阅读说明：本技术 一种同时检测左右鼻阻力的装置及方法 (Device and method for simultaneously detecting resistance of left nose and right nose ) 是由 潘劲松 刘妍妍 王征 聂旭东 贾春红 丁宇豪 于 2021-01-16 设计创作，主要内容包括：本发明公开了一种同时检测左右鼻阻力的装置及方法,涉及鼻阻力检测装置技术领域。它包含鼻流量采集装置和主控部分,用于采集左右鼻腔呼吸气体流量的鼻流量采集装置和用于检测分析鼻流量和鼻阻力大小的主控部分通过通气软管连接。鼻流量采集装置由鼻橄榄头、通气软管一和通气软管二组成,两个鼻橄榄头安装在两个通气软管一的一端,两个通气软管一的另一端连接至主控部分；通气软管二的一端外露于大气中,其另一端连接至主控部分。本发明鼻流量采集装置的鼻橄榄头有多种型号,适合不同年龄段的患者；一次性检测两侧鼻阻力,方便快捷；只需测量前放置于左右鼻孔,无需中途调换位置；前方鼻流量采集装置为一次性使用组件,可有效防止交叉感染。(The invention discloses a device and a method for simultaneously detecting left and right nasal resistance, and relates to the technical field of nasal resistance detection devices. The nasal flow collection device comprises a nasal flow collection device and a main control part, wherein the nasal flow collection device is used for collecting the flow of respiratory gas of left and right nasal cavities, and the main control part is used for detecting and analyzing the nasal flow and the nasal resistance and is connected with the main control part through a ventilation hose. The nasal flow collecting device consists of nasal olive heads, first ventilation hoses and second ventilation hoses, wherein the two nasal olive heads are arranged at one ends of the first ventilation hoses, and the other ends of the first ventilation hoses are connected to the main control part; one end of the second air hose is exposed in the atmosphere, and the other end of the second air hose is connected to the main control part. The nasal olive head of the nasal flow collecting device has various types, and is suitable for patients of different ages; the resistance of the two noses is detected at one time, so that the operation is convenient and fast; only the left nostril and the right nostril are needed to be placed before measurement, and the positions are not needed to be changed midway; the nose flow collecting device in front is a disposable component, which can effectively prevent cross infection.)

1. The utility model provides a device of nasal resistance about simultaneous detection, its characterized in that, it contains nasal flow collection system and main control part for the nasal flow collection system who gathers about nasal cavity breathing gas flow passes through the air hose connection with the main control part that is used for detecting analysis nasal flow and nasal resistance size.

2. The device for simultaneously detecting the resistance of the left nose and the right nose as claimed in claim 1, wherein the nasal flow collecting device is composed of nasal olive heads, a first ventilation hose and a second ventilation hose, the two nasal olive heads are installed at one ends of the first ventilation hose, and the other ends of the first ventilation hose are connected to the main control part; one end of the second air hose is exposed in the atmosphere, and the other end of the second air hose is connected to the main control part.

3. The device for simultaneously detecting the resistance of the left nose and the right nose according to claim 1, wherein the main control part consists of a left flow sensor, a right flow sensor, a left differential pressure sensor, a right differential pressure sensor, a third ventilation hose, a fourth ventilation hose, a fifth ventilation hose, a sixth ventilation hose and a flowmeter device, wherein the first ventilation hose on the left side is connected to the left flowmeter device, an interface in front of a baffle of the left flowmeter device is connected to the third ventilation hose, the other end of the third ventilation hose is divided into two paths and is respectively connected to the left flow sensor and the left differential pressure sensor, an interface behind the baffle of the left flowmeter device is connected to one end of the fourth ventilation hose, and the other end of the fourth ventilation hose is connected to the left flow; the interface in front of the baffle of the flow meter device on the right side is connected with a fifth ventilation hose, the other end of the fifth ventilation hose is divided into two paths which are respectively connected to a right flow sensor and a right differential pressure sensor, the interface behind the baffle of the flow meter device on the right side is connected with one end of a sixth ventilation hose, and the other end of the sixth ventilation hose is connected with the right flow sensor; one end of the second air hose is exposed in the atmosphere, and the other end of the second air hose is divided into two paths which are respectively connected to the left differential pressure sensor and the right differential pressure sensor.

4. The device for simultaneously detecting the resistance of the left and right nose as claimed in claim 2, wherein the nasal olive head is a disposable nasal olive head.

5. The device for simultaneously detecting the resistance of the left nose and the right nose as claimed in claim 2, wherein the nasal flow collecting device and the main control part are integrated into a handheld terminal, the nasal flow collecting device is positioned at the upper part of the handheld terminal, and the main control part is positioned inside the handheld terminal.

6. A method for simultaneously detecting the resistance of the left nose and the right nose is characterized by comprising the following steps:

firstly, before detection, a patient needs to ensure stable breathing, then a doctor selects a proper nasal flow collecting device with a nasal olive head according to the size of the nostril of the patient and installs the nasal flow collecting device on a handheld terminal with a main control part, the patient gently plugs the nasal olive head into the nostril under the condition of keeping stable breathing, a second ventilation hose is put into the oral cavity of the patient to start detection, and the patient uses the nose to breathe normally to ensure that the mouth is not opened;

collecting the respiratory gas of the left and right nasal cavities through a nasal olive head and a first ventilation hose respectively, transmitting the first ventilation hose on the left side to a left flowmeter device, connecting an interface in front of a baffle of the left flowmeter device with a third ventilation hose, and dividing the tail end of the third ventilation hose into two paths to be connected with a left flow sensor and a left differential pressure sensor respectively to obtain a left front nasal cavity pressure value P1; the right ventilation hose I is transmitted to the right flow meter device, an interface in front of a baffle of the right flow meter device is connected with a ventilation hose V, the tail end of the ventilation hose V is divided into two paths and is respectively connected with a right flow sensor and a right differential pressure sensor, and a right front nasal cavity pressure value P1 can be obtained; the flow value V of the left nasal cavity and the right nasal cavity can be obtained through the measurement of the left flow sensor and the right flow sensor; the tail end of the second ventilation hose is divided into two paths which are respectively connected with the left differential pressure sensor and the right differential pressure sensor, so that a pressure value P2 of the rear nasal cavity can be obtained; according to the formula: the nasal resistance is | the pressure of the anterior nasal cavity-the pressure of the posterior nasal cavity |/the flow, and the final nasal resistance value can be obtained;

and thirdly, taking down the detection device after 5-7 respiratory cycles are acquired, and displaying and printing a test result by the upper computer or the lower computer after the detection is finished.

Technical Field

The invention relates to the technical field of nasal resistance detection devices, in particular to a device and a method for simultaneously detecting left and right nasal resistance.

Background

Nasal resistance testing was proposed at the end of the last century and since it was proposed, methods of nasal resistance testing have also been developed by researchers abroad at the beginning of this century from subjective observation and nasal endoscopy. At present, nasal resistance measuring instruments adopted by a plurality of hospitals in China all depend on import from abroad.

According to the nasal resistance meter of Gimm company in England, the flow and pressure of the left nasal cavity and the flow and pressure of the right nasal cavity are respectively taken when the nasal resistance meter is used for detection, the pressure taking tube is firstly placed in the nasal cavity on one side when the nasal resistance meter is used for detection, the pressure taking tube is taken out and placed in the nasal cavity on the other side after the detection is finished, two groups of data obtained once are processed by a core processing chip, and the resistance of the left nasal cavity and the resistance of the right nasal cavity are. This detection method does measure the resistance of the left and right nose, but such a detection method has the following drawbacks:

firstly, the method is somewhat cumbersome to operate, and a patient can obtain a desired result only by measuring twice;

secondly, the position of the pressure tube needs to be changed and the position of the pressure tube plugged into the nasal cavity needs to be adjusted when a patient carries out detection, so that the detection efficiency is low, the detection time needed by a detected person is long, and particularly for younger children, long-time detection consumes patience and brings difficulty to detection;

finally, the measurement method has the phenomenon that the placing position of the pressure sampling pipe is inaccurate, so that the measurement data is inaccurate.

Disclosure of Invention

Technical problem to be solved

The invention aims to provide a device and a method for simultaneously detecting the resistance of left and right noses, which aim to solve the problems that the operation is complicated and the pressure taking position needs to be changed back and forth when the flow and the resistance of a single side are respectively taken; the efficiency is low, and the detection time is long; the problem that the pressure sampling pipe is placed at a position with deviation and measurement data is inaccurate when the pressure sampling pipe is exchanged back and forth.

(II) technical scheme

In order to achieve the purpose, the invention provides a device for simultaneously detecting the resistance of left and right noses, which comprises a nasal flow collecting device and a main control part, wherein the nasal flow collecting device for collecting the respiratory gas flow of the left and right nasal cavities is connected with the main control part for detecting and analyzing the nasal flow and the nasal resistance through an air hose.

As a further improvement of the invention, the nasal flow collecting device consists of nasal olive heads, a first ventilation hose and a second ventilation hose, wherein the two nasal olive heads are arranged at one ends of the first ventilation hoses, and the other ends of the first ventilation hoses are connected to the main control part; one end of the second air hose is exposed in the atmosphere, and the other end of the second air hose is connected to the main control part.

As a further improvement of the invention, the main control part comprises a left flow sensor, a right flow sensor, a left differential pressure sensor, a right differential pressure sensor, a third ventilation hose, a fourth ventilation hose, a fifth ventilation hose, a sixth ventilation hose and a flowmeter device, wherein the first ventilation hose on the left side is connected to the flowmeter device on the left side, an interface in front of a baffle of the flowmeter device on the left side is connected to the third ventilation hose, the other end of the third ventilation hose is divided into two paths and is respectively connected to the left flow sensor and the left differential pressure sensor, an interface behind the baffle of the flowmeter device on the left side is connected to one end of the fourth ventilation hose, and the other end of the fourth ventilation; the interface in front of the baffle of the flow meter device on the right side is connected with a fifth ventilation hose, the other end of the fifth ventilation hose is divided into two paths which are respectively connected to a right flow sensor and a right differential pressure sensor, the interface behind the baffle of the flow meter device on the right side is connected with one end of a sixth ventilation hose, and the other end of the sixth ventilation hose is connected with the right flow sensor; one end of the second air hose is exposed in the atmosphere, and the other end of the second air hose is divided into two paths which are respectively connected to the left differential pressure sensor and the right differential pressure sensor.

As a further improvement of the invention, the nasal olive head is a disposable nasal olive head.

As a further improvement of the invention, the nasal flow collecting device and the main control part are integrated into a handheld terminal, the nasal flow collecting device is positioned at the upper part of the handheld terminal, and the main control part is positioned in the handheld terminal.

As a further improvement of the invention, the handheld terminal is connected with the host.

The invention also provides a method for simultaneously detecting the resistance of the left nose and the right nose, which comprises the following steps:

firstly, before detection, a patient needs to ensure stable breathing, then a doctor selects a proper nasal flow collecting device with a nasal olive head according to the size of the nostril of the patient and installs the nasal flow collecting device on a handheld terminal with a main control part, the patient gently plugs the nasal olive head into the nostril under the condition of keeping stable breathing, a second ventilation hose is put into the oral cavity of the patient to start detection, and the patient uses the nose to breathe normally to ensure that the mouth is not opened;

collecting the respiratory gas of the left and right nasal cavities through a nasal olive head and a first ventilation hose respectively, transmitting the first ventilation hose on the left side to a left flowmeter device, connecting an interface in front of a baffle of the left flowmeter device with a third ventilation hose, and dividing the tail end of the third ventilation hose into two paths to be connected with a left flow sensor and a left differential pressure sensor respectively to obtain a left front nasal cavity pressure value P1; the right ventilation hose I is transmitted to the right flow meter device, an interface in front of a baffle of the right flow meter device is connected with a ventilation hose V, the tail end of the ventilation hose V is divided into two paths and is respectively connected with a right flow sensor and a right differential pressure sensor, and a right front nasal cavity pressure value P1 can be obtained; the flow value V of the left nasal cavity and the right nasal cavity can be obtained through the measurement of the left flow sensor and the right flow sensor; the tail end of the second ventilation hose is divided into two paths which are respectively connected with the left differential pressure sensor and the right differential pressure sensor, so that a pressure value P2 of the rear nasal cavity can be obtained; according to the formula: the nasal resistance is | the pressure of the anterior nasal cavity-the pressure of the posterior nasal cavity |/the flow, and the final nasal resistance value can be obtained;

and thirdly, taking down the detection device after 5-7 respiratory cycles are acquired, and displaying and printing a test result by the upper computer or the lower computer after the detection is finished.

(III) advantageous effects

Compared with the prior art, after the technical scheme is adopted, the invention has the beneficial effects that:

1. the invention has simple structure, high integration level, convenient installation and easy operation;

2. the olive head in front of the nasal flow collecting device has various types, and is suitable for patients of different ages;

3. the invention has simple operation, can detect the resistance of the two noses at one time, is more rapid and saves the measuring time;

4. the olive head is placed in the nostril before measurement, the pressure-taking hose is contained in the oral cavity, and the position does not need to be changed midway, so that the olive pressure measuring instrument is convenient to use;

5. the front nasal flow collecting device is a disposable component, can effectively prevent cross infection, and is clean and sanitary.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of a nasal flow collection device in an embodiment provided herein;

FIG. 3 is a schematic view of the enlarged partial structure of FIG. 2;

description of reference numerals:

1. a nasal olive head; 2. a first air hose; 3. a second air hose; 4. a left flow sensor; 5. a left differential pressure sensor; 6. a right flow sensor; 7. a right differential pressure sensor; 8. a third air hose; 9. a fourth air hose; 10. a fifth air hose; 11. a sixth air hose; 12. a flow meter device.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-3, an embodiment of the present invention is shown: a device and method for detecting resistance of left and right nose simultaneously comprises a nasal olive head 1, a first ventilation hose 2, a second ventilation hose 3, a left flow sensor 4, a left differential pressure sensor 5, a right flow sensor 6, a right differential pressure sensor 7, a third ventilation hose 8, a fourth ventilation hose 9, a fifth ventilation hose 10, a sixth ventilation hose 11 and a flowmeter 12, wherein the nasal olive head 1, the first ventilation hose 2 and the second ventilation hose 3 form a nasal flow collecting device for collecting respiratory gas flow of left and right nasal cavities, the two nasal olive heads 1 are arranged at one ends of the two first ventilation hoses 2, and the other ends of the two first ventilation hoses 2 are connected to a main control part; one end of the second ventilation hose 3 is exposed in the atmosphere, the other end of the second ventilation hose is connected to the main control part, and the nasal olive head 1 is a disposable nasal olive head. The left flow sensor 4, the right flow sensor 6, the left differential pressure sensor 5, the right differential pressure sensor 7, the third air hose 8, the fourth air hose 9, the fifth air hose 10, the sixth air hose 11 and the flowmeter 12 form a main control part, the first left air hose 2 is connected to the left flowmeter 12, an interface in front of a baffle of the left flowmeter 12 is connected with the third air hose 8, the other end of the third air hose 8 is divided into two paths and is respectively connected to the left flow sensor 4 and the left differential pressure sensor 5, an interface behind the baffle of the left flowmeter 12 is connected with one end of the fourth air hose 9, and the other end of the fourth air hose 9 is connected to the left flow sensor 4; an interface in front of a baffle of the right flow meter device 12 is connected with a five ventilating hose 10, the other end of the five ventilating hose 10 is divided into two paths which are respectively connected to a right flow sensor 6 and a right differential pressure sensor 7, an interface behind the baffle of the right flow meter device 12 is connected with one end of a six ventilating hose 11, and the other end of the six ventilating hose 11 is connected with the right flow sensor 6; one end of the second air hose 3 is exposed in the atmosphere, and the other end of the second air hose is divided into two paths which are respectively connected to the left differential pressure sensor 5 and the right differential pressure sensor 7.

In this embodiment, the nasal flow collection device and the main control part are integrated into a handheld terminal, the nasal flow collection device is located at the upper part of the handheld terminal, the main control part is located inside the handheld terminal, and the handheld terminal is connected with the host, the upper computer or the lower computer.

The application method and principle of the embodiment are as follows:

firstly, before detection, a patient needs to ensure stable breathing, and then a doctor selects a proper nasal flow collecting device with a nasal olive head 1 according to the size of the nostril of the patient and installs the nasal flow collecting device on a handheld terminal with a main control part. The patient gently plugs the olive head 1 into the nostril under the condition of keeping stable breathing, and puts the second ventilation hose 3 into the oral cavity, so that the nostril cannot be deformed during placement, but the nostril plugging is ensured to be airtight. And then, the connected host, the upper computer or the lower computer is used for starting detection, the patient only needs to use the nose to breathe normally, the mouth is ensured not to open, the detection device can be taken down after about six respiratory cycles are collected, and the upper computer or the lower computer displays a test result and prints the test result after the detection is finished.

The air breathed by the left and right nasal cavities is respectively collected through the olive nose head 1 and the ventilation hose I2, the ventilation hose I2 on the left side is transmitted to the flowmeter device 12 on the left side, an interface in front of a baffle of the flowmeter device 12 on the left side is connected with the ventilation hose III 8, the tail end of the ventilation hose III 8 is divided into two paths which are respectively connected with the left flow sensor 4 and the left differential pressure sensor 5, and a left front nasal cavity pressure value P1 can be obtained; the right ventilation hose I2 is transmitted to the right flow meter device 12, an interface in front of a baffle of the right flow meter device 12 is connected with a ventilation hose V10, the tail end of the ventilation hose V10 is divided into two paths which are respectively connected with the right flow sensor 6 and the right differential pressure sensor 7, and a right front nasal cavity pressure value P1 can be obtained; the flow value V of the left nasal cavity and the right nasal cavity can be obtained through the measurement of the left flow sensor 4 and the right flow sensor 6; the tail end of the second ventilation hose 3 is divided into two paths which are respectively connected with the left differential pressure sensor 5 and the right differential pressure sensor 7, so that a pressure value P2 of the rear nasal cavity can be obtained; according to the formula: the nasal resistance is | anterior nasal cavity pressure-posterior nasal cavity pressure |/flow, and the final nasal resistance value can be obtained.

In conclusion, the invention solves the complex and tedious problem that the existing products in the market respectively collect the unilateral resistance, and has simple structure, convenient assembly and convenient use; the size is small and exquisite, easy operation, and convenient to use and operation improve data acquisition's efficiency and rate of accuracy.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.