Apparatuses and methods for delivering powdered agents

An apparatus for delivering a powdered agent, comprising:

• a first passage in fluid communication with a pressurized gas;
• a second passage having an inlet opening and an outlet opening, the outlet opening is in fluid communication with a catheter of the apparatus, the second passage is configured to move between a closed position and an open position;
• and
• a container housing the powdered agent, wherein the second passage is configured to selectively couple the catheter to the container in response to transitioning between the closed position and the open position by relative rotation between the container and the second passage while the container is coupled to the apparatus;
• wherein, when in the closed position of the second passage and with the container coupled to the apparatus, each of the inlet opening and the outlet opening is not in fluid communication with the container such that the powdered agent is inhibited from moving through the second passage and to the catheter;
• and
• wherein, when in the open position of the second passage and with the container coupled to the apparatus, each of the inlet opening and the outlet opening is in fluid communication with the container such that the powdered agent is permitted to move through the second passage and to the catheter.

An apparatus for delivering a powdered agent, comprising:

• a first passage fluidly coupled to a fluid source;
• a second passage fluidly coupled to a catheter of the apparatus;
• and
• a container housing the powdered agent, the container is selectively fluidly coupled to the catheter via the second passage, in response to relative rotation between the container and the second passage as the container is coupled to the apparatus;
• wherein the second passage is configured to fluidly decouple the container from the catheter when the container is coupled to the apparatus and an opening of the second passage is closed, thereby inhibiting the catheter from receiving the powdered agent from the container and fluid from the fluid source;
• and
• wherein the second passage is configured to fluidly couple the container to the catheter when the container remains coupled to the apparatus and the opening of the second passage is open, upon relative rotation between the container and the second passage, thereby permitting the catheter to receive the powdered agent from the container and the fluid from the fluid source through the second passage.