Respiratory tract sputum suction device convenient to use

Abstract

The utility model discloses a respiratory tract sputum suction device convenient to use, and belongs to the field of respiratory tract medical instruments. A respiratory tract sputum suction device convenient to use comprises a sputum suction tube, a sputum storage barrel and an air suction mechanism, the upper portions of the two sides of the sputum storage barrel are each provided with a connecting port, the two connecting ports are connected with the sputum suction tube or the air suction mechanism, the air suction mechanism comprises a needle cylinder, and the end, close to the sputum storage barrel, of the needle cylinder is a connecting end; during air suction, the pull rod is pulled to drive the piston to move towards the right side along the inner wall of the needle cylinder, generated suction force is transmitted to the sputum suction pipe, sputum is sucked out through the sputum suction pipe, the pull rod is pushed to drive the piston to move towards the left side during air exhaust, at the moment, the second one-way valve set is closed, and air flows upwards through the air exhaust pipe; the one-way valve group I and the silica gel plate are ejected open to discharge gas, and then sputum suction is continued, so that the disassembly steps are reduced, and the efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a respiratory tract medical instrument technical field especially, it relates to a respiratory tract sputum suction device convenient to use. BACKGROUND

[0002] The respiratory tract is the channel that airflow passes. The respiratory tract is divided into two parts: the nose, pharynx, and larynx are collectively referred to as the upper respiratory tract. The most common method for respiratory tract patients in hospitals is to expel sputum, so a respiratory tract sputum expelling device for respiratory tract patients is needed.

[0003] There are two types of traditional sputum suction devices. One type uses a vacuum pump to extract sputum, which is relatively expensive. The other type uses a syringe to connect a sputum storage barrel. The input end of the sputum storage barrel is connected to a sputum suction tube. By pulling the piston of the syringe, suction force is generated and transmitted to the sputum suction tube, which then sucks out the sputum. This type is relatively inexpensive.

[0004] However, the problem is that after each use, the syringe needs to be separated from the gas output end of the sputum storage barrel, the gas in the syringe needs to be discharged, and then the syringe needs to be connected to the gas output end of the sputum storage barrel for continued use, which affects the efficiency of use. INVENTION CONTENTS

[0005] The utility model aims at solving the problems in the prior art and provides a respiratory tract sputum suction device convenient to use.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A respiratory tract sputum suction device convenient to use includes a sputum suction tube, a sputum storage barrel, and an inhalation mechanism. Two connection ports are formed on the upper sides of the sputum storage barrel. The two connection ports are connected to one of the sputum suction tube and the inhalation mechanism. The inhalation mechanism includes a syringe. The end of the syringe near the sputum storage barrel is a connection end.

[0008] A gas discharge pipe is installed on the left side of the top end of the outer wall of the syringe. A one-way valve group one is installed on the top end of the gas discharge pipe. A one-way valve group two is installed on the inner wall of the connection end.

[0009] Preferably, the one-way valve group one and the one-way valve group two each include a mounting seat frame. The mounting seat frame of the one-way valve group one is fixedly installed on the top end of the gas discharge pipe. The mounting seat frame of the one-way valve group two is fixedly installed on the inner wall of the connection end.

[0010] Preferably, the mounting seat frame of the one-way valve group two and the top end of the mounting seat frame of the one-way valve group one are each provided with a silica gel plate. A connecting sleeve is installed on the outer side of one end of the silica gel plate.

[0011] Preferably, a rotating shaft is rotatably connected to the inner wall of the connecting sleeve. The two ends of the rotating shaft are fixedly connected to the mounting seat frame.

[0012] Preferably, the rubber ring is fixedly connected to the outer side of one end of the mounting frame.

[0013] Preferably, the two sides of the silica gel plate are fixedly connected with pull ropes, and the ends of the pull ropes away from the silica gel plate are fixedly connected with the side walls of the mounting frame.

[0014] Preferably, the inner wall of the needle cylinder is slidably connected with a piston, the right side of the piston is fixedly connected with a pull rod, the inner wall of the needle cylinder is fixedly installed with an annular limiting plate, and the annular limiting plate is located on the side of the exhaust pipe away from the connecting end.

[0015] Compared with the prior art, the utility model provides a respiratory tract sputum suction device convenient to use, has the following beneficial effects:

[0016] The respiratory tract sputum suction device convenient to use, when inhaling, the pull rod is pulled to drive the piston to move to the right side along the inner wall of the needle cylinder, generates suction force and is transmitted to the sputum suction tube, sputum is sucked out through the sputum suction tube, when exhaling, the pull rod is pushed to drive the piston to move to the left side, at this time, the second one-way valve group is closed, gas is upwardly discharged through the exhaust pipe, the first one-way valve group is opened by the silica gel plate to discharge the gas, then sputum suction is continuously carried out, the dismounting step is reduced, and the efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view of the respiratory tract sputum suction device convenient to use provided by the utility model;

[0018] Figure 2 It is an exploded view of the respiratory tract sputum suction device convenient to use provided by the utility model; Figure 1

[0019] Figure 3 It is a front view of the needle cylinder of the respiratory tract sputum suction device convenient to use provided by the utility model;

[0020] Figure 4 It is a sectional view of the respiratory tract sputum suction device convenient to use provided by the utility model; Figure 3

[0021] Figure 5 It is a front view of the mounting frame of the respiratory tract sputum suction device convenient to use provided by the utility model;

[0022] Figure 6 It is an exploded view of the respiratory tract sputum suction device convenient to use provided by the utility model; Figure 5

[0023] Figure 7 It is a front view of the respiratory tract sputum suction device convenient to use provided by the utility model;​​​Figure 6 Figure 1 is a bottom view of the device.

[0024] In the figure: 1, sputum suction tube; 2, sputum storage barrel; 3, air suction mechanism; 4, handle; 5, needle cylinder; 6, piston; 7, pull rod; 8, annular limiting plate; 9, exhaust pipe; 10, connecting end; 11, one-way valve group one; 12, one-way valve group two; 13, mounting seat frame; 14, rotating shaft; 15, connecting sleeve; 16, silica gel plate; 17, rubber ring; 18, pull rope. DETAILED DESCRIPTION

[0025] 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. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0026] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0027] Referring to Figures 1-7 A respiratory tract sputum suction device convenient to use, comprising a sputum suction tube 1, a sputum storage barrel 2 and an air suction mechanism 3, a connecting port is formed on the upper side of each of the two sides of the sputum storage barrel 2, and each of the two connecting ports is connected with one of the sputum suction tube 1 and the air suction mechanism 3, the air suction mechanism 3 comprises a needle cylinder 5, one end of the needle cylinder 5 close to the sputum storage barrel 2 is a connecting end 10, a exhaust pipe 9 is installed on the top left side of the outer wall of the needle cylinder 5, and a one-way valve group one 11 is installed on the top of the exhaust pipe 9; a one-way valve group two 12 is installed on the inner wall of the connecting end 10.

[0028] A piston 6 is slidably connected to the inner wall of the needle cylinder 5, the right side of the piston 6 is fixedly connected with a pull rod 7, an annular limiting plate 8 is fixedly installed on the inner wall of the needle cylinder 5, the annular limiting plate 8 is located on the side of the exhaust pipe 9 away from the connecting end 10, and a handle 4 convenient for hand holding is installed on the outer wall of the needle cylinder 5.

[0029] In use: the pull rod 7 drives the piston 6 to move right along the inner wall of the needle cylinder 5, the suction force generated is transmitted to the sputum suction tube 1 through the sputum storage barrel 2 after passing through the one-way valve group two 12, and the sputum is sucked out through the sputum suction tube 1, when the pull rod 7 drives the piston 6 to move to the maximum value, the pull rod 7 drives the piston 6 to move left, at this time the one-way valve group two 12 is closed, and the gas is discharged through the one-way valve group one 11 on the exhaust pipe 9; then the sputum suction is continued.

[0030] It should be noted that: both one-way valve assembly 11 and one-way valve assembly 12 include a set of mounting frames 13. A rotating shaft 14 is fixedly installed on one end of the outer wall of the mounting frame 13, and a silicone plate 16 is provided on the same side. A connecting sleeve 15 is fixedly installed on one end of the silicone plate 16, and the inner wall of the connecting sleeve 15 is rotatably connected to the outer wall of the rotating shaft 14. A pull rope 18 is fixedly installed between one side of the silicone plate 16 and the side wall of the mounting frame 13. The length of the pull rope 18 is only enough to support the silicone plate 16 to drive the connecting sleeve 15 to rotate, and the angle between the pull rope 18 and the mounting frame 13 is less than 60 degrees.

[0031] One-way valve assembly 11 is installed at the top of exhaust pipe 9, and silicone plate 16 is located above mounting frame 13;

[0032] One-way valve assembly 2 12 is installed on the inner wall of the connecting end 10, and the silicone plate 16 of one-way valve assembly 2 12 is located on the side of the mounting frame 13 near the exhaust pipe 9.

[0033] A rubber ring 17 is fixedly connected to the outer side of the silicone plate 16 near the mounting frame 13.

[0034] When inhaling, such as Figure 4 As shown, the gas passes through the cavity in the middle of the connecting end 10 of the one-way valve assembly 2 12, pushes open the silicone plate 16, and transmits the gas to the syringe 5. After the syringe 5 is filled with gas, it pushes the pull rod 7, which drives the piston 6 to move to the left. At this time, the gas blows the silicone plate 16 of the one-way valve assembly 2 12 to close. The gas passes through the exhaust pipe 9 upward, pushes open the silicone plate 16 of the one-way valve assembly 11, and discharges the gas.

[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A sputum suction device for respiratory tract, comprising a sputum suction tube (1), a sputum storage barrel (2) and a suction mechanism (3), a connecting port is formed on the upper side of each of the two sides of the sputum storage barrel (2), and each of the two connecting ports is connected with one of the sputum suction tube (1) and the suction mechanism (3), characterized in that, The air suction mechanism (3) comprises a needle cylinder (5), and the needle cylinder (5) is provided with a connecting end (10) at one end close to the sputum storage barrel (2); An exhaust pipe (9) is mounted on the left top of the outer wall of the needle cylinder (5), a one-way valve group I (11) is mounted on the top of the exhaust pipe (9), and a one-way valve group II (12) is mounted on the inner wall of the connecting end (10).

2. A respiratory sputum suction device for easy use according to claim 1, characterized in that, The one-way valve group I (11) and the one-way valve group II (12) each comprise a mounting seat frame (13), the mounting seat frame (13) of the one-way valve group I (11) is fixedly installed on the top of the exhaust pipe (9), and the mounting seat frame (13) of the one-way valve group II (12) is fixedly installed on the inner wall of the connecting end (10).

3. A respiratory sputum suction device for ease of use according to claim 2, wherein, The mounting seat frame (13) of the one-way valve group II (12) is provided with a silica gel plate (16) away from one side of the sputum storage barrel (2), and the mounting seat frame (13) of the one-way valve group I (11) is provided with the silica gel plate (16) at the top.

4. A respiratory sputum suction device for ease of use according to claim 3, wherein, A connecting sleeve (15) is mounted on one side of the silica gel plate (16).

5. A respiratory sputum suction device for ease of use as claimed in claim 4 wherein, A rotating shaft (14) is rotatably connected to the inner wall of the connecting sleeve (15), and both ends of the rotating shaft (14) are fixedly connected to the mounting seat frame (13).

6. A respiratory sputum suction device for ease of use according to claim 5, wherein, A rubber ring (17) is fixedly connected to one side of the silica gel plate (16) close to the mounting seat frame (13).

7. The respiratory sputum suction device for easy use according to claim 1, characterized in that, Pulling ropes (18) are fixedly connected to both sides of the silica gel plate (16), and one end of each pulling rope (18) away from the silica gel plate (16) is fixedly connected to the side wall of the mounting seat frame (13). A piston (6) is slidably connected to the inner wall of the needle cylinder (5), a pull rod (7) is fixedly connected to the right side of the piston (6), an annular limiting plate (8) is fixedly installed on the inner wall of the needle cylinder (5), and the annular limiting plate (8) is located on the side of the exhaust pipe (9) away from the connecting end (10).

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