Medical Products

MICRO FEATHER Ophthalmic knife

Blade bevel

side view of blade tip

side view of blade tip

Blade bevel means whether blade is formed on both sides or blade is formed only on one side.
Blade that is honed on both sides is referred to as bi-bevel,
while blade is formed only on one side with the honed surface facing up is referred to as bevel-up,
and with the honed surface facing down is referred to as bevel-down.

Product Lineup

Incision knife
Incision knife

The straight. ultra-sharp blade is precisely honed in micron units for optimum use in semilaminar incisions and centesis incisions of the sclera and cornea.

Items and Product Numbers
Groove knife
Groove knife

The stainless steel guard provided on one side of the 30°straight blade makes it possible to assure a consistent cutting depth for incisions in the sclera and cornea while also preventing obstruction of the viewing field during incision.
Furthermore the guarded depth feature of the 'Groove knife' makes it ideal for performing Limbal Relaxing Incisions(LRI).

Items and Product Numbers
Groove knife for Glaucoma surgery
Groove knife for glaucoma surgery

The stainless steel guard of 0.1mm thickness provided on one side of the 30°straight blade makes it possible to assure a consistent cutting depth for incision in the upper half of the sclera.

Items and Product Numbers
Crescent knife
Crescent knife

The blade design features straight sides and a round tip and is optimum for creating scleral tunnel flaps.
In addition, this knife is available in bi-bevel, bevel-up and bevel-down types to accommodate the needs of surgeons.

Items and Product Numbers
Round tunnel knife
Round tunnel knife

The sharp, round blade edge is beveled on both sides,
gradually extending from the center of the circle,
and perfect for creating scleral tunnel flaps.

Items and Product Numbers
Slit knife(Flat Shaft Type)
Slit knife(Flat Shaft Type)

This knife is used for sclerocornea centesis incisions during cataract surgery.
A choice of knives with keratome angles (40°,45°, 50° or 60°) and blade edge types (bevels) allows surgeons to make a wide range of incisions.

Items and Product Numbers
Slit knife(Round Shaft Type)
Slit knife(Round Shaft Type)

This knife is used for sclerocornea centesis incisions during cataract surgery.

Items and Product Numbers
Slit knife(Rib & R Type)
Slit knife(Rib & R Type)

①Arrowhead-shaped curved edge reduces incision resistance
②Both sides of knife are thinly grinded (RIB shape)

Slit knife(Parallel Side Type)
Slit knife(Parallel Side Type)

This knife has a blade with chamfered side edges to facilitate smoother puncture into the sclerocornea, giving less tissue invasion.

Items and Product Numbers
Implant knife
Implant knife

This knife is used to widen the incision wound opening for implantation of an intraocular lens.
The trapezoidal shape of the blade tip enables it to be used safely.

Items and Product Numbers
Implant knife with guide
Implant knife with guide

The stainless steel guide of 1.0mm width provided on the blade edge makes it possible to widen the incision maintaining the uniform depth without deviation.

Items and Product Numbers
MVR knife
MVR knife

This knife is used for centesis incision into the sclera during vitreous body surgery.
It is also used to create side ports during cataract surgery.

Items and Product Numbers
Scleral knife
Scleral knife

This knife is used for making incisions in the sclera.
It is also used to create scleral flaps during glaucoma surgery.

Items and Product Numbers

ページトップ