CN214410478U

CN214410478U - Breathing machine trachea cannula teaching mode

Info

Publication number: CN214410478U
Application number: CN202120807360.8U
Authority: CN
Inventors: 苏敏; 黎俊德
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-10-15
Anticipated expiration: 2031-04-20

Abstract

The utility model discloses a breathing machine trachea cannula teaching mode, including the simulation choke, be provided with a bar transparent window that extends along simulation choke length direction on the simulation choke, simulation choke other end fixedly connected with hose, the U type hydropneum of the transparent material preparation of other end fixedly connected with of this hose, U type hydropneum comprises the minor diameter circle tubulose part with hose lug connection and the major diameter circle tubulose part that communicates with the atmosphere, and minor diameter circle tubulose part bottom is linked together with major diameter circle tubulose part bottom, is carved with first scale on minor diameter circle tubulose part outer wall. The utility model discloses not only make things convenient for operating personnel to observe the intubate degree of depth, in incoming call and exhalation cycle, according to the surface of water lift condition, it is poor to read the scale moreover, as the tidal volume, contrast breathing machine value and monitoring value to can calculate inside leakage tidal volume.

Description

Breathing machine trachea cannula teaching mode

Technical Field

The utility model relates to a hospital, medical college teaching mode technical field, concretely relates to breathing machine trachea cannula teaching mode.

Background

The breathing machine is an artificial mechanical ventilation device, which is used for assisting or controlling the autonomous respiratory movement of a patient so as to achieve the function of gas exchange in the lung, reduce the consumption of a human body and be beneficial to the recovery of the respiratory function. In the invasive mode of the ventilator, endotracheal intubation may be involved. However, in the prior art, the depth of the cannula is not easy to be controlled by medical staff who lack clinical experience, and the presence or absence of internal leakage can only be roughly observed after the cannula is completed. Therefore, a teaching model with visible intubation depth and detectable internal air leakage is urgently needed to improve the intubation quality of operators.

Disclosure of Invention

The utility model aims at providing a breathing machine trachea cannula teaching model with reasonable structural design, which is not enough for the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: breathing machine trachea cannula teaching mode, including the simulation choke, its characterized in that, be provided with a bar transparent window that extends along simulation choke length direction on the simulation choke, fixedly connected with hose can be dismantled to the simulation choke other end, and the U type hydropneum of fixedly connected with transparent material preparation can be dismantled to the other end of this hose, U type hydropneum comprises the minor diameter pipe form part with hose lug connection and the major diameter pipe form part with the atmosphere intercommunication, and minor diameter pipe form part bottom and major diameter pipe form part bottom are linked together, is carved with first scale on minor diameter pipe form part outer wall.

Preferably, the simulated throat pipe is made of a silica gel material which is suitable for the hardness of human throat.

Preferably, a second scale is engraved on the strip-shaped transparent window and along its length.

Compared with the prior art, the utility model discloses the beneficial effect who possesses is:

1. the strip-shaped transparent window is arranged on the simulated throat pipe, so that an operator can conveniently observe the depth of the intubation pipe;

2. the U-shaped hydropneum that sets up is the application communicating vessel principle, and its major diameter end links to each other with the simulation choke with atmosphere intercommunication, minor diameter end, utilizes water pressure simulation human thorax pressure, and the initial level is parallel, in calling in and exhaling cycle, according to the surface of water lift condition, reads the scale difference, as the tidal volume, contrast breathing machine set value and monitoring value to can calculate inside tidal volume that leaks.

Drawings

Fig. 1 is a schematic structural view of the present invention;

the device comprises a simulated throat pipe 1, a strip-shaped transparent window 2, a hose 3, a U-shaped hydropneum 4, a small-diameter circular tubular part 4.1, a large-diameter circular tubular part 4.2, a first scale 5, a second scale 6 and a third scale.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that, in the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Also, the following description of the "detachably fixed connection" may be a screw connection in the conventional art. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

As shown in fig. 1, the breathing machine trachea cannula teaching model of the utility model comprises a simulation throat pipe 1, wherein the simulation throat pipe 1 is made of silica gel material with appropriate hardness and size with the human throat, and can be set into replaceable styles of children and adults according to requirements; a strip-shaped hole extending along the length direction of the simulation throat pipe 1 is formed in the simulation throat pipe 1, a strip-shaped transparent window 2 is fixedly glued in the hole, and second scales 6 are marked on the strip-shaped transparent window 2 along the length direction of the strip-shaped transparent window; the other end of the simulated throat pipe 1 is detachably and fixedly connected and communicated with a hose 3, the other end of the hose 3 is detachably and fixedly connected and communicated with a U-shaped water lung 4 made of transparent materials, more than half of the volume of the U-shaped water lung 4 is filled with water, the U-shaped water lung 4 is composed of a small-diameter circular tubular part 4.1 which is directly connected and communicated with the hose 3 and a large-diameter circular tubular part 4.2 communicated with the atmosphere (specifically, a hole communicated with the atmosphere is formed in the top of the large-diameter circular tubular part 4.2), the bottom of the small-diameter circular tubular part 4.1 is communicated with the bottom of the large-diameter circular tubular part 4.2, and first scales 5 are carved on the outer wall of the small-diameter circular tubular part 4.1. The utility model discloses in, the position that simulation choke 1 and hose 3 are connected, hose 3 and the position of being connected of minor diameter pipe form part 4.1 carry out the airtight of conventional mode.

The inner diameter of the small-diameter circular tubular part 4.1 of the utility model is larger than the inner diameter of the simulation choke 1 and the inner diameter of the hose 3; the small diameter circular tubular portion 4.1 has an inner diameter smaller than that of the large diameter circular tubular portion 4.2. The utility model discloses the position that well minor diameter circle tubulose part 4.1 top and be connected the intercommunication with hose 3 designs into the horn mouth, and wherein the narrow end of horn mouth and hose 3 directly can dismantle fixed connection and intercommunication, and the wide end and the minor diameter circle tubulose part 4.1 integrated into one piece of horn mouth.

During the use, trachea cannula is carried out according to conventional mode to the supine position, and the intubate degree of depth is observed and recorded to the second scale on the transparent window 2 of trachea cannula's in-process accessible bar. After the tracheal intubation is finished, connecting a breathing machine, initially, enabling the liquid level of the small-diameter circular tubular part 4.1 of the U-shaped hydropneum 4 to be flush with the liquid level of the large-diameter circular tubular part 4.1, simulating inspiration, enabling mixed gas of the breathing machine to enter the small-diameter circular tubular part 4.1 through the simulation throat pipe 1, pressing water in the small-diameter circular tubular part 4.1 into the large-diameter circular tubular part 4.2, reading the number displayed on a first scale (the unit is mL) on the small-diameter circular tubular part 4.1, and marking as A; and simulating expiration again, opening an expiratory valve of the respirator, discharging expired gas from the throat pipe through the expiratory valve, returning the water in the large-diameter circular tubular part 4.2 to the small-diameter circular tubular part 4.1, reading the number on the first scale at the moment, marking the number as B, and enabling the tidal volume V = B-A. The ventilator set and monitored values (noted C) are then compared, and an internal leak tidal volume = C-V is obtained.

Claims

1. The utility model provides a breathing machine trachea cannula teaching mode, includes the simulation choke, its characterized in that, be provided with a bar transparent window that extends along simulation choke length direction on the simulation choke, fixedly connected with hose can be dismantled to the simulation choke other end, and the U type hydropneum of fixedly connected with transparent material preparation can be dismantled to the other end of this hose, U type hydropneum comprises the minor diameter pipe form part with hose lug connection and the major diameter pipe form part with the atmosphere intercommunication, and minor diameter pipe form part bottom is linked together with major diameter pipe form part bottom, is carved with first scale on minor diameter pipe form part outer wall.

2. The teaching model of claim 1, wherein the simulated throat is made of silica gel material suitable for human throat hardness.

3. The teaching model of endotracheal intubation according to claim 1 or 2, wherein a second scale is engraved on the strip-shaped transparent window and along the length thereof.