title: [A multi-functional drug-smearing and drug-injection instrument].
abstract: This paper instroduces the components and operating priciples of a multi-functional drug smearing and drug injection instrument. The instrument has many advantages such as simple structure, convenient operation, no bacteria, drug-saving, little pain and etc. All these advantages make it fit for medical applications.
authors.affiliation: Langzou General Hospital, Langzou Military Region.
authors.forename: Li-hua
authors.initials: LH
authors.lastname: Liu
authors.forename: Huan-fa
authors.initials: HF
authors.lastname: Zhou
authors.forename: Zhong-tang
authors.initials: ZT
authors.lastname: Zheng
mesh_terms: D000279:Administration, Cutaneous; D004867:Equipment Design; D004864:Equipment and Supplies; D006801:Humans