—#217416

Product

Brand Name: Single Use Electrosurgical Knife KD-645 Product Name: Olympus Single Use Electrosurgical Knife KD-645 Model/Catalog Number: KD-645L Product Description: An electrosurgical device consisting of a handpiece with mechanical and/or electrical controls, and a monopolar electrode, intended to deliver a current from a system generator directly to tissues for cutting/coagulation/ablation during endoscopic (including laparoscopic, arthroscopic) surgery.

FDA product code: KNS — Unit, Electrosurgical, Endoscopic (With Or Without Accessories)
Device class: Class 2
Medical specialty: Gastroenterology, Urology
510(k) numbers: K182408
Affected lot / code info: Model/Catalog Number: KD-645L UDI: 04953170407857 Lot Number(s): 2ZK, 31K, 32K, 33K, 35K, 3XK, 3YK, 3ZK, 42K, 43K, 44K, 45K, 46K, 47K, 48K, 49K, 4XK, 4YK, 4ZK, 51K, 52K, 53K, 54K, 55K, 56K, 57K, 58K, 59K

Why it was recalled

A deterioration of the cutting knife, including overheating and burning, can contribute to tip breakage during use.

Root cause (FDA determination)

Device Design

Action the firm took

On December 17, 2025 URGENT: MEDICAL DEVICE CORRECTION letters were sent to customers. Actions to be taken: 1. Carefully read the content of this notification. 2. Ensure all personnel are completely knowledgeable and thoroughly trained on the content of this notification, including the instruction for intermittent output activation and applicable Warnings and Cautions. 3. Keep a copy of this notification with the Instructions for Use for any affected devices remaining in your inventory. 4. If you have further distributed the affected product, please identify your customers and forward this notification to them. Olympus fully appreciates your prompt cooperation in addressing this situation. If you require additional information, please do not hesitate to contact me directly by phone at (647) 999-3203 or by e-mail Cynthia.Ow@Olympus.com.

Recalling firm

Firm: Olympus Corporation of the Americas
Address: 3500 Corporate Pkwy, Center Valley, Pennsylvania 18034-8229

Distribution

Distribution pattern: US Nationwide distribution.

Timeline

Recall initiated: 2024-02-17
Posted by FDA: 2026-01-30
Status: —

Source: openFDA Device Recall endpoint. Recall record ID #217416. The FDA issues recall classifications as health-hazard assessments, not legal findings; for legal claims consult a licensed attorney.