| 摘要 |
This invention introduces a new unit for suctioning, injection and disposing of different fluids into and from the body of a human being by a special syringe which has a system that allows a fewer buttons or three way stop cocks to be used. This unit will be smaller than similar units and easier to be handled, and will allow a better observation of the intra-cardiac pressure of the patient to be done as well. Also this unit allows a push buttons to be used instead of use of three-way stop cock to avoid rotational motion of hands which some people do not like it.
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