An apparatus for an endoscopic illumination device, comprising: - a first heat pipe and a first clamping element; - a second heat pipe and a second clamping element; - a first heat source and a second heat source; - a heat dissipation element (30, 30') for dissipating thermal energy from the first heat source and the second heat source, the heat dissipation element (30, 30') being disposed in a direct periphery of the first heat source and the second heat source, the heat dissipation element (30, 30') having an L-shape; and - a heat sink spaced from the first heat source, wherein the first clamping element is reversibly detachably mounted on the heat dissipating element (30, 30') such that a first end portion of the first heat pipe is held between the heat dissipating element (30, 30') and the first clamping element and the second clamping element is reversibly detachably mounted on the heat dissipating element (30, 30') such that a first end portion of the second heat pipe is held between the heat dissipating element (30, 30') and the second clamping element, wherein the first heat pipe is adapted to conduct the thermal energy of the heat source to the heat sink and the second heat pipe is adapted to conduct the thermal energy of the second heat source to the heat sink, wherein a second end portion of the first heat pipe spaced from the first end portion opens into the heat sink and a second end portion of the second heat pipe spaced from the first end portion opens into the heat sink. - a first heat pipe and a first clamping element; - a second heat pipe and a second clamping element; - a first heat source and a second heat source; - a heat dissipation element (30, 30') for dissipating thermal energy from the first heat source and the second heat source, the heat dissipation element (30, 30') being disposed in a direct periphery of the first heat source and the second heat source, the heat dissipation element (30, 30') having an L-shape; and - a heat sink spaced from the first heat source, wherein the first clamping element is reversibly detachably mounted on the heat dissipating element (30, 30') such that a first end portion of the first heat pipe is held between the heat dissipating element (30, 30') and the first clamping element and the second clamping element is reversibly detachably mounted on the heat dissipating element (30, 30') such that a first end portion of the second heat pipe is held between the heat dissipating element (30, 30') and the second clamping element, wherein the first heat pipe is adapted to conduct the thermal energy of the heat source to the heat sink and the second heat pipe is adapted to conduct the thermal energy of the second heat source to the heat sink, wherein a second end portion of the first heat pipe spaced from the first end portion opens into the heat sink and a second end portion of the second heat pipe spaced from the first end portion opens into the heat sink. wherein the first clamping element is reversibly detachably mounted on the heat dissipating element (30, 30') such that a first end portion of the first heat pipe is held between the heat dissipating element (30, 30') and the first clamping element and the second clamping element is reversibly detachably mounted on the heat dissipating element (30, 30') such that a first end portion of the second heat pipe is held between the heat dissipating element (30, 30') and the second clamping element, wherein the first heat pipe is adapted to conduct the thermal energy of the heat source to the heat sink and the second heat pipe is adapted to conduct the thermal energy of the second heat source to the heat sink, wherein a second end portion of the first heat pipe spaced from the first end portion opens into the heat sink and a second end portion of the second heat pipe spaced from the first end portion opens into the heat sink.