摘要:
An injector for injecting fluid from a syringe mounted thereon includes a housing, a drive member at least partially disposed within the housing and operable to engage a plunger of the syringe, and a syringe retaining mechanism associated with the housing. The syringe retaining mechanism is adapted to releasably engage the syringe regardless of the orientation of the syringe with respect to the injector. Further, the retaining mechanism is preferably movable upon rotation of the syringe between a relaxed state, where the syringe is engaged by the retaining mechanism, and a tensioned state, where the syringe is released from the retaining mechanism.
摘要:
Embodiments of an injector, syringe, syringe interface, and piston/plunger assembly for an injector (of contrast medium, for example) are described. Preferably, the syringe is adapted to engage a syringe interface mechanism such that the syringe may be connected to an injector without regard to any particular orientation of the syringe to the injector or to the piston/plunger assembly.
摘要:
An interface unit enables communication with an injector system that is used for pressurizing a fluid medium for injection into a patient during an injection procedure. The interface unit includes a processor and a storage unit. The processor controls operation of the interface unit and enables exchange of digital information between the interface unit and the injector system. The storage unit, under control of the processor, records the digital information gathered from the injector system during communication therewith. The digital information includes at least injection profile, history and dose data pertaining to the injection procedure. The processor enables at least the injection profile, history and dose data of the digital information recorded within the storage unit of the interface unit to be communicable to at least one of an imaging system linked thereto and an external device linked thereto.
摘要:
Apparatus for analyzing an image member such as a photographic film bearing an image to be printed and providing information as to the image area. The information may be utilized in determining initial ink key settings for a printing cylinder on which the image is to be printed. The image member is positioned on a support surface and a scanner assembly including a light source and light sensors scans the surface. Light transmission readings are taken from calibration film strips on the support surface and at positions on the support surface corresponding to the locations of the ink key columns of the printing cylinder. The data are calibrated and normalized using the calibration readings. The data are also corrected for the number of layers in the image member. Data from ink key columns which will not be utilized in printing the image analyzed are discarded. A procedure is provided for removing the effect on the data of any non-image material on the image member.
摘要:
A system for producing a contrast-enhanced medical image of a patient includes a source of a contrast or enhancement medium, a pressurizing unit in fluid connection with the source of contrast or enhancement medium, an energy source operable to apply energy to a region of the patient, an imaging unit providing a visual display of an internal view of the patient based upon a signal resulting from the energy applied to the region of the patient, and a control unit. In an embodiment, the signal is affected by a condition of the contrast or enhancement medium in the patient. To control the procedures, the control unit adjusts the condition of the contrast or enhancement medium in the patient based upon the signal. A communication interface preferably enables information between an injector subsystem and an imaging subsystem.
摘要:
An injector for use in injecting a fluid in a medical injection procedure includes a drive mechanism to pressurize the fluid; a sensor to measure a variable that is proportional to fluid pressure (that is, a direct or indirect measurement of fluid pressure); and a pressure monitor (for example, including hardwired circuitry and/or software) in communication with the sensor and the drive mechanism to stop the injection procedure when the sensor measures a value of the variable that corresponds to a pressure hazard limit. Preferably, the pressure monitor further limits power input to the drive mechanism to a power limit once the variable reaches a value that corresponds to a power limiting pressure that is below the pressure hazard limit.
摘要:
A system for producing a contrast-enhanced medical image of a patient includes a source of a contrast or enhancement medium, a pressurizing unit in fluid connection with the source of contrast or enhancement medium, an energy source operable to apply energy to a region of the patient, an imaging unit providing a visual display of an internal view of the patient based upon a signal resulting from the energy applied to the region of the patient, and a control unit. In an embodiment, the signal is affected by a condition of the contrast or enhancement medium in the patient. To control the procedures, the control unit adjusts the condition of the contrast or enhancement medium in the patient based upon the signal. A communication interface preferably enables information between an injector subsystem and an imaging subsystem.
摘要:
Apparatus for analyzing an image member such as a photographic film bearing an image to be printed and providing information as to the image area. The information may be utilized in determining initial ink key settings for a printing cylinder on which the image is to be printed. The image member is positioned on a support surface and a scanner assembly including a light source and light sensors scans the surface. Light transmission readings are taken from calibration film strips on the support surface and at positions on the support surface corresponding to the locations of the ink key columns of the printing cylinder. The data are calibrated and normalized using the calibration readings. The data are also corrected for the number of layers in the image member. Data from ink key columns which will not be utilized in printing the image analyzed are discarded. A procedure is provided for removing the effect on the data of any non-image material on the image member.
摘要:
A method of coordinating an imaging procedure and an injection procedure, the method comprising the steps of providing an injector system having first and second pressurizing units for pressurizing a contrast medium and a diluent for injection into a patient; providing an imaging system for producing an image of an internal region of the patient from a signal resulting from energy applied to the patient; and providing a data interface interconnecting the injector and imaging systems for enabling exchange of digital information therebetween such that the digital information transmitted between the systems is usable to enable closed loop control of at least one of the injection and the imaging procedures during which the contrast medium and the diluent injected into the patient is adjustable so as to achieve a desired level of enhancement within the internal region of the patient of which the images are acquired during the imaging procedure.
摘要:
A method of coordinating an imaging procedure and an injection procedure, the method comprising the steps of providing an injector system having first and second pressurizing units for pressurizing a contrast medium and a diluent for injection into a patient; providing an imaging system for producing an image of an internal region of the patient from a signal resulting from energy applied to the patient; and providing a data interface interconnecting the injector and imaging systems for enabling exchange of digital information therebetween such that the digital information transmitted between the systems is usable to enable closed loop control of at least one of the injection and the imaging procedures during which the contrast medium and the diluent injected into the patient is adjustable so as to achieve a desired level of enhancement within the internal region of the patient of which the images are acquired during the imaging procedure.