There are many advantages to hands off blood sampling. Reduced stress, better data, improved throughput. This video demonstrates the complete process for hands off blood sampling in rats. Here is the time point breakdown:

0:03 - Flush catheter

0:11 - Attach magnetic tether connected to swivel

0:13 - Place rat in cage

0:26 - Pull trim from catheter with PinPort™ connected to swivel

0:33 - Take blood sample from PinPort™

1:01 - Flush catheter

1:09 - Happy rat still tethered, freely moving — hands-free!

Read more about blood sampling with rodents from outside the cage