Neck traction fixator

By designing a simplified neck traction fixator and using the arched tooth hole bar and gear rod to jointly adjust the bracket up and down, the problems of complex structure, large size and heavy weight of the existing neck traction fixator are solved, convenient adjustment and flexible use are achieved, and the cervical spine correction effect is improved.

CN223403998UActive Publication Date: 2025-10-03NINGBO YARAN INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422022830.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-20
Publication Date
2025-10-03
Estimated Expiration
2034-08-20

AI Technical Summary

Technical Problem

Existing cervical traction fixators are complex in structure, large in size, and heavy in weight, which causes discomfort to patients when worn for a long time and affects the effect of rehabilitation treatment.

Method used

A neck traction fixator is designed, which includes a base, a fixing plate, a pair of brackets and a bracket. The brackets can be raised and lowered by linking an arched tooth hole bar and a gear rod, thereby simplifying the structure and improving the convenience of adjustment.

Benefits of technology

The device has a simple structure and is easy to adjust, which reduces the burden on patients, improves the cervical vertebra correction effect, and enhances the flexibility and practicality of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a neck traction fixator which comprises a base, a fixing plate, a pair of supports, a bracket and a pull-up knob, and a plurality of helical teeth arranged in the middle of the knob are staggered and separated from a circle of teeth in tooth holes of a cover; the rotary knob is rotated clockwise, the gear rod rotates clockwise synchronously, the pair of buckles at the upper end of the left arch-shaped tooth hole strip and the pair of buckles at the upper end of the right arch-shaped tooth hole strip are driven to ascend synchronously in the pair of vertical through grooves respectively, the pair of buckles move backwards in the pair of arc-shaped through grooves, the front ends of the pair of supports are pushed to tilt upwards, and the bracket is driven to move upwards synchronously. The chin of the user is supported upwards, the supporting and fixing effects are achieved, and meanwhile the problem that the cervical vertebra inclines towards one side is corrected through traction; the beneficial effects of simple structure, convenience in adjustment, flexibility and practicability are achieved; innovation, creativity and practicability are embodied.
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Description

Technical Field

[0001] The utility model relates to the field of medical equipment, in particular to a neck traction fixator. Background Art

[0002] A cervical traction immobilizer is a commonly used medical device, primarily used for rehabilitation treatment of neck injuries caused by car accidents, falls, and other injuries. The base of the cervical traction immobilizer supports the shoulders and chest, while the fixation plate secures the cervical spine. Adjustable supports on both sides of the mandible and a bracket under the chin support the head, relieving pressure on the neck while also tractioning the injured area and aiding in corrective rehabilitation.

[0003] Most of the cervical traction fixators currently on the market have complex structures, large sizes, and heavy weights. Wearing them for a long time will increase the burden on patients, cause discomfort and disgust, and is not conducive to corrective rehabilitation treatment. There are real objective deficiencies. Utility Model Content

[0004] The technical problem to be solved by the utility model is to scientifically design a neck traction fixator, which includes a base, a fixing plate, a pair of brackets and a bracket. The pair of brackets are respectively adjusted to rise and fall by a pair of arched tooth hole strips, driving the bracket to rise and fall, thereby achieving the beneficial effects of simple structure, convenient adjustment, flexibility and practicality; embodying innovation, creativity and practicality.

[0005] The technical solution adopted by the utility model to solve the above technical problems is: a neck traction fixator, comprising a base, a fixing plate, a pair of brackets and a bracket;

[0006] The base is configured to be in the shape of a long-legged oblique "U", and two identical vertical through grooves are correspondingly provided on the left and right sides at the middle position of the base. A pair of the vertical through grooves are movably connected to the upper ends of the left arched tooth hole strip and the upper ends of the right arched tooth hole strip respectively through a pair of buckles. A gear rod is clamped at the center position of the "U" shape of the base, and the tooth holes of the left arched tooth hole strip are sleeved with the upper teeth of the gear rod, and the tooth holes of the right arched tooth hole strip are sleeved with the lower teeth of the gear rod, forming a linkage;

[0007] The upper end of the gear rod is inserted into the limit stop provided at the upper part of the "U"-shaped center position of the base; a pressure plate is provided on the gear rod to press and limit the tooth hole part of the left arched tooth hole bar, the gear rod, and the tooth hole part of the right arched tooth hole bar, and is tightened and fixed with screws through a plurality of screw holes provided around the pressure plate and a plurality of screw holes provided on the base, and a cover is fixedly provided on the outside of the left arched tooth hole bar, the gear rod, and the right arched tooth hole bar;

[0008] The lower end of the gear rod is movably connected to the bayonet at the upper end of the knob through a universal joint. The knob passes through a tooth hole in the center of the lower part of the cover to expose the knob head. A number of oblique teeth are provided in the middle of the knob, which engage with a circle of teeth in the tooth hole of the cover to lock when pressed down, and separate and rotate when pulled up.

[0009] The pair of brackets are provided as two identical left and right brackets, the rear ends of the pair of brackets are movably connected to the rear ends of the long legs of the base via a movable pin, and the front upper ends of the pair of brackets are movably connected to the two ends of the bracket via a movable buckle; the front lower ends of the pair of brackets are respectively provided with a pair of arc-shaped transparent grooves;

[0010] The left and right arc-shaped transparent grooves of a pair of the brackets are movably clamped on the inner side of the base by a pair of the buckles at the upper ends of a pair of the arched tooth hole bars.

[0011] A strap sleeve is provided in the middle of the outer side of the fixing plate, and a strap passes through the two ends of the strap sleeve and is respectively connected with a pair of fixing holes provided in the middle of the base, and is adhered or separated by a hook and loop.

[0012] A plurality of ventilation holes are provided in the middle of the bracket, the middle of a pair of brackets, and the fixing plate.

[0013] Technical features and working principles

[0014] First, open the straps and place the base on the user's chest and shoulders. The pair of brackets are located under the user's jaws on both sides, and the bracket is located under the user's chin. Place the fixing plate against the back of the user's neck, connect the base to the fixing plate with the straps, and adjust the tightness to a comfortable size with the Velcro.

[0015] Furthermore, when the knob is pulled up, the plurality of oblique teeth provided in the middle of the knob are dislocated and separated from a circle of teeth in the tooth holes of the cover;

[0016] Furthermore, by rotating the knob clockwise, the gear rod rotates synchronously clockwise, driving the pair of buckles at the upper ends of the left arched tooth perforated strip and the right arched tooth perforated strip to rise synchronously in the left vertical transparent groove and the right vertical transparent groove respectively. The pair of buckles move backward in the pair of arc-shaped transparent grooves, pushing the front ends of the pair of brackets to tilt upward, driving the brackets to move upward synchronously, lifting the user's chin upward, achieving the effect of support and fixation, and at the same time pulling and correcting the problem of the cervical spine tilting to one side;

[0017] Furthermore, after adjusting to a suitable height, the knob is pressed, and the plurality of bevel teeth in the middle of the knob and a circle of teeth in the tooth hole of the cover are pressed to engage with each other and cannot rotate, thereby achieving a locking and fixing effect;

[0018] Furthermore, when the knob is pulled up, the plurality of oblique teeth provided in the middle of the knob are dislocated and separated from a circle of teeth in the tooth holes of the cover;

[0019] Furthermore, by rotating the knob counterclockwise, the gear rod rotates counterclockwise synchronously, driving the pair of buckles at the upper ends of the left arched tooth hole bar and the right arched tooth hole bar to synchronously descend in the pair of vertical transparent grooves respectively, and the pair of buckles move forward in the pair of arc-shaped transparent grooves, pushing the front ends of the pair of brackets to descend, driving the brackets to move downward synchronously, and lowering the brackets away from the user's chin to release the support fixation.

[0020] Compared with the prior art, the advantages of the present invention are:

[0021] The utility model discloses a neck traction fixator, comprising a base, a fixing plate, a pair of brackets and a bracket. When the knob is pulled up, a plurality of oblique teeth arranged in the middle of the knob are dislocated and separated from a circle of teeth in the tooth holes of the cover; when the knob is rotated clockwise, the gear rod rotates clockwise synchronously, driving a pair of buckles at the upper ends of the left arched tooth hole strip and the right arched tooth hole strip to rise synchronously in a pair of vertical transparent grooves respectively, and the pair of buckles move backward in a pair of arc-shaped transparent grooves, pushing the front ends of a pair of brackets to tilt upward, driving the brackets to move upward synchronously, lifting the user's chin upward, playing a supporting and fixing role, and at the same time traction and correction of the problem of cervical vertebra tilting to one side. The beneficial effects of simple structure, convenient adjustment, flexibility and practicality are achieved, and innovation, creativity and practicality are embodied. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a side view schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0024] Figure 3 This is a partial exploded schematic diagram of the regulating device of the present utility model;

[0025] Figure 4 It is a side longitudinal sectional schematic diagram of the overall structure of the utility model;

[0026] Figure 5 For the utility model Figure 4 Enlarged schematic diagram of the structure of part A in the middle. Implementation Method

[0027] The following diagrams illustrate various embodiments of the present invention. For clarity, many practical details will be included in the following description. However, it should be understood that these practical details are not intended to limit the present invention. In other words, in some embodiments of the present invention, these practical details are not essential. Furthermore, to simplify the drawings, some commonly used structures and components are depicted in simplified schematic form.

[0028] In this specific embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 As shown, a cervical traction fixator comprises a base 8, a fixing plate 10, a pair of brackets 3 and a bracket 1;

[0029] The base 8 is configured to be in the shape of a long-legged oblique "U", and two identical vertical through-grooves 27 are correspondingly provided on the left and right sides of the base 8. A pair of vertical through-grooves 27 are movably connected to the upper ends of the left arched tooth hole strip 18 and the upper ends of the right arched tooth hole strip 26 through a pair of buckles 13, respectively. A gear rod 22 is clamped at the center of the "U" shape of the base 8. The tooth holes 17 of the left arched tooth hole strip 18 are sleeved with the upper teeth of the gear rod 22, and the tooth holes 25 of the right arched tooth hole strip 26 are sleeved with the lower teeth of the gear rod 22, forming a linkage;

[0030] The upper end of the gear rod 22 is inserted into the limit stop 24 provided at the upper part of the "U"-shaped center position of the base 8; a pressure plate 15 is provided on the gear rod 22 to press and restrict the tooth holes 17 of the left arched tooth hole strip 18, the gear rod 22, and the tooth holes 25 of the right arched tooth hole strip 26, and is tightened and fixed with screws through a plurality of screw holes 16 provided around the pressure plate 15 and a plurality of screw holes 23 provided on the base 8, and a cover 5 is fixedly provided on the outside of the left arched tooth hole strip 18, the gear rod 22, and the right arched tooth hole strip 26;

[0031] The lower end of the gear rod 22 is movably connected to the bayonet 19 of the upper end 21 of the knob 6 through a universal joint 28. The knob 6 passes through a tooth hole 14 in the center of the lower part of the cover 5 to expose the knob head. A plurality of oblique teeth 20 are provided in the middle of the knob 6, which engage with a circle of teeth in the tooth hole 14 of the cover 5 to lock when pressed down, and are separated and rotated when pulled up to form a locked fixation.

[0032] In this specific embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4As shown, a pair of the brackets 3 are provided as two identical left and right brackets, the rear ends of the pair of the brackets 3 are movably connected to the rear ends of the long legs of the base 8 via a movable pin 12, and the front upper ends of the pair of the brackets 3 are movably connected to the two ends of the bracket 1 via a movable buckle 2; a pair of arc-shaped transparent grooves 4 are correspondingly provided at the front lower ends of the pair of the brackets 3;

[0033] The pair of arc-shaped transparent grooves 4 of a pair of the brackets 3 are movably clamped on the inner side of the base 8 by the pair of buckles 13 at the upper ends of the pair of arched tooth hole bars 18 and 26.

[0034] In this specific embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 As shown, a strap sleeve 11 is provided in the middle of the outer side of the fixing plate 10, and a strap 9 passes through the two ends of the strap sleeve 11 and is respectively connected with a pair of fixing holes 7 correspondingly provided in the middle of the base 8, and is adhered or separated by Velcro, which is convenient for tightening and loosening.

[0035] In this specific embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 As shown, a plurality of ventilation holes are provided on the middle portion of the bracket 1 , the middle portions of the pair of brackets 3 , and the fixing plate 10 .

[0036] Technical features and working principles

[0037] First, open the straps 9 and place the base 8 on the user's chest and shoulders. The pair of brackets 3 are located under the user's jaws on both sides, and the bracket 1 is located under the user's chin. Place the fixing plate 10 against the back of the user's neck. Connect the base 8 and the fixing plate 10 with the straps 9 and adjust the tightness to a comfortable size with the Velcro.

[0038] Furthermore, when the knob 6 is pulled up, the plurality of bevel teeth 20 provided in the middle of the knob 6 are dislocated and separated from a circle of teeth in the tooth hole 14 of the cover 5;

[0039] Furthermore, by rotating the knob 6 clockwise, the gear rod 22 rotates clockwise synchronously, driving the pair of buckles 13 at the upper ends of the left arched tooth hole strip 18 and the right arched tooth hole strip 26 to rise synchronously in the pair of vertical transparent grooves 27 respectively, and the pair of buckles 13 move backward in the pair of arc-shaped transparent grooves 4, pushing the front ends of the pair of brackets 3 to tilt upward, driving the bracket 1 to move upward synchronously, lifting the user's chin upward, achieving the effect of supporting and fixing, and at the same time pulling and correcting the problem of the cervical vertebra tilting to one side;

[0040] Furthermore, after adjusting to a suitable height, the knob 6 is pressed, and the plurality of bevel teeth 20 in the middle of the knob 6 and a circle of teeth in the tooth hole 14 of the cover 5 engage with each other and cannot rotate, achieving a locking and fixing effect;

[0041] Furthermore, when the knob 6 is pulled up, the plurality of bevel teeth 20 provided in the middle of the knob 6 are dislocated and separated from a circle of teeth in the tooth hole 14 of the cover 5;

[0042] Furthermore, the knob 6 is rotated counterclockwise, and the gear rod 22 rotates counterclockwise synchronously, driving the pair of the buckles 13 at the upper ends of the left arched tooth hole strip 18 and the right arched tooth hole strip 26 to synchronously descend in the pair of the vertical transparent grooves 27 respectively, and the pair of the buckles 13 move forward in the pair of the arc-shaped transparent grooves 4, pushing the front ends of the pair of the brackets 3 to descend, driving the bracket 1 to move downward synchronously, and lowering the bracket 1 away from the user's chin to release the support fixation.

[0043] Compared with the prior art, the advantages of the present invention are:

[0044] The utility model discloses a neck traction fixator, comprising a base, a fixing plate, a pair of brackets and a bracket. When the knob is pulled up, a plurality of oblique teeth arranged in the middle of the knob are dislocated and separated from a circle of teeth in the tooth holes of the cover; when the knob is rotated clockwise, the gear rod rotates clockwise synchronously, driving a pair of buckles at the upper ends of the left arched tooth hole strip and the right arched tooth hole strip to rise synchronously in a pair of vertical transparent grooves respectively, and the pair of buckles move backward in a pair of arc-shaped transparent grooves, pushing the front ends of a pair of brackets to tilt upward, driving the brackets to move upward synchronously, lifting the user's chin upward, playing a supporting and fixing role, and at the same time traction and correction of the problem of cervical vertebra tilting to one side. The beneficial effects of simple structure, convenient adjustment, flexibility and practicality are achieved, and innovation, creativity and practicality are embodied.

[0045] Finally, it should be noted that the specific embodiments described herein are merely illustrative of the spirit of the present invention and are not intended to limit its implementation. Persons skilled in the art of the present invention may make various modifications, additions, or substitute similar methods for the described embodiments. It is not necessary and impossible to provide a comprehensive list of all implementations. Obvious variations or modifications arising from the essential spirit of the present invention remain within the scope of protection of the present invention, and interpreting them as any additional limitations would be contrary to the spirit of the present invention.

Claims

1. A cervical traction immobilizer, characterized in that: It includes a base, a fixing plate, a pair of brackets and a bracket; The base is configured to be in the shape of a long-legged oblique "U", and two identical vertical through grooves are correspondingly provided on the left and right sides at the middle position of the base. A pair of the vertical through grooves are movably connected to the upper ends of the left arched tooth hole strip and the upper ends of the right arched tooth hole strip respectively through a pair of buckles. A gear rod is clamped at the center position of the "U" shape of the base, and the tooth holes of the left arched tooth hole strip are sleeved with the upper teeth of the gear rod, and the tooth holes of the right arched tooth hole strip are sleeved with the lower teeth of the gear rod, forming a linkage; The upper end of the gear rod is inserted into the limit stop provided at the upper part of the "U"-shaped center position of the base; a pressure plate is provided on the gear rod to press and restrict the tooth hole part of the left arched tooth hole bar, the gear rod, and the tooth hole part of the right arched tooth hole bar, and is tightened and fixed with screws through a plurality of screw holes provided around the pressure plate and a plurality of screw holes provided on the base, and a cover is fixedly provided on the outside of the left arched tooth hole bar, the gear rod, and the right arched tooth hole bar; The lower end of the gear rod is movably connected to the bayonet at the upper end of the knob through a universal joint. The knob passes through a tooth hole in the center of the lower part of the cover to expose the knob head. A number of oblique teeth are provided in the middle of the knob, which engage with a circle of teeth in the tooth hole of the cover to lock when pressed down, and separate and rotate when pulled up.

2. The cervical traction fixator according to claim 1, characterized in that: The pair of brackets are provided as two identical left and right brackets, the rear ends of the pair of brackets are movably connected to the rear ends of the long legs of the base via a movable pin, and the front upper ends of the pair of brackets are movably connected to the two ends of the bracket via a movable buckle; the front lower ends of the pair of brackets are respectively provided with a pair of arc-shaped transparent grooves; The left and right arc-shaped transparent grooves of a pair of the brackets are movably clamped on the inner side of the base by a pair of the buckles at the upper ends of a pair of the arched tooth hole bars.

3. The cervical traction fixator according to claim 2, characterized in that: A strap sleeve is provided in the middle of the outer side of the fixing plate, and a strap passes through the two ends of the strap sleeve and is respectively connected with a pair of fixing holes provided in the middle of the base, and is adhered or separated by a hook and loop.

4. The cervical traction fixator according to claim 3, characterized in that: A plurality of ventilation holes are provided in the middle of the bracket, the middle of a pair of brackets, and the fixing plate.