阅读说明：本技术 一种新型脊柱畸形矫正器 (Novel spinal deformity corrector ) 是由 王向阳 金海明 王犇 林甲亮 吴聪聪 邵振轩 胡孙理 于 2019-10-09 设计创作，主要内容包括：本发明公开了一种新型脊柱畸形矫正器,其技术方案要点是包括上支架杆和支架脚,上支架杆与支架脚之间一体成型,上支架杆呈两侧镜像设置,左右两侧上支架杆连接处设置有液压机构,液压机构用于控制支架杆张开及收拢,左右两侧支架脚之间设置有用于辅助支架脚张开及收拢的导向机构,支架脚处设置有横行连接部；液压机构包括液压缸、活塞以及驱动器,活塞设置于液压缸内,驱动器用于驱动活塞上升或下降,支架杆之间设置有覆压腔,支架杆插设于覆压腔内,液压缸与覆压腔之间采用软管连接,该矫正器采用液压方式控制支杆张开或合拢,从而精确控制支架杆精确位移。(The invention discloses a novel spinal deformity corrector, which is characterized by comprising an upper support rod and support legs, wherein the upper support rod and the support legs are integrally formed, the upper support rod is arranged in a mirror image mode at two sides, a hydraulic mechanism is arranged at the joint of the upper support rod at the left side and the upper support rod at the right side, the hydraulic mechanism is used for controlling the support rods to open and fold, a guide mechanism used for assisting the support legs to open and fold is arranged between the support legs at the left side and the right side, and transverse connecting parts are arranged at the support legs; the hydraulic mechanism comprises a hydraulic cylinder, a piston and a driver, the piston is arranged in the hydraulic cylinder, the driver is used for driving the piston to ascend or descend, a covering pressure cavity is formed between the support rods, the support rods are inserted into the covering pressure cavity, the hydraulic cylinder is connected with the covering pressure cavity through a hose, and the straightener controls the support rods to be opened or closed in a hydraulic mode, so that the support rods are accurately controlled to accurately displace.)

1. The utility model provides a novel spinal deformity unscrambler, includes cradling piece (1) and support foot (2), integrated into one piece between cradling piece (1) and support foot (2), cradling piece (1) is both sides mirror image setting, its characterized in that: the hydraulic mechanism (3) is arranged at the joint of the left and right side support rods (1), the hydraulic mechanism (3) is used for controlling the support rods (1) to open and close, a guide mechanism (7) used for assisting the support feet (2) to open and close is arranged between the left and right side support feet (2), and a transverse connecting part (21) is arranged at the support feet (2);

the hydraulic mechanism (3) comprises a hydraulic cylinder (31), pistons (32) and a driver (33), the pistons (32) are arranged in the hydraulic cylinder (31), the driver (33) is used for driving the pistons (32) to ascend or descend, a pressing cavity (34) is arranged between the support rods (1), the support rods (1) are inserted into the pressing cavity (34), the hydraulic cylinder (31) and the pressing cavity (34) are connected through a hose (35), a pushing piece (341) used for pushing the support rods (1) to move is arranged in the pressing cavity (34), the pushing piece (341) extends to the outside of the pressing cavity (34) and is fixedly connected with the support rods (1), and a sealing ring (342) is arranged between the pressing cavity (34) and the pushing piece (341).

2. The new spinal deformity correction device of claim 1, wherein: the piston (32) top still is provided with presses tamponade (4), it is provided with the external screw thread to press tamponade (4) outside, pneumatic cylinder (31) upper portion is provided with the internal thread, closely cooperate with pressing tamponade (4) outside pneumatic cylinder (31) inboard.

3. The new spinal deformity correction device of claim 2, wherein: the driver (33) comprises a micro motor (5), a rotating shaft of the micro motor (5) is fixedly connected with the pressing plug (4), and when the micro motor (5) rotates, the rotating rod drives the pressing plug (4) to move downwards.

4. The new spinal deformity correction device of claim 2, wherein: according to pressure stopper (4) top and be provided with manual steering column (6), manual steering column (6) and press and be provided with inserted bar (61) between stopper (4), inserted bar (61) one end is inserted and is pressed stopper (4) inside and press stopper (4) fixed connection, and the other end is T style of calligraphy structure setting with manual steering column (6), and when rotating manual steering column (6), piston (32) move down.

5. A novel spinal deformity orthosis according to claim 3 or 4, wherein: guiding mechanism (7) include arc track (71), be provided with rotating gear (72) in arc track (71), both ends are provided with fastener (8) about rotating gear (72), and the position of support foot (2) and rotating gear (72) contact of both sides is provided with rack (9) of mutually supporting with rotating gear (72) side, rack (9) set up on support foot (2), both ends still are provided with draw-in groove (81) that supply rotating gear (72) side card to go into about arc track (71), fastener (8) can cooperate with draw-in groove (81), and rotating gear (72) can be along the length direction reciprocating motion of draw-in groove (81).

Technical Field

The invention relates to a novel spinal deformity corrector.

Background

With the development of spinal surgery technology, the spine posterior osteotomy orthopedic operation is widely developed in clinic, can be used for correcting local severe kyphosis caused by related diseases such as ankylosing spondylitis, congenital vertebral body dysplasia, old fracture, spinal tuberculosis, vertebral body tumor and the like, and can also be used for finishing the treatment of severe scoliosis deformity. The primary goal of orthopedic treatment of osteotomy of spinal deformity is to maintain the balance of the spine in three-dimensional direction by reasonable osteotomy, correct deformity to obtain better fusion, prevent further progression of deformity, and improve the appearance and quality of life of patients. When the spine osteotomy is performed, an operator needs various different tools to complete various surgical operations, and in the operations, the accurate reduction of the osteotomy end is particularly important, which not only needs the clinical experience of the operator, but also needs the support of a precise reduction instrument; at present, publication No. CN0U provides a controllable repositor for correction of vertebral column deformity osteotomy, which is divided into a main trunk, an upper slide bar, a lower slide bar and a transverse connecting portion by a bracket, wherein the slide bar is provided with saw teeth, the slide bar is engaged with a gear through the saw teeth, when the controllable repositor is rotated by a turntable, the force of a straight gear acting on the slide bar is in a horizontal direction, thereby reducing downward pressure, the probability of compression on spinal cord and nerve root is small, and the probability of occurrence of surgical complications is reduced, but the patent has the following disadvantages:

1. because the hand wheel is adopted to rotate and the gear mechanism is driven by the rotating shaft, the gear drives the rack to move back and forth to facilitate the clamp to be folded and unfolded, the rotation of the hand wheel can be forcefully rotated by force in the direction of the body of a patient, so that certain pressure is exerted on the spine, and the surgical rehabilitation of the spine is not facilitated;

2. the transmission mechanism of the gear and the rack displaces by taking one tooth pitch as a unit, so the distance accuracy of the displacement of the bracket is limited by the tooth pitch, and the accurate control is not facilitated.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a novel spinal deformity corrector, which adopts a hydraulic mode to control a support rod to open or close so as to accurately control the accurate displacement of the support rod.

In order to achieve the purpose, the invention provides the following technical scheme: a novel spinal deformity corrector comprises a support rod and support legs, wherein the support rod and the support legs are integrally formed, the support rod is arranged in a two-side mirror image mode, a hydraulic mechanism is arranged at the joint of the support rod on the left side and the support rod on the right side and is used for controlling the support rod to open and close, a guide mechanism used for assisting the support legs to open and close is arranged between the support legs on the left side and the right side, and transverse connecting parts are arranged at the support legs;

the hydraulic mechanism comprises a hydraulic cylinder, a piston and a driver, the piston is arranged in the hydraulic cylinder, the driver is used for driving the piston to ascend or descend, a pressing cavity is arranged between the support rods, the support rods are inserted in the pressing cavity, the hydraulic cylinder is connected with the pressing cavity through a hose, a pushing piece used for pushing the support rods to move is arranged inside the pressing cavity, the pushing piece extends to the outside of the pressing cavity and is fixedly connected with the support rods, and a sealing ring is arranged between the pressing cavity and the pushing piece.

Further, the piston top still is provided with presses the stopper, it is provided with the external screw thread to press the stopper outside, pneumatic cylinder upper portion is provided with the internal thread, the pneumatic cylinder inboard with press the stopper outside and closely cooperate.

Furthermore, the driver comprises a micro motor, a rotating shaft of the micro motor is fixedly connected with the pressing plug, and when the micro motor rotates, the rotating rod drives the pressing plug to move downwards.

Furthermore, press the top and be provided with manual steering column, be provided with the inserted bar between manual steering column and the pressure stopper, inserted bar one end is inserted and is pressed the stopper inside and press stopper fixed connection, and the other end is T style of calligraphy structure setting with manual steering column, and when rotating manual steering column, the piston moves down.

Further, guiding mechanism includes the arc track, be provided with the rotating gear in the arc track, both ends are provided with the fastener about the rotating gear, and the position of the support foot of both sides and rotating gear contact is provided with the rack of mutually supporting with the rotating gear side, the rack sets up on the support foot, both ends still are provided with the draw-in groove that supplies the card of rotating gear side to go into about the arc track, the fastener can cooperate with the draw-in groove, and the rotating gear can be along the length direction reciprocating motion of draw-in groove.

The invention has the beneficial effects that:

1. through the setting of hydraulic pressure mechanism, can be effective and accurate control press the stopper distance that moves down.

2. According to the technical scheme, the piston is arranged below the pressing plug and used for pushing liquid to flow into the cylinder through the hose, and the threaded connection has the advantages that the downward movement distance of the piston can be accurately controlled.

3. The motor mode is controlled and is pressed the benefit that the stopper descends and lie in: one can liberate doctor's both hands, does not need the doctor to rotate manually, and the two can the accurate setting rotate the number of turns, realizes the accurate of cradling piece and passes.

Drawings

FIG. 1 is a perspective view of the orthosis;

FIG. 2 is a schematic plan view of the orthotic;

fig. 3 is a detailed structural diagram of the guide mechanism.

Reference numerals: 1. a support rod; 10. an extension; 2. a support leg; 21. a transverse connection part; 3. a hydraulic mechanism; 31. a hydraulic cylinder; 32. a piston; 33. a driver; 34. a laminating cavity; 341. a pusher member; 342. a seal ring; 35. a hose; 4. pressing the plug; 5. a micro motor; 6. a manual steering lever; 61. inserting a rod; 7. a guide mechanism; 71. an arc-shaped track; 72. a rotating gear; 8. a fastener; 81. a card slot; 9. a rack.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 3, the novel spinal deformity correction device of the present embodiment includes a support rod 1 and support legs 2, the support rod 1 and the support legs 2 are integrally formed, the support rod 1 is arranged in a mirror image manner on two sides, a hydraulic mechanism 3 is arranged at a joint of the support rods 1 on the left and right sides, the hydraulic mechanism 3 is used for controlling the support rod to open and close, a guide mechanism 7 for assisting the support legs 2 to open and close is arranged between the support legs 2 on the left and right sides, and a transverse connection portion 21 is arranged at the support legs 2;

the hydraulic mechanism 3 comprises a hydraulic cylinder 31, a piston 32 and a driver 33, the piston 32 is arranged in the hydraulic cylinder 31, the driver 33 is used for driving the piston 32 to ascend or descend, a pressing cavity 34 is arranged between the support rods, the support rods are inserted in the pressing cavity 34, the hydraulic cylinder 31 and the pressing cavity 34 are connected through a hose 35, a pushing member 341 used for pushing the support rods 1 to move is arranged in the pressing cavity 34, the pushing member 341 extends to the outside of the pressing cavity 34 to be fixedly connected with the support rods 1, and a sealing ring 342 is arranged between the pressing cavity 34 and the pushing member 341.

The improvement is as follows: the hydraulic mechanism 3 controls the support rods on the two sides to expand or contract, the support rods are connected with the support feet 2, when the support rods 1 expand outwards, the support feet 2 can expand along with the outward expansion of the support rods, when the support feet 2 on the two sides expand outwards like the outside, the support rods 1 drive the support feet 2 to expand outwards, the guide mechanism 7 plays a role in guiding the support feet 2 at the moment, the hydraulic mechanism 3 comprises a hydraulic cylinder 31, a piston 32 and a driver 33, liquid is contained in the hydraulic cylinder 31, when the driver 33 drives the piston 32 to move downwards, the liquid flows into the pressing cavity 34 (vacuum sealing in the pressing cavity 34) through a hose 35, after the liquid flows into the pressing cavity 34, the liquid occupies the space in the pressing cavity 34 and pushes the pushing piece 341 out towards the two sides, the pushing piece 341 extends to the outside to be fixedly connected with the support rods 1, and a sealing ring 342 is arranged at the part of the pressing cavity 34, through which the support rods 1 penetrate, through the setting of sealing washer 342, can prevent that the outside air from getting into, impeller 341 pushes away cradling piece 1 to both sides, and cradling piece 1 drives the outside removal of cradling piece 2 this moment, finally confirms the concrete position of horizontal connecting portion 21, so just so be superior to prior art, has increased hydraulic means, can the accurate displacement of accurate control cradling piece 1 to the pressure to the backbone has been reduced at the operation in-process.

On the basis of the above embodiment, a pressing plug 4 is further arranged above the piston 32, an external thread is arranged outside the pressing plug 4, an internal thread is arranged at the upper part of the hydraulic cylinder 31, and the inner side of the hydraulic cylinder 31 is tightly matched with the outer side of the pressing plug 4.

The improvement is as follows: the pressing plug 4 is in threaded connection with the cylinder, so that the piston 32 is arranged below the pressing plug 4, the piston 32 is used for pushing liquid to flow into the cylinder through the hose 35, and the threaded connection has the advantage that the distance for the piston 32 to move downwards can be accurately controlled.

On the basis of the above embodiment, the driver 33 includes the micro motor 5, the rotating shaft of the micro motor 5 is fixedly connected to the pressing plug 4, and when the micro motor 5 rotates, the rotating shaft drives the pressing plug 4 to move downward.

The improvement is as follows: the driver 33 comprises a micro motor 5, the pressing plug 4 moves downwards and is controlled in an electric mode, and the advantage of controlling the pressing plug 4 to move downwards in the motor mode is as follows: one can liberate doctor's both hands, does not need the doctor to rotate manually, and the two can the accurate setting rotate the number of turns, realizes the accurate of cradling piece and passes, rotates when the motor, presses stopper 4 downstream, pushes liquid into to cover and presses the chamber 34 in, covers and presses the chamber 34 in because atmospheric pressure uprises, and the cradling piece moves to both sides, and support foot 2 moves to the outside along with the outside lapse of cradling piece.

On the basis of the above embodiment, a manual steering rod 6 is arranged above the pressing plug 4, an inserting rod 61 is arranged between the manual steering rod 6 and the pressing plug 4, one end of the inserting rod 61 is inserted into the pressing plug 4 and fixedly connected with the pressing plug 4, the other end of the inserting rod 61 and the manual steering rod 6 are arranged in a T-shaped structure, and when the manual steering rod 6 is rotated, the piston 32 moves downwards.

The improvement is as follows: the advantage of adopting manual steering column 6 lies in can slowly rotating manual steering column 6 in the operation process, and the accurate of cradling piece still can be realized to manual steering to adopt manual steering to make the doctor control the expansion degree of cradling piece 2 according to particular case is nimble in the operation process.

On the basis of the above embodiment, the guide mechanism 7 includes an arc-shaped rail 71, a rotating gear 72 is arranged in the arc-shaped rail 71, clamping pieces 8 are arranged at the upper end and the lower end of the rotating gear 72, racks 9 matched with the side surfaces of the rotating gear 72 are arranged at the contact parts of the support legs 2 at the two sides and the rotating gear 72, the racks 9 are arranged on the support legs 2, clamping grooves 81 for clamping the side surfaces of the rotating gear 72 are further arranged at the upper end and the lower end of the arc-shaped rail 71, the clamping pieces 8 can be matched with the clamping grooves 81, and the rotating gear 72 can reciprocate along the length direction of the clamping grooves 81.

The improvement is as follows: when the support rod 1 expands towards two sides, the support legs 2 can enable the support legs 2 to move outwards along with the movement of the support rod 1 through the arrangement of the guide device, the guide device comprises an arc-shaped rail 71, the arc-shaped rail 71 is arranged at the joint of the two support legs 2, when the support rod 1 expands outwards, the support leg 2 is fixedly connected with the support rod, so that the support leg is also stretched outwards, the support leg 2 is provided with an extension 10 extending transversely (the moving direction of the extension 10 is consistent with that of the pushing piece 341), the extension is provided with a rack 9, the rack 9 is matched with the rotating gear 72 to rotate, however, in order to limit the horizontal movement of the rotary gear 72, the position of the catching groove 81 should be set to just enough for the rotary gear 72 to enter, the dog 8 on the rotary gear 72 is caught on the catching groove 81, when the extension 10 moves inward or outward, the rotary gear 72 rotates in a circle to guide the supporting legs 2 to expand or contract.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.