Abstract: The invention provides a thermoplastic resin composition, a molded article, and production methods therefor. The thermoplastic resin composition can sufficiently exhibit a cellulose addition effect and impart excellent mechanical strength to the molded article, particularly a foam molded article. More specifically, the invention provides a resin composition and a foam molded article thereof. The resin composition contains: a cellulose fiber (A); an amorphous resin (B) having a glass transition temperature of 160° C. or lower; a crystalline resin (C) having a melting point (melting peak temperature) of 80° C. to 150° C. and a melting start temperature lower than the melting point by 30° C. or more; and a thermoplastic resin (D) having a melting point or a glass transition temperature higher than the melting point of the crystalline resin (C) by 5° C. or more.

Abstract: To provide a resin composition that allows the effect of cellulose fibers added to be exerted sufficiently and allows a molded body having good mechanical strength to be produced, a method for producing the resin composition, a cellulose fiber composition, and a molded article using the resin composition. The resin composition of the present invention contains: an olefin-based polymer (A); cellulose fibers (B); an amide compound (C) having at least one hydrocarbon group; and an acrylic-based polymer (D) that contains a first structural unit based on an alkyl (meth)acrylate and a second structural unit based on an acrylic monomer having an amido group and has a weight average molecular weight of 5,000 to 100,000.

Abstract: A capsule endoscope system includes: a capsule endoscope configured to be introduced into a subject and having a magnetic field response unit configured to respond to a magnetic field and having an imaging unit configured to image an object; a magnetic field generating unit configured to generate the magnetic field to guide the capsule endoscope; an input unit configured to input commands for changing at least one of a position and a posture of the capsule endoscope; a setting unit configured to set a reference distance between the imaging unit and the object; a detection unit configured to detect a distance between the object and the imaging unit; and a magnetic field controller configured to control the magnetic field generating unit to generate the magnetic field based on the distance and the commands while a difference between the distance and the reference distance is maintained within a certain range.

Abstract: A capsule endoscope system includes: a capsule endoscope configured to be introduced into a subject and having a magnetic field response unit configured to respond to a magnetic field and having an imaging unit configured to image an object; a magnetic field generating unit configured to generate the magnetic field to guide the capsule endoscope; an input unit configured to input commands for changing at least one of a position and a posture of the capsule endoscope; a setting unit configured to set a reference distance between the imaging unit and the object; a detection unit configured to detect a distance between the object and the imaging unit; and a magnetic field controller configured to control the magnetic field generating unit to generate the magnetic field based on the distance and the commands while a difference between the distance and the reference distance is maintained within a certain range.

Abstract: The present invention provides a fiber-reinforced resin composite as a fiber-reinforced resin composite (E) including a fiber-reinforced resin (C), which contains a reinforcing fiber (A) and a matrix resin (B), and a reinforcing material (D), in which the reinforcing material (D) contains a cellulose nanofiber (F), and the cellulose nanofiber (F) is obtained by micronizing cellulose in a fibrillated resin (G), and provides a reinforced matrix resin for the fiber-reinforced resin. The present invention also provides a fiber-reinforced resin composite in which the cellulose nanofiber (F) is a modified cellulose nanofiber (F1) that is obtained by micronizing cellulose in the fibrillated resin (G) and then reacting the cellulose with a cyclic polybasic acid anhydride (J).

Abstract: A capsule endoscope system includes: a capsule endoscope configured to be introduced into a subject; a guiding unit that generates a magnetic field to guide the capsule endoscope; a guidance magnetic field control unit that switches between ON and OFF of the magnetic field; a body posture discriminating unit that discriminates a body posture of the subject; a model extracting unit that extracts a body posture model according to the body posture of the subject, from among prepared body posture models, and extracts an organ model according to the body posture of the subject, from among prepared organ models; and a display control unit configured to: superimpose the organ model according to the body posture of the subject, on the extracted body posture model when the magnetic field is ON; and display the extracted body posture model and to hide the organ model when the magnetic field is OFF.

Abstract: A guidance device includes: a permanent magnet; an accommodating portion; a shielding member configured to shield the magnetic field generated by the permanent magnet; a supporting mechanism configured to support the permanent magnet between a first position and a second position; a driving unit configured to operate the supporting mechanism upon receiving an electric power supply; and a shielding member moving mechanism configured to move the shielding member between a shielding position and a non-shielding position in conjunction with an operation of the supporting mechanism causing the permanent magnet to move in a vertical direction. When the electric power supply to the driving unit stops, the shielding member moving mechanism moves the shielding member to the shielding position in conjunction with an operation of the supporting mechanism causing the permanent magnet to move to the first position.

Abstract: A capsule endoscope system includes: a capsule endoscope configured to be introduced into a subject; a guiding unit that generates a magnetic field to guide the capsule endoscope; a guidance magnetic field control unit that switches between ON and OFF of the magnetic field; a body posture discriminating unit that discriminates a body posture of the subject; a model extracting unit that extracts a body posture model according to the body posture of the subject, from among prepared body posture models, and extracts an organ model according to the body posture of the subject, from among prepared organ models; and a display control unit configured to: superimpose the organ model according to the body posture of the subject, on the extracted body posture model when the magnetic field is ON; and display the extracted body posture model and to hide the organ model when the magnetic field is OFF.

Abstract: A guidance device applies a magnetic field to a capsule medical apparatus within which a first permanent magnet is arranged when the capsule medical apparatus is introduced into a subject, to guide the capsule medical apparatus within the subject. The guidance device includes a second permanent magnet that is configured to be disposed outside the subject and has a rectangular parallelepiped shape or a polygonal column shape, the second permanent magnet having a first plane containing a magnetization direction and a first direction orthogonal to the magnetization direction, and being configured to confine the capsule medical apparatus within a region facing the first plane. The second permanent magnet has a length in the first direction longer than a length in the magnetization direction.

Abstract: The present invention provides a fiber-reinforced resin composite as a fiber-reinforced resin composite (E) including a fiber-reinforced resin (C), which contains a reinforcing fiber (A) and a matrix resin (B), and a reinforcing material (D), in which the reinforcing material (D) contains a cellulose nanofiber (F), and the cellulose nanofiber (F) is obtained by micronizing cellulose in a fibrillated resin (G), and provides a reinforced matrix resin for the fiber-reinforced resin. The present invention also provides a fiber-reinforced resin composite in which the cellulose nanofiber (F) is a modified cellulose nanofiber (F1) that is obtained by micronizing cellulose in the fibrillated resin (G) and then reacting the cellulose with a cyclic polybasic acid anhydride (J).

Abstract: An object of the present invention is to actively control at least one of the position and direction of the imaging field in a subject and to observe a desired observed region in the subject certainly in a short period of time. A body-insertable device system according to the present invention includes a capsule endoscope 1 introduced into a subject and a permanent magnet 3. An imaging unit of the capsule endoscope 1 for taking an image inside the subject is fixed in a casing. The capsule endoscope 1 includes a drive unit for changing at least one of the position and posture of the casing in the liquid 2a which is also introduced in the subject 100. The permanent magnet 3 controls the operation of the drive unit for changing at least one of the position and posture of the casing in the liquid 2a.

Abstract: An indwelling apparatus (5) for holding a capsule endoscope (3) is arranged with a control device (57) including an optical sensor (73), a control board (66) configuring a controller and a reset circuit, a driver board (68) configuring an electromagnet driver, and an electromagnet (70), where when the optical sensor (73) detects the light, the controller performs the drive control of the electromagnet (70) at every constant time interval to turn ON the reed switch (14) and supply power to the capsule endoscope (3) thereby operating the capsule endoscope (3) only when observation is necessary, and thus the battery drain of the capsule endoscope is reduced.

Abstract: An object of the present invention is to actively control at least one of the position and direction of the imaging field in a subject and to observe a desired observed region in the subject certainly in a short period of time. A body-insertable device system according to the present invention includes a capsule endoscope 1 introduced into a subject and a permanent magnet 3. An imaging unit of the capsule endoscope 1 for taking an image inside the subject is fixed in a casing. The capsule endoscope 1 includes a drive unit for changing at least one of the position and posture of the casing in the liquid 2a which is also introduced in the subject 100. The permanent magnet 3 controls the operation of the drive unit for changing at least one of the position and posture of the casing in the liquid 2a.

Abstract: Provided is a capsule medical apparatus including a capsule body, a control member, and an observing member. The capsule body is to be introduced into a lumen of a subject. The control member controls a movement of the capsule body in the lumen by a flow of a fluid introduced in the lumen. The observing member is fixed inside the capsule body and observes a direction of the flow of the fluid and a direction different from the flow of the fluid according to the movement of the capsule body.

Abstract: An encapsulated endoscope system in accordance with the present invention comprises: an encapsulated endoscope that rotates to develop a thrust; a controller that moves the encapsulated endoscope in an intended direction of advancement; an imaging unit incorporated in the encapsulated endoscope; and an image processing unit that receives image data sent from the imaging unit, and produces an image, which results from rotation of the received image data, according to the rotational phase of the encapsulated endoscope.

Abstract: Using a guidance system with a simple configuration, propulsive motion along a longitudinal direction and changing of the propulsion direction are easily performed with good precision and stability. There is provided a capsule-type medical apparatus which is inserted into the body of a subject and is guided by an external magnetic field, the capsule-type medical apparatus comprising: a substantially cylindrical capsule; a propulsion mechanism for converting rotary motion about a longitudinal axis R of the capsule into propulsive motion along the longitudinal axis R; a magnet accommodated inside the capsule and disposed in such a manner that the magnetic-pole direction thereof can be switched between a direction along the longitudinal axis R and a direction intersecting the longitudinal axis R; and a securing portion for securing the magnet to the capsule in each of the switched states of the magnetic-pole direction.

Abstract: The present invention provides a method for manufacturing a cellulose nanofiber, characterized by comprising the step of fibrillating cellulose in a polyester based resin, preferably in a polyester based resin having an ester group concentration of 6.0 mmol/g or more and a cellulose nanofiber produced by the manufacturing method concerned. In addition, the present invention provides a masterbatch composition containing the cellulose nanofibers and the polyester based resin. Furthermore, the present invention provides a resin composition containing the masterbatch composition and a diluent resin and a processed product thereof.

Abstract: Provided is an intra-subject medical system which includes a body-insertable device and a physical quantity generator. The body-insertable device is to be introduced into a subject, is covered by a capsule-shaped exterior member, and includes a physical quantity detecting member which has a directivity to detect a predetermined physical quantity; at least one functional member which has a necessary function for examining or treating inside the subject; and a switch control unit which controls an on/off state or operation mode of the at least one functional member when the physical quantity detecting member detects a physical quantity. The physical quantity generator has a physical quantity emitting unit which emits a temporary physical quantity inside the subject; and a physical quantity direction changing unit which changes an emission direction of the physical quantity.

Abstract: An intra-subject observation system includes a first liquid inserted into a desired organ of a subject; and a second liquid inserted into the organ without being mixed with the first liquid due to a specific gravity lighter than that of the first liquid. The system also includes a capsule medical apparatus inserted into the organ with an intermediate specific gravity between the specific gravity of the first liquid and that of the second liquid to acquire intra-subject information, which is output out of the subject by radio.

Abstract: A body-insertable apparatus according to an aspect of the present invention is introduced into a subject to inject medical agent stored in a casing into a desired part in the subject. The body-insertable apparatus includes a fixing unit which fixes the casing to the desired part; and a projecting unit which projects, from the casing, an injection needle for injecting the medical agent. The fixing unit and the projecting unit are driven by a driving source.