Physiotherapy equipment for respiratory system
Technical field
The present invention relates to the field of medical instrument technology, in particular to a kind of physiotherapy equipment for respiratory system.
Background technique
Patient with respiratory tract system disease, it is sometimes desirable to make the therapeutic scheme for taking tablet and draw the treatment of drug
Scheme carries out (so that drug is directly arrived at affected area has quick direct effect for treatment) simultaneously, in the prior art, to patient
It carries out directly absorption drug therapy to need using drug supply arrangement, drug supply generally includes a cover and a drug
Supply part, for cover for be located in patient facial region, drug supply part is connected to cover, drug supply unit by a hose
Part generally includes a container, and drug is accommodated in the container and drug is extracted and passed through by a draw-off pump, the draw-off pump
Drug is conveyed to cover with certain pressure by hose.
Said medicine supply arrangement in the prior art has following defects that
Well known, patient has when carrying out the respiration period there are two process, first is that breathing process, second is that exhaling
Journey is inhaled by a patient in breathing process into the intracorporal gas of cover (drug);Gas is not and in exhalation process, in cover
Patient's body can be entered.
Since no matter above-mentioned drug supply arrangement is in patient breaths or when exhaling, drug is entered always with certain pressure
In cover, and as the patient exhales, entering the intracorporal drug of cover via hose will not be utilized, which can breathe out with patient
Gas between cover and face gap outflow, thus it is possible, on the one hand, drug flow into external environment, external environment is caused
Pollution;On the other hand, drug flows into the waste that external environment causes drug;In another aspect, when gap is smaller, patient expiration's mistake
Journey can be obstructed, the feeling felt suffocated to patient.
Summary of the invention
For the above-mentioned technical problems in the prior art, the embodiment provides one kind to be used for respiratory system
Physiotherapy equipment.
In order to solve the above technical problems, the embodiment of the present invention the technical solution adopted is that:
A kind of physiotherapy equipment for respiratory system, comprising: drug effect component and drug supply part;
The drug effect component includes
Cover is used to cover at the face of patient;
First shell, the cover are connected to the proximal end of the first shell, be formed in the first shell main pipeline,
Admission line and outlet pipe;The main pipeline extends from the distal end of the first shell towards proximal end and penetrates through the cover;
The admission line extends to the cover from the main pipeline;The outlet pipe extends to described first from the main pipeline
Outside shell;The junction of the admission line and the main pipeline forms the first opening, the outlet pipe and the main pipeline
Junction formed second opening;The drug supply part is connected to the distal end of the first shell and connects with the main pipeline
It passes to the main pipeline and drug is provided;
Valve member is used to control the opening and closing of first opening and second opening, to carry out air-breathing as the patient
When, the valve member opens first opening, and second opening is closed, so that drug passes through the supervisor
Road, admission line and cover, and when the patient exhales, the valve member opens second opening, and makes
First opening is closed, and patient exhalation air is discharged outside the first shell by cover, main pipeline and outlet pipe.
Preferably, the main pipeline has one section of linearly extended drug control section, first opening and described second
Opening is located in the drug control section, and the main pipeline penetrates through the middle part of the cover;Wherein:
The valve member is set in the drug control section and can control along the drug control section, and with the drug
Section sealing cooperation;
First opening is open close to the distal end of the first shell compared to described second, with when the patient inhales,
The main pipeline between the valve member and the proximal end forms negative pressure and the valve member is made to close institute towards the proximal slide
It states the second opening and simultaneously opens first opening, and as the patient expiration, between the valve member and the proximal end
Main pipeline in pressure increase and slide the valve member distally and make the second opening open and close described first
Opening.
Preferably, it is provided with the first filter element in the outlet pipe, with when patient exhales, first mistake
It filters outside the drug outflow first shell of outlet pipe described in component entry deterrence.
Preferably, cavity is formed in the cover, the admission line is connected to the lateral surface that the cover deviates from patient
And be connected to the cavity, the medial surface of the cover towards patient offer the through-hole of multiple perforation cavitys.
Preferably, the smallest cross-sectional of the main pipeline is greater than the smallest cross-sectional of the admission line.
Preferably, the drug supply part includes:
Second shell has a first end and a second end, and the first end of the second shell is connected to the first shell
Distal end;
Body is limited, is set in the second shell, the inner wall of the outer peripheral surface for limiting body and the second shell
Runner is limited, first end is flowed to enter the main pipeline with the second end for enabling air to from second shell;The restriction
It is also formed with supply unit in vivo, the restriction body offers feed path, the supply unit towards the supply unit from its periphery
Drug is provided to the runner by the feed path.
Preferably, the supply unit includes:
Column chamber is opened on the restriction body, and the column is intracavitary to be accommodated with drug, the feed path with it is described
The perforation of column chamber;
Piston is set to the column chamber and can slide along the column chamber;
Component is pre-tightened, is used to that the piston to be enable to oppress the intracavitary drug of the column with certain thrust as drug
It flows into the runner and power is provided.
Preferably, the supply channel is vertically through the outer peripheral surface for limiting body.
Preferably, it is described limit body outer peripheral surface and with it is described limit body periphery towards in corresponding second shell
Wall is tapered surface;Wherein:
The restriction body is set to change the cross-sectional sizes of the runner along the axis direction sliding of the tapered surface.
Preferably, it is provided with the second filter element in the runner, to be filtered to the air entered in the runner.
Compared with prior art, the beneficial effect of the physiotherapy equipment disclosed by the invention for respiratory system is: when patient into
When row is exhaled, valve member opens the second opening, and closes the first opening.The gas of patient's exhalation passes through cover, main pipeline
And outside outlet pipe discharge first shell, so that the gas of patient expiration will not be flowed into outside by the gap of cover and face
In boundary's environment, feel suffocated so as to prevent patient from generating when exhaling.
Detailed description of the invention
Fig. 1 is that for the structural schematic diagram of the physiotherapy equipment of respiratory system, (patient is carried out provided by the embodiment of the present invention
State when air-breathing).
Fig. 2 is the enlarged view of the local A of Fig. 1.
Fig. 3 is the enlarged view of the local B of Fig. 1.
Fig. 4 is that for the structural schematic diagram of the physiotherapy equipment of respiratory system, (patient is carried out provided by the embodiment of the present invention
State when expiration).
Fig. 5 is the enlarged view of the Local C of Fig. 4.
Fig. 6 is the structure provided by the embodiment of the present invention for the drug supply part in the physiotherapy equipment of respiratory system
Schematic diagram (sectional dimension of runner is H1).
Fig. 7 is the structure provided by the embodiment of the present invention for the drug supply part in the physiotherapy equipment of respiratory system
Schematic diagram (sectional dimension of runner is H2).
In figure:
100- face;10- drug effect component;11- first shell;111- main pipeline;1111- drug control section;112-
Admission line;1121- first is open;113- outlet pipe;1131- second is open;The first filter element of 1132-;12- cover;
121- cavity;122- through-hole;13- valve member;20- drug supply part;21- second shell;22- limits body;221- feed path;
23- runner;24- supply unit;241- column chamber;242- piston;243- spring;The top 244- is female;245- check valve;The second mistake of 25-
Filter component.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, with reference to the accompanying drawing and specific embodiment party
Formula elaborates to the present invention.
As shown in Fig. 1 to 7, the embodiment of the present invention discloses a kind of physiotherapy equipment for respiratory system, which is used for
The respiratory disease of patient is treated, for example, pneumonia or bronchial asthma can be treated.Patient is sucked drug by the physiotherapy equipment
Intracorporal affected area is to obtain quick therapeutic effect.The physiotherapy equipment includes drug effect component 10 and drug supply part 20,
Drug supply part 20 is used to provide drug (drug of atomization) for drug effect component 10, and drug effect component 10 is for making to suffer from
Person sucks the drug and can at least guarantee that patient expiration's movement is smooth.
Specifically, drug effect component 10 includes cover 12, first shell 11 and valve member 13.First shell 11 has close
End and distal end (proximal end, which refers to, distally refers to one end far from patient facial region 100 close to one end of patient facial region 100), cover 12
It is connected to the proximal end of first shell 11, the cover 12 is for be located in its glasses face below when patient is using physiotherapy equipment
100, that is, nose and mouth can be coated.Main pipeline 111, admission line 112 and outlet pipe are formed in first shell 11
113, wherein main pipeline 111 extends from the distal end of first shell 11 towards proximal end and penetrates through cover 12;Admission line 112 is responsible for certainly
Road 111 extends to cover 12;113 main conduit 111 of outlet pipe extends to outside first shell 11;Admission line 112 and supervisor
The junction in road 111 forms the first opening 1121, the second opening 1131 of junction formation of outlet pipe 113 and main pipeline 111;
Drug supply part 20 is connected to the distal end of first shell 11 and is connected to main pipeline 111 to provide drug to main pipeline 111.Valve
Part 13 is configured as the opening and closing of control the first opening 1121 and the second opening 1131 during patient exhales, inhales.Specific controlling party
Formula are as follows: as shown in Figure 1, valve member 13 opens the first opening 1121, and makes the second opening 1131 when patient carries out air-breathing
It closes, thus it is possible, on the one hand, to form an access between drug supply part 20 and human body, so as to pass through drug
Main pipeline 111, admission line 112 and cover 12 enter human body;On the other hand, the aspiratory action of patient makes admission line
Negative pressure is formed in 112, under the action of negative pressure, drug main conduit 111 is automatically into air inlet provided by drug supply part 20
Pipeline 112, and be inhaled into the respiratory system of human body through admission line 112 and by cover 12, from without drug is supplied
Component 20 is provided to the component with the drug of certain pressure, and (drug supply part 20 in the prior art is to have drug
There is certain pressure and draw-off pump is set, so that whole equipment improves cost, and drug can not be stopped when patient exhales
Supply).As shown in figure 4, valve member 13 opens the second opening 1131, and makes the first opening when patient exhales
1121 close.First shell 11 is discharged by cover 12, main pipeline 111 and outlet pipe 113 in the gas of patient's exhalation in this way
It (flows into external environment) outside, so that the gas of patient expiration will not flow into the external world by the gap of cover 12 and face 100
In environment, (patient can be provided by increasing the section of outlet pipe 113 so as to prevent patient from generating to feel suffocated when exhaling
The smoothness of expiration).
Above-mentioned valve member 13 is controlled to act, in a manner of making the opening and closings of two openings of control in real time of valve member 13 there are many, example
Such as, it can be acted by outer force control valve part 13, e.g., valve member 13 be controlled by electric signal and is acted.It is preferred real at of the invention one
It applies in example, as shown in Figure 1 and Figure 4, controls the pressure influence in main pipeline 111 valve member 13 using the respiratory movement of patient
One section of linearly extended drug control section 1111, the both ends of the drug control section 1111 are arranged in movement, specifically, main pipeline 111
It is formed with ladder, and the first opening 1121 and the second opening 1131 are located in drug control section 1111, main pipeline 111 penetrates through cover
12 middle part;Valve member 13 is set in drug control section 1111 and can slide along drug control section 1111, and controls with drug
1111 sealing cooperation of section;First opening 1121, close to the distal end of first shell 11, is inhaled compared to the second opening 1131 with working as patient
When gas, as shown in Figure 1, the main pipeline 111 between valve member 13 and proximal end forms negative pressure and closes valve member 13 towards proximal slide
Second opening 1131 simultaneously opens the first opening 1121 simultaneously, and as the patient exhales, the main pipeline between valve member 13 and proximal end
Pressure in 111 increases and slides valve member 13 distally and open the second opening 1131 and close the first opening
1121.In the present embodiment, it is acted using patient respiratory to the pressure generation in the main pipeline 111 between valve member 13 and proximal end
It influences to control valve member 13 and act, so that patient be enable to open admission line 112 in air-breathing, can be used in breathing
Feed channel 113 is opened.Keep the movement of valve member 13 consistent with respiratory movement, and without in external force.
In a preferred embodiment of the invention, outlet pipe 113 includes a plurality of, the circumferential cloth of a plurality of outlet pipe 113
It sets, such as Fig. 5 and as shown in connection with fig. 4, first filter element 1132 is set far from one end of main pipeline 111 in outlet pipe 113, such as
This, when patient exhales, into outlet pipe 113 the gas breathed out after the filtering of the first filter element 1132
It is discharged outside first shell 11, which is configured to contained drug discharge in prevention gas, and (drug is if particle
Shape, can the first filter element 1132 be arranged to the film for only allowing gas to pass through).In the present embodiment, pass through the first filtering of setting
Component 1132 drug can be prevented to be discharged into external environment, so as to avoid to external environment when patient exhales
It pollutes.
In a preferred embodiment of the invention, such as Fig. 2 and as shown in connection with fig. 1, cavity 121 is formed in cover 12, into
Feed channel 112 is connected to cover 12 away from the lateral surface of patient and is connected to cavity 121, and the medial surface of cover 12 towards patient are opened
Through-hole 122 equipped with multiple Through-cavities 121.In the present embodiment, mixed in admission line 112 when patient carries out air-breathing
There is the gas of drug to enter in cavity 121, then, is flowed out by through-hole 122 and be inhaled by a patient again outside cover 12, in this way, cavity
121 pairs of drugs have certain storage effect, and when the aspiratory action of patient is uneven, cavity 121 is to the Sucked medicine of patient
Measurer has certain buffer function, so that the soakage of drug increases with the suction of patient and increased, reduces and reduces, to drop as far as possible
It is influenced caused by the insufficient movement to patient breaths of the drug supply amount of low admission line 112.
For the sensitivity of the movement of raising valve member 13, the smallest cross-sectional of main pipeline 111 is made to be greater than the minimum of admission line 112
Section.In this way, gas increases faster, to make valve the pushing force of valve member 13 in main pipeline 111 when patient exhales
The movement of part 13 is sensitiveer.
In a preferred embodiment of the invention, drug supply part 20 includes: second shell 21 and restriction body 22.
Second shell 21 has a first end and a second end, and the first end of second shell 21 is connected to the distal end of first shell 11;Limit body
22 are set in second shell 21, and the inner wall of the outer peripheral surface and second shell 21 that limit body 22 limits runner 23, so that air
Can be flowed to from the second end of second shell 21 first end with enter main pipeline 111, it is preferable that limit body 22 outer peripheral surface and
It towards the inner wall of corresponding second shell 21 is tapered surface with the periphery for limiting body 22;Wherein: enabling to limit body 22 along cone
The axis direction sliding in shape face is to change the cross-sectional sizes of runner 23 (for example, as shown in fig. 7, making to limit body 22 towards second shell
21 the first extreme direction is mobile and fixed, to obtain the sectional dimension H2 of smaller runner 23;As shown in fig. 6, making to limit body
22 towards second shell 21 the second extreme direction it is mobile and fixed, to obtain the sectional dimension H1 of smaller runner 23).Limit body
It is also formed with supply unit 24 in 22, limits body 22 from its periphery and offers feed path 221 towards supply unit 24, supply unit 24 is logical
It crosses feed path 221 and provides drug to runner 23.Specifically, supply unit 24 includes: column chamber 241, piston 242 and preload group
Part.Column chamber 241, which is opened in, to be limited on body 22, drug is accommodated in column chamber 241, feed path 221 is passed through with column chamber 241
It is logical, it is preferable that supply channel 23 is vertically through the outer peripheral surface for limiting body 22.Piston 242 is set to column chamber 241 and can be along column
Shape chamber 241 slides.One top mother 244 of component packet and spring 243 are pre-tightened, on limiting body 22, spring 243 is set 244 setting of top mother
It is placed between top mother 244 and piston 242, which has certain pushing and pressing effect to piston 242, so that piston 242 is with one
The drug determined in thrust compressing column chamber 241 provides power can flow into runner 23 for drug.In a preferred embodiment, top
Mother 244 can change the compression degree of spring 243 by rotating.In a preferred embodiment, as shown in figure 3, being leaned in runner 23
Second filter element 25 is set on the position of the second end of nearly second shell 21, second filter element 25 is for preventing in air
Dust enter in runner 23, and then sucked after entry deterrence drug effect component 10 by human body.In a preferred embodiment,
Check valve 245 is set on piston 242, adds drug into column chamber 241 to facilitate.
The advantage of above-described embodiment is:
1, drug effect component 10 provided by above-described embodiment is not used to actively continue to mention to drug effect component 10
For drug, which provides drug to drug effect component 10 according to the respiratory movement of patient.For example, working as patient
When carrying out air-breathing, negative pressure is formed in admission line 112, outside air enters runner 23 from the second end of second shell 21, enters
The gas of runner 23, which generates impact to the drug flowed into runner 23 by feed path 221 with certain flow velocity, makes its atomization,
To making the drug through being atomized flow through main pipeline 111, admission line 112, cover 12 and suck human body;And when patient's air inlet is exhaled
When, admission line 112 is blocked by valve member 13, suction function is not present, therefore, outside air will not enter runner 23.Therefore, on
Drug effect component 10 provided by embodiment is stated only when patient carries out air-breathing, just can be that drug effect component 10 and patient mention
It (is only acted herein, patient just needs Sucked medicine) for drug, and when exhaling, drug is not provided for it (act, suffer from herein
Person does not need drug), so as to prevent drug waste.
2, it in above-mentioned preferred embodiment, limits body 22 and is able to carry out position adjusting, so as to improve drug concentration, example
Such as, as shown in fig. 7, passing through the stream of the gas of runner 23 when limiting body 22 by moving so that the cross section of runner 23 becomes smaller
Speed increases, this certainly will increase gas to the atomizing of drug, so that the drug being mixed in gas increases, conversely, in gas
The drug that is mixed with reduce.
3, in above-mentioned preferred embodiment, make feed path 221 vertically through outer peripheral surface, to allow gas to enough vertically rush
Drug is hit, and then improves the nebulization efficiency of drug.
4, in an above-mentioned preferred embodiment, the compression degree of spring 243 is adjusted by rotation top mother 244, thus
Piston 242 is adjusted to the level of compression of drug, and then adjusts the amount that drug flows into runner 23.
Above embodiments are only exemplary embodiment of the present invention, are not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.