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when you apply medicine on the affected area directly with hand you feel pain and become infected. also, so as to apply medicine repeatedly you must detach the plaster over and over again.To solve these problems. This plaster shaped as sandwich has another plaster attached to absorb the medicine.The bottom plaster of gauze was sandwiched between two tapes to absorb the medicine into a skin. And upper plaster has gauze on one side of plaster to cover the bottom plaster of gauze.
If you use sandwich band,you don't need to change other band-aid.just detach upper band and apply ointment again!
yonsei university (wonju)
wonju, South Korea
Changwon, South Korea