CN214970619U - Conveniently control anesthesia machine of anesthetic volume of volatilizing - Google Patents
Conveniently control anesthesia machine of anesthetic volume of volatilizing Download PDFInfo
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- CN214970619U CN214970619U CN202120231441.8U CN202120231441U CN214970619U CN 214970619 U CN214970619 U CN 214970619U CN 202120231441 U CN202120231441 U CN 202120231441U CN 214970619 U CN214970619 U CN 214970619U
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Abstract
The utility model discloses a respiratory anesthesia machine which is convenient for controlling anesthetic dosage, comprising a respiratory loop, an oxygen gas supply circuit and an anesthesia gas supply circuit; the anesthesia gas supply gas circuit comprises an anesthetic volatilizer and an oxygen gas circuit, wherein one end of the anesthetic volatilizer is connected with the fresh gas inlet, and the other end of the anesthetic volatilizer is connected with the oxygen gas circuit; the anesthetic volatilizer comprises a body, and injection mouth, air inlet and delivery outlet have been seted up to the body side, and the tapping hole is seted up to the bottom, is used for storing liquid volatile anesthetic in this body, and the air inlet inwards extends and forms the air inlet pipeline, and the air inlet pipeline end is opened in this internal anesthetic liquid level top space, and the air inlet pipeline top is provided with concentration control knob, adjusts the anesthetic concentration of delivery outlet output through the gaseous air input of regulation carrier. The anesthesia machine has simple structure, convenient control and easy operation.
Description
Technical Field
The utility model relates to a respiratory anesthesia machine, concretely relates to structure meets single, conveniently controls respiratory anesthesia machine of anesthetic volume of volatilizing.
Background
General anesthesia is usually required before a large-scale operation is performed on a patient, and the anesthesia dosage and time control of the general anesthesia are key factors for guaranteeing the safety of the patient, so that the adjustment and control of the introduction amount of the anesthetic gas are very important in the design of a respiratory anesthesia machine.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can close, half close control, also can conveniently control the anesthesia gas inhalation volume's anesthesia machine simultaneously in the anesthesia process.
The detailed technical scheme of the utility model is as follows:
a respiratory anesthesia machine convenient for controlling anesthetic dosage comprises a respiratory loop, an oxygen gas supply circuit and an anesthesia gas supply circuit; the breathing circuit comprises a breathing machine, an air box, a soda lime tank, an expiration pipeline and an inspiration pipeline, wherein the expiration pipeline and the inspiration pipeline are converged at two ends, one end of the expiration pipeline is used for a patient to breathe, the other end of the expiration pipeline is connected to the soda lime tank, the air box and the breathing machine are sequentially connected through pipelines, and a fresh air inlet is formed in a connecting pipeline of the soda lime tank and the air box;
the oxygen supply gas circuit comprises an oxygen supply pipeline, one end of the oxygen supply pipeline is connected with a fresh gas inlet, the other end of the oxygen supply pipeline is connected with an oxygen supply end, and a quick oxygen supply switch is arranged on the oxygen supply pipeline;
the anesthesia gas supply gas path comprises an anesthetic volatilizer and an oxygen gas path, wherein one end of the anesthetic volatilizer is connected with the fresh gas inlet, and the other end of the anesthetic volatilizer is connected with the oxygen gas path;
the anesthetic volatilizer comprises a body, and injection mouth, air inlet and delivery outlet have been seted up to the body side, and the tapping hole is seted up to the bottom, is used for storing liquid volatile anesthetic in this body, and the air inlet inwards extends and forms the air inlet pipeline, and the air inlet pipeline end is opened in this internal anesthetic liquid level top space, and the air inlet pipeline top is provided with concentration adjustment knob, adjusts the anesthetic concentration of delivery outlet output through the gaseous air input of regulation carrier. The concentration adjustment knob is actually a flow adjustment control valve that controls the flow of incoming gas by rotating clockwise or counterclockwise.
Preferably, in the anesthesia machine, the outer wall of the main body of the anesthetic volatilizer is further provided with a fixing stud for fixing the anesthetic volatilizer on the anesthesia machine.
Preferably, in the anesthesia machine, the oxygen gas circuit and the oxygen supply pipeline share one pressure gauge.
Preferably, in the anesthesia respirator, the exhalation pipeline is provided with an exhalation valve, a deflation valve, a flow sensor and a pressure sensor, wherein the flow sensor and the pressure sensor are respectively connected with the respirator.
Preferably, in the anesthesia machine, the inhalation duct is provided with an inhalation flap.
Preferably, in the anesthesia respirator, a peak pressure protection valve and a PEEP valve are arranged on a connecting pipeline between the air box and the respirator, and a manual/mechanical control change-over switch is arranged on a connecting pipeline between the air box and the soda ash can; the manual/machine control change-over switch is also connected with a manual leather bag.
Preferably, in the anesthesia machine, the oxygen supply end is provided with a low-pressure alarm, the oxygen supply end is connected with the respirator through a pipeline, and a tidal volume regulating valve is arranged on the connecting pipeline.
The utility model provides a anesthesia machine breathes has following beneficial effect:
the anesthesia machine is suitable for the anesthesia mode of volatile anesthetic, under the condition that the saturated vapor pressure is constant (for example, the saturated vapor pressure is constant under the control of the temperature), the air inflow of carrier gas can be controlled by rotating the concentration adjusting knob, and then the content of the anesthetic volatilized into gas in the mixed gas is adjusted, so that the purpose of adjusting the concentration is achieved, the structure is simple, the control method is simple, and the operation is easy. In addition, the fresh air inlet is also connected with an oxygen air supply air path, if the anesthesia air path goes wrong, the anesthetic volatilizer can be quickly closed, and the quick oxygen supply switch is opened to provide sufficient oxygen for the patient, so that the safety is improved.
The anesthesia machine can realize the anesthesia control of tight closure and semi-tight closure, and is a tight closure gas circuit when the air release valve is closed and is a semi-tight closure gas circuit when the air release valve is opened.
Drawings
FIG. 1 is a schematic view showing the connection relationship of the whole structure of a respiratory anesthesia machine for conveniently controlling the volatilization amount of anesthetic;
FIG. 2 is a schematic view of the external structure of the anesthetic volatilizer;
fig. 3 is a schematic view of the relationship of the internal gas paths of the anesthetic volatilizer.
In the figure:
1-concentration adjusting knob, 2-drug injection port, 3-liquid discharge port, 4-liquid level meter, 5-air inlet and 6-output port.
Detailed Description
The technical solutions of the present invention will be explained and explained in detail with reference to the embodiments and the accompanying drawings so that those skilled in the art can better understand the present invention and implement the same.
Referring to fig. 1 and 2, a respiratory anesthesia machine capable of conveniently controlling anesthetic dosage includes a respiratory loop, an oxygen gas supply circuit and an anesthesia gas supply circuit.
The breathing loop comprises a breathing machine, an air box, a soda lime tank, an expiration pipeline and an inspiration pipeline, wherein the expiration pipeline and the inspiration pipeline are converged at two ends, one end of the expiration pipeline is used for breathing of a patient, the other end of the expiration pipeline is connected to the soda lime tank (used for absorbing carbon dioxide in expired air of the patient), the soda lime tank, the air box and the breathing machine are sequentially connected through pipelines, and a fresh air inlet is formed in a connecting pipeline of the soda lime tank and the air box. An expiration valve, an air release valve, a flow sensor and a pressure sensor are arranged on the expiration pipeline, wherein the flow sensor and the pressure sensor are respectively connected with the respirator. The air suction pipeline is provided with an air suction valve.
And a peak pressure protection valve and a PEEP valve are arranged on a connecting pipeline of the air box and the respirator, and the peak pressure protection valve is used for opening and releasing pressure after the gas pressure value in the pipeline reaches a preset peak value. The PEEP valve is used to control the magnitude of the positive end expiratory pressure (controlling the end of expiration to give a positive pressure to the alveoli). A manual/mechanical control change-over switch is arranged on a connecting pipeline of the air box and the soda lime tank; the manual/machine control change-over switch is also connected with a manual leather bag. When the manual/machine control change-over switch is adjusted to the machine control, the breathing circuit is provided with the air source and the breathing pressure by the breathing machine, and when the manual/machine control change-over switch is adjusted to the manual control, the manual leather bag is squeezed by an operator to provide the air source and the breathing pressure.
Oxygen gas supply gas circuit includes the oxygen suppliment pipeline, and fresh gas entry is connected to oxygen suppliment pipeline one end, and the oxygen suppliment end is connected to the other end, sets up quick oxygen suppliment switch and manometer on the oxygen suppliment pipeline. The oxygen supply end is provided with a low-pressure alarm, is connected with the breathing machine through a pipeline, and is provided with a tidal volume regulating valve on the connecting pipeline.
The anesthesia air feed gas circuit includes anesthetic volatilizer and oxygen gas circuit, and wherein, anesthetic volatilizer one end is connected the new gas entry, and the oxygen gas circuit is connected to the other end, sets up the manometer on the oxygen gas circuit.
The anesthetic volatilizer comprises a body, and injection mouth, air inlet and delivery outlet have been seted up to the body side, and the tapping hole is seted up to the bottom, is used for storing liquid volatile anesthetic in this body, and the air inlet inwards extends and forms the air inlet pipeline, and the air inlet pipeline end is opened in this internal anesthetic liquid level top space, and the air inlet pipeline top is provided with concentration adjustment knob, adjusts the anesthetic concentration of delivery outlet output through the gaseous air input of regulation carrier. The concentration adjustment knob is actually a flow adjustment control valve that controls the flow of incoming gas by rotating clockwise or counterclockwise. A liquid level meter is preferably arranged in the body, so that the storage amount of the liquid volatile anesthetic can be conveniently checked, and a temperature control device is arranged to directly or indirectly supply heat to control the temperature value range so as to ensure that the saturated vapor pressure of the medicine in the storage tank is relatively constant. The body is also provided with a medicine injection port for injecting medicine liquid inwards, and a medicine discharge port for discharging the residual medicine liquid. The outer wall of the body can also be provided with a fixing stud for fixing the anesthetic volatilizer on the respiratory anesthesia machine.
The respiratory anesthesia machine has three air supply channels, wherein the first air supply channel is that an oxygen supply end directly enters the breathing machine through a tidal volume regulating valve, and the oxygen supply end is used as a power air source of the breathing machine, enters an air box and is provided to a breathing loop by the air box. The second is that the oxygen at the oxygen supply end enters an oxygen supply gas path through a pipeline, and the oxygen directly enters a breathing loop after a rapid oxygen supply switch is turned on. And the third is that oxygen at the oxygen supply end enters the anesthetic volatilizer through the oxygen flowmeter, is mixed with anesthetic in the anesthetic volatilizer and then is sent to a breathing loop for respiratory anesthesia. The oxygen supply end is also provided with a low-pressure alarm, and when the pressure of supplied oxygen is lower than a preset value, the low-pressure alarm gives an alarm to remind a user of adjusting the oxygen supply pressure.
The air release valve on the expiration loop is used for realizing semi-closed anesthesia, namely in an anesthesia state, when the air pressure in the respiration loop is too high, partial air is released through the air release valve, and the air pressure in the loop is kept to return to a normal value.
In conclusion, the respiratory anesthesia machine has simple structure and easy operation, can conveniently control the dosage of the anesthetic, and is suitable for most patients needing general anesthesia.
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 (7)
1. A respiratory anesthesia machine convenient for controlling anesthetic dose is characterized by comprising a respiratory loop, an oxygen gas supply circuit and an anesthesia gas supply circuit; wherein,
the breathing loop comprises a breathing machine, an air box, a soda lime tank, an expiration pipeline and an inspiration pipeline, wherein the expiration pipeline and the inspiration pipeline are converged at two ends, one end of the expiration pipeline is used for breathing of a patient, the other end of the expiration pipeline is connected to the soda lime tank, the air box and the breathing machine are sequentially connected through pipelines, and a fresh air inlet is formed in a connecting pipeline of the soda lime tank and the air box;
the oxygen supply gas circuit comprises an oxygen supply pipeline, one end of the oxygen supply pipeline is connected with a fresh gas inlet, the other end of the oxygen supply pipeline is connected with an oxygen supply end, and a quick oxygen supply switch is arranged on the oxygen supply pipeline;
the anesthesia gas supply gas path comprises an anesthetic volatilizer and an oxygen gas path, wherein one end of the anesthetic volatilizer is connected with the fresh gas inlet, and the other end of the anesthetic volatilizer is connected with the oxygen gas path;
the anesthetic volatilizer comprises a body, and injection mouth, air inlet and delivery outlet have been seted up to the body side, and the tapping hole is seted up to the bottom, is used for storing liquid volatile anesthetic in this body, and the air inlet inwards extends and forms the air inlet pipeline, and the air inlet pipeline end is opened in this internal anesthetic liquid level top space, and the air inlet pipeline top is provided with concentration adjustment knob, adjusts the anesthetic concentration of delivery outlet output through the gaseous air input of regulation carrier.
2. The anesthesia apparatus of claim 1, wherein the outer wall of the anesthetic volatilizer body is further provided with a fixing stud for fixing the anesthetic volatilizer on the anesthesia apparatus.
3. The respiratory anesthesia machine of claim 1, wherein the oxygen circuit and the oxygen supply line share a pressure gauge.
4. The respiratory anesthesia machine of claim 1, wherein the exhalation pipeline is provided with an exhalation valve, a deflation valve, a flow sensor and a pressure sensor, wherein the flow sensor and the pressure sensor are respectively connected with the respirator.
5. The respiratory anesthesia machine of claim 1, wherein an inhalation flap is disposed on the inhalation conduit.
6. The anesthesia apparatus of claim 1, wherein a peak pressure protection valve and a PEEP valve are disposed on the connection pipeline between the bellows and the respirator, and a manual/mechanical switch is disposed on the connection pipeline between the bellows and the soda ash can; the manual/machine control change-over switch is also connected with a manual leather bag.
7. The respiratory anesthesia machine of claim 1, wherein the oxygen supply end is provided with a low pressure alarm, the oxygen supply end is connected with the respirator through a pipeline, and a tidal volume regulating valve is arranged on the connecting pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120231441.8U CN214970619U (en) | 2021-01-26 | 2021-01-26 | Conveniently control anesthesia machine of anesthetic volume of volatilizing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120231441.8U CN214970619U (en) | 2021-01-26 | 2021-01-26 | Conveniently control anesthesia machine of anesthetic volume of volatilizing |
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| Publication Number | Publication Date |
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| CN214970619U true CN214970619U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120231441.8U Active CN214970619U (en) | 2021-01-26 | 2021-01-26 | Conveniently control anesthesia machine of anesthetic volume of volatilizing |
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- 2021-01-26 CN CN202120231441.8U patent/CN214970619U/en active Active
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