Patent ID: 11944774
Assignee: VOYAGER BIOMEDICAL, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 12:
13. A method of using a vascular access device, wherein the vascular access device comprises:
a top portion; and
a bottom portion,
wherein:
the top portion and the bottom portion are not monolithic with each other;
the top and bottom portions are configured to couple to one another around an entire 360° perimeter of a portion of a vessel when implanted to form a central chamber that houses the entire 360° perimeter of the portion of the vessel between a first surface of the top portion and a second surface of the bottom portion;
the top portion includes an opening that allows a needle to pass through;
the central chamber includes a central longitudinal axis and the opening includes a central vertical axis that is orthogonal to the central longitudinal axis; and

the second surface of the bottom portion is a hardened, non-compliant surface that extends through the central vertical axis when the top and bottom portion are coupled to one another;
the method comprising:
inserting, through the opening in the top portion, a first needle in the vessel;
inserting, through the opening in the top portion, a second needle in the vessel;
withdrawing blood, via the first needle, from within the vessel; and
returning the blood, via the second needle, to the vessel, wherein the second needle is placed upstream of the first needle in the vessel.