CN219846737U - Spinal plate capable of being combined with rod - Google Patents

Abstract

The utility model relates to a spine plate capable of being combined with a rod, which comprises a spine plate, wherein the spine plate consists of a connecting part and a plurality of fixing parts, a plurality of vertically penetrating adjusting holes are formed in the fixing parts, fixing screw sleeves are vertically hinged in the adjusting holes, pedicle screws are connected in the fixing screw sleeves in a threaded manner, hinge shafts are arranged on the front side and the rear side of the fixing screw sleeves, and fixing screws for abutting against the hinge shafts are arranged on the outer sides of the fixing parts. This can with excellent combination formula backbone board, fixed swivel nut can use the articulated shaft to adjust as circularly in the inside of regulation hole, after angle modulation is accomplished, the accessible screws of screwing up to make its conflict articulated shaft, avoid the articulated shaft to rotate, reach the purpose that locks fixed swivel nut and pedicle of vertebral arch nail, the user can also rotate fixed part according to required application range, until reaching required angle, then come the locking and the regulation of control fixed part through locking screw's elasticity, be used for improving the accommodation range of equipment.

Description

Spinal plate capable of being combined with rod

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a spine board capable of being combined with a rod.

Background

Most of the spine posterior internal fixation systems sold in the market are nail-bar system products with pedicle screws and connecting bars matched, and when the products are used for spine posterior internal fixation surgery, if the pedicles of adjacent spine segments are not in the same sagittal plane, the nail-bar fixation difficulty is increased, and the surgery risk is increased.

The spine plate combined with the rod, which is proposed in the chinese patent CN201711146465.8, can enable pedicle screws and the spine plate to form a certain angle, and can fix multiple sections of spines through the lock nuts, so that the spine plate can be applied to more complex situations, but the adjustable range of the angle of the adjustment of the spine plate is smaller when the spine plate is used, the spine plate is limited in use, and there is room for improvement, so that the spine plate combined with the rod is proposed to solve the problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a spine board capable of being combined with a rod, so as to solve the problems of smaller adjustable range of an adjusting angle and limited use in the prior art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a can combine formula spinal plate with stick, includes the spinal plate, the spinal plate comprises connecting portion and a plurality of fixed part, a plurality of vertical regulation hole that runs through has been seted up on the fixed part, the inside vertical articulated of regulation hole has fixed swivel nut, the inside threaded connection of fixed swivel nut has pedicle of vertebral arch nail, fixed swivel nut front and back side is provided with the articulated shaft, the fixed part outside is provided with the set screw that is used for contradicting the articulated shaft.

Preferably, the upper side and the lower side of the section of the adjusting hole are tapered to adapt to the swing amplitude of the fixed screw sleeve during adjustment.

Preferably, the fixing screw sleeve is connected with the pedicle screw in a threaded manner, and the top end part of the pedicle screw is provided with a fixing thread.

Preferably, the end of the fixing screw is provided with a hexagonal nut.

Preferably, a plurality of the fixation portions are hinged to the spinal plate.

Preferably, one side of the fixing part, which is close to the spinal plate, is provided with a rotating disc extending to the inside of the fixing part, and the spinal plate is connected with a locking screw in a threaded manner, wherein the locking screw is used for abutting against and locking the rotating disc.

Preferably, the side of the spinal plate, which is far away from the fixing part, is provided with a U-shaped groove, and the top of the spinal plate is provided with a threaded hole extending into the U-shaped groove.

(III) beneficial effects

Compared with the prior art, the utility model provides the spine plate capable of being combined with the rod, which has the following beneficial effects:

this can with excellent combination formula backbone board, fixed swivel nut can use the articulated shaft to adjust as circularly in the inside of regulation hole, after angle modulation is accomplished, the accessible screws of screwing up to make its conflict articulated shaft, avoid the articulated shaft to rotate, reach the purpose that locks fixed swivel nut and pedicle of vertebral arch nail, the user can also rotate fixed part according to required application range, until reaching required angle, then come the locking and the regulation of control fixed part through locking screw's elasticity, be used for improving the accommodation range of equipment.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structural adjustment of the present utility model;

FIG. 3 is a top view of the structure of the present utility model;

fig. 4 is a schematic structural diagram of an embodiment of the present utility model.

In the figure: 1. a spinal plate; 2. a fixing part; 3. an adjustment aperture; 4. fixing the screw sleeve; 5. pedicle screws; 6. a hinge shaft; 7. a rotating disc; 8. a locking screw; 9. and (5) fixing the screw.

Detailed Description

The following description of the preferred embodiments of the present utility model is provided in connection with the accompanying drawings, and it is to be understood that the utility model is not limited thereto.

The drawings are simplified schematic views, and only the basic structure of the present utility model is schematically described, so that only the constitution related to the present utility model is shown.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner" and "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first", "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the technical features indicated, whereby the features defining "first", "second" may explicitly or implicitly include one or more of such features, and in the description of the present utility model, unless otherwise indicated, "a plurality" means two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and for example, may be fixedly connected, may be detachably connected, or integrally connected, may be mechanically connected, may be electrically connected, may be directly connected, may be indirectly connected through an intermediate medium, and may be in communication with the inside of two elements, and the specific meaning of the terms in the present utility model may be understood as specific to one of ordinary skill in the art.

Referring to fig. 1-4, in an embodiment of the present utility model, a rod-combinable spinal plate includes a spinal plate 1, the spinal plate 1 is composed of a connection portion and a plurality of fixing portions 2, a plurality of vertically penetrating adjusting holes 3 are formed in the fixing portions 2, fixing screw sleeves 4 are vertically hinged in the adjusting holes 3, pedicle screws 5 are connected in the fixing screw sleeves 4 in a threaded manner, hinge shafts 6 are arranged on front and rear sides of the fixing screw sleeves 4, and fixing screws 9 for abutting against the hinge shafts 6 are arranged on outer sides of the fixing portions 2.

In order to improve the adjusting range of the device, the upper side and the lower side of the section of the adjusting hole 3 are tapered to adapt to the swing amplitude of the fixed screw sleeve 4 during adjustment, the fixed screw sleeve 4 can be adjusted by taking the hinge shaft 6 as a circle in the adjusting hole 3, and the adjusting angle is between zero degrees and sixty degrees.

In addition, the fixed screw sleeve 4 is in threaded connection with the pedicle screw 5, the top end part of the pedicle screw 5 is provided with a fixed thread, and through the cooperation between the components, the pedicle screw 5 can be ensured to be inserted for fixation after the angle adjustment is completed, or after the pedicle screw 5 is fixed, the fixed part 2 is adjusted to be consistent with the angle of the pedicle screw 5, and then a fixed nut is sleeved at the fixed thread end of the fixed screw for fixation.

In this embodiment, in order to fix and limit the fixed screw sleeve 4, guarantee that it can carry out nimble regulation after, lock it, set up set screw 9, and set screw 9's tip is provided with hexagonal nut, after angle adjustment is accomplished, accessible screw down set screw 9 to make it conflict articulated shaft 6, avoid articulated shaft 6 to rotate, reach the purpose that locks fixed screw sleeve 4 and pedicle screw 5.

In another embodiment of the present utility model, in the above-mentioned scheme, the swing range of the fixing screw sleeve 4 is limited to the X-axis surface, in order to provide another swing Y-axis surface, as shown in fig. 4, a plurality of fixing portions 2 are hinged with the spinal plate 1, one side of the fixing portion 2 near the spinal plate 1 is provided with a rotating disc 7 extending into the interior thereof, and the spinal plate 1 is in threaded connection with a locking screw 8 for abutting against the locking rotating disc 7.

Through the above arrangement, the user can also rotate the fixing part 2 according to the required use range until reaching the required angle, and then control the locking and adjustment of the fixing part 2 through the tightness of the locking screw 8, so as to improve the adjustment range of the device.

To sum up, this can with excellent combination formula spinal plate, fixed swivel nut 4 can use articulated shaft 6 to adjust as the circular in the inside of regulation hole 3, after angle modulation is accomplished, accessible screw down set screw 9 to make it conflict articulated shaft 6, avoid articulated shaft 6 to rotate, reach the purpose that locks fixed swivel nut 4 and pedicle screw 5, the user can also rotate fixed part 2 according to required application range, until reaching required angle, then control the locking and the regulation of fixed part 2 through the elasticity of locking screw 8, be used for improving the accommodation range of equipment.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A spinal plate capable of being combined with a rod, comprising a spinal plate (1), wherein the spinal plate (1) consists of a connecting part and a plurality of fixing parts (2), and is characterized in that: the utility model provides a plurality of offer on fixed part (2) vertical regulation hole (3) that run through, the inside vertical articulated of regulation hole (3) has fixed swivel nut (4), the upside is the toper and is used for the swing amplitude when adaptation fixed swivel nut (4) are adjusted about the cross-section of regulation hole (3), the inside threaded connection of fixed swivel nut (4) has pedicle of vertebral arch nail (5), fixed swivel nut (4) front and back side is provided with articulated shaft (6), the fixed part (2) outside is provided with set screw (9) that are used for contradicting articulated shaft (6).

2. A rod-engageable spinal plate as recited in claim 1, wherein: the fixing screw sleeve (4) is in threaded connection with the pedicle screw (5), and a fixing thread is arranged at the top end part of the pedicle screw (5).

3. A rod-engageable spinal plate as recited in claim 1, wherein: the end part of the fixing screw (9) is provided with a hexagonal nut.

4. A rod-engageable spinal plate as recited in claim 1, wherein: a plurality of the fixing parts (2) are hinged with the spinal plate (1).

5. A rod-engageable spinal plate as recited in claim 4, wherein: one side of the fixing part (2) close to the spinal plate (1) is provided with a rotating disc (7) extending to the inside of the fixing part, and the spinal plate (1) is connected with a locking screw (8) for abutting against the locking rotating disc (7) in a threaded manner.

6. A rod-engageable spinal plate as recited in any one of claims 1-5, wherein: the utility model discloses a spinal plate, including fixed portion (2) and spinal plate (1), the U type groove has been seted up to one side that fixed portion (2) was kept away from to spinal plate (1), spinal plate (1) top is provided with the screw hole that extends to the inside of U type groove.