Background technology
When the daily nursing of Pneumology Department works, respirator is a kind of conventional apparatus. Respirator is that a kind of normal physiological that can replace, control or change people is breathed, and increases pulmonary ventilation volume, improves respiratory function, alleviate work of breathing consumption, saves the device of heart reservation ability. One) according to pressure mode and effect classification, respirator can be divided into: (1) external formula negative pressure mechanical ventilators: such as the Drinker respirator of early stage, breast helmet formula respirator etc.; (2) positive pressure respirator of air flue is directly acted on: modern ventilator is this kind of type. Two) classifying according to power resources, respirator can be divided into: (1) pneumatic respirator; (2) electric pulmotor; (3) automatically controlled, pneumatic respirator.
Simultaneously, Neulized inhalation is also a kind of conventional treatment means being directly sucked in medicine of Pneumology Department, fog inhalation therapy is to utilize gas jet principle, the mist droplet of droplets impact is suspended in gas, form aerosol and input respiratory tract, carry out the Therapeutic Method that respiratory tract humidifying or medicine suck, as the auxiliary of whole body therapeutic with supplement. Fog inhalation therapy directly acts on diseased region, have the advantage that 1 compared with oral medication, dosage little, 2, instant effect, 3, few side effects, 4, easy to use, 5, evident in efficacy. Respiratory tract local drug concentration is high, can avoid or reduce whole body and use hormone, and patient only need to passively coordinate, it is ensured that the performance of medicine, it has also become a kind of route of administration ideal now.
In existing clinical practice, some use the patient of respirator when there is respiratory tract disease, also simultaneously need to carry out Drug therapy, again owing to these patient's pager abilities are on the weak side, it is impossible to use nebulizer. Accordingly, it would be desirable to develop a kind of respirator with Neulized inhalation function that can use to use respirator patient.
Summary of the invention
It is an object of the invention to: a kind of respirator with Neulized inhalation function that can use to use respirator patient is provided.
Technical scheme:
The respirator with Neulized inhalation function that a kind of Pneumology Department uses, is connected to flexible pipe on respirator, is provided with clamping joint on flexible pipe, and clamping joint is connected with nebulizer, and is provided with switch valve on nebulizer; Being additionally provided with elastic diaphragm on the flexible pipe between the outlet and the outlet of flexible pipe of nebulizer, elastic diaphragm is additionally provided with cushion chamber, cushion chamber is internally provided with inducing QI buffer; Inducing QI buffer includes the lower exocoel being sequentially connected with, middle inner cavity chamber and upper exocoel, down-pressed pole and upperpush rod are nested into lower exocoel and upper exocoel respectively, and the belled position being all nested into inner cavity chamber, down-pressed pole and upperpush rod and lower exocoel, middle inner cavity chamber and upper exocoel is fitted with shaft sealer; The lower exocoel face that is separated by with inner cavity chamber is provided with the first check valve and the second check valve, the opening direction of the first check valve and the second check valve is contrary, the upper exocoel face that is separated by with inner cavity chamber is provided with the 3rd check valve and the 4th check valve, the opening direction of the 3rd check valve and the 4th check valve is contrary, is separately installed with drive link in the outer end of down-pressed pole and upperpush rod; Upperpush rod is connected fixing by drive link with elastic diaphragm, and down-pressed pole is connected fixing by drive link with cushion chamber, is additionally provided with flexure strip on down-pressed pole, and the other end of flexure strip fits on the air vent of the 3rd check valve.
The volume of lower exocoel and upper exocoel is the 20%~30% of inner cavity chamber's volume.
Flexible pipe is additionally provided with water collection pipe.
Being additionally provided with bottom described water collection pipe can the discharge outlet of opening and closing.
The internal layer of flexible pipe is provided with antibiotic plastic layer.
Beneficial effect
The respirator with Neulized inhalation function provided by the invention can to using respirator patient to use.
Embodiment 1
Ventilator-structure provided by the present invention as depicted in figs. 1 and 2, in FIG, is connected to flexible pipe 2 on respirator 1, is provided with clamping joint 5 on flexible pipe 2, and clamping joint 5 is connected with nebulizer 3, and is provided with switch valve 4 on nebulizer 3; Being additionally provided with elastic diaphragm 9 on the flexible pipe between the outlet and the outlet of flexible pipe 2 of nebulizer 3, elastic diaphragm 9 is additionally provided with cushion chamber 7, cushion chamber 7 is internally provided with inducing QI buffer 8.
Such as Fig. 2, inducing QI buffer 8 includes the lower exocoel 17 being sequentially connected with, middle inner cavity chamber 19 and upper exocoel 19, down-pressed pole 16 and upperpush rod 20 are nested into lower exocoel 17 and upper exocoel 19 respectively, and all it is nested into inner cavity chamber 18, down-pressed pole 16 and upperpush rod 20 and is fitted with shaft sealer with lower exocoel 17, the inner cavity chamber 18 of centre and the belled position of upper exocoel 19; The face that is separated by of lower exocoel 17 and inner cavity chamber 18 is provided with the first check valve 10 and the second check valve 11, the opening direction of the first check valve 10 and the second check valve 11 is contrary, the face that is separated by of upper exocoel 20 and inner cavity chamber 19 is provided with the 3rd check valve 12 and the 4th check valve 13, the opening direction of the 3rd check valve 12 and the 4th check valve 13 is contrary, be separately installed with drive link 15 in the outer end of down-pressed pole 16 and upperpush rod 20, lower exocoel 17, middle inner cavity chamber 18 and upper exocoel 19 are filled with air. The volume of lower exocoel 17 and upper exocoel 19 is the 30% of inner cavity chamber 18 volume. Upperpush rod 20 is connected fixing by drive link with elastic diaphragm 9, and down-pressed pole 16 is connected fixing by drive link with cushion chamber 7; Being additionally provided with flexure strip 14 on down-pressed pole 16, the other end of flexure strip 14 fits on the air vent of the 3rd check valve 12.
When using nebulizer, if opening the excessive velocities of switch valve, just have substantial amounts of medicine to discharge, cause instantaneous drug level excessive, the respiratory tract making patient is upset, therefore, open switch valve too fast time, can cause that upperpush rod is squeezed, depression bar can inside chamber movement, now, volume in inner cavity chamber reduces, air pressure increases, air is broken through the 3rd check valve and is entered in lower exocoel, now, the air pressure of lower exocoel also raises, now go up the compression air of exocoel to break through the 4th check valve and enter in inner cavity chamber, now again increase the air pressure of inner cavity chamber, air enters in upper exocoel again through the first check valve, after the air pressure of upper exocoel raises, air enters in inner cavity chamber by the second check valve, complete a circulation, so repeatedly, vibrations are absorbed by the transmission of air.Additionally, owing to being additionally provided with flexure strip on down-pressed pole, the other end of flexure strip fits on the air vent of the 3rd check valve, therefore, when the air within inner cavity chamber is subject to compressing, air preferentially can be discharged from the first check valve, formation air circulates, because the 3rd check valve can be subject to the obstruction that flexure strip is certain, it is to avoid be discharged from air at the very start from air circulation, cause circulating not smooth problem; When the air in inner cavity chamber reaches higher pressure, flexure strip can be washed open, form air circulation.
By above-mentioned such kicking motion, it is possible to prevent the change discharging spice in nebulizer from causing the drug level to patient respiration road to stimulate.
In an other embodiment, flexible pipe 2 is additionally provided with water collection pipe 6. After adding nebulizer, causing the continuous rapid increase of the vapour concentration in respirator, this and traditional respirator have a great difference, therefore, after water condensation, it is possible to collected by water collection pipe 6 and discharge, it is to avoid steam has influence on the normal air flow of flexible pipe.
In an other embodiment, the internal layer of flexible pipe is provided with antibiotic plastic layer. Owing to the moisture concentration in the respirator after adding nebulizer can significantly increase, moisture can cause that the breeding of antibacterial and normal conditions are more rapid, has influence on the health of the respiratory tract of patient. Antibiotic plastic can adopt the anti-biotic material of routine.
In one embodiment, anti-biotic material can adopt following plastics:
Sample 1:
By weight, take polypropylene 70 parts, silicon carbide powder 8 parts, antibacterial 5 parts, chlorinated polyethylene 4 parts, pentaerythritol stearate 3 parts, Sorbitol 4 parts, acrylic resin 3 parts, hydroxyethyl methylacrylate 4 parts, magnesium oxide 3 parts, tert-butyl phenol formaldehyde resin 5 parts, 2 parts of surfactant, antioxidant 1010 0.3 part, stabilizer dibutyl tin laurate 0.4 part, plasticizer phthalic acid dioctyl ester 3 parts, mix homogeneously, put into the side feeding hopper of double screw extruder, melt, mixing, extrusion, cooling, dry, cutting, obtain, the extruder temperature of double screw extruder controls at 190 DEG C, the rotating speed of screw rod controls at 190 revs/min. described antibacterial is Ag-carried nanometer titanium dioxide powder body.
Sample 1:
It is distinctive in that with sample 1: silicon carbide powder first passes through sodium carbonate etching processing in advance and crosses. Concrete step is: takes silicon carbide powder, sodium carbonate 1.2 times of carborundum powder body weight (weight be), after mix homogeneously, is positioned in quartz boat, it is heated to 700 DEG C, is incubated 15min, after letting cool, solids dilute hydrochloric acid is washed to constant weight, obtains etching SiC powder body.
By weight, take polypropylene 70 parts, etching SiC powder body 8 parts, antibacterial 5 parts, chlorinated polyethylene 4 parts, pentaerythritol stearate 3 parts, Sorbitol 4 parts, acrylic resin 3 parts, hydroxyethyl methylacrylate 4 parts, magnesium oxide 3 parts, tert-butyl phenol formaldehyde resin 5 parts, 2 parts of surfactant, antioxidant 1010 0.3 part, stabilizer dibutyl tin laurate 0.4 part, plasticizer phthalic acid dioctyl ester 3 parts, mix homogeneously, put into the side feeding hopper of double screw extruder, melt, mixing, extrusion, cooling, dry, cutting, obtain, the extruder temperature of double screw extruder controls at 190 DEG C, the rotating speed of screw rod controls at 190 revs/min. described antibacterial is Ag-carried nanometer titanium dioxide powder body.
To there is the plastic matrix of antibacterial functions with making model, by QB/T2591-2003 " antibiotic plastic antibiotic property test method ", record antibiotic rate and clump count is as follows:
|
Sample 1 |
Sample 2 |
Antibiotic rate |
98.61% |
99.14% |
Clump count on the sample that 24h cultivates |
8.1×103 |
2.3×103 |
As can be seen from the above table, after adopting anti-biotic material, it is possible to prevent the bacteria breed within the respirator with atomizing functions. Sample 2 have employed the carborundum after process, improves the space in structure, it is possible to antibacterial better.