Pedicle screw implantation sighting device

Abstract

The pedicle screw placement sighting device comprises a sighting device body, a disassembling mechanism, an inflation mechanism, a limiting mechanism and an adjusting mechanism, the disassembling mechanism is arranged on the outer side of the lower end of the sighting device body, the inflation mechanism is arranged at the upper end of the sighting device body, and the limiting mechanism is attached to the upper portion of the outer portion of the sighting device body. And an adjusting mechanism is arranged on the side of the limiting mechanism. According to the pedicle screw implantation sighting device, due to the fact that the limiting frame is fixedly connected with the extension rod, the extension rod is parallel to the spirit bubble assembly, and the movable rod is in threaded connection with the extension rod, medical staff manually adjust the positions of the movable rod and the supporting rod to erect the movable rod and the supporting rod on the two sides of the body of an operation staff; and whether the sighting device body is vertical or not is judged through the spirit bubble assembly, so that the sighting device body is vertically limited while the sighting device body is erected, the sighting device body is vertical to the vertebral plate of the isthmus of the section, vertical accurate operation of subsequent surgical instruments is facilitated, and the surgical efficiency is improved.

Description

technical field

[0001] The invention relates to the field of medical technology, in particular to a pedicle screw placement sight. Background technique

[0002] The pedicle screw rod system is a commonly used internal fixator for the treatment of spinal trauma and spinal correction. So far, orthopedic navigation equipment cannot be popularized due to its high price, and the implantation of pedicle screws in most hospital operations still depends on the operator. Experienced intraoperative visual inspection to determine the screw entry point and angle of the pedicle screw, and the key step of this internal fixation is the correct implantation of the pedicle screw, which is often affected by the loosening of the internal fixation or the loss of the correction angle due to the poor position of the screw. The effect of surgical treatment, or even the incorrect implantation of screws may cause nerve damage or medical disputes. For this reason, we propose a pedicle screw placement...

Examples

Embodiment Construction

[0023] In the description of the present invention, unless otherwise stated, "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer" The orientation or positional relationship indicated by , "front end", "rear end", "head", "tail", etc. are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, not An indication or implication that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, is not to be construed as a limitation of the invention. Furthermore, the terms "first," "second," "third," etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "...

technical field

[0001] The invention relates to the field of medical technology, in particular to a pedicle screw placement sight. Background technique

[0002] The pedicle screw rod system is a commonly used internal fixator for the treatment of spinal trauma and spinal correction. So far, orthopedic navigation equipment cannot be popularized due to its high price, and the implantation of pedicle screws in most hospital operations still depends on the operator. Experienced intraoperative visual inspection to determine the screw entry point and angle of the pedicle screw, and the key step of this internal fixation is the correct implantation of the pedicle screw, which is often affected by the loosening of the internal fixation or the loss of the correction angle due to the poor position of the screw. The effect of surgical treatment, or even the incorrect implantation of screws may cause nerve damage or medical disputes. For this reason, we propose a pedicle screw placement...

Examples

Embodiment Construction

[0023] In the description of the present invention, unless otherwise stated, "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer" The orientation or positional relationship indicated by , "front end", "rear end", "head", "tail", etc. are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, not An indication or implication that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, is not to be construed as a limitation of the invention. Furthermore, the terms "first," "second," "third," etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "...

Images