CN111956223A

CN111956223A - Nose respiratory airflow monitoring device

Info

Publication number: CN111956223A
Application number: CN202010935728.9A
Authority: CN
Inventors: 黄东; 曹璐; 李君实
Original assignee: Xiumei Beijing Microsystems Technology Co Ltd
Current assignee: Xiumei Beijing Microsystems Technology Co Ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2020-11-20

Abstract

The embodiment of the invention provides a nasal respiratory airflow monitoring device, which comprises: a donning member having an attachment surface for securing in position in a human; the air duct is connected with the wearing piece, deviates from the binding surface and is suitable for being arranged outside the nasal cavity of a human body, and the air duct is provided with an air inlet which is used for being opposite to the nasal cavity; the sensor is arranged on the inner wall of the air guide pipe; and the control circuit is electrically connected with the sensor and is used for receiving the airflow information monitored by the sensor. According to the nasal respiratory airflow monitoring device provided by the embodiment of the invention, the sensor is arranged on the inner wall of the air duct, so that the interference of external airflow can be eliminated, the wearing piece is arranged, the air duct is fixed outside the nasal cavity, the airflow exhaled by the nasal cavity can be monitored, the discomfort of a user can be relieved by monitoring outside the nasal cavity, and the interference to the normal activity of the user is reduced.

Description

Nose respiratory airflow monitoring device

Technical Field

The invention relates to the technical field of wearable equipment, in particular to a nasal respiratory airflow monitoring device.

Background

The respiratory state of a human body is closely related to the health condition, and the smoothness of respiration not only represents the basic survival demand of the human body, but also is related to various chronic diseases. For example, Sleep Apnea Syndrome (SAS), which is a Sleep disorder in which Apnea occurs during Sleep, is medically defined, and Sleep Apnea and hypopnea are repeatedly initiated more than 30 times during night Sleep, or Sleep Apnea hypopnea index is 5 times/hour or more, and may be considered as Sleep Apnea Syndrome. The disease has high morbidity and high potential risk coefficient, and may cause hypertension, aggravation of respiratory failure, arrhythmia, myocardial infarction or sudden death and other dangerous conditions. Moreover, according to related research, the incidence rate increases with age. In addition, for patients with partial thoracoabdominal dysfunction, close monitoring of respiratory status is required over a long period of time to provide guidance on the recovery of the disease and follow-up interventions.

The existing respiratory monitoring equipment often needs to be connected into a nasal catheter to the inner side of a nostril, so that a user feels uncomfortable, the sleep of the user is seriously influenced, and the nasal catheter extension tube is communicated to an external monitoring host machine or a breathing machine and other devices, so that the normal activity of the user can be limited.

Disclosure of Invention

The embodiment of the invention provides a nasal respiratory airflow monitoring device, which is used for solving the defects that a user feels uncomfortable and seriously affects the sleep of the user because a nasal catheter needs to be connected to the inner side of a nostril in the prior art, and the normal activity of the user is limited because the nasal catheter extension tube is communicated to an external monitoring host machine or a breathing machine and other devices, so that the uncomfortable feeling of the user is relieved, and the interference on the normal activity of the user is reduced.

The embodiment of the invention provides a nasal respiratory airflow monitoring device, which comprises: a donning member having an attachment surface for securing in position in a human; the air duct is connected with the wearing piece, deviates from the binding surface and is suitable for being arranged outside the nasal cavity of a human body, and the air duct is provided with an air inlet which is used for being opposite to the nasal cavity; the sensing part of the sensor is communicated with the airflow channel in the air duct; and the control circuit is electrically connected with the sensor and is used for receiving the airflow information monitored by the sensor.

According to the nasal respiratory airflow monitoring device of one embodiment of the present invention, the sensor is disposed in a region of the airflow path inside the airway that has the smallest cross-sectional area.

According to the nasal respiratory airflow monitoring device provided by the embodiment of the invention, the inner wall of the air guide tube comprises the bulge, and the sensor is arranged on the bulge or is arranged opposite to the bulge along the radial direction of the air guide tube.

According to the nasal respiratory airflow monitoring device provided by the embodiment of the invention, the distance between the boss and the air inlet along the axial direction of the air guide tube is at least half of the length of the air guide tube.

According to the nasal respiratory airflow monitoring device provided by the embodiment of the invention, the bulge part is annular, and the bulge part is arranged on the inner wall of the air guide tube along the circumferential direction of the air guide tube.

According to the nasal respiratory airflow monitoring device, one surface of the bulge facing the airflow channel is a smooth curved surface, and the thickness of the bulge gradually increases from one side root to the top and gradually decreases from the top to the other side root.

According to the nasal respiratory airflow monitoring device provided by the embodiment of the invention, the control circuit is arranged inside the wearing piece.

A nasal respiratory airflow monitoring device according to one embodiment of the present invention, further comprising: the integrated piece is used for being worn on a human body, the integrated piece and the wearing piece are arranged at intervals, the integrated piece is flexibly connected with the air duct, and the control circuit is arranged inside the integrated piece.

According to the nasal respiratory airflow monitoring device provided by the embodiment of the invention, the air guide tube is provided with a mounting groove and a wiring groove, the wiring groove is arranged along the axial direction of the air guide tube, the mounting groove is arranged on the inner wall of the air guide tube and is open towards the inside of the air guide tube, the mounting groove is communicated with the wiring groove, and the sensor is mounted in the mounting groove.

According to a nasal respiratory airflow monitoring device of one embodiment of the present invention, the control circuit comprises: the device comprises a control module, a communication module, a storage module, a switch module, a power supply module and a transmission interface, wherein the communication module, the storage module, the switch module, the power supply module and the transmission interface are all electrically connected with the control module, and the transmission interface is used for charging and/or transmitting data. According to the nasal respiratory airflow monitoring device provided by the embodiment of the invention, the sensor is arranged on the inner wall of the air duct, so that the interference of external airflow can be eliminated, the wearing piece is arranged, the air duct is fixed outside the nasal cavity, the airflow exhaled by the nasal cavity can be monitored, the discomfort of a user can be relieved by monitoring outside the nasal cavity, and the interference to the normal activity of the user is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a nasal respiratory airflow monitoring device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a first airway tube according to an embodiment of the invention;

FIG. 3 is a schematic view of a second airway tube according to an embodiment of the invention;

FIG. 4 is an enlarged partial schematic view at A of FIG. 3;

FIG. 5 is a schematic view of a third airway tube according to embodiments of the present invention;

FIG. 6 is a schematic structural view of a fourth airway tube provided in accordance with embodiments of the present invention;

FIG. 7 is a schematic structural view of a fifth airway tube provided by an embodiment of the invention;

FIG. 8 is a schematic view of a sixth embodiment of the airway tube according to the invention;

FIG. 9 is a schematic view of a first nasal airflow monitoring device according to an embodiment of the present invention;

FIG. 10 is a schematic view of a second nasal airflow monitoring device according to an embodiment of the present invention;

FIG. 11 is a schematic view of a third nasal airflow monitoring device according to an embodiment of the present invention;

FIG. 12 is a schematic diagram of the connection of the control circuitry and sensors of a nasal airflow monitor according to an embodiment of the present invention;

FIG. 13 is a graphical representation of respiratory monitoring obtained by a nasal respiratory airflow monitoring device according to an embodiment of the present invention.

Reference numerals:

the air guide pipe 10, the air inlet 11, the air flow channel 12, the protruding part 13, the mounting groove 14, the wiring groove 15, the air outlet 16, the wearing piece 20, the control module 31, the communication module 32, the storage module 33, the switch module 34, the power supply module 35, the transmission interface 36, the sensor 40, the integrated piece 50 and the transmission cable 51.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

A nasal respiratory airflow monitoring device according to an embodiment of the present invention is described below with reference to fig. 1-13.

As shown in fig. 1, an embodiment of the present invention provides a nasal airflow monitoring device, including: wearing piece 20, airway tube 10, sensor 40 and control circuitry (not shown).

Wherein the wearing piece 20 has a fitting surface for fixing in position in a human body.

It can be understood that wearing piece 20 and being arranged in being fixed in the human body with nose breathing air current monitoring devices, because what need monitor is that the nose breathes, wearing piece 20 selects human people in the position to fix, can adopt the binding face that has the stickness to glue in people in the position, also can adopt the elastic cord cover to locate the brain for the binding face of wearing piece 20 and the laminating of people in the position.

The air duct 10 is connected with the wearing piece 20, the air duct 10 deviates from the binding surface and is suitable for being arranged outside the nasal cavity of a human body, and the air duct 10 is provided with an air inlet 11 which is used for being opposite to the nasal hole.

The length of the airway tube 10 may be 5mm to 25mm, for example 15mm, and the diameter of the inscribed circle formed by the inner wall of the airway tube 10 may be 3mm to 15mm, for example 10 mm.

It can be understood that the number of the airway tube 10 can be two, and the airway tube 10 is connected to the wearing piece 20, and the connection mode of the airway tube 10 and the wearing piece 20 can be either fixed connection or detachable connection. Airway tube 10 is located on the side of wearing piece 20 facing away from the attachment surface. The airway tube 10 is not inserted into the nasal cavity, but is placed outside the nasal cavity of the person, with the air inlet 11 of the airway tube 10 facing the nostril.

In actual use, airflow exhaled by the nostrils enters the airway tube 10 from the air inlet 11 and leaves the airway tube 10 from the air outlet 16, and the airway tube 10 can block the interference of external airflow to the respiratory airflow.

The sensing part of the sensor 40 is communicated with the air flow channel 12 inside the air duct 10.

As shown in fig. 2, the sensor 40 may be spaced from the inner wall of the airway tube 10, and a support mechanism may be used to suspend the sensor 40 in the airflow passage 12.

As shown in fig. 3, the sensor 40 may also be provided on the inner wall of the airway tube 10.

Mounted on the inner wall of the airway tube 10 is a sensor 40 which is capable of monitoring the flow of breathing gas, the sensor 40 may comprise a pressure sensor or a temperature sensor, such that the pressure or temperature of the flow of breathing gas may be monitored.

The control circuit is electrically connected to the sensor 40 for receiving the airflow information monitored by the sensor 40.

The control circuitry may provide power to the sensor 40 and may be in signal communication with the sensor 40 and may receive information regarding the airflow monitored by the sensor 40.

In practical use, the control circuit may be configured to collect only the airflow information monitored by the sensor 40, and send the airflow information to the external device, and the external device analyzes and processes the airflow information to obtain the monitoring result.

Of course, the control circuit may also be configured to, after receiving the airflow information monitored by the sensor 40, analyze and process the airflow information to directly obtain the monitoring result.

According to the nasal respiratory airflow monitoring device provided by the embodiment of the invention, the sensor 40 is arranged on the inner wall of the air duct 10, so that the interference of external airflow can be eliminated, the wearing piece 20 is arranged, the air duct 10 is fixed outside the nasal cavity, the airflow exhaled by the nasal cavity can be monitored, the discomfort of a user can be relieved by monitoring outside the nasal cavity, and the interference on the normal activities of the user is reduced.

As shown in fig. 3, in some embodiments, the sensor 40 is located in the region of the airway passage 12 inside the airway tube 10 where the cross-sectional area is smallest.

It will be appreciated that the air flow passage 12 inside the airway tube 10 may be straight, as shown in figure 5, and that the cross-sectional area of the air flow passage 12 remains constant throughout the air flow passage 12, and that the sensor 40 may be located in any region of the air flow passage 12.

The air flow passage 12 in the airway tube 10 may also have a narrow region in which the flow of exhaled nasal air is restricted from a wider region to a narrow region, and the sensor 40 may be located in the region of the air flow passage 12 having the smallest cross-sectional area, so that the sensitivity of the respiratory airflow monitoring is improved as the airflow is restricted by the narrow region.

As shown in fig. 3, 6-8, in some embodiments, the inner wall of airway tube 10 includes a raised portion 13, and sensor 40 is disposed on raised portion 13, or is disposed radially opposite raised portion 13 along airway tube 10.

It will be appreciated that the inner wall of the airway tube 10 may be provided with a raised portion 13, the raised portion 13 may narrow the air flow passage 12 inside the airway tube 10 to form a narrow region, and the sensor 40 may be disposed in the narrow region, directly on the top of the raised portion 13, or radially along the airway tube 10 at a position on the inner wall opposite to the raised portion 13.

As shown in fig. 3, in some embodiments, the raised portion 13 is spaced from the air inlet 11 along the axis of the airway tube 10 by at least half the length of the airway tube 10.

It will be appreciated that the raised portion 13 may be provided at the axial midpoint of the airway tube 10, or at any position on the inner wall of the axial midpoint in a direction away from the inlet 11, i.e. the raised portion 13 is not too close to the inlet 11, but rather is spaced apart from the inlet 11, and the distance between the raised portion 13 and the inlet 11 along the axial direction of the airway tube 10 is at least half the length of the airway tube 10.

It should be noted that, by such an arrangement, the narrow region can be moved backward properly, and the airflow exhaled from the nasal cavity needs to pass through a certain stroke before reaching the narrow region, so that the restriction effect on the airflow from the nose can be improved, and the sensitivity of the sensor 40 can be further improved.

As shown in fig. 8, in some embodiments, the raised portion 13 is annular, and the raised portion 13 is disposed on the inner wall of the airway tube 10 along the circumferential direction of the airway tube 10.

It can be understood that the raised portion 13 may be annular, the outer ring is connected to the inner wall of the airway tube 10, and the inner ring narrows the airflow channel 12 of the airway tube 10, so that the airflow exhaled from the nasal cavity can be uniformly restricted, the restriction effect is better, and the accuracy of monitoring by the sensor 40 can be improved.

As shown in fig. 6 to 8, in some embodiments, the side of the protrusion 13 facing the airflow passage 12 is a smooth curved surface, and the thickness of the protrusion 13 gradually increases from one side root to the top and gradually decreases from the top to the other side root.

It can be understood that, the side of the protruding portion 13 facing the airflow channel 12 is set to be a smooth curved surface, and the thickness of the protruding portion 13 is designed to be gradually reduced from the top to the roots on both sides, and the thickness of the protruding portion 13 does not change suddenly, so that the arrangement can make the collision and friction generated when the airflow passes through the protruding portion 13 relatively slight and smooth, and avoid generating loud noise.

As shown in fig. 9, in some embodiments, the control circuitry is provided inside the wearing piece 20.

It should be noted that the control circuit of the nasal respiratory airflow monitoring device may be disposed inside the wearing part 20, so as to avoid the need to connect the sensor 40 and the control circuit by using a redundant circuit, so that the nasal respiratory airflow monitoring device is portable, and the interference to the normal activities of the user can be reduced.

As shown in fig. 10, the control circuit may also be disposed on an external device, not worn on the human body, and may be flexibly connected to the sensor 40 through a transmission cable 51, so that the external power supply is convenient for providing cruising ability.

As shown in fig. 11, in some embodiments, the nasal respiratory airflow monitoring device further comprises: the integrated piece 50 is used for being worn on a human body, the integrated piece 50 is flexibly connected with the airway tube 10, and the control circuit is arranged inside the integrated piece 50.

It is understood that the integrated piece 50 is disposed apart from the wearing piece 20, the control circuit is not disposed in the wearing piece 20, but disposed in the integrated piece 50, and the integrated piece 50 can be worn on other parts of the human body besides the middle position of the human body, such as the ear, the arm or the waist. By arranging the control circuit inside the integrated part 50 spaced apart from the wearing part 20, the wearing part 20 can be prevented from being too heavy, the pressure on the mouth and nose area of the user can be prevented from being too high, and meanwhile, certain portability can be realized.

As shown in fig. 4, in some embodiments, the airway tube 10 has a mounting groove 14 and a wiring groove 15, the wiring groove 15 is disposed along the axial direction of the airway tube 10, the mounting groove 14 is disposed on the inner wall of the airway tube 10 and opens toward the inside of the airway tube 10, the mounting groove 14 communicates with the wiring groove 15, and the sensor 40 is mounted to the mounting groove 14.

It will be appreciated that a mounting slot 14 is formed in the inner wall of the airway tube 10, the mounting slot 14 opens into the air flow passage 12 of the airway tube 10, and the sensor 40 is mounted in the mounting slot 14.

Meanwhile, wiring groove 15 has still been seted up to air duct 10, and wiring groove 15 sets up along the axial of air duct 10, can be towards the inner wall opening, also can not open, only imbeds inside the pipeline wall, and wiring groove 15 and mounting groove 14 intercommunication, sensor 40's transmission cable 51 can be drawn forth from wiring groove 15, can avoid transmission cable 51 to expose outside, provides nose breathing air current monitoring devices's job stabilization nature.

As shown in fig. 12, in some embodiments, the control circuit includes: the charging device comprises a control module 31, a communication module 32, a storage module 33, a switch module 34, a power supply module 35 and a transmission interface 36, wherein the communication module 32, the storage module 33, the switch module 34, the power supply module 35 and the transmission interface 36 are all electrically connected with the control module 31, and the transmission interface 36 is used for charging and/or transmitting data.

It is understood that the communication module 32 may communicate using at least one of bluetooth, WIFI, 4G or 5G; the storage module 33 may adopt a FLASH memory chip, the power supply module 35 may include a lithium battery and a voltage stabilizing module, the voltage stabilizing module may adopt an LDO (low dropout regulator), the power supply module 35 may also be used to connect an external power supply for power supply or charging, and the transmission interface 36 may be used to connect an external device to transmit the monitored airflow information.

The inventor carries out related experiments, as shown in fig. 13, the nasal respiratory airflow monitoring device monitors respiration after being fixed below the nostrils, and a respiration monitoring curve graph of 50 seconds is obtained, wherein the ordinate is the flow of airflow, and the abscissa is time, so that the respiratory state of a user can be clearly displayed, wherein the time is 0-16 seconds: a normal breathing state; 16-30 seconds: a suspended breathing state; 30-42 seconds: a normal breathing state; 42-50 seconds: a state of suspended breathing.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A nasal respiratory airflow monitoring device, comprising:

a donning member having an attachment surface for securing in position in a human;

the air duct is connected with the wearing piece, deviates from the binding surface and is suitable for being arranged outside the nasal cavity of a human body, and the air duct is provided with an air inlet which is used for being opposite to the nasal cavity;

the sensing part of the sensor is communicated with the airflow channel in the air duct;

and the control circuit is electrically connected with the sensor and is used for receiving the airflow information monitored by the sensor.

2. The nasal respiratory airflow monitoring device of claim 1, wherein the sensor is located in a region of the airflow passageway inside the airway tube having a smallest cross-sectional area.

3. The nasal respiratory airflow monitoring device of claim 2, wherein the inner wall of the airway tube includes a raised portion, and the sensor is disposed on the raised portion or directly opposite to the raised portion along the radial direction of the airway tube.

4. A nasal respiratory airflow monitoring device according to claim 3 wherein the raised portion is spaced from the air port in the axial direction of the airway tube by at least half the length of the airway tube.

5. The nasal respiratory airflow monitoring device of claim 3, wherein the raised portion is annular, and the raised portion is disposed on an inner wall of the airway tube along a circumferential direction of the airway tube.

6. A nasal respiratory airflow monitoring device according to claim 3 wherein a face of the protrusion facing the airflow passage is smoothly curved and the thickness of the protrusion increases from root to tip and decreases from root to root.

7. The nasal respiratory airflow monitoring device of any one of claims 1-6, wherein the control circuit is disposed within the donning member.

8. A nasal respiratory airflow monitoring device according to any one of claims 1-6, further comprising: the integrated piece is used for being worn on a human body, the integrated piece and the wearing piece are arranged at intervals, the integrated piece is flexibly connected with the air duct, and the control circuit is arranged inside the integrated piece.

9. The nasal respiratory airflow monitoring device according to any one of claims 1-6, wherein the air duct has a mounting groove and a wiring groove, the wiring groove is disposed along an axial direction of the air duct, the mounting groove is disposed on an inner wall of the air duct and opens toward an interior of the air duct, the mounting groove communicates with the wiring groove, and the sensor is mounted to the mounting groove.

10. The nasal respiratory airflow monitoring device of any one of claims 1-6, wherein the control circuit includes: the device comprises a control module, a communication module, a storage module, a switch module, a power supply module and a transmission interface, wherein the communication module, the storage module, the switch module, the power supply module and the transmission interface are all electrically connected with the control module, and the transmission interface is used for charging and/or transmitting data.