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United States

US 12,702,813 B2

X-bar stopcock device for pulmonary artery catheterization

US 12,702,813 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-11. Applicant: REGENTS OF THE UNIVERSITY OF MICHIGAN. Its PDF downloads from this page without an account, up to 5 a day.

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Applicant
REGENTS OF THE UNIVERSITY OF MICHIGAN
Inventors
Mark Miller; Tracy Birchmeier; Bree Susalla; Yuru Chen; Rayna Berris; Cara Spencer; Caroline Schmiedeler
Publication date
2026-08-11
Filing date
2022-12-16
Document type
B2 Granted patent
Also written as
US 12,702,813 B2 · US12702813 · 12702813

Abstract

A unified X-bar stopcock, including a bidirectional stopcock having a first port, second port, third port, and fourth port; and a three-way stopcock having a fifth port, sixth port, and seventh port. The bidirectional stopcock is fluidly coupled to the three-way stopcock via the first port and the fifth port. A method of using the X-bar stopcock includes providing a Swan-Ganz catheter, an X-bar stopcock, a transducer, a monitor, and at least one bag of saline. The method includes connecting the X-bar stopcock to at least two lumens of the Swan-Ganz catheter.…

The opening of the abstract. The full text is in the PDF.

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