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HT314 Flow-QC Key System for Placement: In a busy OR environment, the HT314 is easy to use with all the essential features for measuring and documenting blood flow during
surgery. Its real-time, quantitative blood flow measurements provide a functional assessment of graft patency.
Features
- Printer
- FlowSound audio output; attached
- Flow-QC Key activated for measurement time period
- Unlimited number of probes can be used during procedure without additional cost
- Three button operation makes it easy to train transitory staff for continuity of use.
- The system is ready when the surgeon is ready. There is no need in input excessive data.
- Chart Recorder documents phasic patterns; mean, minimum, and peak flow
readings, PI as an immediate hard-copy printout for the patient's record.
- Can be mounted on a rolling stand or placed in a stationary location.
- Two-meter extension cable.
- No charge for calibration, repairs, upgrades
Matching Flowprobes
HQ-Series Flowprobes for Real-time, quantitative measurements of blood flow.
- Perivascular flowprobes: non-constrictive, simple application to exposed
vessels
- Precalibrated Probes - report pulsatile, directional flow in ml/min
- Tubing Flowsensors - report flow in bypass tubing
- Safe, Low Power Transonic Ultrasound
Matching Flowsensors
 Transonic XL Sensors
Ultrasonic transit-time sensors, specifically designed for tubing,
measure volume flow with highest accuracy. Most non-aerated liquids can be measured including saline and buffer solutions,
blood, water and even diesel fuel. No physical contact is made with the fluid media.
XL-Series Flowsensors can be calibrated and programmed for up to 4 different fluid
/ temperature / tubing combinations and will work with most flexible tubing types. Sensor size is determined by outside diameter of the tubing.
Manuals
HT314 Specifications ->PDF
Single (HT3142) channel, ultrasonic transit-time flowmeter with printer,
FlowSound audio output; attached two-meter extension cable. Activated by a Flow-QC Key.
HT314: HT314: Single channel flowmeter with built-in chart recorder; HT314, 10 lb (4.5
Kg), 11"(27.8 cm) wide x 4" (9.1 cm) high x 14" (35.4 cm) deep; attached two-meter
flowprobe-to-flowmeter extension cable; separate grounded medical grade power line-cord.
Input Power:
Universal Power Supply 50-60 Hz; 100-240 V ± 10% (automatic voltage adjustment)
Fuses: 1.5A fast blo, mfg: bussman #GMA1.5,250 VAC
Both power entry conductors are protected by size 5 x 20 mm fuses.
Electrical Isolation: Cabinet is grounded; line to ground leakage current: less than 50
µA @100-120 V; less than 100 µA @220-240V line line. All electronic components and cabling of the probe extension cable and probe are fully isolated to meet IEC60601
"cardiac floating" specifications. Defibrillator protection: probes can be left attached to
the patient during cardiac defibrillation, for instantaneous report on the restoration of flow.
Automatic Meter Adjustments for all operational settings
- Ultrasound frequency and insonification parameters
- Probe size and corresponding flow output ranges
- Volume flow calibration of connected flowprobe
- Flow sampling rate: optimized for local acoustic conditions
Digital Identification: Probe identification and calibration parameters are programmed
on an EEPROM inside the probe connector.
Compatible Flowprobes Meters accept a range of HQD-Series probes for intraoperative surgical use. See probe specifications above or contact your local representative for
models, sizes and recommended uses.
Auxilliary Analog Outputs: Two BNC connectors are provided on the rear panel asa
auxiliary inputs (i.e., pressure or EKG monitors). Each accepts a signal range of ±5V.
RS232 output: Optically isolated output connector meeting IEC060 patient isolation.
Permits connector to a laptop or other data monitor computer. The ± 5V analog signals for pressure, EKG are digitized at 19200 Baud for use with FlowTrace software.
Regulatory Compliance: Transonic Systems flowmeters and sensors comply with USA
standards for medical and dental equipment (UL2601-1), and with European standards for medical and ultrasonic apparatus (IEC 60601-1). These products are CE marked per
93/42EEC Annex II. Transonic Systems is an ISO9001/EN46001-certified facility.
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