The pulmonic valve is the second valve of the heart. Like the aortic valve, it is also referred to as a semilunar valve, because of its shape. It lies between the right ventricle and the pulmonary artery, which takes blood to the lungs.
Transdermal analgesic patch. A transdermal analgesic or pain relief patch is a medicated adhesive patch used to relieve minor to severe pain.
Sometimes, depending on the size of the abrasion, a patch is placed over the closed lid. A patch helps to decrease pain and helps large abrasions heal faster. An eye should not be patched continuously for more than 24 hours. The patch should be removed at least daily and the antibiotic drop or ointment put in the eye again.