Providing positive displacement upon disconnection using a connector with a dual diaphragm valve

摘要

Positive displacement using a connector with dual diaphragms is provided. For example, the connector includes a single fluid flow path, an air chamber and a valve. The single fluid flow path is configured for delivering fluid to a person and configured for receiving fluid from a person. The air chamber configured for expelling air from the air chamber when an actuator is inserted into the connector and for receiving air into the chamber when the actuator is removed from the connector. The valve plug comprises two diaphragms that separate the air chamber from the single fluid flow path. The valve plug is configured for creating positive displacement by returning the valve plug to its uncompressed state when the actuator is removed from the connector.

主权项

1. A connector comprising:
a single fluid flow path formed, at least in part, between an inner surface of a housing and an outer surface of an insert, the fluid flow path configured for delivering fluid to a person and configured for receiving fluid from a person; and a valve plug comprising a top diaphragm and a bottom diaphragm, wherein the top and bottom diaphragms and an inner surface of the insert separate an air chamber from the fluid flow path, such that the valve plug is configured for expelling air from the air chamber when an actuator is inserted into the connector and for receiving air into the chamber when the actuator is removed from the connector; wherein upon actuation of the connector, the top and bottom diaphragms shift to minimize a net volume change in the flow path.