The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 02, 2025
Filed:
May. 26, 2020
The Penn State Research Foundation, University Park, PA (US);
Mohammad-Reza Tofighi, Malvern, PA (US);
Anilchandra Attaluri, Middletown, PA (US);
Dino Ravnic, Hershey, PA (US);
The Penn State Research Foundation, University Park, PA (US);
Abstract
Embodiments relate to use of microwave heating and infrared thermography for assessing perfusion. The system includes a microwave source, an antenna, and a radiometer. The microwave source generates microwave radiation at a frequency that is tuned to or near a resonance frequency by the antenna to output a microwave beam. The microwave beam is caused to be incident upon tissue and is converted to heat. The heated tissue emits infrared radiation that is monitored by the radiometer. The system allows for a low-cost, efficient, and non-invasive technique to assess blood perfusion without radiofrequency interference. Use of infrared thermography is accomplished by the formation of the hole in the antenna structure. Use of an array of such antennas allows the measurement of perfusion for multiple points across a region of the body. The efficiency of the system is aided by adjusting the average microwave power via pulse width modulation.