Objective:As intralesional injection of keloid was difficult to operate a high -pre ssure injection promoter was develo ped to raise curative efficacy.

• 目的:结合瘢痕内注射治疗瘢痕疙瘩难以完成的临床情况,开发研制出有利于药物完全、均匀注入瘢痕内确保疗效的高压注射助推器。