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Semiconductor laser therapy devices<br>TR-B<br>DIODE LASER 980nm+-20nm<br>DIODE LASER 1470nm+-20nm

The Medical diode laser systems(Semiconductor laser therapy devices) (model: TR-B) contains 2 wavelengths: 980nm and 1470nm.

The 980nm wavelength is indicated for use in treatment and surgery, which delivers laser energy to target tissues that need to be vaporized, incised, excised, ablated, cut and hemostatic or coagulated, and is suitable for specialties such as anorectal surgery and gynecology.

The 1470nm wavelength is intended for the treatment of saphenous vein reflux associated with varicose veins and varicosities.

    TR-B

    Regulatory Information / Compliance & Safety

    Last Updated:7 July 2026

    Applicable to:Semiconductor Laser Therapy Device – Model:TR-B

    Governing Regulation:EU MDR 2017/745

    1. Device Identification

    Attribute

    Details

    Product name

    Semiconductor laser therapy device

    Model

    TR-B

    UDI-DI

    [06978556800013]

    Basic UDI-DI

    [697855680TAZ01W2]

    Classification

    Class IIb(Active Therapeutic Device)

    Operation mode

    CW, single pulse, pulse

    Wavelengths

    980nm ± 20nm (20W max); 1470nm ± 20nm (15W max); Aiming beam 650nm ≤ 10mW

    Intended Purpose

    The Semiconductor laser therapy devices(Model: TR-B) contains 2 wavelengths: 980nm and 1470nm.

    The 980nm wavelength is indicated for use in treatment and surgery, which delivers laser energy to target tissues that need to be vaporized, incised, excised, ablated, cut and hemostatic or coagulated, and is suitable for specialties such as anorectal surgery and gynecology.

    The 1470nm wavelength is intended for the treatment of saphenous vein reflux associated with varicose veins and varicosities.

    Product Images

    Semiconductor laser

    2. Manufacturer & Authorized Representatives

    Entity

    Details

    Manufacturer Information

    Name: Baoding Te'anzhou Electronic Technology Co., Ltd.

    Address: Room 1702, 17th Floor, Zhibo Technology Comprehensive Research And Development Building,89 Hengbin Road, Baoding, Hebei, China

    Tel: +86-18331271987

    Web: www.tazmedicalaser.com

    EU Authorized Representative

    Name: MedPath Gmbh

    Address:Mies-van-der-Rohe-Strasse 8 80807 Munich,Germany

    Contact:Zejian Yang

    Tel:+49(0)89 81306837

    UK Authorized Representative

    Name: Abmed Medical Technology Group Ltd

    Address:52A Westerham Road, Sevenoaks, England, TN132PZ, United Kingdom

    Contact:Gloria Wang

    Tel: +44 7388 038 766

    3. Safety and Performance Information (GSPR 23.1)

    3.1 Contraindications

    It is contraindicated for patients with heart disease, mental illness, hypertension or who have been proven to be unsuitable for laser treatment.

    Applications at the central nervous system and the central circulatory system are not allowed.

    The use of the optical fiber probe in the vicinity of brackets or implants is not allowed because there is the risk of heating and destruction

    The use of the subject device is contraindicated if, in the opinion of the attending physician, the surgical method as such is contraindicated or if the patient is not able to undergo surgery or anesthesia due to his or her general condition.

    3.2 Warnings & Precautions

    Eye Protection:The device is a Class 4 Laser Product. Direct or scattered radiation can cause irreversible retinal damage. All personnel must wear protective eyewear (OD ≥ 4 for 800–1700nm) during operation. Nominal Ocular Hazard Distance (NOHD) is 10.5 m.

    Fire Hazard:Do not use near flammable anesthetics, alcohol-based antiseptics, or other combustible materials (drapes, paper).

    Electrical Safety: Ensure proper grounding. Do not remove the cover; maintenance must be performed by TAZLASER-authorized personnel.

    EMC:Do not use adjacent to diathermy, electrocautery, or strong RF emitters. Maintain recommended separation distances from mobile RF communications equipment (see IFU Section 4.10).

    Fiber Handling:Do not excessively bend the fiber (minimum bend radius must be maintained). Ensure fiber is securely connected before emission.

    3.3 Residual Risks

    Despite the implementation of comprehensive safety measures, inherent risks associated with the use of a Class 4 laser and surgical procedures cannot be entirely eliminated. These residual risks have been evaluated in the Clinical Evaluation Report (CER, Document No. TAZ-CE-TD11) and are summarized below:

    General Residual Risks (Applicable to all indications):

    Ocular Injury:Direct or scattered laser radiation can cause irreversible retinal burns or blindness. (Mitigated by mandatory use of safety goggles).

    Skin Burns:Misapplication or excessive power density may cause thermal injury to non-target tissue.

    Fire Hazard:Laser energy may ignite flammable materials (e.g., drapes, alcohol-based antiseptics).

    Indication-Specific Residual Risks:

    Varicose Veins (1470nm):Deep Vein Thrombosis (DVT), Pulmonary Embolism, skin burn, hematoma, ecchymosis, edema, paresthesia.

    Anorectal Surgery (980nm):pain, mild bleeding, transient urinary retention,major bleeding, infection, organ injury .

    Gynecology (980nm):postoperative bleeding, massive hemorrhage, perforation .

    3.4 Performance Characteristics

    Standards Compliance: EN IEC 60601-1, EN IEC 60601-1-2, EN IEC 60601-2-22, IEC 60825-1, IEC 62366-1.

    Output Stability: Deviation between actual and set laser output ≤ ±10% (Essential Performance).

    Laser Class:Class 4 (High Power).

    Applied Part:Type B.

    Ingress Protection:IPX1 (Main Unit); IPX8 (Foot Switch).

    Service Life:5 years (operational period).

    Effectiveness:The device achieves targeted tissue ablation and hemostasis with reduced intraoperative bleeding compared to conventional electrosurgery.

    4. Post-Market Surveillance & Safety Updates

    Field Safety Notices (FSNs):

    There are currently no active Field Safety Notices for this device.

    In the event of a safety corrective action (FSCA), this section will be updated immediately in accordance with MDR Article 87.

    Reporting Incidents:

    Users are legally obliged to report any serious incidents involving this device to both the manufacturer and the relevant Competent Authority.

    Manufacturer Vigilance Contact:lvan@tazlaser.com

    EU AR Contact: MedPath GmbH (details above)

    5. Compatible Accessories

    To ensure safety and performance, only compatible accessories meeting the following specifications shall be used:

    Accessory

    Specification

    Requirement

    Optical Fiber

    Core Diameter: 400μm (980nm) or 600μm (1470nm)
    NA ≥ 0.22
    Connector: SMA905
    CE Marked, Sterile, Single-use

    Mandatory

    Safety Goggles

    Optical Density (OD) ≥ 4 for 800–1700nm

    Mandatory

    Foot Switch

    IPX8 rated, compatible connector

    Provided

    The use of optical fiber not specified as compatible may result in equipment damage, inadequate therapeutic efficacy, and is strictly prohibited.

    6. Contact for Regulatory Inquiries

    For regulatory support, technical files, or additional compliance information, please contact:

    Quality Department

    Baoding Te'anzhou Electronic Technology Co., Ltd.

    Email: lvan@tazlaser.com

    Tel: +86-18331271987

    Web: www.tazmedicalaser.com

    Baoding Te'anzhou Electronic Technology Co., Ltd. (TAZLASER© 2026). All rights reserved. The appearance, hardware control system, and control software are protected by copyright. This document or its contents may not be disclosed to third parties or copied without express written permission. Last updated: 7 July 2026.

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