Stopcock

摘要

According to a preferred embodiment of the present invention there is provided a stopcock including a housing element defining at least first, second and third ports, a handle element which is selectably positionable relative to the housing element, at least one fluid passageway communicating between at least two of the at least first, second and third ports, the at least one fluid passageway being selectably defined by at least one of the housing element and the handle element, the at least one fluid passageway being configured for enabling flushing an internal volume of at least one of the first, second and third ports by a fluid flow which does not flow entirely through the port whose internal volume is being flushed.

主权项

1. A stopcock comprising:
a housing element defining a central bore and at least first, second and third ports; a handle element which is selectably positionable relative to said housing element; at least one fluid passageway communicating between at least two of said at least first, second and third ports, said at least one fluid passageway being selectably defined by rotational positioning of said handle element relative to said housing element; a first fluid flow guide associated with said at least one fluid flow passageway, said first fluid flow guide extending radially and sealingly engaging an inner facing wall of said central bore when said first fluid flow guide is not located opposite at least one of said first, second and third ports; and a second fluid flow guide bifurcating said at least one fluid passageway, said first flow guide and said second fluid flow guide being configured for enabling flushing an internal volume of at least one of said first, second and third ports by a fluid flow which does not flow entirely through said port whose internal volume is being flushed.