NEEDLE SYSTEM FOR MEDICAL USE

摘要

A needle system and methods for using the needle system are described. The needle system is generally intended for medical use and can be used when performing a dialysis on a patient, for example, hemodialysis. In general, the needle system can address problems that commonly arise when using conventional single or double needle systems during hemodialysis.

主权项

1. A needle system attached to an external circuit having a receiving line and a delivering line, comprising:
a needle and a hub connected to one another and configured to form a receiving passageway and a delivering passageway in fluid communication with the receiving line and the delivering line of the external circuit, respectively; and a tube and a sliding member fixedly attached to one another and movable between a first configuration wherein said tube is fully within said needle and said hub, and a second configuration wherein said tube extends outward from said needle, said sliding member being movably attached to said hub, wherein said needle system in said first configuration may be installed in a patient and is operable relative to said patient in said second configuration.