Self sealing luer receiving stopcock

A luer receiving stopcock, for fluid connection between a catheter in communication with a patient's vasculature and at least one fluid system, the fluid system having a luer lock connector including a luer tip, the luer receiving stopcock comprising:

• a housing defining a central chamber and at least three integral ports in fluid communication with the central chamber, a first one of said ports being adapted for fluid connection to said catheter;
• a core mounted in sealed relation to said central chamber and rotatable therewithin, said core having a flow passage defined therethrough that extends between at least first and second orifices in a surface of said core for selectively communicating respective pairs of ports of said housing;
• an elastomeric septum mounted to said housing so as to be disposed at least partially within a second of said ports, said septum having an outer face and a sealed slit, said second port being sized to receive said luer tip of said fluid system luer lock connector, said second port defining a female luer sized to be received into and lockingly engaged with said luer lock connector of said fluid system when said luer tip is advanced against said septum;
• wherein said septum has a longitudinal axis, an upper portion with said outer face and an extension portion projecting downwardly from said upper position, said slit extending from adjacent said outer face through said upper portion and at least partially through said extension portion, a sealing force being applied by said housing to said septum adjacent said outer face thereby to seal said slit at said outer face, said extension portion having a width in a direction transverse to said slit that is less than a transverse width of said upper portion, said septum and said slit therein being sized and configured to receive at least a portion of said male luer end into said septum through said face and through at least a portion of said slit, at least a portion of said septum being displaced lateral to said longitudinal axis by said luer tip when said luer tip is advanced into said septum to define a displaced septum portion;
• and
• at least one cavity defined lateral to said septum for receiving said displaced septum portion when said luer tip is advanced into said septum;
• wherein said flow passage includes a first curved portion for selectively communicating said second port with said first port disposed at 90° thereto and a second curved portion for selectively communicating said second port with a third one of said ports.

A luer receiver for receiving a male luer tip, the receiver comprising:

• a housing defining a central chamber and at least three ports in fluid communication with the central chamber;
• a core mounted in sealed relation to said central chamber and rotatable therewithin, and having a flow passage defined therethrough that extends between at least first and second orifices in a surface of said core for selectively communicating respective pairs of ports of said housing;
• and
• a septum having a longitudinal axis and mounted to said housing so as to be disposed at least partially within one of said ports, said septum being formed at least in part from a first elastomeric material and having a proximal portion, an extension portion, and a central slit defined at least partially therethrough, said septum proximal portion including an upper portion having a width greater than a width of said extension portion,
• a proximal end of said one port of said housing comprising a substantially continuous ring structure defining a platform, said upper portion of said septum being seated on said platform,
• wherein upper surfaces of diametrically opposed first and second portions of said ring structure are inclined from a more distal radially inner edge to a more proximal radially outer edge.

A luer receiver for receiving a male luer tip, the receiver comprising:

• a housing defining a central chamber and at least three ports in fluid communication with the central chamber;
• a core mounted in sealed relation to said central chamber and rotatable therewithin, and having a flow passage defined therethrough that extends between at least first and second orifices in a surface of said core for selectively communicating respective pairs of ports of said housing;
• and
• a septum having a longitudinal axis and mounted to said housing so as to be disposed at least partially within one of said ports, said septum being formed at least in part from a first elastomeric material and having a proximal portion, an extension portion, and a central slit defined at least partially therethrough, said septum proximal portion including an upper portion having a width greater than a width of said extension portion;
• a proximal end of said one port of said housing comprising a substantially continuous ring structure defining a platform, said upper portion of said septum being seated on said platform,
• wherein said ring structure includes diametrically opposed radially inwardly extending projections.

A luer receiver for receiving a male luer tip, the receiver comprising:

• a housing defining a central chamber and at least three ports in fluid communication with the central chamber;
• a core mounted in sealed relation to said central chamber and rotatable therewithin, and having a flow passage defined therethrough that extends between at least first and second orifices in a surface of said core for selectively communicating respective pairs of ports of said housing;
• and
• a septum having a longitudinal axis and mounted to said housing so as to be disposed at least partially within one of said ports, said septum being formed as least in part from a first elastomeric material and having a proximal portion, an extension portion, and a central slit defined at least partially therethrough, said septum proximal portion including an upper portion having a width greater than a width of said extension portion,
• a proximal end of said one port of said housing comprising a substantially continuous ring structure defining a platform, said upper portion of said septum being seated on said platform,
• wherein at least first and second diametrically opposed lateral voids are defined in said one port of said housing, distal of said ring structure.

A luer receiver for receiving a male luer tip, the receiver comprising:

• a housing defining a central chamber and at least three integral ports in fluid communication with the central chamber;
• a stop cock valve stem mounted in sealed relation to said central chamber and rotatable therewithin, said valve stem having a flow passage defined therethrough that extends between at least first and second orifices in a surface of said stem for selectively communicating respective pairs of ports of said housing;
• and
• a septum having a longitudinal axis and mounted to said housing so as to be disposed at least partially within a first one of said ports, said septum being mounted adjacent a proximal end of said first one of said ports, said septum having an upper face and a slit extending from said face at least partially through said septum, said septum being sized and configured to receive at least a portion of said male luer tip into said septum through said face and through at least a portion of said slit, at least a portion of said septum being displaced lateral to said longitudinal axis by said luer tip when said luer tip is advanced into said septum to define a displaced septum portion;
• a receptacle being defined by at least one of an outer wall of said septum and a side wall of said first one of said ports, said receptacle and said septum being sized and configured such that said displaced septum portion is received into said receptacle when said luer tip is advanced into said slit,
• wherein said ports are disposed at respective right angles to define a substantial T-shape, and
• wherein said flow passage includes a first curved portion for selectively communicating said first one of said ports with a second one of said ports disposed at 90° thereto and a second curved portion for selectively communicating said first one of said ports with a third one of said ports.

A luer receiving stopcock, for fluid connection between a catheter in communication with a patient's vasculature and at least one fluid system, the fluid system having a luer lock connector including a luer tip, the luer receiving stopcock comprising:

• a housing defining a central chamber and at least three integral ports in fluid communication with the central chamber, a first one of said ports being adapted for fluid connection to said catheter, said housing having an upper surface at said second port;
• a core mounted in sealed relation to said central chamber and rotatable therewithin, said core having a flow passage defined therethrough that extends between at least first and second orifices in a surface of said core for selectively communicating respective pairs of ports of said housing;
• an elastomeric septum mounted to said housing so as to be disposed at least partially within a second of said ports, said septum having an outer face and, a sealed slit, said second port being sized to receive said luer tip of said fluid system luer lock connector, said second port defining a female luer sized to be received into and lockingly engaged with said luer lock connector of said, fluid system when said luer tip is advanced against said septum;
• wherein said septum has a longitudinal axis, an upper portion with said outer face, said, upper portion mounted above said housing upper surface, and an extension portion projecting downwardly from said upper portion, said slit extending from adjacent said outer face through said upper portion and at least partially through said extension portion, a sealing force being applied by said housing to said septum adjacent said outer face thereby to seal said slit adjacent said outer face, said sealing force at least partially induced by said housing upper surface, said extension portion having a width in a direction transverse to said slit that is less than a transverse width of said upper portion, said septum and said slit therein being sized and configured to receive at least a portion of said male luer end into said septum through said face and through at least a portion of said slit, at least a portion of said septum being displaced lateral to said longitudinal axis by said luer tip when said luer tip is advanced into said septum to define a displaced septum portion;
• and
• at least one cavity defined lateral to said septum for receiving said displaced septum portion when said luer tip is advanced into said septum.

A luer receiving stopcock, for fluid connection between a catheter in communication with a patient's vasculature and at least one fluid system, the fluid system having a luer lock connector including a luer tip, the luer receiving stopcock comprising:

• a housing defining a central chamber and at least three integral ports in fluid communication with the central chamber, a first one of said ports being adapted for fluid connection to said catheter;
• a core mounted in sealed relation to said central chamber and rotatable therewithin, said core having a flow passage defined therethrough that extends between at least first and second orifices in a surface of said core for selectively communicating respective pairs of ports of said housing;
• an elastomeric septum mounted to said housing so as to be disposed at least partially within a second of said ports, said septum having an outer face and a sealed slit, said second port being sized to receive said luer tip of said fluid system luer lock connector, said second port defining a female luer sized to be received into and lockingly engaged with said luer lock connector of said fluid system when said luer tip is advanced against said septum;
• wherein said septum has a longitudinal axis, an upper portion with said outer face and an extension portion projecting downwardly from said upper portion, said slit extending from adjacent said outer face through said upper portion and at least partially through said extension portion, a sealing force being applied by said housing to said septum adjacent said outer face thereby to seal said slit at said outer face, said extension portion having a width in a direction transverse to said slit that is less than a transverse width of said upper portion, said septum and said slit therein being sized and configured to receive at least a portion of said male luer end into said septum through said face and through at least a portion of said slit, at least a portion of said septum being displaced lateral to said longitudinal axis by said luer tip when said luer tip is advanced into said septum to define displaced septum portion;
• and
• at least one cavity defined lateral to said septum for receiving said displaced septum portion when said luer tip is advanced into said septum;
• wherein:
• said housing defines a proximal end of said second port;
• and
• at least a portion of said septum upper portion is deflected upward by said housing, adjacent said proximal end, to forcibly seal said slit at said septum outer face.

A luer receiving stopcock, for fluid connection between a catheter in communication with a patient's vasculature and at least one fluid system, the fluid system having a luer lock connector including a luer tip, the luer receiving stopcock comprising:

• a housing defining a central chamber and at least three integral ports in fluid communication with the central chamber, a first one of said ports being adapted for fluid connection to said catheter;
• a core mounted in sealed relation to said central chamber and rotatable therewithin, said core having a flow passage defined therethrough that extends between at least first and second orifices in a surface of said core for selectively communicating respective pairs of ports of said housing;
• an elastomeric septum mounted to said housing so as to be disposed at least partially within a second of said ports, said septum having an outer face and a sealed slit, said second port being sized to receive said luer tip of said fluid system luer lock connector, said second port defining a female luer sized to be received into and lockingly engaged with said luer lock connector of said fluid system when said luer tip is advanced against said septum;
• wherein said septum has a longitudinal axis, an upper portion with said outer face and an extension portion projecting downwardly from said upper portion, said slit extending from adjacent said outer face through said upper portion and at least partially through said extension portion, a sealing force being applied by said housing to said septum adjacent said outer face thereby to seal said slit at said outer face, said extension portion having a width in a direction transverse to said slit that is less than a transverse width of said upper portion, said septum and said slit therein being sized and configured to receive at least a portion of said male luer end into said septum through said face and through at least a portion of said slit, at least a portion of said septum being displaced lateral to said longitudinal axis by said luer tip when said luer tip is advanced into said septum to define a displaced septum portion;
• and
• at least one cavity defined lateral to said septum for receiving said displaced septum portion when said luer tip is advanced into said septum;
• wherein:
• said housing defines a proximal end of said second port;
• and
• said housing further comprises a means for capturing said septum, said means positioned adjacent said proximal end for capturing said septum adjacent said proximal end.

A luer receiving stopcock, for fluid connection between a catheter in communication with a patient's vasculature and at least one fluid system, the fluid system having a luer lock connector including a luer tip, the luer receiving stopcock comprising:

• a housing defining a central chamber and at least three integral ports in fluid communication with the central chamber, a first one of said ports being adapted for fluid connection to said catheter;
• a core mounted in sealed relation to said central chamber and rotatable therewithin, said core having a flow passage defined therethrough that extends between at least first and second orifices in a surface of said core for selectively communicating respective pairs of ports of said housing;
• an elastomeric septum mounted to said housing so as to be disposed at least partially within a second of said ports, said septum having an outer face and a sealed slit, said second port being sized to receive said luer tip of said fluid system luer lock connector, said second port defining a female luer sized to be received into and lockingly engaged with said luer lock connector of said fluid system when said luer tip is advanced against said septum;
• wherein said septum has a longitudinal axis, an upper portion with said outer face and an extension portion projecting downwardly from said upper portion, said slit extending from adjacent said outer face through said upper portion and at least partially through said extension portion, a sealing force being applied by said housing to said septum adjacent said outer face thereby to seal said slit it said outer face, said extension portion having a width in a direction transverse to said slit that is less than a transverse width of said upper portion, said septum and said slit therein being sized and configured to receive at least a portion of said male luer end into said septum through said face and through at least a portion of said slit, at least a portion of said septum being displaced lateral to said longitudinal axis by said luer tip when said luer tip is advanced into said septum to define a displaced septum portion;
• and
• at least one cavity defined lateral to said septum for receiving said displaced septum portion when said luer tip is advanced into said septum;
• wherein:
• said housing at said second port defines a longitudinal axis and a bore extending along said axis, said bore having a proximal end;
• said housing at said second port having a projecting portion adjacent said proximal end extending inwardly at least partially transverse to said longitudinal axis, said projecting portion projecting above at least a portion of said septum, engaging said septum so that said housing captures said septum adjacent said proximal end.

A luer receiving stopcock, for fluid connection between a catheter in communication with a patient's vasculature and at least one fluid system, the fluid system having a luer lock connector including a luer tip, the luer receiving stopcock comprising:

• a housing defining a central chamber and at least three integral ports in fluid communication with the central chamber, a first one of said ports being adapted for fluid connection to said catheter;
• a core mounted in sealed relation to said central chamber and rotatable therewithin, said core having a flow passage defined therethrough that extends between at least first and second orifices in a surface of said core for selectively communicating respective pairs of ports of said housing;
• an elastomeric septum mounted to said housing so as to be disposed at least partially within a second of said ports, said septum having an outer face and a sealed slit, said second port being sized to receive said luer tip of said fluid system luer lock connector, said second port defining a female luer sized to be received into and lockingly engaged with said luer lock connector of said fluid system when said luer tip is advanced against said septum;
• wherein said septum has a longitudinal axis, an upper portion with said outer face and an extension portion projecting downwardly from said upper portion, said slit extending from adjacent said outer face through said upper portion and at least partially through said extension portion, a sealing force being applied said housing to said septum adjacent said outer face thereby to seal said slit at said outer face, said extension portion having a width in a direction transverse to said slit that is less than a transverse width of said upper portion, said septum and said slit therein being sized and configured to receive at least a portion of said slit, at least a portion of said septum being displaced lateral to said longitudinal axis by said luer tip when said luer tip is advanced into said septum to define a displaced septum portion;
• and
• at least one cavity defined lateral to said septum for receiving said displaced septum portion when said luer tip is advanced into said septum;
• wherein:
• said housing at said second end defines a bore having a proximal end, said housing having a projecting portion adjacent said proximal end, said projecting portion projecting against and capturing at least a portion of said septum adjacent said proximal end.

A luer receiving stopcock, for fluid connection between a catheter in communication with a patient's vasculature and at least one fluid system, the fluid system having a luer lock connector including a luer tip, the luer receiving stopcock comprising:

• a housing defining a central chamber and at least three integral ports in fluid communication with the central chamber, a first one of said ports being adapted for fluid connection to said catheter;
• a core mounted in sealed relation to said central chamber and rotatable therewithin, said core having a flow passage defined therethrough that extends between at least first and second orifices in a surface of said core for selectively communicating respective pairs of ports of said housing;
• an elastomeric septum mounted to said housing so as to be disposed at least partially within a second of said ports, said septum having an outer face and a sealed slit, said second port being sized to receive said luer tip of said fluid system luer lock connector, said second port defining a female luer sized to be received into and lockingly with said luer lock connector of said fluid system when said luer tip is advanced against said septum;
• wherein said septum has a longitudinal axis, an upper portion with said outer face and an extension portion projecting downwardly from said upper portion, said slit extending from adjacent said outer face through said upper portion and at least partially through said extension portion, a sealing force being applied by said housing to said septum adjacent said outer face thereby to seal said slit at said outer face, said extension portion having a width in a direction transverse to said slit that is less than a transverse width of said upper portion, said septum and said slit therein being sized and configured to receive at least a portion of said male luer end into said septum through said face and through at least a portion of said slit, at least a portion of said septum being displaced lateral to said longitudinal axis by said luer tip when said luer tip is advanced into said septum to define a displaced septum portion;
• and
• at least one cavity defined lateral to said septum for receiving said displaced septum portion when said luer tip is advanced into said septum;
• wherein:
• said housing at said second port defines a bore having a proximal end, said housing at said second port having an upward-facing surface adjacent said proximal end, at least a portion of said septum upper portion being mounted above said upward-facing surface.