# K990517: Explorer CVS Transcranial Doppler

- Pathway: 510(k) (Traditional)
- Applicant: Diagnostic Medical Systems
- Decided: Aug 1, 2000 after 530 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: 1 generation back to K872292 (1987). 5 ancestors in all.
428 later devices descend from it; 1 cites it directly.
1 of 434 devices in its family (counting itself) has a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K974588: Intra-View Bilateral Transcranial Doppler Device, Smart-Lite Portable Bilateral Transcranial Doppler Device, Compact Mod, Rimed, Ltd. (1998) Summary page 1.
- K962796: Neuroguard Transcranial Doppler Ultrasound System, Medasonics, Inc. (1997) Summary page 1.
- K914862: Cerebrovascular Diagnostic System; CDS, Medasonics, Inc. (1992) Summary page 1.
- K894163: Phase 2 Transcranial Probe, Biosound, Inc. (1989) Summary page 1.
- K872292: Transpect Transcranial Doppler, Medasonics, Inc. (1987) Summary page 1.

## Most influential descendants
- K051739: Pocket Transcranial and Vascular Doppler Spectrum Analyzer, Model 500P; PW Doppler Ultraound Probe, Model 2MPB. (2005), 427 descendants of its own
- 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

## Indications for use
Diagnostic ultrasound imaging or fluid flow analysis of the human body as follows:

Source page: https://510kreport.com/device/K990517
Methodology: https://510kreport.com/methodology