Abstract: A liquid injector comprises a contact member comprising a tube body including an opening located at a distal end of the contact member; an inner structure body comprising: a cylindrical main body; and a hollow needle, wherein the inner structure body is movable to (i) a first position at which a needle tip is located proximal of the opening, and (ii) a second position at which the needle tip is located distal of the opening; and a regulating member detachably mounted on the inner structure body, including a fixing portion to be fixed to the contact member at the second position. When the inner structure body moves to the second position from the first position and returns to the first position again, the regulating member is fixed to the contact member with the fixing portion at the second position, separated from the inner structure body, and stays at a position at which the regulating member covers at least part of an area of the opening.

Abstract: Significant energy saving can be achieved for a distillation column even when the distillation column has a large column temperature difference. Provided is a distillation column including a first and second columns, wherein the first column includes a part of a rectifying section or a part of a stripping section; the second column includes, if the first column includes a part of the rectifying section, the rest of the rectifying section and the whole of the stripping section, or the second column includes, if the first column includes a part of the stripping section, the rest of the stripping section and the whole of the rectifying section; and the second column constitutes a mechanical-heat-pump distillation column.

Abstract: A drug administration instrument including a syringe including: a tubular surrounding periphery portion forming a drug chamber configured to store a drug; a discharge part disposed at a first axial end of the surrounding periphery portion; and a flange portion disposed at a second axial end of the surrounding periphery portion; and a sheath member having a tubular shape, surrounding an outer circumference of the surrounding periphery portion of the syringe, and holding the syringe. The sheath member includes a fitting part configured to support at least one of the surrounding periphery portion and the discharge part of the syringe.

Abstract: A syringe container includes a cylindrical syringe including a distal end portion having a discharge opening for discharging a liquid, a proximal end portion, and a side peripheral section connected to the distal end portion and the proximal end portion; an attachment member configured to be attached to the distal end portion and having an outer radius larger than an outer radius of the side peripheral section; a container body including a bottom portion and a peripheral wall portion extending upward from a periphery of the bottom portion; and a syringe holding section configured to be placed within the peripheral wall portion so as to face the bottom portion.

Abstract: A drug storage container includes: a first container; a second container that is disposed on the lower end side of the first container; a needle tube for making an internal space of the first container and an internal space of the second container communicate with each other; operating means for performing an operation of bringing the first container closer to the second container; a drug stored in the internal space; and a liquid stored in the internal space. In the drug storage container, with the first container and the second container brought closer to each other by the operating means, the internal space of the first container and the internal space of the second container are made to communicate with each other through the needle tube, and the volume of the internal space of the second container is reduced.

Abstract: A liquid injector comprises a contact member comprising a tube body including an opening located at a distal end of the contact member; an inner structure body comprising: a cylindrical main body; and a hollow needle, wherein the inner structure body is movable to (i) a first position at which a needle tip is located proximal of the opening, and (ii) a second position at which the needle tip is located distal of the opening; and a regulating member detachably mounted on the inner structure body, including a fixing portion to be fixed to the contact member at the second position. When the inner structure body moves to the second position from the first position and returns to the first position again, the regulating member is fixed to the contact member with the fixing portion at the second position, separated from the inner structure body, and stays at a position at which the regulating member covers at least part of an area of the opening.

Abstract: In a heat integrated distillation column (HIDiC), the product purity can be stably maintained against various disturbances. Provided is a method for controlling a distillation apparatus, which includes a high-pressure part including the whole or a part of a rectifying section and performing gas-liquid contact at a relatively high pressure; a low-pressure part including the whole or a part of a stripping section and performing gas-liquid contact at a relatively low pressure; a line for directing overhead vapor of the low-pressure part to a column bottom of the high-pressure part; a line for directing a column bottom liquid of the high-pressure part to a column top of the low-pressure part; and a heat exchange structure for transferring heat from the rectifying section to the stripping section, wherein the method includes controlling a flow rate of the column bottom liquid to be directed from the high-pressure part to the low-pressure part.

Abstract: A needle tube having a needle tip for puncturing skin; a needle hub; and a fluid-draining portion for enabling draining of a medicine. The needle hub includes: a retention part (first member) for retaining the needle tube; an insertion part into which the output portion of a syringe is inserted; and a flange-like skin contact portion that is disposed in a manner so as to cover an area surrounding the needle tube and makes contact with and/or faces the skin when a living body is punctured with the needle tube. The fluid-draining portion is disposed in the skin contact portion of the needle hub and enables a user to drain the medicine that has spilled when removing air and is held in the skin contact portion.

Abstract: A needle tube having a needle tip for puncturing skin; a needle hub; and an absorption part for absorbing a medicine. The needle hub includes: a retention part (first member) for retaining the needle tube; an insertion part into which the output portion of a syringe is inserted; and a flange-like skin contact portion that is disposed so as to cover an area surrounding the needle tube and that makes contacts with and/or faces the skin when a living body is punctured with the needle tube. The absorption part is disposed in the skin contact portion of the needle hub and absorbs medicine that has been spilled during air removal and is held in the skin contact portion so as to thereby prevent the medicine from attaching to or contacting the skin of a user.

Abstract: A drug storage container includes: a first container; a second container that is disposed on the lower end side of the first container; a needle tube for making an internal space of the first container and an internal space of the second container communicate with each other; operating means for performing an operation of bringing the first container closer to the second container; a drug stored in the internal space; and a liquid stored in the internal space. In the drug storage container, with the first container and the second container brought closer to each other by the operating means, the internal space of the first container and the internal space of the second container are made to communicate with each other through the needle tube, and the volume of the internal space of the second container is reduced.

Abstract: This syringe has an outer tube, a gasket, and a pusher. The pusher is provided with: a tubular holding part which covers at least a part of an outer surface of the outer tube and is movable relative to the outer tube in the longitudinal direction thereof; and a pressure part which is connected with the holding part, is inserted into the outer tube, and moves the gasket to the distal side of the outer tube by distally a movement of the holding part relative to the outer tube. In addition, between the holding part and the outer tube, a guide part is provided which guides the movement of the holding part relative to the outer tube.

Abstract: A medical instrument with attached needle includes a needle tube having a needle tip capable of piercing a living body and a needle holding member for fixing and holding a middle portion of the needle tube by high frequency welding so that the needle tip protrudes from one end and a proximal portion of the needle tube protrudes from the other end. It also has a seal member composed of an elastic member and provided on an outer circumference of the proximal portion of the needle tube so as to be liquid-tight, and a liquid containing member having a liquid chamber capable of containing a liquid therein. With the proximal portion of the needle tube communicating with the liquid chamber, the seal member is compressed by and clamped between the needle holding member and the liquid containing member.

Abstract: A drug storage container includes a storage bag formed of a sheet-shaped member and configured to store a drug therein and a measurement unit attached to said storage bag. The measurement unit is marked with a scale for measuring the drug left in said storage bag after discharging a portion of the drug from said storage bag. Further the measurement unit is formed of a tubular material having a hardness so as not to undergo deformation depending on the variation in amount of the drug left in the storage bag.

Abstract: A medical instrument with attached needle of the present invention includes: a needle tube having a needle tip capable of piercing a living body; and a seal member composed of an elastic member and provided to hold an outer surface of the needle tube in a liquid-tight manner in a condition where the needle tip protrudes from one end and a proximal portion on a side opposite to the needle tip protrudes from the other end. The instrument also has: a liquid containing section having a liquid chamber capable of containing a liquid therein; and a needle seating section formed at one end of the liquid containing section. The seal member is in contact with an inner surface of the needle seating section and is disposed within the needle seating section in a compressed state. The proximal portion of the needle tube communicates with the liquid chamber.

Abstract: Disclosed is a method of assembling a medicament injection device including the following steps: a step of integrally fixing a needle tube to a needle hub by high-frequency welding; a step of radiation sterilizing the needle tube and the needle hub; a step of subjecting a container to be filled with a medicament to a sterilization treatment which involves generation of heat; a step of aseptically transporting the needle hub which has been subjected to the radiation sterilization into an isolator device; a step of fixing the needle hub to the container in a sterile environment in the isolator device; and a step of filling the container fixing the needle hub with the medicament in the sterile environment.

Abstract: The wireless communication device includes: a receiving unit that receives radio waves emitted by a plurality of antennas of a base station, and transforms the radio waves into a signal; a signal processing unit that performs predetermined signal processing of the signal transformed by the reception unit; a detecting unit that detects a control channel in the signal processed by the signal processing unit; a field intensity calculation unit that calculates the field intensity for one period of the control channel in composite waves which periodically rotate; and a reception control unit that controls the reception unit so as to periodically receive the composite waves in the control channel on the basis of the calculation result calculated by the electric field intensity calculation unit.

Abstract: It is intended to uniform and straighten a molten steel stream flowing out of a discharge port of an immersion nozzle, and thus suppress mold powder entrapment in the vicinity of the immersion nozzle. The immersion nozzle comprises a tubular-shaped straight nozzle body formed to extend in a vertical longitudinal direction and adapted to allow molten steel from a molten-steel inlet provided at an upper end thereof to pass downwardly therethrough, and a pair of discharge ports provided in a lower portion of the straight nozzle body in bilaterally symmetrical relation and adapted to discharge the molten steel from a lateral surface of the straight nozzle body in a lateral direction.

Abstract: A prefilled syringe is configured so that, in order that a liquid medicine injected and administered into the upper layer part of skin is prevented from leaking out of the living body, a pressing section can be held in a position reached when it has been completely pressed in. A prefilled syringe 1 is provided with: a double-ended needle 3 having a needlepoint 9 which can be inserted into a living body; a needle hub 4 for holding the double-ended needle 3; an outer tube 2; a pressing section 22; a liquid medicine storage section 6 for storing a liquid medicine M; a holding section 8; and a sealing body 23. The liquid medicine storage section 6 is disposed within a tube hole 2a of the outer tube 2. The pressing section 22 operates the liquid medicine storage section 6 so that the liquid medicine storage section 6 can move in the axial direction of the tube hole 2a of the outer tube 2.

Abstract: A gasket configured so that a pusher having a male screw thread on the outer periphery of its tip is connected to the gasket through the male screw thread and so that the gasket slides within a syringe outer tube when the pusher is operated in the longitudinal direction. The gasket includes: a gasket body having a hollow section and a female screw thread in the inner peripheral section of the hollow section engaged by the male screw thread; and projections on the outer peripheral section of the gasket body extending circumferentially of the outer peripheral section and axially arranged in spaced relation to each other. When the gasket is not yet inserted into the syringe outer tube, a screw thread located in a portion on the inner side of and in direct proximity to the projection has a smaller height than a screw thread located in the remaining portion.

Abstract: It is intended to uniform and straighten a molten steel stream flowing out of a discharge port of an immersion nozzle, and thus suppress mold powder entrapment in the vicinity of the immersion nozzle. The immersion nozzle comprises a tubular-shaped straight nozzle body formed to extend in a vertical longitudinal direction and adapted to allow molten steel from a molten-steel inlet provided at an upper end thereof to pass downwardly therethrough, and a pair of discharge ports provided in a lower portion of the straight nozzle body in bilaterally symmetrical relation and adapted to discharge the molten steel from a lateral surface of the straight nozzle body in a lateral direction.