Head CT fixing and supporting device
Through the bidirectional screw system driven by servo cylinder, rack transmission and servo motor, the problem that the existing head CT fixed support device cannot be adjusted is solved, and the patient's head is accurately positioned and comfortable support is achieved, which improves the safety and comfort of CT detection.
Patent Information
- Application Number
- CN202422259383.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-09-14
AI Technical Summary
The existing head CT fixing support device cannot be adjusted according to the patient's head circumference, which is not suitable for patients of different ages, affecting the normal progress of CT detection.
The servo cylinder and rack transmission system are adopted, combined with a bidirectional screw driven by a servo motor, to achieve precise control of the position of the head support pad and adjustment plate, equipped with a limiting plate and side padding to limit head movement, and a damping spring is used to provide cushioning.
It achieves accurate positioning and comfortable support of the patient's head, prevents sliding or discomfort, and improves the safety and comfort of CT detection.
Smart Images

Figure CN223248227U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of head detection, in particular to a head CT fixing and supporting device. Background Art
[0002] CT (Computed Tomography) is a medical imaging technique that uses X-ray beams to scan the human body layer by layer, using computer processing to produce detailed images of the body's internal structures. CT scans, with their rapid and clear imaging capabilities, are widely used in the diagnosis of various diseases.
[0003] After searching, it was found that the Chinese patent with application number 202321838092.1 discloses a head CT fixing support device, including a fixing seat, a groove is provided in the fixing seat, an adjusting plate is slidably connected in the groove, a cover plate is connected to the upper end of the groove by a bolt, a first screw is rotatably connected between the cover plate and the bottom of the groove, and the first screw is screwed to the adjusting plate, the upper end of the adjusting plate is fixedly connected to a connecting plate, the connecting plate extends to the upper side of the fixing seat, the upper end of the connecting plate is provided with a support seat, the lower end of the support seat is connected to the support plate by bolts, and a lower sponge pad is bonded to the upper end of the support plate, a slot is provided at the upper end of the support seat, a horizontal plate is inserted in the slot, a pressure plate is placed on the lower side of the horizontal plate, and a second screw is screwed on the horizontal plate, so that the patient's head is supported and fixed while having good comfort, and the fixing operation is simple and convenient, which is convenient for medical staff to use.
[0004] The above utility model has the following problems:
[0005] In the above application, the upper end of the patient's head is limited, which will affect the normal CT detection and is incompatible with the CT detection machine. In the above application, the adjustment cannot be made according to the patient's head circumference and is not suitable for patients of different ages.
[0006] Therefore, those skilled in the art have provided a head CT fixing and supporting device to solve the problems raised in the above background technology. Utility Model Content
[0007] The purpose of the present invention is to provide a head CT fixing and supporting device to solve the problems raised in the above background technology.
[0008] To achieve the above objectives, the present invention provides the following technical solutions:
[0009] A head CT fixed support device includes a load-bearing plate, an adjustment mechanism, and a fixing mechanism. One end of the upper end surface of the load-bearing plate is fixedly connected to a body support pad, and the other end of the upper end surface of the load-bearing plate is fixedly connected to a base plate. One end of the upper end surface of the base plate is fixedly connected to a pair of symmetrically arranged limit blocks. An adjustment rod is rotatably connected between the two groups of limit blocks. The outer side walls of the adjustment rods are fixedly connected to a pair of symmetrically arranged linkage rods. The ends of the linkage rods are fixedly connected to the adjustment plate. The upper end of the adjustment plate is provided with a fixing mechanism, and the upper end surface of the base plate is provided with an adjustment mechanism.
[0010] As a further solution of the present invention: the upper end surface of the base plate is fixedly connected to the end away from the adjusting rod with a servo cylinder, the upper end of the servo cylinder is equipped with a piston rod, the end of the piston rod away from the servo cylinder is fixedly connected to a fixed plate, the other end of the fixed plate is fixedly connected to a rack, the upper end of the rack is movably connected to a driven gear, the driven gear is fixedly connected to the adjusting rod, the bottom end of the rack is fixedly connected to a slider, the bottom end of the slider is slidably connected to the slider, and the slider is fixedly connected to the base plate.
[0011] As a further solution of the present invention: a transmission compartment is provided on the upper end surface of the adjustment plate, a bidirectional screw is rotatably connected in the transmission compartment, one end of the bidirectional screw is fixedly connected to a servo motor, the servo motor is fixedly connected to the adjustment plate, and the left and right ends of the outer side walls of the bidirectional screw are threadedly connected to threaded sleeves, the upper ends of the threaded sleeves are fixedly connected to connecting blocks, the upper ends of the connecting blocks are fixedly connected to electric telescopic rods, and the end of the electric telescopic rod close to the bidirectional screw is fixedly connected to a connecting rod.
[0012] As a further solution of the present invention: the end of the connecting rod close to the bidirectional screw rod is fixedly connected to the sleeve rod, a damping spring is fixedly connected between the connecting rod and the sleeve rod, the end of the sleeve rod close to the bidirectional screw rod is fixedly connected to the limit plate, the end of the limit plate close to the bidirectional screw rod is fixedly connected to the side pad, and the head pad is fixedly connected to the center of the upper end surface of the adjustment plate.
[0013] As a further solution of the present invention: the driven gear is meshed with the rack.
[0014] Compared with the prior art, the beneficial effects of the present invention are:
[0015] Because it is equipped with an adjustment mechanism and uses a servo cylinder and rack drive, precise motion control can be achieved, ensuring the precise movement of the piston rod and the adjustment plate to ensure that the patient's head is supported in the most comfortable position; because it is equipped with a fixing mechanism, the position of the head support pad and the adjustment plate can be precisely controlled by driving the bidirectional lead screw with a servo motor to ensure that they are adjusted to the position and height that best suits the patient. The limit plate and side cushions can effectively limit the range of movement of the patient's head to prevent accidental sliding or discomfort, thereby ensuring the safety and comfort of the patient. The use of internal damping springs enables the side cushions to provide cushioning when they contact the patient's head, avoiding excessive clamping of the side cushions that may cause discomfort to the patient, thereby improving the comfort of use. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a structural diagram of the head CT fixed support device.
[0017] Figure 2 This is a schematic diagram of the structure of the base plate in the head CT fixed support device.
[0018] Figure 3 This is a schematic diagram of the structure of the adjustment plate in the head CT fixed support device.
[0019] Figure 4 This is a schematic diagram of the structure of the bidirectional screw in the head CT fixed support device.
[0020] Figure 5 This is a schematic diagram of the side cross-sectional structure of the connecting rod in the head CT fixed support device.
[0021] In the figure: 1. Load-bearing plate; 2. Body support pad; 3. Bottom plate; 4. Limit block; 5. Adjustment rod; 6. Linkage rod; 7. Adjustment plate; 8. Driven gear; 9. Rack; 10. Slider; 11. Slide rail; 12. Fixed plate; 13. Piston rod; 14. Servo cylinder; 15. Transmission chamber; 16. Servo motor; 17. Bidirectional lead screw; 18. Threaded sleeve; 19. Connecting block; 20. Electric telescopic rod; 21. Connecting rod; 22. Sleeve rod; 23. Damping spring; 24. Limit plate; 25. Side cushion; 26. Head cushion. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] Example 1
[0024] Reference Figure 1-5 This embodiment provides a head CT fixed support device, including a bearing plate 1, a body support pad 2, a base plate 3, a limit block 4, an adjustment rod 5, a linkage rod 6, Adjusting plate 7, driven gear 8, rack 9, slider 10, slide rail 11, fixed plate 12, piston rod 13, servo cylinder 14, transmission chamber 15, servo motor 16, bidirectional screw 17, threaded sleeve 18, connecting block 19, electric telescopic rod 20, connecting rod 21, sleeve rod 22, damping spring 23, limit plate 24, side cushion 25, head cushion 26; one end of the upper end surface of the bearing plate 1 is fixedly connected to the body support pad 2, the other end of the upper end surface of the bearing plate 1 is fixedly connected to the base plate 3, one end of the upper end surface of the base plate 3 is fixedly connected to a pair of symmetrically arranged limit blocks 4, the two groups of limit blocks 4 are rotatably connected with an adjusting rod 5, the outer side wall of the adjusting rod 5 is fixedly connected to a pair of symmetrically arranged linkage rods 6, the end of the linkage rod 6 is fixedly connected to the adjusting plate 7, the upper end of the adjusting plate 7 is provided with a fixing mechanism, and the upper end surface of the base plate 3 is provided with an adjusting mechanism.
[0025] Example 2
[0026] Reference Figure 1 、 2 This embodiment is based on the previous embodiment, and is different from the previous embodiment in that the upper end surface of the base plate 3 is fixedly connected to the end away from the adjusting rod 5 with a servo cylinder 14, and the upper end of the servo cylinder 14 is equipped with a piston rod 13, and the end of the piston rod 13 away from the servo cylinder 14 is fixedly connected to a fixed plate 12, and the other end of the fixed plate 12 is fixedly connected to a rack 9, and the upper end of the rack 9 is movably connected to a driven gear 8, which is fixedly connected to the adjusting rod 5, and the bottom end of the rack 9 is fixedly connected to a slider 10, and the bottom end of the slider 10 is slidably connected to the slider 10, and the slider 10 is fixedly connected to the base plate 3, and the driven gear 8 is meshed with the rack 9; when the servo cylinder 14 is started, the servo cylinder 14 drives the piston rod 13 forward, and the piston rod 13 drives the rack 9 to move, and the rack plate is meshed with the driven gear 8, thereby driving the driven gear 8 to rotate, driving the adjusting rod 5 to rotate, so that the linkage rod 6 drives the adjusting plate 7 to adjust the angle, and adjust it to a comfortable angle for the patient.
[0027] Example 3
[0028] Reference Figure 1 、 3, 4, 5. This embodiment is based on the previous embodiment, and is different from the previous embodiment in that a transmission compartment 15 is provided on the upper end surface of the adjustment plate 7, and a bidirectional screw rod 17 is rotatably connected in the transmission compartment 15. One end of the bidirectional screw rod 17 is fixedly connected to a servo motor 16, and the servo motor 16 is fixedly connected to the adjustment plate 7. The left and right ends of the outer wall of the bidirectional screw rod 17 are threadedly connected to threaded sleeves 18, and the upper ends of the threaded sleeves 18 are fixedly connected to connecting blocks 19, and the upper ends of the connecting blocks 19 are fixedly connected to electric telescopic rods 20. The ends of the electric telescopic rods 20 close to the bidirectional screw rod 17 are fixedly connected to connecting rods 21, and the ends of the connecting rods 21 close to the bidirectional screw rod 17 are fixedly connected to sleeve rods 22. A damping spring 23 is fixedly connected between the connecting rods 21 and the sleeve rods 22, and the sleeve rods 22 are close to the bidirectional screw rods 17. One end of each is fixedly connected to a limit plate 24, and one end of each limit plate 24 close to the bidirectional screw rod 17 is fixedly connected to a side cushion 25, and the center position of the upper end surface of the adjusting plate 7 is fixedly connected to a head cushion 26; the patient lies flat on the upper end of the body support pad 2, and his head lies on the head cushion 26 of the adjusting plate 7, and the servo motor 16 is started. The servo motor 16 drives the bidirectional screw rod 17 to rotate, and the bidirectional screw rod 17 drives the threaded sleeves 18 threadedly connected at the left and right ends to move toward the center position of the adjusting plate 7 at the same time, so that the limit plate 24 and the side cushions 25 limit the two sides of the patient's head. The height can be adjusted by the electric telescopic rod 20. When the side cushions 25 contact the patient's head, the sleeve rod 22 moves backward through the internal damping spring 23, which cushions the patient and prevents the side cushions 25 from being clamped too tightly and causing discomfort to the patient.
[0029] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
[0030] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.
Claims
1. A head CT fixing support device, comprising a bearing plate (1), an adjustment mechanism and a fixing mechanism, characterized in that: One end of the upper end surface of the carrier plate (1) is fixedly connected to a body support pad (2), the other end of the upper end surface of the carrier plate (1) is fixedly connected to a bottom plate (3), one end of the upper end surface of the bottom plate (3) is fixedly connected to a pair of symmetrically arranged limit blocks (4), an adjustment rod (5) is rotatably connected between the two groups of limit blocks (4), the outer side walls of the adjustment rod (5) are fixedly connected to a pair of symmetrically arranged linkage rods (6), the ends of the linkage rods (6) are fixedly connected to an adjustment plate (7), the upper end of the adjustment plate (7) is provided with a fixing mechanism, and the upper end surface of the bottom plate (3) is provided with an adjustment mechanism.
2. The head CT fixing support device according to claim 1, characterized in that: The regulating mechanism comprises a driven gear (8), a rack (9), a slider (10), a slide rail (11), a fixed plate (12), a piston rod (13), and a servo cylinder (14). The upper end surface of the base plate (3) is fixedly connected to the servo cylinder (14) at one end away from the regulating rod (5). The upper end of the servo cylinder (14) is equipped with a piston rod (13).
3. The head CT fixing support device according to claim 2, characterized in that: One end of the piston rod (13) away from the servo cylinder (14) is fixedly connected to a fixed plate (12), the other end of the fixed plate (12) is fixedly connected to a rack (9), the upper end of the rack (9) is movably connected to a driven gear (8), the driven gear (8) is fixedly connected to the adjusting rod (5), the bottom end of the rack (9) is fixedly connected to a slider (10), the bottom end of the slider (10) is slidably connected to the slider (10), and the slider (10) is fixedly connected to the base plate (3).
4. The head CT fixing support device according to claim 1, characterized in that: The fixing mechanism comprises a transmission chamber (15), a servo motor (16), a bidirectional screw rod (17), a threaded sleeve (18), a connecting block (19), an electric telescopic rod (20), a connecting rod (21), a sleeve rod (22), a damping spring (23), a limit plate (24), a side cushion (25), and a head cushion (26). The upper end surface of the adjustment plate (7) is provided with a transmission chamber (15), a bidirectional screw rod (17) is rotatably connected in the transmission chamber (15), one end of the bidirectional screw rod (17) is fixedly connected to the servo motor (16), and the servo motor (16) is fixedly connected to the adjustment plate (7).
5. The head CT fixing support device according to claim 4, characterized in that: The left and right ends of the outer wall of the bidirectional screw rod (17) are both threadedly connected to threaded sleeves (18), the upper ends of the threaded sleeves (18) are fixedly connected to connecting blocks (19), the upper ends of the connecting blocks (19) are fixedly connected to electric telescopic rods (20), and the ends of the electric telescopic rods (20) close to the bidirectional screw rod (17) are fixedly connected to connecting rods (21).
6. The head CT fixing support device according to claim 5, characterized in that: The end of the connecting rod (21) close to the bidirectional screw rod (17) is fixedly connected to the sleeve rod (22), and a damping spring (23) is fixedly connected between the connecting rod (21) and the sleeve rod (22). The end of the sleeve rod (22) close to the bidirectional screw rod (17) is fixedly connected to the limit plate (24), and the end of the limit plate (24) close to the bidirectional screw rod (17) is fixedly connected to the side cushion (25). The center position of the upper end surface of the adjustment plate (7) is fixedly connected to the head cushion (26).
7. The head CT fixing support device according to claim 3, characterized in that: The driven gear (8) is meshed with the rack (9).
Citation Information
Patent Citations
Head CT fixing and supporting device
CN220876784U