CN203915698U - Noinvasive nitric oxide autonomous respiration feed system - Google Patents

Noinvasive nitric oxide autonomous respiration feed system Download PDF

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Publication number
CN203915698U
CN203915698U CN201420334741.9U CN201420334741U CN203915698U CN 203915698 U CN203915698 U CN 203915698U CN 201420334741 U CN201420334741 U CN 201420334741U CN 203915698 U CN203915698 U CN 203915698U
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air
nitric oxide
pipe line
air pipe
mask assembly
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CN201420334741.9U
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昌克勤
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昌克勤
刘平
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Abstract

Noinvasive nitric oxide autonomous respiration feed system, comprising: Enclosed mask assembly, there is exhalation vents and air entry, and wherein the exhalation vents place of Enclosed mask assembly is provided with the expiratory one-way valve and the air entry place that are communicated with atmosphere and is provided with breather cheek valve; Have the air pipe line of first end and the second end, wherein the first end of air pipe line is communicated with the air entry air-tightness of Enclosed mask assembly, and the second end of air pipe line is provided with the breather check valve being communicated with atmosphere; The oxygen branch line being communicated with air pipe line air-tightness respectively and nitric oxide branch line; Be arranged on the mass air flow sensor in air pipe line; And control device.Utilize noinvasive nitric oxide autonomous respiration feed system of the present utility model, the nitric oxide that patient can airtight suction certain concentration without intubate in the situation that is treated, and expiration and air-breathing separating carry out.Not only greatly alleviate patient's misery, and air feed stable and uniform and accurate, system is simple to operate, safe and practical.

Description

Noinvasive nitric oxide autonomous respiration feed system
Technical field
This utility model relates to a kind of nitric oxide autonomous respiration feed system.
Background technology
Nitric oxide has special curative effect at for example pulmonary hypertension of some disease for the treatment of, but due to nitric oxide production toxicity and easily oxidizable, Effects of inhaled nitric oxide requires patient to carry out under tracheal intubation at present.Tracheal intubation needs professional to operate, when band pipe, need to carry out appropriateness calmness and monitoring, also need to possess respiratory assistance apparatus etc., tracheal intubation can increase patient breathing system and infect, and these have all seriously limited application and the popularization of Effects of inhaled nitric oxide.
Utility model content
The purpose of this utility model is to provide a kind of noinvasive nitric oxide autonomous respiration feed system (device), can make the nitric oxide of patient's airtight suction certain concentration without intubate in the situation that treat.
According to noinvasive nitric oxide autonomous respiration feed system of the present utility model, comprising:
Enclosed mask assembly, has exhalation vents and air entry, and wherein the exhalation vents place of Enclosed mask assembly is provided with the expiratory one-way valve and the air entry place that are communicated with atmosphere and is provided with breather cheek valve;
Have the air pipe line of first end and the second end, wherein the first end of air pipe line is communicated with the air entry air-tightness of Enclosed mask assembly, and the second end of air pipe line is provided with the breather check valve being communicated with atmosphere;
The oxygen branch line being communicated with air pipe line air-tightness respectively and nitric oxide branch line;
Be arranged on the mass air flow sensor in air pipe line; And
Control device, is connected with mass air flow sensor, for the individual patients air imbibed quantity detecting according to mass air flow sensor, controls respectively the gas flow in oxygen branch line and nitric oxide branch line.
In a preferred embodiment of the present utility model, also comprise the gas detector being connected with control device, for detection of the gas componant in the air pipe line at the air entry place of contiguous Enclosed mask assembly.Under preferable case, air pipe line is also provided with gas sample mouth at the air entry place of contiguous Enclosed mask assembly, and gas sample mouth is communicated with the gas detector air-tightness of air pipe line outside.More preferably in situation, air pipe line is also provided with pressure limiting valve at the air entry place of contiguous Enclosed mask assembly, in the time that the gas pressure in air pipe line exceedes predetermined value, and automatically outside emission gases.Further, under preferable case, gas sampling mouth is arranged on pressure limiting valve upstream.
In a specific embodiment of the present utility model, wherein Enclosed mask assembly comprises Enclosed mask dough-making powder shield joint, face shield joint has face shield link and air pipe line link, the exhalation vents of Enclosed mask assembly is arranged on face shield joint and the air pipe line link of face shield joint limits the air entry of Enclosed mask assembly, and Enclosed mask removably air-tightness is connected in the face shield link of face shield joint.In this case, the opening of breather cheek valve directly leads to the face shield link of face shield joint.Under preferable case, expiratory one-way valve is the annular plate valve arranging around the face shield link of face shield joint.Further, under preferable case, the multiple check valves that wherein arrange on the periphery wall of annular plate valve by face shield joint form.
In another preferred embodiment of the present utility model, wherein the upstream portion of oxygen branch line, nitric oxide branch line and air pipe line forms Parallet three-way valve tubular construction, the second end setting of the contiguous air pipe line of mass air flow sensor.
Utilize noinvasive nitric oxide autonomous respiration feed system of the present utility model, the nitric oxide that patient can airtight suction certain concentration without intubate in the situation that is treated, and expiration and air-breathing separating carry out.Not only greatly alleviate patient's misery, and air feed stable and uniform and accurate, system is simple to operate, safe and practical.
Brief description of the drawings
Fig. 1 is according to noinvasive nitric oxide autonomous respiration feed system overall schematic of the present utility model; And
Fig. 2 is according to the breathing pipeline schematic diagram of noinvasive nitric oxide autonomous respiration feed system of the present utility model one specific embodiment.
Detailed description of the invention
Describe noinvasive nitric oxide autonomous respiration feed system of the present utility model (device) in detail below in conjunction with accompanying drawing, those skilled in the art are to be understood that, embodiment described below is only to exemplary illustration of the present utility model, but not for it being made to any restriction.
Fig. 1 shows noinvasive nitric oxide autonomous respiration feed system of the present utility model substantially, and this system mainly comprises Enclosed mask assembly 1, air (master) pipeline 2, mass air flow sensor 3, oxygen branch line 4, nitric oxide branch line 5.
Enclosed mask assembly 1 has exhalation vents 7 and air entry 15, and wherein exhalation vents 7 places of Enclosed mask assembly 1 are provided with the expiratory one-way valve 8 and air entry 15 places that are communicated with atmosphere and are provided with breather cheek valve 9.Enclosed mask assembly 1 can fit tightly with patient's snout.
Air pipe line 2 has first end 21 and the second end 22, and wherein the first end 21 of air pipe line 2 is communicated with air entry 15 air-tightness of Enclosed mask assembly 1, and 22, second end of air pipe line 2 is provided with the breather check valve 10 being communicated with atmosphere.Suck for patient to unidirectional conveying air in air pipe line 2 by breather check valve 10.Under normal circumstances, air pipe line 2 is the corrugated tubing of length 1m left and right, diameter 30mm left and right (child 15mm left and right).
Oxygen branch line 4 is connected with air pipe line 2 air-tightness respectively with nitric oxide branch line 5.Oxygen branch line 4 is connected with oxygen supply source by flexible pipe, is provided with oxygen valve assembly in hose line, generally includes oxygen pressure reducing valve and oxygen flow meter.Equally, nitric oxide branch line 5 is also connected with nitric oxide supply source by flexible pipe, is provided with nitric oxide valve module in hose line, generally includes nitric oxide air relief valve and nitric oxide effusion meter.In air pipe line 2, supply oxygen and the nitric oxide of predetermined amount of flow respectively by two branch lines 4,5, and it is interior for patient's suction after mixing with the air in air pipe line 2, to enter Enclosed mask assembly 1.The arrangement of two branch lines 4,5 and air pipe line 2 can have a variety of, the mode of arranging before and after a kind of airintake direction along air pipe line 2 shown in Fig. 1.
In air pipe line 2, be provided with mass air flow sensor 3, be used for detecting the air imbibed quantity of individual patients.Can prepare oxygen and the nitric oxide supply flow in oxygen branch line 4 and nitric oxide branch line 5 according to the air imbibed quantity of each individual patients.Thereby can accurately control oxygen and nitric oxide production inhaled concentration for different individual patients, improve therapeutic effect.
Noinvasive nitric oxide autonomous respiration feed system of the present utility model can also comprise control device 12, control device 12 is connected with oxygen valve assembly, nitric oxide valve module and mass air flow sensor 3 respectively, for the individual patients air imbibed quantity detecting according to mass air flow sensor 3, control respectively the gas flow in oxygen branch line 4 and nitric oxide branch line 5.Control device both can regulate oxygen valve assembly and nitric oxide valve module to determine oxygen and nitric oxide production flow manually, also can be by Automatic control of single chip microcomputer oxygen valve assembly, nitric oxide valve module to determine oxygen and nitric oxide production flow.
The air entry 15 of noinvasive nitric oxide autonomous respiration feed system of the present utility model contiguous Enclosed mask assembly 1 on air pipe line 2 is also provided with gas sample mouth 6, gas sample mouth 6 is communicated with gas detector 13 air-tightness, for detection of gas componant and concentration in the air pipe line 2 at air entry 15 places of contiguous Enclosed mask assembly 1.Gas detector 13 can be self-contained unit, also can be combined in control device 12.In gas detector 13, there are oxygen, nitric oxide and three electrochemical sensors of nitrogen dioxide of being arranged in parallel, can detect respectively the concentration of three kinds of gases.Gas detector 13 has real-time demonstration and warning function, can send sound and/or light and report to the police, thereby remind monitoring personnel or patient to take treatment measures in the time that the gas concentration detecting exceedes default scope.Gas detector 13 also can effectively be connected with control device 12, the gas componant that control device 12 detects according to gas detector 13, the gas flow in real-time monitoring oxygen branch line 4 and nitric oxide branch line 5.Gas detector 13 can also comprise sampling pump, electromagnetic valve component and control unit (all not shown in figure).Can realize predetermined amount of flow by them and extract the mist sample in air pipe line 2, thereby can monitor continuously each gas concentration of air pipe line 2.Gas detector 13 also has gas sampling pipeline conventionally, and gas sampling pipeline can be connected with exhaust gas absorption device, thereby the gas after detection is processed by exhaust gas absorption device, to avoid contaminated environment.
Air pipe line 2 is also provided with pressure limiting valve (or pressure relief valve) 11 at air entry 15 places of contiguous Enclosed mask assembly 1, in the time that the gas pressure in air pipe line 2 exceedes predetermined value (threshold value), and automatically outside emission gases.In addition, gas sample mouth 6 operated by rotary motion in air pipe line 2 are in the upstream of pressure limiting valve 11 (pressing the flow direction of air).Thereby suck gas passing through again pressure limiting valve 11 by 6 samplings rear (having reduced a part of pressure) of gas sample mouth, can avoid to a certain extent delaying work of pressure limiting valve 11.
Fig. 2 shows a specific embodiment of the breathing pipeline of noinvasive nitric oxide autonomous respiration feed system of the present invention.Wherein Enclosed mask assembly 1 comprises Enclosed mask 14 dough-making powder shield joints 17.Face shield joint 17 has face shield link 16 and air pipe line link 19.The exhalation vents 7 of Enclosed mask assembly 1 is arranged on face shield joint 17 and the air pipe line link 19 of face shield joint 17 limits the air entry 15 of Enclosed mask assembly 1.Enclosed mask 14 removably air-tightness is connected in the face shield link 16 of face shield joint 17.Thereby in the time changing patient, only need to change disposable Enclosed mask 14, not only convenient but also health.
As shown in Figure 2, the opening of breather cheek valve 9 directly leads to the face shield link 16 of face shield joint 17.Being shaped as of face shield joint 17 is cylindrical, air entry 15 air inlet that directly the face shield link 16 of shield joint 17 limits face-to-face that air pipe line link 19 limits.Expiratory one-way valve 8 is the annular plate valves that arrange around the face shield link 16 of face shield joint 17.The multiple check valves that wherein arrange on the periphery wall of annular plate valve by face shield joint 17 form.Enclosed mask assembly 1 shown in Fig. 1 has T-shaped face shield joint, wherein breather cheek valve 9 and expiratory one-way valve 8 layout that meets at right angles.Dead space region when this arrangement can make to exhale is larger, and the gas of exhalation more remains in dead space region, is repeatedly sucked again, thereby affect therapeutic effect when air-breathing.Annular plate valve arrangement shown in Fig. 2 can reduce dead space region greatly, residual breath is minimized, thereby greatly improve therapeutic effect.
Also as shown in Figure 2, wherein the upstream portion of oxygen branch line 4, nitric oxide branch line 5 and air pipe line 2 forms Parallet three-way valve tubular construction, and this structure can be mixed gas more fully.The second end 22 of mass air flow sensor 3 contiguous air pipe lines 2 arranges.Mass air flow sensor 3 is differential pressure flowmeter, and differential pressure flowmeter is quick on the draw, and test result is accurate.
Briefly introduce again the workflow of noinvasive nitric oxide autonomous respiration feed system of the present utility model below as an example of Fig. 1 example.
First, this system is connected with oxygen supply source and nitric oxide supply source; Again Enclosed mask assembly 1 is worn over to patient's snout and forms sealing connection.Patient from the second end 22 of air pipe line 2 by breather check valve 10 from atmosphere when autonomous air amount, mass air flow sensor 3 is measured the inspiration capacity of individual patients, calculates oxygen and nitric oxide production supply flow according to the inspiration capacity size of measuring and the predetermined nitric oxide inhaled concentration of therapeutic scheme.Again by manually or automatically controlling oxygen valve assembly and nitric oxide valve module to the corresponding gas of supplying predetermined amount of flow in air pipe line 2.After mixing in air pipe line 2, air, oxygen and nitric oxide gas enter Enclosed mask assembly 1 by breather cheek valve 9 interior for patient's suction.When patient exhales, because the pressure of Enclosed mask assembly 1 is greater than the pressure in air pipe line 2, breather check valve 10 and breather cheek valve 9 be all automatically in closed condition, and expiratory one-way valve 8 is automatically opened in atmosphere and discharged breath.When patient is air-breathing, breather check valve 10 and breather cheek valve 9 are opened automatically, and expiratory one-way valve 8 is closed automatically.So repeatedly breathe, realize the nitric oxide production autonomous respiration treatment of noinvasive.
Utilize noinvasive nitric oxide autonomous respiration feed system of the present utility model, the nitric oxide that patient can airtight suction certain concentration without intubate in the situation that is treated, and expiration and air-breathing separating carry out.Not only greatly alleviate patient's misery, and air feed stable and uniform and accurate, system is simple to operate, safe and practical.

Claims (10)

1. a noinvasive nitric oxide autonomous respiration feed system, is characterized in that, comprising:
Enclosed mask assembly, has exhalation vents and air entry, and wherein the exhalation vents place of Enclosed mask assembly is provided with the expiratory one-way valve and the air entry place that are communicated with atmosphere and is provided with breather cheek valve;
Have the air pipe line of first end and the second end, wherein the first end of air pipe line is communicated with the air entry air-tightness of Enclosed mask assembly, and the second end of air pipe line is provided with the breather check valve being communicated with atmosphere;
The oxygen branch line being communicated with air pipe line air-tightness respectively and nitric oxide branch line;
Be arranged on the mass air flow sensor in air pipe line; And
Control device, is connected with mass air flow sensor, for the individual patients air imbibed quantity detecting according to mass air flow sensor, controls respectively the gas flow in oxygen branch line and nitric oxide branch line.
2. noinvasive nitric oxide autonomous respiration feed system according to claim 1, is characterized in that, also comprises the gas detector being connected with control device, for detection of the gas componant in the air pipe line at the air entry place of contiguous Enclosed mask assembly.
3. noinvasive nitric oxide autonomous respiration feed system according to claim 2, it is characterized in that, wherein air pipe line is also provided with gas sample mouth at the air entry place of contiguous Enclosed mask assembly, and gas sample mouth is communicated with the gas detector air-tightness of air pipe line outside.
4. noinvasive nitric oxide autonomous respiration feed system according to claim 3, it is characterized in that, wherein air pipe line is also provided with pressure limiting valve at the air entry place of contiguous Enclosed mask assembly, in the time that the gas pressure in air pipe line exceedes predetermined value, and automatically outside emission gases.
5. noinvasive nitric oxide autonomous respiration feed system according to claim 4, is characterized in that, wherein gas sampling mouth is arranged on pressure limiting valve upstream.
6. noinvasive nitric oxide autonomous respiration feed system according to claim 1, it is characterized in that, wherein Enclosed mask assembly comprises Enclosed mask dough-making powder shield joint, face shield joint has face shield link and air pipe line link, the exhalation vents of Enclosed mask assembly is arranged on face shield joint and the air pipe line link of face shield joint limits the air entry of Enclosed mask assembly, and Enclosed mask removably air-tightness is connected in the face shield link of face shield joint.
7. noinvasive nitric oxide autonomous respiration feed system according to claim 6, is characterized in that, wherein the opening of breather cheek valve directly leads to the face shield link of face shield joint.
8. noinvasive nitric oxide autonomous respiration feed system according to claim 7, is characterized in that, wherein expiratory one-way valve is the annular plate valve arranging around the face shield link of face shield joint.
9. noinvasive nitric oxide autonomous respiration feed system according to claim 8, is characterized in that, the multiple check valves that wherein arrange on the periphery wall of annular plate valve by face shield joint form.
10. noinvasive nitric oxide autonomous respiration feed system according to claim 1, it is characterized in that, wherein the upstream portion of oxygen branch line, nitric oxide branch line and air pipe line forms Parallet three-way valve tubular construction, the second end setting of the contiguous air pipe line of mass air flow sensor.
CN201420334741.9U 2014-06-20 2014-06-20 Noinvasive nitric oxide autonomous respiration feed system Active CN203915698U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104014063A (en) * 2014-06-20 2014-09-03 昌克勤 Noninvasive nitric oxide autonomous respiration supply system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104014063A (en) * 2014-06-20 2014-09-03 昌克勤 Noninvasive nitric oxide autonomous respiration supply system

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