CN219921172U - Centrum puncture positioning guide - Google Patents
Centrum puncture positioning guide Download PDFInfo
- Publication number
- CN219921172U CN219921172U CN202321064394.8U CN202321064394U CN219921172U CN 219921172 U CN219921172 U CN 219921172U CN 202321064394 U CN202321064394 U CN 202321064394U CN 219921172 U CN219921172 U CN 219921172U
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- frame
- puncture
- guide
- positioning
- wall
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- 201000010099 disease Diseases 0.000 claims description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 6
- 238000002591 computed tomography Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000018650 Intervertebral disc disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
Abstract
The utility model discloses a vertebral body puncture positioning guide device, which comprises a positioning frame, wherein four corners of the positioning frame are respectively provided with a positioning end; a guide sleeve; the guide frames are symmetrically arranged on two sides of the positioning frame, and a notch is formed in the middle of each guide frame; an adjusting rod is arranged in the notch; and a connecting piece. According to the CT scanning puncture needle, the distance and the angle of the guide sleeve can be adjusted according to the puncture route calibrated after CT scanning, the angle and the distance of the guide sleeve can be fixed by rotating the adjusting rod once in the fixing process, the operation is simple and quick, then a doctor can push the puncture needle into the vertebra of a human body according to the track of the guide sleeve to puncture, the puncture direction is ensured, the puncture needle can smoothly pass through the pedicle of vertebral arch to reach the vertebral body, pain of a patient caused by repeated puncture is avoided, the distance and the angle of the guide sleeve can be accurately adjusted, the accuracy range of the distance can reach 0.1 millimeter, and the puncture accuracy is greatly improved.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a vertebral body puncture positioning guide device.
Background
The current lumbar intervertebral disc puncture is performed under CT guidance, the intervertebral disc can be seen through CT scanning, the puncture route of percutaneous access to the intervertebral disc can be marked on a CT work control station, wherein the puncture route comprises puncture points on the skin, the puncture points can be marked on the skin by the distance from the puncture points to the intervertebral disc edge and the angle formed by the puncture route and the spinal column horizontal line by using a laser positioning lamp of CT.
The doctor usually makes a rough manual comparison through the inclination angle between lumbar vertebrae at the lesion part displayed on the CT work control station, and punctures according to the comparison, and the operation is that the compared inclination angle and position between lumbar vertebrae are inaccurate, especially the doctor with less experience needs to repeatedly conduct for several times to puncture successfully, thus increasing the pain of patients and even affecting the treatment effect of lumbar disc diseases.
Disclosure of Invention
The utility model aims to provide a vertebral body puncture positioning guide device which aims to solve the problems in the background technology.
In order to solve the technical problems, the utility model provides the following technical scheme: the vertebral body puncture positioning guider comprises a positioning frame, wherein four corners of the positioning frame are respectively provided with a positioning end which is used for marking the position of a disease cone; the two ends of the guide sleeve are opened and are used for inserting a puncture needle so as to assist the puncture needle to be guided in; the guide frames are symmetrically arranged on two sides of the positioning frame, and a notch is formed in the middle of each guide frame; an adjusting rod is arranged in the notch, and the adjusting rod moves along the axial direction of the notch; and one end of the connecting piece is sleeved on the outer wall of the guide sleeve, and the other end of the connecting piece is sleeved on the outer wall of the adjusting rod.
Preferably, the connecting piece includes the arc overcoat, the arc overcoat cover is located on the guide sleeve's the outer wall, the both ends outer wall of arc overcoat all is equipped with the lug respectively, the round hole has been seted up to the lug inner wall, adjust pole one end and run through the round hole realizes adjusting the connection between pole and the connecting piece, the lug outer wall is equipped with the spacing dish, the spacing dish with be equipped with the rubber pad on the outer wall of leading truck laminating, frictional force between multiplicable spacing dish and the leading truck.
Preferably, the adjusting rod comprises a first rod body and a second rod body, one end of the first rod body is fixedly connected with one end of the second rod body, one end of the first rod body penetrates through the round hole, and one end of the second rod body penetrates through the notch.
Preferably, an external thread is arranged on the outer wall of the rod body, an internal thread meshed with the external thread is arranged on the inner wall of the round hole, and the connecting piece can be driven to move by the rotation of the rod body.
Preferably, the second end of the rod body extends to the outer side of the notch, a circular protrusion is arranged on the outer side of the notch, a polygonal groove is arranged on the inner wall of the circular protrusion, and the second rod body can be rotated by inserting a corresponding tool.
Preferably, the outer wall of the guide frame is carved with scale values which are distance scale values and are used for measuring the distance of the puncture needle.
Preferably, the positioning frame comprises a first frame strip and a second frame strip, the first frame strip is straight, the second frame strip is arc-shaped, the arc is fit with the spine arc of a human body, two ends of the first frame strip are respectively connected with the second frame strip, and two ends of the second frame strip are respectively connected with the second frame strip.
Preferably, a spine alignment frame is arranged between the first frame strips, an alignment opening is formed in the middle of the spine alignment frame, the alignment opening is positioned on the central axis of the first frame strips, and is aligned with the spine to mark the position of the diseased spine.
Preferably, the positioning end comprises a cylinder, and a positioning hole is formed in the center of the cylinder and used for enabling the cylinder to be aligned with the center of the disease vertebral point.
The beneficial effects achieved by the utility model are as follows:
1. according to the CT scanning puncture needle, the distance and the angle of the guide sleeve can be adjusted according to the puncture route calibrated after CT scanning, the angle and the distance of the guide sleeve can be fixed by only rotating the adjusting rod once in the fixing process, the operation is simple and quick, the use is convenient, then a doctor can push the puncture needle into the vertebra of a human body according to the track of the guide sleeve to puncture, the puncture direction is ensured, the puncture needle can smoothly pass through the pedicle to reach the vertebral body, pain of a patient caused by repeated puncture is avoided, the distance and the angle of the guide sleeve can be accurately adjusted, the accuracy range of the distance can reach 0.1 millimeter, and the puncture accuracy is greatly improved.
Drawings
FIG. 1 is a perspective view of the entire present utility model;
FIG. 2 is a perspective view of the connector of the present utility model;
FIG. 3 is a perspective view of the adjustment lever of the present utility model;
in the figure: 1. a positioning frame; 101. a first frame strip; 102. a second frame strip; 103. a spinal alignment frame; 104. an alignment port; 2. a positioning end; 201. a cylinder; 202. positioning holes; 3. a guide sleeve; 4. a guide frame; 5. a notch; 6. an adjusting rod; 601. a first rod body; 602. a second rod body; 603. an external thread; 604. an internal thread; 605. a circular protrusion; 606. polygonal grooves; 7. a connecting piece; 701. an arc-shaped outer sleeve; 702. a bump; 703. a limiting disc; 704. a rubber pad; 705. and a round hole.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1-3, the present utility model provides the following technical solutions: the utility model provides a centrum puncture location director, including locating frame 1, locating frame 1 includes frame strip one 101 and frame strip two 102, frame strip one 101 is straight, frame strip two 102 is the arc, its arc shape laminating is with the shape of human vertebra both sides, be convenient for mark the accurate position of human vertebra, frame strip one 101's both ends all are connected with frame strip two 102 respectively, frame strip two 102's both ends all are connected with frame strip one 101 respectively, be equipped with backbone alignment frame 103 between two frame strips one 101, the backbone alignment frame 103 has offered in the middle of the alignment mouth 104, alignment mouth 104 is located the axis of frame strip one 101, with alignment mouth 104 and the central line alignment of vertebra, can improve the precision of location.
Furthermore, four corners of the positioning frame 1 are respectively provided with positioning ends 2 which are used for marking the positions of the disease cones; the positioning end 2 comprises a cylinder 201, and a positioning hole 202 is arranged in the center of the cylinder 201 and used for aligning the cylinder 201 with the center of the disease vertebral point.
The positioner also comprises a guide sleeve 3, and both ends of the guide sleeve 3 are open for inserting a puncture needle to assist the puncture needle to be guided in.
The positioner also comprises a guide frame 4, the guide frames 4 are symmetrically arranged on two sides of the positioning frame 1, and a notch 5 is formed in the middle of the guide frame 4; the notch 5 is internally provided with an adjusting rod 6, the adjusting rod 6 axially displaces along the notch 5, the outer wall of the guide frame 4 is carved with scale values, the scale values can be distance scales, and the current position of the adjusting rod 6 can be displayed when the adjusting rod 6 displaces.
The positioner further comprises a connecting piece 7, one end of the connecting piece 7 is sleeved on the outer wall of the guide sleeve 3, and the other end of the connecting piece 7 is sleeved on the outer wall of the adjusting rod 6.
Further, the connecting piece 7 comprises an arc-shaped outer sleeve 701, the arc-shaped outer sleeve 701 is sleeved on the outer wall of the guide sleeve 3, protruding blocks 702 are respectively arranged on the outer walls of the two ends of the arc-shaped outer sleeve 701, round holes 705 are formed in the inner walls of the protruding blocks 702, one end of the adjusting rod 6 penetrates through the round holes 705, a limiting disc 703 is arranged on the outer wall of the protruding blocks 702, and a rubber pad 704 is arranged on the outer wall, attached to the guide frame 4, of the limiting disc 703.
Further, the adjusting rod 6 comprises a first rod body 601 and a second rod body 602, one end of the first rod body 601 is fixedly connected with one end of the second rod body 602, one end of the first rod body 601 penetrates through the round hole 705, one end of the second rod body 602 penetrates through the notch 5, an external thread 603 is arranged on the outer wall of the first rod body 601, an internal thread 604 meshed with the external thread 603 is arranged on the inner wall of the round hole 705, the first rod body 601 rotates to drive the connecting piece 7 to displace, a circular protrusion 605 is arranged at one end of the second rod body 602 extending to the outer side of the notch 5, and a polygonal groove 606 is formed in the inner wall of the circular protrusion 605.
The specific implementation mode is as follows: according to the distance from the puncture point of the CT mark to the intervertebral disc edge and the angle formed by the puncture route and the spinal column horizontal line, the horizontal movement is utilized to adjust the rod 6, the rod 6 can drive the connecting piece 7 to displace, thereby the guide sleeve 3 can be driven to displace, the guide sleeve 3 can be moved to a proper distance, the distance can be observed through the scale value carved on the outer wall of the guide frame 4 in the moving process, then the guide sleeve 3 is rotated, the protractor is placed, the angle of the guide sleeve 3 can be adjusted, the puncture requirement can be met according to the angle adjustment formed by the puncture route and the spinal column horizontal line, after the position and the angle adjustment are well, the tool is utilized to be engaged with the polygonal groove, the rod body two 602 is driven to rotate, the rod body two 602 can drive the rod body one 601 to rotate, the external thread 603 on the outer wall of the rod body one 601 is meshed with the internal thread 604 to drive the lug 702 to displace, the lug 702 can drive the limit disc 703 to move, the limit disc 703 is tightly attached to the guide frame 4 before the limit disc 703 is close to the guide frame 4, the rubber pad 704 can increase the friction force between the limit disc 703 and the guide frame 4, thereby fix the position of the connecting piece 7, the position of the guide sleeve 3, the position of the needle can be fixed according to the angle adjustment formed by the puncture route and the spinal column horizontal line, the puncture point can be aligned with the human body 3, the puncture point can be aligned with the human body on the position of the human body, and the human body can be positioned on the four puncture needle on the center, and the position of the human body can be aligned with the position of the human body on the human body, and the position can be aligned with the position on the position of the human body on the position at the position of the four puncture needle, and the position can be positioned on the inside the human body, and the position and the inside the human body, and the puncture needle can be positioned on the opposite the position and the opposite to the position.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. A centrum puncture positioning guide, which is characterized in that: comprising
The locating device comprises a locating frame (1), wherein locating ends (2) are respectively arranged at four corners of the locating frame (1) and used for marking the positions of the disease cones;
the two ends of the guide sleeve (3) are open and are used for inserting a puncture needle so as to assist the puncture needle to be guided in;
the guide frames (4) are symmetrically arranged on two sides of the positioning frame (1), and a notch (5) is formed in the middle of each guide frame (4); an adjusting rod (6) is arranged in the notch (5), and the adjusting rod (6) moves along the axial direction of the notch (5);
and one end of the connecting piece (7) is sleeved on the outer wall of the guide sleeve (3), and the other end of the connecting piece (7) is sleeved on the outer wall of the adjusting rod (6).
2. A vertebral body puncture positioning guide as set forth in claim 1, wherein: the connecting piece (7) comprises an arc-shaped outer sleeve (701), the arc-shaped outer sleeve (701) is sleeved on the outer wall of the guide sleeve (3), protruding blocks (702) are respectively arranged on the outer walls of the two ends of the arc-shaped outer sleeve (701), round holes (705) are formed in the inner walls of the protruding blocks (702), one end of the adjusting rod (6) penetrates through the round holes (705), limiting discs (703) are arranged on the outer walls of the protruding blocks (702), and rubber pads (704) are arranged on the outer walls of the limiting discs (703) and the outer walls of the guide frames (4) in a fitting mode.
3. A vertebral body puncture positioning guide as set forth in claim 2, wherein: the adjusting rod (6) comprises a first rod body (601) and a second rod body (602), one end of the first rod body (601) is fixedly connected with one end of the second rod body (602), one end of the first rod body (601) penetrates through the round hole (705), and one end of the second rod body (602) penetrates through the notch (5).
4. A vertebral body piercing positioning guide as recited in claim 3, wherein: the outer wall of the first rod body (601) is provided with an external thread (603), the inner wall of the round hole (705) is provided with an internal thread (604) meshed with the external thread (603), and the first rod body (601) can rotate to drive the connecting piece (7) to move.
5. A vertebral body piercing positioning guide as recited in claim 3, wherein: one end of the second rod body (602) extends to the outer side of the notch (5) and is provided with a circular protrusion (605), and the inner wall of the circular protrusion (605) is provided with a polygonal groove (606).
6. A vertebral body puncture positioning guide as set forth in claim 1, wherein: the outer wall of the guide frame (4) is carved with scale values.
7. A vertebral body puncture positioning guide as set forth in claim 1, wherein: the positioning frame (1) comprises a first frame strip (101) and a second frame strip (102), the first frame strip (101) is straight, the second frame strip (102) is arc-shaped, two ends of the first frame strip (101) are respectively connected with the second frame strip (102), and two ends of the second frame strip (102) are respectively connected with the first frame strip (101).
8. A vertebral body puncture positioning guide as recited in claim 7, wherein: a spine alignment frame (103) is arranged between the two first frame strips (101), an alignment opening (104) is formed in the middle of the spine alignment frame (103), and the alignment opening (104) is positioned on the central axis of the first frame strips (101).
9. A vertebral body puncture positioning guide as set forth in claim 1, wherein: the positioning end (2) comprises a cylinder (201), and a positioning hole (202) is formed in the center of the cylinder (201) and used for enabling the cylinder (201) to be aligned with the center of a disease vertebral point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321064394.8U CN219921172U (en) | 2023-05-06 | 2023-05-06 | Centrum puncture positioning guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321064394.8U CN219921172U (en) | 2023-05-06 | 2023-05-06 | Centrum puncture positioning guide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219921172U true CN219921172U (en) | 2023-10-31 |
Family
ID=88494984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321064394.8U Active CN219921172U (en) | 2023-05-06 | 2023-05-06 | Centrum puncture positioning guide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219921172U (en) |
-
2023
- 2023-05-06 CN CN202321064394.8U patent/CN219921172U/en active Active
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