Abdomen sound insulation device for magnetic resonance examination of pregnant woman
By designing parcel sound insulation components, using the combination of lower -sounding felt and upper sound -sounding felt and sound -absorbing sponge, combined with the traction rope system, solved the problem of difficulty maintaining the fetal static in the magnetic resonance examination due to the impact of noise in the magnetic resonance examination. And protection, promote the normal growth and development of the fetus.
Patent Information
- Application Number
- CN202420576930.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-03-25
AI Technical Summary
During magnetic resonance examination, it is difficult for pregnant women to keep the fetus still due to machine noise, which increases the difficulty of the examination.
A package sound insulation component includes the lower sound -sounding felt and the upper sound felt, and the sound insulation layer is used to use the sound -absorbing sponge and the traction rope system to cover and protect the noise generated by the magnetic resonance machine.
Effective blocking the noise to the fetus, preventing noise stimulus, causing the fetus to motion, improve the sleep quality of the fetus, and reduce the impact of noise on emotion, and promote the normal growth and development of the fetus.
Smart Images

Figure CN222398450U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of sound insulation devices, and in particular relates to a sound insulation device for magnetic resonance examination of the abdomen of pregnant women. Background Art
[0002] Magnetic resonance examination requires the examinee to be in a static state, otherwise it will cause artifacts in the magnetic resonance imaging and affect the image judgment. The main magnet of the magnetic resonance machine and the current used for the gradient coil will produce a continuous magnetic field and gradient switching, which will cause the machine to make a continuous sound. After 24 weeks of pregnancy, the fetus's auditory conduction pathway is basically established. The hearing threshold of the fetus at 27-29 weeks of pregnancy is about 40dB, and it drops to 13.5dB after 32 weeks of pregnancy, which is close to the adult level; therefore, the fetus can perceive the sound stimulation from the magnetic resonance and then produce physiological reactions, such as head turning, limb extension and contraction, body rotation, etc. Because it is extremely difficult for a pregnant fetus to remain still for a long time under the stimulation of the continuous noise generated by magnetic resonance, the difficulty of fetal magnetic resonance examination is greatly increased. Utility Model Content
[0003] The utility model provides an abdominal sound insulation device for magnetic resonance examination of pregnant women, which has the characteristics of reducing the influence of machine noise on the fetus when the pregnant woman is doing magnetic resonance examination.
[0004] The utility model provides the following technical solution: comprising a supporting bed body, a base and a mattress. The supporting bed body is provided with a wrapped sound insulation component, and the wrapped sound insulation component includes a lower sound insulation felt and an upper sound insulation felt, the lower sound insulation felt is fixedly connected to one end of the upper sound insulation felt, the inner walls of the lower sound insulation felt and the upper sound insulation felt are filled with two sound-absorbing sponges, and the lower sound insulation felt is detachably connected to the other end of the upper sound insulation felt, and the wrapped sound insulation component is provided with two traction ropes, one end of the two traction ropes is fixedly connected to the inner wall of the upper sound insulation felt, the side walls of the two traction ropes are provided with strip holes, and the side walls of the two traction ropes are slidably connected with a plurality of traction blocks, and the plurality of strip holes and the plurality of traction blocks are evenly distributed on the traction ropes, the inner wall of the traction block is fixedly connected with a connecting rod, and the connecting rod is slidably connected to the inner wall of the corresponding strip hole, the two traction ropes are slidably connected to the inner wall of the lower sound insulation felt, the two traction ropes pass through one side of the lower sound insulation felt, and one side of the lower sound insulation felt is fixedly connected with two limiters for limiting the traction ropes.
[0005] Wherein, one side of the lower sound insulation felt is fixedly connected with a Velcro hook surface, and one side of the upper sound insulation felt is fixedly connected with a Velcro fleece surface, and the Velcro hook surface is attached and connected to the Velcro fleece surface.
[0006] Among them, a notch is opened on the mattress, the lower sound insulation felt is snap-connected inside the notch, a mounting groove is arranged on the top of the supporting bed body, and a snap-on block corresponding to the mounting groove is fixedly connected to the bottom end of the lower sound insulation felt.
[0007] Among them, a plurality of make way grooves are opened in the upper sound insulation felt, and a plurality of the traction blocks are located in the corresponding make way grooves.
[0008] Among them, the traction rope is slidably connected to the inner wall of the corresponding limiter, and the inner wall of the limiter is slidably connected with a puncture rod for limiting the traction rope. The top of the puncture rod is provided with an inclined cone head, and one end of the traction rope is fixedly connected to the limiting end head, and the limiting end head is in contact with one side of the corresponding limiter.
[0009] Among them, a slide groove is opened in the limiter, and a push plate is fixedly connected to the side wall of the puncture rod. The push plate is slidably connected to the inner wall of the corresponding slide groove, and a spring is fixedly connected between the push plate and the slide groove.
[0010] The beneficial effects of the utility model are as follows: by wrapping the abdomen, lower spine and waist of a pregnant patient with the lower sound insulation felt and the upper sound insulation felt, the fetus in the pregnant woman's abdomen is shielded and protected more efficiently, and the noise generated by the magnetic resonance imaging machine is shielded and protected, thereby effectively preventing the noise from being transmitted to the fetus, and ultimately preventing the noise from stimulating the fetus and causing it to move around in the abdomen and interfere with the magnetic resonance imaging, and preventing the excessive excitement or uneasiness caused by the continuous noise, thereby facilitating the normal growth and development of the fetus; by pulling the two traction ropes, the traction ropes can tighten the positions of the two ends of the upper sound insulation felt through a number of traction blocks, thereby reducing the gap between the two ends of the upper sound insulation felt and the patient, thereby reducing the occurrence of noise reaching the abdomen from the gap, and improving the sound insulation effect.
[0011] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0013] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;
[0014] Figure 3 for Figure 1 A schematic diagram of the enlarged structure of the middle part A;
[0015] Figure 4 It is a three-dimensional cross-sectional enlarged structural schematic diagram of the upper soundproof cover and other components of the utility model;
[0016] Figure 5It is a schematic diagram of an enlarged side cross-section structure of the limiter of the utility model.
[0017] In the figure: 1. Support bed body; 11. Base; 12. Mattress; 121. Notch; 13. Installation slot; 2. Wrapped sound insulation component; 21. Lower sound insulation felt; 211. Velcro hook surface; 22. Upper sound insulation felt; 221. Velcro fleece surface; 222. Make way slot; 23. Sound-absorbing sponge; 3. Traction rope; 31. Strip hole; 32. Traction block; 321. Connecting rod; 33. Limit end; 4. Stopper; 41. Piercing rod; 411. Push plate; 412. Spring; 42. Slide slot. DETAILED DESCRIPTION
[0018] See also Figure 1-Figure 5 The utility model provides the following technical solutions: including a supporting bed body 1, a base 11 and a mattress 12, a wrapped sound insulation component 2 is arranged on the supporting bed body 1, the wrapped sound insulation component 2 includes a lower sound insulation felt 21 and an upper sound insulation felt 22, the lower sound insulation felt 21 is fixedly connected to one end of the upper sound insulation felt 22, the inner walls of the lower sound insulation felt 21 and the upper sound insulation felt 22 are filled with two sound-absorbing sponges 23, the other ends of the lower sound insulation felt 21 and the upper sound insulation felt 22 are detachably connected, and two traction ropes 3 are arranged on the wrapped sound insulation component 2, one end of the two traction ropes 3 are fixedly connected to the inner wall of the upper sound insulation felt 22 The side walls of the two traction ropes 3 are provided with strip holes 31, and the side walls of the two traction ropes 3 are slidably connected with a plurality of traction blocks 32. The plurality of strip holes 31 and the plurality of traction blocks 32 are evenly distributed on the traction rope 3. The inner wall of the traction block 32 is fixedly connected with a connecting rod 321, and the connecting rod 321 is slidably connected to the inner wall of the corresponding strip hole 31. The two traction ropes 3 are slidably connected to the inner wall of the lower sound insulation felt 21, and the two traction ropes 3 pass through one side of the lower sound insulation felt 21. One side of the lower sound insulation felt 21 is fixedly connected with two limiters 4 for limiting the traction ropes 3.
[0019] In this embodiment, the base 11 supports the components of the device, the support bed 1 supports the patient, so that the patient can be tested in a lying position, the mattress 12 increases the softness and comfort of the support surface of the support bed 1 for the patient, the lower sound insulation felt 21 is located under and on both sides of the patient, and the upper sound insulation felt 22 is located on and on both sides of the patient, so that the combination of the lower sound insulation felt 21 and the upper sound insulation felt 22 can wrap the patient. When in use, the lower sound insulation felt 21 and the upper sound insulation felt 22 are first opened, and when the patient lies down, the lower sound insulation felt 21 and the upper sound insulation felt 22 are opened. Pull one end of the upper sound insulation felt 22 closer to one end of the lower sound insulation felt 21, and then the upper sound insulation felt 22 shields and wraps the upper part of the patient's abdomen. The lower sound insulation felt 21 and one end of the upper sound insulation felt 22 are connected and fixed. At this time, the lower sound insulation felt 21 and the upper sound insulation felt 22 wrap the abdomen and the lower spine and waist of the pregnant patient, so as to provide more efficient shielding and protection for the fetus in the pregnant woman's abdomen. The lower sound insulation felt 21 and the upper sound insulation felt 22 use themselves and the double-layer sound-absorbing sponge 23 to form a sound insulation layer, thereby achieving the noise generated by the magnetic resonance machine. The ability to shield and protect, thereby reducing the transmission of noise to the fetus, thereby reducing the interference of noise on the fetus and causing it to move around in the abdomen, and improving the sleep of the fetus so that it can get enough rest, and preventing excessive excitement or anxiety caused by continuous noise, thereby facilitating the normal growth and development of the fetus. The two traction ropes 3 are located at the two ends of the upper sound insulation felt 22 and the lower sound insulation felt 21. The two traction ropes 3 are located at the front and back ends of the pregnant woman's abdomen to prevent the direct tightening of the abdomen from affecting the fetus. The traction block 32 slides and limits in the corresponding strip hole 31 through the connecting rod 321. When the two traction ropes 3 are pulled in, the traction rope 3 pulls the traction block 32 through the strip hole 31 and the connecting rod 321, thereby shortening the distance between the two traction blocks 32, thereby enabling several traction blocks 32 to tighten the two ends of the upper sound insulation felt 22, thereby reducing the gap between the two ends of the upper sound insulation felt 22 and the patient, thereby reducing the noise from reaching the abdomen from the gap and improving the sound insulation effect.
[0020] A Velcro hook surface 211 is fixedly connected to one side of the lower sound insulation felt 21, and a Velcro fleece surface 221 is fixedly connected to one side of the upper sound insulation felt 22. The Velcro hook surface 211 is adhered and connected to the Velcro fleece surface 221. When the lower sound insulation felt 21 is connected to the upper sound insulation felt 22, the upper sound insulation felt 22 drives the Velcro fleece surface 221 to adhere and connect with the Velcro hook surface 211, so that the lower sound insulation felt 21 and the upper sound insulation felt 22 can be wrapped around the patient's abdomen and fixed, so that the sound insulation effect can be maintained more stable.
[0021] A notch 121 is provided on the mattress 12, and the lower sound insulation felt 21 is snap-connected to the inside of the notch 121. A mounting groove 13 is provided at the top of the supporting bed body 1, and a snap-in block corresponding to the mounting groove 13 is fixedly connected to the bottom of the lower sound insulation felt 21; the notch 121 makes way for the lower sound insulation felt 21, and the thickness of the lower sound insulation felt 21 is consistent with that of the mattress 12, thereby reducing the discomfort felt by pregnant women during the test. The lower sound insulation felt 21 is installed with the mounting groove 13 through the snap-in block, so that the lower sound insulation felt 21 can drive the upper sound insulation felt 22 to complete the connection and locking with the supporting bed body 1, and the disassembled lower sound insulation felt 21 and upper sound insulation felt 22 are convenient for cleaning and replacement, and are more flexible to use.
[0022] A plurality of clearance grooves 222 are provided in the upper sound insulation felt 22, and a plurality of traction blocks 32 are located in the corresponding clearance grooves 222; the clearance grooves 222 make way for the traction blocks 32 to prevent the traction blocks 32 from squeezing and compressing the space of the upper sound insulation felt 22 itself. When the traction rope 3 pulls the traction block 32, the traction block 32 squeezes and contracts the upper sound insulation felt 22 through the inner wall of the clearance groove 222, thereby enabling the end diameter of the upper sound insulation felt 22 to complete the tightening operation.
[0023] The traction rope 3 is slidably connected to the inner wall of the corresponding limiter 4, and the inner wall of the limiter 4 is slidably connected with a piercing rod 41 for limiting the traction rope 3. An inclined cone head is provided at the top of the piercing rod 41, and one end of the traction rope 3 is fixedly connected to the limiting end 33, and the limiting end 33 contacts one side of the corresponding limiter 4; the lower sound insulation felt 21 supports the two limiters 4, and one end of the traction rope 3 passes through the side wall of the lower sound insulation felt 21 and the limiter 4 and appears outside the device, which is convenient for pulling the traction rope 3. The limiter 4 can lock and unlock the traction rope 3 by sliding the piercing rod 41 up and down, which is convenient for fixing the traction rope 3 after pulling and tightening. The limiting end 33 is at the end of the traction rope 3, and the limiter 4 limits the limiting end 33 to prevent the traction rope 3 from being retracted into the lower sound insulation felt 21 and difficult to take out.
[0024] A slide groove 42 is provided in the limiter 4, and a push plate 411 is fixedly connected to the side wall of the puncture rod 41, and the push plate 411 is slidably connected to the inner wall of the corresponding slide groove 42, and a spring 412 is fixedly connected between the push plate 411 and the slide groove 42; the slide groove 42 makes way for the push plate 411 and the spring 412, and the spring 412 pushes the puncture rod 41 to lift upward through the push plate 411, so that the top inclined cone head of the puncture rod 41 can complete the insertion of the traction rope 3, and when the traction rope 3 is pulled outward, the traction rope 3 can be smoothly pulled out along the inclined direction of the puncture rod 41, and when the traction rope 3 slides in the opposite direction, it will be blocked by the puncture rod 41, so that the traction rope 3 can be automatically locked, and when the detection is completed and unlocked, the puncture rod 41 is pulled downward to complete the unlocking of the traction rope 3.
[0025] The working principle and use process of the utility model are as follows: when a pregnant patient undergoes magnetic resonance imaging, the patient lies on the supporting bed body 1, and at this time, the lower sound insulation felt 21 is under the patient, and then the upper sound insulation felt 22 is flipped over to bypass the patient's abdomen to reach one end of the lower sound insulation felt 21, and the upper sound insulation felt 22 drives the Velcro fur surface 221 to attach and connect with the Velcro hook surface 211, so that the lower sound insulation felt 21 and the upper sound insulation felt 22 can wrap the patient's abdomen and complete fixation, so that the sound insulation effect can be maintained more stable, the lower sound insulation felt 21 and the upper sound insulation felt 22 wrap the abdomen and the lower spine and waist of the pregnant patient, so as to provide more efficient shielding and protection for the fetus in the pregnant woman's abdomen, and the lower sound insulation felt 21 and the upper sound insulation felt 22 utilize their own and double-layer sound absorption The sponge 23 forms a sound insulation layer, which improves the ability to shield and protect against the noise generated by the magnetic resonance machine, thereby reducing the transmission of noise to the fetus, thereby reducing the interference of noise on the fetus and causing it to move around in the abdomen. Subsequently, the two limit ends 33 are pulled, and the two limit ends 33 pull a number of traction blocks 32 through the corresponding traction ropes 3. The several traction blocks 32 squeeze the upper sound insulation felt 22 at the same time, so that the ends of the upper sound insulation felt 22 are folded and tightened. The two traction ropes 3 are located at the front and back ends of the pregnant woman's abdomen to prevent the direct tightening of the abdomen from affecting the fetus, thereby reducing the gap between the two ends of the upper sound insulation felt 22 and the patient, thereby reducing the noise from reaching the abdomen from the gap and improving the sound insulation effect.
Claims
1. A soundproofing device for pregnant women's abdomen during magnetic resonance examination, comprising a supporting bed (1), a base (11) and a mattress (12), characterized in that: The supporting bed body (1) is provided with a wrapped sound insulation component (2), the wrapped sound insulation component (2) comprising a lower sound insulation felt (21) and an upper sound insulation felt (22), the lower sound insulation felt (21) is fixedly connected to one end of the upper sound insulation felt (22), the inner walls of the lower sound insulation felt (21) and the upper sound insulation felt (22) are filled with two sound absorbing sponges (23), the lower sound insulation felt (21) and the upper sound insulation felt (22) are detachably connected at the other end, the wrapped sound insulation component (2) is provided with two traction ropes (3), one end of the two traction ropes (3) are fixedly connected to the inner wall of the upper sound insulation felt (22), and the side walls of the two traction ropes (3) are provided with strip holes ( 31), the side walls of the two traction ropes (3) are slidably connected to a plurality of traction blocks (32), the plurality of strip holes (31) and the plurality of traction blocks (32) are evenly distributed on the traction ropes (3), the inner wall of the traction block (32) is fixedly connected to a connecting rod (321), the connecting rod (321) is slidably connected to the inner wall of the corresponding strip hole (31), the two traction ropes (3) are slidably connected to the inner wall of the lower sound insulation felt (21), the two traction ropes (3) pass through one side of the lower sound insulation felt (21), and one side of the lower sound insulation felt (21) is fixedly connected to two limiters (4) for limiting the traction ropes (3).
2. The abdominal soundproofing device for magnetic resonance examination of pregnant women according to claim 1, characterized in that: One side of the lower sound insulation felt (21) is fixedly connected to a Velcro hook surface (211), and one side of the upper sound insulation felt (22) is fixedly connected to a Velcro fleece surface (221), and the Velcro hook surface (211) is attached and connected to the Velcro fleece surface (221).
3. The abdominal soundproofing device for magnetic resonance examination of pregnant women according to claim 1, characterized in that: The mattress (12) is provided with a notch (121), the lower sound insulation felt (21) is snap-fitted into the inside of the notch (121), a mounting groove (13) is provided at the top end of the supporting bed body (1), and a snap-fit block corresponding to the mounting groove (13) is fixedly connected to the bottom end of the lower sound insulation felt (21).
4. The abdominal soundproofing device for magnetic resonance examination of pregnant women according to claim 1, characterized in that: A plurality of clearance grooves (222) are provided in the upper sound insulation felt (22), and a plurality of the traction blocks (32) are located in the corresponding clearance grooves (222).
5. The abdominal soundproofing device for magnetic resonance examination of pregnant women according to claim 1, characterized in that: The traction rope (3) is slidably connected to the inner wall of the corresponding stopper (4), and the inner wall of the stopper (4) is slidably connected to a puncture rod (41) for limiting the traction rope (3). The top of the puncture rod (41) is provided with an inclined cone head. One end of the traction rope (3) is fixedly connected to a limiting end head (33), and the limiting end head (33) contacts one side of the corresponding stopper (4).
6. The abdominal soundproofing device for magnetic resonance examination of pregnant women according to claim 5, characterized in that: A slide groove (42) is provided in the limiter (4), a push plate (411) is fixedly connected to the side wall of the piercing rod (41), the push plate (411) is slidably connected to the inner wall of the corresponding slide groove (42), and a spring (412) is fixedly connected between the push plate (411) and the slide groove (42).