This apparatus has been designed with a view to providing a safe, easy method for the intravenous, intramuscular, intraperitoneal and subcutaneous administration of fluids—saline, glucose and sodium bicarbonate solutions. It is simple and at the same time surpasses in asepsis, convenience and adaptability any apparatus at present in common use.
The instrument consists of a flask (A) of any desired capacity, though I have found that one of 500 c.c. is the most suitable for general use, with the highest graduation at the top, provided with a rubber stopper with a single hole (B) through which passes a glass tube (C) so constructed that it at the same time empties the flask and admits the air necessary to empty the flask. Attached to the rubber stopper is a framework (D) of German silver, on which the rubber tubing (E), of sufficient length to allow a good head of pressure, is