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WO2016086347A1 - Appareil respiratoire anesthésique à alimentation électrique - Google Patents

Appareil respiratoire anesthésique à alimentation électrique Download PDF

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Publication number
WO2016086347A1
WO2016086347A1 PCT/CN2014/092733 CN2014092733W WO2016086347A1 WO 2016086347 A1 WO2016086347 A1 WO 2016086347A1 CN 2014092733 W CN2014092733 W CN 2014092733W WO 2016086347 A1 WO2016086347 A1 WO 2016086347A1
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WO
WIPO (PCT)
Prior art keywords
gas
electric
breathing
driving
anesthetic
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.)
Ceased
Application number
PCT/CN2014/092733
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English (en)
Chinese (zh)
Inventor
蔡琨
陈培涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Mindray Bio Medical Electronics Co Ltd
Original Assignee
Shenzhen Mindray Bio Medical Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Mindray Bio Medical Electronics Co Ltd filed Critical Shenzhen Mindray Bio Medical Electronics Co Ltd
Priority to PCT/CN2014/092733 priority Critical patent/WO2016086347A1/fr
Priority to CN201480017307.0A priority patent/CN105517613A/zh
Publication of WO2016086347A1 publication Critical patent/WO2016086347A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/01—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes specially adapted for anaesthetising

Definitions

  • the invention relates to the field of anesthesia machines, and in particular to an electric anesthesia breathing apparatus.
  • An anesthesia machine is a device primarily used to provide oxygen, anesthesia, and respiratory support during a patient's surgery.
  • the anesthesia machine has both electric and pneumatic structures in the field of mechanical ventilation, and has a corresponding respiratory system for use with them, such as the rebreathing system.
  • part of the gas exhaled by the patient will be repeatedly inhaled as inhaled gas, which is beneficial to maintain the temperature and humidity of the patient's inhaled gas; at the same time, the anesthetic is retained as a relatively expensive gas component for reducing the environment. Pollution and cost savings play a very important role.
  • both manual and automatic ventilation are available. Medical professionals can select manual ventilation by manual and automatic selection switches for different stages of anesthesia treatment and clinical needs.
  • the electric ventilation control mode of the anesthesia breathing apparatus has obvious advantages in gas saving and ease of use compared with the pneumatic method.
  • the electric ventilation control of the existing electric anesthesia breathing apparatus mainly adopts a structure of a piston, a turbine and the like, and mainly has the following problems: since the piston and the turbine are placed in the anesthetic breathing system, the impeller, the rotating shaft and the impeller casing of the turbine are all combined with the anesthetic gas and the patient. Exhaled gas is in direct contact, and disinfection and maintenance operations are cumbersome.
  • the turbine is a precision device, the presence and corrosion of impurities directly affects the performance of the turbine and the control accuracy of the machine.
  • One existing method is to add a filter after the breathing port and the absorption tank to reduce the degree of contamination of the turbine components, but the difference between long-term use and actual use causes cleaning and maintenance problems to be completely avoided, and maintenance costs are high. And will affect customer satisfaction.
  • the technical problem to be solved by the present invention is to provide an electric anesthesia breathing apparatus capable of providing a continuous airflow to an anesthetic breathing system to ensure continuity of ventilation; further reducing the cleaning and maintenance cost of the electric supercharging device.
  • an embodiment of the present invention provides an electric anesthesia breathing apparatus comprising: a gas input port for inputting oxygen and an anesthetic; a breathing port for exhaling and inhaling a patient; respectively connected to a first gas passage between the gas input port and the breathing port, the first gas passage being connected to the suction check valve; respectively connected between the gas input port and the breathing port a gas passage, a second gas passage is connected to the exhalation check valve, and an absorption device for absorbing carbon dioxide is connected between the gas input port and the exhalation check valve;
  • the electric anesthesia breathing device further comprises: for anesthesia respiratory system a booster pump that provides driving power; a reflecting device connected to the booster pump, the reflecting device includes a driving gas inlet and a driving gas outlet, the boosting pump is connected to the driving gas inlet, and an exhaust valve is connected to the driving gas inlet The drive gas outlet is connected between the absorption device and the exhalation check valve.
  • the booster pump is a turbine.
  • the radiation device is a volume reflector.
  • the volume reflector comprises a small conduit for isolating the driving gas propelled from the booster pump into the volume reflector and the gas in the anesthetic breathing system.
  • the electric anesthesia breathing apparatus further comprises an exhalation valve connected to the second gas passage for measuring a peep value of the exhaled gas.
  • an electric anesthesia breathing apparatus comprising: an anesthetic breathing system, the electric anesthesia breathing apparatus further comprising: an electric supercharging device for providing driving power to the anesthetic breathing system a reflecting device connected to the electric charging device for transmitting and applying driving power to the anesthetic breathing system, the reflecting device comprising a driving gas inlet and a driving gas outlet, the electric charging device being connected to the driving gas inlet, and the driving gas outlet connected
  • the electric boosting device comprises: a booster pump connected to the driving gas inlet.
  • the booster pump is a turbine.
  • the reflecting device is a volume reflector, a folding capsule or other diaphragm device.
  • the volume reflector comprises a small conduit for isolating the driving gas propelled from the booster pump into the volume reflector and the gas in the anesthetic breathing system.
  • the anesthetic respiratory system includes: a gas input port for inputting oxygen and an anesthetic; a breathing port for exhaling and inhaling the patient; and a first gas passage connected between the gas input port and the breathing port, respectively a gas passage is connected to the suction check valve; respectively connected to the second gas passage between the gas input port and the breathing port, and the second gas passage is connected to the exhalation check valve, the gas input port and the exhalation one-way An absorption device for absorbing carbon dioxide is connected between the valves.
  • the driving gas outlet is connected between the absorption device and the exhalation check valve.
  • the electric anesthesia breathing apparatus further comprises an access to the second gas passage for measuring the exhalation Exhalation valve with gas peep value.
  • the electric anesthesia breathing apparatus further comprises an exhalation valve connected between the exhaust valve and the driving gas inlet for measuring the peep value of the exhaled gas.
  • the electric supercharging device comprises: an exhaust valve connected to the driving gas inlet for measuring the peep value of the exhaled gas.
  • the electric anesthesia breathing apparatus has the following beneficial effects: an electric supercharging device that provides driving power for an anesthetic breathing system is placed outside the anesthetic breathing system, and a driving gas is supplied to the anesthetic breathing machine in a pneumatic manner compared with the conventional method.
  • the method is more gas-saving and more convenient to use. At the same time, it can also avoid cleaning and maintenance of the booster pump such as the turbine, which can reduce the maintenance cost of the device.
  • FIG. 1 is a block diagram showing the structure of an electric anesthesia breathing apparatus according to an embodiment of the present invention.
  • FIG. 1 there is shown a first embodiment of the electric anesthesia breathing apparatus of the present invention.
  • the electric anesthesia breathing apparatus in this embodiment comprises: an anesthetic breathing system, a volume reflector 2 and an electric charging device 3, wherein the volume reflector 2 comprises a driving gas inlet 21 and a driving gas outlet 22, and the electric charging device 3 is connected At one end of the drive gas inlet 21, one end of the drive gas outlet 22 is connected to the anesthetic breathing system.
  • the electric supercharging device 3 connects the anesthesia breathing system through the volume reflector 2 and provides driving power to the anesthesia breathing system.
  • the anesthetic breathing system in this embodiment includes: a gas input port for inputting oxygen and an anesthetic 11.
  • a breathing port 12 for exhaling and inhaling the patient ;
  • the first gas passage 13 and the second gas passage 15 are respectively disposed, and the suction check valve 14 is disposed in the first gas passage 13, and the exhalation check valve 16 is disposed in the second gas passage 15, in order to establish
  • the patient passes through the breathing port 12 to perform a gas passage independent of each other during inhalation or exhalation.
  • the gas exhaled by the patient can be collected and used as a part of the inhaled gas when the patient inhales, and the other is beneficial. Keeping the temperature and humidity of the patient's inhaled gas can also preserve the more expensive anesthetic components, which can play an important role in reducing environmental pollution and saving costs.
  • the input oxygen and the anesthetic are input through the gas input port 11, and the gas input port 11 is connected to the first gas passage 13 and the second gas passage 15, respectively.
  • the first gas passage 13 is connected to the suction check valve 14 and then connected to the breathing port 12; in the second gas passage 15, the absorption device for absorbing carbon dioxide and the driving gas outlet 22 are sequentially connected for determining
  • the exhalation valve 4 exhaling the gas peep value and the exhalation check valve 16 are connected to the breathing port 12.
  • the absorption device may use a carbon dioxide absorption tank 17 or other device having the ability to adsorb a single gas or multiple gases.
  • the absorption tank 17 can absorb carbon dioxide passing through its gas, including the case where the gas is absorbed bidirectionally through the apparatus from top to bottom or from bottom to top as shown.
  • the exhalation valve 4 may not be provided, or it may be set at other positions of the electric anesthesia breathing apparatus to measure the peep value of the exhaled gas, for example, the exhalation valve 4 may be disposed at the position of the driving gas inlet 21, without affecting Implementation.
  • the volume reflector 2 is mainly composed of a small pipe in the present embodiment, and includes a driving gas inlet 21 and a driving gas outlet 22, the driving gas inlet 21 is connected to the electric charging device 3, and the driving gas outlet 22 is connected to the anesthetic breathing. Between the above-described absorption device 17 of the system and the expiratory check valve 16.
  • the function of setting the volume reflector 2 as a small pipe is that it can be operated by the electric supercharging device 3
  • the driving gas propelled into the volume reflector 2 is isolated from the gas in the anesthetic breathing system to prevent the loss of the anesthetic.
  • the volume reflector 2 can also provide a continuous airflow to the patient to avoid interruption of ventilation.
  • the volume of the volume reflector 2 needs to be larger than the tidal volume required by the patient, that is, it can satisfy the patient's inhaled volume, and it can also maximize the amount of anesthetic use.
  • the volume reflector 2 can also be replaced by other reflecting means, such as a folding capsule or a diaphragm reflecting device, which can store a certain amount of gas containing an anesthetic component during patient inhalation and exhalation switching.
  • the electric supercharging device 3 is for supplying driving power to the anesthetic breathing system, which in the present embodiment includes a booster pump 31 and an exhaust valve 32 which are respectively connected to the driving gas inlet 21.
  • the booster pump 31 may be provided as a device such as a turbine that can suck in gas from the outside and pressurize it.
  • the booster pump 31 is connected to the driving gas inlet 21, and is capable of supercharging after the booster pump 31 draws in gas from the outside air, and passes the gas containing the anesthetic component in the volume reflector 2 through the volume reflector 2 together with the gas inlet port.
  • the 11 input breathing gas is pushed to the breathing port 12 for the patient to inhale.
  • An exhaust valve 32 is coupled to the drive gas inlet 21 for effecting that excess gas in the volume reflector 2 will exit through the exhaust valve 32 as the patient exhales gas through the volume reflector 2. It should be noted that when the above-mentioned volume reflector 2 is replaced by a folding capsule, the exhaust valve 32 is also correspondingly set as a bursting valve, and when there is excess gas to bring the folded capsule to the top end, the gas in the anesthetic breathing system will be blasted. The valve is discharged. At the same time, the use of the volume reflector 2 with respect to the solution using the folding capsule makes the interface of the volume reflector 2 simpler and easier to replace and maintain.
  • the patient inhales through the breathing port 12, the boosting pump 31 draws in gas from the outside air and pressurizes, and the pressurized gas enters the volume reflector 2 from the driving gas inlet 21 and is pressurized therein.
  • the gas is pushed, and since the volume reflector 2 is composed of small tubes, it can provide a continuous air flow, avoid interruption of ventilation, and effectively isolate the gas in the driving gas and the anesthetic breathing system.
  • the drive gas outlet 22 is interposed between the absorption device 17 and the expiratory check valve 16, the exhalation check valve 16 can prevent gas from entering the breathing port 12 from that side.
  • the inhalation check valve 14 blocks the exhaled gas from entering the first A gas passage 13 through which the exhaled gas passes through the exhalation check valve 16 and the exhalation valve 4 enters the volume reflector 2.
  • fresh gas containing oxygen, anesthetic, etc., input from the gas inlet port 11 can also enter the volume reflector 2 via the absorption device 17, and the excess gas in the volume reflector 2 will be discharged through the exhaust valve 32.
  • the exhalation valve 4 can determine the peep value of the patient's exhaled gas.
  • the exhalation valve 4 may be disposed at the driving gas inlet 21, and at this time, the exhaust valve 32 may not be provided. At the same time, it is also possible to use other gas boosting devices other than the turbine, without affecting the implementation.
  • the electric supercharging device that provides driving power for the anesthesia breathing system is placed outside the anesthetic breathing system, which is more gas-saving and more convenient to use than the conventional pneumatically supplying the driving gas to the anesthetic breathing machine; It is not necessary to clean and maintain the booster pump such as the turbine, which can reduce the maintenance cost of the device.
  • the electric supercharging device provides a continuous airflow to the anesthetic breathing system through the volume reflector, which ensures continuity of ventilation and can avoid interruption of ventilation.

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  • Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

L'invention concerne un appareil respiratoire anesthésique à alimentation électrique, comprenant un système respiratoire anesthésique, et comprenant également : un appareil amplificateur électrique (3) utilisé pour fournir une énergie d'entraînement au système respiratoire anesthésique ; un dispositif réfléchissant (2) connecté au système amplificateur électrique (3) et utilisé pour fournir un flux d'air continu au système respiratoire anesthésique, ledit dispositif réfléchissant (2) comprenant une entrée d'air d'entraînement (21) et une sortie d'air d'entraînement (22), l'appareil amplificateur électrique (3) étant connecté à l'entrée d'air d'entraînement (21), et la sortie d'air d'entraînement (22) étant connectée au système respiratoire anesthésique, l'appareil amplificateur électrique (3) comprenant une pompe de suralimentation (31) connectée à l'entrée d'air d'entraînement (21).
PCT/CN2014/092733 2014-12-02 2014-12-02 Appareil respiratoire anesthésique à alimentation électrique Ceased WO2016086347A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2014/092733 WO2016086347A1 (fr) 2014-12-02 2014-12-02 Appareil respiratoire anesthésique à alimentation électrique
CN201480017307.0A CN105517613A (zh) 2014-12-02 2014-12-02 一种电动麻醉呼吸装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/092733 WO2016086347A1 (fr) 2014-12-02 2014-12-02 Appareil respiratoire anesthésique à alimentation électrique

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WO2016086347A1 true WO2016086347A1 (fr) 2016-06-09

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WO (1) WO2016086347A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020087397A1 (fr) 2018-10-31 2020-05-07 深圳迈瑞生物医疗电子股份有限公司 Procédé et dispositif de respiration d'anesthésie

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111479608B (zh) * 2017-12-15 2024-05-24 马奎特紧急护理公司 呼吸系统部件以及用于制造呼吸系统部件的方法
CN113018617A (zh) * 2019-12-24 2021-06-25 中国人民解放军第四军医大学 小儿呼吸麻醉装置
CN119607347A (zh) * 2020-12-31 2025-03-14 深圳迈瑞动物医疗科技股份有限公司 麻醉机及兽用麻醉机

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4989597A (en) * 1987-03-09 1991-02-05 Olof Werner Apparatus for administration of at least two gases to a patient
CN100998902A (zh) * 2006-01-13 2007-07-18 深圳迈瑞生物医疗电子股份有限公司 流量监测与控制的方法及装置
CN101288791A (zh) * 2007-04-18 2008-10-22 深圳迈瑞生物医疗电子股份有限公司 一种麻醉机呼吸装置及其流量传感器的标定方法
US20100258117A1 (en) * 2007-09-10 2010-10-14 Stefan Hargasser Anaesthesia Breathing System
CN101896216A (zh) * 2007-11-14 2010-11-24 马奎特紧急护理公司 带有可变患者回路容量的患者盒

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4989597A (en) * 1987-03-09 1991-02-05 Olof Werner Apparatus for administration of at least two gases to a patient
CN100998902A (zh) * 2006-01-13 2007-07-18 深圳迈瑞生物医疗电子股份有限公司 流量监测与控制的方法及装置
CN101288791A (zh) * 2007-04-18 2008-10-22 深圳迈瑞生物医疗电子股份有限公司 一种麻醉机呼吸装置及其流量传感器的标定方法
US20100258117A1 (en) * 2007-09-10 2010-10-14 Stefan Hargasser Anaesthesia Breathing System
CN101896216A (zh) * 2007-11-14 2010-11-24 马奎特紧急护理公司 带有可变患者回路容量的患者盒

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020087397A1 (fr) 2018-10-31 2020-05-07 深圳迈瑞生物医疗电子股份有限公司 Procédé et dispositif de respiration d'anesthésie
EP3875135A4 (fr) * 2018-10-31 2021-11-24 Shenzhen Mindray Bio-Medical Electronics Co., Ltd. Procédé et dispositif de respiration d'anesthésie

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