# K051739: Pocket Transcranial and Vascular Doppler Spectrum Analyzer, Model 500P; PW Doppler Ultraound Probe, Model 2MPB.

- Pathway: 510(k) (Traditional)
- Applicant: Multigon Industries, Inc.
- Decided: Jul 28, 2005 after 30 days
- Product code: IYN (System, Imaging, Pulsed Doppler, Ultrasonic)
- Device class: 2
- Regulation: 21 CFR 892.1550
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K872292 (1987). 9 ancestors in all.
427 later devices descend from it; 1 cites it directly.
1 of 437 devices in its family (counting itself) has a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K882755: Model 500V Vascular Spectrum Analyzer, Multigon Industries, Inc. (1988) Summary page 2.
- K974588: Intra-View Bilateral Transcranial Doppler Device, Smart-Lite Portable Bilateral Transcranial Doppler Device, Compact Mod, Rimed, Ltd. (1998) Summary page 2.
- K990517: Explorer CVS Transcranial Doppler, Diagnostic Medical Systems (2000) Summary page 2.
- K962796: Neuroguard Transcranial Doppler Ultrasound System, Medasonics, Inc. (1997) Summary page 2.
- K872292: Transpect Transcranial Doppler, Medasonics, Inc. (1987) Summary page 2.
- K874684: TC2-64B Transcranial Doppler, Carolina Medical Electronics (1988) Summary page 2.
- K930458: Multi-Dop L, Dantec Medical, Inc. (1995) Summary page 2.

## Most influential descendants
- K061639: Eclipse TCD Neurovascular Workstation; Elclipse Neurological Workstation with TCD and Vascular Doppler; Cardiomon (2006), 426 descendants of its own
- K111520: Ipc Powerease System (2011), 418 descendants of its own
- K124004: Navigated CD Horizon Solera Screwdrivers, Taps, Iliac Taps, Legacy Taps (2013), 404 descendants of its own
- K123270: Powerease System (2013), 398 descendants of its own
- K140454: Navigated CD Horizon Solera Screwdriver/Taps (2014), 396 descendants of its own

## Indications for use
The SOUP Transcranial and Vascular Doppler is to be used for the assessment of circulation in the adult cephalic ,(intracranial and extracranial) and peripheral vascular vessels. It is to be used by trained medical personnel in hospitals, clinics and physicians offices by prescriptions or doctors orders. It is not to be used for obstetrics.

Source page: https://510kreport.com/device/K051739
Methodology: https://510kreport.com/methodology
