Non-invasive respiratory tract drug delivery device for rats

The utility model relates to a non-invasive respiratory tract drug delivery device for rats. The non-invasive respiratory tract drug delivery device comprises a positioning mechanism convenient to insert into an oral cavity and a drug delivery mechanism matched with the positioning mechanism for drug delivery, by adopting the dosing device, liquid medicine can be conveyed into airway tissues of arat through the oral cavity along the trachea without cutting off the trachea of the rat; not only are damage to rats and the death rate of the rats reduced, but also operation is convenient, whetherinsertion succeeds or not can be conveniently observed, and liquid medicine injection is also convenient. 本实用新型涉及一种大鼠无创呼吸道给药装置，包括便于插入口腔的定位机构和与定位机构配合进行给药的给药机构；采用本实用新型的给药装置，不需要切开大鼠的气管能通过口腔将药水沿着气管输送到大鼠的气道组织内；不仅减轻对大鼠的伤害及较少大鼠死亡率，而且操作方便，能方便地观察到插入是否成功，注射药液也方便。