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BNC microelectrode holder
by kulbatskiy
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This is a holder for glass microelectrode with 1.5 mm OD and BNC connector, which is common in electrophysiology rigs.The published model has a vented design (the pressure in the microelectrode is atmospheric), one can convert it into pressurized desigh (used in patch-clamp) by installing a small piede of PEEK chromatograhy capillary into vent hole.
Parts list:
1. 3D printed body and cap
2. BNC connector with male plug and RG-58 threaded mount (like this one https://aliexpress.ru/item/1005005238150764.html?sku_id=12000032320199892&spm=a2g2w.productlist.search_results.11.787f4aa6JEeFNq)
3. Silver wire 60mm long and 0.2-0.5 mm in diameter
4. 1 cm of silicone tube with I.D. 1.0mm and O.D. 3.0mm
Assemly:
1. Tap the threads in both body and cap. For resin prints depending on resin properties it might be better to tep the threads before post-curing.
2. Solder the silver wire to BNC connector central pin.
3. Place the pin into BNC connector.
4. Put 2-3mm piece of silicone tube on
Parts list:
1. 3D printed body and cap
2. BNC connector with male plug and RG-58 threaded mount (like this one https://aliexpress.ru/item/1005005238150764.html?sku_id=12000032320199892&spm=a2g2w.productlist.search_results.11.787f4aa6JEeFNq)
3. Silver wire 60mm long and 0.2-0.5 mm in diameter
4. 1 cm of silicone tube with I.D. 1.0mm and O.D. 3.0mm
Assemly:
1. Tap the threads in both body and cap. For resin prints depending on resin properties it might be better to tep the threads before post-curing.
2. Solder the silver wire to BNC connector central pin.
3. Place the pin into BNC connector.
4. Put 2-3mm piece of silicone tube on
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