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CSTSetup
Surgical instrument · Cutting & Dissecting

Cornea PK Punch Handle

Official 1 photo

A bench-top corneal punch. A heavy base holds a white cutting block, and an arm above it guides a plunger with a knurled top that drives a round trephine blade straight down onto the block.

Primary uses

What this instrument is on the table to do.

Cuts the donor corneal button in penetrating keratoplasty. The donor cornea is laid in the curved well of the block, endothelial side up, and punched from behind, usually with a trephine about 0.5 mm larger than the one used on the patient's eye.

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