# K023300: HI-Torque Whisper LS; HI-Torque Whisper MS; HI-Torque Whisper MS CS-J; HI-Torque Whisper ES; HI-Torque Whisper ES CS-J

- Pathway: 510(k) (Special)
- Applicant: Guidant Corp.
- Decided: Oct 28, 2002 after 25 days
- Product code: DQX (Wire, Guide, Catheter)
- Device class: 2
- Regulation: 21 CFR 870.1330
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 3 generations back to K002206 (2000). 6 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 8 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K020340: Modification to HI-Torque Whisper LS and MS Guide Wires with Hydrocoat Hydrophilic Coating, Guidant Corp. (2002) Summary page 2.
- K021285: HI-Torque Extra S'port Guidewire, Guidant Corp. (2002)
- (no number) Guidant VI Whisper LS and MS (Enhanced Radiopacity) guidewires: named in the summary without a submission number
- (no number) Guidant CRM HI-TORQUE guidewires: named in the summary without a submission number

## Most influential descendants
- K041762: Finishing Wire Supportrak (2004), 0 descendants of its own

## Indications for use
The HI-TORQUE WHISPER Guide Wire is intended to aid in the placement of a Guidant implantable coronary venous Lead in the coronary venous vasculature.

Source page: https://510kreport.com/device/K023300
Methodology: https://510kreport.com/methodology