Drainage device

• US 3,111,125 A
• Filed: 11/06/1961
• Issued: 11/19/1963
• Est. Priority Date: 11/06/1961
• Status: Expired due to Term

• Current Assignee: Rudolf R. Schulte
• Original Assignee: Rudolf R. Schulte
• Inventors: Schulte, Rudolf R.
• Application Number:
  US04/150,272
• Time in Patent Office: 743 Days
• US Class Current: 604/9
• CPC Class Codes: A61M 27/006 Cerebrospinal drainage; Accessories therefor, e.g. valves
• CPC Class Codes: Y10T 137/7884 Side vent

Claims

1. A DIAPHRAGM PUMP FOR USE IN DRAINING FLUID FROM ONE PORTION OF A HUMAN BODY AND TRANSFERRING IT TO ANOTHER PORTION OF THE BODY COMPRISING A CAPSULAR ENCLOSURE, AT LEAST THE UPPER PORTION OF WHICH IS FLEXIBLE, AN OUTLET CONDUIT FORMED IN THE UPPER PORTION OF THE ENCLOSURE AND OPENING THEREINTO, AN INLET CONDUIT FORMED IN THE LOWER PORTION OF THE ENCLOSURE AND OPENING THEREINTO, A RAISED SHOULDER FORMED ON THE INNER SURFACE OF THE LOWER PORTION ABOUT THE INLET OPENING, A FLEXIBLE DIAPHRAGM DISPOSED WITHIN THE ENCLOSURE, AND MEANS HOLDING THE DIAPHRAGM WITHIN THE ENCLOSURE SO AS TO SEPARATE THE UPPER PORTION FROM THE LOWER PORTION THEREOF, SAID DIAPHRAGM HAVING AN APERTURE EXTENDING THERETHROUGH, SAID APERTURE BEING DISPOSED SO AS TO BE OUT OF ALIGNMENT WITH THE INLET OPENING.