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Systems and methods for performing blood processing and/or fluid exchange procedures

a technology of fluid exchange and fluid processing circuit, which is applied in the direction of haemofiltration, suction devices, other medical devices, etc., can solve the problems of tedious and error-prone process of loading fluid circuit on the machine, and achieve the effect of fast, convenient and one-step process for loading fluid processing circui

Inactive Publication Date: 2006-04-20
NXSTAGE MEDICAL INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention provides systems and methods for processing blood and fluids in a way that makes it easy to load the processing circuit onto the machine. The systems also consolidate all the flow paths in a cartridge, which avoids potential contamination and ensures accurate and synchronized fluid balancing without the need for weight sensing.

Problems solved by technology

As a consequence, the process of loading a fluid circuit on the machine can be tedious and error-prone.

Method used

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  • Systems and methods for performing blood processing and/or fluid exchange procedures
  • Systems and methods for performing blood processing and/or fluid exchange procedures
  • Systems and methods for performing blood processing and/or fluid exchange procedures

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Embodiment Construction

[0002] The following description of field of the invention is intended to server only as an approximate indication of the area of technology to which the invention relates and not to circumscribe the scope of the invention.

FIELD OF THE INVENTION

[0003] This invention relates to systems and methods for processing blood or other fluids that are conveyed to and from an animal body, e.g., for dialysis, filtration, pheresis, or other diagnostic or therapeutic purposes. The systems may include roller guides on pumps, alignment using pump tubing fitments, air detector tube pushers for loading, blood leak detector, temperature sensing, and pressure sensing.

BACKGROUND OF THE INVENTION

[0004] There are many types of blood processing and fluid exchange procedures, each providing different therapeutic effects and demanding different processing criteria. Typically, such procedures entail the removal of blood or another fluid from an individual and the return of blood or another fluid to the in...

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PUM

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Abstract

A flow management system comprising a first panel having a fluid pathway and a second panel having a fluid pathway for passing a second fluid. The fluid pathway of the first panel passes a first fluid. The first panel includes a first compartment to receive a volume of the first fluid. The second panel includes a second compartment to receive a volume of the second fluid. The first and second panels are aligned so that the first compartment overlays the second compartment. The flow management system may be placed within a gap defined by a first surface and a second surface. The first and second compartments are disposed within the gap so that the second compartment bears against the second surface as the second fluid fills the second compartment and forces the first fluid out from the first compartment as the first compartment bears against the first surface.

Description

[0001] This is a divisional of pending U.S. application Ser. No. 10 / 041,949 filed Jan. 7, 2002 which is a continuation-in-part of co-pending U.S. application Ser. No. 09 / 451,238, filed Nov. 29, 1999, now abandoned; Ser. No. 09 / 513,773, filed Feb. 25, 2000, Ser. No. 09 / 513,911, filed Feb. 25, 2000, which issued as U.S. Pat. No. 6,579,253; Ser. No. 09 / 513,771, filed Feb. 25, 2000, which issued as U.S. Pat. No. 6,673,314; Ser. No. 09 / 513,446, filed Feb. 25, 2000, now abandoned; Ser. No. 09 / 513,902, filed Feb. 25, 2000, which issued as U.S. Pat. No. 6,554,789; Ser. No. 09 / 512,927, filed Feb. 25, 2000, which issued as U.S. Pat. No. 6,589,482; Ser. No. 09 / 512,929, filed Feb. 25, 2000, which issued as U.S. Pat. No. 6,638,477; Ser. No. 09 / 513,910, filed Feb. 25, 2000 which issued as U.S. Pat. No. 6,830,553; Ser. No. 09 / 513,564, filed Feb. 25, 2000, now abandoned; Ser. No. 09 / 513,915, filed Feb. 25, 2000, which issued as U.S. Pat. No. 6,595,943; and Ser. No. 09 / 894,236, filed Jun. 27, 2001, ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61M37/00A61M1/34A61M1/36A61M39/02
CPCA61M1/34A61M1/342A61M1/3441A61M1/3626A61M1/3639A61M1/367A61M39/0208A61M2205/126A61M2205/128A61M2205/35A61M2205/505A61M2205/60A61M2205/6018A61M2205/6072A61M1/288A61M1/3444A61M1/3448A61M1/3451A61M1/361A61M1/3612A61M1/3646A61M1/282A61M2205/15A61M2205/3331A61M2205/3334A61M2205/3368A61M2205/3375A61M1/1611A61M1/3403A61M1/341A61M1/362265A61M1/36222A61M1/3401A61M1/36226A61M1/36224A61M1/362262A61M1/36225
Inventor BURBANK, JEFFREY H.BRUGGER, JAMES M.TREU, DENNIS M.FINCH, C. DAVID JR.FULKERSON, BARRY N.WHITE, STEVEN A.
Owner NXSTAGE MEDICAL INC
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