这种脚踏吸引器的制造和用法都非常简便。制造中所需的材料可以利用各种废品,全部经费约为人民币3—4元。使用时只术者一人,不需要助手。在数分钟内能吸出腹腔液2,000毫升左右。此吸引器可用于一般的腹腔外科手术;尤其在小城市或农村等无此项设备的医院,都可自己制造。现将其制法和用法简单介绍如下(附图样)。 The manufacture and use of this type of suction device is very simple. The materials needed for the manufacture can utilize all kinds of wastes and the total funding is about RMB 3-4. Only use one surgeon, do not need an assistant. Absorb peritoneal fluid in about 2,000 ml in minutes. This suction device can be used for general abdominal surgery, especially in hospitals without such equipment in small cities or rural areas. Now its system of law and usage is as follows (with drawings).