阅读说明：本技术 一种治疗儿童早发型脊柱侧凸体内自动生长棒 (Internal automatic growth rod for treating early-onset scoliosis of children ) 是由 王梓慕 武贵斌 刘晴晴 赵晴 于 2020-05-27 设计创作，主要内容包括：本发明创造提供了一种治疗儿童早发型脊柱侧凸体内自动生长棒,包括第一生长棒和第二生长棒以及用于连接二者的连接装置；所述连接装置内还设有用于驱动第一生长棒和第二生长棒延其轴线方向移动的驱动组件；所述第一生长棒与第二生长棒的移动方向相反。本发明创造所述的治疗儿童早发型脊柱侧凸体内自动生长棒解决了患者需要接受多次撑开手术的难题,只需一次手术植入,康复后取出即可,而且降低了高频率手术给患者带来的生理上的痛苦与经济上的负担。(The invention provides an automatic growth rod in a scoliosis body for treating early-onset children, which comprises a first growth rod, a second growth rod and a connecting device for connecting the first growth rod and the second growth rod; the connecting device is also internally provided with a driving component for driving the first growing rod and the second growing rod to move along the axial direction of the first growing rod and the second growing rod; the moving direction of the first growing rod is opposite to that of the second growing rod. The automatic in-vivo growth rod for treating the early-onset scoliosis of the children solves the problem that a patient needs to be subjected to multiple distraction operations, only needs one-time operation implantation and is taken out after recovery, and the physiological pain and the economic burden of the patient caused by high-frequency operation are reduced.)

1. An automatic growth rod in treating early-onset scoliosis of children is characterized in that: comprises a first growing rod and a second growing rod and a connecting device for connecting the two growing rods;

the connecting device is also internally provided with a driving component for driving the first growing rod and the second growing rod to move along the axial direction of the first growing rod and the second growing rod;

the moving direction of the first growing rod is opposite to that of the second growing rod.

2. The autograft bar in the treatment of early-onset scoliosis in a child of claim 1, wherein: the connecting device comprises a connecting block, a first domino and a second domino, the driving assembly is installed in the connecting block, two lead screws are arranged on the connecting block and comprise a first lead screw and a second lead screw, the first lead screw and the second lead screw are arranged on the opposite sides of the connecting block, and the driving assembly is used for driving the two lead screws to rotate;

the first domino is provided with a threaded hole corresponding to the first lead screw, the first growing rod is fixedly arranged on the first domino, the connecting block is also provided with a through hole corresponding to the first growing rod, and the first growing rod is arranged in the through hole;

the second domino is provided with a threaded hole corresponding to the second lead screw, the second growth rod is fixedly mounted on the second domino, the connecting block is further provided with a through hole corresponding to the second growth rod, and the second growth rod is arranged in the through hole.

3. The autograft bar in the treatment of early-onset scoliosis in a child of claim 2, wherein: the driving assembly comprises a driving motor, a driving module and a power supply module for supplying power, the driving motor is connected with the driving module, a pressure sensor for monitoring the pressure change of the growing rod is arranged in the driving motor, and the pressure sensor is connected with the driving module.

4. The autograft rod for treating childhood early onset scoliosis according to claim 3, wherein: the number of the driving motors is two, and each driving motor drives one lead screw to rotate.

5. The autograft rod for treating childhood early onset scoliosis according to claim 3, wherein: the number of the driving motors is one; the first lead screw and the second lead screw are integrally formed; the thread directions of the first lead screw and the second lead screw are opposite, and the driving motor is used for driving the lead screws to rotate.

6. The autograft bar in the treatment of early-onset scoliosis in a child of claim 2, wherein: the first growing rod penetrates through the first domino through a through hole preset in the first domino, a threaded hole is formed in the side face of the first domino and communicated with the through hole, and the first domino is fixedly connected with the first growing rod through a fastening bolt;

the second growth rod penetrates through the second domino through a through hole preset in the second domino, a threaded hole is formed in the side face of the second domino and communicated with the through hole, and the second domino is fixedly connected with the second growth rod through a fastening bolt.

7. The autogiration bar in the treatment of early-onset scoliosis in children of claim 2 or 6, wherein: the first domino is also provided with a through hole for guiding the second growth rod;

the second domino is also provided with a through hole for guiding the first growing rod.

8. The autograft bar in the treatment of early-onset scoliosis in a child of claim 1, wherein: and limiting parts for limiting the maximum displacement of the domino are arranged on the first lead screw and the second lead screw.

9. The autograft bar in the treatment of early-onset scoliosis in a child of claim 8, wherein: the limiting part is a jackscrew fixed at the end part of the screw rod through threads or a top cap fixedly installed at the end part of the screw rod.

Technical Field

The invention belongs to the technical field of medical equipment, and particularly relates to an automatic in-vivo growth rod for treating early-onset scoliosis of children.

Background

Early Onset Scoliosis (EOS) refers to the various types of scoliosis that occur before the age of 10 years, and features of this type of scoliosis include: early onset, rapid progression, severe cardiopulmonary involvement, and the like. It is shown by the study that the pulmonary alveoli and thoracic cage of children can reach 50% of adult level before 8 years old, and the scoliosis is accelerated due to the coming of the second peak period of spinal growth after 10 years old, so EOS patients who need surgery treatment are recommended to receive the first implantation of the growth rod before 10 years old, and then perform the distraction of the growth rod every 6-12 months until the Risser sign of the patient is greater than II grade or the female fuses with the spinal after the first menstruation.

There are a series of complications with conventional growing rods after implantation: the method comprises the following steps of nail breaking, rod breaking, pedicle cutting, spontaneous spinal fusion, skin abrasion and even protrusion of a stump and the like, and one problem which cannot be avoided by the traditional growing rod implantation is that the satisfactory treatment effect can be achieved only by multiple times of distraction after the implantation.

Disclosure of Invention

In view of the above, the present invention aims to provide an automatic growing rod for treating children's early onset scoliosis, so as to overcome the defects of the conventional growing rod.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

an automatic growing rod in a body for treating early-onset scoliosis of children comprises a first growing rod, a second growing rod and a connecting device for connecting the first growing rod and the second growing rod;

the connecting device is also internally provided with a driving component for driving the first growing rod and the second growing rod to move along the axial direction of the first growing rod and the second growing rod;

the moving direction of the first growing rod is opposite to that of the second growing rod.

Furthermore, the connecting device comprises a connecting block, a first domino and a second domino, the driving assembly is installed in the connecting block, two lead screws are arranged on the connecting block and comprise a first lead screw and a second lead screw, the first lead screw and the second lead screw are arranged on the opposite sides of the connecting block, and the driving assembly is used for driving the two lead screws to rotate;

the first domino is provided with a threaded hole corresponding to the first lead screw, the first growing rod is fixedly arranged on the first domino, the connecting block is also provided with a through hole corresponding to the first growing rod, and the first growing rod is arranged in the through hole;

the second domino is provided with a threaded hole corresponding to the second lead screw, the second growth rod is fixedly mounted on the second domino, the connecting block is further provided with a through hole corresponding to the second growth rod, and the second growth rod is arranged in the through hole.

Furthermore, the driving assembly comprises a driving motor, a driving module and a power supply module for supplying power, the driving motor is connected with the driving module, a pressure sensor for monitoring the pressure change of the growing rod is arranged in the driving motor, and the pressure sensor is connected with the driving module.

Furthermore, the number of the driving motors is two, and each driving motor drives one lead screw to rotate.

Further, the number of the driving motors is one; the first lead screw and the second lead screw are integrally formed; the thread directions of the first lead screw and the second lead screw are opposite, and the driving motor is used for driving the lead screws to rotate.

Furthermore, the first growing rod penetrates through the first domino through a through hole preset in the first domino, a threaded hole is formed in the side face of the first domino and communicated with the through hole, and the first domino is fixedly connected with the first growing rod through a fastening bolt;

the second growth rod penetrates through the second domino through a through hole preset in the second domino, a threaded hole is formed in the side face of the second domino and communicated with the through hole, and the second domino is fixedly connected with the second growth rod through a fastening bolt.

Furthermore, a through hole for guiding the second growth rod is formed in the first domino;

the second domino is also provided with a through hole for guiding the first growing rod.

Furthermore, the first lead screw and the second lead screw are both provided with limiting parts for limiting the maximum displacement of the domino.

Furthermore, the limiting part is a jackscrew fixed at the end part of the screw rod through threads or a top cap fixedly installed at the end part of the screw rod.

Compared with the prior art, the automatic in-vivo growth rod for treating the early-onset scoliosis of the children, which is created by the invention, has the following advantages:

the automatic in-vivo growth rod for treating the early-onset scoliosis of the children solves the problem that a patient needs to be subjected to multiple distraction operations, only needs one-time operation implantation and is taken out after recovery, and the physiological pain and the economic burden of the patient caused by high-frequency operation are reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:

FIG. 1 is a general structural view of an automatic growth rod for treating children's early onset scoliosis according to an embodiment of the present invention;

fig. 2 is a partial structure view of an automatic growth rod for treating children's early onset scoliosis according to an embodiment of the present invention.

Description of reference numerals:

1. a first growing rod; 2. a connecting device; 21. connecting blocks; 22. a first domino; 23. a second domino; 24. fastening a bolt; 25. a first lead screw; 26. a second lead screw; 27. a limiting member; 3. a second growing rod.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable 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 creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.

As shown in fig. 1 and 2, an automatic growing rod in a scoliosis body for treating early onset of children comprises a first growing rod 1 and a second growing rod 3 and a connecting device 2 for connecting the two;

the connecting device 2 is also internally provided with a driving component for driving the first growing rod 1 and the second growing rod 3 to move along the axial direction;

the moving directions of the first growing rod 1 and the second growing rod 3 are opposite.

The connecting device 2 comprises a connecting block 21, a first domino 22 and a second domino 23, the driving assembly is installed in the connecting block 21, two lead screws are arranged on the connecting block 21 and comprise a first lead screw 25 and a second lead screw 26, the first lead screw 25 and the second lead screw 26 are arranged on opposite sides of the connecting block 21, and the driving assembly is used for driving the two lead screws to rotate;

the first domino 22 is provided with a threaded hole corresponding to the first lead screw 25, the first growing rod 1 is fixedly arranged on the first domino 22, the connecting block 21 is also provided with a through hole corresponding to the first growing rod 1, and the first growing rod 1 is arranged in the through hole;

the second domino 23 is provided with a threaded hole corresponding to the second lead screw 26, the second growth rod 3 is fixedly mounted on the second domino 23, the connecting block 21 is further provided with a through hole corresponding to the second growth rod 3, and the second growth rod 3 is arranged in the through hole.

The driving assembly comprises a driving motor, a driving module and a power supply module for supplying power, the power supply module adopts a wireless mode for charging, the driving motor is connected with the driving module, a pressure sensor for monitoring the pressure change of the growing rod is arranged in the driving motor, and the pressure sensor is connected with the driving module. Pressure sensor realizes the monitoring to the growth stick pressure through the strength transmission of growth stick, motor output shaft, and drive module realizes drive motor's control through the judgement to pressure signal, finally judges whether need grow (extend) to the extension opportunity is not right in having avoided the manual operation, and the extension degree is not good enough or not enough problem, and is better, timely carries out timely treatment scheme to the patient. Preferably, the screw rod is a screw rod with a self-locking function, so that the growth rod is prevented from retracting after being unfolded

The matching of the driving motor and the lead screw can be realized by adopting the following multiple embodiments;