Patent ID: 11890064
Assignee: INTELLIJOINT SURGICAL INC.
Field: Medical technology (Instruments)
Classification: CPC A  G | IPC A  G

Claim 26:
27. A system comprising:
a first target configured to attach to a pelvis of a patient, the first target configured to provide positional information in up to six degrees of freedom to the optical sensor;
a second target configured to attach in a known positional relationship to an object, the second target configured to provide positional information in up to six degrees of freedom to the optical sensor, the object comprising a femur, a surgical tool or an implant;
a handheld registration device configured to define at least one axis of an anatomy of the patient;
a handheld sensor comprising an optical sensor configured to provide optical information and a measuring sensor configured to provide measurements for determining a direction of gravity; and
an intra-operative computing unit configured to:
receive, from the handheld sensor, first optical information for the first target and second target, and first measurements for determining the direction of gravity, the first optical information and the first measurements received for a registration step, the first optical information comprising information for the second target attached to the registration device to determine at least one axis relative to the anatomy; and
perform a registration to register the anatomy of the patient in the intra-operative computing unit using the measurements for determining the direction of gravity and the first optical information.