Systems and methods for delivering fluid to a wound therapy dressing

摘要

Provided are systems and methods for delivery of fluid to a wound therapy dressing. In exemplary embodiments, a pressure source provides negative pressure to a wound dressing and positive pressure to an actuator that expels fluid from a fluid reservoir.

主权项

1. A system for delivering fluid to a wound therapy dressing, the system comprising:
an actuator configured to engage a fluid reservoir, the actuator adapted to expel fluid from the fluid reservoir, wherein the fluid reservoir is adapted to be in fluid communication with the wound therapy dressing; a pressure source configured to provide positive pressure to the actuator and negative pressure to the wound therapy dressing; a fluid control device in fluid communication between the fluid reservoir and the wound therapy dressing; a pressure sensor configured to detect a pressure exerted on the actuator; a control system configured to control fluid flow based on the pressure exerted on the actuator, wherein the control system is configured to regulate the positive pressure being delivered to the actuator and to communicate with the fluid control device to regulate fluid leaving the fluid reservoir in response to the pressure detected by the pressure sensor; and a valve in fluid communication between the actuator and the pressure source, wherein the positive pressure is provided to the actuator through the valve, wherein the valve is configured to vent excess pressure from the pressure source to atmosphere and wherein the valve the valve is in communication with the control system and further configured to regulate the positive pressure delivered to the actuator in response to a signal from the control system.