inc. | Astigmatic laser ablation of surfaces |
US5395356A (en) * | 1993-06-04 | 1995-03-07 | Summit Technology, Inc. | Correction of presbyopia by photorefractive keratectomy |
AU7099694A (en) * | 1993-06-04 | 1995-01-03 | Summit Technology, Inc. | Rotatable aperture apparatus and methods for selective photoablation of surfaces |
US5772656A (en) * | 1993-06-04 | 1998-06-30 | Summit Technology, Inc. | Calibration apparatus for laser ablative systems |
US5411501A (en) * | 1993-06-04 | 1995-05-02 | Summit Technology, Inc. | Laser reprofiling system for correction of astigmatisms |
JPH09501869A (ja) * | 1993-06-11 | 1997-02-25 | ボシュ アンド ロム インコーポレイテッド | レーザーエッチング表面上における回折溝形成を最小限にする方法 |
US5505723A (en) * | 1994-02-10 | 1996-04-09 | Summit Technology, Inc. | Photo-refractive keratectomy |
US5493095A (en) * | 1994-02-14 | 1996-02-20 | Data Technology, Inc. | Laser beam divergence compensation apparatus |
US5645550A (en) * | 1994-04-08 | 1997-07-08 | Chiron Technolas Gmbh Ophthalmologische System | Method and apparatus for providing precise location of points on the eye |
US5620436A (en) * | 1994-09-22 | 1997-04-15 | Chiron Technolas Gmbh Ophthalmologische Systeme | Method and apparatus for providing precise location of points on the eye |
US6063072A (en) | 1994-12-08 | 2000-05-16 | Summit Technology, Inc. | Methods and systems for correction of hyperopia and/or astigmatism using ablative radiation |
US5613965A (en) * | 1994-12-08 | 1997-03-25 | Summit Technology Inc. | Corneal reprofiling using an annular beam of ablative radiation |
US5537164A (en) * | 1994-12-20 | 1996-07-16 | Smith; Alan D. | Retroilluminating indirect gonioprism |
WO1996021407A1 (en) * | 1995-01-11 | 1996-07-18 | Summit Technology, Inc. | Integrated laser reprofiling systems |
WO1996022751A1 (en) * | 1995-01-25 | 1996-08-01 | Chiron Technolas Gmbh | Apparatus for uniformly ablating a surface |
US7655002B2 (en) | 1996-03-21 | 2010-02-02 | Second Sight Laser Technologies, Inc. | Lenticular refractive surgery of presbyopia, other refractive errors, and cataract retardation |
AU727933B2 (en) * | 1996-05-30 | 2001-01-04 | Technolas Gmbh Ophthalmologische Systeme | Excimer laser eye surgery system |
USD404811S (en) * | 1996-05-30 | 1999-01-26 | Chiron Technolas Gmbh Ophthalmologische Systeme | Laser eye surgery unit |
US5891132A (en) * | 1996-05-30 | 1999-04-06 | Chiron Technolas Gmbh Opthalmologische Systeme | Distributed excimer laser surgery system |
US5941874A (en) * | 1997-03-10 | 1999-08-24 | Chiron Technolas Gmbh Opthalmologische Systeme | Simulating a laser treatment on the eye by pretreating a contact lens |
BR9808977A (pt) | 1997-04-25 | 2000-08-01 | Technolas Gmbh Ophtalmologisch | Equipamento para modelar a córnea, processos para fazer a ablação de tecido de um olho, e para tratamento de um olho, e, sistema para cirurgia a laser para tratar um olho |
AUPO736797A0 (en) * | 1997-06-16 | 1997-07-10 | Lions Eye Institute Of Western Australia Incorporated, The | Large beam scanning laser ablation |
US6497701B2 (en) | 1999-04-30 | 2002-12-24 | Visx, Incorporated | Method and system for ablating surfaces with partially overlapping craters having consistent curvature |
US6322555B1 (en) | 1999-07-23 | 2001-11-27 | Lahaye Leon C. | Method and apparatus for monitoring laser surgery |
US6817998B2 (en) * | 1999-07-23 | 2004-11-16 | Lahaye Leon C. | Method and apparatus for monitoring laser surgery |
US6773430B2 (en) | 1999-08-09 | 2004-08-10 | Visx, Inc. | Motion detector for eye ablative laser delivery systems |
BE1013787A3 (fr) * | 2000-10-24 | 2002-08-06 | Cuvelier Georges | Procede et installation pour la decoupe de pieces en verre. |
US7918846B2 (en) * | 2000-12-05 | 2011-04-05 | Amo Manufacturing Usa, Llc | Method and system for laser treatment of refractive errors using offset imaging |
US20040115271A1 (en) * | 2002-06-21 | 2004-06-17 | Alex Sacharoff | Hydration compositions for corneal pre-surgery treatment |
ES2384871T3 (es) * | 2003-02-14 | 2012-07-13 | Universität Heidelberg | Procedimiento de generación de al menos un impulso y/o secuencia de impulsos con parámetros controlables |
WO2005089185A2 (en) * | 2004-03-15 | 2005-09-29 | Visx, Incorporated | Stabilizing delivered laser energy |
US9545338B2 (en) | 2006-01-20 | 2017-01-17 | Lensar, Llc. | System and method for improving the accommodative amplitude and increasing the refractive power of the human lens with a laser |
US10842675B2 (en) | 2006-01-20 | 2020-11-24 | Lensar, Inc. | System and method for treating the structure of the human lens with a laser |
US9889043B2 (en) | 2006-01-20 | 2018-02-13 | Lensar, Inc. | System and apparatus for delivering a laser beam to the lens of an eye |
US8262646B2 (en) | 2006-01-20 | 2012-09-11 | Lensar, Inc. | System and method for providing the shaped structural weakening of the human lens with a laser |
DE502006009159D1 (de) * | 2006-05-31 | 2011-05-05 | Ziemer Holding Ag | Ophtalmologische Vorrichtung |
US7643521B2 (en) * | 2006-07-27 | 2010-01-05 | Technolas Perfect Vision Gmbh | Material processing system with variable repetition rate laser |
US8500723B2 (en) | 2008-07-25 | 2013-08-06 | Lensar, Inc. | Liquid filled index matching device for ophthalmic laser procedures |
US8480659B2 (en) | 2008-07-25 | 2013-07-09 | Lensar, Inc. | Method and system for removal and replacement of lens material from the lens of an eye |
US8382745B2 (en) | 2009-07-24 | 2013-02-26 | Lensar, Inc. | Laser system and method for astigmatic corrections in association with cataract treatment |
US8758332B2 (en) | 2009-07-24 | 2014-06-24 | Lensar, Inc. | Laser system and method for performing and sealing corneal incisions in the eye |
JP2013500086A (ja) | 2009-07-24 | 2013-01-07 | レンサー, インク. | Ladarを利用した手順を眼の水晶体に実施するシステムおよび方法 |
US8617146B2 (en) | 2009-07-24 | 2013-12-31 | Lensar, Inc. | Laser system and method for correction of induced astigmatism |
AU2010275482A1 (en) | 2009-07-24 | 2012-02-16 | Lensar, Inc. | System and method for providing laser shot patterns to the lens of an eye |
US8556425B2 (en) | 2010-02-01 | 2013-10-15 | Lensar, Inc. | Purkinjie image-based alignment of suction ring in ophthalmic applications |
USD695408S1 (en) | 2010-10-15 | 2013-12-10 | Lensar, Inc. | Laser system for treatment of the eye |
EP4205633A1 (en) | 2010-10-15 | 2023-07-05 | Lensar, Inc. | System and method of scan controlled illumination of structures within an eye |
USD694890S1 (en) | 2010-10-15 | 2013-12-03 | Lensar, Inc. | Laser system for treatment of the eye |
US10463541B2 (en) | 2011-03-25 | 2019-11-05 | Lensar, Inc. | System and method for correcting astigmatism using multiple paired arcuate laser generated corneal incisions |
US9393154B2 (en) | 2011-10-28 | 2016-07-19 | Raymond I Myers | Laser methods for creating an antioxidant sink in the crystalline lens for the maintenance of eye health and physiology and slowing presbyopia development |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE215698C (pt) * | ||||
US3096767A (en) * | 1961-05-11 | 1963-07-09 | Trg Inc | Photo-cauterizer with coherent light source |
US3703176A (en) * | 1970-05-28 | 1972-11-21 | Arthur Vassiliadis | Slit lamp photocoagulator |
US3720213A (en) * | 1971-02-05 | 1973-03-13 | Coherent Radiation | Laser photocoagulator |
US3796220A (en) * | 1972-03-24 | 1974-03-12 | H Bredemeier | Stereo laser endoscope |
US3769963A (en) * | 1972-03-31 | 1973-11-06 | L Goldman | Instrument for performing laser micro-surgery and diagnostic transillumination of living human tissue |
US3821510A (en) * | 1973-02-22 | 1974-06-28 | H Muncheryan | Hand held laser instrumentation device |
US4165744A (en) * | 1977-07-05 | 1979-08-28 | Cravy Thomas V | Dynamic keratometry and keratoscopy method and apparatus |
SU929097A1 (ru) * | 1977-08-01 | 1982-05-23 | Предприятие П/Я Р-6681 | Способ лечени заболеваний роговицы глаза |
SU975011A1 (ru) * | 1981-05-06 | 1982-11-23 | Всесоюзный Научно-Исследовательский Институт Глазных Болезней | Способ маркировки главного меридиана астигматического глаза |
DE3148748A1 (de) * | 1981-12-09 | 1983-07-21 | Karp, Manfred, 5300 Bonn | Vorrichtung zur beeinflussung hochempfindlicher flaechen |
US4461294A (en) * | 1982-01-20 | 1984-07-24 | Baron Neville A | Apparatus and process for recurving the cornea of an eye |
ATE28974T1 (de) * | 1982-12-09 | 1987-09-15 | Ibm | Abtragung biologischen materials mittels photochemischer zersetzung. |
US4665913A (en) * | 1983-11-17 | 1987-05-19 | Lri L.P. | Method for ophthalmological surgery |
CA1243732A (en) * | 1983-11-17 | 1988-10-25 | Francis A. L'esperance | Method and apparatus for ophthalmological surgery |
US4729372A (en) * | 1983-11-17 | 1988-03-08 | Lri L.P. | Apparatus for performing ophthalmic laser surgery |
US4538608A (en) * | 1984-03-23 | 1985-09-03 | Esperance Jr Francis A L | Method and apparatus for removing cataractous lens tissue by laser radiation |
US4648400A (en) * | 1985-05-06 | 1987-03-10 | Rts Laboratories, Inc. | Ophthalmic surgery system |
-
1985
- 1985-02-04 FR FR8501614A patent/FR2576780B1/fr not_active Expired - Lifetime
-
1986
- 1986-01-30 AT AT86400192T patent/ATE55237T1/de not_active IP Right Cessation
- 1986-01-30 BR BR8605132A patent/BR8605132A/pt not_active IP Right Cessation
- 1986-01-30 EP EP86400192A patent/EP0191688B1/fr not_active Expired - Lifetime
- 1986-01-30 JP JP61500810A patent/JPH07121267B2/ja not_active Expired - Fee Related
- 1986-01-30 US US06/918,825 patent/US4973330A/en not_active Expired - Lifetime
- 1986-01-30 DE DE8686400192T patent/DE3673184D1/de not_active Expired - Lifetime
- 1986-01-30 WO PCT/FR1986/000026 patent/WO1986004500A1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
EP0191688B1 (fr) | 1990-08-08 |
DE3673184D1 (de) | 1990-09-13 |
US4973330A (en) | 1990-11-27 |
EP0191688A1 (fr) | 1986-08-20 |
JPS62502026A (ja) | 1987-08-13 |
ATE55237T1 (de) | 1990-08-15 |
JPH07121267B2 (ja) | 1995-12-25 |
FR2576780A1 (fr) | 1986-08-08 |
FR2576780B1 (fr) | 1991-06-14 |
WO1986004500A1 (fr) | 1986-08-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB19 | Grant procedure suspended (art. 19) | ||
FF | Decision: intention to grant | ||
KD | Notifcation of receipt (letter patent) | ||
FG | Letter patent granted | ||
B22B | Petition not considered [chapter 22.2 patent gazette] | ||
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 30/01/2001 |