CN207970319U - Single loop disinfection type Breathing Suppotion sets backup breathing system - Google Patents

Abstract

The utility model is related to a kind of single loop disinfection type Breathing Suppotions to set backup breathing system comprising breathing circuit and for air circuit；It further include breathing circuit disinfecting mechanism, the breathing circuit disinfecting mechanism includes the sterilization gas generator for generating sterilizing gas and the closure connecting leg for blocking breathing circuit, when blocking connecting leg closure breathing circuit, breathing circuit and the sterilizing loop for blocking formation permission sterilizing gas circulating flow between connecting leg；When blocking connecting leg closure breathing circuit, sterilization gas generator could work and generate sterilizing gas, and the sterilizing gas that sterilization gas generator generates enters in sterilizing loop, sterilizing gas carries out sterilizing in sterilizing loop internal circulation flow, to realize to breathing circuit.The utility model is compact-sized, can effectively realize that the respiratory system to Breathing Suppotion equipment carries out disinfection, and reduces disinfection amount, improves disinfection efficiency, securely and reliably.

Description

Single loop disinfection type Breathing Suppotion sets backup breathing system

Technical field

The utility model is related to a kind of Breathing Suppotions to set backup breathing system, especially a kind of single loop disinfection type breathing branch Holding equipment respiratory system belongs to the technical field of medical instrument.

Background technology

Anesthesia machine/lung ventilator is the Medical Devices that must be used in general anesthesia, and breathing is provided for patient in general anesthesia It supports, and sucking anaesthetic is provided into patient airway.

Anesthesia machine/lung ventilator is at high price, it is clear that cannot accomplish that a people one is thrown with one.In order to avoid Anesthesia machine/lung ventilator Cross-infection when being used between different patients, has developed Anesthesia machine/lung ventilator sterilizing machine in the market.But Anesthesia machine/lung ventilator Sterilizing machine needs sterilizing gas inlet and outlet being connected to Anesthesia machine/lung ventilator inlet and outlet connectors, it is also necessary to profession using cumbersome Personnel aside operate and guard.After the completion of Anesthesia machine/lung ventilator disinfection, vacuum suction system is reused by Anesthesia machine/breathing Remaining sterilizing gas discharge in machine pipeline.

Also costly, use is extremely inconvenient for Anesthesia machine/lung ventilator sterilizing machine price, it is difficult to after accomplishing each patient's use Routine disinfection.The chance of cross-infection has been retained to operation patients.Urgent clinical needs one kind can after can ensure that each patient's use Anesthesia machine/the lung ventilator for implementing disinfection thoroughly avoids cross-infection.

Invention content

The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of single loop disinfection type breathing branch Holding equipment respiratory system, it is compact-sized, it can effectively realize that the respiratory system to Breathing Suppotion equipment carries out disinfection, reduction disappears Malicious workload improves disinfection efficiency, securely and reliably.

According to technical solution provided by the utility model, the single loop disinfection type Breathing Suppotion sets backup breathing system, Connect including breathing circuit and with the breathing circuit for air circuit；Further include being exhaled for what is carried out disinfection to breathing circuit Suck back road disinfecting mechanism, the breathing circuit disinfecting mechanism include for generate the sterilization gas generator of sterilizing gas with And the closure connecting leg for blocking breathing circuit is formed when blocking connecting leg closure breathing circuit between breathing circuit and closure connecting leg Allow the sterilizing loop of sterilizing gas circulating flow；

When blocking connecting leg closure breathing circuit, sterilization gas generator could work and generate sterilizing gas Body, and the sterilizing gas that sterilization gas generator generates enters in sterilizing loop, sterilizing gas disappears in sterilization Poison ring road internal circulation flow carries out sterilizing to realize to breathing circuit.

Further include the conversion valve with the first connection status and the second connection status, sterilization gas generator, gas supply Circuit is connect by conversion valve with breathing circuit；

It when conversion valve is in the first connection status, is connected to breathing circuit by conversion valve for air circuit, to realize Breathing circuit is supplied；When with connecting leg closure breathing circuit is blocked, conversion valve automatically switches to the second connection status, The sterilizing gas that sterilization gas generator generates enters sterilizing loop by conversion valve, to realize to breathing circuit Sterilizing.

The breathing circuit includes air inlet branch road and outlet branch, air inlet branch road include for receive the breathing of air inlet into Tracheae, outlet branch include breathing escape pipe for receiving outlet and the carbon dioxide suction that connect with the breathing escape pipe Closed cans, absorption exhaust pipe of the setting for outlet on carboloy dioxide canister, the gas after carboloy dioxide canister absorbs are logical Crossing absorption exhaust pipe can enter in breathing air inlet pipe.

Machine control respirator and manual sacculus, the machine control respirator and manual sacculus are additionally provided in the breathing air inlet pipe It is connect with breathing air inlet pipe by being pressurized connecting tube, breathes the breather check valve for being additionally provided with determining gas flow in air inlet pipe.

Described for air circuit includes the source of oxygen for providing high-concentration oxygen and the sky for providing low concentration oxygen Air source, the oxygen in the source of oxygen, the air in air-source can enter in the Volatile anesthetic of the volatilizable anaesthetic of storage, Volatile anesthetic Interior volatilizable anaesthetic can follow mixed oxygen, air to enter breathing circuit.

Source of oxygen connecting leg is equipped in the source of oxygen, one end of source of oxygen connecting leg is connect with source of oxygen, source of oxygen connecting leg The other end connect with source of oxygen flowmeter, source of oxygen flowmeter is connected to by source of oxygen flowmeter connecting leg with Volatile anesthetic；

It is also set up on source of oxygen connecting leg for the rapid air feeding pipe to breathing circuit rapid air feeding, is arranged on rapid air feeding pipe High-speed switch.

Setting is for being adapted to the source of oxygen connector of connection, shape of ventilating for control with source of oxygen on the source of oxygen connecting leg The source of oxygen control switch of state and the source of oxygen control valve for adjusting venting pressure.

The air-source is equipped with air-source connecting leg, and one end of the air-source connecting leg is connect with air-source, and air-source connects The other end of pipe is connect with air-source flowmeter, and air-source flowmeter is connected by air-source flowmeter connecting leg with Volatile anesthetic；

Air-source connecting leg is connected to by air-source rapid air feeding pipe with source of oxygen connecting leg, is arranged on air-source rapid air feeding pipe Air-source high-speed switch.

Further include timer module, the timer module can set the working time of sterilization gas generator, and to killing The working time of bacterium gas generator carries out timing；It is consistent with the setting working time in the working time of sterilization gas generator When, sterilization gas generator can be turned off.

Further include the sterilization gas removal mechanism for removing sterilizing gas in sterilizing loop, the sterilization gas Body removal mechanism includes that the gas for extracting the aspiration pump of gas in sterilizing loop and for removing sterilization gas is inhaled Attached tank, the gas that aspiration pump extracts can be again introduced into after gas absorption tank in sterilizing loop.

The advantages of the utility model：It connect and matches with breathing circuit internal respiration air inlet pipe, breathing escape pipe using connecting leg is blocked Conjunction forms sterilizing loop, generates sterilizing gas using sterilization gas generator, is selected or adjusted using conversion valve For the connection of air circuit, sterilization gas generator and breathing circuit, sterilizing gas recycles in sterilizing loop, to It can realize the sterilizing to breathing circuit, it is compact-sized, it can effectively realize that the respiratory system to Breathing Suppotion equipment disappears Poison reduces disinfection amount, improves disinfection efficiency, securely and reliably.

Description of the drawings

Fig. 1 be the utility model as eupnea when usage state diagram.

Fig. 2 is usage state diagram when the utility model carries out sterilizing.

Fig. 3 is the schematic diagram that sterilization gas removal mechanism is arranged in the utility model.

Reference sign：1- source of oxygen, 2- source of oxygen connector, 3- source of oxygen control switch, 4- source of oxygen regulating valves Door, 5- source of oxygen connecting leg, 6- source of oxygen flowmeter, 7- high-speed switches, 8- rapid air feedings pipe, 9- air-source rapid air feedings pipe, 10- Source of oxygen flowmeter connecting leg, 11- air-sources, 12- air-sources connector, 13- air-sources connecting leg, 14- air-sources control switch, 15- air-sources control valve, 16- air-sources flowmeter, 17- air source fluxs connecting leg, 18- Volatile anesthetics, 19- Volatile anesthetics connecting leg, 20- sterilization gas generator, 21- sterilization gas generators connecting leg, 22- conversion valves, 23- breathings air inlet pipe, 24- breathe outlet Pipe, 25- breathings connecting leg, 26- superchargings connecting tube, 27- machine controls respirator, 28- manual controls sacculus, 29- pressure overflow valve, 30- air inlets Pressure indicator, 31- capnographs, 32- outlet pressures indicator, 33- carboloy dioxide canisters, 34- absorb exhaust Pipe, 35- valves connecting leg, 36- air-sources high-speed switch, 37- block connecting leg, 38- aspiration pumps air inlet pipe, 39- aspiration pumps, 40- gas Body adsorption tanks, 41- aspiration pumps escape pipe and 42- adsorption tanks escape pipes.

Specific implementation mode

With reference to specific drawings and examples, the utility model is described in further detail.

As depicted in figs. 1 and 2：In order to effectively realize that the respiratory system to Breathing Suppotion equipment carries out disinfection, reduction disappears Malicious workload, improve disinfection efficiency, the utility model include breathing circuit and connect with the breathing circuit for air circuit； Further include the breathing circuit disinfecting mechanism for carrying out disinfection to breathing circuit, the breathing circuit disinfecting mechanism includes for producing The sterilization gas generator 20 of raw sterilizing gas and the closure connecting leg 37 for blocking breathing circuit, block 37 envelope of connecting leg When stifled breathing circuit, breathing circuit and the sterilizing ring for blocking formation permission sterilizing gas circulating flow between connecting leg 37 Road；

When blocking the closure breathing circuit of connecting leg 37, sterilization gas generator 20, which could work and generate sterilization, to disappear Poisonous gas, and the sterilizing gas that sterilization gas generator 20 generates enters in sterilizing loop, sterilizing gas exists Sterilizing loop internal circulation flow carries out sterilizing to realize to breathing circuit.

Specifically, it can be connect with breathing connecting leg 25 by breathing circuit, breathing can be provided for patient by breathing connecting leg 25 It supports, by the way that the air source needed for breathing circuit can be provided for air circuit, as shown in Figure 1；Breathing circuit has by breathing connecting leg 25 Body for patient provides the process of Breathing Suppotion and provides the detailed process of air source needed for breathing circuit for air circuit and can adopt Realize that specially known to those skilled in the art, details are not described herein again with the common technological means of the art.

Since breathing circuit needs breathing connecting leg 25 that could provide Breathing Suppotion for patient, in a non-operative state, breathing The end in circuit is in open, in order to reach disinfection effect, needs using the closure breathing circuit of connecting leg 37 is blocked, that is, to pass through After closure connecting leg 37 is adapted to connection with breathing circuit, sterilizing loop can be formed, sterilizing gas can be in sterilizing ring Road internal circulation flow, so as to carry out effective sterilizing to the inside of breathing circuit, as shown in Figure 2.Usually, the sterilization The sterilizing gas that gas generator 20 generates includes alcohol or ozone；Sterilization gas generator 20 may be used existing common Structure type, specially known to those skilled in the art, details are not described herein again.

When it is implemented, Breathing Suppotion equipment includes Anesthesia machine or lung ventilator, it is real respectively by Anesthesia machine or breathing function The Breathing Suppotion of existing different purposes, specially known to those skilled in the art, details are not described herein again.In order to ensure entirely breathing Safety and reliability in holding equipment use, sterilization gas generator 20 can only be after blocking connecting leg 37 and blocking breathing circuit Work could be started, hereafter, the sterilizing gas that sterilization gas generator 20 generates could enter in sterilizing loop, real Now to the sterilizing of breathing circuit.When closure connecting leg 37 does not block breathing circuit, sterilization gas generator 20, which is in, closes Or standby mode meets normal use demand, and be avoided that at this point, can be supplied to breathing circuit for air circuit It carries out carrying out sterilizing under Breathing Suppotion for air circuit and breathing circuit cooperation, it is ensured that safety when sterilizing.

Further, further include the conversion valve 22 with the first connection status and the second connection status, sterilization gas Generator 20 is connect by conversion valve 22 with breathing circuit for air circuit；

When conversion valve 22 is in the first connection status, it is connected to breathing circuit by conversion valve 22 for air circuit, with Realization supplies breathing circuit；When with the closure breathing circuit of connecting leg 37 is blocked, conversion valve 22 automatically switches to second Connection status, the sterilizing gas that sterilization gas generator 20 generates enter sterilizing loop by conversion valve 22, with Realize the sterilizing to breathing circuit.

In the utility model embodiment, conversion valve 22 has the first connection status and the second connection status, conversion valve 22 may be used the realizations such as solenoid valve, and sterilization gas generator 20 is connect by conversion valve 22 with breathing circuit for air circuit, And according to the first connection status residing for conversion valve 22 or the second connection status, determination is supplied for air circuit and breathing circuit It is connect with breathing circuit with Breathing Suppotion or sterilization gas generator 20 and carries out sterilizing.When it is implemented, sterilization gas Generator 20 is connect by sterilization gas generator connecting leg 21 with conversion valve 22, and conversion valve 22 is in the first connection status or When two connection status are converted, it can be switched over by the corresponding control system of Breathing Suppotion equipment.

When it is implemented, connecting leg connector can be arranged in connecting leg 37 blocking, breathing circuit is set in breathing circuit Connector, when block connecting leg 37 block breathing circuit when, connecting leg connector is contacted with breathing circuit connector, connecting leg connector and The letter for blocking connecting leg 37 and blocking breathing circuit can be transmitted after the contact of breathing circuit connector to the control system of Breathing Suppotion equipment Number, conversion valve 22 can be made to be in the second connection status to the control system of Breathing Suppotion equipment, meanwhile, Breathing Suppotion is set Standby control system starts sterilization gas generator 20 so that sterilization gas generator 20 generates sterilizing gas, with to exhaling It sucks back road and carries out sterilizing.When the control system of Breathing Suppotion equipment does not receive the letter for blocking connecting leg 37 and blocking breathing circuit Number when, the control system of Breathing Suppotion equipment makes conversion valve 22 be in the first connection status always, at this point, for air circuit with Breathing circuit connects, and the control system of Breathing Suppotion equipment can make sterilization gas generator 20 be in closing or standby shape State.

Further, it is also possible to which setting is for detecting the closure detection sensor for blocking connecting leg 37, the envelope on breathing circuit Stifled detection sensor may be used position sensor or close to switch, and the signal for blocking detection sensor detection is set with Breathing Suppotion Standby control system connection, the control system of Breathing Suppotion equipment is according to blocking the testing result of detection sensor come switch transition The first connection status or the second connection status of valve 22, and control the working condition of sterilization gas generator 21.It is specific real Shi Shi can also use other technologies means to determine the sealed condition for blocking connecting leg 37 and breathing circuit, specifically can be according to need Selection determination is carried out, specific choice determination process is known to those skilled in the art, and details are not described herein again.

Further, the breathing circuit includes air inlet branch road and outlet branch, air inlet branch road include for receive into The breathing air inlet pipe 23 of gas, outlet branch include breathing escape pipe 24 for receiving outlet and with the breathing escape pipe 24 The carboloy dioxide canister 33 of connection, absorption exhaust pipe 34 of the setting for outlet on carboloy dioxide canister 33, through titanium dioxide Gas after carbon absorption tank 33 absorbs can be entered by absorbing exhaust pipe 34 in breathing air inlet pipe 23.

In the utility model embodiment, the sterilizing of the air source, the generation of sterilization gas generator 20 that are provided for air circuit Gas is entered by breathing air inlet pipe 23 in breathing circuit.Breathing air inlet pipe 23 one end connect with conversion valve 22, breathe into The other end and breathing escape pipe 24 of tracheae 23 can connect cooperation with breathing connecting leg 25, and breathe air inlet pipe 23 and breathe out Tracheae 24 can also be connect with connecting leg 37 is blocked.

When breathing air inlet pipe 23, breathing escape pipe 24 are connect with breathing connecting leg 25, at this point, conversion valve 22 is in first Connection status is connected to and in communication with for air circuit and breathing circuit, enter in breathing air inlet pipe 23 for the air source that air circuit provides, And by breathing connecting leg 25 for patient respiration, the gas of patient's exhalation enters in breathing escape pipe 24, into breathing escape pipe 24 Interior exhaled gas enters in carboloy dioxide canister 33, absorbs the titanium dioxide in exhaled gas by carboloy dioxide canister 33 Carbon, the gas after the absorption of carboloy dioxide canister 33 can be again introduced by absorbing exhaust pipe 34 in breathing air inlet pipe 23, and It is repeated the above process in entire respiratory for patient respiration with together with the air source provided for air circuit.

When breathing air inlet pipe 23, breathing escape pipe 24 are connect with closure connecting leg 37, at this point, conversion valve 22 is in second Connection status, i.e. sterilization gas generator 20 are connected by sterilization gas generator connecting leg 21 and conversion valve 22 with breathing circuit It connects and is connected to.The sterilizing gas that sterilization gas generator 20 generates enters in breathing air inlet pipe 23, and by blocking connecting leg 37 enter in breathing escape pipe 24, through carboloy dioxide canister 33 and are inhaled into the sterilizing gas in breathing escape pipe 24 It receives exhaust pipe 34 to be again introduced into breathing air inlet pipe 23, the sterilizing gas to convey with sterilization gas generator 20 is again It is recycled in sterilizing loop, until entire sterilization process terminates.After sterilization process, connecting leg 37 will be blocked With breathing air inlet pipe 23, breathing escape pipe 24 detach, sterilizing gas so as to from breathing air inlet pipe 23, breathing exhaust pipe 24 Interior discharge does not interfere with subsequent Breathing Suppotion.

Breathing connecting leg 25, block connecting leg 37 with breathing air inlet pipe 23, breathe escape pipe 24 connect when, each mean and breathe into Close connection between tracheae 23, breathing escape pipe 24, it is ensured that the leakproofness of gas.Blocking connecting leg 37 can be U-shaped, blocks connecting leg 37 one end with breathing air inlet pipe 23 connect, block connecting leg 37 the other end with breathing escape pipe 24 connect, closure connecting leg 37 and Dismountable type of attachment such as grafting or clamping may be used between breathing air inlet pipe 23, breathing escape pipe 24, it specifically can basis It is selected, specially known to those skilled in the art, details are not described herein again.

When it is implemented, being additionally provided with machine control respirator 27 and manual sacculus 28, the machine in the breathing air inlet pipe 23 Control respirator 27 is connect by being pressurized connecting tube 26 with breathing air inlet pipe 23 with manual sacculus 28, is breathed and is additionally provided in air inlet pipe 23 Determine the breather check valve of gas flow.

The breathing escape pipe 24 is equipped with capnograph 31 and is used to indicate the outlet pressure instruction of pressure Device 32.

In the utility model embodiment, exhaled in order to ensure air source, sterilizing gas can only enter from breathing air inlet pipe 23 Suck back in road, and air source, sterilizing gas enter breathing air inlet pipe 23 in after only can along breathing air inlet pipe 23 direction flow It is dynamic, breather check valve is set in breathing air inlet pipe 23, breather check valve be located in breathing air inlet pipe supercharging connecting tube 26 with It breathes between 23 engaging portion of air inlet pipe and conversion valve 22.It can enter into the air source or sterilizing gas breathed in air inlet pipe 23 Machine control respirator 27 and manual sacculus 28, machine control respirator 27, manual sacculus 28 can increase air pressure, and make gas again Into in breathing air inlet pipe 23, machine control respirator 27, manual 28 specific structure type of sacculus and specific work process are Known to those skilled in the art, details are not described herein again.In addition, pressure overflow valve 29 can also be arranged in breathing air inlet pipe 23 And admission pressure indicator 30 can be discharged by pressure overflow valve 29, be led to when the pressure in breathing air inlet pipe 23 is excessive Crossing admission pressure indicator 30 can be with the air pressure in real-time display breathing air inlet pipe 23.

The carbon dioxide content that exhaled gas in breathing escape pipe 24 is detected by capnograph 31, passes through outlet Pressure indicator 32 can breathe the air pressure in escape pipe 24, capnograph 31, carboloy dioxide canister with real-time display 33 may be used the common structure type of the art, specially known to those skilled in the art.When it is implemented, being The flow direction for ensureing exhaled gas in breathing escape pipe 24 and absorbs in exhaust pipe 34 and can be arranged outgassing nonreturn valve, outlet The effect of check valve is similar with the effect of above-mentioned breather check valve, that is, avoids air source, sterilizing gas by absorbing exhaust pipe 34 enter in carboloy dioxide canister 33, and the specific effect of outgassing nonreturn valve and the course of work can refer to breather check valve Description, details are not described herein again.

Further, when Breathing Suppotion equipment uses Anesthesia machine, described for air circuit includes for providing high concentration oxygen The source of oxygen 1 of gas and air-source 11 for providing low concentration oxygen, in the oxygen, air-source 11 in the source of oxygen 1 Air can enter in the Volatile anesthetic 18 for storing volatilizable anaesthetic, and volatilizable anaesthetic can follow mixed oxygen in Volatile anesthetic 18 Gas, air enter breathing circuit.

In the utility model embodiment, the volatilizable anaesthetic of storage, oxygen, air-source in source of oxygen 1 in Volatile anesthetic 18 Air mixing in Volatile anesthetic 18 in 11, and the anaesthetic of volatilization is sent into breathing circuit jointly, source of oxygen 1, air-source 11 have The effect of body and the specific course of work are known to those skilled in the art, and details are not described herein again.When it is implemented, oxygen Oxygen in air source 1, the amount that air mixes in Volatile anesthetic 18 in air-source 11 can preset oxygen according to presetting The flow velocity of 11 delivery air of flow velocity and air-source of output oxygen in source 1, detailed process be known to those skilled in the art, Details are not described herein again.

When Breathing Suppotion equipment uses lung ventilator, Volatile anesthetic 18 can be saved for air circuit, or without in Volatile anesthetic 18 Volatilizable anaesthetic is placed, the specific difference between lung ventilator, Anesthesia machine is no longer to go to live in the household of one's in-laws on getting married herein known to those skilled in the art It states.

Source of oxygen connecting leg 5 is equipped in the source of oxygen 1, one end of source of oxygen connecting leg 5 is connect with source of oxygen 1, source of oxygen The other end of connecting leg 5 is connect with source of oxygen flowmeter 6, and source of oxygen flowmeter 6 passes through source of oxygen flowmeter connecting leg 10 and Volatile anesthetic 18 connections；

It is also set up on source of oxygen connecting leg 5 for the rapid air feeding pipe 8 to breathing circuit rapid air feeding, on rapid air feeding pipe 8 High-speed switch 7 is set.

In the utility model embodiment, oxygen in Volatile anesthetic 18 can be delivered to source of oxygen 1 by source of oxygen flowmeter 6 Flow is counted, and the common structure type of the art specifically may be used in source of oxygen flowmeter 6, and details are not described herein again. In order to meet the needs of rapid air feeding, one end of rapid air feeding pipe 8 is connected to source of oxygen connecting leg 5, rapid air feeding pipe 8 it is another End is connect with one end of valve connecting leg 35, and the other end of valve connecting leg 35 is connect with conversion valve 22.Volatile anesthetic 18 passes through volatilization Tank connecting leg 19 is connect with valve connecting leg 35, and arcotic and mixed gas pass through Volatile anesthetic connecting leg 19, valve in Volatile anesthetic 18 Connecting leg 35 and conversion valve 22 enter in breathing circuit.

When being connected to and in communication with for air circuit and breathing circuit and needing rapid air feeding, high-speed switch 7, source of oxygen 1 are opened Interior oxygen passes sequentially through source of oxygen connecting leg 5, rapid air feeding pipe 8, valve connecting leg 25, conversion valve 22 and enters breathing air inlet pipe 23 It is interior, realize the rapid air feeding to breathing circuit.

Setting is for be adapted to the source of oxygen connector 2, logical for controlling connected with source of oxygen 1 on the source of oxygen connecting leg 5 The source of oxygen control switch 3 of gaseity and the source of oxygen control valve 4 for adjusting venting pressure.

In the utility model embodiment, source of oxygen connector 2 is located at the end of source of oxygen connecting leg 5, is connected using source of oxygen Part 2 can realize Fast Installation and dismounting between source of oxygen 1 and source of oxygen connecting leg 5.Oxygen can be controlled by controlling switch 3 by source of oxygen Source 1 exports oxygen or closes the output of oxygen, and relief valve may be used in source of oxygen control valve 4.

Further, the air-source 11 is equipped with air-source connecting leg 13, one end of the air-source connecting leg 13 and air Source 11 connects, and the other end of air-source connecting leg 13 is connect with air-source flowmeter 16, and air-source flowmeter 16 passes through air source stream Gauge connecting leg 17 is connected with Volatile anesthetic 18；

Air-source connecting leg 13 is connected to by air-source rapid air feeding pipe 9 with source of oxygen connecting leg 5, air-source rapid air feeding pipe 9 Upper setting air-source high-speed switch 36.

In the utility model embodiment, air-source connector 12, air-source connector 12 are set on air-source connecting leg 13 Positioned at the end of air-source connecting leg 13, the quick of air-source 11 and air-source connecting leg 13 can be realized by air-source connector 12 Installation and dismounting.Identical structure may be used in air-source connector 12, source of oxygen connector 2, and specific constructive form can root According to being selected, specific choice determination process is known to those skilled in the art, and details are not described herein again.Connect in air-source The air-source control switch 14 and the air for adjusting venting pressure that control 11 output state of air-source is additionally provided on pipe 13 Relief valve may be used in source control valve 15, air-source control valve 15.It can be defeated to air-source 11 by air-source flowmeter 16 The air capacity gone out is counted.

In addition, air-source connecting leg 13 is connected to by air-source rapid air feeding pipe 9 with source of oxygen connecting leg 5, air-source quickly supplies Air-source high-speed switch 36 is set on tracheae 9.In the case of oxygen deficiency in source of oxygen 1 or anaerobic air source 1, rapid air feeding is needed When, air-source high-speed switch 36 and high-speed switch 7 can be opened, the air in air-source 11 passes through air-source connecting leg 13, sky Air source rapid air feeding pipe 9, rapid air feeding pipe 8 and valve connecting leg 35 enter in breathing circuit, realize the quick confession of air-source 11 Gas.

Further include timer module, the timer module can set the working time of sterilization gas generator 21, and right The working time of sterilization gas generator 21 carries out timing；Working time in sterilization gas generator 21 and setting working time When consistent, sterilization gas generator 21 can be turned off.

In the utility model embodiment, the working time of sterilization gas generator 21 can be set by timer module, Usually, after sterilization gas generator 21 starts work, work of the timer module to sterilization gas generator 21 is just utilized Time is set.When the working time of sterilization gas generator 21 is consistent with the setting working time, then it can turn off and kill Bacterium gas generator 21 can be controlled and be adjusted to the sterilization operation time of sterilization gas generator 21.

Common structure type, such as electronic clock may be used in timer module, and turns off sterilization gas generator 21 When, the relay coordinated with timer may be used, the power supply that sterilization gas generator 21 is controlled by relay connects, can be real Now the working condition of sterilization gas generator 21 is controlled.In addition, timer module can also be with Breathing Suppotion equipment Control system connects, and timer module can pass the working time for setting working time and sterilization gas generator 21 in real time Transport to the control system connection of Breathing Suppotion equipment, the control system of Breathing Suppotion equipment compare in real time the setting working time and It is the working time of sterilization gas generator 21, consistent with the setting working time when the working time of sterilization gas generator 21 When, the control system of Breathing Suppotion equipment actively closes sterilization gas generator 21.Timer module and shutdown sterilization gas Generator 21 can also use other embodiments, can specifically be selected as needed, details are not described herein again.

Further, further include sterilization gas removal mechanism for removing sterilizing gas in sterilizing loop, The sterilization gas removal mechanism includes aspiration pump 39 for extracting gas in sterilizing loop and for removing sterilization The gas absorption tank 40 of gas, the gas that aspiration pump 39 extracts can be again introduced into sterilizing loop after gas absorption tank 40 It is interior.

In the embodiment of the present invention, after using sterilization gas generator 21 to sterilizing loop sterilizing, it is Subsequent normal use is not influenced, needs to remove the sterilizing gas in sterilizing loop using sterilization gas removal mechanism Body.Gas all in sterilizing loop is extracted by aspiration pump 39, the gas that aspiration pump 39 extracts passes through gas absorption tank 40, by the adsorbent in gas absorption tank 40 by sterilizing gas absorption, remaining gas returns again to sterilizing ring In road, when being detached with breathing circuit to which connecting leg 37 will be blocked, it there will not be sterilizing gas and be discharged into air.

When it is implemented, the air inlet of aspiration pump 39 is connect with one end of aspiration pump air inlet pipe 38, aspiration pump air inlet pipe 38 The other end be connected to exhaust pipe 34 is absorbed, the gas outlet of aspiration pump 39 passes through aspiration pump escape pipe 41 and the company of gas absorption tank 40 It connects, gas absorption tank 40 is connected to by adsorption tanks escape pipe 42 with exhaust pipe 34 is absorbed；In addition, in order to ensure the normal stream of gas It is logical, the outgassing nonreturn valve in exhaust pipe 34 is absorbed between aspiration pump air inlet pipe 38 and adsorption tanks escape pipe 42, such as Fig. 3 institutes Show.Common adsorbing medium, such as bamboo charcoal may be used in gas absorption tank 40, can specifically be selected as needed, this Place repeats no more.

The utility model connect cooperation using connecting leg 37 is blocked with breathing circuit internal respiration air inlet pipe 23, breathing escape pipe 24 Sterilizing loop is formed, sterilizing gas is generated using sterilization gas generator 20, is selected or adjusted using conversion valve 22 The whole connection for air circuit, sterilization gas generator 20 and breathing circuit, sterilizing gas recycle in sterilizing loop, It is compact-sized so as to realize the sterilizing to breathing circuit, can effectively realize to the respiratory system of Breathing Suppotion equipment into Row disinfection, reduces disinfection amount, improves disinfection efficiency, securely and reliably.

Claims (8)

1. a kind of single loop disinfection type Breathing Suppotion sets backup breathing system, including breathing circuit and connect with the breathing circuit Connect for air circuit；It is characterized in that：Further include the breathing circuit disinfecting mechanism for carrying out disinfection to breathing circuit, the breathing Loop disinfection machine structure includes sterilization gas generator (21) for generating sterilizing gas and for blocking breathing circuit Closure connecting leg (37), when blocking connecting leg (37) and blocking breathing circuit, breathing circuit with block connecting leg (37) between formation allow to kill The sterilizing loop that bacterium sterilizing gas circulates；

When blocking connecting leg (37) closure breathing circuit, sterilization gas generator (21), which could work and generate sterilization, to disappear Poisonous gas, and the sterilizing gas that sterilization gas generator (21) generates enters in sterilizing loop, sterilizing gas In sterilizing loop internal circulation flow, sterilizing is carried out to breathing circuit to realize；

Further include the conversion valve (22) with the first connection status and the second connection status, sterilization gas generator (21), It is connect with breathing circuit by conversion valve (22) for air circuit；

When conversion valve (22) is in the first connection status, it is connected to breathing circuit by conversion valve (22) for air circuit, with Realization supplies breathing circuit；When with connecting leg (37) closure breathing circuit is blocked, conversion valve (22) automatically switches to Second connection status, the sterilizing gas that sterilization gas generator (21) generates enter sterilizing by conversion valve (22) Loop, to realize the sterilizing to breathing circuit；

Further include timer module, the timer module can set the working time of sterilization gas generator (21), and to killing The working time of bacterium gas generator (21) carries out timing；When the working time of sterilization gas generator (21) is with setting work Between it is consistent when, sterilization gas generator (21) can be turned off.

2. single loop disinfection type Breathing Suppotion according to claim 1 sets backup breathing system, it is characterized in that：The breathing Circuit includes air inlet branch road and outlet branch, and air inlet branch road includes the breathing air inlet pipe (23) for receiving air inlet, outlet branch Road includes breathing escape pipe (24) for receiving outlet and the carbon dioxide absorption that is connect with the breathing escape pipe (24) Tank (33), absorption exhaust pipe (34) of the setting for outlet on carboloy dioxide canister (33), through carboloy dioxide canister (33) Gas after absorption can be entered in breathing air inlet pipe (23) by absorbing exhaust pipe (34).

3. single loop disinfection type Breathing Suppotion according to claim 2 sets backup breathing system, it is characterized in that：The breathing Machine control respirator (27) and manual sacculus (28), the machine control respirator (27) and manual sacculus are additionally provided in air inlet pipe (23) (28) it is connect with breathing air inlet pipe (23) by being pressurized connecting tube (26), determining gas flow is additionally provided in breathing air inlet pipe (23) Breather check valve.

4. single loop disinfection type Breathing Suppotion according to claim 1 sets backup breathing system, it is characterized in that：The gas supply Circuit includes the air-source (11) for providing the source of oxygen of high-concentration oxygen (1) and for providing low concentration oxygen, described The air in oxygen, air-source (11) in source of oxygen (1) can enter in the Volatile anesthetic (18) for storing volatilizable anaesthetic, volatilization Volatilizable anaesthetic can follow mixed oxygen, air to enter breathing circuit in tank (18).

5. single loop disinfection type Breathing Suppotion according to claim 4 sets backup breathing system, it is characterized in that：In the oxygen Air source (1) is equipped with source of oxygen connecting leg (5), and one end of source of oxygen connecting leg (5) is connect with source of oxygen (1), source of oxygen connecting leg (5) The other end is connect with source of oxygen flowmeter (6), and source of oxygen flowmeter (6) passes through source of oxygen flowmeter connecting leg (10) and Volatile anesthetic (18) it is connected to；

It is also set up on source of oxygen connecting leg (5) for the rapid air feeding pipe (8) to breathing circuit rapid air feeding, rapid air feeding pipe (8) Upper setting high-speed switch (7).

6. single loop disinfection type Breathing Suppotion according to claim 5 sets backup breathing system, it is characterized in that：The oxygen Source of oxygen connector (2) of the setting for being adapted to connection with source of oxygen (1), the oxygen for controlling aeration status on source connecting leg (5) Air source control switch (3) and the source of oxygen control valve (4) for adjusting venting pressure.

7. single loop disinfection type Breathing Suppotion according to claim 5 sets backup breathing system, it is characterized in that：The air Source (11) is equipped with air-source connecting leg (13), and one end of the air-source connecting leg (13) is connect with air-source (11), and air-source connects The other end of pipe (13) is connect with air-source flowmeter (16), and air-source flowmeter (16) passes through air-source flowmeter connecting leg (17) It is connected with Volatile anesthetic (18)；

Air-source connecting leg (13) is connected to by air-source rapid air feeding pipe (9) with source of oxygen connecting leg (5), air-source rapid air feeding pipe (9) air-source high-speed switch (36) is set on.

8. single loop disinfection type Breathing Suppotion according to claim 1 sets backup breathing system, it is characterized in that：Further include using In the sterilization gas removal mechanism of sterilizing gas in removal sterilizing loop, the sterilization gas removal mechanism includes using In the aspiration pump (39) of gas in extraction sterilizing loop and the gas absorption tank (40) for removing sterilization gas, pumping The gas that pump (39) extracts can be again introduced into after gas absorption tank (40) in sterilizing loop.