Speckle removal in a pulsed hyperspectral, fluorescence, and laser mapping imaging system is described. A system includes a coherent light source for emitting pulses of coherent light, a fiber optic bundle connected to the coherent light source, and a vibrating mechanism attached to the fiber optic bundle. The system includes and an image sensor comprising a pixel array for sensing reflected electromagnetic radiation. The system is such that at least a portion of the pulses of coherent light emitted by the coherent light source comprises one or more of a hyperspectral emission, a fluorescence emission, or a laser mapping pattern.

An adapter for endoscopy can operably connect camera features and light source features of a portable electronic device with a respective viewfinder and illumination element of a medical endoscope. Systems including an endoscope, adapter, and handheld electronic device with a microphone, light source, and camera can, when connected, be used to perform stroboscopic endoscopic examinations.

An ocular device for a surgical instrument, the surgical instrument having an optical window frame and an optical assembly arranged in an interior space of the surgical instrument, the ocular device including: an ocular window separated from the optical assembly by a space; a holder configured to be connected to the ocular window frame; and at least one elastic element, wherein in a connected state, the at least one elastic element transmits a clamping force from the holder to bias the ocular window towards the space.

The cooling unit includes: an opening part through which the cooling media flow in; a first flow path; a second flow path; a first heat generation section; a second heat generation section; a first heat dissipation section that is thermally connected to the first heat generation section, and is disposed in the first flow path; and a second heat dissipation section that is thermally connected to the second heat generation section, and is disposed in the second flow path. The second flow path is disposed between the first and second heat generation sections and the first flow path, and the first heat dissipation section has a thermal resistance value smaller than a thermal resistance value of the second heat dissipation section.

An ultrasound endoscope includes: an insertion portion configured to be inserted into a living body; an ultrasound transmitting and receiving unit; a balloon surrounding the ultrasound transmitting and receiving unit; a water supply port for supplying water to the balloon; an operating unit provided at a proximal end side of the insertion portion; a cable extending from the operating unit; a channel provided in the insertion portion and leading to the water supply port to supply water toward the water supply port; a pipe provided in the cable; a cylinder provided at the operating unit, one end of the channel and one end of the pipe being opened to the cylinder; an injection port provided in the pipe; and a duct having one end leading to the pipe via the injection port and having the other end to which a syringe for injecting water or supplying air is attachable.

An endoscope system includes: an endoscope scope insertion portion having an insertion portion configured to be inserted inside a living organism; an extracorporeal device which is disposed outside the living organism; a first scope-side signal connecting portion that is provided on the endoscope scope insertion portion and has a first electrode; and a cylindrical first extracorporeal-side signal connecting portion that is provided on the extracorporeal device and has a second electrode, the first extracorporeal-side signal connecting portion configured to engage with the first scope-side signal connecting portion. In this endoscope system, when the first scope-side signal connecting portion is engaged with the first extracorporeal-side signal connecting portion, at least a portion of the first scope-side signal connecting portion is located within an inside-cylinder space of the first extracorporeal-side signal connecting portion, and the first electrode and the second electrode are electrostatically coupled together.

An optical fiber connection mechanism includes a pair of connectors and a split sleeve that are used in an endoscope. The connectors include respective ferrules, an end of a single-mode optical fiber and a collimator lens is mounted in each ferrule, and the collimator lens is disposed at the tip of the single-mode optical fiber. The optical fiber connection mechanism is configured so that when the ferrules are inserted into ends of the split sleeve, the collimator lenses face each other with a gap therebetween and the single-mode optical fibers are optically connected to each other. The ferrules are loosely fit in the corresponding connectors to be displaceable within a predetermined range in the direction along the optical axis of the single-mode optical fibers.

An illumination apparatus (1) for illuminating the operating field during open surgery with radiation to cause fluorescence, the apparatus including a main body (2) including an opening (3) configured to release the radiation (18), is characterized by an attachment unit or assembly (4) for removably attaching the main body (2) sideways to an endoscope (5).

An endoscope system for use with a light guide having an endoscope; and a reflector configured for placement between the endoscope and the light guide. The reflector has a translucent portion for transmitting light from the light guide and a reflective portion for reflecting light from the light guide back into the light guide.

A drive assembly for driving an imaging catheter has a rotatable fiber and a rotatable drive shaft. The drive assembly includes a fiber optic rotating junction and a motor configured to rotate the rotatable portion of the fiber optic rotating junction. In some embodiments, the drive assembly includes a sensor configured to detect a rotational position of the fiber optic rotating junction and a processor configured to obtain the detected rotational position and stop the motor only when the fiber optic rotating junction is in a predetermined rotational position. In some embodiments, the motor includes a hollow shaft through which at least a portion of the fiber optic rotating junction extends.