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Parks Medical Ultrasonic Doppler Flow Detector 811-B
$795.00The Parks Medical Electronics Model 811-B is one of the most trusted non-directional Doppler flow detectors in clinical practice — a workhorse device that has been in continuous use for over 50 years. It uses a factory-tuned 8–9 MHz probe to detect blood flow acoustically, making it possible to measure systolic blood pressure at sites where a stethoscope cannot reach and to detect pulses too faint for conventional auscultation. Whether you’re measuring ankle-brachial pressures, monitoring peripheral arterial flow intraoperatively, or conducting a quick vascular screen at bedside, the 811-B delivers reliable signal with minimal setup. It’s used widely in operating rooms, emergency departments, recovery rooms, ICUs, vascular clinics, urology, pediatrics, and veterinary practice.
The internal speaker provides immediate audio feedback, and an auxiliary headphone jack allows for private monitoring or recording. Probe options include standard pencil, skinny pencil (for small vessels), adult flat, and infant flat configurations — the infant flat probe is the most commonly used probe in veterinary applications. Parks manufactures the 811-B in the USA at their facility in Aloha, Oregon, and the device carries a one-year warranty on the unit and six months on probes.
IPR Medical is an authorized Parks Medical Doppler repair facility and one of only a few such centers in the country. Working closely with the Parks Medical technical team, IPR Medical buys, sells, repairs, and stocks genuine replacement parts for the Parks Medical 811-B Doppler — including batteries, probes, and chargers. Whether you need a factory-quality repair, a certified refurbished unit, or expert Parks Doppler service you can trust, contact IPR Medical at 855-477-8866 or cs@iprmed.com.
Dopplers are sold based on the frequency without the probe. Please let us know if you also need a probe with your doppler.
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Parks Medical Ultrasonic Doppler Flow Detector 811-BTS
Original price was: $895.00.$795.00Current price is: $795.00.The Parks Medical Electronics Model 811-BTS is a non-directional ultrasonic Doppler flow detector built on the same proven 811-series platform that has been in continuous clinical use for over 50 years — with one practical addition for everyday clinical use: a built-in auto-shutoff. The auto-shutoff automatically powers the unit down after a period of inactivity, extending battery life and eliminating the all-too-common issue of a Doppler being left on between patients and found with a depleted battery at the next use. In every other respect the 811-BTS shares the full capability of the 811-B — using a factory-tuned 8–9 MHz probe to detect blood flow acoustically, enabling systolic blood pressure measurement at sites where a stethoscope cannot reach and detection of pulses too faint for conventional auscultation.
The 811-BTS features a built-in speaker for immediate audio feedback, an auxiliary headphone jack for private monitoring or recording, and a rechargeable 12V sealed lead-acid battery with a low-battery indicator lamp and a safety circuit that prevents operation while charging. Probe options include standard pencil, skinny pencil (for small vessels), adult flat, and infant flat configurations.
IPR Medical is an authorized Parks Medical Doppler repair facility and one of only a few such centers in the country. Whether you need a factory-quality repair, a certified refurbished unit, or expert Parks Doppler service you can trust, contact IPR Medical at 855-477-8866 or cs@iprmed.com.
Dopplers are sold based on frequency without the probe. Please let us know if you also need a probe with your Doppler.
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Parks Medical Ultrasonic Doppler Flow Detector 811-BL
$795.00The Parks Medical Electronics Model 811-BL is a non-directional ultrasonic Doppler flow detector built on the same proven 811-series platform that has been in continuous clinical use for over 50 years — with one critical addition for surgical environments: a built-in cautery suppressor. The cautery suppressor filters out electromagnetic interference generated by electrosurgical units, keeping the Doppler signal clean and audible during active cautery use. This makes the 811-BL the preferred choice over the standard 811-B anywhere electrocautery is in routine use, particularly in operating rooms and interventional settings. Like its siblings, it uses a factory-tuned 8–9 MHz probe to detect blood flow acoustically, enabling systolic blood pressure measurement at sites where a stethoscope cannot reach and detection of pulses too faint for conventional auscultation.
The 811-BL features a built-in speaker for immediate audio feedback, an auxiliary headphone jack for private monitoring or recording, and a rechargeable 12V sealed lead-acid battery with a low-battery indicator lamp and a safety circuit that prevents operation while charging. Probe options include standard pencil, skinny pencil (for small vessels), adult flat, and infant flat configurations — the infant flat probe is the most commonly used probe in veterinary applications.
IPR Medical is an authorized Parks Medical Doppler repair facility and one of only a few such centers in the country. Working closely with the Parks Medical technical team, IPR Medical buys, sells, repairs, and stocks genuine replacement parts for the Parks Medical 811-BL Doppler — including batteries, probes, and chargers. Whether you need a factory-quality repair, a certified refurbished unit, or expert Parks Doppler service you can trust, contact IPR Medical at 855-477-8866 or cs@iprmed.com.
Dopplers are sold based on frequency without the probe. Please let us know if you also need a probe with your Doppler.
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Parks Medical Ultrasonic Doppler Flow Detector 915-BL
$895.00The Parks Medical Electronics Model 915-BL is the dual-frequency Doppler in the Parks lineup — purpose-built for anesthesiology and surgical environments where a single-frequency unit simply isn’t enough. It houses two independent Doppler channels in one compact case: a low-frequency ~2.25 MHz precordial channel for detecting the passage of air emboli in the heart, and a high-frequency 8–9 MHz channel for arterial blood flow detection and systolic blood pressure measurement. This combination makes the 915-BL the go-to instrument for neurosurgery, cardiac procedures, seated craniotomies, and any case where venous air embolism (VAE) monitoring is part of the anesthetic plan.
On top of dual-frequency capability, the 915-BL includes a cautery suppressor with a controllable threshold — a step up from the fixed suppressor found in the 811-BL — allowing the clinician to dial in the suppression level to match the specific interference environment rather than applying a blanket cutoff.
IPR Medical is an authorized Parks Medical Doppler repair facility and one of only a few such centers in the country. Working closely with the Parks Medical technical team, IPR Medical buys, sells, repairs, and stocks genuine replacement parts for the Parks Medical 915-BL Doppler — including batteries, probes, and chargers. Whether you need a factory-quality repair, a certified refurbished unit, or expert Parks Doppler service you can trust, contact IPR Medical at 855-477-8866 or cs@iprmed.com.
Probes are not included in the purchase of the dopplers and are sold separately.
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