Nail placement device capable of monitoring angle in real time

Abstract

A screw placement device capable of monitoring the angle in real time comprises a body, the body is provided with a connecting device, the connecting device comprises a fixed rod and a rotating rod, one end of the fixed rod is fixed to the body, the other end of the fixed rod is connected with the rotating rod in a pivoted mode, and an angle measuring device is arranged at the end, away from the fixed rod, of the rotating rod. The rotating rod can rotate to the position parallel to or perpendicular to the body. When the pedicle screw positioning device is applied, the screw feeding angle of a pedicle screw can be accurately mastered in an operation, so that the misplacement rate of the pedicle screw is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially relates to a kind of nailers of real-time monitoring angle. BACKGROUND

[0002] At present, although pedicle screw placement technology is mature, even navigation robot etc. appear, in order to reduce radiation, save operation time, for routine surgery, it is still hand placement, and hand placement needs to predict the inner and outer inclination angle and the angle of head inclination and tail inclination, for the concept difference of angle of beginner, can only rely on feeling, there is no objective intuitive index for doctor to know the angle of nailer in real time in operation, which can lead to angle deviation in actual operation. UTILIT Y MODEL CONTENT

[0003] In view of the deficiencies in the background art, the utility model aims at providing a kind of nailer of real-time monitoring angle.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A kind of nailer of real-time monitoring angle, including body, the body is equipped with connecting device, the connecting device includes fixed rod and rotating rod, the fixed rod one end is fixed to the body, the other end is pivoted with the rotating rod, the rotating rod is equipped with angle measuring device at the end away from fixed rod, the rotating rod can be rotated to the position parallel or perpendicular to the fixed rod, and the angle measuring device is used to measure the inclination angle of the body.

[0006] Further, the fixed rod one end is equipped with fixed ring, the outer surface of the body is equipped with clamping block around its axis, and the fixed ring is abutted in the clamping block.

[0007] Further, the fixed rod is equipped with connecting portion at the end away from the fixed ring, one end of the rotating rod is equipped with pivot portion, and the connecting portion is rotationally matched with the pivot portion.

[0008] Further, the pivot portion is rotating block, the connecting portion is insertion slot, and the rotating block is pivoted in the insertion slot.

[0009] Further, the insertion slot is equipped with first fixed hole, and the rotating block is equipped with second fixed hole coaxial with the first fixed hole;Fastener is arranged in the first fixed hole and the second fixed hole.

[0010] Further, the rotating rod is equipped with clamping jaw at the end away from rotating block, and the clamping jaw is equipped with the angle measuring device.

[0011] Further, the angle measuring device comprises a scale disc and a indicating needle pivoted to the scale disc, the scale disc is equidistantly provided with a plurality of scale lines around the axis thereof, the indicating needle comprises a rotating end and an indicating end, the rotating end is pivoted to the center of the scale disc, and the indicating end points to the scale lines.

[0012] Further, the indicating needle vertically points to the ground with the indicating end under the action of gravity.

[0013] Further, the end of the body is connected with a nail rod, the nail rod is provided with a nail head at the end thereof, and the rotating rod can be rotated to a position parallel or perpendicular to the nail rod.

[0014] The utility model discloses the beneficial effect is:

[0015] 1, the utility model provides a kind of angle real-time monitoring's nail placer, by the setting of angle measuring device, the inlaying angle of pedicle screw can be accurately grasped in operation, to effectively reduce the misplacement rate of pedicle screw.

[0016] 2, the utility model provides a kind of angle real-time monitoring's nail placer, by the setting of rotating rod, connecting device can be flexibly rotated, adjust to and the position parallel or perpendicular to patient's torso, to adapt to different surgical needs. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in embodiment or prior art description, obviously, the drawings in the following description only some embodiments of the utility model, for ordinary skilled person in the art, without creative labor, other drawings can also be obtained according to these drawings.

[0018] Figure 1 It is one of the schematic diagram of the utility model's angle real-time monitoring's nail placer;

[0019] Figure 2 It is the second schematic diagram of the utility model's angle real-time monitoring's nail placer;

[0020] Figure 3 It is the exploded view of the utility model's angle real-time monitoring's nail placer;

[0021] Figure 4 It is the enlarged view of A of Figure 3

[0022] Figure 5 It is the schematic diagram of the rotating rod and angle measuring device of the utility model's angle real-time monitoring's nail placer. ​

[0023] In the figure, 10, the body; 101, the clamping block; 102, the nail rod; 201, the fixed rod; 202, the rotating rod; 2011, the fixed ring; 2012, the insertion slot; 2013, the first fixed hole; 2021, the rotating block; 2022, the clamping jaw; 2023, the second fixed hole; 30, the angle measuring device; 301, the dial; 302, the scale line; 303, the indicating needle; 40, the fastener. DETAILED DESCRIPTION

[0024] The following will be described in detail Figures 1-5 The utility model is described in detail.

[0025] A nailer capable of monitoring angle in real time, comprising a body 10, the body 10 is equipped with connecting device, connecting device includes fixed rod 201 and rotating rod 202, and one end of fixed rod 201 is fixed to body 10, and the other end is pivotally connected with rotating rod 202, and one end, away from fixed rod 201, of rotating rod 202 is equipped with angle measuring device 30, and rotating rod 202 can be rotated to the position parallel or perpendicular to fixed rod 201, and the angle measuring device 30 is used for measuring the inclination angle of the body 10.

[0026] In the embodiment, one end of fixed rod 201 is equipped with fixed ring 2011, and the outer surface of body 10 is equipped with clamping block 101 around the axis, and fixed ring 2011 is sleeved on clamping block 101.

[0027] In the embodiment, one end of fixed rod 201 is equipped with fixed ring 2011, and the outer surface of body 10 is equipped with clamping block 101 around the axis, and fixed ring 2011 is sleeved on clamping block 101.

[0028] In the embodiment, the insertion slot 2012 is equipped with the first fixed hole 2013, and the rotating block 2021 is equipped with the second fixed hole 2023 coaxial with the first fixed hole 2013; the first fixed hole 2013 and the second fixed hole 2023 are equipped with fastener 40.

[0029] Further, the rotating rod 202 is provided with a claw 2022 at the end away from the rotating block 2021, and the claw 2022 is provided with an angle measuring device 30. The claw 2022 is provided with at least two supporting units supporting the angle measuring device 30, and the scale member is provided with a scale for identifying the angle of the screw penetrating into the pedicle. In some embodiments, the angle measuring device 30 can be a fan-like structure, the central axis of which can be set to 0°, and the scale is set at intervals of a certain degree (for example, 10°, 20°, 30°, 40°, etc.) to both sides, and the total range is 60°, which can also be, for example, 70°, 85°, 90°, etc. The interval degree and the total range can be set according to different needs. In some embodiments, the angle measuring device 30 has a telescopic function, which can adjust the expansion angle of the scale according to the size of the positioning area.

[0030] In the present embodiment, the claw 2022 has only two supporting units, and the angle measuring device 30 is provided with one at each end; in another embodiment, the claw 2022 has three supporting units, which are located at the center and both ends of the scale member, and the supporting units at the center and both ends are used to identify 0°; in another embodiment, each scale (for example, 5°, 10°, 15°, 20°, etc.) corresponds to a supporting unit, and when the measuring assembly is located in the pedicle, the supporting units of the claw 2022 can be used as the alignment line, and the screw is inserted in the direction parallel to the specific supporting unit, so that the more accurate screw insertion angle can be determined.

[0031] In the present embodiment, the angle measuring device 30 includes a scale disc 301 and an indicating needle 303 pivoted to the scale disc 301, the scale disc 301 is equidistantly provided with a plurality of scale lines 302 around the central axis, and the indicating needle 303 includes a rotating end and an indicating end, the rotating end is pivoted to the center of the scale disc 301, and the indicating end points to the scale line 302.

[0032] Specifically, the included angle between two adjacent scale lines 302 can be 10°, 15°, 20°, 25°, 30°, 35°, 40°, etc. In some embodiments, the included angle between two adjacent scale lines 302 is related to the number of scale lines 302. The more the number of scale lines 302, the smaller the included angle between the adjacent supporting units.

[0033] Further, the indicating needle 303 is vertically directed to the ground under the action of gravity. Specifically, a metal part can be installed at the indicating end to increase the gravity of the indicating needle 303, so as to ensure the stability of the indicating end. The scale line 302 pointed to by the indicating needle 303 when the nail rod 102 is perpendicular to the ground is taken as the reference scale line 302. The screw is inserted in parallel or perpendicular to the direction of the rotating rod 202, and the process is more accurate in positioning. In the surgical process, the offset angle of the screw can be adjusted according to the scale line 302, so as to realize the measurement of the screw insertion pedicle angle, improve the accuracy of screw installation, and avoid serious medical consequences caused by the misjudgment of doctors.

[0034] In the embodiment, the end position of the body 10 is connected with the nail rod 102, the end of the nail rod 102 is provided with a nail head, and the rotating rod 202 can be rotated to a position parallel or perpendicular to the nail rod 102.

[0035] The use method of the nail inserter capable of monitoring the angle in real time is as follows:

[0036] When used in the operation, accurate data is obtained according to the imaging examination before the operation, the needle insertion position, angle and depth are calculated, the multi-angle device is adjusted according to the measurement result before the operation, the position and angle of the nail insertion channel are determined, and the pedicle screw is inserted into the nail insertion channel until the nail insertion is completed.

[0037] The above-mentioned embodiments are only for illustrating the technical concept and characteristics of the utility model, the purpose is to enable the person skilled in the art to understand the content of the utility model and implement it, and it cannot limit the protection scope of the utility model. Any equivalent change or modification according to the spirit and essence of the utility model should be covered in the protection scope of the utility model.

Claims

1. A nail inserter capable of real-time angle monitoring, characterized in that: The utility model provides a connecting device of angle measuring device, including the body, the body is equipped with connecting device, connecting device includes fixed link and rotary link, one end of fixed link is fixed to the body, the other end is pivoted with rotary link, the rotary link is equipped with angle measuring device away from the end of fixed link, rotary link can rotate to the position parallel or perpendicular to fixed link, and angle measuring device is used for measuring the inclination angle of the body.

2. The real-time angle monitoring spike driver of claim 1, wherein, One end of the fixed link is provided with a fixed ring, and the outer surface of the body is provided with a clamping block around the axis thereof.

3. The real-time angle monitoring spike driver of claim 2, wherein, The end of the fixed link away from the fixed ring is provided with a connecting portion, and one end of the rotary link is provided with a pivoting portion.

4. The real-time angle monitoring spike driver of claim 3, wherein, The pivoting portion is a rotating block, and the connecting portion is an insertion slot.

5. The real-time angle monitoring spike driver of claim 4, wherein, The insertion slot is provided with a first fixing hole, and the rotating block is provided with a second fixing hole coaxial with the first fixing hole.

6. The real-time angle monitoring spike driver of claim 5, wherein, A fastener is arranged in the first fixing hole and the second fixing hole.

7. The real-time angle monitoring spike driver of claim 1, wherein, The end of the rotary link away from the rotating block is provided with a clamping jaw, and the clamping jaw is provided with the angle measuring device.

8. The real-time angle monitoring spike driver of claim 7, wherein, The angle measuring device comprises a scale disc and an indicating needle pivoted to the scale disc, a plurality of scale lines are equidistantly distributed around the axis of the scale disc, the indicating needle comprises a rotating end and an indicating end, the rotating end is pivoted to the center position of the scale disc, and the indicating end points to the scale line.

9. The real-time angle monitoring spike driver of claim 1, wherein, Under the action of gravity, the indicating end of the indicating needle is vertically pointed to the ground. The end of the body is connected with a nail rod, the end of the nail rod is provided with a nail head, and the rotary link can be rotated to a position parallel or perpendicular to the nail rod.

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