Hemostatic powder delivery devices and methods of use

A device for delivering an agent, comprising:

• a valve assembly including an upper body, a lower body removably coupled to the upper body to define an enclosure, and a tube disposed inside the enclosure and extending between the upper body and the lower body;
• wherein the tube includes a first end mounted to the upper body and a second end opposite to the first end that is suspended inside the lower body to form a gap;
• wherein the upper body is configured to guide a pressurized fluid received in the valve assembly towards the lower body in a cyclonic motion, and the lower body is configured to guide the pressurized fluid received from the upper body in the cyclonic motion towards the agent, thereby agitating the agent with the pressurized fluid;
• wherein the tube is configured to receive a mixture of the pressurized fluid and the agent at the second end via the gap for delivery from the lower body to the upper body for exiting the enclosure.