CN218528728U

CN218528728U - Head fixing device

Info

Publication number: CN218528728U
Application number: CN202222461932.9U
Authority: CN
Inventors: 刘海博
Original assignee: Jilin province people's hospital
Current assignee: Jilin province people's hospital
Priority date: 2022-09-17
Filing date: 2022-09-17
Publication date: 2023-02-28
Anticipated expiration: 2032-09-17

Abstract

The utility model discloses a head fixing device belongs to medical equipment technical field, wherein, comprises a box bod, first spout has been seted up at the box body top, first spout side sliding connection has first slider, first slider side fixedly connected with second slider, second slider side sliding connection has the spout piece, spout piece side fixedly connected with movable block, the second spout has been seted up to the movable block side, first connecting plate of second slider side fixedly connected with and second connecting plate. Its beneficial effect is, through two-way threaded rod, rotate and change the handle to it is rotatory to drive two-way threaded rod, drives the fixed block and removes, under the effect that two-way threaded rod both ends screw thread is opposite, thereby makes two first sliders remove with opposite direction, thereby is convenient for people according to the size of the accurate regulation centre gripping head space of patient's head size.

Description

Head fixing device

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, it relates to head fixing device.

Background

When the head nuclear magnetic resonance examination is carried out, the head posture must be kept unchanged for a period of time, if the head posture changes, an image scanned by a nuclear magnetic resonance instrument has artifacts, the detection is inaccurate, the judgment of a doctor is wrong, the treatment of a patient is not facilitated, sometimes, the patient may raise his head to hit equipment due to fear, and the patient and the equipment are damaged.

An adaptive nmr head fixture as disclosed in chinese patent literature, publication No.: CN208973851U, published: 20190614, although it solves the problem of complicated operation of manual head fixation in the conventional device, it does not solve the problem of adjusting the clamping space according to the size of the head of different patients, making the patients more comfortable to use, and at the same time, the pillow of the device is not easy to be disassembled, and is easy to cause the risk of cross infection to the patients, therefore, the head fixation device is provided in particular for the above problems.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

To the deficiency that prior art exists, the utility model aims to provide a head fixing device, it has the characteristics of being convenient for adjust the centre gripping space and being convenient for change the pillow.

(2) Technical scheme

In order to achieve the above object, the utility model provides a head fixing device, comprises a box bod, first spout has been seted up at the box body top, first spout side sliding connection has first slider, first slider side fixedly connected with second slider, second slider side sliding connection has the spout piece, spout piece side fixedly connected with movable block, the second spout has been seted up to the movable block side, first connecting plate of second slider side fixedly connected with and second connecting plate, first connecting plate side sliding connection is at second spout inner wall, first connecting plate bottom fixedly connected with gag lever post, the gag lever post bottom passes second spout bottom to fixed connection is at second connecting plate top, the gag lever post surface has cup jointed the second spring, second spring both ends fixed connection is respectively at movable block bottom and second connecting plate top, movable block bottom has the connecting rod through round pin axle swing joint, the movable groove has been seted up to first slider side, the movable groove side has L shape connecting plate through round pin axle swing joint, the connecting rod other end passes through swing joint at L shape connecting plate side, first slider side fixed connection has the fixed block, threaded rod is worn to be equipped with the pivot through the two-way threaded rod and the box body side is worn to be equipped with the two-way threaded rod and the box body rotates the other end and the two-way threaded rod is set up the box body side two-way pivot inner wall.

When using this technical scheme's head fixing device, through rotatory commentaries on classics handle, it is rotatory to drive two-way threaded rod, it removes to drive the fixed block, under the effect that two-way threaded rod both ends screw thread is opposite, thereby make two first movable blocks with opposite antiport, thereby the size in centre gripping space has been adjusted, then people lie on the pillow, thereby the pressure moves the movable block and moves down, thereby promote the connecting rod and remove, support L shape connecting plate change angle, thereby it changes angle to drive first arc, thereby it is fixed to the clamp of patient's pincerlike, it is less to patient's head clamping force, thereby it is more comfortable to make the patient use.

Furthermore, a jack is formed in the top of the movable block, a movable hole is formed in the inner wall of the jack, a third spring is fixedly connected to the inner wall of the movable hole, a limiting ball is fixedly connected to the other end of the third spring, a clamping column is clamped on the inner wall of the jack, a limiting hole is formed in the side face of the clamping column, and the side face of the limiting ball is clamped in the limiting hole.

Furthermore, the top of the L-shaped connecting plate is fixedly connected with a first arc-shaped plate, the side face of the first arc-shaped plate is fixedly connected with a first spring, and the other end of the first spring is fixedly connected with a second arc-shaped plate.

Furthermore, a pillow is fixedly connected to the top of the clamping column, and the pillow is a leather pillow.

Furthermore, the first sliding blocks are two, the thread directions of the two ends of the bidirectional threaded rod are opposite, and the two fixing blocks arranged on the side face of the first sliding block are in threaded connection with the two ends of the bidirectional threaded rod respectively.

Further, the equal fixedly connected with fixed block in first slider both ends, and another the connecting axle is worn to be equipped with to the fixed block side, the equal fixed connection in box body inner wall in connecting axle both ends.

(3) Advantageous effects

To sum up, the utility model discloses following beneficial effect has:

1. according to the head fixing device, the rotating handle is rotated through the bidirectional threaded rod, so that the bidirectional threaded rod is driven to rotate, the fixing block is driven to move, and under the action of opposite threads at two ends of the bidirectional threaded rod, the two first sliding blocks move in opposite directions, so that people can accurately adjust the size of a head clamping space according to the size of the head of a patient;

2. this head fixing device, through spacing ball and third spring, will block the post and insert the jack, under the effect of third spring, in the activity hole is withdrawed to spacing ball, when spacing hole removes spacing ball side, under the effect of third spring resilience, promotes spacing ball joint in spacing downthehole, can be fixed the pillow to the people of being convenient for change the pillow, prevent cross infection between the patient.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a front view of the present invention;

fig. 2 is a schematic structural view of a bidirectional threaded rod of the present invention;

FIG. 3 is a schematic structural view of the L-shaped connecting plate of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3.

The symbols in the drawings are:

1. a case body; 2. a pillow; 3. a first arc-shaped plate; 4. a second arc-shaped plate; 5. a first slider; 6. a first spring; 7. a first chute; 8. a second slider; 9. a bidirectional threaded rod; 10. a movable groove; 11. a movable block; 12. a connecting rod; 13. a second chute; 14. a limiting rod; 15. a second spring; 16. a first connecting plate; 17. a second connecting plate; 18. a chute block; 19. an L-shaped connecting plate; 20. a movable hole; 21. a limiting ball; 22. a limiting hole; 23. a jack; 24. clamping the column; 25. a fixed block; 26. and a third spring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the following description is made for the technical solution of the present invention in the embodiments to explain the present invention clearly and completely, obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments.

Example (b):

the present invention is described in further detail below with reference to fig. 1-4.

Referring to fig. 1-4, the present invention provides a technical solution: the head fixing device comprises a box body 1, wherein a first sliding groove 7 is formed in the top of the box body 1, a first sliding block 5 is connected to the side surface of the first sliding groove 7 in a sliding mode, a second sliding block 8 is fixedly connected to the side surface of the first sliding block 5, a sliding groove block 18 is connected to the side surface of the second sliding block 8 in a sliding mode, a movable block 11 is fixedly connected to the side surface of the sliding groove block 18, a second sliding groove 13 is formed in the side surface of the movable block 11, a first connecting plate 16 and a second connecting plate 17 are fixedly connected to the side surface of the second sliding block 8, the side surface of the first connecting plate 16 is connected to the inner wall of the second sliding groove 13 in a sliding mode, a limiting rod 14 is fixedly connected to the bottom of the first connecting plate 16, the bottom of the limiting rod 14 penetrates through the bottom of the second sliding groove 13 and is fixedly connected to the top of the second connecting plate 17, and a second spring 15 is sleeved on the surface of the limiting rod 14, second spring 15 both ends difference fixed connection is in 11 bottoms of movable block and 17 tops of second connecting plate, there is connecting rod 12 movable block 11 bottoms through round pin axle swing joint, movable groove 10 has been seted up to 5 sides of first slider, movable groove 10 side has L shape connecting plate 19 through round pin axle swing joint, the connecting rod 12 other end is through round pin axle swing joint in L shape connecting plate 19 side, 5 side fixedly connected with fixed block 25 of first slider, two-way threaded rod 9 is worn to be equipped with by fixed block 25 side screw thread, 9 one end of two-way threaded rod is rotated through the pivot and is worn to establish in the bearing of 1 inner wall of box body inlayed, the 9 other ends of two-way threaded rod pass the setting of 1 inner wall of box body in 1 side, and fixedly connected with changes the handle.

Through adopting above-mentioned technical scheme, through two-way threaded rod 9, rotate and change the handle to it is rotatory to drive two-way threaded rod 9, drives fixed block 25 and removes, under 9 opposite effects of both ends screw thread of two-way threaded rod, thereby makes two first sliders 5 remove with opposite direction, thereby is convenient for people according to the accurate size of regulation centre gripping head space of patient's head size.

Specifically, jack 23 has been seted up at movable block 11 top, and activity hole 20 has been seted up to jack 23 inner wall, and 20 inner walls fixedly connected with third spring 26 in activity hole, the spacing ball 21 of third spring 26 other end fixedly connected with, jack 23 inner wall joint have a card post 24, and spacing hole 22 has been seted up to card post 24 side, and spacing ball 21 side joint is in spacing hole 22.

Through adopting above-mentioned technical scheme, through spacing ball 21 and third spring 26, will block post 24 and insert jack 23, under the effect of third spring 26, spacing ball 21 is retrieved in activity hole 20, when spacing hole 22 removed spacing ball 21 side, under the effect that third spring 26 kick-backs, promote spacing ball 21 joint in spacing hole 22, can be fixed pillow 2, thereby be convenient for people to change pillow 2, prevent cross infection between the patient.

Specifically, the top of the L-shaped connecting plate 19 is fixedly connected with a first arc-shaped plate 3, the side of the first arc-shaped plate 3 is fixedly connected with a first spring 6, and the other end of the first spring 6 is fixedly connected with a second arc-shaped plate 4.

Through adopting above-mentioned technical scheme, through first spring 6 to cushion patient's head centre gripping, prevent that the device from pressing from both sides tightly overweight, make the patient receive secondary damage.

Specifically, card post 24 top fixedly connected with pillow 2, pillow 2 are leather pillow 2, and first slider 5 has two, two-way threaded rod 9 both ends screw thread opposite direction, and the fixed block 25 that two first sliders 5 side set up is threaded connection respectively at the both ends of two-way threaded rod 9, the equal fixedly connected with fixed block 25 in first slider 5 both ends, and another fixed block 25 side is worn to be equipped with the connecting axle, the equal fixed connection in box body 1 inner wall in connecting axle both ends.

By adopting the technical scheme, the leather pillow 2 is adopted, so that the use of a patient is more comfortable, and a doctor can conveniently disinfect the pillow 2 for continuous use.

The utility model discloses a theory of operation does:

when the pillow is used, a user firstly places the device at a proper position, when the size of a clamping space is required to be adjusted according to the head of a patient by the doctor, the doctor pulls the pillow 2, the limiting ball 21 is separated from the limiting hole 22 under the action of the inclined plane of the limiting ball 21, so that the pillow 2 is taken down, then the rotating handle is rotated, so that the bidirectional threaded rod 9 is driven to rotate, the fixing block 25 is driven to move, under the action of opposite threads at two ends of the bidirectional threaded rod 9, the two first sliding blocks 5 move in opposite directions, the first sliding blocks 5 are moved to proper positions, then the pillow 2 with proper size is clamped in the inserting holes 23, the clamping columns 24 are inserted into the inserting holes 23, under the action of the third spring 26, the limiting ball 21 is retracted into the movable hole 20, when the limiting hole 22 moves to the side face of the limiting ball 21, the limiting ball 21 is pushed to be clamped in the limiting hole 22 under the action of resilience of the third spring 26, so that the pillow 2 is fixed;

when needs are fixed to patient's head, patient's head is rested head on pillow 2, thereby under the effect of gravity, the pressure moves movable block 11 and moves down, thereby promote connecting rod 12 and remove, support and move L shape connecting plate 19 change angle, drive first arc 3 change angle, thereby carry out the centre gripping to patient's head, after the nuclear magnetic resonance inspection finishes, patient raises the head, movable block 11 loses pressure, simultaneously under the effect of second spring 15 resilience, thereby promote movable block 11 and remove, pulling connecting rod 12, thereby drive L shape connecting plate 19 change angle, make first arc 3 expand, thereby be convenient for people's head to break away from pillow 2.

The specific embodiments are only for explaining the present invention, and it is not a limitation to the present invention, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present invention.

Claims

1. Head fixing device, including box body (1), its characterized in that: a first sliding groove (7) is formed in the top of the box body (1), a first sliding block (5) is connected to the side face of the first sliding groove (7) in a sliding mode, a second sliding block (8) is fixedly connected to the side face of the first sliding block (5), a sliding groove block (18) is connected to the side face of the second sliding block (8) in a sliding mode, a movable block (11) is fixedly connected to the side face of the sliding groove block (18), a second sliding groove (13) is formed in the side face of the movable block (11), a first connecting plate (16) and a second connecting plate (17) are fixedly connected to the side face of the second sliding block (8), a first spring (15) is sleeved on the surface of the limiting rod (14), two ends of the second spring (15) are fixedly connected to the bottom of the movable block (11) and the bottom of the second connecting plate (17) respectively, the movable block (11) is connected to the top of the movable block through a pin shaft (10), and a movable block (10) is connected to the side face of the movable block (11) through a pin shaft (10), connecting rod (12) other end is through round pin axle swing joint in L shape connecting plate (19) side, first slider (5) side fixedly connected with fixed block (25), two-way threaded rod (9) are worn to be equipped with by fixed block (25) side screw thread, two-way threaded rod (9) one end is rotated through the pivot and is worn to establish in box body (1) inner wall mosaic bearing, two-way threaded rod (9) other end passes box body (1) inner wall setting in box body (1) side to fixedly connected with changes the handle.

2. The head fixation device of claim 1 wherein: jack (23) have been seted up at movable block (11) top, activity hole (20) have been seted up to jack (23) inner wall, activity hole (20) inner wall fixedly connected with third spring (26), third spring (26) other end fixedly connected with spacing ball (21), jack (23) inner wall joint has card post (24), spacing hole (22) have been seted up to card post (24) side, spacing ball (21) side joint is in spacing hole (22).

3. The head fixation device of claim 1 wherein: the top of the L-shaped connecting plate (19) is fixedly connected with a first arc-shaped plate (3), the side face of the first arc-shaped plate (3) is fixedly connected with a first spring (6), and the other end of the first spring (6) is fixedly connected with a second arc-shaped plate (4).

4. The head fixation device of claim 2 wherein: the top of the clamping column (24) is fixedly connected with a pillow (2), and the pillow (2) is a leather pillow (2).

5. The head fixation device of claim 1 wherein: the two first sliding blocks (5) are arranged, the thread directions of the two ends of the bidirectional threaded rod (9) are opposite, and the two fixing blocks (25) arranged on the side face of the first sliding block (5) are in threaded connection with the two ends of the bidirectional threaded rod (9) respectively.

6. The head fixation device of claim 1 wherein: first slider (5) both ends equal fixedly connected with fixed block (25), and another the connecting axle is worn to be equipped with to fixed block (25) side, the equal fixed connection in box body (1) inner wall in connecting axle both ends.