Auxiliary fixing device for craniocervical shoulder surgery

Abstract

The invention provides an auxiliary fixing device for craniocervical shoulder surgery, and relates to the technical field of medical instruments.The auxiliary fixing device for craniocervical shoulder surgery comprises an adjusting supporting device, a head fixing device, a shoulder fixing device and a neck fixing device, and the adjusting supporting device is detachably arranged on a bed frame of an operating bed; the head fixing device is arranged on the adjusting and supporting device, the shoulder fixing device is arranged on the head fixing device, and the adjusting and supporting device can adjust the relative position of the head fixing device and the shoulder fixing device; the neck fixing device is arranged on the table top of the operating bed; the head fixing device, the shoulder fixing device and the neck fixing device are combined into a whole, on one hand, the device is suitable for different body positions of a patient and convenient to use, on the other hand, the head, the shoulders and the neck of the patient can be fixed at the same time, fixing is stable, the screw placement risk in the spinal surgery robot surgery is reduced, and the surgery effect is effectively guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and particularly relates to a cranio-cervico-scapular surgical assistant fixing device. Background Art

[0002] The internal fixation methods of the cervical vertebra mainly include lateral mass fixation and pedicle fixation. The pedicle is a hard bony structure connecting the front and back parts of the spine. The pedicle screw fixation can penetrate the three columns of the spine and has three-dimensional stability and strength that cannot be compared with other cervical vertebra fixation methods. However, due to the individual variation of the cervical pedicle and the adjacent important vascular and nerve structures, the placement of the screw is dangerous and difficult. During the process of placing cervical vertebra screws using a spinal surgical robot, the fixation of the head, neck, and shoulder is an important factor increasing the specified risk.

[0003] Therefore, there is an urgent need to invent a fixing device that can firmly support the patient's head, neck, and shoulder. Summary of the Invention

[0004] The purpose of the present invention is to provide a cranio-cervico-scapular surgical assistant fixing device to solve the above technical problems existing in the prior art; the preferred technical solutions provided by the present invention can produce many technical effects; see the following for details.

[0005] To achieve the above purpose, the present invention provides the following technical solutions: A cranio-cervico-scapular surgical assistant fixing device provided by the present invention includes an adjustment support device, a head fixing device, a shoulder fixing device, and a neck fixing device, wherein: the adjustment support device is detachably arranged on the bed frame of the operating bed; the head fixing device is arranged on the adjustment support device, the shoulder fixing device is arranged on the head fixing device, and the adjustment support device can adjust the relative positions of the head fixing device and the shoulder fixing device; the neck fixing device is arranged on the tabletop of the operating bed.

[0006] Preferably, the adjustment support device includes a support mechanism, and the support mechanism includes a support rod and two end arm assemblies arranged on the support rod, wherein: the support rod is horizontally arranged; the end arm assembly includes an end arm bracket and an installation end arm, the end arm bracket is fixedly sleeved on the support rod, and the installation end arm is fixedly arranged on the end arm bracket and is detachably connected to the bed frame of the operating bed.

[0007] Preferably, the adjusting and supporting device includes an adjusting mechanism arranged on the support rod. The adjusting mechanism includes a vertical adjusting component and a horizontal adjusting component, where: the vertical adjusting component includes a plurality of adjusting arms rotatably connected in sequence along a vertical plane, and the adjusting arm located at the topmost position is set as the top adjusting arm; the horizontal adjusting component includes a torsion seat and a torsion table. The torsion seat is rotatably arranged on the top adjusting arm along the horizontal plane direction, the torsion table is arranged on the torsion seat, and the head fixing device is arranged on the torsion table. The head fixing device, the torsion table and the torsion seat rotate synchronously.

[0008] Preferably, the head fixing device includes a head clamp mechanism and a skull nail mechanism, where: the head clamp mechanism is fixedly arranged on the torsion table; the skull nail mechanism includes a first head nail component and a second head nail component. The first head nail component and the second head nail component are oppositely arranged on the head clamp mechanism. The first head nail component includes a movable arm and first head nails arranged at both ends of the movable arm. The middle position of the movable arm is rotatably connected to the head clamp mechanism.

[0009] Preferably, the head clamp mechanism includes a fixed head clamp, a movable head clamp and a locking component, where: the fixed head clamp is fixedly connected to the torsion table, the movable head clamp is movably arranged on the fixed head clamp, the first head nail component and the second head nail component are respectively arranged on the movable head clamp and the fixed head clamp, and the locking component is arranged on the fixed head clamp and can lock the position of the movable head clamp relative to the fixed head clamp.

[0010] Preferably, the torsion table is detachably connected to the torsion seat. The head fixing device includes an external thoracic fixation mechanism. The external thoracic fixation mechanism includes a connection component and an external thoracic fixation component, where: the connection component includes two connection brackets, and the two connection brackets are detachably arranged on both sides of the head clamp mechanism; the external thoracic fixation component includes a support frame component and an external thoracic fixation plate component. The number of the support frame components is set to two, and the two support frame components are respectively connected to the two connection brackets. The external thoracic fixation plate component includes a front chest fixation plate and a back fixation plate arranged oppositely. Both sides of the front chest fixation plate are respectively connected to the two support frame components, and both sides of the back fixation plate are respectively connected to the two support frame components. A binding band is connected between the front chest fixation plate and the back fixation plate.

[0011] Preferably, the shoulder fixing device includes two shoulder fixing mechanisms, which are respectively detachably arranged on both sides of the head clamping mechanism; each shoulder fixing mechanism includes a mounting component, a telescopic rod component and a shoulder pad component. The mounting component is rotatably connected to the head clamping mechanism. The telescopic rod component is arranged on the mounting component, and the telescopic end of the telescopic rod component is connected to the shoulder pad component.

[0012] Preferably, mounting parts are arranged on both sides of the head clamping mechanism. The connecting component and the mounting component are both adapted to the mounting parts, and both the connecting component and the mounting component can be detachably connected to the mounting parts.

[0013] Preferably, the shoulder pad component includes a shoulder pad support plate, which is provided with a concave groove for supporting the shoulder. A medical buffer pad is arranged in the concave groove; the medical buffer pad includes at least one of medical memory foam, medical silicone or shape memory alloy provided with a medical polymer coating.

[0014] Preferably, the neck fixing device is arranged as a neck shaping pillow, which is fixedly arranged on the tabletop of the operating bed.

[0015] The cranio-cervico-shoulder surgical auxiliary fixing device provided by the present invention has at least the following beneficial effects: The cranio-cervico-shoulder surgical auxiliary fixing device includes an adjusting and supporting device, a head fixing device, a shoulder fixing device and a neck fixing device. The adjusting and supporting device can stably support the head fixing device and the shoulder fixing device. The combination of the head fixing device, the shoulder fixing device and the neck fixing device can fix the patient's head, shoulders and neck simultaneously.

[0016] The adjusting and supporting device is detachably arranged on the bed frame of the operating bed. In this way, connecting the cranio-cervico-shoulder surgical auxiliary fixing device to the operating bed can assist the spinal surgical robot in spinal nail placement.

[0017] The head fixing device is arranged on the adjusting support mechanism, and the shoulder fixing device is arranged on the head fixing device. During use, the relative positions of the head fixing device and the shoulder fixing device can be adjusted through the adjusting and supporting device, so as to ensure the head support effect and the shoulder support effect; the shoulder fixing device is arranged on the tabletop of the operating bed to support the patient's shoulders.

[0018] The present invention combines the head fixing device, the shoulder fixing device and the neck fixing device into one. On the one hand, it is suitable for different body positions of patients and is convenient to use. On the other hand, it can fix the patient's head, shoulders and neck simultaneously, with firm fixation, reducing the risk of nail placement during the operation of the spinal surgical robot and effectively ensuring the surgical effect. Description of the Drawings

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0020] Figure 1 is a schematic structural diagram of a perspective of the present invention; Figure 2 is a schematic structural diagram of another perspective of the present invention; Figure 3 is a schematic structural diagram of a perspective of the adjustment support device, headrest mechanism and cranial nail mechanism of the present invention; Figure 4 is a schematic structural diagram of another perspective of the adjustment support device, headrest mechanism and cranial nail mechanism of the present invention; Figure 5 is an installation schematic diagram of the head fixing device and the adjustment support device of the present invention; Figure 6 is a schematic structural diagram of the headrest mechanism, cranial nail mechanism and chest external fixation mechanism of the present invention Figure 7 is a schematic structural diagram of the shoulder fixing device installed on the head clamp mechanism; Figure 8 is an enlarged view of part A of the present invention.

[0021] Reference numerals 1. Adjustment support device; 11. Support rod; 12. End arm assembly; 121. End arm bracket; 122. Mounting end arm; 13. Vertical adjustment assembly; 131. Adjustment arm; 1311. Top adjustment arm; 14. Horizontal adjustment assembly; 141. Torsion seat; 142. Torsion table; 143. Insertion part; 2. Head fixing device; 21. Head clamp mechanism; 211. Fixed head clamp; 212. Movable head clamp; 213. Locking assembly; 22. Cranial nail mechanism; 221. First head nail assembly; 2211. First head nail; 2212. Movable arm; 222. Second head nail assembly; 23. Chest external fixation mechanism; 231. Connection assembly; 232. Support frame assembly; 233. Rear back fixing plate; 234. Front chest fixing plate; 235. Binding strap; 3. Shoulder fixing device; 31. Mounting assembly; 32. Telescopic rod assembly; 33. Shoulder pad assembly; 331. Shoulder pad support plate; 332. Medical buffer pad; 4. Neck fixing device; 41. Neck shaping pillow; 5. Operating table. Detailed embodiments

[0022] To make the objectives, technical solutions and advantages of the present invention more clear, the technical solutions of the present invention will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other implementation manners obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts fall within the scope protected by the present invention.

[0023] Embodiment 1: The present invention provides a cranio-cervico-scapular surgical assistance fixation device. As shown in Figures 1 to 8 the figure, the cranio-cervico-scapular surgical assistance fixation device includes an adjustment support device 1, a head fixation device 2, a shoulder fixation device 3, and a neck fixation device 4.

[0024] The adjustment support device 1 is detachably arranged on the frame of the operating table 5; the head fixation device 2 is arranged on the adjustment support device 1, the shoulder fixation device 3 is arranged on the head fixation device 2, and the adjustment support device 1 can adjust the relative positions of the head fixation device 2 and the shoulder fixation device 3; the neck fixation device 4 is arranged on the tabletop of the operating table 5.

[0025] During use, the adjustment support device 1 is installed on the frame of the operating table 5. The patient lies prone or supine on the tabletop of the operating table 5 according to actual needs. The surgeon adjusts the relative positions of the head fixation device 2 and the shoulder fixation device 3 through the adjustment support device 1, so that the head fixation device 2 and the shoulder fixation device 3 respectively fix the patient's head and shoulders, and the neck fixation device 4 fixes the patient's neck.

[0026] In the above process, the adjustment support device 1 can be installed on the operating table 5, which not only facilitates better meeting the requirements of the surgeon for the patient's body position, but also is connected to the operating table and can assist the spinal surgical robot in performing spinal nail placement.

[0027] The head fixation device 2, the shoulder fixation device 3, and the neck fixation device 4 cooperate with each other. On the one hand, they can be suitable for various body positions of the patient and are convenient to use. On the other hand, they can fix the patient's head, shoulders, and neck simultaneously, with firm fixation, thus effectively ensuring the surgical effect.

[0028] Embodiment 2: Embodiment 2 is based on Embodiment 1: As Figures 1 to 8 shown in the figure, the adjustment support device 1 includes a support mechanism. The support mechanism includes a support rod 11 and end arm assemblies 12. The number of end arm assemblies 12 is set to two, and both end arm assemblies 12 are arranged on the support rod 11.

[0029] The support rod 11 is horizontally arranged.

[0030] The end arm assembly 12 includes an end arm bracket 121 and a mounting end arm 122. The end arm bracket 121 is fixedly sleeved on the support rod 11. The mounting end arm 122 is fixedly arranged on the end arm bracket 121. There is a mounting pipe fitting on the bed frame of the operating bed 5. The end arm bracket 121 is adapted to the mounting pipe fitting and is detachably connected to the mounting pipe fitting.

[0031] The end arm bracket 121 includes a fixedly sleeved part and a connecting arm which are integrally arranged. A fixing hole is penetrated through the fixedly sleeved part. The support rod 11 is dimensionally matched with the fixing hole. The support rod 11 passes through the fixing hole and is in sliding fit with the fixing hole. A threaded pressing member is rotatably arranged on the fixedly sleeved part. When the threaded pressing member rotates, it can abut against the support rod 11, so as to lock the position of the end arm bracket 121 and the support rod 11.

[0032] With this structure, during actual use, according to actual needs, by adjusting the position of the end arm bracket 121 on the support rod 11, the horizontal position adjustment of the head fixing device 2 and the shoulder fixing device 3 can be realized.

[0033] As an optional implementation manner, the adjusting support device 1 includes an adjusting mechanism arranged on the support rod 11. The adjusting mechanism includes a vertical adjusting component 13 and a horizontal adjusting component 14.

[0034] The vertical adjusting component 13 includes a plurality of adjusting arms 131 which are sequentially rotatably connected along a vertical plane. Specifically, the vertical adjusting component 13 has three adjusting arms 131. The adjusting arm 131 at the lowest side position is fixedly installed on the support rod 11, and the adjusting arm 131 at the topmost side position is set as the top adjusting arm 1311.

[0035] Optionally, a frameless torque motor is arranged at the connection position of two adjacent adjusting arms 131. In this way, the automatic adjustment of the angle between two adjacent adjusting arms 131 can be realized.

[0036] Another option is that two adjacent adjusting arms 131 are hinged, and a threaded locking component is arranged at the hinged position, which can manually adjust and lock the angle between two adjacent adjusting arms 131.

[0037] The vertical adjusting component 13 adopts a multi-adjusting arm structure, which can realize the adjustment of the height and the front-back distance of the head fixing device 2 and the shoulder fixing device 3.

[0038] The horizontal adjusting component 14 includes a torsion base 141 and a torsion table 142. The torsion base 141 is rotatably arranged on the top adjusting arm 1311 along the horizontal plane direction. The torsion table 142 is arranged on the torsion base 141. The head fixing device 2 is arranged on the torsion table 142. The head fixing device 2, the torsion table 142 and the torsion base 141 rotate synchronously.

[0039] The horizontal adjustment assembly 14 enables the adjustment of the horizontal torsion angles of the head fixing device 2 and the shoulder fixing device 3.

[0040] Optionally, the torsion base 141 is fixedly provided with an electric drive mechanism, and its output end is connected to the torsion table 142, so that the automatic rotation of the torsion table 142 can be realized.

[0041] Another option is that the torsion table 142 is hinged to the torsion base 141, and a threaded locking assembly is provided at the hinged position, which can manually adjust and lock the rotation angle of the torsion table 142 relative to the torsion base 141.

[0042] As an optional implementation manner, the head fixing device 2 includes a head clamp mechanism 21 and a skull nail mechanism 22.

[0043] The head clamp mechanism 21 is fixedly arranged on the torsion table 142 and rotates synchronously with the torsion table 142.

[0044] The skull nail mechanism 22 includes a first head nail assembly 221 and a second head nail assembly 222. The first head nail assembly 221 and the second head nail assembly 222 are oppositely arranged on the head clamp mechanism 21.

[0045] The first head nail assembly 221 includes a movable arm 2212 and a first head nail 2211. The middle position of the movable arm 2212 is hinged to the head clamp mechanism 21. The number of the first head nails 2211 is set to two, and the two first head nails 2211 are respectively arranged at both ends of the movable arm 2212. The first head nails 2211 can feed or retreat axially.

[0046] The second head nail assembly 222 includes a second head nail, and the second head nail is arranged on the head clamp mechanism 21, and the second head nail can feed or retreat axially.

[0047] The head clamp mechanism 21 and the skull nail mechanism 22 form a three-nail head frame, and the head frame structure is simple, and the surgical area is not blocked by the head frame.

[0048] In the actual application process, a four-nail head frame or other multi-nail head frames can also be adopted.

[0049] As an optional implementation manner, the head clamp mechanism 21 includes a fixed head clamp 211, a movable head clamp 212 and a locking assembly 213.

[0050] The head clamp mechanism 21 is U-shaped, C-shaped or V-shaped, and preferably U-shaped.

[0051] The fixed head clamp 211 is fixedly connected to the torsion table 142. The movable head clamp 212 is movably inserted into the fixed head clamp 211. The first staple component 221 and the second staple component 222 are respectively arranged on the movable head clamp 212 and the fixed head clamp 211. The locking component 213 is arranged on the fixed head clamp 211 and can lock the position of the movable head clamp 212 relative to the fixed head clamp 211. The locking component 213 can adopt a screw locking component.

[0052] The fixed head clamp 211, the movable head clamp 212 and the locking component 213 cooperate with each other to be able to adjust the distance between the first staple component 221 and the second staple component 222, which is applicable to patients with different needs or different body types.

[0053] In the actual application process, an electric drive component can also be adopted. Its output end is connected to the movable head clamp 212 through a gear-rack component. In this way, the automatic adjustment of the distance between the staple components can be realized.

[0054] As an optional implementation manner, the torsion table 142 is detachably connected to the torsion seat 141.

[0055] Specifically, a non-circular insertion part 143 is arranged at the top of the torsion seat 141, and a fitting groove adapted to the insertion part 143 is arranged at the bottom of the torsion seat 141. The torsion seat 141 is inserted into the torsion table 142. To further improve the connection firmness between the torsion seat 141 and the torsion table 142, special-shaped magnets can be respectively arranged on the torsion seat 141 and the torsion table 142, thereby realizing the adsorption connection between the two.

[0056] The head fixing device 2 includes an external chest fixing mechanism 23, and the external chest fixing mechanism 23 includes a connection component 231 and an external chest fixing component.

[0057] The connection component 231 includes two connection brackets, and the two connection brackets are detachably arranged on both sides of the head clamp mechanism 21.

[0058] The external chest fixing component includes a support frame component 232 and an external chest fixing plate component. The number of the support frame components 232 is set to two, and the two support frame components 232 are respectively connected to the two connection brackets.

[0059] Specifically, the support frame component 232 includes a vertical connection column, a horizontal connection beam and a vertical support rod. The top end of the vertical support column is fixedly arranged on the corresponding connection bracket. The bottom end of the vertical support column is provided with a first clamping structure, and the first clamping structure is clamped and installed at the middle position of the horizontal connection beam. Two second clamping structures are symmetrically arranged on the horizontal connection beam, and the second clamping structures clamp and arrange the vertical support rod. The bottom end of the vertical support rod is connected to the external chest fixing plate component.

[0060] The external thoracic fixation plate assembly includes a front thoracic fixation plate 234 and a rear thoracic fixation plate 233 which are arranged oppositely. Two sides of the front thoracic fixation plate 234 are respectively connected to two support frame assemblies 232, and two sides of the rear thoracic fixation plate 233 are respectively connected to the two support frame assemblies 232. A binding strap 235 is connected between the front thoracic fixation plate 234 and the rear thoracic fixation plate 233.

[0061] During actual use, the external thoracic fixation mechanism 23 is mainly used for the treatment of cervical spine injuries, deformities, etc., and can provide stable cervical spine fixation, enabling the patient to get out of bed and move early.

[0062] As an optional implementation manner, the shoulder fixation device 3 includes two shoulder fixation mechanisms, and the two shoulder fixation mechanisms are respectively arranged on two sides of the head clamping mechanism 21; The shoulder fixation mechanism includes a mounting assembly 31, a telescopic rod assembly 32 and a shoulder pad assembly 33. The mounting assembly 31 is rotatably connected to the head clamping mechanism 21. The telescopic rod assembly 32 is arranged on the mounting assembly 31, and the telescopic end of the telescopic rod assembly 32 is connected to the shoulder pad assembly 33.

[0063] The mounting assembly 31 includes a mounting block. The mounting block is fixedly arranged on one side of the head clamping mechanism 21. A guiding hole is penetrated through the mounting block. The telescopic rod assembly 32 includes a threaded rod and a rotating nut. The bottom end of the threaded rod passes through the guiding hole and is ball-head connected to the shoulder pad assembly 33. The rotating nut is rotatably arranged on the mounting block. The rotating nut, the guiding hole and the threaded rod are coaxially arranged. The threaded rod passes through the rotating nut and is in threaded cooperation with the rotating nut.

[0064] During actual use, by rotating the rotating nut, the threaded rod axially moves, so that the shoulder pad assembly 33 presses tightly against the patient's shoulder, and the shoulder fixation effect is remarkable.

[0065] As an optional implementation manner, mounting parts are arranged on two sides of the head clamping mechanism 21. The connecting component 231 and the mounting assembly 31 are both adapted to the mounting parts, and the connecting component 231 and the mounting assembly 31 can both be detachably connected to the mounting parts.

[0066] Optionally, the mounting part is arranged as a mounting stud, and the connecting component 231 and the mounting assembly 31 both include mounting nuts, and the connection with the mounting stud is realized through the mounting nuts.

[0067] As an optional implementation manner, the shoulder pad assembly 33 includes a shoulder pad support plate. The shoulder pad support plate is provided with a concave groove for supporting the shoulder, and a medical buffer pad 332 is arranged in the concave groove.

[0068] The medical buffer pad 332 includes at least one of medical memory foam, medical silicone, or shape memory alloy provided with a medical polymer coating.

[0069] The medical memory foam is soft and comfortable in texture, has a buffering effect, and can relieve the compression of pressure points on the skin. It can disperse pressure and reduce pressure injuries caused by long-term fixation. In practical applications, an antibacterial coating can be applied to it to prevent infection.

[0070] The medical silicone is soft, elastic, not prone to causing allergies, has good biocompatibility, and at the same time its surface is smooth, has little irritation to the skin, can reduce friction damage, is also resistant to high temperatures and can be disinfected, is suitable for a sterile environment, and to a certain extent has the ability to deform and protect the skin, and can better fit the shoulder curve of the patient.

[0071] The shape memory alloy with a medical polymer layer can be disinfected, has good corrosion resistance and biocompatibility, and combines the respective advantages of the shape memory alloy and the medical polymer layer. The shape memory alloy has good mechanical properties and can return to its original state at a specific temperature, which is suitable for personalized adjustment, while the medical polymer layer has better comfort and can reduce the direct compression of hard materials on the skin.

[0072] In the process of actual application, a pressure sensor can be arranged in the concave groove to measure the pressure, so as to facilitate the operator to accurately control the force on the shoulder.

[0073] As an optional implementation manner, the neck fixing device 4 is set as a neck shaping pillow 41, and the neck shaping pillow 41 is fixedly arranged on the tabletop of the operating bed 5.

[0074] When in use, the patient's neck is placed on the neck shaping pillow 41, and then the air in the neck shaping pillow 41 is extracted by a suction device, thereby completing the shaping and realizing the fixation of the patient's neck, and the fixation effect is remarkable.

[0075] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0076] In addition, the terms "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of this application, the meaning of "a plurality" and "several" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0077] In this application, unless otherwise clearly specified and defined, terms such as "installed", "connected", "joined", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal connection of two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0078] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of changes or substitutions, which should all be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claimed rights.

Claims

1. A cranio-cervico-shoulder surgical assistance fixation device, characterized in that, It includes an adjustment support device, a head fixation device, a shoulder fixation device, and a neck fixation device, wherein: The adjustment support device is detachably arranged on the bed frame of the operating table; The head fixation device is arranged on the adjustment support device, the shoulder fixation device is arranged on the head fixation device, and the adjustment support device can adjust the relative positions of the head fixation device and the shoulder fixation device; The neck fixation device is arranged on the tabletop of the operating table.

2. The cranio-cervical-shoulder surgical assistance fixation device according to claim 1, characterized in that The adjustment support device includes a support mechanism, and the support mechanism includes a support rod and two end arm assemblies arranged on the support rod, wherein: The support rod is horizontally arranged; The end arm assembly includes an end arm bracket and a mounting end arm. The end arm bracket is fixedly sleeved on the support rod, and the mounting end arm is fixedly arranged on the end arm bracket and is detachably connected to the bed frame of the operating table.

3. The cranio-cervical-shoulder surgical assistance fixation device according to claim 2, wherein, The adjustment support device includes an adjustment mechanism arranged on the support rod, and the adjustment mechanism includes a vertical adjustment component and a horizontal adjustment component, wherein: The vertical adjustment component includes a plurality of adjustment arms that are sequentially rotatably connected along a vertical plane. The adjustment arm located at the topmost position is set as the top adjustment arm; The horizontal adjustment component includes a torsion base and a torsion table. The torsion base is rotatably arranged on the top adjustment arm along the horizontal plane direction. The torsion table is arranged on the torsion base, and the head fixation device is arranged on the torsion table. The head fixation device, the torsion table, and the torsion base rotate synchronously.

4. The cranio-cervical-shoulder surgical assistance fixation device according to claim 3, wherein The head fixation device includes a head clamp mechanism and a skull nail mechanism, wherein: The head clamp mechanism is fixedly arranged on the torsion table; The skull nail mechanism includes a first head nail assembly and a second head nail assembly. The first head nail assembly and the second head nail assembly are oppositely arranged on the head clamp mechanism. The first head nail assembly includes a movable arm and first head nails arranged at both ends of the movable arm. The middle position of the movable arm is rotatably connected to the head clamp mechanism.

5. The cranio-cervico-scapular surgical assistance fixation device according to claim 4, characterized in that, The head clamp mechanism includes a fixed head clamp, a movable head clamp, and a locking assembly, wherein: The fixed head clamp is fixedly connected to the torsion table. The movable head clamp is movably arranged on the fixed head clamp. The first head nail assembly and the second head nail assembly are respectively arranged on the movable head clamp and the fixed head clamp. The locking assembly is arranged on the fixed head clamp and can lock the position of the movable head clamp relative to the fixed head clamp.

6. The cranio-cervical-shoulder surgical assistance fixation device according to claim 4, characterized in that, The torsion table is detachably connected to the torsion base. The head fixation device includes an external chest fixation mechanism, and the external chest fixation mechanism includes a connection component and an external chest fixation component, wherein: The connection component includes two connection brackets, and the two connection brackets are detachably arranged on both sides of the head clamp mechanism; The chest external fixation assembly includes a support frame assembly and a chest external fixation plate assembly. The number of the support frame assemblies is set to two, and the two support frame assemblies are respectively connected to the two connection brackets. The chest external fixation plate assembly includes a front chest fixation plate and a back fixation plate which are oppositely arranged. The two sides of the front chest fixation plate are respectively connected to the two support frame assemblies, and the two sides of the back fixation plate are respectively connected to the two support frame assemblies. A binding strap is connected between the front chest fixation plate and the back fixation plate.

7. The cranio-cervical-shoulder surgical assistance fixation device according to claim 6, wherein, The shoulder fixation device includes two shoulder fixation mechanisms, and the two shoulder fixation mechanisms are respectively detachably arranged on both sides of the head clamping mechanism; The shoulder fixation mechanism includes a mounting assembly, a telescopic rod assembly and a shoulder pad assembly. The mounting assembly is rotatably connected to the head clamping mechanism. The telescopic rod assembly is arranged on the mounting assembly, and the telescopic end of the telescopic rod assembly is connected to the shoulder pad assembly.

8. The cranio-cervico-shoulder surgical assistance fixation device according to claim 7, wherein, Mounting parts are arranged on both sides of the head clamping mechanism. The connection component and the mounting component are both adapted to the mounting parts, and the connection component and the mounting component can both be detachably connected to the mounting parts.

9. The cranio-cervical-shoulder surgical assistant fixing device according to claim 7, characterized in that, The shoulder pad assembly includes a shoulder pad support plate which is provided with a concave groove for supporting the shoulder, and a medical buffer pad is arranged in the concave groove; The medical buffer pad includes at least one of medical memory foam, medical silicone or shape memory alloy provided with a medical polymer coating.

10. The cranio-cervical-shoulder surgical assistance fixation device according to claim 1, wherein, The neck fixation device is set as a neck shaping pillow, and the neck shaping pillow is fixedly arranged on the tabletop of the operating bed.

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