Help- Coupling 2 syringes!

Hi PA, I am struggling to find a device that couples two syringes (LA and corticosteroid) for injections without removing the needle from the target tissue.

Hi PA, I am struggling to find a device that couples two syringes (LA and corticosteroid) for injections without removing the needle from the target tissue.

See original article:
Help- Coupling 2 syringes!