Waterproof wearable defibrillator and accessory kit of wearable medical device

The invention provides a waterproof wearable defibrillator and an accessory kit of a wearable medical device. The wearable medical device comprises a waterproof kit which is worn by a patient; a plurality of ECG sensing electrodes which are configured on the kit and are configured for sensing ECG of the patient; a plurality of treatment electrodes which are configured on the kit and are configuredfor supplying at least one defibrillation shock on the body of the patient; and a control unit which is electrically coupled with the plurality of ECG sensing electrodes and the plurality of treatment electrodes and are configured for monitoring the sensed ECG of the patient and supplying at least one defibrillation energy pulse to at least one treatment electrode in the plurality of treatment electrodes in response to detection of arhythmia of the patient. The control unit is stored in a waterproof case which is made from a waterproof material. The waterproof case is sealed for preventing water entering in operation