×

HYDROCEPHALUS SHUNT WITH TWO-WAY FLUSHING MEANS

  • US 3,595,240 A
  • Filed: 08/07/1968
  • Issued: 07/27/1971
  • Est. Priority Date: 08/07/1968
  • Status: Expired due to Term
First Claim
Patent Images

1. A drainage device for use as a ventriculo-atrial shunt comprising, means defining a first chamber having an outlet passageway and an inlet passageway, means defining a second chamber surrounding said first chamber, an inlet means defining a first opening for passing fluids to said first chamber, said inlet means defining a second opening to said second chamber, and valve means for permitting passage of fluids to said first chamber from said inlet means and preventing backflow of fluids to said inlet means without closing said second opening.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×