Terumo Kabushiki Kaisha

Junichi Ogawa

Yoichiro Iwase

Kouichi Tachikawa

Hirotaka Ohashi

Kazunori Koiwai

Akira Kondo

Takato Murashita

Manabu Arinobe

Ruriko Iibuchi

Ryoji Kobayashi

Yusuke Yakushiji

Taeko Masuda

Yusuke Hyakkan

Takehiro Ura

Eri Oya

Yosuke Kurihara

Atsushi Ukai

Yoshikazu Kotani

A syringe assembly includes a plate-shaped seal member that seals a distal opening of a distal nozzle portion of a syringe; and a tubular cover member. The cover member has a base portion and a mounting portion. The mounting portion has two claw portions, two first column portions arranged on both sides of one of the two claw portions, and two second column portions arranged on both sides of the other of the two claw portions. An outer peripheral portion of the mounting portion has two outer peripheral notch portions. An inner peripheral portion of the mounting portion has two inner peripheral recessed portions.

Cap, syringe assembly and manufacturing method thereof

When at least a part of a shaft portion of a plunger is stored in a proximal end side storage portion of a storage tray, the proximal end side storage portion supports a syringe body and the plunger in a state in which the syringe body and the plunger cannot approach each other since a first contact portion comes into contact with a proximal end surface of a body flange and a second contact portion comes into contact with a distal end surface of a pressing operation portion, and the part of the shaft portion of the plunger is prevented from separating since protruding pieces come into contact with the part of the shaft portion of the plunger.

Prefilled syringe storage tray and package using the same

A plunger assembly of a drug solution dosage device includes a feed screw including a male thread portion and an extending portion, a first plunger including a first female thread portion, a second plunger including a nut accommodating portion, a nut member including a second female thread portion, and a base portion that guides the second plunger. The nut accommodating portion accommodates the nut member so that the nut member is non-rotatable and movable in an axial direction.

Plunger assembly, drug solution dosage device, and driving method of plunger assembly

A medical equipment package containing a plurality of prefilled syringe systems includes: a plurality of syringe packaging bodies, each comprising a packaging main body that accommodates one of the prefilled syringe systems; and an outer box that accommodates the plurality of syringe packaging bodies. Each prefilled syringe system includes: a prefilled syringe, a needle packaging body including: a needle unit that comprises a needle body configured to puncture a living body, and a needle hub that holds the needle body, and a needle unit case that accommodates the needle unit. The needle unit is supported with respect to the needle unit case such that a largest outer diameter portion provided on a tip end side of the needle hub engages with an inner surface of the needle unit case.

Medical equipment package

A liquid medicine administration device includes: a cylinder filled with a liquid medicine, a gasket located inside the cylinder; an advancing mechanism configured to advance the gasket in a distal direction; a drive mechanism including a motor configured to drive the advancing mechanism; a battery configured to supply power to the motor; and a control unit configured to control a rotational speed of the motor. In a first movement period that is an initial sliding period included in an advancing movement of the gasket in the cylinder, a cycle including one continuous rotation and one continuous stoppage of the motor is repeated two or more times.

Liquid medicine administration device and operation method thereof

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.

Injection needle assembly and medicine injection device

A syringe holder includes: a barrel body that holds a syringe; a holder opening; deformation promoting portions; and radial movement-restricting portions. The radial movement-restricting portions are provided close to the deformation promoting portions. Being brought into contact with first portions, the radial movement-restricting portions restrict the syringe from moving in a radial direction with respect to the barrel body.

Syringe holder and pharmaceutical liquid administration set

A prefilled syringe includes a syringe barrel including: a liquid drug discharge portion on a distal end of the barrel, and an opening on a proximal end of the barrel; a cap; a gasket located in the syringe barrel; a plunger including: a shaft portion inserted in the syringe barrel from the opening, and a pressing portion located on a proximal end of the shaft portion and configured to be manually pushed by a user, the plunger being movable toward a distal direction by pushing the pressing portion to slide the gasket toward the liquid drug discharge portion; a liquid drug; an upraised portion located on an inner wall of the syringe barrel between the gasket and the opening; and a clicker.

Prefilled syringe

A method of using a medicine injection device including a syringe filled with a medicine; a needle tube having a needle tip for puncturing the skin; 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 the living body is punctured with the needle tube; and an absorption part that is disposed in the skin contact portion of the needle hub. The method includes removing air from the medicine injection device prior to injection of the medicine, whereby medicine spilled from the needle tip is caught in the skin contact portion; the absorption part absorbing the spilled medicine staying in the skin contact portion; positioning the skin contact portion adjacent the skin; puncturing the skin with the needle tip; and injecting medicine from the needle tip into the skin.

A prefilled syringe includes: a syringe barrel including a syringe barrel body and an outer barrel; a cap; a gasket; and a plunger which allows the gasket to slide by pressing a press portion located on the base end of a shaft to discharge a drug solution inside the syringe barrel body. The outer barrel has a window and a mask which hides the inside of the outer barrel on a wall thereof. A part of the shaft has a mark which has a color different from the color of other parts of the plunger. The mark is covered with the mask and is not visually recognizable through the window before discharge of the drug solution. The outer peripheral surface of the mark is visually recognizable through the window along with movement of the plunger when the discharge of the drug solution is completed.

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.

Syringe and syringe assembly

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.

Drug administration instrument

Main body for intradermal injection device

Intradermal injection device

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.

Growing community of inventors

Yamanashi, Japan

Junichi Ogawa