CN216675734U - Breathing training and auxiliary control device for CT/MRI examination - Google Patents

Abstract

The utility model discloses a breathing training and auxiliary control device for CT/MRI examination, which comprises a mask, a control device and a control device, wherein the mask is provided with a cavity which covers an oral area and a nasal area simultaneously; the ventilation regulating valve is arranged on the mask and is provided with a medium flow passage communicated with the cavity; the double-whistle is arranged on the ventilation regulating valve or the mask and is positioned on a flowing path of the gas entering and exiting the cavity. The examinee breathes out and inhales gas freely by wearing the utility model, the airflow passes through the ventilation regulating valve and then reaches the double-bang whistle, the double-bang whistle respectively sends out the corresponding air inlet whistle and air outlet whistle, and both the examinee and the examinee can confirm or train the states and the frequencies of inspiration and expiration through the frequency and the rhythm of the whistle. The condition that the examinee is possible to be unsuitable when the examinee receives single breathing instruction information at present is improved, and meanwhile, the examinee can also determine the breathing control state according to whistle feedback, so that the effective breathing training and auxiliary control of the examinee are realized, and the CT/MRI examination image quality and the examination efficiency are improved.

Description

Breathing training and auxiliary control device for CT/MRI examination

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a breathing training and auxiliary control device for CT/MRI examination.

Background

When CT/MRI examination is clinically carried out, the examined person may have irregular breathing frequency, too fast breathing or too slow breathing or cannot complete inspiration or breath holding action in time according to the breathing instruction of the examined person, so that the image quality is reduced, the CT/MRI examination does not reach the standard, and the diagnosis result of the examined person is influenced. At present, there are three main methods for respiratory training and control during CT/MRI examination: (1) and (3) spontaneous breathing training, which is explained before examination, is performed for repeated normalized breathing training, and the compliance and the control capability of breathing instructions are enhanced. (2) Exogenous respiratory control, such as wearing a respirator, artificially intervenes the respiratory state of a subject and carries out forced passive ventilation. (3) The respiration variation signal is detected by a respiration monitoring device, such as an optical camera or a pressure sensor, the respiration motion state and amplitude are monitored, an optical or pressure analog signal is converted into an electric signal according to a certain rule and is output, and a method for compensating the respiration motion is sought through a computer software algorithm.

At present, the following defects exist in the three methods for respiratory training and control in CT/MRI examination:

(1) spontaneous breathing training, the method has low success rate; the method mainly comprises the following steps that a testee does not know the examination process, worrys about the examination result, is easy to have nervous psychology, is difficult to concentrate on listening to a breathing instruction in the examination process, and is easy to generate bad emotion after a plurality of times of training and examination failures.

(2) Ventilator control, which is expensive equipment and limited MRI application; the breathing machine belongs to high-end medical equipment, has higher use and maintenance cost, is generally mainly used in major medical scenes such as respiratory failure, anesthesia and respiration management during major operations, respiratory support treatment, emergency resuscitation and the like, and an MRI examination room belongs to a strong magnetic field and prevents antimagnetic equipment (such as the breathing machine) from entering a machine room.

(3) The method has the advantages of complex principle and less clinical application; the accurate control of the breathing movement is realized by the mutual cooperation of computer hardware and software, so that the influence on the quality of CT/MRI images is eliminated, but the technical requirement is high, the difficulty is high, and the radiotherapy target area is generally sketched only when the heavy ion beam is used for treating tumors clinically.

SUMMERY OF THE UTILITY MODEL

The utility model provides a breathing training and auxiliary control device for CT/MRI examination, aiming at overcoming the defects of the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme: a breath training and auxiliary control device for CT/MRI examination comprises

A mask having a cavity simultaneously covering the oral and nasal regions;

the ventilation regulating valve is arranged on the mask and is provided with a medium flow passage communicated with the cavity;

the double-whistle is arranged on the ventilation regulating valve or the mask and is positioned on a flowing path of the gas entering and exiting the cavity.

Optionally, still including the shutoff subassembly that is used for shutoff air regulation valve and/or two whistles, this shutoff subassembly is including locating the retaining member on the air regulation valve, can follow retaining member axial slip and locate the pressing member on the retaining member, the retaining member has the hole that can supply the gas circulation, and fixed cover and two whistles are located to the cover.

Optionally, the double whistle is arranged at one end of the ventilation regulating valve far away from the mask, and the double whistle is installed on the ventilation regulating valve through a fixing sleeve.

Optionally, two whistles are kept away from face guard one end and are formed the bulge loop along radial extension, the bulge loop is provided with the first spacing groove that can supply fixed cover part card to go into towards face guard one side, the bulge loop is kept away from face guard one side and is provided with the second spacing groove that can supply locking piece part card to go into.

Optionally, a plurality of through holes are arranged on the convex ring at intervals along the circumferential direction of the double-sound whistle.

Optionally, the pressing member includes a disc-shaped plate body, and an outer sleeve and an inner sleeve which are integrally formed on the plate body, the outer sleeve is circumferentially provided with a plurality of vent grooves at intervals, and the inner sleeve is partially inserted into the inner hole; the locking piece is also provided with a movable cavity, wherein the outer sleeve can be at least partially inserted into the movable cavity; an elastic piece with one end connected with the outer sleeve is also arranged in the movable cavity.

Optionally, a guide groove is formed in the inner wall of the locking member, the guide groove includes an initial section extending from one end of the locking member away from the mask to the direction of the mask, a limiting section arranged along the axial direction of the locking member, and a transverse section arranged along the circumferential direction of the locking member, one end of the transverse section is connected with one end of the initial section close to the mask, and the other end of the transverse section is connected with one end of the limiting section close to the mask; and/or the length of the limiting section is smaller than that of the starting section.

Optionally, a sealing member is mounted at one end of the locking member, which is far away from the mask, and the sealing member is pressed when the pressing member is attached to the locking member.

Optionally, an dressing pad is arranged on the edge of the face mask, and the sectional area of the dressing pad is gradually increased towards the direction far away from the face mask.

Optionally, an elastic band is arranged on the mask, and the elastic band is of an elastic structure; and the mask is provided with a connecting ring connected with the elastic band.

In conclusion, the utility model has the following beneficial effects:

1. the examinee breathes out and breathes in air freely by wearing the utility model, the air flow passes through the ventilation regulating valve and then reaches the double-whistle, the double-whistle respectively sends out the corresponding air inlet whistle and air outlet whistle, and both the examinee and the examinee can confirm or train the inspiration and expiration states and frequencies through the frequency and the rhythm of the whistle.

2. The utility model can meet the requirements of CT/MRI examination and provides a breathing training and auxiliary control device which is simple to operate, practical and safe. Under the condition that the examinee wears the device comfortably, the examinee can autonomously adjust the breathing rhythm according to the received breathing instruction, the double-sound whistle frequency, the gas resistance during breathing and other multidimensional information, the condition that the examinee is possibly caused to be unhappy by receiving single breathing instruction information at present is improved, and meanwhile, the examinee can also determine the breathing control state according to whistle feedback, so that the effective breathing training and auxiliary control of the examinee are realized, and the CT/MRI examination image quality and examination efficiency are improved.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective view of fig. 1 from another perspective.

Fig. 3 is a cutaway perspective view of fig. 1.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a cut-away perspective view of a portion of the structure of fig. 3.

Fig. 6 is an enlarged view at B in fig. 5.

Fig. 7 is an enlarged view at C in fig. 5.

Fig. 8 is an exploded view of a portion of the structure of fig. 1.

Fig. 9 is a partial cutaway perspective view of fig. 8.

Fig. 10 is a perspective view of the pressing member of fig. 1.

Fig. 11 is a perspective view of the air regulating valve of fig. 1.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1-11, a breathing training and auxiliary control device for CT/MRI examination comprises a face mask 10, a ventilation regulating valve 20, a double-whistle 31 and a blocking component, wherein the face mask 10 is of a transparent structure, so that the state of a patient can be observed conveniently, and the face mask 10 is provided with a cavity 11 which covers the mouth and nose areas simultaneously; the air regulating valve 20 is mounted on the face mask 10, is communicated with the cavity 11, and is used for changing the size of an air passage in the air regulating valve 20, increasing or reducing the resistance of air flow entering and exiting, and further regulating the flow of air entering and exiting the cavity 11; the double-whistle 31 is arranged at one end of the ventilation regulating valve 20, which is far away from the mask 10, so that the gas entering and exiting the cavity 11 flows through the double-whistle 31, the double-whistle 31 respectively emits corresponding gas inlet whistle and gas outlet whistle, the double-whistle 31 is the prior art, and the structure is not repeated; the occlusion assembly is mounted on the vent regulator valve 20 for operation by the subject to occlude the vent regulator valve 20 and/or whistle 31.

The examinee breathes out and inhales gas freely by wearing the utility model, the airflow passes through the ventilation regulating valve 20 and the double-bang whistle 31, the double-bang whistle 31 respectively sends out corresponding air inlet whistle and air outlet whistle, and both the examinee and the examinee can confirm or train the states and the frequencies of air suction and air exhalation through the frequency and the rhythm of the whistle.

In some embodiments, the mask 10 is integrally formed with a boss 12, and the boss 12 is provided with a through hole communicated with the cavity 11; the ventilation regulating valve 20 is of a ball valve structure and comprises a valve body 21, a valve core 22 and a handle 23; one end of the valve body 21 is in threaded connection with the boss 12, so that the connection mode is simple, and the vent regulating valve 20 is convenient to disassemble and clean; the valve core 22 is rotatably arranged in the medium flow passage, and a circulation hole is arranged on the valve core 22; the handle 23 is connected with the valve core 22 and is rotatably mounted on the valve body 21 for controlling the valve core 22 to operate to regulate the gas flow.

In some embodiments, a protrusion 231 is integrally formed on one side of the handle 23 facing the valve body, and a blocking portion 211 corresponding to the protrusion is arranged on the valve body and located on a rotation track of the protrusion 231; through the cooperation of fender portion 211 and arch 231, restriction handle 23's turned angle avoids the breather valve to close completely, eliminates the person of being examined and suffocates the risk.

In some embodiments, the squeaky whistle 31 is mounted on the end of the valve body 21 away from the mask 10 through a fixing sleeve 32, the fixing sleeve 32 includes an insertion section 321 and an expanding section 322, wherein the insertion section 321 is inserted into the medium flow channel, the outer diameter of the expanding section 322 is greater than the inner diameter of the medium flow channel, and the expanding section 322 cooperates with the valve body 21 to limit the fixing sleeve 32; the double-whistle 31 extends along the fixing sleeve 32 in the radial direction at the end far away from the face mask 10 to form a convex ring 311, and the convex ring 311 is overlapped on the end of the expanding section 322 far away from the face mask 10. The convex ring 311 is provided with a first limiting groove 312 towards one side of the face mask 10, into which the fixing sleeve 32 is partially inserted, and the first limiting groove 312 is annular to limit the convex ring 311, so as to prevent the convex ring 311 from radially shifting along the fixing sleeve 32.

In some embodiments, the protruding ring 311 is provided with a plurality of through holes 313 at intervals along the circumferential direction thereof, so that a part of the gas exhaled or inhaled by the subject passes through the double whistle 31, and the other part passes through the through holes 313, thereby increasing the gas flow rate and avoiding the influence on the normal breathing of the subject due to the flow rate limitation of the double whistle 31.

In some embodiments, the blocking assembly comprises a locking member 41, a pressing member 42, an elastic member 43; the locking piece 41 is provided with an inner hole 411 for gas to flow through, and is sleeved on the fixed sleeve 32 and the double-whistle 31, and at least part of the structure of the locking piece 41 is in threaded connection with the valve body 21; at least part of the inner wall of the locking piece 41 extends towards the axial center to form an inner convex part 412, when the locking piece 41 is screwed with the valve body 21, the inner convex part 412 is abutted with the convex ring 311, so that the double-whistle 31 is fixed, and the displacement of the double-whistle 31 under the impact of gas is avoided; correspondingly, the protruding ring 311 is provided with a second limiting groove 314 into which the inner protrusion 412 is partially inserted, and the second limiting groove 314 is formed in an annular shape. The pressing piece 42 can be arranged on the locking piece 41 in an axial sliding manner along the locking piece 41 and is used for plugging the inner hole 411; the pressing member 42 includes a plate 421, and an outer sleeve 422 and an inner sleeve 423 integrally formed on the plate 421, wherein the outer sleeve 422 and the inner sleeve 423 are coaxially disposed and have a gap, a plurality of ventilation grooves 424 are circumferentially disposed on the outer sleeve 422 at intervals, and the inner sleeve 423 is partially inserted into the inner hole 411; the locking member 41 is further provided with a movable cavity 413, the movable cavity 413 is arranged in a ring shape, and the opening of the movable cavity 413 faces the pressing member 42, wherein the outer sleeve 422 can be at least partially inserted into the movable cavity 413; the elastic member 43 is a spring, and is disposed in the movable chamber 413 with one end connected to the outer sleeve 422.

In the initial state, under the action of the elastic member 43, the plate 421 and the end of the locking member 41 away from the mask 10 are spaced apart, so that the air can enter the inner hole 411 through the vent groove 424, and the examinee can breathe normally; when the CT/MRI examination requires the examinee to complete breath holding or breathing action instructions in time, the examinee sends corresponding breathing instructions, and the examinee independently extrudes the pressing piece 42 to further plug the inner hole 411 to assist in realizing rapid breath holding action; after the inspection is completed, the pressing piece 42 is loosened, the pressing piece 42 is restored to the initial position under the pushing of the elastic piece 43, the gas is conducted, so that the examinee can breathe normally, and the operation is convenient and fast.

Further, the inner diameter of the inner protrusion 412 is the same as the inner diameter of the diameter-expanding section 322, so that the inner diameter and the inner diameter are prevented from being displaced, and the stability of the convex ring 311 is improved.

In some embodiments, the inner wall of the locking member 41 is provided with a guiding groove 414, the guiding groove 414 includes a starting section 4141, a transverse section 4142 and a limiting section 4143, wherein the starting section 4141 and the limiting section 4143 are respectively arranged along the axial direction of the locking member 41, the starting section 4141 extends from one end of the locking member 41 away from the face mask 10 to the face mask 10, and the length of the limiting section 4143 is smaller than that of the starting section 4141; the transverse section 4142 is arranged along the circumferential direction of the locking part 41, one end of the transverse section 4142 is connected with one end of the starting end close to the face mask 10, and the other end is connected with one end of the limiting section 4143 close to the face mask 10; the inner housing 423 is provided with a slider 425 on an upper outer wall thereof to be slidable along the guide groove 414. When the pressing piece 42 is assembled with the locking piece 41, the sliding block 425 is aligned to the initial section 4141 and inserted into the locking piece 41, after the sliding block 425 moves to the transverse section 4142, the pressing piece 42 is rotated to enable the sliding block 425 to move to a position corresponding to the limiting section 4143, the pressing piece 42 is released, and under the action of the elastic piece 43, the sliding block 425 enters the limiting section 4143 to limit the pressing piece 42; in the initial state, the slider 425 is positioned at the end of the retention segment 4143 distal to the mask 10. By providing the guide groove 414 and the slider 425, the attachment and detachment of the pressing member 42 is facilitated.

In some embodiments, a sealing member 44 is installed at an end of the locking member 41 away from the mask 10, and when the plate body 421 contacts the locking member 41 to press the sealing member 44, a gap between the plate body 421 and the locking member 41 is sealed, thereby improving a sealing effect.

In some embodiments, the edge of the face mask 10 is provided with a dressing pad 51, the dressing pad 51 is made of rubber or silica gel, and the face mask 10 is attached to the face of the examinee through the dressing pad 51, so that the sealing effect is improved, and the comfort is improved. The sectional area of the dressing pad 51 is gradually increased in the direction away from the face mask 10, so that the attaching effect of the dressing pad 51 and the face of the examinee is improved.

Furthermore, a clamping groove 13 is formed in the inner wall of the face mask 10, a clamping portion 511 capable of being clamped into the clamping groove 13 is arranged on the dressing pad 51, the clamping portion 511 is matched with the clamping groove 13 to mount the dressing pad 51 on the face mask 10, the dressing pad 51 is convenient to assemble and disassemble, and the dressing pad is convenient to clean. Of course, in other embodiments, the dressing pad 51 may be bonded directly to the mask 10.

In some embodiments, the mask 10 is provided with an elastic band 52, the elastic band 52 is an elastic structure, and when the mask 10 is worn on a person, the elastic band 52 is tied to the head of the person, thereby fixing the mask 10; the mask 10 is provided with a connection ring 53 connected to the elastic band 52.

The specific working process is as follows:

(1) when the CT/MRI examination needs to adjust the respiratory frequency of the examinee, the examinee increases or decreases the resistance of the air flow in and out by changing the size of the air passage in the ventilation regulating valve 20 and sends out a necessary respiratory instruction at the same time, and the examinee self-changes and adjusts the respiratory rhythm according to the received respiratory instruction, the double-whistle 31 audio frequency and the change of the air resistance during respiration, thereby realizing the respiratory training and the auxiliary control;

(2) when the CT/MRI examination requires the examinee to complete breath holding or breathing action instructions in time, the examinee sends out corresponding breathing instructions, and the examinee automatically plugs or opens the air outlet of the double-ringing whistle 31 through fingers, so that the fast breath holding or breathing action is realized in an auxiliary mode, and whether the breathing instructions are completed or not can be determined according to the stopping and sending of the 31-tone double-whistle.

In conclusion, the utility model can meet the requirements of CT/MRI examination and provides a breathing training and auxiliary control device which is simple to operate, practical and safe. Under the condition that the examinee wears the device comfortably, breathing rhythm regulation is carried out autonomously according to received breathing instruction, double-bang whistle 31 audio frequency, gas resistance and other multidimensional information during breathing, the condition that the examinee is probably unhappy due to the fact that single breathing instruction information is received at present is improved, meanwhile, the examiner can also determine a breathing control state according to whistle feedback, effective breathing training and auxiliary control of the examinee are achieved, and the CT/MRI examination image quality and examination efficiency are improved.

The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.

Claims (10)

1. A breathing training and auxiliary control device for CT/MRI examination, characterized by: comprises that

A mask having a cavity simultaneously covering the oral and nasal regions;

the ventilation regulating valve is arranged on the mask and is provided with a medium flow passage communicated with the cavity;

the double-whistle is arranged on the ventilation regulating valve or the mask and is positioned on a flowing path of the gas entering and exiting the cavity.

2. The breathing training and auxiliary control device for CT/MRI examination as claimed in claim 1, wherein: still including the shutoff subassembly that is used for shutoff air regulation valve and/or two whistles, this shutoff subassembly is including locating the retaining member on the air regulation valve, can follow retaining member axial slip and locate the pressing member on the retaining member, the retaining member has the hole that can supply the gas circulation, and fixed cover and two whistles are located to the cover.

3. The breathing training and auxiliary control device for CT/MRI examination as claimed in claim 2, wherein: the double-whistle is arranged at one end, far away from the mask, of the ventilation regulating valve, and the double-whistle is installed on the ventilation regulating valve through a fixing sleeve.

4. A breathing training and assistance control device for CT/MRI examinations according to claim 3 characterized in that: two whistles are kept away from face guard one end and are formed the bulge loop along radially extending, the bulge loop is provided with the first spacing groove that can supply fixed cover part card to go into towards face guard one side, the bulge loop is kept away from face guard one side and is provided with the second spacing groove that can supply locking piece part card to go into.

5. The breathing training and auxiliary control device for CT/MRI examinations according to claim 4, characterized in that: the protruding ring is provided with a plurality of through holes at intervals along the circumferential direction of the double-sound whistle.

6. The breathing training and auxiliary control device for CT/MRI examination as claimed in claim 2, wherein: the pressing piece comprises a disc-shaped plate body, an outer sleeve and an inner sleeve which are integrally formed on the plate body, a plurality of vent grooves are formed in the outer sleeve at intervals along the circumferential direction, and the inner sleeve is partially inserted into an inner hole; the locking piece is also provided with a movable cavity, wherein the outer sleeve can be at least partially inserted into the movable cavity; an elastic piece with one end connected with the outer sleeve is also arranged in the movable cavity.

7. The breathing training and auxiliary control device for CT/MRI examination as claimed in claim 2, wherein: the inner wall of the locking piece is provided with a guide groove, the guide groove comprises an initial section extending towards the direction of the face mask from one end, far away from the face mask, of the locking piece, a limiting section arranged along the axial direction of the locking piece and a transverse section arranged along the circumferential direction of the locking piece, one end of the transverse section is connected with one end, close to the face mask, of the initial section, and the other end of the transverse section is connected with one end, close to the face mask, of the limiting section; and/or the length of the limiting section is smaller than that of the starting section.

8. The breathing training and auxiliary control device for CT/MRI examination as claimed in claim 2, wherein: the retaining member is kept away from face guard one end and is installed the sealing member, compresses tightly the sealing member when pressing member and retaining member laminating.

9. The breathing training and auxiliary control device for CT/MRI examination as claimed in claim 1, wherein: an dressing pad is arranged on the edge of the face mask, and the sectional area of the dressing pad is gradually increased towards the direction far away from the face mask.

10. The breathing training and auxiliary control device for CT/MRI examination as claimed in claim 1, wherein: the mask is provided with an elastic band which is of an elastic structure; and the mask is provided with a connecting ring connected with the elastic band.

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