WO2019029185A1 - Valve d'inhalation présentant un conduit d'air de dérivation, et ventilateur - Google Patents

Valve d'inhalation présentant un conduit d'air de dérivation, et ventilateur Download PDF

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Publication number
WO2019029185A1
WO2019029185A1 PCT/CN2018/083753 CN2018083753W WO2019029185A1 WO 2019029185 A1 WO2019029185 A1 WO 2019029185A1 CN 2018083753 W CN2018083753 W CN 2018083753W WO 2019029185 A1 WO2019029185 A1 WO 2019029185A1
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WIPO (PCT)
Prior art keywords
air passage
bypass
airway
bypass air
main
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Application number
PCT/CN2018/083753
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English (en)
Chinese (zh)
Inventor
陈永辉
廖致刚
周小明
Original Assignee
深圳融昕医疗科技有限公司
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Application filed by 深圳融昕医疗科技有限公司 filed Critical 深圳融昕医疗科技有限公司
Publication of WO2019029185A1 publication Critical patent/WO2019029185A1/fr

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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. mouth-to-mouth respiration; Tracheal tubes
    • 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/20—Valves specially adapted to medical respiratory devices

Definitions

  • the present application relates to a medical device, and more particularly to an inhalation valve and a ventilator having a bypass airway.
  • a ventilator is a device that can replace, control or change a person's normal physiological breathing. It is often used to increase the patient's lung ventilation, improve the patient's respiratory function, reduce respiratory power consumption, and save the patient's heart reserve.
  • the inspiratory valve is an essential part of the ventilator and is often used as an interface for the patient to inhale the inspiratory air supply.
  • the upstream of the inspiratory valve is often connected to the inspiratory flow control system, and downstream to the respiratory device, such as the breathing circuit, humidifier, and the like.
  • the existing inspiratory valves are used only for the patient to inhale the gas, and the patient cannot pass the airway when the patient exhales the gas. Therefore, the existing inhalation valve is only suitable for the two-legged breathing circuit.
  • the invasive breathing mode is not suitable for the non-invasive breathing mode of a single breathing circuit, so it is not compatible with the two, which leads to the existence of an invasive ventilator and a non-invasive ventilator in the ventilator currently on the market.
  • the main purpose of the present application is to provide an inhalation valve and a ventilator with a bypass airway, which aims to realize an integrated invasive breathing mode and a non-invasive breathing mode of the ventilator, which can be conveniently and quickly used by patients.
  • the present application provides an inhalation valve having a bypass air passage, the inhalation valve having a bypass air passage including an inhalation valve body and a mounting seat, the inhalation valve body being disposed at the The mounting seat is detachably connected to the mounting seat, and the suction valve body comprises: a main air passage, a bypass air passage, a main airway diaphragm and a bypass air passage membrane;
  • the main airway diaphragm is installed in the main airway
  • the bypass airway membrane is disposed in the bypass air passage
  • the mount includes an airway switching drive that controls the bypass airway diaphragm to close and/or open the bypass airway.
  • the present application further provides a ventilator including an inhalation valve having a bypass air passage, the ventilator further comprising a control panel, the control panel for controlling the gas The track switches the opening and/or closing of the drive.
  • FIG. 1 is a schematic structural view of an inhalation valve having a bypass air passage according to the present application
  • Figure 2 is a schematic diagram of a gas path of an embodiment of an inhalation valve having a bypass air passage
  • Figure 3 is a schematic diagram of a gas path of another embodiment of the inhalation valve with a bypass air passage of the present application;
  • Figure 4 is a schematic diagram of an inhalation valve exhalation mode of the present application with a bypass airway;
  • Figure 5 is a schematic view showing the structure of the ventilator of the present application.
  • the main object of the present application is to provide an inhalation valve and a ventilator having a bypass airway.
  • the inhalation valve having a bypass air passage includes an inhalation valve body 1, a mount 2, a main airway diaphragm 101, and a bypass airway diaphragm 201, the suction
  • the air valve main body 1 is disposed on the mounting base 2, and is detachably connected to the mounting base 2.
  • the intake valve main body 1 is formed with a main air passage 10 and a bypass air passage 20; the main air passage diaphragm 101 is installed in the main air passage 10; the bypass air passage diaphragm 201 is disposed in the bypass air passage 20.
  • the main airway diaphragm 101 is a flexible sheet-like structure, and the main airway diaphragm 101 has a connecting end and a free end, and the connecting end of the main airway diaphragm 101 is connected to the inner wall of the main air passage 10.
  • the free end of the main airway diaphragm 101 is movable under the action of the air flow to bend the main airway diaphragm 101 to cause the main air passage 10 to open.
  • the bypass airway diaphragm 201 is a rigid sheet-like structure.
  • the mount 2 includes an airway switching drive 211 that controls the bypass airway diaphragm 201 to close and/or open the bypass air passage 20.
  • the bypass air passage 20 has a first opening 203 and a second opening 204, and one end of the bypass air passage 20 communicates with the main air passage 10 through the first opening 203, bypassing the other end of the air passage 20.
  • the main air passage 10 is in communication through the second opening 204.
  • the first opening 203 and the second opening 204 are respectively located at two sides of the main airway diaphragm 101.
  • the bypass airway membrane 201 covers the second opening 204, and the second opening 204 is adjacent to the patient end with respect to the first opening 203.
  • the bypass airway membrane 201 can also cover the first opening 203.
  • the primary airway 10 and the bypass airway 20 may also be disposed in parallel and independently of one another.
  • the suction valve body further includes a first spring 202.
  • the air passage switching drive member 211 and the bypass air passage diaphragm 201 are connected by the first spring 202.
  • the mounting seat 2 is fixed on the frame of the ventilator as the base of the suction valve body, functions to restrain the main body of the suction valve and other components, and has a fixed supporting function for the main body of the suction valve.
  • the suction valve main body is detachably connected to the mounting seat, and can be detachably attached to the mounting seat 2 to facilitate cleaning of the suction valve main body.
  • the mounting seat 2 has a mounting cavity (not shown in FIG. 1).
  • the mounting cavity forms a suction with the outer surface of the suction valve body.
  • the air pressure regulates the air passage (the suction air pressure adjustment air passage is not shown in Fig. 1).
  • the mount 2 can be fixed to the frame by screw fastening or snapping.
  • the number of bypass air passages 20 is at least one. When the number of bypass air passages 20 is plural, the plurality of bypass air passages 20 may be arranged in parallel in parallel or in series.
  • the inhalation valve having a bypass air passage includes a main body of the inhalation valve, the main air passage 10 and the bypass air passage 20 are disposed on the main body of the inhalation valve; and the main air passage is disposed in the main air passage 10
  • the diaphragm 101; the air passage switching drive member 211 and the bypass air passage diaphragm 201 are disposed in the bypass air passage 20.
  • the airway switching drive member 211 and the bypass airway diaphragm 201 may also be connected by means other than a spring.
  • the air passage switching drive member 211 and the bypass air passage diaphragm 201 may also pass through an elastic plastic member or a sleeve.
  • the telescopic members are connected to meet the needs of the actual operation of the air passage switching drive member 211 of the intake valve main body 1.
  • the airway switching drive member 211 is an airway switching valve, and may be an airway switching electronic component; the bypass airway diaphragm 201 is disposed at the top end of the airway switching drive member.
  • the air source which is not shown in FIG. 1
  • the air source is air and/or Or oxygen enters the patient's end through the main airway 10 to complete the inhalation process; during exhalation, the gas such as carbon dioxide exhaled by the patient is exhaled through an external auxiliary device (not shown).
  • the airway switching drive member 211 drives the bypass airway diaphragm 201 away from the second opening 204, so that the main airway 10 and the bypass The airway 20 is connected, and the carbon dioxide gas exhaled by the patient enters the bypass airway 20 from the main airway 10, and then escapes through the first opening 203, thereby completing a complete inhalation and exhalation process.
  • FIG. 2 is a schematic diagram of a gas path of an embodiment of an inhalation valve having a bypass air passage according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of an inhalation valve of an inhalation valve having a bypass air passage according to the present application.
  • the main airway and the bypass airway are in a parallel relationship, so that when the airway switching drive stops energizing, the diaphragm 201 is in a closed state, and the gas passes through the main airway 10 to the main airway diaphragm 101.
  • the air and/or oxygen in the air source (not shown in Figure 1) is sent to the patient end to complete the inhalation process; since the normal human breathing process includes inhalation and exhalation The process, and the inhalation process and the expiratory process alternate to meet the normal breathing needs of the human body.
  • the airway switching drive member starts to be energized, and the airway switching drive member 211 drives the bypass airway diaphragm 201 away from the second opening 204.
  • a blocking member is disposed on the inner wall of the main airway, and the blocking member can prevent the main airway diaphragm 101 from being bent away from the patient end, so that the gas exhaled by the patient end (gas such as carbon dioxide) cannot pass through the main airway 10
  • the airway diaphragm 101 is pushed open and can only be energized by the airway switching drive member, so that the exhalation can be expelled through the airway switching drive member and the bypass air passage 20, thereby completing the process of exhalation and thus having a bypass airway.
  • the inspiratory valve meets the needs of both practical applications of non-invasive breathing mode and invasive breathing mode.
  • FIG. 3 is a schematic diagram of a gas path of another embodiment of an inhalation valve having a bypass air passage according to the present application
  • FIG. 4 is a schematic diagram of an inhalation valve of an inhalation valve having a bypass air passage according to the present application
  • c the primary airway and the bypass airway are in a selective relationship.
  • the airway switching drive member is not energized, the bypass airway diaphragm 201 closes the second opening 204, the gas pushes the main airway diaphragm 101 through the main air passage 10, and the gas is passed through the main air passage 10.
  • the process of inhalation is performed to the patient end; during the exhalation process, the channel is switched to the bypass airway 20, and the control airway switching drive moves the bypass diaphragm 201 away from the second opening 204, thereby bypassing the airway 20 connected, the gas exhaled by the patient end reaches the outside through the bypass airway.
  • the airway switching drive is energized, bypassing the airway diaphragm 201 away from the second opening 204, allowing the bypass air passage 20 to communicate, air and/or Oxygen enters the patient's end through the bypass airway 20, and during exhalation, the gas exhaled by the patient, such as carbon dioxide, is exhaled through an external auxiliary device. Therefore, the setting of the air circuit schematic b of the intake valve with the bypass air passage satisfies the need for practical application of the non-invasive breathing mode or the invasive breathing mode.
  • main air passage and the bypass air passage are in a selective relationship.
  • main air passage and the bypass air passage are two independent channels, a main air passage and a bypass air. The opening and closing of the road is controlled by means of a three-way valve.
  • the main airway and the bypass airway can be used as the patient's inspiratory channel; when the three-way valve is switched so that the main airway is connected, the bypass airway is closed, at this time air and / or oxygen Through the main airway into the patient's end, during exhalation, the gas exhaled by the patient is exhaled through an external auxiliary device; when the three-way valve is switched to the bypass airway, the main airway is closed, at this time air and / Or oxygen enters the patient's end through the bypass airway. During the exhalation process, the gas exhaled by the patient is exhaled through an external auxiliary device.
  • the present invention realizes that the ventilator integrates the invasive breathing mode and the non-invasive breathing mode by setting the bypass airway and the bypass airway diaphragm, and controlling the opening or closing of the bypass air passage by the airway switching driving member, which is convenient and quick. For patient use.
  • the application also provides a ventilator.
  • FIG. 5 is a schematic structural view of a ventilator of the present application.
  • the ventilator includes the inspiratory valve body 1 and the mount 2, and further includes a control panel 3 for controlling the opening and/or closing of the airway switching drive member 211.
  • the ventilator includes an inhalation valve having a bypass air passage and a control panel 3, and a gas source, a power outlet 5, and a switch button 4.
  • the air source and the control panel 3 are connected in a manner of electrical signal feedback, thereby enabling adjustment of the intake valve to open and/or close.
  • the power socket 5 is disposed in a rear casing of the ventilator for connecting the ventilator to an external power grid, and the ventilator further includes a power cord and a power adapter. (The power cord and the power adapter are also not shown in the figure. ).
  • the ventilator's inhalation valve can be electrically connected to an external power source through a power outlet 5, a power cord, and a power adapter for ease of use.
  • the switch button 4 is disposed on an upper surface of the ventilator for controlling opening and closing of the ventilator; when the user uses the inhalation valve, the ventilator can be turned on by turning on the switch button 4; After the end of use, the ventilator can be turned off by turning off the switch button 4.
  • the application adopts the above technical solution to realize the integration of the invasive breathing mode and the non-invasive breathing mode of the ventilator, which can be conveniently and quickly used by the patient.

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  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (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 une valve d'inhalation présentant un conduit d'air de dérivation, et un ventilateur. La valve d'inhalation comprend un corps de valve d'inhalation (1), un siège de montage (2), un diaphragme de conduit d'air principal (101) et un diaphragme de conduit d'air de dérivation (201). Le corps de valve d'inhalation (1) est disposé sur le siège de montage (2), le corps de valve d'inhalation (1) et le siège de montage (2) étant reliés amovibles. Le corps de valve d'inhalation (1) est pourvu d'un conduit d'air principal (10) et d'un conduit d'air de dérivation (20). Le diaphragme de conduit d'air principal (101) est logé dans le conduit d'air principal (10), et le diaphragme de conduit d'air de dérivation (201) est disposé dans le conduit d'air de dérivation (20). Le siège de montage (2) comprend un élément d'entraînement de commutation de conduit d'air (211) qui est utilisé en vue de commander la fermeture et/ou l'ouverture du diaphragme de conduit d'air de dérivation (201). Le ventilateur comprend la valve d'inhalation.
PCT/CN2018/083753 2017-08-09 2018-04-19 Valve d'inhalation présentant un conduit d'air de dérivation, et ventilateur WO2019029185A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201720991403.6 2017-08-09
CN201720991403.6U CN208097083U (zh) 2017-08-09 2017-08-09 具有旁路气道的吸气阀及呼吸机

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WO2019029185A1 true WO2019029185A1 (fr) 2019-02-14

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998022171A1 (fr) * 1995-05-26 1998-05-28 Satoshi Kobayashi Dispositif d'alimentation en oxygene capable d'ajuster la concentration d'oxygene administre a un patient respirant spontanement au moyen d'un tube ou d'un masque tracheal
CN104114218A (zh) * 2011-11-11 2014-10-22 瑞思迈有限公司 用于呼吸治疗的交换器组件
CN105617527A (zh) * 2014-11-06 2016-06-01 深圳迈瑞生物医疗电子股份有限公司 安全阀及呼吸机
US9492086B2 (en) * 2012-03-21 2016-11-15 Fresca Medical, Inc. Apparatus, systems, and methods for treating obstructive sleep apnea
CN107308531A (zh) * 2017-08-09 2017-11-03 深圳融昕医疗科技有限公司 呼吸机及其多功能吸气阀

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998022171A1 (fr) * 1995-05-26 1998-05-28 Satoshi Kobayashi Dispositif d'alimentation en oxygene capable d'ajuster la concentration d'oxygene administre a un patient respirant spontanement au moyen d'un tube ou d'un masque tracheal
CN104114218A (zh) * 2011-11-11 2014-10-22 瑞思迈有限公司 用于呼吸治疗的交换器组件
US9492086B2 (en) * 2012-03-21 2016-11-15 Fresca Medical, Inc. Apparatus, systems, and methods for treating obstructive sleep apnea
CN105617527A (zh) * 2014-11-06 2016-06-01 深圳迈瑞生物医疗电子股份有限公司 安全阀及呼吸机
CN107308531A (zh) * 2017-08-09 2017-11-03 深圳融昕医疗科技有限公司 呼吸机及其多功能吸气阀

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