Apparatus for the induced infusion of liquid from a flexible liquid container

• US 3,153,414 A
• Filed: 02/02/1962
• Issued: 10/20/1964
• Est. Priority Date: 02/02/1962
• Status: Expired due to Term

• Current Assignee: Glenn L. Beall, James E. Alder
• Original Assignee: Glenn L. Beall, James E. Alder
• Inventors: Beall, Glenn L., Alder, James E.
• Application Number:
  US04/170,678
• Time in Patent Office: 991 Days
• US Class Current: 222/95
• CPC Class Codes: A61M 5/1483 using flexible bags externally pressurised by fluid pressure
• CPC Class Codes: A61M 5/155 pressurised by gas introduced into the reservoir
• CPC Class Codes: Y10S 128/12 Pressure infusion

Claims

1. IN AN APPARATUS FOR THE INDUCED INFUSION OF A LIQUID FROM A FLEXIBLE LIQUID CONTAINER:

A TUBULAR-SHAPED MEMBER HAVING OPEN ENDS AND COMPRISING A FLEXIBLE INNER WALL AND A FLEXIBLE ADJACENT OUTER WALL SEALINGLY UNITED AT THE ENDS THEREOF AND HAVING OVERLAPPING OPPOSITE MARGINAL SIDES, SAID OPEN-ENDED PORTION OF SAID TUBULAR MEMBER BEING ADAPTED TO RECEIVE A COMPLETELY FLEXIBLE LIQUID CONTAINER WHICH IS ENCIRCLED BY SAID INNER WALL, A FLEXIBLE SLEEVE HAVING A FIRST SLEEVE PORTION JOINED TO THE ENDS OF SAID OUTER WALL OF SAID TUBULAR MEMBER AND A SECOND OPEN SLEEVE PORTION ENCIRCLING SAID FIRST SLEEVE PORTION AND OVERLAPPING ON AT LEAST ONE OF ITS MARGINAL SIDES SAID MARGINAL SIDES OF SAID INNER AND OUTER WALLS, A SEAL EXTENDING FROM THE OPPOSITE MARGINAL SIDES OF SAID INNER AND OUTER WALLS TO SAID ONE MARGINAL SIDE OF SAID SLEEVE PORTION, ALIGNED APERTURES IN SAID FIRST AND SECOND SLEEVE PORTIONS AND A FITMENT IN FLUID COMMUNICATION WITH THE SPACE DEFINED BY SAID INNER AND OUTER WALLS SEALABLY UNITED TO SAID OUTER WALL AND EXTENDING THROUGH SAID ALIGNED APERTURES, ONE OF THE JUNCTURES OF THE ENDS OF SAID INNER AND OUTER WALLS COMPRISING A RUPTURABLE SEAL PORTION ADAPTED TO FAIL UPON THE ATTAINMENT OF A PREDETERMINED PRESSURE IN THE SPACE DEFINE BY SAID INNER AND OUTER WALLS.