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The precise pitch of the Dual Optofluid Cannula with interchangeable injectors guarantees an optimal bilateral implantation where both light and fluid injection can be used. The interchangeable configuration saves space and weight and can be used with multiple lengths of optical and fluid injector.

Each cannula ships with two plugs to prevent the guiding tubes from being clogged at implantation and between uses. Since both the optical and fluid injectors do not stay inside the brain for a long time, this cannula has the additional benefit of keeping them free of biological debris.

Depending on the pitch between the two optical fibers, two receptacle types are offered: small (S) and large (L). The model S is required when the pitch is equal to or smaller than 1.7 mm The minimum possible distance between the tubes is the guiding tube diameter. For pitch more than 1.7 mm, the model L is needed.
 

Notes:
Optical Injector and Fluid Injectors for Dual Optofluid Cannulas must be ordered separately. Be careful to order the right amount of injectors.
• The tubing internal diameter must match the optical injector fiber core diameter (see tables in section GUIDING TUBE CODES).
• Polyethylene tube to connect a fluid delivery system is sold separately.

Fluid Connector
Stainless tube 485 µm OD
(compatible with 25ga tubing)
Fluid Tubing IDGlass100 µm inner diameter
Polyimide140 µm inner diameter
Injector Dead VolumeL
Glass110 nL + 8 nL / mm fiber length
Polyimide210 nL + 15.4 nL / mm fiber length
S
Glass170 nL + 8 nL / mm fiber length
Polyimide330 nL + 15.4 nL / mm fiber length
Base Dimensionsee drawing
Drawing

Dual Optofluid Cannulas with Interchangeable Injectors model S

Dual Optofluid Cannulas with Interchangeable Injectors model L

User ManualFREN

Optofluid Cannulas Implantation and Fluid Injection



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