| 摘要 |
This invention provides a drainage pouch for use in the medical field in caring for patients having colostomy conditions and the like, characterized by a pouch of plastic film such as polyethylene, a ring-shaped retainer positioned inside the pouch and united to the inner side thereof around its stoma opening, the internal edge of the retainer being covered by an annular portion of the film pressed into the pouch to provide a protective wall which prevents the retainer from cutting and injuring the stoma; together with a method of making the pouch which promotes low cost of manufacture and provides a pouch so economical in cost as to be entirely disposable after a single use.
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