Retention catheter

• US 3,108,595 A
• Filed: 08/08/1960
• Issued: 10/29/1963
• Est. Priority Date: 08/08/1960
• Status: Expired due to Term

• Current Assignee: Alfred P. Overment
• Original Assignee: Alfred P. Overment
• Inventors: Overment, Alfred P.
• Application Number:
  US04/048,186
• Time in Patent Office: 1,177 Days
• US Class Current: 604/105
• CPC Class Codes: A61M 25/04 in the body, e.g. expansible A61M25/10, A61M16/0488 take precedence

Claims

6. A CATHETER COMPRISING AN ELONGATE OUTER TUBE OF FLEXIBLE MATERIAL HAVING A CLOSED END AND INCLUDING A PLURALITY OF ANGULARLY SPACED SIDE WALL SLOTS DEFINING AXIALLY EXTENDING WING PORTIONS, SAID WING PORTIONS BEING LOCATED ADJACENT THE CLOSED END OF SID OUTER TUBE AND ADAPTED TO ARCH RADIALLY OUTWARD FROM THE WALL OF SAID OUTER TUBE UPON ENDWISE CONTRACTION OF SAID OUTER TUBE, A FLEXIBLE TUBULAR INNER MEMBER DISPOSED WITHIN THE OUTER TUBE AND SECURED TO SAID OUTER TUBE AT THE CLOSED END THEREOF AND MOVABLE LONGITUDINALLY RELATIVE TO SAID OUTER TUBE FOR CONTRACTING AND EXTENDING THE OUTER TUBE IN THE LENGTHWISE DIRECTION TO ARCH AND RETRACT SAID WING PORTIONS RESPECTIVELY, SAID WING PORTIONS WHEN ARCHED DEFINING PASSAGEWAYS BETWEEN THEM LEADING TO THE INTERIOR OF SAID OUTER TUBE, SAID INNER MEMBER HAVING A PLURALITY OF SIDE WALL OPENINGS DISPOSED OPPOSITE SAID WING PORTION OF THE OUTER TUBE.