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    • 23. 发明专利
    • Syringes, syringe tubing and fluid transfer systems
    • AU1816701A
    • 2001-06-18
    • AU1816701
    • 2000-12-06
    • MEDRAD INC
    • COWAN KEVIN PTROMBLEY FREDERICK W IIITROCKI MARKREILLY DAVID M
    • A61M5/178A61M5/14A61M5/145A61M5/38A61M5/00
    • A syringe includes a body and a plunger disposed therein. The body includes a nozzle formed therein and at least one hub member connected thereto or integrally formed thereon for holding an end of a connector tube. The connector tube includes two ends, each end preferably being connected to a respective hub member to retain the connector tube in contact with the syringe. Preferably, the syringe and the connector tube are packaged in a pre-connected condition for ease of use by the customer. Furthermore, flexible inlet tubing for connection to a syringe for filling the syringe with contrast media, for example, is described. The inlet tubing permits filling of the syringe from either a bag or a bottle and may remain attached to the syringe so that it forms at least a part of the connection to the patient. In addition, an apparatus for facilitating the purge of air from a connector tube that will ultimately be connected between a syringe and a patient is described. The apparatus includes a purging tube connected to the distal end of the connector tubing from the syringe. The purging tube includes a venting cap at its distal end. A flow inhibitor is positioned under the venting cap to cooperate with the venting cap by discouraging the discharge of fluid from the distal end of the purging tube while permitting the discharge of air therefrom.
    • 25. 发明专利
    • Film shot load magazine
    • GB2242285A
    • 1991-09-25
    • GB9024670
    • 1990-11-13
    • MEDRAD INC
    • COWAN KEVIN PLEWANDOWSKI STANLEY RREILLY DAVID MUBER III ARTHUR E
    • G03B42/04B65H1/00B65H3/06B65H7/04
    • A film sheet load magazine (10) holds a stack of superimposed films (12) with at least central portions of the films in a curved configuration and leading ends of the films adjacent a film separator mechanism (40). The curvature of the films is such that they stay in desired positions in the magazine independent of the orientation of the films with respect to gravity. When a top cover (28) of the magazine is opened, floating primary feed rollers (48) are raised by spring-biasing assemblies (73) to facilitate loading of the films under the rollers, and when the top cover is subsequently closed, the rollers are moved into feeding engagement with an innermost film, and the films are held in position by leaf biasing springs (122, 124). A cleaning mechanism removes contaminants from the primary feed rollers, which feed each film to secondary feed rollers driven at a faster speed than the primary feed rollers. A number-of-films-remaining mechanism, which may be of a mechanical or electrical type which is adjustable for films of different thicknesses, and which is automatically preset to the number of films in the magazine upon closing of the cover, is responsive to downward movement of the primary feed rollers as each innermost film is fed from the stack. A system also is provided for indicating if enough films remain in the magazine for a particular film processing operation and to inhibit operation of an associated device if insufficient films remain. The magazine may be self-driven or driven from an associated device.