Little Ones® Pediatric Ostomy System With all the challenges that go with raising a child, finding the right ostomy product needn't be one of them. That's because ConvaTec has a line of products designed just for kids. The line features products for children who have had colostomy, ileostomy, or urostomy surgery. As with our adult line, ConvaTec Little Ones® Ostomy products offer a full range of products to meet a child's need or parent's preference. Each has been scaled down in size to comfortably fit a child's unique body contour. Little Ones® products are designed with an active child in mind.