SU990220A1 - Ирисретрактор - Google Patents
Ирисретрактор Download PDFInfo
- Publication number
- SU990220A1 SU990220A1 SU813292251A SU3292251A SU990220A1 SU 990220 A1 SU990220 A1 SU 990220A1 SU 813292251 A SU813292251 A SU 813292251A SU 3292251 A SU3292251 A SU 3292251A SU 990220 A1 SU990220 A1 SU 990220A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- hook
- manipulator
- handle
- iris retractor
- slot
- Prior art date
Links
- 208000002177 Cataract Diseases 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 2
- ZGNWFSOVIDZVCK-RHEINJKJSA-N (4s,4as,5as,6s,12ar)-4-(dimethylamino)-1,6,10,11,12a-pentahydroxy-6-methyl-n-(morpholin-4-ylmethyl)-3,12-dioxo-4,4a,5,5a-tetrahydrotetracene-2-carboxamide;(3r,5s,6s,7r,8s,9r,12r,13r,14s,15r)-6-[(2s,3r,4s,6r)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]o Chemical compound OC([C@@]1(O)C(=O)C=2[C@@H]([C@](C3=CC=CC(O)=C3C=2O)(C)O)C[C@H]1[C@@H](C1=O)N(C)C)=C1C(=O)NCN1CCOCC1.O1[C@@H](C)[C@H](O)[C@@H](OC)C[C@@H]1O[C@@H]1[C@@H](C)C(=O)O[C@H](C)[C@H](C)[C@H](O)[C@@H](C)C(=O)[C@@]2(OC2)C[C@H](C)[C@H](O[C@H]2[C@@H]([C@H](C[C@@H](C)O2)N(C)C)O)[C@H]1C ZGNWFSOVIDZVCK-RHEINJKJSA-N 0.000 claims 1
- 208000002847 Surgical Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 210000004127 vitreous body Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/02—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/02—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors
- A61B17/0231—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors for eye surgery
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Ophthalmology & Optometry (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Vascular Medicine (AREA)
- Eye Examination Apparatus (AREA)
Description
(54) ИРИСРЕТРАКТОР
1
Изобретение относитс к медицинской технике, а именно к офтальмологическим инструментам, используемым при операции криоэкстракции катаракты. Главным этапом при проведении такой операции вл етс выведение хрусталика путем примораживани его к криоэкстрактору. При этом дл обнажени поверхности хрусталика радужна оболочка сдвигаетс кверху при помощи специальных крючков-ирисретракторов .
Известен ирисретрактор, состо щий из руко тки, заканчивающейс крючком 1.
Недостатком этого ирисретрактора вл етс то, что при его извлечении после удалени хрусталика возможны травмы тканей глаза.
Наиболее близким к предлагаемому изобретению по технической сущности и достигаемому положительному эффекту вл етс ирисретрактор, содержащий руко тку и манипул тор с крючком 2.
Недостатком этого ирисретрактора вл етс его высока травматичность, поскольку освобождение крючка после удалени хрусталика сопровождаетс раскрытием операционной раны, что может привести к выпадению стекловидного тела.
Целью изобретени вл етс повышение безопасности экстракции катаракты.
Поставленна цель достигаетс тем, что ирисретрактор, содержащий руко тку и манипул тор с крючком, снабжен механизмом фиксации крючка относительно манипул тора , при этом последний соединен с крючком при помощи щарнира.
При этом механизм фиксации содержит т гу, проход щую в трубчатом корпусе манипул тора и св занную со стороны руко тки с пружиной, а со стороны крючка оканчивающуюс стопорными щтифтом, причем со стороны руко тки т га снабжена 15 прорезью, взаимодействующей с приводным рычагом, который входит в эту прорезь , а со стороны крючка в подвижном его элементе выполнена выемка, взаимодействующа со щтифтом т ги.
На фиг. 1 изображен ирисретрактор, общий вид; на фиг. 2 - то же, рабоча часть; на фиг. 3 - механизм фиксации.
Ирисретрактор состоит из манипул тора I и руко тки 2. Манипул тор 1 состоит
из трубчатого корпуса 3, соединенного с рабочей частью 4. Рабоча часть 4 состоит из неподвижного 5 и подвижного 6 элементов , соединенных между собой шарниром 7. В полом корпусе 3 манипул тора 1,имеетс т га 8 с фиксирующим штифтом 9 и пружиной 10. На т ге 8 установлен приводной рычаг 11. Подвижный элемент 6 с внутренней стороны имеет выемку 12. В руко тке 2 выполнена прорезь 13. Механизм фиксации подвижного элемента состоит из т ги 8, св занной с фиксирующим щтифтом 9 и с пружиной 10. При этом т га 8 взаимодействует с приводным рычагом 11, который входит в прорезь 13.
Ирисретрактор работает следующим образом .
Перед операцией подвижный элемент 6 рабочей части 4 устанавливаетс перпендикул рно к неподвижному элементу 5. Дл этого под действием пружины 10 т га 8 смещаетс в сторону рабочей части 4. Фиксирующий штифт 9 входит в выемку 12 подвижного элемента 6. После выполнени предварительных этапов операции ирисретрактор подвижным элементом 6 заводитс за край зрачка глаза и радужна оболочка отодвигаетс вверх, обнажа переднюю поверхность хрусталика. После извлечени хрусталика с помощью приводного рычага Ijl, т га 8 сдвигаетс в сторону руко тки 2. При этом фиксирующий штифт 9 выходит из выемки 12 подвижного элемента 6. Подвижный элемент 6, лишенный фиксации , свободно враща сь на шарнире 7, принимает продольное положение, освобожда край радужной оболочки, котора возФг/г . /
вращаетс в исходное положение. После этого Ирисретрактор извлекаетс из глаза. Изобретение позвол ет повысить атравматичность операции криоэкстракции катаракты . При его использовании случаи затруднений при выведении ирисретрактора практически исключаютс .
Claims (2)
1.Ирисретрактор, содержащий руко тку и манипул тор с крючком, отличающийс тем, что, с целью повышени безопасности операции экстракции катаракты, он снабжен механизмом фиксации крючка относительно манипул тора, при этом последний соединен с крючком при помощи шарнира.
2.Ирисретрактор по п. 1, отличающийс тем, что механизм фиксации содержит т гу, проход щую в трубчатом корпусе манипул тора и св занную со стороны руко тки с пружиной, а со стороны крючка оканчивающуюс стопорным щтифтом, причем со стороны руко тки т га снабжена прорезью, взаимодействующей с приводным рычагом, который входит в эту прорезь, а со стороны крючка в подвижном его элементе выполнена выемка, взаимодействующа со штифтом т ги.
Источники информации, прин тые во внимание при экспертизе
1.Каталог «Инструменты дл офтальмологии , В/О «Медэкспорт, № 6-118-02, стр. 28, Внещторгиздат.
2.Каталог фирмы Ганс Гейдер, 1976, 23, 15530.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU813292251A SU990220A1 (ru) | 1981-06-15 | 1981-06-15 | Ирисретрактор |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU813292251A SU990220A1 (ru) | 1981-06-15 | 1981-06-15 | Ирисретрактор |
Publications (1)
Publication Number | Publication Date |
---|---|
SU990220A1 true SU990220A1 (ru) | 1983-01-23 |
Family
ID=20959582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU813292251A SU990220A1 (ru) | 1981-06-15 | 1981-06-15 | Ирисретрактор |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU990220A1 (ru) |
Cited By (229)
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US4782820A (en) * | 1987-10-22 | 1988-11-08 | Woods Randall L | Iris retaining device |
US5271385A (en) * | 1990-03-29 | 1993-12-21 | United States Surgical Corporation | Abdominal cavity organ retractor |
US5339802A (en) * | 1992-10-19 | 1994-08-23 | Cook Richard G | Endoscopic retractor |
US5374272A (en) * | 1993-06-29 | 1994-12-20 | Vitrophage, Inc. | Apparatus and method for mechanically dilating the pupil of an eye |
US5381788A (en) * | 1991-08-05 | 1995-01-17 | United States Surgical Corporation | Surgical retractor |
US5383888A (en) * | 1992-02-12 | 1995-01-24 | United States Surgical Corporation | Articulating endoscopic surgical apparatus |
US5391180A (en) * | 1991-08-05 | 1995-02-21 | United States Surgical Corporation | Articulating endoscopic surgical apparatus |
US5403342A (en) * | 1992-04-23 | 1995-04-04 | United States Surgical Corporation | Articulating endoscopic surgical apparatus |
EP0653197A1 (de) * | 1993-11-15 | 1995-05-17 | Duke University Medical Center | Operationshaken zur Verwendung beim Eingriff am Auge eines Lebewesens |
US5431662A (en) * | 1992-02-12 | 1995-07-11 | United States Surgical Corporation | Manipulator apparatus |
US5445140A (en) * | 1993-06-07 | 1995-08-29 | United States Surgical Corporation | Endoscopic surgical device |
US5490819A (en) * | 1991-08-05 | 1996-02-13 | United States Surgical Corporation | Articulating endoscopic surgical apparatus |
US5571115A (en) * | 1992-02-12 | 1996-11-05 | United States Surgical Corporation | Manipulator apparatus |
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US5643294A (en) * | 1993-03-01 | 1997-07-01 | United States Surgical Corporation | Surgical apparatus having an increased range of operability |
US5735842A (en) * | 1995-09-11 | 1998-04-07 | St. Jude Medical, Inc. | Low profile manipulators for heart valve prostheses |
US5788710A (en) * | 1996-04-30 | 1998-08-04 | Boston Scientific Corporation | Calculus removal |
US5814101A (en) * | 1996-09-25 | 1998-09-29 | St. Jude Medical, Inc. | Holder for heart valve prosthesis |
US6330965B1 (en) | 1997-09-23 | 2001-12-18 | United States Surgical Corporation | Surgical stapling apparatus |
US6679886B2 (en) | 2000-09-01 | 2004-01-20 | Synthes (Usa) | Tools and methods for creating cavities in bone |
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