CN216135904U

CN216135904U - Head fixer for CT nuclear magnetic resonance

Info

Publication number: CN216135904U
Application number: CN202122153504.5U
Authority: CN
Inventors: 燕林; 吴建; 刘福东
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-03-29
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a head fixator for CT nuclear magnetic resonance, and relates to the technical field of medical examination auxiliary equipment. The utility model comprises a detection table, wherein a plurality of slide rails are fixedly arranged on the detection table, a bed board is arranged on the plurality of slide rails in a sliding manner, a U-shaped rail is fixedly arranged at the top of one end of the bed board, arc-shaped plates for placing the head of a patient are arranged on two sides of a notch in the middle of the U-shaped rail in a sliding manner, a fracture is arranged in the middle of the U-shaped rail, and ring plate teeth are formed on the outer ring of each arc-shaped plate. According to the utility model, the U-shaped rail and the arc-shaped plate which slides on the U-shaped rail and is used for placing the head of the patient are arranged on the movable bed plate, so that the head of the patient can be conveniently adjusted to a proper angle to be fixed along with the rotation of the arc-shaped plate, and the equipment is controlled through the action of the clamping assembly and the linkage assembly, so that the head of the patient can be effectively ensured to be in a good stable position, and the normal operation of medical detection is facilitated.

Description

Head fixer for CT nuclear magnetic resonance

Technical Field

The utility model relates to the technical field of medical examination auxiliary equipment, in particular to a head fixator for CT nuclear magnetic resonance.

Background

In the medical field, when a patient is examined comprehensively, some related instruments are often used to image organs or tissues inside the patient, and ct, nuclear magnetic resonance, etc. are commonly used. This kind of imaging device often need guarantee that patient's health is good fixed when using, if patient's health takes place unstable removal then leads to the formation of image fuzzy very easily, is unfavorable for the doctor to judge pathological change tissue, when imaging patient's brain, patient's head is difficult to fix with suitable angle at present, also is unfavorable for guaranteeing to stabilize the pathological position of formation of image effect and also does not benefit to in the angle of difference to patient and analyzes and judge.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems of the prior art, the present invention provides a head holder for CT nmr.

The utility model specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a head fixer for CT nuclear magnetic resonance, is including examining test table, it has a plurality of slide rail, a plurality of to examine test table and go up fixed mounting slide on the slide rail and be provided with the bed board, the top fixed mounting of bed board one end has U type rail, the both sides of the notch at U type rail middle part slide and are provided with the arc that is used for placing patient's head, the middle part of U type rail is the fracture, the outer lane of arc is constructed there is the ring plate tooth, it is provided with the gear that is used for with ring plate tooth engaged with to rotate between the fracture of U type rail, it carries out pivoted interlock subassembly to be provided with to be used for drive gear on the test table, be provided with the centre gripping subassembly that is used for carrying out the centre gripping to patient's head between the both sides of arc.

Furthermore, guard rails for preventing the patient from falling are arranged on two sides of the bed board.

Furthermore, the linkage assembly comprises a fixing plate fixedly installed on one side of the bed plate, one of the guard rails is rotatably provided with a shaft rod penetrating through the whole guard rail and the fixing plate, a disc is fixedly installed at one end, close to the U-shaped rail, of the shaft rod, protruding shafts with the same motion trail radius are arranged on the disc and the gears, a connecting rod is hinged to the two protruding shafts, a worm wheel is fixedly installed at the other end of the shaft rod, L-shaped positioning plates are fixed to two sides of the guard rail, a worm used for being matched with the worm wheel in a corresponding mode is rotatably connected between the two L-shaped positioning plates, and a rocking handle is rotatably arranged on one side of the worm.

Furthermore, one side of one of the guard rails is hinged to the bed plate, a turned edge is fixedly mounted at one side of the bottom of the guard rail, a plurality of communication ports penetrating through the corresponding bed plate are formed in the turned edge, and inserting rods used for positioning the guard rails are inserted into the communication ports.

Further, the centre gripping subassembly includes the mounting panel of fixed mounting at arc both sides top, every a screw hole and a slide opening, every have all been seted up on the mounting panel equal threaded connection has a threaded rod, two in the threaded hole equal fixed mounting in one side of threaded rod has the adjustable ring, and the opposite side of two threaded rods all rotates and is provided with splint that can correspond each other, every the equal fixed mounting in back of splint has the slide bar of inserting and establishing in the slide opening that slides.

Furthermore, the bottom of the inner wall of the arc-shaped plate and one surface of the two clamping plates close to each other are fixedly provided with soft pads.

Furthermore, a scale groove surrounding the arc plate is formed in one side, close to the edge, of the arc plate, and a pointer pointing to the scale groove is fixedly installed on one side of the U-shaped rail.

The utility model has the following beneficial effects: according to the utility model, the U-shaped rail and the arc-shaped plate which slides on the U-shaped rail and is used for placing the head of the patient are arranged on the movable bed plate, so that the head of the patient can be conveniently adjusted to a proper angle to be fixed along with the rotation of the arc-shaped plate, and the equipment is controlled through the action of the clamping assembly and the linkage assembly, so that the head of the patient can be effectively ensured to be in a good stable position, and the normal operation of medical detection is facilitated.

Drawings

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

FIG. 2 is a side view of the structure of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

reference numerals: 1. a detection table; 2. a slide rail; 3. a bed board; 4. a pointer; 5. a U-shaped rail; 6. an arc-shaped plate; 7. ring plate teeth; 8. a gear; 9. protecting the fence; 10. a fixing plate; 11. a shaft lever; 12. a disc; 13. a connecting rod; 14. mounting a plate; 15. a threaded rod; 16. an adjusting ring; 17. a splint; 18. a soft cushion; 19. flanging; 20. inserting a rod; 21. a rocking handle; 22. A worm gear; 23. an L-shaped positioning plate; 24. a worm.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when the products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-3, according to the head holder for CT nuclear magnetic resonance provided by an embodiment of the present invention, the movable bed plate 1 is provided with the U-shaped rail 5 and the arc-shaped plate 6 sliding on the U-shaped rail 5 for placing the head of the patient (in the scheme, it should be noted that the nuclear magnetic resonance can not generate metal objects, and the above and the following structures are made of non-metal structure materials, such as hard plastic acrylic, etc., and can be reasonably selected according to actual requirements), so that the head of the patient can be conveniently adjusted to a proper angle to be fixed along with the rotation of the arc-shaped plate 6, the device is controlled by the clamping component and the linkage component, so as to effectively ensure a good stable position of the head of the patient, and further facilitate the normal operation of medical detection, and in order to realize the normal structural function of the device, the device includes the detection table 1, specifically, the detection table 1 is fixedly provided with a plurality of slide rails 2, a bed board 3 is arranged on the plurality of slide rails 2 in a sliding manner, normal pushing of a patient to a detection position is realized through the structure, in order to realize that the head of the patient can be fixed at a fixed angle and be beneficial to imaging of equipment, a U-shaped rail 5 is fixedly arranged at the top of one end of the bed board 3, arc plates 6 (the structure can be shown in figure 1) for placing the head of the patient are arranged on two sides of a notch in the middle of the U-shaped rail 5 in a sliding manner, the arc plates 6 can rotate along with the arc surface of the U-shaped rail 5 while being used for placing the head of the patient, at the moment, in order to ensure locking of the U-shaped rail at the fixed angle position, the middle of the U-shaped rail 5 can be provided with a fracture, specifically, a ring plate tooth 7 is formed on the outer ring of the arc plates 6, a gear 8 (the position relation can be shown in figure 3) for being meshed with the ring plate tooth 7 is rotatably arranged between the fractures of the U-shaped rail 5, can realize the regulation to 6 angular position of arc through drive gear 8 rotation, because it is not only to be used for drive gear 8 pivoted mode, be provided with on examining test table 1 here and be used for drive gear 8 to carry out pivoted interlock subassembly (specific structure does not do the restriction here, should satisfy can lock gear 8 position can), for guaranteeing the normal fixed of patient's head this moment, here still should be provided with between the both sides of arc 6 and be used for carrying out the centre gripping subassembly of centre gripping to patient's head.

As shown in fig. 1, the safety of the apparatus is ensured, and guard rails 9 for preventing a patient from falling may be provided on both sides of the bed plate 3.

As shown in fig. 1 and 3, in some embodiments, in order to realize the interlocking function of the interlocking assembly, the interlocking assembly is provided here and includes a fixing plate 10 fixedly installed on one side of the bed plate 3, specifically, a shaft rod 11 penetrating through the whole of the guard rail 9 and the fixing plate 10 is rotatably provided on one of the guard rails 9 (the transmission stability and the extended action distance of the shaft rod 11 can be ensured by providing the shaft rod 11 on the guard rail 9, which is more convenient for an external operator to use), a circular disc 12 is fixedly installed at one end of the shaft rod 11 near the U-shaped rail 5, convex shafts with equal motion track radiuses are provided on both the circular disc 12 and the gear 8 (the convex shafts can rotate along the corresponding axes of the circular disc 12 and the gear 8), a connecting rod 13 is hinged on both the convex shafts, when the circular disc 12 rotates, the connecting rod 13 can drive the gear 8 to rotate correspondingly, in order to ensure a good locking function of transmission for operating a handle for rotating the shaft lever 11 and ensure that the gear 8 can be ensured at a stable position to prevent the arc-shaped plate 6 from recovering, a worm wheel 22 is fixedly installed at the other end of the shaft lever 11, L-shaped positioning plates 23 are fixed at two sides of the guard rail 9, a worm 24 (shown in fig. 1) for correspondingly matching with the worm wheel 22 is rotatably connected between the two L-shaped positioning plates 23, a good transmission effect of the device can be ensured by driving the worm 24 to rotate (the worm wheel 22 and the worm 24 realize self-locking by controlling the expansion helix angle of the worm 24 to be smaller than the friction angle of the worm wheel 22 and the worm 24 in contact, and thus a good position relation of the gear 8 is ensured), and in order to facilitate the operation of the device, the rocking handle 21 is rotatably arranged at one side of the worm 24.

As shown in fig. 1, in order to prevent the arrangement of the guard rails 9 from affecting the up and down of the patient, one side of one of the guard rails 9 may be hinged to the bed plate 3, the guard rail 9 may be normally turned over by the hinge action, at this time, in order to fix the guard rail 9 in the vertical position, a flange 19 may be fixedly installed at one side of the bottom of the guard rail 9, specifically, a plurality of communication ports penetrating through the corresponding bed plate 3 are formed in the flange 19, and insertion rods 20 for positioning the guard rail 9 are inserted into the communication ports.

As shown in fig. 1 and 3, in some embodiments, to perform the clamping function of the clamping assembly, the clamping assembly is here provided to comprise mounting plates 14 fixedly mounted on top of the two sides of the arc-shaped plate 6, in particular, here, a threaded hole and a sliding hole are formed in each mounting plate 14, and a threaded rod 15 is threadedly coupled in each threaded hole, adjusting rings 16 are fixedly arranged on one sides of the two threaded rods 15, clamping plates 17 which can correspond to each other are rotatably arranged on the other sides of the two threaded rods 15, the distance between the two clamping plates 17 can be controlled by adjusting the adjusting rings 16 to drive the threaded rods 15 to rotate, and in order to ensure the stability of the two clamping plates 17 during movement, here, a slide bar (at the same level as the end of the threaded rod 15) slidably inserted in the slide hole is fixedly mounted on the back of each clamp plate 17.

As shown in fig. 3, in order to ensure a comfortable head fixation, a cushion 18 is fixedly arranged at the bottom of the inner wall of the arc-shaped plate 6 and at the side where the two splints 17 are close to each other.

In some embodiments, as shown in fig. 1, in order to adjust the position of the head of the patient according to the actual angle, a calibration groove surrounding the arc-shaped plate 6 can be arranged on the side of the arc-shaped plate 6 close to the edge, and a pointer 4 pointing on the calibration groove is fixedly arranged on one side of the U-shaped rail 5.

Claims

1. A head fixer for CT nuclear magnetic resonance is characterized by comprising a detection table (1), a plurality of slide rails (2) are fixedly arranged on the detection platform (1), a bed board (3) is arranged on the plurality of slide rails (2) in a sliding manner, the top of one end of the bed plate (3) is fixedly provided with a U-shaped rail (5), two sides of a notch in the middle of the U-shaped rail (5) are slidably provided with arc-shaped plates (6) for placing the head of a patient, the middle part of the U-shaped rail (5) is a fracture, the outer ring of the arc-shaped plate (6) is provided with ring plate teeth (7), a gear (8) which is used for being meshed with the ring plate teeth (7) is rotatably arranged between fractures of the U-shaped rails (5), the detection table (1) is provided with a linkage component for driving the gear (8) to rotate, a clamping assembly used for clamping the head of the patient is arranged between the two sides of the arc-shaped plate (6).

2. The head holder for CT nmr according to claim 1, wherein guard rails (9) for preventing a patient from falling are provided on both sides of the bed plate (3).

3. The head fixator for CT nuclear magnetic resonance as claimed in claim 2, wherein the linkage assembly comprises a fixing plate (10) fixedly installed on one side of the bed plate (3), one of the guard rails (9) is rotatably provided with a shaft rod (11) penetrating through the whole guard rail (9) and the fixing plate (10), one end of the shaft rod (11) close to the U-shaped rail (5) is fixedly provided with a disc (12), the disc (12) and the gear (8) are respectively provided with a convex shaft with the same motion track radius, the two convex shafts are hinged and provided with a connecting rod (13), the other end of the shaft rod (11) is fixedly provided with a worm wheel (22), the two sides of the guard rail (9) are respectively fixed with an L-shaped positioning plate (23), and a worm (24) correspondingly matched with the worm wheel (22) is rotatably connected between the two L-shaped positioning plates (23), one side of the worm (24) is rotatably provided with a rocking handle (21).

4. The head fixator for CT nuclear magnetic resonance as claimed in claim 2, wherein one side of one of the guard rails (9) is hinged to the bed plate (3), one side of the bottom of the guard rail (9) is fixedly provided with a flange (19), the flange (19) is provided with a plurality of communicating ports penetrating through the corresponding bed plate (3), and the communicating ports are internally inserted with insertion rods (20) for positioning the guard rails (9).

5. The head holder for CT nuclear magnetic resonance according to claim 1, wherein the clamping assembly comprises a mounting plate (14) fixedly mounted on the top of each side of the arc-shaped plate (6), each mounting plate (14) is provided with a threaded hole and a sliding hole, each threaded hole is internally provided with a threaded rod (15) in threaded connection, one side of each threaded rod (15) is fixedly provided with an adjusting ring (16), the other side of each threaded rod (15) is rotatably provided with a clamping plate (17) capable of corresponding to each other, and the back of each clamping plate (17) is fixedly provided with a sliding rod inserted into the sliding hole in a sliding manner.

6. The head holder for CT NMR according to claim 5, wherein a soft pad (18) is fixedly installed on the bottom of the inner wall of the arc-shaped plate (6) and the surface of the two clamping plates (17) close to each other.

7. The head holder for CT nuclear magnetic resonance according to claim 1, wherein a scale groove surrounding the arc-shaped plate (6) is arranged on one side of the arc-shaped plate (6) close to the edge, and a pointer (4) pointing on the scale groove is fixedly arranged on one side of the U-shaped rail (5).