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TOY-1 a handle closer to the proximal end of the shaft; 207 Added by DJM 1 2022 1/19/22, 12:00 AM
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TOY-1 a bone probe at the distal end of the shaft; 208 Added by DJM 1 2022 1/19/22, 12:00 AM
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TOY-1 a head at the proximal end of the shaft, the head configured to accept a driving force to form a pedicle screw pilot hole in a vertebra of the patient; 209 Added by DJM 1 2022 1/19/22, 12:00 AM
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TOY-1 an angle mode switch configured to change an operating mode of the electronic circuit from measuring distance to measuring the orientation angle of the shaft; and 210 Added by DJM 1 2022 1/19/22, 12:00 AM
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TOY-1 a distance mode switch configured to change an operating mode of the electronic circuit from measuring the orientation angle of the shaft to measuring a distance between the surgical device and a second surgical device. 211 Added by DJM 1 2022 1/19/22, 12:00 AM
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TOY-1 16.The surgical device of claim 15, wherein the power supply, electronic circuit, housing, handle, head, and shaft are configured for single use with one patient. 212 Added by DJM 1 2022 1/19/22, 12:00 AM
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TOY-1 17.The surgical device of claim 16, wherein the orientation angle displayed to a user is accurate to within three tenths of a degree. 213 Added by DJM 1 2022 1/19/22, 12:00 AM
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TOY-1 18. A surgical device for intraoperative angle measurements during surgery on a patient, the surgical device comprising: 214 Added by DJM 1 2022 1/19/22, 12:00 AM
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TOY-1 a distal end opposite the proximal end; and 217 Added by DJM 1 2022 1/19/22, 12:00 AM
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TOY-1 a bone probe coupled to the shaft at the distal end, the bone probe configured to engage, penetrate into, and remain in stationary contact with cortical bone of the patient while a user orients the shaft to a desired orientation; 218 Added by DJM 1 2022 1/19/22, 12:00 AM
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TOY-1 a housing coupled to the shaft near the proximal end, the housing comprising: 219 Added by DJM 1 2022 1/19/22, 12:00 AM
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TOY-1 an anterior surface, a posterior surface, a superior surface, an inferior surface, and a pair of opposite lateral surfaces; 220 Added by DJM 1 2022 1/19/22, 12:00 AM
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TOY-1 a user interface configured to receive input data from a user by way of a zeroing switch and to display output data to a user on a display device; 221 Added by DJM 1 2022 1/19/22, 12:00 AM
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TOY-1 an electronic circuit configured to determine an orientation angle based on a reference axis perpendicular a horizontal plane defined by one of the surfaces of the housing during a calibration mode of the electronic circuit; and 222 Added by DJM 1 2022 1/19/22, 12:00 AM
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TOY-1 a power supply configured to provide power to the electronic circuit; 223 Added by DJM 1 2022 1/19/22, 12:00 AM
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TOY-1 a handle coaxial with the shaft and positioned between the bone probe and the proximal end of the shaft; and 224 Added by DJM 1 2022 1/19/22, 12:00 AM
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TOY-1 a head coupled to the shaft near the proximal end, the head configured to receive an axial force along the shaft from a user when the shaft is oriented at the orientation angle. 225 Added by DJM 1 2022 1/19/22, 12:00 AM
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TOY-1 19.The surgical device of claim 18, wherein the electronic circuit enters the calibration mode in response to activation of the zeroing switch. 226 Added by DJM 1 2022 1/19/22, 12:00 AM
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TOY-1 Advancements in medical imaging technology enables a doctor/surgeon to obtain precise information about the location, position, orientation, and relation of internal structures of a patient before a surgical procedure. The medical images facilitate preoperative planning for surgical procedures. 2 Added by DJM 1 2022 1/19/22, 12:00 AM
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TOY-1 However, during a surgical procedure obtaining the same level of precision and information about internal structures of the patient is not readily available. Typically, if a surgeon wants to confirm the location and/or orientation of unexposed structures of the patient during a procedure the surgeon may rely on medical imaging technologies available in an operating room during the procedure. However, access to such medical imaging technologies in the operating room during the procedure may not be practical or feasible due to the high costs of such equipment. In addition, stopping a surgical procedure to take intraoperative images of the patient interrupts the surgical procedure, can require reconfiguration of the surgical field, and extends the duration of the procedure. Extended procedures can require a patient to remain sedated with can increase risks of complications with the success of the procedure. 3 Added by DJM 1 2022 1/19/22, 12:00 AM

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