CN216675880U - Pedicle of vertebral arch ware of opening a way at visual inclination - Google Patents
Pedicle of vertebral arch ware of opening a way at visual inclination Download PDFInfo
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- CN216675880U CN216675880U CN202123070174.XU CN202123070174U CN216675880U CN 216675880 U CN216675880 U CN 216675880U CN 202123070174 U CN202123070174 U CN 202123070174U CN 216675880 U CN216675880 U CN 216675880U
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Abstract
The utility model provides a pedicle of vertebral arch of visual inclination ware of opening a way, it includes the rod body of opening a way; the flat open circuit part is coaxially and integrally arranged at the lower end of the open circuit rod body; the coaxial inclination display portion that sets up in the body of rod upper end of opening a way, inclination display portion includes the cross section inclination display surface with the flat surface parallel arrangement of the portion of opening a way, and the sagittal plane inclination display surface that sets up perpendicularly with the flat surface of the portion of opening a way, the indent is equipped with cross section arc scale groove on cross section inclination display surface and the sagittal plane inclination display surface respectively, sagittal plane arc scale groove, cross section angle scale and sagittal plane angle scale have been marked respectively on cross section arc scale groove and the sagittal plane arc scale groove, cross section arc scale groove and sagittal plane arc scale inslot all are equipped with the free spheroid. The inclined angles of the current cross section and the sagittal plane of the pedicle of vertebral arch opener can be determined by respectively arranging the arc-shaped scale groove of the cross section and the arc-shaped scale groove of the sagittal plane and according to the scale of the staying position of the ball body in the groove.
Description
Technical Field
The utility model relates to the technical field of spinal surgery instruments, in particular to a pedicle of vertebral arch road opener with a visual inclination angle.
Background
The treatment of many spinal surgical diseases requires robust pedicle screw fixation, and accurate screw implantation can ensure fixation strength, avoid nerve damage, and reduce the occurrence of proximal and distal complications, which rely on the use of pedicle openers to prepare screw tunnels at the correct nail insertion points and directions. The screw inserting direction is a vector in a three-dimensional space, the pedicle inclination angle of a patient needs to be ideally matched on the cross section and the sagittal plane, the inclination angle can be obtained by preoperative imaging measurement, but the matching in the current operation still mainly depends on hand feeling and experience, the inclination angle deviation of visual estimation is large, the bone injury nerve is easy to penetrate through, and irreversible serious consequences are caused. In order to accurately implant the pedicle screws, the prior art proposes three pedicle openers that can display the angle:
1. the electronic sensor displays the angle type, and has the advantages that: digital display, clear and easy to read, and has the following defects: the circuit breaker needs high-temperature and high-pressure sterilization before each operation, electronic components cannot resist high temperature and high pressure, and the circuit breaker is expensive in manufacturing cost and not popular.
2. The liquid level or bubble level meter display angle type has the following defects: the liquid and the air bubbles are difficult to maintain accurate indication after high-temperature and high-pressure sterilization, especially frequent high-temperature and high-pressure sterilization, can not be used for a long time, and are not suitable for the environment for surgical operation.
3. Angle type is displayed with a pointer: the disadvantages are as follows: the structure is fine and easy to damage, and is easy to rust after frequent high-temperature and high-pressure sterilization, so that the medical instrument cannot be used for a long time and is not suitable for the environment for surgical operation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pedicle of vertebral arch road-opening device with a visual inclination angle, which is used for solving the technical problems.
The utility model provides a pedicle of vertebral arch of visual inclination opens the way ware, it includes
Opening the pole body;
the flat open circuit part is coaxially and integrally arranged at the lower end of the open circuit rod body;
the coaxial inclination display part that sets up in the body upper end of opening a way, the inclination display part includes cross section inclination display surface and sagittal plane inclination display surface, cross section inclination display surface and the flat plane parallel arrangement of the portion of opening a way, sagittal plane inclination display surface sets up with the flat plane of the portion of opening a way perpendicularly, the indent is equipped with cross section arc scale groove, sagittal plane arc scale groove respectively on cross section inclination display surface and the sagittal plane inclination display surface, cross section angle scale and sagittal plane angle scale have been marked respectively on cross section arc scale groove and the sagittal plane arc scale groove, cross section arc scale groove and sagittal plane arc scale inslot all are equipped with the free spheroid, just the free spheroid is all sealed by a transparent visual window and sets up in the inslot.
Preferably, the cross section inclination angle display surface and the sagittal plane inclination angle display surface are perpendicular to each other and are adjacently arranged.
Preferably, the central symmetry lines of the arc-shaped scale groove of the cross section and the arc-shaped scale groove of the sagittal plane are both parallel to the central axis of the open-circuit rod body.
Preferably, the inclination display part is a square cylinder, and the inclination display surface of the cross section and the inclination display surface of the sagittal plane are two adjacent longitudinal planes of the square cylinder respectively.
Preferably, the central axes of the arc-shaped scale groove of the cross section and the arc-shaped scale groove of the sagittal plane are perpendicular to the central axis of the open-circuit rod body.
Preferably, the open circuit rod body and the open circuit part are both provided with length scales, and the length scales continuously extend to the open circuit rod body from the free end of the open circuit part along the axis direction.
Preferably, the diameter of the open-circuit rod body gradually increases along a direction away from the open-circuit part.
The utility model relates to a pedicle of vertebral arch of a visual inclination ware of opening a way, it is through setting up the cross section dip angle display surface that is set up parallel to flat plane of the open circuit portion at the top of the pedicle of vertebral arch ware of opening a way, and the sagittal plane dip angle display surface that sets up perpendicular to flat plane of the open circuit portion, and set up the arc scale groove of cross section with angle scale, sagittal plane arc scale groove on the dip angle display surface of said cross section dip angle and sagittal plane separately indent, set up the place scale of staying of free sphere in the groove according to sealing, can confirm the cross section of the pedicle of vertebral arch ware of opening a way and sagittal plane dip angle, thus make the preparation of the nail way accurate, easy to adjust and control, the direction of inserting the nail in the three-dimensional space is safer, the mechanical property of the screw is better; the pedicle of vertebral arch of the visual inclination of the utility model opens the road device, its simple structure, the material is sturdy and durable, with low costs, is suitable for needing the surgical scene of frequent high-temperature high-pressure sterilization; particularly for low-age medical personnel with insufficient spinal surgery experience, the device has reliable reference value and is beneficial to the rapid, smooth and safe operation.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic perspective view of a pedicle opener with a visible inclination angle according to an embodiment of the utility model;
fig. 2 is a front view of a visual oblique pedicle opener according to an embodiment of the utility model.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The utility model provides a pedicle of vertebral arch of visual inclination ware of opening a way, it includes the body of rod of opening a way 1, part of opening a way 2 and inclination display part 3, the part of opening a way 2 sets up in the body of rod of opening a way 1 lower extreme of body of rod coaxially as an organic whole, and take the form of the platykurtic, the inclination display part 3 sets up in the body of rod of opening a way 1 upper end coaxially.
As shown in fig. 1 and 2, the open-circuit rod body 1 is a tapered rod body, and the diameter thereof gradually increases in a direction away from the open-circuit portion 2. The open circuit rod body 1 and the open circuit part 2 are both provided with length scales, and the length scales continuously extend to the open circuit rod body 1 from the free end of the open circuit part 2 along the axis direction. The length scale can mark the depth of the nail path.
The inclination display part 3 comprises a cross section inclination display surface 31 and a sagittal plane inclination display surface 32, the cross section inclination display surface 31 and the sagittal plane inclination display surface 32 are perpendicular to each other and are arranged adjacently, as shown in fig. 1, the inclination display part 3 is a square column body coaxially arranged with the open circuit rod body 1, two adjacent longitudinal planes on the square column body are respectively the cross section inclination display surface 31 and the sagittal plane inclination display surface 32, wherein the cross section inclination display surface 31 is arranged in parallel with the flat surface of the open circuit part 2, and the sagittal plane inclination display surface 32 is arranged perpendicularly to the flat surface of the open circuit part 2.
As shown in fig. 1, the cross section inclination angle display surface 31 and the sagittal plane inclination angle display surface 32 are respectively provided with a cross section arc scale groove 33 and a sagittal plane arc scale groove 34 in a concave manner, central axes of the cross section arc scale groove 33 and the sagittal plane arc scale groove 34 are both perpendicular to the central axis of the open-circuit rod body 1, and central symmetry lines of the cross section arc scale groove 33 and the sagittal plane arc scale groove 34 are both parallel to the central axis of the open-circuit rod body 1. As shown in fig. 1 and fig. 2, the cross section arc scale groove 33 and the sagittal plane arc scale groove 34 are respectively marked with a cross section angle scale and a sagittal plane angle scale, and the scales on the cross section arc scale groove 33 and the sagittal plane arc scale groove 34 are respectively marked with 0 degree marks on the central symmetry line thereof.
The cross section arc scale groove 33 and the sagittal plane arc scale groove 34 are both provided with free spheres 4, and the spheres 4 can freely roll in the grooves. The material of the spheres 4 should have a high density and no significant deformation at high temperature and high pressure, and preferably steel can be selected as the material, which is robust and developed under X-ray. When the pedicle opener is obliquely arranged, the inclination angles of the current cross section and the sagittal plane of the pedicle opener can be definitely known according to the angle scales corresponding to the positions of the free sphere 4 in the cross section arc scale groove 33 and the sagittal plane arc scale groove 34.
Transparent sealed visual windows are arranged on the notches of the cross section arc scale groove 33 and the sagittal plane arc scale groove 34, are preferably made of organic glass, and are non-toxic, high-temperature resistant and high-pressure resistant. The free spheres 4 are sealed and arranged in the grooves by a transparent visual window, and medical personnel can check the scales of the free spheres 4 through the visual window, so that the inclination angles of the current cross section and the sagittal plane of the pedicle opener can be determined.
The utility model relates to a pedicle of vertebral arch of a visual inclination opens the road device, it is through setting up the cross section dip angle display surface 31 that is set up with the flat plane of the open circuit part 2 in parallel at the top of the pedicle of vertebral arch opens the road device, and sagittal plane dip angle display surface 32 that is set up perpendicular to flat plane of the open circuit part 2, and set up the cross section arc scale groove 33 with angle scale, sagittal plane arc scale groove 34 on said cross section dip angle display surface 31 and sagittal plane dip angle display surface 32 indent respectively, according to setting up the place scale of staying position of free spheroid 4 in the groove sealingly, can confirm the cross section of the pedicle of vertebral arch opens the road device and the dip angle of the sagittal plane, thus make the preparation of the nail way accurate, easy to adjust and control, the direction of inserting the nail in the three-dimensional space is safer, the mechanical property of the screw is better; the pedicle of vertebral arch of the visual inclination of the utility model opens the road device, its simple structure, the material is sturdy and durable, with low costs, is suitable for needing the surgical scene of frequent high-temperature high-pressure sterilization; particularly for low-age medical personnel with insufficient spinal surgery experience, the device has reliable reference value and is beneficial to the rapid, smooth and safe operation.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A pedicle of vertebral arch road-opener with a visual inclination angle is characterized by comprising
Opening the pole body;
the flat open circuit part is coaxially and integrally arranged at the lower end of the open circuit rod body;
the coaxial inclination display part that sets up in the body upper end of opening a way, the inclination display part includes cross section inclination display surface and sagittal plane inclination display surface, cross section inclination display surface and the flat plane parallel arrangement of the portion of opening a way, sagittal plane inclination display surface sets up with the flat plane of the portion of opening a way perpendicularly, the indent is equipped with cross section arc scale groove, sagittal plane arc scale groove respectively on cross section inclination display surface and the sagittal plane inclination display surface, cross section angle scale and sagittal plane angle scale have been marked respectively on cross section arc scale groove and the sagittal plane arc scale groove, cross section arc scale groove and sagittal plane arc scale inslot all are equipped with the free spheroid, just the free spheroid is all sealed by a transparent visual window and sets up in the inslot.
2. A visual inclination pedicle opener according to claim 1, wherein the transverse inclination angle display plane and the sagittal inclination angle display plane are perpendicular to each other and are arranged adjacently.
3. A pedicle opener according to claim 1, characterized in that the central symmetry lines of the arc scale grooves of the cross section and the sagittal plane are parallel to the central axis of the open rod body.
4. The pedicle opener according to claim 1, wherein the inclination angle display part is a square cylinder, and the transverse section inclination angle display surface and the sagittal plane inclination angle display surface are two adjacent longitudinal planes of the square cylinder respectively.
5. The pedicle of vertebral arch of claim 1, wherein the central axes of the arc scale grooves of the cross section and the sagittal plane are perpendicular to the central axis of the open rod body.
6. A visual inclination pedicle opener according to claim 1, wherein the open rod body and the open portion are provided with length scales, and the length scales continuously extend from the free end of the open portion to the open rod body along the axial direction.
7. A visual inclination pedicle opener according to claim 1, wherein the diameter of the opening rod body increases gradually in a direction away from the opening portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123070174.XU CN216675880U (en) | 2021-12-08 | 2021-12-08 | Pedicle of vertebral arch ware of opening a way at visual inclination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123070174.XU CN216675880U (en) | 2021-12-08 | 2021-12-08 | Pedicle of vertebral arch ware of opening a way at visual inclination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216675880U true CN216675880U (en) | 2022-06-07 |
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ID=81837604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123070174.XU Active CN216675880U (en) | 2021-12-08 | 2021-12-08 | Pedicle of vertebral arch ware of opening a way at visual inclination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216675880U (en) |
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2021
- 2021-12-08 CN CN202123070174.XU patent/CN216675880U/en active Active
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