Operation and Frequently Used Functions
DualWave Arthroscopy Pump User’s Guide
DFU-0212 Rev. 1 Page 34 of 54
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Operation and Frequently Used Functions
Users of this device should contact their Arthrex representative if they require a more
comprehensive surgical technique.
5.1 Initial Pressure Settings
WARNING!
The safety and effectiveness of the AR-6480 is verified and documented;
however, the AR-6480 must be used with an awareness of the risk of extra-
articular edemas for patients with pathologically changed articular capsules
and for procedures involving an opening of the capsule (e.g. lateral release).
Slight swellings have been observed and described in the literature in cases
where roller pumps are used in arthroscopy. This build-up of fluid can lead to
postoperative swellings and pathological changes in patients. It is of the
utmost importance that the surgeon monitors both the system and the
patient closely while the roller pump is in operation.
Always start with the lowest possible pressure to achieve the desired joint
distention. Continue to increase distention pressure until a clear liquid
medium is obtained.
After the DualWave power-up sequence has finalized, the user will be able to
select from four preprogrammed pressure settings for the knee, shoulder, small
joint, and hip joint spaces. Once the icon for the selected joint space has been
pressed, the DualWave will display the appropriate controls and readings on the
operator display. The pressure presets can be adjusted by entering the MENU,
then Defaults, then Presets. Selecting “done” will save the adjusted preset in the
memory until it is changed.
Table 15 specifies the initial pressure settings that are preprogrammed for surgery.
The ideal intra-articular pressure depends on the indications for the arthroscopic
procedure, bleeding tendency, and the possibility of ischemia.
Table 15 Initial Pressure Settings
All settings are based on the use of a high-flow sheath or secondary inflow portal
(suprapatellar, etc.).
To obtain a clear fluid environment, slowly increase the distention pressure
beginning with the initial pressure settings in Table 15.
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