Scoliosis repositor

Abstract

The invention relates to the technical field of medical instruments, in particular to a scoliosis repositor. The repositor comprises a connecting mechanism which is detachably connected with an operating bed; the height adjusting mechanism comprises a first static assembly, a first movable assembly and a first adjusting assembly, one end of the first static assembly is connected with the connecting mechanism, the first movable assembly is movably installed on the first static assembly in the extending direction of the first static assembly, and the first adjusting assembly is arranged between the first movable assembly and the first static assembly; the length adjusting mechanism comprises a second static assembly, a second movable assembly, a second adjusting assembly and a push head, the second static assembly is connected with the first movable assembly, the second movable assembly is movably installed on the second static assembly in the extending direction of the second static assembly, and the second adjusting assembly is arranged between the second movable assembly and the second static assembly; a push head is arranged at one end of the second movable assembly. The device can replace manual work, and restoration is achieved at the nearly constant speed of the spine side curvature.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, in particular to a scoliosis reducer. Background Art

[0002] Scoliosis reduction surgery typically requires medical staff to continuously apply external force to reduce the curvature of the spine, based on the patient's physiological curvature. This operation consumes personnel during the surgery. Therefore, a scoliosis reducer is needed to replace manual scoliosis reduction. Summary of the Invention

[0003] The purpose of the present invention is to provide a scoliosis reducer that overcomes the shortcomings of the aforementioned prior art and replaces manual reduction of scoliosis. The reducer can be connected to an operating table and can be adjusted in height and extension length as needed.

[0004] The technical solution adopted by the present invention to solve the technical problem is:

[0005] A scoliosis reducer, comprising:

[0006] A connecting mechanism, wherein the connecting mechanism is detachably connected to the operating table, and a scoliosis reducer can be optionally installed on one or both sides of the operating table through the connecting mechanism;

[0007] A height adjustment mechanism, the height adjustment mechanism comprising a first static component, a first dynamic component, and a first adjustment component, one end of the first static component being connected to the connecting mechanism, the first dynamic component being movably mounted on the first static component along an extension direction of the first static component, a first adjustment component being disposed between the first dynamic component and the first static component, the first adjustment component being capable of locking the first dynamic component to the first static component, the height of the height adjustment mechanism being adjusted according to the patient's condition during use, and the first dynamic component being locked to the first static component via the first adjustment component;

[0008] The length adjustment mechanism includes a second static component, a second dynamic component, a second adjustment component and a push head. The second static component is connected to the first dynamic component. The second dynamic component is movably mounted on the second static component along the extension direction of the second static component. A second adjustment component is provided between the second dynamic component and the second static component. The second adjustment component can lock the second dynamic component on the second static component. A push head is provided at one end of the second dynamic component. When in use, the length of the length adjustment mechanism is adjusted according to the patient's condition, and the second dynamic component is locked on the second static component through the second adjustment component.

[0009] The scoliosis reducer replaces manual labor. During the operation, the scoliosis reducer is connected to the operating table through a connecting mechanism, and then adjusted to the appropriate height and length according to the patient's condition, and the pusher head is used to push the scoliosis reduction.

[0010] Furthermore, the first static component includes a first connecting rod, which is provided with a first through-hole; the first dynamic component includes a first one-way gear rod, which passes through the first through-hole; the first adjustment component includes a first button and a first spring, the first connecting rod is provided with a first receiving groove that intersects with the first through-hole, the first spring is installed at the bottom of the first receiving groove, one end of the first spring is connected to the first button, the first button is accommodated in the first receiving groove and partially extends out of the first receiving groove under the action of the spring, the first button is provided with a second through-hole for the first one-way gear rod to pass through, and the second through-hole is provided with a first limiting tooth that can engage with the one-way tooth on the first one-way gear rod; when the position of the first dynamic component on the first static component needs to be adjusted, the first button is pressed, the first spring is compressed, the first limiting tooth disengages from the first one-way gear rod, and the first button is released after the first one-way gear rod is moved to the target position. Under the action of the first spring, the first limiting tooth engages with the first one-way gear rod, and the position of the first dynamic component on the first static component is locked.

[0011] Furthermore, the second static component includes a second one-way gear rod, and the second dynamic component is a sliding rod sleeved on the outside of the second one-way gear rod, and the sliding rod is provided with an opening for installing the second adjusting component, and the second adjusting component includes a button and a second spring, the button is hinged in the opening, one end of the button is in contact with the teeth of the second one-way gear rod, and the other end of the button is connected to one end of the second spring, and the other end of the second spring is connected to the sliding rod. When the button is pressed, the second spring is compressed and the button is disengaged from the second one-way gear rod; when the relative length of the length adjustment mechanism needs to be adjusted, the button is pressed, the second spring is compressed, and the other end of the button is disengaged from the second one-way gear rod. At this time, the position of the sliding rod on the second one-way gear rod can be freely adjusted, thereby realizing the adjustment of the push head position. After adjusting to the target position, the button is released, and under the action of the second spring, the other end of the button is again in contact between two adjacent teeth of the second one-way gear rod, and the position of the second dynamic component on the second static component is locked.

[0012] Furthermore, a second receiving groove is provided on the sliding rod, and a gear is hinged in the second receiving groove. The teeth of the gear are engaged with the teeth of the second one-way gear rod. One end of the gear is connected to a driving knob extending from the second receiving groove. When the button is pressed, the position of the sliding rod on the second one-way gear rod can be adjusted by rotating the driving knob through the external driving handle.

[0013] Furthermore, a long guide slot is provided on the second one-way gear rod in an extended direction, and a guide rod passing through the long guide slot is provided on the sliding rod, thereby ensuring that the sliding rod can move smoothly on the second one-way gear rod.

[0014] Furthermore, a push head connecting mechanism is provided on the second moving component, and the push head connecting mechanism includes a third spring and a third button. A third accommodating groove is provided on the second moving component, one end of the third spring is fixed to the third accommodating groove, and the other end of the third spring is connected to the third button. The third button partially extends out of the third accommodating groove under the action of the spring; one end of the push head is sleeved on the end of the second moving component, and a through hole is provided on the push head to cooperate with the third button. The setting of the push head connecting mechanism is conducive to the disassembly, assembly and replacement of the push head and other operations.

[0015] Furthermore, the connecting mechanism includes a threaded rod, a first clamping jaw, a second clamping jaw and an adjustment handle, one end of the threaded rod is connected to the first connecting rod, the other end of the threaded rod is fixed with the first clamping jaw, the second clamping jaw is sleeved on the threaded rod and can move on the threaded rod, the adjustment handle is threadedly connected to the threaded rod and can push the second clamping jaw closer to the first clamping jaw, and the entire scoliosis reducer is connected to the operating bed through the first clamping jaw and the second clamping jaw.

[0016] Furthermore, connecting blocks are provided at both ends of the first connecting rod, and the connecting blocks are respectively connected to the first threaded rods. This structure is connected through two connecting mechanisms on an operating table, making the installation of the scoliosis reducer more stable.

[0017] Furthermore, the first clamping jaw is installed on the end of the first threaded rod through a locking member, and the first clamping jaw is removable and replaceable; a fourth spring is sleeved on the first threaded rod, a section of the fourth spring is fixed on the first threaded rod, the fourth spring is located in the inner cavity of the second clamping jaw, and the other end of the fourth spring is fixedly connected to the inner cavity of the second clamping jaw. When the adjustment handle is rotated upward, the second clamping jaw automatically rebounds, which is convenient for operation.

[0018] Furthermore, the first threaded rod and the connecting block are detachably connected.

[0019] The beneficial effects of the present invention are: compared with the existing technology, the scoliosis reducer of the present invention has the following advantages: instead of manually reducing the scoliosis curvature, the reducer can be connected to the operating table and can be adjusted in height and extension length according to needs. During use, the reduction operation can be achieved at a nearly uniform speed, and the effect is better than the existing manual reduction technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2This is a schematic diagram of the overall structure of the present invention from another angle;

[0022] Figure 3 This is a schematic diagram of the top view of the structure of the present invention;

[0023] Figure 4 For the present invention Figure 3 A-A' structural cross-sectional view;

[0024] Figure 5 It is a schematic diagram of the structure of the connecting mechanism and the height adjustment mechanism of the present invention after partial disassembly;

[0025] Among them, 1 connecting mechanism, 11 threaded rod, 12 first clamping jaw, 13 second clamping jaw, 14 adjusting handle, 15 fourth spring, 2 height adjustment mechanism, 21 first static component, 211 first through-hole, 212 first accommodating groove, 213 connecting block, 22 first dynamic component, 23 first adjusting component, 231 first button, 232 first spring, 233 second through-hole, 234 first limiting tooth, 3 length adjustment mechanism, 31 second static component, 311 guide long groove, 32 second dynamic component, 321 opening, 322 second accommodating groove, 323 gear, 324 driving knob, 325 guide rod, 326 third accommodating groove, 33 second adjusting component, 331 button, 332 second spring, 34 push head, 35 push head connecting mechanism, 351 third spring, 352 third button. DETAILED DESCRIPTION

[0026] To make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0027] like Figure 1-5 In the embodiment shown, a scoliosis reducer comprises:

[0028] A connecting mechanism 1, which is detachably connected to the operating table, and a scoliosis reducer can be optionally installed on one or both sides of the operating table through the connecting mechanism 1;

[0029] A height adjustment mechanism 2, comprising a first static component 21, a first dynamic component 22, and a first adjustment component 23. One end of the first static component 21 is connected to the connecting mechanism 1, and the first dynamic component 22 is movably mounted on the first static component 21 along the extension direction of the first static component 21. A first adjustment component 23 is provided between the first dynamic component 22 and the first static component 21. The first adjustment component 23 can lock the first dynamic component 22 on the first static component 21. During use, the height of the height adjustment mechanism 2 is adjusted according to the patient's condition, and the first dynamic component 22 is locked on the first static component 21 through the first adjustment component 23;

[0030] The length adjustment mechanism 3 includes a second static component 31, a second dynamic component 32, a second adjustment component 33 and a pusher head 34. The second static component 31 is connected to the first dynamic component 22. The second dynamic component 32 is movably mounted on the second static component 31 along the extension direction of the second static component 31. A second adjustment component 33 is provided between the second dynamic component 32 and the second static component 31. The second adjustment component 33 can lock the second dynamic component 32 on the second static component 31. A pusher head 34 is provided at one end of the second dynamic component 32. When in use, the length of the length adjustment mechanism 3 is adjusted according to the patient's condition, and the second dynamic component 32 is locked on the second static component 31 through the second adjustment component 33;

[0031] The scoliosis reducer is used to replace manual labor. During the operation, the scoliosis reducer is connected to the operating table through the connecting mechanism 1, and then adjusted to the appropriate height and length according to the patient's condition, and the push head 34 is used to push the scoliosis reduction.

[0032] In this embodiment, the first static component 21 includes a first connecting rod, which is provided with a first through-hole 211; the first dynamic component 22 includes a first one-way gear rod, which passes through the first through-hole 211; the first adjustment component 23 includes a first button 231 and a first spring 232, and the first connecting rod is provided with a first receiving groove 212 intersecting with the first through-hole 211, the first spring 232 is installed at the bottom of the first receiving groove 212, one end of the first spring 232 is connected to the first button 231, and the first button 231 is accommodated in the first receiving groove 212 and partially extends out of the first receiving groove under the action of the spring. 212. The first button 231 is provided with a second through-hole 233 for the first one-way gear rod to pass through, and the second through-hole 233 is provided with a first limiting tooth 234 that can engage with the one-way tooth on the first one-way gear rod; when it is necessary to adjust the position of the first moving component 22 on the first static component 21, the first button 231 is pressed, the first spring 232 is compressed, and the first limiting tooth 234 is disengaged from the first one-way gear rod. After the first one-way gear rod is moved to the target position, the first button 231 is released. Under the action of the first spring 232, the first limiting tooth 234 engages with the first one-way gear rod, and the position of the first moving component 22 on the first static component 21 is locked.

[0033] In this embodiment, the second static component 31 includes a second one-way gear rod, and the second dynamic component 32 is a sliding rod sleeved on the outside of the second one-way gear rod. The sliding rod is provided with an opening 321 for installing the second adjustment component 33. The second adjustment component 33 includes a button 331 and a second spring 332. The button 331 is hinged in the opening 321. One end of the button 331 abuts against the teeth of the second one-way gear rod, and the other end of the button 331 is connected to one end of the second spring 332. The other end of the second spring 332 is connected to the sliding rod. When the button 331 is pressed, the second spring When the cam 331 is in the unlocked position, the second spring 332 is pressed against the push button 331, and the other end of the push button 331 is released from the second one-way gear rod. When the cam 331 is in the unlocked position, the second spring 332 is pressed against the push button 331, and the other end of the push button 331 is released from the second one-way gear rod. When the cam 331 is in the unlocked position, the second spring 332 is pressed against the push button 331, and the second moving component 32 is locked in the second static component 31.

[0034] In this embodiment, a second accommodating groove 322 is provided on the sliding rod, and a gear 323 is hinged in the second accommodating groove 322. The teeth of the gear 323 are engaged with the teeth of the second one-way gear rod. One end of the gear 323 is connected to a driving knob 324 extending from the second accommodating groove 322. When the button 331 is pressed, the driving knob 324 is rotated through the external driving handle to adjust the position of the sliding rod on the second one-way gear rod.

[0035] In this embodiment, a guide slot 311 is provided on the second one-way gear rod in the extended direction, and a guide rod 325 passing through the guide slot 311 is provided on the sliding rod to ensure that the sliding rod can move smoothly on the second one-way gear rod.

[0036] In this embodiment, a push head connecting mechanism 35 is provided on the second movable component 32, and the push head connecting mechanism 35 includes a third spring 351 and a third button 352. A third accommodating groove 326 is provided on the second movable component 32, one end of the third spring 351 is fixed to the third accommodating groove 326, and the other end of the third spring 351 is connected to the third button 352. Under the action of the spring, the third button 352 partially extends out of the third accommodating groove 326; one end of the push head 34 is sleeved on the end of the second movable component 32, and a through hole is provided on the push head 34 to cooperate with the third button 352. The setting of the push head connecting mechanism 35 is conducive to the disassembly, assembly and replacement of the push head 34.

[0037] In this embodiment, the connecting mechanism 1 includes a threaded rod 11, a first clamping jaw 12, a second clamping jaw 13 and an adjustment handle 14. One end of the threaded rod 11 is connected to the first connecting rod, and the other end of the threaded rod 11 is fixed with the first clamping jaw 12. The second clamping jaw 13 is sleeved on the threaded rod 11 and can move on the threaded rod 11. The adjustment handle 14 is threadedly connected to the threaded rod 11 and can push the second clamping jaw 13 closer to the first clamping jaw 12. The entire scoliosis reducer is connected to the operating bed through the first clamping jaw 12 and the second clamping jaw 13.

[0038] In this embodiment, connecting blocks 213 are provided at both ends of the first connecting rod, and the connecting blocks 213 are respectively connected to the first threaded rods 11. This structure is connected on an operating table through two connecting mechanisms 1, making the installation of the scoliosis reducer more stable.

[0039] In this embodiment, the first clamping jaw 12 is installed on the end of the first threaded rod 11 through a locking member, and the first clamping jaw 12 is removable and replaceable; a fourth spring 15 is sleeved on the first threaded rod 11, a section of the fourth spring 15 is fixed on the first threaded rod 11, the fourth spring 15 is located in the inner cavity of the second clamping jaw 13, and the other end of the fourth spring 15 is fixedly connected to the inner cavity of the second clamping jaw 13. When the adjustment handle 14 is rotated upward, the second clamping jaw 13 automatically rebounds, which is convenient for operation.

[0040] In this embodiment, the first threaded rod 11 and the connecting block 213 are detachably connected.

[0041] The above-mentioned specific embodiments are only specific cases of the present invention. The patent protection scope of the present invention includes but is not limited to the product form and style of the above-mentioned specific embodiments. Any appropriate changes or modifications made to them by ordinary technicians in the relevant technical field in accordance with the claims of the present invention shall fall within the patent protection scope of the present invention.

Claims

1. A scoliosis reducer, characterized in that: include: A connecting mechanism, the connecting mechanism being detachably connected to the operating table; A height adjustment mechanism, the height adjustment mechanism comprising a first static component, a first dynamic component, and a first adjustment component, wherein one end of the first static component is connected to the connecting mechanism, the first dynamic component is movably mounted on the first static component along an extension direction of the first static component, and the first adjustment component is disposed between the first dynamic component and the first static component, and the first adjustment component is capable of locking the first dynamic component to the first static component; The length adjustment mechanism includes a second static component, a second dynamic component, a second adjustment component and a push head. The second static component is connected to the first dynamic component. The second dynamic component is movably installed on the second static component along the extension direction of the second static component. A second adjustment component is arranged between the second dynamic component and the second static component. The second adjustment component can lock the second dynamic component on the second static component. A push head is arranged at one end of the second dynamic component.

2. A scoliosis reducer according to claim 1, characterized in that: The first static component includes a first connecting rod, which is provided with a first through-hole; the first dynamic component includes a first one-way gear rod, which passes through the first through-hole; the first adjustment component includes a first button and a first spring, and the first connecting rod is provided with a first accommodating groove that intersects with the first through-hole, and the first spring is installed at the bottom of the first accommodating groove, one end of the first spring is connected to the first button, and the first button is accommodated in the first accommodating groove and partially extends out of the first accommodating groove under the action of the spring, and the first button is provided with a second through-hole for the first one-way gear rod to pass through, and the second through-hole is provided with a first limiting tooth that can engage with the one-way tooth on the first one-way gear rod.

3. The scoliosis reducer according to claim 1, characterized in that: The second static component includes a second one-way gear rod, and the second dynamic component is a sliding rod sleeved on the outside of the second one-way gear rod. The sliding rod is provided with an opening for installing the second adjustment component. The second adjustment component includes a button and a second spring. The button is hinged in the opening. One end of the button abuts against the teeth of the second one-way gear rod, and the other end of the button is connected to one end of the second spring. The other end of the second spring is connected to the sliding rod. When the button is pressed, the second spring is compressed and the button disengages from the second one-way gear rod.

4. The scoliosis reducer according to claim 3, characterized in that: The sliding rod is provided with a second receiving groove, in which a gear is hinged. The teeth of the gear are engaged with the teeth of the second one-way gear rod. One end of the gear is connected to a driving knob extending from the second receiving groove.

5. The scoliosis reducer according to claim 3, characterized in that: A long guide slot is provided on the second one-way gear rod in an extended extension direction, and a guide rod passing through the long guide slot is provided on the sliding rod.

6. A scoliosis reducer according to claim 1 or 3, characterized in that: The second moving component is provided with a push head connecting mechanism, which includes a third spring and a third button. A third accommodating groove is provided on the second moving component, one end of the third spring is fixed to the third accommodating groove, and the other end of the third spring is connected to the third button. The third button partially extends out of the third accommodating groove under the action of the spring; one end of the push head is sleeved on the end of the second moving component, and a through hole is provided on the push head to match the third button.

7. The scoliosis reducer according to claim 2, characterized in that: The connecting mechanism includes a threaded rod, a first clamping jaw, a second clamping jaw and an adjusting handle. One end of the threaded rod is connected to the first connecting rod, and the other end of the threaded rod is fixed with the first clamping jaw. The second clamping jaw is sleeved on the threaded rod and can move on the threaded rod. The adjusting handle is threadedly connected to the threaded rod and can push the second clamping jaw closer to the first clamping jaw.

8. The scoliosis reducer according to claim 7, characterized in that: Connecting blocks are provided at both ends of the first connecting rod, and the connecting blocks are respectively connected to the first threaded rods.

9. A scoliosis reducer according to claim 7 or 8, characterized in that: The first clamping jaw is installed on the end of the first threaded rod through a locking piece; a fourth spring is sleeved on the first threaded rod, a section of the fourth spring is fixed on the first threaded rod, the fourth spring is located in the inner cavity of the second clamping jaw, and the other end of the fourth spring is fixedly connected to the inner cavity of the second clamping jaw.

10. A scoliosis reducer according to claim 7, 8 or 9, characterized in that: The first threaded rod is detachably connected to the connecting block.

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