Neonatal jaundice phototherapy device

By manually pulling the bottom plate and using the elastic structure and scaling mechanism, the problems of inconvenient operation and air circulation of neonatal jaundice phototherapy devices are solved, and convenient operation and constant temperature maintenance are achieved.

CN119607431AInactive Publication Date: 2025-03-14XUYONG COUNTY MATERNAL & CHILD HEALTH & FAMILY PLANNING SERVICE CENT
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Patent Information

Application Number
CN202411892865.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-03-14
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing neonatal jaundice phototherapy device is inconvenient to operate when putting in and removing the newborn, and is prone to bumps. The air inside the phototherapy box is prone to air circulation with the outside world, affecting the constant temperature state of the light therapy effect.

Method used

A neonatal jaundice phototherapy device is designed, which uses manual pulling of the bottom plate to put and remove the newborn, and prevents air circulation through elastic structure and scaling mechanism to maintain a constant internal temperature.

Benefits of technology

It realizes convenient placement and removal of newborns, avoids the risk of bumps during operation by medical staff, and maintains the constant temperature inside the phototherapy box, ensuring phototherapy efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a neonatal jaundice phototherapy device which structurally comprises a phototherapy box, a phototherapy machine, a cabinet door, pulleys and a controller, a cabinet door hinge is clamped to the side face of the phototherapy machine, the pulleys are installed at the lower end of the phototherapy machine, the phototherapy box is embedded and fixed to the upper end of the phototherapy machine, and the controller is installed at the upper end of the phototherapy box. A movable rod drives a connecting block in an elastic structure to move rightwards, the effect of stably pulling out a plane plate is achieved, neonates can be conveniently put in the plane plate, the situation that medical staff easily knock the side face of the rack when putting the plane plate in the plane plate is avoided, the hands go deep from the middle of a scaling mechanism, and the hands make the scaling mechanism extrude a compression plate on the outer side; and when the hands move, the elastic plate is extruded under the blocking of the circular ring, a large gap is prevented from being generated between the hands and the inner side of the scaling mechanism, external air is prevented from entering the machine frame when the hands go deep into the machine frame, and the situation that the internal constant-temperature state is affected by external air circulation when the hands go deep into the machine frame for operation is prevented.
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Description

Technical Field

[0001] The present invention relates to the technical field of phototherapy devices, and more specifically, to a phototherapy device for neonatal jaundice. Background Art

[0002] Jaundice is a yellowing of the skin, sclera, etc. caused by increased bilirubin in the body. Jaundice is more common in newborns and usually requires treatment with blue light irradiation. Since bilirubin can absorb light, under the action of light and oxygen, the fat-soluble bilirubin is oxidized into a water-soluble product, which can be excreted from the body through bile or urine, thereby reducing the concentration of serum unconjugated bilirubin. Then, blue light irradiation through a phototherapy device can treat neonatal jaundice.

[0003] However, to put the newborn in and take it out, the medical staff needs to hold the newborn with both hands. The space inside the phototherapy box is small, and the outside is hinged with acrylic panels. When putting the newborn in, the medical staff has a large trapezoid and it is easy to bump into the phototherapy box, which makes it inconvenient to put the newborn in and take it out. In addition, the phototherapy time is too long, during which the newborn needs to change diapers or feed. Both hands need to reach into the phototherapy box through the window that opens and closes the acrylic panel, and both hands need to move back and forth. The window is where the hands are placed. There is a large space between the hands and the window, and the air inside the phototherapy box is easily circulated with the outside world, which can easily affect the constant temperature state inside the phototherapy box. Summary of the invention

[0004] The technical solution adopted by the present invention to achieve the technical purpose is: a neonatal jaundice phototherapy device, whose structure includes a phototherapy box, a phototherapy machine, a cabinet door, a pulley, and a controller. The cabinet door hinge is engaged with the side of the phototherapy machine, the pulley is installed at the lower end of the phototherapy machine, the phototherapy box is embedded in the upper end of the phototherapy machine, the controller is installed at the upper end of the phototherapy box, the phototherapy box is provided with a light bar, an opening and closing plate, a frame, a bottom plate, and a groove plate. The light bar is embedded in the inner side of the upper end of the frame, the opening and closing plate is installed on the side of the frame, the groove plate is embedded in the upper end of the bottom plate, the light bar is located directly above the groove plate, and the bottom plate is embedded in the upper end surface of the phototherapy machine. The lower end of the frame is installed on the upper end of the phototherapy machine, the controller is installed on the upper end of the frame, the light bar is connected to the internal circuit of the controller, a pipe is provided inside the upper end of the frame, which has the effect of conveying gas, and the pipe is connected to the air purifier, which has the effect of purifying the air inside the frame. There are four light bars, which are distributed in a square state and have the effect of a wider illumination angle. Four acrylic panels are provided on the side of the frame, which have the effect of a transparent state and are installed in a square around the frame, and the opening and closing panels are embedded in the acrylic panels, and two opening and closing panels are provided on each side of the frame, and the acrylic panels are movably coordinated with the frame hinges.

[0005] As a further improvement of the present invention, the base plate is provided with a pull handle, a track plate, and a plane plate. The plane plate is limited and slidably matched on the inner side of the track plate, the pull handle is installed on the side of the plane plate, the track plate is embedded in the upper end surface of the phototherapy machine, and the groove plate is embedded in the upper end of the plane plate surface. Circular grooves are provided on the upper and lower sides of the track plate, and the circular grooves are evenly arranged and distributed.

[0006] As a further improvement of the present invention, the plane plate is provided with a sliding plate, a support plate, a ball block, an elastic structure, and a movable rod. The elastic structure is embedded in the outer side of the ball block, and the elastic structure is engaged with the inside of the movable rod. The movable rod slides in the support plate, and the sliding plate is installed on both sides of the outer side of the support plate. The movable rod slides in the sliding plate, and the sliding plate slides in the inner side of the track plate. The ball block is located on the upper and lower sides of the sliding plate, and the contact between the right side of the ball block and the sliding plate is an arc contact, and there is a gap between the left side of the ball block and the sliding plate. The sliding plates are provided with two, which are distributed on the left and right sides of the support plate, and the ball blocks are provided with eight, which are horizontally arranged and distributed on the upper and lower layers of the sliding plate, and the horizontal spacing of the ball blocks is consistent with the gap box of the circular groove on the track plate, and the right end of the movable rod passes through the inside of the support plate, and the passing position is located below the pull handle.

[0007] As a further improvement of the present invention, the elastic structure is provided with a spring, a connecting block, and a hinge rod. The spring is embedded on the outside of the hinge rod. The hinge rod hinges on the outside of the connecting block. The connecting block is engaged in the inside of the movable rod. The spring is embedded on the outside of the ball block. The spring is installed in a 45-degree inclined state. The springs are symmetrically distributed with the connecting block as the center.

[0008] As a further improvement of the present invention, the opening and closing plate is provided with an elastic plate, a zoom mechanism, a compression plate, and a ring. The elastic plate is embedded in the inner side of the ring, the hinge rod is attached to the inner side of the ring, the compression plate is attached to the outer side of the zoom mechanism, the elastic plate is located inside the compression plate, the ring is installed inside the frame, the ring is embedded in the acrylic plate on the side of the frame, and a movable plate is provided on the acrylic plate. The movable plate has a square structure and can cover the position of the ring. The elastic plate is made of aluminum alloy and has the characteristics of strong toughness and easy bending. The compression plate is made of sponge material, and the outer layer is wrapped with a rubber material layer, which has the characteristics of easy deformation and compression.

[0009] As a further improvement of the present invention, the scaling mechanism is provided with a rail plate, a limit rod, and a bending ring. The limit rod is embedded in the side of the bending ring, and the limit rod is limited and slidably fitted on the inner side of the rail plate. The compression plate is attached to the outer side of the rail plate. The inner and outer sides of the bending ring are in a continuous bending state, and the bending ring is made of rubber material, which has the characteristics of high elasticity and easy deformation. The rail plate is made of plastic material and has a certain elasticity. The rail plate is provided with two, which are symmetrically distributed on the outer side of the bending ring. Beneficial Effects

[0010] 1. In the present invention, the acrylic plate on the phototherapy box is opened, and the handle in the bottom plate is manually pulled to slide the flat plate in the track plate, so that the bottom plate is pulled out of the frame to the outside, so that the newborn can be placed on the groove plate. The newborn is then placed on the surface of the groove plate, and the bottom plate is pushed back into the frame, and the controller is used to control the light bar to emit blue light for phototherapy.

[0011] 2. In the present invention, when the flat panel is pulled out, the movable rod is pulled outward, so that the movable rod drives the connecting block in the elastic structure to move to the right, and then when the ball block is subjected to resistance, the ball block moves to the left side in the gap with the sliding plate through the elastic force of the spring, preventing the ball block from generating resistance to the rightward movement of the sliding plate, thereby achieving the effect of fixing and loosening, and achieving the effect of stably pulling out the flat panel. At the same time, manual pulling out can avoid the uncertainty of the motor-driven pulling out method, and then manually pulling out the bottom plate can facilitate the placement of the newborn and prevent medical staff from easily hitting the side of the frame when placing it.

[0012] 3. In the present invention, the movable plate on the acrylic plate is opened, and the hand goes deep into the middle of the zoom mechanism to expand the zoom mechanism. The hand squeezes the zoom mechanism toward the compression plate on the outside, and squeezes the elastic plate under the obstruction of the circular ring when the hand moves, and then the hand and the bending ring are kept in close contact under the obstruction of the arc-shaped rail plate, so as to prevent a large gap between the hand and the inner side of the zoom mechanism, prevent the outside air from entering the frame when the hands go deep into the frame, and prevent the circulation of the outside air with the hands when the hands go deep into the frame to operate and affect the internal constant temperature state. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The present invention is a schematic structural diagram of a neonatal jaundice phototherapy device.

[0014] Figure 2 It is a schematic diagram of the side structure of a light therapy box of the present invention.

[0015] Figure 3 The figure is a schematic diagram of the planar structure of a base plate of the present invention.

[0016] Figure 4 The figure is a schematic diagram of the side structure of a flat plate of the present invention.

[0017] Figure 5 It is a schematic diagram of the side structure of an elastic structure of the present invention.

[0018] Figure 6 The figure is a schematic diagram of the planar structure of an opening and closing plate of the present invention.

[0019] Figure 7 The figure is a schematic diagram of the planar structure of a zoom mechanism of the present invention.

[0020] In the figure: phototherapy box-1, phototherapy machine-2, cabinet door-3, pulley-4, controller-5, light strip-11, opening and closing plate-12, frame-13, bottom plate-14, groove plate-15, handle-w1, track plate-w2, plane plate-w3, sliding plate-w31, support plate-w32, ball block-w33, elastic structure-w34, movable rod-w35, spring-t1, connecting block-t2, hinge rod-t3, elastic plate-r1, zoom mechanism-r2, compression plate-r3, ring-r4, track plate-r21, limit rod-r22, bending ring-r23. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings: Example

[0022] As attached Figure 1 To Attachment Figure 5 As shown: The present invention discloses a neonatal jaundice phototherapy device, which comprises a phototherapy box 1, a phototherapy machine 2, a cabinet door 3, a pulley 4, and a controller 5. The cabinet door 3 is hinged and engaged with the side of the phototherapy machine 2. The pulley 4 is installed at the lower end of the phototherapy machine 2. The phototherapy box 1 is embedded in the upper end of the phototherapy machine 2. The controller 5 is installed at the upper end of the phototherapy box 1. The phototherapy box 1 is provided with a light bar 11, an opening and closing plate 12, a frame 13, a bottom plate 14, and a groove plate 15. The light bar 11 is embedded in the upper end of the frame 13. Inside, the opening and closing plate 12 is installed on the side of the frame 13, the groove plate 15 is embedded in the upper end of the bottom plate 14, the light bar 11 is located directly above the groove plate 15, the bottom plate 14 is embedded in the upper surface of the phototherapy machine 2, the lower end of the frame 13 is installed on the upper end of the phototherapy machine 2, the controller 5 is installed on the upper end of the frame 13, the light bar 11 is connected to the internal circuit of the controller 5, and a pipeline is provided inside the upper end of the frame 13 to have the effect of conveying gas, and the pipeline is connected to the air purifier The light strip 11 is provided with four light strips 11, which are distributed in a square shape and have a more complete irradiation angle. The side of the frame 13 is provided with four acrylic plates, which have a transparent effect and are installed around the frame 13 in a square shape. The opening and closing plates 12 are embedded in the acrylic plates, and two opening and closing plates 12 are provided on each side of the frame 13, and the acrylic plates and the frame 13 hinge to cooperate with each other, so as to open the phototherapy box 1, manually pull the bottom plate 14 to drive the groove plate 15 to slide out, and then place the newborn on the surface of the groove plate 15, so that the bottom plate 14 is pushed back into the frame 13, and then the controller 5 controls the light strip 11 to emit blue light for phototherapy irradiation, and the phototherapy machine 2 can be moved by the pulley 4. When the newborn needs care, both hands go deep into the opening and closing plates 12 on the acrylic plates on the side of the frame 13. When both hands go deep, a large gap space is avoided with the outside world to avoid the entry of outside air when both hands are operated.

[0023] Among them, the bottom plate 14 is provided with a handle w1, a track plate w2, and a plane plate w3. The plane plate w3 is limited and slidably matched on the inner side of the track plate w2. The handle w1 is installed on the side of the plane plate w3. The track plate w2 is embedded in the upper end surface of the phototherapy machine 2. The groove plate 15 is embedded in the upper end of the surface of the plane plate w3. The track plate w2 is provided with circular grooves on the upper and lower sides, and the circular grooves are evenly arranged and distributed, so that the handle w1 is manually pulled out to make the plane plate w3 slide in the track plate w2, so that the bottom plate 14 is pulled out of the inside of the frame 13 to the outside, so that the newborn is placed on the groove plate 15.

[0024] Among them, the plane plate w3 is provided with a sliding plate w31, a support plate w32, a ball block w33, an elastic structure w34, and a movable rod w35. The elastic structure w34 is embedded in the outer side of the ball block w33, and the elastic structure w34 is engaged in the movable rod w35. The movable rod w35 slides in the support plate w32. The sliding plate w31 is installed on both sides of the outer side of the support plate w32. The movable rod w35 slides in the sliding plate w31. The sliding plate w31 slides in the inner side of the track plate w2. The ball block w33 is located on the upper and lower sides of the sliding plate w31, and the contact between the right side of the ball block w33 and the sliding plate w31 is an arc contact. There is a gap between the left side of the ball block w33 and the sliding plate w31. The sliding plate w31 is provided with two, which are distributed on the left and right sides of the support plate w32. On the side, there are eight ball blocks w33, which are horizontally arranged and distributed in the upper and lower layers of the sliding plate w31, and the horizontal spacing of the ball blocks w33 is the gap box of the circular groove on the track plate w2. The right end of the movable rod w35 passes through the inside of the support plate w32, and the position of passing through is located below the pull handle w1. When the flat plate w3 is pulled out, the movable rod w35 is pulled outward, so that the movable rod w35 drives the elastic structure w34 to move to the right, thereby making the ball block w33 loose, so that the ball block w33 loses the engagement on the circular groove in the track plate w2 and is easy to slide, thereby achieving the effect of stably pulling out the flat plate w3. At the same time, manual pulling out can avoid the uncertainty of the motor-driven pulling out method, and then manually pulling out the bottom plate 14 is used to facilitate the placement of the newborn and prevent medical staff from easily hitting the side of the frame 13 when placing it.

[0025] The elastic structure w34 is provided with a spring t1, a connecting block t2, and a hinge rod t3. The spring t1 is embedded on the outside of the hinge rod t3. The hinge rod t3 is hinged on the outside of the connecting block t2. The connecting block t2 is engaged in the movable rod w35. The spring t1 is embedded on the outside of the ball block w33. The spring t1 is installed at a 45-degree tilt. The spring t1 is symmetrically distributed with the connecting block t2 as the center, so that the connecting block t2 is driven to move to the right by the movable rod w35, so that the spring t1 moves with the ball block w33 as the center and follows the movement of the hinge rod t3. When the movable rod w35 moves to the left, the spring t1 generates an elastic force on the ball block w33 to make it contact with the inner arc of the sliding plate w31 to block it, thereby achieving the effect of fixing and loosening, and preventing the flat plate w33 from loosening and sliding easily after being pulled out. The specific usage and function of this embodiment are as follows: In the present invention, the acrylic plate on the phototherapy box 1 is opened, and the handle w1 in the bottom plate 14 is manually pulled to make the flat plate w3 slide in the track plate w2, thereby pulling the bottom plate 14 out of the frame 13 to the outside, so that the newborn can be placed on the groove plate 15. The newborn is then placed on the surface of the groove plate 15, and the bottom plate 14 is pushed back into the frame 13, and then the controller 5 is used to control the light bar 11 to emit blue light for phototherapy.

[0026] In the present invention, when the plane plate w3 is pulled out, the movable rod w35 is pulled outward, so that the movable rod w35 drives the connecting block t2 in the elastic structure w34 to move to the right, and then the spring t1 is rotated with the ball block w33 as the center following the movement of the hinge rod t3, so that the spring t1 becomes inclined to the lower left. Due to the rightward pulling, the ball block w33 slides from the inner side of the track plate w2 under the elastic force of the spring t1. When encountering resistance, the ball block w33 moves to the left side through the elastic force of the spring t1 on the gap between the sliding plate w31, preventing the ball block w33 from moving the sliding plate w31 to the right. When the movable rod w35 moves to the left, the spring t1 generates elastic force on the ball block w33 to make it contact and block with the inner arc of the sliding plate w31, thereby achieving the effect of fixing and loosening, preventing the flat plate w3 from loosening and sliding after being pulled out, and making the ball block w33 lose engagement and slide easily on the circular groove in the track plate w2, thereby achieving the effect of stably pulling out the flat plate w3. At the same time, manual pulling out can avoid the uncertainty of the motor-driven pulling out method, and then manually pulling out the bottom plate 14 can facilitate the placement of the newborn and prevent medical staff from easily hitting the side of the frame 13 when placing it. Example

[0027] As attached Figure 6 To Attachment Figure 7 As shown: The opening and closing plate 12 is provided with an elastic plate r1, a zoom mechanism r2, a compression plate r3, and a ring r4. The elastic plate r1 is embedded inside the ring r4, the hinge rod t3 is attached to the inside of the ring r4, the compression plate r3 is attached to the outside of the zoom mechanism r2, the elastic plate r1 is located inside the compression plate r3, the ring r4 is installed inside the frame 13, the ring r4 is embedded in the acrylic plate on the side of the frame 13, and a movable plate is provided on the acrylic plate. The movable plate is a square structure and can cover the position of the ring r4. The elastic plate r1 is made of aluminum alloy and has toughness. The compression plate r3 is made of sponge material, and the outer layer is wrapped with a rubber material layer, which has the characteristic of easy deformation and compression, so as to open the movable plate on the acrylic plate, and the hand goes deep from the middle of the zoom mechanism r2 to expand the zoom mechanism r2, so that the zoom mechanism r2 is squeezed toward the compression plate r3 on the outside, and when the hand moves, the elastic plate r1 is squeezed under the obstruction of the ring r4, so that the hands form contact activities in the zoom mechanism r2, preventing a large gap between the hand and the inner side of the zoom mechanism r2, and preventing the outside air from entering the frame 13 when the hands go deep into the frame 13.

[0028] The zoom mechanism r2 is provided with a track plate r21, a limit rod r22, and a bending ring r23. The limit rod r22 is embedded in the side of the bending ring r23. The limit rod r22 is limited and slidably matched on the inner side of the track plate r21. The compression plate r3 is attached to the outer side of the track plate r21. The inner and outer sides of the bending ring r23 are in a continuous bending state. The bending ring r23 is made of rubber material and has the characteristics of high elasticity and easy deformation. The track plate r21 is made of plastic material and has The track plate r21 has a certain elasticity. Two track plates r21 are symmetrically distributed on the outside of the bending ring r23, so that the hand squeezes the side of the bending ring r23 to make the limit rod r22 slide in the track plate r21. The bending ring r23 is squeezed toward the outer shape under the expansion force of the hand entering the zoom mechanism r2, and then the hand is kept in close contact with the bending ring r23 under the obstruction of the arc-shaped track plate r21, so as to prevent the hands from penetrating into the frame 13 for operation and circulating with the outside air to affect the internal constant temperature state. The specific usage and function of this embodiment are as follows: In the present invention, the movable plate on the acrylic plate is opened, and the hand penetrates from the middle of the zoom mechanism r2 to expand the zoom mechanism r2. The hand squeezes the side of the bending ring r23, so that the limit rod r22 slides in the track plate r21. Under the expansion force of the hand entering the zoom mechanism r2, the bending ring r23 is squeezed toward the outer shape, so that the zoom mechanism r2 is squeezed toward the compression plate r3 on the outside, and when the hand moves, the elastic plate r1 is squeezed under the obstruction of the ring r4, so that the hands form contact activities in the zoom mechanism r2, and then the hand and the bending ring r23 are kept in close contact under the obstruction of the arc-shaped track plate r21, so as to prevent a large gap between the hand and the inner side of the zoom mechanism r2, and to prevent the outside air from entering the frame 13 when the hands penetrate into the frame 13, and to prevent the circulation of the hands with the outside air when the hands penetrate into the frame 13 for operation to affect the internal constant temperature state. Utilizing the technical solution of the present invention, or those skilled in the art designing similar technical solutions inspired by the technical solution of the present invention to achieve the above-mentioned technical effects, all fall within the protection scope of the present invention.

Claims

1. A neonatal jaundice phototherapy device, comprising a phototherapy box (1), a phototherapy machine (2), a cabinet door (3), a pulley (4), and a controller (5), characterized in that: The cabinet door (3) is hingedly engaged with the side of the phototherapy machine (2), the pulley (4) is mounted on the lower end of the phototherapy machine (2), the phototherapy box (1) is embedded in the upper end of the phototherapy machine (2), and the controller (5) is mounted on the upper end of the phototherapy box (1); The phototherapy box (1) is provided with a light bar (11), an opening and closing plate (12), a frame (13), a bottom plate (14), and a groove plate (15); the light bar (11) is embedded in the inner side of the upper end of the frame (13); the opening and closing plate (12) is mounted on the side of the frame (13); the groove plate (15) is embedded in the upper end of the bottom plate (14); the light bar (11) is located directly above the groove plate (15); the bottom plate (14) is embedded in the upper end surface of the phototherapy machine (2); the lower end of the frame (13) is mounted on the upper end of the phototherapy machine (2); the controller (5) is mounted on the upper end of the frame (13); and the light bar (11) is connected to the internal circuit of the controller (5).

2. A neonatal jaundice phototherapy device according to claim 1, characterized in that: The bottom plate (14) is provided with a pull handle (w1), a track plate (w2), and a plane plate (w3); the plane plate (w3) is limitedly slidably engaged on the inner side of the track plate (w2); the pull handle (w1) is mounted on the side of the plane plate (w3); the track plate (w2) is embedded in the upper surface of the phototherapy machine (2); and the groove plate (15) is embedded in the upper surface of the plane plate (w3).

3. A neonatal jaundice phototherapy device according to claim 2, characterized in that: The plane plate (w3) is provided with a sliding plate (w31), a support plate (w32), a ball block (w33), an elastic structure (w34), and a movable rod (w35); the elastic structure (w34) is embedded in the outer side of the ball block (w33); the elastic structure (w34) is engaged in the interior of the movable rod (w35); the movable rod (w35) is slidably fitted in the support plate (w32); the sliding plate (w31) is installed on both sides of the outer side of the support plate (w32); the movable rod (w35) is slidably fitted in the sliding plate (w31); and the sliding plate (w31) is slidably fitted in the inner side of the track plate (w2).

4. A neonatal jaundice phototherapy device according to claim 3, characterized in that: The elastic structure (w34) is provided with a spring (t1), a connecting block (t2), and a hinge rod (t3); the spring (t1) is embedded on the outside of the hinge rod (t3); the hinge rod (t3) is hinged and movable on the outside of the connecting block (t2); the connecting block (t2) is engaged with the inside of the movable rod (w35); and the spring (t1) is embedded on the outside of the ball block (w33).

5. A neonatal jaundice phototherapy device according to claim 1, characterized in that: The opening and closing plate (12) is provided with an elastic plate (r1), a zoom mechanism (r2), a compression plate (r3), and a circular ring (r4); the elastic plate (r1) is embedded inside the circular ring (r4); the hinge rod (t3) is attached to the inside of the circular ring (r4); the compression plate (r3) is attached to the outside of the zoom mechanism (r2); the elastic plate (r1) is located inside the compression plate (r3); and the circular ring (r4) is installed inside the frame (13).

6. A neonatal jaundice phototherapy device according to claim 5, characterized in that: The zoom mechanism (r2) is provided with a track plate (r21), a limit rod (r22), and a bending ring (r23); the limit rod (r22) is embedded in a side surface of the bending ring (r23); the limit rod (r22) is limitedly slidably matched on the inner side of the track plate (r21); and the compression plate (r3) is attached to the outer side of the track plate (r21).