05053046 is referenced by 444 patents and cites 10 patents.

A spinal needle which has the capability of sealing its opening after withdrawal. A first conventional spinal needle or cannula is used for standard diagnostic or therapeudic use. A second cannula is inserted concentrically into the first needle and includes a dural seal having an absorbable suture extending from the second cannula. A stylet is inserted into the second cannula dislodging the seal into the subarachnoid space. The cannulae are removed and the suture is pulled to set the dural seal in the spinal puncture.

Title
Dural sealing needle and method of use
Application Number
234716
Publication Number
5053046
Application Date
September 6, 1990
Publication Date
October 1, 1991
Inventor
Woodrow W Janese
2806 N. Navarro, Ste. M, Victoria, 79901
TX, US
Agent
Vaden Eickenroht Thompson & Boulware
Assignee
Woodrow W Janese
TX, US
IPC
A61B 17/04
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