Self-inflating bag catheter

• US 3,190,291 A
• Filed: 10/08/1962
• Issued: 06/22/1965
• Est. Priority Date: 10/08/1962
• Status: Expired due to Term

• Current Assignee: Foley Frederic E B
• Original Assignee: Foley Frederic E B
• Inventors: FOLEY FREDERIC E B
• Application Number:
  US04/228,834
• Time in Patent Office: 988 Days
• US Class Current: 604/98.01
• CPC Class Codes: A61M 2210/1085 Bladder
• CPC Class Codes: A61M 25/1002 characterised by balloon shape A61M25/1006, A61M25/1009 take precedence
• CPC Class Codes: A61M 25/10184 Means for controlling or monitoring inflation or deflation
• CPC Class Codes: A61M 25/10185 Valves

Claims

1. A SELF-INFLATING BAG CATHETER COMPRISING AN ELONGATED FLEXIBLE RUBBERY SHAFT FOR DRAINING BODY FLUID THERETHROUGH, SAID SHAFT HAVING PROXIMAL AND DISTAN ENDS AND HAVING AN INFLATABLE SLEEVE MOUNTED THEREON ADJACENT SAID DISTAL END, THE PROXIMAL END PORTION OF SAID SHAFT HAVING A CHAMBER THEREIN, SAID SHAFT HAVING AN INFLATING PASSAGE THERETHROUGH INTERCOMMUNICATING SAID CHAMBER AND SAID INFLATABLE SLEEVE, READILY OPENABLE SEALING MEANS NORMALLY SEALING OFF COMMUNICATION BETWEEN SAID CHAMBER AND SAID INFLATING PASSAGE, AN EXPANSIBLE FLUID SUFFICIENTLY IMPERMEABLE TO THE WALL OF SAID CHAMBER FOR STORAGE THEREIN MAINTAINED WITHIN SAID CHAMBER IN A COMPRESSED STAGE FOR INFLATION WITHIN SAID SLEEVE UPON OPENING OF SAID SEALING MEANS, AND MEANS RIGIDIFYING THE SHAFT WALL FORMING SAID CHAMBER TO PREVENT DISTORTION THEREOF BY SAID INFLATING FLUID.