CN209644897U - A kind of magnetic resonance head fixing device - Google Patents

Abstract

A kind of magnetic resonance head fixing device, including bed board, arc headrest is fixedly mounted in the middle part of the top surface of bed board, the two sides of arc headrest tilt and elastic deformation can occur upwards, the bottom surface both side of arc headrest opens up sliding slot respectively, the top surface of bed board opens up two the first screw holes, the position of first screw hole and sliding slot corresponds, equal screw thread installs the first bolt in first screw hole, hemisphere sliding block is fixedly mounted in the end of thread of first bolt, hemisphere sliding block be inserted respectively into corresponding sliding slot and can along sliding, the top surface two sides of bed board open up bar shaped through groove respectively, cooperation is equipped with stripe board in bar shaped through groove, two pieces of stripe boards are parallel to each other, the two sides of bed board open up the second screw hole respectively.Hemisphere sliding block can further decrease the frictional resistance that is subject to of the end of thread of the first bolt in sliding slot sliding, thus can be further improved the stability of device when in use, it is more convenient when in use.

Description

A kind of magnetic resonance head fixing device

Technical field

The utility model belongs to field of medical device, specifically a kind of magnetic resonance head fixing device.

Background technique

Magnetic resonance imaging is that the one kind for utilizing electromagnetic induction phenomenon to manufacture is used for the imaging device of medical inspection, is being checked When, need patient to lie low onto examination couch, head remain stationary it is motionless, to achieve the purpose that imaging, but due to patient's The state of an illness is different, and what is had can move freely, and some then can not be movable, and household or doctor is needed to assist lifting on examination couch, existing Examination couch is difficult to play the head of patient stable fixed function, therefore it is difficult to ensure that the head of patient is stationary, slightly Shaking then easily causes image artifacts, causes biggish misleading to the diagnostic result of doctor, and magnetic resonance is during the scanning process It is easy to generate very strong noise, and then is easy to lead to the uncomfortable fear for even causing patient of patient, is unfavorable for the imaging effect of image Fruit, it is more inconvenient when in use.

Utility model content

The utility model provides a kind of magnetic resonance head fixing device, to solve defect in the prior art.

The utility model is achieved by the following technical programs:

Arc headrest, arc is fixedly mounted in the top surface middle part of a kind of magnetic resonance head fixing device, including bed board, bed board The two sides of headrest tilt and can occur upwards elastic deformation, and the bottom surface both side of arc headrest opens up sliding slot, the top of bed board respectively Face opens up two the first screw holes, and the position of the first screw hole and sliding slot corresponds, and screw thread installs the first bolt in the first screw hole, The end of thread of first bolt is fixedly mounted hemisphere sliding block, hemisphere sliding block be inserted respectively into corresponding sliding slot and can along cunning Dynamic, the top surface two sides of bed board open up bar shaped through groove respectively, and cooperation is equipped with stripe board in bar shaped through groove, and two pieces of stripe boards are mutually flat Row, the two sides of bed board open up the second screw hole respectively, and the second screw hole is communicated with the inside of corresponding bar shaped through groove respectively, the second screw hole Interior equal screw thread installs the second bolt, the end of thread of the second bolt can respectively with the outside close contacting fit of corresponding stripe board, The inside top of stripe board opens up third screw hole, and screw thread installs third bolt, the end of thread of third bolt in third screw hole Pipe sleeve is installed by bearing, the inner end of pipe sleeve is open and opening direction is opposite, and cooperation is equipped with motion bar, activity in pipe sleeve Bar can be slided along corresponding pipe sleeve respectively, and the outer end of motion bar connects with the inside inner wall of corresponding pipe sleeve by the way that spring is fixed respectively It connects, sound insulation locating cover is fixedly mounted in the inner end of motion bar, and the inside of sound insulation locating cover is open, the open-mouth ruler of sound insulation locating cover The very little ear sizes for being all larger than the mankind.

A kind of magnetic resonance head fixing device as described above, ring is fixedly mounted in the inside of the sound insulation locating cover Shaped inflatable pad.

A kind of magnetic resonance head fixing device as described above is equipped with before the stripe board equally distributed Graduation mark.

A kind of magnetic resonance head fixing device as described above, the arc headrest are fabricated for ABS plastic.

Arc sea is fixedly mounted in the top surface of a kind of magnetic resonance head fixing device as described above, the arc headrest Silk floss pad.

A kind of magnetic resonance head fixing device as described above, first bolt, the second bolt and third bolt Disk handle is fixedly mounted in head.

The utility model has the advantages that: the head fixing device of the utility model when in use, first rotates the first spiral shell respectively Bolt, the first bolt are threadedly engaged with corresponding first screw hole respectively, and then the first bolt can be respectively along corresponding first screw hole Lower movement, the first bolt drive corresponding hemisphere sliding block to move up and down respectively, and then hemisphere sliding block can be respectively along corresponding sliding slot Elastic deformation occurs upwards for sliding, the two sides for making arc rest the head on, so as to further adjust the tilting height of arc headrest two sides, Therefore arc can be rested the head on and is adjusted to be suitble to the radian of patient head, so as to which the head of patient is just caught in arc headrest It is interior；Unscrew the second bolt respectively, then adjusts separately the height of stripe board, and then stripe board can be respectively along corresponding bar shaped through groove It is mobile, when the height of sound insulation locating cover is adjusted to identical as the height of patient's ear, the second bolt is tightened respectively, so as to The position of corresponding stripe board is locked respectively；Respectively rotate third bolt, third bolt respectively with corresponding third screw hole spiral shell Line cooperation, and then third bolt can be moved along corresponding third screw hole respectively, third bolt drives corresponding pipe sleeve mobile respectively, Pipe sleeve drives motion bar to move inward by spring respectively, and motion bar drives the corresponding inside sidesway of sound insulation locating cover respectively It is dynamic, when the ear of patient is covered and then continued to rotate third bolt respectively by sound insulation locating cover, be after spring-compressed Only, the inside of sound insulation locating cover can be with the skin close contacting fit around the ear of patient at this time, can be by the ear of patient It is piece completely isolated with the external world, the effect for limiting the head of patient can be further functioned as by two sound insulation locating covers at this time.This reality It is simple with novel head fixing device structure, it operates conveniently, the position of device can be adjusted according to the head dummy of different patients, in turn It can be by the head of patient limiting steadily, so as to further prevent patient's shaking when carrying out magnetic resonance imaging, therefore energy It is further ensured that the clarity of image, is conducive to doctor and carries out more accurately judgement, and the head of the utility model is fixed Device can cover the ear of patient, and then can further decrease influence of the noise to patient of magnetic resonance, be conducive to further Reduce the fear of patient, so as to keep patient calmer, is suitble to promote the use of.Hemisphere sliding block can further decrease the first spiral shell The frictional resistance that is subject to of the end of thread of bolt when sliding slot slides, thus can be further improved the stability of device when in use, It is more convenient when in use.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of the utility model；Fig. 2 is the enlarged drawing of the A direction view of Fig. 1.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

Arc is fixedly mounted in the middle part of the top surface of bed board 1 as shown, including bed board 1 in a kind of magnetic resonance head fixing device Forming head pillow 2, the two sides of arc headrest 2 tilt and can occur upwards elastic deformation, and the bottom surface both side of arc headrest 2 opens up respectively Sliding slot 3, the top surface of bed board 1 open up two the first screw holes 4, and the position of the first screw hole 4 and sliding slot 3 corresponds, in the first screw hole 4 Equal screw thread installs the first bolt 5, and hemisphere sliding block 6 is fixedly mounted in the end of thread of the first bolt 5, and hemisphere sliding block 6 is inserted respectively into In corresponding sliding slot 3 and can along sliding, the top surface two sides of bed board 1 open up bar shaped through groove 7 respectively, cooperate in bar shaped through groove 7 Equipped with stripe board 8, two pieces of stripe boards 8 are parallel to each other, and the two sides of bed board 1 open up the second screw hole 9 respectively, the second screw hole 9 respectively with The inside of corresponding bar shaped through groove 7 communicates, and equal screw thread installs the second bolt 10, the end of thread of the second bolt 10 in the second screw hole 9 Can be respectively with the outside close contacting fit of corresponding stripe board 8, the inside top of stripe board 8 opens up third screw hole 11, and Equal screw thread installs third bolt 12 in three screw holes 11, and the end of thread of third bolt 12 installs pipe sleeve 13, pipe sleeve 13 by bearing Inner end be open and opening direction is opposite, cooperation is equipped with motion bar 14 in pipe sleeve 13, and motion bar 14 can be respectively along corresponding Pipe sleeve 13 slides, and the outer end of motion bar 14 is fixedly connected with the inside inner wall of corresponding pipe sleeve 13 by spring 15 respectively, activity Sound insulation locating cover 16 is fixedly mounted in the inner end of bar 14, and the inside of sound insulation locating cover 16 is open, the opening of sound insulation locating cover 16 Size is all larger than the ear sizes of the mankind, i.e. the ear of patient can be covered by corresponding sound insulation locating cover 16 respectively.This is practical new The head fixing device of type when in use, first rotates the first bolt 5 respectively, the first bolt 5 respectively with corresponding first screw hole, 4 spiral shell Line cooperation, and then the first bolt 5 can be moved up and down along corresponding first screw hole 4 respectively, the first bolt 5 drives corresponding half respectively Ball sliding block 6 moves up and down, and then hemisphere sliding block 6 can be slided along corresponding sliding slot 3 respectively, sends out the two sides of arc headrest 2 upwards Arc headrest 2 so as to further adjust the tilting height of 2 two sides of arc headrest, therefore can be adjusted to suitable by raw elastic deformation The radian of combination of syndromes head part, so as to which the head of patient to be just caught in arc headrest 2；Unscrew the second bolt 10 respectively, so The height of stripe board 8 is adjusted separately afterwards, and then stripe board 8 can be moved along corresponding bar shaped through groove 7 respectively, when sound insulation locating cover When 16 height is adjusted to identical as the height of patient's ear, the second bolt 10 is tightened respectively, so as to respectively by corresponding item It locks the position of shape plate 8；Third bolt 12 is rotated respectively, third bolt 12 is threadedly engaged with corresponding third screw hole 11 respectively, And then third bolt 12 can be moved along corresponding third screw hole 11 respectively, third bolt 12 drives corresponding pipe sleeve 13 to move respectively Dynamic, pipe sleeve 13 drives motion bar 14 to move inward by spring 15 respectively, and motion bar 14 drives corresponding sound insulation to position respectively Cover 16 moves inward, when the ear of patient is covered and then continued to rotate third bolt 12 respectively by sound insulation locating cover 16, directly Until after the compression of spring 15, the inside of sound insulation locating cover 16 can be in close contact with the skin around the ear of patient and match at this time It closes, can be completely isolated by the ear of patient and the external world, restriction disease can be further functioned as by two sound insulation locating covers 16 at this time The effect on the head of people.The head fixing device structure of the utility model is simple, operates conveniently, can be according to the head dummy of different patients The position of device is adjusted, and then can be by the head of patient limiting steadily, so as to further prevent patient total in progress magnetic It is shaken when vibration imaging, therefore can be further ensured that the clarity of image, be conducive to doctor and carry out more accurately judgement, and this The head fixing device of utility model can cover the ear of patient, and then can further decrease the noise of magnetic resonance to patient's It influences, is conducive to the fear for further decreasing patient, so as to keep patient calmer, be suitble to promote the use of.Hemisphere sliding block 6 The frictional resistance that is subject to of the end of thread of the first bolt 5 when sliding slot 3 slides can be further decreased, to can be further improved dress Stability when in use is set, it is more convenient when in use.

Specifically, in order to further increase comfort level of patient when using sound insulation locating cover 16, described in the present embodiment The inside of sound insulation locating cover 16 annular inflatable pad 17 is fixedly mounted.It can make sound insulation locating cover 16 more by annular inflatable pad 17 Stick on the ear of combination of syndromes people, to can be further improved the comfort level of patient, while can be further improved sound insulation locating cover 16 Soundproof effect, it is more convenient when in use.

Specifically, in order to easily facilitate the height for adjusting two pieces of stripe boards 8, before stripe board 8 described in the present embodiment It is equipped with equally distributed graduation mark 18.The height of stripe board 8 can be intuitively observed by graduation mark 18, and then can be easily facilitated Two pieces of stripe boards 8 are adjusted to high states are waited, to can be further improved the convenience of device when in use.

Further, in order to further extend the service life of arc headrest 2, the headrest of arc described in the present embodiment 2 is ABS plastic is fabricated.Arc 2 radians in free state of headrest are larger, and ABS plastic have good high resiliency with it is tough Property, therefore after the radian of arc headrest 2 is adjusted to lesser state and unclamps again, arc headrest 2 can be restored quickly, be conducive to Further extend the service life of arc headrest 2.

Further, in order to further increase comfort level of the patient when resting the head on arc headrest 2, arc described in the present embodiment Arc foam-rubber cushion 19 is fixedly mounted in the top surface of forming head pillow 2.Arc foam-rubber cushion 19 can further buffer head and the curved head of patient Pressure when 2 contact of pillow, to can be further improved comfort level of the patient when resting the head on arc headrest 2.

Further, in order to further convenient for the first bolt 5 of staff's rotation, the second bolt 10 and third bolt 12, the first bolt 5 described in the present embodiment, the second bolt 10 and third bolt 12 head disk handle 20 is fixedly mounted. When in use, staff can directly rotate the first bolt 5, the second bolt 10 and third bolt 12 with hand, without tool, It is more convenient when in use.

Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims (6)

1. a kind of magnetic resonance head fixing device, it is characterised in that: including bed board (1), fixed peace in the middle part of the top surface of bed board (1) Arc headrest (2) is filled, the two sides of arc headrest (2) tilt and can occur upwards elastic deformation, the bottom surface two of arc headrest (2) Side opens up sliding slot (3) respectively, and the top surface of bed board (1) opens up two the first screw holes (4), the position of the first screw hole (4) and sliding slot (3) It corresponds, hemisphere is fixedly mounted in screw thread installation the first bolt (5), the end of thread of the first bolt (5) in the first screw hole (4) Sliding block (6), hemisphere sliding block (6) be inserted respectively into corresponding sliding slot (3) and can along sliding, the top surface two sides point of bed board (1) It does not open up bar shaped through groove (7), cooperation is equipped with stripe board (8) in bar shaped through groove (7), and two pieces of stripe boards (8) are parallel to each other, bed board (1) two sides open up the second screw hole (9) respectively, and the second screw hole (9) is communicated with the inside of corresponding bar shaped through groove (7) respectively, the Equal screw thread installation the second bolt (10) in two screw holes (9), the end of thread of the second bolt (10) can respectively with corresponding stripe board (8) Outside close contacting fit, the inside top of stripe board (8) opens up third screw hole (11), equal screw thread in third screw hole (11) It installs third bolt (12), the end of thread of third bolt (12) installs pipe sleeve (13) by bearing, and the inner end of pipe sleeve (13) is equal It is open and opening direction is opposite, cooperation is equipped with motion bar (14) in pipe sleeve (13), and motion bar (14) can be respectively along corresponding pipe (13) sliding is covered, the outer end of motion bar (14) connects with the inside inner wall of corresponding pipe sleeve (13) by the way that spring (15) are fixed respectively It connects, the inner end of motion bar (14) is fixedly mounted sound insulation locating cover (16), and the inside of sound insulation locating cover (16) is open, and sound insulation is fixed The opening size of position cover (16) is all larger than the ear sizes of the mankind.

2. a kind of magnetic resonance head fixing device according to claim 1, it is characterised in that: the sound insulation locating cover (16) annular inflatable pad (17) are fixedly mounted in inside.

3. a kind of magnetic resonance head fixing device according to claim 1, it is characterised in that: the stripe board (8) Front is equipped with equally distributed graduation mark (18).

4. a kind of magnetic resonance head fixing device according to claim 1, it is characterised in that: the arc rests the head on (2) It is fabricated for ABS plastic.

5. a kind of magnetic resonance head fixing device according to claim 1, it is characterised in that: the arc rests the head on (2) Top surface be fixedly mounted arc foam-rubber cushion (19).

6. a kind of magnetic resonance head fixing device according to claim 1, it is characterised in that: first bolt (5), disk handle (20) are fixedly mounted in the head of the second bolt (10) and third bolt (12).