New iris retractor for use in cryosurgery.
نویسندگان
چکیده
منابع مشابه
Iris retractor for use with cryoextractors.
CRYOEXTRACTION has been established as a safe, indeed the safest, method of removing the cataractous lens. Numerous instruments have been designed for this purpose. Certain problems tend to present during this operation, in spite of careful attention to the preparation: (a) Even when the pupil is widely dilated at the start of the operation, it tends to become smaller during the opening of the ...
متن کاملCombined iris retractor and lens expressor.
To achieve upward retraction of the iris when applying forceps to the upper part of the lens capsule for intracapsular cataract extraction Verhoeff used a lip on one blade of the forceps. The instrument shown in Fig. 1 so retracts the iris that a better view is obtained of the upper part of the lens capsule for application of Arruga's capsule forceps than is possible when using Verhoeff's lippe...
متن کاملPatwardhan's cross-action iris retractor with double hook.
THIS instrument was originally designed in 1953 for facilitating the introduction of an acrylic lens implant after simple intracapsular cataract extraction. It is fairly easy to introduce the lower pole of the lenticulus behind the iris at 6 o'clock, but the iris has to be lifted up with an iris hook at 12 o'clock, so that the upper pole of the lenticulus can be placed behind it. The single iri...
متن کاملSelf-retaining lip retractor for use with the Macintosh laryngoscope.
Dear Sir, In the April 1950 edition of your Journal, Dr. Esplen illustrated a metal anaesthetic screen for use in thoracotomies in the lateral position. I agree that such a screen is essential to maintain a good view of the patient's airway, and more particularly to facilitate bronchoscopy without disturbing the operative field should it become necessary during operation. Such a screen can well...
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ژورنال
عنوان ژورنال: British Journal of Ophthalmology
سال: 1967
ISSN: 0007-1161
DOI: 10.1136/bjo.51.6.426