Location History:
- Long Lake, MN (US) (1981)
- Wayzata, MN (US) (1982 - 1991)
- Deephaven, MN (US) (1986 - 1991)
- Golden Valley, MN (US) (1996 - 1997)
- Williamsburg, VA (US) (1998 - 2005)
Company Filing History:
9 out of 13 
6 out of 37 
5 out of 5 
Years Active: 1981-2005
Title: Charles D Ray: Innovator in Spinal Technologies
Introduction:
Charles D Ray, an accomplished inventor hailing from Golden Valley, MN, has made significant contributions to the field of spinal medicine through his extensive patent portfolio. With 34 patents to his name, Ray has demonstrated his expertise in developing innovative solutions for treating spinal conditions. This article explores some of his latest patents, career highlights, and collaborations.
Latest Patents:
One of Charles D Ray's recent patents is for an interbody device and method for the treatment of osteoporotic vertebral collapse. This apparatus includes an introducer with an elongate member and a catheter, which work together to repair collapsed spaces within the vertebral bodies. By inserting the elongate member and expanding the membrane with inflation fluids, the apparatus achieves the desired spacing between vertebral bodies. This invention presents a promising solution for addressing osteoporotic vertebral collapse.
Another notable patent by Ray is for a prosthetic spinal disc nucleus that possesses a shape change characteristic. This innovation involves a hydrogel core surrounded by a constraining jacket. The hydrogel core is designed to expand from a dehydrated state to a hydrated state, allowing for easier implantation through an anulus opening. The ability of the hydrogel core to transition from a dehydrated shape to a hydrated shape provides a more natural solution for prosthetic spinal disc replacement.
Career Highlights:
Throughout his career, Charles D Ray has closely aligned himself with companies at the forefront of spinal medical technologies. He has made significant contributions to both Raymedica, Inc., and Surgical Dynamics, Inc., where his innovations have been instrumental in advancing the field of spinal medicine.
His work with Raymedica, Inc., a renowned medical device company, has contributed to the development of several cutting-edge technologies in spinal care. Ray's patents have helped establish Raymedica, Inc. as a leading provider of innovative solutions for various spinal conditions.
Collaborations:
During his career, Charles D Ray has collaborated with esteemed professionals in the field of spinal medicine. His notable collaborators include Eugene A Dickhudt and Robert L Assell. These partnerships have resulted in the development of groundbreaking spinal technologies, further solidifying Ray's influence within the industry.
Conclusion:
Charles D Ray's remarkable patent portfolio showcases his exceptional talent and passion for innovation in spinal medicine. His inventions, such as the interbody device for treating osteoporotic vertebral collapse and the prosthetic spinal disc nucleus with shape change characteristic, highlight his commitment to improving patient outcomes and enhancing the field of spinal medicine overall. Ray's contributions, in collaboration with pioneering companies and accomplished colleagues, have paved the way for advancements in spinal technologies that continue to transform the lives of patients worldwide.