Breathing synchronous training device for cardiac magnetic resonance examination

Abstract

The utility model relates to the technical field of medical instruments, in particular to a breathing synchronous training device for cardiac magnetic resonance examination, which comprises a mask, an elastic bandage is arranged on the mask, a breathing tube is communicated with the left side of the mask, a sleeve is slidably sleeved outside the breathing tube, and a mounting tube is fixedly connected to the left side of the sleeve. The left side of the mounting tube is fixedly connected with a bent tube, a fixing assembly for fixing the breathing tube in the sleeve is mounted on the mounting tube, a detection assembly for detecting the breathing state of a subject is mounted on the bent tube, the breathing tube can be rapidly fixed in the sleeve through the fixing assembly, and the breathing tube can also be rapidly detached; different masks can be conveniently replaced for different examinees, convenience and sanitation are achieved, the detection assembly can enable the examinees to breathe normally, meanwhile, medical workers can conveniently judge the actual breathing states of the examinees, and therefore the effect of breathing synchronous training is determined.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, concretely is heart magnetic resonance examination is with breathing synchronous training device. BACKGROUND

[0002] Heart magnetic resonance imaging faces many challenges in clinical application, among which respiratory motion and heart beating are important factors affecting imaging quality. The heart is located in the chest cavity, and respiratory motion will cause the position of the heart to change, and the heart itself also has strong periodicity, which will produce artifacts during magnetic resonance imaging. In order to ensure the quality and accuracy of heart magnetic resonance imaging, the examinee needs to follow the doctor's breathing instructions during the examination. Since most examinees have no relevant experience, they will generally be given respiratory synchronization training before the examination.

[0003] Chinese patent (authorized announcement number: CN 217661362 U, authorized announcement date: 2022.10.28) proposes a kind of auxiliary children heart magnetic resonance breathing training device, which sets up conduit, breathing mask and inflatable ball, the above-mentioned breathing mask and inflatable ball are located at the first end and the end of conduit respectively, movable piston is arranged in conduit, when using, the size of inflatable ball can be observed to intuitively judge the respiratory state of examinee, it is convenient for medical staff to determine training effect.

[0004] However, the gas exhaled by the examinee pushes the piston to move, and is still stored in the conduit and cannot be discharged, although a one-way valve is provided to inject gas into the conduit, when the examinee inhales, the exhaled gas is still sucked back into the body, and the lack of oxygen intake will cause the examinee's breathing and heartbeat to speed up, affecting the imaging result, and long-term use may even cause oxygen deficiency, in order to intuitively detect the respiratory state of examinee, judge the training effect of examinee, and ensure that the examinee breathes smoothly, we propose a kind of heart magnetic resonance examination is with breathing synchronous training device. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a heart magnetic resonance examination is with breathing synchronous training device, which can intuitively detect the respiratory state of examinee, judge the training effect of examinee, and ensure that the examinee breathes smoothly.

[0006] To achieve the above purpose, the utility model is realized by the following technical solutions:

[0007] The utility model provides a kind of breath synchronization training device for cardiac magnetic resonance examination, including face guard, which is provided with elastic bandage, the left side of the face guard is connected with breathing tube, the breathing tube is slidably sleeved with sleeve, the left side of the sleeve is fixedly connected with installation pipe, the left side of the installation pipe is fixedly connected with elbow pipe, the installation pipe is installed with the fixed component that breathing tube is fixed in sleeve, the elbow pipe is installed with the detection component that the respiration state of examinee is detected, the detection component includes upper empty bin, the upper empty bin is fixedly connected at the bottom of elbow pipe, the bottom of the upper empty bin is fixedly connected with first connecting pipe, the bottom of the first connecting pipe is fixedly connected with installation bin, the bottom of the installation bin is fixedly connected with second connecting pipe, the bottom of the second connecting pipe is fixedly connected with lower empty bin.

[0008] Preferably, the detection component further includes a mounting plate fixedly installed in the inner cavity of the installation bin, a sliding rod slidably penetrating the mounting plate, an upper piston fixedly connected to the top of the sliding rod, the outer wall of the upper piston abutting against the inner wall of the first connecting pipe, a lower piston fixedly connected to the bottom of the sliding rod, the outer wall of the lower piston abutting against the inner wall of the second connecting pipe, an upper spring fixedly connected to the top of the mounting plate, the top of the upper spring fixedly connected to the bottom of the upper piston, a lower spring fixedly connected to the bottom of the mounting plate, the bottom of the lower spring fixedly connected to the top of the lower piston.

[0009] Preferably, the top of the inner cavity of the upper empty bin is fixedly connected with a plurality of sets of upper connecting rods, the bottom of the upper connecting rods is fixedly connected with an upper baffle, the bottom of the inner cavity of the lower empty bin is fixedly connected with a plurality of sets of lower connecting rods, the top of the lower connecting rods is fixedly connected with a lower baffle, the upper baffle and the lower baffle are fixedly installed with pressure sensors on the surface close to the mounting plate, and the upper piston and the lower piston are fixedly connected with top blocks on the surface away from the mounting plate.

[0010] Preferably, the fixed component includes a limiting spring fixedly connected to the right side of the installation pipe, the limiting spring is sleeved on the outside of the sleeve, the right side of the limiting spring is fixedly connected with a connecting head, the connecting head is slidably sleeved on the outside of the sleeve, and the right side of the sleeve is fixedly connected with a plurality of sets of elastic locking pieces.

[0011] Preferably, a protective sleeve is fixedly sleeved on the outside of the installation pipe, a sealing spring is fixedly connected to the right side of the installation pipe, the right side of the sealing spring is fixedly connected with a sealing gasket, and the outside of the sealing gasket abuts against the inner cavity of the sleeve.

[0012] Preferably, the bottom of the lower empty bin is communicated with a lower connecting pipe, a gas flow meter is fixedly installed at the bottom of the lower connecting pipe, and a filter screen is arranged at the bottom of the lower connecting pipe.

[0013] Beneficial effects

[0014] The utility model provides a heart magnetic resonance examination uses breathing synchronous training device. Compared with prior art has the following beneficial effects:

[0015] 1. The heart magnetic resonance examination uses breathing synchronous training device, through setting up upper piston, sliding rod and lower piston, with the breathing of examinee moves up and down, also through the cooperation of pressure sensor and top piece, can be convenient for medical staff to judge the actual breathing state of examinee while letting examinee breathe normally, convenient for determining the effect of breathing synchronous training.

[0016] 2. The heart magnetic resonance examination uses breathing synchronous training device, through setting up connecting head and limit spring, under the cooperation of elastic lock piece, can fast fixed breathing tube in sleeve, also can fast breathing tube is dismantled, convenient for replacing different face shield for different examinee, more convenient and sanitary. DRAWINGS

[0017] Figure 1 It is the main body front view structure schematic drawing of the utility model;

[0018] Figure 2 It is the main body part structure section schematic drawing of the utility model;

[0019] Figure 3 It is the main body fixed assembly structure explosion schematic drawing of the utility model;

[0020] Figure 4 It is the main body detection assembly structure explosion schematic drawing of the utility model;

[0021] Figure 5 It is the main body Figure 4 The structure enlarged schematic drawing of A place in the utility model.

[0022] In the drawing: 1, face shield;2, elastic bandage;3, breathing tube;4, connecting head;5, protective sleeve;6, installation pipe;7, elbow;8, upper empty bin;9, first connecting pipe;10, installation bin;11, second connecting pipe;12, lower empty bin;13, lower connecting pipe;14, gas flowmeter;15, sealing gasket;16, sealing spring;17, upper baffle;18, upper piston;19, sliding rod;20, upper spring;21, mounting plate;22, lower piston;23, lower baffle;24, filter screen;25, elastic lock piece;26, sleeve;27, limit spring;28, lower connecting rod;29, pressure sensor;31, lower spring;32, top piece;33, upper connecting rod. SPECIFIC EMBODIMENT

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-5 The utility model provides a technical scheme: a kind of breath synchronization training device for cardiac magnetic resonance examination, including face guard 1, elastic bandage 2 is provided on face guard 1, and face guard 1 left side is provided with breathing tube 3, breathing tube 3 is slidably covered with sleeve 26 outside, sleeve 26 left side is fixedly connected with installation pipe 6, installation pipe 6 left side is fixedly connected with elbow pipe 7, and installation pipe 6 is installed with the fixed component that breathing tube 3 is fixed in sleeve 26, and elbow pipe 7 is installed with the detection component that the respiration state of examinee is detected, and detection component includes upper empty bin 8, and upper empty bin is fixedly connected at the bottom of elbow pipe, and the bottom of upper empty bin 8 is fixedly connected with first connecting pipe 9, and the bottom of first connecting pipe 9 is fixedly connected with installation bin 10, and the bottom of installation bin 10 is fixedly connected with second connecting pipe 11, and the bottom of second connecting pipe 11 is fixedly connected with lower empty bin 12.

[0025] Detection component further includes mounting plate 21, and mounting plate 21 is fixedly installed in the inner chamber of installation bin 10, and sliding rod 19 is slidably arranged on mounting plate 21, and the top of sliding rod 19 is fixedly connected with upper piston 18, and the outer wall of upper piston 18 is in abutment with the inner wall of first connecting pipe 9, and the bottom of sliding rod 19 is fixedly connected with lower piston 22, and the outer wall of lower piston 22 is in abutment with the inner wall of second connecting pipe 11, and the top of mounting plate 21 is fixedly connected with upper spring 20, and the top of upper spring 20 is fixedly connected with the bottom of upper piston 18, and the bottom of mounting plate 21 is fixedly connected with lower spring 31, and the bottom of lower spring 31 is fixedly connected with the top of lower piston 22.

[0026] The breath synchronization training device for cardiac magnetic resonance examination is used, breathing tube 3 is fixed in sleeve 26 by fixed component first, then examinee wears face guard 1, and breathing instruction is sent by artificial or computer, when examinee inhales, the air pressure in elbow pipe 7 reduces, under the action of air pressure, upper piston 18 and lower piston 22 rise, when upper piston 18 rises to upper empty bin 8, lower piston 22 rises to installation bin 10, at this moment, external gas can be inhaled, when examinee exhales, the air pressure in elbow pipe 7 increases, and lower piston 22 and upper piston 18 descend, when lower piston 22 descends to lower empty bin 12, upper piston 18 descends to installation bin 10, and the gas in elbow pipe 7 can be discharged, when examinee holds breath, upper piston 18 and lower piston 22 are restored to original position under the action of sliding rod 19 and lower spring 31.

[0027] A plurality of upper connecting rods 33 are fixedly connected to the top of the inner cavity of the upper empty bin 8, the bottom of the upper connecting rod 33 is fixedly connected with an upper baffle 17, a plurality of lower connecting rods 28 are fixedly connected to the bottom of the inner cavity of the lower empty bin 12, the top of the lower connecting rod 28 is fixedly connected with a lower baffle 23, the upper baffle 17 and the lower baffle 23 are both fixedly installed with a pressure sensor 29 on the surface close to the mounting plate 21, and the upper piston 18 and the lower piston 22 are both fixedly connected with a top block 32 on the surface away from the mounting plate 21.

[0028] When the subject inhales, the upper piston 18 continuously rises until the top block 32 at the top of the upper piston 18 abuts against the pressure sensor 29 at the bottom of the upper baffle 17, the pressure sensor 29 transmits a signal indicating that the subject is inhaling, when the subject exhales, the lower piston 22 continuously descends until the top block 32 at the bottom of the lower piston 22 abuts against the pressure sensor 29 at the top of the lower baffle 23, the pressure sensor 29 emits a signal indicating that the subject is exhaling.

[0029] The fixing assembly comprises a limiting spring 27, the limiting spring 27 is fixedly connected to the right side of the mounting pipe 6, the limiting spring 27 is sleeved outside the sleeve pipe 26, the right side of the limiting spring 27 is fixedly connected with a connecting head 4, the connecting head 4 is slidably sleeved outside the sleeve pipe 26, and the right side of the sleeve pipe 26 is fixedly connected with a plurality of elastic locking pieces 25.

[0030] When the fixing assembly is used, first of all, the connecting head 4 is manually moved to the left to move away from the elastic locking pieces 25, then the breathing pipe 3 is inserted into the sleeve pipe 26, and then the connecting head 4 is loosened, the connecting head 4 is moved to the right under the action of the limiting spring 27, the elastic locking pieces 25 are squeezed to clamp the breathing pipe 3, so that the breathing pipe 3 cannot be moved.

[0031] The mounting pipe 6 is fixedly sleeved with a protective sleeve 5, the right side of the mounting pipe 6 is fixedly connected with a sealing spring 16, the right side of the sealing spring 16 is fixedly connected with a sealing gasket 15, and the outer side of the sealing gasket 15 abuts against the inner cavity of the sleeve pipe 26. The protective sleeve 5 can protect the limiting spring 27 from being stuck by sundries, when the breathing pipe 3 is inserted into the sleeve pipe 26, the left end thereof abuts against the right end of the sealing gasket 15, the sealing gasket 15 abuts against the breathing pipe 3 under the action of the sealing spring 16, and air leakage of the device is prevented.

[0032] The bottom of the lower empty bin 12 is communicatively provided with a lower connecting pipe 13, the bottom of the lower connecting pipe 13 is fixedly installed with a gas flow meter 14, and the bottom of the lower connecting pipe 13 is provided with a filter screen 24. The filter screen 24 can filter impurities in the air to protect the health of the subject, and the installation of the gas flow meter 14 facilitates the medical staff to judge the breathing volume of the subject.

[0033] Working principle: the breathing synchronization training device for cardiac magnetic resonance examination is used, first manually move the connecting head 4 to the left, make it away from the elastic lock piece 25, then insert the breathing tube 3 into the sleeve 26, then loosen the connecting head 4, the connecting head 4 moves to the right under the action of the limiting spring 27, extrudes the elastic lock piece 25 to make the elastic lock piece 25 clamp the breathing tube 3, so that the breathing tube 3 cannot move, the protective sleeve 5 can protect the limiting spring 27 from being stuck by sundries, when the breathing tube 3 is inserted into the sleeve 26, the left end thereof abuts against the right end of the sealing gasket 15, under the action of the sealing spring 16, the sealing gasket 15 abuts against the breathing tube 3, preventing the device from leaking, then the examinee wears the face mask 1, and the breathing instruction is sent by artificial or computer, when the examinee inhales, the air pressure in the elbow pipe 7 decreases, under the action of the air pressure, the upper piston 18 and the lower piston 22 rise until the top block 32 on the top of the upper piston 18 abuts against the pressure sensor 29 on the bottom of the upper baffle 17, at this time, the upper piston 18 rises into the upper empty chamber 8, and the lower piston 22 rises into the installation chamber 10, at this time, the external gas can be inhaled, the pressure sensor 29 transmits a signal to indicate that the examinee is inhaling, when the examinee exhales, the air pressure in the elbow pipe 7 increases, so that the lower piston 22 and the upper piston 18 descend until the top block 32 on the bottom of the lower piston 22 abuts against the pressure sensor 29 on the top of the lower baffle 23, at this time, the lower piston 22 descends into the lower empty chamber 12, and the upper piston 18 descends into the installation chamber 10, the gas in the elbow pipe 7 can be discharged, and the pressure sensor 29 sends a signal to indicate that the examinee is exhaling, when the examinee holds breath, the upper piston 18 and the lower piston 22 return to the original position under the action of the sliding rod 19 and the lower spring 31. The filter screen 24 can filter impurities in the air to protect the health of the examinee, and the gas flow meter 14 is installed to facilitate the medical staff to judge the breathing volume of the examinee.

[0034] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying that there is any such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A breath synchronization training device for cardiac magnetic resonance examinations, comprising a mask (1), characterized in that: The mask (1) is provided with an elastic band (2), the left side of the mask (1) is provided with a breathing tube (3), the breathing tube (3) is provided with a sleeve (26) outside the sliding sleeve, the left side of the sleeve (26) is fixedly connected with a mounting pipe (6), the left side of the mounting pipe (6) is fixedly connected with a bend pipe (7), the mounting pipe (6) is provided with a fixing assembly for fixing the breathing tube (3) in the sleeve (26), the bend pipe (7) is provided with a detection assembly for detecting the breathing state of the subject, the detection assembly comprises an upper empty bin (8), the upper empty bin (8) is fixedly connected to the bottom of the bend pipe (7), the bottom of the upper empty bin (8) is fixedly connected with a first connecting pipe (9), the bottom of the first connecting pipe (9) is fixedly connected with a mounting bin (10), the bottom of the mounting bin (10) is fixedly connected with a second connecting pipe (11), the bottom of the second connecting pipe (11) is fixedly connected with a lower empty bin (12).

2. A respiratory synchronization training device for cardiac magnetic resonance examinations according to claim 1, characterized in that The detection assembly further comprises a mounting plate (21), the mounting plate (21) is fixedly installed in the inner cavity of the mounting bin (10), the mounting plate (21) is provided with a sliding rod (19) slidingly penetrating the mounting plate (21), the top of the sliding rod (19) is fixedly connected with an upper piston (18), the outer wall of the upper piston (18) abuts against the inner wall of the first connecting pipe (9), the bottom of the sliding rod (19) is fixedly connected with a lower piston (22), the outer wall of the lower piston (22) abuts against the inner wall of the second connecting pipe (11), the top of the mounting plate (21) is fixedly connected with an upper spring (20), the top of the upper spring (20) is fixedly connected with the bottom of the upper piston (18), the bottom of the mounting plate (21) is fixedly connected with a lower spring (31), the bottom of the lower spring (31) is fixedly connected with the top of the lower piston (22).

3. A respiratory synchronization training device for cardiac magnetic resonance examinations according to claim 2, characterized in that The top of the inner cavity of the upper empty bin (8) is fixedly connected with a plurality of upper connecting rods (33), the bottom of the upper connecting rod (33) is fixedly connected with an upper baffle (17), the bottom of the inner cavity of the lower empty bin (12) is fixedly connected with a plurality of lower connecting rods (28), the top of the lower connecting rod (28) is fixedly connected with a lower baffle (23), the surface of the upper baffle (17) and the lower baffle (23) close to the mounting plate (21) is fixedly installed with a pressure sensor (29), the surface of the upper piston (18) and the lower piston (22) away from the mounting plate (21) is fixedly connected with a top block (32).

4. A respiratory synchronization training device for cardiac magnetic resonance examinations according to claim 3, characterized in that The fixing assembly comprises a limiting spring (27), the limiting spring (27) is fixedly connected to the right side of the mounting pipe (6), the limiting spring (27) is sleeved outside the sleeve (26), the right side of the limiting spring (27) is fixedly connected with a connecting head (4), the connecting head (4) is sleeved outside the sleeve (26), the right side of the sleeve (26) is fixedly connected with a plurality of elastic locking pieces (25).

5. A breath synchronization training device for cardiac magnetic resonance examinations according to claim 4, characterized in that The mounting pipe (6) is fixedly sleeved with a protective sleeve (5), the right side of the mounting pipe (6) is fixedly connected with a sealing spring (16), the right side of the sealing spring (16) is fixedly connected with a sealing gasket (15), the outer side of the sealing gasket (15) abuts against the inner cavity of the sleeve (26).

6. A respiratory synchronization training device for cardiac magnetic resonance examinations according to claim 5, characterized in that The bottom of the lower empty bin (12) is communicated with a lower connecting pipe (13), the bottom of the lower connecting pipe (13) is fixedly installed with a gas flow meter (14), and the bottom of the lower connecting pipe (13) is provided with a filter screen (24).

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