Adjustable deformed spine correction system and method

Abstract

The present invention discloses a correction system and method for an adjustable deformed spine, comprising a first correction part and a second correction part that can swing relative to each other, the length of the first correction part or the second correction part can be adjusted during the correction process, thereby correcting the human body to be corrected or a part of the human body to be corrected to a predetermined length, the first correction part is supported by a first hydraulic telescopic mechanism at the rear side, the second correction part is supported by a second hydraulic telescopic mechanism at the rear side, the first hydraulic rod of the first hydraulic telescopic mechanism is hinged on the first correction part, the second hydraulic rod of the second hydraulic telescopic mechanism is hinged on the second correction part, the hydraulic cylinders of the first hydraulic telescopic mechanism and the second hydraulic telescopic mechanism are both hinged on the top bracket, and the rotation angle of the first correction part and the second correction part is controlled by controlling the liquid supply of the first hydraulic telescopic mechanism and the second hydraulic telescopic mechanism. The correction system and method are suitable for the correction of a large-angle curved spine, with high correction accuracy, convenient and stable operation, and automation.

Description

Technical Field

[0001] The invention relates to a correction system and method capable of adjusting a deformed spine, and in particular to correction of spinal angle deformity. Background Art

[0002] The spinal curvature is corrected by methods including spinal osteotomy. During the operation, the vertebrae at the curved part of the spine are usually removed. The curved spine is usually corrected by a correction rod, which includes two movably connected correction arms for fixing the vertebrae on both sides of the curved spine. The disadvantage is that during correction, the vertebrae on one side are fixed to the correction rod with bone screws, while the vertebrae on the other side of the curved spine cannot be fixed to the correction rod. A certain force is applied to the correction rod, and the correction rod drives the spinal correction, which requires precision. Therefore, this operation is a very technically demanding operation, and the surgeon must have considerable experience. However, there is a lack of auxiliary equipment for the above-mentioned spinal osteotomy orthodontics, and there is only equipment for spinal fine-tuning, such as CN88213781.6, a utility model named "Deformed Spinal Corrector", which discloses a deformed spinal corrector, which is a medical device and is composed of a stool, a sitting correction fixation frame and a prone correction traction frame. The patient is placed in a correction device and combined with manual correction, medication, and bed rest, which can eradicate the deviation of a single vertebra, multiple vertebrae, and the overall deformity and deviation of the cervical, thoracic, lumbar, and coccygeal vertebrae at one time, and eliminate the neuralgia caused by them. Obviously, this type of correction device can only assist in fine-tuning the spine and cannot be used for large-angle spinal orthodontic surgery. Summary of the invention

[0003] The purpose of the present invention is to provide an adjustable deformed spine correction system that can achieve stable and adjustable large-angle correction of the spine. The purpose of the present invention also includes providing a correction method implemented by using the above adjustable deformed spine correction system.

[0004] To this end, the present invention provides an adjustable deformed spine correction system, comprising a first correction part and a second correction part, wherein the first correction part is suitable for fixing one side of a human body to be corrected, and the second correction part is suitable for fixing the other side of the human body to be corrected. The correction system corrects the bent human body to be corrected by rotating the first correction part relative to the second correction part or the second correction part relative to the first correction part. The length of the first correction part or the second correction part can be adjusted during the correction process, thereby correcting the human body to be corrected or a part of the human body to be corrected to a predetermined length. The first correction part is supported by a first hydraulic telescopic mechanism at the rear side, and the second correction part is supported by a second hydraulic telescopic mechanism at the rear side. The first hydraulic rod of the first hydraulic telescopic mechanism is hinged on the first correction part, and the second hydraulic rod of the second hydraulic telescopic mechanism is hinged on the second correction part. The hydraulic cylinders of the first hydraulic telescopic mechanism and the second hydraulic telescopic mechanism are both hinged on a top bracket, and the top bracket is provided with a hydraulic lifting rod for support. The rotation angle of the first correction part and the second correction part is controlled by controlling the liquid supply of the first hydraulic telescopic mechanism and the second hydraulic telescopic mechanism.

[0005] Preferably, the top bracket is provided with a first track and a second track respectively used to connect the first correcting part and the second correcting part. The end of the first correcting part is hinged on the first articulated seat, and the first articulated seat is slidably fitted with the first track. A first motor is fixed to one end of the first track, and the telescopic rod of the first motor is connected to the first articulated seat, and the first motor drives the first articulated seat to move back and forth through the telescopic rod. The second articulated seat is slidably fitted with the second track. A second motor is fixed to one end of the second track, and the telescopic rod of the second motor is connected to the second articulated seat, and the second motor drives the second articulated seat to move back and forth through the telescopic rod. By setting a PLC to coordinate and control the first hydraulic telescopic mechanism, the second hydraulic telescopic mechanism, the first motor and the second motor, the first correcting part and the second correcting part can be swung at a larger angle.

[0006] Preferably, the first hinge seat and the second hinge seat are both provided with a sleeve portion, and the sleeve portion sleeves the first track and the second track respectively.

[0007] Preferably, a guide square rod is provided in the middle of the first correction part and the second correction part, and an upper positioning tooth is provided on the rear side of the guide square rod, a bone screw is fixed on the human spine, and the bone screw is fixed on an adjustment block at a corresponding position, a positioning sleeve is fixed on the rear side of the adjustment block, the positioning sleeve is sleeved with the guide square rod, a positioning block is provided on the rear side of the inner wall of the positioning sleeve, and the positioning block is provided with a lower positioning tooth facing the upper positioning tooth, the positioning block and the inner wall of the positioning sleeve are slidably matched along both side walls by a matching track mechanism, a hydraulic tensioning mechanism is provided on the positioning sleeve at the rear side of the positioning block, the hydraulic tensioning mechanism is configured with a hydraulic cylinder and a push rod, the push rod is connected to the rear side of the positioning block, and the locking and release of the positioning block relative to the guide square rod are controlled by controlling the extension and retraction of the hydraulic tensioning mechanism.

[0008] The present invention also provides a correction method using the above-mentioned correction system for an adjustable deformed spine, which is characterized by comprising the following steps:

[0009] (1) Coordinating and controlling the first hydraulic telescopic mechanism, the second hydraulic telescopic mechanism, the first motor and the second motor through PLC control to achieve preliminary setting of the angles of the first correction part and the second correction part;

[0010] (ii) fixing the first correction part and the second correction part to one side of the human body to be corrected at a certain angle; (iii) adjusting the fixed position of the adjustment block on the guide square rod to meet the correction needs of the human body to be corrected;

[0011] (iv) applying a certain force to the first correction part and the second correction part, so that the first correction part and the second correction part drive the two sides of the human body to be corrected to rotate unidirectionally until the human body to be corrected is straightened or to a predetermined angle. During the angle correction process, the fixed position of the adjustment block on the guide square rod is timely adjusted to meet the further correction needs of the human body to be corrected.

[0012] The beneficial effects of the present invention are:

[0013] (1) In the present invention, a PLC is set to coordinate and control the first hydraulic telescopic mechanism, the second hydraulic telescopic mechanism, the first motor and the second motor to achieve a larger angle of swing control of the first correction part and the second correction part, and the entire control process is automated, thereby improving the stability and accuracy of the control.

[0014] (2) In the present invention, the first correction part is suitable for fixing one side of the human body to be corrected, and the second correction part is suitable for fixing the other side of the human body to be corrected. The correction system corrects the bent human body to be corrected by rotating the first correction part relative to the second correction part or by rotating the second correction part relative to the first correction part. The length of the first correction part or the second correction part can be adjusted during the correction process, and the adjustment method includes using a combination of a sliding member and a sliding groove to achieve length adjustment, thereby achieving the correction process after the resection of the spinal vertebrae, so that the spine is not elongated or the spine is shortened to a predetermined length.

[0015] (3) In the present invention, the hydraulic cylinders of the first hydraulic telescopic mechanism and the second hydraulic telescopic mechanism are both hinged on the top bracket, and the top bracket is equipped with a hydraulic lifting rod for support. The first correction part and the second correction part are arranged on the lower side of the top bracket. Through the lifting and lowering adjustment of the top bracket, the two correction parts can be more conveniently installed on the human spine, and have more flexible adjustment capabilities, can adapt to more surgical positions, and can achieve a larger angle of adjustment in combination with the operating table. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the structure of the correction system for an adjustable deformed spine provided by the present invention;

[0017] Figure 2 for Figure 1 A schematic diagram of the structure in which the first hinged seat and the first track are sleeved;

[0018] Figure 3 for Figure 1 Schematic diagram of the structure of the positioning sleeve and the guide square rod sleeve connection. DETAILED DESCRIPTION

[0019] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation mode, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0020] Reference Figure 1-3 As shown, the present invention provides an adjustable deformity spine correction system, comprising a first correction part 1 and a second correction part 2, wherein the first correction part 1 is suitable for fixing one side of a human body to be corrected, and the second correction part 2 is suitable for fixing the other side of the human body to be corrected, and the correction system corrects the bent human body to be corrected by rotating the first correction part 1 relative to the second correction part 2 or the second correction part 2 relative to the first correction part 1, and the length of the first correction part 1 or the second correction part 2 can be adjusted during the correction process, thereby correcting the human body to be corrected or a part of the human body to be corrected to a predetermined length, the first correction part 1 is supported by a first hydraulic telescopic mechanism 3 on the rear side, and the second correction part 2 is supported by a second hydraulic telescopic mechanism 4 on the rear side, the first hydraulic rod of the first hydraulic telescopic mechanism 3 is hinged on the first correction part 1, and the second hydraulic The second hydraulic rod of the telescopic mechanism 4 is hinged on the second correction part 2, and the hydraulic cylinders of the first hydraulic telescopic mechanism 3 and the second hydraulic telescopic mechanism 4 are both hinged on the top bracket 5. The top bracket 5 is provided with a hinge fulcrum 22. The first correction part 1 swings relative to the second correction part 2 with the hinge fulcrum 22 as the rotation axis. The top bracket 5 is equipped with a hydraulic lifting rod 23 for support. The rotation angle of the first correction part and the second correction part is controlled by controlling the fluid supply of the first hydraulic telescopic mechanism 3 and the second hydraulic telescopic mechanism 4. The first hydraulic telescopic mechanism 3 and the second hydraulic telescopic mechanism 4 are both equipped with an electronic high-pressure hydraulic pump, and the hydraulic lifting rod 23 is adjusted by lifting control to meet the needs of the operation. The patient usually lies on the operating platform 24 below the correction system, and the bone screws on the patient's spine are fixed upward on the first correction part and the second correction part of the correction system.

[0021] Reference Figure 1-2As shown, in order to achieve a larger angle and more flexible adjustment, on the basis of the above embodiment, the top bracket 5 is provided with a first track 6 and a second track 7 respectively used to connect the first correction part 1 and the second correction part 2. The end of the first correction part 1 is hinged on the first articulated seat 8, and the first articulated seat 8 is slidably fitted with the first track 6. A rolling fitting structure similar to a ball bearing is provided at the fitting position. A first motor 9 is fixed to one end of the first track 6, and the telescopic rod of the first motor 9 is connected to the first articulated seat 8. The first motor 9 drives the first articulated seat 8 to move back and forth through the telescopic rod. The second articulated seat 10 is slidably fitted with the second track 7. A second motor 11 is fixed to one end of the second track 10, and the telescopic rod of the second motor 11 is connected to the second articulated seat 10. The second motor 11 drives the second articulated seat 10 to move back and forth through the telescopic rod. The first correction part 1 and the second correction part 2 can be swung at a larger angle by setting a PLC to coordinate and control the first hydraulic telescopic mechanism 3, the second hydraulic telescopic mechanism 4, the first motor 9 and the second motor 11. Refer to Figure 2 As shown, the above-mentioned hinged portion and the track are connected in the following manner: the first hinged seat 8 and the second hinged seat 10 are both provided with a connecting portion 12, and the connecting portions 12 of the first hinged seat 8 and the second hinged seat 10 are respectively connected to the first track 6 and the second track 7, and the connecting structure is suitable for the pulling and pushing of the hydraulic telescopic mechanism, while achieving stable guidance.

[0022] Because the fixed position of the bone screw 13 and the correction part needs to be fine-tuned in time when the correction is in place and during the correction, refer to Figure 1 , Figure 3 As shown, in order to achieve timely fine-tuning of the positions of the correction part and the bone screws, the first correction part 1 and the second correction part 2 are both provided with a guide square rod 14 in the middle, and the rear side of the guide square rod 14 is provided with an upper positioning tooth 15, a bone screw 13 is fixed on the human spine, and the bone screw 13 is fixed on an adjustment block 16 at a corresponding position, and a positioning sleeve 17 is fixed on the rear side of the adjustment block 16, and the positioning sleeve 17 is sleeved with the guide square rod 14, and a rolling matching structure similar to a ball bearing is arranged at the matching position, and a positioning block 18 is arranged on the rear side of the inner wall of the positioning sleeve 17, and the positioning block 18 is provided with a lower positioning tooth 19 facing the upper positioning tooth 15, and the positioning The positioning block 18 and the inner wall of the positioning sleeve 17 are slidably matched with each other along the two side walls by a matching track mechanism. Therefore, the sliding of the track mechanism usually adopts ball matching and is a prior art, which will not be repeated here. A hydraulic tensioning mechanism 20 is arranged on the positioning sleeve 17 at the rear side of the positioning block 18. The hydraulic tensioning mechanism 19 is equipped with a hydraulic cylinder 21 and a push rod 22. The push rod 22 is connected to the rear side of the positioning block 18. By controlling the extension and contraction of the hydraulic tensioning mechanism 20, the locking and release of the positioning block 18 relative to the guide square rod 14 are controlled, thereby realizing the locking of the adjustment block 16, and also locking the relative position of the bone screw 13.

Claims

1. A correction system capable of adjusting a deformed spine, characterized by: The invention comprises a first correction part and a second correction part, wherein the first correction part is suitable for fixing one side of the human body to be corrected, and the second correction part is suitable for fixing the other side of the human body to be corrected. The correction system corrects the bent human body to be corrected by rotating the first correction part relative to the second correction part or by rotating the second correction part relative to the first correction part. The length of the first correction part or the second correction part can be adjusted during the correction process, thereby correcting the human body to be corrected or a part of the human body to be corrected to a predetermined length. The first correction part is supported by a first hydraulic telescopic mechanism on the rear side, and the second correction part is supported by a second hydraulic telescopic mechanism on the rear side. The first hydraulic rod of the first hydraulic telescopic mechanism is hinged on the first correction part, and the second hydraulic rod of the second hydraulic telescopic mechanism is hinged on the second correction part. The hydraulic cylinders of the first hydraulic telescopic mechanism and the second hydraulic telescopic mechanism are both hinged on the top bracket, and the top bracket is provided with a hydraulic lifting rod for support. The rotation angle of the first correction part and the second correction part is controlled by controlling the fluid supply of the first hydraulic telescopic mechanism and the second hydraulic telescopic mechanism.

2. The adjustable deformed spine correction system according to claim 1, characterized in that: The top bracket is provided with a first track and a second track respectively used to connect the first correction part and the second correction part. The end of the first correction part is hinged on the first articulated seat, and the first articulated seat is slidably fitted with the first track. A first motor is fixed to one end of the first track, and the telescopic rod of the first motor is connected to the first articulated seat. The first motor drives the first articulated seat to move back and forth through the telescopic rod. The second articulated seat is slidably fitted with the second track. A second motor is fixed to one end of the second track, and the telescopic rod of the second motor is connected to the second articulated seat. The second motor drives the second articulated seat to move back and forth through the telescopic rod. The first correction part and the second correction part are swung at a larger angle by setting a PLC to coordinate and control the first hydraulic telescopic mechanism, the second hydraulic telescopic mechanism, the first motor and the second motor.

3. The adjustable deformed spine correction system according to claim 2, characterized in that: The first hinge seat and the second hinge seat are both provided with sleeve parts, and the sleeve parts are respectively sleeved with the first track and the second track.

4. The adjustable deformed spine correction system according to claim 1, 2 or 3, characterized in that: A guide square rod is provided in the middle of the first correction part and the second correction part, and an upper positioning tooth is provided on the rear side of the guide square rod. Bone screws are fixed on the human spine, and the bone screws are fixed on the adjusting block at the corresponding position. A positioning sleeve is fixed on the rear side of the adjusting block, and the positioning sleeve is sleeved with the guide square rod. A positioning block is provided on the rear side of the inner wall of the positioning sleeve, and the positioning block is provided with a lower positioning tooth facing the upper positioning tooth. The positioning block and the inner wall of the positioning sleeve are slidably matched along the two side walls with a matching track mechanism. A hydraulic tensioning mechanism is provided on the positioning sleeve at the rear side of the positioning block, and the hydraulic tensioning mechanism is configured with a hydraulic cylinder and a push rod, and the push rod is connected to the rear side of the positioning block. The locking and release of the positioning block relative to the guide square rod are controlled by controlling the extension and contraction of the hydraulic tensioning mechanism.

5. A correction method implemented by using the correction system for an adjustable deformed spine as claimed in claim 4, characterized in that: The following steps are involved: (1) Coordinating and controlling the first hydraulic telescopic mechanism, the second hydraulic telescopic mechanism, the first motor and the second motor through PLC control to achieve preliminary setting of the angles of the first correction part and the second correction part; (ii) fixing the first correction part and the second correction part to one side of the human body to be corrected at a certain angle; (iii) adjusting the fixed position of the adjustment block on the guide square rod to meet the correction needs of the human body to be corrected; (iv) applying a certain force to the first correction part and the second correction part, so that the first correction part and the second correction part drive the two sides of the human body to be corrected to rotate unidirectionally until the human body to be corrected is straightened or to a predetermined angle. During the angle correction process, the fixed position of the adjustment block on the guide square rod is timely adjusted to meet the further correction needs of the human body to be corrected.

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