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Actinide Wound Monitor

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Actinide Wound Monitor

Product model:AWM-1

Brief description:The ORTEC Model AWM-1 Actinide Wound Monitor is designed to accurately locate actinides embedded in tissue within the body for surgical removal. The instrument was designed using specific advice from a leading radioisotope manufacturing and reprocessing facility.

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Detailed introduction

    AWM-1 Actinide Wound Monitor

    The ORTECAWM-1 Actinide Wound Monitor is designed to accurately locate actinides embedded in tissue within the body for surgical removal. The instrument was designed using specific advice from a leading radioisotope manufacturing and reprocessing facility.

AWM-1 Actinide Wound Monitor

    ·Find and quantify Pu, Am and U in tissues

    ·Excellent energy and position resolution

    ·Provides lateral and depth positions

    ·Lightweight

    ·Customer responsive design

    ·Ergonomic design for easy operation in clinical situations

    ORTEC's Model AWM-1 Actinide Wound Monitor is designed to accurately locate actinides embedded in tissue within the body for surgical removal. The instrument was designed using specific advice from a leading radioisotope manufacturing and reprocessing organization.

    Energy resolution and position information

    The instrument contains a robust, reliable, 6 mm diameter, 5 mm thick HPGe planar detector that provides excellent energy resolution and position information. By replacing Si with Ge, it is possible to compare the intensity ratio of gamma rays to Lx rays (13 to 17keV), thereby obtaining information about the actinide depth.

    Ergonomic design

    The instrument's ergonomic design facilitates use in clinical situations. The handle is constructed and placed in such a way that the user does not experience hand/arm fatigue after operating the instrument for long periods of time. The 0.06-liter Dewar provides liquid nitrogen for up to one hour to complete most clinical procedures.

    Personnel safety and equipment protection

    The azimuth dewar ensures patient and operator safety. Regardless of its orientation, liquid nitrogen will not escape from the Dewar. If the measured radiation level is high enough to drive the preamplifier beyond its linear range, a red LED on the top of the instrument will sound a warning. If the liquid nitrogen is depleted during detector operation, an internal sensor cuts off the high-voltage power supply to protect the instrument from damage.

    Instant operation

    The special 25-liter storage fill dewar that comes with the AWM-1 keeps the instrument filled with liquid nitrogen and ready for use.

    Performance
Guaranteed energy resolution* of 5.9 keV 180 eV FWHM
Guaranteed energy resolution* of 122 keV 599 eV FWHM
Detector element effective diameter 6 mm
Detector element effective thickness 5 mm
beryllium window thickness 0.13 mm
weight 4 pounds

    Energy resolution was measured using an ORTEC672 amplifier with a shaping time constant of 6 μs.

    Electrical


Test input An 18-inch RG174 coaxial cable with a female BNC connector.
High voltage bias input An 18-inch RG59 coaxial cable with a female SHV connector.
Output Two 18-inch RG174 coaxial cables with female BNC connectors.
Cable drive capability and termination Test input: terminated at 93Ω.
Output: Series termination 93Ω.
Drive Capability: Can drive terminated or unterminated 93Ω coaxial cable (RG62 recommended). Recommended to terminate cables longer than 50 feet.
conversion gain Typically 1.7 mV/keV (Ge), negative output pulse signal.
Maximum pulse output for a single event -10 V。
energy rate 2500 MeV/s。
nonlinear Integral and differential, <0.05% over 90% of the preamplifier's dynamic range.
bias isolation High-voltage filters provide bias voltages up to 2500 V to the detector.
temperature instability 50 ppm/°C over the recommended operating temperature range of 0 to +50°C.
Power requirements Typically +24 V, 50 mA; typically -24 V, 25 mA.
Cable package The standard cable package contains signal, test pulse, high voltage shutdown and preamplifier overrange cables (all RG59A/U, 93Ω BNC); high voltage cables (RG59A/U, 75Ω SHV female); and a preamplifier power cable (9-pin connector, male).
Automatic high pressure shut-off The cryostat section contains a temperature sensing element connected to the cooling path. The sensing element is connected to the hybrid monitoring circuit in the preamplifier. The output cable connects to the remote shutdown input on the rear panel of the ORTEC Model 659 Detector Bias Power Supply.

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