WO2011127660A1 - 內窥镜面罩 - Google Patents

內窥镜面罩 Download PDF

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Publication number
WO2011127660A1
WO2011127660A1 PCT/CN2010/071795 CN2010071795W WO2011127660A1 WO 2011127660 A1 WO2011127660 A1 WO 2011127660A1 CN 2010071795 W CN2010071795 W CN 2010071795W WO 2011127660 A1 WO2011127660 A1 WO 2011127660A1
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WO
WIPO (PCT)
Prior art keywords
mask
plug
patient
sealing plug
shell
Prior art date
Application number
PCT/CN2010/071795
Other languages
English (en)
French (fr)
Inventor
王双卫
傅晔
张瑜
Original Assignee
深圳市安保科技有限公司
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 深圳市安保科技有限公司 filed Critical 深圳市安保科技有限公司
Priority to JP2013504092A priority Critical patent/JP2013523355A/ja
Priority to PCT/CN2010/071795 priority patent/WO2011127660A1/zh
Publication of WO2011127660A1 publication Critical patent/WO2011127660A1/zh

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Classifications

    • 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
    • A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0816—Joints or connectors
    • 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
    • A61M16/04—Tracheal tubes
    • A61M16/0488—Mouthpieces; Means for guiding, securing or introducing the 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
    • A61M16/06—Respiratory or anaesthetic masks
    • 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
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0605—Means for improving the adaptation of the mask to the patient
    • A61M16/0616—Means for improving the adaptation of the mask to the patient with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure
    • A61M16/0622—Means for improving the adaptation of the mask to the patient with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure having an underlying cushion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/267—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the respiratory tract, e.g. laryngoscopes, bronchoscopes

Definitions

  • the present invention relates to a novel endoscopic mask for surgery, medical examination or hysteroscopy for a patient, and more particularly to a novel endoscope mask that can be used in conjunction with a ventilator, an anesthesia machine or a respiratory analgesia device.
  • Patent No. 200820062284.7 discloses a mask for painless gastroscope, including a mask body, a mask fixing structure, a Y-shaped tube interface, a suction hole and a gastroscope insertion. hole. This mask enables a gastroscopy while performing manual or assisted breathing.
  • the object of the present invention is to solve the problem that the endoscope mask and the breathing function cannot cooperate with each other in the prior art, and a novel endoscope mask is proposed.
  • the novel endoscopic mask of the present invention includes a novel endoscopic mask, including a mask
  • the shell has a veneer under the mask shell, and the gas mask inlet, the inlet port and the drainage port are arranged on the mask shell, wherein: the mask shell is further provided with a patient exhalation outlet and a movable sealing plug.
  • the sealing plug includes a sealing plug main seat, a cannula plug, a drainage plug, and a sheet-shaped one-way flap in the gas inlet and the patient exhalation outlet, respectively.
  • the present invention may further include the following technical features:
  • the total length of the mask is not less than 150mm.
  • the gas inlet is located at a leftward position on the upper portion of the mask; the patient's expiratory outlet is designed on the lower left side of the mask.
  • the veneer pad is detachably mounted on the mask case by a detachable snap-in groove design through a snap-in groove provided on the veneer pad.
  • the sealing plug further includes a rib that couples the main seat to the cannula plug and the drain plug, respectively, and the main seat is designed with a card slot and is clamped to the mask shell by its own elastic deformation.
  • the invention has the beneficial effects that: by providing a patient exhalation outlet and a movable sealing plug on the mask shell, the mask can be used as an endoscope mask or as a common mask when the intubation operation is not performed. It is especially suitable for situations where anesthesia, oxygen, or ventilator use is required before and after intubation surgery. Moreover, a sheet-shaped one-way valve flap is respectively arranged in the gas inlet and the patient's exhalation outlet, which can prevent the exhaust gas from being retained or retained, thereby improving the ventilation efficiency.
  • FIG. 1 is a perspective view showing the appearance of an endoscope mask according to an embodiment of the present invention
  • FIG. 2 is a perspective view showing the endoscope mask of the embodiment of the present invention partially broken away;
  • FIG. 3 is a second perspective view of the endoscope mask of the embodiment of the present invention
  • FIG. 4a, 4b are schematic views of the one-way flap of the embodiment of the present invention in an inhaled state and an exhaled state;
  • FIG. 5 is a perspective view showing a third embodiment of the endoscope mask of the embodiment of the present invention.
  • FIG. 6 is a perspective view of a veneer pad according to an embodiment of the present invention.
  • Figure 7 is a perspective view showing a portion of the veneer cushion in accordance with an embodiment of the present invention.
  • Figure 8 is a perspective view of a sealing plug in accordance with an embodiment of the present invention.
  • the present embodiment is mainly composed of the following components: a mask case 1, a sealing plug 2, a veneer pad 3, a fresh gas inlet 13, a patient exhalation outlet 14, a drainage port 11, and a cannula port 12
  • the sealing plug main seat 21, the cannula plug 22, and the drainage port plug 23 respectively have a sheet-shaped one-way flap 4 in the fresh gas inlet 13 and the patient exhalation outlet 14.
  • a total of four orifices are designed on the mask shell 1 of the endoscope mask, respectively: 1 drainage port 11, For the aspiration of the patient's vomit to keep the mask clean; 2 the insertion port 12 for the insertion of the medical cannula; 3 the gas inlet 13, for the input of anesthetic gas or fresh air or oxygen, 4 the patient's exhalation outlet 14 For discharge of exhaled gas from the patient, and a sheet-like one-way flap 4 is provided in the fresh gas inlet 13 and the patient exhalation outlet 14 to prevent the outflow of anesthetic gas (or fresh air or oxygen).
  • the lower part of the mask shell 1 is provided with a veneer cushion 2, and the veneer cushion is designed according to the contour of the human face.
  • the double-layer soft membrane structure is made of soft and highly elastic silicone, which can be close to the face and has high sealing performance. Convenient, comfortable, and detachable for high temperature cleaning and disinfection.
  • the mask is also designed with a sealing plug 2, which comprises three parts: 1 sealing plug main seat 21 for fitting with the mask shell 1 and designed with an opening for insertion of the medical cannula;
  • the cannula plug 22 is used for sealing the insertion port on the main seat of the sealing plug;
  • 3 the drainage plug 23 is used for sealing the drainage opening.
  • the insertion port and the drainage port plug can be used to seal the insertion port and the drainage port respectively, so that the general anesthesia mask or the ordinary breathing mask can be used.
  • the opening is inserted into the endoscopic tube to increase the length of the face.
  • the length of the existing mask is designed according to the length of the patient's closure, and the seal cannot be better.
  • the mask of the present embodiment has a total length of not less than 150 mm and is at least 20 mm longer than the existing mask, and can be better fitted to the face for sealing, and is not pressed by the mask even when the patient completely opens the mouth.
  • the endoscope can be simultaneously performed and Positive pressure ventilation, and discharge of the patient's exhaled gas and effluent that may be produced by endoscopic examination through the mouth.
  • the fresh gas inlet is designed to the left of the mask to facilitate the take-over, and the position is close to the patient's nose, through the external check valve. Introducing fresh gas into the mask makes it easy for the patient to inhale fresh gas, as shown in Figures 4a and 4b.
  • the patient's exhalation outlet is designed on the lower left side of the mask. This position is placed at the lower end of the patient's nose, so that the patient's exhaled breath is directly and easily discharged.
  • the mask body at the same time, the patient's exhalation outlet is not less than 50 mm from the fresh gas inlet, and is provided with a sheet-like one-way flap 4, as shown in Fig. 5, to prevent the patient's exhaled gas from flowing back into the mask and mixing with fresh gas.
  • the flow port can facilitate the liquid or solid-liquid mixed state drainage flow to the drainage port and draw out the inside of the mask.
  • the styling curve and double-layer soft membrane structure can be comfortably attached to the patient's face, and the sealing is good.
  • the detachable snap-in groove design makes it easy to use plastic from the elastic deformation of the cushion.
  • the cover of the material is jammed and disassembled.
  • the existing mask for the endoscopy such as the veneer is artificial. The mask must be replaced as a whole if it is damaged or if it is deformed for a long time and yellowed.
  • the sealing plug design of the embodiment uses a resilient silicone material, including a main body 21, a cannula plug 22, a drainage plug 23, and an elongated rib for coupling the main body and the two plugs.
  • Article 24 The main body 21 is designed with a card slot and is snapped onto the mask shell by its own elastic deformation, as shown in FIG.
  • sealing plug 22 and the drainage plug 23 which are respectively brought by the sealing plug can be inserted into the cannula hole and the drainage hole of the mask shell to form a seal by elastic deformation, as shown in FIG. 2, Positive pressure ventilation of the mask can be achieved without endoscopic examination without leaking gas.
  • the integrated design and the formation of an organic combination with the mask shell facilitate the doctor's operation and avoid the existing mask.
  • the design and installation of the intubation plug and the drainage plug are inconvenient and the parts are easily lost.
  • the material design of the mask wherein the mask shell uses a plastic material which can be sterilized by high temperature sterilization or epoxy, including PC, PSU or PPSU materials, and the sealing plug and the veneer can be sterilized by high temperature sterilization or epoxy sterilization.
  • the soft material consists of a silicone material that allows the mask to be re-used by high-temperature disinfection or epoxy-based disinfection, whereas conventional masks used for endoscopy are mostly disposable.

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  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Biomedical Technology (AREA)
  • Emergency Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (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)
  • Otolaryngology (AREA)
  • Endoscopes (AREA)

Description

內窥镜面罩
技术领域
本发明涉及一种为病人做手术、 医用检查或宫腔镜检查用的新型内窥 镜面罩， 具体涉及一种可与呼吸机、 麻醉机或呼吸镇痛装置相配套使用的 新型内镜面罩。
背景技术
目前医疗行业中， 在给病人做手术、 医用检查或宫腔镜检查时， 多使 用呼吸机、 麻醉机或呼吸镇痛装置来辅助治疗或检查。 在给病人输送氧气 或麻醉气体的过程中， 内镜面罩被广泛使用。 现市面上， 内镜面罩品种较 多， 但在结构上普遍都存在以下缺点：
只有新鲜气体入口而没有病人废气排出口， 不利于保持输入新鲜气体 的清洁度， 易引起呼吸道污染； 尺寸不合理， 较小， 在病人张嘴接受呼吸 插管或腔镜插管的情况下， 面部会受到面罩的压迫， 感到不适， 甚至会堵 塞呼吸道，危害病人的生命安全；没有专设的呼吸插管或腔镜插管插入口， 在使用插管时只能用鼻罩替代， 增加了检查或手术的风险， 也增加了资源 浪费； 没有设病人呕吐物排出口， 无法排出病人因插管引起的呕吐废物， 即增加了病人的风险也增加了医护人员接触医疗废物的风险。
专利号为 200820062284.7、 名称为 《无痛胃镜专用面罩》 的中国实用 新型专利中， 公开了一种无痛胃镜专用面罩， 包含面罩主体、 面罩固定结 构、 Y形管接口、 吸引孔和胃镜置入孔。 此面罩能够实现在实施人工控制 或辅助呼吸的同时,又能进行胃镜检查。
但是， 该专利中与呼吸功能有关的仍然只有一个 Y形管接口， 相当于 只有新鲜气体入口而没有病人废气排出口。 虽然 Y形管本身有空气出口， 但多增加的 Y形管会形成空气滞留， 造成呼吸时有效换气量降低。 而且， 该专利中的胃镜置入孔中如果没有胃镜置入的话， 就形成对大气的连通， 使得 Y形管或与其配套的呼吸机无法使用。
发明内容
本发明的目的就是为了解决现有技术中内窥镜面罩与呼吸功能不能相 互配合的问题， 提出一种新型内窥镜面罩。
为此， 本发明的新型内窥镜面罩包括一种新型内窥镜面罩， 包括面罩 壳， 在面罩壳下沿设有贴面软垫， 在面罩壳上设有气体入口、 插管口和引 流口， 其特征在于： 在面罩壳上还设置有病人呼气出口和活动密封塞， 所 述密封塞包括密封塞主座、 插管口塞、 引流口塞， 且在气体入口和病人呼 气出口中分别有片状单向阀瓣。
优选地， 本发明还可以包括如下技术特征：
面罩总长不小于 150mm。
所述气体入口位于面罩上部偏左位置； 所述病人呼气出口设计在面罩 的左下侧。
所述贴面软垫采用可拆卸的卡入槽设计， 通过设置在贴面软垫上的卡 入槽可拆卸地安装于面罩壳上。
所述密封塞还包括将主座分别与插管口塞、 引流口塞联接的筋条， 所 述主座设计有卡槽并通过自身的弹性变形卡在面罩壳上。
本发明的有益效果是： 通过在面罩壳上设置病人呼气出口和活动密封 塞， 从而使本面罩既可以做内窥镜面罩， 也可以在不做插管手术时兼做普 通面罩使用， 这尤其适用于在做插管手术前后需要麻醉、 给氧或使用呼吸 机抢救的情况。而且，在气体入口和病人呼气出口中分别有片状单向阀瓣， 可避免废气倒留或滞留， 提高换气效率。
附图说明
图 1是本发明实施例内窥镜面罩外形立体示意图；
图 2是本发明实施例内窥镜面罩局部剖开后的立体示意图；
图 3是本发明实施例内窥镜面罩局部剖开后的立体示意图之二； 图 4a、 4b分别是本发明实施例单向阀瓣在吸气状态和呼气状态的示 意图；
图 5是本发明实施例内窥镜面罩局部剖开后的立体示意图之三； 图 6是本发明实施例贴面软垫立体示意图；
图 7是本发明实施例贴面软垫局部剖开后的立体示意图；
图 8是本发明实施例密封塞立体示意图。
具体实施方式
如图 1〜3所示， 本实施例主要由以下部件组成： 面罩壳 1、 密封塞 2、 贴面软垫 3、 新鲜气体入口 13、 病人呼气出口 14、 引流口 11、 插管口 12、 密封塞主座 21、 插管口塞 22、 引流口塞 23， 在新鲜气体入口 13和病人呼 气出口 14中分别有片状单向阀瓣 4。
本内镜面罩的面罩壳 1上共设计有 4个孔口， 分别为： ①引流口 11， 用于病人呕吐物的吸出以保持面罩的清洁； ②插管口 12， 用于医用插管的 插入； ③气体入口 13， 用于麻醉气体或新鲜空气或氧气的输入， ④病人呼 气出口 14， 用于病人呼出气体的排出， 并且在新鲜气体入口 13和病人呼 气出口 14中装有片状单向阀瓣 4以防止麻醉气体（或新鲜空气或氧气）的 流出。面罩壳 1下部装有贴面软垫 2， 贴面软垫根据人面部轮廓进行设计， 采用双层软膜结构， 由柔软、 高弹性的硅胶制成， 能紧贴面部， 密封性高， 佩戴方便舒适， 且可拆卸， 进行高温清洗消毒。
另外， 如图 2， 本面罩还设计有密封塞 2， 其包括 3个部分： ① 密封 塞主座 21，用于配合面罩壳 1进行装配并设计有孔口用于医用插管的插入; ②插管口塞 22， 用于封堵密封塞主座上的插管口； ③引流口塞 23， 用于封 堵引流口。 在本面罩不用于医用检查时， 可用插管口塞及引流口塞分别将 插管口及引流口密封， 便可作普通麻醉面罩或普通呼吸面罩实用。
由于病人在做通过口部的内镜检查手术时， 需张开口部插入内镜检查 管， 增大了面部长度， 现有面罩长度依病人闭口时的长度所设计， 无法做 到更好的密封。本实施例的面罩总长不小于 150mm， 比现有面罩长至少长 20mm, 能更好的贴合面部进行密封， 即使病人完全把嘴张开时， 都不会 被面罩压迫到。
由于本实施例在面罩壳 1上直接设计有新鲜气体入口、 病人呼气出口 和引流口， 加上安装在面罩壳上密封塞上的插管孔， 可同时实现经口部的 内镜检查和正压通气， 并排出病人的呼出气体和经口部做内镜检查时可能 产生的排出物。
由于在做内镜检查时， 病人一般采用左侧位卧躺在手术床上， 故将新 鲜气体入口设计在面罩上部偏左位置以方便接管， 同时此位置靠近病人的 鼻子， 通过外接的单向阀使新鲜气体导入面罩， 使病人很容易吸入新鲜气 体， 如图 4a、 4b。
由于在做内镜检查时， 病人一般采用左侧位卧躺在手术床上， 将病人 呼气出口设计在面罩的左下侧， 该位置放在病人鼻子的下端， 使病人呼出 气很直接容易的排出面罩体， 同时病人呼气出口同新鲜气体入口距离不小 于 50mm， 并且装有片状单向阀瓣 4， 如图 5， 可防止病人呼出气倒流入面 罩同新鲜气体混合。
由于在做内镜检查时， 病人一般采用左侧位卧躺在手术床上， 且病人 多会产生经口部的液态或固液混合态排泻物， 故在面罩的右下侧设计有引 流口， 可方便液态或固液混合态排泻物流向引流口并抽引出面罩内部。 本实施例的贴面软垫设计， 如图 6、 7， 具体涉及：
采用人体工学设计， 其造型曲线和双层软膜结构可很舒适地贴合住病 人的面部， 并且密封性良好； 采用可拆卸的卡入槽设计， 利用软垫的弹性 变形可很方便从塑胶材料的面罩壳上卡装和拆卸， 当软垫发生人为损破或 使用时间长变形及发黄时只需将软垫更换， 而现有的内镜检查专用面罩如 贴面的软垫发生人为损破或使用时间长变形及发黄则必须将面罩整体更 换。
本实施例的密封塞设计， 如图 8， 该密封塞使用弹性好的硅胶材料， 包括主体 21、 插管口塞 22、 引流口塞 23和用于联接主体和 2个孔塞的细 长筋条 24。 主体 21设计有卡槽并通过自身的弹性变形卡在面罩壳上， 如 图 2; 该密封塞的另一特点在于在主体中间除了设有传统面罩所有的内镜 检查用的插管孔外， 在在不做内镜检查时可直接用密封塞所带的插管口塞 22和引流口塞 23通过弹性变形分别插在自身插管孔和面罩壳上引流孔形 成密封， 如图 2， 在不做内镜检查时也可实现面罩的正压通气而不会泄漏 气体， 其一体化设计以及和面罩壳装配后后形成一个有机的组合体方便了 医生的操作， 也避免了现有面罩单独设计和安装插管塞和引流管塞的操作 不便以及零件易丢失的缺点。
本面罩的材料设计， 其中面罩壳使用可以通过高温消毒或环氧已垸消 毒的塑胶材料包括 PC、 PSU或 PPSU材料，密封塞和贴面软垫使用可以通 过高温消毒或环氧已垸消毒的软胶材料包括硅胶材料， 使得本面罩可以通 过高温消毒或环氧已垸消毒来重复使用， 而传统的使用于内镜检查的面罩 多为一次性使用。
以上内容是结合具体的优选实施方式对本发明所作的进一歩详细说 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

WO 2011/127660 权 利 要 求 书 PCT/CN2010/071795
1、一种新型内窥镜面罩， 包括面罩壳 （1)， 在面罩壳下沿设有贴面软 垫 （3)， 在面罩壳上设有气体入口 （13)、 插管口 （12) 和引流口 （11)， 其特征在于： 在面罩壳上还设置有病人呼气出口 （14)和活动密封塞（2)， 所述密封塞（2)包括密封塞主座（21)、 插管口塞（22)、 引流口塞（23)， 且在气体入口 （13) 和病人呼气出口 （14) 中分别有片状单向阀瓣 （4)。
2、根据权利要求 1所述的新型内窥镜面罩， 其特征在于： 面罩总长不 小于 150mm。
3、根据权利要求 1或 2所述的新型内窥镜面罩， 其特征在于： 所述气 体入口 （13) 位于面罩上部偏左位置； 所述病人呼气出口设计在面罩的左
4、根据权利要求 1或 2所述的新型内窥镜面罩， 其特征在于： 所述贴 面软垫 （3) 采用可拆卸的卡入槽设计， 通过设置在贴面软垫 （3) 上的卡 入槽可拆卸地安装于面罩壳 （1) 上。
5、根据权利要求 1或 2所述的新型内窥镜面罩， 其特征在于： 所述密 封塞 （2) 还包括将主座 （21) 分别与插管口塞 （22)、 引流口塞 （23) 联 接的筋条（24)， 所述主座（21)设计有卡槽并通过自身的弹性变形卡在面 罩壳 （1) 上。
PCT/CN2010/071795 2010-04-15 2010-04-15 內窥镜面罩 WO2011127660A1 (zh)

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