CN217040993U - Respiratory anesthesia machine - Google Patents
Respiratory anesthesia machine Download PDFInfo
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- CN217040993U CN217040993U CN202120217006.XU CN202120217006U CN217040993U CN 217040993 U CN217040993 U CN 217040993U CN 202120217006 U CN202120217006 U CN 202120217006U CN 217040993 U CN217040993 U CN 217040993U
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Abstract
The utility model discloses a respiratory anesthesia machine, including breathing machine and anesthesia machine, the breathing machine includes master control CPU, control panel, exhale pipeline, inspiratory line and fresh air feed end. An air release valve is arranged on the expiration pipeline, the inspiration pipeline is communicated with the fresh air supply end after being converged with the expiration pipeline, and CO is arranged at the junction of the expiration pipeline and the inspiration pipeline 2 An absorption tank; the control panel is electrically connected with the main control CPU. The anesthesia machine comprises an anesthetic volatilizer, an oxygen gas path and a laughing gas path, the anesthetic volatilizer comprises an air inlet and an air outlet, a first oxygen branch of the oxygen gas path is converged with the laughing gas path and is connected to anestheticThe air inlet of the volatilizer, the air outlet of the anesthetic volatilizer and a second oxygen branch of the oxygen gas circuit are converged to form a new gas supply end. The anesthesia machine integrates anesthesia and respiration, can perform closed anesthesia and semi-closed anesthesia, and is used for a medical department to perform inhalation anesthesia on a patient in an operation or assist the inhalation anesthesia and the respiratory management in the operation.
Description
Technical Field
The utility model relates to a respiratory anesthesia management technical field, concretely relates to respiratory anesthesia machine is applicable to the anesthesia of general anesthesia operation state and breathes the management.
Background
When a large-scale operation is carried out, general anesthesia needs to be carried out on a patient, respiratory anesthesia is a common anesthesia mode at present, a gas outlet of an anesthesia machine and the respiratory tract of the patient form a loop, fresh gas and inhalation anesthetic are conveyed into the respiratory tract of the patient, and gas exhaled by the patient is exhausted to the outside.
In the process of anesthesia, the inhaled quantity of the anesthetic needs to be strictly controlled to ensure the safety of the patient, so that a respiratory anesthesia machine capable of controlling and adjusting the anesthesia degree in various ways is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a collect anesthesia, breathe in anesthesia machine of breathing of an organic whole, can carry out the anesthesia of tightly closing, semi-tight, supply medical department to inhale anesthesia usefulness to the surgical patient, or supplementary inhalation anesthesia and the operation in the respiratory management.
The technical scheme of the utility model elaborates as follows:
a respiratory anesthesia machine comprises a breathing machine and an anesthesia machine, wherein the breathing machine comprises a master control CPU, a control panel, an expiration pipeline, an inspiration pipeline and a fresh air supply end, a deflation valve is arranged on the expiration pipeline, the expiration pipeline and the expiration pipeline are communicated with the fresh air supply end after being converged, and CO is arranged at the junction of the expiration pipeline and the inspiration pipeline 2 An absorption tank; the control panel is electrically connected with the master control CPU;
anesthesia machine includes narcotic volatilizer, oxygen gas circuit and laughing gas circuit, and wherein, narcotic volatilizer includes air inlet and gas outlet, and the oxygen gas circuit divide into first oxygen branch road and second oxygen branch road, and first oxygen branch road joins the air inlet that is connected to narcotic volatilizer with the laughing gas circuit, and the gas outlet of narcotic volatilizer joins with the second oxygen branch road and forms new gas air feed end.
Preferably, in the anesthesia respirator, the expiration pipeline is provided with an expiration valve, a flow sensor and a pressure sensor which can be selectively installed as required, and the flow sensor and the pressure sensor are respectively and electrically connected with the main control CPU.
Preferably, in the anesthesia apparatus, the fresh air supply end is further connected with an air box through a pipeline, and a manual/mechanical control change-over switch connected with a manual leather bag is arranged on the connected pipeline; the oxygen gas circuit also comprises a third oxygen branch which is connected with the breathing machine through a tidal volume regulating valve and provides a power gas source for the wind box through the breathing machine.
Preferably, in the anesthesia respirator, a peak pressure protection valve and a PEEP valve are respectively arranged on a connecting pipeline between the bellows and the respirator, and the peak pressure protection valve and the PEEP valve are respectively and electrically connected to the main control CPU.
Preferably, in the anesthesia respirator, the oxygen gas path and the laughing gas path are respectively provided with a pressure gauge and a flow meter.
Preferably, in the anesthesia machine breathing, be equipped with the pneumatic valve on the laughing gas circuit and be connected with the oxygen gas circuit, the pneumatic valve is opened and just can be made laughing gas let in after gas pressure reaches the default in the oxygen gas circuit.
Preferably, in the anesthesia respirator, a low-pressure alarm is further disposed at an end of the oxygen path where oxygen is supplied.
The utility model provides a anesthesia machine breathes has following beneficial effect:
the anesthesia machine can realize closed anesthesia and semi-closed anesthesia respectively. Wherein the breathing circuit including the expiration pipeline and the inspiration pipeline is a closed circuit, two one-way gas valves (expiration valve and inspiration valve) are arranged in the circuit to prevent the counter flow of expiration and inspiration flow, and the closed circuit is filled with CO 2 The gas exhaled by the patient is sent to the inhalation end of the patient together with the fresh gas and the anesthetic gas supplied by the main machine after the reaction of the gas in the absorption tank and the soda lime in the tank. The circuit is provided with an airway pressure sensor to monitor the airway pressure in real time.
The circuit is also provided with a gas release valve, and the gas in the circuit can be released by completely opening the valve so as to reduce the pressure of the gas in the circuit. In addition, the safety valve can be used as a semi-closed safety valve, the airway pressure can be freely adjusted by a user according to clinical needs to ensure the safety of the airway pressure, and the valve is used for a semi-closed or open type breathing management mode. A pressure gauge, a flow sensor and the like are further arranged in the loop, so that the gas state in the pipeline can be monitored conveniently in real time.
The anesthetic volatilizer is an anesthetic evaporator, and under the starting state, oxygen is taken as a carrier to bring anesthetic (laughing gas) into a breathing loop of a patient, so that the anesthetic effect is achieved.
The gas circuit of the anesthesia machine consists of an oxygen gas circuit and a laughing gas circuit respectively. After the two gases are decompressed (0.3-0.4 Mpa), the two gases can enter the gas supply path (although the gas path system has a pressure limiting device). The maximum pressure of the pressure reducing valve is 0.8Mpa, the specification and the model can be selected according to actual requirements, the output pressure is increased by normally adjusting a knob clockwise, and the output pressure is decreased anticlockwise. After the oxygen is decompressed, one path of the oxygen is directly supplied to a breathing loop (namely a second oxygen branch) of the patient through a quick oxygen supply switch without a flowmeter; the other path is supplied to a breathing circuit (namely a first oxygen branch) of the patient through a flowmeter and a anesthetic evaporator; the third path directly supplies the breathing machine as the gas power source.
Laughing gas cannot enter the gas supply path system alone, otherwise, the patient may be damaged. Therefore, the pneumatic valve is arranged in the anesthesia machine, only when oxygen firstly enters the pneumatic valve and reaches a certain pressure (0.15MPa), the laughing gas supply valve is opened, thus ensuring the safety of anesthesia management. After the laughing gas enters the gas supply circuit, a flow meter is preferably arranged on the gas supply circuit, and the laughing gas and the oxygen are mixed in proportion and then enter the breathing loop of the patient. Further ensuring safety.
Drawings
Fig. 1 is a schematic structural diagram of a respiratory anesthesia machine.
Detailed Description
The technical solutions of the present invention will be explained and explained in detail with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement the present invention.
Referring to fig. 1, a respiratory anesthesia apparatus comprises a respirator and an anesthesia apparatus, the respirator comprises a main control CPU, a control panel, an exhalation pipeline, an inhalation pipeline and a fresh air supply end, wherein the exhalation pipeline is provided with a deflation valve, and the inhalation pipeline and the exhalation pipeline are provided with an exhalation pipeAfter being converged, the gas is communicated with a fresh gas supply end, and CO is arranged at the junction of the expiration pipeline and the inspiration pipeline 2 An absorption tank; the control panel is electrically connected with the main control CPU.
The anesthesia machine comprises an anesthetic volatilizer, an oxygen gas path and a laughing gas path, wherein the anesthetic volatilizer comprises a gas inlet and a gas outlet, the oxygen gas path is divided into a first oxygen branch, a second oxygen branch and a third oxygen branch, the first oxygen branch and the laughing gas path are converged and connected to the gas inlet of the anesthetic volatilizer, and the gas outlet of the anesthetic volatilizer and the second oxygen branch are converged to form a new gas supply end; the third oxygen branch is directly supplied to the respirator as a gas power source thereof through the tidal volume regulating valve.
Specifically, the expiration pipeline of breathing machine is provided with the expiration valve, makes the gas of patient's expiration pass through expiration valve and can only one-way entering instrument and can not flow back to patient's one end when this pipeline. On one hand, the air release valve on the expiration pipeline can be used as a pressure release safety valve, and the air in the loop can be released by opening the air release valve so as to reduce the pressure of the air in the loop; on the other hand, the valve can be used as a semi-closed safety valve, the airway pressure can be freely adjusted by a user according to clinical requirements so as to ensure the safety of the airway pressure, and the valve is used for a semi-closed or open type breathing management mode.
In addition, a flow sensor and a pressure sensor are also arranged on the expiration pipeline. The flow sensor and the pressure sensor are respectively electrically connected to the main control CPU, and the real-time detected gas pressure value and flow value data in the pipeline are transmitted to the main control CPU.
The air suction pipeline is provided with an air suction valve and CO 2 The absorption tank can only allow the conveyed gas to enter one end of the patient in one way through the inspiration valve.
The joint of the expiration pipeline and the inspiration pipeline is provided with CO 2 The absorption tank (filled with soda lime) is used for introducing the gas exhaled by the patient into the inhalation end of the patient together with the fresh gas and the anesthetic gas supplied by the main machine after the gas reacts with the soda lime in the absorption tank.
The fresh air supply end is formed by the convergence of two air paths, one air path is connected with the anesthetic volatilizer, and the other air path directly supplies oxygen.
Specifically, first oxygen branch road and laughing gas circuit converge the air inlet that is connected to the anesthetic volatilizer, install the flowmeter on first oxygen branch road and the laughing gas circuit respectively, and wherein the manometer is still installed to the laughing gas circuit, and the pneumatic valve is connected to the other end of laughing gas circuit, and the entrance and the oxygen gas circuit of pneumatic valve are connected, and gas pressure reaches the pneumatic valve and opens and just can make laughing gas let in after the default in the oxygen gas circuit. The oxygen gas circuit is also provided with a pressure gauge, and the second oxygen branch is provided with a fast oxygen supply switch to supply oxygen to the breathing loop of the patient directly through the fast oxygen supply switch without a flowmeter under necessary conditions.
The third oxygen branch is connected with a respirator through a tidal volume regulating valve, the respirator is connected with an air box through a pipeline, a peak pressure protection valve and a PEEP valve are arranged on the connecting pipeline respectively, and the peak pressure protection valve and the PEEP valve are electrically connected to a main control CPU respectively. The peak pressure protection valve is used for opening and releasing pressure when the pressure of the breathing circuit exceeds a threshold value, and the pressure in the protection circuit is within a normal value range. In controlling the end of a breath, a positive pressure is applied to the alveoli, i.e. the positive end-of-breath pressure, and a PEEP valve is used for the magnitude of this positive end-of-breath pressure. One end of the air box is connected with the respirator, and the other end of the air box is connected to the fresh air supply end through a manual/mechanical control change-over switch. The manual/machine control change-over switch is also connected with a manual leather bag. The manual/mechanical control change-over switch can respectively adjust the manual state or the mechanical control state, and when the manual state is adjusted, the manual leather bag is extruded to simulate the lung to work.
In addition, the air box is also provided with a low-pressure alarm at the end of the oxygen gas path for supplying oxygen, and when the pressure in the loop is lower than a preset value, an alarm is given.
The pressure of the oxygen and the laughing gas fed is usually higher, and the pressure needs to be reduced before entering the gas path, so that the oxygen gas path and the laughing gas path are both provided with pressure reducing valves for reducing the pressure of the fed gas.
The control valves and sensors related to each gas circuit of the anesthesia machine can be displayed and controlled through a control panel connected with the active CPU. The control panel comprises a display unit, for example, a 5.5-inch monochrome LCD, which can simultaneously display the upper and lower pressure values and moistureVolume, minute ventilation, respiratory rate, call-to-breath ratio, pressure alarm set limit, synchronous trigger pressure and intake air pressure limit under synchronous respiratory mode, sigh switch state, current respiratory mode, mute indication, pressure waveform, tidal volume waveform and other parameters. In the normal working process of the breathing machine, an operator can intervene the breathing machine through the control panel at any time to complete the setting of the following working parameters: the breathing rate (1-65 times/minute), the breathing ratio (8: 1-1: 8), the breathing platform (0-50%), the pressure alarm limit value (Pmax: 20-60, Pmin: 0-20), the synchronous trigger pressure (10-10), the air inlet pressure limit (20-60), the ON/OFF of the sigh function (ON/OFF), the switching of the breathing mode and the ON/OFF of the mute state. In the mechanical control and synchronous mode, when the airway pressure of the respirator reaches 60cm H 2 When O is needed, the breathing machine stops working and is accompanied by an audible and visual alarm (the alarm can not be relieved through an operation panel) until the pressure in the air passage reaches 10cmH 2 When the temperature is lower than O, the breathing machine side automatically releases the alarm and recovers to normal work.
The invention concept is explained in detail by using specific embodiments, and the above description of the embodiments is only used to help understand the core idea of the present invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A respiratory anesthesia machine comprises a breathing machine and an anesthesia machine, and is characterized in that,
the respirator comprises a main control CPU, a control panel, an expiration pipeline, an inspiration pipeline and a fresh air supply end, wherein an deflation valve and an inspiration valve are arranged on the expiration pipeline, the expiration pipeline and the expiration pipeline are communicated with the fresh air supply end after being converged, and CO is arranged at the junction of the expiration pipeline and the inspiration pipeline 2 An absorption tank; the control panel is electrically connected with the master control CPU;
anesthesia machine includes anesthetic volatilizer, oxygen gas circuit and laughing gas circuit, and wherein, anesthetic volatilizer includes air inlet and gas outlet, and the oxygen gas circuit divide into first oxygen branch road and second oxygen branch road, and first oxygen branch road joins the air inlet that is connected to anesthetic volatilizer with the laughing gas circuit, and the gas outlet and the second oxygen branch road of anesthetic volatilizer join and form the new gas air feed end.
2. The respiratory anesthesia machine of claim 1, wherein the expiration pipeline is provided with an expiration valve, a flow sensor and a pressure sensor, and the flow sensor and the pressure sensor are respectively and electrically connected with the main control CPU.
3. The anesthesia machine of claim 1, wherein the fresh air supply end is further connected with a bellows through a pipeline, and a manual/mechanical control switch connected with a manual bladder is arranged on the connected pipeline; the oxygen gas circuit also comprises a third oxygen branch which is connected with the breathing machine through a tidal volume regulating valve and provides a power gas source for the wind box through the breathing machine.
4. The anesthesia machine of claim 3, wherein a peak pressure protection valve and a PEEP valve are further disposed on the connection line between the bellows and the ventilator, respectively, and are electrically connected to the main control CPU, respectively.
5. The respiratory anesthesia machine of claim 1, wherein a pressure gauge and a flow meter are respectively arranged on the oxygen gas path and the laughing gas path.
6. The anesthesia apparatus of claim 1, wherein the laughing gas passage is provided with a pneumatic valve connected to the oxygen passage, and when the gas pressure in the oxygen passage reaches a predetermined value, the pneumatic valve is opened to allow laughing gas to enter.
7. The anesthesia machine of claim 6, wherein the oxygen circuit is further provided with a low pressure alarm at the end where oxygen is fed.
8. The anesthesia machine of claim 1, wherein the oxygen gas circuit and the laughing gas circuit are each provided with a pressure reducing valve at the feeding end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120217006.XU CN217040993U (en) | 2021-01-26 | 2021-01-26 | Respiratory anesthesia machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120217006.XU CN217040993U (en) | 2021-01-26 | 2021-01-26 | Respiratory anesthesia machine |
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| CN217040993U true CN217040993U (en) | 2022-07-26 |
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| CN202120217006.XU Active CN217040993U (en) | 2021-01-26 | 2021-01-26 | Respiratory anesthesia machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024051118A1 (en) * | 2022-09-06 | 2024-03-14 | 深圳迈瑞生物医疗电子股份有限公司 | Anesthesia system, anesthesia machine, and ventilation control method |
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2021
- 2021-01-26 CN CN202120217006.XU patent/CN217040993U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024051118A1 (en) * | 2022-09-06 | 2024-03-14 | 深圳迈瑞生物医疗电子股份有限公司 | Anesthesia system, anesthesia machine, and ventilation control method |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230614 Address after: 201700 Rooms 456, 457, 458, 4/F, Building 6, No. 223, Zhangliantang Road, Liantang Town, Qingpu District, Shanghai Patentee after: Shanghai Dawan Trading Co.,Ltd. Address before: Room 301-3062, floor 3, building 1, building 2 and building 3, qinchunjiayuan, Xisanqi, Haidian District, Beijing 100096 Patentee before: TAIYUAN DAHAO YIDA ELECTRICAL CONTROL Co.,Ltd. |
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