| 摘要 |
PROBLEM TO BE SOLVED: To provide a chemical injector designed to facilitate the work of replacing a chemical bag, etc., allow the use of chemical bags on the market, and allow the start of administration of a chemical at the desired time convenient for a patient, nurse, etc. SOLUTION: A chemical injector is provided with a storage container main body 300; a lid 400; a pressure plate 100 placed inside the storage container main body 300; a pressing means for pressing a chemical bag 10 via the pressure plate 100; a pressure plate lock means by which the pressure plat 100 is openably locked at a depressed position; and a lid position control means by which the lid 400 is controlled to a position where it is deeply put over the storage container main body 300 and to a position where it is shallowly put thereover. A switch 500 for controlling the pressure plate lock means and the lid position control means is provided, and a waiting position for administration, at which the lid 400 is deeply put over the storage container main body 300 with the pressure plate 100 depressed and locked, an administration starting position where the lid 400 is deeply put over the storage container main body 300 with the pressure plate 100 opened, and a chemical bag replacement position where the lid 400 is shallowly put over the storage container main body 300 with the pressure plate 100 opened are provided. |
