CN212996668U - Lumbar vertebrae intervertebral foramen mirror body surface positioner - Google Patents
Lumbar vertebrae intervertebral foramen mirror body surface positioner Download PDFInfo
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- CN212996668U CN212996668U CN202020384830.XU CN202020384830U CN212996668U CN 212996668 U CN212996668 U CN 212996668U CN 202020384830 U CN202020384830 U CN 202020384830U CN 212996668 U CN212996668 U CN 212996668U
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Abstract
The utility model discloses a lumbar intervertebral foramen mirror body surface positioning device, which comprises a trunk, a connecting rod and a positioning rod. The main rod is provided with an upper sliding groove and a lower sliding groove, the upper sliding groove is connected with the connecting rod through a sliding block, and the lower sliding groove is connected with the positioning rod through a sliding block; the connecting rod is marked with scales of 0-20 cm and is provided with a concentric angle measuring device taking the positioning rod as a radius, and the connecting rod is of a hollow structure and can accommodate the swinging of the positioning rod; the locating lever comprises three parallel metal needles, through with the sliding block coupling, the sliding block is fixed in the mobile jib sliding tray simultaneously, realizes that the locating lever has the function of reciprocating and wobbling on the mobile jib. The device has the advantages of simple operation and accurate positioning, can greatly reduce the radiation exposure risk of operators and patients, optimize the operation process, shorten the operation time and effectively improve the operation safety.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, further belong to orthopedics apparatus technical field, concretely relates to lumbar vertebrae intervertebral foramen mirror body surface positioner.
Background
The percutaneous puncture intervertebral foramen under-mirror treatment of lumbar intervertebral disc protrusion is a relatively popular technology in recent years. The technology has the advantages of small wound, less bleeding, high safety, quick postoperative recovery and the like, and is more and more accepted by clinicians and patients. With the popularization and application of the technology, the technology is gradually developed from domestic top-grade three hospitals to district-grade two hospitals. Accurate puncture positioning is the first prerequisite for success of the transforaminal endoscopic surgery and is also the key point of the whole surgery. Aiming at the difficult problem of intervertebral foramen mirror puncture positioning, numerous scholars carry out technical attack, invent a target aiming sight, a novel three-dimensional puncture positioner, an intervertebral foramen mirror concentric circle puncture auxiliary positioning device and the like, and the scholars also use an ultrasonic navigation positioning technology, a 3D printing technology, an electromagnetic navigation technology and the like to improve the accuracy of puncture, reduce the operation risk and reduce the exposure risk of human body X-ray radiation to the maximum extent. However, these devices are complicated to operate, complicated in procedure, time-consuming in operation, and expensive. In order to solve the problems in clinical practice, the invention provides a body surface positioning device which is simple and convenient to operate, practical and easy to popularize.
Disclosure of Invention
To the difficult problem of puncture location during the operation of going up intervertebral foramen mirror in clinic, the utility model aims to provide a lumbar vertebrae intervertebral foramen mirror body surface positioner, reduction operation perspective number of times that can furthest improves operation accuracy, shortens the learning curve conscientiously, reduces medical personnel and patient X line radiation exposure risk.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a lumbar intervertebral foramen mirror body surface positioning device comprises a main rod, a connecting rod and a positioning rod. The main rod is provided with an upper sliding groove and a lower sliding groove, the upper sliding groove is connected with the connecting rod through a sliding block, and the lower sliding groove is connected with the positioning rod through a sliding block; the connecting rod is marked with scales of 0-20 cm and is provided with a concentric angle measuring device taking the positioning rod as a radius, and the connecting rod is of a hollow structure and can accommodate the swinging of the positioning rod; the locating lever comprises three parallel metal needles, through hollow structure and sliding block coupling, and the sliding block is fixed in the mobile jib sliding tray simultaneously, realizes that the locating lever has the function of reciprocating and wobbling on the mobile jib.
The mobile jib be hollow structure, be equipped with two upper and lower sliding tray, the upper end sliding tray passes through the sliding block and meets with the connecting rod, the lower extreme sliding tray passes through the sliding block and meets with the locating lever, the mobile jib uses 1cm to be spaced scale simultaneously, is carved with the sign of different shapes in each integer scale department, makes things convenient for the standard in the art to dissect the sign.
The connecting rod mark have 0 ~ 20cm scale to be equipped with and use the locating lever as the concentric circles angle measurement ware of radius, the connecting rod is hollow structure, holds the locating lever swing.
The locating lever constitute by three parallel metal needles, the perpendicular interval of three needles is 1cm, upper and lower section welding is a whole, through cavity and sliding block coupling, the sliding block is fixed in the mobile jib sliding tray simultaneously, realizes that the locating lever has the function of reciprocating and wobbling on the mobile jib.
In order to facilitate accurate positioning in operation, the expandable component is made of metal materials, and the X-ray fluoroscopy can be used for developing and facilitating positioning in operation.
The utility model discloses the device possesses easy operation, fixes a position the advantage of accuracy, only needs twice perspective in general art can clearly and definitely mark skin needle insertion point, and the operation person and patient's that can significantly reduce radioactive ray exposure risk optimizes the operation flow, shortens the operation time, can effectively improve the security of operation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
wherein, 1 mobile jib, 2 connecting rods, 3 locating levers, 4 upper end sliding tray, 5 lower extreme sliding trays, 6 sliding block A, 7 sliding block B, 8 angle measurement wares.
Detailed Description
The present invention is further described with reference to the accompanying drawings, but the invention is not limited in any way, and any changes or substitutions based on the description of the invention are within the protection scope of the invention.
The utility model provides a lumbar vertebrae intervertebral foramen mirror body surface positioner comprises mobile jib, connecting rod and locating lever, and this device possesses easy operation, and the advantage of location accuracy can the significantly reduced operator and patient's radioactive ray exposure risk, optimizes the operation flow, shortens the operation time, can effectively improve the security of operation.
A lumbar intervertebral foramen mirror body surface positioning device comprises a main rod 1, a connecting rod 2 and a positioning rod 3, wherein the main rod 1 is provided with an upper sliding groove and a lower sliding groove, the upper sliding groove 4 is connected with the connecting rod 2 in a sliding way through a sliding block A6, the lower sliding groove 5 is connected with the positioning rod 3 in a sliding way through a sliding block B7, the connecting rod 2 is marked with scales of 0-20 cm and is provided with a concentric circle angle measuring device 8 taking the positioning rod 3 as a radius, the connecting rod 2 is of a hollow structure and can be designed into a through groove structure, the positioning rod 3 passes through the connecting rod 2, and the function of swinging the positioning rod 3 in the connecting rod 2 can be realized; locating lever 3 comprises three parallel metal needles, and is equipped with gliding measuring block from top to bottom on three parallel metal needles, sliding block B7 is equipped with a lug, the one end of locating lever 3 be equipped with sliding block B7's protruding fast matched with hole, sliding block B7 be equipped with a lug and arrange the downthehole setting of locating lever 3 in, the connected mode of sliding block B7 and mobile jib 1 is the same with the connected mode of sliding block A6 and mobile jib 1 simultaneously, can realize that locating lever 3 has on mobile jib 1 and reciprocates and wobbling function.
The starting end of the concentric circle angle measuring device 8 is parallel to the connecting rod 2, and the terminal end of the concentric circle angle measuring device 8 is fixedly connected with the main rod 1.
The concentric angle measuring device 8 is of a fan-shaped structure and is marked with scales of 0-60 degrees.
The sliding block A6 and the sliding block B7 are respectively provided with a convex block which can slide in the upper end sliding groove 4 and the lower end sliding groove 5, and can also adopt the sliding structure of other prior art to realize the function that the connecting rod 2 moves up and down in the upper end sliding groove 4 of the main rod 1.
The first embodiment is as follows:
when a patient with lumbar intervertebral disc protrusion performs an intervertebral foramen mirror operation, taking an L4/5 as an example, the patient takes a prone position, marks out a middle line of an spinous process according to anatomical signs, and a target gap is horizontal, a main rod of the device is placed in the middle line in parallel, a rotating middle line of a positioning rod is placed at the middle point of the target gap, and first perspective is performed;
and adjusting the positions of the upper and lower sliders and the swing angle of the positioning rod to the target position according to the perspective result, performing second perspective to confirm the skin needle inserting point, and determining a needle inserting line according to the angle of the positioning rod.
When the device is used for intervertebral foramen endoscopic surgery, the positioning function of the skin puncture point can be completed only by two times of fluoroscopy, if the operation planning is performed before the surgery according to the CT or MRI image result, the side-to-side distance and the angle of the skin needle insertion point are obtained, the relevant parameters can be determined on the device, and the positioning of the needle insertion point can be completed by one time of direct fluoroscopy.
Claims (6)
1. The utility model provides a lumbar vertebrae intervertebral foramen mirror body surface positioner which characterized in that: including mobile jib (1), connecting rod (2) and locating lever (3), mobile jib (1) on be equipped with upper end sliding tray (4), lower extreme sliding tray (5), sliding block A (6) and sliding block B (7), upper end sliding tray (4) meet through sliding block A (6) and connecting rod (2), lower extreme sliding tray (5) meet through sliding block B (7) and locating lever (3) to be equipped with and use locating lever (3) as radial concentric circle angle measurement ware (8), connecting rod (2) be hollow structure, locating lever (3) locate in connecting rod (2) and pass connecting rod (2) and set up.
2. The lumbar transforaminal mirror body surface positioning device of claim 1, wherein: the starting end of the concentric fillet measuring device (8) is parallel to the connecting rod (2), and the terminal end of the concentric fillet measuring device (8) is fixedly connected with the main rod (1).
3. The lumbar transforaminal mirror body surface positioning device of claim 1, wherein: the surface of the main rod (1) is provided with scales with the interval of 1cm, and marks with different shapes are marked at the integral scales.
4. The lumbar transforaminal mirror body surface positioning device of claim 1, wherein: the connecting rod (2) is marked with scales of 0-20 cm.
5. The lumbar transforaminal mirror body surface positioning device of claim 1, wherein: the concentric fillet degree measuring device (8) is of a fan-shaped structure and is marked with scales of 0-60 degrees.
6. The lumbar transforaminal mirror body surface positioning device of claim 1, wherein: the positioning rod (3) is composed of three parallel metal needles, the vertical distance of the three needles is 1cm, the upper section and the lower section are welded into a whole, and the positioning rod (3) is coupled with the sliding block B (7) through a gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020384830.XU CN212996668U (en) | 2020-03-24 | 2020-03-24 | Lumbar vertebrae intervertebral foramen mirror body surface positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020384830.XU CN212996668U (en) | 2020-03-24 | 2020-03-24 | Lumbar vertebrae intervertebral foramen mirror body surface positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212996668U true CN212996668U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020384830.XU Active CN212996668U (en) | 2020-03-24 | 2020-03-24 | Lumbar vertebrae intervertebral foramen mirror body surface positioner |
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| Country | Link |
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| CN (1) | CN212996668U (en) |
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2020
- 2020-03-24 CN CN202020384830.XU patent/CN212996668U/en active Active
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