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一、用途是一种简易的通气功能的测验。可作为慢性支气管炎及肺气肿通气功能检查的一种方法,以配合诊断及考核疗效。适用于农村、山区及边远地区无肺量计及发电设备的地方。二、结构特点由灯架和灯座二部分组成(见图)。灯架为狭长木槽,长50厘米,宽8厘米。木槽前端有一垂直板,正中央有6厘米直径圆孔。圆心正对火焰中心部分。灯座是金属长方匣,放于木槽内,可前后移动。灯座上有灯头4～5个,彼此相隔2厘米,灯座放于木槽以后,
First, the use is a simple test of ventilation function. As a chronic bronchitis and emphysema ventilation function examination of a method to match the diagnosis and assessment of curative effect. Applicable to rural areas, mountainous areas and remote areas without spills and power generation equipment. Second, the structural characteristics of the lamp holder and lamp holder composed of two parts (see photo). The light stand is a long, narrow wood groove 50 cm long and 8 cm wide. There is a vertical plate at the front of the wooden trough with a 6 cm diameter circular hole in the center. Center of the circle is the center of the flame. Lamp holder is a rectangular rectangular box, placed in wooden trough, can move back and forth. Lamp holder on the lamp 4 to 5, separated by 2 cm, lamp holder placed in the wood slot,