Floating spinal cannula and method of use

Details Floating spinal cannula and method of use Floating spinal cannula and method of use

2009-07-01

2010-11-16

Sirmons, Kevin C (Department: 3767)

Surgery

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

Treating material introduced into or removed from body...

C604S240000, C604S533000

Reexamination Certificate

active

07833217

ABSTRACT:
A spinal cannula for delivering a therapeutic agent to a spinal cord target includes proximal and distal end portions, a middle portion, and a deployable cannula member having distal and proximal end portions and a first lumen extending between the end portions. The spinal cannula includes a fluid delivery line operably connected to the proximal end portion of the deployable cannula member, and a fluid delivery line including a second lumen in fluid communication with the first lumen. The spinal cannula includes a support cannula proximally located from the deployable cannula member and securely connected to a portion of the fluid delivery line. Additionally, the spinal cannula includes a delivery cannula having distal and proximal end portions and a third lumen extending between the end portions for receiving the support cannula. The proximal end portion includes a locking mechanism for releasably engaging the proximal end portion of the support cannula.

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