The Penrose drain is a length of soft rubber tubing that is applied by inserting one end of the tubing into the wound or surgical site; then tunneling the tubing ventrally toward a small skin incision where it exits the body. (todaysveterinarynurse.com)
During shunt placement, a tiny skin incision is made on the maternal abdomen. (mottchildren.org)
It may sound odd, but «super glue» aka cyanoacrylate adhesive can be and sometimes is used to close skin incisions or wounds in place of stitches. (skepticalob.com)