Abstract: An optical system which can be detached and attached is constituted such that it is arranged at the object side of an objective optical system for endoscope in which an incidence pupil is arranged, and a middle image of the objective is formed at its inside, and in the arrangement state, the incidence pupil of the objective optical system for endoscope is relayed at a predetermined position which is more projected toward the utmost object side than a surface at the object side in the endoscope. (An incidence pupil which is conjugate with an incidence pupil is arranged at a position which is more projected toward the object side by a predetermined amount than a surface which is at the utmost object side in the endoscope).

Abstract: A forward-looking, optical coherence tomography, endoscopic probe is disclosed capable of high resolution with a small diameter. Light is focused and scanned during three passes through a lens. A light source supplies light to the proximal side of the lens. The light makes a first pass through the lens, and is reflected from a fixed mirror on the distal side. The reflected light makes a second pass from the distal side to the proximal side, and exits the lens at the proximal side, and is reflected by a scanning mirror. The light makes a third pass through the lens from the proximal side to the distal side to a sample to be imaged. The light is focused during each of the three passes through the lens. Light reflected from the sample passes back through and is focused by the same system.

Abstract: Medical systems, devices and methods are provided for manipulating tissue, such as for closing a perforation in an internal bodily lumen. One embodiment of a medical system generally includes an endoscope, an endcap attached to the distal end of the endoscope, a plurality of needles attached to the endcap, a stylet cap slidably disposed of the endcap, a plurality of stylets attached to the stylet cap, and a plurality of tissue devices. The plurality of needles define a plurality of needle lumens and the plurality of stylets project distally into the needle lumens. The plurality of tissue devices are positioned within the needle lumens, whereby translation of the stylet cap relative to the endcap causes the plurality of stylets to engage the plurality to tissue devices and eject them from the plurality of needles. The medical system may further include a protective tip slidably attached to the plurality of needles.

Abstract: An endoscopic apparatus includes a light-generating mechanism for generating at least one modulated measuring beam, a light-transmitting mechanism for conducting the measuring beam onto an area to be observed, where the light-transmitting mechanism includes an illuminating lens, in addition to a light-imaging mechanism for imaging a signal beam from the area to be observed at least onto a phase-sensitive image sensor, which includes a number of pixels, where the light-imaging mechanism includes an imaging lens. At least one additional image sensor is provided and the light-imaging mechanism includes a beam-splitter and/or an optical switch, where at least one adaptive lens is provided for adapting the fields of vision of the image sensors. As a result, an apparatus is created for endoscopic 3D data collection that is suitable for various types of image sensors.

Abstract: A capsule type endoscope which is introduced into a subject to acquire subject internal information and transmits the acquired subject internal information to the outside through the subject has a plurality of electrodes arranged on an outer peripheral surface thereof. An electrode selecting section selects two electrodes with a small transmission power loss from the plurality of electrodes as transmitting electrodes that are utilized to transmit the subject internal information. A transmitting section uses the two transmitting electrodes selected by the electrode selecting section to transmit the subject internal information to the outside of the subject.

Abstract: A medical system includes an endoscope which is a first medical instrument, a gas supply apparatus which is a second medical instrument that supplies a gas to an insertion site at which an insertion portion of the endoscope is inserted, a biological information acquiring apparatus which is a biological information detection section that detects a blood flow rate at the insertion site as a biological information detected value, a manipulation information acquiring apparatus which is a manipulation information detection section that contacts the insertion portion of the endoscope and is combined with a roller that rotates as the insertion portion moves forward or backward to detect an amount of rotation of the roller as manipulation information, and a system control apparatus provided with a control section that outputs an instruction signal for changing an amount of gas supply to the gas supply apparatus according to the detected value detected by the biological information acquiring apparatus and the manipula

Abstract: There is provided a living body observing apparatus capable of reducing time period to be spent on observation of a subject in a living body. The living body observing apparatus of the invention includes: illumination means including one or a plurality of semiconductor light emitting elements for emitting illumination light to illuminate a subject; image pickup means for picking up an image of the subject illuminated by the illumination light emitted from the illumination means, and outputting the picked-up image as an image pickup signal; color separation means for separating the image of the subject into red, green, and blue components; and image processing means for performing a predetermined processing on the image pickup signal outputted from the image pickup means, and outputting the processed image pickup signal as a video signal to display the image of the subject on display means.

Abstract: There is provided an endoscope capable of observing cells at a desired position existing in the depth direction with a simple structure as compared to the conventional configuration. The endoscope includes an insert unit to be inserted into a biological body, a low-scaling observation system for observing an observation position in a biological body with a low scaling, and a high-scaling observation system for observing a target position of the aforementioned observation position as a local position with a high scaling. The high-scaling observation system includes a plurality of illumination units for applying illumination light for high-scaling observation of the target position. The illumination units are arranged at predetermined positions of the end face of the insert unit.

Abstract: A video endoscope comprises an elongate shaft having a longitudinal axis, and a handpiece at the proximal end of the shaft, a distal end of the shaft being provided with a lens and, in the proximal direction from the lens, with an electronic image pickup. The image pickup is connected, via an electrical connection extending along the shaft, to an electrical connector piece arranged on the handpiece. The image pickup and the connector piece can rotate relative to each other about the longitudinal axis of the shaft. The electrical connection comprises at least one flexible, elongate circuit board, which is able to twist about its longitudinal direction and has at least one conductor track.

Abstract: An electric bending endoscope includes an elongate insertion portion provided with a bending portion, a drive unit, and an operation unit, wherein the drive unit and the operation unit respectively include a drive unit side electric contact portion and an operation unit side electric contact portion configured to be coupled to and separated from each other by moving the drive unit and the operation unit close to and apart from each other in a coupling and separation axial direction, and the drive unit and the operation unit includes a lock mechanism configured to lock and unlock the drive unit and the operation unit to and from each other with respect to the coupling and separating axial direction.

Abstract: An endoscope system of the present invention includes an image pickup section that picks up an image of an object, a position detection section that detects a position indicating a predetermined object in the image of the object obtained by the image pickup section and a probability calculation section that calculates a probability value as a degree indicating accuracy of the position being the predetermined object using first information obtained from the image and second information on a condition of the object whose image is picked up by the image pickup section.

Abstract: An electronic endoscope has a light guide for leading a light and a solid-state image sensor for capturing an image of a human body cavity during illumination. In inspecting the number of broken optical fibers in the light guide, a cap is attached to a distal portion of the electronic endoscope. The cap has a test chart. The solid-state image sensor captures an image of the test chart which is illuminated with the light transmitted through the light guide. A photometric circuit calculates an average luminance value “Y” of the test chart from a chart image signal. A broken fiber number calculator calculates the number “N” of broken optical fibers that satisfies N=M×(1?Y/I). “Y” represents an average luminance value of the test chart. “I” represents an ideal average luminance value when all optical fibers are conducting, and “M” represents the total number of the optical fibers.

Abstract: An inter-image calculation portion includes a switch circuit made up of three switch portions for switching each of three image data (R, G, B) from a 3-board processing portion, a first divider, a second divider, a first adder, a second adder, a first LUT, a second LUT, a first clip portion, and a second clip portion. The inter-image calculation portion executes addition processing of two different fluorescent images with two different wavelength bands and division processing the two different fluorescent images with two different wavelength bands and then it executes addition processing which adds the addition results and the division results of the two different fluorescent images with two different wavelength bands or it executes subtraction processing which subtracts the addition results from the division results of the two different fluorescent images with two different wavelength bands.