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holding the needle in position while applying sutures •Silcock's needle holder-do-; has a catch and is used for heavier gauge needles; used mainly for skin, muscle and corneal incisions •Arruga's needle holder-do-; has a catch (lock) and is used for heavier gauge needles (thicker than 6–0); used mainly for skin, muscle and corneal incisions
Intravitreal injection is the method of administration of drugs into the eye by injection with a fine needle. The medication will be directly applied into the vitreous humor . [ 1 ] It is used to treat various eye diseases, such as age-related macular degeneration (AMD) , diabetic retinopathy , and infections inside the eye such as ...
In this procedure aqueous humor from the anterior chamber of eyeball is drained out by using a tuberculin syringe, with or without a plunger attached to a hypodermic needle or a paracentesis incision. [1] Eye is anesthetized using proparacaine or tetracaine eye drops prior to ACP. [5] Paracentesis is performed through the clear cornea adjacent ...
The needle is inserted at this point and about 4 ml of local anaesthetic is injected while withdrawing the needle. Pain at the injection site may occur if O' Brien's block is applied. [3] Atkinson's block : The superior branch of the facial nerve is blocked by injecting the anaesthetic solution at the inferior margin of zygomatic bone.
A sharp instrument, such as a thorn or needle, is used to pierce the eye either at the edge of the cornea or the sclera, near the limbus. The opaque lens is pushed downwards, allowing light to enter the eye. Once the patients sees shapes or movement, the procedure is stopped.
Hypodermic needle / Syringe: for injections and aspiration of blood or fluid from the body Infection control equipment: as in gloves, gowns, bonnets, shoe covers, face shields, goggles, and surgical masks for preventing nosocomial or healthcare-associated infection: Instrument sterilizer: to sterilize instruments in absence of an autoclave ...
MSICS is a procedure that was developed to reduce costs in comparison with phacoemulsification, which requires expensive high-tech equipment that needs skilled maintenance, and is relatively unsuited to less developed regions, and to eliminate the need for suturing the incision, by using a self-sealing incision.
A dose-sparing syringe and needle being used to draw up a COVID-19 vaccine. A dose-sparing syringe is one which minimises the amount of liquid remaining in the barrel after the plunger has been depressed. These syringes feature a combined needle and syringe, and a protrusion on the face of the plunger to expel liquid from the needle hub.