A solenoid device including a plunger, a solenoid configured to cause a displacement of the plunger, and a driving control unit configured to control driving of the solenoid. The bearing comprises a bearing arm which is connected to a fixed bearing block in an articulated manner. The powder container has an opening, through which the powder is supplied to the apparatus, formed in a lower position of the body in a posture where the powder container is mounted to the apparatus. A conformable frame may be composed of one or more layers of any suitable material and may include adhesive on one or more surfaces to secure the frame to the wound site and or to secure the dressing to the conformable frame.