Section D: Troubleshooting - Codman CERTAS Plus Manual Del Usario

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the Locator Tool, ensuring the black center lines

are centered with the valve mechanism (Figure 10).

Repeat Steps 1 through 6.

CAUTION: Do not move the Locator and Indicator

Tools together to obtain or center a number in

the window as this could result in an inaccurate

indication of the performance setting.

7. Insert the Adjustment Tool into the Locator Tool so

that the arrow is pointing to the current performance

setting. With one hand holding the "petals" of the

Locator Tool, turn the Adjustment Tool with the

other hand until the arrow points to the desired

performance setting (Figure 12). The Adjustment Tool

will provide an audible click and a tactile response as

you turn to each setting.

CAUTION: Failure to accurately position the

Locator Tool could result in an inability to adjust

the performance setting. The Locator Tool must be

precisely aligned with both the valve's direction of

flow and the center of the hard valve mechanism

for an accurate adjustment. Alignment can be more

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.

8. Remove the Adjustment Tool from the Locator

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.

9. Repeat Steps 7 and 8 to confirm successful

adjustment of the performance setting. Always

confirm the desired performance setting of the valve.

10. If the desired performance setting is not achieved,

repeat Steps 7 through 9.

11. It is recommended to record the valve setting in the

patient's record and I.D. wallet card (available from

local Codman sales representative).

12. Disinfect the tool kit components (See Disinfecting

the CODMAN CERTAS Tool Kit).

13. Return all tools to their proper locations in the

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).