Resetting and fixing device for spinal surgery

Abstract

The invention is applicable to the technical field of medical instruments, and provides a spinal surgery reduction fixing device which comprises a back plate corresponding to a waist plate. The adjustable waist belt is fixedly arranged on the waist plate; the adjustable chest strap is fixedly arranged on the back plate; the four sliding grooves are formed in the waist plate and the back plate respectively; the four supporting rods are arranged on the four sliding grooves in a sliding mode respectively; the four bolts are in threaded connection with the four sliding grooves correspondingly and abut against the four supporting rods correspondingly; and the two sleeves are respectively arranged among the four supporting rods in a sleeving manner. The reduction fixing device for spinal surgery can be adjusted according to the body shape of a patient, is suitable for different crowds, exposes the wound position, and is convenient for medical staff to observe.

Description

Technical Field

[0001] The invention belongs to the technical field of medical devices, and in particular relates to a repositioning and fixing device for spinal surgery. Background Art

[0002] Minimally invasive spinal surgery means avoiding large incisions under certain medical risks, using tiny incisions or puncture channels, applying special instruments and devices, reaching the lesion from the normal anatomical structure under the monitoring of imaging instruments or the guidance of navigation technology, and using various miniature manual or electric instruments and equipment.

[0003] During the recovery period after surgery, the spine needs to be positioned to prevent it from being dislocated under the action of external force and affecting the recovery effect. However, most of the existing reduction and fixation devices are fully supported, and the wound on the spine is also wrapped, which affects the recovery of the wound to a certain extent and hinders medical staff from observing the wound. At the same time, the reduction and fixation device lacks an adjustment mechanism and cannot be adjusted according to the patient's height. Summary of the invention

[0004] The present invention provides a reduction and fixation device for spinal surgery, aiming to solve the problem raised in the above background technology that the currently used reduction and fixation devices cannot be adjusted according to individual differences of patients and cannot expose the wound position.

[0005] To solve the above problems, the present invention is implemented as follows: a reduction and fixation device for spinal surgery, comprising: a back plate arranged corresponding to the lumbar plate; an adjustable waist belt, the adjustable waist belt is fixedly installed on the lumbar plate; an adjustable chest belt, the adjustable chest belt is fixedly installed on the back plate; four slide grooves, the four slide grooves are respectively opened on the lumbar plate and the back plate; four support rods, the four support rods are respectively slidably arranged on the four slide grooves; four bolts, the four bolts are respectively threadedly connected to the four slide grooves and respectively conflict with the four support rods; two sleeves, the two sleeves are respectively sleeved between the four support rods; two adjustment mechanisms, the two adjustment mechanisms are respectively arranged on the two sleeves, and are used to adjust the distance between the back plate and the lumbar plate.

[0006] Preferably, the adjustment mechanism includes two fixed blocks, a bidirectional screw, a fixed gear, a movable groove and a driving mechanism. The two fixed blocks are respectively fixedly installed in the support rod, the bidirectional screw is threadedly installed between the two fixed blocks, the fixed gear is fixedly installed on the bidirectional screw, the movable groove is opened on the sleeve, and the driving mechanism is arranged on the sleeve to drive the fixed gear to rotate.

[0007] Preferably, the driving mechanism includes a transmission gear, a protective cover, an adjusting rod and a driving gear, the transmission gear is rotatably installed in the movable groove and meshes with the fixed gear, the protective cover is fixedly installed on the sleeve, the adjusting rod is rotatably installed in the protective cover, the driving gear is fixedly installed on the adjusting rod, and the driving gear meshes with the transmission gear.

[0008] Preferably, a limiting mechanism is provided on the two adjusting rods for fixing the adjusting rods, and the limiting mechanism includes a plurality of slots, two limiting rods, an operating block and four limiting blocks, and the plurality of slots are opened on the protective cover, and the two limiting rods are slidably arranged on the adjusting rods, and the operating block is fixedly mounted on the two limiting rods, and the four limiting blocks are respectively fixedly mounted on the two limiting rods and are respectively arranged on both sides of the adjusting rod.

[0009] Preferably, a connecting belt is fixedly mounted on the waist plate, and the connecting belt is arranged corresponding to the adjustable waist belt.

[0010] Preferably, the four support rods are sleeved with guide blocks, the guide blocks are in sliding contact with the sleeve, and connecting blocks are fixedly installed at both ends of the bidirectional screw for limiting the position of the bidirectional screw.

[0011] Preferably, arc-shaped support plates are provided on both sides of the waist plate, and the adjustable waist belt is configured as a Velcro strap.

[0012] Compared with the related art, the spinal surgery reduction and fixation device provided by the present invention has the following beneficial effects: Compared with the prior art, the reduction and fixation device for spinal surgery provided by the present invention realizes effective support and positioning of the patient's spine through the concept of minimally invasive spinal surgery technology, while avoiding the wrapping of the wound by the full-cover support device, which is conducive to the observation and recovery of the wound. The device can be personalized according to the patient's body shape, height and surgical needs through designs such as an adjustable waist belt, an adjustable chest belt, a slide, a support rod, a bolt, a sleeve and an adjustment mechanism, providing a stable support and fixation effect. In addition, designs such as a limiting mechanism, a connecting belt, a guide block and an arc-shaped support plate further enhance the stability and comfort of the device, so that the patient can obtain better treatment effects during the rehabilitation process. In short, the reduction and fixation device for spinal surgery of the present invention has the advantages of strong adaptability, easy operation, and high comfort, and provides an effective rehabilitation auxiliary tool for patients after spinal surgery. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the main structure of a spinal surgery reduction and fixation device provided by the present invention; Figure 2It is a rear view structural schematic diagram of a spinal surgery reduction and fixation device provided by the present invention; Figure 3 for Figure 2 An enlarged structural diagram of part A shown in FIG. Figure 4 for Figure 3 Schematic diagram of the enlarged structure of part B shown in FIG.

[0014] Figure numerals: 1. back plate; 2. waist plate; 3. adjustable waist belt; 4. adjustable chest belt; 5. slide groove; 6. support rod; 7. bolt; 8. sleeve; 9. fixed block; 10. bidirectional screw; 11. fixed gear; 12. movable groove; 13. transmission gear; 14. protective cover; 15. adjustment rod; 16. driving gear; 17. slot; 18. limit rod; 19. operating block; 20. limit block; 21. connecting belt; 22. guide block. DETAILED DESCRIPTION

[0015] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "including" and "having" in the specification and claims of the present application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present application or the above-mentioned figures are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0016] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0017] The embodiment of the present invention provides a spinal surgery reduction and fixation device, such as Figure 1-4As shown, the reduction and fixation device for spinal surgery includes: a back plate 1 arranged corresponding to the lumbar plate 2; an adjustable waist belt 3, the adjustable waist belt 3 is fixedly installed on the lumbar plate 2; an adjustable chest belt 4, the adjustable chest belt 4 is fixedly installed on the back plate 1; four slide grooves 5, the four slide grooves 5 are respectively opened on the lumbar plate 2 and the back plate 1; four support rods 6, the four support rods 6 are respectively slidably arranged on the four slide grooves 5; four bolts 7, the four bolts 7 are respectively threadedly connected with the four slide grooves 5, and respectively conflict with the four support rods 6; two sleeves 8, the two sleeves 8 are respectively sleeved between the four support rods 6; two adjustment mechanisms, the two adjustment mechanisms are respectively arranged on the two sleeves 8, and are used to adjust the distance between the back plate 1 and the lumbar plate 2.

[0018] In this embodiment, the backboard 1 is used to provide back support for patients after spinal surgery. It is fixedly installed on the patient through an adjustable chest belt 4 to ensure the stability and comfort of the backboard. The lumbar board 2 is used in conjunction with the backboard 1 to provide support for the waist. A slide 5 is provided on the lumbar board for installing and adjusting the position of the support rod 6. The adjustable waist belt 3 is used to adjust according to the different waist circumferences of the patient to ensure that the lumbar board is stably fixed on the patient. The adjustable chest belt 4 and the adjustable waist belt 3 work together to provide a stable fixing effect for the entire reduction and fixation device, while adapting to the body shapes of different patients. The slide 5 is used to install the support rod 6 and is fixed by bolts 7. The design of the slide allows the position of the support rod to be adjusted according to the patient's body shape and surgical requirements. The support rod 6 serves to connect the backboard 1 and the lumbar board 2, while providing additional support for the spine. Bolts 7 are used to fix the position of the support rod 6 in the slide 5 to prevent it from sliding. The sleeve 8 serves to connect and reinforce the support rods, while allowing the spacing between the support rods to be adjusted. The adjustment mechanism is used to adjust the distance between the back plate 1 and the lumbar plate 2 to adapt to the height and body shape of different patients, as well as the recovery needs after surgery. Through the design of the slide 5, the support rod 6 and the bolt 7, the personalized adjustment of the reduction and fixation device is realized, and it can be accurately positioned and fixed according to the patient's body shape and surgical needs. The design of the sleeve 8 and the adjustment mechanism allows the distance between the back plate 1 and the lumbar plate 2 to be adjusted, further improving the adaptability and comfort of the reduction and fixation device. It avoids the wrapping of the wound by the full-cover support device, which is conducive to the observation and recovery of the wound, while reducing the difficulty of the work of medical staff.

[0019] In a further preferred embodiment of the present invention, the adjusting mechanism includes two fixed blocks 9, a bidirectional screw 10, a fixed gear 11, a movable groove 12 and a driving mechanism, the two fixed blocks 9 are respectively fixedly installed in the support rod 6, the bidirectional screw 10 is threadedly installed between the two fixed blocks 9, the fixed gear 11 is fixedly installed on the bidirectional screw 10, the movable groove 12 is opened on the sleeve 8, and the driving mechanism is arranged on the sleeve 8 for driving the fixed gear 11 to rotate.

[0020] In this embodiment, the fixed block 9 serves as the installation base of the bidirectional screw 10 to ensure that the bidirectional screw can stably rotate between the two fixed blocks. The bidirectional screw 10 is threadedly installed between the two fixed blocks 9, and its special feature is that the thread directions of the two ends of the screw are opposite. When the bidirectional screw rotates, it pushes or pulls the part connected with its thread, thereby adjusting the spacing of the support rods in the sleeve 8. The fixed gear 11 is used to transmit the rotational force of the driving mechanism to the bidirectional screw, thereby driving it to rotate. The movable groove 12 provides enough space for the bidirectional screw 10 and the fixed gear 11 thereon to allow them to rotate and adjust freely within a certain range. The driving mechanism is used to drive the fixed gear 11 to rotate. When the driving mechanism works, it drives the bidirectional screw 10 to rotate through the fixed gear 11, thereby adjusting the spacing of the support rods. Through the cooperation of the bidirectional screw 10 and the fixed gear 11, and the driving of the driving mechanism, the spacing of the support rods 6 in the sleeve 8 can be easily adjusted to adapt to the height and body shape of different patients, as well as the recovery needs after surgery. The design of the adjustment mechanism makes the entire reduction and fixation device more compact, reduces unnecessary space and weight, and improves the comfort of the patient.

[0021] In a further preferred embodiment of the present invention, the driving mechanism includes a transmission gear 13, a protective cover 14, an adjusting rod 15 and a driving gear 16, the transmission gear 13 is rotatably installed in the movable groove 12 and meshes with the fixed gear 11, the protective cover 14 is fixedly installed on the sleeve 8, the adjusting rod 15 is rotatably installed in the protective cover 14, the driving gear 16 is fixedly installed on the adjusting rod 15, and the driving gear 16 meshes with the transmission gear 13.

[0022] In this embodiment, when the transmission gear 13 rotates, it drives the fixed gear 11 to rotate through the meshing relationship, and then drives the bidirectional screw 10 to rotate, so as to adjust the spacing of the support rods 6. The protective cover 14 is used to protect the internal transmission gear 13, the driving gear 16 and other components, prevent dust, dirt and other impurities from entering, and provide certain safety protection. The adjustment rod 15 is the main component operated by the user. The user can drive the driving gear 16 to rotate by rotating the adjustment rod 15. When the adjustment rod 15 rotates, it drives the driving gear 16 to rotate, and then drives the transmission gear 13 to rotate through the meshing relationship, so as to drive the entire adjustment mechanism. The user only needs to rotate the adjustment rod 15 to adjust the spacing of the support rods 6, which is simple and quick to operate. The design of the drive mechanism makes the entire reset fixing device more compact, reduces unnecessary space and weight, and improves the comfort of the patient. Through the meshing relationship between the transmission gear 13 and the driving gear 16, efficient transmission is achieved, making the adjustment process more stable and accurate.

[0023] In a further preferred embodiment of the present invention, a limiting mechanism is provided on each of the two adjusting rods 15 for fixing the adjusting rod 15, and the limiting mechanism includes a plurality of slots 17, two limiting rods 18, an operating block 19 and four limiting blocks 20, and the plurality of slots 17 are provided on the protective cover 14, the two limiting rods 18 are slidably provided on the adjusting rod 15, the operating block 19 is fixedly mounted on the two limiting rods 18, and the four limiting blocks 20 are respectively fixedly mounted on the two limiting rods 18, and are respectively provided on both sides of the adjusting rod 15.

[0024] In this embodiment, both adjustment rods 15 are provided with a limiting mechanism for fixing the position of the adjustment rod 15 to prevent it from accidentally rotating when no adjustment is required. The limiting mechanism realizes the fixing and unlocking of the adjustment rod 15. The number and position of the slots 17 are designed to cooperate with the limiting rod 18 to fix the adjustment rod 15 at different positions. The limiting rod 18 can slide along the axial direction of the adjustment rod 15 to enter and exit the slots 17. The user can easily push or pull the limiting rod 18 through the operating block 19 to control the engagement or separation of the limiting rod 18 with the slots 17. The shape and size of the limiting block 20 are designed to limit the position between the limiting rod 18 and the adjustment rod 15 to prevent the limiting rod 18 from separating from the adjustment rod 15. The user can easily push or pull the limiting rod 18 through the operating block 19 to control the engagement or separation with the slots 17, and the operation is simple and quick. The design of the limiting mechanism enables the adjusting rod 15 to remain stable when in a fixed position, while the sliding arrangement of the operating block 19 and the limiting rod 18 also improves the safety of the entire device.

[0025] In a further preferred embodiment of the present invention, a connecting belt 21 is fixedly mounted on the waist plate 2 , and the connecting belt 21 is arranged corresponding to the adjustable waist belt 3 .

[0026] In this embodiment, the lumbar plate 2 is used to support the patient's waist as part of the resetting and fixing device. The design of the connecting belt 21 makes the lumbar plate 2 fit more closely to the patient's body, increasing the stability of the resetting and fixing device. This helps to prevent the patient from affecting the treatment effect due to the loosening of the device during activities. The connecting belt 21 can be adjusted according to the patient's body shape and comfort requirements, and works together with the adjustable belt 3 to provide the patient with more personalized support and fixation. This helps to reduce the burden on the patient and improve the comfort of treatment. The doctor or patient can adjust the tightness of the connecting belt 21 and the adjustable belt 3 according to actual conditions to achieve the best treatment effect. The connecting belt 21 is usually designed to be easy to fix and adjust, such as Velcro, buckle, etc., which allows the patient or doctor to easily adjust it to adapt to different treatment stages and the patient's rehabilitation process.

[0027] In a further preferred embodiment of the present invention, the four support rods 6 are each sleeved with a guide block 22 , the guide block 22 is in sliding contact with the sleeve 8 , and connecting blocks are fixedly installed at both ends of the bidirectional screw 10 for limiting the bidirectional screw 10 .

[0028] In this embodiment, the guide block 22 is sleeved on the support rod 6 and is in sliding contact with the sleeve 8. This design not only provides a sliding track for the sleeve 8 or other related components, but also enhances the stability and guidance of the entire device. It ensures that the sleeve 8 can move smoothly along the predetermined path and avoids unnecessary deviation or shaking. By rotating the bidirectional screw 10, it is possible to adjust or fix certain parts of the device. The connecting block plays a limiting role on the bidirectional screw 10 to prevent it from excessive movement or falling off during the adjustment process. This design allows the user to easily adjust the state of the device as needed to adapt to different treatment needs.

[0029] In a further preferred embodiment of the present invention, arc-shaped support plates are provided on both sides of the waist plate 2, and the adjustable waist belt 3 is configured as a Velcro strap.

[0030] In this embodiment, the design of the arc-shaped support plate can fit the patient's waist curve, provide additional support for the patient, and reduce waist pressure. The combination of the arc-shaped support plate and the waist plate 2 makes the entire device more ergonomic and improves the comfort of the patient when wearing it. The adjustable belt 3 adopts a Velcro strap design, so that the belt can be flexibly adjusted according to the patient's body shape, ensuring that the belt can fit the patient's waist tightly and provide stable support. The easy operation of the Velcro strap allows the patient or medical staff to easily adjust the tightness of the belt to adapt to different treatment stages and the patient's recovery process. The stable support and fitting belt design help keep the patient's waist in the correct position and promote the recovery of the spine.

[0031] In summary, compared with the related art, the reduction and fixation device for spinal surgery of the present invention realizes effective support and positioning of the patient's spine through the concept of minimally invasive spinal surgery technology, while avoiding the wrapping of the wound by the full-cover support device, which is conducive to the observation and recovery of the wound. The device can be personalized according to the patient's body shape, height and surgical needs through designs such as an adjustable waist belt, an adjustable chest belt, a slide, a support rod, a bolt, a sleeve and an adjustment mechanism, providing a stable support and fixation effect. In addition, designs such as a limiting mechanism, a connecting belt, a guide block and an arc-shaped support plate further enhance the stability and comfort of the device, so that the patient can obtain better treatment effects during the rehabilitation process. In short, the reduction and fixation device for spinal surgery of the present invention has the advantages of strong adaptability, simple operation, and high comfort, and provides an effective rehabilitation auxiliary tool for patients after spinal surgery.

[0032] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0033] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also belong to the scope of protection of the present invention.

Claims

1. A spinal surgery reduction and fixation device, characterized in that: include: A back plate arranged corresponding to the waist plate; An adjustable waist belt, the adjustable waist belt is fixedly mounted on the waist plate; An adjustable chest strap, the adjustable chest strap is fixedly mounted on the back panel; Four slide grooves, the four slide grooves are respectively arranged on the waist plate and the back plate; Four support rods, the four support rods are slidably arranged on the four slide grooves respectively; Four bolts, the four bolts are respectively connected to the four slide grooves by threads and respectively conflict with the four support rods; Two sleeves, the two sleeves are respectively sleeved between the four support rods; Two adjustment mechanisms are respectively arranged on the two sleeves and are used to adjust the distance between the back plate and the waist plate.

2. The spinal surgery reduction and fixation device according to claim 1, characterized in that: The adjustment mechanism includes two fixed blocks, a bidirectional screw, a fixed gear, a movable groove and a driving mechanism. The two fixed blocks are respectively fixedly installed in the support rod, the bidirectional screw is threadedly installed between the two fixed blocks, the fixed gear is fixedly installed on the bidirectional screw, the movable groove is opened on the sleeve, and the driving mechanism is arranged on the sleeve to drive the fixed gear to rotate.

3. The spinal surgery reduction and fixation device according to claim 2, characterized in that: The driving mechanism includes a transmission gear, a protective cover, an adjusting rod and a driving gear. The transmission gear is rotatably installed in the movable groove and meshes with the fixed gear. The protective cover is fixedly installed on the sleeve. The adjusting rod is rotatably installed in the protective cover. The driving gear is fixedly installed on the adjusting rod, and the driving gear meshes with the transmission gear.

4. The spinal surgery reduction and fixation device according to claim 3, characterized in that: A limiting mechanism is provided on the two adjusting rods for fixing the adjusting rods, and the limiting mechanism includes a plurality of slots, two limiting rods, an operating block and four limiting blocks. The plurality of slots are provided on the protective cover, the two limiting rods are slidably arranged on the adjusting rods, the operating block is fixedly mounted on the two limiting rods, and the four limiting blocks are respectively fixedly mounted on the two limiting rods and are respectively arranged on both sides of the adjusting rods.

5. The spinal surgery reduction and fixation device according to claim 1, characterized in that: A connecting belt is fixedly mounted on the waist plate, and the connecting belt is arranged correspondingly to the adjustable waist belt.

6. The spinal surgery reduction and fixation device according to claim 2, characterized in that: The four support rods are all sleeved with guide blocks, and the guide blocks are in sliding contact with the sleeves. Connecting blocks are fixedly installed at both ends of the bidirectional screw rods for limiting the bidirectional screw rods.

7. The spinal surgery reduction and fixation device according to claim 1, characterized in that: Arc-shaped support plates are arranged on both sides of the waist plate, and the adjustable waist belt is arranged as a Velcro strap.

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