Main Body Release Troubleshooting; References - COOK Medical Zenith Alpha Mode D'emploi

12 MAIN BODY RELEASE TROUBLESHOOTING

Troubleshooting Flow Chart 1: Bare Stent Is Not Released and Rotation Handle Cannot Rotate
NOTE: Technical assistance from a Cook product specialist may be obtained by contacting your local Cook representative .
Black
safety lock knob
locked?
No
Completely unsheathe
ipsilateral limb (Fig . 44)
(Section 12, procedural
step 3)
Unlock gray
safety lock knob
(Fig . 45) (Section
12, procedural
step 3)
Troubleshooting Flow Chart 2: Proximal Bare Stent Is Released and Gray Safety Lock Knob Will Not Unlock
Is blue
rotation handle
able to be
turned?
1 . Ensure that the black safety lock knob is secured in the unlock position .
2 . Continue rotating the blue rotation handle .
3 . In case of difficulty releasing the proximal bare stent and rotating the
blue rotation handle, completely unsheathe the ipsilateral limb
(Fig . 44), then unlock the gray safety lock knob and secure it in the
unlocked position . (Fig . 45) Continue rotating the blue rotation handle
until it stops rotating (approximately two full turns), which should
release the proximal bare stent and the distal ipsilateral limb . Complete
the procedure . If this still does not alleviate difficulty, proceed with the
main body release troubleshooting steps below to disassemble the
rotation handle .
4 . Place surgical forceps into the slots on the back-end clips and slide both
clips out . (Figs . 46 and 47)
5 . Remove the back-end cap from the blue rotation handle . (Fig . 48)
6 . While holding the black gripper, remove the blue rotation handle by
sliding it straight back . If you pull the handle back and it stops, ensure
that the gray safety lock knob is unlocked and secured in the unlock
position (180 degree rotation), then continue to pull the handle straight
back . (Fig . 49) If the handle still will not pull back, rotate it in the
opposite direction of the arrows (counterclockwise) until the handle is
removed . (Figs . 50 and 51)
NOTE: Tension will be felt during the removal of the rotation handle .
7 . Using forceps, grasp all the wires and withdraw them until the graft is
released . (Fig . 52 and 53)
Unlock black
Yes
safety lock knob
(Section 10 . 1 . 4 )
Able to rotate
blue rotation
handle?
No
Proceed to Main
Body Release
Troubleshooting
(Section 12,
procedural step 4)
Continue rotating blue
rotation handle, up to two
Yes full rotations, until safety
lock knobs align and until
handle stops (Section 10 . 1 . 4 )
No
Continue rotating
blue rotation handle
and complete
procedure (Section
10 . 1 . 4 )
Continue rotating blue
rotation handle and
Yes
complete procedure
(Section 10 . 1 . 4 )
Will gray
safety lock knob
unlock?
No
Use gauze or
forceps to forcibly
unlock gray safety
lock knob (Section
10 . 1 . 7 ) (Section 12,
procedural step 3)
Proceed to Main
Body Release
Troubleshooting
(Section 12,
procedural step 4)

13 REFERENCES

These instructions for use are based on experience from physicians and (or)
their published literature . Refer to your local Cook sales representative for
information on available literature .
35
Yes
procedure (Fig . 44)
Able to rotate
blue rotation
handle?
No
Unlock gray
safety lock knob
and complete
Yes
Complete
Procedure