China Wholesale Uterine Dilators Set Factory & Supplier

Precision-Engineered Surgical Grade Hegar, Hank, & Pratt Cervical Dilators — ISO 13485:2016 Certified Manufacturing with Direct OEM & B2B Wholesale Supply

Featured Uterine & Cervical Dilator Sets

Explore our medical-grade stainless steel cervical dilation instruments engineered for hospital-grade performance, durability, and ergonomic surgical control.

Hegar Dilator Set Medical Grade Stainless Steel

Hegar Dilator Set Medical Grade Stainless Steel Multiple Size Cervical Uterine Dilators Gynecological Surgical Instrument

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Custom Stainless Steel Hegar Dilator Set Double Ended

Custom Stainless Steel Hegar Dilator Set Double Ended Gynecology Surgical Instruments with Protective Carrying Case

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Ruya Surgical Hank Uterine Dilators Manual Double Ended Set

Ruya Surgical Hank Uterine Dilators Manual Double Ended Set 6 Dilators German Stainless Steel CE Approved Class I General 1 Year

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BK Industries Hegar Uterine Dilator Instrument Set

BK Industries Hegar Uterine Dilator Instrument Set Stainless Steel Manual Surgical Tools for Hospitals Clinics CE Certified

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Azicon 8-Piece Hegar Uterine Dilator Sounds Set

Azicon's 8-Piece Hegar Uterine Dilator Sounds Set Double Ended Cervical Dilation Gynecological Uterine Dilator Sounds Set

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GyneBio Surgical Hegar Uterine Dilators Set of 10

GyneBio stainless steel Surgical Hegar Uterine Dilators Set of 10 Stainless Steel Urology Gynecology Instruments

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Stainless Steel Hank Uterine Dilators Set of 6

High Quality Stainless Steel Hank Uterine Dilators Set of 6 Surgical Instruments Manufacturer and Exporter

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Orthopedic Surgery Cervical Retractor System DLC Treated

Orthopedic Surgery Cervical Retractor System Stainless Steel DLC Treated Class I FULE Brand Implants Interventional Materials

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25,000+
Surgical Catalog SKUs
ISO 13485
Quality Management
50+
Export Destinations
100%
Passivation Tested

Comprehensive Procurement & Technical Specification Guide

Understanding metallurgical grades, mechanical tolerances, and clinical geometry when sourcing uterine dilator sets at scale.

Metallurgical Engineering

Fabricated exclusively using surgical-grade AISI 304, AISI 316, and AISI 420 martensitic stainless steels. Our heat treatment cycles achieve Rockwell Hardness (HRC) values of 42–48, delivering high yield strength without brittleness.

Surface Electropolishing & Ra

Micro-smooth surface finishing with roughness values (Ra) under 0.2 µm. Advanced passivation removes free iron particles to prevent pitting corrosion under harsh chemical disinfection and repeated autoclave cycles at 134°C.

Full OEM & Custom Bundling

Custom laser-etched dimensional markings (in mm or French gauge), private label logo branding, customized rigid aluminum sterilization containers, and tailor-made kit combinations for global distributors and OEM brands.

Industry Benchmark: Hegar vs. Hank vs. Pratt Uterine Dilator Geometry

B2B medical device buyers must evaluate specific clinical anatomical requirements when placing bulk purchase orders. Below is a comparative breakdown of standard cervical dilator designs manufactured in our facility.

Dilator Type Tip & Body Geometry Standard Size Range Primary Clinical Application Sterilization Tolerance
Hegar Dilator Set Double-ended, smooth solid cylindrical rod with gradual rounded conical tip. 1mm / 2mm up to 17mm / 18mm (Pairs/Double-Ended) General cervical dilation, D&C, hysteroscopy, IUD insertion. Autoclave 134°C (500+ cycles), Ethylene Oxide (EtO), Gamma.
Hank Uterine Dilator Double-ended with defined ring collar stop to prevent over-insertion. 9 Fr / 10 Fr to 19 Fr / 20 Fr (French Gauge sizes) Outpatient cervical dilation, biopsy, artificial insemination. Autoclave 134°C (500+ cycles), Chemical Immersion.
Pratt Cervical Dilator Longer taper ratio with ultra-delicate rounded tip geometry. 13-15 Fr up to 41-43 Fr double-ended configurations Obstetric & gynecological procedures requiring minimal tissue trauma. Autoclave 134°C (500+ cycles), Dry Heat Sterilization.
Custom DLC Coated Set Diamond-Like Carbon (DLC) low-friction ceramic physical layer. Customized according to OEM hospital specifications Advanced interventional gynecological and retractor systems. Ultra-high durability (>1,000 sterilization cycles).

Future Procurement & Manufacturing Trends (2025–2030)

How evolving clinical safety guidelines, regulatory frameworks, and supply chain strategies are reshaping global uterine dilator sourcing.

1. Transition to Ergonomic Low-Trauma Contours

Modern gynecological surgical trends emphasize non-invasive outpatient procedures with localized anesthesia. Consequently, clinical demand is shifting toward dilators engineered with progressive taper ratios (e.g., Pratt and modified Hank profiles) that minimize cervical tear risks and post-procedure pain scores. B2B distributors are expanding inventory lines to include hybrid sets with protective insertion rings.

2. Strict Regulatory Harmonization (EU MDR & US FDA)

Global regulatory scrutiny on Class I medical devices has intensified. Hospitals and institutional purchasing groups now mandate complete technical dossiers, including biocompatibility reports (ISO 10993), chemical passivation validation, and UDI (Unique Device Identification) laser etching. As a premier China manufacturer, our facilities provide full MDR-compliant documentation and lot-traceable raw material mill test certificates.

3. Growth of Single-Use vs. Ultra-Durable Autoclavable Sets

While single-use polymer dilators have seen adoption in ambulatory care settings, high-grade stainless steel reusable instruments continue to dominate global procurement contracts due to superior tactile feedback and long-term cost efficiency. Future-focused procurement strategies increasingly favor high-nickel stainless alloys (AISI 316L) treated with anti-glare matte finishes.

4. Supply Chain Resilience & Direct-from-Factory OEM Partnerships

To hedge against market price volatility and middleman markup, international medical distributors are establishing direct OEM/ODM contracts with verified manufacturing facilities. Direct factory sourcing allows tailored kit compositions (e.g., combining cervical dilators with uterine sounds, speculums, and biopsy forceps in custom sterilizable cases) while lowering unit costs by 30% to 45%.

Enterprise Manufacturing Advantages

Why hospital chains, medical supply brands, and global distributors partner with our factory for volume surgical instrument supply.

ISO 13485:2016 Certified Facility

Our complete manufacturing pipeline operates under a strict ISO 13485 medical device quality management system. From raw bar stock selection to automated forging, CNC machining, manual hand-finishing, and final inspection, every step is rigorously documented.

100% Quality Control & Passivation

Every dilator undergoes ultrasonic cleaning, chemical passivation in accordance with ASTM A967 specifications, and boil-test validation. We guarantee zero surface defects, uniform smooth tapers, and perfect axial alignment on all double-ended dilators.

Rapid Production & Global Logistics

Equipped with multi-axis CNC lathes and dedicated polishing lines, our factory achieves a monthly capacity exceeding 50,000 surgical sets. Standard OEM orders ship within 10 to 20 working days with complete customs and export clearance support.

Frequently Asked Questions (FAQ) for B2B Buyers

Crucial technical, commercial, and regulatory answers for hospital procurement officers, medical brand owners, and wholesale importers.

What stainless steel grade is recommended for reusable uterine dilator sets?

We primarily manufacture using surgical grade AISI 304 and AISI 420 stainless steel. For environments requiring maximum corrosion resistance against frequent high-temperature steam sterilization (autoclaving), we highly recommend premium AISI 316 stainless steel. All materials meet international DIN and ASTM surgical instrument standards.

What is the minimum order quantity (MOQ) for OEM custom branding and private labeling?

Our flexible OEM production line allows low-MOQ custom manufacturing starting from 300 units or 50 complete sets. We offer custom fiber laser marking for company logos, size calibration (mm/Fr), lot codes, and custom-designed protective carrying cases or stainless steel sterilization boxes.

Are your uterine dilator sets compliant with international medical device regulations?

Yes. Our manufacturing facilities operate under ISO 13485:2016 and ISO 9001:2015 certified Quality Management Systems. Our products carry CE marking under European Medical Device Regulation (MDR Class I general surgical instruments) and align with US FDA establishment registration requirements.

How do Hegar dilators differ from Hank dilators in clinical practice and set packaging?

Hegar dilators feature a continuous smooth cylindrical shape with a rounded tip, available as double-ended pairs (e.g., 1/2mm, 3/4mm up to 17/18mm). Hank dilators incorporate a raised ring stop on the shaft to prevent over-insertion beyond the cervical canal, typically measured in French Gauge sizes (9 Fr to 20 Fr). Both can be combined into custom hospital kits based on your target market preferences.

What testing procedures are performed before shipment to ensure corrosion resistance?

Each production batch undergoes 100% visual inspection under magnification, surface roughness test (Ra < 0.2 µm), dimensional micrometer verification, and chemical passivation testing (boil testing and copper sulfate testing according to ASTM standards) to ensure zero rust risk during routine hospital sterilization.

What are the lead times for sample orders and bulk wholesale shipments?

Stock samples and standard catalog prototypes can be dispatched within 3 to 5 business days. Commercial bulk manufacturing orders typically require 10 to 20 working days, depending on custom packaging specifications and volume requirements. Air express and sea freight options are available worldwide.

Partner with China's Leading Uterine Dilator Set Manufacturer

Request factory-direct pricing, custom OEM samples, or technical product catalogs today. Our B2B export team responds within 12 business hours.

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