Head fixing device for magnetic resonance examination
By designing a head fixing device for magnetic resonance examination with automatic cleaning and ear occlusion functions, the hygiene problems of existing devices and insufficient ear occlusion are solved, and the accuracy of the examination and patient comfort are improved.
Patent Information
- Application Number
- CN202411766739.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-03-04
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing head fixing device for magnetic resonance examination is prone to contamination of debris after long-term use, and is not hygienic enough to effectively cover the patient's ears, which may cause fear and tremor in children and affect the test results.
A head fixing device for magnetic resonance inspection including a mounting member and a clamping member is designed. The mounting member realizes cleaning function through a movable groove and a support member, and the clamping member realizes ear occlusion and fixing functions through a side plate and a screw.
Automatic cleaning of head fixation devices is achieved, hygiene standards are maintained, and equipment noise is reduced by blocking the ears, improving the patient's examination experience and accuracy of results.
Smart Images

Figure CN119548118A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of medical instruments, and in particular to a head fixing device for magnetic resonance examination. Background Art
[0002] When a patient is undergoing an MRI scan, the examination part is required to be relatively still. If there is any slight shaking, it will easily cause image artifacts during MRI imaging, affecting the image quality and the accuracy of the examination results, thereby affecting the patient's treatment. Therefore, when the patient undergoes an MRI examination of the head, the head needs to be fixed with the help of a fixing device to avoid affecting the examination results due to movement.
[0003] For example, application number: CN202120796716.2 involves a head fixer for nuclear magnetic resonance imaging, including a fixing seat, a groove, a headrest cushion, an outer cover shell, a head fixing device and an upper fixing component, the groove is embedded in the top wall of the fixing seat, the groove is an inwardly concave arc structure, the headrest cushion is arranged in the groove, the outer cover shell is arranged on the top wall of the fixing seat, the outer cover shell is open on one side and the top end is an outwardly convex arc structure, the head fixing device is arranged in the outer cover shell, and the upper fixing component is arranged under the top wall of the outer cover shell. The utility model belongs to the field of medical equipment technology, specifically refers to a head fixer for nuclear magnetic resonance imaging with a simple structure and good fixing effect, and at the same time improves the comfort when fixing the patient's head.
[0004] However, there are some shortcomings in the current design of magnetic resonance head fixation devices. First of all, as a public medical device, magnetic resonance imaging may be used by hundreds of patients a day. After long-term use, the head fixation device may be contaminated with hair and other debris, and medical staff cannot wipe and clean it in time, resulting in the head fixation device being unhygienic to use. The existing head fixation device only fixes the head and does not cover the patient's ears. When some child patients use it, they may feel fear when they hear the sound of the device starting up, and then shake unconsciously, which will affect the test results. Summary of the invention
[0005] In response to the above problems, one purpose of the present application is to remedy these shortcomings, and more specifically to provide a head fixation device for magnetic resonance examination, which can facilitate the cleaning of the head fixation device, thereby promoting the hygiene standards of the head fixation device, and can also cover the ears during use to reduce the sound emitted by the equipment heard by the patient.
[0006] In a first aspect of the present disclosure, a head fixing device for magnetic resonance examination is provided, which specifically includes: a mounting member; the mounting member includes a main body and a movable groove, and the two ends of the front side of the main body are wedge-shaped; the movable groove is opened at positions opposite to the two ends of the front side of the main body; a supporting member is provided on the mounting member, and a support seat of the supporting member is provided at the inner end of the front side of the main body, and a side rod at the outer end of the supporting seat is slidably matched with the movable groove through a lead screw; two groups of clamping members are provided on the mounting member, and a frame of the clamping member is provided on the inner side of a side plate at the upper end of the main body, and a screw at the outer end of the frame is threadedly connected to the side plate, and a rotating roller in the frame is transmission-connected to a support belt in the main body.
[0007] Preferably, the mounting component comprises: an inner groove and a slide groove; the inner groove is arranged at the inner end of the main body, and the inner groove runs through both sides of the lower end and the upper end of the main body; the slide groove is symmetrically arranged at both sides of the inner groove.
[0008] Preferably, the mounting component comprises: a bottom groove and a limiting rod; the bottom groove is symmetrically arranged at the middle position of the bottom of the main body; and the limiting rod is arranged at the middle position of the bottom groove.
[0009] Preferably, the mounting component includes: a brush plate and a fixing hole; the brush plate is located at the lower end of the main body, and both ends of the brush plate are located in the bottom groove, and bristles are provided on the upper end surface of the brush plate; the fixing holes are symmetrically opened on both sides of the brush plate, and the fixing holes are plug-fitted with the limiting rod.
[0010] Preferably, the mounting components include: side plates, movable rollers and a support belt; the side plates are symmetrically arranged on both sides of the upper end of the main body, and threaded through holes are opened inside the side plates; the movable rollers are symmetrically arranged at both ends of the inner groove, and the two ends of the movable rollers are slidably matched with the slide grooves through elastic parts; the support belt is arranged on the inner side of the main body, and the support belt passes through the inner groove, the support belt is transmission-connected to the movable roller, and the bottom of the support belt is in contact with the bristles on the brush plate.
[0011] Preferably, the supporting member comprises: a supporting seat and side rods; a circular insertion hole is provided on the front side of the supporting seat; and the side rods are symmetrically arranged on both sides of the outside of the supporting seat.
[0012] Preferably, the supporting member comprises: a slot and an insertion rod; the slot is vertically opened at the inner end of the supporting seat; the insertion rod is inserted into the insertion hole on the front side of the supporting seat, and the insertion rod passes through the slot.
[0013] Preferably, the supporting member comprises: a supporting rod and a positioning hole; the supporting rod is arranged at the upper end of the supporting seat, and the rectangular plate-like structure at the bottom of the supporting rod is inserted into the slot; the positioning holes are equidistantly arranged in the rectangular plate-like structure at the lower end of the supporting rod.
[0014] Preferably, the clamping member comprises: a frame body and a screw rod; the frame body is a U-shaped structure; and the screw rod is rotatably mounted on the outer end of the frame body.
[0015] Preferably, the clamping member comprises: a roller and a control panel; the roller is rotatably mounted on the inner side of the frame, and both ends of the roller penetrate the frame; the control panel is fixedly mounted on both sides of the roller.
[0016] The present invention provides a head fixing device for magnetic resonance examination, which has the following beneficial effects: 1. The present invention provides an installation component and a clamping component, movably installs a movable roller in the inner groove of the main body, movably installs a frame on the side plate at the upper end of the main body, and rotatably installs a rotating roller in the frame, installs the support belt to the inner side of the main body, and makes the support belt, the rotating roller and the movable roller transmission connected, inserts a brush plate at the bottom of the main body, and makes the bristles on the upper end of the brush plate contact with the support belt. Before the next patient uses it, the control panel is rotated to make the rotating roller drive the support belt to rotate, so that the side of the support belt contacting the patient's head moves to the inner end of the main body, and when passing through the brush plate, the bristles can automatically wipe and clean the support belt, without manual cleaning, and can keep the area where the support belt contacts the patient's head clean.
[0017] 2. The present invention sets a clamping component, installs side panels on both sides of the main body, sets the frame to the inner side of the side panel, connects the screw at the outer end of the frame to the side panel threadedly, and passes the support belt over the roller inside the frame. When the patient needs to undergo a head examination, the patient needs to put the head on the middle position of the upper end of the fixing belt, and the side panels are on both sides of the ears. Then, by rotating the screw, the frame pushes the support belt to the middle through the roller until the roller is pressed against the outer end of the patient's ear through the support belt. In this way, the patient's head can be fixed and the support belt can be fitted to the outer end of the ear, thereby reducing the transmission of detection noise, so that the patient can complete the MRI examination more smoothly. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The following drawings will provide a better understanding of the present disclosure and more clearly demonstrate the advantages of the present disclosure. The drawings described herein are for illustrative purposes only of selected embodiments, not all possible implementations, and are not intended to limit the scope of the present disclosure.
[0019] In the attached picture: Figure 1 A schematic diagram of a three-dimensional structure according to an embodiment of the present invention is shown.
[0020] Figure 2 A schematic diagram of a decomposed structure according to an embodiment of the present invention is shown.
[0021] Figure 3 A bottom view structural schematic diagram according to an embodiment of the present invention is shown.
[0022] Figure 4 A schematic diagram of the transverse cross-sectional structure according to an embodiment of the present invention is shown.
[0023] Figure 5 A schematic diagram of the connection structure of the mounting member and the supporting member according to an embodiment of the present invention is shown.
[0024] Figure 6 A schematic cross-sectional structure diagram of a support member according to an embodiment of the present invention is shown.
[0025] Figure 7 A schematic diagram of a longitudinal cross-sectional structure according to an embodiment of the present invention is shown.
[0026] Figure 8 A schematic diagram of a half-section structure according to an embodiment of the present invention is shown.
[0027] Reference numerals list 1. Install components; 101, main body; 1011, movable slot; 102, inner groove; 1021, slide groove; 103, bottom groove; 1031, limit rod; 104, brush plate; 1041, fixing hole; 105, side plate; 106, movable roller; 107, supporting belt; 2. Supporting components; 201, support seat; 2011, side rod; 202, slot; 2021, plug rod; 203, support rod; 2031, positioning hole; 3. Clamping components; 301, frame; 3011, screw; 302, roller; 3021, control panel. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment 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.
[0029] Example 1: Please refer to Figures 1 to 8 As shown: The present invention provides a head fixing device for magnetic resonance examination, comprising: a mounting component 1; the mounting component 1 comprises a main body 101 and a movable groove 1011, and the two ends of the front side of the main body 101 are wedge-shaped; the movable groove 1011 is arranged at positions opposite to the two ends of the front side of the main body 101; a supporting component 2 is arranged on the mounting component 1, a supporting seat 201 of the supporting component 2 is arranged at the inner end of the front side of the main body 101, and a side rod 2011 at the outer end of the supporting seat 201 is slidably matched with the movable groove 1011 through a lead screw; two groups of clamping components 3 are arranged on the mounting component 1, a frame 301 of the clamping component 3 is arranged on the inner side of a side plate 105 at the upper end of the main body 101, and a screw 3011 at the outer end of the frame 301 is threadedly connected to the side plate 105, and a roller 302 in the frame 301 is transmission-connected to a supporting belt 107 in the main body 101.
[0030] As the second embodiment of the present application, based on the first embodiment, Figure 4 , 7 As shown in Figure 8, the mounting member 1 includes: an inner groove 102 and a slide groove 1021; the inner groove 102 is arranged at the inner end of the main body 101, and the inner groove 102 passes through the lower end and both sides of the upper end of the main body 101; the slide groove 1021 is symmetrically arranged at both sides of the inner groove 102; a bottom groove 103 and a limiting rod 1031; the bottom groove 103 is symmetrically arranged at the middle position of the bottom of the main body 101; the limiting rod 1031 is arranged at the middle position of the bottom groove 103; a brush plate 104 and a fixing hole 1041; the brush plate 104 is at the lower end of the main body 101, and both ends of the brush plate 104 are in the bottom groove 103, and the upper end surface of the brush plate 104 is provided with bristles; the fixing hole 104 1 are symmetrically arranged on both sides of the brush plate 104, and the fixing hole 1041 is plugged and matched with the limiting rod 1031; the side plate 105, the movable roller 106 and the supporting belt 107; the side plate 105 is symmetrically arranged on both sides of the upper end of the main body 101, and a threaded through hole is opened inside the side plate 105; the movable roller 106 is symmetrically arranged at both ends of the inner groove 102, and the two ends of the movable roller 106 are slidably matched with the slide groove 1021 through an elastic member; the supporting belt 107 is arranged on the inner side of the main body 101, and the supporting belt 107 passes through the inner groove 102, the supporting belt 107 is transmission-connected with the movable roller 106, and the bottom of the supporting belt 107 is in contact with the bristles on the brush plate 104.
[0031] The present application provides a rectangular main body 101, so that the patient can lie his head flat on the main body 101 made of engineering plastic material for MRI examination; a rectangular movable groove 1011 is provided, and the support seat 201 can be movably installed at the front end of the main body 101 by movably matching the movable groove 1011 with the side rod 2011; a rectangular inner groove 102 is provided, and movable rollers 106 can be movably installed at both ends of the inner groove 102; a rectangular slide groove 1021 is provided, and the sliding installation of the movable roller 106 in the inner groove 102 is realized by slidably matching the slide groove 1021 with the movable roller 106; a rectangular bottom groove 103 is provided, and the brush plate 104 can be fixed at the lower end of the main body 101 by snapping the brush plate 104 into the two ends of the bottom groove 103; a cylindrical limiting rod 1031 is provided, and the limiting rod 1031 can be provided by The rod 1031 is plugged into the fixing hole 1041, so that the brush plate 104 can be fixed at the bottom of the main body 101; a brush plate 104 with bristles is provided, so that when the support belt 107 moves, the brush plate 104 can clean the attachments on the support belt 107; a circular fixing hole 1041 is provided, and the brush plate 104 can be fixed at the lower end of the main body 101 by plugging the fixing hole 1041 with the limiting rod 1031; a rectangular side plate 105 is provided, and the frame 301 can be movably installed on both sides of the upper end of the main body 101 through the side plate 105; a cylindrical movable roller 106 made of nylon material is provided, so that the support belt 107 can be moved in the main body 101 through the movable roller 106; a support belt 107 made of rubber material is provided, which can support and fix the patient's head.
[0032] In the present disclosure, Figure 5 and 6 As shown, the support member 2 includes: a support seat 201 and a side rod 2011; a circular socket is opened on the front side of the support seat 201; the side rod 2011 is symmetrically arranged on both sides of the outside of the support seat 201; a slot 202 and an insertion rod 2021; the slot 202 is vertically opened at the inner end of the support seat 201; the insertion rod 2021 is inserted into the socket on the front side of the support seat 201, and the insertion rod 2021 passes through the slot 202; a support rod 203 and a positioning hole 2031; the support rod 203 is arranged at the upper end of the support seat 201, and the rectangular plate structure at the bottom of the support rod 203 is inserted into the slot 202; the positioning holes 2031 are equidistantly opened in the rectangular plate structure at the lower end of the support rod 203.
[0033] The present application provides a rectangular support seat 201 made of engineering plastic material, and a support rod 203 can be provided on the support seat 201; a rectangular side rod 2011 is provided, and the support seat 201 can be slidably installed on the main body 101 by movably installing the side rod 2011 into the movable groove 1011; a rectangular slot 202 is provided, and the support rod 203 can be inserted into the support seat 201 by plugging the bottom of the support rod 203 into the slot 202; a nylon insertion rod 2021 is provided, and the bottom of the support rod 203 in the slot 202 can be fixed by plugging the insertion rod 2021 into the positioning hole 2031; a support rod 203 with a sponge pad is provided, which can facilitate supporting the patient's neck; a circular positioning hole 2031 is provided, and the support rod 203 can be fixed on the support seat 201 through the positioning hole 2031.
[0034] As the third embodiment of the present application, based on the first embodiment, Figure 8 As shown, the clamping member 3 includes: a frame 301 and a screw 3011; the frame 301 is a U-shaped structure; the screw 3011 is rotatably installed on the outer end of the frame 301; a roller 302 and a control panel 3021; the roller 302 is rotatably installed on the inner side of the frame 301, and both ends of the roller 302 pass through the frame 301; the control panel 3021 is fixedly installed on both sides of the roller 302.
[0035] The present application provides a frame 301 made of engineering plastic material, and a roller 302 can be rotatably installed in the frame 301; a screw rod 3011 made of nylon material is provided, and the frame 301 can be moved at the upper end of the main body 101 by rotating the screw rod 3011; a cylindrical roller 302 made of nylon material is provided, and the support belt 107 can be rotated on the main body 101 by rotating the roller 302; a circular control panel 3021 is provided, and the roller 302 can be rotated in the frame 301 by rotating the control panel 3021.
[0036] The specific usage and function of this embodiment are as follows: In the present invention, Figures 1 to 8As shown, the brush plate 104 is placed at the bottom of the main body 101, so that the two ends of the brush plate 104 are engaged in the bottom groove 103, and the limiting rod 1031 in the bottom groove 103 is inserted into the fixing hole 1041 in the brush plate 104, and two sets of movable rollers 106 are arranged in the inner groove 102 in the main body 101. The two ends of the movable roller 106 are slidably matched with the slide groove 1021 through elastic members, and the frame 301 is installed on the side plate 105 at the upper end of the main body 101 through the screw 3011, and the support belt 107 in the main body 101 is respectively connected with the movable roller 106 and the rotating roller 302 for transmission, and the support seat 201 is installed to the front side of the main body 101, so that the side rods 2011 at both ends are connected with the movable groove 1011 for transmission, and the support rod 203 is inserted into the upper end of the slot 202, and then the insertion rod 2021 is inserted from the front The end is inserted into the support seat 201 and the positioning hole 2031 to fix the support rod 203 on the support seat 201. When examining the patient, the head is overlapped on the support belt 107, the neck is placed on the support rod 203, and then the screw 3011 on the frame 301 at both ends is rotated to move the roller 302 to the middle side, and the two sides of the patient's head are clamped and fixed through the support belt 107. The position where the support belt 107 contacts the head can cover the patient's ears, so that the patient can undergo a nuclear magnetic resonance test. After the test, the frame 301 is moved to both sides, and then the roller 302 is rotated to rotate the support belt 107, and the brush on the brush plate 104 is used to clean the position where the support belt 107 just contacted the patient's head, so as to ensure cleaning before providing support for the next patient's head.
[0037] In this article, there are a few points to note: 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.
[0038] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.
[0039] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.
Claims
1. A head fixing device for magnetic resonance examination, comprising: The mounting component (1) comprises a main body (101) and a movable groove (1011), wherein the two ends of the front side of the main body (101) are wedge-shaped; the movable groove (1011) is provided at positions opposite to the two ends of the front side of the main body (101); the mounting component (1) is characterized in that a supporting component (2) is provided on the mounting component (1), a supporting seat (201) of the supporting component (2) is provided at the inner end of the front side of the main body (101), and the outer end of the supporting seat (201) is The side rod (2011) is slidably matched with the movable groove (1011) via a lead screw; two groups of clamping members (3) are provided on the mounting member (1); a frame (301) of the clamping member (3) is provided on the inner side of the side plate (105) at the upper end of the main body (101), and a screw rod (3011) at the outer end of the frame (301) is threadedly connected to the side plate (105), and a rotating roller (302) in the frame (301) is transmission-connected to a supporting belt (107) in the main body (101).
2. A head fixing device for magnetic resonance examination according to claim 1, characterized in that: The mounting component (1) comprises: an inner groove (102) and a slide groove (1021); the inner groove (102) is arranged at the inner end of the main body (101), and the inner groove (102) passes through both sides of the lower end and the upper end of the main body (101); and the slide groove (1021) is symmetrically arranged at both sides of the inner groove (102).
3. A head fixing device for magnetic resonance examination according to claim 2, characterized in that: The mounting component (1) comprises: a bottom groove (103) and a limiting rod (1031); the bottom groove (103) is symmetrically arranged at the middle position of the bottom of the main body (101); and the limiting rod (1031) is arranged at the middle position of the bottom groove (103).
4. A head fixing device for magnetic resonance examination according to claim 3, characterized in that: The mounting component (1) comprises: a brush plate (104) and a fixing hole (1041); the brush plate (104) is located at the lower end of the main body (101), and both ends of the brush plate (104) are located in the bottom groove (103), and bristles are provided on the upper end surface of the brush plate (104); the fixing holes (1041) are symmetrically arranged on both sides of the brush plate (104), and the fixing holes (1041) are plug-fitted with the limiting rod (1031).
5. A head fixing device for magnetic resonance examination according to claim 4, characterized in that: The mounting component (1) comprises: a side plate (105), a movable roller (106) and a support belt (107); the side plates (105) are symmetrically arranged on both sides of the upper end of the main body (101), and a threaded through hole is opened inside the side plates (105); the movable roller (106) is symmetrically arranged at both ends of the inner groove (102), and the two ends of the movable roller (106) are slidably matched with the slide groove (1021) through an elastic member; the support belt (107) is arranged on the inner side of the main body (101), and the support belt (107) passes through the inner groove (102), the support belt (107) is transmission-connected to the movable roller (106), and the bottom of the support belt (107) is in contact with the bristles on the brush plate (104).
6. The head fixing device for magnetic resonance examination according to claim 1, characterized in that: The support member (2) comprises: a support seat (201) and side rods (2011); a circular insertion hole is provided on the front side of the support seat (201); and the side rods (2011) are symmetrically arranged on both sides of the outside of the support seat (201).
7. A head fixing device for magnetic resonance examination according to claim 6, characterized in that: The support member (2) comprises: a slot (202) and an insertion rod (2021); the slot (202) is vertically opened at the inner end of the support seat (201); the insertion rod (2021) is inserted into a socket on the front side of the support seat (201), and the insertion rod (2021) passes through the slot (202).
8. The head fixing device for magnetic resonance examination according to claim 7, characterized in that: The support member (2) comprises: a support rod (203) and a positioning hole (2031); the support rod (203) is arranged at the upper end of the support seat (201), and the rectangular plate-like structure at the bottom of the support rod (203) is inserted into the slot (202); the positioning holes (2031) are equidistantly arranged in the rectangular plate-like structure at the lower end of the support rod (203).
9. The head fixing device for magnetic resonance examination according to claim 1, characterized in that: The clamping member (3) comprises: a frame body (301) and a screw rod (3011); the frame body (301) is a U-shaped structure; and the screw rod (3011) is rotatably mounted on the outer end of the frame body (301).
10. The head fixing device for magnetic resonance examination according to claim 9, characterized in that: The clamping member (3) comprises: a rotating roller (302) and a control panel (3021); the rotating roller (302) is rotatably mounted on the inner side of the frame (301), and both ends of the rotating roller (302) penetrate the frame (301); and the control panel (3021) is fixedly mounted on both sides of the rotating roller (302).
Citation Information
Patent Citations
Head fixator for nuclear magnetic resonance
CN215017378U