Therapeutic device (104) is described tissue for fluid instillation. The therapeutic equipment includes being connected to pedestal with cartridge receptacle (122) and support (120), and pedestal is fixed on bar. The therapeutic equipment includes that cylinder (112) is configured to be located in cartridge receptacle when engaged with base. The therapeutic equipment includes that pump head (128) is arranged in cassette holder and is configured with to engage the moving fluid of box. The box forms at least part fluid reservoir including an ontology and tube portion is connected to main body, and and fluid reservoir. The tube portion is configured to engagement pump head.