An ostomy appliance comprising a collection device for collecting body waste. At least a portion of the collection device is thermoformed from a sheet of plastics material, e.g., vacuum formed or pressure formed. The collection device may be configurable between a compact, stowed condition and an expanded deployed condition. The thermoformed portion is thermoformed in the deployed condition. The collection device has a depth:diamater ratio of at least 1:1. The ostomy appliance is a controlled evacuation appliance, or a collection pouch.
展开▼
