CN213910572U

CN213910572U - Head fixing device for magnetic resonance examination

Info

Publication number: CN213910572U
Application number: CN202021528021.8U
Authority: CN
Inventors: 赖铁强; 李雪松
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-08-10
Anticipated expiration: 2030-07-29

Abstract

The utility model discloses a head fixing device for magnetic resonance examination, which comprises a shoulder fixing part, a C-shaped sliding groove part, a sliding connecting rod, a pillow, a head fixing ring, a rotating shaft, a cushion, a screw rod, a knob, an internal thread cylinder, a guide rod, a pressing plate and a pin shaft, wherein a plane corresponding to the back side of the brain is formed on the outer surface of the head fixing ring, and the plane where the head fixing ring is arranged is vertical to the plane corresponding to the back side of the brain; the outer surfaces of two side edges of the head fixing ring, which are perpendicular to the plane corresponding to the back side of the brain, are fixedly connected with a rotating shaft, and each rotating shaft is rotatably connected with one end of a sliding connecting rod. This practicality carries out the relative support of head through the shoulder is fixed with the head is fixed, simple structure, and is respond well, can stabilize human head, and it is clear to scan when guaranteeing the magnetic resonance inspection.

Description

Head fixing device for magnetic resonance examination

Technical Field

The utility model relates to a medical auxiliary instrument, in particular to a head fixing device for magnetic resonance examination.

Background

The brain diseases often need to be scanned by using magnetic resonance in the treatment process, when a patient is subjected to magnetic resonance examination, examination and scanning, the examined part is required to be relatively static, if the patient is slightly shaken, image artifacts are easily caused during nuclear magnetic imaging, the image quality is influenced, the accuracy of the examination result is influenced, errors or even errors are generated in the examination result, and the treatment of the patient is influenced.

In the prior art, the method has the defects that,

CN209136611U discloses a head fixing device for nuclear magnetic resonance examination, relates to medical instrument technical field. This a head fixing device for nuclear magnetic resonance inspection, including the support frame, the bottom central authorities fixedly connected with pillow of support frame inner wall, the equal fixedly connected with ear protector in the left and right sides of pillow, the top of support frame is through first screw hole and first threaded rod swing joint, the bottom fixedly connected with diaphragm of first threaded rod.

CN210044005U discloses a head fixing device for nuclear magnetic resonance-including the bed body, the last fixed surface of bed body one end is connected with medical headrest, the equal fixedly connected with head baffle in both ends of medical headrest upper surface, the upper surface of medical headrest is provided with the magic subsides. This head fixing device for nuclear magnetic resonance, setting through medical headrest and head baffle, lie when the bed body is gone up to patient, medical headrest is hugged closely to the head, the disposable pillow piece can be pasted on its medical headrest to the setting that the magic was pasted, avoid having the dermatosis patient bacterium and then infecting the patient of next inspection left over at the headrest, the setting of head baffle, can effectually fix the head in the region of medical headrest, the setting of foam-rubber cushion, can not cause to collide with because of wrench head or other actions, and then reached clean sanitary effect and avoided the condition of colliding with.

However, in the above prior art, the product of the comparison document 1 is complicated and the cost is high. The effect of fixing of the comparison document 2 is not particularly good, and the fixing effect may not be particularly stable when, for example, a child is examined.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a head fixing device for magnetic resonance inspection, it is fixed effectual, and the structure is simple relatively, and the cost is lower.

In order to achieve the above object, the utility model provides a following technical scheme:

a head fixing device for magnetic resonance examination is fixedly arranged at the end part of a magnetic resonance examination body and comprises a shoulder fixing piece and a head fixing ring. The outer surface of the head fixing ring is provided with a plane corresponding to the back side of the brain, and the plane where the head fixing ring is located is vertical to the plane corresponding to the back side of the brain. The outer surfaces of two sides of the head fixing ring, which are vertical to the plane corresponding to the back side of the brain, are respectively fixed with a rotating shaft, and the rotating shafts are rotatably connected with one end of a sliding connecting rod. Each sliding connecting rod is connected in a sliding groove of the corresponding C-shaped sliding groove piece in a sliding mode. One end of the C-shaped chute piece, which is far away from the head fixing ring, is fixedly connected to the shoulder fixing piece. The head fixing ring is provided with a through hole at a position corresponding to the forehead of a human body, and the through hole is fixedly connected with a coaxial internal thread cylinder. The internal thread section of thick bamboo female connection screw rod, the screw rod is located the outside one end fixed connection knob of the solid fixed ring of head, and the screw rod is located the inside one end tip of the solid fixed ring of head and has seted up the through-hole, and the round pin axle is inserted in the through-hole. One end of the pin shaft is connected with the inner side of the head fixing ring and is provided with a pressing plate. The pressing plate is arranged between the head fixing ring and the cushion. The inner wall of the head fixing ring is provided with a soft pad, and the position of the soft pad corresponding to the rear side of the head is adhered to the inner wall of the head fixing ring. The shoulder fixing piece is a U-shaped bent plate, the inner side surface of the shoulder fixing piece is a curved surface conforming to human engineering, and the outer side surface of the shoulder fixing piece is a plane. One side of the pressure plate facing the inner wall of the head fixing ring is fixedly connected with one end of a guide rod, and the guide rod is connected in a through hole which is pre-arranged on the head fixing ring in a sliding manner.

Furthermore, a threaded hole is formed in the surface of the sliding connecting rod and in a position corresponding to the C-shaped sliding groove on the C-shaped sliding groove piece, the surface of the sliding connecting rod is in threaded connection with a locking bolt, and a pressing block is arranged between the head of the locking bolt and the C-shaped sliding groove piece.

Further, the C-shaped sliding groove piece is a rod piece with a C-shaped sliding groove formed in the surface.

Furthermore, a pillow is connected with the position of the head fixing ring (5) corresponding to the back side of the head.

Compared with the prior art, the beneficial effects of the utility model are that:

this practicality carries out the relative support of head through the shoulder is fixed with the head is fixed, simple structure, and is respond well, is carrying out the magnetic resonance inspection simultaneously and when lying on the operation panel, can stabilize human head, guarantees that the magnetic resonance inspection scans clearly. Simple structure and good fixing effect.

Drawings

Fig. 1 is a schematic view of an overall structure of an embodiment of the present invention;

FIG. 2 is a schematic view of the head fixing ring in the embodiment of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Reference numerals

The shoulder fixing part 1, the C-shaped chute part 2, the sliding connecting rod 3, the pillow 4, the head fixing ring 5, the pressing block 6, the locking bolt 7, the rotating shaft 8, the soft cushion 9, the annular bulge 10, the screw rod 11, the knob 12, the internal thread cylinder 13, the guide rod 14, the pressing plate 15 and the pin shaft 16.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, a head fixing device for magnetic resonance examination includes a shoulder fixing member 1, a C-shaped chute member 2, a sliding connecting rod 3, a pillow 4, a head fixing ring 5, a pressing block 6, a locking bolt 7, a rotating shaft 8, a cushion 9, an annular protrusion 10, a screw 11, a knob 12, an internal thread cylinder 13, a guide rod 14, a pressing plate 15, and a pin 16. The outer surface of the head fixing ring 5 is formed with a plane corresponding to the back side of the brain, and the plane where the head fixing ring 5 is located is perpendicular to the plane corresponding to the back side of the brain, so that a patient can conveniently perform magnetic resonance examination. The outer surfaces of two side edges of the head fixing ring 5, which are vertical to the plane corresponding to the back side of the brain, are vertically welded with a rotating shaft 8, each rotating shaft 8 is rotatably connected with one end of a sliding connecting rod 3, and each sliding connecting rod 3 is slidably connected in a sliding groove of the C-shaped sliding groove piece 2 corresponding to the sliding connecting rod. One end fixed connection that C shape chute spare 2 deviates from the solid fixed ring of head 5 is on shoulder mounting 1 to make and to support patient's head in carrying out the treatment process, should support fixed knot simultaneously and construct and fix the head when also can be applied to the magnetic resonance inspection, simplify the treatment process, avoid frequently according to the apparatus that check out test set wore more.

The size of the head fixing ring 5 can be manufactured according to the diameters of the heads of children and adults and is slightly larger than the average value of the diameters of the heads of the children and the adults, the head fixing ring 5 needs to be fixed on the head by a positioning device after being worn, and the head fixing ring can be designed and manufactured to be worn.

The C-shaped chute piece 2 is a rod piece with a C-shaped chute on the surface.

The shoulder fixing piece 1 is a U-shaped bent plate so as to be clamped on the shoulder of a human body, the inner side surface of the shoulder fixing piece 1 is a curved surface conforming to human engineering, the outer side surface of the shoulder fixing piece 1 is a plane, and the shoulder fixing piece 1 is made of plastic with the thickness of 2-3 mm, so that the phenomenon that a patient lies down when wearing the shoulder fixing piece cannot cause excessive compression on skin and discomfort is avoided.

The surface of the sliding connecting rod 3 and the position corresponding to the C-shaped sliding groove on the C-shaped sliding groove piece 2 are provided with threaded holes and are in threaded connection with a locking bolt 7, a pressing block 6 is arranged between the head of the locking bolt 7 and the C-shaped sliding groove piece 2, and the pressing block is used for controlling the pressing and loosening of the C-shaped sliding groove piece 2 by rotating the locking bolt 7, so that the distance between the shoulder fixing piece 1 and the head fixing ring 5 can be adjusted, and the use of people with different body types can be met.

The through-hole has been seted up with the position that the solid fixed ring of head 5 corresponds of human forehead, the equal fixed connection of through-hole department and its coaxial internal thread section of thick bamboo 13, internal thread section of thick bamboo 13 internal thread connection screw rod 11, screw rod 11 is located the solid fixed ring of 5 outside one end fixed connection knob 12 of head, screw rod 11 is located the solid fixed ring of head 5 inside one end tip and has seted up the through-hole, peg graft round pin axle 16 in the through-hole (round pin axle 16 surface takes shape has round annular arch 10, the external diameter of annular arch 10 is the same with the through-hole internal diameter, thereby reduce contact friction, make to rotate relatively nimble. One end of the pin shaft 16 is connected with a pressing plate 15 arranged on the inner side of the head fixing ring 5, and the pressing plate 15 is an arc-shaped plate meeting the requirement of the forehead radian of a human body. One end of a guide rod 14 is fixedly connected to one side surface of the pressure plate 15 facing the inner wall of the head fixing ring 5, and the guide rod 14 is slidably connected to a through hole which is formed in the head fixing ring 5 in advance so as to play a guiding role and ensure that the pressure plate 15 does not rotate along with the screw rod 11.

Be provided with cushion 9 on the solid fixed ring 5's of head inner wall, the position bonding that cushion 9 and head rear side correspond is on the solid fixed ring 5's of head inner wall, and cushion 9 does not bond with the position that the forehead corresponds, and clamp plate 15 sets up between solid fixed ring 5 of head and cushion 9 to the clamp plate 15 is fixed to the head.

The head fixing ring 5 is connected with the pillow 4 at the position corresponding to the rear side of the head, and the plane of the pillow 4 corresponding to the rear side of the brain is bonded with a hard plate material, so that when a patient lies on an operation platform of the magnetic resonance examination equipment, the smooth posture can be ensured, and the scanning is convenient

All parts of the utility model are made of materials without magnetism, preferably plastic materials, so as to avoid the interference to the inspection equipment during nuclear magnetic inspection.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A head fixing device for magnetic resonance examination is fixedly arranged at the end part of a magnetic resonance examination body and comprises a shoulder fixing part (1) and a head fixing ring (5), and is characterized in that the outer surface of the head fixing ring (5) is provided with a plane corresponding to the back side of the brain, and the plane of the head fixing ring (5) is vertical to the plane corresponding to the back side of the brain; the outer surfaces of two side edges of the head fixing ring (5) perpendicular to the plane corresponding to the back side of the brain are respectively fixed with a rotating shaft (8), and the rotating shaft (8) is rotatably connected with one end of the sliding connecting rod (3); each sliding connecting rod (3) is connected in a sliding groove of the corresponding C-shaped sliding groove piece (2) in a sliding mode, and one end, away from the head fixing ring (5), of the C-shaped sliding groove piece (2) is fixedly connected to the shoulder fixing piece (1); the head fixing ring (5) is provided with a through hole at a position corresponding to the forehead of a human body, and the through hole is fixedly connected with a coaxial internal thread cylinder (13) of the through hole; the internal thread cylinder (13) is connected with a screw rod (11) in an internal thread mode, one end, positioned outside the head fixing ring (5), of the screw rod (11) is fixedly connected with a knob (12), a through hole is formed in the end portion, positioned inside the head fixing ring (5), of the screw rod (11), and a pin shaft (16) is inserted into the through hole; one end of the pin shaft (16) is connected with the inner side of the head fixing ring (5) and is provided with a pressing plate (15); the pressure plate (15) is arranged between the head fixing ring (5) and the soft cushion (9); a soft pad (9) is arranged on the inner wall of the head fixing ring (5), and the position, corresponding to the rear side of the head, of the soft pad (9) is bonded on the inner wall of the head fixing ring (5); the shoulder fixing piece (1) is a U-shaped bent plate, the inner side surface of the shoulder fixing piece (1) is a curved surface conforming to human engineering, and the outer side surface of the shoulder fixing piece (1) is a plane; one end of a guide rod (14) is fixedly connected to one side face, facing the inner wall of the head fixing ring (5), of the pressing plate (15), and the guide rod (14) is connected to the inside of a through hole which is formed in the head fixing ring (5) in a sliding mode.

2. The head fixing device for magnetic resonance examination as claimed in claim 1, wherein a threaded hole is formed in the surface of the sliding connecting rod (3) at a position corresponding to the C-shaped sliding groove of the C-shaped sliding groove member (2) and a locking bolt (7) is connected with the surface through threads, and a pressing block (6) is arranged between the head of the locking bolt (7) and the C-shaped sliding groove member (2).