A therapy device (104) for instillation of fluid to a tissue site is described. The therapy device includes a base having a cartridge receptacle (122) and a support (120) coupled to the base to secure the base to a pole. The therapy device also includes a cartridge (112) configured to engage the base when positioned in the cartridge receptacle. The therapy device also includes a pump head (128) disposed within the cartridge receptacle and configured to engage the cartridge for movement of fluid. The cartridge includes a body forming at least a portion of a fluid reservoir and a tube segment coupled to the body and in fluid communication with the fluid reservoir. The tube segment is configured to engage the pump head.