Dialysis system having supply container autoconnection

• US 7,736,328 B2
• Filed: 07/05/2007
• Issued: 06/15/2010
• Est. Priority Date: 07/05/2007
• Status: Active Grant

• Current Assignee: Baxter Healthcare SA (Baxter International Inc.), Baxter International Inc.
• Original Assignee: Baxter Healthcare SA (Baxter International Inc.), Baxter International Inc.
• Inventors: Childers, Robert W., Hopping, Peter A., Holmquist, Kurt
• Primary Examiner(s): Sirmons; Kevin C
• Assistant Examiner(s): WILSON, LARRY ROSS
• Application Number:
  US11/773,750
• Publication Number:
  US 20090012455A1
• Time in Patent Office: 1,076 Days
• Field of Search: 604/29, 604533-536, 604/538, 604/905, 138/89, 138/96.R
• US Class Current: 604/29
• CPC Class Codes: A61M 1/1522 the interface being evacuated interfaces to enhance contact
• CPC Class Codes: A61M 1/1524 the interface providing means for actuating on functional elements of the cassette, e.g. plungers
• CPC Class Codes: A61M 1/153 the cassette being adapted for heating or cooling the treating fluid, e.g. the dialysate or the treating gas
• CPC Class Codes: A61M 1/155 with treatment-fluid pumping means or components thereof
• CPC Class Codes: A61M 1/1561 at least one cassette surface or portion thereof being flexible, e.g. the cassette having a rigid base portion with preformed channels and being covered with a foil
• CPC Class Codes: A61M 1/1565 Details of valves
• CPC Class Codes: A61M 1/159 specially adapted for peritoneal dialysis
• CPC Class Codes: A61M 1/1656 Apparatus for preparing dialysates
• CPC Class Codes: A61M 1/166 Heating for sterilisation A61M1/1686
• CPC Class Codes: A61M 1/1668 Details of containers
• CPC Class Codes: A61M 1/167 Flexible packaging for solid concentrates
• CPC Class Codes: A61M 1/28 Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
• CPC Class Codes: A61M 1/282 Operational modes
• CPC Class Codes: A61M 1/284 Continuous flow peritoneal dialysis [CFPD]
• CPC Class Codes: A61M 1/287 Dialysates therefor
• CPC Class Codes: A61M 1/288 Priming priming in extracorporeal blood circuits A61M1/3643
• CPC Class Codes: A61M 2205/122 using evacuated interfaces to enhance contact
• CPC Class Codes: A61M 2205/128 with incorporated valves
• CPC Class Codes: A61M 2205/505 Touch-screens; Virtual keyboard or keypads; Virtual buttons; Soft keys; Mouse touches
• CPC Class Codes: A61M 2205/70 with testing or calibration facilities
• CPC Class Codes: A61M 2209/084 : Supporting bases, stands for equipment
• CPC Class Codes: Y10S 604/905 : Aseptic connectors or couplings, e.g. frangible, piercable
• CPC Class Codes: Y10T 29/49826 : Assembling or joining

Abstract

A dialysis system includes a dialysis instrument including at least one pump actuator; a disposable cassette operable with the at least one pump actuator, a plurality of supply lines connected to the disposable cassette, each supply line including a supply line connector and a supply line tip protector; a plurality of dialysis fluid containers, the dialysis fluid containers each including a solution line having a solution line connector and a solution line tip protector; and an auto-connection mechanism including a solution line connector holder, a supply line connector holder, one of the holders fixed, the other of the holders moveable, and a moveable tip protector remover.

Claims

1. A dialysis system comprising:

a dialysis instrument including at least one pump actuator;

a disposable cassette operable with the at least one pump actuator, a plurality of supply lines connected to the disposable cassette, each supply line including a supply line connector and a supply line tip protector;

a plurality of dialysis fluid containers, the dialysis fluid containers each including a solution line having a solution line connector and a solution line tip protector; and

an auto-connection mechanism including a solution line connector holder, a supply line connector holder, one of the holders fixed, the other of the holders moveable, and a separate moveable tip protector remover configured and arranged to translate between the solution line connector holder and the supply line connector holder to remove each of the solution line tip protectors and each of the supply line tip protectors.

2. The dialysis system of claim 1, wherein the tip protector remover is configured to hold one of the solution line and supply line tip protectors, the other of the tip protectors configured to be held for removal by the tip protectors that are held by the tip protector remover.

3. The dialysis system of claim 2, the tip protector remover configured to grasp and hold the solution line tip protectors, the solution line tip protectors configured to grasp and hold the supply line tip protectors.

4. The dialysis system of claim 1, wherein the tip protector remover is translatable away from a path between the solution line connector holder and the supply line connector holder, allowing the connector holders to be mated.

5. The dialysis system of claim 1, wherein the solution line connector holder is fixed, and the supply line connector holder is translatable relative to the solution line connector holder.

6. The dialysis system of claim 1, which includes a door that closes prior to removal of tip protectors from the solution line connectors or supply line connectors, and a source of ultra-pure air positioned to saturate exposed connectors from behind the door.

7. The dialysis system of claim 1, which includes pinch clamps positioned to close at least one of the solution lines and the supply lines.

8. The dialysis system of claim 1, wherein at least one of the solution line connectors and the supply line connectors are held in an organizer, the organizer enabling the connectors to be loaded into the solution line connector holder or the supply line connector holder at once.

9. The dialysis system of claim 1, wherein the auto-connection mechanism is located on a front side of the dialysis instrument along with instrument controls.

10. The dialysis system of claim 1, which includes a camera positioned to read information placed on at least one of the solution line connectors when the solution line connectors are loaded into the solution line connector holder.

11. The dialysis system of claim 10, wherein the information is indicative of at least one of:

a type and a volume of a solution in one of the dialysis fluid containers.

12. A dialysis system comprising:

a dialysis instrument including at least one pump actuator;

a first set of lines and a first line set holder positioned on the dialysis instrument, each line of the first set of lines including a connector and a tip protector;

a second set of lines and a second line set holder positioned on the dialysis instrument, each line of the second set of lines including a connector and a tip protector;

a separate tip protector remover positioned on the dialysis instrument; and

at least one processor configured to cause

(i) the tip protector remover to translate between the first line set holder and the second line set holder to remove each of the tip protectors from both the first and second sets of lines,

(ii) the tip protector remover to move away from a path between the first and second line set holders, and

(iii) at least one of the first and second line set holders to move along the path to connect the first and second sets of lines.

13. The dialysis system of claim 12, the at least one processor operable with a plurality of stepper motors to remove the tip protector remover and at least one of the line set holders.

14. The dialysis system of claim 12, wherein the first and second line set holders are configured to hold the connectors at ends of the first and second sets of lines.

15. The dialysis system of claim 12, the processor further configured to cause the tip protector remover to extend away from the instrument to facilitate manual removal of the tip protectors from the tip protector remover.

16. The dialysis system of claim 12, the processor further configured to cause the tip protector remover to reconnect the tip protectors onto the sets of lines before the sets of lines are removed from the first and second line set holders.

17. A dialysis system comprising:

a disposable cassette;

a plurality of supply lines connected to the disposable cassette;

a supply connector located at an end of each supply line, each supply connector including a tip protector;

a plurality of dialysis fluid containers;

a solution line connected to each dialysis fluid container;

a solution connector located at an end of each solution line, each solution connector including a tip protector;

a supply connector holder;

a solution connector holder;

a separate tip protector remover; and

a plurality of motors;

wherein the holders, tip protector remover and motors are configured and arranged to move (i) the tip protector remover towards each of the holders to remove each of the supply line tip protectors and each of the solution line tip protectors; and

(ii) at least one the holders toward and away from each other.

18. The dialysis system of claim 17, further including a dialysis instrument having at least one pump actuator, the holders and tip protector remover connected to the dialysis instrument.