Abstract: A chuck for clamping a shaft. The chuck includes a jaw guide defining an axis and including jaw channels circumferentially distributed about the axis. Interleaving jaws are slidably disposed in the jaw channels and each jaw has a clamping surface facing the axis and a driving surface opposite the clamping surface and a protrusion on one side and a cavity on another side with the protrusion of each jaw disposed at least partially in the cavity of an adjacent jaw. A spring having a base and fingers extending from the base are engageable with the jaws to retain the jaws in the jaw channels. An inclined engagement surface is included on an inner surface of the jaw guide or an engagement sleeve. Displacement of the jaws relative to the inclined engagement surface in a clamping direction displaces the clamping surfaces toward the axis.

Abstract: A chuck (10) includes a jaw guide (64), interleaving jaws (66), and an inclined engagement surface (84). The jaw guide defines a longitudinal axis (24) and includes jaw channels (65) circumferentially distributed about the axis. The jaws are slidably disposed in the jaw channels Each jaw has a clamping surface (88) facing the axis and a driving surface (90) substantially opposite the clamping surface and a protrusion (92) on a first lateral side and a cavity (96) on a second lateral side. The protrusion of each jaw is disposed at least in part in the cavity of an adjacent jaw. The engagement surface is on one of an inner surface of the jaw guide and an engagement sleeve (80), and is substantially centered about the axis and substantially parallel to the driving surface. Displacement of the jaws relative to the engagement surface in a clamping direction displaces the clamping surfaces toward the axis.

Abstract: A chuck (10) includes a jaw guide (64), interleaving jaws (66), and an inclined engagement surface (84). The jaw guide defines a longitudinal axis (24) and includes jaw channels (65) circumferentially distributed about the axis. The jaws are slidably disposed in the jaw channels Each jaw has a clamping surface (88) facing the axis and a driving surface (90) substantially opposite the clamping surface and a protrusion (92) on a first lateral side and a cavity (96) on a second lateral side. The protrusion of each jaw is disposed at least in part in the cavity of an adjacent jaw. The engagement surface is on one of an inner surface of the jaw guide and an engagement sleeve (80), and is substantially centered about the axis and substantially parallel to the driving surface. Displacement of the jaws relative to the engagement surface in a clamping direction displaces the clamping surfaces toward the axis.

Abstract: A universal wire driver attachment comprises a driveshaft forming a lumen extending along a longitudinal axis. The driveshaft forms a plurality of channels extending perpendicularly from the longitudinal axis. The attachment further comprises a plurality of primary jaws movably disposed at least partially within the channels. The primary jaws comprise a plurality of wire gripping surfaces facing the longitudinal axis and configured to grip the surgical wire. The primary jaws cooperate with the channels such that the primary jaws are constrained from moving in an axial direction along the longitudinal axis. The primary jaws are capable of moving outward from the longitudinal axis when the surgical wire is inserted between the primary jaws, and the primary jaws are capable of being urged inward toward the longitudinal axis by the securing mechanism to increase a grip force on the surgical wire.

Abstract: A universal wire driver attachment comprises a driveshaft forming a lumen extending along a longitudinal axis. The driveshaft forms a plurality of channels extending perpendicularly from the longitudinal axis. The attachment further comprises a plurality of primary jaws movably disposed at least partially within the channels. The primary jaws comprise a plurality of wire gripping surfaces facing the longitudinal axis and configured to grip the surgical wire. The primary jaws cooperate with the channels such that the primary jaws are constrained from moving in an axial direction along the longitudinal axis. The primary jaws are capable of moving outward from the longitudinal axis when the surgical wire is inserted between the primary jaws, and the primary jaws are capable of being urged inward toward the longitudinal axis by the securing mechanism to increase a grip force on the surgical wire.