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Sendai City Medical Center Sendai Open Hospital
• Customer — Sendai City Medical Center Sendai Open Hospital
• Delivery location — Miyagi, Japan
• Product to be delivered — 42HD x 7
• Delivery date — Apr, 2005
Medical plasma display systems were installed in five operating rooms using seven 42-inch plasma displays, and SDI high-definition images are being used in endoscopic and other operations.
Dr. Tsuyoshi Naito, medical director of digestive surgery, who played a central role in implementing the medical imaging system in the new operating rooms, discusses the reasons for using the Panasonic plasma display system, and the features of the system. "My specialization is endoscopy.
The focus up to now regarding image quality in endoscopic surgery has largely been on the performance aspects of the endoscope, and nobody really considered the performance of the monitors. When I was studying abroad in America before the recent modernization of our hospital, I had the opportunity to inspect some medical facilities where I saw medical images transmitted using SDI. Besides being amazed at the wonderful image quality, I decided that we should use SDI transmission for our new system. As for monitors, while medical equipment is rapidly switching to digital, we cannot hope for higher resolution and bigger screens than at present with CRT monitors. Also, large LCD monitors suffer from color irregularity depending on the viewing angle, and besides their inferior color reproduction, they have poor responsiveness with high-speed images so that afterimages and image blurring occur, making them unsuitable as main monitors for endoscopic surgery.
On the other hand, the plasma display has excellent characteristics like responsiveness with high-speed images, very good color reproduction, unrestricted viewing angle, no flicker and so on.
We looked at several companies’ products, but we liked Panasonic’s high-definition and SDI support, and decided to go with Panasonic. We were able to get system specifications that fully met our needs for things like touch-panel system control and networking inside the hospital, and the installation went smoothly. We started using them in May 2005.
*SDI (Serial Digital Interface)
A standard for the interface used by broadcasting stations and the like for exchanging digital images and sound signals. It can transmit uncompressed digital signals with a single coaxial cable. The HDSDI standard covers high-definition, while the SDSDI standard covers NTSC and similar formats
In the two endoscopic operating rooms, 42-inch high-definition plasma display units are suspended from the ceiling on arms. [Note]The walls of the operating room are painted light green to eliminate complementary color afterimages due to the red color of blood. At the Sendai Open Hospital, green lighting is also used.
In the two general operating rooms, 42-inch high-definition plasma displays are attached to the wall