CN110710974A

CN110710974A - Head support structure capable of shielding noise for magnetic resonance examination

Info

Publication number: CN110710974A
Application number: CN201911171932.1A
Authority: CN
Inventors: 王芳; 毛文吉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-24
Filing date: 2019-11-24
Publication date: 2020-01-21

Abstract

The invention discloses a head support structure capable of shielding noise for magnetic resonance examination, which comprises two examination tables arranged in parallel, wherein the upper parts and the lower parts of the inner sides of the two examination tables are respectively and fixedly welded with a bedplate and a supporting plate, two sides of the top of the bedplate are respectively provided with a slidable movable rail, the top of the movable rail is provided with a turnover arc-shaped frame, and the inclined surface of the arc-shaped frame is provided with an earmuff. The ear muffs can be used for carrying out sound insulation treatment on the ears of the patient according to the head width of the patient, and the ears extend into the concave parts of the ear muffs, so that the sound insulation effect is better, ear-plug type sound insulation devices are replaced, the magnetic resonance examination device is more comfortable for the examiner to wear, the operation is simple, the use is convenient, the comfort level of the magnetic resonance examination process is improved under the condition of good sound insulation effect, and the normal operation of the magnetic resonance examination process of special people is ensured.

Description

Head support structure capable of shielding noise for magnetic resonance examination

Technical Field

The invention relates to the technical field of medical equipment, in particular to a head support structure capable of shielding noise for magnetic resonance examination.

Background

Magnetic resonance refers to the phenomenon of autorotation magnetic resonance, the spin level is subjected to Zeeman splitting under the action of an external magnetic field, the physical process of resonance absorption of radio frequency radiation with a certain frequency is realized, nuclear magnetic resonance spectroscopy is a branch of spectroscopy, the resonance frequency is in a radio frequency wave band, corresponding transition is the transition of nuclear spin on the nuclear Zeeman level, the nuclear magnetic resonance imaging equipment for medical examination is made by the nuclear magnetic resonance phenomenon in medicine, the nuclear magnetic resonance imaging technology is a common image examination mode, the nuclear magnetic resonance imaging technology is a novel image examination technology, the human health cannot be influenced, but six groups of people are not suitable for nuclear magnetic resonance examination: the patient with cardiac pacemaker, the patient with or suspected of having metal foreign body in eyeball, the patient with aneurysm silver clip ligation, the patient with metal foreign body retention or metal prosthesis, the critical patient with life risk, the patient with claustrophobia, etc. can not bring the monitoring instrument, rescue equipment, etc. into the nuclear magnetic resonance examination room, and in addition, the pregnant woman who is less than 3 months pregnant preferably does not need to do nuclear magnetic resonance examination.

The in-process magnetic resonance equipment of magnetic resonance inspection in hospital can produce certain noise, the noise that produces moreover is great, consequently just hardly guarantee the normal clear of inspection when the patient of inspection infant or heart disease has, can cause the influence to infant's mind and body, cause danger to the patient that has heart disease even, consequently need carry out sound insulation to this type of special crowd and handle, the big a lot of mode of filling in the earplug of adoption of current noise insulation, this kind of mode sound insulation is used limitedly, the effect is relatively poor.

Disclosure of Invention

The invention aims to provide a head rest structure capable of shielding noise for magnetic resonance examination, which has the advantage of good sound insulation effect and solves the problems mentioned in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a head support structure capable of shielding noise for magnetic resonance examination comprises two examination tables which are arranged in parallel, wherein a bedplate and a support plate are fixedly welded at the upper and lower parts of the inner sides of the two examination tables respectively, a slidable moving rail is arranged on each of the two sides of the top of the bedplate, a foldable arc-shaped frame is arranged on the top of the moving rail, earmuffs are arranged on the inclined surface of the arc-shaped frame, a power box is arranged at the top of the support plate and at the bottom of the bedplate, an upper through groove is formed in the top of the power box, a motor is arranged on the left side of the power box, an output shaft of the motor penetrates through an inner cavity of the upper through groove and is welded with a bidirectional threaded rod, the right end of the bidirectional threaded rod is rotatably connected with the right side wall of the upper through groove through a bearing, rectangular holes are formed in the left part and the right part of the front side, the sliding block II is in threaded connection with the bidirectional threaded rod, a spring is arranged in an inner cavity of the moving rail, a moving block is welded at one end, far away from the inner wall of the moving rail, of the spring, a connecting ring is welded at the top of the moving block, a long rod is rotatably connected to the inner cavity of the moving rail, the long rod is rotatably connected with the arc-shaped frame, a first connecting rod and a second connecting rod are rotatably connected to the surfaces of the arc-shaped frame and the moving block respectively, and the first connecting rod and the second.

Preferably, a U-shaped pillow is arranged at the center of the front side of the top of the bedplate.

Preferably, two limiting blocks are symmetrically arranged on two sides of the surface of the bidirectional threaded rod, and the two limiting blocks are located between the two second sliding blocks.

Preferably, the inner cavity of the rectangular hole is provided with a guide rod, the surface of the first sliding block is provided with a round hole in sliding connection with the guide rod, the first sliding block is in sliding connection with the rectangular hole, the surface of the second sliding block is provided with a threaded hole matched with the bidirectional threaded rod, and threads on two sides of the surface of the bidirectional threaded rod are oppositely arranged.

Preferably, the outer sides of the two arc-shaped frames are respectively movably connected with a first lacing and a second lacing through connecting sleeves, and two magic tapes which are mutually matched are arranged on the surfaces of the first lacing and the second lacing.

Preferably, one side of the ear muffs close to the arc-shaped frame is provided with a rubber ball, and the arc-shaped frame is provided with a circular groove matched with the rubber ball.

Preferably, one side of the arc-shaped frame, which is close to the second connecting rod, is embedded with a first magnet, and the top of the moving rail is provided with a second magnet matched with the first magnet.

Compared with the prior art, the invention has the following beneficial effects:

1. the two arc frames are driven by the transmission mechanism to move oppositely or oppositely, the distance between the two arc frames can be adjusted at any time, the two arc frames can be adjusted to the most appropriate position according to the head width of a patient, the ear of the patient can be subjected to sound insulation treatment by the ear muffs, and the ear extends into the concave parts of the ear muffs, so that the sound insulation effect is better, an ear plug type sound insulation device is replaced, an inspector can wear the ear muffs more comfortably, the ear muffs are easy to operate and convenient to use, the comfort level of a magnetic resonance inspection process is improved under the condition of good sound insulation effect, and the normal operation of the magnetic resonance inspection process of special people is ensured.

2. The invention can limit the moving range of the second sliding block through the arrangement of the limiting block, and avoids the problem that the first sliding block collides with the side wall of the rectangular hole to be damaged due to the overlarge moving range of the second sliding block, the first lacing, the second lacing, the connecting sleeve and the magic tape on the surface of the connecting sleeve can fix the first lacing and the second lacing with the head of an inspector, so that the ear muffs are more stably attached to the ears of the inspector, the sound insulation effect is improved, the ear muffs can be more conveniently separated from the arc-shaped frame through the arrangement of the rubber ball, and the rubber ball has the telescopic capacity, so the rubber ball can be buckled with the circular grooves on the surface of the arc-shaped frame, the arc-shaped frame and the ear muffs can be conveniently separated and replaced by new ear muffs, and the cross.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a portion of the inventive platen;

FIG. 3 is a schematic view of the connection of a first slider and a second slider according to the present invention;

FIG. 4 is an enlarged view of point A of FIG. 1 according to the present invention;

FIG. 5 is a schematic view of the arcuate frame structure of the present invention turned ninety degrees;

FIG. 6 is a schematic view of the moving rail structure of the present invention.

In the figure: 1. an inspection table; 2. a platen; 3. a support plate; 4. a moving rail; 5. an arc-shaped frame; 6. ear muffs; 7. a power box; 8. an upper through groove; 9. a motor; 10. a bidirectional threaded rod; 11. a second magnet; 12. a rectangular hole; 13. a first sliding block; 14. a second sliding block; 15. a spring; 16. a moving block; 17. a connecting ring; 18. a long rod; 19. a first connecting rod; 20. a second connecting rod; 21. a U-shaped pillow; 22. a limiting block; 23. a guide bar; 24. a circular hole; 25. a threaded hole; 26. tying a first lace; 27. a second lace; 28. connecting sleeves; 29. a rubber ball; 30. a magnet I; 31. and a second magnet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a head support structure capable of shielding noise for magnetic resonance examination comprises two examination tables 1 which are arranged in parallel, wherein a bedplate 2 and a supporting plate 3 are fixedly welded to the upper and lower parts of the inner side of each examination table 1 respectively, a U-shaped pillow 21 is arranged at the center of the front side of the top of the bedplate 2, slidable moving rails 4 are arranged on the two sides of the top of the bedplate 2, a foldable arc-shaped frame 5 is arranged at the top of the moving rail 4, a first magnet 30 is embedded on one side of the arc-shaped frame 5 close to a second connecting rod 20, a second magnet 11 matched with the first magnet 30 is arranged on the top of the moving rail 4, a first lacing 26 and a second lacing 27 are movably connected to the outer sides of the two arc-shaped frames 5 through connecting sleeves 28 respectively, two magic tapes matched with each other are arranged on the surfaces of the first lacing 26 and the second lacing 27, and the first lacing 26 and the second lacing 27 can be fixed with the head of an examinee through the arrangement of the first, so that the ear muffs 6 are more stably attached to the ears of inspectors, the sound insulation effect is improved, the ear muffs 6 are arranged on the inclined plane of the arc frame 5, one side of the ear muffs 6 close to the arc surface of the arc frame 5 is provided with the rubber ball 29, the arc surface of the arc frame 5 is provided with the circular groove matched with the rubber ball 29, the ear muffs 6 can be more conveniently separated from the arc frame 5 by the arrangement of the rubber ball 29, the rubber ball 29 is a rubber ball with the telescopic capability, so the rubber ball can be buckled with the circular groove on the surface of the arc frame 5, the arc frame 5 and the ear muffs 6 can be conveniently separated and replaced by the new ear muffs 6, the cross infection is avoided, the power box 7 is arranged at the top of the supporting plate 3 and positioned at the bottom of the bedplate 2, the upper through groove 8 is arranged at the top of the power box 7, the motor 9 is arranged at the left, two limit blocks 22 are symmetrically arranged on two sides of the surface of the bidirectional threaded rod 10, the two limit blocks 22 are positioned between the two second sliders 14, the moving range of the second slider 14 can be limited through the arrangement of the limit blocks 22, the problem that the first slider 13 collides with the side wall of the rectangular hole 12 and is damaged due to the overlarge moving range of the second slider 14 is solved, the right end of the bidirectional threaded rod 10 is rotatably connected with the right side wall of the upper through groove 8 through a bearing, the rectangular hole 12 is respectively formed in the left part and the right part of the front side of the bedplate 2, a guide rod 23 is arranged in the inner cavity of the rectangular hole 12, a round hole 24 is arranged on the surface of the first slider 13 and is in sliding connection with the guide rod 23, the first slider 13 is in sliding connection with the rectangular hole 12, a threaded hole 25 matched with the bidirectional threaded rod 10 is arranged on the surface of the second slider 14, threads on two sides of the, the bottom welding of slider 13 has slider two 14, slider two 14 and two-way threaded rod 10 threaded connection, the inner chamber of removing rail 4 is provided with spring 15, the one end welding that spring 15 kept away from the inner wall of removing rail 4 has movable block 16, the top welding of movable block 16 has go-between 17, the inner chamber of removing rail 4 rotates and is connected with stock 18, stock 18 rotates with arc frame 5 to be connected, arc frame 5 rotates respectively with the movable block 16 surface and is connected with connecting rod one 19 and connecting rod two 20, connecting rod one 19 rotates with connecting rod two 20 to be connected.

The working principle is as follows: when the invention is used, a medical staff assists a person to be checked to lie on the top of the bedplate 2, then the user turns the arc-shaped frame 5 for ninety degrees, the arc-shaped frame 5 drives the connecting rod two 20 to stretch, the connecting rod two 20 drives the connecting rod one 19 to stretch, the connecting rod one 19 drives the moving block 16 to slide left and right in the inner cavity of the moving rail 4, the front side and the back side of the inner cavity of the moving rail 4 are provided with transverse grooves matched with the moving block 16 until the side surface of the arc-shaped frame 5 is vertical, then the user starts the motor 9, drives the bidirectional threaded rod 10 to rotate through the motor 9, because the threads arranged on the surface of the bidirectional threaded rod 10 are opposite, the two sliding blocks two 14 can be driven to move oppositely on the surface of the bidirectional threaded rod 10, the sliding blocks two 14 drive the sliding blocks one 13 to slide in the inner cavity of the rectangular hole 12, the sliding blocks one 13 slides on the surface of the guide rod 23, the ear part extends to the inside of the concave part at one side of the earmuff 6, then the magic tapes on the surfaces of the first tying belt 26 and the second tying belt 27 are adhered and fixed with the head of an inspector, and the first tying belt 26 and the second tying belt 27 are both soft cloth and do not cause discomfort when being worn.

In summary, the following steps: this magnetic resonance inspection is with head rest structure that can shield noise, drive two arc framves 5 or opposite movement in opposite directions through drive mechanism, can adjust the distance between two arc framves 5 at any time, can adjust two arc framves 5 to most suitable position according to patient's head width, and then can utilize ear muff 6 to carry out the processing that gives sound insulation to patient's ear, and the ear extends to in ear muff 6's the concave part, consequently, the sound insulation effect is better, ear-plug type noise insulation has been replaced, make the inspector more comfortable when wearing, high durability and convenient use, the comfort level of magnetic resonance inspection process has been improved under the effectual condition of sound insulation, guarantee the normal clear of process of special crowd magnetic resonance inspection.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a magnetic resonance examination is with head rest structure of shielding noise, includes two inspection desk (1) of parallel arrangement, its characterized in that: the upper and lower parts of the inner sides of two inspection tables (1) are respectively fixedly welded with a bedplate (2) and a support plate (3), both sides of the top of the bedplate (2) are respectively provided with a slidable moving rail (4), the top of the moving rail (4) is provided with a foldable arc-shaped frame (5), the inclined plane of the arc-shaped frame (5) is provided with an earmuff (6), the top of the support plate (3) and the bottom of the bedplate (2) are provided with a power box (7), the top of the power box (7) is provided with an upper through groove (8), the left side of the power box (7) is provided with a motor (9), the output shaft of the motor (9) penetrates through the inner cavity of the upper through groove (8) and is welded with a bidirectional threaded rod (10), the right end of the bidirectional threaded rod (10) is rotatably connected with the right side wall of the upper through groove (8) through a bearing, the left part and the right, the bottom fixedly connected with slider (13) of removal rail (4), the bottom welding of slider (13) has slider two (14), slider two (14) and two-way threaded rod (10) threaded connection, the inner chamber of removing rail (4) is provided with spring (15), the one end welding that moves rail (4) inner wall was kept away from in spring (15) has movable block (16), the top welding of movable block (16) has go-between (17), the inner chamber of removing rail (4) rotates and is connected with stock (18), stock (18) rotate with arc frame (5) and are connected, arc frame (5) and movable block (16) surface rotate respectively and are connected with connecting rod one (19) and connecting rod two (20), connecting rod one (19) and connecting rod two (20) rotate and connect.

2. A head rest structure for shielding noise according to claim 1, wherein: the center of the front side of the top of the bedplate (2) is provided with a U-shaped pillow (21).

3. A head rest structure for shielding noise according to claim 1, wherein: two limiting blocks (22) are symmetrically arranged on two sides of the surface of the bidirectional threaded rod (10), and the two limiting blocks (22) are located between the two second sliding blocks (14).

4. A head rest structure for shielding noise according to claim 1, wherein: the inner chamber of rectangular hole (12) is provided with guide bar (23), the surface of slider (13) is seted up and is had round hole (24) with guide bar (23) sliding connection, slider (13) and rectangular hole (12) sliding connection, screw hole (25) with two-way threaded rod (10) looks adaptation are seted up on the surface of slider two (14), the screw thread of two-way threaded rod (10) surface both sides sets up for opposite.

5. A head rest structure for shielding noise according to claim 1, wherein: the outer sides of the arc-shaped frames (5) are respectively movably connected with a first lace (26) and a second lace (27) through connecting sleeves (28), and two magic tapes which are mutually matched are arranged on the surfaces of the first lace (26) and the second lace (27).

6. A head rest structure for shielding noise according to claim 1, wherein: one side of the ear muffs (6) close to the arc-shaped frame (5) is provided with a rubber ball (29), and the arc-shaped frame (5) is provided with a circular groove matched with the rubber ball (29).

7. A head rest structure for shielding noise according to claim 1, wherein: one side of the arc-shaped frame (5) close to the second connecting rod (20) is embedded with a first magnet (30), and the top of the moving rail (4) is provided with a second magnet (11) matched with the first magnet (30).