A pressure packet was used to put pressure on a wound to stop the bleeding.
In 2268, Doctor Leonard McCoy applied a pressure packet to Spock's gunshot wound. (TOS: "A Private Little War")
A pressure packet was used to put pressure on a wound to stop the bleeding.
In 2268, Doctor Leonard McCoy applied a pressure packet to Spock's gunshot wound. (TOS: "A Private Little War")