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Surgical hydrocephalus shunt sleeve for placement in a vertebra

  • US 3,298,372 A
  • Filed: 12/17/1963
  • Issued: 01/17/1967
  • Est. Priority Date: 12/17/1963
  • Status: Expired due to Term
First Claim
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1. APPARATUS FOR TREATING HYDROCEPHALUS COMPRISING A THIN-WALLED, CYLINDRICAL SHELL OPEN AT BOTH ENDS FOR INSERTING INTO THE MARROW OF A VERTEBRA, SAID SHELL HAVING RELATIVELY LARGE INSIDE AND OUTSIDE SURFACE AREAS OF COMPARABLE EXTENT SO AS TO DEFINE A RELATIVELY LARGE CHAMBER;

  • A FLANGE AT ONE END OF SAID SHELL;

    MEANS ON THE EXTERIOR SURFACE OF SAID SHELL FOR FRICTIONALLY ENGAGING SAID VERTEBRA WHEN SAID SHELL IS INSERTED THEREINTO, AND A PLURALITY OF APERTURES IN SAID SHELL, SAID APERTURES EXTENDING ALONG A MAJOR PORTION OF THE LENGTH OF SAID SHELL, AND AROUND A MAJOR PORTION OF THE CIRCUMFERENCE OF SAID SHELL, SO THAT FLUID ACCUMULATING IN SAID CHAMBER CAN BE RAPIDLY RELEASED OUT THROUGH THE OTHER END OF SAID SHELL AND SAID APERTURES INTO SEVERAL RELATIVELY LARGE AREAS OF MARROW DISPERSED THROUGHOUT THE VERTEBRA.

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