CN114392448B

CN114392448B - A circulation close-up anesthesia machine for anesthesia branch of academic or vocational study

Info

Publication number: CN114392448B
Application number: CN202210069142.8A
Authority: CN
Inventors: 孙前闯; 崔云凤; 刘姝妍
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2023-07-21
Anticipated expiration: 2042-01-21
Also published as: CN114392448A

Abstract

The invention relates to the technical field of anesthesia equipment and discloses a circulating closed type anesthesia machine for anesthesia department, which comprises an outer barrel, wherein a heating seat is fixedly arranged at the bottom of the outer barrel, an air inlet is formed in the top of the left side of the outer barrel, an air guide channel is formed in the top of the outer barrel, an air outlet is formed in the right side of the top of the outer barrel, the air inlet is communicated with the air outlet through the air guide channel, an evaporation chamber is movably arranged inside the outer barrel and above the evaporation chamber, a liquid adding pipe is fixedly communicated with the back of the evaporation chamber, and an inner barrel is movably sleeved at the top of the evaporation chamber. Through electromagnetic means I and the setting of pushing down the stopper for utilize electromagnetic means I to pushing down the appeal of magnet in the stopper down, adjust the pressure of pushing down the stopper to anesthetic vapor, and then adjust anesthetic vapor's concentration, make anesthetic vapor reach behind the certain concentration, mix with the carrier gas again, guarantee anesthetic vapor's concentration in the carrier gas, so that strengthen the accurate control to the anesthesia process.

Description

A circulation close-up anesthesia machine for anesthesia branch of academic or vocational study

Technical Field

The invention relates to the technical field of anesthesia equipment, in particular to a circulating closed anesthesia machine for anesthesia department.

Background

The circulation closed anesthesia machine is characterized in that low-flow anesthesia mixed gas is supplied to a patient through one-way flow of an escape valve (door), and exhaled gas enters CO through the expiration valve ₂ The absorber is reused, and the structure of the absorber mainly comprises an oxygen supply device, a nitrous oxide device, a gas flowmeter, an evaporator and CO ₂ The device comprises an absorber, a one-way valve, a breathing pipeline, a gas escape valve, a gas storage bag and the like, wherein the basic principle of a volatilization tank is that anesthetic drugs are changed into evaporating gases by utilizing the change of the temperature and a heat source of the surrounding environment, and saturated anesthetic gases are carried away by a part of gases to become anesthetic vapors and gas flows with certain concentration, and the anesthetic vapors and the gas flows directly enter an anesthetic circuit, but the existing volatilization tank has some defects:

firstly, after the carrier gas enters the volatilization tank, the carrier gas is divided into two parts, one part of the carrier gas is mixed with the anesthetic vapor and brings the anesthetic vapor out, but the distribution of the two parts of carrier gas is not precisely controlled, if the proportion of the carrier gas carrying the anesthetic gas is overlarge, the amount of the anesthetic vapor carried out at the same time is overlarge if the carrier gas is too strong, so that risks occur in the subsequent use process, and meanwhile, the carrier gas absorbs heat energy in the process of evaporating the anesthetic, so that the liquid temperature is reduced, the anesthetic vapor output is reduced, the concentration is insufficient, and the subsequent anesthetic effect is reduced.

Disclosure of Invention

The invention provides a circulation closed type anesthesia machine for anesthesia department, which has the advantages of high precision and good regulation and control performance on anesthetic vapor, and solves the problems in the background technology.

The invention provides the following technical scheme: the utility model provides a circulation tight anesthesia machine for anesthesia branch of academic or vocational study, includes the urceolus, the bottom fixed mounting of urceolus has the heating seat, the air inlet has been seted up at the left side top of urceolus, air duct has been seted up at the top of urceolus, the gas outlet has been seted up on the top right side of urceolus, the air inlet passes through air duct and gas outlet intercommunication, the inside of urceolus and the top movable mounting that is located the evaporating chamber have the evaporating chamber, the back fixed intercommunication of evaporating chamber has the liquid feeding pipe, the top movable sleeve of evaporating chamber has the inner tube, inner tube and urceolus fixed connection, the inside movable sleeve of inner tube has pressed the stopper down, the inner chamber top fixed mounting of inner tube has electromagnetic means I, the inside fixed mounting of pressing the stopper has magnet down, the steam outlet has evenly been seted up to the left portion of inner tube, the inside of urceolus and the top movable mounting that is located the inner tube has the seat, the arc pore has been seted up to the inside of seat, the upper surface fixedly connected with tension spring of mount, the top fixed mounting of urceolus has sealing device, sealing device's inside movable connection has the tension bar under the pressure bar.

Preferably, the outside fixed mounting of inner tube has well sleeve, well telescopic inner chamber top fixed mounting has electromagnetic means II, well telescopic left side bottom has seted up the carrier gas import, well telescopic right side top and be located electromagnetic means II's below and have seted up the gas mixture export, well telescopic inside activity has cup jointed the stirring ring, the side of inner tube and well sleeve are made by the copper.

Preferably, the bottom symmetry fixedly connected with wire rope of stirring ring, two wire rope's bottom respectively with the center fixed connection in the front and the back of evaporating chamber, the last activity cup joint of wire rope is supported and is pushed away the spring, support the both ends that push away the spring respectively with evaporating chamber and well sleeve fixed connection.

Preferably, the electromagnetic device III is fixedly arranged in the shutoff seat, and the cross-sectional area of the top end of the arc-shaped duct of the shutoff seat is half of the cross-sectional area of the left end of the air guide channel.

The invention has the following beneficial effects:

1. through electromagnetic means I and the setting of pushing down the stopper for utilize electromagnetic means I to pushing down the appeal of magnet in the stopper down, adjust down the stopper to the pressure of anesthetic vapor, and then adjust the concentration of anesthetic vapor, make anesthetic vapor reach behind the certain concentration, mix with the carrier gas again, ensure the concentration of anesthetic vapor in the carrier gas, so as to strengthen the accurate control to the anesthesia process, simultaneously, through electromagnetic means III and the setting of the arc pore in the seat that dams, make the magnetic force of electromagnetic means I big more, then the pressure of pushing down the stopper to anesthetic vapor is less, then the overflow concentration of anesthetic vapor is then less, simultaneously, the height of the arc pore is less to the interception of carrier gas, synchronous control simultaneously, the ratio when two mix of accurate control carrying anesthetic vapor and anesthetic vapor, the concentration accuracy of anesthetic vapor in the guarantee follow-up anesthesia return circuit, the effect when further improving anesthesia.

2. Through electromagnetic means II and stirring ring's setting for in the carrier gas by arc pore path is got into the sleeve from the carrier gas import, meet the back with the anesthetic vapor that overflows from the steam export, the stirring ring mixes the stirring in telescopic inside from top to bottom in the middle, strengthen the mixed degree of carrier gas and anesthetic vapor, in order that the carrier gas can evenly carry anesthetic vapor and pass through the gas mixture export and transmit the gas outlet, strengthen the mixed degree, improve the accuracy of anesthetic vapor at the mixed gas concentration, simultaneously, through wire rope and the setting of pushing against the spring, make the lift that utilizes the stirring ring drive the evaporation chamber and rotate in the inside of urceolus and rock, effectively guarantee the heated uniformity of anesthetic liquid, accelerate the precipitation rate of anesthetic vapor, and then guarantee the overflow concentration of anesthetic vapor.

Drawings

FIG. 1 is a schematic elevational view of the structure of the present invention;

FIG. 2 is a schematic top view of the outer cylinder and closure seat assembly of the present invention;

FIG. 3 is a schematic top view of the inner barrel and vapor outlet assembly of the present invention;

fig. 4 is a schematic top view of the installation of the steel wire rope and the pushing spring of the structure of the invention.

In the figure: 1. an outer cylinder; 2. an air inlet; 3. an air guide channel; 4. an air outlet; 5. an evaporation chamber; 6. a liquid adding tube; 7. a heating seat; 8. an inner cylinder; 9. pressing down the plug; 10. a vapor outlet; 11. an electromagnetic device I; 12. a middle sleeve; 13. a carrier gas inlet; 14. a mixed gas outlet; 15. a stirring ring; 16. an electromagnetic device II; 17. a shutoff seat; 18. a tension spring; 19. a sealing device; 20. pressing down the positioning rod; 21. an electromagnetic device III; 22. a wire rope; 23. pushing against the spring.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-2, a circulation closed anesthesia machine for anesthesia department comprises an outer barrel 1, a heating seat 7 is fixedly arranged at the bottom of the outer barrel 1, an air inlet 2 is arranged at the top of the left side of the outer barrel 1, an air guide channel 3 is arranged at the top of the outer barrel 1, an air outlet 4 is arranged at the right side of the top of the outer barrel 1, the air inlet 2 is communicated with the air outlet 4 through the air guide channel 3, an evaporation chamber 5 is movably arranged in the outer barrel 1 and above the evaporation chamber 5, a liquid adding pipe 6 is fixedly communicated with the back of the evaporation chamber 5, an inner barrel 8 is movably sleeved at the top of the evaporation chamber 5, the inner barrel 8 is fixedly connected with the outer barrel 1, a pressing plug 9 is movably sleeved in the inner barrel 8, an electromagnetic device I11 is fixedly arranged at the top of the inner cavity of the inner barrel 8, a magnet is fixedly arranged in the pressing plug 9, a steam outlet 10 is uniformly arranged at the left part of the inner barrel 8, a shutoff seat 17 is movably arranged in the outer cylinder 1 and above the inner cylinder 8, an arc-shaped pore canal is formed in the shutoff seat 17, a tension spring 18 is fixedly connected to the upper surface of the shutoff seat 17, a sealing device 19 is fixedly arranged at the top of the outer cylinder 1, a pressing positioning rod 20 is movably connected to the inside of the sealing device 19, the top end of the tension spring 18 is fixedly connected with the bottom of the sealing device 19, the height of the bottom end of the pressing positioning rod 20 is adjusted, the shutoff seat 17 is lifted under the pulling of the tension spring 18, the arc-shaped pore canal is utilized to intercept carrier gas entering the air guide channel 3, a part of carrier gas enters the bottom of the inner cavity of the outer cylinder 1 through the arc-shaped pore canal, meanwhile, an electromagnetic device I11 is electrified, a certain current is set, the electromagnetic device I11 generates a certain suction force to the magnet inside the pressing plug 9, but the suction force is smaller than the gravity of the pressing plug 9, then the heating seat 7 heats the anesthetic liquid in the evaporating chamber 5 to generate anesthetic vapor, the vapor presses the down plug 9 upwards, then overflows outwards from the vapor outlet 10, is mixed with the carrier gas, is carried outwards by the carrier gas, enters an anesthetic circuit, and adjusts the pressure of the down plug 9 on the anesthetic vapor by utilizing the attraction of the electromagnetic device I11 on the magnet in the down plug 9 so as to adjust the concentration of the anesthetic vapor, so that the anesthetic vapor reaches a certain concentration, and then is mixed with the carrier gas to ensure the concentration of the anesthetic vapor in the carrier gas, thereby being convenient for enhancing the accurate control of the anesthetic process;

referring to fig. 3-4, a middle sleeve 12 is fixedly installed outside the inner cylinder 8, an electromagnetic device ii 16 is fixedly installed at the top of an inner cavity of the middle sleeve 12, a carrier gas inlet 13 is formed at the bottom of the left side of the middle sleeve 12, a mixed gas outlet 14 is formed at the top of the right side of the middle sleeve 12 and below the electromagnetic device ii 16, a stirring ring 15 is movably sleeved inside the middle sleeve 12, the side edge of the inner cylinder 8 and the middle sleeve 12 are made of copper plates, carrier gas intercepted by an arc-shaped pore canal enters the middle sleeve 12 from the carrier gas inlet 13 and meets anesthetic vapor overflowed from the vapor outlet 10, then the electromagnetic device ii 16 is electrified at intervals, so that the electromagnetic device ii 16 attracts the stirring ring 15, the stirring ring 15 reciprocates up and down inside the middle sleeve 12, the carrier gas and the anesthetic vapor are mixed and stirred, the mixing degree of the carrier gas and the anesthetic vapor is enhanced, so that the carrier gas can be uniformly carried into the air outlet 4 through the mixed gas outlet 14, the mixing degree is enhanced, and the concentration accuracy of the anesthetic vapor in the mixed gas is improved; the bottom of the stirring ring 15 is symmetrically and fixedly connected with steel wire ropes 22, the bottom ends of the two steel wire ropes 22 are respectively and fixedly connected with the centers of the front surface and the back surface of the evaporation chamber 5, a pushing spring 23 is movably sleeved on the steel wire ropes 22, the two ends of the pushing spring 23 are respectively and fixedly connected with the evaporation chamber 5 and the middle sleeve 12, when the stirring ring 15 moves up and down, the steel wire ropes 22 are pulled to ascend, the two steel wire ropes 22 further pull the evaporation chamber 5 to rotate at a certain angle, when the stirring ring 15 descends, the evaporation chamber 5 is pushed to rotate under the action of the pushing spring 23, so that the evaporation chamber 5 rotates and shakes in the outer cylinder 1, the heating uniformity of anesthetic liquid is effectively ensured, the precipitation rate of anesthetic vapor is accelerated, and the overflow concentration of anesthetic vapor is further ensured; the electromagnetic device III 21 is fixedly arranged in the intercepting seat 17, the cross-sectional area of the top end of the arc-shaped pore canal of the intercepting seat 17 is half of the cross-sectional area of the left end of the air guide channel 3, when the concentration of anesthetic vapor in an anesthetic circuit needs to be regulated, the electromagnetic device I11 is electrified to the electromagnetic device III 21 at the same time, then the downward-pressing positioning rod 20 is rotated and lifted, the bottom end of the downward-pressing positioning rod is not contacted with the intercepting seat 17, the electromagnetic device I11 attracts the downward-pressing plug 9, meanwhile, the downward-pressing plug 9 is regulated to regulate the downward pressure of the anesthetic vapor and the height of the intercepting seat 17, the magnetic force of the electromagnetic device I11 is larger, the downward-pressing plug 9 is smaller in pressure of the anesthetic vapor, the overflow concentration of the anesthetic vapor is smaller, meanwhile, the height of the intercepting seat 17 is smaller, synchronous control is carried by the arc-shaped pore canal, the proportion of part of the carrier gas and the anesthetic vapor is not contacted with the intercepting seat 17, the concentration of the anesthetic vapor in the anesthetic circuit is accurately controlled, and the effect of the anesthetic vapor in the anesthetic circuit is improved is ensured.

The working principle is that the height of the bottom end of the pressing-down positioning rod 20 is adjusted, so that the intercepting seat 17 ascends under the pulling of the tension spring 18, the arc-shaped pore canal is utilized to intercept the carrier gas entering the air guide channel 3, a part of the carrier gas enters the bottom of the inner cavity of the outer cylinder 1 through the arc-shaped pore canal and then enters the middle sleeve 12, meanwhile, the electromagnetic device I11 is electrified, and a certain current is set, so that the electromagnetic device I11 generates a certain suction force to the magnet inside the pressing-down plug 9, but the suction force is smaller than the gravity of the pressing-down plug 9, then the heating seat 7 heats anesthetic liquid in the evaporating chamber 5 to generate anesthetic vapor, the vapor presses the pressing-down plug 9 upwards, and then overflows outwards from the vapor outlet 10, after being mixed with carrier gas, the carrier gas is carried outwards, the carrier gas sequentially enters an anesthesia loop through a mixed gas outlet 14 and an air outlet 4, in the process, an electromagnetic device II 16 is electrified at intervals, so that the electromagnetic device II 16 attracts a stirring ring 15, the stirring ring 15 reciprocates up and down in the middle sleeve 12, the carrier gas and anesthetic vapor are mixed and stirred, when the stirring ring 15 moves up and down, a steel wire rope 22 is pulled to ascend, then the two steel wire ropes 22 pull an evaporation chamber 5 to rotate at a certain angle, and when the stirring ring 15 descends, the evaporation chamber 5 is propped against to rotate under the action of a propping spring 23, and then the evaporation chamber 5 rotates and shakes in the outer cylinder 1;

when the concentration of anesthetic vapor in the anesthetic circuit needs to be adjusted, the electromagnetic device I11 is electrified to the electromagnetic device III 21 at the same time, then, the pressing positioning rod 20 is rotated and lifted, the bottom end of the pressing positioning rod is not contacted with the intercepting seat 17, the electromagnetic device I11 attracts the pressing plug 9, meanwhile, the electromagnetic device III 21 is also attracted, the pressing plug 9 is adjusted to adjust the pressing force of the anesthetic vapor and the height of the intercepting seat 17, the magnetic force of the electromagnetic device I11 is larger, the pressing plug 9 is smaller in pressure of the anesthetic vapor, the overflow concentration of the anesthetic vapor is smaller, the height of the intercepting seat 17 is smaller, and the intercepting of the arc-shaped pore canal to the carrier gas is smaller, so that synchronous control is performed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a circulation close-up anesthesia machine for anesthesia branch of academic or vocational study, includes urceolus (1), the bottom fixed mounting of urceolus (1) has heating seat (7), its characterized in that: air inlet (2) have been seted up at the left side top of urceolus (1), air guide channel (3) have been seted up at the top of urceolus (1), gas outlet (4) have been seted up on the top right side of urceolus (1), air inlet (2) are through air guide channel (3) and gas outlet (4) intercommunication, the inside of urceolus (1) and the top movable mounting that is located evaporation chamber (5) have evaporation chamber (5), the fixed intercommunication in back of evaporation chamber (5) has liquid feeding pipe (6), the top activity of evaporation chamber (5) has cup jointed inner tube (8), inner tube (8) and urceolus (1) fixed connection, the inside activity of inner tube (8) has cup jointed down pressure stopper (9), electromagnetic device I (11) are fixedly installed at the inner chamber top of inner tube (8), the inside fixed mounting of pressure stopper (9) has magnet, vapor outlet (10) have evenly been seted up at the left portion of inner tube (8), the inside of urceolus (1) and the top movable mounting that is located inner tube (8) has liquid feeding pipe (17), closure seat (17) have, closure seat (17) are connected with fixed surface of arch-shaped, closure seat (17) are connected, closure seat (17) are fixed on the fixed surface of closure seat (19), the inside of the sealing device (19) is movably connected with a pressing positioning rod (20), and the top end of the tension spring (18) is fixedly connected with the bottom of the sealing device (19);

the device is characterized in that a middle sleeve (12) is fixedly arranged outside the inner barrel (8), an electromagnetic device II (16) is fixedly arranged at the top of an inner cavity of the middle sleeve (12), a carrier gas inlet (13) is formed in the bottom of the left side of the middle sleeve (12), a mixed gas outlet (14) is formed in the top of the right side of the middle sleeve (12) and below the electromagnetic device II (16), a stirring ring (15) is movably sleeved in the middle sleeve (12), and the side edge of the inner barrel (8) and the middle sleeve (12) are made of copper plates;

the bottom of the stirring ring (15) is symmetrically and fixedly connected with steel wire ropes (22), the bottom ends of the two steel wire ropes (22) are respectively and fixedly connected with the centers of the front surface and the back surface of the evaporation chamber (5), a pushing spring (23) is movably sleeved on the steel wire ropes (22), and two ends of the pushing spring (23) are respectively and fixedly connected with the evaporation chamber (5) and the middle sleeve (12);

an electromagnetic device III (21) is fixedly arranged in the intercepting seat (17), and the cross-sectional area of the top end of the arc-shaped duct of the intercepting seat (17) is half of the cross-sectional area of the left end of the air guide channel (3).