Lateral needle injection apparatus and method

Details Lateral needle injection apparatus and method Lateral needle injection apparatus and method

2005-11-29

2005-11-29

Thanh, LoAn H. (Department: 3763)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

Reexamination Certificate

active

06969371

ABSTRACT:
A device and method for delivering and injecting fluid into heart tissue utilizing a laterally directed needle to increase injectate (fluid) retention in the heart tissue. The device may comprise a catheter having a shaft wherein the distal end of the shaft includes a primary penetrating member and a secondary penetrating member. The secondary penetrating member includes an injection lumen in fluid communication with a pressurized fluid source. The primary penetrating member penetrates the heart tissue at the injection site in a first direction, and the secondary penetrating member penetrates the heart tissue in a second direction different from the first direction such that fluid leakage from the injection site is reduced and the volume of treated tissue is increased.

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Internet Article, ‘Taking the “Ouch” Out of Needles: Arrays of Micron-Scale “Microneedles” Offer New Technique For Drug Delivery’, John Toon, Released Jun. 22, 1998, 4 pgs.

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