WSI Co., Ltd.
Founded and KOSDAQ-listed in 2018, WSI distributes spine/joint devices and has expanded into medical robots and pharma via subsidiaries.
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Market cap
Business overview
Source: DART corporate disclosureFounded in May 2018 and KOSDAQ-listed in September 2018, WSI distributes spine and joint medical devices through a distribution-pharma-robotics structure built via subsidiaries Ezmedibot (medical robots), Introbiopharma (pharmaceuticals), and IBP Lab (clinical sample analysis). It sells a topical hemostatic agent, plasma volume expander, anti-adhesion agent, bone hemostatic agent, DTF-40 radiofrequency surgical device, and Richard Wolf endoscopes to spine hospitals, and since 2024 has partnered with a global cardiovascular device maker to enter Korea's cardiovascular intervention device market. WSI acquired Introbiopharma in June 2024, holding a 77% stake by mid-2025; Introbiopharma has 149 approved drug products and PIC/S GMP facilities, with annual revenue above KRW 20 billion.
Products & technology
- Topical hemostatic agentControls bleeding not managed by ligature or standard procedures during surgery
- Plasma volume expanderAdministered before/after transfusion for rapid fluid and blood loss
- Anti-adhesion agentReduces adhesion formation and pain around nerve tissue after spinal surgery
- Bone hemostatic agentControls bleeding from bone surfaces during surgery
- DTF-40 (Trigger flex bipolar system)Radiofrequency electrode used in spinal endoscopic surgery
- Richard Wolf endoscope (rigid spinal endoscope)Rigid spinal endoscope used in spinal endoscopic surgery
Regulatory approvals
data.go.kr120 Korean MFDS device approvals · 2009–2026
- MFDSCatheter introducer, haemostasis valve, not for central vein2026-02-09Product approval · Class 2수인 26-4124 호
- MFDSBronchoscope, flexible, video2025-11-12Product approval · Class 2수인 25-4643 호
- MFDSEndoscopic dilator, cavity2025-10-10Product approval · Class 1수신 25-2190 호
- MFDSEndoscope moniter, personal2025-09-26Product approval · Class 1수신 25-2117 호
- MFDSEndotherapy forceps, reusable2025-08-29Product approval · Class 1수신 25-1890 호
- MFDSForceps, reusable2023-05-30Product approval · Class 1수신 23-1346 호
- MFDSCamera, still, surgical2022-04-25Product approval · Class 1수신 22-704 호
- MFDSCamera, still, surgical2022-04-20Product approval · Class 1수신 22-676 호
- MFDSAbrasive device2021-11-25Product approval · Class 1수신 21-2134 호
- MFDSAdaptor, endoscope element2021-06-17Product approval · Class 1수신 21-1124 호
- MFDSLight source, endoscope2020-07-21Product approval · Class 2수인 20-4418 호
- MFDSLight source, endoscope2019-12-12Product approval · Class 2수인 19-4842 호
Show 68 more
- MFDSEndotherapy cannula, reusable2019-09-04Product approval · Class 1수신 19-2246 호
- MFDSEndotherapy cannula, reusable2019-08-27Product approval · Class 1수신 19-2153 호
- MFDSGuide for medical use2019-08-26Product approval · Class 1수신 19-2125 호
- MFDSEndoscopic trocar, reusable2019-08-22Product approval · Class 1수신 19-2110 호
- MFDSEndotherapy dilator, reusable2019-08-22Product approval · Class 1수신 19-2108 호
- MFDSPuncture instrument, surgical, manually-operated, reusable2019-08-20Product approval · Class 1수신 19-2085 호
- MFDSIntravascular catheter, short-term2019-05-24Product approval · Class 2수인 19-4326 호
- MFDSIntravascular catheter, short-term2019-05-10Product approval · Class 2수인 19-4297 호
- MFDSIntravascular catheter, short-term2019-05-10Product approval · Class 2수인 19-4296 호
- MFDSCamera, still, surgical2019-04-18Product approval · Class 1수신 19-886 호
- MFDScamera head for medical use2018-09-14Product approval · Class 1수신 18-2072 호
- MFDScamera head for medical use2018-09-14Product approval · Class 1수신 18-2071 호
- MFDSAdaptor, endoscope element2018-02-06Product approval · Class 1수신 18-302 호
- MFDSAbrasive device2017-01-24Product approval · Class 1수신 17-230 호
- MFDSDressing, adhesion barrier2016-12-26Product approval · Class 3수허 16-657 호
- MFDSEndotherapy forceps, reusable2016-11-08Product approval · Class 1수신 16-2849 호
- MFDSEndotherapy forceps, reusable2016-04-25Product approval · Class 1수신 16-1102 호
- MFDSEndoscopic dilator, cavity2016-04-25Product approval · Class 1수신 16-1093 호
- MFDSAbrasive device2015-09-15Product approval · Class 1수신 15-493 호
- MFDSAbrasive device2015-06-02Product approval · Class 1서울 수신 15-1121 호
- MFDSDrill handpiece, surgical, electrically-powered2015-04-27Product approval · Class 2수인 15-860 호
- MFDSEndotherapy forceps, reusable2014-12-19Product approval · Class 1경인 수신 14-690 호
- MFDSEndotherapy forceps, reusable2014-11-06Product approval · Class 1경인 수신 14-489 호
- MFDSAdaptor, endoscope element2014-11-05Product approval · Class 1경인 수신 14-488 호
- MFDSEndotherapy device, general-purpose, reusable2014-10-10Product approval · Class 1경인 수신 14-474 호
- MFDSRetractor, surgical, manually-operated2014-10-01Product approval · Class 1경인 수신 14-467 호
- MFDSEndotherapy cannula, reusable2014-09-17Product approval · Class 1경인 수신 14-444 호
- MFDSEndotherapy cannula, reusable2014-09-17Product approval · Class 1경인 수신 14-443 호
- MFDSEndotherapy device, general-purpose, reusable2014-08-26Product approval · Class 1경인 수신 14-420 호
- MFDSAbrasive device2014-08-26Product approval · Class 1경인 수신 14-419 호
- MFDSPuncture instrument, surgical, manually-operated, reusable2013-12-30Product approval · Class 1경인 수신 13-482 호
- MFDSAbrasive device2011-06-16Product approval · Class 1서울 수신 11-941 호
- MFDSEndotherapy forceps, reusable2010-12-23Product approval · Class 1서울 수신 10-2888 호
- MFDSEndoscopic dilator, subcutaneous2010-10-15Product approval · Class 2수인 10-1057 호
- MFDSTrephine system, electrically-poweredRevoked2010-09-14Product approval · Class 2수인 10-932 호
- MFDSSpinoscope, rigid2010-08-17Product approval · Class 4수허 10-832 호
- MFDSEndoscopic dilator, cavity2010-04-28Product approval · Class 1경인 수신 10-80 호
- MFDSAbrasive device2010-04-21Product approval · Class 1경인 수신 10-72 호
- MFDSGuide for medical use2010-04-21Product approval · Class 1경인 수신 10-71 호
- MFDSProbe, surgical, fistula, manually-operated2010-04-19Product approval · Class 1경인 수신 10-68 호
- MFDSEndotherapy dilator, reusable2010-04-16Product approval · Class 1경인 수신 10-67 호
- MFDSEndotherapy forceps, reusable2010-04-13Product approval · Class 1경인 수신 10-63 호
- MFDSEndotherapy dilator, reusable2010-04-09Product approval · Class 1경인 수신 10-61 호
- MFDSEndotherapy dilator, reusable2010-04-09Product approval · Class 1경인 수신 10-60 호
- MFDSEndotherapy dilator, reusable2010-04-09Product approval · Class 1경인 수신 10-59 호
- MFDSEndotherapy dilator, reusable2010-04-09Product approval · Class 1경인 수신 10-58 호
- MFDSGuide for medical use2010-04-02Product approval · Class 1경인 수신 10-56 호
- MFDSAdaptor, endoscope element2010-04-02Product approval · Class 1경인 수신 10-55 호
- MFDSEndotherapy forceps, reusable2010-04-02Product approval · Class 1경인 수신 10-52 호
- MFDSPuncture instrument, surgical, manually-operated, reusable2010-04-02Product approval · Class 1경인 수신 10-53 호
- MFDSEndotherapy device, dissector2010-03-31Product approval · Class 1경인 수신 10-46 호
- MFDSTrephine instrument, manually-operated, reusable2010-03-31Product approval · Class 1경인 수신 10-45 호
- MFDSPuncture instrument, surgical, manually-operated, reusable2010-03-31Product approval · Class 1경인 수신 10-44 호
- MFDSTrephine instrument, manually-operated, reusable2010-03-31Product approval · Class 1경인 수신 10-43 호
- MFDSProbe, surgical, fistula, manually-operated2010-03-31Product approval · Class 1경인 수신 10-42 호
- MFDSProbe, surgical, fistula, manually-operated2010-03-31Product approval · Class 1경인 수신 10-41 호
- MFDSAbrasive deviceRevoked2010-03-31Product approval · Class 1경인 수신 10-40 호
- MFDSAbrasive device2010-03-31Product approval · Class 1경인 수신 10-39 호
- MFDSEndotherapy forceps, reusable2010-03-30Product approval · Class 1경인 수신 10-38 호
- MFDSDrill handpiece, surgical, electrically-powered2010-03-30Product approval · Class 2수인 10-293 호
- MFDSInstruments, bone, surgical, electrically-powered2010-03-18Product approval · Class 2수인 10-254 호
- MFDSAbrasive device2010-02-05Product approval · Class 1경인 수신 10-6 호
- MFDSAbrasive device2010-02-05Product approval · Class 1경인 수신 10-7 호
- MFDSSurgical drill handpiece, manual2010-02-05Product approval · Class 1경인 수신 10-8 호
- MFDSAbrasive device2010-02-05Product approval · Class 1경인 수신 10-9 호
- MFDSEndoscopic dilator, subcutaneous2010-01-14Product approval · Class 2수인 10-44 호
- MFDSSurgical drill handpiece, manual2009-11-20Product approval · Class 1경인 수신 09-167 호
- MFDSSpinoscope, rigid2009-10-05Product approval · Class 4수허 09-986 호
Showing the 80 most recent of 120 records.
R&D and key agreements
Source: DART corporate disclosure광섬유를 이용한 외과용 다기능 내시경 카테터 개발 · 일회용내시경케뉼러 · 완료(2013.11~2015.02) · Ministry of SMEs and Startups government funding of KRW 143 million
다중광섬유를 이용한 고해상도 반경성 관절경 개발 · 연성관절경 · 완료(2015.06~2016.05) · Ministry of SMEs and Startups government funding of KRW 143 million
외과적 시술이 가능한 일회용 최소 침습 척추용 영상 카테타 · 경막외카테터 · 완료(2015.06~2017.06) · Ministry of SMEs and Startups government funding of KRW 500 million
광섬유를 이용한 내시경의 영상 개선 · 완료(2015.08~2016.01) · Ministry of Trade, Industry and Energy government funding of KRW 40 million
Companies approved for the same productsMedical Devices
Ranked by how many MFDS product categories overlap. Not a ranking — a pointer to where to look.
Alpha AI, founded in 1995 and KOSDAQ-listed in 2000, manufactures biocompatible metal implants and surgical instruments.
Founded in 1964 and KOSPI-listed in 1991, Shinhung manufactures and distributes dental equipment and materials.
Established in 2012 and listed on KOSDAQ in 2018, Osteonic manufactures implants for the CMF, Trauma, Sports Medicine, and Spine categories.
Founded in 1997 and KOSDAQ-listed in 2015, CG MedTech makes orthopedic medical devices and also operates an electric energy business.
Founded in 2016 and listed on KOSDAQ in 2017, DENTIS manufactures dental implants, medical LED lighting, and dental 3D printers.
Founded in 2000 and KOSDAQ-listed in 2013, Corentec makes artificial joints; hip and knee implants exceed 85% of revenue.
Manufactures spinal implants and metal 3D-printed patient-specific implants, exporting to over 25 countries.
Founded in 1926 and listed on the KOSPI in 1962, Yuhan Corporation is a comprehensive pharmaceutical company known for its innovative drug Leclaza.
Spinal implant device maker founded 2008, listed on KOSDAQ 2016; produces Cervical and Thoraco Lumbar Cage, Screw, and Plate products.
Founded in 2010 and KOSDAQ-listed in 2018, Sejong Medical manufactures laparoscopic surgical instruments.
Provides EMS and SMT manufacturing services for TFT-LCD and OLED panel driver PBAs.
MITECH CO.,LTD., founded in 1991 and listed on KOSDAQ in 2018, makes non-vascular stents and distributes Fujifilm endoscopy equipment.
Sources and updates
- Company basics
- Korea Exchange · DART
- Business content
- Compiled from disclosure filings
- AI visibility
- Measured 2026-08-13
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