Cervical vertebra tractor

Abstract

The embodiment of the invention provides a cervical vertebra tractor. The cervical vertebra tractor comprises a fixing frame; the rear neck bracket is connected with the fixing frame, and the fixing frame and the rear neck bracket define a space for the neck to pass through; the lower jaw bracket is rotationally connected with the fixing frame; the limiting assembly comprises a rotating part and a positioning part, the rotating part is connected with the lower jaw bracket, the rotating part rotates along with rotation of the lower jaw bracket, the positioning part is rotationally arranged on the fixing frame and rotates in a reciprocating mode within a preset angle range, first limiting structures are arranged at the two ends of the positioning part respectively, and the first limiting structures are arranged on the lower jaw bracket. A second limiting structure is arranged on the rotating part, and the first limiting structure is matched with the second limiting structure so as to limit and fix the lower jaw bracket. According to the cervical vertebra tractor, through cooperation of the first limiting structure and the second limiting structure on the rotating piece and the positioning piece, it is ensured that the lower jaw bracket can be firmly locked after being adjusted to the proper position, the positioning piece rotates in a reciprocating mode within the preset angle range, and the maximum rotating angle of the lower jaw bracket is limited; excessive traction or improper adjustment is prevented, and the use safety is further improved.

Description

Technical Field

[0001] The present application belongs to the technical field of medical devices, and in particular, relates to a cervical traction device. Background Art

[0002] A cervical traction device is a medical device used to treat and relieve neck pain, stiffness, and other symptoms caused by cervical spondylosis. It applies a gentle pulling force to increase the space between the intervertebral discs, thereby relieving pressure on the nerve roots or spinal cord, promoting blood circulation, and helping to restore the normal cervical curvature.

[0003] There are some problems and challenges with current cervical traction devices, especially in the adjustment of the chin rest: The chin rest design of traditional cervical traction devices often lacks personalized adjustment and cannot fully adapt to the facial contours and neck lengths of different users, which may cause discomfort or poor results. The adjustment options provided by some models of traction devices may not be detailed enough, making it difficult for users to find the position that best suits them, affecting the treatment effect. The adjustment mechanism of some traction devices is more complicated, requiring users to perform multiple steps to complete the adjustment, which increases the difficulty of use, especially for the elderly or people with limited mobility. During use, if the position of the chin rest is unstable or easy to slide, it may cause uneven traction and even cause additional neck pressure or injury.

[0004] In summary, the existing cervical traction device is not convenient enough to adjust the mandibular support, and the support is unstable, which poses certain safety hazards. Summary of the invention

[0005] In view of this, an embodiment of the present application provides a cervical vertebra traction device to solve the technical problem that the adjustment of the chin support in the existing cervical vertebra traction device is not convenient.

[0006] The present application embodiment provides a cervical traction device, comprising:

[0007] Fixed frame;

[0008] A back neck bracket is connected to the fixing frame, and the fixing frame and the back neck bracket enclose a space for the neck to pass through;

[0009] a mandibular support, rotatably connected to the fixing frame; and

[0010] The limiting component includes a rotating member and a positioning member, wherein the rotating member is connected to the mandibular support, and the rotating member rotates with the rotation of the mandibular support. The positioning member is rotatably arranged on the fixed frame, and the positioning member reciprocates within a preset angle range. First limiting structures are respectively provided at both ends of the positioning member, and a second limiting structure is provided on the rotating member. The first limiting structure cooperates with the second limiting structure to limit and fix the mandibular support.

[0011] In some embodiments, the positioning member is located below the rotating member, and the two first limiting structures are respectively located on both sides of the rotating member.

[0012] In some embodiments, one end of the rotating member is fixedly connected to the mandibular bracket, and the other end of the rotating member is provided with the second limiting structure, the second limiting structure is a first convex tooth, and the first convex tooth is evenly and continuously arranged around the surface of the rotating member;

[0013] The first limiting structure is a first groove.

[0014] In some embodiments, the second limiting structure is a second groove, and the second groove is evenly and continuously arranged around the surface of the rotating member;

[0015] The first limiting structure is a second protruding tooth.

[0016] In some embodiments, the rotating member is a ratchet, the ratchet is connected to the mandibular bracket via a fixed shaft, and the inclined teeth on the surface of the ratchet and / or the grooves between adjacent inclined teeth form the second limiting structure;

[0017] The positioning member is an arc-shaped rotating block, and positioning grooves are respectively formed at both ends of the rotating block on one side close to the rotating member, and two positioning protrusions are formed on both sides of the positioning groove. The positioning groove and / or the positioning protrusion form the first limiting structure.

[0018] In some embodiments, the positioning member and the rotating member are located inside the fixing frame, and a toggle rod is provided outside the fixing frame. The toggle rod is connected to the positioning member, and the positioning member is driven to rotate within a preset angle range by rotating the toggle rod.

[0019] In some embodiments, the cervical traction device includes a lifting assembly installed on the fixing frame, and the lifting assembly is used to adjust the lifting height of the mandibular support.

[0020] In some embodiments, the lifting assembly includes:

[0021] A connecting shell, fixedly connected to the mandibular bracket;

[0022] A screw rod, one end of which is rotatably disposed on the connecting housing, and the other end of which is rotatably disposed on the fixing frame;

[0023] A knob is rotatably arranged on the screw rod, and the screw rod is driven to rotate by rotating the knob, so that the height of the mandibular bracket is changed.

[0024] In some embodiments, a limiting block is provided on a side of the connecting shell close to the mandibular support, and a limiting protrusion abutting against the limiting block is provided on a side of the mandibular support connected to the connecting shell.

[0025] In some embodiments, a positioning component is further provided below the positioning member, and the positioning component includes:

[0026] A fixed column, wherein the interior of the fixed column is hollow;

[0027] An elastic member, disposed in the fixing column;

[0028] A steel ball is placed in the fixing column and abuts against the elastic member;

[0029] A recessed portion is provided on one side of the positioning member close to the steel ball, and the recessed portion cooperates with the steel ball to enable the positioning member to reciprocate within a preset angle range.

[0030] In some embodiments, the fixing frame comprises:

[0031] Support shell;

[0032] A cover shell, the cover shell is disposed on the support shell and forms a receiving cavity with the interior of the fixing frame;

[0033] Wherein, a plurality of support plates are provided on one side of the cover shell facing the support shell;

[0034] An airbag cushion is arranged on the rear neck bracket, and an external air pipe and a wire of the airbag cushion are arranged in the accommodating cavity.

[0035] The cervical traction device provided in the embodiment of the present application ensures that the mandibular support can be firmly locked after being adjusted to a suitable position by cooperating with the first limiting structure and the second limiting structure on the rotating member and the positioning member. This effectively prevents accidental movement caused by external force or user action during use, avoids unnecessary pressure or injury to the neck, and improves safety performance; the positioning member reciprocates within a preset angle range, limits the maximum rotation angle of the mandibular support, prevents excessive traction or inappropriate adjustment, and further improves the safety of use. The rotating member rotates with the rotation of the mandibular support, so that the user can make precise angle adjustments and find the most suitable traction position for himself. This precise adjustment mechanism helps to ensure that the traction force is evenly distributed and improve the treatment effect; the mandibular support and the fixed frame are connected by rotation, combined with the design of the limiting component, to ensure the stability of the entire structure. Even if a certain external force is applied during use, it will not affect the position and stability of the mandibular support. Integrating the limiting component into the mandibular support and the fixed frame makes the entire device compact, reduces additional accessories and complex operations, and improves the overall aesthetics and portability. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0037] Figure 1 This is a schematic diagram of the structure of the cervical traction device provided in the embodiment of the present application. Figure 1 ;

[0038] Figure 2 yes Figure 1 Partial structure diagram Figure 1 ;

[0039] Figure 3 yes Figure 1 Partial structure diagram Figure 2 ;

[0040] Figure 4 It is a structural schematic diagram of a fixing frame and an inflatable component in a cervical traction device provided in an embodiment of the present application;

[0041] Figure 5 yes Figure 4 Schematic diagram of some structures;

[0042] Figure 6 This is a schematic diagram of the structure of the back neck bracket in the cervical traction device provided in the embodiment of the present application. Figure 1 ;

[0043] Figure 7 This is a schematic diagram of the structure of the back neck bracket in the cervical traction device provided in the embodiment of the present application. Figure 2 ;

[0044] Figure 8 is a schematic structural diagram of a mandibular support in a cervical traction device provided in an embodiment of the present application;

[0045] Fig. 9 This is a schematic diagram of the structure of the cervical traction device provided in the embodiment of the present application. Figure 2 ;

[0046] Fig.10 yes Fig. 9 Enlarged view of point A in the middle.

[0047] Among them, the figure numbers are:

[0048] 10. fixing frame; 11. supporting shell; 12. cover shell; 121. supporting plate; 1210. through hole; 100. fixing end; 101. connecting section; 102. connecting end; 103. fixing hole; 13. installation box;

[0049] 20. Back neck bracket; 200. Strap; 21. Bracket body; 211. First support part; 212. Second support part; 22. Airbag cushion; 220. Trachea;

[0050] 30. Mandibular support; 300. Supporting curved surface; 31. Flexible member; 32. Limiting protrusion;

[0051] 40. Limiting assembly; 41. Rotating member; 410. Second limiting structure; 42. Positioning member; 420. First limiting structure; 421. Positioning groove; 422. Positioning protrusion; 423. Concave portion; 43. Toggle lever;

[0052] 50. lifting assembly; 51. connecting shell; 511. limiting block; 52. screw rod; 53. knob;

[0053] 60. Clamping assembly; 61. Fixing column; 62. Elastic member; 63. Steel ball;

[0054] 70. Inflatable components. DETAILED DESCRIPTION

[0055] In the following description, specific details such as specific system structures, technologies, etc. are proposed for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present application. However, it should be clear to those skilled in the art that the embodiments of the present application can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to prevent unnecessary details from hindering the description of the embodiments of the present application.

[0056] It should also be understood that the term “and / or” used in the description of the embodiments of the present application and the appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0057] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0058] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present application.

[0059] In addition, in the description of the embodiments of the present application and the appended claims, the terms "first", "second", "third", etc. are only used to distinguish the descriptions and cannot be understood as indicating or implying relative importance.

[0060] References to "some embodiments" or "some embodiments" etc. described in the specification of the embodiments of the present application mean that one or more embodiments of the embodiments of the present application include specific features, structures or characteristics described in conjunction with the embodiment. Thus, the statements "in some embodiments", "in some other embodiments", "in some other embodiments", etc. that appear in the different parts of this specification do not necessarily refer to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized in other ways. The terms "including", "comprising", "having" and their variations all mean "including but not limited to", unless otherwise specifically emphasized in other ways. "Multiple" refers to two or more.

[0061] The present application embodiment provides a cervical traction device, such as Figures 1 to 3 As shown, the cervical traction device includes a fixing frame 10, a back neck bracket 20, a mandibular bracket 30 and a limiting assembly 40;

[0062] The back neck bracket 20 is connected to the fixing frame 10, and the fixing frame 10 and the back neck bracket 20 enclose a space for the neck to pass through;

[0063] The mandibular support 30 is rotatably connected to the fixing frame 10;

[0064] The limiting assembly 40 includes a rotating member 41 and a positioning member 42. The rotating member 41 is connected to the mandibular support 30. The rotating member 41 rotates with the rotation of the mandibular support 30. The positioning member 42 is rotatably arranged on the fixed frame 10. The positioning member 42 reciprocates within a preset angle range. The two ends of the positioning member 42 are respectively provided with a first limiting structure 420. The rotating member 41 is provided with a second limiting structure 410. The first limiting structure 420 cooperates with the second limiting structure 410 to limit and fix the mandibular support 30.

[0065] The cervical traction device provided in the embodiment of the present application ensures that the mandibular support 30 can be firmly locked after being adjusted to a suitable position by cooperating with the first limiting structure 420 and the second limiting structure 410 on the rotating member 41 and the positioning member 42. This effectively prevents accidental movement caused by external force or user action during use, avoids unnecessary pressure or injury to the neck, and improves safety performance; the positioning member 42 reciprocates within a preset angle range to limit the maximum rotation angle of the mandibular support 30. In application, the preset angle is 30° to 180°, which can prevent excessive traction or inappropriate adjustment, further improving the safety of use. The rotating member 41 rotates with the rotation of the mandibular support 30, so that the user can make precise angle adjustments and find the most suitable traction position for himself. This precise adjustment mechanism helps to ensure that the traction force is evenly distributed and improve the treatment effect; the mandibular support 30 is connected to the fixed frame 10 by rotation, and combined with the design of the limiting component 40, the stability of the entire structure is ensured. Even if it is subjected to a certain external force during use, it will not affect the position and stability of the mandibular support 30. Integrating the limiting assembly 40 into the mandibular support 30 and the fixing frame 10 makes the entire device compact, reduces additional accessories and complicated operations, and improves the overall aesthetics and portability.

[0066] In application, the user can adjust the angle of the mandibular support 30 by a simple rotation operation, and quickly lock it through the limit assembly 40. This design simplifies the operation steps and reduces the difficulty of use for users, and is particularly suitable for the elderly or people with limited mobility. The neck and mandible of each user are different in shape. This design allows the user to make personalized adjustments according to their actual situation to ensure comfortable and effective wearing. The design of the limit assembly 40 reduces the meaningless rotation of the mandibular support 30 in a non-working state, reduces the friction and wear between mechanical parts, and thus extends the service life of the equipment. The structure of the limit assembly 40 is relatively simple, which is convenient for daily cleaning and maintenance, and reduces the risk of failure caused by dirt accumulation. Through precise limiting and stable structure, it is ensured that the traction force remains uniform throughout the treatment process, avoiding inconsistent traction force caused by position changes, thereby improving the treatment effect. This design is not only suitable for conventional cervical traction treatment, but can also be flexibly adjusted according to different treatment needs, such as changing the traction angle, strength, etc., to meet the personalized needs of more users.

[0067] In applications, such as Figure 1 and Figure 4 As shown, the fixing frame 10 includes two fixing ends 100 for contacting the shoulders of the user and a connecting section 101 connecting the two fixing ends 100. The shape of the connecting section 101 is adapted to the curvature of the user's chest, so that the above-mentioned space for the user's neck to pass through is formed in cooperation with the back neck bracket 20, which can also enhance the user's experience and make the design more ergonomic. The fixing frame 10 also includes a connecting end 102 arranged on the fixing end 100, and a fixing hole 103 is provided on one side of the connecting end 102 close to the back neck bracket 20, so that the back neck bracket 20 and the connecting end 102 can be detachably connected. Specifically, a strap 200 is provided on the back neck bracket 20, and the strap 200 passes through the fixing hole 103 to achieve a detachable connection, which is convenient for daily wear and use.

[0068] In some embodiments, Figure 4 and Figure 5 As shown, the fixing frame 10 includes a supporting shell 11 and a cover shell 12. The cover shell 12 is covered on the supporting shell 11 and forms a receiving cavity with the inside of the fixing frame 10.

[0069] Among them, a plurality of support plates 121 are provided on one side of the cover shell 12 facing the support shell 11;

[0070] An airbag cushion 22 is provided on the rear neck bracket 20, and an external air pipe 220 and a wire of the airbag cushion 22 are provided in the accommodating cavity. In this way, the structure is compact and beautiful. By combining the cover shell 12 and the support shell 11 to form a closed accommodating cavity, the external air pipe 220 and the wire of the airbag cushion 22 can be effectively hidden. This integrated design not only makes the appearance of the device more concise and beautiful, but also reduces the risk of entanglement or damage that may be caused by external cables. The air pipe 220 and the wire are built into the accommodating cavity to avoid the external cables occupying additional space, making the entire device more compact and easy to carry and store. It can also improve safety. Since the air pipe 220 and the wire are protected in the accommodating cavity, the user will not accidentally pull these components during use, causing equipment failure or airbag leakage, thereby improving the safety of use.

[0071] In use, the multiple support plates 121 on the cover shell 12 increase the structural strength of the fixing frame 10, ensuring that it will not deform or loosen during use, further improving the stability and reliability of the device. The support plate 121 is provided with a through hole 1210 to facilitate the passage of the air pipe 220 and the wire, and can well fix and store the air pipe 220 and the wire to avoid displacement and shaking that affects use.

[0072] In applications, such as Figure 6 and Figure 7 As shown, the back neck bracket 20 includes a bracket body 21 and an airbag cushion 22, the bracket body 21 includes a first support portion 211 and a second support portion 212, the second support portion 212 is movably connected to the first support portion 212, and the support area and support height of the bracket body 21 are adjusted by adjusting the connection position of the second support portion 212 and the first support portion 211;

[0073] The airbag cushion 22 is detachably fixed to the first support part 211, and the airbag is laid on the first support part 211 and the second support part 212. A flexible heating element (not shown in the figure) is embedded in the airbag cushion 22, and the flexible heating element is used to generate heat to provide auxiliary treatment effects. The second support part 212 is movably connected to the first support part 211, and the connection position of the two is adjusted to achieve the adjustment of the support area and support height of the bracket body 21. In combination with the setting of the airbag, the user's comfort can be greatly improved, so that the back neck bracket 20 can fit the user's neck more closely, and provide a suitable support surface, support height, and softness and hardness; in addition, by setting a flexible heating element, the pillow pad can generate heat for auxiliary treatment while supporting the user's neck.

[0074] In some embodiments, the flexible heating element includes at least one of a flexible belt heating sheet, a flexible heating wire, and a graphene heating sheet. The flexible heating element is light and bendable, can be well adapted to the pillow, and can be bent and deformed according to different body parts of the user. The flexible belt heating sheet is made of conductive material and can generate heat through electric current. The flexible heating wire has good flexibility and durability and can withstand repeated bending without breaking. Graphene heating sheet, graphene as a new material has excellent electrical conductivity and thermal conductivity. The graphene heating sheet can respond quickly and heat evenly, while being very thin and light.

[0075] In some embodiments, the above flexible heating elements can be selected and used in combination according to the needs of specific application scenarios. The combination of flexible belt heating sheet and graphene heating sheet can not only ensure a wide range of warm coverage, but also provide a more delicate and comfortable heating experience in the part that contacts the skin.

[0076] In some embodiments, Figure 1 , Figure 4 , Figure 6 and Figure 7 As shown, the cervical traction device also includes an inflatable component 70. The side of the airbag cushion 22 is provided with an inflatable interface, which is used to connect to the inflatable component 70 to inflate the airbag cushion 22; the side of the airbag cushion 22 is also provided with a charging interface, which is used to connect to an external power source and facilitate charging the flexible heating element. The inflatable component 70 is located in the middle of the fixing frame 10. During use (after wearing), the inflatable component 70 is located in front of the user's chest, which makes it easy to operate the charging component to inflate the airbag cushion 22 or energize the flexible heating element.

[0077] In some embodiments, the inflation port and the charging port are located at one end of the airbag cushion 22 near the second support portion 212, and the inflation port and the charging port are arranged side by side. This is convenient for daily use, and being located on one side can minimize the impact of the line group on the user during use.

[0078] In some embodiments, Figure 6 and Figure 7 As shown, the first connecting member and the second connecting member are respectively provided on both sides of the airbag cushion 22, the first supporting portion 211 is provided with a first through hole for the first connecting member to pass through, and the first supporting portion 211 is provided with a second through hole for the second connecting member to pass through. Thus, during use, the first connecting member passes through the first through hole to fix one side of the airbag, and the second connecting member passes through the second through hole to fix the other side of the airbag, thereby strengthening the connection and fixation between the airbag and the bracket body 21.

[0079] In application, the first connector and the second connector are straps 200, which are flexible and can be flexibly passed through the first perforation and the second perforation to achieve fixation. In other embodiments, the first connector and the second connector can also be buckles, straps, etc.

[0080] In applications, such as Figures 1 to 3 as well as Figure 8 As shown, both ends of the mandibular support 30 are rotatably connected to the connecting ends 102 on the fixing frame 10, and the mandibular support 30 has a supporting curved surface 300 adapted to the user and the mandible to provide the user with a comfortable experience. Further, the mandibular support 30 includes a frame body and a flexible member 31 disposed on the frame body, and the flexible member 31 includes but is not limited to silicone, silk, cotton cloth, etc., to provide comfortable and soft support for the user's mandible.

[0081] In some embodiments, Figures 1 to 3 As shown, the positioning member 42 is located below the rotating member 41, and the two first limiting structures 420 are respectively located on both sides of the rotating member 41. This design significantly improves the stability, safety and adjustment accuracy of the cervical traction device, while simplifying the operation process and optimizing space utilization. Placing the positioning member 42 at the bottom and adopting a lateral limiting structure fully utilizes the space inside the device, making the overall design more compact. This layout reduces unnecessary volume occupation, making the cervical traction device more portable and beautiful.

[0082] It should be emphasized that the first limiting structures 420 on both sides form a two-way locking mechanism (i.e., the user can lock and fix the mandibular support 30 in a limited position regardless of whether the rotation is forward or reverse), which is very convenient for the user to use, not only improves safety, but also provides the possibility for future product upgrades or functional expansion. Moreover, the two first limiting structures 420 are respectively located on both sides of the rotating member 41, forming a double locking mechanism. Even if one of the limiting structures fails, the other can still function, which greatly reduces the risk of accidental unlocking and ensures the user's safety.

[0083] In some embodiments, Figures 1 to 3 As shown, one end of the rotating member 41 is fixedly connected to the mandibular bracket 30, and the other end of the rotating member 41 is provided with a second limiting structure 410, and the second limiting structure 410 is a first convex tooth, and the first convex tooth is evenly and continuously arranged around the surface of the rotating member 41;

[0084] The first limiting structure 420 is a first groove. In other embodiments, the second limiting structure 410 is a second groove, and the second groove is evenly and continuously arranged around the surface of the rotating member 41; the first limiting structure 420 is a second protruding tooth.

[0085] The first protruding teeth and the first grooves are engaged with each other to achieve position limiting and fixing of the mandibular bracket 30 .

[0086] In application, the first convex teeth are evenly and continuously arranged around the circumference of the surface of the rotating member 41, ensuring that each angular position can be accurately captured. Users can make fine adjustments within a very small angle range to find the traction position that suits them best. The cooperation of multiple convex teeth and grooves forms multi-point contact, which increases the reliability of the limit and reduces the risk of sliding or loosening due to failure of a single contact point. The close fit between the first convex teeth and the first groove makes the rotating member 41 very stable in the locked state, and it will not easily loosen or shift even if it is affected by external forces. This ensures that the mandibular support 30 always remains in the set position during use, avoiding unnecessary shaking or deviation. Due to the large contact area between the convex teeth and the grooves, the pressure from the rotating member 41 can be better dispersed, local stress concentration can be avoided, and the service life of the mechanical parts can be extended.

[0087] In application, the first convex teeth are evenly and continuously arranged around the surface of the rotating member 41, allowing the user to lock at any angle, providing almost unlimited adjustment options to meet the personalized needs of different users. This layout is convenient for production and assembly, and also provides a basis for modular design. Different models of cervical traction devices can flexibly adjust the number and position of convex teeth and grooves as needed to meet diverse market needs. Especially for users who need to accurately control the traction angle and strength, this design can provide higher adjustment accuracy to ensure that each treatment can achieve the best effect. Due to its stability and durability, this design is particularly suitable for users who need long-term use or frequent adjustments, such as patients with chronic cervical spondylosis or patients undergoing rehabilitation treatment.

[0088] In some embodiments, Figures 1 to 3 As shown, the rotating member 41 is a ratchet, which is connected to the mandibular bracket 30 via a fixed shaft, and the inclined teeth on the surface of the ratchet and / or the grooves between adjacent inclined teeth form a second limiting structure 410;

[0089] The positioning member 42 is an arc-shaped rotating block, and positioning grooves 421 are respectively formed at both ends of the rotating block on one side close to the rotating member 41, and two positioning protrusions 422 are formed on both sides of the positioning groove 421. The positioning groove 421 and / or the positioning protrusion 422 form a first limiting structure 420.

[0090] The inclined teeth on the surface of the ratchet allow the mandibular support 30 to be freely adjusted in one direction (such as clockwise rotation) and locked in the other direction (such as counterclockwise rotation). This ensures that the user will not accidentally rotate due to external force or misoperation when adjusting the traction angle, thereby improving the safety of use. In the present application, since positioning members 42 are provided on both sides of the ratchet, that is, first limiting structures 420 are provided on both sides of the second limiting structure 410, bidirectional limiting can be achieved. Since the inclined teeth and grooves of the ratchet form the second limiting structure 410, the user can lock at the position of each tooth, thereby achieving high-precision adjustment. After each adjustment, the ratchet will automatically lock at the current position to ensure that the traction angle remains stable.

[0091] In some embodiments, Figures 1 to 3 As shown, the positioning member 42 and the rotating member 41 are located inside the fixing frame 10, and a toggle rod 43 is also provided outside the fixing frame 10. The toggle rod 43 is connected to the positioning member 42, and the positioning member 42 is driven to rotate within a preset angle range by rotating the toggle rod 43. In this way, the user can directly control the rotation of the positioning member 42 through the external toggle rod 43 without disassembling or opening the fixing frame 10, which simplifies the operation process. The user only needs to gently toggle the rod 43 to adjust the angle of the mandibular support 30 and lock it, which makes the operation more intuitive and convenient.

[0092] In use, the positioning member 42 and the rotating member 41 are integrated into the interior of the fixing frame 10, making full use of the space inside the device and making the overall design more compact. This layout reduces unnecessary volume occupation, making the cervical traction device more portable and beautiful. The positioning member 42 and the rotating member 41 are located inside the fixing frame 10, avoiding the influence of the external environment (such as dust, moisture) or physical damage (such as pulling, squeezing) on ​​these components, and extending the service life of the device. The design of the toggle rod 43 allows the user to instantly lock at any angle, ensuring that the mandibular support 30 can be stabilized in the set position after each adjustment, avoiding sliding or loosening due to external force or misoperation.

[0093] In some embodiments, Figures 1 to 3 As shown, the cervical traction device includes a lifting assembly 50 mounted on the fixing frame 10, and the lifting assembly 50 is used to adjust the lifting height of the mandibular bracket 30. In this way, the adjustment is more convenient and quick.

[0094] In application, adjusting the height of the mandibular support 30 specifically means that both ends of the mandibular support 30 are rotatably connected to the fixing frame 10, and the support portion of the mandibular support 30 for supporting the user's mandible is located in the middle, and the height of the support portion is mainly adjusted. In this way, through the lifting component 50, the user can accurately adjust the height of the mandibular support 30 according to his or her neck length and treatment needs. This ensures that the traction force can be evenly distributed on the neck, avoiding discomfort or poor treatment effect caused by inappropriate height.

[0095] In some embodiments, the lifting assembly 50 is disposed on the side of the fixing frame 10 or on the front end of the fixing frame 10, the front end is the direction facing the user, and the side is the direction facing the user's ears. In this way, it is convenient for the user to adjust.

[0096] In some embodiments, Figures 1 to 3 As shown, the lifting assembly 50 includes a connecting housing 51, a screw rod 52 and a knob 53;

[0097] The connecting shell 51 is fixedly connected to the mandibular bracket 30;

[0098] One end of the screw rod 52 is rotatably disposed on the connecting housing 51, and the other end of the screw rod 52 is rotatably disposed on the fixing frame 10;

[0099] The knob 53 is rotatably arranged on the screw 52, ​​and the screw 52 is driven to rotate by turning the knob 53, so that the height of the mandibular support 30 is changed. By turning the knob 53 to drive the screw 52 to rotate, the user can make fine adjustments within a very small height range to find the height of the mandibular support 30 that best suits him. This fine-tuning function is particularly suitable for treatment scenarios that require fine adjustments, such as postoperative rehabilitation or traction of sensitive parts. The rotation setting between the screw 52 and the connecting shell 51 and the fixing frame 10 ensures stable locking at each height position, avoiding sliding or loosening due to external force or misoperation. After the height of the mandibular support 30 is adjusted by the lifting assembly 50, the rotating member 41 and the positioning member 42 cooperate to achieve limited fixation.

[0100] In application, the lifting assembly 50 is provided in multiple groups, namely, it is provided in both fixed ends 100 of the fixing frame 10, so that it is convenient to adjust both ends at the same time, and one end can also be adjusted according to the situation. It can be suitable for users with different needs and improve the applicability of the cervical traction device.

[0101] In some embodiments, Fig. 9 and Fig.10As shown, a stopper 511 is provided on one side of the connection housing 51 close to the mandibular support 30, and a stopper protrusion 32 is provided on the side of the mandibular support 30 connected to the connection housing 51 to abut against the stopper 511. In this way, the minimum height of the mandibular support 30 can be limited, and even if the stopper assembly 40 is damaged, the cervical support can still be used. The mandibular support 30 can also be rotated within a preset range.

[0102] In some embodiments, Figures 1 to 3 As shown, a stopper assembly 60 is provided below the positioning member 42, and the stopper assembly 60 is used to limit the rotation of the positioning member 42. In application, the stopper assembly 60 is equivalent to a limit function for the rotation of the positioning member 42, so that when the positioning member 42 is rotated by the toggle rod 43, when the positioning member 42 is rotated to contact the stopper assembly 60 and resistance is felt, it means that it has been completely unlocked; in addition, you can choose to continue to rotate in the same direction, or rotate in the opposite direction to limit and fix the rotating member 41, thereby achieving the limit fixation of the mandibular support 30. The design of the stopper assembly 60 allows the positioning member 42 to reciprocate only within a preset angle range, preventing the risk of over-adjustment or accidental unlocking, and further improving the safety of use.

[0103] In some embodiments, Figures 1 to 3 As shown, the positioning assembly 60 includes a fixing column 61, an elastic member 62 and a steel ball 63;

[0104] The interior of the fixing column 61 is hollow;

[0105] The elastic member 62 is disposed in the fixing column 61;

[0106] The steel ball 63 is placed in the fixing column 61 and abuts against the elastic member 62;

[0107] A recessed portion 423 is formed on one side of the positioning member 42 close to the steel ball 63 . The recessed portion 423 cooperates with the steel ball 63 to enable the positioning member 42 to reciprocate within a preset angle range.

[0108] In application, the elastic member 62 is a spring, one end of which is fixed in the fixed column 61, and the other end of which is against the steel ball 63, which moves inside the fixed column 61. When the user adjusts the positioning member 42, the steel ball 63 enters the recessed portion 423 and produces a slight "click" sound, providing instant operational feedback to help the user confirm each locking position. This sound feedback not only enhances the user's confidence, but also improves the accuracy of the operation. The combination of the steel ball 63 and the elastic member 62 allows the positioning member 42 to smoothly reciprocate within a preset angle range, reducing friction and resistance and improving the smoothness of the operation. The user only needs to gently turn the positioning member 42 to complete the adjustment, making the operation easier and more convenient.

[0109] In application, the fixing frame 10 is further provided with an installation box 13, which is used to install the positioning assembly 60, the rotating member 41 and the positioning member 42. A relatively closed space is specially provided to install the above components, which provides physical protection for the above components, avoids external interference, and improves stability during use.

[0110] In use, the positioning component 60 will not jam the positioning member 42, that is, when the positioning member 42 is resisted by the steel ball 63, the positioning member 42 continues to rotate, and the positioning member 42 will press the steel ball 63 downward, and the rotating member 41 will rotate to the other side and make the steel ball 63 cooperate with the recessed portion 423 on the other side, that is, both sides can achieve the positioning of the rotating member 41. In addition, the presence of the positioning component 60 also gives the positioning member 42 a force, so that the positioning member 42 and the rotating member 41 are more tightly matched, which can make the first limiting structure 420 and the second limiting structure 410 cooperate more firmly, and improve the firmness of the limiting fixation.

[0111] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described or recorded in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0112] The above-described embodiments are only used to illustrate the technical solutions of the embodiments of the present application, rather than to limit them. Although the embodiments of the present application are described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the embodiments of the present application, and should all be included in the protection scope of the embodiments of the present application.

Claims

1. A cervical traction device, characterized in that: include: Fixed frame; A back neck bracket is connected to the fixing frame, and the fixing frame and the back neck bracket enclose a space for the neck to pass through; a mandibular support, rotatably connected to the fixing frame; and The limiting component includes a rotating member and a positioning member, wherein the rotating member is connected to the mandibular support, and the rotating member rotates with the rotation of the mandibular support. The positioning member is rotatably arranged on the fixed frame, and the positioning member reciprocates within a preset angle range. First limiting structures are respectively provided at both ends of the positioning member, and a second limiting structure is provided on the rotating member. The first limiting structure cooperates with the second limiting structure to limit and fix the mandibular support.

2. The cervical traction device according to claim 1, characterized in that: The positioning member is located below the rotating member, and the two first limiting structures are respectively located on both sides of the rotating member.

3. The cervical traction device according to claim 1, characterized in that: One end of the rotating member is fixedly connected to the mandibular bracket, and the other end of the rotating member is provided with the second limiting structure, the second limiting structure is a first convex tooth, and the first convex tooth is evenly and continuously arranged around the surface of the rotating member; The first limiting structure is a first groove; Or, the second limiting structure is a second groove, and the second groove is evenly and continuously arranged around the surface of the rotating member; The first limiting structure is a second protruding tooth.

4. The cervical traction device according to claim 1, characterized in that: The rotating member is a ratchet, the ratchet is connected to the mandibular bracket via a fixed shaft, and the inclined teeth on the surface of the ratchet and / or the grooves between adjacent inclined teeth form the second limiting structure; The positioning member is an arc-shaped rotating block, and positioning grooves are respectively formed at both ends of the rotating block on one side close to the rotating member, and two positioning protrusions are formed on both sides of the positioning groove. The positioning groove and / or the positioning protrusion form the first limiting structure.

5. The cervical traction device according to claim 1, characterized in that: The positioning member and the rotating member are located inside the fixing frame. A toggle lever is also provided outside the fixing frame. The toggle lever is connected to the positioning member. The positioning member is driven to rotate within a preset angle range by rotating the toggle lever.

6. The cervical traction device according to claim 1, characterized in that: The cervical vertebra traction device comprises a lifting assembly installed on the fixing frame, and the lifting assembly is used to adjust the lifting height of the mandibular bracket.

7. The cervical traction device according to claim 6, characterized in that: The lifting assembly comprises: A connecting shell, fixedly connected to the mandibular bracket; A screw rod, one end of which is rotatably disposed on the connecting housing, and the other end of which is rotatably disposed on the fixing frame; A knob is rotatably arranged on the screw rod, and the screw rod is driven to rotate by rotating the knob, so that the height of the mandibular bracket is changed.

8. The cervical traction device according to claim 7, characterized in that: A limiting block is provided on one side of the connecting shell close to the mandibular support, and a limiting protrusion abutting against and cooperating with the limiting block is provided on one side of the mandibular support connected to the connecting shell.

9. The cervical traction device according to claim 1, characterized in that: A positioning assembly is also provided below the positioning member, and the positioning assembly includes: A fixed column, wherein the interior of the fixed column is hollow; An elastic member, disposed in the fixing column; A steel ball is placed in the fixing column and abuts against the elastic member; A recessed portion is provided on one side of the positioning member close to the steel ball, and the recessed portion cooperates with the steel ball to enable the positioning member to reciprocate within a preset angle range.

10. The cervical traction device according to any one of claims 1 to 9, characterized in that: The fixing frame comprises: Support shell; A cover shell, the cover shell is disposed on the support shell and forms a receiving cavity with the interior of the fixing frame; Wherein, a plurality of support plates are provided on one side of the cover shell facing the support shell; An airbag cushion is arranged on the rear neck bracket, and an external air pipe and a wire of the airbag cushion are arranged in the accommodating cavity.

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