This invention pertains to a hose system for an injector for injecting contrast agents and saline solution into the human body. The hose system comprises a contrast agent conduit (106, 126 206, 226 306, 326 401, 402, 403, 404, 405, 421, 422, 423, 424, 425 501, 502, 503, 504, 521, 522, 523, 524), a saline solution conduit (116, 216, 316, 411, 412, 413, 414, 415 511, 512, 513, 515) a pump hose (132 232 332 432 532) and a frame (135 235 335 435, 436 535, 536, 537). The contrast agent and saline solution conduits are mechanically fixed at a least one position to the frame. The pump hose is fixed to said frame at at least two positions. The invention further pertains to a squeeze valve and a pressure measuring interface.
