A radiology ct head holder for children
By designing a head immobilizer for pediatric radiology CT scans, using an inclined T-shaped support and a semi-enclosed spherical fixation helmet, combined with airbags and foam pads, the problem of inaccurate scanning and discomfort caused by excessive head curvature in children is solved, achieving a higher level of fixation and comfort.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 李嘉欣
- Filing Date
- 2025-01-10
- Publication Date
- 2026-06-26
AI Technical Summary
In existing technologies, adult headrests cause children's heads to bend excessively, affecting the clarity and accuracy of CT scan images. At the same time, the pressure of the fixation device increases children's discomfort and affects the clarity of local angiography.
A head immobilizer for pediatric radiology CT scans was designed, which uses an inclined T-shaped support and a semi-enclosed spherical helmet, combined with an airbag and a sponge pad. The airbag fits snugly against the child's head to reduce pressure, and carbon fiber materials and dampers are used to improve stability and comfort.
It improves head fixation in children, enhances the accuracy and comfort of CT scans, reduces discomfort in children, and ensures clarity of local angiography.
Smart Images

Figure CN224403669U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical device technology, specifically to a head fixation device for pediatric radiology CT scans. Background Technology
[0002] CT, or computed tomography, is a medical imaging technique. It uses precisely collimated X-ray beams, gamma rays, ultrasound, etc., along with highly sensitive detectors, to perform a series of cross-sectional scans around a specific part of the body. It features fast scanning time and clear images, and can be used to examine a variety of diseases.
[0003] When performing CT head scans on children, the stability of the head directly affects the clarity of the scanned images and the accuracy of the diagnosis. A typical adult headrest can cause the child's head to bend too much, which can lead to a large difference between the scanned plane and the actual baseline angle, affecting the accuracy of the test results. Adding a fixator to fix the child's head with pressure can increase the child's discomfort, and the adjustment mechanism of the fixator can come into contact with the child's head, affecting the clarity of local angiography. Utility Model Content
[0004] To address the aforementioned issues, such as the common problem that adult headrests cause excessive curvature of children's heads, affecting the accuracy of test results, and the problem that adding a fixator to fix the child's head with pressure increases the child's discomfort and that the adjustment mechanism of the fixator comes into contact with the child's head, affecting the clarity of local imaging, this invention provides a head fixator for pediatric radiology CT.
[0005] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: a head fixation device for pediatric radiology CT scans, including a support body and a fixing helmet. The support body is an inclined T-shaped structure, and a connecting block is provided at the lower end of the support body. The T-shaped head of the support body has an inwardly recessed installation area. The fixing helmet is fixed in the installation area. The fixing helmet is a semi-enclosed sphere. The fixing helmet is arranged through the front and back. Airbags are symmetrically provided on both sides inside the fixing helmet. The fixing helmet body is covered with a sponge pad and the outer edges are chamfered and softly padded.
[0006] As an improvement, the support body is provided with several stress holes, the support body near the connecting plug is made of an elastic material, a damper is provided in the stress hole on the lower side, the lower end of the damper is fixed on the connecting plug, and the lower side of the support body is thickened.
[0007] As an improvement, the airbag is an inwardly concave cone shape, and the airbag is connected to an air tube that extends from inside the fixed helmet body to the outside.
[0008] As an improvement, the connecting plug is an arc-shaped plate with several mounting holes inside.
[0009] As an improvement, the upper side of the fixed helmet body is provided with an adjustable fixing strap one, and the middle of the fixing strap one is provided with an anti-slip sticker. The lower sides of the fixed helmet body are provided with fixing strap two, and the fixing strap two are connected to each other by Velcro.
[0010] The advantages of this utility model are: 1. Improved fixation effect and convenient use. The child's head is surrounded and protected by a semi-enclosed fixed helmet body that is suitable for the normal head size of children. The fixed helmet body is easy to install and connect with the CT mobile bed and can be used as a replacement part for adult headrests.
[0011] 2. To improve the comfort of children during the examination, the airbag is inflated through the trachea until it deforms and fits the child's head. The airbag has low pressure per unit area, which reduces the pressure of the fixation structure on the child's head and avoids causing the child to have negative emotions. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of this utility model.
[0013] Figure 2 This is a bottom view of the present invention.
[0014] Figure 3 This is a schematic diagram of the installation structure of the support body and the CT mobile bed of this utility model.
[0015] As shown in the figure: 1. Support body; 2. Fixed helmet; 3. Connecting plug; 4. Installation area; 5. Airbag; 6. Stress hole; 7. Damper; 8. Air tube; 9. Mounting hole; 10. Fixing strap one; 11. Anti-slip sticker; 12. Fixing strap two. Detailed Implementation
[0016] The present invention will now be described in further detail with reference to the accompanying drawings.
[0017] Combined with appendix Figure 1 , Figure 2 , Figure 3A pediatric CT head fixation device includes a support body 1 and a fixation helmet 2. Both the support body 1 and the fixation helmet 2 are hollow shells made of carbon fiber. Carbon fiber material has good electromagnetic shielding performance and can effectively resist electromagnetic interference generated by CT equipment, ensuring the accuracy of examination results. The support body 1 is an inclined T-shaped structure. The lower end of the support body 1 is provided with a connecting plug 3. The T-shaped head of the support body 1 is provided with an inwardly recessed installation area 4. The fixation helmet 2 is fixed in the installation area 4. The fixation helmet 2 is a semi-enclosed sphere. The fixation helmet 2 is arranged through the front and back. Airbags 5 are symmetrically arranged on both sides inside the fixation helmet 2. The inside of the fixation helmet 2 is covered with a sponge pad and the outer edges are chamfered and softly padded.
[0018] The support body 1 has several stress holes 6. The support body 1 near the connecting plug 3 is made of an elastic material. A damper 7 is installed in the stress hole 6 on the lower side. The lower end of the damper 7 is fixed to the connecting plug 3. The lower side of the support body 1 is thickened. The support body 1 is a solid carbon fiber structure. Carbon fiber has a high elastic modulus, which can resist deformation and maintain good shape stability when subjected to force. The damper 7 can further prevent large deformation of the support body 1, improve the deformation feedback to the child's head when the fixed helmet 2 is pressed down, and improve the comfort of use and the structural strength of the support body 1.
[0019] The airbag 5 is an inwardly concave cone shape. The airbag 5 is connected to the air tube 8, which extends from inside the fixed helmet 2 to the outside. The two air tubes 8 connected to the airbag 5 extend to the outside of the fixed helmet 2 and are sealed by threaded plugs. After the child's head enters the fixed helmet 2, the airbag 5 can be inflated through the air tube 8 until the airbag 5 deforms and fits the child's head, improving the fixation effect. The airbag 5 has a small pressure per unit area, which can avoid the discomfort caused to the child's head by the fixation structure. The airbag 5 is thin, which can minimize the impact of the fixation structure on the CT results.
[0020] The connecting plug 3 is an arc-shaped plate with several mounting holes 9 inside. The connecting plug 3 can be directly installed inside the front end of the CT moving bed and fastened by inserting long bolts into the multiple mounting holes 9, making it easy to use and install.
[0021] The upper side of the fixed helmet 2 is equipped with an adjustable fixing strap 10, and the middle of the fixing strap 10 is equipped with an anti-slip pad 11. The lower sides of the fixed helmet 2 are equipped with fixing straps 2 12, which are connected by Velcro. The fixing straps 10 and 2 12 are used to assist in fixing the child's forehead and chin.
[0022] In a specific implementation of this invention, when a child undergoes a CT scan, the connecting plug is installed at the end of the CT mobile bed through the mounting hole, replacing the adult headrest. The child lies flat on the CT mobile bed with their head placed inside the fixed helmet, keeping their face upward and their ears in the center of the airbag. The airbag is inflated through the trachea until the child's head can no longer tilt to one side, and then the first fixing strap is adjusted so that the anti-slip patch fits against the forehead. The second fixing strap is simultaneously pulled tight and fitted to the chin, and then fixed with Velcro.
[0023] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.
Claims
1. A head immobilizer for pediatric radiology CT scans, characterized in that: Includes a support body (1) and a fixed helmet (2). The support body (1) is an inclined T-shaped structure. The lower end of the support body (1) is provided with a connecting plug (3). The T-shaped head of the support body (1) is provided with an inwardly recessed mounting area (4). The fixed helmet (2) is fixed in the mounting area (4). The fixed helmet (2) is a semi-enclosed sphere. The fixed helmet (2) is arranged through the front and back. The fixed helmet (2) is provided with airbags (5) symmetrically arranged on both sides inside the fixed helmet (2).
2. The pediatric CT head fixation device according to claim 1, characterized in that: The support body (1) is provided with a plurality of stress holes (6). The support body (1) near the connecting plug (3) is made of an elastic material. A damper (7) is provided in the stress hole (6) on the lower side. The lower end of the damper (7) is fixed on the connecting plug (3). The lower side of the support body (1) is thickened.
3. The pediatric CT head fixation device according to claim 1, characterized in that: The airbag (5) is a concave cone shape, and the airbag (5) is connected to an air tube (8), which extends from inside the fixed helmet (2) to the outside.
4. A pediatric CT head fixation device according to claim 1, characterized in that: The connecting plug (3) is an arc-shaped plate, and the connecting plug (3) has a plurality of mounting holes (9).
5. A pediatric CT head fixation device according to claim 1, characterized in that: The upper side of the fixed helmet (2) is provided with an adjustable fixing strap (10), and the middle of the fixing strap (10) is provided with an anti-slip sticker (11). The lower sides of the fixed helmet (2) are provided with fixing straps (12), and the fixing straps (12) are connected by Velcro.