Ophthalmic microsurgical instrument
AssigneeGrieshaber & Co. AG Schaffhausen
InventorsHeinz Etter, Jürg Attinger, Werner Maag
Life of this patent
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Abstract
A surgical instrument, includes an elongate housing having two housing parts. Disposed between the housing parts is a support arm having one axial end connected to the housing parts. A functional unit is secured to the other axial end of the support arm and includes a rod and an operating member acted upon by the rod, when the housing parts are squeezed together. A force-transmitting unit having an adjusting member is operatively connected to the rod, for translating a movement of the housing parts in a direction substantially transverse to the support arm, as the housing parts are squeezed together, into a linear axial movement of the adjusting member, to thereby actuate the operating member.
Claims24
A surgical instrument, comprising:
- an elongate housing having two housing parts;
- a support arm disposed between the housing parts and having opposite axial ends, with one of the axial ends connected to a rear end of the housing parts;
- a functional unit configured for attachment to the other one of the axial ends of the support arm, wherein the functional unit includes a rod and an operating member acted upon by the rod, as the housing parts are squeezed together;
- and
- a force-transmitting unit having an adjusting member operatively connected to the rod, for translating a movement of the housing parts in a direction substantially transverse to the support arm, as the housing parts are squeezed together, into a linear axial movement of the adjusting member, to thereby actuate the operating member via the rod, wherein the adjustment member includes a wedge-shaped head having two sliding surfaces, and wherein the force-transmitting unit includes at least two rollers mounted in confronting disposition on opposite inner walls of the housing parts, said rollers interacting with the two sliding surface of the adjusting member.
A surgical instrument, comprising:
- an elongate housing having two housing parts;
- a support arm disposed between the housing parts and having opposite axial ends, with one of the axial ends connected to a rear end of the housing parts;
- a functional unit configured for attachment to the other one of the axial ends of the support arm wherein the functional unit includes a rod and an operating member acted upon by the rod, as the housing parts are squeezed together;
- and
- a force-transmitting unit having an adjusting member operatively connected to the rod, for translating a movement of the housing parts in a direction substantially transverse to the support arm, as the housing parts are squeezed together, into a linear axial movement of the adjusting member, to thereby actuate the operating member via the rod, wherein the force-transmitting unit includes at least two rollers mounted in confronting disposition on opposite inner walls of the housing parts, said rollers interacting with the adjusting member and wherein the adjusting member has a wedge-shaped head having two sliding surfaces bearing upon the rollers.
Dependencies are inferred from the claim text.