Patent attributes
A medical system includes a medical instrument including an irrigation and aspiration channel to carry irrigation fluid to, and remove aspirated matter from, a distal end of the medical instrument, a reservoir to store the irrigation fluid, a receptacle to collect the aspirated matter, and a vane pump including a pump housing having an inner surface around a pumping chamber, the pump housing including irrigation inlet and outlet ports coupled to the pumping chamber and respectively connected to the reservoir and the irrigation channel, and aspiration inlet and outlet ports coupled to the pumping chamber and respectively connected to the aspiration channel and the receptacle, and wherein the vane pump is configured to simultaneously pump via the pumping chamber, at substantially the same flow rate, the irrigation fluid from the reservoir to the distal end and the aspirated matter from the distal end to the receptacle.
