A dialysis catheter is a catheter used for exchanging blood to and from a hemodialysis machine and a patient. The dialysis catheter contains two lumens: venous and arterial. This terminology is confusing, because both lumens are in the vein.
In order to practice as a dental hygienist, one needs a degree from a dental hygiene school and a state license. To become licensed, dental hygienists need to pass a clinical and written exam.
Training and development. To practise as a dental hygienist, you need to take an appropriate course approved by the General Dental Council (GDC). You will then need to register with the GDC. The course is offered by dental schools and usually takes two years or up to 27 months full-time.