The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 31, 2019
Filed:
Oct. 28, 2016
Nxstage Medical, Inc., Lawrence, MA (US);
Orlando Soto, Salem, MA (US);
Joseph Rausa, Nashua, NH (US);
James M. Brugger, Newburyport, MA (US);
William J. Schnell, Libertyville, IL (US);
Goetz Friederichs, Boston, MA (US);
Jeffrey H. Burbank, Boxford, MA (US);
Joseph E. Turk, North Andover, MA (US);
Scott W. Newell, Ipswich, MA (US);
Amanda Wozniak, Somerville, MA (US);
NXSTAGE MEDICAL, INC., Lawrence, MA (US);
Abstract
Embodiments include a consumable medical device comprises a rigid cartridge to which a film is adhered to form a fluid channel and a damper chamber. A portion of the film forming the damper chamber has a wave-like shape adapted to roll onto a tip of a damper. The damper has a plunger to minimize peristaltic pressure in the channel. The cartridge may include conductivity measurement channels. Crosstalk may be minimized by using different frequencies or time division for reading the channels. A stable dialysate concentrate containing sodium lactate may be used or generated with the system. The concentrate may be formed to higher concentration than feasible with a single component concentrate by forming two containers of concentrate, each containing a fraction of a total quantity of sodium lactate required for a predefined number of dialysis.