Apparatus comprising a housing having an aperture configured to receive a body part of a user, a capacitive sensor supported on the housing and a controller configured to use the capacitive sensor to determine whether a body part of a user is present within the aperture and to permit lancing of the body part only when it is determined that the body part of the user is present in the aperture.裝置包含一殼體,其具有一開孔,該開孔係組構以接收一使用者的一身體部份,一電容感應器,其被支撐於殼體上,及一控制器,其係組構以使用電容感應器來測定一使用者的一身體部份是否出現於開孔內並唯有當測定使用者的身體部份出現於開孔中時方准許身體部份之穿刺。100‧‧‧血糖計(BGM)101‧‧‧第一輸入102‧‧‧第二輸入103‧‧‧第三輸入104‧‧‧顯示器105,105a‧‧‧開孔107‧‧‧第一殼體部件/殼體109‧‧‧可移除式蓋部件/蓋109a‧‧‧夾件199‧‧‧電源鈕
