Gastric balloon can be inflated before eating, and contracted after meals

Inflatable balloon

Inserted with an endoscope and connected

through a cut in the wall of the abdomen

Balloon inflated and deflated by a small pump connected to a wearable controller pack

Standard static balloon

Inserted with an endoscope

Constant pressure creates feeling of fullness but becomes less effective over time

Inflatable balloon

Inserted with an endoscope

and connected through a cut

in the wall of the abdomen

Balloon inflated and deflated by a small pump connected to a wearable controller pack

Standard static balloon

Inserted with an endoscope

Constant pressure creates feeling of fullness but becomes less effective over time

Inflatable balloon

Inserted with an endoscope and connected

through a cut in the wall of the abdomen

Standard static balloon

Inserted with an endoscope

Balloon inflated and deflated by a small pump connected to a wearable controller pack

Constant pressure creates feeling of fullness but becomes less effective over time

Guardian graphic. Source: Jia et al, OSIRIS: Oscillating satiety induction and regulation intragastric system, Device (2024)