#Japan #brain tumors #Kono Seisakusho #Ichikawa #PDT Sheet II

PDT Sheet II: A Breakthrough in Brain Tumor Treatment

In a significant advancement for medical technology, Kono Seisakusho has developed the PDT Sheet II, a medical device designed to support Photodynamic Therapy (PDT) for malignant brain tumors. Set to release on July 1, 2025, PDT Sheet II is engineered to meet a critical need in a field that has been lacking specialized medical devices.

Background on Malignant Brain Tumors

Malignant brain tumors are particularly challenging to treat due to their complex nature. Complete surgical removal of these tumors is often difficult, leading to a high chance of recurrence after surgery. PDT is an innovative treatment approach initiated in Japan that helps to prevent this recurrence. The therapy involves a sequence of steps: first, a photosensitizing agent is administered before surgery, followed by the complete resection of the tumor, and finally, the application of laser light to activate the drug and eliminate any remaining cancer cells that could not be seen during surgery.

What is PDT Sheet II?

The PDT Sheet II is an essential component for the effective delivery of PDT. It consists of two layers of non-woven fabric with aluminum foil sandwiched in between, which serves to block laser light during the procedure. Its design addresses the specific requirements of neurosurgeons by ensuring that the laser only targets the tumor without affecting surrounding blood vessels.

Unique Shapes for Different Applications

The PDT Sheet II is available in various shapes to facilitate its use:

• - Band-shaped: This design protects the blood vessels near the tumor from laser exposure.
• - Round-shaped: Provides shielding for the area where the laser has already been applied.

Ensuring Usability for Surgeons

One of the innovative features of the PDT Sheet II is its usability in the operating room. As the procedure requires marking the sheet every time a laser is used, it's crucial for the marks to remain legible and not bleed, even when used in a saline solution environment. Kono Seisakusho has carefully selected materials to ensure the markings are clear under these conditions.

Patient-friendly Design

The design of the PDT Sheet II also prioritizes patient welfare. During the application of laser light, if the sheet dries and adheres to the tissue, it may cause damage when removed. To mitigate this risk, the PDT Sheet II uses a porous material that minimizes adhesion to the surrounding tissue, enhancing patient safety and comfort.

About Kono Seisakusho

Founded in 1970, Kono Seisakusho specializes in the development, manufacturing, and sales of medical devices used in surgeries. The company's commitment to innovation has led to groundbreaking products, including the world's smallest needle—a notable achievement awarded the Prime Minister's Award at the 3rd Monozukuri Japan Grand Prize in 2009. Beyond the PDT Sheet II, the company also offers Cirrax, a specialized medical device for microvascular decompression in neurosurgery.

For more information about Kono Seisakusho and its products, visit Kono Seisakusho's official website.