CN220632093U

CN220632093U - CT image scanning device

Info

Publication number: CN220632093U
Application number: CN202320866382.0U
Authority: CN
Inventors: 杨磊
Original assignee: Third Staff Hospital Of Baotou Iron And Steel Group
Current assignee: Third Staff Hospital Of Baotou Iron And Steel Group
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2024-03-22
Anticipated expiration: 2033-04-18

Abstract

The utility model discloses a CT image scanning device, which belongs to the technical field of CT and comprises a CT scanning bed, wherein mounting holes are formed in four corner positions of the CT scanning bed, side guard plates are fixedly arranged on the left side and the right side of the upper surface of the CT scanning bed, two mounting plates are fixedly arranged on the front side and the rear side of the lower surface of the CT scanning bed, and a winding roller is rotatably arranged between the two mounting plates on the same side; through setting up radiation protection fender cloth cooperation wind-up roll and locating plate and locating lever and use, when carrying out CT scanning to the patient, pull out radiation protection fender cloth can be to need not the scanning position and carry out isolated protection, avoid the influence that the radiation produced to other health positions, and utilize soft magnetic stripe one and soft magnetic stripe two to cooperate the use, utilize spring elasticity to order about the locating lever to insert the constant head tank, can carry out the position locking to radiation protection fender cloth, avoid unexpected not hard up, play fine protection result of use, and steam generator is simple in structure, convenient operation.

Description

CT image scanning device

Technical Field

The utility model belongs to the technical field of CT, and particularly relates to a CT image scanning device.

Background

CT is electronic computer tomography, it uses accurate collimated X-ray beam, gamma ray, supersonic wave, etc., and makes one-by-one section scan around a certain part of human body together with extremely high-sensitivity detector, it has characteristics of fast scanning time, clear image, etc., can be used for the inspection of various diseases; according to the different rays adopted, the method can be divided into X-ray CT, gamma-ray CT and the like, and a patient needs to lie on a scanning bed and scan a part to be detected by using a scanner during CT scanning.

The existing CT scanning bed is characterized in that a patient directly lies on the scanning bed when scanning is carried out, a shielding protection mechanism for a scanning part is not needed on the scanning bed, radiation generated in the CT scanning process can influence the scanning part, the head is stabilized and does not move only by means of consciousness of the patient in the head scanning process, and the head shaking and shifting phenomenon can occur when the CT scanning bed is used for the old or children, so that the scanned image is blurred.

Disclosure of Invention

The utility model aims to provide a CT image scanning device, which aims to solve the problems that the prior CT scanning bed provided in the prior art has no shielding protection mechanism for the part which is not required to be scanned when a patient directly lies on the scanning bed during scanning, radiation generated in the CT scanning process can influence the part which is not required to be scanned, and the head is stabilized and not moved only by the consciousness of the patient during the head scanning process, but also the head shaking and shifting phenomenon can occur during the use aiming at the old people or children, and the scanned image is blurred.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a CT image's scanning device, includes the CT scanning bed, the mounting hole has all been seted up to four corner positions department of CT scanning bed, the equal fixed mounting in left and right sides of CT scanning bed upper surface has the side shield, the equal fixed mounting in front and back both sides of CT scanning bed lower surface has two mounting panels, and two of homonymy rotate between the mounting panel and install the wind-up roll, the roller one end of wind-up roll is fixed with the knob, the winding has the radiation protection fender cloth on the wind-up roll, the upper surface front side position department fixed mounting of CT scanning bed has the head bracket, the upper surface of head bracket has the arc head to place the hole and is provided with two head limiting plates of arranging relatively in the arc head place the hole, two the opposite faces of head limiting plate all have the arc district, the inside of head bracket has been seted up cavity and is provided with the adjustment mechanism that is used for adjusting the distance between two head limiting plates in the cavity.

By adopting the scheme, through setting up the radiation protection fender cloth cooperation wind-up roll and locating plate and locating lever and using, when carrying out CT scanning to the patient, pull out the radiation protection fender cloth and can carry out isolated protection to need not the scanning position, avoid the influence that the radiation produced to other health positions, and utilize soft magnetic stripe one and soft magnetic stripe two to cooperate the use, utilize spring elasticity to order about the locating lever to insert the constant head tank, can carry out the position locking to the radiation protection fender cloth, avoid unexpected not hard up, fine protection result of use has been played, and a structure is simple, and convenient operation, through setting up adjustment mechanism cooperation head limiting plate use, utilize adjustment mechanism can order about two head limiting plates synchronous relative motion, realize effectively stabilizing the patient's head, and then appear rocking the skew phenomenon when avoiding head CT scanning, effectively guarantee scanning accuracy, perfect functional diversity.

In the above scheme, it should be noted that the motor is electrically connected with an external power supply.

As a preferred implementation mode, the left side surface and the right side surface of the radiation protection shielding cloth are fixedly provided with a soft magnetic strip II, the upper surface of the side shielding plate is fixedly provided with a soft magnetic strip I, and the soft magnetic strip I and the soft magnetic strip II at the same side position are matched for use.

By adopting the scheme, the first soft magnetic stripe and the second soft magnetic stripe are matched for use, so that the effective position of the radiation protection cloth after being opened and pulled out can be limited, and the phenomenon of gaps between the radiation protection cloth and the side guard plates is avoided.

As a preferred implementation mode, the end part of the second flexible magnetic strip is fixedly provided with a positioning plate, the positioning plate is slidably provided with a positioning rod, the end part of the positioning rod is fixedly provided with a limiting disc, the outer part of the positioning rod is sleeved with springs, two ends of the springs are respectively connected with the positioning plate and the limiting disc, and a plurality of positioning grooves for inserting positioning holes are formed in the side face of the side guard plate.

By adopting the scheme, the acting force generated by the stress deformation of the spring is utilized to drive the positioning rod to be inserted into the positioning groove, so that the opened radiation-proof cloth is locked in position, the unexpected loosening phenomenon is avoided, the structure is simple, and the locking effect is good.

As a preferred implementation mode, the adjusting mechanism comprises two rotating shafts rotatably arranged on the inner wall of the cavity, a motor arranged on the inner wall of the cavity and connected with the rotating shaft at the same side position of the output shaft, a bidirectional screw fixedly arranged between the two rotating shafts, two movable plates arranged on the outer surfaces of the two sections of threads of the bidirectional screw in a threaded manner and a connecting plate arranged on the upper surface of the movable plates, and the head bracket is provided with a channel for the movement of the connecting plate.

By adopting the scheme, the motor is utilized to drive the rotating shaft to rotate, the rotating shaft drives the bidirectional screw rod to rotate, and then the two moving plates are driven to move relatively, so that the moving plates on two sides drive the two head limiting plates to move relatively, the stability of the head is realized, and the phenomenon of shifting and shaking of the head in the scanning process is avoided.

As a preferred embodiment, the inner wall of the cavity is fixed with a plurality of guide rods, and the moving plate is slidably mounted on the outer surfaces of the guide rods.

By adopting the scheme, the guide rod can support and guide the movement of the movable plate, so that the movable plate has good stability in the movement process and is not easy to tilt and shake.

As a preferred embodiment, sponge pads are adhered to the arc-shaped areas on the two head limiting plates.

By adopting the scheme, the sponge cushion can be used for attaching and protecting the head of a patient, and has good protection effect.

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

according to the CT image scanning device, the radiation-proof shielding cloth is arranged to be matched with the wind-up roll, the locating plate and the locating rod for use, when a patient is subjected to CT scanning, the radiation-proof shielding cloth is pulled out to isolate and protect a part which does not need scanning, the influence of radiation on other body parts is avoided, the first soft magnetic strip and the second soft magnetic strip are matched for use, the locating rod is driven to be inserted into the locating groove by utilizing the elasticity of the spring, the radiation-proof shielding cloth can be locked in position, unexpected loosening is avoided, a good protection and use effect is achieved, the structure is simple, and the operation is convenient;

this scanning device of CT image uses through setting up adjustment mechanism cooperation head limiting plate, utilizes adjustment mechanism can order about two head limiting plates synchronous relative motion, realizes effectively stabilizing patient's head, and then appears rocking the skew phenomenon when avoiding head CT scanning, effectively guarantees the scanning degree of accuracy, perfect function diversity.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a radiation shielding cloth according to the present utility model;

FIG. 3 is a schematic view of the structure of the positioning plate of the present utility model;

FIG. 4 is a schematic view of a CT scanner of the present utility model;

FIG. 5 is a schematic cross-sectional view of a head bracket according to the present utility model.

In the figure: 1. a CT scanning bed; 2. a side guard plate; 3. a first soft magnetic stripe; 4. a mounting plate; 5. a wind-up roll; 6. a knob; 7. radiation-proof cloth; 8. a second soft magnetic stripe; 9. a positioning plate; 10. a positioning rod; 11. a limiting disc; 12. a spring; 13. a head bracket; 14. a head limiting plate; 15. a sponge cushion; 16. a rotating shaft; 17. a motor; 18. a bidirectional screw rod; 19. a moving plate; 20. a connecting plate; 21. and a guide rod.

Detailed Description

Referring to fig. 1-5, the utility model provides a scanning device for CT images, which comprises a CT scanning bed 1, wherein mounting holes are formed at four corners of the CT scanning bed 1, side guard plates 2 are fixedly mounted at the left and right sides of the upper surface of the CT scanning bed 1, two mounting plates 4 are fixedly mounted at the front and rear sides of the lower surface of the CT scanning bed 1, a winding roller 5 is rotatably mounted between the two mounting plates 4 at the same side, a knob 6 is fixed at one end of a roller shaft of the winding roller 5, an anti-radiation shielding cloth 7 is wound on the winding roller 5, a head bracket 13 is fixedly mounted at the front side of the upper surface of the CT scanning bed 1, an arc-shaped head placing hole is formed in the upper surface of the head bracket 13, two head limiting plates 14 which are oppositely arranged are arranged in the arc-shaped head placing hole, a cavity is formed in the opposite surfaces of the two head limiting plates 14, and an adjusting mechanism for adjusting the distance between the two head limiting plates 14 is arranged in the cavity.

The left side surface and the right side surface of the radiation protection shielding cloth 7 are fixedly provided with the soft magnetic strips II 8, the upper surface of the side guard plate 2 is fixedly provided with the soft magnetic strips I3, the soft magnetic strips I3 and the soft magnetic strips II 8 at the same side position are matched for use, the effective position of the radiation protection shielding cloth 7 after being opened and pulled out can be limited by utilizing the matching use of the soft magnetic strips I3 and the soft magnetic strips II 8, and the phenomenon of gaps between the radiation protection shielding cloth 7 and the side guard plate 2 is avoided.

The end of the soft magnetic stripe II 8 is fixed with a locating plate 9, a locating rod 10 is slidably mounted on the locating plate 9, a limiting disc 11 is fixed at the end of the locating rod 10, springs 12 with two ends connected with the locating plate 9 and the limiting disc 11 respectively are sleeved outside the locating rod 10, a plurality of locating grooves for locating hole insertion are formed in the side face of the side guard 2, the locating rod 10 is driven to be inserted into the locating grooves by acting force generated by stress deformation of the springs 12, and then the opened radiation protection cloth 7 is locked in position, so that unexpected loosening is avoided, and the structure is simple and the locking effect is good.

The adjusting mechanism comprises two rotating shafts 16 which are rotatably arranged on the inner wall of a cavity, a motor 17 which is arranged on the inner wall of the cavity and is connected with the rotating shafts 16 at the positions of the same side by an output shaft, a bidirectional screw rod 18 which is fixedly arranged between the two rotating shafts 16, two movable plates 19 which are threadedly arranged on the outer surfaces of two sections of threads of the bidirectional screw rod 18, and a connecting plate 20 which is arranged on the upper surface of the movable plates 19, wherein a channel for the movement of the connecting plate 20 is formed in the head bracket 13, the motor 17 is utilized to drive the rotating shafts 16 to rotate, the bidirectional screw rod 18 is driven to rotate, the two movable plates 19 are driven to move relatively, and therefore the movable plates 19 on two sides drive the two head limiting plates 14 to move relatively, so that the stability of the head is realized, and the head is prevented from shaking in the scanning process.

The cavity inner wall is fixed with a plurality of guide arm 21, and movable plate 19 slidable mounting is at the surface of a plurality of guide arm 21, and the setting of guide arm 21 can support the motion of movable plate 19 and lead for movable plate 19 stability is good in the motion in-process, and is difficult for the slope to rock.

The foam-rubber cushion 15 is stuck in the arc-shaped area on the two head limiting plates 14, and the foam-rubber cushion 15 can be used for attaching and protecting the head of a patient, so that the protection effect is good.

When the anti-radiation shielding cloth 7 is used, a patient lies on the CT scanning bed 1, the head is placed on the head bracket 13, the motor 17 is started, the motor 17 drives the rotating shaft 16 to rotate, the rotating shaft 16 drives the bidirectional screw rod 18 to rotate, and further the two movable plates 19 are driven to move relatively, so that the two head limiting plates 14 are driven to move relatively through the movable plates 19 on the two sides, the stability of the head is realized, then the anti-radiation shielding cloth 7 is pulled out, after a proper length is pulled out, the soft magnetic stripe I3 and the soft magnetic stripe II 8 are mutually adsorbed, the positioning rod 10 is driven to be inserted into a positioning groove at a proper position by using the elasticity of the spring 12, the two anti-radiation shielding cloths 7 can isolate and protect a part which does not need scanning, and the position between the two anti-radiation shielding cloths 7 just exposes the scanning part.

Claims

1. A scanning device for CT images, characterized in that: including CT scanning bed (1), the mounting hole has all been seted up in four corner positions department of CT scanning bed (1), the equal fixed mounting in left and right sides of CT scanning bed (1) upper surface has side guard plate (2), the equal fixed mounting in front and back both sides of CT scanning bed (1) lower surface has two mounting panel (4), and two of homonymy rotate between mounting panel (4) and install wind-up roll (5), the roller one end of wind-up roll (5) is fixed with knob (6), the winding has radiation protection fender cloth (7) on wind-up roll (5), the upper surface front side position department fixed mounting of CT scanning bed (1) has head bracket (13), the upper surface of head bracket (13) has arc head place hole and arc head place and is provided with two head limiting plates (14) of laying relatively in the hole, two the opposite face of head limiting plate (14) all has the arc district, the inside of head bracket (13) is seted up cavity and is provided with the adjustment mechanism who is used for adjusting between two head limiting plates (14).

2. The CT image scanner of claim 1, wherein: the anti-radiation shielding cloth is characterized in that the left side surface and the right side surface of the anti-radiation shielding cloth (7) are fixedly provided with a soft magnetic strip II (8), the upper surface of the side guard plate (2) is fixedly provided with a soft magnetic strip I (3), and the soft magnetic strip I (3) and the soft magnetic strip II (8) at the same side position are matched for use.

3. The CT image scanner of claim 2, wherein: the end part of the soft magnetic strip II (8) is fixedly provided with a locating plate (9), the locating plate (9) is provided with a locating rod (10) in a sliding mode, the end part of the locating rod (10) is fixedly provided with a limiting disc (11), the outer part of the locating rod (10) is sleeved with springs (12) with two ends respectively connected with the locating plate (9) and the limiting disc (11), and a plurality of locating grooves for locating hole insertion are formed in the side face of the side guard plate (2).

4. The CT image scanner of claim 1, wherein: the adjusting mechanism comprises two rotating shafts (16) rotatably arranged on the inner wall of the cavity, a motor (17) arranged on the inner wall of the cavity and connected with the rotating shafts (16) at the positions of the same side, a bidirectional screw rod (18) fixedly arranged between the two rotating shafts (16), two movable plates (19) threadedly arranged on the outer surfaces of the two sections of threads of the bidirectional screw rod (18) and a connecting plate (20) arranged on the upper surface of the movable plate (19), wherein a channel for the movement of the connecting plate (20) is formed in the head bracket (13).

5. The CT image scanner of claim 4, wherein: the inner wall of the cavity is fixedly provided with a plurality of guide rods (21), and the moving plate (19) is slidably arranged on the outer surfaces of the guide rods (21).

6. The CT image scanner of claim 1, wherein: sponge pads (15) are adhered in the arc-shaped areas on the two head limiting plates (14).