Abstract: A cooling device includes: a casing including an air intake port and an air exhaust port; a single heat releaser including a plurality of fins arranged in a gas flow path from the air intake port to the air exhaust port; a first heat diffuser arranged in the casing, connected to a first heat generation body generating heat at time of driving and the single heat releaser in a heat-transferable manner, and arranged at a position forming a part of the gas flow path passing through a space between the plurality of fins; and a second heat diffuser arranged in the casing, connected to a second heat generation body generating heat at time of driving and the single heat releaser in a heat-transferable manner, and arranged at a position forming a part of the gas flow path passing through the space between the plurality of fins.

Abstract: [Object] To provide a medical light source device and a medical observation system capable of switching a light source while suppressing an increase in size and complication of a device. [Solution] A medical light source device according to the present disclosure includes: a plurality of light sources; and a light source switching section that holds an end section of a light guide that transmits light, and is capable of disposing the end section on one of optical paths of light emitted by the plurality of light sources.

Abstract: [Object] To provide a medical light source device and a medical observation system capable of switching a light source while suppressing an increase in size and complication of a device. [Solution] A medical light source device according to the present disclosure includes: a plurality of light sources; and a light source switching section that holds an end section of a light guide that transmits light, and is capable of disposing the end section on one of optical paths of light emitted by the plurality of light sources.

Abstract: A cooling device includes: a casing including an air intake port and an air exhaust port; a single heat releaser including a plurality of fins arranged in a gas flow path from the air intake port to the air exhaust port; a first heat diffuser arranged in the casing, connected to a first heat generation body generating heat at time of driving and the single heat releaser in a heat-transferable manner, and arranged at a position forming a part of the gas flow path passing through a space between the plurality of fins; and a second heat diffuser arranged in the casing, connected to a second heat generation body generating heat at time of driving and the single heat releaser in a heat-transferable manner, and arranged at a position forming a part of the gas flow path passing through the space between the plurality of fins.

Abstract: [Object] To provide a medical light source device and a medical observation system capable of switching a light source while suppressing an increase in size and complication of a device. [Solution] A medical light source device according to the present disclosure includes: a plurality of light sources; and a light source switching section that holds an end section of a light guide that transmits light, and is capable of disposing the end section on one of optical paths of light emitted by the plurality of light sources.