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DESCRIPTION:
The Phoenix CRx World Shunt consists of one silicone
elastomer, CRx slit valve positioned in a polysulfone housing, which
is enclosed in a cylindrical silicone elastomer pumping chamber
with attached 90 cm, closed end distal tube.
The valve mechanism inside the polysulfone valve housing is thimble-shaped
slit in its distal end. The mid-portion of the cylindrical silicone
body serves as a pumping chamber. A polyester re-inforced silicone
suture tab is bonded to the pumping chamber to permit suture fixation
to the pericranium..
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There is an integral polysulfone connector at the inlet of the
valve housing to facilitate connection of the ventricular catheter.
The distal tube may be cut to suit the requirements of the patient.
A radiopaque pressure designation code of one to three radiopaque
dots, indicating low, medium, or high pressure, appears on the connector
tube over the pumping chamber.
Included with the valve is a disposable blunt tip, stainless steel
luer adaptor to facilitate pre-implant valve preparation.
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CRx World Shunt
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ID
Dots
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Pressure
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Nominal
Pressure
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Order No.
1/2 Unitized
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1/2 Unitized non-metal, progressive resistance CRx valve &
pumping chamber, attached 90 cm Vision close end distal catheter,
Vision Spiral-Port ventricular catheter, stylet, burr hole catheter
support & flushing tube.
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(No Dot)
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Very Low
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20 mm H2O
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CRX020W
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*
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Low
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40 mm H2O
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CRX040W
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* *
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Medium
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80mm H2O
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CRX080W
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* * *
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High
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120 mm H2O
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CRX120W
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All CRX020W tubing size
is 1.2 mm ID X 2.5 mm OD,
all other CRXW catalog numbers are 0.9 x 2.5 mm OD.
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