CN213347290U - Nasopharynx air duct capable of oxygen therapy - Google Patents

Abstract

The utility model discloses an oxygen-transfusable nasopharyngeal airway, which comprises a tube body, wherein a plurality of air cavities are arranged inside the tube body, a plurality of slide bars are hermetically and slidably connected inside the air cavities, the side walls of the slide bars are rotatably connected with a same flange through bearings, one side of the flange close to the pipe body is provided with a thread groove, one end of the pipe body is fixedly connected with a thread block, the bottom end of the air cavity is fixedly connected with a support arm through an adjusting device, the support arm is rotationally connected with the bottom wall of the tube body through an adjusting rod, the adjusting device comprises an air bag and a spring, an air inlet of the air bag is fixedly connected with the air cavity, and both sides are respectively and fixedly connected with the inner wall of the tube body and one side of the adjusting rod, both ends of the spring are respectively and fixedly connected with the inner wall of the tube body and one side of the adjusting rod, one side fixedly connected with bracer that the body axle center was kept away from to the support arm, the inside fixedly connected with oxygen therapy pipe of body. The utility model discloses conveniently put into the nasopharynx when not increasing patient's uncomfortable sense, and be difficult for breaking away from during the use.

Description

Nasopharynx air duct capable of oxygen therapy

Technical Field

The utility model belongs to the technical field of medical equipment, especially, relate to a nasopharyngeal airway can oxygen therapy.

Background

The nasopharyngeal airway is a simple and convenient extra-glottis airway device, which is used for relieving upper respiratory tract obstruction and keeping the airway smooth. At present, doctors and nurses in clinical departments such as anesthesia departments, respiratory medicine departments, ICUs, emergency departments and the like are often used as airway management auxiliary appliances and are necessary equipment for tracheal intubation. Oxygen is usually supplied by an oxygen tube after the nasopharynx passage is placed.

However, most of the nasopharyngeal airways are fixed in size when being inserted into the nasopharynx of a patient, and the nasopharynx of the patient cannot be easily inserted, so that the patient is seriously uncomfortable when being inserted, and meanwhile, the nasopharyngeal airways are possibly separated from the nasopharynx of the patient due to violent movement during transportation of the patient, so that the breathing difficulty of the patient is caused, and the life safety of the patient is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that the nasopharynx passageway is not easy to enter and is easy to separate, and provides an oxygen-delivery nasopharynx air duct.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an oxygen-delivery nasopharyngeal airway comprises a tube body, wherein a plurality of air cavities are formed in the tube body, a slide bar is hermetically and slidably connected in each air cavity, the side wall of one end, far away from the bottom of the air cavity, of each slide bar is rotatably connected with the same flange through a bearing, one side, close to the tube body, of each flange is provided with a thread groove, one end, close to the flange, of the tube body is fixedly connected with a thread block, the thread block is in threaded fit with the thread groove, the bottom end of the air cavity is fixedly connected with a support arm through an adjusting device, the support arm is connected with the adjusting device through an adjusting rod and is rotatably connected with the bottom wall of the tube body, the adjusting device comprises an air bag and a spring, an air inlet of the air bag is fixedly connected with the air cavities, two sides of the bottom end of the air bag are fixedly connected with the inner, the oxygen therapy device comprises a support arm, a supporting block, an oxygen therapy pipe and a connector, wherein the supporting block is fixedly connected to one side, away from the axis of the pipe body, of the support arm, the oxygen therapy pipe is fixedly connected inside the pipe body, and the connector is fixedly connected to one end, away from the pipe body, of the oxygen therapy pipe.

Preferably, a plurality of circular grooves corresponding to the support arms are radially formed in the bottom wall of the pipe body, connecting blocks are rotatably connected inside the circular grooves, and two ends of each connecting block are respectively connected with the support arms and the adjusting rods.

Preferably, the bottom of the air bag is a supporting part, two ends of the supporting part are respectively fixedly connected with the inner wall of the pipe body and one side of the adjusting rod and are arranged in an arc shape which is bent upwards, and the width of the supporting part of the air bag is smaller than that of the pipe wall of the pipe body.

Preferably, the support arms are petal-shaped with large upper parts and small lower parts, and contact with each other without gaps when the support arms are closed.

Preferably, one side of the sliding rod, which is far away from the flange, is fixedly connected with a piston, and the size of the piston is consistent with that of the cavity of the air cavity.

Preferably, the supporting block is strip-shaped and made of elastic materials.

Compared with the prior art, the beneficial effects of the utility model are that:

the nasopharynx air duct when closing the support arm is put into nasopharynx department, and the air duct import when the support arm is closed is less, can conveniently put into the nasopharynx air duct, then promotes the edge of a wing, with inside the gaseous push gasbag of air cavity inside, changes the position of adjusting the pole through the supporting part of gasbag, and the spring shrink, the support arm expandes, changes the shape of nasopharynx air duct import anterior segment, rotates the edge of a wing simultaneously, passes through threaded connection with thread block and thread groove, fixes the position of slide bar in the air cavity. After the nasopharynx air duct easily enters the nasopharynx, the oxygen therapy and ventilation effects are not influenced, the discomfort of a patient is not increased, and the unfolded support arm and the support block on the support arm can better fix the position of the nasopharynx air duct at the nasopharynx.

Drawings

FIG. 1 is a schematic view of the nasopharyngeal airway with oxygen therapy function according to the present invention;

FIG. 2 is a schematic cross-sectional view of an oxygen-delivery nasopharyngeal airway in accordance with the present invention;

FIG. 3 is an enlarged view of the structure at the position A when the support arm of the nasopharyngeal airway capable of oxygen therapy is closed according to the present invention;

fig. 4 is a schematic structural view of the nasopharynx airway capable of oxygen therapy at the position A when the support arm is opened.

In the figure: the oxygen therapy device comprises a tube body 1, a slide rod 2, flanges 3, an oxygen therapy tube 4, a support arm 5, a support block 6, an air chamber 7, an air bag 8, an adjusting rod 9, a spring 10, a circular groove 11, a connecting block 12, a thread block 13, a thread groove 14, a piston 15 and a connector 16.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only 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 therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, an oxygen-delivery nasopharyngeal airway comprises a tube body 1, and is characterized in that a plurality of air cavities 7 are formed in the tube body 1, slide bars 2 are hermetically and slidably connected to the interiors of the air cavities 7, the side walls of the ends, far away from the bottoms of the air cavities 7, of the slide bars 2 are rotatably connected with a flange 3 through bearings, one side, close to the tube body 1, of the flange 3 is provided with a thread groove 14, one end, close to the flange 3, of the tube body 1 is fixedly connected with a thread block 13, the thread block 13 is in threaded fit with the thread groove 14, the bottom end of the air cavity 7 is fixedly connected with a support arm 5 through an adjusting device, the support arm 5 is connected with the adjusting device through an adjusting rod 9 and is rotatably connected with the bottom wall of the tube body 1, the adjusting device comprises an air bag 8 and a spring 10, an air inlet, the both ends of spring 10 are fixed connection respectively and keep away from the one side of gasbag 8 at the body 1 inner wall of keeping away from gasbag 8 and regulation pole 9, and the support arm 5 keeps away from one side fixedly connected with bracer 6 in body 1 axle center, the inside fixedly connected with oxygen therapy pipe 4 of body 1, and the one end fixedly connected with interface 16 of body 1 is kept away from to oxygen therapy pipe 4.

In the embodiment applying the technical scheme, medical personnel put the nasopharyngeal airway into the nasopharynx of the patient, because the inlet of the airway when the support arm 5 is closed is smaller, the nasopharyngeal airway can be conveniently put in, then the flange 3 is pushed, the slide bar 2 is pushed into the air cavity 7, the air in the air cavity 7 enters the air bag 8, the shape of the air filled in the air bag 8 is changed, the position of the adjusting rod 9 is changed by the supporting part of the expanded air bag 8, the adjusting rod 9 is extruded, the spring 10 is contracted, the support arm 5 is unfolded, the shape of the front section of the inlet of the nasopharyngeal airway is changed, the flange 3 is pushed to be contacted with the tube body 1, the flange 3 is rotated at the same time, the thread block 13 is connected with the thread groove 14 by screw thread, thereby the fixed flange 3 makes the position of the slide bar 2 in the air cavity 7 not change, the utility model is convenient to put into the nasopharynx when not increasing the uncomfortable feeling of the patient, and is not easy to break away from when in use.

According to the preferred technical scheme in the embodiment, the bottom wall of the pipe body 1 is radially provided with a plurality of circular grooves 11 corresponding to the support arms 5, the inside of each circular groove 11 is rotatably connected with a connecting block 12, two ends of each connecting block 12 are respectively connected with the support arms 5 and the adjusting rods 9, the circular grooves 11 and the connecting blocks 12 can enable the support arms 5 to rotate more conveniently, and friction force is small;

the bottom of the air bag 8 is a supporting part, two ends of the supporting part are respectively fixedly connected with the inner wall of the pipe body 1 and one side of the adjusting rod 9 and are arranged into an arc shape which is bent upwards, the supporting part of the air bag 8 is unfolded to be smaller than the width of the pipe wall of the pipe body 1, and the position of the adjusting rod 9 can be effectively changed through the arc-shaped supporting part;

the support arms 5 are petal-shaped with large upper parts and small lower parts, and are contacted with each other without gaps when closed, and the support arms 5 with large upper parts and small lower parts enable the closed support arms 5 to form a front section of a trapezoidal nasopharyngeal airway, so that the airway can conveniently enter;

a piston 15 is fixedly connected to one side of the sliding rod 2, which is far away from the flange 3, the size of the piston 15 is consistent with that of the cavity of the air cavity 7, the piston 15 is connected with the sliding rod 2, and the air tightness of the joint of the air cavity 7 and the sliding rod 2 is enhanced;

the supporting block 6 is strip-shaped and made of elastic material, so that the supporting block 6 can be prevented from damaging the inner part of the nasopharynx of the patient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The nasopharynx air duct capable of oxygen therapy comprises a duct body (1) and is characterized in that a plurality of air cavities (7) are formed in the duct body (1), a plurality of slide rods (2) are connected in a sliding manner in a sealing manner inside the air cavities (7), one end side wall, far away from the bottom of the air cavities (7), of each slide rod (2) is rotatably connected with the same flange (3) through a bearing, one side, close to the duct body (1), of each flange (3) is provided with a thread groove (14), one end, close to the flange (3), of the duct body (1) is fixedly connected with a thread block (13), the thread block (13) is in threaded fit with the thread groove (14), the bottom end of the air cavity (7) is fixedly connected with a support arm (5) through an adjusting device, the support arm (5) is connected with the adjusting device through an adjusting rod (9) and is rotatably connected with the bottom wall of the duct body (1), gasbag (8) air inlet and air cavity (7) fixed connection, and gasbag (8) bottom both sides respectively with body (1) inner wall and regulation pole (9) one side fixed connection, spring (10) both ends respectively fixed connection keep away from body (1) inner wall of gasbag (8) and adjust pole (9) one side of keeping away from gasbag (8), one side fixedly connected with brace piece (6) in body (1) axle center is kept away from in support arm (5), body (1) inside fixedly connected with oxygen therapy pipe (4), the one end fixedly connected with interface (16) of body (1) are kept away from to oxygen therapy pipe (4).

2. The nasopharynx air duct capable of oxygen therapy according to claim 1, wherein a plurality of circular grooves (11) corresponding to the support arms (5) are radially formed on the bottom wall of the tube body (1), a connecting block (12) is rotatably connected inside the circular grooves (11), and two ends of the connecting block (12) are respectively connected with the support arms (5) and the adjusting rod (9).

3. The nasopharynx airway capable of oxygen therapy according to claim 1, wherein the bottom of the air bag (8) is a support portion, two ends of the support portion are fixedly connected with the inner wall of the tube body (1) and one side of the adjusting rod (9) respectively and are arranged in an upward-bending arc shape, and the support portion of the air bag (8) is unfolded to be smaller than the width of the tube wall of the tube body (1).

4. An oxygen-delivery nasopharyngeal airway as claimed in claim 1, wherein said arms (5) are petal-shaped with large top and small bottom, and are closed without gaps.

5. The nasopharyngeal airway capable of oxygen therapy according to claim 1, wherein a piston (15) is fixedly connected to the side of the slide bar (2) far away from the flange (3), and the size of the piston (15) is consistent with that of the cavity of the air cavity (7).

6. The nasopharyngeal airway as claimed in claim 1, wherein the support block (6) is elongated and made of a resilient material.

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