A container (200) for containing a coupling medium for transdermal delivery of a medicament and a transducer unit (100) for use with the container (200) are disclosed. The transducer unit (100) has a transducer (108) with an output face (110), and the container comprises a chamber (214) for receiving the coupling medium and a contact surface (212) for contacting the output face (110) of the transducer (108). The container (200) is attachable to the transducer unit (100) and is arranged such that, upon attachment of the container (200) to the transducer unit (100), an acoustic coupling for ultrasound transmission is formed between the output face (110) of the transducer (108) and the contact surface (212).本發明揭露一種用於含有用於藥物之透皮遞送之耦合介質之容器(200)及用於與該容器(200)一起使用之轉換器單元(100)。該轉換器單元(100)具有帶有輸出面(110)之轉換器(108),並且該容器包括用於接收該耦合介質之腔體(214)及用於接觸該轉換器(108)之該輸出面(110)之接觸面(212)。該腔體(200)是可連結至該轉換器單元(100)及經由配置使得,當該容器(200)連結至該轉換器單元(100)時,用於超音波傳輸之聲波耦合是形成在該轉換器(108)之該輸出面(110)及該接觸表面(212)之間。100‧‧‧轉換器單元102‧‧‧殼體104‧‧‧釋放按鈕106‧‧‧轉換器模組108‧‧‧超音波轉換元件110‧‧‧輸出面112‧‧‧殼體114‧‧‧台階117‧‧‧環狀凹部118‧‧‧閂鎖構件124‧‧‧頭部部分125‧‧‧傾斜的接近面126‧‧‧夾扣形式128‧‧‧管狀裙部130‧‧‧傾斜的遠側132‧‧‧近側134‧‧‧基座136‧‧‧開孔138‧‧‧環狀凹部140‧‧‧導引區域200‧‧‧容器202‧‧‧殼體204‧‧‧襯墊210‧‧‧橋接部分212‧‧‧接觸薄膜214‧‧‧腔體216‧‧‧軸環222‧‧‧環狀通道224‧‧‧裙部部分226‧‧‧環狀足部228‧‧‧密封薄膜
