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These guide cannulae fit BASi’s most popular “BR” style brain microdialysis probes. There are two version of this guide; they differ in how they secure the probe or stylete in the guide. One uses a rubber O-ring that lightly snaps into the notch in the probe or stylete head when inserted. Removal is equally simple. The other uses an Ω (Omega) ring that can be turned to open the ring’s “window” to allow insertion of a probe or stylete. When the omega ring is turned further, closing the window, the probe/stylete is locked securely in place. Removal is equally simple.  If you are working with mice, see the MBR style guides.

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Probe-03

Overview

Name O-ring Intracerebral Guide Cannula and Stylet
Omega-ring Intracerebral Guide Cannula and Stylet

 

Part Number MD-2250, O-ring
MD-2251, Omega-ring

 

Cannula Inert, biocompatible plastic

 

Stylet Stainless Steel

 

Cannula Length 10 mm. This length permits you to reach even the deepest rat brain target.  The length is optimized so that when a ”BR” style microdialysis probe is inserted, only the probe membrane protrudes out.  Custom length guides available

 

Use Provides pre-experiment surgical targeting when microdialysis sampling from awake animals. Permits insertion of probes following surgical recovery. Facilitates post-experiment microdialysis probe removal and potential probe reuse. For use with BR, IBR, Infusion, and custom BR microdialysis probes.  O-ring is non-metallic, can be used for NMR imaging.

 

Lock Mechanism MD-2250, Rubber ring, snap lock
MD-2251, Steel collar, manual lock

 

Dimensions Head Diameter 6.4mm
If you want to implant multiple guides cannulae closer than this guide’s 6.4 mm OD permits, see the BASi MBR style probes and guides.

 

Brain “BR Style” Guide Cannulae