RU95103955A - Cataract extirpation method - Google Patents

Cataract extirpation method

Info

Publication number
RU95103955A
RU95103955A RU95103955/14A RU95103955A RU95103955A RU 95103955 A RU95103955 A RU 95103955A RU 95103955/14 A RU95103955/14 A RU 95103955/14A RU 95103955 A RU95103955 A RU 95103955A RU 95103955 A RU95103955 A RU 95103955A
Authority
RU
Russia
Prior art keywords
fragments
pulses
lens
aspiration
lens nucleus
Prior art date
Application number
RU95103955/14A
Other languages
Russian (ru)
Other versions
RU2102048C1 (en
Inventor
С.Н. Федоров
В.Г. Копаева
Ю.В. Андреев
А.В. Ерофеев
М.Л. Гельфонд
А.В. Беликов
А.Д. Семенов
В.С. Тюрин
Д.Н. Дылев
Original Assignee
Межотраслевой научно-технический комплекс "Микрохирургия глаза"
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Межотраслевой научно-технический комплекс "Микрохирургия глаза" filed Critical Межотраслевой научно-технический комплекс "Микрохирургия глаза"
Priority to RU95103955A priority Critical patent/RU2102048C1/en
Publication of RU95103955A publication Critical patent/RU95103955A/en
Application granted granted Critical
Publication of RU2102048C1 publication Critical patent/RU2102048C1/en

Links

Abstract

FIELD: medicine; surgery; ophthalmology. SUBSTANCE: cataract extirpation method involves laser irradiation, irrigation, and aspiration of the crystalline lens nucleus fragments. The solid body laser operates in the medium IR waveband 1,900-2,200 nm, pulse energy 10-800 mJ, rate of pulsation 10-100 Hz, pulse duration 50-500 mcs, quasi-rectangular pulses, 500-600 pulses in the entire series. The exposure time is 3.0-3.5 min. This time is sufficient for disruption of intermolecular bonds in the irradiated tissue and fine fragmentation of the crystalline lens nucleus. The fragments are aspired through the working needle tip. EFFECT: full destruction and aspiration of fragments; minimal risk of unfavorable developments in surrounding tissues.

Claims (1)

Изобретение относится к медицине, а именно к офтальмологии, и может быть использовано при хирургическом лечении катаракты. Техническим результатом изобретения является достижение полного разрушения и аспирации фрагментов ядра хрусталика при "твердых катарактах" с минимальным риском развития изменений в окружающих хрусталик тканях глаза. Технический результат достигается тем, что в способе экстракции катаракты, включающем воздействие лазерным излучением, ирригацию и аспирацию фрагментов ядра хрусталика, согласно изобретению лазерным излучением на наконечнике рабочей иглы воздействуют непосредственно на ядро хрусталика, при этом используется твердотельный лазер среднего ИК-диапазона с длиной волны 1900 - 2200 нм, энергией импульсов 10 - 800 мДж, частотой импульсов 10 - 100 Гц, длительностью импульсов 50 - 500 мкс, квазипрямоугольной формой импульсов, 500 - 600 импульсов во всей серии излучения, длительность лазерного воздействия на ядро хрусталика 3 - 3,5 мин, который вызывает разрыв межмолекулярных связей в облучаемой ткани и фрагментацию ядра хрусталика на мелкие "осколки", которые далее аспирируются через наконечник рабочей части иглы.The invention relates to medicine, namely to ophthalmology, and can be used in the surgical treatment of cataracts. The technical result of the invention is the achievement of complete destruction and aspiration of fragments of the lens nucleus with "hard cataracts" with a minimal risk of changes in the surrounding tissues of the lens of the eye. The technical result is achieved by the fact that in the method of cataract extraction, which includes exposure to laser radiation, irrigation and aspiration of fragments of the lens nucleus, according to the invention, laser radiation at the tip of the working needle directly affects the lens nucleus, using a mid-IR solid-state laser with a wavelength of 1900 - 2200 nm, pulse energy 10 - 800 mJ, pulse frequency 10 - 100 Hz, pulse duration 50 - 500 μs, quasi-rectangular shape of pulses, 500 - 600 pulses in the whole series of pulses cheniya duration of laser action on the nucleus of the lens 3 - 3.5 minutes, which causes rupture of intermolecular bonds in the irradiated tissue and lens nucleus fragmentation into small "fragments", which are then aspirated through the working part of the needle tip.
RU95103955A 1995-03-20 1995-03-20 Method for extracting cataract RU2102048C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU95103955A RU2102048C1 (en) 1995-03-20 1995-03-20 Method for extracting cataract

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU95103955A RU2102048C1 (en) 1995-03-20 1995-03-20 Method for extracting cataract

Publications (2)

Publication Number Publication Date
RU95103955A true RU95103955A (en) 1996-11-27
RU2102048C1 RU2102048C1 (en) 1998-01-20

Family

ID=20165781

Family Applications (1)

Application Number Title Priority Date Filing Date
RU95103955A RU2102048C1 (en) 1995-03-20 1995-03-20 Method for extracting cataract

Country Status (1)

Country Link
RU (1) RU2102048C1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003039416A1 (en) * 2001-11-08 2003-05-15 Evgeny Nikolaevich Ananiev Method for intracapsular destruction of a cataract-altered crystalline lens and device for carrying out said method
EA200700010A1 (en) * 2006-11-09 2007-12-28 Государственное Научное Учреждение Институт Физики Имени Б.И. Степанова Национальной Академии Наук Беларуси METHOD OF "COLD" LASER FRAGMENTATION OF BIOLOGICAL TISSUES

Also Published As

Publication number Publication date
RU2102048C1 (en) 1998-01-20

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