Realistic Medical Device Animation

I'm seeking a skilled 3D animator to create a 2-minute realistic animation that explains how a medical device works. The animation is aimed at investors and should effectively showcase the device's functionality.

Requirements:
- Realistic 3D animation
- Detailed explanation of device operation
- Engaging and professional quality
- Incorporation of revisions as needed

Ideal Skills and Experience:
- Expertise in 3D animation software
- Background in medical device animations
- Strong storytelling and visual communication skills
- Experience working with investors as a target audience
-two versions videos: without voiceover and one with voiceover
Please share your portfolio with relevant work. Looking forward to your proposals!