CN103800976B - Nitrous Oxide analgesia monitoring system - Google Patents
Nitrous Oxide analgesia monitoring system Download PDFInfo
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- CN103800976B CN103800976B CN201410078893.1A CN201410078893A CN103800976B CN 103800976 B CN103800976 B CN 103800976B CN 201410078893 A CN201410078893 A CN 201410078893A CN 103800976 B CN103800976 B CN 103800976B
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- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 title claims abstract description 444
- 230000036592 analgesia Effects 0.000 title claims abstract description 106
- 239000001272 nitrous oxide Substances 0.000 title claims abstract description 101
- 238000012544 monitoring process Methods 0.000 title claims abstract description 48
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 127
- 239000001301 oxygen Substances 0.000 claims abstract description 127
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 122
- 235000013842 nitrous oxide Nutrition 0.000 claims abstract description 121
- 239000007789 gas Substances 0.000 claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims description 6
- 239000002699 waste material Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 9
- 230000006870 function Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000006837 decompression Effects 0.000 description 6
- 229910001882 dioxygen Inorganic materials 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 206010067482 No adverse event Diseases 0.000 description 1
- 206010039897 Sedation Diseases 0.000 description 1
- 208000007271 Substance Withdrawal Syndrome Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003907 kidney function Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 230000003908 liver function Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000037324 pain perception Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000036280 sedation Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The invention discloses a kind of Nitrous Oxide analgesia monitoring system, cannot unified management be realized for solving existing separate unit Nitrous Oxide analgesia equipment, and waste the laughing gas/oxygen resource of hospital and the problem in space.This Nitrous Oxide analgesia monitoring system comprises: central air feed equipment, CSRC equipment and multiple Nitrous Oxide analgesia equipment, and wherein, described central air feed equipment comprises: for providing the laughing gas steel cylinder of laughing gas source of the gas and for providing the oxygen bottle of oxygen source; Each Nitrous Oxide analgesia equipment is connected with described central air feed equipment respectively, realizes analgesia for the laughing gas that provides according to described central air feed equipment and oxygen; Described CSRC equipment is connected respectively with described central air feed equipment and each Nitrous Oxide analgesia equipment, for monitoring the duty of described central air feed equipment and each Nitrous Oxide analgesia equipment.
Description
Technical field
The present invention relates to medical instruments field, be specifically related to a kind of Nitrous Oxide analgesia monitoring system.
Background technology
Along with Chinese society expanding economy, people require more and more higher for the comfort level in diagnosis and treatment process, and this has expedited the emergence of and has sucked the flourish of Nitrous Oxide analgesia technology, have occurred thus utilizing sucking laughing gas to make the Nitrous Oxide analgesia equipment of patient's calmness.Nitrous Oxide analgesia equipment independently sucks laughing gas/oxygen mixed gas by patient, when patient keeps Consciousness, plays suppression to the pain perception of human body.Wherein, laughing gas is also known as nitrous oxide, and being described as is safest inhalation anesthesia gas, and its induction period is short, and sedation effect is good, revives fast, have no adverse effects to breathing and Liver and kidney function after drug withdrawal.
But the research and development of existing Nitrous Oxide analgesia equipment, production and sell the stage still resting on separate unit, each Nitrous Oxide analgesia equipment works independently.When having multiple stage Nitrous Oxide analgesia equipment in hospital, cannot unified management be realized between each Nitrous Oxide analgesia equipment, being thus unfavorable for the management and maintenance of equipment.Meanwhile, in this fashion, need to provide the Medical airs such as laughing gas/oxygen to each Nitrous Oxide analgesia equipment independently, thus also result in the laughing gas/oxygen resource of hospital and the waste in space.
As can be seen here, in prior art, urgently a kind of new analgesia system solves the above-mentioned defect of traditional analgesia equipment.
Summary of the invention
The invention provides a kind of Nitrous Oxide analgesia monitoring system, cannot unified management be realized for solving existing separate unit Nitrous Oxide analgesia equipment, and waste the laughing gas/oxygen resource of hospital and the problem in space.
This Nitrous Oxide analgesia monitoring system comprises: central air feed equipment, CSRC equipment and multiple Nitrous Oxide analgesia equipment, and wherein, described central air feed equipment comprises: for providing the laughing gas steel cylinder of laughing gas source of the gas and for providing the oxygen bottle of oxygen source; Each Nitrous Oxide analgesia equipment is connected with described central air feed equipment respectively, realizes analgesia for the laughing gas that provides according to described central air feed equipment and oxygen; Described CSRC equipment is connected respectively with described central air feed equipment and each Nitrous Oxide analgesia equipment, for monitoring the duty of described central air feed equipment and each Nitrous Oxide analgesia equipment.
In above-mentioned Nitrous Oxide analgesia monitoring system, each Nitrous Oxide analgesia equipment all provides laughing gas/oxygen source by central air feed equipment is unified, achieve the unified management of Medical air, thus avoid owing to providing laughing gas/oxygen source to each Nitrous Oxide analgesia equipment independently in prior art, and the problem of the resource caused and space waste.And also comprise CSRC equipment in this Nitrous Oxide analgesia monitoring system, this CSRC equipment can monitor the confession gaseity of central air feed equipment, when bleed pressure exception or the source of the gas deficiency of central air feed equipment inside to each Nitrous Oxide analgesia equipment alarm; In addition, this CSRC equipment can also be monitored and record the duty of each Nitrous Oxide analgesia equipment, both improves medical safe thus, is convenient to again record and unified management the job information of each Nitrous Oxide analgesia equipment.
Accompanying drawing explanation
Fig. 1 shows the overall structure schematic diagram of Nitrous Oxide analgesia monitoring system provided by the invention;
Fig. 2 shows the structural representation of the Nitrous Oxide analgesia monitoring system that the specific embodiment of the invention provides;
Fig. 3 shows the structural representation of Nitrous Oxide analgesia device interior; And
Fig. 4 show when the first single chip machine controlling circuit and second singlechip control circuit each other redundant configuration time annexation schematic diagram.
Detailed description of the invention
For fully understanding the object of the present invention, feature and effect, by following concrete embodiment, the present invention is elaborated, but the present invention is not restricted to this.
The invention provides a kind of Nitrous Oxide analgesia monitoring system, existing separate unit Nitrous Oxide analgesia equipment can be solved and cannot realize unified management, and waste the laughing gas/oxygen resource of hospital and the problem in space.
Fig. 1 shows the overall structure schematic diagram of Nitrous Oxide analgesia monitoring system provided by the invention.As shown in Figure 1, this Nitrous Oxide analgesia monitoring system comprises: central air feed equipment 1, CSRC equipment 2 and multiple Nitrous Oxide analgesia equipment 3.Wherein, central air feed equipment 1 comprises: for providing the laughing gas steel cylinder 11 of laughing gas source of the gas and for providing the oxygen bottle 12 of oxygen source; Each Nitrous Oxide analgesia equipment 3 is connected with central air feed equipment 1 respectively, realizes analgesia for the laughing gas that provides according to central air feed equipment 1 and oxygen; CSRC equipment 2 is connected respectively with central air feed equipment 1 and each Nitrous Oxide analgesia equipment 3, for monitoring the duty of central air feed equipment 2 and each Nitrous Oxide analgesia equipment 3.
In above-mentioned Nitrous Oxide analgesia monitoring system, each Nitrous Oxide analgesia equipment all provides laughing gas/oxygen source by central air feed equipment is unified, achieve the unified management of Medical air, thus avoid owing to providing laughing gas/oxygen source to each Nitrous Oxide analgesia equipment independently in prior art, and the problem of the resource caused and space waste.And also comprise CSRC equipment in this Nitrous Oxide analgesia monitoring system, this CSRC equipment can monitor the confession gaseity of central air feed equipment, when bleed pressure exception or the source of the gas deficiency of central air feed equipment inside to each Nitrous Oxide analgesia equipment alarm; In addition, this CSRC equipment can also be monitored and record the duty of each Nitrous Oxide analgesia equipment, both improves medical safe thus, is convenient to again record and unified management the job information of each Nitrous Oxide analgesia equipment.
Structure and the operation principle of Nitrous Oxide analgesia monitoring system provided by the invention is introduced in detail below in conjunction with a specific embodiment.Fig. 2 shows the structural representation of the Nitrous Oxide analgesia monitoring system that the specific embodiment of the invention provides.
First, annexation between central air feed equipment and CSRC equipment and operation principle is introduced with reference to Fig. 2.
Particularly, central air feed equipment provides laughing gas by laughing gas steel cylinder 11, and provides oxygen by oxygen bottle 12.In addition, central air feed equipment also comprises further: the laughing gas air relief valve 14 being arranged on the output of laughing gas steel cylinder 11, carries out reduced pressure treatment in order to the laughing gas exported laughing gas steel cylinder, and the laughing gas air pressure exported to make laughing gas steel cylinder meets medical demand; Be arranged on the laughing gas pressure transducer 15 of the outfan of laughing gas air relief valve 14, in order to measure the pressure through the post-decompression laughing gas of laughing gas air relief valve, this laughing gas pressure transducer 15 is connected with CSRC equipment 2, so that by the pressure transmission of laughing gas that measures to CSRC equipment 2; Be arranged on the oxygen pressure reducing valve 13 of the output of oxygen bottle 12, carry out reduced pressure treatment in order to the oxygen exported oxygen bottle, the oxygen pneumatic exported to make oxygen bottle meets medical demand; Be arranged on the first oxygen pressure sensor 16 of the input of oxygen pressure reducing valve 13, in order to measure the pressure of the oxygen before oxygen pressure reducing valve decompression; Be arranged on the second oxygen pressure sensor 17 of the outfan of oxygen pressure reducing valve 13, in order to measure the pressure through the post-decompression oxygen of oxygen pressure reducing valve; Above-mentioned first oxygen pressure sensor 16 is connected with CSRC equipment 2 respectively with the second oxygen pressure sensor 17, so that by the pressure transmission of the oxygen before and after the decompression that measures to CSRC equipment 2.After caliber diameter involved in said process, decompression, the parameter such as air pressure, interface all meets " GB50751-2012 medical gas supply technology specification " requirement.In addition, this central air feed equipment also comprises further: the below being arranged on laughing gas steel cylinder 11, and in order to weigh the quantifier 18 of the quality of laughing gas steel cylinder 11, the outfan of this quantifier 18 is connected with the input of CSRC equipment 2 further.This quantifier 18 can be such as electronic scale.Each above-mentioned sensor and quantifier are all connected with CSRC equipment by standard serial port.
As can be seen here, CSRC equipment 2 can monitor the pressure of the pressure of the laughing gas that laughing gas steel cylinder exports after decompression, the oxygen of oxygen bottle decompression front and back output, and the quality of laughing gas steel cylinder.CSRC equipment 2, according to above-mentioned pressure information and quality information, just can determine the air pressure of the oxygen that central air feed equipment provides and laughing gas and the surplus of oxygen and laughing gas.Particularly, for laughing gas, the surplus laughing gas just can be inferred by the quality of monitoring laughing gas steel cylinder, in addition, can determine that whether the air pressure in laughing gas pipeline is normal by the pressure of monitoring laughing gas, can be implemented in laughing gas surplus thus not enough, and/or during laughing gas pressure abnormity, send the function of alarm to each Nitrous Oxide analgesia equipment.This point compared with prior art has significant progress: in the prior art, due to the particularity (compression laughing gas presents liquid/gas mixed state) of laughing gas itself, cause the surplus of laughing gas cannot be drawn by the current gas pressure of laughing gas, therefore, there is the difficult problem that cannot judge laughing gas surplus in prior art always.For oxygen, the surplus oxygen just can be inferred by the air pressure before and after the decompression of monitoring oxygen, can be implemented in thus oxygen surplus not enough time to send the function of alarm to each Nitrous Oxide analgesia equipment, in addition, by monitoring the pressure state of oxygen, alarm can be sent when oxygen pressure abnormal state (such as too high or too low), improve the safety of this monitoring system thus further.
Next, continue to introduce annexation between central air feed equipment and each Nitrous Oxide analgesia equipment and operation principle with reference to Fig. 2, and emphasis introduces the concrete structure of Nitrous Oxide analgesia equipment.
Each Nitrous Oxide analgesia equipment 3 is connected with the outfan of oxygen pressure reducing valve with laughing gas air relief valve respectively by two gas circuits, in order to receive post-decompression laughing gas and oxygen.Fig. 3 shows the structural representation of each Nitrous Oxide analgesia device interior.As can be seen from Figure 3, each Nitrous Oxide analgesia equipment 3 comprises further: for the gas and vapor permeation parts 31 laughing gas and oxygen being carried out mixing, and for circuit monitoring parts 32 that the gas pressure to gas and vapor permeation parts 31 inside, flow are monitored.
Particularly, gas and vapor permeation parts 31 design based on compressible fluid dynamics, and comprise further: for transmit the laughing gas that central air feed equipment provides laughing gas path 311, for transmitting the oxygen path 312 of the oxygen that central air feed equipment provides and the gas mixing chamber 313 for being carried out mixing by the oxygen in the laughing gas in laughing gas path and oxygen path, this gas mixing chamber 313 is connected with the outfan of oxygen path 312 respectively with the outfan of laughing gas path 311.
Circuit monitoring parts 32 comprise: the laughing gas pressure sensor 431 and the laughing gas flow sensor 421 that are arranged on laughing gas path 311 inside, are arranged on oxygen pressure sensor 432 and the oxygen flow sensor 422 of oxygen path 312 inside; And, be arranged on the laughing gas electromagnetic valve 411 of laughing gas path 311 output, be arranged on the oxygen electromagnetic valve 412 of oxygen path 312 output.Wherein, laughing gas pressure sensor 431 is connected by the outfan of gas circuit with laughing gas air relief valve 14, in order to realize the sensing of the laughing gas pressure of this Nitrous Oxide analgesia device interior; Laughing gas flow sensor 421 is connected with the outfan of laughing gas pressure sensor 431, in order to realize the sensing of the laughing gas flow of this Nitrous Oxide analgesia device interior.Oxygen pressure sensor 432 is connected by the outfan of gas circuit with oxygen pressure reducing valve 13, in order to realize the sensing of the oxygen pressure of this Nitrous Oxide analgesia device interior; Oxygen flow sensor 422 is connected with the outfan of oxygen pressure sensor 432, in order to realize the sensing of the oxygen flow of this Nitrous Oxide analgesia device interior.Laughing gas electromagnetic valve 411 is arranged on the outfan of laughing gas path and the junction of gas mixing chamber, can control the laughing gas amount entering gas mixing chamber; Oxygen electromagnetic valve 412 is arranged on the outfan of oxygen path and the junction of gas mixing chamber, can control the amount of oxygen entering gas mixing chamber.
In order to the sense data making full use of each sensor above-mentioned carrys out the state of Controlling solenoid valve, this circuit monitoring parts 32 inside also comprises the first single chip machine controlling circuit 462 further.This first single chip machine controlling circuit 462 is connected with the outfan of oxygen flow sensor 422 respectively with above-mentioned laughing gas pressure sensor 431, laughing gas flow sensor 421, oxygen pressure sensor 432, can receive pressure and data on flows that each sensor above-mentioned senses; Further, this first single chip machine controlling circuit 462 is also connected with oxygen electromagnetic valve 412 respectively with above-mentioned laughing gas electromagnetic valve 411, so that according to the pressure received and data on flows, controls the folding condition of laughing gas electromagnetic valve and oxygen electromagnetic valve.Such as, when the first single chip machine controlling circuit 462 monitors the pressure of laughing gas and/or flow is greater than default laughing gas secure threshold, laughing gas electromagnetic valve can be turned down, to reduce the laughing gas ratio of gas mixing chamber chamber interior; And/or, when the first single chip machine controlling circuit 462 monitors the pressure of oxygen and/or flow lower than the oxygen secure threshold preset, oxygen electromagnetic valve can be tuned up, to improve the oxygen proportion of gas mixing chamber chamber interior.
Owing to having strict lower limit requirement to the oxygen proportion that patient sucks in operation process.Such as, when the oxygen proportion that patient sucks is less than 30%, will constitute a threat to the life of patient.Therefore, the first above-mentioned single chip machine controlling circuit 462 can control the state of laughing gas electromagnetic valve and oxygen electromagnetic valve according to this practical situation, to guarantee that the amount of oxygen inputting gas mixing chamber is sufficient.
Further, in order to guarantee that the oxygen concentration of gas mixing chamber chamber interior meets requirements of operation better, as shown in Figure 3, these circuit monitoring parts 32 can further include the oxygen concentration sensor 44 being arranged on gas mixing chamber 313 inside, for the oxygen concentration of real-time sense gasses mixing chamber inside.Correspondingly, these circuit monitoring parts 32 comprise the second singlechip control circuit 461 of the sense data for receiving oxygen concentration sensor 44 further, and this second singlechip control circuit 461 is for controlling laughing gas electromagnetic valve 411 according to the sense data of oxygen concentration sensor 44.When second singlechip control circuit 461 determine the oxygen concentration of gas mixing chamber 313 inside lower than 30% time, then can directly close laughing gas electromagnetic valve 411, thus make gas mixing chamber only input oxygen at short notice, and do not input laughing gas, thus the oxygen concentration of rapid lift gas mixing chamber inside, to meet the breathing requirement of patient; Until after second singlechip control circuit 461 determines that the oxygen concentration of gas mixing chamber 313 inside is greater than 30%, just reopen laughing gas electromagnetic valve 411 and realize Nitrous Oxide analgesia function.
The above-mentioned functions of above-mentioned second singlechip control circuit 461 in fact also can directly be realized by the first single chip machine controlling circuit 462.In the present invention, why will arrange two independently single chip machine controlling circuits, be to improve safety further, prevents the single-chip microcomputer from breaking down.Preferably, the mode of redundant configuration can be adopted to realize between the first single chip machine controlling circuit 462 in the present invention and second singlechip control circuit 461, when the single chip machine controlling circuit of wherein breaks down, its correspondingly function can be realized by another single chip machine controlling circuit, thus guarantee the normal operation of whole equipment.Fig. 4 show when the first single chip machine controlling circuit 462 and second singlechip control circuit 461 each other redundant configuration time annexation schematic diagram.Particularly, the first single chip machine controlling circuit 462 and second singlechip control circuit 461 can adopt the chip microcontroller of same model, also can adopt the chip microcontroller of different model.Such as, the first single chip machine controlling circuit 462 and second singlechip control circuit 461 can be selected the single-chip microcomputer of the single-chip microcomputer of ARM kernel and 51 kernels to realize respectively, and each single-chip microcomputer all adopts independently clock signal.
The gas that can be realized Nitrous Oxide analgesia device interior by above-mentioned gas and vapor permeation parts 31 and circuit monitoring parts 32 is controlled, to meet medical demand.Further, in order to make can to realize information mutual communication between Nitrous Oxide analgesia equipment and CSRC equipment, as shown in Figure 3, in the inside of each Nitrous Oxide analgesia equipment, also comprise further: the wireless communication module 45(such as wifi module be connected with the first single chip machine controlling circuit), surgical data information for being collected in operation process by the first single chip machine controlling circuit (is such as performed the operation the beginning and ending time, laughing gas/the oxygen concentration of gas mixing chamber chamber interior, the information such as the laughing gas/oxygen flow of gas mixing chamber chamber interior) be uploaded to CSRC equipment, so that CSRC equipment can monitor the consumption of the oxygen/laughing gas in operation used time of each Nitrous Oxide analgesia equipment and operation process in real time.In addition, CSRC equipment can also when the abnormal state of central air feed equipment (as oxygen/laughing gas surplus is not enough), information is sent to Nitrous Oxide analgesia equipment by wireless communication module 45, with the state making each Nitrous Oxide analgesia equipment understand central air feed equipment in time, thus adjustment operation process.In order to realize said process, can also increase wireless router 6 further in the structure shown in Fig. 2, now, CSRC equipment 2 can pass through this wireless router 6 to each Nitrous Oxide analgesia equipment 3 broadcast message, to improve information transfer efficiency.Here, because each Nitrous Oxide analgesia equipment 3 adopts wireless communication mode, thus avoid and the network electrical signal in the circuit monitoring parts of Nitrous Oxide analgesia device interior and the central supplying air pipe in gas hydrid component are arranged in same equipment belt, thus avoid the potential safety hazard that air feed catches fire largely, add the reliability of system.
In addition, as shown in Figure 3, each Nitrous Oxide analgesia equipment can also be provided with Man Machine Interface 47(HMI further), carry out necessary setting for user; And alarm 48, for reporting to the police when occurring abnormal.In addition, the sensor in each Nitrous Oxide analgesia equipment and single-chip microcomputer etc. all adopt Miniaturization Design, make whole Nitrous Oxide analgesia equipment can hang on above the equipment belt of patient care equipment, or are embedded in patient care device interior, such as, in tooth chair.Thus both saved clinic space, facilitate again doctor to operate.
In addition, Nitrous Oxide analgesia monitoring system in the present invention can further include hospital information management system (HIS) (not shown) be connected with wireless router 6, this hospital information management system realizes by the management software arranged on the server, oxygen/laughing gas consumption to hospital internal can be realized by this hospital information management system, oxygen/laughing gas surplus adds up, and determine consumptive material and the cost information of each operation according to statistical result, thus facilitate the electronic management of hospital.In addition, this hospital information management system both can be set to independently parts, and was communicated with CSRC equipment by wireless or wired mode; Or, also this hospital information management system can be integrated in CSRC device interior, directly realize by CSRC equipment the unified management function that this hospital information management system possesses.
In sum, Nitrous Oxide analgesia monitoring system provided by the invention realizes based on Internet of Things, and it is maximum supports 127 nodes, namely can support the work of 127 Nitrous Oxide analgesia equipment simultaneously, substantially exceed the conventional requirement of the department of stomatology or day surgery room.Further, based on WIFI data communication between CSRC equipment wherein and each Nitrous Oxide analgesia equipment, thus not by the restriction of physical location, whole system is with good expansibility.
And, safeguard due to each Nitrous Oxide analgesia equipment unified management, thus saved management maintenance cost, and unified allocation of resources can have been carried out to the oxygen of hospital internal/laughing gas source of the gas, thus avoid the phenomenons such as source of the gas waste.The state of each Nitrous Oxide analgesia device node, use information, by the information management of networking, are focused on hospital information management system by this system, convenient management of seeking medical advice to patient and charging.The functions such as gas collection source control of the present invention, operation valuation charge and device status monitoring, in one, meet modern hospital for the demand of building based on the comfortableization medical environment of Nitrous Oxide analgesia.
In addition, in Nitrous Oxide analgesia equipment of the present invention, by flow sensor, single-chip microcomputer, electromagnetic valve composition closed-loop control system, the mixed gas flow set and laughing gas concentration are controlled in real time.Further, by the oxygen concentration sensor based on electrochemical principle, Real-Time Monitoring and display are carried out to the oxygen concentration in mist.Judge that whether the mist exported is normal by the sampled value of oxygen concentration sensor.Wherein, flow sensor and pressure sensor are all based on MEMS technology, and it has volume feature little, low in energy consumption; Electromagnetic valve adopts small size, high flow capacity electromagnetic proportional valve, and compared with manual adjustments mode, the high accuracy that can realize flow controls.
Although it will be understood by those skilled in the art that in above-mentioned explanation, for ease of understanding, succession be have employed to the step of method and describe, it should be pointed out that the order for above-mentioned steps does not do strict restriction.
One of ordinary skill in the art will appreciate that all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program has come, this program can be stored in a computer read/write memory medium, as: ROM/RAM, magnetic disc, CD etc.
Will also be appreciated that the apparatus structure shown in accompanying drawing or embodiment is only schematic, presentation logic structure.Module wherein as separating component display may or may not be physically separate, and the parts as module display may be or may not be physical modules.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (7)
1. a Nitrous Oxide analgesia monitoring system, is characterized in that, comprising: central air feed equipment, CSRC equipment and multiple Nitrous Oxide analgesia equipment, wherein,
Described central air feed equipment comprises: for providing the laughing gas steel cylinder of laughing gas source of the gas and for providing the oxygen bottle of oxygen source;
Each Nitrous Oxide analgesia equipment is connected with described central air feed equipment respectively, realizes analgesia for the laughing gas that provides according to described central air feed equipment and oxygen;
Described CSRC equipment is connected respectively with described central air feed equipment and each Nitrous Oxide analgesia equipment, for monitoring the duty of described central air feed equipment and each Nitrous Oxide analgesia equipment;
Wherein, each Nitrous Oxide analgesia equipment comprises further: for gas and vapor permeation parts laughing gas and oxygen being carried out mixing, and for circuit monitoring parts that the gas pressure to described gas and vapor permeation components interior, flow are monitored;
Described gas and vapor permeation parts comprise further:
For receiving the laughing gas path of laughing gas from central air feed equipment;
For receiving the oxygen path of oxygen from central air feed equipment; And
The gas mixing chamber be connected respectively with the outfan of described oxygen path with the outfan of described laughing gas path;
Described circuit monitoring parts comprise further:
Be arranged on laughing gas pressure sensor and the laughing gas flow sensor of described laughing gas path inside, be arranged on oxygen pressure sensor and the oxygen flow sensor of described oxygen path inside; Be arranged on the laughing gas electromagnetic valve at described laughing gas path output place, be arranged on the oxygen electromagnetic valve at described oxygen path output place;
First single chip machine controlling circuit, for the Output rusults according to described laughing gas pressure sensor, oxygen pressure sensor, laughing gas flow sensor and oxygen flow sensor, controls the folding condition of described laughing gas electromagnetic valve and/or described oxygen electromagnetic valve.
2. Nitrous Oxide analgesia monitoring system as claimed in claim 1, it is characterized in that, described central air feed equipment comprises further:
Be arranged on the laughing gas air relief valve of the output of described laughing gas steel cylinder, and be arranged on the laughing gas pressure transducer of outfan of described laughing gas air relief valve; And,
Be arranged on the oxygen pressure reducing valve of the output of described oxygen bottle, and be separately positioned on the first oxygen pressure sensor and the second oxygen pressure sensor of the input of described oxygen pressure reducing valve and the outfan of described oxygen pressure reducing valve;
Wherein, each Nitrous Oxide analgesia equipment is connected with described central air feed equipment by described laughing gas air relief valve and described oxygen pressure reducing valve, and described laughing gas pressure transducer, the first oxygen pressure sensor are connected with the input of described CSRC equipment further with the outfan of the second oxygen pressure sensor.
3. Nitrous Oxide analgesia monitoring system as claimed in claim 2, it is characterized in that, described central air feed equipment comprises further: be arranged on below described laughing gas steel cylinder, in order to weigh the quantifier of described laughing gas steel cylinder quality, the outfan of described quantifier is connected with the input of described CSRC equipment further.
4. Nitrous Oxide analgesia monitoring system as claimed in claim 1, it is characterized in that, described circuit monitoring parts comprise further:
Oxygen concentration sensor, it is arranged on described gas mixing chamber chamber interior; And,
Second singlechip control circuit, for when the Output rusults of described oxygen concentration sensor is lower than predetermined threshold value, cuts out described laughing gas electromagnetic valve.
5. Nitrous Oxide analgesia monitoring system as claimed in claim 4, it is characterized in that, described first single chip machine controlling circuit and described second singlechip control circuit redundant configuration each other, and described first single chip machine controlling circuit and/or described second singlechip control circuit are ARM kernel or 51 kernels.
6. Nitrous Oxide analgesia monitoring system as claimed in claim 1, it is characterized in that, each Nitrous Oxide analgesia equipment hangs on above each patient care equipment, or each Nitrous Oxide analgesia equipment embeds each patient care device interior.
7. Nitrous Oxide analgesia monitoring system as claimed in claim 1, be is characterized in that, be connected between each Nitrous Oxide analgesia equipment with described CSRC equipment by wireless communication mode.
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| CN102139133B (en) * | 2010-02-01 | 2015-09-23 | 深圳迈瑞生物医疗电子股份有限公司 | A kind of gas and vapor permeation method in anesthesiaing system and anesthesiaing system |
| CN102908706B (en) * | 2011-08-01 | 2017-07-11 | 深圳迈瑞生物医疗电子股份有限公司 | Electronic flow watch-dog, control method and Anesthesia machine |
| CN103330984A (en) * | 2013-07-01 | 2013-10-02 | 中国人民解放军第三军医大学第一附属医院 | Volatile anesthetic dosage monitoring system and method for realizing same |
| CN204017072U (en) * | 2014-03-05 | 2014-12-17 | 杭州圣王医疗设备有限公司 | Laughing gas analgesia monitoring system |
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2014
- 2014-03-05 CN CN201410078893.1A patent/CN103800976B/en active Active
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Denomination of invention: Laughing gas analgesic monitoring system Granted publication date: 20160323 Pledgee: Agricultural Bank of China Limited Hangzhou Yuhang Branch Pledgor: HANGZHOU SUNKINGS MEDICAL EQUIPMENT Co.,Ltd. Registration number: Y2024980009898 |