The pair were neck and neck over the last and fought it out right to the winning post, with the judge needing several minutes to separate them in a photo finish.
The new gown can be adapted for many forms of surgery and post-operative care needs, including heart surgery, the insertion of a neck line or hernia repair, or accessing a plaster cast on a broken arm, the hospital said.
But pathologist Dr Ashley Fegan-Earl told the jury a post-mortem examination found the child did not have any signs of injury including a broken or injured neck.