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China ​ Customized Nitinol Push Rod with Spring Assembly and Superelastic Performance for sale
China ​ Customized Nitinol Push Rod with Spring Assembly and Superelastic Performance for sale
China ​ Customized Nitinol Push Rod with Spring Assembly and Superelastic Performance for sale
China ​ Customized Nitinol Push Rod with Spring Assembly and Superelastic Performance for sale
China ​ Customized Nitinol Push Rod with Spring Assembly and Superelastic Performance for sale
China ​ Customized Nitinol Push Rod with Spring Assembly and Superelastic Performance for sale
China ​ Customized Nitinol Push Rod with Spring Assembly and Superelastic Performance for sale
China ​ Customized Nitinol Push Rod with Spring Assembly and Superelastic Performance for sale

​ Customized Nitinol Push Rod with Spring Assembly and Superelastic Performance

Price Negotiable
Price: 15USD
MOQ: 5pcs
Delivery Time: 5-25 Days
Brand: Shomea
Product Description

​ Customized Nitinol Push Rod with Spring Assembly and Superelastic Performance

Products Name ​ Customized Nitinol Push Rod with Spring Assembly and Superelastic Performance
Material Stainless Steel, Brass, Aluminum, brass, copper ,etc
Surface treatment Sandblasting, polishing, knurling, laser marking, etc
Tube Outer Diameter 0.25-15mm
Tube wall Thickness 0.05-3mm
meta Base Male and Female thread
Tolerance OD/ID±0.02mm L±0.05mm or According to Drawing
Size 3G-32G or Customized
LOGO Can be customized according to your drawing
Samples Usually provid 5-10pcs samples for testing before mass production
Delivery Time usually 5-25days or according to quantity

Product Highlights:


1. Material Selection:​ The push rod body is made of Nitinol shape memory alloy, endowing it with excellent superelasticity​ and shape recovery capability, ensuring structural stability even under complex stress conditions.
2. Structural Design:​ A precision spring structure​ is integrated into the middle section of the rod, enabling axial cushioning​ and dynamic rebound, effectively absorbing reverse impact during puncture to enhance operational smoothness.
3. Dimensional Accuracy:​ The needle diameter and spring segment length support micron-level tolerance control, ensuring high-precision fit​ with instruments such as coaxial needles / biopsy needles, preventing looseness or jamming.
4. Surface Treatment:​ The surface undergoes electrolytic polishing​ or passivation, delivering smooth low-friction​ properties to reduce tissue trauma risk, while enhancing corrosion resistance​ and biocompatibility.
5. Functional Adaptation:​ The end is fitted with a standardized metal interface​ (e.g., Luer Lock), supporting seamless docking with image-guided devices​ or manual/electrical drive units, meeting the needs of minimally invasive surgery​ and precise sampling​ scenarios.

Frequently Asked Questions:

Q1: What is the specific function of the spring structure inside the Nitinol push rod?​
A1:​ The built-in precision spring structure​ provides axial cushioning and dynamic rebound​ during puncture, effectively absorbing reverse impact to improve operational smoothness and reduce tissue trauma.
Q2: How does the superelastic property perform in actual operation?​
A2:​ The superelastic property​ allows the push rod to maintain thrust transmission even in a bent state, automatically returning to its original shape after force is released, ideal for precise delivery along tortuous paths.
Q3: Can this push rod be used with common biopsy needles on the market?​
A3:​ Yes. The end features a standardized metal interface, compatible with mainstream coaxial needle and biopsy needle systems, ensuring secure connection without additional adapters.
Q4: Has the push rod surface undergone special treatment? Will it increase tissue friction?​
A4:​ The surface is electropolished, creating a smooth low-friction coating​ that significantly reduces tissue adhesion and frictional resistance, protecting sample integrity.
Q5: Can the rod length and spring stiffness be customized for specific surgical needs?​
A5:​ Yes. Total rod length, spring segment length, and elasticity coefficient​ are customizable to meet operational requirements for different puncture depths and tissue hardness levels.

For Tooling Cost, We need fully amount payment, For goods payment, if amount less than 1500USD, We need fully payment ,If more than 1500USD, We can accept 50% as deposit, the balance should be pay before ship all goods.

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shenzhen Shomea Hardware Products Co.,Ltd
Location D5 Building, Fuhai Science And Technology Industrial Park, XinHe Community, FuHai Street, BaoAn Dis, Shenzhen City, GuangDong Province China
Contact Person Joan

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