Design a TENS Device for Parkinson's

I am seeking an experienced product designer and biomedical engineer to develop a wearable TENS device in the form of a wristband. This device's primary function is to provide therapy for Parkinson's disease, specifically targeting tremors.

Key Responsibilities:
- Design a comfortable and efficient wristband-structured TENS device
- Ensure the device primarily aids in controlling tremors
- Incorporate elements for potential future upgrades to address muscle stiffness and balance issues

Ideal Candidates:
- Extensive experience in wearable device design
- Knowledge and understanding of TENS therapy
- Familiarity with Parkinson's disease and its symptoms
- Strong skills in user-centered design principles, ensuring comfort for long-term wear
- Ability to create a device that is not only functional, but also aesthetically pleasing.