Head fixing device
By designing a head fixing device including arcuate grooves, arcuate blocks, support plates, fixing plates and power members, the problem of inability to effectively fix the patient's head in the prior art is solved, stable fixation of the head is achieved, and the quality and efficiency of CT scan are improved.
Patent Information
- Application Number
- CN202421547602.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-02
AI Technical Summary
The existing head fixation device cannot effectively prevent the patient's head from shaking left and right, resulting in repeated scans required during CT scans, and the image quality is easily affected.
A head fixing device is designed, including a base, a curved groove, a curved block, a support plate, a fixing plate and a power member. The arc-shaped block can support the neck, and the fixing plate moves to the inside through the driving force member to fix the patient's head from both sides. The arc-shaped plate fixes the head from above. The power member can adjust the distance between the fixed plates to accommodate different head sizes.
Effectively fix the patient's head, prevent left and right shaking, improve the stability and image quality of CT scans, and reduce the number of repeated scans.
Smart Images
Figure CN222853899U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of head fixing, in particular to a head fixing device. Background Art
[0002] Imaging is a medical imaging technology that uses X-rays and computer processing technology to generate detailed cross-sectional images of internal tissues. CT scans can provide clearer and more detailed images of internal structures than ordinary X-rays, so they are of great value in diagnosing a variety of diseases and conditions. At present, when a patient's head undergoes a CT scan, the head fixation device is based on the examination bedside bracket. The middle part of the straight-line restraint strap is placed on the forehead, the two ends of the strap are tightened, and the empty part of the head bracket is filled with foam to fix the patient's head.
[0003] In the prior art, the head restraint by a strap can only prevent the patient's head from moving up and down, but cannot prevent the patient's head from shaking left and right. Once the patient's head shakes, the doctor needs to repeat the scan multiple times to barely complete the examination, and the image quality is easily affected.
[0004] Therefore, the utility model provides a head fixing device. Utility Model Content
[0005] In order to make up for the shortcomings of the existing technology, the problem that the restraint of the head by the strap can only prevent the patient's head from moving up and down, but cannot prevent the patient's head from shaking left and right, so that once the patient's head shakes, the doctor needs to repeat the scan many times to barely complete the examination, and the image quality is easily affected.
[0006] The technical solution adopted by the utility model to solve its technical problems is: a head fixing device described in the utility model comprises a base; an arc-shaped groove is provided at the top of the base; a pair of arc-shaped blocks are provided in the arc-shaped groove; a pair of support plates are provided at the top of the base; a pair of support plates are provided with fixing plates on opposite sides; a pair of fixing plates are fixedly connected to the top of the arc-shaped plates; a pair of support plates are slidably connected to a sliding rod through a sliding hole on one side; a pair of sliding rods are fixedly connected to one side of the fixing plate at one end; a pair of sliding rods are fixedly connected to a connecting plate at one end; a power piece is provided on one side of the support plate; the power piece is used to drive the fixing plate to move.
[0007] Preferably, the power member includes a first threaded rod; a pair of the first threaded rods are rotatably connected to one side of a pair of support plates respectively; a threaded collar is threadedly connected to the pair of the first threaded rods; and a pair of the connecting plates are fixedly connected to the threaded collar.
[0008] Preferably, a pair of grooves are provided at the top of the base; a sliding plate is slidably connected in the pair of grooves; the top ends of the pair of sliding plates are fixedly connected to the bottom ends of the support plates; a two-way threaded rod is provided on one side of the base, and one end of the two-way threaded rod passes through one side of the base and is rotatably connected to one side inside the base; the pair of sliding plates are threadedly connected to the two-way threaded rod; one end of the two-way threaded rod is fixedly connected to the first rotating wheel.
[0009] Preferably, a pair of slide grooves are provided at the top of the base; a pair of arc blocks are respectively slidably connected in the slide grooves; a pair of L-shaped rods are slidably connected inside the base; one side of the pair of L-shaped rods is respectively fixed to one side of the arc block; and the other side of the pair of L-shaped rods is fixed to one side of the sliding block.
[0010] Preferably, one end of a pair of the first threaded rods is fixedly connected to a second rotating wheel; and the second rotating wheel is provided with a knurling pattern.
[0011] Preferably, a sponge pad is provided on one side of the fixing plate.
[0012] The beneficial effects of the utility model are as follows:
[0013] 1. A head fixing device described in the utility model is provided with a base, and an arc groove is provided on the top of the base. After the patient lies on the CT imaging bed, the patient lies the head in the arc groove. The arc block provided in the arc groove can support the patient's neck. A pair of support plates are provided on the top of the base, a fixing plate is provided between the pair of support plates, and an arc plate is provided on the top of the fixing plate. The fixing plate can be driven by a power piece to move inward to fix the patient's head from both sides. The pair of arc plates will fix the patient's head from above, and the staff can adjust the distance between the fixing plates through the power piece according to the size of the patient's head.
[0014] 2. The head fixing device described in the utility model has a pair of slide grooves in the arc groove, and then a pair of arcs are set in the slide groove in a sliding connection manner. When the staff adjusts the support plate, the support plate will drive the L-shaped rod to drive the pair of arc blocks to both sides. When the patient lies down, the support plate is moved inward, and the arc blocks will move inward together. When the pair of arc blocks reach the patient's neck and support the patient's neck, the support plate does not need to be adjusted. Everyone's neck is roughly the same, but there will be differences. The fixed arc block is not suitable for every patient's neck support. Setting the arc block to be adjustable can increase the adaptability of the arc block, so that the patient's neck can be well relaxed when supporting the head. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The utility model will be further described below in conjunction with the accompanying drawings.
[0016] Figure 1 It is a three-dimensional diagram of the utility model;
[0017] Figure 2 It is the front view of the utility model;
[0018] Figure 3 It is a cross-sectional view in the utility model;
[0019] Figure 4 It is a schematic diagram of a local structure in the utility model;
[0020] Figure 5 yes Figure 4 A magnified view of middle;
[0021] In the figure: 1, base; 2, arc groove; 3, arc block; 4, support plate; 5, fixed plate; 6, arc plate; 7, slide rod; 8, connecting plate; 9, first threaded rod; 10, threaded collar; 11, groove; 12, sliding plate; 13, bidirectional threaded rod; 14, first rotating wheel; 15, slide groove; 16, L-shaped rod; 17, second rotating wheel. DETAILED DESCRIPTION
[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0023] like Figures 1 to 5 As shown, a head fixing device described in an embodiment of the utility model comprises a base 1; an arc groove 2 is provided at the top of the base 1; a pair of arc blocks 3 are provided in the arc groove 2; a pair of support plates 4 are provided at the top of the base 1; a pair of fixing plates 5 are provided at opposite sides of the support plates 4; a pair of fixing plates 5 are fixedly connected to the top of the arc plate 6; a pair of support plates 4 are slidably connected to a sliding rod 7 through a sliding hole on one side; a pair of sliding rods 7 are fixedly connected to one side of the fixing plate 5 at one end; a pair of sliding rods 7 are fixedly connected to a connecting plate 8 at one end; a power piece is provided on one side of the support plate 4; the power piece is used to drive the fixing plate 5 to move When working, a base 1 is set, and an arc groove 2 is opened on the top of the base 1. After the patient lies on the CT imaging bed, the head lies in the arc groove 2. The arc block 3 arranged in the arc groove 2 can support the patient's neck. A pair of support plates 4 are set on the top of the base 1, and a fixing plate 5 is set between the pair of support plates 4. An arc plate 6 is set on the top of the fixing plate 5. The fixing plate 5 can be driven by a power piece to move inward to fix the patient's head from both sides. The pair of arc plates 6 will fix the patient's head from above, and the staff can adjust the distance between the fixing plates 5 through the power piece according to the size of the patient's head.
[0024] The power member includes a first threaded rod 9; a pair of the first threaded rods 9 are respectively rotatably connected to one side of a pair of support plates 4; a threaded collar 10 is threadedly connected to the pair of the first threaded rods 9; a pair of the connecting plates 8 are fixedly connected to the threaded collar 10. When working, by arranging the first threaded rod 9 on one side of the pair of support plates 4, the first threaded rod 9 can be rotated after the patient lies down, so that the threaded collar 10 drives the connecting plate 8 to move the fixing plate 5 toward the patient's head until it fits against the patient's head for fixing.
[0025] A pair of grooves 11 are provided at the top of the base 1; a sliding plate 12 is slidably connected in the pair of grooves 11; the top ends of the pair of sliding plates 12 are fixedly connected to the bottom ends of the support plates 4; a bidirectional threaded rod 13 is provided on one side of the base 1, and one end of the bidirectional threaded rod 13 passes through one side of the base 1 and is rotatably connected to one side of the inside of the base 1; a pair of sliding plates 12 are threadedly connected to the bidirectional threaded rod 13; one end of the bidirectional threaded rod 13 is fixedly connected to the first rotating wheel 14. During operation, a pair of grooves 11 are provided at the top of the base 1, and the sliding plates 12 are slidably connected in the pair of grooves 11, and the sliding plates 12 are fixedly connected to the bottom ends of the support plates 4. Before the patient lies on the CT imaging bed, the staff can rotate the bidirectional threaded rod 13 to make the pair of support plates 4 move backward in relative directions to expand the distance between the support plates 4, so as to prevent the support plates 4 from bumping against the patient when the patient lies on the CT imaging bed because the distance between the support plates 4 is fixed, causing secondary injury to the patient.
[0026] A pair of slide grooves 15 are provided at the top of the base 1; a pair of the arc blocks 3 are respectively slidably connected in the slide grooves 15; a pair of L-shaped rods 16 are slidably connected inside the base 1; one side of the pair of L-shaped rods 16 is respectively fixed to one side of the arc block 3; the other side of the pair of L-shaped rods 16 is fixed to one side of the sliding block. When working, a pair of slide grooves 15 are provided in the arc groove 2, and then a pair of arcs are set in the slide groove 15 in a sliding connection manner. When the staff adjusts the support plate 4, the support plate 4 will drive the L-shaped rod 16 to move the pair of arcs. The arc block 3 is driven to both sides. When the patient lies down, the support plate 4 is moved inward, and the arc block 3 will move inward together. When a pair of arc blocks 3 reaches the patient's neck and supports the patient's neck, there is no need to adjust the support plate 4. Everyone's neck is roughly the same, but there are still differences. The fixed arc block 3 is not suitable for every patient's neck support. Setting the arc block 3 to be adjustable can increase the adaptability of the arc block 3, so that the patient's neck can be well relaxed when supporting the head.
[0027] A second rotating wheel 17 is fixedly connected to one end of a pair of the first threaded rods 9; the second rotating wheel 17 is provided with a knurled pattern. During operation, by fixing the second rotating wheel 17 on the pair of first threaded rods 9, the staff can rotate the second rotating wheel 17 to rotate the first threaded rods 9 to complete the adjustment of the fixed plate 5.
[0028] A sponge pad is provided on one side of the fixing plate 5. During operation, by providing the sponge pad on one side of a pair of fixing plates 5, the comfort of the patient's head can be ensured during fixation.
[0029] Working principle: by setting a base 1, an arc groove 2 is opened on the top of the base 1, after the patient lies on the CT imaging bed, the head lies in the arc groove 2, and the arc block 3 arranged in the arc groove 2 can support the patient's neck, and by setting a pair of support plates 4 on the top of the base 1, a fixing plate 5 is arranged between the pair of support plates 4, and an arc plate 6 is arranged on the top of the fixing plate 5. The fixing plate 5 can be driven by a power piece to move inward to fix the patient's head from both sides, and a pair of arc plates 6 will fix the patient's head from above. The staff can adjust the fixing plate through the power piece according to the size of the patient's head 5, by arranging a first threaded rod 9 on one side of a pair of support plates 4, after the patient lies down, the first threaded rod 9 can be rotated to make the threaded collar 10 drive the connecting plate 8 to move the fixing plate 5 toward the patient's head until it fits the patient's head for fixing, by opening a pair of grooves 11 at the top of the base 1, sliding plates 12 are slidably connected in the pair of grooves 11, and the sliding plates 12 are fixed to the bottom ends of the support plates 4. Before the patient lies on the CT imaging bed, the staff can rotate the bidirectional threaded rod 13 to make the pair of support plates 4 move backward in opposite directions to expand the distance between the support plates 4. In order to prevent the support plate 4 from bumping against the patient when the patient lies on the CT imaging bed because the distance between the support plates 4 is fixed, thereby causing secondary injury to the patient, a pair of slide grooves 15 are provided in the arc groove 2, and a pair of arcs are set in the slide groove 15 in a sliding connection manner. When the staff adjusts the support plate 4, the support plate 4 will drive the L-shaped rod 16 to drive the pair of arc blocks 3 to both sides. After the patient lies down, by moving the support plate 4 inward, the arc block 3 will move inward together. When the pair of arc blocks 3 reaches the patient's neck and supports the patient's neck, there is no need to Used to adjust the support plate 4. Everyone's neck is roughly the same, but there are still differences. The fixed arc block 3 is not suitable for every patient's neck support. The arc block 3 is set to be adjustable, which can increase the adaptability of the arc block 3, so that the patient's neck can be well relaxed when supporting the head. By fixing the second rotating wheel 17 on a pair of first threaded rods 9, the staff can rotate the first threaded rod 9 by rotating the second rotating wheel 17 to complete the adjustment of the fixed plate 5. By arranging a sponge pad on one side of a pair of fixed plates 5, the comfort of the patient's head can be guaranteed during fixation.
[0030] The above-mentioned front, back, left, right, top and bottom are all based on the figures in the specification. Figure 1 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.
[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the scope of protection of the present invention.
[0032] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A head fixing device, characterized in that: The invention comprises a base (1); an arc groove (2) is provided at the top of the base (1); a pair of arc blocks (3) are provided in the arc groove (2); a pair of support plates (4) are provided at the top of the base (1); a fixing plate (5) is provided on opposite sides of the pair of support plates (4); an arc plate (6) is fixedly connected to the top of the pair of fixing plates (5); a pair of slide bars (7) are slidably connected to one side of the pair of support plates (4) through a sliding hole; one end of the pair of slide bars (7) is fixedly connected to one side of the fixing plate (5); one end of the pair of slide bars (7) is fixedly connected to a connecting plate (8); a power piece is provided on one side of the support plate (4); and the power piece is used to drive the fixing plate (5) to move.
2. A head fixing device according to claim 1, characterized in that: The power member comprises a first threaded rod (9); a pair of the first threaded rods (9) are rotatably connected to one side of a pair of support plates (4) respectively; a threaded collar (10) is threadedly connected to the pair of the first threaded rods (9); and the pair of connecting plates (8) are fixedly connected to the threaded collar (10).
3. A head fixing device according to claim 2, characterized in that: A pair of grooves (11) are formed at the top of the base (1); a sliding plate (12) is slidably connected in the pair of grooves (11); the tops of the pair of sliding plates (12) are fixedly connected to the bottom of the support plate (4); a bidirectional threaded rod (13) is provided at one side of the base (1), and one end of the bidirectional threaded rod (13) passes through one side of the base (1) and is rotatably connected to one side inside the base (1); the pair of sliding plates (12) are threadedly connected to the bidirectional threaded rod (13); one end of the bidirectional threaded rod (13) is fixedly connected to the first rotating wheel (14).
4. A head fixing device according to claim 3, characterized in that: A pair of slide grooves (15) are provided at the top of the base (1); the pair of arc-shaped blocks (3) are respectively slidably connected in the slide grooves (15); a pair of L-shaped rods (16) are slidably connected inside the base (1); one side of the pair of L-shaped rods (16) is respectively fixedly connected to one side of the arc-shaped block (3); and the other side of the pair of L-shaped rods (16) is fixedly connected to one side of the sliding block.
5. A head fixing device according to claim 4, characterized in that: A second rotating wheel (17) is fixedly connected to one end of the pair of first threaded rods (9); and the second rotating wheel (17) is provided with a knurling pattern.
6. A head fixing device according to claim 5, characterized in that: A sponge pad is provided on one side of the fixing plate (5).