Abstract: Disclosed is a catheter to be percutaneously inserted into a living body lumen, which includes a sheath portion having a lumen extending therein, an insertion member slidably disposed in the lumen of the sheath portion and having a distal end portion capable of protruding from a distal end portion of the sheath portion, an injection needle disposed at the distal end portion of the insertion member for injecting a therapeutic composition into a target tissue, and an electrode disposed at a distal end portion of the catheter for measuring a cardiac action potential.

Abstract: A catheter for percutaneous insertion includes a sheath portion, an insertion member, an injection needle, and paired electrodes. The sheath portion has a lumen extending therein. The insertion member is disposed slidably in the lumen of the sheath portion and provided with a distal end portion capable of protruding from a distal end portion of the sheath portion. The injection needle is disposed in the distal end portion of the insertion member for injecting a therapeutic composition to a target tissue. The paired electrodes are disposed in a distal end portion of the catheter for measuring impedance.

Abstract: A boiler includes a coal pulverizer that pulverizes coal; a coal combustion unit that combusts gasified pulverized coal that has been pulverized by the coal pulverizer; a furnace that combusts gasified fuel generated by the coal combustion unit; a slag formation unit provided in an ash outlet of the coal combustion unit; means for supplying primary air, for supply of the pulverized coal; to the coal pulverizer; means for supplying secondary air, for gasified combustion, to the coal combustion unit; and means for supplying tertiary air, for gasified fuel combustion, to the furnace.

Abstract: A catheter for percutaneous insertion includes a sheath portion, an insertion member, an injection needle, and paired electrodes. The sheath portion has a lumen extending therein. The insertion member is disposed slidably in the lumen of the sheath portion and provided with a distal end portion capable of protruding from a distal end portion of the sheath portion. The injection needle is disposed in the distal end portion of the insertion member for injecting a therapeutic composition to a target tissue. The paired electrodes are disposed in a distal end portion of the catheter for measuring impedance.

Abstract: Disclosed is a catheter to be percutaneously inserted into a living body lumen, which includes a sheath portion having a lumen extending therein, an insertion member slidably disposed in the lumen of the sheath portion and having a distal end portion capable of protruding from a distal end portion of the sheath portion, an injection needle disposed at the distal end portion of the insertion member for injecting a therapeutic composition into a target tissue, and an electrode disposed at a distal end portion of the catheter for measuring a cardiac action potential.

Abstract: A U-type slag-tap firing boiler includes a combustion furnace (5) formed in a volume so that a temperature of a gas flowing through a slag screen (4) separating the combustion furnace (5) and a radiant furnace (6) disposed below the combustion furnace (5) is maintained in a range that ensures the normal functioning of the slag screen (4) even if air is supplied through a burner (2) into the combustion furnace (5) at an air ratio below 1. NOx generation is reduced by decreasing air supply through the burner (2) into the combustion furnace (5) to below 1, burning pulverized coal in a fuel-rich combustion mode in the combustion furnace (5) to crate a reducing atmosphere therein, and heating the interior of the combustion furnace (5) at a temperature around fluid temperature.