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Biocompatible Nitinol Flat Wire with Shape Memory for Medical Use in Orthopedic Fixation Devices

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Biocompatible Nitinol Flat Wire with Shape Memory for Medical Use in Orthopedic Fixation Devices

Name: Biocompatible Nitinol Flat Wire with Shape Memory for Medical Use in Orthopedic Fixation Devices
Brand: niktech
Price: 1 USD

Model Number : nitinol

application : medical use application

Packing : neutral packing

Certification : ISO 9001:2008

MOQ : 1meter

Delivery Time : 2-30days

Series : niti alloy

Payment Terms : T/T, Western Union

Lead Time : 7-20 days

surface : bright, brown, blue, oxide, black, golden

Price : Negotiatable

Capacity : 500000pcs per month

Supply Ability : 20000pcs per week

moq : 1meter

Place of Origin : Jiangsu, China

Brand Name : niktech

shape : flat wire

Packaging Details : box

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Nitinol Round Wire Low-Force Superelastic Strand for Orthodontic Archwire & Root Canal Endodontic Files

1. Product Description

Manufactured with precision thermo-mechanical processing and medical-grade vacuum smelting, this dedicated nitinol round wire complies fully with ASTM F2063 industry standards for internal organ interventional applications. Tailored thermo-responsive transformation temperatures deliver reliable shape restoration under human physiological temperature, suited for repeated expansion and reset of urinary and gastrointestinal implant structures. The refined smooth surface resists mucus adhesion and bodily fluid erosion, effectively reducing postoperative blockage and inflammation risks. With stable superelasticity and low residual deformation, this wire maintains long-term structural stability inside humid internal organ environments, supporting durable minimally invasive treatment solutions for global urology and gastroenterology medical devices.

Biocompatible Nitinol Flat Wire with Shape Memory for Medical Use in Orthopedic Fixation Devices

2. Standard Parameter Table (Chemistry / Mechanical / Dimension / Executive Standard Calibrated)

Classification	Standard Spec	Supplementary Medical Notes
Chemical Composition (wt%)	Ni:54.5–57.0, Ti:Balance; C≤0.005, Fe≤0.025, O+N≤0.05, H≤0.002, Co/Cu/Cr≤0.005	VIM-VAR low-inclusion implant grade
Superelastic UTS (22°C Test)	1000–1300 MPa	Graded S/C/D alloy codes
Minimum Elongation	≥10%	Straightened SE delivery state
Upper Plateau Stress	400–480 MPa	Stable gentle vascular force output
Permanent Set after 6% Strain	<0.5%	Avoid device loosening inside vessels
Custom Af Temperature Range	-30℃ ~ 70℃	10–30℃ grades optimized for human implantation
Diameter & Tolerance	0.013–4.0mm; ±0.002~±0.02mm	Micro filaments to thick basket strands
Surface Finishes for Medical Use	Etched, bright polished, ultra-gloss ground	Passive TiO₂ anti-corrosion film
Compliance Standards	ASTM F2063-18, ASTM F2516-18, ISO 10993	Full biocompatibility validation
Supply Format	Tangle-free spools, fixed cut lengths, compact coils	Cleanroom secondary processing friendly

3.Advantage

Oral-temperature responsive shape memory generates steady mild alignment force, reducing frequent orthodontic adjustment visits
Ultra-smooth polished wire minimizes bracket friction and oral mucosal abrasion to lower patient soreness during orthodontic treatment
High cyclic fatigue resistance avoids premature wire deformation throughout multi-month tooth correction cycles
Ultra-fine diameter variants support micro endodontic files for narrow, curved root canal cleaning and shaping
Strictly controlled trace impurity levels pass oral biocompatibility testing to prevent gingival swelling or allergic reactions
Multiple standardized spool lengths and straight cut pieces streamline mass production of orthodontic appliance components

4. Application

nitinol round wire acts as core raw strand for cardiovascular guidewire cores, cerebral aneurysm capture snares, biliary stone retrieval baskets, ureteral stent braids and peripheral vascular intervention frames. It is widely selected by interventional medical device labs across North America, Europe and the Middle East for developing Class II/III disposable and permanent surgical implants used in cath labs and endoscopy centers worldwide.

5. FAQ

Q1: What Af temperature grade works best for routine orthodontic archwire production?

A: Grades with Af at 25±5℃ activate steady alignment force under natural oral temperature for comfortable tooth movement.

Q2: Can ultra-fine nitinol round wire be customized for narrow curved root canal files?

A: Micro diameters starting at 0.013mm are available with ultra-tight tolerances to match miniature endodontic instrument blueprints.

Q3: Will this nitinol wire trigger oral allergic reactions in patients?

A: Low-impurity VIM-VAR melt composition plus passivated surface limits nickel release and passes ISO 10993 oral biocompatibility assessments.

Q4: How long can superelastic orthodontic nitinol round wire maintain stable correction force?

A: The alloy retains consistent elastic performance over 6+ months without obvious force attenuation for full orthodontic alignment cycles.

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