Patent ID: 11871934
Assignee: MICROVENTION, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 8:
9. A catheter for delivering embolic agents, comprising:
a catheter shaft;
a delivery lumen within the catheter shaft; the delivery lumen having a delivery opening at a distal end of the delivery lumen configured to eject fluid;
a reduced diameter region of the delivery lumen that has a uniform diameter along its length that is less than a diameter of a proximal region of the delivery lumen; and,
at least one sidewall aperture located through a sidewall of the catheter shaft and into the reduced diameter region of the delivery lumen;
wherein the reduced diameter region and the at least one sidewall aperture are configured to create suction of fluid from outside of the catheter shaft, through the at least one sidewall aperture, and into the reduced diameter region when fluid is injected into a proximal portion of the delivery lumen.