Golden Valley, MN, United States of America

Yefim I Safris

This inventor holds 29 USPTO granted patents and 8 published patent applications, plus 1 CIPO patent and 4 EPO patents, primarily in Minimally Invasive Surgery. Top assignees: Spinex Tec, LLC, Ex Technology, LLC, Octagon Spine LLC. Active years: 2012-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yefim I Safris. Retrieved from https://idiyas.com/inventor/yefim-i-safris

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 29 (Patent Applications = 8)

% Patents Active = 93.1

CIPO Patents = 1

EPO Patents = 4 (Patent Applications = 3)

Average Co-Inventor Count = 2.5

ph-index = 14

Forward Citations = 1,795(Granted Patents)

Company Filing History:

5. 1 out of 834,513

Other

patents

where one patent can have more than one assignee

Years Active: 2012-2026

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Areas of Expertise:

Intervertebral Cage

Minimally Invasive

Coaxial Screw Gear

Screw Gear Mechanism

Vertebral Body Distraction

Fusion Devices

Expandable Cage

Medical Device

29 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12702566 - Expandable intevertebral cage (2026-08-11),

2. 12690983 - Transversely expandable minimally invasive intervertebral cage (2026-07-28),

3. 12496197 - Medical device employing a coaxial screw gear sleeve mechanism (2025-12-16),

4. 12491082 - Transversely expandable minimally invasive intervertebral cage (2025-12-09),

5. 12156819 - Expandable inter vertebral cage (2024-12-03),

6. 12097126 - Expandable intervertebral cage (2024-09-24),

7. 12011365 - Transversely expandable minimally invasive inter vertebral cage (2024-06-18),

8. 12000191 - Method of making and using a foot operable door opener (2024-06-04),

9. 11911292 - Transversely expandable minimally invasive intervertebral cage (2024-02-27),

10. 11692384 - Foot operable door opener (2023-07-04),

11. 11612496 - Medical device employing a coaxial screw gear sleeve mechanism (2023-03-28),

12. 11497622 - Transversely expandable minimally invasive intervertebral cage and insertion and extraction device (2022-11-15),

13. 11471301 - Expandable intervertebral cage (2022-10-18),

14. 11234835 - Transversely expandable minimally invasive intervertebral cage (2022-02-01),

15. 11026804 - Coaxial screw gear sleeve mechanism (2021-06-08),

Title: The Innovations of Yefim I Safris

Introduction: Yefim I Safris, a prolific inventor based in Golden Valley, MN, has made significant contributions to the field of medical devices, particularly in spinal surgery. With a remarkable 23 patents to his name, he has been at the forefront of innovative solutions that enhance patient care and surgical outcomes.

Latest Patents: Among his latest inventions is the Expandable Intervertebral Cage, which features a unique design incorporating two base plates and a sophisticated mechanism for adjusting its dimensions. This device includes a proximal block with internal threading that facilitates the mechanical coupling of the base plates and a distal block with an internal passage. Each side of the device hosts an arm assembly that allows for dynamic adjustments. The innovative screw mechanism enables surgeons to alter the spacing and lordosis of the cage, promoting optimal spinal alignment during procedures.

Career Highlights: Throughout his career, Yefim has worked with reputable companies such as Spinex Technologies, LLC and Ex Technology, LLC. His expertise in designing and developing cutting-edge medical devices has not only resulted in numerous patents but also set new standards in spinal surgery technology.

Collaborations: Working alongside talented professionals like Omar F. Jimenez and Nicholas Ransom Powley, Yefim has fostered collaborations that amplify his innovative projects. Their collective expertise has allowed the team to push the boundaries of what is possible in the realm of orthopedic devices.

Conclusion: Yefim I Safris stands out as an influential inventor in the medical device industry, with a strong portfolio that reflects his commitment to innovation and excellence. His contributions, particularly the Expandable Intervertebral Cage, underscore his dedication to improving surgical techniques and patient outcomes. As he continues to develop new technologies, the impact of his work will undoubtedly resonate within the medical community for years to come.

Profile summary based on public USPTO records.