Fixing device for brain metabolism imaging in nuclear medicine

Abstract

The invention discloses a nuclear medicine brain metabolism imaging fixing device which comprises an examination bed body, a lifting table is rotatably connected to the upper portion of the examination bed body, a lifting mechanism used for adjusting the height of the lifting table is arranged on the side portion of the examination bed body, a head fixing table is arranged on the side portion of the lifting mechanism, and a neck erecting block is arranged on the side portion of the head fixing table. A rack is fixedly connected to the lower portion of the neck erecting block and meshed with a first gear, a headrest erecting block is arranged on the side portion of the first gear, and a rotating lead screw is in threaded connection to the lower portion of the headrest erecting block. The fixing device can perform multi-dimensional fine adjustment according to the heights and postures of different examinees, such as neck forerake, humpback and the like, and the relative position relationship between the neck and the head. Through the functions of height adjustment of the lifting platform, height adaptation of the neck supporting block, position adjustment of the head supporting pillow block and the like, the physical discomfort caused by keeping a specific posture for a long time of an examiner is effectively relieved, and the possibility that the head moves unconsciously due to the discomfort is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of medical imaging fixation devices, and in particular to a fixation device for nuclear medicine brain metabolism imaging. Background Art

[0002] During nuclear medicine brain metabolic imaging, in addition to patients with neurological diseases such as Parkinson's disease, epilepsy, and dementia who find it difficult to avoid head movement due to their special conditions, even normal people often face the problem of difficulty in keeping their heads in a stable fixed position when undergoing examinations.

[0003] For normal people, nuclear medicine brain metabolism imaging usually requires patients to maintain a supine position on a specific examination bed with their heads completely still for a period of time. This time may vary from more than ten minutes to dozens of minutes depending on the examination items. During this relatively long process, patients may feel extremely uncomfortable due to various reasons such as the surface material, shape and environmental factors of the examination bed. For example, the mattress of the examination bed may be too hard or too soft, unable to provide good support for the patient's body, causing the muscles of various parts of the patient's body, especially the waist, neck and shoulders, to be in a tense state. In order to relieve this discomfort, patients often unconsciously adjust their body posture, which in turn causes the movement of the head. This patent is to provide a fixing device for nuclear medicine brain metabolism imaging to alleviate the technical problem that the examination device in the prior art requires the examiner to maintain a posture for a long time, which may cause the patient to unconsciously adjust his body posture, thereby causing the movement of the head. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art that some examination devices need to maintain a posture for a long time, which may cause the patient to unconsciously adjust the body posture and thus cause the head to move, and to propose a fixation device for nuclear medicine brain metabolism imaging.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A fixing device for nuclear medicine brain metabolism imaging comprises an examination bed, a lifting platform is rotatably connected above the examination bed, a lifting mechanism for adjusting the height of the lifting platform is arranged on the side of the examination bed, a head fixing platform is arranged on the side of the lifting mechanism, a frame neck block is arranged on the side of the head fixing platform, a rack is fixedly connected below the frame neck block, a first gear is meshed and connected to the rack, a headrest block is arranged on the side of the first gear, a rotating screw rod is threadedly connected below the headrest block, a first connecting block is arranged on one side of the rotating screw rod, and a second connecting block is arranged on the other side of the rotating screw rod, a sliding frame is slidably connected above the head fixing platform, a first winding roller is rotatably connected inside the sliding frame, a winding belt is fixedly connected to the side of the first winding roller, a fourth gear is fixedly connected to the side of the first winding roller, the fourth gear is meshed and connected to the third gear, the third gear is meshed and connected to the second gear, the second gear is fixedly connected to the second winding roller, and the winding belt is fixedly connected to the side of the second winding roller.

[0007] The above technical solution further includes:

[0008] The lifting mechanism includes a first support block arranged at the bottom of the lifting platform, a first support arm is rotatably connected to the bottom of the first support block, the first support arm is rotatably connected to the first connection block, the first connection block is threadedly connected to a threaded rod, the threaded rod is threadedly connected to the second connection block, a second support arm is rotatably connected to the top of the second connection block, the second support arm is rotatably connected to the first support block, a third support arm is arranged on the side of the second support arm close to the second connection block, the third support arm is rotatably connected to the second support block, the second support block is fixed to the bottom of the examination bed, a fourth support arm is rotatably connected to the side of the second support block, the fourth support arm is rotatably connected to the first connection block, a control block for controlling the rotation of the first connection block is arranged on the side of the examination bed, and the fixing device can be finely adjusted in multiple dimensions according to the height, posture, such as forward neck tilt, hunchback, etc., of different examiners, and the relative position relationship between the neck and the head. Through the functions of lifting platform height adjustment, frame neck block height adaptation, and frame headrest block position adjustment.

[0009] A fixing thread clamp is arranged on the side of the head fixing platform, and the fixing thread clamp is threadedly connected with the sliding frame.

[0010] A stabilizing block is arranged on the side of the head fixing platform, the stabilizing block is slidably connected with a rack, and the head fixing platform is rotatably connected with the first gear.

[0011] A first connection block is fixedly connected above the head fixing platform, the first connection block is rotatably connected to the rotating screw rod, and the other side of the rotating screw rod is rotatably connected to the second connection block.

[0012] The side of the head fixing platform is provided with a transverse groove for the fixed thread clamp to slide, and the top of the head fixing platform is provided with a transverse groove for the sliding frame to slide.

[0013] The side of the sliding frame is rotatably connected with a third gear, and the side of the head fixing platform is provided with a square groove for placing the neck on the surface of the frame neck block.

[0014] The retractable belt has a retractable property, and a hole for the retractable belt to retract is provided at the bottom of the sliding frame. The unique fixing method of the retractable belt combined with gear transmission can fix the examiner's head in an all-round and stable manner.

[0015] The present invention has the following beneficial effects:

[0016] 1. In the present invention, the fixing device can be finely adjusted in multiple dimensions according to the height, posture, such as forward neck tilt, hunchback, etc., and the relative position between the neck and the head of different examiners. Through the functions of adjusting the height of the lifting platform, the height adaptation of the frame neck block, and the position adjustment of the frame headrest block, a highly personalized and comfortable fixing environment is provided for the examiner, which not only effectively reduces the physical discomfort caused by the examiner maintaining a specific posture for a long time, but also reduces the possibility of involuntary movement of the head due to discomfort.

[0017] 2. In the present invention, the unique fixing method of the winding belt combined with gear transmission can fix the examiner's head in an all-round and stable manner. When the winding belt is tightened under the coordinated action of the first winding roller and the second winding roller, the freedom of the head in all directions can be effectively limited to prevent imaging errors caused by minor movements such as unconscious shaking, rotation or deviation of the examiner's head. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a fixing device for nuclear medicine brain metabolism imaging proposed by the present invention;

[0019] Figure 2 This is a schematic diagram of the top structure of a fixing device for nuclear medicine brain metabolism imaging in the present invention;

[0020] Figure 3 For the present invention Figure 2 The enlarged schematic diagram at A in the middle is shown;

[0021] Figure 4 This is a schematic structural diagram of a head fixation device for nuclear medicine brain metabolism imaging in the present invention;

[0022] Figure 5 It is a schematic diagram of the side structure of a fixing device for nuclear medicine brain metabolism imaging in the present invention;

[0023] Figure 6 for Figure 5 Enlarged schematic diagram of point B in the middle.

[0024] In the figure: 1. Inspection bed; 2. Lifting platform; 3. Head fixing platform; 4. First support block; 5. First support arm; 6. Second support arm; 7. First connecting block; 8. Second connecting block; 9. Threaded rod; 10. Third support arm; 11. Fourth support arm; 12. Second support block; 13. Stabilizing block; 14. First gear; 15. Rack; 16. Neck block; 17. Sliding frame; 18. First connecting block; 19. Rotating screw rod; 20. Headrest block; 21. Second connecting block; 22. Winding belt; 23. First winding roller; 24. Second winding roller; 25. Second gear; 26. Third gear; 27. Fixed threaded clamp; 28. Fourth gear. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See also Figure 1-Figure 6 As shown, the present invention is a fixing device for nuclear medicine brain metabolism imaging, comprising an examination bed 1, a lifting platform 2 is rotatably connected above the examination bed 1, a lifting mechanism for adjusting the height of the lifting platform 2 is arranged on the side of the examination bed 1, a head fixing platform 3 is arranged on the side of the lifting mechanism, a frame neck block 16 is arranged on the side of the head fixing platform 3, a rack 15 is fixedly connected below the frame neck block 16, the rack 15 is meshedly connected with a first gear 14, a frame headrest block 20 is arranged on the side of the first gear 14, a rotating screw 19 is threadedly connected below the frame headrest block 20, and a rotating screw 19 is threadedly connected to the rotating screw 19. A first connecting block 18 is provided on the side, and a second connecting block 21 is provided on the other side of the rotating screw rod 19. A sliding frame 17 is slidably connected above the head fixed platform 3, and a first winding roller 23 is rotatably connected inside the sliding frame 17. A winding belt 22 is fixedly connected to the side of the first winding roller 23, and a fourth gear 28 is fixedly connected to the side of the first winding roller 23. The fourth gear 28 is meshed with the third gear 26, and the third gear 26 is meshed with the second gear 25. The second gear 25 is fixedly connected to the second winding roller 24, and the second winding roller 24 is fixedly connected to the side of the winding belt 22.

[0027] In one embodiment, for the lifting mechanism, the lifting mechanism includes a first support block 4 arranged at the bottom of the lifting platform 2, the first support block 4 is rotatably connected to the bottom with a first support arm 5, the first support arm 5 is rotatably connected to the first connecting block 7, the first connecting block 7 is threadedly connected with a threaded rod 9, the threaded rod 9 is threadedly connected to the second connecting block 8, the second connecting block 8 is rotatably connected with a second support arm 6 above, the second support arm 6 is rotatably connected to the first support block 4, a third support arm 10 is arranged on the side below the second support arm 6 close to the second connecting block 8, the third support arm 10 is rotatably connected to the second support block 12, the second support block 12 is fixed to the bottom of the inspection bed 1, the second support block 12 is rotatably connected to the fourth support arm 11 on the side, the fourth support arm 11 is rotatably connected to the first connecting block 7, and a control block for controlling the rotation of the first connecting block 7 is arranged on the side of the inspection bed 1.

[0028] In this embodiment, a lifting mechanism is provided to adjust the height between the shoulder and the neck, and is used for inspecting people with forward necks and hunchbacks. The rotation of the threaded rod 9 can ensure the stability of the lifting platform 2 during adjustment, thereby ensuring stability during the inspection process.

[0029] In one embodiment, for the head fixing platform 3 , a fixing thread clamp 27 is disposed on the side of the head fixing platform 3 , and the fixing thread clamp 27 is threadedly connected to the sliding frame 17 .

[0030] In one embodiment, for the head fixing platform 3 , a stabilizing block 13 is disposed on the side of the head fixing platform 3 , a rack 15 is slidably connected to the stabilizing block 13 , and the head fixing platform 3 is rotatably connected to the first gear 14 .

[0031] In this embodiment, the support of the examiner's neck is ensured by the rotation of the first gear 14 and the rack 15 .

[0032] In one embodiment, for the head fixing platform 3 , a first connecting block 18 is fixedly connected above the head fixing platform 3 , the first connecting block 18 is rotatably connected to a rotating screw 19 , and the other side of the rotating screw 19 is rotatably connected to a second connecting block 21 .

[0033] In this embodiment, the first connecting block 18 and the second connecting block 21 on both sides of the rotating screw rod 19 can increase the support for the heads of people of different heights.

[0034] In one embodiment, for the head fixing platform 3 , a transverse groove for the fixing screw clamp 27 to slide is provided on the side of the head fixing platform 3 , and a transverse groove for the sliding frame 17 to slide is provided on the top of the head fixing platform 3 .

[0035] In this embodiment, the transverse groove of the threaded clamp 27 provided on the side of the head fixing platform 3 can be used to adjust the head position of people of different heights to accommodate different groups of people.

[0036] In one embodiment, the take-up belt 22 has a retractable property, and a hole for the take-up belt 22 to retract is provided at the bottom of the sliding frame 17 .

[0037] In this embodiment, the shrinkage property of the retracted belt 22 can be used to fix the examiner's head to prevent involuntary movement.

[0038] The working principle of a fixing device for nuclear medicine brain metabolism imaging in the present invention is as follows: first, the examinee lies on the surface of the lifting platform 2 above the examination bed, and then, the button on the side of the examination bed 1 is used to rotate the first connecting block 7. After the first connecting block 7 rotates, it will further cause it and the second connecting block 8 to approach each other.

[0039] Due to the relative movement between the first connecting block 7 and the second connecting block 8, the first support arm 5 and the fourth support arm 11 connected to the side of the first connecting block 7 will rotate. At the same time, the second support arm 6 and the third support arm 10 connected to the side of the second connecting block 8 will also rotate. The first support block 4 will move upward or downward due to the angular deflection of the first support 5, the second support arm 6, the fourth support arm 11 and the third support arm 10, so as to adjust the height of the lifting platform 2 to accommodate inspectors of different heights.

[0040] Then, the examiner places his neck on the frame neck block 16. After that, by rotating the first gear 14, the meshing action of the first gear 14 and the rack 15 will further drive the rack 15 to move up and down, thereby adjusting the height of the frame neck block 16 to meet the comfort requirements of people with different body shapes such as forward neck tilt and hunchback.

[0041] Next, the examiner lies his head on the surface of the headrest block 20. At this time, the rotating screw 19 will rotate with the first connecting block 18 and the second connecting block 21, and this rotation will move the headrest block 20, so that the headrest block 20 slides inside the head fixing platform 3, further adapting to the different relative position relationship between the neck and head of different people, and meeting the adjustment needs of different people.

[0042] After that, the sliding frame 17 slides inside the head fixing platform, and the fixed thread clamp 27 rotates with the sliding frame 17, and the sliding frame 17 is further tightened in the state of being inserted inside the head fixing platform 3 by means of the thread on one side of the fixed thread clamp 27, so that its position is fixed.

[0043] Finally, the forehead of the examinee is put inside the reel 22. Then, the third gear 26 rotates, and further, the third gear 26 drives the fourth gear 28 and the second reel 24 to rotate. Because one end of the reel 22 is connected to the surface of the first reel 23 and the other end is connected to the surface of the second reel 24, the fourth gear 28 drives the first reel 23 to rotate, and the second gear 25 drives the second reel 24 to rotate. In this way, the examinee's head is fixed to prevent the examinee's head from unconsciously moving and causing imaging errors.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixation device for nuclear medicine brain metabolism imaging, characterized in that: The invention comprises an inspection bed (1), wherein a lifting platform (2) is rotatably connected to the top of the inspection bed (1), a lifting mechanism for adjusting the height of the lifting platform (2) is arranged on the side of the inspection bed (1), a head fixing platform (3) is arranged on the side of the lifting mechanism, a frame neck block (16) is arranged on the side of the head fixing platform (3), a rack (15) is fixedly connected to the bottom of the frame neck block (16), the rack (15) is meshingly connected to a first gear (14), a frame headrest block (20) is arranged on the side of the first gear (14), a rotating screw (19) is threadedly connected to the bottom of the frame headrest block (20), a first connecting block (18) is arranged on one side of the rotating screw (19), and a second connecting block (21) is arranged on the other side of the rotating screw (19); A sliding frame (17) is slidably connected above the head fixing platform (3), a first winding roller (23) is rotatably connected inside the sliding frame (17), a winding belt (22) is fixedly connected to the side of the first winding roller (23), a fourth gear (28) is fixedly connected to the side of the first winding roller (23), the fourth gear (28) is meshingly connected to the third gear (26), the third gear (26) is meshingly connected to the second gear (25), the second gear (25) is fixedly connected to the second winding roller (24), and the second winding roller (24) is fixedly connected to the side of the winding belt (22); When the examiner adjusts the device to adapt to the height of the back, the medical staff rotates the first connecting block (7) to drive the first connecting block (7) and the second connecting block (8) to move closer to or farther away from each other, and drives the first supporting block (4) to move up and down or down to control the height of the lifting platform (2); when the examiner needs to adjust the device to adapt to the height of the neck, the medical staff rotates the first gear (14) to drive the rack (15) to adjust the frame neck block (16); when the examiner adjusts the device to adapt to the distance between the head and the neck, the medical staff rotates the rotating screw (19) to drive the frame headrest block (20) to move left and right; when the examiner adjusts the device to fix the head, the medical staff rotates the fixing threaded clamp (27) to tighten the sliding frame (17); when the examiner adjusts the device to fix the head, the medical staff rotates the third gear (26) to drive the fourth gear (28) and the second gear (25) to rotate, and the first winding roller (23) connected to the side of the fourth gear (28) and the second winding roller (24) connected to the side of the second gear (25) shrink the winding belt (22).

2. A fixation device for nuclear medicine brain metabolism imaging according to claim 1, characterized in that: The lifting mechanism comprises a first support block (4) arranged at the bottom of the lifting platform (2); a first support arm (5) is rotatably connected to the bottom of the first support block (4); the first support arm (5) is rotatably connected to the first connecting block (7); a threaded rod (9) is threadedly connected to the first connecting block (7); the threaded rod (9) is threadedly connected to the second connecting block (8); a second support arm (6) is rotatably connected to the top of the second connecting block (8); the second support arm (6) is rotatably connected to the first support block (4); a third support arm (10) is arranged on a side close to the second connecting block (8) below the second support arm (6); the third support arm (10) is rotatably connected to the second support block (12); the second support block (12) is fixed to the bottom of the examination bed (1); a fourth support arm (11) is rotatably connected to the side of the second support block (12); the fourth support arm (11) is rotatably connected to the first connecting block (7); a control block for controlling the rotation of the first connecting block (7) is arranged on the side of the examination bed (1).

3. The fixation device for nuclear medicine brain metabolism imaging according to claim 1, characterized in that: A fixing thread clamp (27) is provided on the side of the head fixing platform (3), and the fixing thread clamp (27) is threadedly connected to the sliding frame (17).

4. The fixation device for nuclear medicine brain metabolism imaging according to claim 1, characterized in that: A stabilizing block (13) is provided on the side of the head fixing platform (3), the stabilizing block (13) is slidably connected to a rack (15), and the head fixing platform (3) is rotatably connected to a first gear (14).

5. The fixation device for nuclear medicine brain metabolism imaging according to claim 1, characterized in that: A first connecting block (18) is fixedly connected to the top of the head fixing platform (3); the first connecting block (18) is rotatably connected to a rotating screw rod (19); and the other side of the rotating screw rod (19) is rotatably connected to a second connecting block (21).

6. The fixation device for nuclear medicine brain metabolism imaging according to claim 1, characterized in that: The side of the head fixing platform (3) is provided with a transverse groove for the fixed thread clamp (27) to slide, and the top of the head fixing platform (3) is provided with a transverse groove for the sliding frame (17) to slide.

7. The fixation device for nuclear medicine brain metabolism imaging according to claim 1, characterized in that: The side of the sliding frame (17) is rotatably connected to a third gear (26).

8. The fixation device for nuclear medicine brain metabolism imaging according to claim 1, characterized in that: The side of the head fixing platform (3) is provided with a square groove for placing the neck on the surface of the neck frame block (16).

9. The fixation device for nuclear medicine brain metabolism imaging according to claim 1, characterized in that: The retractable belt (22) has a retractable property.

10. The fixation device for nuclear medicine brain metabolism imaging according to claim 1, characterized in that: The bottom of the sliding frame (17) is provided with a hole for the retracting belt (22) to shrink.

Images