This needle holder was designed for three reasons:
Many small curved needles are broken by needleholders with a catch and with wide jaws.
The snap of a catch sometimes startles a patient.
In introducing needles in delicate operations it is sometimes awkward to manipulate a catch.
The handle is 83 mm. long; the jaws are 8 mm. long and 2 mm. wide. The lever arm that manipulates the blades is 55 mm. long, which permits the needle to be held firmly with slight pressure. At the end of the arm that activates the jaws is a rounded and roughened finger piece which encircles three fourths of the handle, permitting the needle holder to be rotated in the fingers, still maintaining even pressure on the needle. The needle holder was first designed for introducing small curved needles in cataract work, in which the sound of an opening needle holder might frighten the
Berens C. A NEEDLE HOLDER WITHOUT CATCH, DESIGNED FOR SMALL CURVED NEEDLES. JAMA. 1926;87(14):1127. doi:10.1001/jama.1926.92680140001012