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1. 发明授权

US07997271B2 Apparatus and method for mask free delivery of an inspired gas mixture and gas sampling 有权
标题翻译：用于无气体输送吸气混合气体和气体取样的装置和方法
公开(公告)号：US07997271B2
公开(公告)日：2011-08-16
申请号：US11640930
申请日：2006-12-19
申请人： Randall S Hickle , Samsun Lampotang
发明人： Randall S Hickle , Samsun Lampotang
IPC分类号： A61M16/00 , A61M15/08 , A62B18/08 , A62B18/02 , A62B7/00
CPC分类号： A61B5/0836 , A61B5/097 , A61B5/6819 , A61M16/024 , A61M16/0666 , A61M16/0677 , A61M16/0683 , A61M16/0808 , A61M16/085 , A61M16/0858 , A61M2205/0216 , A61M2205/3375 , A61M2210/0618 , A61M2210/0625 , A61M2230/432 , A61M2230/437
摘要： This disclosure is of a mask-free device for supplying sufficient gas to a medical patient and for more accurately sampling the exhalation gas of the patient. The device includes a flexible body having lumens adapted to extend into the nares of a patient and adjacent the patient's mouth for collecting and transmitting a sampling of the patient's end tidal exhalation to a gas analyzer to analyze one or more component gases in that exhalation. The disclosure also discloses the transmittal of pressure from the nares of the patient to a pressure transducer for determining the respiratory phase of the patient and for controlling the volume of oxygen delivered to the patient. The body of the mask-free unit further includes conduits for delivering oxygen through diffuser orifices to positions adjacent the patient's nares and mouth. Finally, a controller is interconnected between the pressure transducer and the gas supply for increasing the delivery of gas during the inhalation phase of the patient's respiration and for decreasing said delivery upon the exhalation phase for the purpose of avoiding dilution of the exhalation sample.
摘要翻译：本公开是用于向医疗患者提供足够的气体并且更准确地对患者的呼出气体取样的无掩模装置。该装置包括柔性体，其具有适于延伸到患者的鼻孔并且邻近患者嘴部的腔，用于收集和传送患者的末端潮气呼气的采样并将其发送到气体分析器以分析呼气中的一种或多种组分气体。本公开还公开了从患者的鼻孔传递压力到压力换能器，用于确定患者的呼吸相位并控制输送给患者的氧气体积。无面罩单元的主体还包括用于通过扩散器孔将氧输送到邻近患者的鼻孔和嘴部的位置的导管。最后，控制器在压力传感器和气体供应之间相互连接，用于增加在患者呼吸的吸入阶段期间气体的输送，并且为了避免呼气样本的稀释，在呼气阶段减少所述输送。

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