CN109395179B - Sputum aspirator for respiratory tract - Google Patents

Abstract

The invention provides a sputum aspirator for respiratory tract, the inner cavity of the shell is divided into a sputum aspirator cavity and a piston cavity; one side of the sputum suction cavity is communicated with a sputum suction pipe; a one-way valve is arranged in the sputum aspirator tube; the outer walls of the two sides of the shell are respectively fixedly connected with a fixed seat, and the fixed seat is rotatably connected with two supporting blocks through a rotating shaft; springs are fixedly connected to the bottoms of the two supporting blocks respectively; a plurality of ventilation holes are formed in the partition board, and a layer of waterproof breathable film is arranged on the side wall of the partition board; the piston is arranged in the piston cavity, the side wall of the piston is fixedly connected with a piston rod, one end of the piston rod penetrates through the side wall of the shell and extends out of the piston cavity, and one end of the piston rod is fixedly connected with a push-pull block. The sputum suction device has the advantages that the mouth of a patient can be opened through the supporting block under the elastic action of the spring, so that the sputum suction device is convenient for medical staff to suck sputum, sputum deposited in the respiratory tract of the patient can be absorbed by the sputum suction tube, and the sputum is sucked into the sputum suction tube by utilizing negative pressure generated by the movement of the piston.

Description

A kind of sputum suction device for respiratory tract

Technical field

The invention relates to the technical field of medical internal medicine, specifically a sputum suction device for the respiratory tract.

Background technique

Patients with respiratory diseases often have a large amount of phlegm accumulated in the respiratory tract. If it cannot be removed in time, it will affect the patient's normal breathing. In severe cases, it may cause suffocation and endanger life. Most of the existing phlegm removal methods require medical staff to insert a tube into the patient's respiratory tract, and then suck out the sputum through the tube. This method is time-consuming and laborious. When the patient is unconscious and unable to open his or her own mouth, the medical staff also needs to remove the patient's mouth. Therefore, additional human resources are required to expand, and the hands of medical staff tend to shake when suctioning sputum, making it difficult to control the strength and angle of sputum suction, and easily injuring the patient's respiratory tract.

Contents of the invention

The invention provides a sputum suction device for the respiratory tract, which is simple to operate, saves time and effort, does not require additional medical staff, and has strong stability, so as to overcome the time-consuming and labor-intensive method of removing phlegm from the respiratory tract in the prior art, which requires a lot of labor. Moreover, it has poor stability and cannot control the strength and angle of sputum suction.

The invention provides a sputum suction device for the respiratory tract, which includes: a housing 1, a partition 4, a sputum suction tube 8, a one-way valve 9, a fixed seat 10, a support block 11, a spring 12, a piston 18, and a piston rod 19 and push-pull block 20; the inner cavity of the housing 1 is divided into a suction chamber 2 and a piston chamber 3 through the partition 4; the side of the suction chamber 2 away from the partition 4 leads to the suction tube 8; the suction tube 8 is located at the suction A one-way valve 9 is installed at one end of the sputum chamber 2; two fixed seats 10 are fixedly connected to the outer walls on both sides of the housing 1, and the two fixed seats 10 are rotatably connected to two support blocks 11 through a rotating shaft; the two support blocks The bottoms of 11 are respectively fixedly connected with springs 12, and the other ends of the springs 12 are fixedly connected to the outer wall of the housing 1; the opening direction of the two support blocks 11 is toward the suction end of the suction tube 8; the partition 4 is provided with several Breathable holes 16, and the side wall of the partition 4 is provided with a layer of waterproof and breathable membrane 17. The waterproof and breathable membrane 17 allows air to pass through, but will block the passage of liquid; a piston 18 is provided in the piston chamber 3, and the outer diameter of the piston 18 is equal to The inner diameter of the piston cavity 3, and the piston rod 19 is fixedly connected to the side wall of the piston 18. One end of the piston rod 19 penetrates the side wall of the housing 1 and extends to the outside of the piston cavity 3, and one end of the piston rod 19 is fixedly connected to a push-pull block. 20.

Furthermore, the present invention provides a sputum suction device for the respiratory tract, which may also have the following features: it also includes a limiting tube 6 and a fixed rod 7; both ends of the fixed rod 7 are respectively fixed in the sputum suction chamber 2 away from the partition 4 On the outside, the limiting tube 6 is fixed on the fixed rod 7, and the sputum suction tube 8 passes through the limiting tube 6 and enters the sputum suction chamber 2.

Furthermore, the present invention provides a sputum suction device for the respiratory tract, which may also have the following features: a U-shaped groove is provided on the outside of the side of the sputum suction chamber 2 away from the partition 4, and both ends of the fixing rod 7 are respectively fixed on on the inner wall of the U-shaped groove.

Furthermore, the present invention provides a sputum suction device for the respiratory tract, which may also have the following features: a sputum collection bottle 14 is fixedly connected to the bottom of the sputum suction chamber 2; a one-way exhaust valve is provided on the sputum suction chamber 2, which can be pushed or pulled. When the block 20 compresses the gas, the gas is discharged from the sputum suction chamber 2 .

Furthermore, the present invention provides a sputum suction device for the respiratory tract, which may also have the following features: a guide block 13 is provided at the bottom of the inner cavity of the sputum suction chamber 2, and the guide block 13 has an inclined structure; the guide block 13 is located at The connecting position of the sputum suction tube 8 has the highest height, and the position located at the sputum collecting bottle 14 has the lowest height.

Furthermore, the present invention provides a sputum suction device for the respiratory tract, which may also have the following features: it also includes a handle 15; the handle 15 is fixedly connected to the bottom outer wall of the sputum suction chamber 2, and the handle 15 is covered with a The anti-slip sleeve 26 is engraved with herringbone anti-slip patterns; the sliding sleeve 26 is provided with four grooves.

Furthermore, the present invention provides a sputum suction device for the respiratory tract, which may also have the following features: the push-pull block 20 has an L-shaped structure, and two clamping blocks 21 are fixedly connected to the bottom outer wall of the piston chamber 3, and the push-pull block 20 runs through both sides. Block block 21; the bottom of the push-pull block 20 is fixedly connected with a transmission block 22, which is located between the two blocking blocks 21, and the side wall of the transmission block 22 is fixedly connected with a handle 28. The handle 28 is arc-shaped. Through the handle 28 can move the transmission block 22 more conveniently. The end of the push-pull block 20 is fixedly connected with the limiting block 23. The limiting block 23 can prevent the push-pull block 20 from sliding out of the blocking block 21.

Furthermore, the present invention provides a sputum suction device for the respiratory tract, which may also have the following features: the sputum suction tube 8 is an elastic hose structure, and a plurality of sputum suction holes 24 are opened on the end wall of the sputum suction tube 8; The end tube wall is covered with a sputum suction sponge 25.

Furthermore, the present invention provides a sputum suction device for the respiratory tract, which may also have the following features: a plurality of sterile cotton balls 27 are provided on the two support blocks 11 .

Furthermore, the present invention provides a sputum suction device for the respiratory tract, which may also have the following features: the push-pull block 20 and the piston rod 19 are pulled outward. When the piston rod 19 is pulled outward, the piston 18 can be driven along the piston chamber 3. It moves outward and uses the negative pressure generated by the movement of the piston 18 to suck the sputum into the sputum suction tube 8. With the continuous reciprocating movement of the piston 18, the sputum can be sucked into the sputum suction chamber 2.

The invention provides a sputum suction device for the respiratory tract. The stability of the sputum suction device can be enhanced through the handle to prevent shaking during sputum suction. The elastic effect of the spring can be used to open the patient's mouth through the support block. This makes it convenient for medical staff to suction sputum. There are several sterile cotton balls on the support block. When in contact with the inner wall of the patient's mouth, they can disinfect and prevent bacterial infection. The sputum suction sponge at the end of the suction tube can absorb sputum accumulated in The sputum in the patient's respiratory tract is sucked into the sputum suction tube through the sputum suction hole by using the negative pressure generated by the piston movement, and introduced into the sputum collection bottle through the diversion block, thereby clearing and recycling the sputum.

Description of the drawings

Figure 1 is a half-section view of a sputum suction device for the respiratory tract.

FIG. 2 is an enlarged view of part A in FIG. 1 .

Reference signs:

Housing 1 Suction chamber 2 Piston chamber 3 Partition plate 4 Fixing plate 5

Limit tube 6 Fixed rod 7 Sputum suction tube 8 One-way valve 9 Fixed seat 10

Support block 11 spring 12 guide block 13 phlegm collection bottle 14 handle 15

Breathing holes 16 Waterproof and breathable membrane 17 Piston 18 Piston rod 19 Push-pull block 20

Clamp block 21 Transmission block 22 Limit block 23 Suction hole 24 Suction sponge 25

Anti-slip cover 26 Cotton ball 27 Handle 28

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1 and 2, the sputum suction device for the respiratory tract in this embodiment includes a housing 1, a partition 4, a limiting tube 6, a fixed rod 7, a sputum suction tube 8, a one-way valve 9, Fixed seat 10, support block 11, spring 12, guide block 13, sputum collection bottle 14, handle 15, piston 18, piston rod 19, push-pull block 20, clamp block 21, transmission block 22, limit block 23, anti-slip sleeve 26 and handle 28.

The inner cavity of the housing 1 is provided with a sputum suction chamber 2 and a piston chamber 3. The sputum suction chamber 2 and the piston chamber 3 are separated by a partition 4.

The side wall 5 of the side of the sputum suction chamber 2 away from the partition 4 leads into the sputum suction tube 8 . A U-shaped groove is provided on the outside of the side of the sputum suction chamber 2 away from the partition 4. Both ends of the fixed rod 7 are respectively fixed on the inner walls of the U-shaped groove. The limiting tube 6 is fixed on the fixed rod 7. The sputum suction tube 8 It passes through the limiting tube 6 and leads into the sputum suction chamber 2. The limiting tube 6 and the fixing rod 7 realize the fixation of one end of the sputum suction tube 8.

A sputum suction tube 8 is inserted into the limiting tube 6. One end of the sputum suction tube 8 penetrates the side wall 5 of the sputum suction chamber 2 and extends into the sputum suction chamber 2, and a single end of the sputum suction tube 8 located in the sputum suction chamber 2 is installed. The valve 9 can prevent sputum from flowing back. The sputum suction tube 8 has an elastic hose structure and can be bent and deformed as needed. Several sputum suction holes 24 are provided in the end wall of the tube. The end wall of the sputum suction tube 8 is covered with a sputum suction sponge 25 .

Two fixed seats 10 are fixedly connected to the outer walls of the housing 1 on both sides of the U-shaped groove. The two fixed seats 10 are rotatably connected to two support blocks 11 through a rotating shaft. Several sterilizing blocks 11 are provided on the two support blocks 11. The cotton ball 27 can disinfect and prevent bacterial infection when in contact with the inner wall of the patient's mouth. The bottoms of the two support blocks 11 are respectively fixedly connected with springs 12, and the other ends of the springs 12 are fixedly connected to the outer wall of the housing 1. The openings of the two support blocks 11 are directed toward the suction end of the suction tube 8 .

The bottom of the inner cavity of the sputum suction chamber 2 is provided with a flow guide block 13, and the flow guide block 13 has an inclined structure. A sputum collecting bottle 14 is fixedly connected to the bottom of the sputum suction chamber 2 . The diversion block 13 has the highest height at the connection position of the sputum suction tube 8 and the lowest height at the position of the sputum collection bottle 14 . A handle 15 is provided on one side of the sputum collection bottle 14. The handle 15 is fixedly connected to the bottom outer wall of the sputum suction chamber 2, and an anti-slip cover 26 is set on the handle 15. The anti-slip cover 26 is engraved with a herringbone anti-slip pattern. Increase the friction between the human hand and the handle 15 to prevent slipping, and the anti-slip cover 26 is provided with four grooves. When the human hand holds the handle 15, the four fingers can fit tightly in the four grooves. , thereby enhancing gripping power. A one-way exhaust valve is provided at the top of the sputum suction chamber 2. When the push-pull block 20 moves to the left to compress the gas, the gas will be discharged out of the sputum suction chamber 2; of course, when the push-pull block 20 moves to the right to suction sputum, the outside air will not pass through the single unit. Enter the sputum suction chamber 2 toward the exhaust valve.

A number of ventilation holes 16 are provided on the partition 4, and a layer of waterproof and breathable membrane 17 is provided on the side wall of the partition 4. The waterproof and breathable membrane 17 allows air to pass through, but blocks liquid from passing through. A piston 18 is provided in the piston chamber 3. The outer diameter of the piston 18 is equal to the inner diameter of the piston chamber 3, and a piston rod 19 is fixedly connected to the side wall of the piston 18. One end of the piston rod 19 penetrates the side wall of the housing 1 and extends to the piston. Outside the cavity 3, a push-pull block 20 is fixedly connected to one end of the piston rod 19.

The push-pull block 20 has an L-shaped structure, and two clamping blocks 21 are fixedly connected to the bottom outer wall of the piston chamber 3. The push-pull block 20 penetrates the two clamping blocks 21. A transmission block 22 is fixedly connected to the bottom of the push-pull block 20. The transmission block 22 is located between the two clamping blocks 21, and a handle 28 is fixedly connected to the side wall of the transmission block 22. The handle 28 is arc-shaped, and the handle 28 can be used more conveniently. The transmission block 22 is moved, and the end of the push-pull block 20 is fixedly connected to the limiting block 23. The limiting block 23 can prevent the push-pull block 20 from sliding out of the blocking block 21.

Working principle of sputum suction device for respiratory tract:

When using the sputum suction device for the respiratory tract, hold the sputum suction device by the handle 15 to stabilize the device to prevent shaking, then extend the sputum suction tube 8 into the patient's respiratory tract, and use the elastic effect of the spring 12 to pass through The support block 11 opens the patient's mouth, thereby making it convenient for the medical staff to suction sputum. Several sterile cotton balls 27 are provided on the support block 11. When in contact with the inner wall of the patient's oral cavity, they can disinfect and prevent bacterial infection. When suctioning sputum, hold the handle 28 to drive the transmission block 22 to pull outward, thereby driving the push-pull block 20 together with the piston rod 19 to pull outward through the transmission block 22. When the piston rod 19 is pulled outward, the piston 18 can be driven along the piston cavity 3 By moving outward, the outward movement of the piston 18 can make the air pressure in the sputum suction chamber 2 smaller. When the sputum suction tube 8 extends into the patient's respiratory tract, the sputum suction sponge 25 at its end can absorb the phlegm accumulated in the patient's respiratory tract. liquid, and use the negative pressure generated by the movement of the piston 18 to suck the sputum into the sputum suction tube 8 through the sputum suction hole 24. With the continuous reciprocating movement of the piston 18, the sputum can be sucked into the sputum suction chamber 2, and pass through The guide block 13 is introduced into the sputum collecting bottle 14 to remove and recover sputum.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principles and spirit of the invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (8)

1. A sputum suction device for the respiratory tract, characterized by: including a casing (1), a partition (4), a sputum suction tube (8), a one-way valve (9), a fixed seat (10), Support block (11), spring (12), piston (18), piston rod (19) and push-pull block (20); The inner cavity of the housing (1) is divided into a sputum suction chamber (2) and a piston chamber (3) through a partition (4); The side of the sputum suction chamber (2) away from the partition (4) leads to the sputum suction tube (8); The one end of the sputum suction tube (8) located in the sputum suction chamber (2) is equipped with a one-way valve (9); Two fixed seats (10) are fixedly connected to the outer walls of both sides of the housing (1). The two fixed seats (10) are rotatably connected to two support blocks (11) through the rotating shaft; the bottoms of the two support blocks (11) A spring (12) is fixedly connected respectively, and the other end of the spring (12) is fixedly connected to the outer wall of the housing (1); the opening direction of the two support blocks (11) faces the sputum suction end of the sputum suction tube (8); A number of ventilation holes (16) are provided on the partition (4), and a layer of waterproof and breathable membrane (17) is provided on the side wall of the partition (4). The waterproof and breathable membrane (17) can allow air to pass through, but will block liquid passes through; A piston (18) is provided in the piston chamber (3). The outer diameter of the piston (18) is equal to the inner diameter of the piston chamber (3), and a piston rod (19) is fixedly connected to the side wall of the piston (18). The piston rod (19) ) penetrates the side wall of the housing (1) and extends outside the piston chamber (3), and one end of the piston rod (19) is fixedly connected to a push-pull block (20); The push-pull block (20) has an L-shaped structure. The bottom outer wall of the piston chamber (3) is fixedly connected with two clamping blocks (21). The push-pull block (20) penetrates the two clamping blocks (21); the bottom of the push-pull block (20) A transmission block (22) is fixedly connected. The transmission block (22) is located between the two clamping blocks (21), and a handle (28) is fixedly connected to the side wall of the transmission block (22). The handle (28) is arc-shaped. The transmission block (22) can be moved more conveniently through the handle (28). The end of the push-pull block (20) is fixedly connected to the limit block (23). The limit block (23) can prevent the push-pull block (20) from sliding out of the block. (twenty one); Several sterile cotton balls (27) are provided on the two support blocks (11). 2. The sputum suction device for respiratory tract according to claim 1, characterized in that: It also includes a limiting tube (6) and a fixing rod (7); Both ends of the fixed rod (7) are respectively fixed on the outside of the sputum suction chamber (2) away from the partition (4). The limit tube (6) is fixed on the fixed rod (7), and the sputum suction tube (8) passes through the limit. The position tube (6) leads into the sputum suction chamber (2). 3. The sputum suction device for respiratory tract according to claim 2, characterized in that: A U-shaped groove is provided on the outside of the side of the sputum suction chamber (2) away from the partition (4), and both ends of the fixing rod (7) are respectively fixed on the inner walls of the U-shaped groove. 4. The sputum suction device for respiratory tract according to claim 1, characterized in that: A sputum collection bottle (14) is fixedly connected to the bottom of the sputum suction chamber (2); A one-way exhaust valve is provided on the sputum suction chamber (2). When the push-pull block (20) compresses the gas, the gas is discharged out of the sputum suction chamber (2). 5. The sputum suction device for respiratory tract according to claim 4, characterized in that: A guide block (13) is provided at the bottom of the inner cavity of the sputum suction chamber (2), and the guide block (13) has an inclined structure; the guide block (13) is located at the connection position of the sputum suction tube (8) and has the highest height. The height of the sputum bottle (14) is the lowest. 6. The sputum suction device for respiratory tract according to claim 1, characterized in that: It also includes a handle (15); the handle (15) is fixedly connected to the bottom outer wall of the sputum suction chamber (2), and the handle (15) is provided with an anti-slip cover (26), and a person is engraved on the anti-slip cover (26). Font-shaped anti-skid pattern; the anti-skid cover (26) is provided with four grooves. 7. The sputum suction device for respiratory tract according to claim 1, characterized in that: The sputum suction tube (8) is an elastic hose structure, and its end wall is provided with several sputum suction holes (24); the end wall of the sputum suction tube (8) is covered with a sputum suction sponge (25). 8. The sputum suction device for respiratory tract according to any one of claims 1 to 7, characterized in that: The push-pull block (20) together with the piston rod (19) pulls outward. When the piston rod (19) pulls outward, it can drive the piston (18) to move outward along the piston chamber (3), using the force generated by the movement of the piston (18) The negative pressure sucks the sputum into the sputum suction tube (8), and with the continuous reciprocating movement of the piston (18), the sputum can be sucked into the sputum suction chamber (2).