Modular, portable dialysis system

• US 10,035,103 B2
• Filed: 10/30/2009
• Issued: 07/31/2018
• Est. Priority Date: 10/30/2008
• Status: Active Grant

• Current Assignee: Fresenius Medical Care Holdings Incorporated (Fresenius Medical Care AG)
• Original Assignee: Fresenius Medical Care Holdings Incorporated (Fresenius Medical Care AG)
• Inventors: Fulkerson, Barry Neil, Hering, Martin, Smith, Mark F., Zwierstra, Jan B.
• Primary Examiner(s): Keyworth, Peter
• Application Number:
  US12/610,032
• Publication Number:
  US 20100140149A1
• Time in Patent Office: 3,196 Days
• Field of Search: 210645, 210646, 604 29
• CPC Class Codes: A61M 1/14 Dialysis systems; Artificial kidneys; Blood oxygenators semi-permeable membranes characterised by the material, manufacturing processes therefor B01D71/00 ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
• CPC Class Codes: A61M 2205/121 interface between cassette and base
• CPC Class Codes: A61M 2205/3569 sublocal, e.g. between console and disposable
• CPC Class Codes: A61M 2209/084 Supporting bases, stands for equipment
• CPC Class Codes: B01D 2313/20 Specific housing
• CPC Class Codes: B01D 2313/205 characterised by the shape
• CPC Class Codes: B01D 2313/208 Resilient or flexible housing walls, e.g. bags or foils
• CPC Class Codes: B01D 61/28 Apparatus therefor
• CPC Class Codes: G16H 20/40 relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
• CPC Class Codes: G16H 40/63 for local operation

Abstract

The present invention is directed toward a dialysis unit that is modular and portable, with improved functionality. In one embodiment, the dialysis system comprises a top unit that is detachably affixed to a base that comprises a reservoir for fluid storage. Among numerous other features, the portable, modular dialysis system of the present invention has improved power door locking, zoned leak detection, fluid handling, and mechanical design features that enable improved modularity.

Claims

1. A modular dialysis system comprising:

a controller unit having a first external housing with a front side, a back side, a left side, a right side, a top side and a bottom side, wherein said front side comprises a door configured to provide access to an internal volume within said controller unit and wherein said bottom side comprises a first latch member and a first data transceiver;

a reservoir unit having a second external housing with a front side, a back side, a left side, a right side, a top side and a bottom side, wherein said front side comprises a door configured to provide access to an internal volume within said reservoir unit, wherein said top side comprises a second latch member adapted to mate to said first latch member and a second data transceiver, and wherein when said first external housing is securely and removably attached to said second external housing using said first latch member and said second latch member, the first data transceiver is automatically placed in data communication with said second data transceiver, wherein the internal volume within said controller unit houses a manifold and a guard encircling the manifold, wherein the door configured to provide access to the internal volume within said controller unit has an internal surface and wherein said internal surface comprises a plurality of pump shoes, a latch, and casing with sides that protrude into said internal volume when said door is closed.

2. The modular dialysis system of claim 1 wherein, when the door is closed, said latch mechanically engages said hook.

3. The modular dialysis system of claim 2 further comprising a controller configured to actuate a motor to apply a motive force to said door and wherein said application of motive force causes said door to be closed with a force in a range of 90 to 110 lbs.

4. The modular dialysis system of claim 3 further comprising a mechanical release button having a first state and a second state, wherein, in said first state, the button is capable of mechanically engaging a hook connected to said door and wherein, in said second state, the button is not capable of mechanically engaging said hook.

5. A modular dialysis system comprising:

a controller unit having a first external housing with a front side, a back side, a left side, a right side, a top side and a bottom side, wherein said front side comprises a door configured to provide access to an internal volume within said controller unit and wherein said bottom side comprises a first latch member and a first data transceiver;

a reservoir unit having a second external housing with a front side, a back side, a left side, a right side, a top side and a bottom side, wherein said front side comprises a door configured to provide access to an internal volume within said reservoir unit, wherein said top side has an angled surface with a plurality of channels in fluid communication with at least one leak detector and wherein said top side comprises a second latch member adapted to mate to said first latch member and a second data transceiver; and

wherein said bottom side of the first external housing is adapted to securely and removably attach to said top side of the second external housing and when said first external housing is securely and removably attached to said second external housing using said first latch member and said second latch member, the first data transceiver is automatically placed in data communication with said second data transceiver.

6. The modular dialysis system of claim 5 wherein the bottom side of the first external housing comprises an electrical contact pad and wherein the top side of the second external housing comprises a plurality of electrical pins.

7. The modular dialysis system of claim 6 wherein the controller unit is automatically placed in electrical communication with said reservoir unit when the contact pad is aligned and placed in electrical communication with the plurality of push-pins.

8. The modular dialysis system of claim 5 wherein the first data receiver comprises at least one LED transmitter and at least one LED receiver and wherein the second data receiver comprises at least one LED transmitter and at least one LED receiver.

9. The modular dialysis system of claim 5 wherein the internal volume within said controller unit houses a hook and wherein the door configured to provide access to the internal volume within said controller unit has an internal surface that comprises a latch.

10. The modular dialysis system of claim 9 further comprising a controller configured to actuate a motor to apply a motive force to said hook in response to a user input and wherein said application of motive force causes said door to be closed with a force in a range of 90 to 110 lbs.

11. The modular dialysis system of claim 10 further comprising a mechanical release button having a first state and a second state, wherein, in said first state, the button is capable of mechanically engaging said hook and wherein, in said second state, the button is not capable of mechanically engaging said hook.