Components And Accessories - Integra LifeSciences CODMAN HAKIM Precision Fixed Pressure Valves Mode D'emploi

Precision Fixed Pressure Valve Configurations
In-line with SIPHONGUARD Device
In-line
Right Angle with SIPHONGUARD Device
Right Angle
Cylindrical with Prechamber
Cylindrical
Micro with RICKHAM
Micro
CODMAN HAKIM In-line and Right Angle Valves include a precision
fixed pressure valve with a low profile and flat bottom, and an in-line or right
angle integral reservoir, with or without SIPHONGUARD.
CODMAN HAKIM Cylindrical Valves include a precision fixed
pressure valve, a pumping chamber, and an outlet valve with or without
a prechamber.
CODMAN HAKIM Micro Valves include a precision fixed pressure valve
with or without a RICKHAM reservoir.
All precision fixed pressure valve configurations are designed for use with
components having the following dimensions:
Component
Ventricular Catheter
Drainage Catheter
How Supplied
The Valve includes a precision fixed pressure valve, instructions for use,
straight connector(s)*, introducer**, and priming adapter***.
The Valve System includes a precision fixed pressure valve, 14 cm
ventricular catheter, 85 cm or 120 cm unitized peritoneal catheter,
instructions for use, right angle adapter, and priming adapter***.
The Valve System, Unitized, includes a precision fixed pressure valve,
14 cm ventricular catheter, 85 cm or 120 cm unitized peritoneal catheter,
instructions for use, right angle adapter, and priming adapter***.
*Straight connectors provided with Cylindrical and Micro versions only.
**Introducers provided with Cylindrical versions only.
***Priming adapter provided with In-line, Right Angle, and Micro versions only.
SIPHONGUARD Device
CSF flows through the inlet valve and enters the SIPHONGUARD Device,
where it flows into two internal passages. Under normal conditions, the
majority of CSF flows through a central ruby ball and cone valve, and
exits directly out of the distal port of the SIPHONGUARD Device. The
remaining CSF travels through a spiral passage that surrounds the central
passage, and joins the fluid passing through the central passage, distal to
the ball and cone valve.
A sudden increase in CSF flow will close the ball and cone valve and the
entire volume of CSF will be forced through the longer spiral passage,
effectively slowing the rate at which CSF is shunted from the brain. Once
the flow rate entering the SIPHONGUARD Device decreases, the ruby ball
separates from the valve seat, opening the central passage. As long as
CSF continues to be shunted from the ventricles, flow through the spiral
passage of the SIPHONGUARD Device never stops, regardless of the
patient's position.
Note: The SIPHONGUARD Device will not activate at low CSF flow rates.
The SIPHONGUARD Device has a rigid enclosing shell of polyethersulfone
to prevent inadvertent closure (and subsequent reduction or blockage of
CSF flow) caused by externally applied pressure.

Components and Accessories

Ventricular Catheter (Figure 3)
The ventricular catheter is a 14 cm straight ventricular catheter molded
of radiopaque silicone elastomer with x-ray detectable dots and a
preassembled stainless steel introducing stylet.
Drainage Catheter
The drainage catheter is an 85 cm or 120 cm radiopaque peritoneal
catheter, molded of radiopaque silicone elastomer.
Right Angle Adapter (Figure 4)
The right angle adapter, made of PROLENE
bending of the ventricular catheter at the burr hole site.
Priming Adapter (Figure 5)
The priming adapter, provided with the In-line, Right Angle, and Micro Valves,
facilitates preimplantation irrigation to the valve.
Straight Connector
The straight connector joins the proximal and distal catheters to the
Cylindrical and Micro Valves.
Reservoir
®
Inner Diameter
1.4 mm
1.0 mm
4
Outer Diameter
2.7 mm
2.2 mm
Material, allows 90 degree
®