presentation: stopcock with a swabbable port including minimum dead space october 2004
TRANSCRIPT
Presentation: Stopcock With A Swabbable Port Presentation: Stopcock With A Swabbable Port Including Minimum Dead Space Including Minimum Dead Space
October 2004October 2004
Minimum Dead Minimum Dead Space Swabbable Space Swabbable
StopcockStopcock Current DesignCurrent Design
Concept AConcept A
Minimum Dead Minimum Dead Space Swabbable Space Swabbable
StopcockStopcock
Current Design
Minimum Dead Minimum Dead Space Swabbable Space Swabbable
StopcockStopcock The problem with the current design:
FlowToo big “dead space ,”
i.e. a volume not flushed by regular flow through the device
Dead space
Current Design
Minimum Dead Minimum Dead Space Swabbable Space Swabbable
StopcockStopcock
5Concept A
FlowFlow
CircumferentialCircumferentialflow pathflow path
Flow guideFlow guide
Dead SpaceDead SpaceNo Dead SpaceNo Dead Space
Flowdirections
Minimum Dead Minimum Dead Space Swabbable Space Swabbable
StopcockStopcock Alternative design
Old design
Comparing the current design with Concept A
Minimum Dead Minimum Dead Space Swabbable Space Swabbable
StopcockStopcock
The different Flow positionsThe different Flow positionsFree flow, both ports open (routine)Free flow, both ports open (routine)Patient side closed, pressure side openPatient side closed, pressure side openAll ports in closed positionAll ports in closed positionPressure side closed, patient side openPressure side closed, patient side open
Back toconcept A
8
THE END