Head and neck fixing protector

Abstract

The invention discloses a head and neck fixing protector, and relates to the technical field of neurosurgery, the head and neck fixing protector comprises two neck supports, six stretching rubber plates are arranged to limit the lower jaw of a patient, three connecting rods can drive the three stretching rubber plates to be folded, meanwhile, the stretching rubber plates and an air cushion are deformed, and the head and neck fixing protector is used for fixing the lower jaw of the patient. At the moment, the stretching rubber plate and the air cushions are stretched upwards to enable the air cushions to be tightly attached to the lower jaw and the skin above the lower jaw, the supporting ring on the other side is operated in a similar way to enable the six air cushions to be tightly attached to the lower jaw, and therefore no movement space exists between the lower jaw and the neck. The connecting rod pulls the stretching rubber plate to generate bending deformation, and the air cushion is bent outwards to enable the local part of the air cushion to be tightly attached to the lower jaw and the neck, so that the protector can be used by different people, the fixing stability and the using effect of the protector are improved, the risk of surgical treatment is reduced, and the treatment work of the neurosurgery department is facilitated.

Description

Technical Field

[0001] This invention relates to the field of neurosurgical technology, and in particular to head and neck immobilization devices. Background Technology

[0002] Neurosurgery is a branch of surgery that, based on surgery as the primary treatment method, applies unique neurosurgical research methods to study the human nervous system, such as the brain, spinal cord, and peripheral nervous system, as well as related accessory structures such as the skull, scalp, cerebral blood vessels, and meninges. It investigates injuries, inflammations, tumors, deformities, and certain genetic metabolic disorders or functional disorders, such as epilepsy, Parkinson's disease, and neuralgia, exploring their etiologies and pathogenesis. Neurosurgery is also a highly specialized and sophisticated discipline that explores new diagnostic, treatment, and preventative technologies. Neurosurgery primarily treats diseases of the brain, spinal cord, and other nervous systems caused by trauma, such as life-threatening cerebral hemorrhage, brain injuries from car accidents, or brain tumors requiring surgical intervention. During neurosurgical treatment, fixed protective structures are typically used to immobilize the head and neck, facilitating neurosurgical procedures.

[0003] Existing technologies, such as 202210062403.3, disclose a neurointerventional clinical head and neck fixation device. This document points out that during use, it can adapt to the distance between the head and neck of different patients, thus strengthening the fixation of the device. This allows the head and neck guards to match the patient, effectively solving the problem that existing fixation devices cannot be finely adjusted in height after being worn, resulting in easy movement space between the jaw and neck, which in turn causes the fixation device to move and affects the normal use effect. This greatly improves the safety of the device when facing neurointerventional treatment.

[0004] Other existing technologies include: CN106166338A, A head and neck protection device for non-head and neck radiotherapy and its molding method. CN109663222A, Head and neck fixation device for radiotherapy However, the above-mentioned and other typical existing technologies still have certain problems in use: When wearing a specialized medical positioning neck brace, the neck brace is used to position the patient's head and neck through its components. However, because the opening at the top of the neck brace is a one-piece molded design, the angle of the opening cannot be adjusted, making it difficult to meet the needs of different people. Even though the aforementioned literature indicates that the device can be height adjusted, the limited design of the neck brace opening still prevents it from fitting snugly against the jaw and neck of different people. This leaves room for movement between the jaw and neck, causing the device to loosen. This affects the stability of the device's fixation and its effectiveness, increases the treatment risk of surgery, and is therefore detrimental to neurosurgical treatment. Summary of the Invention

[0005] The purpose of this invention is to provide a head and neck fixation protector to solve the problems mentioned in the background art. Specifically, due to the limited design of the neck brace opening, it is still impossible to fit snugly against the jaw and neck of different people, resulting in a space of movement between the jaw and neck. This can cause the device to loosen, affecting the stability of the device's fixation and its effectiveness, increasing the treatment risk of surgery, and thus hindering neurosurgical treatment.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a head and neck fixation protector, comprising two neck braces, which are fixed together by two clamps located on the upper and lower sides of the neck braces respectively. The top of each neck brace is hinged to a compression assembly via three pins. One side of each of the three compression assemblies is hinged to a support assembly via a pin. The support assembly overlaps with the neck brace. Two sliding grooves are formed on the outside of the neck brace, and the support assembly is slidably connected within these grooves. A positioning assembly is engaged with the support assembly. A groove is provided between the two sliding grooves, located on the outside of the neck brace. Several slots are formed on the inner wall of the groove, and the engaging assembly is engaged within one of these slots. A slide rail is formed below the outside of the neck brace, and an adjustment assembly is slidably connected within the slide rail. A bracket is fixedly connected to the bottom of the adjustment assembly.

[0007] By adopting the above technical solution, the support component is positioned to prevent the compression component from deflecting, which meets the needs of different groups of people, improves the stability and effectiveness of the protector, and reduces the risk of surgical treatment.

[0008] As a preferred embodiment of the present invention, the extrusion assembly includes a stretching rubber plate, which is fan-shaped and the included angle between two adjacent stretching rubber plates is 60 degrees. An air cushion is provided on the inner side of the stretching rubber plate, and two adjacent stretching rubber plates are connected by an elastic band and a stretching cotton strip.

[0009] By adopting the above technical solution: the stretching rubber plate and the air cushion deform, and at this time the stretching rubber plate and the air cushion are stretched upward, so that the air cushion is in close contact with the lower jaw and the skin above, thus improving the positioning effect; in conjunction with the setting of elastic band and stretching cotton strip, it is difficult for large-angle deflection to occur between the stretching rubber plates.

[0010] As a preferred embodiment of the present invention, the support assembly includes a support ring, the inner wall of which overlaps with the neck brace, and the top of the support ring is hinged to a connecting rod by three pins. The top of the connecting rod is hinged to the outer side of a tension rubber plate by a pin, and the tension rubber plate will stretch under force and stretch the air cushion.

[0011] By adopting the above technical solution, the air cushion and the tension rubber plate can deform to different degrees according to the force applied, and can adaptively adjust according to the shape of the patient's jaw, further improving the fixation effect on the patient's neck.

[0012] As a preferred embodiment of the present invention, both ends of the support ring are fixedly connected to sliders, which are slidably connected in the groove. Both the sliders and the groove are T-shaped.

[0013] By adopting the above technical solution, the mutual cooperation between the slider and the slide groove, and the fact that both the slider and the slide groove are T-shaped, the support ring will not shake and will be more stable during the movement, while the slider will not detach from the slide groove.

[0014] As a preferred embodiment of the present invention, the positioning component includes a sliding sleeve that is engaged with a support ring. A locking rod is slidably connected inside the sliding sleeve. A pull plate is fixed to one end of the locking rod away from the support ring, and the other end of the locking rod is engaged with a slot.

[0015] By adopting the above technical solution, the sliding sleeve can limit the movement of the locking rod, preventing it from deflecting during movement and improving the stability of locking rod positioning.

[0016] As a preferred embodiment of the present invention, the clamp rod is fitted with a second spring. One end of the second spring is fixed to the support ring, and the other end of the second spring is fixedly connected to one side of the pull plate. A pull ring is provided on the side of the pull plate away from the second spring. The end of the clamp rod that is embedded in the groove is designed to be inclined, and the groove is adapted to the shape of the clamp rod.

[0017] By adopting the above technical solution: the support ring drives the locking rod to slide upward in the groove, and the elastic force of the second spring supports it to be locked into the slot, so that the support ring and the connecting rod no longer move, thus achieving the purpose of limiting the six air cushions; when adjusting the size of the opening between the six tension rubber plates, the support ring is pushed upward, so that the support ring moves upward. Since one end of the locking rod is designed to be inclined, the support ring does not need to be manually pulled to pull the plate when it moves upward, so that the locking rod can slide upward in the groove, improving the convenience of operation.

[0018] As a preferred embodiment of the present invention, the adjustment component includes a slide cylinder, which is sleeved outside the neck brace. A slide plate is fixedly connected to the inner wall of the slide cylinder, and the slide plate is slidably connected to a slide rail. The bottom of the slide plate is fixedly connected to the bottom of the slide rail by a plurality of springs.

[0019] By adopting the above technical solution: the six air cushions at the top are close to the lower jaw, providing a reverse support force to the slide and bracket. Combined with the support of multiple springs at the bottom of the slide, the bracket is kept close to the lower neck, further improving the effectiveness of the protective device. Since the bracket and slide can move up and down, they can provide a certain support and cushioning effect for the patient's neck, preventing neck strain caused by the patient's stress response.

[0020] As a preferred embodiment of the present invention, both ends of the slide plate are fixedly connected to limit blocks, both sides of the inner wall of the slide rail are provided with limit holes, the limit blocks are slidably connected in the limit holes, and the bracket is designed as an inverted cone with protruding sides at the bottom.

[0021] By adopting the above technical solution, the sliding plate can drive the limiting block to slide within the limiting hole during the movement. The limiting hole plays a role in limiting the limiting block and the sliding plate block, preventing the sliding cylinder from falling off the slide rail and affecting the use effect of the bracket, and improving the support stability.

[0022] Compared with the prior art, the beneficial effects of the present invention are: 1. This invention uses six stretching rubber plates to limit the patient's lower jaw. Adjusting the size of the openings between the six stretching rubber plates allows the support ring to be pushed upwards. As the support ring moves upwards, it causes the three connecting rods to deflect at an angle. This allows the three connecting rods to bring the three stretching rubber plates together, simultaneously deforming the stretching rubber plates and air cushions. At this point, the stretching rubber plates and air cushions are stretched upwards, causing the air cushions to fit tightly against the lower jaw and the skin above. Similarly, operating the other support ring causes the locking rod to slide upwards within the groove, and the elastic force of spring two supports it, causing it to engage in the locking slot, thus limiting the six air cushions. The purpose of positioning is to ensure that the six air cushions fit snugly against the lower jaw, thus eliminating any space for movement between the jaw and neck. When the opening between the six air cushions is enlarged, the pull plate is pulled outwards. The pull plate causes the locking rod to disengage from the slot, and dragging the pull plate downwards causes the support ring to pull the three connecting rods. The connecting rods stretch and bend the rubber plate, causing the air cushions to bend outwards so that they can fit snugly against the jaw and neck. The locking rod then engages with the slot, thus achieving the purpose of positioning the air cushions. Therefore, this design can meet the needs of different users, improve the stability and effectiveness of the device, reduce the risks of surgical treatment, and benefit neurosurgical procedures.

[0023] 2. This invention uses a bracket to support the area below the neck. The bracket has an inverted conical design with protruding sides at the bottom, which limits the bracket's position and prevents it from deflecting at an angle, thus ensuring the stability of the protector. Since the bracket is fixed to the slide cylinder, and the slide plate on the cylinder is positioned within a slide rail, the cylinder and bracket can move up and down. Six air cushions at the top, pressed against the chin, provide a counter-supporting force to the cylinder and bracket. Combined with the support of multiple springs at the bottom of the slide plate, the bracket remains firmly against the area below the neck, further enhancing the protector's effectiveness. Because the bracket and slide can move up and down, they provide support and cushioning for the patient's neck, preventing neck strain caused by stress reactions and improving the safety of the protector.

[0024] 3. This invention provides support for the jawline with six air cushions. The air cushions and tension rubber plates deform to varying degrees according to the applied force, adapting to the shape of the patient's jaw to further enhance neck fixation without causing discomfort. The use of elastic bands and stretching cotton strips prevents large-angle deflections between the tension rubber plates. Force transmission prevents the air cushions on the six tension rubber plates from slipping off the jawline, improving stability. The interplay between the slider and the slide groove, both with a T-shaped design, ensures the support ring moves smoothly and stably, preventing the slider from detaching from the slide groove. The sliding plate moves, causing the limiting block to slide within the limiting hole, which limits the movement of the limiting block and sliding plate, preventing the slide cylinder from detaching from the slide rail and affecting the bracket's performance, thus improving support stability. Attached Figure Description

[0025] Figure 1 This is a three-dimensional structural schematic diagram of the present invention; Figure 2 This is a schematic diagram of the structure of the present invention viewed from below; Figure 3 This is a schematic diagram of the cross-section of the present invention; Figure 4 This is a schematic diagram of the structure of the support component of the present invention; Figure 5 This is a schematic diagram of the positioning component of the present invention; Figure 6 This is a schematic diagram of the connection between the neck brace and the bracket of the present invention; Figure 7 For the present invention Figure 4 Enlarged structural diagram at point A in the middle.

[0026] In the diagram: 1. Neck brace; 2. Compression assembly; 201. Tension rubber plate; 202. Air cushion; 3. Elastic band; 4. Stretch cotton strip; 5. Clamp; 6. Adjustment assembly; 601. Slide cylinder; 602. Slide plate; 603. Limiting block; 604. Spring one; 7. Bracket; 8. Slide rail; 9. Limiting hole; 10. Slide groove; 11. Support assembly; 111. Support ring; 112. Slider; 113. Connecting rod; 12. Positioning assembly; 121. Sliding sleeve; 122. Clamping rod; 123. Pull plate; 124. Spring two; 13. Groove; 14. Slot. Detailed Implementation

[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] Please see Figure 1-7 This invention provides a technical solution for a head and neck fixation protector: Example 1: according to Figure 1 , Figure 3 , Figure 4 and Figure 7 As shown, the head and neck protection device includes two neck braces 1, which are fixed together by two clamps 5, located on the upper and lower sides of the neck braces 1 respectively. Three compression components 2 are hinged to the top of each neck brace 1 via pins. Support components 11 are hinged to one side of each of the three compression components 2 via pins, and overlap with the neck braces 1. Two sliding grooves 10 are formed on the outside of the neck braces 1, and the support components 11 are slidably connected within these grooves. Positioning components 12 are engaged with the support components 11. A groove 13 is provided between the neck brace 1 and the neck brace 1. The groove 13 is located on the outer side of the neck brace 1. Several slots 14 are provided on the inner wall of the groove 13. The snap-fit ​​component snaps into one of the slots 14. A slide rail 8 is provided below the neck brace 1. An adjustment component 6 is slidably connected in the slide rail 8. A bracket 7 is fixedly connected to the bottom of the adjustment component 6 to position the support component 11 so that the compression component 2 will not deflect. This meets the needs of different people, improves the stability and effectiveness of the protective device, and reduces the risk of surgical treatment.

[0029] The extrusion assembly 2 includes a stretching rubber plate 201, which has a fan-shaped design and an angle of 60 degrees between adjacent stretching rubber plates 201. An air cushion 202 is provided on the inner side of the stretching rubber plate 201. Adjacent stretching rubber plates 201 are connected by an elastic band 3 and a stretching cotton strip 4. The stretching rubber plate 201 and the air cushion 202 are stretched upward, so that the air cushion 202 is in close contact with the jaw and the skin above it, thus improving the positioning effect. With the setting of the elastic band 3 and the stretching cotton strip 4, it is difficult for large-angle deflection to occur between the stretching rubber plates 201. The support assembly 11 includes a support ring 111, the inner wall of which overlaps with the neck brace 1. The top of the support ring 111 is hinged to a connecting rod 113 by three pins. The top of the connecting rod 113 is hinged to the outer side of the tension rubber plate 201 by pins. The tension rubber plate 201 will stretch under force and stretch the air cushion 202. The air cushion 202 and the tension rubber plate 201 can deform to different degrees according to the force, and can adaptively adjust according to the shape of the patient's jaw, further improving the fixation effect on the patient's neck. Both ends of the support ring 111 are fixedly connected to sliders 112. The sliders 112 are slidably connected in the groove 10. Both the sliders 112 and the groove 10 are T-shaped. The mutual cooperation between the sliders 112 and the groove 10, and the fact that both the sliders 112 and the groove 10 are T-shaped, makes the support ring 111 more stable and does not shake during movement. At the same time, the sliders 112 will not detach from the groove 10. The positioning component 12 includes a sliding sleeve 121, which is snapped onto the support ring 111. A locking rod 122 is slidably connected inside the sliding sleeve 121. A pull plate 123 is fixed to one end of the locking rod 122 away from the support ring 111, and the other end of the locking rod 122 is snapped into the locking groove 14. The sliding sleeve 121 can limit the locking rod 122, so that the locking rod 122 will not deflect during the movement, thereby improving the stability of positioning using the locking rod 122. A second spring 124 is attached to the outer sleeve of the locking rod 122. One end of the second spring 124 is fixed to the support ring 111, and the other end of the second spring 124 is fixedly connected to one side of the pull plate 123. A pull ring is provided on the side of the pull plate 123 away from the second spring 124. The end of the locking rod 122 that is embedded in the slot 14 is designed to be inclined, and the slot 14 is adapted to the shape of the locking rod 122. The elastic support of the second spring 124 makes it lock into the slot 14, so that the support ring 111 and the connecting rod 113 no longer move, thus achieving the purpose of limiting the six air cushions 202. When adjusting the size of the opening between the six stretching rubber plates 201, the support ring 111 is pushed upward, so that the support ring 111 moves upward. Since one end of the locking rod 122 is designed to be inclined, the support ring 111 does not need to be manually pulled to move upward, so that the locking rod 122 can slide upward in the groove 13, improving the ease of operation.

[0030] Example 2: Based on Example 1, such as Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the adjustment component 6 includes a slide cylinder 601, which is sleeved on the outside of the neck brace 1. A slide plate 602 is fixedly connected to the inner wall of the slide cylinder 601. The slide plate 602 is slidably connected to the slide rail 8. The bottom of the slide plate 602 is fixedly connected to the bottom of the slide rail 8 by several springs 604. The six air cushions 202 on the top are close to the lower jaw, providing a reverse support force to the slide cylinder 601 and the bracket 7. With the support of the multiple springs 604 at the bottom of the slide plate 602, the bracket 7 is close to the lower neck, further improving the effectiveness of the protective device. Since the bracket 7 and the slide can move up and down, they can provide a certain support and cushioning effect for the patient's neck, preventing neck strain caused by the patient's stress response. Both ends of the slide plate 602 are fixedly connected to limit blocks 603. Limit holes 9 are opened on both sides of the inner wall of the slide rail 8. The limit blocks 603 are slidably connected in the limit holes 9. The bracket 7 has an inverted conical design and the two sides of the bottom are protruding. When the slide plate 602 moves, it can drive the limit blocks 603 to slide in the limit holes 9. The limit holes 9 play a role in limiting the limit blocks 603 and the slide plate 602, preventing the slide cylinder 601 from falling off the slide rail 8 and affecting the use effect of the bracket 7, thus improving the support stability.

[0031] Working principle: When in use, open the two clamps 5 to separate the two neck braces 1. Since the two adjacent stretch rubber plates 201 are connected by elastic bands 3 and stretch cotton strips 4, the six stretch rubber plates 201 can be opened to make the six air cushions 202 move away from each other. Then put the six air cushions 202 on the patient's head, move the two neck braces 1 to the patient's neck, and use the two clamps 5 to fix the two neck braces 1. Six stretching rubber plates 201 limit the patient's lower jaw. When the size of the opening between the six stretching rubber plates 201 is adjusted, the support ring 111 is pushed upward. As the support ring 111 moves upward, it pushes the three connecting rods 113 to deflect at an angle. This allows the three connecting rods 113 to bring the three stretching rubber plates 201 together. At the same time, the stretching rubber plates 201 and the air cushion 202 deform. At this time, the stretching rubber plates 201 and the air cushion 202 are stretched upward, so that the air cushion 202 is in close contact with the lower jaw and the skin above it. Similarly, the other side support ring 111 is operated. The support ring 111 drives the locking rod 122 to slide upward in the groove 13, and the elastic force of the spring 124 supports it to be locked into the slot 14, thereby achieving the purpose of limiting the six air cushions 202, so that the six air cushions 202 are tightly attached to the lower jaw, thus preventing any space between the lower jaw and the neck. When the opening between the six air cushions 202 is enlarged, the pull plate 123 is pulled outward. The pull plate 123 drives the locking rod 122 to disengage from the slot 14. The pull plate 123 is dragged downward, causing the support ring 111 to pull the three connecting rods 113. The connecting rods 113 pull and stretch the rubber plate 201 to produce bending deformation. The air cushion 202 bends outward so that it can locally fit tightly against the jaw and neck. The locking rod 122 is inserted into the slot 14 to achieve the purpose of positioning the air cushion 202. The bracket 7 supports the area below the neck. The slide plate 602 on the slide cylinder 601 is set in the slide rail 8, allowing the slide cylinder 601 and the bracket 7 to move up and down. Since the six air cushions 202 at the top are close to the jaw, they provide a reverse support force to the slide cylinder 601 and the bracket 7. Combined with the support of multiple springs 604 at the bottom of the slide plate 602, the bracket 7 is kept close to the lower part of the neck, which can provide a certain support and cushioning effect for the patient's neck area.

[0032] In the description of this invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0033] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0034] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0035] In this invention, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "an embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

Claims

1. Head and neck immobilization shield comprising two neck rests (1), characterized in that: Two neck braces (1) are fixed together by two clamps (5), and the two clamps (5) are located on the upper and lower sides of the neck brace (1) respectively. The top of the neck brace (1) is hinged to a compression assembly (2) by three pins. One side of each of the three compression assemblies (2) is hinged to a support assembly (11) by a pin. The support assembly (11) overlaps with the neck brace (1). Two sliding grooves (10) are opened on the outside of the neck brace (1). The support assembly (11) is slidably connected in the two sliding grooves (10). A positioning component (12) is snapped onto the support component (11). A groove (13) is provided between the two slides (10). The groove (13) is opened on the outside of the neck support (1). Several slots (14) are opened on the inner wall of the groove (13). The snap-fit ​​component is snapped into one of the slots (14). A slide rail (8) is opened below the outside of the neck support (1). An adjustment component (6) is slidably connected in the slide rail (8). A bracket (7) is fixedly connected to the bottom of the adjustment component (6).

2. The head and neck restraint according to claim 1, wherein: The extrusion assembly (2) includes a stretching rubber plate (201), which is fan-shaped and has an included angle of 60 degrees between two adjacent stretching rubber plates (201). An air cushion (202) is provided on the inner side of the stretching rubber plate (201), and two adjacent stretching rubber plates (201) are connected by an elastic band (3) and a stretching cotton strip (4).

3. The head and neck restraint according to claim 2, wherein: The support assembly (11) includes a support ring (111), the inner wall of which overlaps with the neck brace (1), and the top of the support ring (111) is hinged to a connecting rod (113) by three pins. The top of the connecting rod (113) is hinged to the outer side of the stretching rubber plate (201) by a pin. The stretching rubber plate (201) will be stretched under force and stretch the air cushion (202).

4. The head and neck immobilization protector according to claim 3, characterized in that: Both ends of the support ring (111) are fixedly connected to sliders (112), which are slidably connected in the groove (10). Both the slider (112) and the groove (10) are T-shaped.

5. The head and neck immobilization protector according to claim 3, characterized in that: The positioning component (12) includes a sliding sleeve (121), which is engaged with a support ring (111). A locking rod (122) is slidably connected inside the sliding sleeve (121). A pull plate (123) is fixed at one end of the locking rod (122) away from the support ring (111), and the other end of the locking rod (122) is engaged in a slot (14).

6. The head and neck immobilization protector according to claim 5, characterized in that: The lever (122) is fitted with a second spring (124). One end of the second spring (124) is fixed to the support ring (111), and the other end of the second spring (124) is fixedly connected to one side of the pull plate (123).

7. The head and neck immobilization protector according to claim 6, characterized in that: The pull plate (123) has a pull ring on the side away from the second spring (124), and the end of the lever (122) that is embedded in the slot (14) is designed to be inclined, and the slot (14) and the lever (122) are adapted to each other.

8. The head and neck immobilization protector according to claim 1, characterized in that: The adjustment component (6) includes a slide cylinder (601), which is sleeved on the outside of the neck brace (1), and a slide plate (602) is fixedly connected to the inner wall of the slide cylinder (601).

9. The head and neck immobilization protector according to claim 8, characterized in that: The slide plate (602) is slidably connected to the slide rail (8), and the bottom of the slide plate (602) is fixedly connected to the bottom of the slide rail (8) by a number of springs (604).

10. The head and neck immobilization protector according to claim 9, characterized in that: Both ends of the slide plate (602) are fixedly connected to limit blocks (603), and both sides of the inner wall of the slide rail (8) are provided with limit holes (9). The limit blocks (603) are slidably connected in the limit holes (9). The bracket (7) is designed as an inverted cone and the two sides of the bottom are protruding.

Images