WO2012045264A1 - 氧电池座组件、氧电池组件及麻醉机 - Google Patents

氧电池座组件、氧电池组件及麻醉机 Download PDF

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Publication number
WO2012045264A1
WO2012045264A1 PCT/CN2011/080151 CN2011080151W WO2012045264A1 WO 2012045264 A1 WO2012045264 A1 WO 2012045264A1 CN 2011080151 W CN2011080151 W CN 2011080151W WO 2012045264 A1 WO2012045264 A1 WO 2012045264A1
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WO
WIPO (PCT)
Prior art keywords
oxygen battery
control valve
flow passage
battery holder
air flow
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PCT/CN2011/080151
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English (en)
French (fr)
Inventor
冯万春
陈培涛
Original Assignee
深圳迈瑞生物医疗电子股份有限公司
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Publication of WO2012045264A1 publication Critical patent/WO2012045264A1/zh

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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
    • A61M16/01—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes specially adapted for anaesthetising
    • 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
    • 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
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
    • A61M2016/102—Measuring a parameter of the content of the delivered gas
    • A61M2016/1025—Measuring a parameter of the content of the delivered gas the O2 concentration
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/70—General characteristics of the apparatus with testing or calibration facilities
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7736—Consistency responsive

Definitions

  • This invention relates to the field of anesthesia machines, and more particularly to an oxygen battery assembly for use in the airway of an anesthesia breathing system.
  • the oxygen battery is a sensor for detecting the oxygen concentration of fresh gas in the anesthesia machine, and is installed in the mounting hole of the air circuit of the respiratory system of the anesthesia machine. Since the oxygen battery needs to be calibrated every day, when calibrating, the oxygen battery needs to be placed in the air of 21% oxygen concentration. At this time, the installation hole needs to be sealed to avoid the leakage of gas in the respiratory system and ensure the respiratory system. Normal ventilation.
  • Another prior art solution is to provide a separate plug in the mounting hole, and block the mounting hole after the oxygen battery is removed to ensure normal ventilation of the respiratory system, but the operation is cumbersome and must be managed. Plug the head to prevent loss.
  • An object of the present invention is to provide an oxygen battery holder assembly, an oxygen battery assembly, and an anesthesia machine capable of preventing leakage of gas in a respiratory system air passage and facilitating operation when calibrating an oxygen battery unit, in view of the deficiencies of the prior art.
  • an oxygen battery holder assembly for connecting an anesthesia breathing system gas path and an oxygen battery unit, including an oxygen battery holder and a control valve, the oxygen battery holder having a through-hole An air flow passage having a valve port for the gas of the breathing system gas path to flow into the air flow passage, the control valve having a degree of freedom of linear movement with respect to the oxygen battery seat, the control valve being in motion thereof a closed position and an open position on the trajectory, wherein the oxygen battery unit pushes the control valve from the closed position to the open position by the valve body when the oxygen battery unit is loaded into the air flow passage, so that the respiratory system
  • the gas path, the gas flow channel and the oxygen battery unit are in communication; when the oxygen battery unit leaves the air flow channel, the control valve is automatically reset to the closed position and closes the valve port.
  • the oxygen battery holder assembly further includes an elastic return member for automatically resetting the spool from an open position to a closed position, the reset member being disposed between the oxygen battery holder and the control valve.
  • control valve includes a fixedly connected valve body for receiving a driving force of the oxygen battery unit, and the sealing portion is automatically reset to the closed position, the sealing portion The valve port is closed.
  • the sealing portion includes an elastic sealing ring, and the sealing portion seals and blocks the valve port through the sealing ring when the control valve is in a closed position.
  • the air flow channel includes at least one flow guiding channel for guiding the air flow, the flow guiding channel is formed by a fluid guiding body, and the guiding flow channel is connected to the respiratory system gas path when the control valve is in an open position And oxygen battery unit.
  • the fluid guiding body is a baffle
  • the baffle has at least two
  • the valve body includes a central axis
  • the baffles are radially distributed on the central axis around the central axis.
  • the flow guiding channel is formed between two adjacent baffles.
  • the air flow passage the sealing portion protrudes outwardly from the air flow passage
  • the returning member is a spring
  • the spring is located inside the air flow passage and is sleeved on the valve body, the air flow
  • a first stop step is disposed in the passage, and the valve body is correspondingly provided with a second stop step, and the two ends of the spring respectively abut the first stop step and the second stop step.
  • valve body and the passage wall of the air flow passage constitute a sliding pair.
  • An oxygen battery assembly includes an oxygen battery unit and the oxygen battery holder assembly, the oxygen battery unit being detachably coupled to an air flow passage of the oxygen battery holder assembly.
  • oxygen battery unit is plugged or screwed with the air flow channel.
  • An anesthesia machine includes a respiratory system gas circuit and the oxygen battery holder assembly.
  • the utility model has the beneficial effects that the component has a self-closing function, that is, after the oxygen battery unit is unplugged, the control valve can automatically reset to close the valve port, thereby avoiding gas leakage of the respiratory system gas path, and oxygen is inserted when the oxygen battery unit is inserted.
  • the battery unit pushes the control valve to make the control valve out of the valve port, guide the airflow into the oxygen battery, and complete the detection of the oxygen concentration; the structure can automatically close the valve port when the oxygen battery unit is unplugged at any time, thereby avoiding gas leakage and convenient operation. There is no risk of gas leakage due to forgetting the plug in the prior art.
  • FIG. 1 is an exploded perspective view of an oxygen battery assembly of the present embodiment
  • Figure 2 is a cross-sectional view of the oxygen battery holder assembly of the present embodiment
  • FIG. 3 is a cross-sectional view of the oxygen battery module of the present embodiment after the oxygen battery unit is taken out;
  • FIG. 4 is a cross-sectional view of the oxygen battery module of the present embodiment after the oxygen battery unit is installed.
  • Figure 5 is a cross-sectional view of the oxygen battery unit after being loaded into an embodiment of the oxygen battery assembly
  • Figure 6 is a cross-sectional view of the oxygen battery unit after it is loaded into another embodiment of the oxygen battery assembly.
  • the oxygen battery holder assembly 1 of the present embodiment is installed in the respiratory system gas path of the anesthesia machine for connecting the respiratory system gas path and the oxygen battery unit 4.
  • the oxygen battery holder assembly 1 includes an oxygen battery holder 2 and a control valve 3 having a gas flow passage 21 therethrough, the gas flow passage 21 having a valve port 22 through which gas of the respiratory system gas passage can flow into the gas flow Channel 21.
  • the control valve 3 has a valve body 31 and a sealing portion 32 that are fixedly coupled, and the sealing portion 32 matches the valve port 22 of the air flow passage.
  • the control valve 3 has a degree of freedom of linear movement with respect to the oxygen battery holder 2, the control valve 3 having a closed position and an open position in its trajectory. In the closed position, the sealing portion 32 closes the valve port 22 of the oxygen battery holder 2 to block The air flow passage 21 is configured to prevent the gas of the respiratory system from flowing into the oxygen battery unit 4; in the open position, the sealing portion 32 is separated from the valve port 22 to conduct the air flow passage 21, so that the gas of the respiratory system can flow into the oxygen battery. Unit 4. In the open position, the control valve 3 is subjected to a restoring force that enables it to be automatically reset to the closed position.
  • the control valve 4 In the normal state, the control valve 4 is in the closed position.
  • the oxygen battery unit 4 When the oxygen battery unit 4 is inserted into the air flow passage 21 of the oxygen battery holder 2, the oxygen battery unit 4 can withstand the valve body 31 of the control valve 3 and push the entire control valve 3 linearly to the open position, in the process, the oxygen battery The driving force of the unit 4 overcomes the restoring force, and the sealing portion 32 of the control valve 3 leaves the valve port 22 of the air flow passage, so that the gas of the breathing system air path can flow into the oxygen battery unit 4 through the air flow passage 21 to realize oxygen concentration detection;
  • the control valve 3 When the battery unit 4 needs to be calibrated in the air, the oxygen battery unit 4 is taken out from the air flow passage 21, and under the action of the restoring force, the control valve 3 is automatically reset to the closed position, and the sealing portion 32 of the control valve 3 closes the valve port. 22, the air flow passage 21 is blocked, so that the gas of the respiratory system air passage cannot flow into the air flow passage 21 to achieve sealing,
  • FIG. 1 to 4 it is a second embodiment of an oxygen battery holder assembly.
  • the restoring force is provided by a resilient return member 5, which is located between the control valve 3 and the oxygen battery holder 2.
  • the reset member 5 automatically resets the control valve 3 from the open position to the closed position.
  • the reset member 5 is a compression spring, a tension spring, a gas spring, a reed or the like which can automatically reset the control valve 3.
  • the restoring force may be the gravity of the control valve 3, that is, when the oxygen battery unit 4 is taken out from the air flow passage 21, the control valve 3 can be automatically reset from the open position by gravity. Closed position.
  • the air flow passage 21 can include a plurality of gas flow guides.
  • the flow guiding passage 23 is formed by a fluid guiding passage 33 which is provided on the valve body 31 of the control valve 3. When the control valve 3 is in the open position, gas of the respiratory system gas path can flow into the oxygen battery unit 4 through the flow guiding passage 23.
  • the guiding fluid 33 may have one or more.
  • the oxygen battery holder assembly 1 includes an oxygen battery holder 2, a control valve 3, and a reset member 5.
  • the oxygen battery holder 2 has a gas flow passage 21 therethrough.
  • the gas flow passage 21 has opposite first ends 24 and second ends 25, and the first end 24 is provided with a valve port 22, and the valve port 22 has a small outer diameter and a small inner diameter.
  • the end 25 is for loading the oxygen supply battery unit 4.
  • the control valve 3 includes a fixedly connected valve body 31 and a sealing portion 32.
  • the valve body 31 includes a central shaft 34 and a plurality of baffles as a fluid guide 33.
  • the baffles are radially distributed around the central axis 34.
  • a flow guiding passage 23 is formed between two adjacent baffles.
  • the sealing portion 32 includes a seal ring 35 that is elastic and can be deformed when subjected to a force.
  • the reset member 5 has elasticity, and the reset member is a spring.
  • the sealing portion 32 of the control valve extends outwardly from the air flow passage 21 of the oxygen battery holder, and the valve body 31 of the control valve extends inwardly into the air flow passage 21, and the reset member 5 is located inside the air flow passage and
  • the valve body 31 is sleeved on the valve body 31, and the valve body 31 and the oxygen battery holder 2 are respectively pressed at both ends of the reset member 5.
  • the sealing portion 32 of the control valve In the initial position, under the elastic force of the resetting member 5, the sealing portion 32 of the control valve is sealed by the sealing ring 35 and blocks the valve port 22 of the air flow passage, so that the respiratory system gas path is not in communication with the ambient atmosphere.
  • the oxygen battery unit 4 When the oxygen concentration detection is required, the oxygen battery unit 4 is loaded into the air flow passage 21 from the second end 25 of the air flow passage.
  • the reset member 5 is compressed, and the oxygen battery unit 4 is pushed by the valve body 31 of the control valve.
  • the control valve 3 is linearly moved to the open position. At this time, the seal ring 32 is separated from the valve port 22, and the gas of the respiratory system gas path flows into the oxygen battery unit 4 through the valve port and the flow guiding passage.
  • the oxygen cell unit 4 is removed from the gas flow path 21, the reset member 5 is restored to deformation, and the control valve 3 is automatically reset to the closed position to re-block the valve port 22.
  • the gas flow passage 21 of the oxygen battery holder 2 may be stepped, and may include a first air flow passage 211, a second air flow passage 212, and a third air flow that are sequentially connected from the outside to the inside and have an inner diameter gradually increasing.
  • the channel 213, the third airflow channel 213 and the oxygen battery unit 4 are matched, and the first airflow channel 211 and the second airflow channel 212 form a first stop step 214 at the interface, and the second airflow channel 212 and the third airflow channel 213 are formed at the boundary.
  • the valve body 31 of the control valve is provided with a second stop step 36, and both ends of the reset member 5 abut against the first stop step 214 and the second stop step 36, respectively.
  • the channel wall of the third air flow passage 213 may be recessed with a positioning groove 27.
  • the oxygen battery unit 4 has a positioning ring 41 for corresponding to the positioning groove 27. When the oxygen battery unit 4 is in place, the oxygen battery unit 4 is located in the third air flow passage 213 and abuts against the limiting step 26, the positioning ring 41 falls into the positioning groove 27.
  • control valve 3 can form a sliding pair with the passage wall 210 of the air flow passage 21 such that the control valve 3 can slide linearly along the passage wall 210.
  • the oxygen battery holder assembly includes an oxygen battery holder 2 and a control valve 3.
  • the oxygen battery holder 2 has a gas flow passage 21 therethrough, which has a valve port 22.
  • the control valve 3 is rotatably mounted at the valve port 22 by a hinge 6, so that the control valve 3 forms a hinged shutter structure.
  • the control valve 3 has a closed position and an open position, the restoring force of which is reset from the open position to the closed position is provided by the reset member 5, such as a torsion spring.
  • the reset member can be pressed between the oxygen battery holder 2 and the control valve 3.
  • the front end thereof opens the control valve 3, causing the control valve 3 to rotate to the open position, and the gas of the respiratory system gas passage can enter the oxygen battery unit 4.
  • the control valve 3 is rotated to the closed position by the torsion spring to close the valve port 22.
  • the oxygen battery unit 4 may have a fluid guide 33 at its front end for guiding the flow of the gas, and the guide fluid 33 pushes the control valve 3 to rotate when the oxygen battery unit 4 is inserted.
  • the oxygen battery holder assembly includes an oxygen battery holder 2 and a control valve 3 having a gas flow passage 21 therethrough, the gas flow passage 21 having a valve port 22.
  • the control valve 3 is engaged with the end face of the valve port 22, that is, the control valve 3 corresponds to a valve-valve shutter structure.
  • the control valve 3 has a closed position and an open position, the restoring force of which is reset from the open position to the closed position is provided by the reset member 5, such as a compression spring.
  • the reset member 5 can be connected to the oxygen battery holder 2 and the control valve 3 and is pressed between the oxygen battery holder 2 and the control valve 3.
  • the pilot gas 33 at the front end thereof opens the control valve 3, and the air flow can enter the oxygen battery unit 4.
  • the control valve 3 is reset by the elastic force of the compression spring.
  • the valve port 22 is closed to the closed position.
  • the oxygen battery holder assembly of the present invention can have an oxygen battery holder and a control valve.
  • the oxygen battery holder is used to provide a support or mounting location for other components of the assembly.
  • the oxygen battery holder can be a separate component or can be processed directly into the breathing system air circuit of the anesthesia machine.
  • the oxygen battery holder can have a gas flow passage therethrough.
  • the control valve may include a fixedly coupled valve body for receiving the urging force of the oxygen battery unit and a seal for opening or sealing the valve port of the air flow passage.
  • the sealing portion may be a resilient sealing ring, such as a standard sealing ring having good sealing and interchangeability, or a sealing gasket. Of course, the sealing portion may also be its own surface.
  • the gas flow passage may include one or more flow guiding passages for guiding the flow of the gas, the flow guiding passage being formed by the flow guiding fluid, such that when the control valve is in the open position, the gas of the breathing system gas passage can flow into the oxygen battery unit through the flow guiding passage.
  • the fluid guiding fluid may be disposed at the control valve, and the fluid guiding fluid may be located inside the air flow passage; the fluid guiding fluid may also be disposed at the oxygen battery seat.
  • the fluid guiding fluid may also be disposed in the oxygen battery unit, and when the oxygen battery unit is installed in the air flow passage, the fluid guide gas extends into the air flow passage and pushes the control valve.
  • the structure of the fluid guiding body may be the aforementioned radially distributed deflector, or may be a draft tube, or other structures capable of functioning as a flow guiding.
  • the oxygen battery holder assembly can include a reset member for resetting the control valve.
  • the reset member may be located inside the air flow passage or outside the air flow passage.
  • An oxygen battery assembly comprising an oxygen battery unit and the aforementioned oxygen battery holder assembly, the oxygen battery unit being detachably mounted in an air flow passage of the oxygen battery holder assembly.
  • the detachable method is, for example, a plug-in fit, a snap fit, a thread fit, and the like.
  • An anesthesia machine comprising a respiratory system gas circuit and the aforementioned oxygen battery holder assembly.

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  • Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Emergency Medicine (AREA)
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Abstract

一种氧电池座组件(1)、氧电池组件及麻醉机，包括氧电池座(2)及控制阀(3)，氧电池座(2)具有贯穿的气流通道(21)，气流通道(21)具有供呼吸系统气路的气体流入气流通道(21)的阀口(22)，控制阀(3)具有相对氧电池座(2)直线运动的自由度，控制阀(3)在其运动轨迹上具有封闭位置和打开位置，氧电池单元(4)离开气流通道(21)时，控制阀(3)自动复位至封闭位置并封闭阀口(22)。氧电池座组件(1)在任何时候拔掉氧电池单元(4)，均可自动封闭阀口(22)，避免气体外泄，操作方便，不会出现因遗忘堵头而导致气体外泄的风险。

Description

氧电池座组件、氧电池组件及麻醉机 技术领域
本发明涉及麻醉机领域，尤其是关于一种应用在麻醉机呼吸系统气路上的氧电池组件。
 背景技术
氧电池是麻醉机中用于新鲜气体氧气浓度检测的传感器，其安装于麻醉机的呼吸系统气路的安装孔中。由于氧电池需要每天校准，校准时，需要将氧电池置于21%氧浓度的空气中，这时安装孔就需要采取密封措施，避免呼吸系统气路内的气体外泄，保证呼吸系统气路的正常通气。
一种现有的技术方案是安装孔处无堵头，拔掉氧电池后，呼吸系统气路就直接与外界环境大气相通，无密封措施。所以，一般需要在呼吸系统气路通气之前完成氧电池校准，带来了操作的不便。若在呼吸系统气路通气期间拔下氧电池校准，就不能保证呼吸系统气路的正常通气，且会造成麻醉气体外泄，污染空气而不环保。
另外一种现有的技术方案是在安装孔设置一个独立的堵头，在拔掉氧电池以后堵住该安装孔，以保证呼吸系统气路的正常通气，但是这样操作繁琐，且必须管理好堵头，防止丢失。
 技术问题
本发明的目的是针对现有技术的不足，提供一种能够在校准氧电池单元时、防止呼吸系统气路的气体外泄且操作方便的氧电池座组件、氧电池组件及麻醉机。
 技术解决方案
为实现上述目的，本发明采用了以下技术方案：一种氧电池座组件，用于连接麻醉机呼吸系统气路及氧电池单元，包括氧电池座及控制阀，所述氧电池座具有贯穿的气流通道，所述气流通道具有供所述呼吸系统气路的气体流入所述气流通道的阀口，所述控制阀具有相对所述氧电池座直线运动的自由度，所述控制阀在其运动轨迹上具有封闭位置和打开位置，所述氧电池单元装入所述气流通道时，所述氧电池单元通过所述阀体推动所述控制阀由封闭位置运动至打开位置，使所述呼吸系统气路、气流通道及氧电池单元连通；所述氧电池单元离开所述气流通道时，所述控制阀自动复位至所述封闭位置并封闭所述阀口。
进一步的，所述的氧电池座组件还包括用于使所述阀芯由打开位置自动复位至封闭位置的弹性复位件，所述复位件设于所述氧电池座和控制阀之间。
进一步的，所述控制阀包括固定连接的阀体和密封部，所述阀体用于接收所述氧电池单元的推动力，所述控制阀自动复位至所述封闭位置时，所述密封部封闭所述阀口。
进一步的，所述密封部包括弹性密封圈，所述控制阀在封闭位置时，所述密封部通过所述密封圈密封并堵住所述阀口。
进一步的，所述气流通道包括至少一个用于引导气流的导流通道，所述导流通道由导流体形成，所述控制阀位于打开位置时，所述导流通道连通所述呼吸系统气路和氧电池单元。
进一步的，所述导流体为导流板，所述导流板有至少两个，所述阀体包括中心轴，各导流板围绕所述中心轴并辐射状分布在所述中心轴上，相邻的两个导流板之间形成所述导流通道。
进一步的，所述气流通道，所述密封部向外伸出所述气流通道，所述复位件为弹簧，所述弹簧位于所述气流通道的内部并套在所述阀体上，所述气流通道内设有第一止挡台阶，所述阀体对应设有第二止挡台阶，所述弹簧的两端分别抵住所述第一止挡台阶和第二止挡台阶。
进一步的，所述阀体与所述气流通道的通道壁构成滑动副。
一种氧电池组件，包括氧电池单元和所述的氧电池座组件，所述氧电池单元与所述氧电池座组件的气流通道可拆卸连接。
进一步的，所述氧电池单元与所述气流通道插拔配合或螺纹配合。
一种麻醉机，包括呼吸系统气路和所述的氧电池座组件。
有益效果
本发明的有益效果是：该组件具有自封闭功能，即拔掉氧电池单元后，控制阀能够自动复位而封闭阀口，避免呼吸系统气路的气体外泄，当插入氧电池单元时，氧电池单元推动控制阀，使控制阀脱离阀口，引导气流进入氧电池，完成氧浓度的检测；该结构在任何时候拔掉氧电池单元，均可自动封闭阀口，避免气体外泄，操作方便，不会出现现有技术中因遗忘堵头而导致气体外泄的风险。
 附图说明
图1是本实施方式氧电池组件的立体分解图；
图2是本实施方式氧电池座组件的剖视图；
图3是氧电池单元取出后、本实施方式氧电池组件的剖视图；
图4是氧电池单元装入后、本实施方式氧电池组件的剖视图。
图5是氧电池单元装入一种实施方式氧电池组件后的剖视图；
图6是氧电池单元装入另一种实施方式氧电池组件后的剖视图。
 本发明的实施方式
下面通过具体实施方式结合附图对本发明作进一步详细说明。
如图1至图4所示，本实施方式氧电池座组件1安装在麻醉机的呼吸系统气路中，其用于连接该呼吸系统气路和氧电池单元4。氧电池座组件1包括氧电池座2及控制阀3，氧电池座2具有贯穿的气流通道21，该气流通道21具有阀口22，呼吸系统气路的气体能够通过该阀口22流入该气流通道21。控制阀3具有固定连接的阀体31和密封部32，密封部32与气流通道的阀口22匹配。
控制阀3具有相对氧电池座2直线运动的自由度，该控制阀3在其运动轨迹上具有封闭位置和打开位置，在封闭位置时，密封部32封闭氧电池座2的阀口22而阻断气流通道21，使呼吸系统气路的气体不能流入氧电池单元4；在打开位置时，密封部32离开该阀口22而导通气流通道21，使呼吸系统气路的气体能够流入氧电池单元4。在打开位置时，控制阀3受到一个使其能够自动复位至封闭位置的复位力。
在常态时，控制阀4处于封闭位置。当氧电池单元4装入氧电池座2的气流通道21时，氧电池单元4能够抵住控制阀3的阀体31并推动整个控制阀3直线运动至打开位置，在该过程中，氧电池单元4的推动力克服复位力，控制阀3的密封部32离开气流通道的阀口22，使呼吸系统气路的气体能够经过气流通道21流入到氧电池单元4，实现氧浓度检测；当氧电池单元4需要在空气中校准的时候，则将氧电池单元4从气流通道21内取出，在复位力的作用下，控制阀3自动复位到封闭位置，控制阀3的密封部32封闭阀口22而阻断气流通道21，使呼吸系统气路的气体不能流入到气流通道21，实现密封，防止呼吸系统气路的气体外泄。
如图1至图4所示，其为氧电池座组件的第二具体实施方式。该实施方式与第一实施方式的主要区别在于：复位力由具有弹性的复位件5提供，该复位件5位于控制阀3和氧电池座2之间。当氧电池单元4从氧电池座2的气流通道21内取出时，该复位件5使控制阀3由打开位置自动复位到封闭位置。该复位件5如压缩弹簧、拉伸弹簧、气弹簧、簧片或其他能够自动复位控制阀3的结构体。当整个氧电池座组件1垂直安装时，该复位力可以是控制阀3的重力，即氧电池单元4从气流通道21内取出时，在重力作用下，控制阀3能够由打开位置自动复位到封闭位置。
如图1至图4所示，其为氧电池座组件的第三具体实施方式，该实施方式与第一、第二实施方式的主要区别在于：气流通道21可以包括多个用于引导气体流动的导流通道23，导流通道23由导流体33形成，导流体33设于控制阀3的阀体31上。控制阀3处于打开位置时，呼吸系统气路的气体能够通过导流通道23流入到氧电池单元4。当然，该导流通道23也可以仅有一个；导流体33可以有一个或多个。
如图1至图4所示，其为氧电池座组件的第四具体实施方式。氧电池座组件1包括氧电池座2、控制阀3及复位件5。氧电池座2具有贯穿的气流通道21，该气流通道21具有相对的第一端24和第二端25，第一端24设有阀口22，阀口22的口径外大内小，第二端25用于供氧电池单元4装入。
控制阀3包括固定连接的阀体31及密封部32，阀体31包括中心轴34及多个作为导流体33的导流板，各导流板以该中心轴34为中心并辐射状分布，相邻的两个导流板之间形成导流通道23。密封部32包括具有弹性、在受力时能产生形变的密封圈35。复位件5具有弹性，该复位件如弹簧。
氧电池座组件装配好后，控制阀的密封部32向外伸出氧电池座的气流通道21，控制阀的阀体31向内伸入该气流通道21，复位件5位于气流通道的内部并套在阀体31上，复位件5的两端分别紧压该阀体31和氧电池座2。
在初始位置时，在复位件5的弹性力作用下，控制阀的密封部32通过密封圈35密封并堵住气流通道的阀口22，使呼吸系统气路与环境大气不相通。需要进行氧浓度检测时，将氧电池单元4自气流通道的第二端25装入气流通道21，在装入过程中，复位件5被压缩，氧电池单元4通过控制阀的阀体31推动控制阀3直线移动至打开位置，此时，密封圈32脱离阀口22，呼吸系统气路的气体通过阀口、导流通道流入到氧电池单元4。需要进行校准时，将氧电池单元4从气流通道21内取出，复位件5恢复形变，使控制阀3自动复位到封闭位置而重新堵住阀口22。
对于氧电池座组件，氧电池座2的气流通道21可以为阶梯状，其可以包括由外到内顺次连通且内径逐渐增大的第一气流通道211、第二气流通道212和第三气流通道213，第三气流通道213和氧电池单元4匹配，第一气流通道211和第二气流通道212交界处形成第一止挡台阶214，第二气流通道212和第三气流通道213交界处形成限位台阶26。控制阀的阀体31设有第二止挡台阶36，复位件5的两端分别抵住第一止挡台阶214和第二止挡台阶36。
第三气流通道213的通道壁可以凹设有定位槽27。氧电池单元4具有用于与定位槽27对应的定位环41，当氧电池单元4装入到位时，氧电池单元4位于第三气流通道213内并抵靠在限位台阶26上，定位环41落入定位槽27内。
对于氧电池座组件，控制阀3可以和气流通道21的通道壁210构成滑动副，使该控制阀3可沿着该通道壁210直线滑动。
如图5所示，其为氧电池座组件的第五具体实施方式。氧电池座组件包括氧电池座2及控制阀3。氧电池座2具有贯穿的气流通道21，该气流通道21具有阀口22。控制阀3通过铰链6转动安装在该阀口22处，使控制阀3形成一个铰链式活门结构。控制阀3具有封闭位置和打开位置，其由打开位置复位至封闭位置的复位力由复位件5提供，该复位件如扭簧。复位件可以被紧压在氧电池座2和控制阀3之间。
当氧电池单元4插入气流通道21时，其前端顶开控制阀3，使控制阀3转动到打开位置，呼吸系统气路的气体即可进入氧电池单元4。当氧电池单元4取走时，在扭簧的作用下，控制阀3转动到封闭位置而封闭阀口22。
氧电池单元4可以具有位于其前端的用于引导气体流动的导流体33，氧电池单元4插入时，导流体33推动控制阀3转动。
如图6所示，其为氧电池座组件的第六具体实施方式。氧电池座组件包括氧电池座2及控制阀3，氧电池座2具有贯穿的气流通道21，该气流通道21具有阀口22。控制阀3与阀口22的端面配合，即控制阀3相当于一个阀片式活门结构。控制阀3具有封闭位置和打开位置，其由打开位置复位至封闭位置的复位力由复位件5提供，该复位件5如压簧。该复位件5可以连接氧电池座2和控制阀3，并被紧压在氧电池座2和控制阀3之间。当氧电池单元4插入时，其前端的导流体33顶开控制阀3，气流即可进入氧电池单元4；当氧电池单元4取出时，在压簧的弹性力作用下，控制阀3复位至封闭位置而封闭阀口22。
本发明氧电池座组件可以具有氧电池座和控制阀。氧电池座用于提供该组件的其他元件的支撑或安装位置，该氧电池座可以是一个独立的元件，也可以直接加工在麻醉机的呼吸系统气路上。氧电池座可以具有贯穿的气流通道。控制阀可以包括固定连接的阀体和密封部，该阀体用于接收氧电池单元的推动力，密封部用于打开或密封气流通道的阀口。密封部可以是具有弹性的密封圈，如具有良好密封性及互换性的标准密封圈，也可以是密封垫，当然，该密封部也可以是其自身的表面。
气流通道可以包括一个或多个用于引导气体流动的导流通道，导流通道由导流体形成，使控制阀处于打开位置时，呼吸系统气路的气体能够通过导流通道流入氧电池单元。该导流体可以设于控制阀，该导流体可以位于气流通道的内部；该导流体也可以设于氧电池座。导流体也可以设于氧电池单元，在氧电池单元装入气流通道时，该导流体伸入气流通道并推动控制阀。导流体的结构形式可以是前述的辐射状分布的导流板，也可以是导流管，或者是其它能够起到导流作用的结构体。
氧电池座组件可以包括用于复位控制阀的复位件。复位件可以位于气流通道的内部，也可以位于气流通道的外部。
一种氧电池组件，其包括氧电池单元及前述的氧电池座组件，氧电池单元可拆卸安装在氧电池座组件的气流通道内。该可拆卸方式如插拔配合，卡扣配合、螺纹配合等。
一种麻醉机，包括呼吸系统气路及前述的氧电池座组件。
以上内容是结合具体的实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明的保护范围。

Claims (11)

  1. 一种氧电池座组件， 用于连接麻醉机呼吸系统气路及氧电池单元，其特征在于：包括氧电池座及控制阀，所述氧电池座具有贯穿的气流通道，所述气流通道具有供所述呼吸系统气路的气体流入所述气流通道的阀口，所述控制阀具有相对所述氧电池座直线运动的自由度， 所述控制阀在其运动轨迹上具有封闭位置和打开位置，所述氧电池单元装入所述气流通道时，所述氧电池单元通过所述阀体推动所述控制阀由封闭位置运动至打开位置，使所述呼吸系统气路、气流通道及氧电池单元连通；所述氧电池单元离开所述气流通道时，所述控制阀自动复位至所述封闭位置并封闭所述阀口。
  2. 如权利要求 1 所述的氧电池座组件，其特征在于：还包括用于使所述阀芯由打开位置自动复位至封闭位置的弹性复位件，所述复位件设于所述氧电池座和控制阀之间。
  3. 如权利要求 2 所述的氧电池座组件，其特征在于： 所述控制阀包括固定连接的阀体和密封部，所述阀体用于接收所述氧电池单元的推动力， 所述控制阀自动复位至所述封闭位置时，所述密封部封闭所述阀口。
  4. 如权利要求 3 所述的氧电池座组件，其特征在于：所述密封部包括弹性密封圈，所述控制阀在封闭位置时，所述密封部通过所述密封圈密封并堵住所述阀口。
  5. 如权利要求 4 所述的氧电池座组件，其特征在于：所述阀体向内伸入所述气流通道，所述密封部向外伸出所述气流通道，所述复位件为弹簧，所述弹簧位于所述气流通道的内部并套在所述阀体上，所述气流通道内设有第一止挡台阶，所述阀体对应设有第二止挡台阶，所述弹簧的两端分别抵住所述第一止挡台阶和第二止挡台阶。
  6. 如权利要求 3 所述的氧电池座组件，其特征在于：所述气流通道包括至少一个用于引导气流的导流通道，所述导流通道由导流体形成，所述控制阀位于打开位置时，所述导流通道连通所述呼吸系统气路和氧电池单元。
  7. 如权利要求 6 所述的氧电池座组件，其特征在于：所述导流体为导流板，所述导流板有至少两个，所述阀体包括中心轴，各导流板围绕所述中心轴并辐射状分布在所述中心轴上，相邻的两个导流板之间形成所述导流通道。
  8. 如权利要求 3 所述的氧电池座组件，其特征在于：所述阀体与所述气流通道的通道壁构成滑动副。
  9. 一种氧电池组件，包括氧电池单元，其特征在于：还包括权利要求 1-8 中任意一项所述的氧电池座组件，所述氧电池单元与所述氧电池座组件的气流通道可拆卸连接。
  10. 如权利要求 9 所述的氧电池组件，其特征在于：所述氧电池单元与所述气流通道插拔配合或螺纹配合。
  11. 一种麻醉机，包括呼吸系统气路，其特征在于：还包括权利要求 1-8 中任意一项所述的氧电池座组件。
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