CN1248750C - Intelligent pain easing machine - Google Patents
Intelligent pain easing machine Download PDFInfo
- Publication number
- CN1248750C CN1248750C CN 02134860 CN02134860A CN1248750C CN 1248750 C CN1248750 C CN 1248750C CN 02134860 CN02134860 CN 02134860 CN 02134860 A CN02134860 A CN 02134860A CN 1248750 C CN1248750 C CN 1248750C
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- Prior art keywords
- gas
- control module
- valve
- oxygen
- circuit control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000036407 pain Effects 0.000 title claims abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 94
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000001301 oxygen Substances 0.000 claims abstract description 39
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 38
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 20
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims description 58
- 235000013842 nitrous oxide Nutrition 0.000 claims description 29
- 238000009434 installation Methods 0.000 claims description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 12
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
- 239000001569 carbon dioxide Substances 0.000 claims description 6
- 239000008246 gaseous mixture Substances 0.000 claims description 4
- 230000000638 stimulation Effects 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000036592 analgesia Effects 0.000 abstract description 11
- 230000000202 analgesic effect Effects 0.000 abstract description 5
- 206010028980 Neoplasm Diseases 0.000 abstract description 3
- 206010000210 abortion Diseases 0.000 abstract description 3
- 231100000176 abortion Toxicity 0.000 abstract description 3
- 201000011510 cancer Diseases 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000006096 absorbing agent Substances 0.000 abstract 1
- 230000032696 parturition Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 5
- 206010002091 Anaesthesia Diseases 0.000 description 3
- 230000037005 anaesthesia Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 206010021718 Induced labour Diseases 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000035606 childbirth Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000035479 physiological effects, processes and functions Effects 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003994 anesthetic gas Substances 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000027734 detection of oxygen Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002690 local anesthesia Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000008058 pain sensation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000036391 respiratory frequency Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
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- Respiratory Apparatuses And Protective Means (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The present invention relates to a medical intelligent analgesic machine which comprises an oxygen source, a giggle gas source, a gas path control module, a breathing loop, a C02 adsorber and an electrical control device, wherein the oxygen source and the giggle gas source are respectively connected to two inlets of the gas path control module. A mixed gas outlet and a patient exhaled gas inlet of the gas path control module are connected to the breathing loop through pipe passages, the patient exhaled gas outlet of the module is connected to the CO2 absorber, and after being adsorbed, useful gas returns to a mixed gas passage through a corresponding inlet; an electrode sensor and a stimulator are respectively connected to corresponding ports of the control device which regulates the mixture ratio of oxygen and giggle gas in a real time mode through the gas path control module according to the change of physiological parameters for controlling the transportation of the mixed gas to the breathing loop. The present invention adopts the original confluence gas path control module with multiple passages, and has the advantages of convenient use, reliable running, safety and energy saving. The present invention can be used for the clinic and the home care of induced abortion, dental operations, parturition odinopoeia, pain alleviation after operations, cancer analgesia, etc.
Description
Technical field
The present invention relates to medical analgesia equipment, particularly a kind ofly have accurate gas circuit structure, based on the medical pain easing machine of the computer control of fuzzy closed loop theory.
Background technology
In artificial abortion, dental operation, childbirth induced labor, postoperative analgesia, cancer analgesia etc. in the clinical and home care, pain relieving modes such as main employing is taken medicine, injection, local anesthesia, not only there is the timeliness problem in these pain relieving modes, and analgesic effect is uncertain, and medication sequela and taboo are arranged.
Analgesia pump of Chu Xianing and anesthesia inhaler are used by patient oneself in the market, do not have the detection alarm function, are difficult to guarantee the safety and the reliability of its use, and have deficiencies such as wasting source of the gas.
Summary of the invention
The objective of the invention is to overcome the prior art above shortcomings, a kind of medical pain easing machine is provided, carries out real-time tracking, make analgesic effect keep optimum state by the parameter of external world's stimulation synchronously and setting, to save source of the gas, improve safety and the reliability used.
Medical pain easing machine of the present invention comprises: source of oxygen (1), laughing gas source (2), gas circuit control module (3), breathing circuit (7) and carbon dioxide adsorber (8), source of oxygen (1) is received the oxygen channel inlet (310) of gas circuit control module (3), the laughing gas feeder connection (320) of gas circuit control module (3) is received in laughing gas source (2), and the inlet (340) that the patient of gas circuit control module (3) mixed gas passage sucks with mixed gas outlet (330) and patient expired gas connects breathing circuit (7) by pipeline; The patient expired gas passage outlet (345) of gas circuit control module (3) connects carbon dioxide adsorber (8), and the valuable gases after absorption is returned mixed gas passage by gas circuit control module (3) inlet (346); And,
Electronic-controlled installation (6), electrode sensor (4) and stimulator (5), electrode sensor (4) and stimulator (5) are connected to electronic-controlled installation (6) corresponding port, electronic-controlled installation (6) changes according to physiological parameter regulates oxygen, laughing gas proportioning in real time by gas circuit control module (3), and the control gaseous mixture is carried to breathing circuit (7).
This medical pain easing machine is a kind of medical equipment that reduces or eliminate patient's pain sensation.By to patient's autonomous respiration and the exponential detection of nervous physiology, use blur estimation, multiple plenum system is implemented in control by computer, and intelligence is regulated amount of anesthetic gases, reaches the best relation of QI consumed amount and analgesic effect.
Structurally adopt the multichannel of the original creation gas circuit control module of confluxing, on function, do not need human intervention, have and improve reliable safety device and warning system, provide various parameters to show and working method.Pain easing machine is not only saved the energy, and is easy to use, and reliable in structure, safety, and volume is little, can be used for clinical and home cares such as artificial abortion, dental operation, childbirth induced labor, postoperative analgesia, cancer analgesia.
Description of drawings
Fig. 1 is the medical pain easing machine structural representation of the present invention;
Fig. 2 is the example structure figure of its gas circuit control module;
Fig. 3 is its electronic-controlled installation schematic diagram;
Fig. 4 is its physiological parameter test section sketch map.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described.Medical as shown in Figure 1 pain easing machine comprises source of oxygen 1, laughing gas source 2, gas circuit control module 3, breathing circuit 7, carbon dioxide adsorber 8, electronic-controlled installation 6, electrode sensor 4 and stimulator 5 etc.Source of oxygen 1 and laughing gas source 2 are provided by gas cylinder or central steam line, and the bleed pressure scope is generally 3～6 kilograms.
This machine adopts the novel multi-channel gas circuit control module 3 of confluxing, and oxygen channel, laughing gas passage, mixed gas passage and breath passage are arranged in the module 3.Source of oxygen 1 is received the inlet 310 of its oxygen channel, and the inlet 320 of its laughing gas passage is received in laughing gas source 2, and the inlet 340 that the patient of its mixed gas passage sucks with mixed gas outlet 330 and patient expired gas connects breathing circuit 7 by pipeline; Its patient expired gas passage outlet 345 connects carbon dioxide adsorber 8, and the valuable gases after absorption is returned mixed gas passage by module 3 inlets 346.
Wherein electrode sensor 4 is connected on electronic-controlled installation 6 input port J, H, and stimulator 5 is connected to electronic-controlled installation 6 output port K.Electronic-controlled installation 6 changes by gas circuit control module 3 according to physiological parameter regulates oxygen, laughing gas proportioning in real time, and the control gaseous mixture is carried to breathing circuit 7.
Gas circuit control module exemplary embodiments is referring to Fig. 2.Gas circuit control module 3 comprises oxygen channel 31, laughing gas passage 32, mixed gas passage 33 and breath passage 34 4 parts.
Wherein, the control valve 332 of mounting strap stepper motor 333, electromagnetic valve 334, air way switch valve 335, baric flow pick off 337 and clack valve 338 successively on the mixed gas passage 33, before clack valve 338, be provided with and press limit pick off 336, before its control valve 332, oxygen sensor 331 is set.
The effusion meter valve 313 and the check valve 315 of control valve 312, band stepper motor 314 are installed on the oxygen channel 31 successively, between control valve 312 and feeder connection 310, are installed and press limit pick off 311.
The effusion meter valve 323 and the check valve 325 of control valve 322, band stepper motor 324 are installed on the laughing gas passage 32 successively, install between control valve 322 and feeder connection 320 and press limit pick off 321, oxygen channel 31 and laughing gas passage 32 are received mixed gas passage 33 after their check valve.
Between oxygen channel 31 inlets 310 and source of oxygen 1, filter 9 can be installed, between laughing gas passage 32 inlets 320 and laughing gas source 2, filter 10 can be installed, to stop foreign material and gas whistle in the gas.
Oxygen enters from oxygen channel 31 inlet 310, is transported to mixed gas passage 33 through the effusion meter valve 313 and the check valve 315 of control valve 312, band stepper motor 314.Laughing gas enters from laughing gas passage 32320, through control valve 322, the band stepper motor 324 effusion meter valve 323 and check valve 325 be transported to mixed gas passage 33.The effusion meter valve that oxygen and laughing gas flow are driven by stepper motor 314,324 by single-chip microcomputer 60 is regulated, mist in required ratio transfers out by breathing circuit 7, when patient reached the required analgesia degree of depth, air way switch valve 335 was closed source of the gas, enters the general breathing state.
Check valve 315,325 flows backwards for preventing gas with various, to guarantee gas mixture ratio accurately.Clack valve 338,341 is used for automatic shutter exhales and suction condition, uses source of the gas effectively.
Above-mentioned pressure limit pick off 311,321,336,343 is used for detecting gas circuit air pressure air-flow and whether is in normal range, the particularly detection of oxygen pressure.To abnormal pressure, system reports to the police immediately.Baric flow pick off 337,342 is used to detect respiratory frequency, flow and pressure, and to the breathing state that the doctor points out patient, whether decision adjusts pressure.Oxygen sensor 331 on the mixed gas passage 33 is used for the measurement gas mixing ratio, and accumulation analgesia depth parameter.
Electronic-controlled installation 6 of the present invention uses industry control chip or universal PC chip controls, can directly or by the bus selection interface circuit drive peripheral hardware.Single-chip microcomputers such as C8051Fxxx series because of built-in memory, A/D changer and powerful direct communication and driving force, can make simplified equipment reliable, as preferred components.
With reference to Fig. 3, above-mentioned electronic-controlled installation 6 comprises: single-chip microcomputer 60, be connected to the display screen 66 of single-chip microcomputer display port, be connected to the digital display tube 61 of single-chip microcomputer corresponding output end mouth, display lamp 62 and alarm 63, the setting button 64 of single-chip microcomputer input port, and gas circuit control I/O interface 65, gas circuit control I/O interface 65 is connected to some I/O ports that Single Chip Microcomputer (SCM) program is set, its input connects the pressure limit pick off 311 of gas circuit control module 3 respectively, press limit pick off 321, press limit pick off 336, press limit pick off 343, baric flow pick off 337, baric flow pick off 342 and oxygen sensor 331, its outfan connects the stepper motor 314 of gas circuit control module 3 effusion meter valves respectively, 324, the stepper motor 333 of control valve, electromagnetic valve 334, electromagnetic valve 344 and air way switch valve 335.
Wherein, display screen 66 and digital display tube 61 are used to show patient parameter, respiration parameter and waveform, gas component ratio, alarm.Display lamp 62 is used for duty and shows, also cooperates with alarm 63 and carries out the dual warning of acousto-optic.Set button 64 and use, can set miscellaneous function as man-machine interaction.Communication interface can be used for sensor-lodging, transmits control signal and printing etc.
Software adopts industry control program and fuzzy logic algorithm, to various kinds of sensors, press limit pick off 311,321,336,343 as each, information that baric flow pick off 337,342 and oxygen sensor 331 detect and the input information of setting button 64 are analyzed, are judged, single-chip microcomputer 60 is regulated oxygen, laughing gas proportioning in real time by gas circuit control I/O interface 65, and the control gaseous mixture is carried to breathing circuit 7.The flow of each passage, the adjusting of pressure are to realize by the stepper motor of corresponding solenoid valve, effusion meter valve.Electronic section 6 is equipped with conventional earth leakage protective, and under-voltage detects and reserve battery, and is safe in utilization to guarantee.
The physiological parameter test section as shown in Figure 4.This part is mainly used in the detection of patient's subject's analgesic state, and it comprises electrode sensor 4 and stimulator 5, can comprise that in case of necessity conventional blood pressure 25, blood oxygen 26 detect and electrocardio detects 27.As one of main points of the present invention, require to obtain the analgesia depth detection, adopt the extraneous stimulation that applies, carry out controlled synchronous detecting, to determine the nervous physiology index.
The in-local process is as follows:
Before patient's operation, put on face shield, the doctor opens pain easing machine, pattern is set, equipment is connected stimulator 5 and electrode sensor 4 automatically, measure the autonomous respiration frequency, and import mist, measure all physiological parameters simultaneously with 50% proportioning, change the adjusting mixed gases matching according to physiological parameter, when patient's emg response was steady, system notified the doctor to implement operation with display lamp, after operation finishes, the doctor starts panel restore funcitons key, equipment is removed anesthesia gas, during state, notifies patient to have a rest from bed before physiological parameter returns to operation.
Claims (6)
1. medical pain easing machine, it is characterized in that comprising: source of oxygen (1), laughing gas source (2), gas circuit control module (3), breathing circuit (7) and carbon dioxide adsorber (8), source of oxygen (1) is received the oxygen channel inlet (310) of gas circuit control module (3), the laughing gas feeder connection (320) of gas circuit control module (3) is received in laughing gas source (2), and the inlet (340) that the patient of gas circuit control module (3) mixed gas passage sucks with mixed gas outlet (330) and patient expired gas connects breathing circuit (7) by pipeline; The patient expired gas passage outlet (345) of gas circuit control module (3) connects carbon dioxide adsorber (8), and the valuable gases after absorption is returned mixed gas passage by gas circuit control module (3) inlet (346); And electronic-controlled installation (6), electrode sensor (4) and stimulator (5) are connected to electronic-controlled installation (6) corresponding port, electronic-controlled installation (6) changes according to physiological parameter regulates oxygen, laughing gas proportioning in real time by gas circuit control module (3), and the control gaseous mixture is carried to breathing circuit (7).
2. medical pain easing machine according to claim 1 is characterized in that: source of oxygen (1) and laughing gas source (2) are provided by gas cylinder or central steam line, and the bleed pressure scope is 3～6 kilograms.
3. medical pain easing machine according to claim 1 is characterized in that: gas circuit control module (3) has oxygen channel (31), laughing gas passage (32), mixed gas passage (33) and breath passage (34); The control valve (332) of mounting strap stepper motor (333), electromagnetic valve (334), air way switch valve (335), baric flow pick off (337) and clack valve (338) successively on the described mixed gas passage (33), at clack valve (338) pressure limit pick off (336) is set before, oxygen sensor (331) is set before at its control valve (332);
The effusion meter valve (313) and the check valve (315) of control valve (312), band stepper motor (314) are installed on the described oxygen channel (31) successively, between control valve (312) and feeder connection (310), are installed and press limit pick off (311); The effusion meter valve (323) and the check valve (325) of control valve (322), band stepper motor (324) are installed on the described laughing gas passage (32) successively, install between control valve (322) and feeder connection (320) and press limit pick off (321), oxygen channel (31) and laughing gas passage (32) are received mixed gas passage (33) after their check valve;
Clack valve (341), baric flow pick off (342) and electromagnetic valve (344) are installed on the described breath passage (34) successively, are provided with at the front end of electromagnetic valve (344) and press limit pick off (343).
4. according to claim 1 or 3 described medical pain easing machines, it is characterized in that electronic-controlled installation comprises: single-chip microcomputer (60), be connected to the display screen (66) of single-chip microcomputer display port, be connected to the digital display tube (61) of single-chip microcomputer corresponding output end mouth, display lamp (62) and alarm (63), the setting button (64) of single-chip microcomputer input port, and gas circuit control I/O interface (65), gas circuit control I/O interface (65) is connected to some I/O ports that Single Chip Microcomputer (SCM) program is set, its input connects the pressure limit pick off (311 of gas circuit control module (3) respectively, 321,336,343), baric flow pick off (337,342) and oxygen sensor (331), its outfan connects the stepper motor (314 of gas circuit control module (3) effusion meter valve respectively, 324), the stepper motor of control valve (333), electromagnetic valve (334,344) and air way switch valve (335).
5, according to claim 1 or 3 described medical pain easing machines, it is characterized in that: between the oxygen channel (31) of gas circuit control module (3) inlet (310) and source of oxygen (1), filter (9) is installed, between laughing gas passage (32) inlet (320) and laughing gas source (2), filter (10) is installed, to stop foreign material and gas whistle in the gas.
6, medical pain easing machine according to claim 1 is characterized in that: stimulator (5) adopts mechanical stimulus device or auditory stimulus device or machinery and audition combination of stimulation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02134860 CN1248750C (en) | 2002-09-27 | 2002-09-27 | Intelligent pain easing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02134860 CN1248750C (en) | 2002-09-27 | 2002-09-27 | Intelligent pain easing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1485105A CN1485105A (en) | 2004-03-31 |
| CN1248750C true CN1248750C (en) | 2006-04-05 |
Family
ID=34145983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02134860 Expired - Lifetime CN1248750C (en) | 2002-09-27 | 2002-09-27 | Intelligent pain easing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN1248750C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101829386A (en) * | 2010-05-25 | 2010-09-15 | 张培林 | Intelligent fresh gas flow and oxygen concentration control device for anesthesia machine |
| CN102441214B (en) * | 2010-10-09 | 2016-05-04 | 深圳迈瑞生物医疗电子股份有限公司 | A kind of Anesthesia machine and assembly method |
| CN102266619B (en) * | 2010-12-31 | 2014-06-11 | 北京谊安医疗系统股份有限公司 | Anesthesia respirator |
| CN103736181A (en) * | 2013-12-12 | 2014-04-23 | 科迈（常州）电子有限公司 | Respirator |
| CN103800976B (en) * | 2014-03-05 | 2016-03-23 | 杭州圣王医疗设备有限公司 | Nitrous Oxide analgesia monitoring system |
| CN104887315A (en) * | 2015-04-16 | 2015-09-09 | 刘慎霞 | Auxiliary delivery device used in obstetrics and gynecology department |
| CN107297005B (en) * | 2016-04-14 | 2020-05-05 | 申岱 | Patient-controlled inhalation analgesia device and method |
| WO2018191902A1 (en) * | 2017-04-20 | 2018-10-25 | 中国科学院深圳先进技术研究院 | Auxiliary diagnosis and treatment device for local anesthesia and treatment and operating method therefor |
| CN107281601A (en) * | 2017-08-09 | 2017-10-24 | 王奕飞 | Suction-type Nitrous Oxide analgesia system |
-
2002
- 2002-09-27 CN CN 02134860 patent/CN1248750C/en not_active Expired - Lifetime
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| Publication number | Publication date |
|---|---|
| CN1485105A (en) | 2004-03-31 |
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Owner name: JINKEWEI INDUSTRY CO., LTD., SHENZHEN CITY Free format text: FORMER OWNER: JINKEWEI INDUSTRY CO., LTD., SHENZHEN CITY; LI SHICAI Effective date: 20080912 |
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Effective date of registration: 20080912 Address after: Shenzhen City, Guangdong Province, Nanshan District high tech Zone No. three North Road, building 518057: Gold Patentee after: KONINKLIJKE PHILIPS N.V. Address before: Building 10, Zhongxing building, Zhongxing Road, Nanshan District, Guangdong, Shenzhen Province, China: 518054 Co-patentee before: Li Shicai Patentee before: KONINKLIJKE PHILIPS N.V. |
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Address after: 518057 No. 2 Tiangong Road, Shenzhen, Guangdong, Nanshan District Patentee after: Philips jinkewei (Shenzhen) Industrial Co.,Ltd. Address before: 518057 Guangdong Province, Shenzhen high tech Zone of Nanshan District City, No. three North Road jinkewei building Patentee before: KONINKLIJKE PHILIPS N.V. |
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