CN222466930U

CN222466930U - CT scanning positioning auxiliary device for inner ear of child

Info

Publication number: CN222466930U
Application number: CN202420547537.9U
Authority: CN
Inventors: 卢宁; 孟宪磊; 张丽玲; 徐淑敏; 方佃刚
Original assignee: Shenzhen Childrens Hospital
Current assignee: Shenzhen Childrens Hospital
Priority date: 2024-03-18
Filing date: 2024-03-18
Publication date: 2025-02-14
Anticipated expiration: 2034-03-18

Abstract

The utility model discloses an inner ear CT scanning positioning auxiliary device for children, which comprises a positioning plate and two supporting legs, wherein a first reference line and a second reference line are arranged on the top surface of the positioning plate, the first reference line extends along the length direction of the positioning plate, and the second reference line is vertically intersected with the first reference line and is positioned at the middle position of the length direction of the positioning plate. The upper end of one of the two support legs is connected to one end of the locating plate in the length direction, the upper end of the other one of the two support legs is connected to the other end of the locating plate in the length direction, the lower end of each support leg is provided with an earplug part suitable for being inserted into an external earhole, the two support legs are symmetrically arranged about a second reference line, the two support legs and the first reference line are located on the same transverse section, and the second reference line is perpendicular to the transverse section. According to the auxiliary device for CT scanning and positioning of the inner ear of the child, the head position can be accurately positioned, and the positioning efficiency and the positioning accuracy can be improved.

Description

CT scanning positioning auxiliary device for inner ear of child

Technical Field

The utility model relates to the technical field of CT scanning, in particular to an inner ear CT scanning positioning auxiliary device for children.

Background

For children's inner ear CT scan, challenges are presented not only by the young child's age, low ability to collaborate, but also by their small and complex anatomy. In general, the child needs to lie on his back and stabilize his head in the camera head rest to ensure accuracy and definition of the image. However, since the two outer ear holes of the child are located on both sides of the skull, which is narrower than for adults, there is a certain difficulty and time-consuming positioning procedure.

In conventional CT scanning, locating the external ear canal typically requires reliance on an infrared locating light built into the medical device. The positioning systems help doctors to accurately determine the positions of the outer earholes of the children patients through infrared rays and enable the outer earholes to be positioned on the same horizontal line so as to ensure the scanning accuracy. However, although these techniques have been quite mature, some challenges remain. For example, child patients often have poor coordination ability, they may not fully match the operation requirements of medical staff, resulting in more complex positioning process, requiring continuous adjustment and calibration by medical staff, and increasing positioning time and difficulty. Anxiety and anxiety in the medical procedure of pediatric patients may lead to their incompatibility or movement instability when undergoing CT scanning, which in turn affects the accuracy and efficiency of positioning.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the utility model aims to provide an inner ear CT scanning and positioning auxiliary device for children.

To achieve the above object, an inner ear CT scan positioning assistance device for children according to an embodiment of the present utility model includes:

The top surface of the positioning plate is provided with a first reference line and a second reference line, the first reference line extends along the length direction of the positioning plate, and the second reference line vertically intersects with the first reference line and is positioned at the middle position of the length direction of the positioning plate;

The upper end of one of the two supporting legs is connected with one end of the locating plate in the length direction, the upper end of the other one of the two supporting legs is connected with the other end of the locating plate in the length direction, and the lower end of each supporting leg is provided with an earplug part which is suitable for being inserted into an external earhole;

Wherein the two legs are symmetrically arranged about the second reference line, and the two legs are on the same transverse cross section as the first reference line, the second reference line being perpendicular to the transverse cross section.

According to the child inner ear CT scanning positioning auxiliary device provided by the embodiment of the utility model, the earplug parts on the two supporting legs can be plugged into the outer ear holes of the child, the positioning plate is kept above the face of the child, and the two supporting legs and the first reference line are positioned on the same transverse section, and the second reference line is perpendicular to the transverse section and is arranged centrally. In addition, after the positioning is finished, the auxiliary positioning device is removed, and the image quality is not affected during scanning and checking, so that disease diagnosis is not affected.

In addition, the auxiliary device for children inner ear CT scanning and positioning according to the above embodiment of the present utility model may further have the following additional technical features:

according to one embodiment of the utility model, the foot is configured as a telescopic structure to adjust the length of the foot.

According to one embodiment of the utility model, the foot comprises:

The upper end of the ruler rod is connected with one end of the locating plate, scale marks are arranged on the outer side face of the ruler rod, and each scale mark comprises a plurality of scale lines which are sequentially arranged along the length direction of the ruler rod;

and the loop bar is sleeved at the lower end of the ruler rod and can slide along the length direction of the ruler rod relative to the ruler rod, and the earplug part is arranged at the lower end of the loop bar and protrudes inwards.

According to one embodiment of the utility model, the outer side surface of the sleeve rod is provided with a boss, the boss is provided with a first threaded hole extending inwards, a first wave bead screw is arranged in the first threaded hole, and the wave bead end of the first wave bead screw is elastically abutted against the ruler rod.

According to one embodiment of the utility model, the upper end of the ruler rod is bent inwards to form a horizontal sliding strip;

the locating plate is characterized in that sliding holes are respectively formed in two ends of the locating plate, the sliding holes extend along the length direction of the locating plate, two supporting legs correspond to the sliding holes one by one, and each horizontal sliding strip on each supporting leg is inserted into the corresponding sliding hole and can slide along the length direction of the locating plate.

According to one embodiment of the utility model, two second threaded holes are arranged on the bottom surface of the positioning plate, the two second threaded holes are in one-to-one correspondence with the two sliding holes, and each second threaded hole penetrates upwards to the corresponding sliding hole;

And each second threaded hole is internally provided with a second wave bead screw, and the wave bead end of the second wave bead screw is elastically propped against the corresponding horizontal sliding strip.

According to one embodiment of the utility model, the bottom surface of the positioning plate is stuck with a spacer, and the spacer is made of soft rubber material.

According to one embodiment of the utility model, the surface of the earplug part is sleeved with a soft rubber sleeve.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a children inner ear CT scanning positioning auxiliary device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a child inner ear CT scanning positioning auxiliary device according to another embodiment of the present utility model;

FIG. 3 is a partially exploded view of a child inner ear CT scan positioning aid according to an embodiment of the present utility model.

Reference numerals:

10. a positioning plate;

101. A first reference line;

102. a second reference line;

103. a spacer;

H10, sliding holes;

11. a second wave bead screw;

20. a support leg;

201. a ruler rod;

2011. a horizontal slide;

202. a loop bar;

2021. A boss;

2022. The first wave bead screw;

2023. An earplug portion.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present utility model and should not be construed as limiting the utility model, and all other embodiments, based on the embodiments of the present utility model, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following describes the inner ear CT scanning and positioning auxiliary device for children in detail according to the embodiment of the utility model with reference to the accompanying drawings.

Referring to fig. 1 to 3, the auxiliary device for CT scan and positioning of inner ear of child according to the embodiment of the present utility model includes a positioning plate 10 and two legs 20.

Specifically, the top surface of the positioning plate 10 is provided with a first reference line 101 and a second reference line 102, the first reference line 101 extends along the length direction of the positioning plate 10, and the second reference line 102 perpendicularly intersects with the first reference line 101 and is located at a middle position in the length direction of the positioning plate 10.

The first reference line 101 and the second reference line 102 are designed to correspond to infrared light on the machine device during CT scanning, so as to achieve accurate head position location, wherein the first reference line 101 is used for aligning with transverse infrared light released on the CT machine device, so as to ensure accurate positioning of the transverse axis of the patient's head. The second reference line 102 serves to align with the released longitudinal infrared light rays on the CT machine to determine the sagittal position of the patient's head.

In order to ensure the supportability of the positioning plate 10, the positioning plate 10 is generally made of plastic or metal with high structural strength, such as acrylic, aluminum alloy, and the like, and is convenient for cleaning and disinfection. The surface of the locating plate 10 may be treated with an antimicrobial material to reduce the risk of cross-infection.

The upper end of one of the two legs 20 is connected to one end of the locating plate 10 in the length direction, the upper end of the other of the two legs 20 is connected to the other end of the locating plate 10 in the length direction, and the lower end of each of the legs 20 is provided with an earplug portion 2023 adapted to be inserted into an external earhole. The two said legs 20 are symmetrically arranged about said second reference line 102, and the two said legs 20 are on the same transverse section as said first reference line 101, said second reference line 102 being perpendicular to said transverse section.

That is, the upper end of each leg 20 is fixed to both ends of the positioning plate 10, forming a stable supporting structure. This arrangement enables the locating plate 10 to span the head of a child while maintaining balance and symmetry. The earplug portion 2023 is for insertion into the external ear aperture of a child for contact. Typically, the earplug portion 2023 will be made of a soft material and shaped to easily conform to the contours of the ear canal.

The two feet 20 are symmetrically arranged about a second reference line 102, the first reference line 101 being on the same transverse cross-section as the feet 20, the second reference line 102 being arranged perpendicular to and centrally in the transverse cross-section. This ensures that after the earplug part 2023 is plugged into the external ear hole of the child patient, both external ear holes are in this transverse cross section. In the positioning process, the medical staff can quickly and accurately complete the head positioning by adjusting the head position of the infant and/or the positioning plate 10 so that the first reference line 101 and the second reference line 102 are aligned with the infrared rays of the CT machine.

The use of the auxiliary device for CT scanning and positioning of the inner ear of the child is briefly described below.

The preparation work is that the child lies on the CT scanning bed, the medical staff places the locating plate 10 above the head of the child, adjusts to a proper position, and ensures that the first reference line 101 and the second reference line 102 of the locating plate 10 are clearly visible. Earplug portions 2023 at the lower ends of the two legs 20 are gently inserted into the outer ear holes of the child.

The medical staff adjusts the position of the positioning plate 10 and/or the child patient to enable the first reference line 101 to coincide with the transverse infrared light released on the CT machine equipment, and the second reference line 102 to coincide with the longitudinal infrared light. This step is critical to ensure that the head is positioned accurately.

Confirming the positioning, after confirming the positioning without error, the medical staff can check the comfort of the child, remove the positioning auxiliary device and ensure that they remain stationary during scanning.

After all readies, the healthcare worker will initiate a CT scan. During the scanning process, the health care personnel can closely monitor the status of the child and the operation of the scanning device.

According to the auxiliary device for CT scanning and positioning of the inner ear of the child, provided by the embodiment of the utility model, the earplug parts 2023 on the two supporting legs 20 can be plugged into the outer ear holes of the child, the positioning plate 10 is kept above the face of the child, and the two supporting legs 20 and the first reference line 101 are positioned on the same transverse section, and the second reference line 102 is vertical to the transverse section and is arranged centrally, so that in the positioning process, the accurate positioning of the head body position can be realized only by ensuring that the first reference line 101 is overlapped with the transverse infrared light released on the machine equipment and the second reference line 102 is overlapped with the longitudinal infrared light released on the machine equipment, the positioning efficiency and the positioning accuracy can be improved, and the auxiliary device is simple in structure and convenient to operate. In addition, after the positioning is finished, the auxiliary positioning device is removed, and the image quality is not affected during scanning and checking, so that disease diagnosis is not affected.

In some embodiments of the present utility model, the legs 20 are configured in a telescoping configuration to adjust the length of the legs 20. Before use, the medical staff can adjust the length of the support legs 20 according to the head size of the child, so that the positioning plate 10 is kept above the face of the child after the earplug parts 2023 on the support legs 20 are plugged into the outer earholes of the child.

This embodiment enables the positioning aid to be adapted to each child patient and achieve a better fit by the telescopic foot 20 design.

In one embodiment of the present utility model, the stand bar 20 includes a ruler 201 and a sleeve bar 202, the upper end of the ruler 201 is connected with one end of the positioning plate 10, and the outer side surface of the ruler 201 is provided with scale marks, and the scale marks include a plurality of scale lines sequentially arranged along the length direction of the ruler 201. The stem 202 is fitted over the lower end of the stem 201 and is slidable with respect to the stem 201 in the longitudinal direction of the stem 201, and the earplug 2023 is provided at the lower end of the stem 202 and protrudes inward.

That is, the leg 20 is mainly composed of a ruler 201 and a loop bar 202, and the upper end of the ruler 201 is connected with the positioning plate 10. The outside surface of the ruler 201 is provided with scale marks, which are a series of scale marks arranged in sequence along the length direction of the ruler 201. These graduations provide a visual reference to the healthcare worker so that they can accurately adjust the length of the foot 20.

The sleeve rod 202 is sleeved on the lower end of the ruler rod 201 and can slide along the length direction of the ruler rod 201. This design allows the healthcare worker to adjust the length of the foot 20 according to the size of the infant's head, ensuring that the earplug portion 2023 is properly inserted into the external earhole. The earplug portion 2023 is located at the lower end of the stem 202 and projects inwardly to facilitate a better fit of the earplug portion 2023 to the child's ear canal while also enabling the earplug portion 2023 to be stably retained in the concha hole.

According to the embodiment, through the design of the adjustable support legs 20, the positioning auxiliary device can adapt to children of different ages and sizes, and positioning accuracy and comfort are improved. In the CT scanning process, medical staff can quickly and accurately adjust the length of the support legs 20 to ensure that the positioning plate 10 is correctly positioned above the head of a child, thereby improving the scanning efficiency and quality.

In one embodiment of the present utility model, a boss 2021 is disposed on an outer side surface of the sleeve rod 202, a first threaded hole extending inward is disposed on the boss 2021, a first bead screw 2022 is disposed in the first threaded hole, and a bead end of the first bead screw 2022 is elastically abutted against the ruler 201.

The first ball screw 2022 is a set screw having a ball end for providing elastic holding force. The beaded end of the first beaded screw 2022 is configured to resiliently bear against the ruler 201. This resilient abutment provides a secure means of securement while also allowing a degree of flexibility and adjustment, and the resilient abutment between the beaded end and the ruler 201 requires a relatively large resistance to be overcome when sliding between the sleeve 202 and the ruler 201. Therefore, when adjusting, a little force is required to pull the ruler 201 or the sleeve 202, and after releasing, the ruler 201 and the sleeve 202 can be kept relatively fixed by the elastic abutting action without loosening or sliding.

In this embodiment, the advantage of using the first bead screw 2022 is that it can provide a stable and flexible adjustable manner, and the stand 20 can better adapt to different length adjustment requirements, so as to improve the overall convenience and reliability of use.

In some embodiments of the present utility model, the upper end of the ruler 201 is bent inward to form a horizontal slider 2011. The two ends of the locating plate 10 are respectively provided with a sliding hole H10, the sliding holes H10 extend along the length direction of the locating plate 10, the two supporting legs 20 are in one-to-one correspondence with the two sliding holes H10, the horizontal sliding strips 2011 on each supporting leg 20 are inserted into the corresponding sliding holes H10 and can slide along the length direction of the locating plate 10, and then the distance between the two sliding holes is adjustable so as to adapt to different children patients.

In this embodiment, the upper end of the ruler 201 is bent inward to form a horizontal sliding bar 2011, and the horizontal sliding bar 2011 is slidably engaged with a sliding hole H10 at the end of the positioning plate 10, which allows the legs 20 to slide on the positioning plate 10 in the length direction, thereby adjusting the distance between the two legs 20. During use, the medical staff can adjust the distance between the two support legs 20 according to the head size of the infant. The design enables the positioning auxiliary device to be suitable for children with different ages and head sizes, and can meet the requirements of various clinical situations. In addition, easy and simple to handle, medical personnel can adjust stabilizer blade 20 interval fast, need not to change the device of equidimension not, has improved work efficiency.

In one embodiment of the present utility model, two second threaded holes are disposed on the bottom surface of the positioning plate 10, and the two second threaded holes are in one-to-one correspondence with the two sliding holes H10, and each second threaded hole penetrates upward to the corresponding sliding hole H10.

Each second threaded hole is provided with a second wave bead screw 11, and the wave bead end of the second wave bead screw 11 is elastically abutted against the corresponding horizontal slide 2011.

In this embodiment, by utilizing the elastic supporting action between the ball end of the second ball screw 11 and the horizontal slide 2011, the horizontal slide 2011 can be ensured to slide freely in the slide hole H10, and the position of the support leg 20 is adjusted, and meanwhile, after the ball end of the second ball screw 11 is adjusted to a proper position, the ball end of the second ball screw 11 is supported on the horizontal slide 2011, so that the horizontal slide 2011 is kept at the position. So, medical personnel can be according to the interval of infant's head size adjustment stabilizer blade 20, and the horizontal slide 2011 can not take place to remove after the adjustment is accomplished, and this kind of design not only provides convenient simple adjustability to adapt to the infant of equidimension, still ensured the stability after stabilizer blade 20 adjusts.

Preferably, the spacer 103 is attached to the bottom surface of the positioning plate 10, and the spacer 103 is made of a soft rubber material, which generally has good elasticity and softness, and can provide better buffering and comfort. The spacer 103 can provide a soft support surface for the head of the infant, reducing discomfort that may be caused by the rigid locating plate 10 directly contacting the skin.

Preferably, the surface of the earplug 2023 is sleeved with a soft rubber sleeve, so that the comfort of use can be improved.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. An inner ear CT scanning positioning auxiliary device for children, comprising:

2. The child inner ear CT scan positioning aid of claim 1, wherein the legs are configured in a telescoping configuration to adjust the length of the legs.

3. The children's inner ear CT scan positioning aid of claim 2, wherein the leg comprises:

4. The auxiliary device for CT scanning and positioning of inner ears of children according to claim 3, wherein a boss is arranged on the outer side face of the loop bar, a first threaded hole extending inwards is formed in the boss, a first wave bead screw is arranged in the first threaded hole, and the wave bead end of the first wave bead screw is elastically abutted against the ruler bar.

5. The auxiliary device for children's inner ear CT scan positioning according to claim 3, wherein the upper end of the ruler rod is bent inwards to form a horizontal sliding bar;

6. The auxiliary device for scanning and positioning the inner ear of the child according to claim 5, wherein two second threaded holes are formed in the bottom surface of the positioning plate, the two second threaded holes correspond to the two sliding holes one by one, and each second threaded hole penetrates through the corresponding sliding hole upwards;

7. The auxiliary device for CT scanning and positioning of inner ear of child according to claim 1, wherein the bottom surface of the positioning plate is adhered with an isolation pad, and the isolation pad is made of soft rubber material.

8. The auxiliary device for CT scanning and positioning of inner ear of child according to claim 1, wherein the surface of the earplug part is sleeved with a soft rubber sleeve.