Lead Sponsor

University of Witten/Herdecke

Age

18 - No limit years

Sex

ALL

Healthy Volunteers

No

•Elective interventional blockade of lumbar facet joints due to lumbar facet osteoarthritis
•Chronic pain (\>3 months, most severe pain on motion in the last three months ≥3 (NRS))
•Age ≥18 years
•Legal capacity
•Proficiency in the German language
•Presence of a written informed consent from the patient
•Inpatient pain patient

•Participation in other interventional trials
•Individuals who have a dependent/employee relationship with the sponsor or investigator
•Cognitive impairment that could affect the use of the eEgg
•Impaired fist closure and/or reduction of gross strength in the hand area
•mono- or poly-neuropathy in the hand area
•Allergy to plastics