The Jones Adenoid Curette 4mm with a cutting edge, designed for infants, is a specialized surgical instrument used for the removal of adenoid tissue during an adenoidectomy. The "4mm cutting edge" refers to the size of the loop at the tip of the curette, which is used to scrape or cut the adenoid tissue. The cutting edge allows for more precise and efficient removal of tissue, making it ideal for delicate procedures in infants.