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    PRE-SLIT INJECTION SITE
    74.
    发明专利
    PRE-SLIT INJECTION SITE 未知

    公开(公告)号：CA2042372A1

    公开(公告)日：1991-04-24

    申请号：CA2042372

    申请日：1990-10-22

    Applicant: BAXTER INT

    Inventor： DUDAR THOMAS E ,  JEPSON STEVEN C ,  DOBBIE ROBERT P ,  GRAHAM PETER L ,  FINLEY MICHAEL J ,  ROLLINS RICHARD A

    IPC: A61M39/02 ,  A61J1/00 ,  A61J1/05 ,  A61J1/10 ,  A61J1/14 ,  A61J1/20 ,  A61M5/00 ,  A61M5/162 ,  A61M25/00 ,  A61M25/02 ,  A61M37/00 ,  A61M39/00 ,  A61M39/04 ,  A61M39/14

    Abstract: A pre-slit injection site (710) includes a housing (712) with a flow path (728) therethrough. A first end (714) of the housing (712) carries a pre-slit septum (718). A second end (716) of the housing carries a coupling component (736) to adapt the site to standard vials. The coupling component (736), a vial adapter, includes an adapter spike (752) with openings (758) allowing for the drainage of fluid in the vial through the spike (752) and into the injection site (710). The vial adapter (736) is provided with a skirt housing unit (734, 744) which protects the adapter spike (752) in manufacturing and use. The skirt housing unit (734. 744) also provides features to lockingly engage the adapter (700) with injection site (710) to standard vials, despite dimensional variations in vial closures. Another embodiment of the coupling component (814) is a spike (816) having a barb feature (818) capable of insertion into a standard vial or port and resisting disengagement. A blunt cannula (730) is usable with the injection site (710) combined with the coupling components (736, 814).

    Needleless connector
    75.
    发明专利
    Needleless connector 未知

    公开(公告)号：AU745426B2

    公开(公告)日：2002-03-21

    申请号：AU4952299

    申请日：1999-05-20

    Applicant: BAXTER INT

    Inventor： JEPSON STEVEN C ,  DUDAR THOMAS E ,  MONTANEZ RODRIGO A ,  BINDOKAS ALGIRDAS J ,  FINLEY MICHAEL J ,  WHITE JASON J ,  SUMMERS CAMILLE ,  DING Y SAMUEL ,  DANIELS LEWIS E

    IPC: A61M39/02 ,  A61M5/14 ,  A61M39/04

    Abstract: A needless connector is provided which utilizes a resealable preslit septum valve. The valve is resiliently restrained relative to a housing with the valve and housing configured to accept a standard male luer lock having a luer tip which penetrates the valve through the opening to extend within the housing and a luer locking flange of the luer lock extending about the housing. The valve includes a disk shaped upper portion covering the opening, a lower portion spaced from the housing and extending downward from the disk shaped portion into a passageway defined by the housing, and an annular skirt to attach the septum to the housing. The connector exhibits satisfactory leak pressure after multiple connections and disconnects to the luer lock fitting and long periods of indwell of the luer tip.

    PRE-SLIT INJECTION SITE AND TAPERED CANNULA
    76.
    发明专利
    PRE-SLIT INJECTION SITE AND TAPERED CANNULA 未知

    公开(公告)号：CA2049063C

    公开(公告)日：2001-10-02

    申请号：CA2049063

    申请日：1990-04-04

    Applicant: BAXTER INT

    Inventor： JEPSON STEVEN C ,  DUDAR THOMAS E ,  SHEPHERD DAVID J ,  MINAILO MICHAEL ,  NOBLITT BRENT ,  GORDON MARK G

    IPC: A61M5/158 ,  A61J1/00 ,  A61J1/05 ,  A61J1/10 ,  A61J1/14 ,  A61J1/20 ,  A61M5/14 ,  A61M5/162 ,  A61M5/36 ,  A61M39/02 ,  A61M39/04 ,  A61M39/10 ,  A61M39/14

    Abstract: A pre-slit infection site (34) includes a housing (40) with a flow path therethrough. A first end (42) of the housing (40) carries a pre-slit septum (52). One form of a blunt cannula (98), usable with the injection site (34), carries a locking member (100). When the pre-slit injection site (34) slidabiy receives the blunt cannula (98), the locking member (100) latches to the infection site (34) and creates a mechanically coupled unit. Another form of the cannula (280) includes a tube having a tapered distal end region (298) and having elongate discharge slots (294) for reducing contact surface area and for directing the flow laterally out of the cannula. The cannula may also include a rounded lead post (330), an annular barb (394), and axially oriented grooves (268). A blood sampling system utilizing an in-line pre-slit injection site (492) and a shielded blunt cannula (512). An adapter for transferring fluids from a syringe with a blunt cannula to an evacuated tube, including a pre-slit infection site (554) and a shroud covered needle (556) with a rubber sleeve.

    79.
    发明专利
    未知

    公开(公告)号：BR9306855A

    公开(公告)日：1998-12-08

    申请号：BR9306855

    申请日：1993-08-06

    Applicant: WEST CO ,  BAXTER INT

    Inventor： YATSKO THOMAS ,  OLIVAS JEROME DELEON ,  DUDAR THOMAS E ,  BUSH EDWARD F VANDER ,  CONARD WILLIAM A ,  JEPSON STEVEN C

    IPC: B65D51/18 ,  A61J1/00 ,  A61J1/05 ,  A61J1/14 ,  A61J1/20 ,  B65D51/00 ,  B65D51/22

    Abstract: Disclosed is a stopper for use with containers to provide needleless access to the container with a cannula having a blunt penetrating tip. Also disclosed is a system comprising the stopper, container and cannula. The stopper includes a disc having an upper face and a lower face, and a plug extending from the disc into the container. Also included is a diaphragm, defined by a target region in the upper face and a cross channel in the disc for controlling the force needed to penetrate the stopper with the cannula. The plug includes a first inward surface for guiding the cannula and a second inward surface for engaging the cannula to minimize wetting of the outside of the cannula. In a preferred embodiment, the first surface extends down from the cross channel on the lower side of the disc, radially outwardly to a maximum diameter and the second inwardly facing surface extends down from the first surface radially inwardly to a minimum diameter to form the cannula seal. Also shown is a centrally located piercing point positioned to pre-slit the diaphragm. An overcap may be provided to alternatively have an axially aligned boss and bore positioned to pre-slit the diaphragm. In another embodiment, the invention includes an annular pre-slit disc formed of self sealing material and positioned to reduce spray back when inserting or removing the cannula.

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