×

Dural sealing needle and method of use

  • US 5,053,046 A
  • Filed: 09/06/1990
  • Issued: 10/01/1991
  • Est. Priority Date: 08/22/1988
  • Status: Expired due to Term
First Claim
Patent Images

1. A dural sealing apparatus for spinal puncture and sealing comprising,a first cannula for performing a spinal puncture,a second cannula and a stylet, said stylet being telescopically received within said second cannula said second cannula being telescopically insertable into said first cannula,means for sealing the dura positioned in the distal end of said second cannula includinga dry gelatin product component which softens and swells in the presence of spinal fluid for sealing the spinal puncture,elastic, initially folded, impact wings for packing the softened gelatin product into the spinal puncture, andan impact cone for seating in the spinal puncture behind the gelatin product and impact wings, andseal actuating means connected with said sealing means extending out of the proximal end of said second cannula, said stylet for pushing said sealing means out of said second cannula.

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