CN201855488U - Small dose supplement anesthesia evaporator - Google Patents
Small dose supplement anesthesia evaporator Download PDFInfo
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- CN201855488U CN201855488U CN2010205981580U CN201020598158U CN201855488U CN 201855488 U CN201855488 U CN 201855488U CN 2010205981580 U CN2010205981580 U CN 2010205981580U CN 201020598158 U CN201020598158 U CN 201020598158U CN 201855488 U CN201855488 U CN 201855488U
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- anesthesia evaporator
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Abstract
The utility model provides a small dose supplement anesthesia evaporator which is connected with an anesthetic charging mechanism. The small dose supplement anesthesia evaporator comprises an outer tank, an inner tank, an evaporation chamber, porous evaporation cores, a mixing chamber, a bypass pipe, a pressure compensation labyrinth ring, a sieve-shaped supply ring, a flow control cone and a temperature compensator. The pressure compensation labyrinth ring effectively controls the pump suction effect caused by pressure intensity fluctuation and compensates the change of evaporation anesthetic concentration caused by pressure change. The small dose supplement anesthesia evaporator adopts the structure of the inner tank and outer tank, and two layers of porous evaporation cores are respectively placed at the inner side of the outer tank and the outer side of the inner tank so as to increase the evaporation area within an effective space to a maximum extent; and the evaporation speed can be effectively accelerated through arranging the sieve-shaped supply ring. The small dose supplement anesthesia evaporator can realize 0.1-0.9 percent of small dose supplement anesthetic supply and improve the anesthetic output accuracy through being organically matched with a 0-7 percent integer-level anesthetic concentration control mechanism at the front end. The small dose supplement anesthesia evaporator is suitable for low-concentration anesthetic supply and can be integrated and used with various existing anesthesia apparatuses in a hospital.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments parts, relates in particular to a kind of low dose and replenishes anesthesia evaporator.
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, precision have determined the quality of anesthetic machine overall performance, are related to the success or failure that suck anesthesia, directly relate to patient's safety.
At present, domestic all vaporizers are import, output concentration maximum output reaches 6%, its operation principle is: air is divided into the two-way input after feeding vaporizer, lead up to air volume regulating valve, another road is by anesthetis liquid bath, evaporative cylinder and by-pass valve control, after two-way gas mixes again output for the patient breathe anaesthetize use.The design principle of anesthesia evaporator design principle and industrial vaporizer is basic identical, for accurately diluting the concentration of anesthetics steam, must get rid of the influence of factors such as temperature, flow, pressure, especially when the drug volatilization amount is big, medicine is subjected to the influence of factors such as ambient temperature, pressure, carrier gas flow performance bigger, makes output drug level instability; If required medication amount is big, must increase the disengagement area of medicine, can increase the volume of vaporising device, cause the cost height, volume is big, and device is heavy, and displacement is carried in inconvenience; Therefore control accuracy is not high, has only 0.2%.Mainly comprise dosing unit, tank body, vaporization chamber, evaporation core, mixing chamber, bypass pipe, pressure compensation pipe, concentration control unit and temperature compensation unit on the evaporation structure that uses at present.Wherein some parts has the following disadvantages: the pressure compensation pipe is longer, and volume is bigger; Single tank body is only placed one deck evaporation core, and evaporation rate is restricted; Only there are unique runner in pressure compensator and anesthetics evaporating area, have caused anesthetics and mixing of diluent gas to have inhomogeneities.
The purpose of this utility model just is to overcome the above-mentioned shortcoming and defect of existing in prior technology, and provide a kind of low dose to replenish anesthesia evaporator, this device cooperates with the control of front end anesthetic concentration, because front end integer level anesthetic concentration controlling organization provides the finite concentration medicine of 0-7% integer level, therefore the low dose of anesthesia evaporator that replenishes in rear end only need provide the low dose of anaesthetic of 0.1-0.9% to replenish, because the control concentration range is little, control accuracy is just improved.This utility model adopts the different parts of vaporizer in the past in implementation procedure: adopt pressure compensation labyrinth ring increase pressure compensating pipe length to greatest extent in the useful space; Adopt inside and outside two jar structure, and two layers of porous evaporation core are placed in a jar inboard and interior jar of outside respectively outside, increase disengagement area in the useful space to greatest extent; Adopt sieve shape to supply with ring, turbulence intensity is increased, mixes more fully, accelerate evaporation rate, it is more stable to export drug level; The realization volume is little, in light weight, volatilization rapidly, accurately control the dosage of anaesthetic concentration, this device links to each other with administration mechanism, can realize that the low concentration anaesthetic of 0.1-0.9% is supplied with, and cooperates with front end 0-7% integer level anesthetic concentration controlling organization, the low dose of anaesthetic that can realize 0.1-0.9% replenishes, and improves control accuracy.
The utility model content
The purpose of this utility model just is to overcome the shortcoming and defect of prior art, and provides a kind of low dose that can accurately control drug level to replenish anesthesia evaporator.
In order to achieve the above object, this utility model has adopted following technical scheme: a kind of low dose is replenished anesthesia evaporator, mechanism links to each other with the anesthetics administration, comprises that outer jar, interior jar, vaporization chamber, porous evaporation core, mixing chamber, bypass pipe, pressure compensation labyrinth ring, sieve shape are supplied with ring, flow-control awl and temperature compensator; Outer jar bottom links to each other with anesthetics administration mechanism, outer jar top is provided with anesthetics gas input port and anesthetics gas delivery port, outer jar centre is provided with the metal obstruct collar its inner chamber is separated into epicoele and cavity of resorption, cavity of resorption is formed for the vaporization chamber of ccontaining anesthetics, interior jar is erected in the middle of outer jar, interior jar bottom is provided with uncovered and is communicated with vaporization chamber, and interior jar top is passed the metal obstruct collar and stretched into intracavity; The porous evaporation core divides two layers of placement, is connected to outer jar of inwall and 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 by 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 the anesthetics gas delivery port by pipeline; The left end of bypass pipe links to each other with the anesthetics gas input port; The pressure compensation labyrinth ring is arranged on the top that metal intercepts the collar, and its upper end links to each other with the anesthetics gas input port by pipeline, and the lower end is supplied with ring by pipeline with sieve shape and linked to each other; Sieve shape 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; Supply with on the pipeline that ring links to each other pressure compensation labyrinth ring and sieve shape and to be provided with control valve.
Described pressure compensation labyrinth 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.
It is jacket structured for cylindrical shape that described sieve shape is supplied with ring, and the inner and outer wall of supplying with ring sieve shape is interval with a plurality of ducts of giving vent to anger respectively.
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.
Described administration mechanism comprises administration groove, anesthetics delivery tube and liquidometer; The anesthetics delivery tube is arranged on the bottom of administration groove, and the administration control valve is installed on the 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 low dose is replenished anesthesia evaporator and is linked to each other with the anesthetics delivery tube.
Low dose of the present utility model is replenished the low concentration anaesthetic supply that anesthesia evaporator can be realized 0.1-0.9%; Cooperate with front end 0-7% integer level anesthetic concentration controlling organization, realize the accurate control of anesthetic concentration 0.1-0.9%, be fit to of the various anesthetic machines integrated use of present hospital in usefulness.
Description of drawings
Fig. 1 is the low dose of population structure sketch map that replenishes anesthesia evaporator of this utility model;
Fig. 2 is the structural representation of the administration mechanism in this utility model;
Fig. 3 is the structural representation that the low dose in this utility model is replenished anesthesia evaporator;
Fig. 4 is the structural representation of the pressure compensation labyrinth ring in this utility model;
Fig. 5 is the structural representation that the sieve shape in this utility model is supplied with ring.
The specific embodiment
Below in conjunction with accompanying drawing low dose of the present utility model is replenished anesthesia evaporator and be described further, accompanying drawing is depicted as a preferred embodiment of the present utility model, and this utility model is not limited to present embodiment.
Referring to Fig. 1, low dose of the present utility model is replenished anesthesia evaporator 3, links to each other with anesthetics administration mechanism 1.
Referring to Fig. 2, the administration mechanism 1 in this utility model comprises administration groove 11, anesthetics delivery tube 13, liquidometer 14, anesthetics dosing mouth 15 and administration control valve 16.Anesthetics delivery tube 13 is arranged on the 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; Anesthetics delivery tube 13 replenishes anesthesia evaporator 3 by pipeline and low dose and links to each other, and administration control valve 16 is installed on anesthetics delivery tube 13.
Referring to Fig. 3, cooperation is referring to Fig. 4, Fig. 5, and low dose of the present utility model is replenished anesthesia evaporator 3 and comprised that outer jar 31, interior jar 32, vaporization chamber 314, porous evaporation core 33, mixing chamber 34, bypass pipe 35, pressure compensation labyrinth ring 36, sieve shape supply with ring 37, flow-control awl 38 and temperature compensator 39.Outer jar bottom links to each other with the anesthetics delivery tube 13 of administration mechanism, outer jar top is provided with anesthetics gas input port 311 and anesthetics 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; Anesthetics gas input port 311 is used for linking to each other with the anesthetic concentration controlling organization of upper level by 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 flow-control on interior jar top 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 by 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 anesthetics gas delivery port 312 by pipeline; The left end of bypass pipe 35 links to each other with anesthetics gas input port 311; Pressure compensation labyrinth ring 36 is arranged on the top that metal intercepts the collar, and its upper end links to each other with anesthetics gas input port 311 by pipeline, and the lower end is supplied with ring 37 by pipeline with sieve shape and linked to each other; Sieve shape is supplied with ring 37 and 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; Supply with on ring 37 pipelines that link to each other with sieve shape at pressure compensation labyrinth ring 36 and to be provided with control valve 30.
Referring to Fig. 4, pressure compensation labyrinth ring 36 in this utility model is the circulating line of a band opening, be interval with polylith baffle plate 361 in the pipeline, each baffle plate is cross-linked the inner and outer wall at pipeline, controlled any pump that causes because of fluctuation of pressure effectively and inhaled effect, be used to compensate because of pressure and change the variation that causes the evaporation drug level; One end of pressure compensation labyrinth ring links to each other with anesthetics gas input port 311 by connection tube, and the other end of pressure compensation labyrinth ring is supplied with ring 37 by connection tube with sieve shape and linked to each other.
Referring to Fig. 5, it is that cylindrical shape is jacket structured that sieve shape in this utility model is supplied with ring 37, be placed between two layers of porous evaporation core of outer jar inwall and interior tank wall, the inner and outer wall of supplying with ring sieve shape is interval with a plurality of ducts 371 of giving vent to anger respectively, sieve shape is supplied with the ring outer wall evaporation core of duct facing to outer jar inwall of giving vent to anger, sieve shape is supplied with the ring inwall evaporation core of duct facing to interior tank wall of giving vent to anger, diluent gas always passes through under the constant situation of flow between pressure compensation labyrinth ring and evaporation core, change the type of attachment between pressure compensation labyrinth ring and the medicinal liquid evaporation core into a plurality of pore passage structures of giving vent to anger, diluent gas is together contacted with medicinal liquid from a plurality of angles, can improve percolation intensity and mixing uniformity, and minimizing flow resistance, make mixing more abundant, accelerate evaporation rate, the output drug level is more stable.
But the operation principle accompanying drawings of the low dose of additional anesthesia evaporator of this utility model is as follows:
Anesthetics liquid (comprising enflurane, desflurane etc.), the administration mechanism 1 of packing into, flow to the low dose of anesthesia evaporator 3 that replenishes by anesthetics delivery tube 13, cooperate with front end 0-7% integer level anesthetic concentration controlling organization, after the low concentration high accuracy of carrying out rear end anesthetics gas 0.1-0.9% is replenished, become required concentration, from 312 outputs of anesthetics gas delivery port, enter the breathing pipeline, whole passage is totally-enclosed in the course of the work.
When the anesthetics gas that flows into by upper level anesthetic concentration controlling organization, only need the output of integer level, in the time of need not compensating, control valve 30 is closed, allow anesthetics gas directly export from anesthetics 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, after promptly the low concentration that replenishes is set, the anesthetics gas that is flowed into by upper level anesthetic concentration controlling organization then is divided into two parts, a part is supplied with ring 37 through pressure compensation labyrinth ring 36, sieve shape and is entered vaporization chamber 314 as carrier gas.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 when passing therebetween, the medicinal liquid on cotton thread surface is evaporated 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 is flowed into by upper level anesthetic 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 anesthetics gas delivery port 312 again and export.By volatilization replenishment control liquor strength 0.1-0.9%, realize the accurate control of the low concentration of anaesthetic concentration.Because narcotic evaporation is subjected to Temperature Influence, can compensate by 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 (7)
1. a low dose is replenished anesthesia evaporator, mechanism links to each other with the anesthetics administration, it is characterized in that: comprise that outer jar, interior jar, vaporization chamber, porous evaporation core, mixing chamber, bypass pipe, pressure compensation labyrinth ring, sieve shape are supplied with ring, flow-control awl and temperature compensator; Outer jar bottom links to each other with anesthetics administration mechanism, outer jar top is provided with anesthetics gas input port and anesthetics gas delivery port, outer jar centre is provided with the metal obstruct collar its inner chamber is separated into epicoele and cavity of resorption, cavity of resorption is formed for the vaporization chamber of ccontaining anesthetics, interior jar is erected in the middle of outer jar, interior jar bottom is provided with uncovered and is communicated with vaporization chamber, and interior jar top is passed the metal obstruct collar and stretched into intracavity; The porous evaporation core divides two layers of placement, is connected to outer jar of inwall and 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 by 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 the anesthetics gas delivery port by pipeline; The left end of bypass pipe links to each other with the anesthetics gas input port; The pressure compensation labyrinth ring is arranged on the top that metal intercepts the collar, and its upper end links to each other with the anesthetics gas input port by pipeline, and the lower end is supplied with ring by pipeline with sieve shape and linked to each other; Sieve shape 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; Supply with on the pipeline that ring links to each other pressure compensation labyrinth ring and sieve shape and to be provided with control valve.
2. low dose as claimed in claim 1 is replenished anesthesia evaporator, it is characterized in that: described pressure compensation labyrinth 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.
3. low dose as claimed in claim 1 is replenished anesthesia evaporator, it is characterized in that: it is jacket structured for cylindrical shape that described sieve shape is supplied with ring, and the inner and outer wall of supplying with ring sieve shape is interval with a plurality of ducts of giving vent to anger respectively.
4. low dose as claimed in claim 1 is replenished anesthesia evaporator, it is characterized in that: described porous evaporation core is the cotton thread fabric.
5. low dose as claimed in claim 1 is replenished anesthesia evaporator, 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.
6. low dose as claimed in claim 1 is replenished anesthesia evaporator, it is characterized in that: jar top is provided with and the adaptive pyramidal structure of flow-control awl in described.
7. low dose as claimed in claim 1 is replenished anesthesia evaporator, it is characterized in that: described administration mechanism comprises administration groove, anesthetics delivery tube and liquidometer; The anesthetics delivery tube is arranged on the bottom of administration groove, and the administration control valve is installed on the 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 low dose is replenished anesthesia evaporator and is linked to each other with the anesthetics delivery tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205981580U CN201855488U (en) | 2010-11-09 | 2010-11-09 | Small dose supplement anesthesia evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205981580U CN201855488U (en) | 2010-11-09 | 2010-11-09 | Small dose supplement anesthesia evaporator |
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| CN201855488U true CN201855488U (en) | 2011-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205981580U Expired - Fee Related CN201855488U (en) | 2010-11-09 | 2010-11-09 | Small dose supplement anesthesia evaporator |
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Cited By (7)
| 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 |
| CN104874072A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Evaporator for anesthesia apparatuses and anesthesia apparatus comprising same |
| CN109985299A (en) * | 2019-04-28 | 2019-07-09 | 丁正年 | A kind of type of respiration anesthesia evaporator |
| CN109985300A (en) * | 2019-04-28 | 2019-07-09 | 丁正年 | A kind of anesthesia respirator vaporising device |
| CN110541949A (en) * | 2019-10-09 | 2019-12-06 | 常州赛乐医疗技术有限公司 | Bulldoze formula anesthetic vaporizer cone valve |
| CN113521478A (en) * | 2021-07-29 | 2021-10-22 | 胡红萍 | Pressure stabilizing device of anesthetic vaporizer |
| CN114247024A (en) * | 2021-11-16 | 2022-03-29 | 河北谊安奥美医疗设备有限公司 | Porous evaporation device |
-
2010
- 2010-11-09 CN CN2010205981580U patent/CN201855488U/en not_active Expired - Fee Related
Cited By (11)
| 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 |
| CN104874072A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Evaporator for anesthesia apparatuses and anesthesia apparatus comprising same |
| CN104874072B (en) * | 2014-02-28 | 2018-07-06 | 北京谊安医疗系统股份有限公司 | For the evaporator of Anesthesia machine and with its Anesthesia machine |
| CN109985299A (en) * | 2019-04-28 | 2019-07-09 | 丁正年 | A kind of type of respiration anesthesia evaporator |
| CN109985300A (en) * | 2019-04-28 | 2019-07-09 | 丁正年 | A kind of anesthesia respirator vaporising device |
| CN109985299B (en) * | 2019-04-28 | 2021-04-09 | 丁正年 | Breathing type anesthetic vaporizer |
| CN109985300B (en) * | 2019-04-28 | 2021-06-08 | 刘书勇 | Evaporation device of anesthesia respirator |
| CN110541949A (en) * | 2019-10-09 | 2019-12-06 | 常州赛乐医疗技术有限公司 | Bulldoze formula anesthetic vaporizer cone valve |
| CN113521478A (en) * | 2021-07-29 | 2021-10-22 | 胡红萍 | Pressure stabilizing device of anesthetic vaporizer |
| CN114247024A (en) * | 2021-11-16 | 2022-03-29 | 河北谊安奥美医疗设备有限公司 | Porous evaporation device |
| CN114247024B (en) * | 2021-11-16 | 2024-03-19 | 河北谊安奥美医疗设备有限公司 | Porous evaporation device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110608 Termination date: 20111109 |