CN213098258U - Three-dimensional positioning guider for vertebral pedicle of vertebral column - Google Patents
Three-dimensional positioning guider for vertebral pedicle of vertebral column Download PDFInfo
- Publication number
- CN213098258U CN213098258U CN202021174867.6U CN202021174867U CN213098258U CN 213098258 U CN213098258 U CN 213098258U CN 202021174867 U CN202021174867 U CN 202021174867U CN 213098258 U CN213098258 U CN 213098258U
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- ring plate
- guide
- sliding block
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- 239000004065 semiconductor Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000005855 radiation Effects 0.000 abstract description 5
- 238000002513 implantation Methods 0.000 description 4
- 238000002324 minimally invasive surgery Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 1
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Abstract
The utility model discloses a three-dimensional location director of backbone pedicle of vertebral arch, including the fixed ring seat, install first half direction crown plate and second semiconductor on the fixed ring seat and to the crown plate, it is articulated through fixing bolt between the bottom both ends of first half direction crown plate and the left and right sides inner wall of fixed ring seat, the bottom both ends of second semiconductor to the crown plate are articulated through adjusting bolt with the front and back both sides outside of fixed ring seat, the second semiconductor is provided with the slider to the crown plate, first through-hole has been seted up in the left side of slider, first half direction crown plate nestification is in first through-hole, the front side of slider is seted up the second through-hole, the second semiconductor is to the crown plate nestification in the second through-hole. The utility model discloses can accurately adjust three-dimensional space's angle, provide accurate guiding orientation, effectively reduce the operation location degree of difficulty, effectively reduce the X-ray radiation damage chance of pedicle of vertebral arch nail putting into the in-process, it is easy and simple to handle, low cost.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to three-dimensional location director of backbone pedicle of vertebral arch.
Background
With the development of minimally invasive spinal techniques, percutaneous pedicle screw implantation is the basic technique of minimally invasive spinal surgery, but minimally invasive surgery cannot be performed with precise puncture positioning, and people hope to improve the accuracy of minimally invasive surgery puncture and reduce X-ray radiation damage by using various tools.
At present, related pedicle screw implantation guiding devices only consider the included angle between the central axis of the pedicle of vertebral arch and the sagittal plane of a vertebral body, namely only positioning in the direction of a single plane, and can not accurately position the three-dimensional direction of screw implantation.
Therefore, it is necessary to invent a three-dimensional positioning guide for spinal pedicle to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a backbone pedicle of vertebral arch three-dimensional positioning director, through be equipped with first half direction crown plate and second semiconductor on the fixed ring seat to the crown plate, first half direction crown plate and second semiconductor are all articulated with the fixed ring seat to the crown plate, and first half direction crown plate and second semiconductor all are equipped with the scale mark on the both sides face to the crown plate, slider and first half direction crown plate and second semiconductor are to sliding connection between the crown plate, can accurately adjust three-dimensional space's angle, accurate guiding orientation is provided, effectively reduce the operation location degree of difficulty, effectively reduce the X line radiation damage chance of pedicle screw in-process of putting into, shorten operation time, and is easy and simple to handle, low cost, with the above-mentioned weak point in the solution technique.
In order to achieve the above object, the present invention provides the following technical solutions: the spine vertebral pedicle three-dimensional positioning guider comprises a fixed ring seat, wherein a first semi-guide ring plate and a second semi-guide ring plate are installed on the fixed ring seat, the second semi-guide ring plate is positioned on the outer side of the first semi-guide ring plate, the centers of the second semi-guide ring plate, the first semi-guide ring plate and the fixed ring seat are positioned at the same point, two ends of the bottom of the first semi-guide ring plate are hinged with the inner walls of the left side and the right side of the fixed ring seat through fixing bolts, two ends of the bottom of the second semi-guide ring plate are hinged with the outer sides of the front side and the rear side of the fixed ring seat through adjusting bolts, a first sliding groove is formed in the upper side of the first semi-guide ring plate, a second sliding groove is formed in the upper side of the second semi-guide ring plate, a sliding block is arranged on the second semi-guide ring plate, a first through hole is formed in the left side, the semi-guiding ring plate is nested in the first through hole, a second through hole is formed in the front side of the sliding block and penetrates through the front side and the rear side of the sliding block, the semi-guiding ring plate is nested in the second through hole, the second through hole is located above the first through hole and is communicated with the first through hole, a guide hole is formed in the top of the sliding block and penetrates through the upper side and the lower side of the sliding block and is communicated with the second through hole, a guiding positioning needle is nested in the guide hole, and a second sliding groove and a first sliding groove are sequentially penetrated through the lower end of the guiding positioning needle.
Preferably, the first half guide ring plate is connected with the first through hole in a sliding mode.
Preferably, the second semi-conductive ring plate and the second through hole are arranged in sliding connection.
Preferably, the guide positioning needle is respectively connected with the second sliding chute and the first sliding chute in a sliding manner.
Preferably, a locking bolt is arranged on the left side of the sliding block, the locking bolt is in threaded connection with the sliding block, and the tail end of the locking bolt extends into the second through hole to be in contact with the side face of the second semi-conducting annular plate.
Preferably, the front side surface and the rear side surface of the first half guide ring plate are provided with scale marks.
Preferably, the left and right side surfaces of the second semi-conducting ring plate are provided with scale marks.
In the technical scheme, the utility model provides a technological effect and advantage:
through be equipped with half first direction crown plate and the semi-conductive crown plate of second on the fixed ring seat, half first direction crown plate and the semi-conductive crown plate of second are all articulated with the fixed ring seat, and all be equipped with the scale mark on the both sides face of half first direction crown plate and semi-conductive crown plate of second, sliding connection between slider and half first direction crown plate and the semi-conductive crown plate of second, can accurately adjust three-dimensional space's angle, provide accurate guiding orientation, effectively reduce the operation location degree of difficulty, effectively reduce the X line radiation damage chance that the pedicle screw put into the in-process, shorten operation time, and is easy and simple to handle and low in cost.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a side view of the present invention;
fig. 4 is a top view of the present invention;
fig. 5 is a schematic view of the slider structure of the present invention.
Description of reference numerals:
the device comprises a fixed ring seat 1, a first semi-guide ring plate 2, a second semi-guide ring plate 3, a fixing bolt 4, an adjusting bolt 5, a first sliding groove 6, a second sliding groove 7, a sliding block 8, a first through hole 9, a second through hole 10, a guide hole 11, a guide positioning pin 12 and a locking bolt 13.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The utility model provides a spinal pedicle three-dimensional positioning guider as shown in figures 1-5, which comprises a fixed ring seat 1, wherein a first semi-guiding ring plate 2 and a second semi-guiding ring plate 3 are arranged on the fixed ring seat 1, the second semi-guiding ring plate 3 is positioned at the outer side of the first semi-guiding ring plate 2, the centers of the second semi-guiding ring plate 3, the first semi-guiding ring plate 2 and the fixed ring seat 1 are positioned at the same point, the two ends of the bottom of the first semi-guiding ring plate 2 are hinged with the inner walls at the left and right sides of the fixed ring seat 1 through fixing bolts 4, the two ends of the bottom of the second semi-guiding ring plate 3 are hinged with the outer sides at the front and the back sides of the fixed ring seat 1 through adjusting bolts 5, a first chute 6 is arranged at the upper side of the first semi-guiding ring plate 2, a second chute 7 is arranged at the upper side of the second semi-guiding ring plate 3, a slide block 8 is arranged on the second semi-, first through-hole 9 has been seted up in slider 8's left side, first through-hole 9 runs through the left and right sides of slider 8, first half guide ring plate 2 nestification is in first through-hole 9, second through-hole 10 has been seted up to slider 8's front side, second through-hole 10 runs through the front and back both sides of slider 8, second semi-conductive ring plate 3 nestification is in second through-hole 10, second through-hole 10 is located the top of first through-hole 9, and second through-hole 10 link up with first through-hole 9 mutually, guiding hole 11 has been seted up at slider 8's top, guiding hole 11 runs through the upper and lower both sides of slider 8, guiding hole 11 link up with second through-hole 10 mutually, nested guide positioning needle 12 has been nested in the guiding hole 11, the lower extreme of guide positioning needle 12 runs through second spout 7 and first spout 6 in proper order.
Further, in the above technical solution, the first half guide ring plate 2 is slidably connected to the first through hole 9, so that the sliding block 8 can slide on the first half guide ring plate 2 when the second half guide ring plate 3 rotates.
Further, in the above technical solution, the second semi-guiding ring plate 3 and the second through hole 10 are configured to be in sliding connection, so that the sliding block 8 can slide on the second semi-guiding ring plate 3 when the first semi-guiding ring plate 2 rotates.
Further, in the above technical solution, the guiding and positioning pin 12 is respectively connected with the second sliding chute 7 and the first sliding chute 6 in a sliding manner, so that the sliding block 8 can drive the guiding and positioning pin 12 to slide in the first sliding chute 6 and the second sliding chute 7 when moving.
Further, in the above technical solution, a locking bolt 13 is arranged on the left side of the slider 8, the locking bolt 13 is in threaded connection with the slider 8, the tail end of the locking bolt 13 extends into the second through hole 10 and contacts with the side surface of the second semi-conductive ring plate 3, the slider 8 can slide on the second semi-conductive ring plate 3 by rotating and loosening the locking bolt 13, and the slider 8 can be fixed on the second semi-conductive ring plate 3 by rotating and tightening the locking bolt 13, so that the slider 8 is prevented from sliding on the second semi-conductive ring plate 3.
Furthermore, in the above technical solution, the front and rear side surfaces of the first half guide ring plate 2 are provided with scale marks, so that the position of the slider 8 on the first half guide ring plate 2 and the inclination angle of the guide positioning pin 12 on the slider 8 can be known conveniently.
Furthermore, in the above technical solution, the left and right side surfaces of the second semi-conducting ring plate 3 are provided with scale marks, so that the position of the slider 8 on the second semi-conducting ring plate 3 and the inclination angle of the guiding and positioning pin 12 on the slider 8 can be known conveniently.
The implementation mode is specifically as follows: the first semi-guide ring plate 2 is hinged with the fixed ring seat 1, so that the first semi-guide ring plate 2 can be conveniently rotated, the inclination angle of the first semi-guide ring plate 2 is adjusted, the second semi-guide ring plate 3 is hinged with the fixed ring seat 1, the inclination angle of the second semi-guide ring plate 3 is conveniently rotated, the slide block 8 can slide on the second semi-guide ring plate 3 by loosening the locking bolt 13, the slide block 8 can slide on the second semi-guide ring plate 3 when the first semi-guide ring plate 2 rotates, the slide block 8 can slide on the first semi-guide ring plate 2 when the second semi-guide ring plate 3 rotates, the locking bolt 13 is tightened, the slide block 8 can be fixed on the second semi-guide ring plate 3, the slide block 8 is prevented from sliding on the second semi-guide ring plate 3, the front side surface and the rear side surface of the first semi-guide ring plate 2 are both provided with scale marks, the left side surface and the right side surface of the second semi-guide ring plate 3 are both provided with scale marks, be convenient for know the slider 8 and be in the position on first half direction ring board 2 and the second semiconductor is to ring board 3, be convenient for know the angle of 12 slopes of direction locating pin on the slider 8 simultaneously, can accurately adjust three-dimensional space's angle, provide accurate direction location, effectively reduce the operation location degree of difficulty, effectively reduce the X line radiation damage chance that pedicle screw put into the in-process, shorten operation time, and is easy and simple to handle, and the cost is low, this embodiment has specifically solved the pedicle screw of vertebral arch implantation guider who exists among the prior art, only considered the contained angle of pedicle screw axis and centrum sagittal plane, also only the location of single plane direction, can't carry out the problem of accurate positioning to the three-dimensional direction that the screw was implanted.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (7)
1. Three-dimensional location director of backbone pedicle of vertebral arch including stationary ring seat (1), its characterized in that: a first semi-guiding ring plate (2) and a second semi-guiding ring plate (3) are mounted on the fixed ring seat (1), the second semi-guiding ring plate (3) is located on the outer side of the first semi-guiding ring plate (2), the centers of the second semi-guiding ring plate (3), the first semi-guiding ring plate (2) and the fixed ring seat (1) are located at the same point, two ends of the bottom of the first semi-guiding ring plate (2) are hinged with the inner walls of the left side and the right side of the fixed ring seat (1) through fixing bolts (4), two ends of the bottom of the second semi-guiding ring plate (3) are hinged with the outer sides of the front side and the rear side of the fixed ring seat (1) through adjusting bolts (5), a first sliding chute (6) is formed in the upper side of the first semi-guiding ring plate (2), a second sliding chute (7) is formed in the upper side of the second semi-guiding ring plate (3), and a sliding block (8) is arranged on the second semi-guiding ring plate (3, the left side of the sliding block (8) is provided with a first through hole (9), the first through hole (9) penetrates through the left side and the right side of the sliding block (8), the first half guide ring plate (2) is nested in the first through hole (9), the front side of the sliding block (8) is provided with a second through hole (10), the second through hole (10) penetrates through the front side and the rear side of the sliding block (8), the second semi-guide ring plate (3) is nested in the second through hole (10), the second through hole (10) is located above the first through hole (9), the second through hole (10) is communicated with the first through hole (9), the top of the sliding block (8) is provided with a guide hole (11), the guide hole (11) penetrates through the upper side and the lower side of the sliding block (8), the guide hole (11) is communicated with the second through hole (10), a guide positioning needle (12) is nested in the guide hole (11), the lower end of the guide positioning needle (12) penetrates through the second sliding chute (7) and the first sliding chute (6) in sequence.
2. The spinal pedicle three-dimensional positioning guide as claimed in claim 1, wherein: the first half guide ring plate (2) is connected with the first through hole (9) in a sliding mode.
3. The spinal pedicle three-dimensional positioning guide as claimed in claim 1, wherein: the second semi-conducting ring plate (3) is connected with the second through hole (10) in a sliding mode.
4. The spinal pedicle three-dimensional positioning guide as claimed in claim 1, wherein: the guide positioning needle (12) is respectively connected with the second sliding chute (7) and the first sliding chute (6) in a sliding manner.
5. The spinal pedicle three-dimensional positioning guide as claimed in claim 1, wherein: the left side of the sliding block (8) is provided with a locking bolt (13), the locking bolt (13) is in threaded connection with the sliding block (8), and the tail end of the locking bolt (13) extends into the second through hole (10) to be in contact with the side face of the second semi-conducting annular plate (3).
6. The spinal pedicle three-dimensional positioning guide as claimed in claim 1, wherein: the front side surface and the rear side surface of the first half guide ring plate (2) are provided with scale marks.
7. The spinal pedicle three-dimensional positioning guide as claimed in claim 1, wherein: the left side surface and the right side surface of the second semi-conducting annular plate (3) are provided with scale marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021174867.6U CN213098258U (en) | 2020-06-23 | 2020-06-23 | Three-dimensional positioning guider for vertebral pedicle of vertebral column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021174867.6U CN213098258U (en) | 2020-06-23 | 2020-06-23 | Three-dimensional positioning guider for vertebral pedicle of vertebral column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213098258U true CN213098258U (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021174867.6U Expired - Fee Related CN213098258U (en) | 2020-06-23 | 2020-06-23 | Three-dimensional positioning guider for vertebral pedicle of vertebral column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213098258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113876435A (en) * | 2021-06-18 | 2022-01-04 | 上海极睿医疗科技有限公司 | Adjustable fixed-point pointing operation mechanism for orthopedic surgery |
-
2020
- 2020-06-23 CN CN202021174867.6U patent/CN213098258U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113876435A (en) * | 2021-06-18 | 2022-01-04 | 上海极睿医疗科技有限公司 | Adjustable fixed-point pointing operation mechanism for orthopedic surgery |
| CN113876435B (en) * | 2021-06-18 | 2023-06-27 | 上海极睿医疗科技有限公司 | Adjustable fixed point pointing operation mechanism for orthopedic operation |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210504 |