CN203852707U - Liquid medicament evaporator - Google Patents
Liquid medicament evaporator Download PDFInfo
- Publication number
- CN203852707U CN203852707U CN201420091770.7U CN201420091770U CN203852707U CN 203852707 U CN203852707 U CN 203852707U CN 201420091770 U CN201420091770 U CN 201420091770U CN 203852707 U CN203852707 U CN 203852707U
- Authority
- CN
- China
- Prior art keywords
- gas
- evaporator
- gas circuit
- temperature
- flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 119
- 239000003814 drug Substances 0.000 title claims abstract description 67
- 238000009834 vaporization Methods 0.000 claims description 34
- 230000008016 vaporization Effects 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 abstract description 6
- 230000008020 evaporation Effects 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 227
- 239000008155 medical solution Substances 0.000 description 29
- 239000012159 carrier gas Substances 0.000 description 12
- 206010002091 Anaesthesia Diseases 0.000 description 8
- 230000037005 anaesthesia Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 239000003595 mist Substances 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000003444 anaesthetic effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003533 narcotic effect Effects 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
Landscapes
- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a liquid medicament evaporator. The liquid medicament evaporator comprises a machine body, an evaporation chamber, a medicinal core and a flow control device, wherein the machine body is provided with an air inlet and an air outlet; a first air path and a second air path arranged between the air inlet and the air outlet are defined in the machine body; the evaporation chamber is formed in the machine body, and is filled with a liquid medicament; the first air path passes through the evaporation chamber to bring the liquid medicament in the evaporation chamber out of the air outlet; the medicinal core is arranged on the first air path and is positioned in the evaporation chamber; the flow control device is arranged on the second air path to control the flow of gas in the second air path. According to the liquid medicament evaporator disclosed by the utility model, the gas flow on the second air path becomes more stable, and the flow and pressure curves of output mixed gas are highly matched with the flow and pressure curves of liquid medicament steam, so that the flow accuracy and stability of output mixed liquid medicament gas are increased and improved.
Description
Technical field
This utility model relates to technical field of medical instruments, more specifically, relates to a kind of evaporator for medicine liquid.
Background technology
Anesthesia evaporator is a vitals of anesthetic machine, can effectively evaporate anesthetic liquid medicine, and can accurately control the mixing of narcotic boil-off gas and live gas, make its concentration of setting by anaesthetist export exactly patient to, this device should possess makes the concentration of anaesthetizing steam not changed and affected ability by temperature, pressure, flow etc.
In the practical application of anesthesia evaporator, live gas enters in vaporizer, and gas is divided into two-way, and a road is called carrier gas, and another road is called bypass gas.Carrier gas enters live gas control valve through pressure compensation unit, enters medicated core unit, then enters vaporization chamber, enters mixed gas outlet subsequently through over-richness control unit.Bypass gas enters mixed gas outlet through excess temperature and flow-compensated unit.
In correlation technique, on the one hand, concentration control unit is placed in carrier gas gas circuit, the control of its concentration is to rely on to regulate the output of anesthesia steam to realize, its shortcoming is the regulative mode under this state, and flow and the pressure curve Incomplete matching of the flow of the mist of output and pressure curve and anesthesia steam, make the precision of anesthesia gas concentration not high, poor to the adaptability under different fresh gas flows, thus stability of concentration reduced.On the other hand, pressure compensation unit and temperature and flow-compensated cellular construction complexity, cost are high, comparatively complicated to the control of anesthesia vapour concentration.Therefore there is room for improvement in anesthesia evaporator.
Utility model content
This utility model is intended to solve at least to a certain extent one of above-mentioned technical problem of the prior art.For this reason, an object of the present utility model is to propose the evaporator for medicine liquid of the accurate regulating flow quantity of a kind of energy and stability.
According to evaporator for medicine liquid of the present utility model, comprising: body, described body is provided with air inlet and gas outlet, is limited with the first gas circuit and the second gas circuit that are located between described air inlet and gas outlet in described body; Vaporization chamber, described vaporization chamber is located in described body, in described vaporization chamber, holds medicinal liquid, and the described vaporization chamber of described the first gas circuit process is to take the medicinal liquid in described vaporization chamber out of described gas outlet; Medicated core, described medicated core is located in described the first gas circuit and is positioned at described vaporization chamber; And volume control device, described volume control device is located in described the second gas circuit to control the flow of gas in described the second gas circuit.
According to evaporator for medicine liquid of the present utility model, by volume control device being set in the second gas circuit, can make by the gas flow in the second gas circuit more steady, while discharge from gas outlet after the liquid steam in the first gas circuit mixes with the gas in the second gas circuit, the discharge stability of the mist of exporting from gas outlet is improved, and the flow of mist of output and the flow of pressure curve and liquid steam and pressure curve matching degree high, thereby flow accuracy and the stability of admixing medical solutions gas of exporting is improved.
In addition, the evaporator for medicine liquid above-mentioned according to this utility model, can also have following additional technical characterictic:
According to an embodiment of the present utility model, described volume control device comprises: valve seat, and a side of described valve seat is provided with the second liquid passage inlet, and the opposite side of described valve seat is provided with the second gas circuit outlet; With upper valve block, described upper valve block is pivotably mounted on described valve seat along its axis, the lower surface of described upper valve block is provided with the arcuate groove coaxial with described upper valve block, described arcuate groove exports conducting with described the second liquid passage inlet and the second gas circuit respectively, and the degree of depth that described arcuate groove passes through increases gradually.
According to an embodiment of the present utility model, described arcuate groove is formed as major arc.
According to an embodiment of the present utility model, described evaporator for medicine liquid also comprises: vapour lock, described vapour lock is located in described body and between described vaporization chamber and described gas outlet.
According to an embodiment of the present utility model, described vapour lock comprises multiple metallic screen stratum reticulares that laminating arranges successively.
According to an embodiment of the present utility model, described evaporator for medicine liquid also comprises: temperature-sensing valve, described temperature-sensing valve is located in described the second gas circuit to control the flow velocity of gas in described the second gas circuit.
According to an embodiment of the present utility model, described temperature-sensing valve comprises: base plate; Temperature-sensing valve valve seat, described temperature-sensing valve valve seat be located on described base plate and and described base plate between limit a chamber, described temperature-sensing valve valve seat be provided with and described between air inlet and the venthole of chamber conducting; Spring leaf, described spring leaf is located at indoor between described and is arranged on described temperature-sensing valve valve seat; And portable plate, one end of described portable plate is connected with described spring leaf, the other end of described portable plate is changeable between primary importance and the second position, when described portable plate is positioned at described primary importance, the upper surface of the described portable plate described temperature-sensing valve valve seat of fitting, when described portable plate is positioned at the described second position, between the upper surface of described portable plate and described temperature-sensing valve valve seat, form the gap with described venthole conducting.
According to an embodiment of the present utility model, described evaporator for medicine liquid also comprises: pressure compensator, described pressure compensator is located in described the first gas circuit to regulate the air pressure of gas in described the first gas circuit.
According to an embodiment of the present utility model, described pressure compensator is spiral-tube.
According to an embodiment of the present utility model, described evaporator for medicine liquid also comprises: medicinal liquid display unit, described medicinal liquid display unit is located on described body to show the amount of described vaporization chamber inner liquid medicine.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Brief description of the drawings
Fig. 1 is according to the structural representation of the evaporator for medicine liquid of this utility model embodiment;
Fig. 2 makes according to the cutaway view of the evaporator for medicine liquid of this utility model embodiment;
Fig. 3 is the gas flow chart according to the evaporator for medicine liquid of this utility model embodiment;
Fig. 4 is according to the cutaway view of the volume control device of the evaporator for medicine liquid of this utility model embodiment;
Fig. 5 is according to the upward view of the upper valve block of the volume control device of the evaporator for medicine liquid of this utility model embodiment;
Fig. 6 is according to the profile of the vapour lock of the evaporator for medicine liquid of this utility model embodiment;
Fig. 7 is according to the cutaway view of the temperature-sensing valve of the evaporator for medicine liquid of this utility model embodiment.
Reference numeral:
Evaporator for medicine liquid 100;
Body 10; Air inlet 11; Gas outlet 12; Medicine injecting unit 13;
The first gas circuit 20; Vaporization chamber 21; Medicinal liquid display unit 211; Medicated core 22; Vapour lock 23; Pressure compensator 24; Gas control valve 25;
The second gas circuit 30;
Volume control device 31; Valve seat 311; The second liquid passage inlet 3111; Upper valve block 312; Arcuate groove 3121; Groove depth place 31211; The shallow place 31212 of groove;
Temperature-sensing valve 32; Base plate 321; Temperature-sensing valve valve seat 322; Between chamber 323; Air inlet 3231; Venthole 3232; Spring leaf 324; Portable plate 325; Primary importance 3251; The second position 3252; Gap A.
Detailed description of the invention
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining this utility model, and can not be interpreted as restriction of the present utility model.
Specifically describe according to the evaporator for medicine liquid 100 of this utility model embodiment below in conjunction with accompanying drawing.
As shown in Figures 1 to 7, comprise body 10, vaporization chamber 21, medicated core 22 and volume control device 31 according to the evaporator for medicine liquid of this utility model embodiment.Wherein, body 10 is provided with air inlet 11 and gas outlet 12, is limited with the first gas circuit 20 and the second gas circuit 30 that are located between air inlet 11 and gas outlet 12 in body 10.Vaporization chamber 21 is located in body 10, in vaporization chamber 21, holds medicinal liquid, and the first gas circuit 20 process vaporization chambers 21 are to take the medicinal liquid in vaporization chamber 21 out of gas outlet 12.Medicated core 22 is located in the first gas circuit 20 and is positioned at vaporization chamber 21.Volume control device 31 is located in the second gas circuit 30 to control the flow of the second gas circuit 30 interior gases.
Thus, according to the evaporator for medicine liquid 100 of this utility model embodiment, by volume control device 31 being set in the second gas circuit 30, can make by the gas flow in the second gas circuit 30 more steady, while discharge from gas outlet 12 after the liquid steam in the first gas circuit 20 mixes with the gas in the second gas circuit 30, the discharge stability of the mist of exporting from gas outlet 12 is improved, and output the flow of mist and the flow of pressure curve and liquid steam and pressure curve matching degree high, thereby the flow accuracy of admixing medical solutions gas and stability are improved.
Evaporator for medicine liquid in correlation technique can be used for evaporation and the control to anesthetic liquid medicine, and the live gas entering from air inlet is divided into two-way, and a road is called carrier gas, and another road is called bypass gas.Carrier gas mixes output admixing medical solutions gas in gas outlet with bypass gas.The volume control device of this anesthesia evaporator is located in carrier gas gas circuit, and the gas in carrier gas gas circuit passes through volume control device after by vaporization chamber again.The control of the admixing medical solutions gas concentration of gas outlet output is mainly to rely on to regulate the output of the liquid steam in carrier gas gas circuit to realize.This kind of regulative mode makes the flow of admixing medical solutions gas of output and the flow of pressure curve and liquid steam and pressure curve matching degree low, and the precision of the concentration of the admixing medical solutions gas of output is not high.If input the flow difference of live gas from air inlet, also can cause the concentration of the admixing medical solutions gas of exporting unstable, therefore its variation adaptability to fresh gas flow is poor, and the admixing medical solutions gas concentration stability of output is not high.
And according to the evaporator for medicine liquid 100 of this utility model embodiment, as shown in Figure 3, the first gas circuit 20 is carrier gas gas circuit, the second gas circuit 30 is bypass gas circuit.Volume control device 31 is located in the second gas circuit 30, by the volume control device 31 in the second gas circuit 30, the flow of the second gas circuit 30 is controlled.In other words, namely volume control device 31 is located in bypass gas circuit, and the flow of bypass gas is controlled.This evaporator for medicine liquid 100 has improved flow and the pressure curve of the admixing medical solutions gas of output, increase flow and the flow of pressure curve and liquid steam and the matching degree of pressure curve of the admixing medical solutions gas of exporting in gas outlet 12, made the precision of concentration of admixing medical solutions gas higher.And can improve the adaptability that fresh gas flow is changed, the stability of concentration of the admixing medical solutions gas of output is improved.
According to an embodiment of the present utility model, volume control device 31 comprises valve seat 311 and upper valve block 312.Wherein, a side of valve seat 311 is provided with the second liquid passage inlet 3111, and the opposite side of valve seat 311 is provided with the second gas circuit outlet.Upper valve block 312 is pivotably mounted on valve seat 311 along its axis, and the lower surface of upper valve block 312 is provided with the arcuate groove 3121 coaxial with upper valve block 312.Arcuate groove 3121 exports conducting with the second liquid passage inlet 3111 and the second gas circuit respectively, and the degree of depth that arcuate groove 3121 passes through increases gradually.
Particularly, as shown in Figure 4 and Figure 5, wherein the arrow in Fig. 4 shows the flow direction of gas.Upper valve block 312 is provided with arcuate groove 3121, and the axis that the degree of depth of arcuate groove 3121 is extended at upper valve block 312 along it increases gradually or reduces.Be groove depth place 31211 in one end of arcuate groove 3121, the other end is the shallow place 31212 of groove.The shallow place 31212 of groove depth place 31211 and groove and the second liquid passage inlet 3111 and the second gas circuit go out the gas passage that interruption-forming can supplied gas passes through.By the rotation to upper valve block 312, the sectional area in the gap between valve seat 311 and upper valve block 312 increases or reduces, and namely bypass gas is increased or reduced by the sectional area of gas passage.
Wherein, the position at the axis place of upper valve block 312 pivotables is the position at the axis place of arcuate groove 3121, that is to say the dead in line of the pivotal axis of upper valve block 312 and arcuate groove 3121.Distance between this axis position exports with to the second gas circuit to the distance between the second liquid passage inlet 3111 equates, and this distance equals the radius of arcuate groove 3121.In the time that volume control device 31 need to have gas conducting, arcuate groove 3121 exports conducting with the second liquid passage inlet 3111 and the second gas circuit all the time in the process of rotating along its axis, thereby ensures the circulation of gas in volume control device 31.
Thus, in rotation, valve block 312 can change bypass gas by the sectional area of gas passage, thereby the flow of bypass gas is changed, and realizes the control to bypass gas flow, and control procedure is simple; And mix with the liquid steam in the first gas circuit 20 through the bypass gas of volume control device 31, can export the admixing medical solutions gas of concentration stabilize in gas outlet 12.
The concrete structure of arcuate groove 3121 is not particularly limited, and alternatively, according to an embodiment of the present utility model, arcuate groove 3121 is formed as major arc.Particularly, as shown in Figure 5, arcuate groove 3121 is roughly formed as the loop configuration that part disconnects, and is also formed as circular arc at the two ends of arcuate groove 3121.Arcuate groove 3121 extends become radian at upper valve block 312 and is greater than 180 °.The center of circle of arcuate groove 3121 overlaps with the second liquid passage inlet 3111 of valve seat 311 and the mid point of the second gas circuit outlet.Thus, on rotating when valve block 312, the sectional area that arcuate groove 3121 and the second liquid passage inlet 3111 and the second gas circuit go out the gas passage of interruption-forming changes evenly, thereby can improve the precision of the Flow-rate adjustment of volume control device 31 to the bypass gas by the second gas circuit 30, and easy to adjust.
In addition, the structure of volume control device 31 is not limited to the volume control device 31 that above-described embodiment is described.Also the volume control device 31 of just saying the variable depth of the arcuate groove 3121 of describing except above-described embodiment, can be also the variable device of sectional area that makes arcuate groove 3121, for example, can regulate other parameters such as the width of the sectional area of arcuate groove 3121.Volume control device 31 is also not limited to the variable plate-like control device of arcuate groove 3121 that above-described embodiment is described, and can be the sectional area adjustable device of by-pass gas.
As shown in Figure 6, according to an embodiment of the present utility model, evaporator for medicine liquid also comprises vapour lock 23, and vapour lock 23 is located in body 10 and between vaporization chamber 21 and gas outlet 12.Particularly, vapour lock 23 is arranged in the first gas circuit 20, and namely vapour lock 23 is arranged in carrier gas gas circuit.
Thus, the liquid steam of exporting from vaporization chamber 21 is by vapour lock 23, can improve the discharge stability of liquid steam, thereby the stability of the flow-pressure diagram of liquid steam output is enhanced, can not make the flow-pressure diagram of liquid steam occur the point that rises suddenly or plunge, thereby be stabilized in the output concentration of the admixing medical solutions gas of exporting gas outlet 12; But also can in evaporator for medicine liquid 100, use the different vapour lock of resistance 23, and so that the flow of medicinal liquid gas can regulate, thus the flow of auxiliary adjustment medicinal liquid gas.
The structure of vapour lock 23 can be multiple, and alternatively, according to an embodiment of the present utility model, vapour lock 23 comprises multiple metallic screen stratum reticulares that laminating arranges successively.Thus, can determine according to the screen cloth number of plies and sieve number the resistance of vapour lock 23, the drag parameter of vapour lock 23 regulates simple.
In addition, vapour lock 23 can be to be also made up of a folding screen cloth, and the material of screen cloth is not limit.Or vapour lock 23 is the devices that are made up of the cylinder of different pore size, thereby the resistance of vapour lock 23 can arrange as required, and in the time that gas passes through the vapour lock 23 of cylinder formation of different pore size, the flow of gas can be more stable.
According to the evaporator for medicine liquid 100 of this utility model embodiment, in the first gas circuit 20, be provided with vapour lock 23, in the second gas circuit 30, be provided with volume control device 31, namely in carrier gas gas circuit, be provided with vapour lock 23, bypass gas circuit arranges volume control device 31, and volume control device 31 has carried out being effectively combined with vapour lock 23.Utilize the volume control device 31 in the second gas circuit 30 to control the flow of bypass gas, and vapour lock 23 in the first gas circuit 20 regulate the flow of the liquid steam in carrier gas gas circuit.This control taking the first gas circuit 20 as main, the second gas circuit 30 is controlled is auxiliary air-channel system, namely volume control device 31 and vapour lock are carried out the air-channel system of Collaborative Control, optimize the flow-pressure diagram of the gas of the first gas circuit 20 and the second gas circuit 30, improve the characteristic stationarity of flow pressure of air-flow, improved the precision and stability of medicinal liquid gas output.
According to an embodiment of the present utility model, evaporator for medicine liquid 100 also comprises temperature-sensing valve 32, and temperature-sensing valve 32 is located in the second gas circuit 30 to control the flow velocity of the second gas circuit 30 interior gases.Thus, temperature-sensing valve 32 can make the flow velocity of the medicinal liquid gas of output can not change because of the variation of temperature and flow, thereby the concentration of the medicinal liquid gas of output is more stable.
Particularly, as shown in Figure 7, according to an embodiment of the present utility model, temperature-sensing valve 32 comprises base plate 321, temperature-sensing valve valve seat 322, spring leaf 324 and portable plate 325.Wherein, temperature-sensing valve valve seat 322 be located on base plate 321 and and base plate 321 between limit a chamber 323, temperature-sensing valve valve seat 322 is provided with and air inlet 3231 and the venthole 3232 of a chamber 323 conductings.Spring leaf 324 is located in a chamber 323 and is arranged on temperature-sensing valve valve seat 322.One end of portable plate 325 is connected with spring leaf 324, and the other end of portable plate 325 is changeable between primary importance 3251 and the second position 3252.When portable plate 325 is positioned at primary importance 3251, the upper surface laminating temperature-sensing valve valve seat 322 of portable plate 325, when portable plate 325 is positioned at the second position 3252, forms the gap A with venthole 3232 conductings between the upper surface of portable plate 325 and temperature-sensing valve valve seat 322.
Thus, temperature-sensing valve 32 can be realized and control the switching of portable plate 325 between primary importance 3251 and the second position 3252, the aperture size that namely temperature-sensing valve 32 can control gap A, thereby control the flow of the bypass gas of the second gas circuit outlet output of temperature-sensing valve 32, control procedure is simple and reliable, and the compact conformation of temperature-sensing valve 32.
Be understandable that, the shape of parts such as portable plate 325, temperature-sensing valve valve seat 311 and the mode of connection of temperature-sensing valve 32 do not limit, as long as temperature-sensing valve 32 can meet the condition of the aperture size of control gap A.
Specifically describe operation principle and the process of temperature-sensing valve 32 in the time that gas flow and temperature change below.Arrow in Fig. 7 shows the flow direction of gas, when bypass gas flow into from air inlet 3231 through the second gas circuit 30 temperature-sensing valve 32 between chamber 323 when interior, bypass gas flows to venthole 3232 by the gap A in temperature-sensing valve 32, then flows out from venthole 3232.
In the time that the flow of live gas increases, live gas also increases accordingly by the flow of the second gas circuit 30, and the bypass gas pressure between inflow in chamber 323 increases, and the pressure that now acts on portable plate 325 outsides also increases.Under the effect of outside pressure, be fixed on portable plate 325 on spring leaf 324 and be partial to the internal face of temperature-sensing valve valve seat 322, be partial to primary importance 3251, the aperture of gap A between temperature-sensing valve valve seat 322 and portable plate 325 is reduced, and the spacing between the internal face of temperature-sensing valve valve seat 322 and portable plate 325 reduces.The gas flow that flows into the air inlet 3231 of temperature-sensing valve 32 reduces, and the flow of the bypass gas in the second gas circuit 30 is adjusted.Thereby realized in the situation that fresh gas flow is larger, the adjusting of the concentration of the admixing medical solutions gas of exporting from gas outlet 12, makes the concentration of the admixing medical solutions gas that gas outlet 12 exports more stable.
In the time that the flow of live gas reduces, the pressure of the bypass gas between inflow in chamber 323 reduces, and the pressure now acting on portable plate 325 also reduces.Portable plate 325, under the rebound effect of spring leaf 324, increases the aperture of the gap A between portable plate 325 and temperature-sensing valve valve seat 322, and the spacing between portable plate 325 and the internal face of temperature-sensing valve valve seat 322 increases.The gas flow flowing in air inlet 3231 increases, and the output flow of the bypass gas of the second gas circuit 30 is adjusted.Thereby realize the in the situation that of live gas low discharge, made the concentration of the admixing medical solutions gas of exporting from gas outlet 12 more stable.
In temperature-sensing valve 32, be provided with heat-sensitive sheet, heat-sensitive sheet energy sense temperature.In the time that temperature raises, the flow of the medicinal liquid gas of exporting from vaporization chamber 21 increases.And temperature-sensing valve 32 makes the aperture of gap A increase under the effect of heat-sensitive sheet, the flow that enters the bypass gas of temperature-sensing valve 32 from air inlet 3231 is increased, in the second gas circuit 30, the flow of the bypass gas of output increases, can dilute the concentration of the medicinal liquid gas that the first gas circuit 20 exports in gas outlet 12 bypass gas, thereby the concentration of the admixing medical solutions gas of exporting in gas outlet 12 is more stable.Vice versa.
According to an embodiment of the present utility model, evaporator for medicine liquid 100 also comprises pressure compensator 24, and pressure compensator 24 is located in the first gas circuit 20 to regulate the air pressure of the first gas circuit 20 interior gases.Thus, pressure compensator 24 can make the gas pressure in the first gas circuit 20 more stable, thereby the concentration of the admixing medical solutions gas of exporting in gas outlet 12 is more stable.
Alternatively, as shown in Figure 2, according to an embodiment of the present utility model, pressure compensator 24 is spiral-tube.Particularly, in spiral-tube, be provided with the helicla flute of spiral extension.Thus, pressure compensator 24 simple in structure, good looking appearance, is easy to processing, easy to assembly.
The structure of pressure compensator 24 can also have other structures in addition, and the pipeline in spiral-tube can be helical form, or spiral pipeline and the straight tube layout of joining, and can realize equally the compensation to gas concentration.
When evaporator for medicine liquid 100 is in the time that the pressure of gas outlet 12 place's gases increases, part admixing medical solutions gas turns back to the porch of pressure compensator 24 under pressure by volume control device 31 and temperature-sensing valve 32.Under spiral pipeline effect in pressure compensator 24, make the admixing medical solutions gas of this partial reflux can not enter vaporization chamber 21.When in the time that the pressure of gas outlet 12 reduces, the admixing medical solutions gas of this partial reflux also can not inhaled principle because of pump and enter vaporization chamber 21, and the concentration of the admixing medical solutions gas that export gas outlet 12 is more stable.Thereby realized under pressure oscillation, the compensation of pressure compensator 24 to admixing medical solutions gas concentration, is stabilized in the concentration of the admixing medical solutions gas of exporting gas outlet 12.
Therefore, in the time that evaporator for medicine liquid 100 uses together with respirator, spiral-tube can be eliminated the impact of fluctuating on medicinal liquid gas concentration because of the cycle pressure of respirator generation, can effectively prevent the increase of pressure oscillation to medicinal liquid gas concentration or the situation generation reducing, realize the in the situation that of pressure oscillation, stablized the output concentration of medicinal liquid gas.
Medicinal liquid vaporization chamber 21 can also arrange miscellaneous part, and alternatively, according to an embodiment of the present utility model, evaporator for medicine liquid 100 also comprises: medicinal liquid display unit 211, medicinal liquid display unit 211 is located on body 10 to show the amount of vaporization chamber 21 inner liquid medicines.Thus, medicinal liquid display unit 211 can show the height of medicinal liquid liquid level, and person easy to use judges the number of medicinal liquid, increased the ease of use of evaporator for medicine liquid 100.
On evaporator for medicine liquid 100, be also provided with gas control valve 25, as shown in Figure 3, gas control valve 25 is located between pressure compensator 24 and vaporization chamber 21, and gas control valve 25 can be controlled the conducting of gas and the state of closing.
Specifically describe below according to the assembling process of the evaporator for medicine liquid 100 of this utility model embodiment.
As depicted in figs. 1 and 2, medicinal liquid display unit 211 is loaded on medicine injecting unit 13, is positioned at the front end left side of vaporization chamber 21, and medicine injecting unit 13 use screws are connected with body 10.Temperature-sensing valve 32 is connected with body 10 use screws by base plate 321.
Pressure compensator 24 is put into medicated core 22, and in pressure compensator 24 bottoms, pressure compensator 24 is connected with medicated core 22 with screw, the valve seat 311 of pressure compensator 24 and volume control device 31 is connected with screw on the top of pressure compensator 24.
Vapour lock 23 is packed into the exit of medicated core 22, with screw, body 10 is connected with valve seat 311 again, so far, volume control device 31, body 10, temperature-sensing valve 32, medicated core 22, pressure compensator 24, medicinal liquid display unit 211 and medicine injecting unit 13 are fitted together, and assemble successively subsequently other associate member.
Generally speaking, according to the evaporator for medicine liquid 100 of this utility model embodiment, it arranges volume control device 31 in the second gas circuit 30, in the first gas circuit 20, vapour lock 23 is set, volume control device 31 and vapour lock 23 are carried out effective combination, optimize the first gas circuit 20, the second gas circuit 30 and mixed the flow-pressure diagram of gas in gas circuit, improved the goodness of fit of the flow-pressure diagram of live gas and admixing medical solutions gas.
By temperature-sensing valve 32 and pressure compensator 24, flow and pressure oscillation are realized to compensation effectively, improved the precision and stability of the admixing medical solutions gas concentration of output.
Therefore, this evaporator for medicine liquid 100 can guarantee that the concentration of admixing medical solutions gas and the concentration of setting of output is consistent, the fluctuation of pressure that cause when the concentration of the admixing medical solutions gas of output can not worked because of the variation of the variation of temperature, fresh gas flow, respirator and its concentration is changed.Evaporator for medicine liquid 100 effectively combines temperature-sensing valve 32, pressure compensator 24 and vapour lock 23, realize the compensation fresh gas flow variation, variations in temperature and the pressure oscillation in the situation that to medicinal liquid gas, these evaporator for medicine liquid 100 compact overall structure, handling ease, easy accessibility.
Be all known for those of ordinary skills according to other formations of the evaporator for medicine liquid 100 of this utility model embodiment and operation, be not described in detail here.
In description of the present utility model, it will be appreciated that, term " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of instructions such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only this utility model and simplified characterization for convenience of description, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or integral; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in this utility model.
In this utility model, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.In addition, those skilled in the art can engage the different embodiment that describe in this description or example and combine.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in scope of the present utility model, amendment, replacement and modification.
Claims (10)
1. an evaporator for medicine liquid, is characterized in that, comprising:
Body, described body is provided with air inlet and gas outlet, is limited with the first gas circuit and the second gas circuit that are located between described air inlet and gas outlet in described body;
Vaporization chamber, described vaporization chamber is located in described body, in described vaporization chamber, holds medicinal liquid, and the described vaporization chamber of described the first gas circuit process is to take the medicinal liquid in described vaporization chamber out of described gas outlet;
Medicated core, described medicated core is located in described the first gas circuit and is positioned at described vaporization chamber; With
Volume control device, described volume control device is located in described the second gas circuit to control the flow of gas in described the second gas circuit.
2. evaporator for medicine liquid according to claim 1, is characterized in that, described volume control device comprises:
Valve seat, a side of described valve seat is provided with the second liquid passage inlet, and the opposite side of described valve seat is provided with the second gas circuit outlet; With
Upper valve block, described upper valve block is pivotably mounted on described valve seat along its axis, the lower surface of described upper valve block is provided with the arcuate groove coaxial with described upper valve block, described arcuate groove exports conducting with described the second liquid passage inlet and the second gas circuit respectively, and the degree of depth that described arcuate groove passes through increases gradually.
3. evaporator for medicine liquid according to claim 2, is characterized in that, described arcuate groove is formed as major arc.
4. evaporator for medicine liquid according to claim 1, is characterized in that, also comprises: vapour lock, described vapour lock is located in described body and between described vaporization chamber and described gas outlet.
5. evaporator for medicine liquid according to claim 4, is characterized in that, described vapour lock comprises multiple metallic screen stratum reticulares that laminating arranges successively.
6. evaporator for medicine liquid according to claim 1, is characterized in that, also comprises: temperature-sensing valve, described temperature-sensing valve is located in described the second gas circuit to control the flow velocity of gas in described the second gas circuit.
7. evaporator for medicine liquid according to claim 6, is characterized in that, described temperature-sensing valve comprises:
Base plate;
Temperature-sensing valve valve seat, described temperature-sensing valve valve seat be located on described base plate and and described base plate between limit a chamber, described temperature-sensing valve valve seat be provided with and described between air inlet and the venthole of chamber conducting;
Spring leaf, described spring leaf is located at indoor between described and is arranged on described temperature-sensing valve valve seat; With
Portable plate, one end of described portable plate is connected with described spring leaf, the other end of described portable plate is changeable between primary importance and the second position, when described portable plate is positioned at described primary importance, the upper surface of the described portable plate described temperature-sensing valve valve seat of fitting, when described portable plate is positioned at the described second position, between the upper surface of described portable plate and described temperature-sensing valve valve seat, form the gap with described venthole conducting.
8. evaporator for medicine liquid according to claim 1, is characterized in that, also comprises: pressure compensator, described pressure compensator is located in described the first gas circuit to regulate the air pressure of gas in described the first gas circuit.
9. evaporator for medicine liquid according to claim 8, is characterized in that, described pressure compensator is spiral-tube.
10. according to the evaporator for medicine liquid described in any one in claim 1-9, it is characterized in that, also comprise: medicinal liquid display unit, described medicinal liquid display unit is located on described body to show the amount of described vaporization chamber inner liquid medicine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420091770.7U CN203852707U (en) | 2014-02-28 | 2014-02-28 | Liquid medicament evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420091770.7U CN203852707U (en) | 2014-02-28 | 2014-02-28 | Liquid medicament evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203852707U true CN203852707U (en) | 2014-10-01 |
Family
ID=51602588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420091770.7U Expired - Lifetime CN203852707U (en) | 2014-02-28 | 2014-02-28 | Liquid medicament evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203852707U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104874081A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Medicine liquid evaporator |
| CN106853269A (en) * | 2015-12-08 | 2017-06-16 | 北京谊安医疗系统股份有限公司 | A kind of pressure compensator |
| CN108096644A (en) * | 2017-12-08 | 2018-06-01 | 东莞康智医疗器械有限公司 | Disposable dry envelope valve type thoracic duction instrument |
-
2014
- 2014-02-28 CN CN201420091770.7U patent/CN203852707U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104874081A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Medicine liquid evaporator |
| CN106853269A (en) * | 2015-12-08 | 2017-06-16 | 北京谊安医疗系统股份有限公司 | A kind of pressure compensator |
| CN108096644A (en) * | 2017-12-08 | 2018-06-01 | 东莞康智医疗器械有限公司 | Disposable dry envelope valve type thoracic duction instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2019283897B2 (en) | Systems and method for delivery of therapeutic gas to patients in need thereof using enhanced breathing circuit gas (BCG) flow measurement | |
| CN203852707U (en) | Liquid medicament evaporator | |
| JP7110251B2 (en) | Method of operating a system for delivering therapeutic gas into respiratory gas in an inspiratory limb of a patient's breathing circuit | |
| US20190015800A1 (en) | System and method for preparation of a medical fluid | |
| US3575168A (en) | Volatile anaesthetic vaporising apparatus | |
| US20120318263A1 (en) | Anesthesia vaporizer system and method | |
| CN201058168Y (en) | Inhalation sedation device | |
| US20170246419A1 (en) | Devices, systems, and methods for mixing and blending two or more fluids | |
| CN102266630A (en) | Breathing machine gas proportion control method and device | |
| FI104411B (en) | Arrangement in connection with anesthetic vaporization | |
| CN201855488U (en) | Small dose supplement anesthesia evaporator | |
| CN104874081A (en) | Medicine liquid evaporator | |
| JP4082822B2 (en) | Metering device | |
| US4177830A (en) | Valve assembly permitting independent peak flow and decay rate control of periodic gas flows | |
| CN102797882B (en) | Needle valve capable of accurately adjusting flow rate | |
| US20170095633A1 (en) | Device And Method For Diffusing High Concentration NO With Inhalation Therapy Gas | |
| CN103893888B (en) | Pulse width modulation type anesthesia machine or breathing machine | |
| KR101138957B1 (en) | Electric vaporizer of anesthesia appartus | |
| CN210750740U (en) | Inhalation anesthetic evaporation device | |
| CN104023780A (en) | Vaporiser arrangement for breathing apparatus | |
| CN106456928A (en) | Device and method for dosing an anaesthetic in a gas flow | |
| RU2406542C2 (en) | Method of anesthetic dosage and device for its implementation | |
| CN211513045U (en) | Evaporator tank body with high-precision output concentration | |
| CN201880157U (en) | Device for controlling output concentration of narcotics | |
| CN211652686U (en) | Anesthetic gas concentration measuring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141001 |