CN211633545U - Percutaneous minimally invasive pedicle of vertebral arch puncture guiding system - Google Patents
Percutaneous minimally invasive pedicle of vertebral arch puncture guiding system Download PDFInfo
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- CN211633545U CN211633545U CN201922195791.9U CN201922195791U CN211633545U CN 211633545 U CN211633545 U CN 211633545U CN 201922195791 U CN201922195791 U CN 201922195791U CN 211633545 U CN211633545 U CN 211633545U
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Abstract
The utility model relates to a percutaneous minimally invasive pedicle of vertebral arch puncture guiding system, which comprises a pedicle of vertebral arch puncture auxiliary positioning guide template, a guide tube, a puncture needle expansion sleeve, a puncture needle and a fixed handle, wherein the auxiliary positioning guide template is provided with a metal grid and a plurality of guide holes for marking positions, the guide holes are used for inserting the guide tube, the puncture needle expansion sleeve is inserted in the guide tube, and the puncture needle is fixed by the fixed handle and extends into the expansion sleeve; the metal grid assists the guide tube to position under the irradiation of X-ray, the central axis angle of the guide hole is consistent with the internal inclination angle and the tail inclination angle of the screw feeding direction of the vertebral body; the central axes of the plurality of guide holes of the positioning guide template have different angles so as to adapt to the internal inclination angle and the tail inclination angle of different centrum nail feeding directions. The utility model discloses predetermine a plurality of guiding holes or direction spout on assistance-localization real-time direction template, can quick selection suitable guiding hole or direction spout, reduce the doctor and observe repeatedly and confirm the time of advancing the nail position through X ray, improve operation efficiency.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to a location and guidance system for percutaneous wicresoft's pedicle of vertebral arch puncture.
Background
Chinese utility model patent with publication number 203042422U discloses pedicle of vertebral arch sighting device and sight thereof, and the patent number is: 201320055077. X. The pedicle sighting device comprises a guide sleeve and a sighting device which can be guided to slide and inserted into the guide sleeve, the sighting device is of a cylinder structure made of a material capable of transmitting X rays, one end of the sighting device is of a conical structure, at least two positioning through holes for penetrating the Kirschner wires are formed in the sighting device along the axis direction of the sighting device, the positioning through holes are distributed in an array mode on the end face of the sighting device, and a metal structure used for displaying the positions of the positioning through holes under the X-ray irradiation is arranged on the sighting device. Use the utility model discloses a sight can demonstrate positioning hole's position on the X-ray projection when C arm transmission patient backbone positive position piece, finds out the projection of the positioning hole that pedicle of vertebral arch central point put, and the positioning hole that this projection corresponds is the needle point of entry of pedicle of vertebral arch promptly, inserts the location that the pedicle of vertebral arch can be realized to the kirschner wire from this positioning hole.
The utility model discloses a chinese utility model patent of publication number 107518936a discloses a full backbone pedicle of vertebral arch positioning sleeve, patent application number: 201710730125.3, filing date: 2017-08-23. The multifunctional positioning piece is T-shaped and can indicate the level, sagittal azimuth positioning scales are marked at the end part of the multifunctional positioning piece connected with the bidirectional positioning vernier, the bidirectional positioning vernier can slide along the dial to position the horizontal azimuth and can rotate along the multifunctional positioning piece to position the sagittal azimuth, and the bidirectional positioning vernier is perpendicular to the rotating plane along the sliding of the dial and the multifunctional positioning piece. The utility model discloses a can quantify the three-dimensional direction that pedicle of vertebral arch screw implanted, avoid backbone segment section restriction and anatomy structure restriction, guarantee the accuracy of pedicle of vertebral arch screw implantation location.
Although the first patent mentioned above can insert kirschner wires through the positioning through holes to realize pedicle positioning, since the three-dimensional anatomical structure of the spine has an inclination angle and a tail inclination angle, only the positioning points for pedicle screw implantation are found, and the appropriate inclination angle and tail inclination angle in the vertebral body screw feeding direction cannot be found quickly, and the pedicle screw implantation positioning accuracy cannot be ensured.
The second patent can quantify the three-dimensional direction of pedicle screw implantation, but fails to effectively perform the quick positioning of the pedicle of vertebral arch, and is also difficult to ensure the accuracy of pedicle screw implantation positioning. The pedicle aiming and positioning instrument disclosed by the two patents has the advantages of large volume, high cost, complex structure, inconvenient operation, prolonged operation time and long X-ray irradiation time for doctors and patients, thereby damaging the physical health of the doctors and patients.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a location and guidance system of percutaneous wicresoft's pedicle of vertebral arch puncture helps carrying out the pedicle of vertebral arch location fast to can find the suitable inclination and the tail dip angle of centrum nail feeding direction sooner, realize the accurate positioning of pedicle of vertebral arch screw implantation.
The purpose of the utility model is realized by adopting the following technical scheme:
the percutaneous minimally invasive pedicle puncture guide system comprises a pedicle puncture auxiliary positioning guide template, a guide tube, a puncture needle expansion sleeve, a puncture needle and a fixing handle thereof, wherein the auxiliary positioning guide template is provided with a metal grid and a plurality of guide holes for marking positions, the guide tube is inserted into the guide holes, the puncture needle expansion sleeve is inserted into the guide tube, and the puncture needle is fixed by the fixing handle and can extend into the expansion sleeve;
the metal grid is used for assisting in positioning the guide tube under the irradiation of X-rays, the thickness of the positioning guide template is more than or equal to 2mm, and the angle of the central axis of the guide hole is consistent with the inner inclination angle and the tail inclination angle of the screw feeding direction of the vertebral body;
the central axis angles of the plurality of guide holes of the positioning guide template are different from each other so as to adapt to the inclination angles and the tail inclination angles of different centrum nail feeding directions.
As the utility model discloses a preferred technical scheme, the location direction template is established to the rectangle structure, the metal mesh includes many mutually perpendicular crossing transverse lines and vertical line, a plurality of guiding hole transverse arrangement are in the middle of the both sides of vertical line to mutual symmetry sets up.
As a preferred technical solution of the present invention, the middle longitudinal line of the metal grid is a thickened main longitudinal line, the two sides of the main longitudinal line are respectively provided with a left longitudinal line and a right longitudinal line which are uniformly arranged in sequence, and the left longitudinal line and the right longitudinal line are symmetrically arranged; the transverse lines of the metal grids are uniformly distributed and arranged in sequence.
As the utility model discloses a preferred technical scheme, the diameter of guiding hole is 2.5mm-6mm, and the diameter of a plurality of guiding holes of transverse arrangement in same line is the same, and guiding hole the central axis's angle is mutually different, and wherein, the hole pitch of two adjacent guiding holes is less than the diameter of guiding hole, and a plurality of consecutive crossing guiding holes constitute the direction spout.
As the utility model discloses an optimal technical scheme, be equipped with two lines of guiding holes that are parallel to each other on the location direction template at least to the diameter of two adjacent lines of guiding holes is different.
As the preferred technical scheme of the utility model, the angle of the central axis of the guide hole comprises a tail dip angle and an inner dip angle; the location direction template is equipped with three group's guiding holes at least, and every group guiding hole comprises last hole, mesopore and lower hole, and wherein, the angle of every group guiding hole central axis is as follows:
first set of pilot holes: the tail inclination angle of the upper hole is 0 degree, the inner inclination angle of the upper hole is 8 degrees, the tail inclination angle of the middle hole is 0 degree, the inner inclination angle of the middle hole is 10 degrees, the tail inclination angle of the lower hole is 0 degree, and the inner inclination angle of the lower hole is 12 degrees;
a second set of pilot holes: the tail inclination angle of the upper hole is 6 degrees, the inner inclination angle of the upper hole is 8 degrees, the tail inclination angle of the middle hole is 6 degrees, the inner inclination angle of the middle hole is 10 degrees, the tail inclination angle of the lower hole is 6 degrees, and the inner inclination angle of the lower hole is 12 degrees;
third group of pilot holes: the dip angle of the tail of the upper hole is 10 degrees, the dip angle of the tail of the upper hole is 8 degrees, the dip angle of the tail of the middle hole is 10 degrees, the dip angle of the inner hole of the middle hole is 10 degrees, the dip angle of the tail of the lower hole is 10 degrees, and the dip angle of the tail of the lower hole is 12.
As the preferred technical scheme of the utility model, the positioning guide template is made of polyether-ether-ketone special engineering Plastics (PEEK), and the upper surface of the positioning guide template is provided with a metal grid; the upper end of the puncture needle is inserted into the fixing hole of the fixing handle, one side of the fixing hole is provided with a locking screw, and the puncture needle and the fixing handle can be connected and fixed through the locking screw.
As the preferred technical proposal of the utility model, the metal grid is made of medical stainless steel wires.
As the utility model discloses a preferred technical scheme, the upper surface of location direction template be equipped with metal mesh assorted net recess, the metal mesh is placed in the net recess to establish to separable movable mounting mode.
As the utility model discloses a preferred technical scheme, the location direction template is fixed with medical operation table through connecting adjusting device, it includes saddle-shaped support, level detection appearance and bolt adjustment mechanism to connect adjusting device, the support is connected and is fixed with the operation table, and level detection appearance establishes the upper surface at the support, and the support upper surface is connected with the location direction template and is fixed to the levelness of accessible bolt adjustment mechanism adjustment location direction template.
The utility model has the advantages that: compared with the prior art, the utility model has the characteristics of it is following:
1. the auxiliary positioning guide template adopts a flat plate structure, and a metal grid on the template is used for quickly positioning under X-ray fluoroscopy.
2. According to the pedicle of vertebral arch inclination and the tail inclination data collected from different human bodies, a plurality of guide holes or guide chutes are preset on the auxiliary positioning guide template, so that the suitable guide holes or guide chutes can be conveniently and quickly selected during the operation, the time for a doctor to repeatedly observe and confirm the nail feeding direction through X-rays is reduced, and the operation efficiency is greatly improved.
3. According to the vertebral pedicle internal inclination angle and the tail inclination angle data of the compressive vertebral body deformation, the auxiliary positioning guide template is provided with a special guide hole, so that the auxiliary positioning guide template can be conveniently used for performing operations on different patients.
4. Through the metal grid and the preset guide hole or the guide sliding groove, the quality and the efficiency of the vertebral body operation are improved, the times and the time of X-ray irradiation are reduced, and the health of doctors and patients is protected.
5. The auxiliary positioning guide template has the advantages of simple structure, small size, low cost and convenient operation, is favorable for reducing the overall cost of the operation, and relieves the burden of medical expenses of patients and countries.
The utility model discloses percutaneous wicresoft's pedicle of vertebral arch puncture location and direction can carry out the pedicle of vertebral arch location sooner, find the suitable inclination and the tail dip angle of centrum nail feeding direction fast, guarantee the accuracy of the position and the direction that the pedicle of vertebral arch screw was implanted.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic sectional view A-A of FIG. 1.
Fig. 3 is a schematic sectional structure view of B-B of fig. 1.
Fig. 4 is a schematic structural view of the connection between the puncture needle and the fixed handle of the present invention.
In the figure: 1. the device comprises a positioning guide template, 2, a metal grid, 3, a guide hole, 4, a main longitudinal line, 5, a left longitudinal line, 6, a right longitudinal line, 7, a transverse line, 8, a guide chute, 9, a fixed handle, 10, a puncture needle, 11 and a locking screw.
Detailed Description
The invention will be further described with reference to the following detailed description of the embodiments with reference to the accompanying drawings:
as shown in fig. 1 to 4, the percutaneous minimally invasive pedicle puncture guiding system comprises a pedicle puncture auxiliary positioning guide template 1, a guide tube, a puncture needle expansion sleeve, a puncture needle 10 and a fixing handle 9 thereof, wherein the auxiliary positioning guide template 1 is provided with a metal grid 2 for marking positions and a plurality of guide holes 3, the guide holes 3 are used for inserting the guide tube, the puncture needle expansion sleeve is inserted into the guide tube, and the puncture needle 10 is fixed by the fixing handle 9 and can extend into the expansion sleeve; the metal grid 2 is used for assisting the positioning of the guide tube under the irradiation of X-rays, the thickness of the positioning guide template 1 is more than or equal to 2mm, and the angle of the central axis of the guide hole 3 is consistent with the internal inclination angle and the tail inclination angle of the screw feeding direction of the vertebral body; the central axis angles of the plurality of guide holes 3 of the positioning guide template 1 are different from each other so as to adapt to the internal inclination angle and the tail inclination angle of different centrum nail feeding directions.
In this embodiment, the positioning and guiding template 1 is a rectangular structure, the metal grid 2 includes a plurality of transverse lines 7 and longitudinal lines which are perpendicular to each other, and the plurality of guiding holes 3 are transversely arranged on two sides of the central longitudinal line and are symmetrically arranged with respect to each other. The middle longitudinal line of the metal grid 2 is set as a thickened main longitudinal line 4, the two sides of the main longitudinal line 4 are respectively provided with a left longitudinal line 5 and a right longitudinal line 6 which are uniformly distributed and arranged in sequence, and the left longitudinal line and the right longitudinal line are symmetrically arranged; the transverse lines 7 of the metal grid 2 are arranged evenly in turn.
The diameter of the guide holes 3 is 2.5mm-6mm, the diameters of a plurality of guide holes 3 transversely arranged in the same row are the same, the angles of the central axes of the guide holes 3 are different, wherein the pitch of the adjacent two guide holes 3 is smaller than the diameter of the guide holes 3, and a plurality of guide holes which are continuously intersected form a guide chute 8. The angle of the central axis of the guide hole 3 comprises a tail inclination angle and an inner inclination angle.
As shown in fig. 1, two rows of independent guide holes parallel to each other are provided on the positioning guide template 1, and the diameters of the two rows of guide holes are different. The positioning guide template 1 is also provided with three rows and two columns of guide chutes 8 which are parallel to each other, and the two columns of guide chutes 8 are in mirror symmetry relative to the main longitudinal line 4.
In this embodiment, the guiding holes that constitute the guiding chute 8 on the positioning guiding template 1 are at least provided with three groups, each group of guiding holes is composed of an upper hole, a middle hole and a lower hole, wherein the angle of the central axis of each group of guiding holes is as follows:
first set of pilot holes: the tail inclination angle of the upper hole is 0 degree, the inner inclination angle of the upper hole is 8 degrees, the tail inclination angle of the middle hole is 0 degree, the inner inclination angle of the middle hole is 10 degrees, the tail inclination angle of the lower hole is 0 degree, and the inner inclination angle of the lower hole is 12 degrees;
a second set of pilot holes: the tail inclination angle of the upper hole is 6 degrees, the inner inclination angle of the upper hole is 8 degrees, the tail inclination angle of the middle hole is 6 degrees, the inner inclination angle of the middle hole is 10 degrees, the tail inclination angle of the lower hole is 6 degrees, and the inner inclination angle of the lower hole is 12 degrees;
third group of pilot holes: the dip angle of the tail of the upper hole is 10 degrees, the dip angle of the tail of the upper hole is 8 degrees, the dip angle of the tail of the middle hole is 10 degrees, the dip angle of the inner hole of the middle hole is 10 degrees, the dip angle of the tail of the lower hole is 10 degrees, and the dip angle of the tail of the lower hole is 12.
In this embodiment, the positioning guide template 1 is made of a polyetheretherketone special engineering Plastic (PEEK), the upper surface of the positioning guide template 1 is provided with a metal mesh 2, and the metal mesh 2 is made of a medical stainless steel wire. The upper end of the puncture needle 10 is inserted into a fixing hole of the fixing handle 9, one side of the fixing hole is provided with a locking screw 11, and the puncture needle 10 and the fixing handle 9 can be connected and fixed through the locking screw 11.
As the utility model discloses a another kind of embodiment, the upper surface of location direction template 1 still be equipped with 2 assorted net recesses of metal mesh, metal mesh 2 contains the fixed first metal mesh of establishing at location direction template 1 and places the second metal mesh in the net recess, and second metal mesh is established to separable movable mounting mode. If necessary, a second metal grid can be placed in the grid groove for checking the positioning of the guide runners 8 or guide holes 3 in the positioning guide form 1.
Location direction template 1 can also be fixed with medical operation table through connecting adjusting device, it includes saddle-shaped support, level detector and bolt adjustment mechanism to connect adjusting device, the support is connected with the operation table and is fixed, and level detector establishes the upper surface at the support, and the support upper surface is connected with location direction template and is fixed to accessible bolt adjustment mechanism adjusts the levelness of location direction template. Therefore, the reference surface of the positioning guide template 1 can be adjusted before operation, and the adaptability adjustment can be carried out according to the body type characteristics of different patients.
The above embodiments are only for illustrating the conception and technical features of the present invention, and the purpose thereof is to make the technical personnel skilled in the art understand the technical solution and implementation mode of the present invention, and thus the protection scope of the present invention can not be limited thereby. All equivalent substitutions or equivalent changes made according to the technical scheme of the invention are intended to be covered by the protection scope of the claims of the invention.
Claims (10)
1. The utility model provides a percutaneous wicresoft pedicle of vertebral arch puncture guide system, includes pedicle of vertebral arch puncture assistance-localization real-time direction template, stand pipe, pjncture needle expansion sleeve, pjncture needle and fixed handle, characterized by: the auxiliary positioning guide template is provided with a metal grid for marking positions and a plurality of guide holes, the guide holes are used for inserting the guide pipes, a puncture needle expansion sleeve is inserted in the guide pipes, and a puncture needle is fixed by a fixing handle and can extend into the expansion sleeve;
the metal grid is used for assisting in positioning the guide tube under the irradiation of X-rays, the thickness of the positioning guide template is more than or equal to 2mm, and the angle of the central axis of the guide hole is consistent with the inner inclination angle and the tail inclination angle of the screw feeding direction of the vertebral body;
the central axis angles of the plurality of guide holes of the positioning guide template are different from each other so as to adapt to the inclination angles and the tail inclination angles of different centrum nail feeding directions.
2. The percutaneous minimally invasive pedicle puncture guide system according to claim 1, wherein: the positioning guide template is of a rectangular structure, the metal grid comprises a plurality of transverse lines and longitudinal lines which are perpendicular to each other, and the guide holes are transversely arranged on two sides of the middle longitudinal line and are symmetrically arranged with each other.
3. The percutaneous minimally invasive pedicle puncture guide system according to claim 2, wherein: the middle longitudinal line of the metal grid is a thickened main longitudinal line, left longitudinal lines and right longitudinal lines which are sequentially and uniformly distributed are arranged on two sides of the main longitudinal line respectively, and the left longitudinal lines and the right longitudinal lines are symmetrically arranged; the transverse lines of the metal grids are uniformly distributed and arranged in sequence.
4. The percutaneous minimally invasive pedicle puncture guide system according to claim 2, wherein: the diameter of the guide holes is 2.5mm-6mm, the diameters of a plurality of guide holes transversely arranged in the same row are the same, the angles of the central axes of the guide holes are different, the hole distance between two adjacent guide holes is smaller than the diameter of the guide holes, and a plurality of guide holes which are continuously intersected form a guide sliding groove.
5. The percutaneous minimally invasive pedicle puncture guiding system according to claim 4, wherein: the positioning guide template is at least provided with two rows of guide holes which are parallel to each other, and the diameters of the two adjacent rows of guide holes are different.
6. The percutaneous minimally invasive pedicle puncture guide system according to claim 1, wherein: the angle of the central axis of the guide hole comprises a tail inclination angle and an inner inclination angle; the location direction template is equipped with three group's guiding holes at least, and every group guiding hole comprises last hole, mesopore and lower hole, and wherein, the angle of every group guiding hole central axis is as follows:
first set of pilot holes: the tail inclination angle of the upper hole is 0 degree, the inner inclination angle of the upper hole is 8 degrees, the tail inclination angle of the middle hole is 0 degree, the inner inclination angle of the middle hole is 10 degrees, the tail inclination angle of the lower hole is 0 degree, and the inner inclination angle of the lower hole is 12 degrees;
a second set of pilot holes: the tail inclination angle of the upper hole is 6 degrees, the inner inclination angle of the upper hole is 8 degrees, the tail inclination angle of the middle hole is 6 degrees, the inner inclination angle of the middle hole is 10 degrees, the tail inclination angle of the lower hole is 6 degrees, and the inner inclination angle of the lower hole is 12 degrees;
third group of pilot holes: the dip angle of the tail of the upper hole is 10 degrees, the dip angle of the tail of the upper hole is 8 degrees, the dip angle of the tail of the middle hole is 10 degrees, the dip angle of the inner hole of the middle hole is 10 degrees, the dip angle of the tail of the lower hole is 10 degrees, and the dip angle of the tail of the lower hole is 12.
7. The percutaneous minimally invasive pedicle puncture guide system according to any one of claims 1 to 6, wherein: the positioning guide template is made of polyether-ether-ketone special engineering Plastics (PEEK), and a metal grid is arranged on the upper surface of the positioning guide template;
the upper end of the puncture needle is inserted into the fixing hole of the fixing handle, one side of the fixing hole is provided with a locking screw, and the puncture needle and the fixing handle can be connected and fixed through the locking screw.
8. The percutaneous minimally invasive pedicle puncture guiding system according to claim 7, wherein: the metal grid is made of medical stainless steel wires.
9. The percutaneous minimally invasive pedicle puncture guiding system according to claim 7, wherein: the upper surface of the positioning guide template is provided with a grid groove matched with the metal grid, and the metal grid is placed in the grid groove and is set into a detachable movable mounting mode.
10. The percutaneous minimally invasive pedicle puncture guide system according to claim 1, wherein: the utility model discloses a medical operation table, including the medical operation table of support, horizontal detector and bolt adjustment mechanism, the location direction template is fixed with medical operation table through connecting adjusting device, connect adjusting device and include saddle-shaped support, horizontal detector and bolt adjustment mechanism, the support is connected with the operation table and is fixed, and horizontal detector establishes the upper surface at the support, and the support upper surface is connected and is fixed with location direction template to the levelness of accessible bolt adjustment mechanism adjustment location direction template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922195791.9U CN211633545U (en) | 2019-12-09 | 2019-12-09 | Percutaneous minimally invasive pedicle of vertebral arch puncture guiding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922195791.9U CN211633545U (en) | 2019-12-09 | 2019-12-09 | Percutaneous minimally invasive pedicle of vertebral arch puncture guiding system |
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| Publication Number | Publication Date |
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| CN211633545U true CN211633545U (en) | 2020-10-09 |
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| CN201922195791.9U Expired - Fee Related CN211633545U (en) | 2019-12-09 | 2019-12-09 | Percutaneous minimally invasive pedicle of vertebral arch puncture guiding system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110840548A (en) * | 2019-12-09 | 2020-02-28 | 王国喜 | Percutaneous minimally invasive pedicle of vertebral arch puncture guiding system |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110840548A (en) * | 2019-12-09 | 2020-02-28 | 王国喜 | Percutaneous minimally invasive pedicle of vertebral arch puncture guiding system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 Termination date: 20211209 |