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Description

The Edan SD3 Ultrasonic Pocket Doppler boasts high sensitivity, interchangeability, and extreme durability. It is ideally suited for routine fetal heart rate detection. The SD3 Ultrasonic Pocket Doppler includes a carrying case.

Warranty: 2 Years - Free from Defects in Materials and Workmanship.

Specially designed for auscultation (intermittent listening) of fetal sound, the 2 or 3 MHz waterproof probes allow for the detection of fetal heart rate as a general indication of fetal well being and also to verify fetal heart viability following patient trauma. Or, the unit can be equipped with a 4, 5, or 8 MHz probe for vascular diagnosis.

Features

Edan SD3 Ultrasonic Pocket Doppler Features

  • Bright OLED screen with real-time FHR display.
  • Plug-and-play with interchangeable waterproof probes.
  • 2 MHz probe (optional) with deep penetration for late-term pregnancy and overweight patients.
  • 3 MHz probe (optional) may detect fetal heartbeat as early as 9 weeks.
  • 4/5/8 MHz probe (optional) is used for blood flow detection.
  • Compatible with AA batteries.
  • Real-time monitoring for daily use.
  • Built-in speaker with adjustable volume.

Specifications

Edan SD3 Ultrasonic Pocket Doppler Specifications

  • Weight: 350 g (including the battery)
  • Dimensions: 168 mm (D) x 31 mm (W) x 67 mm (H).
  • Probe:
    • Weight: < 100 g.
    • Cable Length: 2 m.
    • Dimensions (Fetal/Obstetrical): 39 mm x 140 mm.
    • Dimensions (Vascular): 25 mm x 115 mm.
  • Display: 0.96" OLED double color screen.
  • Audio Output Power: 2 W.
  • FHR:
    • Operating Mode: CW.
    • Working Frequency: 2 MHz ± 10% / 3 MHz ± 10%.
    • Nominal Frequency: 2 MHz / 3 MHz.
    • 2 MHz / 3 MHz Obstetrical Probe:
      • p-: < 1 MPa.
      • Iob: < 20 mW/cm2.
      • Ispta: < 100 mW/cm2.
    • Effective Radiating Area of Transducer: 245 mm2 ± 15%.
    • Measurement Range: 50 ~ 240 bpm.
    • Resolution: 1 bpm.
    • Accuracy: ± 2 bpm.
    • Sensitivity: 9 Weeks Gestation (3 MHz).
  • Vascular:
    • Operating Mode: CW.
    • Working Frequency: 4 MHz ± 10% / 5 MHz ± 10% / 8 MHz ± 10%.
    • Nominal Frequency: 4 MHz / 5 MHz / 8 MHz.
    • 4 MHz / 5 MHz / 8 MHz Vascular Probe:
      • p-: < 1 MPa.
      • Iob: < 25 mW/cm2.
      • Ispta: < 100 mW/cm2.
    • Effective Radiating Area of Transducer:
      • 4 MHz / 5 MHz: 32 mm2 ± 15%.
      • 8 MHz: 14 mm2 ± 15%.
  • Auto Power-Off: With probe replacement, or one minute after no signal or operation.

Probes

Edan SD3 Ultrasonic Pocket Doppler Probes

  • #SD3.02: 2 MHz (Fetal).
  • #SD3.03: 3 MHz (Fetal).
  • #SD3.04: 4 MHz (Vascular).
  • #SD3.05: 5 MHz (Vascular).
  • #SD3.08: 8 MHz (Vascular).

Frequently asked questions

Does this Doppler offer both fetal and vascular monitoring?

Yes, the Edan SD3 is highly versatile and supports both obstetrical (fetal) and vascular diagnosis through its interchangeable waterproof probes.

This device features a plug-and-play system allowing you to quickly switch probes for different applications:

  • Obstetrical Monitoring (Fetal Heart Rate): Utilizes 2 MHz or 3 MHz probes. The 3 MHz probe is highly sensitive, capable of detecting the fetal heartbeat as early as 9 weeks gestation.
  • Vascular Diagnosis (Blood Flow Detection): Utilizes specialized 4 MHz, 5 MHz, or 8 MHz probes for vascular assessment.
Is a protective carrying case included?

Yes, the Edan SD3 Ultrasonic Pocket Doppler includes a protective carrying case.

This accessory is vital for maintaining the durability and portability of the device, ensuring it is protected when transported for routine clinical or home use.

The main unit itself is extremely lightweight, weighing only 350 g (including the battery).

Is the SD3 Doppler truly portable?

Yes, the Edan SD3 Ultrasonic Pocket Doppler is engineered for high portability, making it ideal for routine, on-the-go use in various clinical environments. It is specifically described as a compact, pocket-sized unit.

Its portability is ensured by several key design features:

  • Lightweight: The main unit, including the battery, weighs only 350 g.
  • Compact Dimensions: The unit measures 168 mm (D) x 31 mm (W) x 67 mm (H).
  • Mobile Power Source: It operates using standard AA batteries for cord-free operation.
  • Convenient Transport: A dedicated carrying case is included to protect the device during transport and storage.
Is the FHR reading accuracy high?

Yes, the Edan SD3 Ultrasonic Pocket Doppler is designed for highly precise Fetal Heart Rate (FHR) detection, ensuring reliable monitoring.

Key specifications related to FHR accuracy include:

  • Accuracy: The readings maintain a precision of ± 2 bpm.
  • Resolution: FHR measurements are displayed with a resolution of 1 bpm.
  • Measurement Range: The operational range for FHR detection is 50 to 240 bpm.
Does the sensitive doppler detect early heartbeats?

Yes, the Edan SD3 Pocket Doppler is designed for high sensitivity in Fetal Heart Rate (FHR) detection.

  • Early Detection: Using the 3 MHz probe, the device can detect the fetal heartbeat as early as 9 weeks gestation.
  • Deep Penetration: An optional 2 MHz probe is available for situations requiring deeper penetration, such as late-term pregnancies or monitoring overweight patients.
Are vascular probes available?

Yes, the Edan SD3 Doppler is designed for versatility and supports interchangeable, waterproof probes specifically for vascular diagnosis, in addition to fetal monitoring. The vascular probes available are:

  • 4 MHz
  • 5 MHz
  • 8 MHz

These options allow the device to detect vascular blood flow, greatly expanding the diagnostic capabilities beyond routine fetal heart rate detection.

Are there versatile interchangeable probes?

Yes, the Edan SD3 Doppler is designed for versatility and supports five different interchangeable, waterproof probes for obstetrical and vascular monitoring:

  • Fetal Heart Rate Detection (Obstetrical):
    • 2 MHz: Offers deep penetration, suitable for late-term or overweight patients.
    • 3 MHz: High sensitivity, capable of detecting fetal heartbeats as early as 9 weeks gestation.
  • Blood Flow Detection (Vascular Diagnosis):
    • 4 MHz
    • 5 MHz
    • 8 MHz
Is the Doppler powered by convenient AA batteries?

Yes, the Edan SD3 Ultrasonic Pocket Doppler is powered by easily accessible AA batteries, ensuring maximum portability and convenience for clinical use.

The use of standard AA batteries supports the device’s robust, portable design and functionality:

  • Portability: The main unit, including the battery, weighs only 350 g, making it truly pocket-sized.
  • Convenience: AA batteries are universally available, allowing for quick and simple power replacement when on the go.
  • Energy Efficiency: The device features an Auto Power-Off function to conserve power. This activates one minute after no signal or operation, or automatically when a probe is replaced.
Are the interchangeable probes durable?

Yes, the Edan SD3 Pocket Doppler unit and its interchangeable probes are specifically engineered for high durability and reliable performance in clinical settings. The probes offer several features that ensure their longevity and ease of use:

  • Waterproof Design: All probes (fetal and vascular options) are fully waterproof, making them easy to clean, disinfect, and maintain for strict hygiene standards.
  • Extreme Durability: The design emphasizes extreme durability, suitable for a portable device intended for frequent, on-the-go use.
  • Plug-and-Play Interchangeability: The probes feature a robust plug-and-play system, allowing for quick, secure swapping between different monitoring frequencies (e.g., 3 MHz for obstetrics to 8 MHz for vascular diagnosis).
What is the FHR measurement range?

The Edan SD3 Ultrasonic Pocket Doppler is designed for accurate obstetrical monitoring and provides a reliable Fetal Heart Rate (FHR) measurement range:

  • Measurement Range: 50 to 240 bpm (beats per minute)
  • Accuracy: ± 2 bpm
  • Resolution: 1 bpm

These real-time FHR readings are clearly displayed on the bright 0.96” OLED double color screen.