CN213642702U - Built-in sampling tube structure of anesthesia machine - Google Patents

Abstract

The utility model discloses a built-in sampling tube structure of an anesthesia machine, the gas circuit connecting tube is positioned between the valve component and the sampling tube, the bellows connecting tube is positioned at one end of the sampling tube, the sampling tube is internally provided with an air suction sampling port, an air expiration sampling port and a throttling element, the throttling element is positioned between the air suction sampling port and the air expiration sampling port, the air suction sampling port and the air expiration sampling port are both connected with a sensor pipe, when the air is exhaled and inhaled, the sampling tube is filled with fluid, when the fluid flows through the throttling element in the pipeline, the flow velocity forms local contraction at the throttling element, so the flow velocity is increased, the static pressure is reduced, and then the pressure difference is generated around the throttling element, the fluid flow is larger, the generated pressure difference is larger, thus the flow can be measured according to the pressure difference, and the fluid is transmitted to the sensor from the air suction sampling port and the air expiration sampling port through a pipe, simple structure and more convenient operation.

Description

Built-in sampling tube structure of anesthesia machine

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to an anesthesia machine embeds sampling tube structure.

Background

Breathing circuit is the important component of anesthesia machine, and breathing circuit needs the level to peg graft on anesthesia machine usually, and breathing circuit need gather the relevant data of inhaling the gas circuit and exhaling the gas circuit with the sensor when using, and the connected mode of sensor and breathing circuit is for pegging graft in breathing circuit outside to through hose connection, nevertheless gather the trachea in the current sampling structure more, sampling structure is complicated, is unfavorable for medical staff's work.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anesthesia machine embeds sampling tube structure aims at solving and gathers the trachea more among the current sampling structure among the prior art, and sampling structure is complicated, is unfavorable for medical staff's work.

In order to realize the purpose, the utility model adopts a built-in sampling tube structure of an anesthesia machine, which comprises a valve component, a gas circuit connecting tube, a sampling tube, a bellows connecting tube and a sensor, the gas path connecting pipe is detachably connected with the valve component, the gas path connecting pipe is positioned at one end of the valve component, the sampling pipe is detachably connected with the gas path connecting pipe, and is positioned at one end of the gas path connecting pipe far away from the valve component, the air box connecting pipe is detachably connected with the sampling pipe, and is positioned at one end of the sampling pipe far away from the gas circuit connecting pipe, an inner cavity is arranged in the gas circuit connecting pipe, an air suction sampling port, an air expiration sampling port and a throttling piece are arranged in the sampling pipe, the throttling piece is positioned in the sampling pipe, and the air suction sampling port and the air expiration sampling port are connected with the sensor conduit.

Wherein, bellows takeover is kept away from the one end of sampling pipe is provided with bellows respiration mouth, the pipe diameter of bellows respiration mouth is greater than the pipe diameter that bellows was taken over.

The connecting part of the valve assembly and the gas path connecting pipe, the connecting part of the sampling pipe and the gas path connecting pipe and the connecting part of the air box connecting pipe and the sampling pipe are all provided with sealing rings.

The throttling piece is fixedly connected with the inner wall of the sampling pipe, and a notch is formed in the middle of the throttling piece.

The gas circuit connecting pipe further comprises a nozzle, a spray head of the nozzle is located in an inner cavity of the gas circuit connecting pipe, and one end, far away from the inner cavity, of the nozzle is connected with the air bag.

The sampling pipe is also provided with two connectors which are positioned on the outer wall of the sampling pipe and respectively correspond to the air suction sampling port and the air expiration sampling port.

The beneficial effects of the utility model are embodied in: the gas path connecting pipe is positioned between the valve assembly and the sampling pipe, the bellows connecting pipe is positioned at one end of the sampling pipe, an inspiration sampling port, an expiration sampling port and a throttling element are arranged in the sampling pipe, the throttling element is positioned in the sampling pipe and positioned between the inspiration sampling port and the expiration sampling port, the inspiration sampling port and the expiration sampling port are both connected with the sensor pipe, when the sampling pipe is expired and the sampling pipe is filled with fluid, when the sampling pipe flows through the throttling element in the pipeline, the flow velocity forms local contraction at the throttling element, so that the flow velocity is increased, the static pressure is reduced, then, a pressure difference is generated before and after the throttling element, the fluid flow is larger, the generated pressure difference is larger, and thus, the flow can be measured according to the pressure difference, and the fluid is transmitted to the sensor from the inspiration sampling port and the expiration sampling port through the pipe, simple structure and more convenient operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the internal sampling tube structure of the anesthesia machine of the present invention.

1-valve component, 2-gas path connecting pipe, 21-inner cavity, 3-sampling pipe, 31-inspiration sampling port, 32-expiration sampling port, 33-throttling element, 4-bellows connecting pipe, 41-bellows breathing port, 5-sensor, 6-sealing ring, 7-nozzle and 8-connecting port.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, the utility model provides an anesthesia machine built-in sampling tube structure, which comprises a valve component 1, a gas circuit connecting tube 2, a sampling tube 3, a bellows connecting tube 4 and a sensor 5, wherein the gas circuit connecting tube 2 is detachably connected with the valve component 1, the gas circuit connecting tube 2 is located at one end of the valve component 1, the sampling tube 3 is detachably connected with the gas circuit connecting tube 2 and is located at one end of the gas circuit connecting tube 2 away from the valve component 1, the bellows connecting tube 4 is detachably connected with the sampling tube 3 and is located at one end of the sampling tube 3 away from the gas circuit connecting tube 2, an inner cavity 21 is arranged in the gas circuit connecting tube 2, a gas suction sampling port 31, a gas expiration sampling port 32 and a throttling element 33 are arranged in the sampling tube 3, the throttling element 33 is located inside the sampling tube 3 and is located between the gas suction sampling port 31 and the gas expiration sampling port 32, the inhalation sampling port 31 and the exhalation sampling port 32 are both connected to the sensor 5 conduit.

In this embodiment, the gas path connecting pipe 2 is located at one end of the valve assembly 1, the sampling pipe 3 is detachably connected to the gas path connecting pipe 2 and located at one end of the gas path connecting pipe 2 away from the valve assembly 1, the bellows connecting pipe 4 is detachably connected to the sampling pipe 3 and located at one end of the sampling pipe 3 away from the gas path connecting pipe 2, an inhalation sampling port 31, an exhalation sampling port 32 and a throttle member 33 are provided in the sampling pipe 3, the throttle member 33 is located inside the sampling pipe 3 and located between the inhalation sampling port 31 and the exhalation sampling port 32, the inhalation sampling port 31 and the exhalation sampling port 32 are connected to the sensor 5, when a patient inhales, gas flows from the gas path connecting pipe 2 to the bellows connecting pipe 4, when the patient exhales, gas flows from the bellows connecting pipe 4 to the gas path connecting pipe 2, when the sampling tube 3 is used for breathing in and exhaling, the sampling tube is filled with fluid, when the fluid flows through the throttling element 33 in the pipeline, the flow velocity forms local contraction at the throttling element 33, so that the flow velocity is increased, the static pressure is reduced, pressure difference is generated before and after the throttling element 33, the flow of the fluid is larger, the generated pressure difference is larger, the flow can be measured according to the pressure difference, the fluid is transmitted to the sensor 5 from the inspiration acquisition port and the expiration acquisition port through the catheter, the sensor 5 outputs analog signals or digital signals by performing analog-to-digital conversion and chip operation on the change of the pressure difference before and after the pressure, and therefore sampling is completed, the number of air pipes is reduced, the structure is simple, and the operation is more convenient.

Further, the bellows is taken over 4 and is kept away from the one end of sampling pipe 3 is provided with bellows and breathes mouth 41, the pipe diameter of bellows breathing mouth 41 is greater than the pipe diameter of bellows take over 4.

In this embodiment, the pipe diameter of the bellows breathing port 41 is greater than that of the bellows adapter tube 4, so that when a patient exhales, gas flows from the bellows breathing port to the gas path adapter tube 2, the flow rate is accelerated, and the larger the pressure difference generated by the throttling element 33 is, the larger the flow can be measured conveniently.

Further, sealing rings 6 are arranged at the joint of the valve component 1 and the gas path connecting pipe 2, the joint of the sampling pipe 3 and the gas path connecting pipe 2, and the joint of the bellows connecting pipe 4 and the sampling pipe 3.

In the present embodiment, the valve assembly 1, the gas path connection pipe 2, the sampling pipe 3 and the bellows connection pipe 4 are connected more tightly by the sealing ring 6. Is not easy to fall off.

Further, the throttling element 33 is fixedly connected with the inner wall of the sampling pipe 3, and a notch is arranged in the middle of the throttling element.

In this embodiment, the throttling element 33 is fixedly connected with the inner wall of the sampling tube 3, and is integrally formed during manufacturing, so that the structure is firmer, the aperture of the notch is smaller, the pressure difference generated when the fluid flows through the throttling element 33 is larger, and the acquired data is more accurate.

Further, the air path connecting pipe 2 further comprises a nozzle 7, a spray head of the nozzle 7 is located in an inner cavity 21 of the air path connecting pipe 2, and one end, far away from the inner cavity 21, of the nozzle 7 is connected with the air bag.

In the present embodiment, after a certain period of use, the air bag is pressed hard, and the condensed fluid in the internal structure is blown out by the high-pressure gas ejected from the nozzle 7, thereby preventing the internal structure from being blocked.

Further, the sampling tube 3 is further provided with two connecting ports 8, and the two connecting ports 8 are located on the outer wall of the sampling tube 3 and respectively correspond to the inspiration sampling port 31 and the expiration sampling port 32.

In this embodiment, the hose between the sensor 5 and the sampling tube 3 is inserted through the connection port 8, so that the use is more convenient.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (6)

1. A built-in sampling tube structure of an anesthesia machine, which is characterized in that,

including valve subassembly, gas circuit takeover, sampling pipe, bellows takeover and sensor, the gas circuit takeover with the connection can be dismantled to the valve subassembly, the gas circuit takeover is located the one end of valve subassembly, the sampling pipe with the connection can be dismantled to the gas circuit takeover, and be located the gas circuit is taken over and is kept away from the one end of valve subassembly, bellows takeover with the connection can be dismantled to the sampling pipe, and is located the sampling pipe is kept away from the one end that the gas circuit was taken over, be provided with the inner chamber in the gas circuit takeover, be provided with in the sampling pipe and breathe in the sample connection, exhale sample connection and throttle piece, throttle piece is located the inside of sampling pipe, and be located breathe in the sample connection with between the exhale sample connection, breathe in the sample connection with exhale the sample connection all with sensor pipe connects.

2. The sampling tube structure built-in anesthesia machine of claim 1,

the bellows is taken over and is kept away from the one end of sampling pipe is provided with bellows respiratory orifice, the pipe diameter of bellows respiratory orifice is greater than the pipe diameter that the bellows was taken over.

3. The sampling tube structure built-in anesthesia machine of claim 1,

the joint of the valve assembly and the gas path connecting pipe, the joint of the sampling pipe and the gas path connecting pipe, and the joint of the air box connecting pipe and the sampling pipe are all provided with sealing rings.

4. The sampling tube structure built-in anesthesia machine of claim 1,

the throttling piece is fixedly connected with the inner wall of the sampling pipe, and a notch is formed in the middle of the throttling piece.

5. The sampling tube structure built-in anesthesia machine of claim 1,

the gas circuit connecting pipe further comprises a nozzle, a spray head of the nozzle is located in an inner cavity of the gas circuit connecting pipe, and one end, far away from the inner cavity, of the nozzle is connected with the air bag.

6. The sampling tube structure built-in anesthesia machine of claim 1,

the sampling pipe is also provided with two connectors which are positioned on the outer wall of the sampling pipe and respectively correspond to the air suction sampling port and the air expiration sampling port.

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