Endoscopic Camera Arrangement and Method for Camera Alignment Error Correction
Summary
The USPTO granted patent US12599288B2 to Erbe Vision GmbH for an endoscopic camera arrangement with camera alignment error correction. The patent addresses augmented reality camera calibration for laparoscopic cameras by using markers within the field of view to determine optical rotation and mechanical misalignment without additional sensors. The patent application was filed October 21, 2022, under application number 17971114, and contains 13 claims.
What changed
The USPTO granted patent US12599288B2 to Erbe Vision GmbH, covering an endoscopic camera arrangement and method for camera alignment error correction. The invention uses markers placed within the field of view of laparoscopic cameras to determine rotation and mechanical misalignment without additional sensors. This addresses calibration challenges in augmented reality applications where camera optics may not be rigidly fixed.
Medical device manufacturers and technology companies developing endoscopic cameras, laparoscopic systems, or augmented reality surgical applications should review the patent claims to assess potential infringement risks and determine whether licensing discussions with Erbe Vision GmbH are necessary.
What to do next
- Monitor patent landscape for enforcement actions
- Review claims for potential infringement if developing similar endoscopic camera systems
Archived snapshot
Apr 14, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Endoscopic camera arrangement and method for camera alignment error correction
Grant US12599288B2 Kind: B2 Apr 14, 2026
Assignee
Erbe Vision GmbH
Inventors
Shirish Joshi, Faisal Kalim, Subhamoy Mandal
Abstract
Augmented reality applications require precise camera calibration to reduce the overall target registration errors. The camera calibration determines the mathematical model of the camera in order to determine how the physical world space is mapped to the camera image space and thus is highly dependent on the optics of the camera. The camera calibration algorithm normally assumes that the optics of the camera is rigidly fixed, which in fact is not at least for tilted laparoscopic cameras as illustrated in FIGS. 6 to 8. Furthermore, any mechanical play between elements of the objective and the image converter will render the optics variable. According to the invention markers to will be placed within the field of view of the laparoscopic camera, which allows for determination of rotation of the optical part and mechanical misalignment without the necessity or providing any additional sensor.
CPC Classifications
A61B 1/00057 A61B 1/00096 A61B 1/00172 A61B 1/00183 A61B 2090/3937 A61B 2034/2055 A61B 2034/2057 A61B 2034/2072 A61B 2090/0811 A61B 2090/0812 A61B 2090/363 A61B 2090/364 A61B 2090/365 A61B 2090/366 A61B 2090/367 A61B 2090/368 A61B 2090/3941 A61B 2090/3945 A61B 2090/395 G02B 27/32 G02B 27/34 G02B 27/36
Filing Date
2022-10-21
Application No.
17971114
Claims
13
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Source
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