CN209859425U - Teaching mould for measuring tracheal intubation air bag pressure - Google Patents

Abstract

The utility model discloses a teaching mould for measuring the pressure of an air sac of a trachea cannula, which comprises a primary needle cylinder, a water outlet is arranged at the middle position of the bottom of the primary needle cylinder, a water-blocking cushion is fixedly arranged at the joint of the water injection hole and the water injection pipe, a pressure reducing interface is arranged at the lower end of the side of the water injection pipe, a pressure reducing pipe is fixedly arranged outside the pressure reducing interface, the tail end of the pressure reducing pipe is fixedly provided with a pressure reducing connecting block, the lower end of the pressure reducing connecting block is movably provided with a secondary needle cylinder, a pressure reducing port is arranged in the middle of the upper end of the secondary needle cylinder, the secondary needle cylinder is movably connected with the pressure reducing connecting block through the pressure reducing port, the side position of the lower end of the secondary needle cylinder is fixedly provided with a clamping hand stop block, the interior of the secondary needle cylinder is movably provided with a pressure reduction piston, and the bottom of the pressure reduction piston is fixedly provided with an extrusion rod. This measure teaching mode of trachea cannula gasbag pressure through setting up transparent stack shell, makes whole demonstration process more directly perceived clear.

Description

Teaching mould for measuring tracheal intubation air bag pressure

Technical Field

The utility model relates to a teaching mould technical field specifically is a measure teaching mould of trachea cannula gasbag pressure.

Background

Teaching models are auxiliary tools that facilitate a better understanding of a concept or phenomenon by a trainee, and because of the different fields of use required, there are many types of teaching models.

Pressure is a common mechanical phenomenon in people's daily life, and trachea cannula gasbag pressure is a subclass of pressure, and in the professional field, the principle of measuring trachea cannula gasbag pressure is comparatively difficult to understand, generally needs demonstrate with the help of teaching mould, and the patient of trachea cannula need inflate trachea cannula's gasbag after inserting trachea cannula, fills and seals the space between trachea cannula and the trachea with the gasbag that swells. Clinical experience thinks, the atmospheric pressure of gasbag is suitable pressure when 25-30cm water column, this pressure can not cause the blood circulation obstacle of mucosa, can not lead to the secretion on the gasbag to get into the lung yet, however, the existing teaching mould that is used for measuring trachea cannula gasbag pressure on the existing market has mostly had overall structure complicacy, constitute by the installation of multistage subassembly, show through many links and teach the demonstration to the recipient, simplify its principle, make the unable audio-visual dissociation its principle of recipient, application scope is narrower, and inside is invisible, the comparatively fuzzy shortcoming of whole demonstration process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a measure teaching mode utensil of trachea cannula gasbag pressure to it is complicated to propose overall structure in solving above-mentioned background art, comprises the installation of multistage subassembly, demonstrates the demonstration of imparting knowledge to students through the show of polycyclic festival, does not simplify its principle, makes the unable audio-visual dissociation of the person who imparts knowledge to students its principle, and application scope is narrower, and inside is not visual, the comparatively fuzzy problem of whole demonstration process.

In order to achieve the above object, the utility model provides a following technical scheme: a teaching mould for measuring trachea cannula air bag pressure comprises a primary needle cylinder, wherein a water outlet is formed in the middle of the bottom of the primary needle cylinder, a pressure control piston is movably mounted at the bottom of the interior of the primary needle cylinder, a wall-hanging baffle is obliquely mounted at the upper end of the primary needle cylinder, a water injection hole is formed in the middle of the upper end of the primary needle cylinder, a water injection pipe is fixedly mounted at the middle of the upper end of the primary needle cylinder, a water blocking pad is fixedly mounted at the joint of the water injection hole and the water injection pipe, a pressure reducing interface is formed in the lower end of the side of the water injection pipe, a pressure reducing pipe is fixedly mounted outside the pressure reducing interface, a pressure reducing connecting block is fixedly mounted at the tail end of the pressure reducing pipe, a secondary needle cylinder is movably mounted at the lower end of the pressure reducing connecting block, a, the side position of the lower end of the secondary needle cylinder is fixedly provided with a clamping hand stop block, the interior of the secondary needle cylinder is movably provided with a pressure reduction piston, and the bottom of the pressure reduction piston is fixedly provided with an extrusion rod.

Preferably, the first-stage needle cylinder and the second-stage needle cylinder are both of hollow cylinder structures, and the diameter of the first-stage needle cylinder is larger than that of the second-stage needle cylinder.

Preferably, the outer diameter of the pressure control piston is matched with the inner diameter of the first-stage needle cylinder, and a certain gap is reserved between the pressure control piston and the inner wall of the first-stage needle cylinder.

Preferably, the inner diameter of the water injection hole is the same as that of the water injection pipe, the inner diameter of the water injection hole is identical to that of the water injection pipe, the outer diameter of the water blocking cushion is identical to that of the water injection hole, and the water blocking cushion is made of sponge.

Preferably, the inner diameter of the pressure reducing interface is matched with the outer diameter of the pressure reducing pipe, and the pressure reducing pipe is of a transparent hollow hose structure.

Preferably, the outer diameter of the lower end of the pressure reducing connecting block is matched with the inner diameter of a pressure reducing port formed in the upper end of the second-stage needle cylinder, the outer diameter of the pressure reducing piston is matched with the inner diameter of the second-stage needle cylinder, and the pressure reducing piston and the extrusion rod are of an integrated structure.

Compared with the prior art, the beneficial effects of the utility model are that: this measure teaching mode of trachea cannula gasbag pressure compares with original teaching mode who is used for measuring trachea cannula gasbag pressure, through the optimization improvement to overall structure, adopts double-cylinder concatenation mounted structure, simplifies overall structure and principle, makes the principle that the trachea cannula gasbag pressure was measured in understanding that the preschool person can be quick more, has enlarged holistic application scope, and through setting up transparent stack shell, makes whole demonstration process more directly perceived clear.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the split structure of the present invention;

fig. 3 is a schematic view of the installation structure of the water stop pad of the present invention.

In the figure: 1. a first-stage needle cylinder; 2. a water outlet; 3. a pressure control piston; 4. a wall hanging baffle; 5. a water injection hole; 6. a water injection pipe; 7. a water blocking cushion; 8. a voltage reduction interface; 9. a pressure reducing pipe; 10. a decompression connecting block; 11. a secondary needle cylinder; 12. a decompression port; 13. a hand clamping stop block; 14. a pressure reducing piston; 15. the rod is squeezed.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a teaching mould for measuring trachea cannula air bag pressure comprises a first-level needle cylinder 1, a water outlet 2, a pressure control piston 3, a wall hanging baffle 4, a water injection hole 5, a water injection pipe 6, a water blocking pad 7, a pressure reducing interface 8, a pressure reducing pipe 9, a pressure reducing connecting block 10, a second-level needle cylinder 11, a pressure reducing port 12, a clamping stop 13, a pressure reducing piston 14 and an extrusion rod 15, wherein the water outlet 2 is arranged at the middle position of the bottom of the first-level needle cylinder 1, the pressure control piston 3 is movably arranged at the bottom position inside the first-level needle cylinder 1, the wall hanging baffle 4 is obliquely arranged at the upper end of the first-level needle cylinder 1, the water injection hole 5 is arranged at the middle position of the upper end of the first-level needle cylinder 1, the water injection pipe 6 is fixedly arranged at the joint of the water injection hole 5 and the water injection pipe 6, the pressure reducing interface 8 is arranged at the, the tail end of the pressure reducing pipe 9 is fixedly provided with a pressure reducing connecting block 10, the lower end of the pressure reducing connecting block 10 is movably provided with a secondary needle cylinder 11, the middle position of the upper end of the secondary needle cylinder 11 is provided with a pressure reducing port 12, the secondary needle cylinder 11 is movably connected with the pressure reducing connecting block 10 through the pressure reducing port 12, the side position of the lower end of the secondary needle cylinder 11 is fixedly provided with a clamping hand stop block 13, the interior of the secondary needle cylinder 11 is movably provided with a pressure reducing piston 14, and the bottom of the pressure reducing piston;

further, the first-stage needle cylinder 1 and the second-stage needle cylinder 11 are both of hollow cylinder structures, and the diameter size of the first-stage needle cylinder 1 is larger than that of the second-stage needle cylinder 11, so that a pressure balance state required for measuring the pressure of the trachea cannula air bag can be achieved when the die is used for teaching;

furthermore, the outer diameter of the pressure control piston 3 is matched with the inner diameter of the first-level needle cylinder 1, and a certain gap is reserved between the pressure control piston 3 and the inner wall of the first-level needle cylinder 1 in the first-level needle cylinder 1, so that the structural reasonability of the first-level needle cylinder 1 in pressure measurement can be ensured;

furthermore, the inner diameter of the water injection hole 5 is the same as that of the water injection pipe 6, the inner diameter of the water injection hole 5 and the water injection pipe 6 is matched with the outer diameter of the water blocking pad 7, and the water blocking pad 7 is made of sponge materials, so that water in the primary needle cylinder 1 is prevented from flowing back by suction force during the depressurization process;

furthermore, the inner diameter of the pressure reducing interface 8 is matched with the outer diameter of the pressure reducing pipe 9, and the pressure reducing pipe 9 is of a transparent hollow hose structure, so that the whole pressure reducing process can be visually observed, and the teaching process is easier to understand;

further, the outer diameter of the lower end of the pressure-reducing connecting block 10 is identical to the inner diameter of the pressure-reducing port 12 formed in the upper end of the second-stage syringe 11, the outer diameter of the pressure-reducing piston 14 is identical to the inner diameter of the second-stage syringe 11, and the pressure-reducing piston 14 and the extrusion rod 15 are of an integrated structure, so that the operation difficulty is reduced by a simple structure, and the whole application range of the teaching mold is effectively enlarged.

The working principle is as follows: firstly, the wall-hanging baffle 4 is utilized to vertically fix the first-level syringe 1 on the wall body so as to achieve better teaching effect, a proper amount of water is injected into the first-level needle cylinder 1 by penetrating the water injection pipe 6 through the water injection hole 5 from the water blocking pad 7, then the pressure reducing port 12 is butted with the pressure reducing connecting block 10, the second-level needle cylinder 11 is arranged at the bottom of the pressure reducing connecting block 10, the pressure reducing piston 14 is driven to move in the secondary needle cylinder 11 by pressing and lifting the extrusion rod 15 to generate air pressure which is transmitted to the primary needle cylinder 1 through the pressure reducing pipe 9, the air pressure balance in the primary needle cylinder 1 is properly adjusted to keep a proper amount of water in the primary needle cylinder 1 at a proper position, the squeezing rod 15 is pressed or lifted according to the pressure condition to be tested, and the finger block 13 can be used for a user to clamp the finger on the squeezing rod 15, so that the squeezing rod 15 is properly pressed.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims (6)

1. The utility model provides a measure teaching mode of trachea cannula gasbag pressure, includes one-level cylinder (1), its characterized in that: delivery port (2) have been seted up to the intermediate position of one-level cylinder (1) bottom, the inside bottom position movable mounting of one-level cylinder (1) has accuse pressure piston (3), wall built-up baffle (4) are installed in the upper end slope of one-level cylinder (1), water injection hole (5) have been seted up to the intermediate position of one-level cylinder (1) upper end, the intermediate position fixed mounting of one-level cylinder (1) upper end has water injection pipe (6), the junction fixed mounting of water injection hole (5) and water injection pipe (6) has water blocking pad (7), step-down interface (8) have been seted up to the lower extreme position of water injection pipe (6) avris, the outside fixed mounting of step-down interface (8) has step-down pipe (9), the terminal fixed mounting of step-down pipe (9) has step-down connecting block (10), the lower extreme movable mounting of step-down, pressure reduction mouth (12) have been seted up to the intermediate position of second grade cylinder (11) upper end, swing joint between second grade cylinder (11) through pressure reduction mouth (12) and pressure reduction connecting block (10), avris fixed position of second grade cylinder (11) lower extreme installs tong dog (13), the inside movable mounting of second grade cylinder (11) has pressure reduction piston (14), the bottom fixed mounting of pressure reduction piston (14) has extrusion pole (15).

2. The teaching aid for measuring the balloon pressure of an endotracheal tube according to claim 1, characterized in that: the first-stage needle cylinder (1) and the second-stage needle cylinder (11) are both hollow cylinder structures, and the diameter size of the first-stage needle cylinder (1) is larger than that of the second-stage needle cylinder (11).

3. The teaching aid for measuring the balloon pressure of an endotracheal tube according to claim 1, characterized in that: the outer diameter of the pressure control piston (3) is matched with the inner diameter of the first-stage needle cylinder (1), and a certain gap is reserved between the pressure control piston (3) and the inner wall of the first-stage needle cylinder (1) in the first-stage needle cylinder (1).

4. The teaching aid for measuring the balloon pressure of an endotracheal tube according to claim 1, characterized in that: the internal diameter size of water injection hole (5) is the same with the internal diameter size of water injection pipe (6), and the internal diameter size of water injection hole (5) and water injection pipe (6) is identical with the external diameter size who hinders water pad (7), hinders water pad (7) simultaneously and adopts the sponge material.

5. The teaching aid for measuring the balloon pressure of an endotracheal tube according to claim 1, characterized in that: the inner diameter of the pressure reducing connector (8) is matched with the outer diameter of the pressure reducing pipe (9), and the pressure reducing pipe (9) is of a transparent hollow hose structure.

6. The teaching aid for measuring the balloon pressure of an endotracheal tube according to claim 1, characterized in that: the outer diameter of the lower end of the pressure reduction connecting block (10) is matched with the inner diameter of a pressure reduction opening (12) formed in the upper end of the secondary needle cylinder (11), the outer diameter of the pressure reduction piston (14) is matched with the inner diameter of the secondary needle cylinder (11), and meanwhile, the pressure reduction piston (14) and the extrusion rod (15) are of an integrated structure.