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Cleaning and Disinfection of the PUMA-G System External Magnet

Congratulations on finishing your PUG procedure! Now you’re wondering how to clean and/or disinfect the magnet prior to returning it to the storage case.

Directions are in the instructions for use - copied below as reference. Note that the external magnet should have been sheathed in a sterile cover during the procedure.

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This section includes instructions for manual cleaning and disinfecting the PUMA-G System External Magnet (other components of the PUMA-G System are disposable). The external magnet must be cleaned and disinfected after each use, without skipping or shortening steps. Initial cleaning should occur promptly following use, as to minimize potential for drying of contaminants. Based upon the expected usage of the PUMA-G System External Magnet, this component is classified as non-critical (per Spaulding classification), meaning that it may come into contact with unbroken skin. The PUMA-G System External Magnet may also come into contact with ultrasound gel.

Before cleaning, visually inspect the PUMA-G External Magnet to determine that it is free of any unacceptable deterioration, such as discoloration, pitting, or cracked seals or housing. If damage is evident, discontinue use and contact CoapTech.

WARNING: Use proper safety technique while holding the magnet during cleaning and disinfection. It will attract to nearby metal (ferromagnetic) surfaces.

To clean the PUMA-G System External Magnet:

  1. If large amounts of ultrasound gel are present, wipe off using a dry paper towel.

  2. Thoroughly clean all external magnet surfaces using either a soft cloth dampened with cleaner or a premoistened wipe for at least 30 seconds. Water (room temperature from potable water source) or isopropyl alcohol is acceptable. Remove any ultrasound gels or particulate matter. To clean the elastic band holder (the depressed channel around the head of the gray magnet), slide the edge of the cloth or wipe into the gap and press down while moving along this area.

  3. Verify that all gel and particulate matter have been removed. Repeat Step 2, if necessary.

  4. Actively dry the external magnet prior to disinfection steps.

To disinfect the PUMA-G System External Magnet:

  1. Thoroughly disinfect all external magnet surfaces using either a soft cloth dampened with a compatible disinfectant or a premoistened disinfectant wipe. PDI Healthcare’s Sani-Cloth HB is a compatible intermediate disinfectant. Use disinfectant in accordance with its instructions for use. To disinfect the elastic band holder (the depressed ridge area toward the head of the gray magnet), slide the edge of the cloth or wipe into the gap and press down while moving along the ridge.

  2. Following disinfection (according to manufacturer’s instructions), rinse the PUMA-G System External Magnet to remove residual disinfectant. Thoroughly rinse all external magnet surfaces using a soft cloth dampened with water (room temperature from potable water source) for at least 30 seconds.

  3. Actively dry the external magnet prior to returning it to its protective case.

After disinfection, visually inspect the PUMA-G External Magnet to determine that it is free of any unacceptable deterioration, such as discoloration, pitting, or cracked seals or housing. If damage is evident, discontinue use and contact CoapTech.

Cleaning and disinfection steps are not expected to impact the useful life of the PUMA-G System External Magnet. However, visual inspection for unacceptable deterioration (as described above) would allow for determination on whether the PUMA-G System External Magnet’s useful life has been exceeded.