Abstract: A cutting guide is provided to assist a surgeon with resecting a portion of a patient's femoral neck or another bone. The cutting guide may include an opening configured to affix the cutting guide to at least one pin inserted into the patient's femoral neck, a proximal cutting surface, and a distal cutting surface. The proximal cutting surface defines a proximal cutting plane on the femoral neck and the distal cutting surface defines a distal cutting plane such that when cuts are made alone the proximal cutting plane and the distal cutting plane, a section of the femoral neck is removable. The pin may be inserted in the section of the femoral neck to be removed by an automated pin insertion tool. The tool may be configured to only operate when the pin is properly positioned and aligned to the femoral neck.

Abstract: An impactor and methods of operation of an impactor. The impactor includes an electromagnetic component having a stationary electromagnetic housing and a moving armature component. The housing includes a coil that receives an electric current resulting in generation of an electromagnetic field for triggering translation of the armature within the housing. The impactor includes a striker body coupled to the armature. The striker body includes a distal end. The impactor includes a strike chamber having an interior and a distal strike wall disposed at a distal end of the chamber, and a spacer disposed at a proximal end of the chamber and opposite the distal strike wall. The electromagnetic field forces the armature and the striker body to translate in at least one direction. Translation of the armature causes the distal end of the striker body to strike at least one of the distal strike wall and the spacer.

Abstract: An orthopedic surgical instrument has an instrument base, a shaft, and an end effector. The shaft is attached to the instrument base such that a distal end of the shaft extends away from the instrument base. The end effector is removably attached to the distal end of the shaft. An implant device can be removably attached to the distal end of the shaft. The end effector has one or more calibration features on an outer surface thereof, the one or more calibration features being provided for position registration and/or verification of the end effector.

Abstract: Kinematic couplings for affixing an end effector to a robotic arm covered in a surgical drape are provided. A kinematic coupling can include one or more attachment mechanisms for affixing the kinematic coupling to the robotic arm with or without piercing the surgical drape positioned thereover. The kinematic coupling can be configured to interchangeably engage with a number of different end effectors, including surgical instruments, cutting guides or jigs, tool holders, and so on.

Abstract: Systems and methods for tracking in a surgical procedure are disclosed herein. The method involves receiving a predefined model of a first anatomical structure, determining an alignment axis and center of rotation of the first anatomical structure with respect to a second anatomical structure, and acquiring point probe locations using a tracking system. The position and orientation of the first anatomical structure relative to a tracking marker are registered based on the point probe locations. Landmark locations associated with fixed landmarks on the first anatomical structure are acquired and registered relative to the tracking marker. A transformation matrix is generated between the center of rotation and the landmarks, and updated landmark locations are acquired. The method further determines anatomical structure characteristics based on the transformation matrix, updated landmark locations, and the predefined model.

Abstract: An offset reamer coupled with a tracking array having one or more targets for a tracking system. In some examples, the tracking array may be moved to multiple different mounting positions about the axis of reaming at the reamer element or reamer dome. In some examples, the tracking array may be moved between multiple different mounting positions on the offset reamer wherein the current mounting position is known and the translation between the current mounting position and the reamer element is known to the computer system for the tracking system.

Abstract: Kinematic couplings for affixing an end effector to a robotic arm covered in a surgical drape are provided. A kinematic coupling can include one or more attachment mechanisms for affixing the kinematic coupling to the robotic arm with or without piercing the surgical drape positioned thereover. The kinematic coupling can be configured to interchangeably engage with a number of different end effectors, including surgical instruments, cutting guides or jigs, tool holders, and so on.