This cleverly-designed NPseal Negative Pressure Wound Therapy patch is by industrial design and engineering consultancy Goddard. It’s a surgical dressing with a user-powered integrated pump; pinch it a few times and it establishes, and maintains, negative pressure. This draws fluid and potential infections out of the wound, allowing it to

Source: A Surgical Bandage with User-Powered Pump, by Industrial Design Consultancy Goddard – Core77