Patents Assigned to JMS Co., Ltd.
  • Patent number: 9433421
    Abstract: A surgical tool has a body including a pair of legs, each leg having a leading edge and a butt end. The pair of legs are connected at their butt ends, wherein the pair of legs are configured to come close and depart at the leading edges. A deformable connecting member connects the pair of legs to one another at the leading edges.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: September 6, 2016
    Assignees: JMS CO., LTD., YAMAGUCHI UNIVERSITY
    Inventors: Tomio Ueno, Koji Suzuki, Hideyasu Miyahara
  • Publication number: 20160235906
    Abstract: A blood reservoir (20) for storing blood includes a first storage section (21), a second storage section (22), and a third storage section (23) that is provided between the first storage section and the second storage section, and communicates with the first storage section and the second storage section. A volume of the blood reservoir (20) can be adjusted by changing the amount of expansion or contraction of a bellows structure (28) using a bellows adjustment mechanism (83, 93).
    Type: Application
    Filed: August 21, 2014
    Publication date: August 18, 2016
    Applicants: JMS CO., LTD., JIMRO CO., LTD.
    Inventors: Hiroaki TAKUWA, Satoshi HIRAI, Yoshiki TANAKA, Shuji NAKAMURA, Katsuyuki SADO, Kenta KANEDA
  • Patent number: 9345643
    Abstract: A first male member (110) and a tubular portion (30) are in communication via first to third holes (21 to 23). A liquid channel (211) and a gas channel (212) of the second male member (210) are in communication with the tubular portion. First to third channels (41 to 43) are formed in a stopcock (40). The stopcock can switch between a first rotation position at which the first channel puts the first hole and a syringe connection portion (32) of the tubular portion in communication, and a second rotation position at which the first channel puts the liquid channel and the syringe connection portion in communication. When the stopcock is at the second rotation position, the second hole and the gas channel are in communication via the second channel, and the first male member and an inner cavity (45) of the stopcock are in communication via the third hole and the third channel.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: May 24, 2016
    Assignee: JMS Co., Ltd.
    Inventor: Tadashi Okiyama
  • Patent number: 9283366
    Abstract: A medical port includes a disc-shaped valve 1 in which an insertion hole is formed in a central portion 1a, a base seat 7 that supports the valve from a lower surface side, and a cover 2 that has a fitting hole exposing an upper surface of the central portion of the valve and covers at least a peripheral edge of the valve from the upper surface side, the fitting hole being formed so that when an inserting body has been inserted into the insertion hole, a fit between the inserting body and the fitting hole can cause the inserting body to be locked against the cover. An annular protrusion 1d is formed in the valve 1, the annular protrusion being continuous in the circumferential direction, and formed in the valve 1 so that in the state in which the inserting body is locked against the cover, the annular protrusion is in contact with an outer circumferential surface of a leading end portion of the inserting body.
    Type: Grant
    Filed: August 28, 2009
    Date of Patent: March 15, 2016
    Assignee: JMS Co., Ltd.
    Inventors: Tadashi Okiyama, Hitoshi Tachizaki
  • Patent number: 9265882
    Abstract: A hub can be displaced between an initial position at which the hub is located on a front end side of an inner cavity of a shield and an inner needle penetrates an outer needle and a retracted position at which the hub is located on a rear end side of the inner cavity of the shield and the inner needle is housed within the inner cavity of the shield. A stopper includes an insertion portion that is inserted into the inner cavity of the shield and a base portion that is located on a rear end of the insertion portion. The base portion includes a roof portion that exposes part of an outer circumferential face of a tube connected to the hub and covers the remainder thereof, and a pair of grasping portions that are arranged to sandwich the tube and can be elastically displaced so as to grip the tube.
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: February 23, 2016
    Assignee: JMS CO., LTD.
    Inventor: Toru Ito
  • Patent number: 9227012
    Abstract: The medical needle device includes: a shield 4 including a substantially cylindrical portion 4a; a tube 13; a first hub 2 that is inserted into an inner bore of the shield movably in an axial direction. The rear end of the first hub 2 is connected with the tube 3. A rigid needle 1 is fixed to a front end portion of the first hub; and a hub movement controlling member 14 that is attached to the shield detachably. The hub movement controlling member 14 includes: a stopper portion 14a that can be inserted from the rear end side of the shield into an inner bore of the shield exsertably.
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: January 5, 2016
    Assignee: JMS Co., Ltd.
    Inventors: Ryoji Fujii, Kenji Sawa, Raita Uematsu
  • Publication number: 20150366758
    Abstract: A vial shield (1) has a shield main body (10) and a valve element (20). The shield main body (10) includes an annular top plate (11) that is to be laid on top of an upper surface of a stopper (86) that seals a mouth (83) of the vial bottle (80), a plurality of legs (15) extending downward from the top plate (11), and a plurality of claws (16) provided in the plurality of legs (15), the claws being engageable with the mouth (83) of the vial bottle (80). The valve element (20) blocks an opening at the center (12) of the top plate (11). A cut (22) passing through the valve element (20) in a vertical direction is formed in the valve element (20).
    Type: Application
    Filed: December 24, 2013
    Publication date: December 24, 2015
    Applicant: JMS CO., LTD.
    Inventors: Yusuke NOGUCHI, Masahiko TAKEUCHI
  • Patent number: 9089638
    Abstract: A medical needle device includes a hub having an injection needle fixed at a top end thereof, and a substantially cylindrical sheath which is fit on the hub and having a pair of wings mounted on both sides thereof. The pair of wings are bent along the both sides of the sheath, overlapped and held together at a time of puncturing so that an inner peripheral surface of the sheath strongly presses an outer peripheral surface of the hub, thereby preventing movement of the hub caused by transfer of the hub relative to the sheath both in a rotational direction and a longitudinal direction. sheath has a plurality of protrusions provided on the inner peripheral surface thereof in a circumferential direction, the protrusions being spaced out from each other; and the outer peripheral surface of the hub abuts the protrusions.
    Type: Grant
    Filed: September 18, 2007
    Date of Patent: July 28, 2015
    Assignee: JMS CO., LTD.
    Inventors: Takafumi Kiyono, Takayuki Ohno, Takahide Nakanishi, Toru Fukushima, Eiji Sanada
  • Patent number: 9011678
    Abstract: The present invention provides a blood purification apparatus and a blood purification circuit, by which a circuit can be shared by different modes for performing respective continuous blood purification methods, a structure of the apparatus performing the continuous blood purification methods can be simplified, and CHF, CHD, CHDF, and ECUM can be performed.
    Type: Grant
    Filed: January 29, 2007
    Date of Patent: April 21, 2015
    Assignee: JMS Co., Ltd.
    Inventors: Junya Fujii, Shigeki Kawarabata
  • Patent number: 8993321
    Abstract: A blood storage container suitable for quick and efficient production of a large amount of serum while ensuring high safety, and a method of separating blood and a regenerative medical process using the same are provided. A blood component separation storage apparatus is provided for separating a plurality of blood components of blood so as to be stored therein. The blood component separation storage apparatus includes a blood reservoir for holding the blood and a component storage part connected to the blood reservoir aseptically and in an air-tight manner. The blood reservoir contains an anticoagulant which suppresses coagulation of the blood. The blood reservoir has a serum producing function to remove coagulation factors from the blood to an extent enabling use in practical applications as a serum, and the component storage part stores each blood component generated by separation of the blood in the blood reservoir.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: March 31, 2015
    Assignee: JMS Co., Ltd.
    Inventors: Koji Suzuki, Junya Fujii, Mari Takabatake, Seishin Tanaka, Ken Kondo
  • Patent number: 8974425
    Abstract: A male member (1) includes a tubular member (10) and a cover (20) covering at least a tip (11) of the tubular member. A lateral hole (14) that communicates with a flow path (13) is formed in an outer peripheral surface of the tubular member. The cover includes an outer peripheral wall (21) that can be deformed elastically by compression and a head part (23) that is provided at one end of the outer peripheral wall. The head part includes an interior cavity (24) into which the tubular member is inserted, and a slit (25) is formed in an innermost part (24a) of the interior cavity. In a state where the outer peripheral wall is not deformed by compression, an inner peripheral surface of the interior cavity contacts closely with the outer peripheral surface of the tubular member so as to block the lateral hole, and the tip of the tubular member and the innermost part of the interior cavity are spaced apart from each other.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: March 10, 2015
    Assignee: JMS Co., Ltd.
    Inventors: Hitoshi Tachizaki, Tadashi Okiyama
  • Patent number: 8920378
    Abstract: When a hub (40) is in an initial position at which it is located on the front end side of an inner cavity of a shield (20), an inner needle (50) penetrates an outer needle (30) and protrudes from a leading end of the outer needle to the outside, and when the hub is in a retracted position at which it is located on the rear end side of the inner cavity of the shield, the inner needle is housed within the inner cavity of the shield. A first side hole (31) is formed in an outer circumferential face of the outer needle, and a second side hole (51) is formed in an outer circumferential face of the inner needle.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: December 30, 2014
    Assignee: JMS Co., Ltd.
    Inventors: Toru Ito, Ryoji Fujii
  • Patent number: 8911405
    Abstract: An inner hub (9) with a needle attached to a tip thereof is housed in a cylindrical body (2). The inner hub (9) includes a through-hole (22) penetrating the inner hub (9) in a radial direction of the inner hub (9), and a recessed portion (23a) formed in an outer circumferential surface (23) of the inner hub (9). An opening of the through-hole (22) and the recessed portion (23a) are connected together in a circumferential direction of the inner hub (9). A liquid flowing out from the opening of the through-hole (22) is limited so that the liquid flows along the recessed portion (23a), and the flow of the liquid moving in the circumferential direction of the inner hub (9) is promoted. As a result, the removal of air bubbles in the circumferential direction of the inner hub (9) is promoted, whereby air bubbles can be prevented from remaining on the outer circumferential surface (23) of the inner hub (9).
    Type: Grant
    Filed: November 18, 2010
    Date of Patent: December 16, 2014
    Assignee: JMS Co., Ltd.
    Inventors: Toru Ito, Mamoru Kohno, Ryoji Fujii
  • Patent number: 8877063
    Abstract: A blood circuit capable of automatically performing priming for safe treatments. The blood circuit includes: a hemofilter (56) purifying blood; a blood removal line that has an end connected to an inlet of the hemofilter (56) and that includes a first blood removal line (84), a second blood removal line (88), and a third blood removal line (89); a blood return line that has an end connected to an outlet of the hemofilter (56) and that includes the first blood return line (92) and the second blood return line (94); and an anticoagulant (bypass) line (90) reducing a difference between (a) a pressure of a priming fluid flowing in the blood removal line and (b) a pressure of the priming fluid flowing in the blood return line.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: November 4, 2014
    Assignee: JMS Co., Ltd.
    Inventors: Shigeki Kawarabata, Noriaki Nakagawa, Junya Fujii, Shogo Kamito
  • Patent number: 8858532
    Abstract: A medical connector structure configured in such a manner that a first member body which constitutes a connector base and a second member body which consists of a different material from the first member body are formed by two-color injection molding. The first member body is a tube body which has a connector-side section having a structure connected to a mating section, and also has a tube-side section having on the surface thereof projections and recesses. The second member body is a tube body which allows a raw material to be filled into the portion in which the projections and recesses are provided and into which a raw material is filled so as to allow a tube body to be inserted. The tube-side section and the tube body are adhered together.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: October 14, 2014
    Assignee: JMS Co., Ltd.
    Inventors: Masahiro Tsunematsu, Yuma Hayashi, Takehiko Yuki
  • Patent number: 8814541
    Abstract: An impeller is provided with a rotating shaft rotatably supported at the upper and lower ends thereof by an upper bearing and a lower bearing, a plurality of vanes connected to the rotating shaft on the inner circumferential edge side thereof, an annular coupling portion connecting outer circumferential edges of the vanes, and driven magnet portions provided in a lower portion of the annular coupling portion. The rotation of a rotor is transmitted to the impeller through magnetic coupling between the driven magnets and drive magnets provided to the rotor. The upper edge of each of the vanes has a bend point, and an angle ? formed by a peripheral upper vane edge and an angle ? formed by a central upper vane edge relative to the downward direction of the rotating shaft are both acute angles and have a relationship of ?<?. An inner wall surface of a housing in a region opposed to the upper edge of the vane has a shape following the upper edge of the vane.
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: August 26, 2014
    Assignee: JMS Co., Ltd.
    Inventor: Masayoshi Omori
  • Patent number: 8803010
    Abstract: A weight measuring apparatus can ensure safety even if a trouble or deterioration of measurement accuracy occurs. The weight measuring apparatus (10) measures a weight of fluids and includes the followings. A first arm (110) has a first fitting (111) to fit a supply fluid container (20). A second arm (120) is connected to the first arm (110) and has a second fitting (121) to fit a filtrate container (30). A third arm (130) is connected to the second arm (120). A first measuring device (220) measures, as a first total weight, a total weight of the supply fluid container (20) and the filtrate container (30) based on a change of the second arm (120). A second measuring device (230) measures, as a second total weight, the total weight based on a change of the third arm (130). An alarm (300) alarms, when the first and second total weights have different values having a difference equal to or greater than a predetermined value.
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: August 12, 2014
    Assignee: JMS Co., Ltd.
    Inventors: Junya Fujii, Shogo Kamito, Masaki Furukoshi
  • Patent number: 8796017
    Abstract: A blood storage container suitable for quick and efficient production of a large amount of serum while ensuring high safety, and a method of separating blood and a regenerative medical process using the same are provided. In a blood component separator 1 for separating collected blood into a plurality of blood components and preserving them, the separator 1 including a blood reservoir 10 for reserving the blood and a component storage part 20 aseptically connected in an air-tight manner to this blood reservoir 10, to the aforementioned blood reservoir 10 being imparted a serum producing function to remove coagulation factors from the blood to an extent enabling use in practical applications as a serum, and the aforementioned component storage part 20 storing each blood component generated by separation of the blood in the blood reservoir 10.
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: August 5, 2014
    Assignee: JMS Co., Ltd.
    Inventors: Koji Suzuki, Junya Fujii, Mari Matsuura, Seishin Tanaka, Ken Kondo
  • Publication number: 20140147916
    Abstract: Provided is a cell cryopreservation container which is provided with a plurality of storage chambers and enables efficient storage of cells in a definite capacity. The cell cryopreservation container (1) comprises a plurality of storage chambers (2), dividing areas (3), and communicating parts (4), wherein a front face part (11) is formed in one side in a third direction (TD) while a back face part (12) is formed in the other side in the third direction (TD). In the cell cryopreservation container (1), the front face part (11) has a convex and concave shape configured of the storage chambers (2) projecting toward one side in the third direction (TD) while the back face part (12) has a planar shape, and the length in a first direction (WD) of the dividing areas (3) exceeds the length in the first direction (WD) of the storage chambers (2).
    Type: Application
    Filed: June 8, 2012
    Publication date: May 29, 2014
    Applicant: JMS CO., LTD.
    Inventor: Satoshi Hirai
  • Patent number: 8721617
    Abstract: A liquid component collecting device capable of more easily collecting a liquid component. A liquid component collecting device (100) is provided with: a flexible cylindrical liquid component storage container (21) having an opening at one end thereof; a cylindrical first housing container (22) for housing the liquid component storage container (21) and having an opening at one end thereof; and a first cap (23) connected to the opening in the liquid component storage container (21) and fitted to the opening in the first housing container (22). A pressure regulating space (26) independent of the internal space of the liquid component storage container (21) is formed between the outer side of the liquid component storage container (21) and the inner side of the first housing container (22).
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: May 13, 2014
    Assignee: JMS Co., Ltd.
    Inventors: Masayoshi Omori, Seishin Tanaka, Yasunori Okamoto