CN109731200B - A suction-type anesthesia machine for general anesthesia - Google Patents

A suction-type anesthesia machine for general anesthesia Download PDF

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Publication number
CN109731200B
CN109731200B CN201910080306.5A CN201910080306A CN109731200B CN 109731200 B CN109731200 B CN 109731200B CN 201910080306 A CN201910080306 A CN 201910080306A CN 109731200 B CN109731200 B CN 109731200B
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anesthesia
carbon dioxide
oxygen
chamber
bin
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CN109731200A (en
Inventor
王涛
王丽娟
赵军博
秦璐
冯丽梅
马晓杰
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Zhengzhou University Third Affiliated Hospital Henan Maternity and Child Health Care Hospital
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Zhengzhou University Third Affiliated Hospital Henan Maternity and Child Health Care Hospital
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Abstract

The invention discloses a suction type anesthesia machine for general anesthesia, which belongs to the technical field of medical instruments and comprises a host machine, an oxygen bin, a first connector, a first air passage, a carbon dioxide bin, a second connector, a second air passage, a blending bin, an anesthesia bin, an atomization bin, a liquid pipe, an inhalation air pipe, a breathing mask, a CPU, a memory, a signal amplifier, a transformer and a display.

Description

A suction-type anesthesia machine for general anesthesia
Technical Field
The invention relates to the technical field of medical instruments, in particular to a suction type anesthesia machine for general anesthesia.
Background
The anesthesia discipline is a comprehensive discipline that contains knowledge of multiple disciplines. The existing range is wider, the requirements of operations are not only met, but also rescue work of various departments, painless delivery of gynecology, painless abortion and the like are involved.
Ensuring that patients receive surgical treatment smoothly under painless and safe conditions is a basic task of anesthesia clinic, but the task is only a part of the work content of modern anesthesia disciplines. The anesthesia work also comprises preparation and treatment before and after anesthesia, monitoring and treatment of critical patients, emergency resuscitation, pain treatment and the like. The working range is expanded from operating rooms to places such as ward rooms, outpatients and emergency rooms, and from clinical medical treatment to teaching and scientific research. With the increasing expansion of the working range, the work task is increasingly heavy.
The inhalation anesthetic is a volatile liquid or gas, enters a human body through a respiratory tract to play a role of anesthesia from shallow to deep, has the characteristics of strong anesthesia function, high controllability and the like, occupies a leading position in general anesthesia and the maintenance process of anesthesia, the main difficulty of inhalation anesthesia is that the respiratory frequency of patients is different, but few ventilators have auxiliary respiration functions, most ventilators inhale through the self respiration of the patients, the dosage of the anesthetic is not easy to adjust in the anesthesia process, the exhaled gas contains anesthetic components, is harmful to the bodies of the patients and increases the operation risk.
Disclosure of Invention
In view of the above technical problems, the present invention provides an inhalation type anesthesia machine for general anesthesia.
The technical scheme of the invention is as follows:
a suction-type anesthesia machine for general anesthesia comprises a host, an oxygen bin, a first connector, a first air passage, a carbon dioxide bin, a second connector, a second air passage, a blending bin, an anesthesia bin, an atomization bin, a liquid pipe, an inhalation air pipe, a breathing mask, a CPU, a memory, a signal amplifier, a transformer and a display, wherein the oxygen bin is arranged on the right side below the host, a first bin gate is arranged on the front side of the oxygen bin, an oxygen cylinder is fixed in the oxygen bin, a first barometer is arranged on the left side above the oxygen cylinder, an oxygen pipeline is arranged on the right side above the oxygen cylinder, a first switch is arranged in the middle of the oxygen pipeline, the right end of the oxygen pipeline is communicated with the first air passage through the first connector, the carbon dioxide bin is positioned on the left side of the oxygen bin, a second bin gate is arranged on the front side of the carbon dioxide bin, and a carbon dioxide cylinder is, the device is characterized in that a barometer II is arranged on the left side of the top of the carbon dioxide bottle, a carbon dioxide pipeline is arranged on the right side of the top of the carbon dioxide bottle, a switch II is arranged in the middle of the carbon dioxide pipeline, the tail end of the carbon dioxide pipeline is communicated with the air passage II through the connector II, the air passage I and the air passage II are both communicated with the blending bin, a liquid injection hole is formed in the upper portion of the anesthesia bin, an electronic pump is arranged below the anesthesia bin, the atomization bin is fixed on the right side of the anesthesia bin and is communicated with the atomization bin through the liquid pipe, a super-energy oscillator is arranged at the bottom of the atomization bin, the upper portion of the atomization bin is communicated with the blending bin, an electronic valve I, an electronic valve II and an electronic valve III are respectively arranged at the bottom of the blending bin, the electronic valve I is communicated with the atomization bin, the electronic valve II is communicated with the air passage II, the, the lower part of the carbon dioxide detector is provided with an anesthesia content detector, the lower part of the oxygen detector is provided with an air pressure detector, the upper part of the blending bin is provided with an air outlet valve, the air outlet valve is communicated with the inhalation air pipe, the tail end of the inhalation air pipe is connected with the respirator, the left side of the anesthesia bin is fixed with an over-frequency current generator, the left side of the blending bin is fixed with a controller, the left sides of the controller and the over-frequency current generator are fixed with a radiator, the left side of the carbon dioxide bin is fixed with a filter, the filter is fixed with an inhalation pump, the upper part of the inhalation pump is connected with an exhalation pipe, the tail end of the exhalation pipe is connected with the respirator, the right side of the blending bin is respectively provided with a heart rate monitor and a blood pressure monitor from top to bottom, the CPU is fixed on the right side of the heart, the signal amplifier is fixed below the memory, the transformer is fixed below the CPU and electrically connected with an external power supply, the display is fixed above the host, the transformer supplies power for each electric appliance, the CPU is respectively electrically connected with the controller, the super-frequency current generator, the display, the memory and the signal amplifier, the controller is electrically connected with the first electronic valve, the second electronic valve, the third electronic valve, the radiator, the electronic pump, the air suction pump and the filter, and the signal amplifier is respectively electrically connected with the carbon dioxide detector, the oxygen detector, the air pressure detector, the anesthesia content detector, the heart rate monitor and the blood pressure monitor.
Further, the display includes touch-sensitive screen, base, rotary rod, the base is fixed with the host computer top, the display passes through the rotary rod is connected with the base, through the rotatory touch-sensitive screen of rotary rod, makes things convenient for the doctor to observe patient's vital sign.
Further, the inside in carbon dioxide storehouse and oxygen storehouse all is equipped with the fixer, the fixer is used for fixed carbon dioxide bottle and oxygen cylinder, fixes carbon dioxide bottle and oxygen cylinder through the fixer.
Furthermore, the signal amplifier front side is equipped with jack one, jack one bayonet electric connection has tension sensor, detects patient's skin tension through tension sensor to judge patient's breathing state.
Furthermore, heart rate monitor and blood pressure monitor front side respectively are equipped with jack two, two bayonet electric connection of jack have heart rate sensor and blood pressure sensor, conveniently change the sensor through bayonet connection.
Furthermore, the filter adopts double filtration of liquid air washing and an active carbon filter screen, and the double filtration increases the safety of the exhaust gas and prevents a doctor from inhaling anesthetic.
Further, the air pressure inside the blending bin is 121-136 kPa, so that the patient can inhale smoothly.
Furthermore, one-way stop valves are arranged at the joints of the inhalation tube and the exhalation tube and the breathing mask, and the flow direction of the inhaled gas and the flow direction of the exhaled gas are controlled through the one-way stop valves.
The working method of the invention comprises the following steps:
s1: the power supply is switched on, each sensor is attached to the surface of a human body, the fluctuation of the thoracic cavity of the human body is detected through the tension sensor, and the CPU judges that the state of the patient is inspiration or expiration;
s2: when the tension sensor enters the CPU after passing through the signal amplifier, the CPU judges that the patient is in an inspiration state, the air outlet valve is opened, the prepared air enters the human body through the inspiration air pipe, when the signal of the tension sensor is reduced, the CPU judges that the patient exhales, the inspiration pump works to inhale the expired air into the filter, and the one-way stop valve controls the air flow direction of the inspiration air pipe and the expired air pipe;
s3: the oxygen detector, the carbon dioxide detector and the anesthesia content detector are used for detecting air indexes, the electronic valve I, the electronic valve II and the cushion valve are used for controlling the proportion of each component of the gas in the blending bin, and the heart rate monitor and the blood pressure detector are used for monitoring the physiological characteristics of a patient.
The invention has the beneficial effects that:
(1) the invention atomizes the anesthetic by adopting the atomization principle, and the atomized anesthetic is mixed with the inhaled gas of the patient, so that the anesthetic effect is good, and the patient is not painful;
(2) the invention adopts sealed breathing, and the exhaled air is discharged through filtration, thereby preventing the medicine in the exhaled air from volatilizing and entering the body of a doctor;
(3) the invention detects the breathing state of the patient through the tension sensor, better accords with the breathing habit of the patient and avoids causing discomfort to the patient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
wherein, 1-a host machine, 2-an oxygen chamber, 3-a connector I, 4-an airway I, 5-a carbon dioxide chamber, 6-a connector II, 7-an airway II, 8-a blending chamber, 9-an anesthesia chamber, 10-an atomization chamber, 11-a liquid pipe, 12-an inhalation trachea, 13-a breathing mask, 14-a CPU, 15-a memory, 16-a signal amplifier, 17-a transformer, 18-a display, 21-a chamber door I, 22-an oxygen bottle, 23-a barometer I, 24-an oxygen pipeline, 25-a switch I, 51-a chamber door II, 52-a carbon dioxide bottle, 53-a barometer II, 54-a carbon dioxide pipeline, 55-a switch II, 91-an electronic pump, 101-a super-energy oscillator, 81-an electronic valve I, 82-an electronic valve II, 83-an electronic valve III, 84-a carbon dioxide detector, 85-an oxygen detector, 86-an anesthesia content detector, 87-an air pressure detector, 88-an air outlet valve, 92-an over-frequency current generator, 89-a controller, 93-a radiator, 56-a filter, 57-an inhalation pump, 58-an exhalation pipe, 891-a heart rate monitor, 892-a blood pressure monitor, 181-a touch screen, 182-a base, 183-a rotary rod, 26-a fixer, 161-a jack I, 162-a tension sensor, 893-a jack II, 894-a heart rate sensor, 895-a blood pressure sensor and 131-a one-way stop valve.
Detailed Description
For the convenience of understanding the technical solution of the present invention, the following is further explained with reference to fig. 1, and the embodiments do not limit the scope of the present invention.
As shown in figure 1, an inhalation type anesthesia machine for general anesthesia comprises a main machine 1, an oxygen chamber 2, a first connector 3, a first air passage 4, a carbon dioxide chamber 5, a second connector 6, a second air passage 7, a blending chamber 8, an anesthesia chamber 9, an atomization chamber 10, a liquid pipe 11, an inhalation air pipe 12, a breathing mask 13, a CPU14, a memory 15, a signal amplifier 16, a transformer 17 and a display 18, wherein the oxygen chamber 2 is arranged on the right side below the main machine 1, a first chamber door 21 is arranged on the front side of the oxygen chamber 2, an oxygen cylinder 22 is fixed inside the oxygen chamber 2, a first barometer 23 is arranged on the left side above the oxygen cylinder 22, an oxygen pipeline 24 is arranged on the right side above the oxygen cylinder 22, a first switch 25 is arranged in the middle of the oxygen pipeline 24, the right end of the oxygen pipeline 24 is communicated with the first air passage 4 through the first connector 3, the carbon dioxide chamber 5 is arranged on the left side of the oxygen chamber 2, a, a carbon dioxide bottle 52 is fixed in the carbon dioxide bin 5, a barometer II 53 is arranged on the left side above the carbon dioxide bottle 52, a carbon dioxide pipeline 54 is arranged on the right side above the carbon dioxide bottle 52, a switch II 55 is arranged in the middle of the carbon dioxide pipeline 54, the tail end of the carbon dioxide pipeline 54 is communicated with an air passage II 7 through a connector II 6, the air passage I4 and the air passage II 7 are both communicated with a blending bin 8, a fixer 26 is arranged in each of the carbon dioxide bin 5 and the oxygen bin 2, the fixer 26 is used for fixing the carbon dioxide bottle 52 and the oxygen bottle 22, the carbon dioxide bottle 52 and the oxygen bottle 22 are fixed through the fixer, a liquid injection hole is arranged above the anesthesia bin 9, an electronic pump 91 is arranged below the anesthesia bin 9, the atomization bin 10 is fixed on the right side of the anesthesia bin 9, the electronic pump 91 is communicated with the atomization bin 10 through a liquid pipe 11, a super-energy oscillator 101 is arranged, the bottom of the blending bin 8 is respectively provided with a first electronic valve 81, a second electronic valve 82 and a third electronic valve 83, the first electronic valve 81 is communicated with the atomization bin 10, the second electronic valve 82 is communicated with the second air passage 7, the third electronic valve 83 is communicated with the first air passage 4, the upper inner walls of the left side and the right side of the blending bin 8 are respectively fixed with a carbon dioxide detector 84 and an oxygen detector 85, the lower part of the carbon dioxide detector 84 is provided with an anesthesia content detector 86, the lower part of the oxygen detector 85 is provided with an air pressure detector 87, the internal air pressure of the blending bin 8 is 121kPa-136kPa, which is beneficial to smooth inspiration of a patient, the upper part of the blending bin 8 is provided with an air outlet valve 88, the air outlet valve 88 is communicated with the inhalation air pipe 12, the tail end of the inhalation air pipe 12 is connected with the breathing mask 13, the left side of the anesthesia bin 9 is fixed with an over-frequency current generator 92, the left side, a filter 56 is fixed on the left side of the carbon dioxide bin 5, an inhalation pump 57 is fixed on the filter 56, the filter 56 adopts double filtration of liquid washing gas and an active carbon filter screen, the double filtration increases the safety of the discharged gas and prevents a doctor from inhaling anesthetic, an exhalation pipe 58 is connected above the inhalation pump 57, the tail end of the exhalation pipe 58 is connected with a breathing mask 13, one-way stop valves 131 are respectively arranged at the joints of the inhalation pipe 12 and the exhalation pipe 58 and the breathing mask 13, the flow directions of the inhaled gas and the exhaled gas are controlled by the one-way stop valves 131, a heart rate monitor 891 and a blood pressure monitor 892 are respectively arranged on the right side of the blending bin 8 from top to bottom, two jacks 893 are respectively arranged on the front sides of the heart rate monitor 891 and the blood pressure detector, the two jacks 893 are electrically connected with a heart rate sensor 894 and a blood pressure sensor 895 in an insertion manner, the sensors are convenient to replace through insertion, the memory 15 is located above the right side of the CPU14, the signal amplifier 16 is fixed below the memory 15, the first jack 161 is arranged on the front side of the signal amplifier 16, the first jack 161 is electrically connected with the tension sensor 162 in a plug-in manner, the skin tension of a patient is detected through the tension sensor 162, so that the breathing state of the patient is judged, the transformer 17 is fixed below the CPU14 and is electrically connected with an external power supply, the display 18 is fixed above the host 1, the display 18 comprises a touch screen 181, a base 182 and a rotary rod 183, the base 182 is fixed above the host 1, the display 18 is connected with the base 182 through the rotary rod 183, the touch screen 181 is rotated through the rotary rod 183, so that a doctor can conveniently observe the vital signs of the patient, the transformer 17 supplies power to various electric appliances, the CPU14 is respectively electrically connected with the controller 89, the over-frequency current generator 92, the display 18, the memory 15 and, The second electronic valve 82, the third electronic valve 83, the radiator 93, the electronic pump 91, the inhalation pump 57 and the filter 56 are electrically connected, and the signal amplifier 16 is electrically connected with the carbon dioxide detector 84, the oxygen detector 85, the air pressure detector 87, the anesthesia content detector 86, the heart rate monitor 891 and the blood pressure monitor 892 respectively.
The working method of the embodiment comprises the following steps:
s1: the power supply is switched on, the sensors are attached to the surface of the human body, the fluctuation of the thoracic cavity of the human body is detected through the tension sensor 162, and the CPU14 judges that the state of the patient is inspiration or expiration;
s2: when the tension sensor 162 enters the CPU14 after passing through the signal amplifier 16, the CPU14 judges that the patient is in an inspiration state, the air outlet valve 88 is opened, the prepared air enters the human body through the inspiration air pipe 12, when the tension sensor 162 reduces the signal, the CPU14 judges that the patient is in expiration, the inspiration pump 57 works to suck the expired air into the filter 56, and the one-way stop valve 131 controls the air flow direction of the inspiration air pipe 12 and the expired air pipe 58;
s3: the oxygen detector 85, the carbon dioxide detector 84 and the anesthesia content detector 86 are used for detecting air indexes, the first electronic valve 81, the second electronic valve 82 and the third cushion valve 83 are used for controlling the proportion of each component of the gas in the blending bin 8, and the heart rate monitor 8911 and the blood pressure detector 892 are used for monitoring the physiological characteristics of a patient.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims (8)

1. An inhalation type anesthesia machine for general anesthesia is characterized by comprising a host machine (1), an oxygen chamber (2), a first connector (3), a first air passage (4), a carbon dioxide chamber (5), a second connector (6), a second air passage (7), a blending chamber (8), an anesthesia chamber (9), an atomization chamber (10), a liquid pipe (11), an inhalation air pipe (12), a breathing mask (13), a CPU (14), a memory (15), a signal amplifier (16), a transformer (17) and a display (18), wherein the oxygen chamber (2) is arranged on the right side below the host machine (1), a first chamber door (21) is arranged on the front side of the oxygen chamber (2), an oxygen cylinder (22) is fixed in the oxygen chamber (2), a first barometer (23) is arranged on the left side above the oxygen cylinder (22), an oxygen pipeline (24) is arranged on the right side above the oxygen cylinder (22), the middle part of the oxygen pipeline (24) is provided with a first switch (25), the right end of the oxygen pipeline (24) is communicated with a first air passage (4) through a first connector (3), a carbon dioxide chamber (5) is positioned on the left side of the oxygen chamber (2), a second door (51) is arranged on the front side of the carbon dioxide chamber (5), a carbon dioxide bottle (52) is fixed inside the carbon dioxide chamber (5), a second barometer (53) is arranged on the left side of the upper part of the carbon dioxide bottle (52), a carbon dioxide pipeline (54) is arranged on the right side of the upper part of the carbon dioxide bottle (52), a second switch (55) is arranged in the middle of the carbon dioxide pipeline (54), the tail end of the carbon dioxide pipeline (54) is communicated with a second air passage (7) through a second connector (6), the first air passage (4) and the second air passage (7) are both communicated with the blending chamber (8), and a liquid injection hole is arranged above the anesthesia, an electronic pump (91) is arranged below the anesthesia bin (9), the atomization bin (10) is fixed on the right side of the anesthesia bin (9), the electronic pump (91) is communicated with the atomization bin (10) through the liquid pipe (11), the super-energy oscillator (101) is arranged at the bottom of the atomization bin (10), the upper part of the atomization bin (10) is communicated with the blending bin (8), the bottom of the blending bin (8) is respectively provided with a first electronic valve (81), a second electronic valve (82) and a third electronic valve (83), the first electronic valve (81) is communicated with the atomization bin (10), the second electronic valve (82) is communicated with a second air passage (7), the third electronic valve (83) is communicated with a first air passage (4), a carbon dioxide detector (84) and an oxygen detector (85) are respectively fixed on the inner walls above the left side and the right side of the blending bin (8), an anesthesia content detector (86) is arranged below the carbon dioxide detector (84), the utility model discloses a heart rate monitor, including oxygen detector (85), allotment storehouse (8), breathe in trachea (12), the below of oxygen detector (85) is equipped with atmospheric pressure detector (87), the top of allotment storehouse (8) is equipped with air outlet valve (88), air outlet valve (88) with breathe in trachea (12) and communicate with each other, the end of inhaling trachea (12) with respirator (13) are connected, the left side in anesthesia storehouse (9) is fixed with super frequency current generator (92), the left side in allotment storehouse (8) is fixed with controller (89), controller (89) and super frequency current generator (92) the left side is fixed with radiator (93), the left side in carbon dioxide storehouse (5) is fixed with filter (56), be fixed with inspiratory pump (57) on filter (56), the top of inspiratory pump (57) is connected with exhale pipe (58), the end and respirator (13) of exhale pipe (58) link to each other, the right side in allotment storehouse (8) from top to bottom is equipped with heart rate monitor (891, CPU (14) fixes on heart rate detection and blood pressure detector's right side, memory (15) are located the right side top of CPU (14), signal amplifier (16) are fixed in the below of memory (15), transformer (17) are fixed in the below of CPU (14), and with external power supply electric connection, display (18) are fixed in host computer (1) top, and transformer (17) are each with the power supply of electrical apparatus, CPU (14) respectively with controller (89), super frequency current generator (92), display (18), memory (15), signal amplifier (16) electric connection, controller (89) and electronic valve one (81), electronic valve two (82), electronic valve three (83), radiator (93), electronic pump (91), aspirator pump (57), filter (56) electric connection, signal amplifier (16) respectively with carbon dioxide detector (84), The oxygen detector (85), the air pressure detector (87), the anesthesia content detector (86), the heart rate monitor (891) and the blood pressure monitor (892) are electrically connected.
2. An inhalation anesthesia machine for general anesthesia according to claim 1, wherein said display (18) comprises a touch screen (181), a base (182), a rotating rod (183), said base (182) is fixed above the main machine (1), said display (18) is connected to the base (182) through said rotating rod (183).
3. An inhalation anesthesia machine for general anesthesia as claimed in claim 1, wherein the carbon dioxide chamber (5) and the oxygen chamber (2) are provided with holders (26) inside, said holders (26) being used for fixing the carbon dioxide bottle (52) and the oxygen bottle (22).
4. An inhalation anesthesia machine for general anesthesia according to claim 1, characterized in that the signal amplifier (16) is provided with a first jack (161) at the front side, and the first jack (161) is electrically connected with a tension sensor (162) in a plug-in manner.
5. An inhalation anesthesia machine for general anesthesia as claimed in claim 1, wherein said heart rate monitor (891) and blood pressure monitor are respectively provided with a second insertion hole (893) at the front side, said second insertion hole (893) is electrically connected with the heart rate sensor (894) and the blood pressure sensor (895) in a plug-in manner.
6. An inhalation anesthesia machine for general anesthesia as claimed in claim 1, wherein said filter (56) employs double filtration of liquid scrubbing and activated carbon filter screen.
7. An inhalational anaesthetic machine for general anaesthesia according to claim 1 characterised in that the air pressure inside the dispensing chamber (8) is 121-136 kPa.
8. An inhalation anesthesia machine for general anesthesia as claimed in claim 1, wherein the connection of said inhalation (12) and exhalation (58) tubes with the breathing mask (13) is provided with one-way shut-off valves (131).
CN201910080306.5A 2019-01-28 2019-01-28 A suction-type anesthesia machine for general anesthesia Active CN109731200B (en)

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Application Number Priority Date Filing Date Title
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CN109731200B true CN109731200B (en) 2021-02-12

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110464952A (en) * 2019-08-13 2019-11-19 娄保锋 A kind of multi-functional suction-type general anesthesia device of department of anesthesia
WO2021134372A1 (en) * 2019-12-30 2021-07-08 深圳迈瑞生物医疗电子股份有限公司 Anesthesia machine
CN111265748B (en) * 2020-02-24 2022-04-12 娄保锋 Anesthetic gas conveying device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101810601B1 (en) * 2011-03-31 2017-12-20 (주)멕 아이씨에스 Anesthetic ventilator using blower
CN205031678U (en) * 2015-08-22 2016-02-17 温州康诺克医疗器械有限公司 Portable first aid suction delivery system
CN106075685A (en) * 2016-07-07 2016-11-09 齐新风 A kind of suction-type anesthesia diagnostic control device
CN108904983B (en) * 2018-06-20 2022-01-21 刘华杰 Negative oxygen ion breathing machine for tumor cancer patient
CN108744217B (en) * 2018-06-22 2021-02-09 河南科技大学第一附属医院 Clinical anesthesia branch of academic or vocational study is with supplying medicine anesthesia device
CN109172981A (en) * 2018-07-27 2019-01-11 霍玉峰 A kind of switchable type breathing anesthesia outfit
CN109260557A (en) * 2018-08-28 2019-01-25 齐璐清 Anesthetic gas machine is used in a kind of operation

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