Arm support frame for CT (Computed Tomography) image examination
By designing an arm support frame for CT imaging examinations, and utilizing the linkage and meshing transmission components between the adjustable frame and the arm support, the problem of difficulty in adjusting the patient's arm posture is solved. This achieves stable support and multi-angle adjustment of the arm, improving examination efficiency and patient comfort.
Patent Information
- Application Number
- CN202422807399.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2034-11-18
AI Technical Summary
During CT scans, patients' arms need to be kept in a fixed position, which is difficult to adjust, affects examination efficiency, and causes patient discomfort. Current technology is not good at effectively supporting and adjusting the position of the arm.
A CT imaging arm support frame was designed, including an adjustable frame and an arm support frame. The arm's pitch and rotation angles are adjusted through a linkage transmission assembly and a meshing transmission assembly. Combined with a central processing unit controlling the motor drive, the arm can be stably supported and adjusted at multiple angles.
It provides stable support for the arm and flexible angle adjustment, reducing patient discomfort, improving examination efficiency and ease of adjustment, and meeting different examination needs.
Smart Images

Figure CN223773788U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of image inspection, specifically to a CT image inspection arm support frame. BACKGROUND
[0002] CT inspection is a kind of modern advanced medical image inspection technology, generally including plain CT, enhanced CT scanning and cistern contrast CT, which is to scan the layer of certain thickness of human body by X-ray beam, the X-ray that passes through the layer is received by detector, is converted into visible light, then is converted into electric signal by photoelectric conversion, and is converted into digit by analog / digital converter, and is input into computer processing, and in practical use, CT is mostly used in limb fracture, especially arm fracture, and when CT inspection is carried out, patients need to place the affected arm at the detection place of CT instrument, then the machine automatically carries out image scanning, this process needs patients to maintain a certain posture, and patients are very inconvenient, and in the detection process, patients need to constantly adjust the arm posture, and patients are difficult to adjust themselves, and the adjustment efficiency of medical staff is low, therefore, the CT image inspection arm support frame is provided. UTILITARY MODEL
[0003] The utility model discloses a kind of CT image inspection arm support frame, and the arm support of being realized by the adjusting frame body and arm bracket body of being set, alleviate the discomfort of the posture of being maintained by examinee while, and realize the pitch adjustment and the rotation angle adjustment after arm fixation, satisfy different examination requirements in examination.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of CT image inspection arm support frame, comprising: adjusting frame body and arm bracket body;Wherein, the adjusting frame body includes card seat component;And be arranged on card seat component and be used to adjust the connecting rod transmission assembly of the pitch angle of arm bracket body;The arm bracket body includes mounting seat;Fixed seat is arranged on the mounting seat, and movable seat is arranged on the fixed seat, and it is used to support arm;It further includes meshing transmission assembly installed between the fixed seat and movable seat, and the meshing transmission assembly is used to adjust the rotation angle of movable seat, to adjust the angle of arm rotation of examinee.
[0005] Preferably, the card seat component includes slide rail, and slide block is arranged in the slide rail, and the connecting rod transmission assembly is arranged on the slide block;And U-shaped frame is arranged at one end of the slide rail;It further includes screw rod arranged in the threaded hole opened in the top of the U-shaped frame, wherein the one end of the screw rod towards the bottom of the U-shaped frame is fixed with pressing plate, and the one end away from the bottom of the U-shaped frame is fixed with nut.
[0006] Preferably, the connecting rod transmission assembly comprises a guide rail, a sliding groove sliding block structure and a transmission rod structure arranged in the middle and upper part of the guide rail; the transmission rod structure comprises a transmission frame rotatably connected to the top side wall of the guide rail, the transmission frame is rotatably connected with a transmission frame and a transmission bar through a pin shaft arranged at the end of the transmission frame, one end of the transmission bar away from the pin shaft penetrates the transmission frame and is hingedly connected with the end of a connecting frame arranged in the mounting seat; the first connecting rod and the second connecting rod are rotatably connected to the end of the transmission frame away from the transmission frame, and the ends of the first connecting rod and the second connecting rod away from the transmission frame are rotatably connected with the transmission bar and the middle part of the connecting frame; and a first driving motor is arranged in the side wall of the transmission frame, and the output shaft of the first driving motor penetrates the mounting hole formed in the side wall of the transmission frame and is fixed with one of the pin shafts.
[0007] Preferably, the sliding groove sliding block structure comprises a transmission block arranged in the guide rail; a long slot formed in the side wall of the guide rail; a fastener arranged in the long slot, which is used for position locking of the transmission block when the fastener penetrates the long slot and is threadedly connected with the threaded hole formed in the side wall of the transmission block; and a transmission component arranged between the transmission block and the transmission frame, the transmission component is composed of a rod body and two hinged pieces at both ends of the rod body, and the two hinged pieces are connected with the middle part of the transmission block and the transmission frame respectively.
[0008] Preferably, the meshing transmission assembly comprises an arc-shaped slot formed in the inner edge of the fixed seat and a ring-shaped frame slidingly installed in the arc-shaped slot, the ring-shaped frame is fixed with the movable seat and is provided with a mounting slot, and a gear ring is arranged in the mounting slot; an installation plate is arranged in the side wall of the mounting seat, and a second driving motor is arranged in the side wall of the installation plate, the transmission gear fixed at the output end of the second driving motor penetrates into the mounting slot and meshes with the gear ring.
[0009] Preferably, the movable seat is semicircular in cross section and is provided with a plurality of belts.
[0010] Preferably, the side wall near the top of the guide rail is further provided with a central processing unit, and a controller is arranged in the side wall of the central processing unit and connected with the central processing unit through a wire.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0012] The arm support bracket body and the adjusting frame body are respectively used for realizing arm support of an examiner and angle adjustment after support, the adjusting frame body is composed of a clamping seat component and a connecting rod transmission assembly, the clamping seat component can be assembled with an examination bed body, the connecting rod transmission assembly is arranged on the clamping seat component and connected with the arm support bracket body, and is used for realizing angle adjustment in a pitching direction of the arm support bracket body, so that position adjustment of the arm of the examiner is met; and the fixed seat and the movable seat of the arm support bracket body are used for realizing arm support, and the meshing transmission assembly arranged between the fixed seat and the movable seat further realizes the pronation and supination angle of the arm in the movable seat by adjusting the rotation angle of the movable seat, so that the position adjustment requirement of the arm during CT image examination is met. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a first perspective three-dimensional structure schematic view of the utility model;
[0014] Figure 2 It is a second perspective three-dimensional structure schematic view of the utility model;
[0015] Figure 3 It is a third perspective three-dimensional structure schematic view of the utility model;
[0016] Figure 4 It is a side view structure schematic view of the utility model;
[0017] Figure 5 It is a partial enlarged structure schematic view of Figure 2
[0018] Figure 6 It is an enlarged structure schematic view of the arm support bracket body.
[0019] In the drawing: 1, adjusting frame body; 101, sliding rail; 102, sliding block; 103, L-shaped frame; 104, screw rod; 105, pressing plate; 106, nut; 2, guide rail; 3, long groove; 4, transmission block; 5, fastener; 6, transmission component; 601, rod body; 602, hinged piece; 7, transmission rod structure; 701, transmission frame; 703, transmission frame; 704, first connecting rod; 705, transmission bar; 706, second connecting rod; 707, mounting seat; 708, first driving motor; 709, connecting frame; 711, pin shaft; 8, arm support bracket body; 801, fixed seat; 802, movable seat; 803, bandage; 804, annular frame; 805, gear ring; 806, mounting plate; 807, second driving motor; 808, transmission gear; 9, central processing unit; 10, wire; 11, controller. DETAILED DESCRIPTION
[0020] In the description of the utility model, it is understood that the directions or position relations indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are the directions or position relations shown based on the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. The embodiments of the utility model will be described in detail below with reference to the drawings.
[0021] Please refer to Figures 1 to 6 The utility model preferably provides technical schemes: a hand arm support frame for CT image examination, comprising: adjusting frame body 1 and arm bracket body 8;Wherein, adjusting frame body 1 includes card seat component;And the connecting rod transmission assembly for adjusting the pitch angle of arm bracket body 8 is arranged on the card seat component;Arm bracket body 8 includes mounting seat 707;Fixed seat 801 is arranged on mounting seat 707, and movable seat 802 is arranged on fixed seat 801, and is used to support arm;Still include the meshing transmission assembly installed between fixed seat 801 and movable seat 802, and the meshing transmission assembly is used to adjust the rotation angle of movable seat 802, to adjust the angle of arm rotation of examinee.
[0022] The arm bracket body 8 and the adjusting frame body 1 in the application are respectively used to realize the arm support of examinee and the angle adjustment after support, and the specific combination is shown in Figure 1 、 2 , 3, the adjusting frame body 1 is composed of card seat component and connecting rod transmission assembly, wherein the card seat component can be assembled with examination bed body, and the connecting rod transmission assembly is arranged on the card seat component and is connected with arm bracket body 8, to realize the angle adjustment in the pitch direction of arm bracket body 8, to meet the position adjustment of examinee's arm;
[0023] And the fixed seat 801 and movable seat 802 of arm bracket body 8 realize arm support, and the meshing transmission assembly installed between the fixed seat 801 and movable seat 802 further realizes the rotation angle of movable seat 802, realizes the rotation angle of arm in movable seat 802, to meet the position adjustment requirement of arm during CT image examination;
[0024] The adjusting frame body 1 and arm bracket body 8 are arranged in the application, the arm of examinee is supported, the discomfort caused by the examination posture of examinee is reduced, and the pitch adjustment and rotation angle adjustment after arm fixation are realized, to meet different examination requirements in examination.
[0025] Further, the card seat part includes a slide rail 101, a slide block 102 arranged in the slide rail 101, a connecting rod transmission assembly arranged on the slide block 102, and a U-shaped frame 103 arranged at one end of the slide rail 101; and further includes a threaded hole arranged at the top of the U-shaped frame 103, and a screw rod 104 arranged in the threaded hole, wherein one end of the screw rod 104 fixed to the bottom of the U-shaped frame 103 is provided with a pressing plate 105, and the other end of the screw rod 104 fixed to the bottom of the U-shaped frame 103 is provided with a nut 106.
[0026] Here, the slide block 102 is slidingly arranged in the slide rail 101, and the slide block 102 and the connecting rod transmission assembly arranged on the slide block 102 are adjusted in the transverse direction, as shown in Figure 1 、 2 , and 3, so that the slide block 102 and the connecting rod transmission assembly arranged on the slide block 102 are adjusted in the transverse direction, and the U-shaped frame 103 arranged at one end of the slide rail 101 is clamped on the bed frame of the examination bed body and fixed by screwing the nut 106, which can realize the portable installation and wide application range of the device.
[0027] Further, the connecting rod transmission assembly includes a guide rail 2, a sliding groove sliding block structure and a transmission rod structure 7 arranged at the middle and upper portions of the guide rail 2; wherein the transmission rod structure 7 includes a transmission frame 701 rotatably connected to the top side wall of the guide rail 2, and the transmission frame 701 is rotatably connected with a transmission frame 703 and a transmission bar 705 through a pin shaft 711 arranged at the end of the transmission frame 701, wherein one end of the transmission bar 705 away from the pin shaft 711 penetrates through the transmission frame 703 and is hingedly connected with an end of a connecting frame 709 arranged in a mounting seat 707; further includes a first connecting rod 704 and a second connecting rod 706 rotatably connected to one end of the transmission frame 703 away from the transmission frame 701, and the ends of the first connecting rod 704 and the second connecting rod 706 away from the transmission frame 703 are rotatably connected with the transmission bar 705 and the middle portion of the connecting frame 709, respectively; and a first driving motor 708 arranged on the side wall of the transmission frame 701, wherein an output shaft of the first driving motor 708 penetrates through a mounting hole arranged on the side wall of the transmission frame 701 and is fixed with one of the pin shafts 711; further, the sliding groove sliding block structure includes a transmission block 4 arranged in the guide rail 2; and a long slot 3 arranged on the side wall of the guide rail 2; further includes a fastener 5 arranged in the long slot 3, which is used for locking the position of the transmission block 4 when the fastener 5 penetrates through the long slot 3 and is threadedly connected with a threaded hole arranged on the side wall of the transmission block 4; and a transmission component 6 arranged between the transmission block 4 and the transmission frame 701, which is composed of a rod body 601 and two hinged pieces 602 arranged at the two ends of the rod body 601, wherein the two hinged pieces 602 are connected with the middle portions of the transmission block 4 and the transmission frame 701, respectively.
[0028] In combination with Figures 1-4As shown, the sliding block structure and the transmission rod structure 7 are respectively arranged at the middle and top side wall of the guide rail 2, and the sliding block structure can realize large-range pitching deflection of the transmission rod structure 7 and the arm bracket body 8 on the transmission rod structure 7, and the transmission rod structure 7 further realizes fine adjustment of the pitching angle of the arm bracket body 8, so as to increase the angle adjustment range of the device and improve the practicability.
[0029] Specifically, the transmission frame 701 where the transmission rod assembly is located is combined with Figure 5 The two ends of the transmission frame 703 and the transmission bar 705 are rotationally connected and cross-distributed, and the ends of the transmission frame 703 and the transmission bar 705 away from the transmission frame 701 are respectively connected with the connecting frame 709 and the first connecting rod 704 and the second connecting rod 706 inside the mounting seat 707, and the ends of the first connecting rod 704 and the transmission bar 705 away from the transmission frame 703 are respectively rotationally connected with the middle part of the transmission bar 705 and the connecting frame 709, so that when the transmission frame 703 pitches and swings by the power provided by the first driving motor 708, the mounting seat 707 moves away from or approaches the transmission frame 701, the expansion and storage of the transmission rod assembly are completed, and the pitching adjustment of the arm bracket body 8 is further realized.
[0030] Since the two hinged parts 602 where the transmission part 6 is located are respectively connected with the transmission frame 701 and the transmission block 4, when the position of the transmission block 4 inside the guide rail 2 is adjusted, the pitching angle of the entire transmission rod structure 7 is further realized.
[0031] Further, the meshing transmission assembly includes an arc-shaped groove opened in the inner edge of the fixed seat 801 and a ring-shaped frame 804 limitingly and slidingly installed inside the arc-shaped groove, wherein the ring-shaped frame 804 is fixed with the movable seat 802 and is provided with a mounting groove, and a gear ring 805 is arranged in the mounting groove; the assembly further includes a mounting plate 806 arranged on the side wall of the mounting seat 707, and a second driving motor 807 arranged on the side wall of the mounting plate 806, and a transmission gear 808 fixed on the output end of the second driving motor 807 extends into the mounting groove and meshes with the gear ring 805.
[0032] It is worth noting that, as shown in Figure 2 , 6 The ring-shaped frame 804 is embedded in the arc-shaped groove opened in the inner edge of the fixed seat 801, and is fixed with the movable seat 802, and the gear ring 805 arranged in the mounting groove opened on the ring-shaped frame 804 meshes with the transmission gear 808 fixed on the output end of the second driving motor 807, so that when the second driving motor 807 operates, the rotation of the ring-shaped frame 804 is realized, and the angle adjustment of the movable seat 802 is further realized, which is synonymous with the pronation and supination of the arm.
[0033] Further, the movable seat 802 is semicircular in cross section and is provided with a plurality of binding belts 803, which are combined with Figure 6 to facilitate the fixation of the examiner's arm.
[0034] Further, the side wall near the top of the guide rail 2 is also provided with a central processing unit 9, and the control line 10 connected with the central processing unit 9 through the controller 11 arranged on the side wall of the central processing unit 9.
[0035] In combination Figure 2 As shown in the figure, the central processing unit 9 is a mature technology, and will not be described here. In the present application, the central processing unit 9 can be used as a control structure of the first driving motor 708 where the transmission rod structure 7 is located and the second driving motor 807 where the meshing transmission assembly is located. The control line 10 is the operating end of the central processing unit 9, and the operator can realize the operation control of the first driving motor 708 and the second driving motor 807 through the control line 10, thereby realizing the deployment of the device.
[0036] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, and there are many ways for detachable installation, for example, it can be connected through the cooperation of plug-in and buckle, and for example, it can be connected through the screw connection.
[0037] The above embodiments are only used to further illustrate the present application, and cannot be understood as limiting the protection scope of the present application. The skilled in the art can make some non-essential improvements and adjustments to the present application according to the content of the above application, and all fall within the protection scope of the present application.
Claims
1. An arm support for CT imaging, characterized by, The adjusting frame body (1) and the arm support body (8) are included. The adjusting frame body (1) includes a clamping seat component. A connecting rod transmission assembly is arranged on the clamping seat component to adjust the pitch angle of the arm support body (8). The arm support body (8) includes a mounting seat (707). A fixed seat (801) is arranged on the mounting seat (707), and a movable seat (802) is arranged on the fixed seat (801) to support the arm. An engagement transmission assembly is further arranged between the fixed seat (801) and the movable seat (802), and the engagement transmission assembly is used to adjust the rotation angle of the movable seat (802) to adjust the pronation and supination angle of the examiner's arm.
2. The arm support frame for CT image examination according to claim 1, wherein the clamping seat component includes a sliding rail (101), a sliding block (102) arranged in the sliding rail (101), and the connecting rod transmission assembly is arranged on the sliding block (102). A U-shaped frame (103) is arranged at one end of the sliding rail (101). A screw rod (104) is further arranged in a threaded hole opened at the top of the U-shaped frame (103), wherein one end of the screw rod (104) towards the bottom of the U-shaped frame (103) is fixed with a pressing plate (105), and the other end away from the bottom of the U-shaped frame (103) is fixed with a nut (106).
3. The arm support frame for CT image examination according to claim 1, wherein the connecting rod transmission assembly includes a guide rail (2), a sliding groove sliding block structure and a transmission rod structure (7) arranged in the middle and upper part of the guide rail (2). The transmission rod structure (7) includes a transmission frame (701) rotatably connected near the top side wall of the guide rail (2), the transmission frame (701) is rotatably connected with a transmission frame (703) and a transmission bar (705) through a pin shaft (711) arranged at the end thereof, wherein one end of the transmission bar (705) away from the pin shaft (711) penetrates the transmission frame (703) and is hingedly connected with an end of a connecting frame (709) arranged in the mounting seat (707). A first connecting rod (704) and a second connecting rod (706) are further rotatably connected at one end of the transmission frame (703) away from the transmission frame (701), and the other end of the first connecting rod (704) and the second connecting rod (706) away from the transmission frame (703) is rotatably connected with the transmission bar (705) and the middle part of the connecting frame (709) respectively. A first drive motor (708) is arranged on the side wall of the transmission frame (701), and the output shaft of the first drive motor (708) penetrates the mounting hole opened in the side wall of the transmission frame (701) and is fixed with one of the pin shafts (711).
4. The arm support frame for CT image examination according to claim 3, wherein the sliding groove sliding block structure includes a transmission block (4) arranged in the guide rail (2). A long slot (3) is arranged in the side wall of the guide rail (2). Also include the fastener (5) is built in the long groove (3), when the fastener (5) passes through the long groove (3) and is connected with the thread hole of the side wall of the transmission block (4) threadedly, for the position locking of the transmission block (4); And the transmission part (6) arranged between the transmission block (4) and the transmission frame (701), the transmission part (6) is composed of a rod body (601), and two hinged pieces (602) at both ends of the rod body (601), wherein the two hinged pieces (602) are connected with the middle part of the transmission block (4) and the transmission frame (701) respectively.
5. The arm support frame for CT image examination according to claim 1, wherein: The engagement transmission assembly comprises an arc-shaped slot formed in the inner edge of the fixed seat (801), and a ring-shaped frame (804) limitingly and slidingly installed in the arc-shaped slot, wherein the ring-shaped frame (804) is fixed with the movable seat (802) and is provided with an installation slot, and the installation slot is provided with a gear ring (805). Further comprising an installation plate (806) arranged on the side wall of the installation seat (707), and a second driving motor (807) arranged on the side wall of the installation plate (806), wherein the transmission gear (808) fixed on the output end of the second driving motor (807) extends into the installation slot and engages with the gear ring (805).
6. The arm support frame for CT image examination according to claim 1, wherein: The movable seat (802) is semicircular in cross section and is provided with a plurality of binding belts (803).
7. The arm support frame for CT image examination according to claim 1, wherein: The side wall near the top of the guide rail (2) is further provided with a central processing unit (9), and the control line (10) connected with the central processing unit (9) is arranged on the side wall of the central processing unit (9).