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Research and development of ophthalmic surgical techniques |
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tel +31 (0)10 485 4882, fax +31 (0)10 485 2419 |
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Research and development of ophthalmic surgical techniques |
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tel +31 (0)10 485 4882, fax +31 (0)10 485 2419 |
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Instruments
The instrument set for posterior lamellar keratoplasty through a 9.0 mm sclero-corneal incision contains an intracorneal trephine, curved micro-scissors, and a spoon-shaped glide (see chapter 4). Because it seems to be difficult to monitor the iris and lens during the trephination and implantation of the donor, this set is considered obsolete, and no longer produced. Instead, a new set for posterior lamellar keratoplasty through a 5.0 mm scleral tunnel incision is used (see chapter 5), that contains
The latter sets was found to provide much better visualization of the intraocular structures during surgery, thereby minimizing the risk of inadvertent trauma to iris and lens (see chapter 5). In addition, the use of a 5.0 mm, instead of a 9.0 mm incision may further reduce the amount of induced astigmatism. Please be informed that the instruments shown on the videos are not the instruments of the current set. Images of the current set are not yet available.
Spatulas
A short, triangled spatula (RED) is used to dissect downward into the cornea, until the desired stromal depth is reached. A half-length, curved spatula (WHITE) with a rounded tip is used to make the dissection up to two thirds across the cornea, and a third, full-length spatula (BLUE) is used to complete the dissection across the cornea over 360 degrees.
All spatulas have sharpened edges to create a smooth interface, so that the risk of interface haze development is minimized (see chapter 3).
Curved micro-scissors
Images not yet available
Inserter
Image not yet available
Plastic stromal inlay
Image not yet available
Eye holder
Image not yet available
The NIIOC/DORC posterior lamellar keratoplasty set will be available soon. For information please contact:
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For making a deep dissection to approximately 95% corneal depth, a spatula set was developed, consisting of three spatulas, colorcoded like the dutch flag.