CN210542736U

CN210542736U - Auxiliary atomizer of breathing machine

Info

Publication number: CN210542736U
Application number: CN201822237532.3U
Authority: CN
Inventors: 吴丽; 张文强
Original assignee: Liuzhou Maternity and Child Healthcare Hospital
Current assignee: Liuzhou Maternity and Child Healthcare Hospital
Priority date: 2018-12-28
Filing date: 2018-12-28
Publication date: 2020-05-19
Anticipated expiration: 2028-12-28

Abstract

The utility model discloses a breathing machine auxiliary atomizer, including urceolus and inner tube, the upper portion of the lateral wall of urceolus is equipped with the mouthpiece, be equipped with the pressure valve in the mouthpiece, the atomizing chamber is constituteed to the space between inner tube and the urceolus, the inner tube is equipped with the injection hole, be equipped with spacing ring sum lower spacing ring in the injection hole, the lateral wall of the injection hole between upper spacing ring sum lower spacing ring is equipped with into medicine hole, it communicates injection hole and atomizing chamber to advance medicine hole, the one end that advances medicine hole and keep away from injection hole is connected with into medicine pipe, the one end that advances medicine pipe and keep away from into medicine hole is located the bottom of atomizing chamber, go up spacing ring sum lower spacing ring between sliding connection have a piston, the distance that the lower surface of piston and the upper surface of one side that the piston is close to advancing medicine hole is less than the distance between the upper surface of spacing ring sum of time the highest; in the atomizing process, the piston automatically seals the atomizing chamber, and the liquid medicine and the mist cannot flow out of the medicine injection hole, so that the waste of the liquid medicine is reduced.

Description

Auxiliary atomizer of breathing machine

Technical Field

The utility model relates to an atomizing technical field, especially a supplementary atomizer of breathing machine.

Background

The atomization inhalation is widely applied to the treatment of respiratory system diseases, air or oxygen is used as a gas source, liquid medicine is converted into atomized particles in an atomizer, and then the atomized particles are inhaled by a patient through a respiratory tract, so that the pulmonary inflammation is eliminated, and the treatment purpose is achieved. However, in clinical use, because the patient does not know the atomization knowledge sufficiently or for other reasons, the aerosol comes out from the medicine injection hole of the atomizer, or the liquid medicine is poured out from the medicine injection hole of the atomizer due to the incorrect holding method of the atomizer, so that the waste of the liquid medicine is caused.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the respirator auxiliary atomizer is provided, and the problem of liquid medicine waste caused by leakage of mist or liquid medicine from a medicine injection hole of the atomizer is solved.

In order to achieve the above purpose, the utility model adopts the technical proposal that: an auxiliary atomizer of a breathing machine comprises an outer cylinder and an inner cylinder, wherein a mouthpiece is arranged at the upper part of the outer side wall of the outer cylinder, the mouthpiece is provided with an air outlet hole communicated with the inner part of the outer cylinder, a pressure valve is arranged in the air outlet hole, and the lower end of the outer cylinder is connected with an air source pipe used for being connected with an air source; the inner tube cover is arranged in the outer tube, the upper end of the inner tube is detachably connected with the upper end of the outer tube, an atomizing chamber is formed in the space between the inner tube and the outer tube, the inner tube is provided with medicine injection holes which penetrate through the inner tube from top to bottom, the medicine injection holes are communicated with the atomizing chamber, an upper limit ring and a lower limit ring are arranged in the medicine injection holes, the upper limit ring is arranged above the lower limit ring, the outer wall of the upper limit ring and the outer wall of the lower limit ring are respectively and fixedly connected with the side wall of the medicine injection holes, the side wall of the medicine injection holes between the upper limit ring and the lower limit ring is provided with medicine inlet holes, the medicine inlet holes are communicated with the medicine injection holes and the atomizing chamber, one end of the medicine inlet hole far away from the medicine injection holes is connected with a medicine inlet pipe, one end of the medicine inlet pipe far away from the medicine inlet holes is arranged at the bottom of the atomizing chamber, and a piston, the distance between the lower surface of the piston and the upper surface of one side of the piston close to the medicine inlet hole is smaller than the distance between the upper surface of the lower limiting ring and the highest position of the medicine inlet hole.

Further, the medicine inlet hole is obliquely arranged downwards. The injected liquid medicine can conveniently enter the medicine inlet hole and flow into the atomizing chamber.

Furthermore, the upper surface of the piston is an inclined surface inclined towards the medicine inlet hole, and the distance between the lower surface of the piston and the lowest position of the upper surface is greater than or equal to the distance between the lower limiting ring and the medicine inlet hole. The injected liquid medicine flows into the atomizing chamber from the medicine inlet hole, so that the situation that the liquid medicine stays above the piston and is wasted is avoided.

Further, the lateral wall one end that the venthole is close to the urceolus is the square hole, the upper portion in square hole is equipped with the stopper, the pressure valve is installed in the square hole, the pressure valve includes the baffle and has elastic rubber band, the baffle is the square plate, the both sides on the upper portion of baffle are equipped with the pivot, the pivot rotate connect in the both sides lateral wall in square hole, keep away from the upper end of baffle one side butt of the lateral wall of urceolus in the stopper, the one end fixed connection of rubber band in the upper end of baffle, the other end fixed connection of rubber band in the venthole is kept away from the one end of the lateral wall of urceolus. The pressure valve has simple structure, the baffle can be made of the same material as the mouthpiece, the cost is low, and the recovery and the utilization are convenient.

Further, one end of the medicine inlet pipe, which is far away from the medicine inlet hole, is fixedly connected with a counterweight ball, the counterweight ball is provided with a through hole, and the through hole is communicated with the medicine inlet pipe. The counterweight ball can keep the end of the medicine inlet pipe far away from the medicine inlet hole always at the bottom of the atomizing chamber.

Further, the piston is of a hollow structure. The weight of the piston is reduced, and after the piston is connected with an air source, the piston can slide upwards quickly under the pressure action of air pressure to seal the atomization chamber.

Through the technical scheme, the beneficial effects of the utility model are that:

1. the atomizer of the utility model is provided with a piston in the medicine injection hole, when the air source is closed, the air pressure in the atomizing chamber is equal to the air pressure outside, the piston slides to the lower limit ring under the action of self gravity, the medicine inlet hole leaks at the moment, and the medical staff injects the medicine into the medicine injection hole and then flows into the atomizing chamber through the medicine inlet hole; when the air supply is switched on, the liquid medicine in the atomizing chamber is atomized under the action of the air supply and the atomizer, the air pressure in the atomizing chamber rises, when the pressure reaches a certain degree, the piston is pushed upwards, the piston slides upwards to the upper limiting ring, the connection between the medicine inlet hole and the outside is disconnected, the atomizing chamber is sealed, the pressure valve is opened under the air pressure of the atomizing chamber, the mist is sprayed out from the mouthpiece, and the patient can absorb the mist through the mouthpiece to treat. In the atomizing process, the piston automatically seals the atomizing chamber, so that the liquid medicine and the mist cannot flow out of the medicine injection hole, the utilization rate of the medicine is improved, and the waste of the liquid medicine is reduced.

2. The utility model discloses a pressure valve comprises baffle and rubber band, simple structure, and the preparation material is the same with the difficult to articulate, low cost, and it is convenient to retrieve, can regard as disposable article together with the difficult to articulate to use.

3. The utility model discloses a piston upper surface is the inclined plane, advances the medicine hole downward sloping, toward injecting into the liquid medicine in the medicine hole after, the liquid medicine is automatic to be flowed by high low department, whole atomizing chamber that flows in, has avoided the liquid medicine to remain in the medicine hole of piston top and has caused the extravagant condition to take place.

Drawings

Fig. 1 is a schematic structural diagram of a ventilator assisted nebulizer of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

the medicine injection device comprises an outer cylinder 1, an inner cylinder 2, a medicine injection hole 3, an upper limiting ring 4, a lower limiting ring 5, a piston 6, a pressure valve 7, a medicine inlet hole 8, a medicine inlet pipe 9, a counterweight ball 10, a mouthpiece 11, an air outlet hole 12, an atomization chamber 13, an air source pipe 14, a baffle 71, a rotating shaft 72, a rubber band 73 and a limiting block 74.

Detailed Description

The following describes the embodiments of the present invention with reference to the accompanying drawings.

Referring to fig. 1, an auxiliary atomizer for a respirator comprises an outer cylinder 1 and an inner cylinder 2, wherein the inner cylinder 2 is sleeved in the outer cylinder 1, a sleeve cover is arranged on the outer wall of the upper end of the inner cylinder 2, and the sleeve cover is in threaded connection with the upper end of the outer cylinder 1. The upper portion of the outer side wall of the outer cylinder 1 is provided with a mouthpiece 11, the mouthpiece 11 is provided with an air outlet 12 communicated with the inside of the outer cylinder 1, a pressure valve 7 is arranged in the air outlet 12, the side wall of the upper portion of the outer cylinder 1 is provided with a handle, the handle and the mouthpiece 11 are oppositely arranged on two sides of the outer cylinder 1, the lower end of the outer cylinder 1 is connected with an air source pipe 14, and the air source pipe 14 is communicated with an oxygen cylinder. The atomizer chamber 13 is constituteed to the outer wall of inner tube 2, the inner wall of urceolus 1, the bottom surface of urceolus 1, and atomizer chamber 13 is used for placing the liquid medicine and lets in the air supply and atomize, and the injection hole 3 that runs through about inner tube 2 is equipped with, and the vertical setting of injection hole 3, the outside of injection hole 3 intercommunication atomizer chamber 13 and urceolus 1. The upper end of the medicine injection hole 3 is provided with an upper limit ring 4 and a lower limit ring 5, the upper limit ring 4 is arranged above the lower limit ring 5, and the outer wall of the upper limit ring 4 and the outer wall of the lower limit ring 5 are respectively fixedly connected with the side wall of the medicine injection hole 3. Go up spacing ring 4 and the lateral wall of the injection hole 3 between the spacing ring 5 down and be equipped with into medicine hole 8, the outer wall and the inner wall of medicine hole 8 intercommunication inner tube 2 enter, enter 8 intercommunication injection holes of medicine hole 3 and atomizer chamber 13, the one end that the injection hole 3 was kept away from in medicine hole 8 is connected with into pencil 9, the bottom of atomizer chamber 13 is located to the one end that advances pencil 9 and keep away from into medicine hole 8, the one end fixedly connected with counter weight ball 10 that advances medicine hole 8 is kept away from to pencil 9, counter weight ball 10 is the metal ball, a bottom for keeping into medicine pipe 9's one end all the time in atomizer chamber 13, counter weight ball 10 is equipped with the through-hole, through-hole intercommunication medicine inlet pipe 9. The piston 6 is connected between the upper limiting ring 4 and the lower limiting ring 5 in a sliding mode, the piston 6 is of a hollow structure, the piston 6 is made of light plastics, and the distance between the lower surface of the piston 6 and the upper surface of one side, close to the medicine inlet hole 8, of the piston 6 is smaller than the distance between the upper surface of the lower limiting ring 5 and the highest position of the medicine inlet hole 8.

The medicine inlet hole 8 is obliquely and downwards arranged, the upper surface of the piston 6 is an inclined surface inclined towards the medicine inlet hole 8, the lower surface of the piston 6 is a horizontal plane, the distance between the lower surface of the piston 6 and the lowest part of the upper surface is greater than or equal to the distance between the lower limiting ring 5 and the medicine inlet hole 8, and the distance between the lower surface of the piston 6 and the lowest part of the upper surface is greater than the diameter of the medicine inlet hole 8. The liquid medicine injected from the medicine injection hole 3 flows into the atomizing chamber 13 from a lower position, so that the situation that the liquid medicine stays above the piston 6 to cause waste is avoided.

Referring to fig. 2, one end of the air outlet 12 close to the side wall of the outer cylinder 1 is a square hole, the upper portion of the square hole is provided with a limit block 74, the pressure valve 7 is installed in the square hole, the pressure valve 7 includes a baffle 71 and an elastic rubber band 73, the baffle 71 is a square plate, a gap between the edge of the baffle 71 and the side wall of the square hole is 0.1-0.5mm, two sides of the upper portion of the baffle 71 are provided with a rotating shaft 72, the rotating shaft 72 is rotatably connected to the side walls of the two sides of the square hole, one side of the upper end of the baffle 71 far away from the inner cylinder 2 abuts against one side of the limit block 74 close to the inner cylinder 2, one end of the rubber band 73 is fixedly connected to the upper end of the baffle 71, the other end of the rubber band 73 is fixedly connected to one end of the air outlet 12 far away from the side wall of the.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. A ventilator assisted nebulizer, comprising: comprises that

The outer barrel is characterized in that a mouthpiece is arranged at the upper part of the outer side wall of the outer barrel, the mouthpiece is provided with an air outlet hole communicated with the inside of the outer barrel, a pressure valve is arranged in the air outlet hole, and the lower end of the outer barrel is connected with an air source pipe used for connecting an air source;

the inner tube, the inner tube cover is located in the urceolus, the upper end of inner tube can be dismantled and connect in the upper end of urceolus, the atomizer chamber is constituteed to the space between inner tube and the urceolus, the inner tube is equipped with the injection hole that runs through from top to bottom, injection hole intercommunication the atomizer chamber, be equipped with spacing ring and lower spacing ring in the injection hole, go up the spacing ring and locate the top of spacing ring down, go up the outer wall of spacing ring and the outer wall of spacing ring is fixed connection respectively the lateral wall of injection hole down, the lateral wall of the injection hole between spacing ring and the lower spacing ring is equipped with into medicine hole, it communicates to go into medicine hole injection hole and atomizer chamber, the one end that the injection hole was kept away from to enter medicine hole is connected with into the pencil, the one end that the pencil was kept away from into medicine hole is located the bottom of atomizer chamber, sliding connection has the piston between upper spacing ring and the lower spacing ring, the distance between the lower surface of the piston and the upper surface of one side of the piston close to the medicine inlet hole is smaller than the distance between the upper surface of the lower limiting ring and the highest position of the medicine inlet hole.

2. A ventilator assisted nebulizer as claimed in claim 1, wherein: the medicine inlet hole is obliquely arranged downwards.

3. A ventilator assisted nebulizer as claimed in claim 2, wherein: the upper surface of the piston is an inclined surface inclined towards the medicine inlet hole, and the distance between the lower surface of the piston and the lowest position of the upper surface is larger than or equal to the distance between the lower limiting ring and the medicine inlet hole.

4. A ventilator assisted nebulizer as claimed in claim 1, wherein: the lateral wall one end that the venthole is close to the urceolus is the square hole, the upper portion of square hole is equipped with the stopper, pressure valve installs in the square hole, pressure valve includes the baffle and has elastic rubber band, the baffle is the square plate, the both sides on the upper portion of baffle are equipped with the pivot, the pivot rotate connect in the both sides lateral wall of square hole, keep away from the upper end of baffle one side butt of the lateral wall of urceolus in the stopper, the one end fixed connection of rubber band in the upper end of baffle, the other end fixed connection of rubber band in the venthole is kept away from the one end of the lateral wall of urceolus.

5. A ventilator assisted nebulizer as claimed in claim 1, wherein: one end of the medicine inlet pipe, which is far away from the medicine inlet hole, is fixedly connected with a counterweight ball, and the counterweight ball is provided with a through hole which is communicated with the medicine inlet pipe.

6. A ventilator assisted nebulizer as claimed in claim 1, wherein: the piston is of a hollow structure.