How are you, I am a virtual reality developer with 4 years of experience. I have developed several virtual reality games using Unity3d.
Your project for virtual reality surgery looks like the perfect fit for me.
Please check my working histories for virtual reality.
https://www.freelancer.com/projects/game-design/Game-for-Vive-Pro/?w=f
https://www.freelancer.com/projects/unity-3d/Hospital-Room/
https://www.freelancer.com/projects/unity-3d/Oculus-Room-Unreal/
https://www.freelancer.com/projects/rendering/HTC-VIVE-virtual-showroom/
Furthermore, I think my skills would be helpful for your project and I am sure I can complete your requirements and meet your vision.
So, if you wish for a high quality, professional product, please feel free to contact me anytime.
Best Regards!