Peritoneal dialysis entry device

• US 3,241,554 A
• Filed: 08/14/1963
• Issued: 03/22/1966
• Est. Priority Date: 08/14/1963
• Status: Expired due to Term

• Current Assignee: George Coanda
• Original Assignee: George Coanda
• Inventors: GEORGE COANDA
• Application Number:
  US04/302,110
• Time in Patent Office: 951 Days
• US Class Current: 604/105
• CPC Class Codes: A61M 1/285 Catheters therefor
• CPC Class Codes: A61M 2025/0233 specifically adapted for attaching to a body wall by means which are on both sides of the wall, e.g. for attaching to an abdominal wall
• CPC Class Codes: A61M 2039/0273 for introducing catheters into the body
• CPC Class Codes: A61M 25/04 in the body, e.g. expansible A61M25/10, A61M16/0488 take precedence
• CPC Class Codes: A61M 39/0247 Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body peritoneal dialysis catheters A61M1/285; tracheostomy devices A61M16/0465; measuring pressure within the body A61B5/03; colostomy devices A61F5/445; gastrotomy feeding tubes A61J15/0015; means for fixing a feeding tube outside of the body A61J15/0053
• CPC Class Codes: Y10S 128/26 Cannula supporters

Claims

1. IN A PERITONEAL ENTRY DEVICE COMPRISING TWO TELESCOPED TUBES HAVING INNER AND OUTER ENDS FIXEDLY SECURED AT SAID END AND HAVING RELATIE AXIAL MOVEMENT, THE OUTER TUBE INCLUDING EXPANDABLE AND RETRACTIBLE RETAINING WINGS ADJACENT SAID INNER END OPERABLE BY RELATIVE MOVEMENT OF SAID INNER TUBE WITH RESPECT TO SAID OUTER TUBE, SAID INNER TUBE INCLUDING AN AXIAL THROUGH BORE, A CATHETER TUBE REMOVABLE DISPOSED IN SAID INNER TUBE AND INCLUDING AN ADMINISTRATING END PORTION PROJECTING BEYOND SAID INNER END OF SAID OUTER TUBE, CLAMPING-AND-LOCKING MEANS CIRCUMPOSED ABOUT THE OUTER ENDS