X-ray photography metacarpal bone fixator for children

By designing a metacarpal fixator for pediatric X-ray photography, using a partition plate and rotating cylinder to adjust the finger angle, and combining elastic bands and Velcro to fix the palm, the problem of finger angle control and stability in pediatric palm X-ray photography is solved, ensuring the standard and clarity of the X-ray images.

CN223516364UActive Publication Date: 2025-11-07CHONGQING MATERNAL & CHILD HEALTH HOSPITAL (CHONGQING OBSTETRICS & GYNECOLOGY HOSPITAL CHONGQING INST OF GENETICS & REPRODUCTION)
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Patent Information

Application Number
CN202422494776.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2025-11-07
Estimated Expiration
2034-10-14

AI Technical Summary

Technical Problem

During the process of taking X-rays of children's palms, it is difficult to accurately control the angle of the fingers, and the unstable personality of children can easily lead to double images on the X-ray.

Method used

Design a pediatric X-ray metacarpal fixator that adjusts finger angles by setting up a partition plate and a rotating cylinder, and uses elastic bands and Velcro to fix the palm, ensuring the stability of the fingers and palm.

Benefits of technology

It achieves precise control of finger angle, avoids non-standard X-rays, prevents children from moving their palms during the examination, and ensures the clarity of the X-ray.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of child palm examination, in particular to a child X-ray photography metacarpal bone fixator which comprises a bottom plate, four fixing columns are fixedly connected to the upper end of the bottom plate, rotating cylinders are rotationally connected to the outer side walls of the fixing columns, partition plates are fixedly connected to the outer side walls of the rotating cylinders, and rubber pads are connected to the top ends of the partition plates in a sleeved mode. Hand fixing grooves and palm fixing grooves are formed in the two sides of the bottom plate, the hand fixing grooves are located in the two sides of the partition plate, the palm fixing grooves are located in the lower end of the partition plate, two wrist fixing grooves are formed in the middle of the bottom plate, the wrist fixing grooves are located in the lower ends of the palm fixing grooves, a mounting cavity is formed in the middle of the fixing column, and a sliding plate is arranged in the middle of the mounting cavity; when X-ray shooting is carried out on the palm of a child, the angle of fingers can be adjusted, the hand of the child can be limited, and the quality of X-ray shooting is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to children's palm inspection technical field, concretely is a kind of children's X-ray photography metacarpal bone fixer. BACKGROUND

[0002] Bone is the important component of our human body, can support human body, human body grows and develops, bone also grows constantly with the change of age, until bone line closes and stops growing, especially children, bone age changes fast, can be detected by X-ray to the metacarpal bone age of children.When the palm of the child is injured, X-ray can be used to take photographs of the palm of the child to observe the injury of the child's palm.But when detecting the bone of the palm of the child, the angle between the two fingers needs to be accurately controlled to prevent the X-ray film from being non-standard due to too small or too large angle;Children are unstable in character, and are easy to move during detection, resulting in ghosting in X-ray film. UTILITARY MODEL

[0003] The utility model aims at providing a kind of children's X-ray photography metacarpal bone fixer to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of children's X-ray photography metacarpal bone fixer, including bottom plate, the upper end of the bottom plate is fixedly connected with four fixed columns, rotating cylinder is rotatably connected on the outer lateral wall of the fixed column, the outer lateral wall of the rotating cylinder is fixedly connected with partition plate, the top of the partition plate is sleeved with rubber pad, both sides of the bottom plate are equipped with hand fixed slot and palm fixed slot, the hand fixed slot is located at the two sides of partition plate, the palm fixed slot is located at the lower end of partition plate, two wrist fixed slots are equipped in the middle of the bottom plate, the wrist fixed slot is located at the lower end of palm fixed slot, the middle of the fixed column is equipped with installation cavity, the middle of the installation cavity is equipped with sliding plate, the tail end of the sliding plate is fixedly connected with connecting plate, the connecting plate is inserted with fixed column, spring is fixedly connected between the sliding plate and the inner wall of installation cavity, a plurality of clamping joints are fixedly connected on the inner wall of the rotating cylinder, the middle of the fixed column is screw-connected with adjusting screw rod, the lower end of the adjusting screw rod is fixedly connected with extrusion head.

[0005] Preferably, the bottom plate is flat and smooth, and the bottom plate is provided with a protruding strip downward on the upper and lower edges to ensure that the bottom plate is lifted and suspended.

[0006] Preferably, the hand fixed slot is located outside the range of the whole hand, and a single-layer elastic band is inserted between the two hand fixed slots.

[0007] Preferably, the palm fixing grooves are arranged on the two sides of the palm and along the trend of the palm, and a single-layer elastic band is arranged between the two palm fixing grooves.

[0008] Preferably, the bottom plate is arranged at the wrist placement position and is provided with a slope, the wrist fixing grooves are arranged at the slope, and a magic tape is arranged between the two wrist fixing grooves.

[0009] Preferably, the extrusion head is arranged in the mounting cavity, the extrusion head is in a conical structure, and the sliding plate is arranged directly below the extrusion head.

[0010] Preferably, the lower end of the sliding plate is in sliding connection with the bottom plate, the upper end of the sliding plate is an inclined surface, the top end of the sliding plate is fixedly connected with a friction plate, and the side end of the friction plate is an arc-shaped concave surface.

[0011] Preferably, the side end of the fixed column is provided with a limiting groove, and the clamping joint is inserted into the limiting groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the gaps between the fingers and the separating plates are clamped, the angle between the fingers is adjusted by rotating the separating plates, the angle between the fingers is prevented from being too large to cause the X-ray film to be non-standard, the separating plates, the single-layer elastic band and the magic tape are matched with each other, the palms of children are fixed on the bottom plate, the palms of children are limited, the palms of children are prevented from moving during X-ray photography, and the standard of the X-ray film is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a schematic view of the connection between the bottom plate and the separating plate.

[0014] Fig. 2 It is a schematic view of the connection between the rotating cylinder and the fixed column.

[0015] In the drawing: 1 is a bottom plate, 2 is a rotating cylinder, 3 is a separating plate, 4 is a rubber pad, 5 is a hand fixing groove, 6 is a palm fixing groove, 7 is a wrist fixing groove, 8 is a fixed column, 9 is an adjusting screw rod, 10 is an extrusion head, 11 is a sliding plate, 12 is a friction plate, 13 is a clamping joint, 14 is a connecting plate, 15 is a limiting groove, and 16 is a mounting cavity. DETAILED DESCRIPTION

[0016] In order to deepen the understanding and recognition of the utility model, the technical solutions in the utility model embodiments will be clearly and completely described and introduced in combination with the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments, and do not limit the utility model in any form. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0017] Please refer to Figs. 1-2 The utility model provides a technical scheme: a metacarpal bone fixing device for children X-ray photography, including the bottom plate 1, the upper end of bottom plate 1 is fixedly connected with four fixed columns 8, the outer lateral wall of fixed column 8 is rotatably connected with rotating cylinder 2, the outer lateral wall of rotating cylinder 2 is fixedly connected with the partition plate 3, the top end of partition plate 3 is sleeved with rubber pad 4, and rubber pad 4 can ensure comfort when adjusting children's fingers, both sides of bottom plate 1 are equipped with hand fixing groove 5 and palm fixing groove 6, hand fixing groove 5 is located at both sides of partition plate 3, palm fixing groove 6 is located at the lower end of partition plate 3, the middle of bottom plate 1 is equipped with two wrist fixing grooves 7, wrist fixing groove 7 is located at the lower end of palm fixing groove 6, the middle of fixed column 8 is equipped with installation cavity 16, the middle of installation cavity 16 is equipped with sliding plate 11, the tail end of sliding plate 11 is fixedly connected with connecting plate 14, connecting plate 14 is inserted with fixed column 8, spring is fixedly connected between sliding plate 11 and the inner wall of installation cavity 16, a plurality of clamping joints 13 are fixedly connected on the inner wall of rotating cylinder 2, the middle of fixed column 8 is screw-connected with adjusting screw 9, and the lower end of adjusting screw 9 is fixedly connected with extrusion head 10.

[0018] The bottom plate 1 is flat and smooth, and the upper and lower edges of the bottom plate 1 are provided with protruding strips downward, so that the bottom plate 1 is supported and suspended, the single-layer elastic bands can be conveniently inserted into the hand fixing grooves 5 and the palm fixing grooves 6, and the magic tapes can be conveniently arranged on the wrist fixing grooves 7; the bottom plate 1 is made of wood, plastic or resin, and is made of a material that does not affect X-ray photography, so as to avoid affecting the quality of X-ray films; and the single-layer elastic bands and the magic tapes also do not affect the detection of metacarpal bones by X-rays.

[0019] The hand fixing grooves 5 are located outside the range of the whole hand, so as to prevent the grooves from overlapping with the bones and affecting the judgment of bone age; and the single-layer elastic bands are inserted between the two hand fixing grooves 5, so that the hands of children are fixed and limited by the single-layer elastic bands when the fingers are inserted into the partition plate 3, and the tightness is adjusted according to the condition of the fingers, so as to ensure the fixation of the fingers and prevent the fingers from arching and not being attached to the bottom plate.

[0020] The palm fixing grooves 6 are located outside the two sides of the palm and are arranged along the trend of the palm, and the single-layer elastic bands are inserted between the two palm fixing grooves 6 to fix the palm.

[0021] The bottom plate 1 is located at the wrist placement position and is provided with a slope, the wrist fixing grooves 7 are located at the slope, and the magic tapes are arranged between the two wrist fixing grooves 7 to fix the wrists of children and prevent the metacarpal bone fixing device from causing the limbs of children to be unstable due to the height difference between the device and the detector table.

[0022] The extrusion head 10 is located in the installation cavity 16, the extrusion head 10 is a cone structure, the sliding plate 11 is located directly below the extrusion head 10, the lower end of the sliding plate 11 is slidably connected with the bottom plate 1, the upper end of the sliding plate 11 is an inclined surface, the top end of the sliding plate 11 is fixedly connected with the friction plate 12, the side end of the friction plate 12 is an arc-shaped concave surface, the side end of the fixed column 8 is provided with the limiting groove 15, the clamping head 13 is inserted into the limiting groove 15, when the palm of the child is detected, first, the fingers of the child are inserted into the middle of the partition plate 3, according to the actual situation of the palm of the child, the fingers of the child are moved by rotating the partition plate 3, the angle between the two fingers is controlled, after the rotation is completed, the rotating cylinder 2 and the partition plate 3 are limited and fixed by rotating the adjusting screw 9, the adjusting screw 9 drives the extrusion head 13 to extrude the sliding plate 11, so that the friction plate 12 abuts on the clamping head 13, thereby avoiding the movement of the fingers.

[0023] Although the embodiments of the utility model have been shown and described, it needs to emphasize: the above description is only the introduction and description of the use mode of the embodiments of the utility model, is not any form of restriction to the utility model. For ordinary skilled in the art, it can be understood that the embodiments can be changed, modified, replaced and changed in many ways without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. A child radiography metacarpus fixator comprising a base plate (1), characterized in that: The upper end of the bottom plate (1) is fixedly connected with four fixed columns (8), the outer side wall of the fixed column (8) is rotatably connected with a rotating cylinder (2), the outer side wall of the rotating cylinder (2) is fixedly connected with a partition plate (3), the top end of the partition plate (3) is sleeved with a rubber pad (4), both sides of the bottom plate (1) are provided with a hand fixing groove (5) and a palm fixing groove (6), the hand fixing groove (5) is located on both sides of the partition plate (3), the palm fixing groove (6) is located at the lower end of the partition plate (3), the middle of the bottom plate (1) is provided with two wrist fixing grooves (7), and the wrist fixing grooves (7) are located at the lower end of the palm fixing groove (6). The middle of the fixed column (8) is provided with a mounting cavity (16), the middle of the mounting cavity (16) is provided with a sliding plate (11), the tail end of the sliding plate (11) is fixedly connected with a connecting plate (14), the connecting plate (14) is inserted into the fixed column (8), springs are fixedly connected between the sliding plate (11) and the inner wall of the mounting cavity (16), a plurality of clamping joints (13) are fixedly connected to the inner wall of the rotating cylinder (2), the middle of the fixed column (8) is threadedly connected with an adjusting screw (9), and the lower end of the adjusting screw (9) is fixedly connected with a extrusion head (10).

2. A phalangeal immobilizer for x-raying children as defined in claim 1, characterized in that: The bottom plate (1) is flat and smooth, the upper and lower edges of the bottom plate (1) are provided with protruding strips downward, so that the bottom plate (1) is supported and suspended, the bottom plate (1) is a wood plate, a plastic plate or a resin plate, and the bottom plate (1) is made of a material that does not affect X-ray photography.

3. A phalangeal immobilizer for x-raying children as defined in claim 1, wherein: The hand fixing groove (5) is located outside the range of the whole hand, and a single-layer elastic band is inserted between the two hand fixing grooves (5).

4. A phalangeal immobilizer for x-raying children as defined in claim 1, wherein: The palm fixing groove (6) is located on the outer side of the palm and is arranged along the trend of the palm, and a single-layer elastic band is inserted between the two palm fixing grooves (6).

5. A phalangeal immobilizer for x-raying children as defined in claim 1, wherein: The bottom plate (1) is located at the wrist placement position and is provided with a slope, the wrist fixing groove (7) is located at the slope, and a magic tape is arranged between the two wrist fixing grooves (7).

6. A phalangeal immobilizer for x-raying children according to claim 1, characterized in that: The extrusion head (10) is located in the mounting cavity (16), the extrusion head (10) is a conical structure, and the sliding plate (11) is located directly below the extrusion head (10).

7. A phalangeal immobilizer for x-raying children as defined in claim 1, wherein: The lower end of the sliding plate (11) is slidably connected with the bottom plate (1), the upper end of the sliding plate (11) is an inclined surface, the top end of the sliding plate (11) is fixedly connected with a friction plate (12), and the side end of the friction plate (12) is an arc-shaped concave surface.

8. A phalangeal immobilizer for x-raying children according to claim 1, characterized in that: The side end of the fixed column (8) is provided with a limiting groove (15), and the clamping joint (13) is inserted into the limiting groove (15).