Abstract: A method of producing an optical connection component in which a surrounding of a plurality of bent glass fibers is integrally coated with resin. The method includes a step of preparing upper and lower molds for molding around a fiber array in which the plurality of glass fibers are arranged in a specified arrangement direction. The molds have two walls spaced apart from each other by a larger distance than the width of the fiber array. The method also includes a step of providing around the fiber array the molds such that each of the walls is disposed outside a corresponding one of two glass fibers that are included in the plurality of glass fibers and that are located at respective sides of the fiber array. The method also includes a step of supplying the resin into the molds.

Abstract: A surgical system includes a manipulator configured to move the distal end portion in a three-dimensional space with respect to the proximal end portion, an instrument holder configured to hold a surgical instrument that is continuous with the distal end portion of the manipulator and includes a long-axis shaft and a treatment tool provided on the distal end portion of the shaft in a posture in which the shaft extends in a reference direction D, and a swing mechanism interposed between the manipulator and the treatment tool and configured to swing the distal end portion of the shaft in the radial direction centered on the axis of the shaft extending in the reference direction.

Abstract: To provide an optical component that is intended to prevent the reduction in the manufacturing yield that may be caused by excessive grinding of the optical component. An optical component includes a plurality of optical fibers arranged in a row and having respective end faces that are inclined with respect to optical axes of the optical fibers, and a holder that holds the plurality of optical fibers. The holder has a first facet that is flush with the end faces of the plurality of optical fibers, a reflecting film that covers the end faces of the plurality of optical fibers excluding at least one end face, and a second facet that forms a transmitting surface for light reflected by one of or both a corresponding one of the covered end faces and the reflecting film.

Abstract: An arm main body moves a distal end portion with respect to the proximal end portion. A translation arm includes a proximal end side link. A distal end side link has a proximal end portion continuous with the proximal end side link distal end portion and pivots about a second axis parallel to a first axis and within a range. A translation arm drive unit causes the proximal end side link and the distal end side link to pivot with the translation arm drive unit driving force, and an instrument holder is continuous with the translation arm distal end portion and to hold a surgical instrument including a long-axis shaft and a treatment tool at the shaft distal end portion in a posture in which the shaft extends in the reference direction.

Abstract: A surgical system includes a plurality of instruments for performing a surgical operation, a platform, a plurality of manipulator arms having proximal end portions detachably attached to the platform and distal end portions, to each of which one of the plurality of instruments is detachably attached, and configured to movably support the instrument, and an attachment lock mechanism configured to lock and unlock each manipulator arm attached to the platform.

Abstract: A surgical system includes a platform, a plurality of manipulator arms coupled to the platform, an instrument attached to the distal end portion of each of the plurality of manipulator arms, and a positioner configured to support the platform so as to allow the posture of the platform to change from a horizontal posture.

Abstract: The present embodiment relates to a CMCF including a structure to achieve more efficient reduction in transmission loss by suppressing decrease in concentration of alkali metal due to diffusion of alkali metal. In the CMCF including a plurality of cores, a power coupling coefficient h between adjacent cores is set to 1×10?3/m or more, to maintain an optical coupling state between the adjacent cores. In addition, alkali metal contributing to reduction in transmission loss is added to each of the cores such that a stress maximum value ?_max between adjacent cores has a negative value.

Abstract: In a medical system including a medical imaging device and a robotic bed, the table may be movable between a first position where a maximum dimension of the robot arm not hidden under the table is less than one fourth of a longitudinal dimension of the table when the table is viewed from vertically above, and a second position where a maximum dimension of the robot arm not hidden under the table is one fourth of a longitudinal dimension of the table or more when the table is viewed from vertically above. The second position may be an imaging position or an imaging preparation position where an image is taken by the medical imaging device. The first position may be surgery position where a shortest distance between the robotic bed and a location of the medical imaging device is at least a predetermined distance.

Abstract: There is provided an optical component that, after an optical fiber having a bent portion is housed in the optical component, allows the end face of the optical fiber to be easily polished. The optical component includes an optical fiber, a retainer, and a supporter. The optical fiber includes a linear portion including an end face, a bent portion contiguous to the linear portion, and an extension portion on the opposite side from the linear portion with a bent portion interposed between the linear portion and the extension portion. The retainer retains the linear portion of the optical fiber. The supporter supports the extension portion from the end face. The retainer projects from the bent portion toward the end face.

Abstract: A robotized bed according to one or more embodiments may include a table for placing a patient, and a robot arm configured to support the table by a distal end, and including a base, a first movable element supported by the base and a second movable element coupled to the first movable element by a horizontally-rotating joint, wherein the robot arm is configured to move the table to a plurality of predetermined positions including a treatment position for a doctor to treat a patient, wherein the robotized bed is configured so that the robotic arm do not come in contact with the table, when the robot arm rotates the table while maintaining the table parallel to the horizontal plane.

Abstract: A coupled-core multi-core fiber in which an inter-core distance is stabilized is manufactured. A method of manufacturing a coupled-core multi-core fiber includes forming a second cladding base material by depositing glass particulates on an outer periphery of a first cladding base material and sintering the glass particulates. The first cladding base material has a hydroxyl group concentration that is less than or equal to 10 ppb; obtaining a ground rod by grinding an outer periphery of the second cladding base material; and forming holes in the first cladding base material in the ground rod, inserting a core base material into each of the holes, and obtaining an assembly.

Abstract: A robotized bed according to one or more embodiments may include a table for placing a patient, and a robotic arm supporting and moving the table, wherein the robotic arm includes a base, a plurality of joints and a plurality of actuators each of which drives each of the joints, wherein the robotic arm moves the table between an MRI scanning position for imaging a patient by an MRI apparatus or an MRI scanning preparation position which is different from the MRI scanning position, and a treatment position for a doctor to treat a patient, wherein the treatment position is a position located away from the MRI apparatus by a predetermined distance or more.

Abstract: A remote control apparatus may transmit, to a surgical manipulator, a movement type instruction to be executed by the surgical manipulator. The apparatus may comprise a movable operating handle positioned within an operation area. The movable operating handle may receive the movement type instruction. The apparatus may further comprise a support mechanism that supports and transforms the operating handle between a first posture in which the operating handle at a center position of the operation area is positioned and held at a first vertical position located at a height of 85 centimeters or more from a floor surface where the remote control apparatus is placed, and a second posture in which the operating handle is shifted down by 48 centimeters or more from the first vertical position to a second vertical position at which the operating handle at the center position of the operation area is positioned and held.

Abstract: There is provided a method for producing a multicore optical fiber while depressurizing holes in a common cladding tube. A production method for a multicore optical fiber includes a preform forming step of forming a common cladding tube having a plurality of holes extending between a first end and a second end, an end-face working step of digging the common cladding tube from the second end to a predetermined depth to forming a third end, a connection step of connecting a glass tube to the second end, an insertion step of inserting core rods into the holes to the third end, a sealing step of sealing the first end, and a drawing step of spinning the multicore optical fiber while depressurizing the holes through the glass tube and combining the common cladding tube and the core rods from the first end.

Abstract: There is provided a method for producing a multicore optical fiber while reducing the mass of a glass block to be connected to a common cladding tube. A production method for a multicore optical fiber includes in order, a preform forming step of forming a common cladding tube having a plurality of holes extending between a first end and a second end, an insertion step of inserting core rods in the holes in a state in which end portions of the core rods are recessed from the first end, a heat shrinkage step of reducing a diameter of the first end by heating, a sealing step of sealing the holes by connecting a glass block to the first end, and a drawing step of depressurizing insides of the holes from the second end and performing spinning from the first end while combining the common cladding tube and the core rods.

Abstract: The present embodiment relates to an MCF having a low transmission loss and having a structure for reducing a transmission loss and effectively suppressing an inter-core XT. The uncoupled MCF includes alkali metal having a predetermined concentration in which each of a plurality of cores contributes to reduction in the transmission loss, and a core pitch is set so that a sum h_total of power coupling coefficients of a specific core and the remaining all cores of the plurality of cores is 2.3×10?4/km or less.

Abstract: The present embodiment relates to a CMCF including a structure to achieve more efficient reduction in transmission loss by suppressing decrease in concentration of alkali metal due to diffusion of alkali metal. In the CMCF including a plurality of cores, a power coupling coefficient h between adjacent cores is set to 1×10?3/m or more, to maintain an optical coupling state between the adjacent cores. In addition, alkali metal contributing to reduction in transmission loss is added to each of the cores such that a stress maximum value ?_max between adjacent cores has a negative value.

Abstract: An operating table according to one or more embodiment may include that: a table on which to place a patient; a base buried or fixed to a floor; and an articulated robotic arm including first end supported on the base and a second end supporting the table, wherein the robotic arm includes at least one vertical joint, and a rotation axis of the vertical joint is positioned along a direction that is horizontal and substantially parallel to the longitudinal direction of the table.

Abstract: The embodiment relates to an optical connection component including a bent optical fiber having a bent portion including a region where a curvature of the bent portion is maintained at 0.4 [l/mm] or more while substantially no bending stress remains. The bent optical fiber comprises a core, a first cladding, a second cladding, and a third cladding. Based on the third cladding, a relative refractive index difference ?1 of the core, a relative refractive index difference ?2 of the first cladding, and a relative refractive index difference ?3 of the second cladding satisfy relationships of ?1>?2>?3 and ?3<?0.5[%]. The product V3 of the ?3 and a cross-sectional area S of the second cladding is less than ?200[%·?m2]. The curvature in the bent portion is 0.6 [l/mm] or less over an entire length of the bent portion.