Expandable scanning head fixing frame
By designing the scanning head fixing frame of the frame structure and the anti -slip structure, the problem of long cranium position debugging time during PET examination is solved, and the inspection efficiency and stability are improved.
Patent Information
- Application Number
- CN202420370755.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-28
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-02-28
AI Technical Summary
During PET examination, the patient needs two scans, 30 minutes apart, and the equipment parameters will change due to different patients, resulting in multiple debugging during the second examination to ensure that the brain is in the same position, which takes a long time and reduces the examination. efficiency.
Design a expansion scanning head fixing frame, including the fixed brain and ground bracket, adopt adjustable bracket structure and anti -slip structure, and adjust the angle and length of the fixing tube through the adjustable bracket structure, combine the scale logo and the non -slip structure, and the non -slip structure. Make sure that the cranium is fixed in a suitable position and stable.
Through the design of the frame structure and non -slip structure, the debugging time during the second inspection is reduced, the inspection efficiency is improved, and the stability and accuracy of the cranioty brain check on the bed.
Smart Images
Figure CN222398425U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of scanning head fixing frames, in particular to an expandable scanning head fixing frame. Background Art
[0002] During the PET examination, due to the long time, generally 30-40 minutes, patients with craniocerebral diseases including epilepsy, tumors, coma, Parkinson's disease, dementia, etc., have difficulty controlling limb movements and are prone to craniocerebral movement artifacts, which affect the image quality and examination results. Therefore, a head fixator is needed to assist in fixing the patient's head.
[0003] However, during use, the patient needs to undergo two PET scans, with an interval of 30 minutes between the two scans. During the two scans, the patient's brain is required to be marked in the same position on the examination bed. In the interval between the two scans, other patients will use the device, causing the parameters of the equipment to change according to different patients. At this time, when the patient is examined for the second time, it often requires multiple adjustments to place the patient's brain in the same position. This process will consume a lot of time and reduce the efficiency of the examination. Utility Model Content
[0004] The purpose of the utility model is to solve the problem that during use, the patient needs to undergo two PET scans, the interval between the two scans is 30 minutes, and during the two scans, the patient's skull and brain are required to be marked in the same position on the examination bed, and other patients may use the device in the interval between the two scans, so that the parameters of the device may change according to different patients. At this time, when the patient is examined for the second time, it often takes multiple debugging to put the patient's skull and brain in the same position. This process will cause a lot of time to be consumed, resulting in reduced examination efficiency. Therefore, an expandable scanning head fixing frame technology is proposed.
[0005] In order to achieve the above-mentioned objectives, the utility model adopts the following technical solutions: an expandable scanning head fixing frame, comprising a skull fixing seat and a standing bracket, an adjustable bracket structure is arranged between the skull fixing seat and the standing bracket, the bottom end of the standing bracket is fixedly connected to a base, the bottom of the skull fixing seat is provided with an anti-slip structure, the adjustable bracket structure comprises a first U-shaped frame, the bottom of the first U-shaped frame is fixedly connected to the top of the standing bracket, a first rotating rod is rotatably connected between the two sides of the inner wall of the first U-shaped frame, a first rotating block is fixedly connected to the outer surface of the first rotating rod, one end of the first rotating rod is fixedly connected to an operating round block, a fixing screw is inserted into the inner wall of the operating round block, one end of the fixing screw is fixedly connected to a rubber round block, an annular groove is opened on one side of the first U-shaped frame, and a rubber protrusion is fixedly connected to the inner wall of the annular groove.
[0006] The effect achieved by the above-mentioned components is: by setting an adjustable bracket structure, under the action of the first U-shaped frame and the internal components, the angle of the fixing cylinder can be adjusted, and then in conjunction with the sliding rod, its effective length can be adjusted, and then in conjunction with the cranial and brain fixing seat, the cranial and brain fixing seat can be adjusted to a suitable position and placed on the examination bed, and there are scale marks on the first U-shaped frame and the fixing cylinder, so that when the second inspection is carried out, it can be installed according to the scale, avoiding the waste of time caused by repeated comparison and improving the inspection efficiency, and by setting an anti-slip structure, under the action of the rectangular block and the rectangular slot, the rectangular rubber plate can be installed with the cranial and brain fixing seat, and then when the cranial and brain fixing seat is used, it will not slide easily, thereby causing inaccurate inspection, thereby improving the overall stability.
[0007] Preferably, the other end of the first rotating rod is fixedly connected to a dial, and one side of the first U-shaped frame is fixedly connected to a pointer below the dial.
[0008] The effect achieved by the above components is that the angle of the fixed cylinder on the first U-shaped frame can be adjusted and marked by setting the dial and the pointer.
[0009] Preferably, a fixing cylinder is fixedly connected to the outer surface of the first rotating block, a sliding rod is inserted into the inner wall of the fixing cylinder, and a threaded clamping rod is threadedly inserted into one side of the fixing cylinder.
[0010] The effect achieved by the above components is: by arranging the sliding rod and the fixing tube, the sliding rod can slide on the inner wall of the fixing tube and then be fixed under the action of the threaded clamping rod.
[0011] Preferably, a rectangular through groove is opened on one side of the fixed cylinder, the outer surface of the sliding rod is fixedly connected to a limiting rod, the limiting rod is slidably inserted in the inner wall of the rectangular through groove, and the outer surface of the fixed cylinder is provided with a horizontal scale at the edge of the rectangular through groove.
[0012] The effect achieved by the above components is: by setting the limit rod and the horizontal scale, the sliding rod will not rotate when sliding inside the fixed tube, and the horizontal scale can mark the adjusted length.
[0013] Preferably, a second U-shaped frame is fixedly connected to one side of the cranial fixation seat, the inner wall of the second U-shaped frame is rotatably connected to a second rotating rod, the outer surface of the second rotating rod is fixedly connected to a second rotating block, and the outer surface of the second rotating block is fixedly connected to one end of the sliding rod.
[0014] The effect achieved by the above components is that the angle of the cranial and brain fixing seat and the contact position with the examination bed can be adjusted by setting the second rotating rod and the second rotating block.
[0015] Preferably, the anti-slip structure comprises a rectangular slot provided at the bottom of the skull and brain fixing seat, the inner wall of the rectangular slot is clamped with a rectangular block, and the bottom of the outer surface of the rectangular block is fixedly connected with a rectangular rubber plate.
[0016] The effect achieved by the above components is that the rectangular rubber plate and the craniocerebral fixation seat can be disassembled and assembled by arranging the rectangular clamping block and the rectangular clamping slot.
[0017] Preferably, first circular grooves connected to the rectangular slots are provided on both sides of the cranial fixation seat, a second circular groove is provided on the inner wall of the rectangular block, connecting rods are inserted into the inner walls of the first and second circular grooves, and a cap is clamped at one end of the connecting rod.
[0018] The effect achieved by the above components is that by providing the first circular groove and the second circular groove, they can cooperate with the connecting rod to play the role of fixing the rectangular clamping block and the rectangular clamping groove.
[0019] In summary, the beneficial effects of the utility model are:
[0020] 1. By setting up an adjustable bracket structure, the angle of the fixing cylinder can be adjusted under the action of the first U-shaped frame and the internal components, and then in conjunction with the sliding rod, its effective length can be adjusted, and then in conjunction with the cranial fixation seat, the cranial fixation seat can be adjusted to a suitable position and placed on the examination bed, and there are scale marks on the first U-shaped frame and the fixing cylinder, so that during the second inspection, it can be installed according to the scale, avoiding the waste of time caused by repeated comparison and improving the inspection efficiency.
[0021] 2. By setting up the anti-slip structure, the rectangular rubber plate can be installed with the craniocerebral fixation seat under the action of the rectangular block and the rectangular slot, so that when the craniocerebral fixation seat is used, it will not slide easily, thereby causing inaccurate inspection, and improving the overall stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0023] Figure 2 It is a three-dimensional structural schematic diagram of the fixed cylinder of the utility model;
[0024] Figure 3 For this utility model Figure 2 The enlarged view of point A in the middle;
[0025] Figure 4 It is a schematic diagram of the three-dimensional structure of the first U-shaped frame of the utility model;
[0026] Figure 5 It is a schematic diagram of the three-dimensional structure of the cranial and brain fixing seat of the utility model;
[0027] Legend: 1. Cranial fixation seat; 2. Floor stand; 3. Base; 4. Adjustable support structure; 41. First U-shaped frame; 42. First rotating rod; 43. First rotating block; 44. Operating round block; 45. Annular groove; 46. Fixed screw; 47. Rubber round block; 48. Dial; 49. Pointer; 410. Fixed cylinder; 411. Sliding rod; 412. Rectangular through groove; 413. Limit rod; 414. Threaded clamping rod; 415. Horizontal scale; 416. Second U-shaped frame; 417. Second rotating rod; 418. Second rotating block; 5. Anti-slip structure; 51. Rectangular clamping groove; 52. Rectangular clamping block; 53. Rectangular rubber plate; 54. First circular groove; 55. Second circular groove; 56. Connecting rod; 57. Clamp cap. DETAILED DESCRIPTION
[0028] Reference Figure 1-5 As shown, the utility model provides a technical solution: an expandable scanning head fixing frame, including a cranial and brain fixing seat 1 and a standing bracket 2, an adjustable bracket structure 4 is arranged between the cranial and brain fixing seat 1 and the standing bracket 2, a base 3 is fixedly connected to the bottom end of the standing bracket 2, and an anti-slip structure 5 is arranged at the bottom of the cranial and brain fixing seat 1. The specific settings and functions of the adjustable bracket structure 4 and the anti-slip structure 5 are described in detail below.
[0029] Reference Figure 2 and Figure 3As shown, in this embodiment: the adjustable support structure 4 includes a first U-shaped frame 41, the bottom of the first U-shaped frame 41 is fixedly connected to the top of the standing support 2, a first rotating rod 42 is rotatably connected between the inner wall of the first U-shaped frame 41, a first rotating block 43 is fixedly connected to the outer surface of the first rotating rod 42, one end of the first rotating rod 42 is fixedly connected to an operating round block 44, a fixing screw 46 is inserted into the inner wall of the operating round block 44, one end of the fixing screw 46 is fixedly connected to a rubber round block 47, and an annular groove 45 is opened on one side of the first U-shaped frame 41. The inner wall of the U-shaped groove 45 is fixedly connected with a rubber protrusion, the other end of the first rotating rod 42 is fixedly connected with a dial 48, and a pointer 49 is fixedly connected to one side of the first U-shaped frame 41 below the dial 48. By setting the dial 48 and the pointer 49, the angle of the fixed cylinder 410 on the first U-shaped frame 41 can be adjusted and marked, and the outer surface of the first rotating block 43 is fixedly connected with the fixed cylinder 410, and the inner wall of the fixed cylinder 410 is inserted with a sliding rod 411, and one side of the fixed cylinder 410 is threadedly inserted with a threaded clamping rod 414. By setting the sliding rod The fixing tube 410 and the fixing tube 411 are connected to each other, so that the sliding rod 411 can slide on the inner wall of the fixing tube 410, and then be fixed under the action of the threaded clamping rod 414. A rectangular through groove 412 is provided on one side of the fixing tube 410. The outer surface of the sliding rod 411 is fixedly connected to the limiting rod 413. The limiting rod 413 is slidably inserted in the inner wall of the rectangular through groove 412. The outer surface of the fixing tube 410 is provided with a horizontal scale 415 at the edge of the rectangular through groove 412. By setting the limiting rod 413 and the horizontal scale 415, the sliding rod 411 can slide on the inner wall of the fixing tube 410. The cylinder 410 will not rotate when sliding inside, and the horizontal scale 415 can mark the adjusted length. A second U-shaped frame 416 is fixedly connected to one side of the skull and brain fixation seat 1, and the inner wall of the second U-shaped frame 416 is rotatably connected to a second rotating rod 417. The outer surface of the second rotating rod 417 is fixedly connected to a second rotating block 418. The outer surface of the second rotating block 418 is fixedly connected to one end of the sliding rod 411. By setting the second rotating rod 417 and the second rotating block 418, the angle of the skull and brain fixation seat 1 and the contact part of the examination bed can be adjusted.
[0030] Reference Figure 5As shown, in this embodiment: the anti-slip structure 5 includes a rectangular slot 51 opened at the bottom of the skull and brain fixing seat 1, the inner wall of the rectangular slot 51 is clamped with a rectangular block 52, and the outer surface bottom of the rectangular block 52 is fixedly connected with a rectangular rubber plate 53. By setting the rectangular block 52 and the rectangular slot 51, the rectangular rubber plate 53 and the skull and brain fixing seat 1 can be disassembled and assembled, and the skull and brain fixing seat 1 is provided with a first circular groove 54 connecting the rectangular slot 51 on both sides, and a second circular groove 55 is opened on the inner wall of the rectangular block 52. A connecting rod 56 is inserted into the inner wall of the first circular groove 54 and the second circular groove 55. One end of the connecting rod 56 is clamped with a clamping cap 57. By setting the first circular groove 54 and the second circular groove 55, it can cooperate with the connecting rod 56 to fix the rectangular block 52 and the rectangular slot 51.
[0031] Working principle: when in use, rotate the fixed cylinder 410 so that the first rotating block 43 can drive the first rotating rod 42 to rotate, and then drive the operating round block 44 and the scale plate 48 to rotate. When it is rotated to the appropriate position, the fixed screw 46 is rotated so that the rubber round block 47 can be fixed with the annular groove 45. At this time, the scale pointed by the pointer 49 is recorded. At this time, the sliding rod 411 is operated so that the sliding rod 411 slides on the inner wall of the fixed cylinder 410, and then the limiting rod 413 slides on the inner wall of the rectangular through groove 412. When it moves to the appropriate position, the fixed screw 46 is rotated so that the rubber round block 47 can be fixed with the annular groove 45. At this time, the scale pointed by the pointer 49 is recorded. At this time, the sliding rod 411 is operated so that the sliding rod 411 slides on the inner wall of the fixed cylinder 410, and then the limiting rod 413 slides on the inner wall of the rectangular through groove 412. After the position is reached, rotate the threaded clamping rod 414 to fix the sliding rod 411. At this time, rotate the skull and brain fixing seat 1, so that the second rotating block 418 and the second rotating rod 417 are rotated, so that the skull and brain fixing seat 1 is fixed to the examination bed. When anti-slip is required, the rectangular clamping block 52 is inserted into the rectangular clamping groove 51, so that the first circular groove 54 is aligned with the second circular groove 55. At this time, insert the connecting rod 56 into the first circular groove 54 and the second circular groove 55, and fix the clamping cap 57 to the connecting rod 56. At this time, the rectangular rubber plate 53 can play an anti-slip role.
[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
Claims
1. An expandable scanning head fixing frame, comprising a cranial and brain fixing seat (1) and a floor-standing bracket (2), characterized in that: An adjustable support structure (4) is arranged between the cranial and brain fixing seat (1) and the standing support (2); the bottom end of the standing support (2) is fixedly connected to a base (3); the bottom of the cranial and brain fixing seat (1) is provided with an anti-slip structure (5); the adjustable support structure (4) comprises a first U-shaped frame (41); the bottom of the first U-shaped frame (41) is fixedly connected to the top of the standing support (2); a first rotating rod (42) is rotatably connected between the two sides of the inner wall of the first U-shaped frame (41); a first rotating block (43) is fixedly connected to the outer surface of the first rotating rod (42); one end of the first rotating rod (42) is fixedly connected to an operating round block (44); a fixing screw (46) is inserted into the inner wall of the operating round block (44); one end of the fixing screw (46) is fixedly connected to a rubber round block (47); an annular groove (45) is provided on one side of the first U-shaped frame (41); a rubber protrusion is fixedly connected to the inner wall of the annular groove (45).
2. The expandable scanning head fixing frame according to claim 1, characterized in that: The other end of the first rotating rod (42) is fixedly connected to a dial (48), and one side of the first U-shaped frame (41) is located below the dial (48) and is fixedly connected to a pointer (49).
3. The expandable scanning head fixing frame according to claim 1, characterized in that: A fixing cylinder (410) is fixedly connected to the outer surface of the first rotating block (43), a sliding rod (411) is inserted into the inner wall of the fixing cylinder (410), and a threaded clamping rod (414) is threadedly inserted into one side of the fixing cylinder (410).
4. The expandable scanning head fixing frame according to claim 3, characterized in that: A rectangular through slot (412) is provided on one side of the fixed cylinder (410); a limiting rod (413) is fixedly connected to the outer surface of the sliding rod (411); the limiting rod (413) is slidably inserted into the inner wall of the rectangular through slot (412); and a horizontal scale (415) is provided on the outer surface of the fixed cylinder (410) at the edge of the rectangular through slot (412).
5. The expandable scanning head fixing frame according to claim 3, characterized in that: A second U-shaped frame (416) is fixedly connected to one side of the cranial fixation seat (1); the inner wall of the second U-shaped frame (416) is rotatably connected to a second rotating rod (417); the outer surface of the second rotating rod (417) is fixedly connected to a second rotating block (418); and the outer surface of the second rotating block (418) is fixedly connected to one end of the sliding rod (411).
6. The expandable scanning head fixing frame according to claim 1, characterized in that: The anti-slip structure (5) comprises a rectangular slot (51) provided at the bottom of the cranial and brain fixing seat (1), a rectangular block (52) being clamped on the inner wall of the rectangular slot (51), and a rectangular rubber plate (53) being fixedly connected to the bottom of the outer surface of the rectangular block (52).
7. The expandable scanning head fixing frame according to claim 6, characterized in that: The two sides of the cranial fixation seat (1) are provided with first circular grooves (54) connected to the rectangular clamping groove (51); the inner wall of the rectangular clamping block (52) is provided with a second circular groove (55); the inner walls of the first circular groove (54) and the second circular groove (55) are provided with connecting rods (56); one end of the connecting rod (56) is clamped with a clamping cap (57).