CN215228321U - Vertebral pedicle punching angle-measuring guider - Google Patents
Vertebral pedicle punching angle-measuring guider Download PDFInfo
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- CN215228321U CN215228321U CN202121632280.XU CN202121632280U CN215228321U CN 215228321 U CN215228321 U CN 215228321U CN 202121632280 U CN202121632280 U CN 202121632280U CN 215228321 U CN215228321 U CN 215228321U
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Abstract
The utility model belongs to the technical field of guider technique and specifically relates to a pedicle of vertebral arch volume angle director that punches. This pedicle of vertebral arch volume angle director that punches, including the dead lever, the calibrated scale, the positioning disk, the slider, the locking bolt, sleeve and angle location needle, the lower extreme of dead lever is provided with the needle point, the interval is provided with calibrated scale and positioning disk on the lateral wall of dead lever, calibrated scale and positioning disk are the same arc dish of radian, be provided with on the positioning disk and follow the gliding slider of positioning disk, threaded connection has the locking bolt that can live with the position fixing of slider on the slider, be fixed with the sleeve on the slider, the needle point of the directional dead lever of telescopic terminal, the external diameter and the telescopic internal diameter of angle location needle cooperate. The utility model discloses play good guide effect advancing in the nail angle measurement process for angular surveying is accurate, and convenient operation is convenient for squeeze into the pilot pin, improves follow-up efficiency and the accurate degree of squeezing into pedicle of vertebral arch screw, low in cost, and use cost is low.
Description
Technical Field
The utility model belongs to the technical field of guider technique and specifically relates to a pedicle of vertebral arch volume angle director that punches.
Background
When the pedicle of vertebral arch of the vertebral body needs to be nailed, the nail feeding angle needs to be measured in advance, and the positioning needle needs to be driven in first after the nail feeding angle is determined. The traditional nail feeding guide device is large in size, heavy in weight and narrow in application range; the novel pedicle screw feeding guider adopts a computer navigation technology to place the pedicle screws, and has high manufacturing cost and expensive use cost. How to provide a measurement preparation, convenient operation, the low pedicle of vertebral arch volume angle director that punches of cost, the technical problem who awaits a urgent need to solve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pedicle of vertebral arch volume angle director that punches overcomes the not enough of aforementioned prior art, plays good guide effect advancing in the nail angle measurement process for angular surveying is accurate, and convenient operation is convenient for squeeze into the pilot pin, improves follow-up efficiency and the accurate degree of squeezing into the pedicle of vertebral arch screw, low in cost, and use cost is low.
The utility model provides a technical scheme that its technical problem adopted is:
a vertebral pedicle punching angle measuring guider comprises a fixed rod, a dial, a guide disc, a sliding block, a locking bolt, a sleeve and an angle positioning needle, wherein a needle point is arranged at the lower end of the fixed rod, the dial and the guide disc are arranged on the side wall of the fixed rod at intervals, the dial and the guide disc are arc-shaped discs with the same radian, the guide disc is provided with a sliding block capable of sliding along the guide disc, the sliding block is in threaded connection with the locking bolt capable of fixing the position of the sliding block on the guide disc, the sleeve is fixed on the sliding block, the tail end of the sleeve points to the needle point of the fixed rod along the axial direction, and the outer diameter of the angle positioning needle is matched with the inner diameter of the sleeve; during the use, in perspective in-process, metal and skeleton are all developed, prick the cortex bone of pedicle of vertebral arch with the needle point of dead lever, the locking bolt is loosened to the spiral shell, the position of adjustment slider, make the contained angle between the angle location needle in the sleeve and the dead lever change, look for the suitable angle of punching, after the angle of punching confirms, screw up the locking bolt, the position of slider in the positioning disk is fixed, prick the cortex bone with the angle location needle along the sleeve direction, beat the centrum inside with the help of the electric drill with the location needle, play interim fixed action, can accurately put into in with the follow-up pedicle of vertebral arch screw.
Furthermore, the one end of angle location needle sets up to the toper structure of convergent, is convenient for prick into the cortex bone, and the other end of angle location needle is provided with the connecting block that is used for being connected with the electric drill, is convenient for squeeze into in the pedicle of vertebral arch rapidly through the electric drill.
Furthermore, the fixed rod and the angle positioning needle are positioned on the same horizontal plane, and the tip of the angle positioning needle always points to the needle point of the fixed rod in the rotating process of the angle positioning needle along the guide disc.
Furthermore, scales are also arranged on the guide disc, and the overcoming on the guide disc corresponds to the scales on the dial.
Furthermore, the sleeve and the dial are crossed in space, so that the dial is ensured to play a role in indicating and the accuracy of dial indication is improved.
Furthermore, a handle is arranged at the upper end of the fixing rod.
The utility model has the advantages that: compared with the prior art, the utility model discloses a pedicle of vertebral arch volume angle director that punches has following advantage: play good guide effect in advancing nail angle measurement process for the angular surveying is accurate, and convenient operation is convenient for squeeze into the pilot pin, improves follow-up efficiency and the accurate degree of squeezing into pedicle of vertebral arch screw, low in cost, and use cost is low.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of another angle overall structure of the present invention;
FIG. 3 is a schematic side view of the present invention;
wherein, 1 dead lever, 2 calibrated scales, 3 direction dishes, 4 sliders, 5 locking bolts, 6 sleeves, 7 angle positioning needles, 8 handles.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.
In the embodiment shown in fig. 1-3, the pedicle punching angulation guide comprises a fixed rod 1, a dial 2, a guide disc 3, a sliding block 4, a locking bolt 5, a sleeve 6 and an angle positioning needle 7, wherein a needle point is arranged at the lower end of the fixed rod 1, the dial 2 and the guide disc 3 are arranged on the side wall of the fixed rod 1 at intervals, the dial 2 and the guide disc 3 are arc-shaped discs with the same radian, the sliding block 4 capable of sliding along the guide disc 3 is arranged on the guide disc 3, the locking bolt 5 capable of fixing the position of the sliding block 4 on the guide disc 3 is in threaded connection with the sliding block 4, the sleeve 6 is fixed on the sliding block 4, the tail end of the sleeve 6 points to the needle point of the fixed rod 1 along the axial direction, and the outer diameter of the angle positioning needle 7 is matched with the inner diameter of the sleeve 6; during the use, in perspective in-process, metal and skeleton are all developed, prick the cortex bone of pedicle of vertebral arch with the needle point of dead lever 1, the locking bolt 5 of unscrewing, the position of adjustment slider 4, make the contained angle between angle location needle 7 in the sleeve 6 and the dead lever 1 change, look for the suitable angle of punching, after the angle of punching is confirmed, screw up locking bolt 5, the position of slider 4 in positioning disk 3 is fixed, prick the cortex bone with angle location needle 7 along the 6 directions of sleeve, beat the location needle inside the centrum with the help of the electric drill, play interim fixed action, can accurately put into in with the follow-up pedicle of vertebral arch screw.
In this embodiment, the one end of angle location needle 7 sets up to the toper structure of convergent, is convenient for prick into the cortex bone, and the other end of angle location needle 7 is provided with the connecting block that is used for being connected with the electric drill, is convenient for squeeze into in the pedicle of vertebral arch rapidly through the electric drill.
In this embodiment, the fixing rod 1 and the angle positioning needle 7 are located on the same horizontal plane, and the tip of the angle positioning needle 7 always points to the needle tip of the fixing rod 1 in the process of rotating along the guide disc 3.
In this embodiment, the guiding disc 3 is also provided with scales, and the overcoming on the guiding disc 3 corresponds to the scales on the dial 2.
In the embodiment, the sleeve 6 and the dial 2 are crossed in space, so that the dial 2 is ensured to play a role in indicating, and the indicating accuracy of the dial 2 is improved.
In this embodiment, a handle 8 is disposed at the upper end of the fixing rod 1.
The working principle is as follows: the utility model discloses a pedicle of vertebral arch volume angle director that punches, during the use, at the perspective in-process, metal and skeleton are all developed, prick the cortex bone of pedicle of vertebral arch with the needle point of dead lever 1, the locking bolt 5 of pine soon, the position of adjustment slider 4, make the contained angle between angle location needle 7 in the sleeve 6 and the dead lever 1 change, look for the suitable angle of punching, after the angle of punching is confirmed, screw up locking bolt 5, the position of slider 4 in positioning disk 3 is fixed, prick the cortex bone with angle location needle 7 along the sleeve 6 direction, beat the location needle inside the centrum with the help of the electric drill, play interim fixed action, can accurately put into in order to do benefit to follow-up pedicle of vertebral arch screw.
The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a pedicle of vertebral arch volume angle director that punches which characterized in that: including dead lever, calibrated scale, positioning disk, slider, locking bolt, sleeve and angle location needle, the lower extreme of dead lever is provided with the needle point, and the interval is provided with calibrated scale and positioning disk on the lateral wall of dead lever, and calibrated scale and positioning disk are the same arc dish of radian, are provided with on the positioning disk and can follow the gliding slider of positioning disk, and threaded connection has the locking bolt that can live the position fixing of slider on the slider, is fixed with the sleeve on the slider, the needle point of the directional dead lever of telescopic end, and the external diameter of angle location needle cooperatees with telescopic internal diameter.
2. A pedicle hole angulation guide as claimed in claim 1, wherein: one end of the angle positioning needle is set to be a tapered conical structure, and the other end of the angle positioning needle is provided with a connecting block used for being connected with an electric drill.
3. A pedicle hole angulation guide as claimed in claim 1, wherein: the fixed rod and the angle positioning needle are positioned on the same horizontal plane.
4. A pedicle hole angulation guide as claimed in claim 1, wherein: scales are also arranged on the guide disc, and the overcoming on the guide disc corresponds to the scales on the dial.
5. A pedicle hole angulation guide as claimed in claim 1, wherein: the sleeve and the dial are spatially crossed.
6. A pedicle hole angulation guide as claimed in claim 1, wherein: the upper end of the fixed rod is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121632280.XU CN215228321U (en) | 2021-07-19 | 2021-07-19 | Vertebral pedicle punching angle-measuring guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121632280.XU CN215228321U (en) | 2021-07-19 | 2021-07-19 | Vertebral pedicle punching angle-measuring guider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215228321U true CN215228321U (en) | 2021-12-21 |
Family
ID=79492611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121632280.XU Active CN215228321U (en) | 2021-07-19 | 2021-07-19 | Vertebral pedicle punching angle-measuring guider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215228321U (en) |
-
2021
- 2021-07-19 CN CN202121632280.XU patent/CN215228321U/en active Active
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