CN205924634U - Anesthesia breathing circuit structure - Google Patents

Abstract

The utility model provides an anesthesia breathing circuit structure, its includes oxygen conveyer, breathing machine, anesthesia gas storage bottle, anesthesia aerial fog spinning disk atomiser, respirator, its characterized in that of, the breathing circuit structure is including the the first loop who is used for inhaleing anesthesia gas, the tertiary circuit that is used for inhaled oxygen's second return circuit and is used for exhaling, the first loop includes and connects gradually together oxygen conveyer, buffering gasbag, breathing machine, the narcotic room that holds narcotic, anesthesia gas storage bottle, anesthesia aerial fog spinning disk atomiser, breathes base and respirator through the pipe, the second return circuit includes and connects gradually together oxygen conveyer, buffering gasbag, breathing machine, breathing base and respirator through the pipe, the tertiary circuit includes and connects gradually together respirator, breathes base, carbon dioxide absorber and exhaust gas collection ware through the pipe, and anesthesia gas storage bottle with be equipped with anesthesia gas flow controller between the anesthesia aerial fog spinning disk atomiser.

Description

Anesthesia breathing circuit structure

【Technical field】

The utility model relates to a medical device, in particular to an anesthesia breathing circuit structure.

【Background technique】

Generally, inhalation anesthesia is to send the anesthetic into the alveoli of the patient through a mechanical circuit, form anesthetic gas and diffuse into the blood, thereby inhibiting the central nervous system and anesthetizing the patient. At the same time, inhalation anesthesia must ensure Only when the patient's oxygen supply is good can the anesthesia effect be sustained and stable. However, it is difficult to control the depth of anesthesia and the amount of oxygen supply during the operation, thereby stimulating the respiratory tract and affecting the patient's condition and operation; and the existing anesthesia device cannot adjust the concentration ratio between oxygen and anesthetic agent gas according to actual needs. Anesthesia does not work well.

【Content of utility model】

The purpose of this utility model is to solve the above problems and provide an anesthesia breathing circuit structure with easy control of anesthesia depth and oxygen supply, easy adjustment of the concentration ratio between oxygen and anesthesia drug gas, detachable breathing device, and good anesthesia effect .

In order to achieve the above object, the utility model provides an anesthesia breathing circuit structure, which includes an oxygen conveyor, a ventilator, an anesthetic gas storage bottle, an anesthesia gas nebulizer, and a breathing mask. It is characterized in that the breathing circuit structure includes A first circuit for inhaling anesthetic gas, a second circuit for inhaling oxygen, and a third circuit for exhaling, the first circuit includes an oxygen delivery device, a buffer air bag, and a ventilator that are sequentially connected together through a catheter , an anesthetic agent chamber containing anesthetic agents, an anesthetic gas storage bottle, an anesthetic gas nebulizer, a breathing base and a breathing mask, the second circuit includes an oxygen conveyor, a buffer air bag, a ventilator, and a breathing base that are sequentially connected together through a catheter and a breathing mask, the third loop includes a breathing mask, a breathing base, a carbon dioxide absorber, and an exhaust gas collector that are sequentially connected together through a conduit; and an anesthetic gas storage bottle and an anesthetic gas atomizer are provided There is an anesthetic gas flow controller.

A first three-way is provided on the conduit connecting the ventilator and the anesthetic chamber, the first end of the first three-way communicates with the anesthetic chamber through the conduit, and the second end of the first three-way passes through The conduit communicates with the ventilator, and the third end of the first tee communicates with the breathing base through the conduit.

A first cut-off valve for controlling the on-off of the conduit is provided on the conduit connecting the first three-way with the breathing base.

On the conduit between the oxygen conveyor and the buffer airbag, an air supply check valve is provided to allow the gas to flow toward the buffer airbag; The intake one-way valve for ventilator circulation, the conduit between the ventilator and the first three-way is provided with an air-outlet one-way valve that allows the gas to flow toward the first three-way, and the first three-way A second cut-off valve is provided on the conduit between the anesthetic agent chamber and an exhalation one-way valve that allows gas to flow toward the carbon dioxide absorber on the conduit between the breathing base and the carbon dioxide absorber.

A mixed gas chamber and a third shut-off valve are also arranged between the anesthetic agent chamber and the anesthetic gas storage bottle, a heating chamber is arranged at the bottom of the mixed gas chamber, and a heater is arranged in the heating chamber.

The intentional contribution of the present utility model is that it effectively solves the above-mentioned problems. The utility model is provided with a first circuit for inhaling anesthesia gas, a second circuit for inhaling oxygen and a third circuit for exhalation, and setting a corresponding cut-off valve and a one-way valve on the circuit, so that it is easy to The purpose of the utility model is realized by controlling the concentration ratio between oxygen and anesthesia agent gas, controlling the depth of anesthesia and the amount of oxygen supplied. The utility model has the characteristics of simple structure, easy disassembly, simple use, etc., and has strong practicability.

【Description of drawings】

Fig. 1 is the structural representation of the utility model.

【detailed description】

The following examples are further explanations and supplements to the utility model, and do not constitute any limitation to the utility model.

As shown in Figure 1, the main feature of the anesthesia breathing circuit structure of the present invention is that it is provided with three circuits—the first circuit, the second circuit and the third circuit, so that the oxygen supply can be conveniently controlled.

The first circuit is used for inhaling anesthesia gas, which includes an oxygen delivery device 1, a buffer air bag 2, a ventilator 3, an anesthetic agent chamber 4 containing an anesthetic agent, an anesthetic gas storage bottle 5, and an anesthetic gas mist, which are connected together in sequence through a catheter. The vaporizer 6, the breathing base 7 and the breathing mask 8, the gas flow direction is from the oxygen delivery device 1 to the breathing mask 8 direction.

The second circuit is used to make the patient inhale pure oxygen, which includes an oxygen delivery device 1, a buffer air bag 2, a ventilator 3, an anesthetic chamber 4 containing an anesthetic agent, an anesthetic gas storage bottle 5, an anesthesia chamber connected together through a catheter in sequence. The gas atomizer 6, the breathing base 7 and the breathing mask 8; the flow direction of oxygen is from the oxygen delivery device 1 to the breathing mask 8.

The third circuit is used for exhalation, and it includes a breathing mask 8, a breathing base 7, a carbon dioxide absorber 9 and an exhaust gas collector 10 that are sequentially connected together through a conduit, and the gas flow direction is from the breathing mask 8 to the exhaust gas collector 10. direction flow.

In order to simplify the circuit structure, a first three-way 11 is provided on the conduit connecting the ventilator 3 and the anesthetic agent chamber 4, and the first end of the first three-way 11 communicates with the anesthetic agent chamber 4 through the conduit, so The second end of the first three-way 11 communicates with the ventilator 3 through a conduit, and the second end of the first three-way 11 communicates with the breathing base 7 through a conduit.

In order to control gas circulation, a first cut-off valve 12 for controlling the on-off of the conduit is provided on the conduit connecting the first three-way 11 and the breathing base 7 . On the conduit between the oxygen delivery device 1 and the buffer airbag 2, there is a gas delivery check valve 13 that allows the gas to circulate toward the buffer airbag 2; An air intake check valve 14 is provided on the top to allow the gas to flow toward the ventilator 3, and an outlet for allowing the gas to flow toward the first three-way 11 is provided on the conduit between the ventilator 3 and the first three-way 11. A one-way valve 15, a second cut-off valve 16 is provided on the conduit between the first tee 11 and the anesthetic chamber 4, and a second stop valve 16 is provided on the conduit between the breathing base 7 and the carbon dioxide absorber 9 An exhalation one-way valve 17 is provided to allow the gas to flow in the direction of the carbon dioxide absorber 9 .

In addition, a mixed gas chamber 18 and a third shut-off valve 19 are also provided between the anesthetic agent chamber 4 and the anesthetic gas storage bottle 5, and a heating chamber 21 is arranged at the bottom of the mixed gas chamber 18, and in the heating chamber 21 A heater 22 is provided. An anesthetic gas flow controller 20 is provided between the anesthetic gas storage bottle 5 and the anesthetic gas nebulizer 6 .

Thus, the anesthesia breathing circuit structure of the present utility model is formed. The working principle of the anesthesia breathing circuit structure is as follows:

Before the operation, the medical staff fixes the breathing mask 8 on the nose and mouth of the patient, opens the second shut-off valve 16, closes the first shut-off valve 12, turns on the ventilator 3, and adjusts the flow of oxygen through the oxygen conveyor 1 as required so that the oxygen can pass through the ventilator. 3 Enter the anesthesia vaporizer, the heater 22 in the heating chamber 21 of the anesthesia vaporizer is energized and heated to vaporize the anesthetic agent in the anesthetic agent chamber 4 to generate anesthetic agent vapor, and then open the third shut-off valve 19 to allow the anesthesia vapor and oxygen to enter the anesthesia In the gas storage bottle 5, the anesthesia steam and oxygen are atomized by the anesthesia gas nebulizer 6 and then flow to the breathing mask 8 for the patient to breathe under anesthesia. After the operation, close the second shut-off valve 16 and the third shut-off valve 19, and open the first shut-off valve 12 to allow pure oxygen to enter the patient's body, accelerate the discharge of anesthetics, and help the patient recover quickly. During the operation, the medical staff can control the ratio of oxygen to anesthetic gas according to the anesthetic gas flow controller 20 and the oxygen delivery device 1, which is convenient to adjust and easy to operate, and improves the safety and effectiveness of anesthesia for patients. The anesthesia gas flow controller 20 can conveniently adjust the flow rate of the mixed gas, and the anesthesia depth and oxygen supply volume can be easily controlled.

Although the utility model has been disclosed through the above embodiments, the scope of the utility model is not limited thereto. Under the condition of not departing from the concept of the utility model, the above components can be realized by similar or equivalent elements understood by those skilled in the art replace.

Claims (5)

1. An anesthesia breathing circuit structure, which comprises an oxygen delivery device (1), a ventilator (3), an anesthesia gas storage bottle (5), an anesthesia gas nebulizer (6), a breathing mask (8), is characterized in that , the breathing circuit structure includes a first circuit for inhaling anesthetic gas, a second circuit for inhaling oxygen and a third circuit for exhaling, and the first circuit includes oxygen delivery devices connected in sequence through catheters (1), buffer air bag (2), ventilator (3), anesthetic chamber containing anesthetic (4), anesthetic gas storage bottle (5), anesthetic gas nebulizer (6), breathing base (7) and breathing A face mask (8), the second circuit includes an oxygen delivery device (1), a buffer air bag (2), a ventilator (3), a breathing base (7) and a breathing mask (8) connected in sequence through a conduit, and the The third circuit includes a breathing mask (8), a breathing base (7), a carbon dioxide absorber (9) and an exhaust gas collector (10) that are sequentially connected together through a conduit; and the anesthetic gas storage bottle (5) and An anesthetic gas flow controller (20) is provided between the anesthetic gas nebulizers (6). 2. The anesthesia breathing circuit structure as claimed in claim 1, characterized in that, a first tee (11) is provided on the conduit connecting the ventilator (3) and the anesthesia chamber (4), the first tee (11) is arranged, and The first end of a three-way (11) communicates with the anesthetic chamber (4) through a conduit, the second end of the first three-way (11) communicates with the ventilator (3) through a conduit, and the first end of the three-way (11) communicates with the ventilator (3) through a conduit. The third end of a tee (11) communicates with the breathing base (7) through a conduit. 3. The anesthesia breathing circuit structure according to claim 2, characterized in that, a first cut-off for controlling the on-off of the conduit is provided on the conduit connecting the first tee (11) to the breathing base (7). valve (12). 4. Anesthesia breathing circuit structure as claimed in claim 3, is characterized in that, on the conduit between described oxygen delivery device (1) and described buffer air bag (2), be provided with to make gas toward buffer air bag (2) An air-supply one-way valve (13) for circulation, and an air intake one-way valve (14) for the gas to flow toward the ventilator (3) is provided on the conduit between the buffer air bag (2) and the ventilator (3) ), the conduit between the ventilator (3) and the first three-way (11) is provided with an air outlet check valve (15) that allows the gas to flow toward the first three-way (11), in the The conduit between the first tee (11) and the anesthetic agent chamber (4) is provided with a second stop valve (16), between the breathing base (7) and the carbon dioxide absorber (9) An exhalation one-way valve (17) is provided on the conduit to allow the gas to flow toward the carbon dioxide absorber (9). 5. The anesthesia breathing circuit structure as claimed in claim 4, characterized in that, between the anesthetic agent chamber (4) and the anesthetic gas storage bottle (5), a mixed gas chamber (18) and a third shut-off valve (19) are also provided. ), a heating chamber (21) is provided at the bottom of the gas mixture chamber (18), and a heater (22) is provided in the heating chamber (21).