Special fixing device for nuclear magnetic resonance examination

By designing a fixer for MRI examination, the patient is tested using air bags and rubber tubes to fix the patient's examination part, the artifact problem caused by patient movement during MRI examination is solved, and the imaging quality and inspection accuracy are improved.

CN222285460UActive Publication Date: 2025-01-03SHAOXING PEOPLES HOSPITAL
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202323313441.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-05
Publication Date
2025-01-03
Estimated Expiration
2033-12-05

AI Technical Summary

Technical Problem

During the MRI, the patient's autonomous or involuntary slight displacement during the examination leads to artifacts, which reduces imaging quality and affects the diagnostic and treatment effect.

Method used

A special fixer for nuclear magnetic resonance examination is designed, including the main mechanism, detection mechanism and filling mechanism. The patient's examination part is fixed through air bags and rubber tubes, and the rubber interlayer and patch are used for stable fixing, and through wear resistance Layers and anti-erosion layers improve the durability and tolerance of the device.

Benefits of technology

It effectively reduces the movement of the patient's examination site, improves the quality of MRI imaging, simplifies the fixation process, reduces the difficulty of work for medical staff, and improves the accuracy of the examination.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222285460U_ABST
    Figure CN222285460U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of nuclear magnetic resonance fixators, in particular to a fixing device special for nuclear magnetic resonance examination, which comprises a main body mechanism, a detection mechanism and a filling mechanism, the main body mechanism is movably arranged in the detection mechanism, and the filling mechanism is fixedly arranged in the main body mechanism. The main body mechanism comprises an inflation body, an air hole, a rubber pipe, an inflation bag, a front rubber interlayer, an auxiliary child-mother sticker, a back rubber interlayer, a main child-mother sticker and friction lines, and the air hole is formed in one side of the inflation body. According to the fixator special for nuclear magnetic resonance examination, the main body and the inflation bag are connected through the rubber pipe, and the main body can be inflated through the inflation bag. Two ends of the main body are respectively provided with a section of primary and secondary paste, the primary and secondary paste can play a fixing role after being overlapped and pasted, the fixer is designed into a series according to the size and the shape of the nuclear magnetic resonance coil, a primary and secondary paste pasting layer can be correspondingly arranged on the contact surface of the fixer and the nuclear magnetic resonance coil, and the fixer is fixed on the coil and can be easily taken down at the same time.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of nuclear magnetic resonance fixers, in particular to a special fixer for nuclear magnetic resonance examination. Background Art

[0002] Magnetic resonance artifacts are common phenomena in MRI imaging, which greatly reduce the quality of MRI imaging, thus affecting further diagnosis and treatment, and causing great trouble to clinical medicine. There are many reasons for the occurrence of MRI artifacts. The most common one in clinical practice is the long imaging time during the MRI image acquisition process, resulting in slight displacement of the patient's examined part autonomously or involuntarily. How to prevent the patient's examined part from moving during the examination is an urgent problem to be solved in the current MRI technology work.

[0003] The Chinese utility model patent application disclosure CN112089420A discloses a device related to the field of medical device technology, specifically a nuclear carbon resonance fixer; comprising a body, a headrest slidably connected to the body, a pair of movable sliders slidably connected to the headrest, a first sliding mechanism matched with the movable slider is arranged in the headrest, a lifting adjustment column is slidably connected to the first slider, and a fixing sleeve is fixed to the lifting adjustment column: two pairs of first control mechanisms are arranged on the body, and the first control mechanisms fix the patient's hands and feet respectively; a pair of first adjustment mechanisms are arranged in the body, and the first adjustment mechanisms adjust the first control mechanisms of the hands and feet respectively: thereby achieving the fixation of the nuclear bowl resonance patient, the present invention is ingenious in conception and highly creative, and effectively solves the problems of the patient unconsciously moving the body and the patient's body being unable to be fixed when receiving nuclear magnetic resonance detection in the prior art, greatly reduces the difficulty of the work of medical staff and also greatly improves the accuracy of nuclear magnetic resonance examination, but the structure of the device is slightly complicated, for this reason, we propose a fixing device with a simple structure to prevent the patient's examined part from moving during a magnetic resonance examination, effectively reducing the autonomous or involuntary movement of the examined part, improving the quality of nuclear magnetic resonance imaging, and enhancing the effect of nuclear magnetic resonance examination. Utility Model Content

[0004] The purpose of the utility model is to provide a special fixer for nuclear magnetic resonance examination to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A special fixer for nuclear magnetic resonance examination includes a main body mechanism, a detection mechanism and a filling mechanism, wherein the main body mechanism is movably arranged inside the detection mechanism, and the filling mechanism is fixedly arranged inside the main body mechanism. The main body mechanism includes an inflatable body, an air hole, a rubber tube, an inflatable bag, a front rubber interlayer, a secondary mother-and-child sticker, a back rubber interlayer, a main mother-and-child sticker and a friction pattern, wherein the air hole is opened on one side of the inflatable body, one end of the rubber tube is fixedly arranged on the air hole, and the other end of the rubber tube is fixedly arranged on the inflatable bag, the front rubber interlayer is fixedly arranged on the top of the inflatable body, the secondary mother-and-child sticker is fixedly arranged on the top of the front rubber interlayer, the back rubber interlayer is fixedly arranged on the other side of the inflatable body, the main mother-and-child sticker is fixedly arranged on the top of the back rubber interlayer, and the friction pattern is fixedly arranged on the surface of the inflatable bag.

[0007] Preferably, the detection mechanism includes a nuclear magnetic resonance apparatus, a nuclear magnetic resonance coil, a controller, a display screen, a signal light and a control key, and the nuclear magnetic resonance coil is fixedly arranged inside the nuclear magnetic resonance apparatus.

[0008] Through the above scheme, the nuclear magnetic resonance coil is set to enable the nuclear magnetic resonance instrument to detect.

[0009] Preferably, the controller is fixedly arranged on one side of the nuclear magnetic resonance apparatus, and the display screen is fixedly arranged on the controller.

[0010] Through the above solution, the nuclear magnetic resonance apparatus can be operated more intuitively by setting a display screen.

[0011] Preferably, the signal light is fixedly arranged on the controller, and the control key is fixedly arranged on the controller.

[0012] Through the above solution, the controller can better feedback information by setting the signal light.

[0013] Preferably, the filling mechanism comprises an air layer, a rubber layer, a reinforcement layer, an anti-corrosion layer and a wear-resistant layer, the rubber layer is fixedly arranged on the outside of the air layer, and the reinforcement layer is fixedly arranged on the outside of the rubber layer.

[0014] According to the above scheme, the rubber layer is provided to seal the air layer.

[0015] Preferably, the anti-erosion layer is fixedly arranged on the outside of the reinforcement layer, and the wear-resistant layer is fixedly arranged on the outside of the anti-erosion layer.

[0016] Through the above scheme, the wear-resistant layer is provided to make the device more durable, and the anti-corrosion layer is provided to reduce the erosion effect of sweat on the device.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The special fixator for MRI examination is placed between the MRI examination coil and the patient's examined part to play a filling and protective role. Before the patient undergoes MRI examination, the radiologist squeezes out the gas in the fixator and puts it into the MRI coil and fully flattens it. The patient's examined part is placed in the fixator and then inflated. The gas enters the inflatable gas through the rubber tube, and the inflatable gas expands until the examined part cannot move but a finger can be inserted between the fixator and the examined part. The above simple and convenient operation reflects the practicality of the device.

[0019] 2. The main body and the inflatable bag of this special fixator for MRI examination are connected by a rubber tube, and the main body can be inflated through the inflatable bag. There is a piece of mother-and-child sticker at each end of the main body, which can be overlapped and pasted to play a fixing role. This fixator is designed as a series according to the size and shape of the MRI coil. The contact surface between the corresponding fixator and the MRI coil can be provided with a mother-and-child sticker adhesive layer to fix the device on the coil and can be easily removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The overall structure of the utility model is shown in FIG. Figure 1 ;

[0021] Figure 2 The overall structure of the utility model is shown in FIG. Figure 2 ;

[0022] Figure 3 It is a schematic diagram of the detection mechanism of the utility model;

[0023] Figure 4 It is a schematic diagram of the filling mechanism of the utility model.

[0024] In the figure: 1. main body; 101. inflatable body; 102. air hole; 103. rubber tube; 104. inflatable bag; 105. front rubber interlayer; 106. auxiliary mother-and-child sticker; 107. back rubber interlayer; 108. main mother-and-child sticker; 109. friction pattern; 2. detection mechanism; 201. nuclear magnetic resonance instrument; 202. nuclear magnetic resonance coil; 203. controller; 204. display screen; 205. signal light; 206. control key; 3. filling mechanism; 301. air layer; 302. rubber layer; 303. reinforcement layer; 304. anti-corrosion layer; 305. wear-resistant layer. DETAILED DESCRIPTION

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

[0026] See also Figure 1 - Figure 4 As shown, a technical solution provided by the utility model:

[0027] A special fixture for nuclear magnetic resonance examination includes a main body mechanism 1, a detection mechanism 2 and a filling mechanism 3. The main body mechanism 1 is movably arranged inside the detection mechanism 2, and the filling mechanism 3 is fixedly arranged inside the main body mechanism 1. The main body mechanism 1 includes an inflatable body 101, an air hole 102, a rubber tube 103, an inflatable bag 104, a front rubber interlayer 105, a sub-mother-and-child sticker 106, a back rubber interlayer 107, a main-sub-mother-and-child sticker 108 and a friction pattern 109. The air hole 102 is opened on one side of the inflatable body 101, one end of the rubber tube 103 is fixedly arranged on the air hole 102, and the other end of the rubber tube 103 is fixedly arranged on the inflatable bag 104, the front rubber interlayer 105 is fixedly arranged on the top of the inflatable body 101, the sub-mother-and-child sticker 106 is fixedly arranged on the top of the front rubber interlayer 105, and the back rubber interlayer 107 is fixedly arranged on the other side of the inflatable body 101, the main-sub-mother-and-child sticker 108 is fixedly arranged on the top of the back rubber interlayer 107, and the friction pattern 109 is fixedly arranged on the surface of the inflatable bag 104.

[0028] In this embodiment, preferably, the detection mechanism 2 includes a nuclear magnetic resonance apparatus 201 , a nuclear magnetic resonance coil 202 , a controller 203 , a display screen 204 , a signal light 205 and a control key 206 , and the nuclear magnetic resonance coil 202 is fixedly disposed inside the nuclear magnetic resonance apparatus 201 .

[0029] Through the above solution, the nuclear magnetic resonance apparatus 201 can detect by setting the nuclear magnetic resonance coil 202 .

[0030] In this embodiment, preferably, the controller 203 is fixedly disposed on one side of the nuclear magnetic resonance apparatus 201 , and the display screen 204 is fixedly disposed on the controller 203 .

[0031] Through the above solution, the display screen 204 can be set to operate the nuclear magnetic resonance apparatus 201 more intuitively.

[0032] In this embodiment, preferably, the signal light 205 is fixedly arranged on the controller 203 , and the control key 206 is fixedly arranged on the controller 203 .

[0033] Through the above solution, the signal light 205 is set to enable the controller 203 to better feedback information.

[0034] In this embodiment, preferably, the filling mechanism 3 includes an air layer 301 , a rubber layer 302 , a reinforcement layer 303 , an anti-corrosion layer 304 and a wear-resistant layer 305 , the rubber layer 302 is fixedly arranged on the outside of the air layer 301 , and the reinforcement layer 303 is fixedly arranged on the outside of the rubber layer 302 .

[0035] According to the above solution, the rubber layer 302 is provided to seal the air layer 301 .

[0036] In this embodiment, preferably, the anti-corrosion layer 304 is fixedly disposed on the outside of the reinforcement layer 303 , and the wear-resistant layer 305 is fixedly disposed on the outside of the anti-corrosion layer 304 .

[0037] Through the above solution, the wear-resistant layer 305 is provided to make the device more durable, and the anti-corrosion layer 304 is provided to reduce the corrosion effect of sweat on the device.

[0038] When the fixed device for nuclear magnetic resonance examination of this embodiment is used, it is placed between the magnetic resonance examination coil and the patient's examined part to play a filling and protective role. Before the patient undergoes magnetic resonance examination, the radiologist squeezes out the gas in the fixed device and puts it into the nuclear magnetic resonance coil 202 and fully flattens it. The patient's examined part is placed in the fixed device and then inflated. The gas enters the inflatable gas 101 through the rubber tube 103, and the inflatable gas 101 expands until the examined part cannot move but a finger can be inserted between the fixed device and the examined part. In addition, the main body and the inflatable bag 104 are connected by the rubber tube 103, and the main body can be inflated through the inflatable bag 104. There is a piece of mother-and-child sticker at each end of the main body, which can be overlapped and pasted to play a fixing role. The fixed device is designed as a series according to the size and shape of the nuclear magnetic resonance coil 202. The contact surface between the corresponding fixed device and the nuclear magnetic resonance coil 202 can be provided with a mother-and-child sticker adhesive layer to fix the device on the coil and can be easily removed.

[0039] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A special fixture for nuclear magnetic resonance examination, comprising a main body mechanism (1), a detection mechanism (2) and a filling mechanism (3), characterized in that: The main body mechanism (1) is movably arranged inside the detection mechanism (2), and the filling mechanism (3) is fixedly arranged inside the main body mechanism (1). The main body mechanism (1) comprises an inflatable body (101), an air hole (102), a rubber tube (103), an inflatable bag (104), a front rubber interlayer (105), a secondary mother-and-child sticker (106), a back rubber interlayer (107), a main mother-and-child sticker (108), and a friction pattern (109). The air hole (102) is provided on one side of the inflatable body (101), and one end of the rubber tube (103) is fixedly arranged. The rubber tube (103) is fixed on the air hole (102), the other end of the rubber tube (103) is fixed on the inflatable bag (104), the front rubber interlayer (105) is fixed on the top of the inflatable body (101), the auxiliary mother-and-child sticker (106) is fixed on the top of the front rubber interlayer (105), the back rubber interlayer (107) is fixed on the other side of the inflatable body (101), the main mother-and-child sticker (108) is fixed on the top of the back rubber interlayer (107), and the friction pattern (109) is fixed on the surface of the inflatable bag (104).

2. The special fixer for nuclear magnetic resonance examination according to claim 1, characterized in that: The detection mechanism (2) comprises a nuclear magnetic resonance apparatus (201), a nuclear magnetic resonance coil (202), a controller (203), a display screen (204), a signal light (205) and a control key (206); the nuclear magnetic resonance coil (202) is fixedly arranged inside the nuclear magnetic resonance apparatus (201).

3. The special fixer for nuclear magnetic resonance examination according to claim 2, characterized in that: The controller (203) is fixedly arranged on one side of the nuclear magnetic resonance apparatus (201), and the display screen (204) is fixedly arranged on the controller (203).

4. The special fixer for nuclear magnetic resonance examination according to claim 2, characterized in that: The signal light (205) is fixedly arranged on the controller (203), and the control key (206) is fixedly arranged on the controller (203).

5. The special fixator for nuclear magnetic resonance examination according to claim 1, characterized in that: The filling mechanism (3) comprises an air layer (301), a rubber layer (302), a reinforcement layer (303), an anti-corrosion layer (304) and a wear-resistant layer (305); the rubber layer (302) is fixedly arranged outside the air layer (301), and the reinforcement layer (303) is fixedly arranged outside the rubber layer (302).

6. The special fixer for nuclear magnetic resonance examination according to claim 5, characterized in that: The anti-corrosion layer (304) is fixedly arranged outside the reinforcement layer (303), and the wear-resistant layer (305) is fixedly arranged outside the anti-corrosion layer (304).