User's Manual Part 5

3.12 8065751025
Constellation
®
Vision System
Viscous Fluid Control Setup Procedure
Syringe Adapter Connection
WARNINGS!
• Do not use if a stream of air bubbles is observed passing through the fluid
• Do not use VFC Kit with fluid viscosity greater than 5000 centistoke
1. Scan the bar code on the VFC Kit with the Bar Code Scanner in the back
of the Constellation
®
console. Select VFC in the Accessories panel.
Circulator or Non-sterile
Scrub Nurse
2. Peel the lid from the pak and aseptically transfer the components to the
sterile field.
Circulator
3. Connect the ENGAUGE™ RFID connector on the VFC Syringe Adapter
to the Viscous Fluid Control Port on the console. The VFC port on the
console will be lit to indicate the appropriate port for connection. NOTE:
The flange on the connector acts as a sterile barrier so this task can be
performed by the sterile scrub nurse.
Scrub Nurse
Silicone Oil Injection
1. When ready to perform the silicone oil injection procedure, select the
VFC Injection function in Surgery Mode. Select the gauge of the cannula
planned for the procedure.
Circulator or Scrub
Nurse
2. Ensure that the tip cap is securely attached to the 10 cc syringe barrel.
Scrub Nurse
3. Following the directions for use supplied with the sterile Silicone Oil (i.e.
Alcon Silikon 1000, REF 8065601185), aseptically transfer viscous fluid
to the syringe barrel. Care should be taken to prevent air bubbles from
entering syringe.
Scrub Nurse
4. Partially insert the syringe stopper supplied in the kit to prevent the
silicone oil from spilling.
Scrub Nurse
5. Tilt the syringe barrel such that the luer tip is pointing upwards and
remove the tip cap to allow air to escape and complete inserting the
syringe stopper.
Scrub Nurse
6. Keeping the Cannula cover on, attach the desired VFC cannula to the
syringe. There is both a 20 Ga and 23 Ga Cannula provided with the kit.
Scrub Nurse
7. Using the plastic push rod included with the kit, advance the stopper to
purge all air from the syringe and cannula.
Scrub Nurse
8. Connect the silicone oil filled syringe barrel to the syringe adapter by
pushing down until it bottoms out and rotate the barrel 90°. Ensure that
the flanges on the syringe barrel are entirely engaged with the adapter.
Scrub Nurse
9. Remove the cannula cover while tilting the cannula tip up, carefully
pressurize the syringe to expel any remaining air that is trapped in the
syringe barrel. Wrap the cannula tip in sterile gauze, lint free cloth or
sponge to capture any expelled fluid.
Scrub Nurse
10. On the VFC screen, adjust the appropriate injection pressure and the
device is ready for use.
Scrub Nurse
Silicone Oil Extraction
1. Follow the same procedure for Syringe Adapter Connection as described
above.
Scrub Nurse
2. When ready to perform the silicone oil extraction procedure, select
the VFC Extraction function in Surgery Mode. Select the gauge of the
cannula planned for the procedure.
Circulator or Scrub
Nurse
3. Remove the tip cap from the 10 cc syringe barrel and insert the syringe
stopper supplied in the kit. Use the plastic push rod to push the stopper
all the way to the bottom of the syringe barrel.
Scrub Nurse