Read the manufacturer’s instructions before use
Wash the pump, cylinder, and any attachments before and after use
Trim pubic hair if needed to help create a better seal
Apply a water-based lubricant to the base of the cylinder and the skin around the penis
Place the penis into the cylinder while flaccid or partially erect
Press the cylinder firmly against the body to create a seal
Pump slowly to create gentle suction
Stop if you feel pain, numbness, or significant discomfort
Keep sessions short and follow the device’s recommended time limits
Release the vacuum gradually using the quick-release valve
Remove the cylinder carefully after pressure is released
Use only as often as directed by the manufacturer or a clinician
Do not use on broken skin, sores, or if you have a bleeding disorder unless approved by a doctor
Do not use excessive suction
Seek medical advice if you have persistent pain, bruising, swelling, or erection problems