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Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...

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Compact instrument for fluorescence image-guided surgery.

Xinghua Wang1, Srabani Bhaumik, Qing Li

  • 1GE Global Research, 1 Research Circle, Niskayuna, New York 12309, USA.

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A new compact fluorescence image-guided surgery (FIGS) system offers flexibility for various surgical needs. This portable device enables enhanced visualization in cardiovascular mapping, improving surgical precision.

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Area of Science:

  • Medical imaging
  • Surgical technology
  • Biomedical engineering

Background:

  • Fluorescence image-guided surgery (FIGS) is an emerging technique with applications in oncology, neurology, and cardiology.
  • Existing FIGS systems can be large and inflexible, limiting their use in diverse surgical settings.
  • There is a need for more compact and adaptable FIGS instruments to broaden surgical applications.

Purpose of the Study:

  • To develop and present a compact, portable fluorescence image-guided surgery (FIGS) system.
  • To demonstrate the system's utility in cardiovascular mapping.
  • To offer a low-cost, flexible alternative to traditional FIGS systems.

Main Methods:

  • The system utilizes fiber optic delivery for laser diode excitation.
  • Custom optics with high collection efficiency are employed.
  • Compact, consumer-grade cameras are integrated for imaging.
  • The system was tested in a preclinical model of myocardial ischemia.

Main Results:

  • The developed FIGS system is significantly smaller and lighter than conventional systems.
  • The system demonstrated successful application in cardiovascular mapping.
  • The compact design enhances flexibility and surgical field access.
  • The use of consumer-grade cameras provides a low-cost solution.

Conclusions:

  • The compact and portable FIGS system represents a significant advancement in intraoperative imaging.
  • This technology enhances flexibility and accessibility for FIGS in various surgical specialties.
  • The system shows promise for improved visualization and precision in cardiovascular procedures.
  • The low-cost design makes advanced FIGS technology more accessible.