Stopcock

• US 7,984,730 B2
• Filed: 08/29/2005
• Issued: 07/26/2011
• Est. Priority Date: 09/03/2004
• Status: Active Grant

• Current Assignee: Elcam Medical Agricultural Cooperative Association Ltd
• Original Assignee: Elcam Medical Agricultural Cooperative Association Ltd
• Inventors: Gil, Tomer, Ziv, David
• Primary Examiner(s): FOX, JOHN C
• Application Number:
  US11/574,618
• Publication Number:
  US 20070287953A1
• Time in Patent Office: 2,157 Days
• Field of Search: 137/239, 137/269, 137/561.A, 137/625.46, 137/625.47, 251/118, 604/32, 604/248
• US Class Current: 137/625.46
• CPC Class Codes: A61M 2039/229 Stopcocks
• CPC Class Codes: A61M 39/045 pre-slit to be pierced by blunt instrument
• CPC Class Codes: A61M 39/223 Multiway valves
• CPC Class Codes: F16K 11/0833 having all the connecting conduits situated in a single plane perpendicular to the axis of the plug
• CPC Class Codes: F16K 11/0853 having all the connecting conduits situated in a single plane perpendicular to the axis of the plug
• CPC Class Codes: F16K 27/062 with conical plugs
• CPC Class Codes: F16K 27/065 with cylindrical plugs
• CPC Class Codes: F16K 31/602 Pivoting levers, e.g. single-sided F16K31/605 takes precedence
• CPC Class Codes: F16K 5/0407 with particular plug arrangements, e.g. particular shape or built-in means
• CPC Class Codes: Y10T 137/4252 Reverse fluid flow
• CPC Class Codes: Y10T 137/86863 Rotary valve unit
• CPC Class Codes: Y10T 137/86871 Plug
• CPC Class Codes: Y10T 137/87676 With flow control

Abstract

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.

Claims

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 at least one of said housing element and said handle element; and

a fluid flow guide associated with said at least one fluid flow passageway, said fluid flow guide extending radially and partially bifurcating said at least one fluid flow passageway, said fluid flow guide extending radially to an inner facing wall of said central bore,

said at least one fluid passageway 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,

said at least one fluid passageway being defined by at least one recess formed on a peripheral surface of said handle element.

2. A stopcock comprising:

a housing element defining 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 at least one of said housing element and said handle element; and

a fluid flow guide associated with said at least one fluid flow passageway,

said fluid flow guide extending radially and partially bifurcating said at least one fluid flow passageway,

said fluid flow guide comprising an outward facing edge adapted to prevent flow of liquid when said fluid flow guide is not located opposite said at least one of said ports,

said handle element and said housing element being arrangeable in multiple mutual positions, and

said fluid flow guide and said at least one fluid passageway 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 when said housing element and said handle element are in at least one of said multiple mutual positions.