STERILE LIQUID DELIVERY SYSTEM AND METHOD

摘要

A medical device and method for providing liquid injectable into a patient from a first liquid container via and a needle is disclosed. One and two syringe devices are disclosed. Valving between the first syringe and the first liquid container allows liquid to be drawn from the first liquid container into the first syringe and to prevent liquid flow back toward the first liquid container. Methods of injecting sterile liquids and/or visualizing them are provided.

主权项

1. A medical device for providing liquid injectable into a patient from a first liquid container, comprising:
flexible sterile tubing connectable at a proximal end to the first liquid container; an anesthesia needle having a cannula at a distal end of said tubing; a first syringe having a first plunger, said first syringe connected to said tubing between said needle and the first liquid container; first valving between said first syringe and the first liquid container to allow liquid to be drawn from the first liquid container into said first syringe upon retraction of said first plunger, and to prevent liquid flow back toward the first liquid container; and, wherein liquid can be drawn from the first liquid container into said first syringe and then injected from said first syringe into the patient via said needle cannula.