Endoscopic fiber-coupled diamond magnetometer for cancer surgery
Fuente:
arXiv
Saved in:
| Main Authors: | , , , , , |
|---|---|
| Format: | Preprint |
| Published: |
2025
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866912542834556928 |
|---|---|
| author | Newman, A. J. Graham, S. M. Stephen, C. J. Edmonds, A. M. Markham, M. L. Morley, G. W. |
| author_facet | Newman, A. J. Graham, S. M. Stephen, C. J. Edmonds, A. M. Markham, M. L. Morley, G. W. |
| contents | Interoperative measurements using magnetic sensors is a valuable technique in cancer surgery for finding magnetic tracers. Here we present a fiber-coupled nitrogen-vacancy (N-V) center magnetometer capable of detecting iron oxide suspension (MagTrace from Endomagnetics Ltd.) used in breast cancer surgeries. Detection of an iron mass as low as 0.56~mg has been demonstrated, 100 times less than that of a recommended dose at a maximum distance of 5.8~mm. Detection of an iron concentration as low as 2.8 mg/ml has also been demonstrated, 20 times less than a recommended dose. The maximum working distance from the sensor can be as large as 14.6~mm for higher concentrations. The sensor head has a maximum diameter of 10~mm which would allow it to be used for endoscopy, laparoscopy and interoperative surgery. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_05884 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Endoscopic fiber-coupled diamond magnetometer for cancer surgery Newman, A. J. Graham, S. M. Stephen, C. J. Edmonds, A. M. Markham, M. L. Morley, G. W. Medical Physics Materials Science Quantum Physics Interoperative measurements using magnetic sensors is a valuable technique in cancer surgery for finding magnetic tracers. Here we present a fiber-coupled nitrogen-vacancy (N-V) center magnetometer capable of detecting iron oxide suspension (MagTrace from Endomagnetics Ltd.) used in breast cancer surgeries. Detection of an iron mass as low as 0.56~mg has been demonstrated, 100 times less than that of a recommended dose at a maximum distance of 5.8~mm. Detection of an iron concentration as low as 2.8 mg/ml has also been demonstrated, 20 times less than a recommended dose. The maximum working distance from the sensor can be as large as 14.6~mm for higher concentrations. The sensor head has a maximum diameter of 10~mm which would allow it to be used for endoscopy, laparoscopy and interoperative surgery. |
| title | Endoscopic fiber-coupled diamond magnetometer for cancer surgery |
| topic | Medical Physics Materials Science Quantum Physics |
| url | https://arxiv.org/abs/2504.05884 |