CN215458120U

CN215458120U - Head fixing device for CT examination of skull

Info

Publication number: CN215458120U
Application number: CN202121957255.9U
Authority: CN
Inventors: 李尧
Original assignee: Chongqing Public Health Medical Center
Current assignee: Chongqing Public Health Medical Center
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-01-11
Anticipated expiration: 2031-08-20

Abstract

The utility model relates to the technical field of fixing devices, in particular to a head fixing device for CT examination of a skull, which comprises a fixing base, wherein two symmetrically distributed connecting convex blocks are arranged on the surface of the fixing base and close to two ends of the front side, a head supporting plate is rotatably connected between the two connecting convex blocks, fixing vertical plates are symmetrically distributed on two side edges of the surface of the head supporting plate, side fixing mechanisms are arranged on the side surfaces of the two fixing vertical plates and close to the top, and the surface of the head supporting plate and the position in the middle of the rear side edge are connected with a top fixing mechanism through a second L-shaped fixing plate. This head fixing device of CT inspection skull fixes the both sides of patient's head through two side fixed establishment, and rethread top fixed establishment fixes patient's forehead department to make patient's head fixed, ensure that patient's head can not take place to rock when carrying out the CT inspection.

Description

Head fixing device for CT examination of skull

Technical Field

The utility model relates to the technical field of fixing devices, in particular to a head fixing device for CT examination of a skull.

Background

The cranial CT examination is a commonly used examination means in neurology, and it is mainly to know the morphology and structure of the brain and the substantive lesion in the brain, and can be found through the cranial CT examination, such as the most common cerebrovascular diseases, including cerebral infarction and cerebral hemorrhage, the location and size of infarction or hemorrhage, the presence or absence of edema around hemorrhage, the presence or absence of normal brain tissue compression, the presence or absence of brain tumor, the location and size of tumor, the presence or absence of edema around brain tissue, the presence or absence of brain atrophy and hydrocephalus, and the unobstructed aqueduct of brain, etc., except for the change of brain parenchyma, the corresponding cranial condition can also be found through the CT examination.

When the skull CT examination is carried out, part of unconscious patients cannot be matched with the scanning bed to keep the head fixed all the time, and the patient who is conscious is easy to shake the head in the process of entering and exiting the scanning bed, so that the examination is finally unsuccessful. In view of this, we propose a head fixation device for CT examination of the skull.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a head fixing device for CT examination of a skull, which aims to solve the problems that when the CT examination of the skull is carried out, part of unconscious patients cannot be matched with the patient to keep the head still, and the head is easy to shake in the process of entering and exiting a scanning bed even if the conscious patients are conscious, so that the examination is unsuccessful.

In order to achieve the purpose, the utility model provides the following technical scheme:

a head fixing device for CT examination of a skull comprises a fixing base, wherein two connecting convex blocks which are symmetrically distributed are arranged on the surface of the fixing base and close to two ends of the front side, a head supporting plate is rotatably connected between the two connecting convex blocks, one end of the head supporting plate can rotate relative to the two connecting convex blocks, a headrest is arranged on the surface of the head supporting plate, two fixing vertical plates which are symmetrically distributed are arranged at two side edges of the surface of the head supporting plate, side fixing mechanisms are arranged on the side surfaces of the two fixing vertical plates and close to the top, each side fixing mechanism comprises a horizontally arranged hollow tube, the end part of the hollow tube penetrates through the side surface of the fixing vertical plate, a piston plate is connected in the hollow tube in a sliding manner, a push rod is horizontally arranged in the middle of one side of the piston plate, one end of the push rod, far away from the piston plate, rotatably penetrates through the inner wall of the hollow tube and is connected with a circular rubber plate, the one end that circular rubber board was kept away from to the hollow tube is connected with the air duct, unable adjustment base's surface and the position that is located rear side edge middle part are vertical to be equipped with first L shape fixed plate, unable adjustment base's one end middle part is kept away from to first L shape fixed plate with it is connected with the plastics lead screw to rotate between unable adjustment base's the surface, the outer wall swing joint of plastics lead screw has adaptation mechanism, be equipped with spherical air-blowing on the air duct for the inside air charging of air duct.

Preferably, the joint of the hollow pipe and the fixed vertical plate is bonded through viscose.

Preferably, the adaptation mechanism is including the U-shaped movable plate that is the level setting, the blind end that runs through the U-shaped movable plate is rotated to the tip of plastics lead screw, the open end of U-shaped movable plate is connected with the hollow slab of rectangle through the turning block, the hollow slab of rectangle sliding connection has swing joint board, swing joint board's front side pass the hollow slab of rectangle inner wall and with the middle part of head backup pad rear side is connected.

Preferably, one end, far away from the fixed base, of the top end of the plastic screw rod, which penetrates through the first L-shaped fixing plate, is connected with a knob.

Preferably, the U-shaped moving plate is in threaded connection with the plastic screw rod, and the rear side of the U-shaped moving plate is attached to the front side of the vertical plate of the first L-shaped fixed plate.

Preferably, the rotating block is rotatably connected between two sides of the inner wall of the rectangular hollow plate.

Preferably, be equipped with spherical air-blowing on the air duct, the gas tube that the spherical air-blowing was connected with the check valve, the one end that the check valve kept away from spherical air-blowing has the three-way pipe through pipe connection, and is equipped with the release valve on the pipe, the both ends of three-way pipe respectively with two the air duct is connected.

Preferably, the surface of head backup pad and the position that is located the rear side edge middle part are vertical to be equipped with second L shape fixed plate, the bottom of second L shape fixed plate upper horizontal plate and the position that is close to the front side middle part are equipped with top fixed establishment, top fixed establishment includes the circular pipe, the circular intraductal plastics spring that is equipped with, the top of plastics spring with the bottom of second L shape fixed plate horizontal plate bonds, the bottom of plastics spring bonds and has the connecting rod, the top sliding connection of connecting rod is in the circular pipe, the bottom of connecting rod is equipped with the arc rubber slab, the arc rubber slab is located the top of headrest.

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

according to the head fixing device for the CT examination skull, air is filled into the hollow pipe of the side fixing mechanism through the arranged spherical air blower, so that the piston plate pushes the circular rubber plates to move, two sides of the head of a patient are fixed through the two circular rubber plates, and the forehead of the patient is fixed through the top fixing mechanism, so that the head of the patient is fixed, and the head of the patient is prevented from shaking during CT examination; the pitching angle of the head supporting plate can be adjusted through the plastic screw rod and the adaptive mechanism, so that the head of the patient can be adjusted to be at an angle suitable for CT examination.

Drawings

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

FIG. 2 is a schematic diagram of a portion of the structure of the present invention;

FIG. 3 is a second partial schematic view of the present invention;

FIG. 4 is a schematic view of an assembly structure of the fixing vertical plate and the side fixing mechanism in the present invention;

fig. 5 is a schematic view of an assembly structure of a second L-shaped fixing plate and a top fixing mechanism in the present invention.

In the figure: fixed baseplate 1, connecting lug 10, first L-shaped fixed plate 11, plastic screw rod 2, knob 20, adaptation mechanism 3, U-shaped movable plate 30, turning block 31, rectangular hollow plate 32, movable connecting plate 33, head supporting plate 4, fixed vertical plate 40, second L-shaped fixed plate 41, headrest 5, side fixed establishment 6, hollow tube 60, piston plate 61, push rod 62, circular rubber plate 63, top fixed establishment 7, circular pipe 70, plastic spring 71, connecting rod 72, arc rubber plate 73, spherical air-blowing 8, check valve 80, release valve 81, three-way pipe 9, air duct 12.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

Referring to fig. 1-4, the present invention provides a technical solution:

a head fixing device for CT examination of a skull comprises a fixed base 1, wherein two symmetrically distributed connecting convex blocks 10 are arranged on the surface of the fixed base 1 and close to two ends of the front side, and a head supporting plate 4 is rotatably connected between the two connecting convex blocks 10, so that the front side part of the head supporting plate 4 can rotate relative to the fixed base 1; the surface of the head support plate 4 is provided with a head rest 5 for supporting the head of the patient.

Two symmetrically distributed fixed vertical plates 40 are arranged at the edges of two sides of the surface of the head supporting plate 4, side fixing mechanisms 6 are arranged at the side surfaces of the two fixed vertical plates 40 and the positions close to the top, and the two sides of the head of the patient are fixed through the two side fixing mechanisms 6, so that the head of the patient cannot shake in the CT examination process, and the smooth proceeding of the skull CT is ensured; the side fixing mechanism 6 comprises a hollow tube 60 which is horizontally arranged, the end part of the hollow tube 60 penetrates through the side of the fixed vertical plate 40, a piston plate 61 is connected in the hollow tube 60 in a sliding manner, a push rod 62 is horizontally arranged in the middle of one side of the piston plate 61, one end, far away from the piston plate 61, of the push rod 62 rotatably penetrates through one end face of the hollow tube 60 and is connected with a circular rubber plate 63, and the piston plate 61 drives the circular rubber plate 63 to move through the push rod 62 so as to be abutted against two sides of the head of a patient; the end of the hollow tube 60 far away from the round rubber plate 63 is connected with the air duct 12.

A first L-shaped fixing plate 11 is vertically arranged on the surface of the fixed base 1 and in the middle of the rear side edge, a plastic screw rod 2 is rotatably connected between the middle of one end of the first L-shaped fixing plate 11, which is far away from the fixed base 1, and the surface of the fixed base 1, the plastic screw rod 2 is adopted to avoid metal objects from influencing CT examination, an adaptation mechanism 3 is movably connected on the outer wall of the plastic screw rod 2, the adaptation mechanism 3 comprises a U-shaped moving plate 30 which is horizontally arranged, the end part of the plastic screw rod 2 is rotatably penetrated through the closed end of the U-shaped moving plate 30, the open end of the U-shaped moving plate 30 is connected with a rectangular hollow plate 32 through a rotating block 31, a movable connecting plate 33 is slidably connected in the rectangular hollow plate 32, the front side of the movable connecting plate 33 is penetrated through the inner wall of the rectangular hollow plate 32 and is connected with the middle of the rear side of the head supporting plate 4, the head supporting plate 4 is lifted through the adaptation mechanism 3, so as to adjust the pitch angle of the head of a patient, the patient's head is positioned at an angle suitable for CT examination.

Be equipped with spherical air-blowing 8 on air duct 12, the gas tube connection that spherical air-blowing 8 was connected with check valve 80, avoid the gas reflux, check valve 80 keeps away from spherical air-blowing 8's one end and has three-way pipe 9 through pipe connection, and be equipped with snuffle valve 81 on the pipe, be convenient for with gaseous discharge, the both ends of three-way pipe 9 are connected with two air ducts 12 respectively, spherical air-blowing 8 is gaseous to two air ducts 12 input through three-way pipe 9, again through two air ducts 12 respectively to two hollow tubes 60 in input air, thereby make two circular rubber slab 63 exert pressure fixedly to the both sides of patient's head.

In this embodiment, the connection between the hollow tube 60 and the fixed vertical plate 40 is adhered by glue, so that the hollow tube 60 and the fixed vertical plate 40 are fixed, thereby avoiding using metal screws and the like, and preventing metal from affecting the CT inspection.

Specifically, the top end of the plastic screw rod 2 penetrates through the first L-shaped fixing plate 11 and is far away from one end of the fixing base 1, and a knob 20 is connected to facilitate a user to rotate the plastic screw rod 2.

Further, the U-shaped moving plate 30 is in threaded connection with the plastic screw rod 2, the rear side of the U-shaped moving plate 30 is attached to the front side of the vertical plate of the first L-shaped fixing plate 11, and the U-shaped moving plate 30 is driven to move stably through the plastic screw rod 2.

Further, the rotating block 31 is rotatably connected between both sides of the inner wall of the rectangular hollow plate 32, the angle of the rectangular hollow plate 32 is adaptively adjusted by the rotating block 31 during the upward or downward movement of the U-shaped moving plate 30, and the relative position of the movable connecting plate 33 is adaptively adjusted within the rectangular hollow plate 32, thereby adjusting the pitch angle of the head support plate 4.

The head fixing device of CT inspection skull of this embodiment is when using, patient's head is rested on headrest 5, then medical personnel hold repeatedly with the hand and hold between the fingers spherical air-blast 8, input air respectively to two hollow tubes 60 through two air ducts 12, thereby promote two piston plates 61 relative movement, make two circular rubber slab 63 exert pressure the location to the both sides of patient's head, thereby prevent that patient's head from taking place to remove at the in-process of CT inspection, then rethread rotates knob 20, make plastics lead screw 2 drive U-shaped movable plate 30 and upwards remove, thereby drive the rear portion of head backup pad 4 and upwards lift up, adjust the every single move angle of patient's head, it can to make patient's head be located the angle that is fit for the CT inspection.

Example 2

Referring to fig. 5, the difference between the present embodiment and embodiment 1 is: the vertical second L-shaped fixing plate 41 that is equipped with in the position that just is located the rear side edge middle part on the surface of head backup pad 4, the bottom of the horizontal plate of second L-shaped fixing plate 41 and the position that is close to the front side middle part are equipped with top fixing mechanism 7, top fixing mechanism 7 includes circular tube 70, the bottom bonding of horizontal plate is fixed on the top of circular tube 70 and the top fixing mechanism 7, be equipped with plastic spring 71 in the circular tube 70, the top of plastic spring 71 bonds with the bottom of the horizontal plate of second L-shaped fixing plate 41, make plastic spring 71's top position fixed, and be located circular tube 70, plastic spring 71's bottom bonds there is connecting rod 72, the top sliding connection of connecting rod 72 is in circular tube 70, the bottom of connecting rod 72 is equipped with arc rubber plate 73, arc rubber plate 73 is located the top of headrest 5. When the connecting rod 72 moves upwards, the top of the connecting rod 72 extrudes the plastic spring 71, and under the reaction force of the plastic spring 71, the bottom end of the connecting rod 72 can generate outward thrust, so that the arc-shaped rubber plate 73 generates extrusion force on the forehead of the patient, the head of the patient is further fixed, and the CT examination is ensured to be smoothly carried out.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A head fixing device for CT examination of a skull is characterized in that: the connecting structure comprises a fixed base (1), two connecting convex blocks (10) which are symmetrically distributed are arranged on the surface of the fixed base (1) and are close to the two ends of the front side, a head supporting plate (4) is rotatably connected between the two connecting convex blocks (10), one end of the head supporting plate (4) is opposite to the two connecting convex blocks (10) and can rotate, a headrest (5) is arranged on the surface of the head supporting plate (4), two fixing vertical plates (40) which are symmetrically distributed are arranged at the edges of the two sides of the surface of the head supporting plate (4), side fixing mechanisms (6) are arranged on the side surfaces of the two fixing vertical plates (40) and close to the top, each side fixing mechanism (6) comprises a hollow pipe (60) which is horizontally arranged, the end part of each hollow pipe (60) penetrates through the side surface of the corresponding fixing vertical plate (40), and a piston plate (61) is slidably connected in each hollow pipe (60), the middle part level of piston plate (61) one side is equipped with push rod (62), the one end that piston plate (61) was kept away from in push rod (62) is rotated and is run through a terminal surface of hollow tube (60) and is connected with circular rubber slab (63), the one end that circular rubber slab (63) were kept away from in hollow tube (60) is connected with air duct (12), the surface of unable adjustment base (1) and the position that is located rear side edge middle part are vertical to be equipped with first L shape fixed plate (11), the one end middle part that unable adjustment base (1) was kept away from in first L shape fixed plate (11) with it is connected with plastics lead screw (2) to rotate between the surface of unable adjustment base (1), the outer wall swing joint of plastics lead screw (2) has adaptation mechanism (3), be equipped with spherical air-blowing (8) on air duct (12) for air duct (12) inside charges the air.

2. The head fixation device for CT examination of the skull of claim 1, wherein: the joint of the hollow pipe (60) and the fixed vertical plate (40) is bonded through viscose glue.

3. The head fixation device for CT examination of the skull of claim 1, wherein: the adaptive mechanism (3) comprises a horizontally arranged U-shaped moving plate (30), the end part of the plastic screw rod (2) is rotatably penetrated through the closed end of the U-shaped moving plate (30), the open end of the U-shaped moving plate (30) is connected with a rectangular hollow plate (32) through a rotating block (31), a movable connecting plate (33) is connected in the rectangular hollow plate (32) in a sliding mode, and the front side of the movable connecting plate (33) penetrates through the inner wall of the rectangular hollow plate (32) and is connected with the middle of the rear side of the head supporting plate (4); the inflation tube of spherical air-blowing (8) is connected with check valve (80), the one end that spherical air-blowing (8) was kept away from in check valve (80) has three-way pipe (9) through the pipe connection, and is equipped with bleeder valve (81) on the pipe, the both ends of three-way pipe (9) are respectively with two air duct (12) are connected.

4. The head fixation device for CT examination of the skull of claim 3, wherein: one end, far away from the fixed base (1), of the top end of the plastic screw rod (2) penetrates through the first L-shaped fixed plate (11) and is connected with a knob (20).

5. The head fixation device for CT examination of the skull of claim 3, wherein: the U-shaped moving plate (30) is in threaded connection with the plastic screw rod (2), and the rear side of the U-shaped moving plate (30) is attached to the front side of the vertical plate of the first L-shaped fixing plate (11).

6. The head fixation device for CT examination of the skull of claim 3, wherein: the rotating block (31) is rotatably connected between two sides of the inner wall of the rectangular hollow plate (32).

7. The head fixation device for CT examination of the skull of claim 1, wherein: the inflation tube of spherical air-blowing (8) is connected with check valve (80), the one end that spherical air-blowing (8) was kept away from in check valve (80) has three-way pipe (9) through the pipe connection, and is equipped with bleeder valve (81) on the pipe, the both ends of three-way pipe (9) are respectively with two air duct (12) are connected.

8. The head fixation device for CT examination of the skull of claim 1, wherein: the surface of head backup pad (4) and the position that is located rear side edge middle part are vertical to be equipped with second L shape fixed plate (41), the bottom of the horizontal plate is gone up in second L shape fixed plate (41) and the position that is close to the front side middle part is equipped with top fixed establishment (7), top fixed establishment (7) include circular pipe (70), be equipped with plastics spring (71) in circular pipe (70), the top of plastics spring (71) with the bottom bonding of horizontal plate is gone up in second L shape fixed plate (41), the bottom bonding of plastics spring (71) has connecting rod (72), the top sliding connection of connecting rod (72) is in circular pipe (70), the bottom of connecting rod (72) is equipped with arc rubber slab (73), arc rubber slab (73) are located the top of headrest (5).