英国Evans制药公司向市场推出一种声响式气雾剂。这种名为Asmasal Clickhaler的装置是一种新型吸入启动式舒喘宁干粉气雾剂。在这种带声响的气雾装置内,储有可供使用200次的药物剂量,每使用一次可释出95μg的药物。儿童及成人每次可吸1至2口,每日可使用4次。 该产品设计公司(ML Laboratories)的比林斯先生介绍说,声响式干粉气雾剂的用药剂量与常用的计量式气雾剂的剂量一致,但其疗效不受患者呼吸气流速率的影响(呼吸 Evans Pharmaceuticals, UK, Introduces Acoustic Aerosol to the Market. The device, called Asmasal Clickhaler, is a new inhalation-activated salbutamol dry powder aerosol. In this audible aerosol device, a dose of 200 doses is available for storage, and 95 μg of drug is released for each use. Children and adults can inhale 1 to 2 at a time, 4 times a day. Billings, of ML Laboratories, explained that the dosage of acoustic dry powder aerosols corresponds to that of conventional metered aerosols, but its efficacy is not affected by the patient’s breathing rate (breathing