CN212369060U - Lumbar vertebra pedicle of vertebral arch percutaneous aspiration assistance-localization real-time ware - Google Patents

Abstract

The utility model discloses a lumbar vertebral pedicle percutaneous puncture auxiliary positioner, which comprises a side plate, a protracting plate, a square sleeve and a guide cylinder, the square sleeve is embedded with a marking sight, two ends of the square sleeve are provided with holding grooves, and the containing groove is internally provided with a side plate in a sliding way, the two ends of the square sleeve are positioned above the side plate and are stuck with cushion blocks, the side plate is provided with a groove, one side of the side plate, which is positioned on the groove, is welded with a angle measuring plate, the angle measuring plate is rotatably provided with a guide cylinder, a limiting plate is welded on the surface of one side of the guide cylinder, a limiting rod is arranged at the position of the inner side surface of the limiting plate, which corresponds to the limiting groove, the limiting plate rotates in a limiting way on the angle measuring plate through the limiting rod and the limiting groove, a limiting shaft is fixed on the limiting plate, the guide cylinder is rotatably connected with the angle measuring plate through a limiting shaft on the limiting plate, and a limiting groove is formed in the angle measuring plate in a penetrating mode. The utility model discloses possess simple structure, convenient to use's advantage.

Description

Lumbar vertebra pedicle of vertebral arch percutaneous aspiration assistance-localization real-time ware

Technical Field

The utility model relates to the technical field of medical equipment, specifically a lumbar vertebrae pedicle of vertebral arch percutaneous aspiration assistance-localization real-time ware.

Background

At present, in spinal surgery, lumbar vertebral pedicle percutaneous puncture is widely applied to lumbar vertebral pedicle screw percutaneous implantation and lumbar vertebroplasty, the current percutaneous puncture vertebral pedicle is realized mainly by marking on the body surface according to CT measurement data before the operation and perspective before the operation, then a puncture needle feeding point is formed by 1-2cm beside the projection of the vertebral pedicle on the body surface, and an operator judges the puncture condition according to operation experience and hand feeling. However, because the pedicle of vertebral arch has a small needle insertion range, adjacent organs such as nerve roots, spinal cords and great vessels are important organs, and if the puncture is wrong, serious operation complications and even life hazards can be caused, the puncture position needs to be judged through repeated fluoroscopy to ensure that the puncture position is free from errors. Some current instruments can assist in judging the puncture angle, and if the body surface marks are fuzzy or the skin moves, the needle insertion positioning cannot be carried out, so that the application is limited. At present, an O arm and a surgical robot can be used for puncture navigation, but instruments are expensive, each instrument needs 500 ten thousand yuan or even higher, and the popularization and the application of the instrument are limited.

Through a large number of searches, the following results are found: chinese utility model patent column: three-dimensional director of thoracolumbar vertebrae pedicle of vertebral arch percutaneous aspiration, application number CN201620481737.4, publication number CN205831885U, wherein described: the utility model comprises a reticular locating frame, an I-shaped locating rod and a certain number of locating discs arranged on the top edge of the I-shaped locating rod, wherein puncture needles are wound and fixed on the locating discs; a moving pair and/or a rotating pair are arranged between the bottom edge of the I-shaped positioning rod and the reticular positioning frame. The beneficial effects of the utility model reside in that: can carry out accurate location and direction to the puncture in the art, improve the rate of accuracy of chest lumbar vertebrae percutaneous pedicle of vertebral arch puncture, increase the operation security, operation in-process stable state, the operation of being convenient for, whole apparatus is little to the visual hindrance of operation, nevertheless because its volume is great, the operation of being inconvenient for when in actual use to influence its result of use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lumbar vertebrae pedicle of vertebral arch percutaneous aspiration assistance-localization real-time ware possesses simple structure, and convenient to use's advantage has solved current pedicle of vertebral arch percutaneous aspiration assistance-localization real-time ware because its volume is great, the operation of being not convenient for when in-service use to influence the problem of its result of use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lumbar vertebrae pedicle of vertebral arch percutaneous aspiration assistance-localization real-time ware, includes curb plate, graduated flask, square sleeve and guide cylinder, it has the mark sight to inlay on the square sleeve, the holding tank has been seted up at square sleeve's both ends, and slidable mounting has the curb plate in the holding tank, set up flutedly on the curb plate, the curb plate is located one side welding of recess and has the graduated flask, rotate on the graduated flask and install the guide cylinder, one side skin weld of guide cylinder has the limiting plate, be fixed with the spacing axle on the limiting plate, the guide cylinder passes through the spacing axle on the limiting plate and is connected with the rotation of graduated flask, run through on the graduated flask and seted.

Preferably, a limiting rod is arranged at the position, corresponding to the limiting groove, of the inner side surface of the limiting plate, and the limiting plate rotates in a limiting mode on the angle plate through the limiting rod and the limiting groove.

Preferably, the angle measuring plate is provided with angle scale marks, the limiting plate is provided with a positioning hole in a penetrating manner, and the position of the positioning hole corresponds to the position of the angle scale marks.

Preferably, the guide cylinder is provided with a limiting hole, a limiting plug is inserted in the limiting hole, the diameter of the limiting plug is matched with the inner diameter of the limiting hole, and the limiting plug is provided with an insertion hole matched with the puncture needle in size in a penetrating manner.

Preferably, the two sides of the square sleeve are provided with sliding grooves in a penetrating mode, the two sides of the side plate are provided with bolts, and the side plate is clamped and fixed on the square sleeve through the bolts and the sliding grooves.

Preferably, the two ends of the square sleeve are positioned above the side plates and are adhered with cushion blocks.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up square sleeve, be equipped with the mark sight on the sleeve for the nodical of alignment back median line and required puncture centrum segment both sides pedicle of vertebral arch body surface projection line, fix a position the puncture position, through setting up the scute, be fixed with the guide cylinder on the scute, and the guide cylinder can rotate on the scute, and turned angle is ninety degrees, is used for carrying out pedicle of vertebral arch percutaneous puncture to the puncture needle.

Drawings

Fig. 1 is a schematic top view of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is a rear view of the angle measuring plate of the present invention.

In the figure: 1. a side plate; 2. cushion blocks; 3. a bolt; 4. marking a sight bead; 5. a limiting plate; 6. a angle measuring plate; 7. a limiting hole; 8. a chute; 9. a square sleeve; 10. a guide cylinder; 11. a groove; 12. positioning holes; 13. a limiting plug; 14. angle scale lines; 15. a limiting groove; 16. and a limiting shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a lumbar vertebra pedicle of vertebral arch percutaneous puncture auxiliary locator comprises a side plate 1, a measuring angle plate 6, a square sleeve 9 and a guide cylinder 10, wherein a marking sight bead 4 is inlaid on the square sleeve 9, accommodating grooves are formed in two ends of the square sleeve 9, the side plate 1 is slidably mounted in the accommodating grooves, the side plate 1 can be clamped and fixed through a bolt 3 after being stretched, cushion blocks 2 are pasted on two ends of the square sleeve 9, which are positioned above the side plate 1, sliding grooves 8 are formed in two sides of the square sleeve 9 in a penetrating manner, bolts 3 are arranged on two sides of the side plate 1, the side plate 1 is clamped and fixed on the square sleeve 9 through the bolts 3 and the sliding grooves 8, a groove 11 is formed in the side plate 1, the guide cylinder 10 is convenient to rotate, the measuring angle plate 6 is welded on one side of the groove 11 of the side plate 1, an angle scale line 14 is arranged on the measuring angle plate 6, the, and the rotation angle is ninety degrees, and the puncture needle is used for performing pedicle percutaneous puncture on the puncture needle.

The limiting plate 5 is provided with a positioning hole 12 in a penetrating way, the position of the positioning hole 12 corresponds to the position of an angle scale line 14, the angle plate 6 is rotatably provided with a guide cylinder 10, the sleeve is provided with a marking sight bead 4 for aligning the intersection point of a dorsal midline and the projection connecting line of the vertebral pedicle body surfaces at two sides of a centrum segment required to be punctured and positioning the puncturing position, the guide cylinder 10 is provided with a limiting hole 7, a limiting plug 13 is inserted in the limiting hole 7, the diameter of the limiting plug 13 is matched with the inner diameter of the limiting hole 7, the limiting plug 13 is provided with an inserting hole matched with the size of the puncturing needle in a penetrating way, one side surface of the guide cylinder 10 is welded with a limiting plate 5, the inner side surface of the limiting plate 5 is provided with a limiting rod corresponding to the limiting groove 15, the limiting plate 5 rotates on the angle plate 6 in a limiting way through the limiting rod and the limiting groove 15, a limiting shaft 16 is fixed on the limiting plate 5, the angle plate 6 is provided with a limit groove 15 in a penetrating way.

The working principle is as follows: the operating doctor calls up the CT cross-sectional image (shot under the standard prone position) of the lumbar vertebra segment to be operated of the patient before operation, and measures the included angles alpha 1 and alpha 2 between the puncture paths on the two sides and the coronal plane and the distances L1 and L2 between the percutaneous puncture points on the two sides and the dorsal midline. During operation, C-arm irradiation before operation is carried out after anesthesia of a patient in a standard prone position of an operation bed, the relative body surface position of an operation section is determined, a marking pen and iodine tincture are marked, and a piece of drape is disinfected; placing the auxiliary positioner sterilized at high temperature and high pressure at the marked body surface, aligning the central point of the positioner to the midline of the back, pulling out the side arms at two sides according to scales to distances L1 and L2 measured before the operation, and then fixing; then adjusting the guide cylinders on the two sides to the measured angles alpha 1 and alpha 2; the bone puncture needle is guided by the guide cylinder to directly puncture into the vertebral pedicle through skin.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a lumbar vertebrae pedicle of vertebral arch percutaneous aspiration assistance-localization real-time ware, includes curb plate (1), angulation board (6), square sleeve (9) and guide cylinder (10), its characterized in that: inlay on square sleeve (9) and have mark sight (4), the holding tank has been seted up at the both ends of square sleeve (9), and slidable mounting has curb plate (1) in the holding tank, seted up on curb plate (1) recess (11), one side welding that curb plate (1) is located recess (11) has graduated flask (6), it installs guide cylinder (10) to rotate on graduated flask (6), one side skin weld of guide cylinder (10) has limiting plate (5), be fixed with spacing axle (16) on limiting plate (5), guide cylinder (10) are connected with graduated flask (6) rotation through spacing axle (16) on limiting plate (5), spacing groove (15) have been seted up in running through on graduated flask (6).

2. The lumbar pedicle percutaneous puncture assisting positioner as claimed in claim 1, wherein: the limiting plate is characterized in that a limiting rod is arranged at the position, corresponding to the limiting groove (15), of the inner side surface of the limiting plate (5), and the limiting plate (5) rotates in a limiting mode on the angle measuring plate (6) through the limiting rod and the limiting groove (15).

3. The lumbar pedicle percutaneous puncture assisting positioner as claimed in claim 1, wherein: the angle measuring plate is characterized in that angle scale marks (14) are arranged on the angle measuring plate (6), the limiting plate (5) is provided with a positioning hole (12) in a penetrating mode, and the position of the positioning hole (12) corresponds to the position of the angle scale marks (14).

4. The lumbar pedicle percutaneous puncture assisting positioner as claimed in claim 1, wherein: the guide cylinder (10) is provided with a limiting hole (7), a limiting plug (13) is inserted in the limiting hole (7), the diameter of the limiting plug (13) is matched with the inner diameter of the limiting hole (7), and the limiting plug (13) is provided with an insertion hole matched with the puncture needle in size in a penetrating mode.

5. The lumbar pedicle percutaneous puncture assisting positioner as claimed in claim 1, wherein: the two sides of the square sleeve (9) are penetrated through and provided with sliding grooves (8), the two sides of the side plate (1) are provided with bolts (3), and the side plate (1) is clamped and fixed on the square sleeve (9) through the bolts (3) and the sliding grooves (8).

6. The lumbar pedicle percutaneous puncture assisting positioner as claimed in claim 1, wherein: cushion blocks (2) are adhered to the two ends of the square sleeve (9) above the side plates (1).

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