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CN-122006068-A - Two-way closed sputum aspirator

CN122006068ACN 122006068 ACN122006068 ACN 122006068ACN-122006068-A

Abstract

The invention discloses a two-way closed type sputum suction tube, which relates to the technical field of sputum suction tubes and comprises a negative pressure connector, a pressure valve, a protective film, a sputum suction inner tube, a three-way valve, a breathing machine interface, an artificial airway interface, a cleaning tube and a medicine injection tube, wherein one end of the negative pressure connector is connected with negative pressure equipment, the negative pressure connector is connected with the pressure valve and the sputum suction inner tube, the protective film is sleeved at one end of the sputum suction inner tube, which is close to the pressure valve, the other end of the sputum suction inner tube is connected with the three-way valve, the three-way valve is provided with the breathing machine interface and the artificial airway interface, the three-way valve is connected with the cleaning tube and the medicine injection tube, and one end of the sputum suction inner tube, which is far away from the negative pressure connector, extends into the airway from the artificial airway interface; according to the invention, the inner tube cleaning assembly is arranged to clean the sputum suction inner tube, so that the sputum suction inner tube can maintain high-efficiency sputum suction, in addition, the flushing switch assembly is arranged to prevent liquid medicine from entering the flushing tube during injection, so that the residual of the liquid medicine in the three-way valve can be reduced, and the waste of the liquid medicine is reduced.

Inventors

  • ZHAO LIMING
  • GAO WEN
  • ZHAO JIANMING
  • MA YIWEN
  • TIAN WEIQIAN
  • ZHAO XINYUE

Assignees

  • 绍兴海科医疗用品有限公司

Dates

Publication Date
20260512
Application Date
20260413

Claims (9)

  1. 1. The utility model provides a two-way closed sputum aspirator, includes negative pressure connector (1), pressure valve (2), protection film (3), inhales phlegm inner tube (4), three-way valve (5), breathing machine interface (6), artifical air flue interface (7), wash pipe (8), injection pipe (9), its characterized in that, negative pressure equipment is connected to the one end of negative pressure connector (1), and connecting pressure valve (2) and inhaling phlegm inner tube (4) of negative pressure connector (1), the one end cover that is close to pressure valve (2) of inhaling phlegm inner tube (4) is equipped with protection film (3), and three-way valve (5) are connected to the other end of inhaling phlegm inner tube (4), and three-way valve (5) have breathing machine interface (6), artifical air flue interface (7), and three-way valve (5) are connected with wash pipe (8) and injection pipe (9), the one end that negative pressure connector (1) were kept away from to inhale phlegm inner tube (4) extends to in the air flue from artifical air flue interface (7); A flushing switch assembly is arranged on the three-way valve (5) and positioned between the cleaning pipe (8) and the medicine injection pipe (9); An inner tube cleaning assembly is arranged on the three-way valve (5) and close to one end of the artificial airway interface (7).
  2. 2. The two-way closed sputum aspirator according to claim 1, wherein detachable sealing protection covers are installed on the negative pressure connector (1), the cleaning tube (8) and the injection tube (9).
  3. 3. The bidirectional closed sputum aspirator according to claim 1, wherein the flush switch assembly comprises two closed tubes (10) symmetrically fixed on the three-way valve (5), the two closed tubes (10) are symmetrically fixed with the sputum aspirator inner tube (4) as a center, a channel is arranged at the joint of the two closed tubes (10), the sputum aspirator inner tube (4) passes through the channel and is in sealing connection with the channel, a plurality of overflow holes (19) are formed in one end, close to the sputum aspirator inner tube (4), of the two closed tubes (10), a plunger (23) is fixed at one end, close to the sputum aspirator inner tube (4), of the plunger (23), a plunger (20) is arranged at one end, far away from the plunger (23), of the plunger (20) in a sliding manner, penetrating through the outer side of the closed tube (10) and provided with a pressing plate (18), a first closed plate (21) and a second closed plate (22) are fixedly arranged at one end, close to the inner side of the closed tube (10), a plunger (20) is arranged between the first closed plate (21) and the second closed plate (22), and the plunger (22) is arranged at one side, close to the plunger (22).
  4. 4. A two-way closed sputum aspirator according to claim 3, characterized in that the circumferential surfaces of the first and second closing plates (21, 22) are each fixed with a rubber layer.
  5. 5. A two-way closed sputum aspirator according to claim 3 or 4, wherein the circumferential surface of the second closing plate (22) is fixed with a plurality of sealing balls (25), the sealing balls (25) corresponding to the overflow holes (19).
  6. 6. A two-way closed sputum aspirator according to claim 3, wherein, a sliding chamber is provided at one end of the compression bar (20) near the sputum aspirator inner tube (4), a spring (24) is installed in the sliding chamber, and one end of the insertion bar (23) slides into the sliding chamber and abuts against one end of the spring (24).
  7. 7. The bidirectional closed sputum aspirator according to claim 1, wherein the inner tube cleaning assembly comprises a magnetic swivel (11) rotatably sleeved on the outer circumferential surface of the three-way valve (5), a plurality of connecting rings (13) sleeved on the outer surface of the sputum aspirator inner tube (4), a plurality of flexible cleaning strips (12) are fixed between the connecting rings (13), a plurality of friction contact points are arranged between the inner surface of the flexible cleaning strips (12) and the outer surface of the sputum aspirator inner tube (4), one end of the flexible cleaning strips (12) extends to the inner side of the three-way valve (5), a plurality of transmission rods (14) are fixed, one end of each transmission rod (14) far away from the flexible cleaning strips (12) is fixedly provided with a magnetic sliding block (15), and the magnetic sliding blocks (15) are different from the magnetism of the magnetic swivel (11).
  8. 8. The bidirectional closed sputum aspirator according to claim 7, wherein the inner circumferential surface of the three-way valve (5) is fixed with two inner slide rings (16), the magnetic slide blocks (15) are all slidingly arranged in an annular slide rail formed by the two inner slide rings (16), the outer circumferential surface of the three-way valve (5) is fixed with two outer slide rings (17), and the magnetic swivel (11) is slidingly arranged in the annular slide rail formed by the two outer slide rings (17).
  9. 9. A two-way closed type sputum aspirator according to claim 7 or 8, wherein the outer circumferential surface of the magnetic swivel (11) is fixedly sleeved with a slip-resistant rubber sleeve, and a plurality of slip-resistant protrusions are fixed to the outer circumferential surface of the slip-resistant rubber sleeve.

Description

Two-way closed sputum aspirator Technical Field The invention relates to the technical field of sputum aspirator tubes, in particular to a two-way closed sputum aspirator tube. Background The two-way closed sputum aspirator is one kind of medical equipment for eliminating patient's respiratory tract secretion and features that it can aspirate sputum without interrupting mechanical ventilation and has two-way function, so that secretion may be aspirated and flushing or medicine administration may be performed. Through retrieving, chinese patent application number 2021218695833 discloses a two-way closed phlegm pipe of inhaling convenient to use, including negative pressure connector and pressure valve, negative pressure connector internal fixation is provided with inhales the phlegm inner tube, the surface cover of inhaling the phlegm inner tube is equipped with the protection film, the one end lateral wall that negative pressure connector was kept away from to the phlegm inner tube is fixed to have cup jointed the three-way joint artificial airway, three-way joint artificial airway external surface fixed is provided with the washing mouth of connection washing, three-way joint artificial airway external surface is kept away from the fixed medicine injection mouth that is provided with of one end that washs the mouth, three-way joint artificial airway external surface is fixed to be provided with three-way joint breathing circuit in opposite directions to one side of wasing the mouth. The prior art has the defects that the surface of the sputum suction inner tube is easy to be blocked by sputum, so that the sputum suction effect is reduced, and the medicine liquid is easy to remain in the tee joint and enter the flushing port when the medicine is injected through the medicine injection port, so that the invention provides the bidirectional closed sputum suction tube. Disclosure of Invention The invention aims to solve the defects in the prior art and provides a two-way closed sputum aspirator tube. In order to achieve the above purpose, the present invention adopts the following technical scheme: The utility model provides a two-way closed sputum aspirator tube, includes negative pressure connector, pressure valve, protection film, inhales phlegm inner tube, three-way valve, breathing machine interface, artifical air flue interface, wash pipe, notes medicine pipe, negative pressure equipment is connected to the one end of negative pressure connector, and the connection pressure valve of negative pressure connector and inhale the phlegm inner tube, the one end cover that inhales the phlegm inner tube and is close to the pressure valve is equipped with the protection film, and the other end of inhaling the phlegm inner tube is connected three-way valve, and the three-way valve has breathing machine interface, artifical air flue interface, and three-way valve is connected with wash pipe and notes medicine pipe, the one end that inhales the phlegm inner tube and keep away from the negative pressure connector extends to in the air flue from artifical air flue interface; a flushing switch assembly is arranged on the three-way valve and positioned between the cleaning pipe and the medicine injection pipe; And an inner tube cleaning assembly is arranged on the three-way valve and close to one end of the artificial airway interface. Further, the negative pressure connector, the cleaning pipe and the medicine injection pipe are all provided with a detachable sealing protection cover. Further, the flushing switch assembly comprises two closed pipes symmetrically fixed on the three-way valve, the two closed pipes are symmetrically fixed into a whole by taking the sputum suction inner pipe as a center, a channel is arranged at the joint of the two closed pipes, the sputum suction inner pipe penetrates through the channel and is in sealing connection with the channel, a plurality of overflow holes are formed in one ends of the two closed pipes, which are close to the sputum suction inner pipe, of the two closed pipes, an inserting rod is fixed at one end, which is close to the sputum suction inner pipe, of the two closed pipes, a pressing rod is arranged at one end, which is far away from the sputum suction inner pipe, of the pressing rod, one end, which is far away from the inserting rod, of the pressing rod is slidably penetrated to the outer side of the closed pipe and is provided with a pressing plate, one end, which is located at the inner side of the closed pipe, of the pressing rod is fixedly provided with a first closed plate and a second closed plate, a gap is reserved between the first closed plate and the second closed plate, and one side, which is close to the sputum suction inner pipe, of the pressing rod is provided. Further, rubber layers are fixed on the circumferential surfaces of the first closing plate and the second closing plate. Further, a plurality of sealing balls are fixed on the circumferential s