CN102462884A - Double-level concentration control type anaesthetic evaporation device - Google Patents
Double-level concentration control type anaesthetic evaporation device Download PDFInfo
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- CN102462884A CN102462884A CN2010105372337A CN201010537233A CN102462884A CN 102462884 A CN102462884 A CN 102462884A CN 2010105372337 A CN2010105372337 A CN 2010105372337A CN 201010537233 A CN201010537233 A CN 201010537233A CN 102462884 A CN102462884 A CN 102462884A
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Abstract
The invention provides a double-level concentration control type anaesthetic evaporation device, which comprises a dosing mechanism, a primary concentration control mechanism and a secondary concentration control mechanism, wherein the dosing mechanism is respectively connected with the primary concentration control mechanism and the secondary concentration control mechanism through a dosing pipeline, and the primary concentration control mechanism is also connected with the secondary concentration control mechanism through a pipeline; and the primary concentration control mechanism adopts a spraying mode to realize the primary control on the anaesthetic concentration of 0-7%, and the secondary concentration control mechanism adopts a low concentration supplement evaporation mode to realize the accurate control on the anaesthetic concentration of 0.1-0.9%. The double-level concentration control type anaesthetic evaporation device combines two modes of spraying and evaporation, so the precision is improved, the volume is reduced, the weight is lowered, the dosing is fast, the dose of the anaesthetic concentration is increased, and the double-level concentration control type anaesthetic evaporation device is suitable for the integral use of various anesthesia machines which are used in the current hospitals.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments parts, relate in particular to a kind of two-stage concentration control mode anaesthetic vaporising device.
Background technology
Anesthesia evaporator is a kind of device that can evaporate the anesthesia medicinal liquid effectively and can accurately anesthetics be imported the anesthesia respiration loop by finite concentration.Anesthetics output steady concentration degree has determined the quality of anesthetic machine overall performance, is related to the success or failure that suck anesthesia, directly relates to patient's safety.
Domestic all vaporizers are import at present, aspect medicine and Air mixing, adopt the medicine evaporation more and get in the patient body present vaporizer anesthetics output concentration maximum output 6%, precision 0.2% through air delivery, dilution back.
Along with the higher trend of modern human body body weight, existing vaporizer can't adapt to quick, heavy dose of anaesthetic to be supplied with, and main cause is the limitation of the medicine evaporation mode that adopts: one of which; If the drug volatilization amount is bigger, medicine receives the influence of factors such as ambient temperature, pressure, carrier gas flow performance bigger, makes the output drug level unstable; Its two, if increase the disengagement area of medicine, can increase the volume of vaporising device; Its cost is high, and device is heavy, and displacement is carried in inconvenience; If incorporation time is long, can't realize quick heavy dose of anaesthetic supply, therefore, in the working control process, be difficult to keep anaesthetic concentration to reach high-precision and stable and carry, drug level is unstable, causes the administration concentration inaccuracy.
Summary of the invention
The object of the invention just is to overcome the shortcoming and defect of prior art, and provides a kind of volume little, and in light weight, administration is rapid, and can accurately control the two-stage concentration control mode anaesthetic vaporising device of drug level.
In order to achieve the above object; The present invention has adopted following technical scheme: a kind of two-stage concentration control mode anaesthetic vaporising device; Comprise administration mechanism, one-level concentration controlling organization and two-stage concentration controlling organization; Administration mechanism links to each other with the two-stage concentration controlling organization with one-level concentration controlling organization respectively through the administration pipeline, and one-level concentration controlling organization also links to each other with the two-stage concentration controlling organization through pipeline; One-level concentration controlling organization adopts spray pattern to realize the elementary control of anesthetic concentration, and the two-stage concentration controlling organization adopts evaporation mode to realize the accurate control of anesthetic concentration.
Described administration mechanism comprises administration groove, one-level anesthetics delivery tube, secondary anesthetics delivery tube and liquidometer; One-level anesthetics delivery tube and secondary anesthetics delivery tube are separately positioned on the both sides, bottom of administration groove, and secondary administration control valve is installed on secondary anesthetics delivery tube; Liquidometer is installed in the upper side of administration groove; Be provided with the anesthetics dosing mouth in the upper end of administration groove; Described one-level concentration controlling organization links to each other with one-level anesthetics delivery tube, and described two-stage concentration controlling organization links to each other with secondary anesthetics delivery tube.
Described one-level concentration controlling organization comprises check valve, booster pump, nozzle component, Venturi tube and the corresponding pipeline that is connected; The entrance point of check valve links to each other with the one-level anesthetics delivery tube of administration groove; The port of export of check valve links to each other with the import of booster pump through pipeline; The supercharging delivery side of pump links to each other with nozzle component through pipeline, and nozzle component is arranged in the Venturi tube; Entrance point in Venturi tube is provided with compressed air inlet, and the outlet of Venturi tube links to each other with described two-stage concentration controlling organization through pipeline.
Described two-stage concentration controlling organization comprises outer jar, interior jar, vaporization chamber, porous evaporation core, mixing chamber, bypass pipe, pressure compensation ring, supplies with ring, flow-control awl and temperature compensator; Outer jar bottom links to each other with the secondary anesthetics delivery tube of administration mechanism; Outer jar top is provided with two-stage concentration controlling organization gas input port and two-stage concentration controlling organization gas delivery port; Outer jar centre is provided with the metal obstruct collar its inner chamber is separated into epicoele and cavity of resorption, and cavity of resorption is formed for the vaporization chamber of ccontaining anesthetics; Two-stage concentration controlling organization gas input port links to each other with Venturi tube in the one-level concentration controlling organization through pipeline; In the middle of the jar, the bottom of interior jar was provided with uncovered and is communicated with vaporization chamber outside interior jar was erected at, and interior jar top is passed the metal obstruct collar and stretched into intracavity; The porous evaporation core is connected to outer jar of inwall and the interior tank wall in the vaporization chamber; Mixing chamber is arranged on outer jar epicoele, and the bottom of mixing chamber linked to each other with interior jar through communicating pipe, and the left end of mixing chamber links to each other with bypass pipe, and the right-hand member of mixing chamber links to each other with two-stage concentration controlling organization gas delivery port through pipeline; The left end of bypass pipe links to each other with two-stage concentration controlling organization gas input port; The pressure compensation ring is arranged on the top that metal intercepts the collar, and its upper end links to each other with two-stage concentration controlling organization gas input port through pipeline, and the lower end links to each other with the supply ring through pipeline; The supply ring is arranged in the vaporization chamber and is placed between the porous evaporation core of outer jar inwall and interior tank wall; Outside being installed in, the flow-control awl also stretches into interior jar downwards on the tank body of jar; Temperature compensator is connected on the bypass pipe; The pressure compensation ring with supply with the pipeline that ring links to each other on be provided with control valve.
Described nozzle component comprises head body and printhead controller; The coaxial rotation but printhead controller and head body are movably connected; Head body is the patty structural member, and its lateral surface is the jet face of convex, and medial surface is the joint face of planar shaped, in the middle of joint face, is provided with installation shaft; Be provided with interior circular passage, middle circular passage and outer ring passage in head body inside; Between the medial surface of interior circular passage, middle circular passage and outer ring passage and head body, be respectively equipped with a plurality of internal ring services, a plurality of medium ring service and a plurality of outer shroud service; Between the lateral surface of interior circular passage, middle circular passage and outer ring passage and head body, be respectively equipped with a plurality of internal ring spray orifices, a plurality of medium ring spray orifice and a plurality of outer shroud spray orifice; The internal ring spray orifice, the medium ring spray orifice is identical with the aperture of outer shroud spray orifice but number is different; The number of medium ring spray orifice is the twice of the number of internal ring spray orifice, and the number of outer shroud spray orifice is the twice of the number of medium ring spray orifice; Also equidistantly in the outer of medial surface be provided with eight detents; Periphery corresponding to eight detents is provided with limited step, on the periphery of head body, is sequentially with 0%, 1%, 2%, 3%, 4%, 5%, 6% and 7% 8 administration concentration sign corresponding to eight detents; Printhead controller is the patty structural member; The centre is provided with installing hole; The installation shaft of head body is installed in this installing hole, and the medial surface of printhead controller links to each other with the joint face of head body, and the lateral surface of printhead controller is provided with total feeding opening; Total feeding opening links to each other with booster pump through pipeline; Be provided with passage in the inside of printhead controller and be communicated with, be provided with internal ring passage, medium ring passage and outer ring channel between the medial surface of this passage and printhead controller with above-mentioned total feeding opening, the position of internal ring passage, medium ring passage and outer ring channel respectively with head body on internal ring service, medium ring service and outer shroud service corresponding; Medial surface edge at printhead controller is provided with steel ball spring detent mechanism and positive stop lug boss, on the periphery of printhead controller, is provided with the concentration cue mark corresponding to positive stop lug boss; Detent on steel ball spring detent mechanism and the head body is suitable, and the limited step on positive stop lug boss and the head body is suitable.
Described pressure compensation ring is the circulating line of a band opening, is interval with the polylith baffle plate in the pipeline, and each baffle plate is cross-linked the inner and outer wall at pipeline.
Described supply ring is that cylindrical shape is jacket structured, is interval with a plurality of ducts of giving vent to anger respectively at the inner and outer wall of supplying with ring.
Described porous evaporation core is the cotton thread fabric.
Described temperature compensator comprises a motionless valve port and movable valve port, and motionless valve port is fixed on the low-expansion Metallic rod, and movable valve port is fixed on the Metallic rod of a high expansion coefficient; The Metallic rod of high expansion coefficient stretches in the vaporization chamber downwards, and can telescopic variation take place with the variations in temperature in the vaporization chamber, thereby drive activity valve port moves up and down, and regulates the spacing size between motionless valve port and the movable valve port.
Jar top is provided with and the adaptive pyramidal structure of flow-control awl in described.
Two-stage concentration control mode anaesthetic vaporising device of the present invention adopts spray pattern to realize the elementary control of anesthetic concentration through one-level concentration controlling organization, adopts evaporation mode to realize the accurate control of anesthetic concentration through the two-stage concentration controlling organization.The control accuracy that has improved is fit to the various anesthetic machines integrated use of present hospital in usefulness.
Description of drawings
Fig. 1 is the population structure sketch map of two-stage concentration control mode anaesthetic vaporising device of the present invention;
Fig. 2 is the structural representation of the administration mechanism among the present invention;
Fig. 3 is the structural representation of the printhead controller among the present invention;
Fig. 4, Fig. 5, Fig. 6 are the structural representations of the head body among the present invention;
Fig. 7 is the structural representation of the two-stage concentration controlling organization among the present invention;
Fig. 8 is the structural representation of the pressure compensation ring among the present invention;
Fig. 9 is the structural representation of the supply ring among the present invention.
The specific embodiment
Below in conjunction with accompanying drawing two-stage concentration control mode anaesthetic vaporising device of the present invention is described further, accompanying drawing is depicted as a preferred embodiment of the present invention, the invention is not restricted to present embodiment.
Referring to Fig. 1; Two-stage concentration control mode anaesthetic vaporising device of the present invention; Comprise administration mechanism 1, one-level concentration controlling organization 2 and two-stage concentration controlling organization 3; Administration mechanism 1 links to each other with two-stage concentration controlling organization 3 with one-level concentration controlling organization 2 respectively through the administration pipeline, and one-level concentration controlling organization 2 also links to each other with two-stage concentration controlling organization 3 through pipeline; One-level concentration controlling organization 2 adopts spray pattern to realize the elementary control of anesthetic concentration, and two-stage concentration controlling organization 3 adopts evaporation mode to realize the accurate control of anesthetic concentration.
Referring to Fig. 2, the administration mechanism 1 among the present invention comprises administration groove 11, one-level anesthetics delivery tube 12, secondary anesthetics delivery tube 13, liquidometer 14 and anesthetics dosing mouth 15.One-level anesthetics delivery tube 12 and secondary anesthetics delivery tube 13 are separately positioned on the both sides, bottom of administration groove, and liquidometer 14 is installed in the upper side of administration groove; Be provided with anesthetics dosing mouth 15 in the upper end of administration groove; One-level anesthetics delivery tube 12 links to each other with one-level concentration controlling organization 2 through pipeline, and secondary anesthetics delivery tube 13 links to each other with two-stage concentration controlling organization 3 through pipeline, and secondary administration control valve 16 is installed on secondary anesthetics delivery tube 13.
Continuation is referring to Fig. 1; One-level concentration controlling organization 2 among the present invention comprises check valve 21, booster pump 22, nozzle component 23, Venturi tube 24 and the corresponding pipeline that is connected; The entrance point of check valve 21 links to each other with the one-level anesthetics delivery tube 12 of administration groove; The port of export of check valve 21 links to each other with the import of booster pump 22 through pipeline, and the outlet of booster pump 22 links to each other with nozzle component 23 through pipeline, and booster pump 22 is by step motor control.Nozzle component 23 is arranged in the Venturi tube 24; Entrance point in Venturi tube 24 is provided with compressed air inlet, and the outlet of Venturi tube 24 links to each other with two-stage concentration controlling organization 3 through pipeline 25.
Referring to Fig. 3, Fig. 4, Fig. 5, Fig. 6, the nozzle component 23 among the present invention comprises head body 231 and printhead controller 232; The coaxial rotation but printhead controller 232 and head body 231 are movably connected.
The structure of head body 231 such as Fig. 4, Fig. 5, shown in Figure 6 are the patty structural member, and its lateral surface 2311 is the jet face of convex, and medial surface 2312 is the joint face of planar shaped, in the middle of joint face 2312, are provided with installation shaft 2313; Circular passage 2314, middle circular passage 2315 and outer ring passage 2316 in head body inside is provided with; Between the medial surface 2312 of interior circular passage 2314, middle circular passage 2315 and outer ring passage 2316 and head body, be respectively equipped with 2317,4 medium ring services 2318 of 4 internal ring services and 4 outer shroud services 2319; It is identical with the aperture of 40 outer shroud spray orifices with 2331,20 medium ring spray orifices 2332 of 2333,10 internal ring spray orifices of 40 outer shroud spray orifices between the lateral surface 2311 of interior circular passage 2314, middle circular passage 2315 and outer ring passage 2316 and head body, to be respectively equipped with 2331,20 medium ring spray orifices 2332 of 10 internal ring spray orifices.Also equidistantly in the outer of medial surface 2312 be provided with eight detents 2334; Periphery corresponding to eight detents is provided with limited step 2335, on the periphery of head body, is sequentially with 0%, 1%, 2%, 3%, 4%, 5%, 6% and 7% 8 administration concentration sign corresponding to eight detents.
The structure of printhead controller 232 is shown in Fig. 3 a, Fig. 3 b; Be the patty structural member; The centre is provided with installing hole 2321; The installation shaft 2313 of head body is installed in this installing hole, and the medial surface of printhead controller links to each other with the joint face of head body, and the lateral surface of printhead controller is provided with total feeding opening 2322; Total feeding opening links to each other with booster pump through pipeline; Be provided with passage in the inside of printhead controller and be communicated with (not shown come out) with above-mentioned total feeding opening, be provided with internal ring passage 2323, medium ring passage 2324 and outer ring channel 2325 between the medial surface of this passage and printhead controller, the position of internal ring passage 2323, medium ring passage 2324 and outer ring channel 2325 respectively with head body on internal ring service, medium ring service and outer shroud service corresponding; Be provided with steel ball spring detent mechanism 2326 and positive stop lug boss 2327 at the medial surface edge of printhead controller, on the periphery of printhead controller, be provided with concentration cue mark 2328 corresponding to positive stop lug boss; Steel ball spring detent mechanism 2326 is suitable with the detent on the head body, and positive stop lug boss 2327 is suitable with the limited step on the head body.
Referring to Fig. 7, the two-stage concentration controlling organization 3 among the present invention comprises outer jar 31, interior jar 32, vaporization chamber 314, porous evaporation core 33, mixing chamber 34, bypass pipe 35, pressure compensation ring 36, supply with ring 37, flow-control awl 38 and temperature compensator 39.Outer jar bottom links to each other with the secondary anesthetics delivery outlet pipe of administration mechanism; Outer jar top is provided with two-stage concentration controlling organization gas input port 311 and two-stage concentration controlling organization gas delivery port 312; Outer jar centre is provided with the metal obstruct collar 313 its inner chamber is separated into epicoele and cavity of resorption, and cavity of resorption is formed for the vaporization chamber 314 of ccontaining anesthetics; Two-stage concentration controlling organization gas input port 311 links to each other with Venturi tube 24 in the one-level concentration controlling organization 2 through pipeline; In the middle of the jar, the bottom of interior jar is provided with uncovered and is communicated with vaporization chamber 314 outside being erected at for interior jar 32, and interior jar top is passed the metal obstruct collar 313 and stretched into intracavity; Be provided with on interior jar top with flow-control and bore 38 adaptive pyramidal structures 321.Porous evaporation core 33 is connected to the inwall of the outer jar in the vaporization chamber and interior jar outer wall; Mixing chamber 34 is arranged on outer jar epicoele, and the bottom of mixing chamber 34 linked to each other with interior jar 32 through communicating pipe, and the left end of mixing chamber 34 links to each other with bypass pipe 35, and the right-hand member of mixing chamber 34 links to each other with two-stage concentration controlling organization gas delivery port 312 through pipeline; The left end of bypass pipe 35 links to each other with two-stage concentration controlling organization gas input port 311; Pressure compensation ring 36 is arranged on the top that metal intercepts the collar, and its upper end links to each other with two-stage concentration controlling organization gas input port 311 through pipeline, and the lower end links to each other with supply ring 37 through pipeline; Supplying with ring 37 is arranged in the vaporization chamber; Outside being installed in, flow-control awl 38 also stretches into interior jar 32 on the tank body of jar downwards; Temperature compensator 39 is connected on the bypass pipe 35; At pressure compensation ring 36 and supply with on the pipeline that ring 37 links to each other and be provided with control valve 30.
Referring to Fig. 8, the pressure compensation ring 36 among the present invention is the circulating line of a band opening, is interval with polylith baffle plate 361 in the pipeline, and each baffle plate is cross-linked the inner and outer wall at pipeline; One end of pressure compensation ring links to each other with two-stage concentration controlling organization gas input port 311 through connection tube, and the other end of pressure compensation ring links to each other with supply ring 37 through connection tube.
Referring to Fig. 9; Supply ring 37 among the present invention is that cylindrical shape is jacket structured; Inner and outer wall supplying with ring is interval with a plurality of ducts 371 of giving vent to anger respectively, supplies with the evaporation core of ring outer wall duck eye facing to outer jar inwall, supplies with the evaporation core of ring inwall duck eye facing to interior tank wall; Make mixing more abundant like this, accelerate evaporation process.
Porous evaporation core among the present invention is the cotton thread fabric.
But the operation principle accompanying drawings of two-stage concentration control mode anaesthetic vaporising device of the present invention is following:
One-level concentration controlling organization workflow: anesthetics liquid (comprising enflurane, desflurane etc.), the administration mechanism 1 of packing into flows to one-level concentration controlling organization 2 by one-level anesthetics delivery tube 12; After check valve 21 gets into booster pump 22 airtight pressurizations, under the effect of printhead controller 232, realize eight grades of controls of anaesthetic concentration 0-7%, highly compressed medicinal liquid forms tiny gaseous state medicine spray painting through a plurality of spray orifices on the head body and goes out; The medicine mist is through venturi pipeline 24; After compressed air fully mixes, get into two-stage concentration controlling organization 3, after the low concentration that carries out 0.1-0.9% replenishes; Become required concentration; Flow out from two-stage concentration controlling organization gas delivery port, get into and breathe pipeline, whole passage is totally-enclosed in the course of the work.
One-level concentration controlling organization 2 among the present invention can be realized eight kinds of concentration controls, and its control principle and control method are following:
(1) elementary concentration 0%:
Printhead controller is rotated to the administration concentration sign be in 0% position; This moment on the printhead controller interior, in, outer three passages all not with head body on any service communicate; Liquid can't spray; This moment, anesthesia liquid was totally-enclosed, and the anesthetic concentration of exporting from one-level concentration controlling organization is 0%.
(2) elementary concentration 1%:
30 ° of printhead controller rotations to administration concentration sign is in 1% position; This moment, the internal ring passage 2323 on the printhead controller communicated with an internal ring service 2317 on the head body, and evenly sprayed from 10 internal ring spray orifices 2331 of internal ring service 2317 entering.At this moment, the anesthetic concentration from the output of one-level concentration controlling organization is 1%.
(3) elementary concentration 2%:
60 ° of printhead controller rotations to administration concentration sign is in 2% position; This moment, the medium ring passage 2324 on the printhead controller communicated with a medium ring service 2318 on the head body, and evenly sprayed from 20 medium ring spray orifices 2332 of medium ring service 2318 entering.At this moment, the anesthetic concentration from the output of one-level concentration controlling organization is 2%.
(4) elementary concentration 3%:
Printhead controller half-twist to administration concentration sign is in 3% position; This moment the internal ring passage 2323 on the printhead controller with medium ring passage 2324 respectively with head body on an internal ring service 2317 and a medium ring service 2318 communicate, and get into 10 internal ring spray orifices 2331 from internal ring service 2317 and evenly spray, evenly spray from 20 medium ring spray orifices 2332 of medium ring service 2318 entering.At this moment, the anesthetic concentration from the output of one-level concentration controlling organization is 3%.
(5) elementary concentration 4%:
120 ° of printhead controller rotations to administration concentration sign is in 4% position; This moment, the outer ring channel 2325 on the printhead controller communicated with an outer shroud service 2319 on the head body, and evenly sprayed from 40 outer shroud spray orifices 2333 of outer shroud service 2319 entering.At this moment, the anesthetic concentration from the output of one-level concentration controlling organization is 4%.
(6) elementary concentration 5%:
150 ° of printhead controller rotations to administration concentration sign is in 5% position; This moment the internal ring passage 2323 on the printhead controller with outer ring channel 2325 respectively with head body on an internal ring service 2317 and an outer shroud service 2319 communicate, and get into 10 internal ring spray orifices 2331 from internal ring service 2317 and evenly spray, evenly spray from 40 outer shroud spray orifices 2333 of outer shroud service 2319 entering.At this moment, the anesthetic concentration from the output of one-level concentration controlling organization is 5%.
(7) elementary concentration 6%:
Printhead controller Rotate 180 ° to administration concentration sign is in 6% position; This moment the medium ring passage 2324 on the printhead controller with outer ring channel 2325 respectively with head body on a medium ring service 2318 and an outer shroud service 2319 communicate, and get into 20 medium ring spray orifices 2332 from medium ring service 2318 and evenly spray, evenly spray from 40 outer shroud spray orifices 2333 of outer shroud service 2319 entering.At this moment, the anesthetic concentration from the output of one-level concentration controlling organization is 6%.
(8) elementary concentration 7%:
210 ° of printhead controller rotations to administration concentration sign is in 7% position; This moment internal ring passage 2323, medium ring passage 2324 and the outer ring channel 2325 on the printhead controller respectively with head body on an internal ring service 2317, a medium ring service 2318 and an outer shroud service 2319 communicate, and get into 10 internal ring spray orifices 2331 from internal ring service 2317 and evenly spray, get into 20 medium ring spray orifices 2332 from medium ring service 2318 and evenly spray, evenly spray from 40 outer shroud spray orifices 2333 of outer shroud service 2319 entering.At this moment, the anesthetic concentration from the output of one-level concentration controlling organization is 7%.
Carry out the elementary control of anesthetic concentration 0-7% through one-level concentration controlling organization after; Get into the two-stage concentration controlling organization again, carry out the accurately control that replenishes of anaesthetic concentration 0.1-0.9%, this two-stage concentration controlling organization just replenishes the small concentration of 0.1-0.9%; Disengagement area is little; Device volume is little, and is in light weight, is about the sixth of present general vaporising device.
The workflow of two-stage concentration controlling organization realizes as follows:
By the anesthetics gas of one-level concentration controlling organization inflow two-stage concentration controlling organization, when only needing the output of integer level, in the time of need not compensating, control valve 30 is closed, let anesthetics gas directly export from two-stage concentration controlling organization gas delivery port 312 through bypass pipe 35.When needing the additional output of decimal level (0.1-0.9%); Control valve 30 is opened; And flow-control awl 38 is adjusted to required additional decimal level concentration, and after the low concentration setting that promptly secondary replenishes, the anesthetics gas that is flowed into the two-stage concentration controlling organization by one-level concentration controlling organization then is divided into two parts; A part gets into vaporization chambers 314 as carrier gas through pressure compensation ring 36, supply ring 37.Be provided with porous evaporation core 33 in the vaporization chamber, porous evaporation core 33 parts are immersed in the anesthesia liquid, and medicinal liquid is because the suitable fiber rising of capillarity; When carrier gas by during when passing; The medicinal liquid that cotton thread is shown evaporates rapidly, and carrier gas becomes saturated anesthetic gases gradually through behind the vaporization chamber.Regulate the output that replenishes saturated anesthetic gases by flow-control awl 38.
The anesthetics gas that another part flows into the two-stage concentration controlling organization by one-level concentration controlling organization is by bypass pipe 35 drains; With the additional saturated anesthetic gases that comes out by vaporization chamber after mixing chamber 34 further fully mixes, deliver to two-stage concentration controlling organization gas delivery port 312 again and export.Through volatilization replenishment control liquor strength 0.1-0.9%, realize the accurate control of the low concentration of anaesthetic concentration.Because narcotic evaporation receives Influence of Temperature; Can compensate through temperature compensator 39; Temperature compensator 39 comprises one by motionless valve port and movable valve port, and motionless valve port is fixed on the low-expansion Metallic rod, and movable valve port is fixed on the Metallic rod of a high expansion coefficient; The Metallic rod of high expansion coefficient stretches in the vaporization chamber downwards; And can telescopic variation take place with the variations in temperature in the vaporization chamber; Thereby drive activity valve port moves up and down, and regulates the spacing size between motionless valve port and the movable valve port, realizes the adjusting to the anesthetics gas flow that passes through bypass pipe.
Claims (10)
1. two-stage concentration control mode anaesthetic vaporising device; It is characterized in that: comprise administration mechanism, one-level concentration controlling organization and two-stage concentration controlling organization; Administration mechanism links to each other with the two-stage concentration controlling organization with one-level concentration controlling organization respectively through the administration pipeline, and one-level concentration controlling organization also links to each other with the two-stage concentration controlling organization through pipeline; One-level concentration controlling organization adopts spray pattern to realize the elementary control of anesthetic concentration, and the two-stage concentration controlling organization adopts evaporation mode to realize the accurate control of anesthetic concentration.
2. two-stage concentration control mode anaesthetic vaporising device as claimed in claim 1 is characterized in that: described administration mechanism comprises administration groove, one-level anesthetics delivery tube, secondary anesthetics delivery tube and liquidometer; One-level anesthetics delivery tube and secondary anesthetics delivery tube are separately positioned on the both sides, bottom of administration groove, and secondary administration control valve is installed on secondary anesthetics delivery tube; Liquidometer is installed in the upper side of administration groove; Be provided with the anesthetics dosing mouth in the upper end of administration groove; Described one-level concentration controlling organization links to each other with one-level anesthetics delivery tube, and described two-stage concentration controlling organization links to each other with secondary anesthetics delivery tube.
3. two-stage concentration control mode anaesthetic vaporising device as claimed in claim 1; It is characterized in that: described one-level concentration controlling organization comprises check valve, booster pump, nozzle component, Venturi tube and the corresponding pipeline that is connected; The entrance point of check valve links to each other with the one-level anesthetics delivery tube of administration groove; The port of export of check valve links to each other with the import of booster pump through pipeline, and the supercharging delivery side of pump links to each other with nozzle component through pipeline, and nozzle component is arranged in the Venturi tube; Entrance point in Venturi tube is provided with compressed air inlet, and the outlet of Venturi tube links to each other with described two-stage concentration controlling organization through pipeline.
4. two-stage concentration control mode anaesthetic vaporising device as claimed in claim 1 is characterized in that: described two-stage concentration controlling organization comprises outer jar, interior jar, vaporization chamber, porous evaporation core, mixing chamber, bypass pipe, pressure compensation ring, supplies with ring, flow-control awl and temperature compensator; Outer jar bottom links to each other with the secondary anesthetics delivery tube of administration mechanism; Outer jar top is provided with two-stage concentration controlling organization gas input port and two-stage concentration controlling organization gas delivery port; Outer jar centre is provided with the metal obstruct collar its inner chamber is separated into epicoele and cavity of resorption, and cavity of resorption is formed for the vaporization chamber of ccontaining anesthetics; Two-stage concentration controlling organization gas input port links to each other with Venturi tube in the one-level concentration controlling organization through pipeline; In the middle of the jar, the bottom of interior jar was provided with uncovered and is communicated with vaporization chamber outside interior jar was erected at, and interior jar top is passed the metal obstruct collar and stretched into intracavity; The porous evaporation core is connected to outer jar of inwall and the interior tank wall in the vaporization chamber; Mixing chamber is arranged on outer jar epicoele, and the bottom of mixing chamber linked to each other with interior jar through communicating pipe, and the left end of mixing chamber links to each other with bypass pipe, and the right-hand member of mixing chamber links to each other with two-stage concentration controlling organization gas delivery port through pipeline; The left end of bypass pipe links to each other with two-stage concentration controlling organization gas input port; The pressure compensation ring is arranged on the top that metal intercepts the collar, and its upper end links to each other with two-stage concentration controlling organization gas input port through pipeline, and the lower end links to each other with the supply ring through pipeline; The supply ring is arranged in the vaporization chamber and is placed between the porous evaporation core of outer jar inwall and interior tank wall; Outside being installed in, the flow-control awl also stretches into interior jar downwards on the tank body of jar; Temperature compensator is connected on the bypass pipe; The pressure compensation ring with supply with the pipeline that ring links to each other on be provided with control valve.
5. two-stage concentration control mode anaesthetic vaporising device as claimed in claim 3, it is characterized in that: described nozzle component comprises head body and printhead controller; The coaxial rotation but printhead controller and head body are movably connected; Head body is the patty structural member, and its lateral surface is the jet face of convex, and medial surface is the joint face of planar shaped, in the middle of joint face, is provided with installation shaft; Be provided with interior circular passage, middle circular passage and outer ring passage in head body inside; Between the medial surface of interior circular passage, middle circular passage and outer ring passage and head body, be respectively equipped with a plurality of internal ring services, a plurality of medium ring service and a plurality of outer shroud service; Between the lateral surface of interior circular passage, middle circular passage and outer ring passage and head body, be respectively equipped with a plurality of internal ring spray orifices, a plurality of medium ring spray orifice and a plurality of outer shroud spray orifice; The internal ring spray orifice, the medium ring spray orifice is identical with the aperture of outer shroud spray orifice but number is different; The number of medium ring spray orifice is the twice of the number of internal ring spray orifice, and the number of outer shroud spray orifice is the twice of the number of medium ring spray orifice; Also equidistantly in the outer of medial surface be provided with eight detents; Periphery corresponding to eight detents is provided with limited step, on the periphery of head body, is sequentially with 0%, 1%, 2%, 3%, 4%, 5%, 6% and 7% 8 administration concentration sign corresponding to eight detents; Printhead controller is the patty structural member; The centre is provided with installing hole; The installation shaft of head body is installed in this installing hole, and the medial surface of printhead controller links to each other with the joint face of head body, and the lateral surface of printhead controller is provided with total feeding opening; Total feeding opening links to each other with booster pump through pipeline; Be provided with passage in the inside of printhead controller and be communicated with, be provided with internal ring passage, medium ring passage and outer ring channel between the medial surface of this passage and printhead controller with above-mentioned total feeding opening, the position of internal ring passage, medium ring passage and outer ring channel respectively with head body on internal ring service, medium ring service and outer shroud service corresponding; Medial surface edge at printhead controller is provided with steel ball spring detent mechanism and positive stop lug boss, on the periphery of printhead controller, is provided with the concentration cue mark corresponding to positive stop lug boss; Detent on steel ball spring detent mechanism and the head body is suitable, and the limited step on positive stop lug boss and the head body is suitable.
6. two-stage concentration control mode anaesthetic vaporising device as claimed in claim 4; It is characterized in that: described pressure compensation ring is the circulating line of a band opening; Be interval with the polylith baffle plate in the pipeline, each baffle plate is cross-linked the inner and outer wall at pipeline.
7. two-stage concentration control mode anaesthetic vaporising device as claimed in claim 4, it is characterized in that: described supply ring is that cylindrical shape is jacket structured, is interval with a plurality of ducts of giving vent to anger respectively at the inner and outer wall of supplying with ring.
8. two-stage concentration control mode anaesthetic vaporising device as claimed in claim 4, it is characterized in that: described porous evaporation core is the cotton thread fabric.
9. two-stage concentration control mode anaesthetic vaporising device as claimed in claim 4; It is characterized in that: described temperature compensator comprises a motionless valve port and movable valve port; Motionless valve port is fixed on the low-expansion Metallic rod, and movable valve port is fixed on the Metallic rod of a high expansion coefficient; The Metallic rod of high expansion coefficient stretches in the vaporization chamber downwards, and can telescopic variation take place with the variations in temperature in the vaporization chamber, thereby drive activity valve port moves up and down, and regulates the spacing size between motionless valve port and the movable valve port.
10. two-stage concentration control mode anaesthetic vaporising device as claimed in claim 4 is characterized in that: jar top is provided with and the adaptive pyramidal structure of flow-control awl in described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010537233.7A CN102462884B (en) | 2010-11-09 | 2010-11-09 | Double-level concentration control type anaesthetic evaporation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010537233.7A CN102462884B (en) | 2010-11-09 | 2010-11-09 | Double-level concentration control type anaesthetic evaporation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102462884A true CN102462884A (en) | 2012-05-23 |
| CN102462884B CN102462884B (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010537233.7A Expired - Fee Related CN102462884B (en) | 2010-11-09 | 2010-11-09 | Double-level concentration control type anaesthetic evaporation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105343977A (en) * | 2015-10-20 | 2016-02-24 | 山东大学齐鲁医院 | Control system of anesthesia vaporizer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87201237U (en) * | 1987-04-13 | 1987-12-31 | 上海市医械模具厂 | Multi-functional anaesthesia machine |
| US5197462A (en) * | 1991-02-20 | 1993-03-30 | Dragerwerk Aktiengesellschaft | Anesthetic metering device |
| US6024087A (en) * | 1997-10-09 | 2000-02-15 | Ohmeda Inc. | Emergency oxygen flowmeter arrangement |
| US6298845B1 (en) * | 1998-09-02 | 2001-10-09 | Siemens Elema Ab | Vaporizer |
| CN101683544A (en) * | 2008-09-28 | 2010-03-31 | 深圳迈瑞生物医疗电子股份有限公司 | Anesthesia evaporator |
-
2010
- 2010-11-09 CN CN201010537233.7A patent/CN102462884B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87201237U (en) * | 1987-04-13 | 1987-12-31 | 上海市医械模具厂 | Multi-functional anaesthesia machine |
| US5197462A (en) * | 1991-02-20 | 1993-03-30 | Dragerwerk Aktiengesellschaft | Anesthetic metering device |
| US6024087A (en) * | 1997-10-09 | 2000-02-15 | Ohmeda Inc. | Emergency oxygen flowmeter arrangement |
| US6298845B1 (en) * | 1998-09-02 | 2001-10-09 | Siemens Elema Ab | Vaporizer |
| CN101683544A (en) * | 2008-09-28 | 2010-03-31 | 深圳迈瑞生物医疗电子股份有限公司 | Anesthesia evaporator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105343977A (en) * | 2015-10-20 | 2016-02-24 | 山东大学齐鲁医院 | Control system of anesthesia vaporizer |
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|---|---|
| CN102462884B (en) | 2014-03-26 |
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