Patient connector for peritoneal dialysis

• US 6,482,189 B2
• Filed: 03/26/1999
• Issued: 11/19/2002
• Est. Priority Date: 03/30/1998
• Status: Expired due to Term

• Current Assignee: Fresenius Medical Care Deutschland GmbH (Fresenius Medical Care AG)
• Original Assignee: Fresenius Medical Care Deutschland GmbH (Fresenius Medical Care AG)
• Inventors: Schulz, Wolfgang, Döpper, Joachim
• Primary Examiner(s): Nguyen, Anhtuan T.
• Assistant Examiner(s): Lam, Ann Y
• Application Number:
  US09/280,027
• Publication Number:
  US 20010041873A1
• Time in Patent Office: 1,334 Days
• Field of Search: 604/533, 604/523, 604/539, 604/284, 604/246, 604/256, 604/29, 604/30, 604/31, 604/33, 604/34, 604/236, 604/213, 604/318, 604/319, 604/324, 604/325, 604/167.01, 604/167.02, 604/167.03, 604/167.04, 604/167.05, 604/249, 604/247, 604/237, 604/238
• US Class Current: 604/284
• CPC Class Codes: A61M 1/285 Catheters therefor
• CPC Class Codes: A61M 39/22 Valves or arrangement of valves A61M39/02, A61M39/0247, A61M39/16 take precedence; regulating valves in infusion systems A61M5/16881; in devices worn by the patient for the reception of urine, faeces, catamenial or other discharge, or in colostomy devices A61F5/4405
• CPC Class Codes: A61M 5/50 having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile retractable needles or needle protectors with means for preventing re-use A61M5/321

Abstract

A connector for use in peritoneal dialysis, includes a base body having a first tube for attachment of a container for dialysis solution, and a second tube for attachment of a peritoneal catheter. Positioned in a passageway between the first tube and the second tube is a closure piece which so interacts with an actuator that an operation of the actuator causes the closure piece to move in a linear direction from a first position into a second position in which the fluid flow between the first tube and the second tube is closed while the first tube is sealed off.

Claims

1. A connector for use in peritoneal dialysis, said connector comprising:

a base body having a first tube configured for attachment of a container for dialysis solution, and a second tube configured for attachment of a peritoneal catheter;

a closure piece accommodated in the base body and so disposed in a first position between the first tube and the second tube as to allow a fluid flow between the first tube and the second tube;

an actuator positioned coaxial with the second tube and slidingly received in the base body, wherein the first tube terminates in a port positioned laterally in the base body between the actuator and the closure piece; and

a sealing element positioned between the actuator and the closure piece and disconnected from the closure piece, wherein the actuator is configured to interact with the closure piece such that an operation of the actuator irreversibly moves the closure piece via the sealing element in a linear direction from the first position into a second position in which the closure piece rests against a shoulder of the base body to cut the fluid flow between the first tube and the second tube while the sealing element seals off the first tube.

2. The connector of claim 1 wherein the base body extends essentially linear.

3. The connector of claim 1 wherein the sealing element is shiftable in linear movement in front of the port of the first tube upon actuation of the actuator, when the closure piece occupies the second position.

4. The connector of claim 1 wherein the actuator is connected to the sealing element.

5. The connector of claim 1 wherein the actuator and the sealing element are separate components.

6. The connector of claim 1, and further comprising a cage for retaining the closure piece in the first position.

7. The connector of claim 1 wherein the sealing element is substantially of cylindrical configuration and has opposite ends, said sealing element having two sealing lips, one sealing lip positioned on one of the ends of the sealing element and another sealing lip positioned on the other one of the end of the sealing element.

8. The connector of claim 1 wherein the sealing element has a length which is greater than a diameter of the port of the first tube.