Ophthalmic instrument
First Claim
1. In an ophthalmic instrument for removing vitreous and the like from the eye and for replenishing the removed vitreous and the like with saline solution having a body, cutting means connected to said body, infusion means connected to said body for infusing saline solution through said cutting means into the eye, vacuum means connected to said body for generating a vacuum in said cutting means for removing material excised from the eye and pneumatic driving means connected to said body for driving said cutting means, the improvement wherein said body comprises:
- an elongated case having an open end defined by a back mating edge and a smooth, unobstructed exterior surface,an infusion passageway formed internally in said case communicating said cutting means with said back mating edge,a vacuum passageway formed internally in said case communicating said cutting means with said back mating edge,cap means connected to said back mating edge, said cap means having side walls and an end wall, the exterior surface of said side walls being smooth and unobstructed and forming a continuation of the exterior surface of said case, andconnecting means extending through said end wall of said cap means for communicating said infusion and vacuum passageways to said infusion and vacuum means respectively, and for communicating said pneumatic driving means to said cutting means.
3 Assignments
0 Petitions
Accused Products
Abstract
An improved ophthalmic instrument for removing vitreous and the like from the eye is provided having a smooth, unobstructed exterior surface for easy handling. The air pressure connection, vacuum connection and saline infusion connection are made through the end wall of the cap of the device.
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Citations
5 Claims
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1. In an ophthalmic instrument for removing vitreous and the like from the eye and for replenishing the removed vitreous and the like with saline solution having a body, cutting means connected to said body, infusion means connected to said body for infusing saline solution through said cutting means into the eye, vacuum means connected to said body for generating a vacuum in said cutting means for removing material excised from the eye and pneumatic driving means connected to said body for driving said cutting means, the improvement wherein said body comprises:
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an elongated case having an open end defined by a back mating edge and a smooth, unobstructed exterior surface, an infusion passageway formed internally in said case communicating said cutting means with said back mating edge, a vacuum passageway formed internally in said case communicating said cutting means with said back mating edge, cap means connected to said back mating edge, said cap means having side walls and an end wall, the exterior surface of said side walls being smooth and unobstructed and forming a continuation of the exterior surface of said case, and connecting means extending through said end wall of said cap means for communicating said infusion and vacuum passageways to said infusion and vacuum means respectively, and for communicating said pneumatic driving means to said cutting means. - View Dependent Claims (2, 3, 4, 5)
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Specification