CN209734702U - Can dismantle anesthesia machine breathing circuit of built-in air lock - Google Patents

Abstract

The utility model discloses a can dismantle loop is breathed to anesthesia machine of built-in air-resistor, should breathe the loop and will exhale the mouth of pipe through the pipeline in proper order, exhale the flap, the carbon dioxide absorption tank, manual/machine accuse change over switch, breathe in the flap, the mouth of pipe of breathing in links into a tight closed loop, be equipped with the mounting hole on the interface of breathing loop internal circulation gas circuit and manual/machine accuse change over switch, detachable air-resistor subassembly is installed to mounting hole department, the air-resistor subassembly includes the air-resistor seat, the air-resistor connects and air-resistor interface, the utility model has the advantages of simple structure, be convenient for maintain, job stabilization, the reliability is high and the cost is lower.

Description

can dismantle anesthesia machine breathing circuit of built-in air lock

Technical Field

The utility model relates to the field of medical equipment, in particular to can dismantle loop is breathed to anesthesia machine of built-in air-resistor.

Background

China including international anesthesia machines adopts a mode of realizing differential pressure type flow rate monitoring or adopts an air resistance joint made of an open die plastic material to be connected with a Y-shaped tee joint end of a patient, but a long connecting pipe is connected to the patient end, so that the connecting pipe is very inconvenient and is easy to fall off and damage on the ground; or the air resistance is integrated in the whole module of the loop, but the direct result is that the cost is greatly increased, the maintenance cost is high, and the air resistance part cannot be thoroughly cleaned and disinfected.

Therefore, in order to overcome the defects of complex structure, low reliability, high cost and the like of an anesthesia machine loop in the process of realizing differential pressure sampling and flow rate monitoring, the research on the detachable anesthesia machine breathing loop with built-in air resistance has great significance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a breathing loop of an anesthesia machine with a detachable built-in air resistance is provided.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a can dismantle anesthesia machine breathing circuit of built-in air-resistor, this breathing circuit will exhale the mouth of pipe in proper order through the pipeline, exhale the valve, the carbon dioxide absorption jar, manual/machine accuse change over switch, inhale the valve, inhale the mouth of pipe and connect into a tight loop, be equipped with the mounting hole on breathing circuit internal recycle gas circuit and manual/machine accuse change over switch's the interface, detachable air-resistor subassembly is installed to mounting hole department, the air-resistor subassembly includes the air-resistor seat, the air-resistor connects and hinders the interface, the air-resistor seat is connected with the air-resistor articulate, the air-resistor interface sets up on the air-resistor interface, the air-resistor interface includes air-resistor interface and lower air-resistor interface, go up the air-resistor interface and exhale the valve, inhale the valve and be connected, lower air-.

Preferably, a sealing ring is arranged between the air resistance joint and the air resistance seat for sealing.

Preferably, the upper air resistance interface is connected with the expiration valve and the inspiration valve through a first Y-shaped pipe, and a connector is arranged at an interface on the machine shell and is connected with a second Y-shaped pipe of the lower air resistance interface.

Preferably, an air passage pressure gauge for monitoring the air passage pressure in real time is arranged on a pipeline for communicating the expiration valve with the carbon dioxide absorption tank.

Preferably, a semi-closed safety valve is arranged on a pipeline communicated with the air suction valve and the air suction pipe orifice, and the air in the loop can be discharged by opening the semi-closed safety valve so as to reduce the air pressure in the loop.

The beneficial effect of adopting above technical scheme is: the utility model discloses the loop is breathed to anesthesia machine that can dismantle built-in air-resistor of structure, this utility model have simple structure, be convenient for maintain, job stabilization, reliability height and advantage such as the cost is lower.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a front view of the air resistor assembly of the present invention;

FIG. 3 is a side view of the air resistor assembly of the present invention;

The device comprises a breathing loop 1, an air resistance component 2, an air resistance seat 2-1, an air resistance joint 2-2, an upper air resistance interface 2-3, a lower air resistance interface 2-4, a sealing ring 2-5, a first Y-shaped pipe 3-4, a second Y-shaped pipe 5, a machine shell 6, an exhalation pipe opening 7, an inhalation pipe opening 8, an exhalation valve 9, an inhalation valve 10, a carbon dioxide absorption tank 11, an air passage pressure gauge 12, a manual control/mechanical control change-over switch and a semi-tight safety valve 13.

Detailed Description

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Fig. 1 to 3 show a specific embodiment of the present invention: a detachable anesthesia machine breathing loop with built-in air resistance is characterized in that a breathing loop 1 sequentially connects an expiration pipe orifice 6, an expiration valve 8, a carbon dioxide absorption tank 10, a manual/mechanical control change-over switch 12, an inspiration valve 9 and an inspiration pipe orifice 7 into a closed loop through pipelines, a connecting passage of an internal circulation air circuit of the breathing loop 1 and the manual/mechanical control change-over switch 12 is provided with a mounting hole, a detachable air resistance component 2 is mounted at the mounting hole, the air resistance component 2 comprises an air resistance seat 2-1, an air resistance joint 2-2 and an air resistance interface, the air resistance seat 2-1 is connected with the air resistance joint 2-2, the air resistance interface is arranged on the air resistance joint 2-2, the air resistance interface comprises an upper air resistance interface 2-3 and a lower air resistance interface 2-4, the upper air resistance interface 2-3 is connected with the expiration valve 8 and the inspiration valve 9, the lower air resistance interface 2-4 is connected with the machine shell 5.

And a sealing ring 2-5 is arranged between the air resistance joint 2-2 and the air resistance seat 2-1 for sealing.

The upper air resistance interface 2-3 is connected with an expiration valve 8 and an inspiration valve 9 through a first Y-shaped pipe 3, and a connector is arranged at an interface on the machine shell 5 and is connected with a second Y-shaped pipe 4 of the lower air resistance interface 2-4.

And an air passage pressure gauge 11 for monitoring the air passage pressure in real time is arranged on a pipeline for communicating the expiration valve 8 with the carbon dioxide absorption tank 10.

And a semi-closed safety valve 13 is arranged on a pipeline communicated with the air suction valve 9 and the air suction pipe opening 7, and the air in the loop can be discharged by opening the semi-closed safety valve so as to reduce the air pressure in the loop.

The utility model discloses a can dismantle anesthesia machine breathing circuit of built-in air lock commonly calls to hang outward for anesthesia machine and patient's being connected, forming a tight closed loop with the gas delivery outlet of anesthesia machine and patient's respiratory track mutually, for patient's inspired gas (for example oxygen) and expired gas provide the passageway, this breathing circuit 1 needs regularly disinfected.

The utility model discloses a can dismantle anesthesia machine breathing circuit of built-in air-resistor has two one-way gas valves, is expiration valve 8 and inspiration valve 9 respectively to prevent to breathe out, the counter current of inspiratory flow, breathe in valve 9 and exhale and be equipped with the involucra of calming anger between the valve 8, the involucra of calming anger plays the jam function. When inhaling (pressurizing), the gas enters the inspiration valve 9 from the inspiration pipe orifice 7, and simultaneously inflates the inside of the air compressing involucra, compresses and closes the expiration valve 8, and forces the gas to enter the respiratory tract through the inspiration pipe orifice 7; when the air is exhaled (decompressed), the exhaled air enters the exhalation valve 8 from the exhalation pipe orifice 6, meanwhile, the inside of the air compressing membrane is inflated, the inhalation valve 9 is pressed and closed, and the air is forced to be exhausted through the exhalation pipe orifice 6.

The utility model discloses a can dismantle anesthesia machine breathing circuit of built-in air-resistor has carbon dioxide absorption tank 10 to be arranged in absorbing the carbon dioxide among the expired gas, and gas carries out the suction end that sends into patient after the soda lime reaction in this jar, nevertheless can not change carbon dioxide into oxygen completely, still contains a small amount of carbon dioxide in the gas, but the carbon dioxide of low concentration can excite the breathing maincenter, makes the breathing accelerate, is favorable to patient on the contrary.

The utility model discloses a breathing circuit 1's air flue manometer 11, manual/machine accuse change over switch 12 and half tight relief valve 13 constitute pressure release system, and air flue manometer 11 detects breathing circuit 1's pressure value, controls half tight relief valve 13 arbitrary or accurate adjustment release pressure through manual/machine accuse change over switch 12. The internal circulation gas circuit of the loop is also respectively connected with a machine control interface and a manual rubber ball interface through a manual control/machine control change-over switch 12; the semi-tight safety valve 13 can be used for ensuring the safety of the airway pressure by freely adjusting the airway deflation pressure by a user according to clinical needs, and the valve is used for a semi-tight or open type breathing management mode. In addition, the semi-closed safety valve 13 can also be used as a safety vent 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 working principle is as follows: when the machine enters a working mode, in an inspiratory phase, the pressure of a high-pressure pipe (a transparent pipe of a Y-shaped pipe) is higher than that of a low-pressure pipe (a blue pipe of the Y-shaped pipe), a differential pressure sensor can output a direct-current voltage signal of more than 2.25V, corresponding air flow velocity is obtained through calculation of a CPU, and the value of the inspiratory tidal volume of the inspiratory phase is obtained through time integration; in the expiratory phase, the pressure of a high-pressure pipe (a transparent pipe of a Y-shaped pipe) is lower than that of a low-pressure pipe (a blue pipe of the Y-shaped pipe), the differential pressure sensor outputs a direct-current voltage signal of less than 2.25V, the corresponding air flow speed is obtained through the calculation of a CPU, and the value of the inspiratory tidal volume of the expiratory phase is obtained through the time integration.

The utility model discloses the loop is breathed to anesthesia machine that can dismantle built-in air-resistor of structure, this utility model have simple structure, be convenient for maintain, job stabilization, reliability height and advantage such as the cost is lower.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept, and these all fall into the protection scope of the present invention.

Claims (5)

1. the utility model provides a can dismantle anesthesia machine breathing circuit of built-in air-resistor, this breathing circuit (1) is through the pipeline in proper order with exhaling mouth of pipe (6), expiration flap (8), carbon dioxide absorption jar (10), manual control/machine accuse change over switch (12), inhale flap (9), inhale mouth of pipe (7) and link into a closed circuit, its characterized in that: the breathing circuit (1) internal circulation gas circuit and the manual/mechanical control change-over switch (12) are provided with mounting holes on a connecting passage, a detachable air resistance component (2) is mounted at the mounting hole, the air resistance component (2) comprises an air resistance seat (2-1), an air resistance joint (2-2) and an air resistance interface, the air resistance seat (2-1) is connected with the air resistance joint (2-2), the air resistance interface is arranged on the air resistance joint (2-2), the air resistance interface comprises an upper air resistance interface (2-3) and a lower air resistance interface (2-4), the upper air resistance interface (2-3) is connected with an expiration valve (8) and an inspiration valve (9), and the lower air resistance interface (2-4) is connected with a machine shell (5).

2. The breathing circuit of an anesthesia machine with a detachable built-in air lock, as claimed in claim 1, wherein: and a sealing ring (2-5) is arranged between the air resistance joint (2-2) and the air resistance seat (2-1) for sealing.

3. The breathing circuit of an anesthesia machine with a detachable built-in air lock, as claimed in claim 1, wherein: the upper air resistance interface (2-3) is connected with the expiration valve (8) and the inspiration valve (9) through a first Y-shaped pipe (3), and a connector is arranged at an interface on the machine shell (5) and is connected with a second Y-shaped pipe (4) of the lower air resistance interface (2-4).

4. The breathing circuit of an anesthesia machine with a detachable built-in air lock, as claimed in claim 1, wherein: and an air passage pressure gauge (11) for monitoring the air passage pressure in real time is arranged on a pipeline for communicating the expiration valve (8) with the carbon dioxide absorption tank (10).

5. the breathing circuit of an anesthesia machine with a detachable built-in air lock, as claimed in claim 1, wherein: and a semi-closed safety valve (13) is arranged on a pipeline communicated with the air suction valve (9) and the air suction pipe orifice (7), and the air in the loop can be discharged by opening the semi-closed safety valve so as to reduce the air pressure in the loop.