| 摘要 |
PCT No. PCT/EP96/05855 Sec. 371 Date Jun. 19, 1998 Sec. 102(e) Date Jun. 19, 1998 PCT Filed Dec. 19, 1996 PCT Pub. No. WO97/23855 PCT Pub. Date Jul. 3, 1997A portable flow model for simulating ultrasound studies contains an injection point, a pump, a choke, a valve, a study chamber equipped with a study window and another choke that is used as resistance. These individual components are connected to one another in a closed circuit by a tube system.
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