CN214970617U - Anesthetic volatilization type breathing anesthesia machine - Google Patents
Anesthetic volatilization type breathing anesthesia machine Download PDFInfo
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- CN214970617U CN214970617U CN202120217007.4U CN202120217007U CN214970617U CN 214970617 U CN214970617 U CN 214970617U CN 202120217007 U CN202120217007 U CN 202120217007U CN 214970617 U CN214970617 U CN 214970617U
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Abstract
The utility model discloses an anesthetic volatilization type breathing anesthesia machine, including the breathing machine main part to and with breathing return circuit, anesthetic volatilizer and air feed gas circuit of breathing machine main part connection, wherein, breathe return circuit including breathing pipeline, CO that communicate in proper order2Canister and inhalation line, in exhalation line and CO2A gas inlet and a gas outlet are formed at the joint of the absorption tank; the gas supply circuit comprises three paths, wherein the first path of gas is directly supplied to the main body of the respirator to be used as a gas power source, the second path of gas is supplied to the breathing circuit through the rapid oxygen supply switch, and the third path of gas is supplied to the breathing circuit through the oxygen flow meterThe medicine dispensing volatilizer enters a breathing loop; the air box is respectively connected with the main body of the respirator and the air inlet and outlet through pipelines, a manual/machine control change-over switch is arranged at the position where the air box is connected with the air inlet and outlet, and the manual/machine control change-over switch is also connected with a manual leather bag. The respirator can perform closed anesthesia and semi-closed anesthesia, and is used for performing inhalation anesthesia or auxiliary inhalation anesthesia on a surgical patient and performing surgical breathing management.
Description
Technical Field
The utility model relates to a respiratory anesthesia management technical field, concretely relates to anesthetic volatilization formula respiratory anesthesia machine.
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.
The anesthetic volatilization type breathing anesthesia machine needs a plurality of modes for safety protection so as to avoid the danger caused by discomfort when a patient inhales the anesthetic.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anesthetic volatile type anesthesia machine breathes can carry out the anesthesia of tightly closing, semi-tight, supplies medical department to inhale anesthesia usefulness to the operation patient, or supplementary breathing management in anesthesia and the operation.
The technical scheme of the utility model elaborates as follows:
an anesthetic volatilization type breathing anesthesia machine, which comprises a breathing machine main body with a main control CPU, a control panel and an air box, and a breathing loop, an anesthetic volatilizer and an air supply path which are connected with the breathing machine main body, wherein,
the respiratory loop comprises an expiratory pipeline and a CO which are communicated in sequence2An absorption tank and an inhalation pipeline, wherein an exhalation valve and a semi-closed safety valve are arranged on the exhalation pipeline, an inhalation valve is arranged on the inhalation pipeline, and the exhalation pipeline and CO are connected2A gas inlet and a gas outlet are formed at the joint of the absorption tank;
the gas supply circuit comprises three paths, wherein the first path of gas is directly supplied to the main body of the breathing machine to serve as a gas power source, the second path of gas is supplied to a gas inlet and outlet of the breathing circuit through the rapid oxygen supply switch, the third path of gas is supplied to the dispensing volatilizer through the oxygen flow meter, and the anesthetic volatilizer is communicated with the gas inlet and outlet of the breathing circuit;
the air box is connected with the respirator body and the gas inlet and outlet through pipelines respectively, a manual/machine control change-over switch is installed at the position where the air box is connected with the gas inlet and outlet, and the manual/machine control change-over switch is further connected with a manual leather bag.
Preferably, the anesthetic volatilization type anesthesia machine further comprises a flow sensor mounted on the expiration pipeline, and the flow sensor is connected with a main control CPU of the main body of the anesthesia machine.
Preferably, the anesthetic volatilization type anesthesia machine is characterized in that the gas supply circuit is provided with a pressure reducing valve, and oxygen is reduced in pressure by the pressure reducing valve and then is delivered to the three gas circuits.
Preferably, the anesthetic volatilization type anesthesia machine is characterized in that the gas supply circuit is provided with a low-pressure alarm device connected with the main control CPU, and the low-pressure alarm device alarms when the oxygen pressure in the gas circuit is lower than a preset value.
Preferably, in the anesthetic volatilization type anesthesia machine, a peak pressure protection valve and a PEEP valve are respectively arranged on a pipeline connecting the bellows and the main body of the anesthesia machine.
Preferably, the anesthetic volatilization type anesthesia machine is provided with a tidal volume regulating valve on the first air supply path.
Preferably, the anesthetic volatilization type respiratory anesthesia machine is characterized in that the breathing loop is further provided with a pressure sensor and an oxygen concentration sensor, and the pressure sensor and the oxygen concentration sensor are both connected to a main control CPU.
Preferably, in the anesthetic volatilization type anesthesia machine, the second and third air supply paths are conveyed by the same air supply pipeline at the air supply end, and the air supply pipeline is provided with a pressure gauge.
Compared with the prior art, the utility model discloses following beneficial effect has:
the breathing circuit is a closed circuit. Two one-way gas valves (expiration valve and inspiration valve) are arranged in the loop to prevent the counter flow of expiration and inspiration flow, and CO is filled in the loop2The absorption tank is used for sending the gas exhaled by the patient to the inhalation end of the patient together with the fresh gas and the anesthetic gas supplied by the main body of the respirator after the gas is reacted by the soda lime in the absorption tank. An air passage pressure gauge is arranged in the loop to monitor the air passage pressure in real time. In addition, a semi-closed safety valve is arranged in the circuit, the airway pressure can be freely adjusted by a user according to clinical needs to ensure the airway pressure safety, and the valve is used for carrying out a semi-closed or open type breathing management mode. The semi-closed safety valve can also be used as a safety air release valve, and the gas in the loop can be released by completely opening the valve so as to reduce the gas pressure in the loop and ensure the use safety of the gas circuit.
In addition, a pressure sensor, an oxygen concentration sensor and a flow sensor are also arranged on the breathing loop, so that the parameters of gas pressure, oxygen concentration, flow and the like in the loop can be monitored in real time conveniently.
The anesthetic volatilizer assembled by the machine can adopt mature products on the market, preferably has the functions of pressure, flow and temperature compensation, is connected in series with the gas outlet of the flowmeter of the air supply circuit of the main machine, and takes oxygen flowing out of the flowmeter as a carrier to bring anesthetic into a breathing loop of a patient when the evaporator is in an open state, thereby achieving the anesthetic effect.
The whole breathing anesthesia machine is controlled by a main control CPU, and an operator can set modes and parameters through a control panel and observe the states of all the parameters.
When the air box connected with the respirator main body supplies air to the breathing loop, the manual control or the manual control can be selected through the manual/mechanical control change-over switch, the manual gear is adjusted when the manual control is used for breathing, and the mechanical gear is adjusted when the respirator is controlled.
The anesthesia machine is provided with three gas supply paths, is suitable for gas supply requirements in various states, can be selectively switched according to needs, is provided with a plurality of safety components such as a semi-closed safety valve, a pressure gauge and a low-pressure alarm device, improves safety performance, and is very suitable for medical departments to inhale anesthesia for patients in operation or assist inhalation anesthesia and respiratory management in operation.
Drawings
Fig. 1 is a schematic structural principle diagram of an anesthetic volatilization type breathing 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, an anesthetic volatilization type anesthesia apparatus comprises a main body of the breathing apparatus with a main control CPU, a control panel and a bellows, and a breathing circuit, an anesthetic volatilizer and an air supply circuit connected to the main body of the breathing apparatus.
Wherein, the breathing circuit comprises an expiration pipeline and a CO which are communicated in sequence2The device comprises an absorption tank and an inhalation pipeline, wherein an exhalation valve and a semi-closed safety valve are arranged on the exhalation pipeline, and a pressure sensor, an oxygen concentration sensor and a flow sensor are also arranged on the exhalation pipeline and are all connected to a main control CPU. The inhalation pipeline is provided with an inhalation valve, the exhalation pipeline and CO2The joint of the absorption tank is provided with a gas inlet and a gas outlet.
The semi-closed safety valve is closed clockwise, opened anticlockwise, and the deflation pressure can be adjusted according to the requirement of an anesthesia mode, wherein the deflation pressure can be adjusted at 0-6 Kpa. The airway pressure can be freely adjusted by the user according to clinical needs to ensure airway pressure safety, and the valve is used for semi-closed or open breathing management modes. The semi-closed safety valve can also be used as a safety air release valve, and the gas in the loop can be released by completely opening the valve so as to reduce the pressure of the gas in the loop.
The respiratory loop is provided with two one-way gas valves (expiration valve and inspiration valve) to prevent counter-flow of expiration and inspiration flow, and the gas expired by patient is passed through CO2After the sodium lime in the absorption tank reacts, the sodium lime reacts with fresh air and anesthetic gas supplied by the main machine and is sent to the suction end of a patient.
The gas supply circuit is provided with a pressure reducing valve, and oxygen can enter the three gas supply circuits (although the gas circuit system has a pressure limiting device) after being reduced in pressure by the pressure reducing valve (0.3-0.4 Mpa). The pressure reducing valve can be loaded with commercial products, the optimal maximum pressure is 0.8Mpa, the output pressure is increased by adjusting the knob clockwise and decreased anticlockwise, and the knob is pressed and locked after the pressure is adjusted.
The gas supply circuit comprises three paths, wherein the first path of gas is directly supplied to the main body of the breathing machine to serve as a gas power source, the second path of gas is supplied to a gas inlet and outlet of the breathing circuit through the rapid oxygen supply switch, the third path of gas is supplied to the dispensing volatilizer through the oxygen flow meter, and the anesthetic volatilizer is communicated with the gas inlet and outlet of the breathing circuit.
Specifically, the first air supply path is communicated to a main body of the respirator through a tidal volume regulating valve and then communicated to an air box through a PEEP valve and a peak pressure protection valve by the main body of the respirator, and the air box is connected to an air inlet and an air outlet of a breathing circuit through a manual/mechanical control change-over switch. The manual/machine control change-over switch is also connected with a manual leather bag. The bellows is used for replacing manual leather bag pinching in a mechanical ventilation mode.
The second air supply air path and the third air supply air path are conveyed by the same air supply pipeline at the air supply end, a pressure gauge is arranged on the air supply pipeline, and after passing through the pressure gauge, the second air supply air path is supplied to a gas inlet and a gas outlet of the breathing loop through the rapid oxygen supply switch. The quick oxygen supply switch can be selected from various switch forms, for example, the quick oxygen supply switch can be in an open state after being pressed down and can be in a closed state after being released. When the fast oxygen supply switch is turned on, 25-75L/min oxygen is input into the breathing loop through the gas inlet and outlet of the second gas supply path. This valve is opened when the breathing circuit requires a large amount of fresh oxygen.
The third gas supply circuit is connected to the anesthetic volatilizer through the flowmeter, anesthetic is injected into the anesthetic volatilizer, and oxygen flowing out of the third gas supply circuit is used as a carrier to bring the anesthetic into a breathing loop of a patient, so that an anesthetic effect is achieved.
The relevant control valves and sensors of each gas circuit of the anesthesia machine can be displayed and operated and controlled by a control panel connected with the active CPU.
The inventive concept is explained in detail herein using specific examples, 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. An anesthetic volatilization type breathing anesthesia machine is characterized by comprising a breathing machine main body with a main control CPU, a control panel and an air box, and a breathing loop, an anesthetic volatilizer and an air supply path which are connected with the breathing machine main body, wherein,
the respiratory loop comprises an expiratory pipeline and a CO which are communicated in sequence2An absorption tank and an inhalation pipeline, wherein an exhalation valve and a semi-closed safety valve are arranged on the exhalation pipeline, an inhalation valve is arranged on the inhalation pipeline, and the exhalation pipeline and CO are connected2A gas inlet and a gas outlet are formed at the joint of the absorption tank;
the gas supply circuit comprises three paths, wherein the first path of gas is directly supplied to the main body of the breathing machine to serve as a gas power source, the second path of gas is supplied to a gas inlet and outlet of the breathing circuit through the rapid oxygen supply switch, the third path of gas is supplied to the dispensing volatilizer through the oxygen flow meter, and the anesthetic volatilizer is communicated with the gas inlet and outlet of the breathing circuit;
the air box is connected with the respirator body and the gas inlet and outlet through pipelines respectively, a manual/machine control change-over switch is installed at the position where the air box is connected with the gas inlet and outlet, and the manual/machine control change-over switch is further connected with a manual leather bag.
2. The anesthetic-volatized type respiratory anesthesia machine of claim 1, wherein a flow sensor is further installed on the expiration pipeline, and the flow sensor is connected with a main control CPU of the main body of the respirator.
3. The anesthetic-volatized type respiratory anesthesia machine of claim 1, wherein the gas supply circuit is provided with a pressure reducing valve, and the oxygen is reduced in pressure by the pressure reducing valve and then is delivered to three gas circuits.
4. The anesthetic-volatized type respiratory anesthesia machine of claim 1, wherein the gas supply circuit is provided with a low pressure alarm device connected with the main control CPU, and the low pressure alarm device alarms when the oxygen pressure in the gas circuit is lower than a preset value.
5. The anesthetic volatile type anesthesia apparatus of claim 1, wherein a peak pressure protection valve and a PEEP valve are respectively provided on a pipeline connecting the bellows and the main body of the respirator.
6. The anesthetic-volatized type respiratory anesthesia machine of claim 1, wherein the first air supply path is provided with a tidal volume adjusting valve.
7. The anesthetic-volatized type respiratory anesthesia machine of claim 1, wherein a pressure sensor and an oxygen concentration sensor are further installed on the respiratory loop, and both the pressure sensor and the oxygen concentration sensor are connected to the main control CPU.
8. The anesthetic-volatized type respiratory anesthetic machine according to claim 1, wherein the second and third air supply paths are supplied from a same air supply line at an air supply end, and a pressure gauge is provided on the air supply line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120217007.4U CN214970617U (en) | 2021-01-26 | 2021-01-26 | Anesthetic volatilization type breathing anesthesia machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120217007.4U CN214970617U (en) | 2021-01-26 | 2021-01-26 | Anesthetic volatilization type breathing anesthesia machine |
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| Publication Number | Publication Date |
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| CN214970617U true CN214970617U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120217007.4U Active CN214970617U (en) | 2021-01-26 | 2021-01-26 | Anesthetic volatilization type breathing anesthesia machine |
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2021
- 2021-01-26 CN CN202120217007.4U patent/CN214970617U/en active Active
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