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Fetal and Vascular Dopplers

Clinical-grade acoustic and ultrasonic Doppler systems engineered for precision fetal heart rate detection and peripheral vascular flow diagnosis. Sourced & certified by KAKA Medical Technology Co., Ltd. for global B2B procurement.

FDA-Cleared Fetal & Vascular Diagnostic Solutions for Global Healthcare Buyers

KAKA Medical Technology Co., Ltd. supplies a comprehensive lineup of FDA 510(k) cleared and CE-certified pocket, handheld, and tabletop Dopplers tailored for OB/GYN clinics, maternity hospitals, vascular assessment centers, and OEM healthcare equipment importers worldwide.

Whether monitoring early gestational fetal heart rate (FHR) with high-sensitivity 2MHz/3MHz waterproof probes or evaluating peripheral artery disease (PAD) using 4MHz/8MHz high-frequency vascular probes, our Doppler portfolio offers exceptional audio clarity, digital signal filtering, OLED/TFT displays, and optional Bluetooth app connectivity.

Showing all 15 clinical doppler products
Standardized Quality • ISO 13485 Compliant
SD1 Ultrasonic Pocket Doppler with Bluetooth
Wireless Pocket Fetal

SD1 Ultrasonic Pocket Doppler (Bluetooth)

  • All-in-one probe & main unit design
  • Real-time Bluetooth mobile app sync
  • 3MHz waterproof probe for early FHR
  • Built-in noise reduction speaker
SD1 Ultrasonic Pocket Doppler without Bluetooth
Pocket Fetal Doppler

SD1 Ultrasonic Pocket Doppler (Standard)

  • Integrated compact handheld body
  • Touch-control OLED numerical display
  • Auto-shutdown energy saving feature
  • AA battery powered for clinic mobility
SD3 Lite Ultrasonic Pocket Doppler
Clinical Handheld

SD3 Lite Ultrasonic Pocket Doppler

  • Interchangeable 2MHz / 3MHz probes
  • Audio-only clear sound playback
  • Ergonomic probe lock holder
  • Ideal for routine OB exam rounds
SD3 Ultrasonic Pocket Doppler
Display Pocket Fetal

SD3 Ultrasonic Pocket Doppler

  • Bright LCD screen with real-time FHR
  • Plug-and-play probe recognition
  • Low ultrasound dosage safety rating
  • Standard AA battery operation
SD3 Plus Ultrasonic Pocket Doppler
Rechargeable Handheld

SD3 Plus Ultrasonic Pocket Doppler

  • Built-in lithium rechargeable battery
  • Includes desk charging stand
  • Backlit LCD FHR numerical readout
  • Supports 4MHz/8MHz vascular probes
SD3 Pro Ultrasonic Pocket Doppler
OLED Advanced Fetal

SD3 Pro Ultrasonic Pocket Doppler

  • High-definition OLED display mode
  • FHR curve waveform visualization
  • Rechargeable lithium battery pack
  • Automated signal quality indicator
Sonotrax Lite Fetal Doppler Baby Heart Monitor
Basic Diagnostic

Sonotrax Lite Fetal Doppler

  • Cost-effective diagnostic solution
  • Supports 2MHz, 3MHz, 4MHz, 8MHz probes
  • Headphone output & built-in speaker
  • Lightweight portable handheld design
Sonotrax Basic A Fetal Doppler Baby Heart Monitor
LCD Display Fetal

Sonotrax Basic A Fetal Doppler

  • Blue backlight LCD digital screen
  • Manual/Auto FHR calculation algorithm
  • Battery power status display
  • Waterproof interchangeable probe
SonoTrax II Fetal Doppler Baby Heart Monitor
Standard Diagnostic

SonoTrax II Fetal Doppler

  • Enhanced audio fidelity speaker
  • Interchangeable probe frequency auto-detect
  • Long battery runtime for shift work
  • Widely adopted in maternity wards
Sonotrax Pro Fetal Doppler Baby Heart Monitor
Rechargeable Clinical

Sonotrax Pro Fetal Doppler

  • Backlit LCD screen with FHR display
  • Internal nickel-metal hydride battery
  • Audio recording output jack
  • Multiple operational modes
SonoTrax II Pro Fetal Doppler Baby Heart Monitor
Pro Clinical Fetal

SonoTrax II Pro Fetal Doppler

  • High-sensitivity 3MHz probe included
  • Integrated recharger base unit
  • Real-time, Average, & Manual counting
  • High acoustic noise rejection
Sonotrax Vascular with 8 MHz probe
Vascular Diagnostic

Sonotrax Vascular (8 MHz Probe)

  • Dedicated 8MHz high-frequency probe
  • Detects superficial blood flow velocity
  • Essential for diabetic foot & PAD exam
  • Precise audio arterial/venous sound
SD3 Vascular Ultrasonic Pocket Doppler
Pocket Vascular

SD3 Vascular Pocket Doppler

  • Optimized 4MHz or 8MHz vascular probe
  • High resolution LCD numeric velocity
  • Compact handheld form factor
  • Quick vessel location & assessment
SD5 Ultrasonic Tabletop Doppler
Tabletop Station

SD5 Ultrasonic Tabletop Doppler

  • Large numeric LED heart rate display
  • Infrared wireless probe connectivity
  • High power dual audio speakers
  • Ideal for busy hospital OB suites
SD6 Ultrasonic Tabletop Doppler
Premium Tabletop

SD6 Ultrasonic Tabletop Doppler

  • Wireless probe with built-in LCD screen
  • Central wall-mount or tabletop dock
  • Intelligent noise reduction DSP
  • Supports both Fetal & Vascular probes

Why Global Distributors Choose KAKA Medical Technology Co., Ltd.

With over 17 years of experience supplying medical institutions across North America, Europe, Latin America, and Southeast Asia, KAKA Medical Technology Co., Ltd. is an established leader in diagnostic device distribution.

FDA 510(k) & CE Clearance

Every Doppler system in our catalog adheres to strict FDA 510(k) regulatory benchmarks and CE Medical Device Directives, simplifying import custom clearance for international resellers.

Superior Clinical Accuracy

Equipped with advanced Digital Signal Processing (DSP) algorithms, low-ultrasound radiation dosage, and high-sensitivity 2/3/4/8MHz probes for accurate early FHR and peripheral vascular readings.

OEM & Wholesale Supply

We maintain high-volume inventory in our regional warehouses, offering tier-1 factory pricing, private label OEM packaging, and rapid air/sea drop-shipping to global procurement clients.

USA Technical Support

Our dedicated engineering team provides comprehensive product training, repair service, spare probe replacements, and 24/7 technical consultation for authorized distributors.