Cleared Traditional

K171851 - SOFTXIL

K171851 is an FDA 510(k) clearance for SOFTXIL, manufactured by Bistool. The device is a Class 2 General & Plastic Surgery device with product code MIB cleared through the Traditional 510(k) pathway after a 268-day FDA review.

K171851 · Bistool · General & Plastic Surgery device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Mar 2018
Decision
268d
Days
Class 2
Risk

K171851 is an FDA 510(k) clearance for the SOFTXIL. Classified as Elastomer, Silicone Block (product code MIB), Class II - Special Controls.

Submitted by Bistool (Seoul, KR). The FDA issued a Cleared decision on March 16, 2018 after a review of 268 days - an extended review cycle.

This device falls under the General & Plastic Surgery FDA review panel, regulated under 21 CFR 874.3620 - the FDA general and plastic surgery device framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the General & Plastic Surgery review framework, consistent with the majority of Class II 510(k) submissions.

View all Bistool devices

FDA 510(k) Submission Details - K171851

510(k) Number K171851 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 21, 2017
Decision Date March 16, 2018
Days to Decision 268 days
Submission Type Traditional
Review Panel General & Plastic Surgery (SU)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
153d slower than avg
Panel avg: 115d · This submission: 268d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

MIB Device Classification - Class 2, Special Controls

Product Code MIB Elastomer, Silicone Block
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 874.3620
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most General & Plastic Surgery devices follow this clearance model.

Regulatory Consultant

LK Consulting Group USA, Inc.
Priscilla Chung

The regulatory consultant manages the 510(k) submission process on behalf of the applicant - coordinating technical documentation, predicate strategy and FDA communications. Identifying the consultant behind a submission is a key signal for competitive regulatory intelligence.

Regulatory Peers - MIB Elastomer, Silicone Block

All 29
Devices cleared under the same product code (MIB) and FDA review panel - the closest regulatory comparables to K171851.
Pre-Formed Penile Silicone Block
K220760 · International Medical Devices, Inc. · May 2022
BioSiCar Silicone Implant
K193392 · Metalware Technology Corp. · Jul 2020
Pre-Formed Penile Silicone Block
K181387 · International Medical Devices, Inc. · Jan 2019
GLUTEAL IMPLANT, MODELS RND 5-X, TRD 6-X
K052504 · Implantech Associates, Inc. · Nov 2005
CALF IMPLANT, MODEL EC17-X
K052505 · Implantech Associates, Inc. · Nov 2005
SEARE BIOMEDICAL SILICONE RODS
K983630 · Seare Biomedical Corp. · Dec 1998