08052661 is referenced by 5 patents and cites 45 patents.

A needle assembly 10 compromising an infusion needle 11 that includes a needle cannula 13 made of a superelastic material such as Nitinol. The needle cannula is cold-worked or heat annealed to produce a preformed bend 16 that can be straightened within passageway 21 of a coaxial outer cannula 12 for introduction into the body of a patient. Upon deployment from the outer cannula, the needle cannula substantially returns to the preformed configuration for the introduction or extraction of materials at areas lateral to the entry path of the needle assembly. The needle assembly can compromise a plurality of needle cannulae than can be variably arranged or configured for attaining a desired infusion pattern.

Title
Hollow curved superelastic medical needle and method
Application Number
12/255990
Publication Number
8052661 (B2)
Application Date
October 22, 2008
Publication Date
November 8, 2011
Inventor
Edward J Morris
Bloomington
IN, US
Robert L Pakter
Tucson
AZ, US
James F McGuckin Jr
Radnor
PA, US
Agent
Woodard Emhardt Moriarty McNett & Henry
Assignee
Cook Incorporated
IN, US
IPC
A61M 5/32
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