File:Lancaster surgical electromagnet.jpg
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Summary[edit]
| Description |
English: A surgical electromagnet being used to remove a foreign body embedded in a patient's eyeball in 1922. The Lancaster surgical electromagnet (A) is suspended by the bracket on the wall. It's pointed pole piece is held near the surface of the eye and the power is turned on. The magnetic field pulls the ferrous splinter of metal out of the eyeball without necessity of invasive probing with tweezers. A second electromagnet (B) is seen on the table. Alterations to image: Partially removed aliasing artifacts (crosshatched lines) introduced into halftone image during scanning using Gimp FFT filter. Caption: Lancaster portable magnet suspended from crane, showing flexibility and ease of manipulation: A. Lancaster portable magnet. B. Lancaster hand magnet, C. Electrodes for ring magnet |
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| Source | Retrieved November 1, 2014 from James M. Patton, "The localization and extraction of intraocular foreign bodies" in Jour. of the American Medical Association, Vo. 79, No. 13, September 23, 1922, p. 1034, fig. 4 on Google Books |
| Author | James M. Patton |
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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:50, 7 November 2014 | | 1,209 × 1,523 (300 KB) | Chetvorno (talk | contribs) | User created page with UploadWizard |
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