CN216536025U

CN216536025U - Head adjusting device for cerebral angiography

Info

Publication number: CN216536025U
Application number: CN202220082865.7U
Authority: CN
Inventors: 王力
Original assignee: Zigong Third Peoples Hospital
Current assignee: Zigong Third Peoples Hospital
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-05-17
Anticipated expiration: 2032-01-13

Abstract

The utility model belongs to the technical field of medical equipment, and particularly relates to a head adjusting device for cerebral angiography. The utility model can adjust the space between the box bodies according to the lengths of the heads of different patients, is convenient for clamping and fixing the two sides of the heads of different patients twice through the matching of the two groups of transverse shafts, the upper chain wheel, the lower chain wheel, the transmission chain, the transverse screw rod, the clamping plate and the arc-shaped placing plate, can adjust according to the sizes of the heads of different patients, has wider application range, and simultaneously fixes the heads of different patients twice, so that the fixation is firmer and the fixation effect is better.

Description

Head adjusting device for cerebral angiography

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a head adjusting device for cerebral angiography.

Background

Cardiovascular and cerebrovascular accidents are a serious threat to human beings, and even if the most advanced and perfect treatment means are applied at present, more than 50 percent of survivors of the cerebrovascular accidents still can not take care of themselves completely. Cardiovascular and cerebrovascular diseases become the first killer with the highest cause of death of human beings, and are also silent and violent in health of people. When a patient performs cardio-cerebrovascular angiography, the patient is usually required to lie on an imaging bed, and then the head and the body are fixed, so that the image blurring caused by the shaking of the head or the body is prevented.

However, when the head of a patient is fixed by the conventional head fixing device, the head fixing device is inconvenient to adjust according to the sizes of the heads of the different patients, so that the use range is limited, and the use effect is poor, so that a head adjusting device for cerebral angiography is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving the above-mentioned problems, and an object of the present invention is to provide a head adjustment device for cerebral angiography.

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

a head adjusting device for cerebral angiography comprises a fixed table, wherein two T-shaped grooves are formed in the top of the fixed table, the inner walls of the front side and the rear side of each T-shaped groove are rotatably provided with a double-headed screw rod, the rear ends of the two double-headed screw rods are fixedly provided with chain wheels, the two chain wheels are rotatably provided with a chain, the outer side of each double-headed screw rod is sleeved with two nuts, the outer sides of the nuts are fixedly sleeved with T-shaped sliding plates, the four T-shaped sliding plates are respectively sleeved in the corresponding T-shaped grooves in a sliding manner, the tops of the two T-shaped sliding plates on the rear side and the tops of the two T-shaped sliding plates on the front side are respectively fixedly provided with a same box body, the top of the box body is fixedly provided with an arc-shaped placing plate and two hollow plates, one side of the two hollow plates, which are close to each other, is rotatably provided with a transverse screw rod, and the outer sides of the two transverse screw rods are provided with external threads with opposite rotation, rotate on the both sides inner wall of box and be provided with same horizontal axle, the fixed cover in the outside of horizontal axle is equipped with down the sprocket, and the one end of two horizontal lead screws is fixed and is provided with the sprocket, lies in and installs same driving chain with the transmission on lower sprocket and the last sprocket of one side, and the equal thread bush in the outside of two horizontal lead screws is equipped with splint.

Preferably, one side of the clamping plate is fixedly provided with a cushion pad, and the top of the arc-shaped placing plate is fixedly provided with a spongy cushion.

Preferably, one side of the hollow plate is fixedly provided with two round rods, and the four clamping plates are respectively sleeved on the outer sides of the two corresponding round rods in a sliding manner.

Preferably, two limiting openings are formed in the top of the box body, and the four transmission chains are movably sleeved in the corresponding limiting openings respectively.

Preferably, one end of each of the two transverse shafts is fixedly provided with an upper rotating wheel, and the front end of one of the two double-head screw rods is fixedly provided with a lower rotating wheel.

Preferably, four supporting plates are fixedly arranged at the bottom of the fixing table, and anti-skid pads are fixedly arranged at the bottoms of the supporting plates.

According to the head adjusting device for the cerebral angiography, the T-shaped groove, the T-shaped sliding plate, the nut, the double-head screw rod, the chain wheel and the chain are matched, so that the distance between the two box bodies can be adjusted conveniently according to the head lengths of different patients, one box body is located at the forehead position of the patient, and the other box body is located at the chin position of the patient;

according to the head adjusting device for the cerebral angiography, two groups of transverse shafts, the upper chain wheel, the lower chain wheel, the transmission chain, the hollow plate, the transverse screw rod, the clamping plate and the arc-shaped placing plate are matched, so that two sides of the forehead position and the chin position of different patients can be clamped and fixed twice, the head adjusting device can be adjusted according to the head sizes of different patients, the application range is wider, meanwhile, the heads of different patients are fixed twice, the fixing is firmer, and the fixing effect is better;

the adjustable head fixing device is reasonable in structural design, the distance between the box bodies can be adjusted according to the lengths of the heads of different patients, two sides of the heads of the different patients can be clamped and fixed twice through the matching of the two groups of transverse shafts, the upper chain wheel, the lower chain wheel, the transmission chain, the transverse screw rod, the clamping plate and the arc-shaped placing plate, the head fixing device can be adjusted according to the sizes of the heads of the different patients, the application range is wider, meanwhile, the heads of the different patients are fixed twice, the fixing is firmer, and the fixing effect is better.

Drawings

Fig. 1 is a schematic structural diagram of a head adjusting device for cerebral angiography according to the present invention;

FIG. 2 is a cross-sectional view of a head adjustment device for angiography of the brain according to the present invention;

FIG. 3 is a schematic structural diagram of part A of a head adjusting device for cerebral angiography according to the present invention;

fig. 4 is a rear view of a fixing table of a head adjusting device for cerebral angiography according to the present invention.

In the figure: 1. a fixed table; 2. a support plate; 3. a non-slip mat; 4. a T-shaped groove; 5. a double-end screw rod; 6. a T-shaped sliding plate; 7. a lower rotating wheel; 8. a box body; 9. a transverse axis; 10. rotating the rotating wheel upwards; 11. a hollow slab; 12. a round bar; 13. a splint; 14. a transverse screw rod; 15. a cushion pad; 16. an arc-shaped placing plate; 17. a sponge cushion; 18. a sprocket; 19. a chain; 20. a nut; 21. a lower sprocket; 22. a limiting port; 23. an upper sprocket; 24. a drive chain.

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.

Referring to fig. 1-4, a head adjusting device for angiography of cerebral blood vessels comprises a fixed table 1, two T-shaped grooves 4 are formed in the top of the fixed table 1, the inner walls of the front side and the rear side of each T-shaped groove 4 are rotatably provided with the same double-headed lead screw 5, chain wheels 18 are fixedly mounted at the rear ends of the two double-headed lead screws 5, the two chain wheels 18 are provided with the same chain 19 in a transmission manner, two nuts 20 are sleeved on the outer thread of each double-headed lead screw 5, T-shaped sliding plates 6 are fixedly arranged on the outer side of each nut 20, four T-shaped sliding plates 6 are respectively sleeved in the corresponding T-shaped grooves 4 in a sliding manner, the tops of the two T-shaped sliding plates 6 on the rear side and the tops of the two T-shaped sliding plates 6 on the front side are fixedly provided with the same box 8, one double-headed lead screw 5 is rotated, the two double-headed lead screws 5 are synchronously rotated under the transmission of the chain 19, and the limit of the T-shaped grooves 4, the double-headed lead screws 5 drive the four nuts 20, The four T-shaped sliding plates 6 and the two boxes 8 are close to or far away from each other, so that the distance between the two boxes 8 can be adjusted, one box 8 is positioned at the forehead position of different patients, the other box 8 is positioned at the chin position of different patients, an arc-shaped placing plate 16 and two hollow plates 11 are fixedly arranged at the top of the box 8, transverse screws 14 are rotatably arranged at the sides of the two hollow plates 11 close to each other, external threads with opposite rotation are arranged at the outer sides of the two transverse screws 14, the same transverse shaft 9 is rotatably arranged on the inner walls at the two sides of the box 8, a lower chain wheel 21 is fixedly sleeved at the outer side of the transverse shaft 9, an upper chain wheel 23 is fixedly arranged at one end of each of the two transverse screws 14, the same transmission chain 24 is movably arranged on the lower chain wheel 21 and the upper chain wheel 23 at the same side, and thread clamping plates 13 are sleeved at the outer sides of the two transverse screws 14, rotatory transverse axis 9, through the transmission between lower sprocket 21, last sprocket 23 and driving chain 24, transverse axis 9 has driven the synchronous revolution of two horizontal lead screws 14, and two horizontal lead screws 14 have driven two splint 13 and are close to each other, and then the interval between two adjustable splint 13, it is fixed to be convenient for carry out the centre gripping to the both sides of different patient's head forehead positions, and two splint 13 of another group can carry out the centre gripping to the both sides of different patient's head chin positions fixedly.

According to the utility model, the buffer cushion 15 is fixedly arranged on one side of the splint 13, the spongy cushion 17 is fixedly arranged on the top of the arc-shaped placing plate 16, and the buffer cushion 15 and the spongy cushion 17 are matched to avoid damaging the skin of a human body, so that people feel more comfortable.

In the utility model, two round rods 12 are fixedly arranged on one side of a hollow plate 11, and four clamping plates 13 are respectively sleeved on the outer sides of the two corresponding round rods 12 in a sliding manner, so that the clamping plates 13 are conveniently guided and limited and do not rotate together with a transverse screw rod 14.

In the utility model, the top of the box body 8 is provided with two limiting openings 22, and the four transmission chains 24 are respectively movably sleeved in the corresponding limiting openings 22 and do not hinder the operation of the transmission chains 24.

In the utility model, one end of each of the two transverse shafts 9 is fixedly provided with an upper rotating wheel 10, and the front end of one double-head screw rod 5 of the two double-head screw rods 5 is fixedly provided with a lower rotating wheel 7, so that the transverse shafts 9 and the double-head screw rods 5 can be conveniently rotated.

In the utility model, four supporting plates 2 are fixedly arranged at the bottom of the fixing table 1, and the anti-slip pad 3 is fixedly arranged at the bottom of each supporting plate 2, so that the fixing table 1 can be stably supported and fixed.

In the utility model, when in use, according to the length of the head of a patient, one double-head screw rod 5 is rotated through the lower rotating wheel 7, two double-head screw rods 5 synchronously rotate under the transmission of the chain 19, under the limit of the T-shaped groove 4, the double-head screw rod 5 drives the four nuts 20, the four T-shaped sliding plates 6 and the two boxes 8 to mutually approach or separate, further the distance between the two boxes 8 can be adjusted, so that one box 8 is positioned at the forehead position of the patient, the other box 8 is positioned at the chin position of the patient, then the head of the patient lies on the two arc-shaped placing plates 16, the patient feels more comfortable through the sponge cushion 17, then the two upper rotating wheels 10 are rotated, the upper rotating wheels 10 drive the transverse shaft 9 to rotate, and through the transmission among the lower chain wheel 21, the upper chain wheel 23 and the transmission chain 24, the transverse shaft 9 drives the two transverse screw rods 14 to synchronously rotate, under the direction of round bar 12 is spacing, two horizontal lead screw 14 have driven two splint 13 and have been close to each other, and then the interval between two adjustable splint 13, it is fixed to be convenient for carry out the centre gripping to the both sides of different patient's head forehead position, through blotter 15, can avoid the centre gripping too tightly and harm human skin, and two splint 13 of another group can carry out the centre gripping to the both sides of different patient's head chin position and fix, and then can adjust according to the size of different patient's heads, make application range wider, excellent in use effect.

Claims

1. A head adjusting device for cerebral angiography comprises a fixed table (1) and is characterized in that two T-shaped grooves (4) are formed in the top of the fixed table (1), the inner walls of the front side and the rear side of each T-shaped groove (4) are rotatably provided with the same double-headed lead screw (5), chain wheels (18) are fixedly mounted at the rear ends of the two double-headed lead screws (5), the two chain wheels (18) are respectively provided with a chain (19) in a transmission manner, two nuts (20) are sleeved on the outer side of each double-headed lead screw (5) in a threaded manner, T-shaped sliding plates (6) are fixedly sleeved on the outer sides of the nuts (20), the four T-shaped sliding plates (6) are respectively sleeved in the corresponding T-shaped grooves (4) in a sliding manner, the tops of the two T-shaped sliding plates (6) at the rear side and the two T-shaped sliding plates (6) at the front side are respectively fixedly provided with the same box body (8), and an arc-shaped placing plate (16) and two hollow plates (11) are fixedly arranged at the top of the box body (8), one side that two hollow core slabs (11) are close to each other all rotates and is provided with horizontal lead screw (14), and the outside of two horizontal lead screws (14) is provided with rotatory opposite external screw thread, it is provided with same horizontal axle (9) to rotate on the both sides inner wall of box (8), the fixed cover in the outside of horizontal axle (9) is equipped with down sprocket (21), and the one end of two horizontal lead screws (14) is fixed and is provided with sprocket (23), and the transmission is installed on lower sprocket (21) and cochain wheel (23) that lie in same one side and is same driving chain (24), and the equal thread bush in the outside of two horizontal lead screws (14) is equipped with splint (13).

2. The head adjusting device for angiography of brain according to claim 1, wherein a buffer pad (15) is fixedly arranged on one side of the splint (13), and a sponge pad (17) is fixedly arranged on the top of the arc-shaped placing plate (16).

3. The head adjusting device for angiography of cerebrovascular disease according to claim 1, wherein two round rods (12) are fixedly arranged on one side of the hollow plate (11), and four clamping plates (13) are respectively slidably sleeved on the outer sides of the two corresponding round rods (12).

4. The head adjusting device for the cerebral angiography as recited in claim 1, wherein the top of the box body (8) is provided with two limiting openings (22), and four transmission chains (24) are movably sleeved in the corresponding limiting openings (22) respectively.

5. The head adjusting device for angiography of cerebral vessels according to claim 1, wherein one end of each of the two transverse shafts (9) is fixedly provided with an upper rotating wheel (10), and the front end of one double-headed screw rod (5) of the two double-headed screw rods (5) is fixedly provided with a lower rotating wheel (7).

6. The head adjusting device for angiography of cerebrovascular disease according to claim 1, wherein four supporting plates (2) are fixedly arranged at the bottom of the fixing table (1), and a non-slip mat (3) is fixedly arranged at the bottom of the supporting plates (2).