PocketStrainer is a compact, collapsible medical funnel for convenient kidney stone monitoring. Featuring a bonded medical-grade stainless steel mesh screen and made from soft, biocompatible silicone, it offers a comfortable and effective way to collect and strain urine samples. This reusable device folds down for discreet storage, making it ideal for travel or clinical use. Whether used at home or by healthcare professionals, PocketStrainer simplifies the process of catching and retrieving stones for lab analysis. It's dishwasher-safe, durable, and thoughtfully engineered for comfort, portability, and ease of use—an essential tool for anyone managing kidney stones. PocketStrainer is designed and engineered for portability, comfort, and convenience. Patent pending.