Vertebral pedicle aiming device and aiming machine thereof
The utility model discloses a vertebral pedicle aiming device and an aiming machine in the vertebral pedicle aiming device. The vertebral pedicle aiming device comprises a guide sleeve and the aiming machine which can be inserted in the guide sleeve in guiding and sliding modes. The aiming machine i...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a vertebral pedicle aiming device and an aiming machine in the vertebral pedicle aiming device. The vertebral pedicle aiming device comprises a guide sleeve and the aiming machine which can be inserted in the guide sleeve in guiding and sliding modes. The aiming machine is of a cylinder structure which is made of materials which can transmit the X-ray. One end of the aiming machine is of a cone structure, at least two positioning through holes which are used for kirschner needles to puncture are formed in the aiming machine along the axial direction of the aiming machine, the positioning through holes are distributed in an array mode on the end face of the aiming machine, and a metal structure which is used for displaying positions of the positioning through holes under irradiation of the X-ray is arranged on the aiming machine. When transmission on a spinal anteroposterior film of a patient is carried out on a C arm, the aiming machine can display the positions of the positioning |
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