CN219538342U

CN219538342U - CT coronary angiography arm support

Info

Publication number: CN219538342U
Application number: CN202320935426.0U
Authority: CN
Inventors: 郑卓; 曹城浩; 程勇
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-08-18
Anticipated expiration: 2033-04-24

Abstract

The utility model relates to a CT coronary angiography arm support, which comprises a bottom plate, wherein a first arm support is arranged on the bottom plate, the upper end of the bottom plate is inwards sunken to form a movable chamber, a first screw rod is rotatably arranged in the movable chamber, one end of the first screw rod penetrates through the movable chamber to be connected with a first rotating handle, the first screw rod is in threaded connection with a movable block, the upper end of the movable block penetrates through the movable chamber to be connected with a second arm support, the lower end of the second arm support is symmetrically provided with two T-shaped limiting blocks, the two limiting blocks are both in sliding connection with the bottom plate, the upper end of the bottom plate is inwards sunken to form a limiting groove matched with the limiting block, one side of the second arm support is provided with a connecting block, the connecting block is connected with the first arm support in a drawing-inserting mode, one side of the first arm support is inwards sunken to form a connecting groove matched with the connecting block, the distance between the first arm support and the second arm support is convenient to adjust according to the length of an arm of a patient, the height of a neck pillow is adjustable, comfort is increased, and meanwhile, the double arms of the patient can be fixed.

Description

CT coronary angiography arm support

Technical Field

The utility model relates to the technical field of arm supports, in particular to a CT coronary angiography arm support.

Background

CT coronary angiography refers to the process of scanning coronary arteries by utilizing a plurality of rows of spiral CT after intravenous injection of proper contrast agent, so that the condition of coronary artery lesions is known, and the method is one of simple, effective and noninvasive early-stage coronary artery disease diagnosis and prediction methods, and has certain advantages in measuring calcified plaque load of coronary arteries, knowing coronary vessel walls and conditions outside the coronary arteries, checking congenital coronary dysplasia, coronary heart disease stent implantation and follow-up visit after coronary artery bypass grafting. In CT coronary angiography of a patient, the patient needs to lie on the table of the imaging apparatus, with the two arms lifted and placed on the CT coronary angiography arm support. The existing CT coronary angiography arm support is generally of a fixed structure, and in the use process, when patients with different heights are used, the length of the arm support cannot be adjusted according to the length of the arms of the patients, so that comfort of the patients is reduced, and practicality of the whole device is reduced.

Secondly, current CT coronary angiography arm holds in the palm in the use, can set up the headrest on whole device in order to increase patient's comfort level, and the position of headrest is generally fixed setting, can not adjust the height of headrest according to different patients, uses very inconveniently.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a CT coronary angiography arm support, which solves the problem that the existing CT coronary angiography arm support is generally of a fixed structure and cannot adjust the length of the arm support according to the length of the arm of a patient.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a CT coronary angiography arm holds in palm, includes the bottom plate, be equipped with first arm on the bottom plate and hold in the palm, the bottom plate upper end inwards is sunken to form the movable chamber, it is equipped with first screw rod to rotate in the movable chamber, first screw rod one end passes the movable chamber and is connected with first rotating handle, threaded connection has the movable block on the first screw rod, the movable block upper end passes the movable chamber and is connected with the second arm and holds in the palm, second arm holds in the palm the lower extreme symmetry and is equipped with the stopper of two T types, two the stopper all with bottom plate sliding connection, the bottom plate upper end inwards is sunken to form the spacing groove with stopper matched with, second arm holds in the palm one side and is equipped with the connecting block, the connecting block is held in the palm to be taken out with first arm and is inserted with first arm, first arm holds in the palm inwards sunken to form with connecting block matched with connecting groove, be equipped with lifting assembly on the bottom plate, the bottom plate is connected with the neck pillow through lifting assembly, is convenient for adjust the distance between first arm support and the second arm support according to patient's arm's length to adjust whole arm support's length, thereby improved patient comfort level when using.

In a further preferred embodiment, the upper end of the first arm support is recessed inwards to form a placement groove matched with the neck pillow, and the first arm support is movably connected with the neck pillow so as to facilitate the movement of the neck pillow.

In a further preferred aspect, a lifting chamber is arranged in the bottom plate, a second screw rod is rotatably arranged in the lifting chamber, a sleeve is in threaded connection with the second screw rod, and the upper end of the sleeve penetrates through the lifting chamber and is fixedly connected with the neck pillow, so that the neck pillow can be conveniently adjusted in height.

In a further preferred aspect, the second screw is provided with a driven conical gear, the driven conical gear is connected with a driving conical gear in a meshed manner, the driving conical gear is fixedly connected with a rotating rod, and one end of the rotating rod penetrates through the bottom plate to be connected with a second rotating handle, so that the second screw can rotate conveniently.

In a further preferred embodiment, four lifting rods are symmetrically arranged at the lower end of the neck pillow, each lifting rod is connected with the bottom plate in a drawing and inserting mode, and the upper end of the bottom plate is inwards recessed to form a lifting groove matched with the lifting rod, so that the neck pillow is convenient to limit when moving.

In a further preferred embodiment, the upper ends of the first arm support and the second arm support are respectively recessed inwards to form two arm grooves, so that the arms of the patient can be placed conveniently.

In a further preferred aspect, the second arm support is symmetrically provided with two fixing components, each fixing component comprises two binding bands arranged at the upper end of the second arm support, and two hook-and-loop fasteners matched with each other are respectively arranged on the binding bands, so that the arms of a patient can be fixed conveniently.

(III) beneficial effects

Compared with the prior art, the utility model provides the CT coronary angiography arm support, which has the following beneficial effects:

1. according to the utility model, the distance between the first arm support and the second arm support can be adjusted according to the length of the arm of a patient by matching the bottom plate, the first arm support, the movable chamber, the first screw, the first rotating handle, the movable block, the second arm support, the limiting block, the limiting groove, the connecting block and the connecting groove, so that the length of the whole arm support is adjusted, the comfort level of the patient when the CT coronary angiography arm support is used is improved, and the practicability of the whole device is improved.

2. According to the utility model, the height of the headrest can be adjusted according to different patient postures by matching the bottom plate, the neck pillow, the placing groove, the lifting chamber, the second screw rod, the sleeve, the driven bevel gear, the driving bevel gear, the rotating rod, the second rotating handle, the lifting rod and the lifting groove, so that the flexibility of the whole device is improved, the whole operation process is simple and rapid, and the use is very convenient.

3. According to the utility model, the base plate, the arm groove, the binding belt and the magic tape are matched, so that the arm of a patient can be fixed, the phenomenon that the arm of the patient moves in the CT coronary angiography examination process is avoided, the smooth examination is ensured, and meanwhile, the binding belt can be adjusted according to the thickness of the arm of the patient, so that the CT coronary angiography examination device is convenient and quick to use.

Drawings

FIG. 1 is a schematic view of the overall structure of a CT coronary angiography arm support according to the present utility model;

FIG. 2 is a schematic view showing the overall structure of a CT coronary angiography arm support according to another aspect of the present utility model;

FIG. 3 is a schematic view of a cross-sectional structure of a portion of a base plate and a connecting member thereof according to the present utility model;

FIG. 4 is an enlarged schematic view of a portion of FIG. 3A in accordance with the present utility model;

FIG. 5 is a schematic view of a portion of the structure of a base plate and its connecting members according to the present utility model;

FIG. 6 is a schematic view of the exploded structure of FIG. 5 in the present utility model

FIG. 7 is a schematic view of a portion of the construction of the strap and its attachment means according to the present utility model.

In the figure: 1. a bottom plate; 2. a first arm rest; 3. a mobile room; 4. a first screw; 5. a first rotating handle; 6. a moving block; 7. a second arm rest; 8. a limiting block; 9. a limit groove; 10. a connecting block; 11. a connecting groove; 12. neck pillow; 13. a placement groove; 14. a lifting chamber; 15. a second screw; 16. a sleeve; 17. a driven bevel gear; 18. driving a bevel gear; 19. a rotating rod; 20. a second rotating handle; 21. a lifting rod; 22. a lifting groove; 23. an arm slot; 24. a strap; 25. a magic tape.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-7, a CT coronary angiography arm support includes a base plate 1, a first arm support 2 is disposed on the base plate 1, an upper end of the base plate 1 is recessed inwards to form a mobile chamber 3, a first screw 4 is disposed in the mobile chamber 3 in a rotating manner, one end of the first screw 4 penetrates through the mobile chamber 3 to be connected with a first rotating handle 5, a moving block 6 is connected to the first screw 4 in a threaded manner, an upper end of the moving block 6 penetrates through the mobile chamber 3 to be connected with a second arm support 7, two T-shaped limiting blocks 8 are symmetrically disposed at a lower end of the second arm support 7, the two limiting blocks 8 are slidably connected with the base plate 1, a limiting groove 9 matched with the limiting block 8 is formed in an inward recessed manner at an upper end of the base plate 1, a connecting block 10 is disposed at one side of the second arm support 7, the connecting block 10 is connected with the first arm support 2 in a pulling manner, a connecting groove 11 matched with the connecting block 10 is formed in an inward recessed manner at one side of the first arm support 2, a lifting assembly is disposed on the base plate 1, and a neck rest 12 is connected to the base plate 1 through the lifting assembly.

In this embodiment, the upper end of the first arm support 2 is recessed inward to form a placement groove 13 matched with the neck rest 12, the first arm support 2 is movably connected with the neck rest 12, the neck rest 12 is placed in the placement groove 13, and the neck rest 12 can move up and down in the placement groove 13.

In this embodiment, a lifting chamber 14 is disposed in the bottom plate 1, a second screw rod 15 is rotationally disposed in the lifting chamber 14, a sleeve 16 is in threaded connection with the second screw rod 15, the upper end of the sleeve 16 passes through the lifting chamber 14 and is fixedly connected with the neck rest 12, when the second screw rod 15 rotates, the second screw rod 15 is in threaded connection with the sleeve 16, the rotation of the second screw rod 15 enables the sleeve 16 to move upwards, and the sleeve 16 drives the neck rest 12 to move upwards, so that the height of the neck rest 12 is adjusted.

In this embodiment, the second screw 15 is provided with a driven bevel gear 17, the driven bevel gear 17 is in meshed connection with a driving bevel gear 18, the driving bevel gear 18 is fixedly connected with a rotating rod 19, one end of the rotating rod 19 passes through the bottom plate 1 and is connected with a second rotating handle 20, the second rotating handle 20 is rotated, the second rotating handle 20 drives the rotating rod 19 to rotate, the rotating rod 19 drives the driving bevel gear 18 to rotate, and the driving bevel gear 18 drives the second screw 15 to rotate through the driven bevel gear 17.

In this embodiment, four lifting rods 21 are symmetrically arranged at the lower end of the neck pillow 12, each lifting rod 21 is connected with the bottom plate 1 in a drawing and inserting manner, the upper end of the bottom plate 1 is inwards recessed to form a lifting groove 22 matched with the lifting rod 21, and when the neck pillow 12 moves upwards, the neck pillow 12 drives the four lifting rods 21 to move along the lifting groove 22, so that the neck pillow 12 is limited.

In this embodiment, the upper ends of the first arm support 2 and the second arm support 7 are respectively recessed inward to form two arm slots 23, and the patient's arms can be respectively placed in the two arm slots 23.

In this embodiment, two fixing components are symmetrically arranged on the second arm support 7, each fixing component comprises two binding bands 24 arranged at the upper end of the second arm support 7, two hook-and-loop fasteners 25 matched with each other are respectively arranged on the two binding bands 24, and the hook-and-loop fasteners 25 of the two binding bands 24 are attached to each other according to the thickness degree of the arm of the patient, so that the arm of the patient is fixed.

Embodiment two:

to sum up, when the patient needs to do CT coronary angiography in use, the patient needs to lie on the examination bed of the CT coronary angiography apparatus, put the head on the neck pillow 12, lift the arms upwards and put the arms into the two arm slots 23, and adjust the height of the neck pillow 12 according to the posture and the use requirement of the patient, which is specifically: the second rotating handle 20 is rotated, the second rotating handle 20 drives the rotating rod 19 to rotate, the rotating rod 19 drives the driving bevel gear 18 to rotate, the driving bevel gear 18 drives the second screw rod 15 to rotate through the driven bevel gear 17, the sleeve 16 moves upwards due to the fact that the second screw rod 15 is in threaded connection with the sleeve 16, the sleeve 16 drives the neck pillow 12 to move upwards in the placing groove 13, and accordingly the height of the neck pillow 12 is increased, the neck pillow 12 drives the four lifting rods 21 to move along the lifting groove 22, and the neck pillow 12 is limited. Conversely, when the neck rest 12 is required to move downward, the neck rest 12 can be moved by rotating the second handle 20 in the opposite direction.

Embodiment III:

in summary, when in use, the length of the whole arm support can be adjusted according to the arm length of a patient, and the specific operation is as follows: the first rotating handle 5 is rotated, the first rotating handle 5 drives the first screw 4 to rotate, the moving block 6 is in threaded connection with the first screw 4, the moving block 6 moves away from the direction of the first arm support 2 due to the rotation of the first screw 4, the moving block 6 drives the second arm support 7 to move, the second arm support 7 drives the two limiting blocks 8 to move along the limiting grooves 9, the second arm support 7 limits the second arm support 7, the connecting block 10 is driven by the second arm support 7 to move along the connecting grooves 11, the distance between the first arm support 2 and the second arm support 7 is increased, the length of the whole arm support is prolonged, and conversely, when the first rotating handle 5 rotates in the opposite direction, the whole arm support is shortened. The velcro 25 of the two straps 24 are attached according to the thickness of the patient's arms, thereby fixing the two arms of the patient respectively.

In all the above mentioned embodiments, the welding, the matching connection of the bolt and the nut, the bolt or the screw connection or other known connection modes can be selected according to the actual situation, and are not described in detail herein, the above description refers to the write-in fixed connection, and the welding is preferentially considered, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art should be covered by the protection scope of the present utility model if the technical scheme and the inventive concept thereof are equivalent or changed within the scope of the present utility model.

Claims

1. The utility model provides a CT coronary angiography arm holds in palm, includes bottom plate (1), its characterized in that, be equipped with first arm on bottom plate (1) and hold in the palm (2), bottom plate (1) upper end inwards is sunken to form and moves room (3), move room (3) internal rotation and be equipped with first screw rod (4), move room (3) are passed to first screw rod (4) one end and are connected with first rotating handle (5), threaded connection has movable block (6) on first screw rod (4), movable block (6) upper end passes and moves room (3) and be connected with second arm and hold in the palm (7), second arm holds in the palm (7) lower extreme symmetry and is equipped with stopper (8) of two T types, two stopper (8) all with bottom plate (1) sliding connection, bottom plate (1) upper end inwards is sunken to form spacing groove (9) with stopper (8), second arm holds in the palm (7) one side and is equipped with first rotating handle (5), first arm holds in the palm (2) and is taken out and is connected, first arm holds in the palm (2) is connected with second arm, first arm holds in the palm (10) is connected with connecting block (1) through recess (12) to be equipped with lifting assembly.

2. A CT coronary angiography arm rest according to claim 1, wherein: the upper end of the first arm support (2) is inwards recessed to form a placing groove (13) matched with the neck pillow (12), and the first arm support (2) is movably connected with the neck pillow (12).

3. A CT coronary angiography arm rest according to claim 2, wherein: the lifting device is characterized in that a lifting chamber (14) is arranged in the bottom plate (1), a second screw rod (15) is rotationally arranged in the lifting chamber (14), the second screw rod (15) is in threaded connection with a sleeve (16), and the upper end of the sleeve (16) penetrates through the lifting chamber (14) and is fixedly connected with the neck pillow (12).

4. A CT coronary angiography arm rest according to claim 3, wherein: be equipped with driven bevel gear (17) on second screw rod (15), driven bevel gear (17) meshing is connected with drive bevel gear (18), drive bevel gear (18) fixedly connected with bull stick (19), bull stick (19) one end is passed bottom plate (1) and is connected with second twist grip (20).

5. The CT coronary angiography arm rest according to claim 4, wherein: four lifting rods (21) are symmetrically arranged at the lower end of the neck pillow (12), each lifting rod (21) is connected with the bottom plate (1) in a drawing and inserting mode, and the upper end of the bottom plate (1) is inwards recessed to form a lifting groove (22) matched with the lifting rod (21).

6. A CT coronary angiography arm rest according to claim 1, wherein: the upper ends of the first arm support (2) and the second arm support (7) are respectively recessed inwards to form two arm grooves (23).

7. The CT coronary angiography arm rest according to claim 6, wherein: two fixing components are symmetrically arranged on the second arm support (7), each fixing component comprises two binding bands (24) arranged at the upper end of the second arm support (7), and two magic tapes (25) matched with each other are respectively arranged on the two binding bands (24).