Portable Dialysis Machine

Patent metadata

Field	Value
Publication number	US-2017232177-A1
Application number	US-201615341953-A
Country	US
Kind code	A1
Filing date	Nov 2, 2016
Priority date	Sep 13, 2007
Publication date	Aug 17, 2017
Grant date	—

Abstract

The specification discloses a portable dialysis machine having a detachable controller unit and base unit. The controller unit includes a door having an interior face, a housing with a panel, where the housing and panel define a recessed region configured to receive the interior face of the door, and a manifold receiver fixedly attached to the panel. The base unit has a planar surface for receiving a container of fluid, a scale integrated with the planar surface, a heater in thermal communication with the planar surface, and a sodium sensor in electromagnetic communication with the planar surface. Embodiments of the disclosed portable dialysis system have improved structural and functional features, including improved modularity, ease of use, and safety features.

First claim

We claim:

1 . A dialysis machine comprising:
a. a controller unit wherein said controller unit comprises:
i. a door having an interior face;
ii. a housing with a panel wherein said housing and panel define a recessed region configured to receive said interior face of said door; and
iii. a manifold receiver fixedly attached to said panel;
b. a base unit wherein said base unit comprises:
i. a planar surface for receiving a container of fluid;
ii. a scale integrated with said planar surface;
iii. a heater in thermal communication with said planar surface; and,
iv. a sodium sensor in electromagnetic communication with said planar surface.

2 . The dialysis machine of claim 2 , wherein said manifold receiver comprises at least one of contoured guides, pins, or latches.

3 . The dialysis machine of claim 1 , wherein said panel is configured to provide access to a plurality of pumps.

4 . The dialysis machine of claim 1 , wherein said panel is configured to provide access to four peristaltic pumps in substantially parallel alignment.

5 . The dialysis machine of claim 4 , wherein said interior face comprises four pump shoes.

6 . The dialysis machine of claim 5 , wherein, when said door is received into said recessed region, each of said four pump shoes aligns with one of said four peristaltic pumps.

7 . The dialysis machine of claim 4 , wherein at least one of said pump shoes is movably attached to said door by a member and spring.

8 . The dialysis machine of claim 7 , wherein said member is a bolt.

9 . The dialysis machine of claim 7 , wherein said controller unit further comprises a sensor for measuring movement of said member.

10 . The dialysis machine of claim 9 , wherein said controller unit further comprises a controller for receiving a measure of the movement of said member from the sensor and determining a fluid pressure based on said measure.

11 . The dialysis machine of claim 1 , wherein said machine is configured to perform a dialysis treatment using approximately six liters of water, wherein said water is from a non-sterile source.

12 . The dialysis machine of claim 1 , wherein said manifold receiver is configured to receive a molded plastic substrate that defines a first flow path which is fluidically isolated from a second flow path.

13 . The dialysis machine of claim 12 , wherein each of said first and second flow paths has a hydraulic diameter in a range of 1.5 mm to 7.22 mm.

14 . The dialysis machine of claim 12 , wherein said molded plastic substrate is bonded to a plurality of tubing and wherein said plurality of tubing is bonded to a dialyzer.

15 . The dialysis machine of claim 14 , wherein said controller unit further comprises a member connected to an exterior of said housing, wherein said member is configured to physically receive said dialyzer.

16 . The dialysis machine of claim 14 , wherein said base unit further comprises a member connected to an exterior of said base unit, wherein said member is configured to physically receive said dialyzer.

17 . The dialysis machine of claim 14 , wherein the plurality of tubing is adapted to be removably attached to a sorbent cartridge.

18 . The dialysis machine of claim 17 , wherein said base unit further comprises a member connected to an exterior surface of the base unit, wherein said member is configured to physically receive the sorbent cartridge.

19 . The dialysis machine of claim 1 , wherein the controller unit comprises a bottom surface, wherein said bottom surface comprises a first physical interface and a first data interface.

20 . The dialysis machine of claim 19 , wherein the base unit has a top surface and wherein said top surface comprises a second physical interface configured to complement said first physical interface and a second data interface capable of interfacing with said first data interface.

Assignees

• Fresenius Medical Care Holdings Inc

Inventors

• Fulkerson Barry Neil
• Braig James Roswell
• Mishelevich David J
• Clemens Charles
• Foster Clark Berg
• Hering Martin
• Zwierstra Jan Brian
• Joseph Russell Thomas
• Gura Victor
• Robinson Thomas
• Trcka Milan
• Ghidoli Daniele
• Isackson Frank
• Smith Mark Forrest

Classifications

• A61M2205/14

  Detection of the presence or absence of a tube, a connector or a container in an apparatus · CPC title

• A61M2205/15

  Detection of leaks · CPC title

• A61M2205/3393

  by weighing the reservoir · CPC title

• B01D2313/10

  Specific supply elements · CPC title

• A61M2205/502

  User interfaces, e.g. screens or keyboards · CPC title