Section D: Troubleshooting - DePuy Synthes Codman Neuro CERTAS Plus Manual Del Usario

8. Remove the Adjustment Tool from the Locator
9. Repeat Steps 7 and 8 to confirm successful
10. If the desired performance setting is not achieved,
11. It is recommended to record the valve setting in the
12. Disinfect the tool kit components (See Disinfecting
13. Return all tools to their proper locations in the

SECTION D: Troubleshooting

If valve function is adversely affected by accumulations
of biological matter, it might be possible to dislodge the
material and restore proper function through one of the
following methods:
• flushing and/or pressing the valve (only for those
• multiple attempts to adjust the setting
If there is difficulty in indicating and/or adjusting the
valve setting:
• To optimize Indicator Tool performance, ensure that
• Use fluoroscopy or x-ray to locate the position and
It may be challenging to get the correct position of the
Locator Tool above the implanted valve. Consider using
the Low Profile Locator Tool.
• Palpate to feel for the hard valve mechanism and
206521-001-G-INS.indd 16
challenging if tissue thickness is >10 mm above the
valve. In these instances, verify the valve position
and orientation with x-ray or fluoroscopy. Refer
to SECTION D: Troubleshooting and SECTION E:
Confirming the Current Valve Setting.
Note: The Adjustment Tool is equipped with a
mechanical stop between Settings 1 and 8. This is to
prevent inadvertent adjustment between the extremes
of the available settings.
Note: Successful adjustment is accomplished by
starting at the valve's current setting and moving
directly to the desired setting.
Tool by lifting it straight upwards a minimum of 3 cm
(1.25 in.) before moving it horizontally away from the
Locator Tool in order to avoid inadvertently changing
the valve setting.
adjustment of the performance setting. Always
confirm the desired performance setting of the valve.
repeat Steps 7 through 9.
patient's record and I.D. wallet card (available from
local Codman sales representative).
the CODMAN CERTAS Tool Kit).
storage case to prevent damage.
Note: place the Low Profile Locator Tool under the
elastic webbing in the bottom of the storage case
and fully collapse the Adjustable Height Locator
Tool (See Figure 2B).
valves without the SIPHONGUARD feature)
the patient is positioned so that the valve is horizontal
and the tool kit components are used horizontally.
See Figure 6.
orientation of the valve mechanism for adjustment and/
or to determine the performance setting of the valve.
A fiducial mark may be helpful for this technique.
make sure the black lines on the Low Profile
Locator Tool are aligned with the center of the
valve mechanism.
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