Nuclear magnetic resonance safety range early warning device

Abstract

The utility model relates to the technical field of nuclear magnetic resonance equipment, and particularly discloses a nuclear magnetic resonance safety range early warning device which comprises a bearing bed, first electric guide rails are installed in two long grooves, and a moving frame connected with the first electric guide rails in a sliding mode is arranged above the bearing bed. A sliding groove is formed in the lower end face of the movable frame, a second electric guide rail is mounted in the sliding groove, a mounting frame is slidably connected to the outer wall of the second electric guide rail, a second metal detector is detachably connected to the lower end face of the mounting frame, and metal detection is comprehensively conducted on the back of the patient through the three first metal detectors; secondly, a first electric guide rail drives a movable frame to move from back to front, meanwhile, metal above the body of the patient is detected through a second metal detector, metal detection can be comprehensively conducted on the patient, the patient or medical staff can be reminded to take measures in time, and influence on nuclear magnetic resonance detection is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of nuclear magnetic resonance equipment, in particular to a nuclear magnetic resonance safety range early warning device. Background Art

[0002] Nuclear magnetic resonance uses the principle of nuclear magnetic resonance. Based on the different attenuation of the released energy in different structural environments inside the material, the emitted electromagnetic waves are detected by applying an external gradient magnetic field. The position and type of the atomic nuclei that make up the object can be known, and a structural image of the object's interior can be drawn based on this.

[0003] MRI generally refers to MRI examinations. Precautions include preoperative preparation, not bringing items, safety issues during the examination, etc. Before the MRI examination, all metal objects, including jewelry, keys, watches, mobile phones, braces, dentures, etc., need to be removed. This is because these items may interfere with the examination results.

[0004] Currently, during MRI examinations, some patients may forget to inform medical staff about their implanted pacemakers, or forget to remove metal objects they are wearing, which may affect the results of the MRI examinations. Therefore, it is necessary to propose an MRI safety range warning device to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a nuclear magnetic resonance safety range warning device, which can comprehensively detect metals of patients and promptly remind patients or medical staff to take measures to avoid the problem that the patient's body is implanted with a pacemaker or metal objects forgotten to be removed affect the nuclear magnetic resonance detection.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a nuclear magnetic resonance safety range warning device, comprising a load bed, long grooves are provided on both sides of the load bed, first electric guide rails are installed inside the two long grooves, a moving frame slidably connected to the first electric guide rail is provided above the load bed, a slide groove is provided on the lower end surface of the moving frame, a second electric guide rail is installed inside the slide groove, a mounting frame is slidably connected to the outer wall of the second electric guide rail, and a second metal detector is detachably connected to the lower end surface of the mounting frame;

[0007] The upper end surface of the supporting bed is penetrated by three through slots, and the lower end surface of the supporting bed is fixedly connected to two fixed cavities distributed on the left and right, the interiors of the two fixed cavities are movably connected with threaded rods, the outer walls of the two threaded rods are threadedly connected with movable plates, and the upper end surface of the movable plate is detachably connected with three first metal detectors located in the through slots.

[0008] In order to disassemble and maintain the second metal detector, as a preferred nuclear magnetic resonance safety range warning device of the utility model, grooves are provided on the left and right sides of the lower end surface of the mounting frame, and the insides of the two grooves are slidably connected with pull rods, and the upper end surfaces of the two pull rods are fixedly connected with positioning rods, and the lower end surface of the second metal detector and the lower end surface of the mounting frame are provided with two positioning grooves that are interconnected and matched with the positioning rods.

[0009] In order to issue an alarm reminder, as a preferred nuclear magnetic resonance safety range warning device of the utility model, an alarm is installed on the upper end surface of the movable frame.

[0010] In order to reset the positioning rod, as a preferred embodiment of the nuclear magnetic resonance safety range warning device of the utility model, springs are installed inside the two grooves.

[0011] In order to enable the movable plate to move forward and backward smoothly, as a preferred nuclear magnetic resonance safety range warning device of the utility model, the upper end surfaces of the two fixed cavities are both provided with openings matching the through grooves.

[0012] In order to enable the mounting frame to move smoothly, as a preferred nuclear magnetic resonance safety range warning device of the utility model, the moving frame is in an arc-shaped structure.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model firstly enables the movable plate to drive three first metal detectors to move from back to front on the outer wall of the threaded rod, and then the three first metal detectors can be used to fully perform metal detection on the back of the patient; secondly, the first electric guide rail drives the movable frame to move from back to front, and at the same time the second electric guide rail drives the mounting frame to move along the track of the movable frame, and then the second metal detector can be used to detect the metal above the patient's body; the mounting frame moves forward and backward and left and right, and then the patient's metal can be fully detected, and the patient or medical staff can be reminded in time to take measures to avoid the implantation of a cardiac pacemaker in the patient's body or the influence of metal objects forgotten to be removed on the detection of nuclear magnetic resonance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the overall structure diagram of the utility model;

[0016] Figure 2 This is a three-dimensional structural diagram of the mobile frame of the utility model;

[0017] Figure 3 For the utility model Figure 2 A magnified image of point A;

[0018] Figure 4 This is a top view of the structure of the support bed of the utility model.

[0019] In the figure: 1. load bed; 101. through slot; 102. long slot; 103. first electric guide rail; 2. fixed cavity; 201. threaded rod; 202. movable plate; 203. first metal detector; 3. movable frame; 301. second electric guide rail; 302. mounting frame; 303. second metal detector; 304. pull rod; 305. groove; 306. spring; 307. positioning rod; 308. positioning slot; 4. alarm. DETAILED DESCRIPTION

[0020] See also Figures 1 to 4 A nuclear magnetic resonance safety range warning device comprises a carrier bed 1, long grooves 102 are provided on both sides of the carrier bed 1, first electric guide rails 103 are installed inside the two long grooves 102, a moving frame 3 slidably connected to the first electric guide rail 103 is provided above the carrier bed 1, a slide groove is provided on the lower end surface of the moving frame 3, a second electric guide rail 301 is installed inside the slide groove, a mounting frame 302 is slidably connected to the outer wall of the second electric guide rail 301, and a second metal detector 303 is detachably connected to the lower end surface of the mounting frame 302;

[0021] The upper end surface of the carrier bed 1 is penetrated by three through slots 101, and the lower end surface of the carrier bed 1 is fixedly connected to two fixed cavities 2 distributed on the left and right, and the interiors of the two fixed cavities 2 are movably connected with threaded rods 201, and the outer walls of the two threaded rods 201 are threadedly connected to movable plates 202, and the upper end surface of the movable plate 202 is detachably connected with three first metal detectors 203 located in the through slots 101.

[0022] In this embodiment: when a patient needs to undergo an MRI examination, the patient can lie on the load bed 1, and the threaded rod 201 can be rotated at the same time, so that the movable plate 202 drives the three first metal detectors 203 to move from the back to the front on the outer wall of the threaded rod 201, and then the three first metal detectors 203 can be used to fully detect metal on the patient's back through the through slot 101, and then the first electric guide rail 103 and the second electric guide rail 301 are operated to drive the movable frame 3 to move from the back to the front, and at the same time, the second electric guide rail 301 drives the mounting frame 302 to move along the trajectory of the movable frame 3, and then the second metal detector 303 can be used to detect metal above the patient's body, and the mounting frame 302 can be moved forward and backward and left and right, so that the patient's metal can be fully detected, and the patient or medical staff can be reminded in time to take measures to avoid the implantation of a cardiac pacemaker in the patient's body or metal objects that are forgotten to be removed affecting the MRI detection.

[0023] As a technical optimization solution of the utility model, grooves 305 are provided on the left and right sides of the lower end surface of the mounting frame 302, and the insides of the two grooves 305 are slidably connected with pull rods 304, and the upper end surfaces of the two pull rods 304 are fixedly connected with positioning rods 307, and the lower end surface of the second metal detector 303 and the lower end surface of the mounting frame 302 are provided with two positioning grooves 308 that are interconnected and matched with the positioning rods 307.

[0024] In this embodiment, the pull rod 304 is pulled downward to drive the positioning rod 307 downward and out of the positioning slot 308, thereby releasing the installation of the mounting frame 302 and the second metal detector 303, making it easier to disassemble and maintain the second metal detector 303.

[0025] As a technical optimization solution of the present utility model, an alarm 4 is installed on the upper end surface of the mobile frame 3.

[0026] In this embodiment: an alarm can be sounded by the alarm device 4 to remind medical staff to take measures.

[0027] As a technical optimization solution of the present invention, springs 306 are installed inside the two grooves 305 .

[0028] In this embodiment, the positioning rod 307 can be reset by the elastic force of the spring 306 .

[0029] As a technical optimization solution of the present invention, the upper end surfaces of the two fixing cavities 2 are both provided with openings matching the through slots 101 .

[0030] In this embodiment, the movable plate 202 can move forward and backward smoothly through the opening.

[0031] As a technical optimization solution of the present utility model, the movable frame 3 is an arc-shaped structure.

[0032] In this embodiment, the movable frame 3 has an arc-shaped structure, so that the mounting frame 302 can move smoothly.

[0033] Working principle: First, the first electric guide rail 103, the second electric guide rail 301, the first metal detector 203, the second metal detector 303 and the alarm 4 are all electrically connected to the external controller. When the patient needs to undergo an MRI examination, the patient can lie on the load bed 1, and the threaded rod 201 is rotated at the same time, so that the moving plate 202 drives the three first metal detectors 203 to move from the back to the front on the outer wall of the threaded rod 201, and then the three first metal detectors 203 can be used to fully detect metal on the patient's back through the through slot 101. Secondly, the first electric guide rail 103 and The second electric guide rail 301 works, prompting the first electric guide rail 103 to drive the movable frame 3 to move from back to front. At the same time, the second electric guide rail 301 drives the mounting frame 302 to move along the track of the movable frame 3, so that the second metal detector 303 can detect the metal above the patient's body. The mounting frame 302 moves forward and backward and left and right, so as to comprehensively detect the metal of the patient, and the alarm can be sounded through the alarm 4, which can timely remind the patient or medical staff to take measures to avoid the implantation of a pacemaker in the patient's body or the influence of metal objects forgotten to be removed on the nuclear magnetic resonance detection.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A nuclear magnetic resonance safety range warning device, comprising a support bed (1), characterized in that: Long grooves (102) are provided on both left and right sides of the load-bearing bed (1), and first electric guide rails (103) are installed inside the two long grooves (102). A movable frame (3) slidably connected to the first electric guide rail (103) is provided above the load-bearing bed (1), and a slide groove is provided on the lower end surface of the movable frame (3), and a second electric guide rail (301) is installed inside the slide groove. The outer wall of the second electric guide rail (301) is slidably connected to a mounting frame (302), and the lower end surface of the mounting frame (302) is detachably connected to a second metal detector (303); The upper end surface of the support bed (1) is provided with three through slots (101); the lower end surface of the support bed (1) is fixedly connected to two fixed cavities (2) distributed on the left and right; the interiors of the two fixed cavities (2) are movably connected to threaded rods (201); the outer walls of the two threaded rods (201) are threadedly connected to movable plates (202); and the upper end surface of the movable plates (202) is detachably connected to three first metal detectors (203) located in the through slots (101).

2. A nuclear magnetic resonance safety range early warning device according to claim 1, characterized in that: The left and right sides of the lower end surface of the mounting frame (302) are provided with grooves (305), the interiors of the two grooves (305) are slidably connected with pull rods (304), the upper end surfaces of the two pull rods (304) are fixedly connected with positioning rods (307), and the lower end surface of the second metal detector (303) and the lower end surface of the mounting frame (302) are provided with two positioning grooves (308) that are interconnected and match the positioning rods (307).

3. A nuclear magnetic resonance safety range early warning device according to claim 1, characterized in that: An alarm (4) is installed on the upper end surface of the movable frame (3).

4. A nuclear magnetic resonance safety range early warning device according to claim 2, characterized in that: Springs (306) are installed inside the two grooves (305).

5. The nuclear magnetic resonance safety range early warning device according to claim 1, characterized in that: The upper end surfaces of the two fixed cavities (2) are both provided with openings matching the through groove (101).

6. The nuclear magnetic resonance safety range early warning device according to claim 1, characterized in that: The movable frame (3) is in an arc-shaped structure.

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