Whole blood sample needleless sample site

Claim 2

A sample site adapted to be accessed by a blunt cannula comprising: a housing having a bottom; a seal including a pair of resilient wing members spaced above the housing bottom and being openable and deflectable into the housing under pressure of the blunt cannula thereagainst whereby to selectively access fluid inside the housing; a pair of ports connected to the housing and having inlets in fluid communication with the inside of the housing, the inlets having a bottom edge and a top edge; and flow diverter means between the ports and extending from the port inlet bottom edge to the port inlet top edge to completely interrupt a line of sight path between the port inlets, the flow diverter means being spaced from the wing members so as to direct fluid towards the wing members as fluid flows into the housing from one of the ports to the other port.

Claim 3

The sample site of claim 1, the flow diverter means including a wall extending generally perpendicular to the ports.

Claim 4

The sample site of claim 1, the flow diverter means supporting an angled surface confronting one of the ports.

Claim 5

The sample site of claim 1, the flow diverter means supporting a pair of oppositely angled surfaces confronting respective ones of the ports.

Claim 6

The sample site of claim 1, the flow diverter means including means defining an inverted U-shaped channel the respective legs of which are coupled to respective ones of the ports and the bite portion of which is aimed at the seal wherein the bite portion is exposed for fluid communication with the seal.

Claim 7

A sample site adapted to be accessed by a blunt cannula comprising: a housing having a bottom; a pair of ports connected for fluid communication into and out of the housing; an obturator member fixedly positioned within the housing and having a lumen therethrough in fluid communication with the ports; an apertured exterior wall on the housing through which the blunt cannula can enter the housing to make fluid connection to the lumen; seal means adjacent the exterior wall aperture for normally sealing the aperture against fluid communication with the lumen, the seal means being movable into the obturator member under pressure of the blunt cannula passing into the aperture so as so open a channel in the seal means and expose the lumen therethrough to the blunt cannula; and means extending at least partially into the obturator lumen for defining first and second separate flow paths between the obturator member lumen and respective ones of the ports.

Claim 8

A sample site adapted to be accessed by a blunt cannula comprising: a housing having a bottom; a pair of ports connected for fluid communication into and out of the housing; an obturator member fixedly positioned within the housing and having a lumen therethrough in fluid communication with the ports; an apertured exterior wall on the housing through which the blunt cannula can enter the housing to make fluid connection to the lumen; seal means adjacent the exterior wall aperture for normally sealing the aperture against fluid communication with the lumen, the seal means being movable into the obturator member under pressure of the blunt cannula passing into the aperture so as so open a channel in the seal means and expose the lumen therethrough to the blunt cannula; and means extending at least partially into the obturator lumen for defining first and second separate flow paths between the obturator member lumen and respective ones of the ports.

Claim 9

The needleless sample site of claim 6 wherein the housing includes base means for supporting the ports and hub means for defining at least a portion of the first and second flow paths extending from the obturator member lumen.

Claim 10

The needleless sample site of claim 7, the hub means including a central projection having a pair of recess means thereon for defining portions of the flow paths adjacent the lumen.

Claim 11

The needleless sample site of claim 8, the obturator member having means for receiving the central projection such that the obturator member surrounds the recess means.

Claim 12

The needleless sample site of claim 7, the base means including pipe means for coupling each of the flow paths to respective ones of the ports.

Claim 13

The needleless sample site of claim 7, the hub means including a pair of conduit means therethrough for defining the respective flow paths.

Claim 14

The sample site of claim 11, the base means including pipe means for coupling each of the flow paths to respective ones of the ports, the base means and the hub means being separate components and including cooperating positioning means for aligning the pipe means and the conduit means.

Claim 15

The sample site of claim 7, the base means and the hub means being separate components.

Claim 16

The sample site of claim 6 wherein the means defining the first and second separate flow paths extends to the housing bottom.

Claim 17

The sample site of claim 7 wherein the housing bottom is in the base means and wherein the means defining the first and second separate flow paths includes a wall extending within the base means.

Claim 18

The sample site of claim 15 wherein the means defining the first and second separate flow paths further includes an extension of the base means wall extending into the hub means.

Claim 19

A sample site adapted to be accessed by a blunt cannula comprising: a housing; a resilient apertured seal member, and an obturator member fixed in the housing and having a lumen therethrough for fluid communication with the seal member, the seal member being openable by the obturator member under pressure of the blunt cannula thereagainst whereby to selectively access fluid inside the housing; a pair of ports connected to the housing in fluid communication with the inside of the housing; and an inverted U-shaped channel the respective legs of which are coupled to respective ones of the ports and the bite portion of which is aimed at the seal member wherein the bite portion is exposed for fluid communication with the seal member, the exposed bite portion of the U-shaped channel being coupled to the obturator lumen.

Claim 20

A sample site adapted to be accessed by a blunt cannula comprising: a housing; a resilient apertured seal member, and an obturator member fixed in the housing and having a lumen therethrough for fluid communication with the seal member, the seal member being openable by the obturator member under pressure of the blunt cannula thereagainst whereby to selectively access fluid inside the housing; a pair of ports connected to the housing in fluid communication with the inside of the housing; and an inverted U-shaped channel the respective legs of which are coupled to respective ones of the ports and the bite portion of which is aimed at the seal member wherein the bite portion is exposed for fluid communication with the seal member, the exposed bite portion of the U-shaped channel being coupled to the obturator lumen.

Claim 21

A sample site adapted to be accessed by a blunt cannula comprising: a housing having a bottom and a cylindrical sidewall defining an open fluid cavity inside the housing; a seal having a resilient member across the fluid cavity opening and spaced above the housing bottom, the resilient member being openable under pressure of the blunt cannula thereagainst whereby to selectively access fluid in the fluid cavity; a pair of ports connected to the housing and having inlets in fluid communication with the fluid cavity, the inlets having a bottom edge and a top edge; and a flow diverter situated within the fluid cavity and between the ports, the flow diverter extending from the port inlet bottom edge to the port inlet top edge to completely interrupt a line of sight path between the port inlets, the flow diverter having a generally flat distal edge extending completely across the fluid cavity from one end to an opposite end of the cylindrical sidewall of the housing and being spaced from the seal resilient member so as to direct fluid towards the seal resilient member as fluid flows into the housing from one of the ports to the other port.

Claim 22

A sample site adapted to be accessed by a blunt cannula comprising: a housing having a bottom and a cylindrical sidewall defining an open fluid cavity inside the housing; a seal having a resilient member across the fluid cavity opening and spaced above the housing bottom, the resilient member being openable under pressure of the blunt cannula thereagainst whereby to selectively access fluid in the fluid cavity; a pair of ports connected to the housing and having inlets in fluid communication with the fluid cavity, the inlets having a bottom edge and a top edge; and a flow diverter situated within the fluid cavity and between the ports, the flow diverter extending from the port inlet bottom edge to the port inlet top edge to completely interrupt a line of sight path between the port inlets, the flow diverter having a generally flat distal edge extending completely across the fluid cavity from one end to an opposite end of the cylindrical sidewall of the housing and being spaced from the seal resilient member so as to direct fluid towards the seal resilient member as fluid flows into the housing from one of the ports to the other port.

Claim 23

The sample site of claim 18, the flow diverter including a wall extending generally perpendicular to the ports.

Claim 24

The sample site of claim 18, the flow diverter supporting an angled surface confronting one of the ports.

Claim 25

The sample site of claim 18, the flow diverter supporting a pair of oppositely angled surfaces confronting respective ones of the ports.

Claim 26

The sample site of claim 18, the seal resilient member including a pair of wings being deflectable into the housing under pressure of the blunt cannula thereagainst.

Claim 27

The sample site of claim 18, the flow diverter including means defining an inverted U-shaped channel the respective legs of which are coupled to respective ones of the ports and the bite portion of which supports the distal edge and is aimed at the seal resilient member wherein the bite portion is exposed for fluid communication with the seal.

Claim 28

A sample site adapted to be accessed by a blunt cannula comprising: a housing having a bottom and a cylindrical sidewall defining an open fluid cavity inside the housing; a seal having a resilient member across the fluid cavity opening and spaced above the housing bottom, the resilient member being openable under pressure of the blunt cannula thereagainst whereby to selectively access fluid in the fluid cavity; a pair of ports connected to the housing and having inlets in fluid communication with the fluid cavity, the inlets having a bottom edge and a top edge; and a flow diverter situated within the fluid cavity and between the ports, the flow diverter extending from the port inlet bottom edge to the port inlet top edge to completely interrupt a line of sight path between the port inlets, wherein no portion of the housing sidewall extends toward the flow diverter and the flow diverter is spaced from the seal resilient member, such that no portion of the resilient member contacts the flow diverter.

Claim 29

A sample site adapted to be accessed by a blunt cannula comprising: a housing having a bottom and a cylindrical sidewall defining an open fluid cavity inside the housing; a seal having a resilient member across the fluid cavity opening and spaced above the housing bottom, the resilient member being openable under pressure of the blunt cannula thereagainst whereby to selectively access fluid in the fluid cavity; a pair of ports connected to the housing and having inlets in fluid communication with the fluid cavity, the inlets having a bottom edge and a top edge; and a flow diverter situated within the fluid cavity and between the ports, the flow diverter extending from the port inlet bottom edge to the port inlet top edge to completely interrupt a line of sight path between the port inlets, wherein no portion of the housing sidewall extends toward the flow diverter and the flow diverter is spaced from the seal resilient member, such that no portion of the resilient member contacts the flow diverter.

Claim 30

The sample site of claim 24, the flow diverter including a wall extending generally perpendicular to the ports.

Claim 31

The sample site of claim 24, the flow diverter supporting an angled surface confronting one of the ports.

Claim 32

The sample site of claim 24, the flow diverter supporting a pair of oppositely angled surfaces confronting respective ones of the ports.

Claim 33

The sample site of claim 24, the seal resilient member including a pair of wings being deflectable into the housing under pressure of the blunt cannula thereagainst.

Claim 34

The sample site of claim 24, the flow diverter having a generally flat distal edge extending completely across the fluid cavity from one end to an opposite end of the cylindrical sidewall of the housing.

Claim 35

The sample site of claim 24, wherein the port inlet edges are spaced from the housing bottom and wherein the flow diverter extends from the housing bottom such that the fluid cavity includes a portion below the port inlet bottom edge.

Claim 36

A sample site adapted to be accessed by a blunt cannula comprising: a housing having a bottom and a cylindrical sidewall defining an open fluid cavity inside the housing; a seal having a resilient member across the fluid cavity opening and spaced above the housing bottom, the resilient member being openable under pressure of the blunt cannula thereagainst whereby to selectively access fluid in the fluid cavity; a pair of ports connected to the housing and having inlets in fluid communication with the fluid cavity, the inlets having a bottom edge and a top edge both being spaced from the housing bottom; a flow diverter situated within the fluid cavity and between the ports, the flow diverter extending from the housing bottom across the port inlet bottom edge to the port inlet top edge to completely interrupt a line of sight path between the port inlets such that the fluid cavity includes a portion below the port inlet bottom edge.

Claim 37

A sample site adapted to be accessed by a blunt cannula comprising: a housing having a bottom and a cylindrical sidewall defining an open fluid cavity inside the housing; a seal having a resilient member across the fluid cavity opening and spaced above the housing bottom, the resilient member being openable under pressure of the blunt cannula thereagainst whereby to selectively access fluid in the fluid cavity; a pair of ports connected to the housing and having inlets in fluid communication with the fluid cavity, the inlets having a bottom edge and a top edge both being spaced from the housing bottom; a flow diverter situated within the fluid cavity and between the ports, the flow diverter extending from the housing bottom across the port inlet bottom edge to the port inlet top edge to completely interrupt a line of sight path between the port inlets such that the fluid cavity includes a portion below the port inlet bottom edge.