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Fort Lauderdale, FL, United States

Patent
MAKO Surgical | Date: 2015-03-30

A computer-assisted surgery system may have a robotic arm including a surgical tool and a processor communicatively connected to the robotic arm. The processor may be configured to receive, from a neural monitor, a signal indicative of a distance between the surgical tool and a portion of a patients anatomy including nervous tissue. The processor may be further configured to generate a command for altering a degree to which the robotic arm resists movement based on the signal received from the neural monitor; and send the command to the robotic arm.


A computer-assisted surgery system includes a display, an input device configured to receive data input by a user, and a processor, coupled to the input device and the display. The processor is configured to establish a first position of a pre-operative center of rotation of a joint in a first coordinate space of a first bone and a second coordinate space of a second bone and establish a second position of the pre-operative center of rotation of the joint in the first coordinate space, wherein the second position is a projection into the first coordinate space of the position of the pre-operative center of rotation maintained in a constant position in the second coordinate space. The processor is further configured to determine a change in a parameter associated with the joint based on the first and second positions and output a result indicating the determined change to the display.


Patent
MAKO Surgical | Date: 2015-05-28

A joint distraction lever for measuring a distraction force is disclosed. The joint distraction lever includes a lever body having a handle portion and a working portion. The lever body has a fulcrum extending from a bottom surface of the working portion of the lever body and a distal tip, wherein the distal tip is raised above a top surface of the working portion of the lever body. The joint distraction lever is configured to measure a distraction force applied at the distal tip during a distraction procedure when a torque is applied by an external force applied on the handle portion of the lever body. The joint distraction lever further includes an indicator configured to provide feedback related to the distraction force applied at the distal tip, as measured by the joint distraction lever.


Patent
MAKO Surgical | Date: 2015-08-12

A surgical system includes a surgical tool and a processing circuit. The processing circuit is configured to provide a plurality of virtual haptic interaction points where each virtual haptic interaction point is associated with a portion of the surgical tool such that movement of the surgical tool corresponds to movement of the plurality of virtual haptic interaction points, establish a haptic object that defines a working boundary for the surgical tool, and constrain at least one of the portions of the surgical tool based on a relationship between at least one of the plurality of virtual haptic interaction points and the haptic object.


A surgical system includes a surgical tool configured to be coupled to a cutting element, a force system configured to provide at least some force to the surgical tool, and a controller programmed to generate control signals. The control signals cause the force system to provide a first constraint on a users manual movement of the surgical tool when the cutting element is a first cutting element and provide a second constraint, different from the first constraint, on a users manual movement of the surgical tool when the cutting element is a second cutting element.

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