Terumo Kabushiki Kaisha

Yuno Kitagawa

Yasuo Kurosaki

Hiroshi Goto

A coating layer inspection device and a method for inspecting a coating layer are disclosed that enable highly accurate evaluation of defectiveness in a coating layer of a subject. The coating layer inspection device includes a processing unit including a digitization unit that digitizes gray level information of each pixel, an average gray level calculation unit that calculates an average gray level, a first grayscale determination unit that determines whether the average gray level is equal to or greater than a first threshold and classifies the grayscale image as a potentially acceptable quality when obtaining an affirmative result, and a first upper-limit determination unit that determines whether the number of pixels having a gray level equal to or greater than the first threshold is equal to or less than a first specified upper limit and classifies the grayscale image as a potentially acceptable quality when obtaining an affirmative result.

Coating layer inspection device and method for inspecting coating layer

Provided are a drug layer applying device and a method for forming a drug layer which can quickly and easily apply or provide an appropriate amount of a drug on a surface of a medical instrument such as a balloon. A drug layer applying device that applies a drug layer on a surface of a balloon to be inserted into a living body, includes: a deformable porous body capable of holding a coating solution containing a drug and a solvent; a removal unit that is flexibly deformable and arranged alongside the porous body; and a holding base that holds the porous body and the removal unit.

Drug layer applying device and method for forming drug layer

A method and apparatus are disclosed for forming a drug coating layer capable of preventing breakage of elongated drug crystals on a surface of a balloon and maintaining the drug crystals in an appropriate shape in order to act on a living body. The method includes supplying a coating solution which contains the water-insoluble drug, a water-soluble additive, an organic solvent, and water to the surface of the balloon and evaporating the organic solvent and the water to form an additive layer containing the water-soluble additive and a protruding crystal having a tip end protruding from the additive layer, cutting a surplus portion protruding from the additive layer of the protruding crystal from a part surrounded by the additive layer and forming the part surrounded by the additive layer as the elongated body, and removing the cut-out surplus portion from the drug coating layer.

Growing community of inventors

Kanagawa, Japan

Yuno Kitagawa