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Smog Suction Structure for Electrosurgical Handpiece

Favicon for changeflow.com USPTO Patent Grants - Diagnosis & Surgery (A61B)
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Summary

USPTO granted Patent US12599427B2 to inventor In-Sang Choi for a smog suction structure designed for electrosurgical handpieces. The invention efficiently removes surgical smog that obstructs the operating surgeon's view and poses health hazards. The patent, filed on December 3, 2020, includes 7 claims and is classified under CPC codes related to electrosurgical instruments and suction devices.

Published by USPTO on changeflow.com . Detected, standardized, and enriched by GovPing. Review our methodology and editorial standards .

What changed

USPTO granted Patent US12599427B2 to In-Sang Choi for a smog suction structure for electrosurgical handpieces. The patent covers a device designed to efficiently suction and remove surgical smog that obstructs the operating surgeon's view and has harmful health effects. The patent application was filed on December 3, 2020, under application number 18017228, and contains 7 claims.

For medical device manufacturers and surgical equipment companies, this patent establishes exclusive intellectual property rights for smog suction technology in electrosurgical applications. Competitors developing similar suction-integrated electrosurgical handpieces should review this patent to ensure freedom-to-operate or explore licensing arrangements with the patent holder.

What to do next

  1. Monitor patent database for potential licensing opportunities

Archived snapshot

Apr 14, 2026

GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.

← USPTO Patent Grants

Smog suction structure for electrosurgical handpiece

Grant US12599427B2 Kind: B2 Apr 14, 2026

Assignee

In-Sang Choi

Inventors

In-Sang Choi

Abstract

The present invention relates to a suction structure for an electrosurgical handpiece and particularly to a smog suction structure for a handpiece, the smog suction structure being capable of efficiently suctioning and removing smog which obstructs the view of an operating surgeon and has a harmful effect on health.

CPC Classifications

A61B 18/1402 A61B 2218/008 A61B 17/32 A61B 2018/00166 A61M 1/84

Filing Date

2020-12-03

Application No.

18017228

Claims

7

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Last updated

Classification

Agency
USPTO
Published
April 14th, 2026
Instrument
Rule
Legal weight
Binding
Stage
Final
Change scope
Minor
Document ID
US12599427B2

Who this affects

Applies to
Medical device makers Manufacturers Inventors
Industry sector
3345 Medical Device Manufacturing
Activity scope
Patent grant Surgical device innovation Medical device IP
Geographic scope
United States US

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Medical Devices Healthcare

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