Patent ID: 8025658

Claim:
A medical device system comprising: a first device housing comprising: a medical monitoring or treatment device configured to provide a monitoring or treatment operation on a user; a base adapted to be secured to the user during operation of the medical monitoring or treatment device, the base having an area that contacts the user upon the base being secured to the user; and an adhesive material provided on the area of the base for securing the base to the user, the adhesive material configured to react with a catalyst for activating the adhesive material, the adhesive material having a different adhesion strength upon activation of the adhesive material than before activation of the adhesive material; and a second device housing configured to be connectable to and disconnectable from the first device housing when the base is secured to the user, the second device housing configured to be spaced apart from the first device housing when disconnected from the first device housing when the base is secured to the user during operation of the medical monitoring or treatment device, the second device housing comprising a delivery device for applying the catalyst to the adhesive material; wherein, when the second device housing is connected to the first device housing, the delivery device is moveable between a first position separate from the adhesive and a second position at which the catalyst is positioned to activate the adhesive.