Vacuum drainage collection bottle with vacuum indicator

A method of determining a vacuum within a drainage collection bottle, comprising:

• obtaining a drainage collection bottle comprising:
• a container;
• a cap including a body and a sealing member, the body comprising an inlet comprising a fluid channel, the sealing member comprising a plunger, wherein the cap is configured to selectively transition the drainage collection bottle from a closed state to an open state through a rotation of the sealing member vertically displacing the plunger upwards and away from the drainage collection bottle and the fluid channel;
• and
• a vacuum indicator comprising a deflectable member coupled to the cap;
• and observing the status of the vacuum indicator;
• wherein the vacuum indicator is in an activated state when the container comprises a vacuum;
• and
• wherein the vacuum indicator is in a non-activated state when the vacuum within the container is depleted.

A drainage collection system, comprising:

• a drainage collection bottle, comprising:
• a container configured to comprise a vacuum;
• a cap comprising a body and a sealing member, the body comprising an inlet comprising a fluid channel, the sealing member comprising a plunger, wherein the cap is coupled to the container and is configured to selectively transition the drainage collection bottle from a closed state to an open state through a rotation of the sealing member relative to the body of the cap, the further comprising an inlet configured to attach to a drainage tube;
• wherein the cap is configured to vertically displace the plunger upwards and away from the container and the fluid channel upon the rotation of the sealing member cap to selectively transition the drainage collection bottle from the closed state to the open state;
• and
• a vacuum indicator configured to indicate the vacuum within the container, wherein the vacuum indicator comprises a rigid material disposed on the cap proximal of the inlet.