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Medical CNC Machining Service
At Istar Machining, we make medical parts that doctors and hospitals count on. From tiny surgical tools to implants that go in your body, our machines cut metal and plastic with amazing accuracy. Let’s see how our medical CNC machining can help your next project!
- Super clean - no germs allowed!
- Very precise - even tiny mistakes can cause big problems
- Made from safe materials - must work well inside the body
- Follow strict rules - like FDA 21 CFR Part 820 and ISO 13485
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20+ Years
Istar Machining's years in the industry
300,000 square feet
The size of Istar Machining's factory
856 CNC machines
Our CNC equipment count
2000+ skilled workers
Istar's number of skilled machinists/operators
What is Medical CNC Machining?
Medical CNC machining uses computer-controlled tools to make parts for the medical field. These special machines follow exact instructions to cut, shape, and polish materials with micron-level precision. This means parts that fit perfectly in the human body or tools that work exactly as doctors need them to.
Why Medical Parts Need Special Care
Medical parts must be:
- Super clean– no germs allowed!
- Very precise– even tiny mistakes can cause big problems
- Made from safe materials– must work well inside the body
- Follow strict rules– like FDA 21 CFR Part 820 and ISO 13485
Our Top Medical CNC Services
What We Make | How We Make It | Why It Matters |
Orthopedic implants (knee/hip) | 5-Axis CNC Machining with ±0.001 mm tolerance | Perfect fit means less pain and faster healing |
Surgical robotics parts | Complex geometry machining | Helps doctors perform super precise operations |
Dental implants | Biocompatible materials like ASTM F136 titanium | Safe for your mouth and lasts many years |
Micro-scale parts for catheters | Swiss-Type Machining | Ultra-thin, perfect tubes that go through blood vessels |
Custom surgical tools | Cleanroom Machining | Tools ready for immediate use in surgery |
Patient-specific guides | Rapid Prototyping (3-5 days) | Custom parts that match exactly to your body |
Implant surfaces | Electropolishing | Super smooth surfaces that prevent infections |
Materials and Their Best Uses
CNC machining offers precision and versatility for a wide range of medical-grade materials. Choosing the right material is critical for performance, safety, and compliance. Here are common materials we work with for medical applications:
Metals
Stainless Steel
Titanium
Cobalt-Chrome Alloys
Aluminum
Stainless Steel
Stainless Steel (Common Medical Grades: 316L, 304L, 17-4 PH, 420, 440C)
Description: Highly resistant to corrosion and staining, durable, and easily sterilized. Medical grades (like 316L) offer excellent biocompatibility. Different grades provide varying levels of strength, hardness, and corrosion resistance.
Good for:
- Surgical instruments (scalpels, forceps, retractors)
- Orthopedic implants (bone screws, plates – especially 316L)
- Dental instruments and implants
- Device housings and enclosures
- Fluid handling components and connectors
- Sterilization trays and equipment
Why customers love it: “Its proven biocompatibility (esp. 316L), excellent corrosion resistance, sterilizability, and balance of strength and cost make it a reliable standard for many non-implant and implantable medical devices.”
Titanium
Titanium (Common Medical Grades: Grade 5 – Ti-6Al-4V, Grade 2 – Commercially Pure)
Description: Exceptional biocompatibility, superior strength-to-weight ratio, highly resistant to corrosion (especially body fluids), and non-magnetic (MRI compatible). Can be challenging to machine.
Good for:
- Orthopedic implants (hip, knee, spinal implants)
- Dental implants and abutments
- Pacemaker cases and implantable electronic device housings
- Surgical instruments (lightweight, non-magnetic)
- External fixation devices
- Cardiovascular devices (stent structures – though often processed differently)
Why customers love it: “Unmatched biocompatibility for long-term implantation, high strength with low weight reduces patient load, and excellent corrosion resistance ensures device longevity and patient safety. MRI compatibility is a significant advantage.”
Cobalt-Chrome Alloys
Cobalt-Chrome Alloys (CoCr, e.g., CoCrMo)
Description: Known for very high strength, hardness, excellent wear resistance, and good biocompatibility and corrosion resistance. More difficult to machine than Titanium or Stainless Steel.
Good for:
- Orthopedic implants, especially articulating surfaces in hip and knee replacements
- Dental implants, bridges, and frameworks
- High-stress surgical instruments
Why customers love it: “Its exceptional wear resistance and strength make it ideal for demanding, long-lasting implant applications like artificial joints, ensuring durability and performance over time.”
Aluminum
Aluminum (Common Grades: 6061, 7075)
Description: Lightweight, good machinability, excellent thermal and electrical conductivity, and cost-effective. Can be anodized for improved corrosion resistance and color-coding. Generally not used for implants due to lower biocompatibility compared to Ti or SS.
Good for:
- Medical equipment housings and enclosures
- Support structures and frames for diagnostic equipment
- Orthotics and prosthetic components (non-implantable)
- Heat sinks and thermal management parts
- Fixtures, jigs, and tooling for medical manufacturing
- Prototypes for form and fit testing
Why customers love it: “It offers a great combination of low weight, ease of machining, and cost-effectiveness for non-implantable components, equipment housings, and prototyping needs.”
Plastics
PEEK
Radel® (Polyphenylsulfone)
Ultem™ (Polyetherimide)
Polycarbonate
Acetal (POM / Delrin®)
UHMWPE
PEEK
Description: High-performance thermoplastic with excellent mechanical strength, stiffness, chemical resistance, and biocompatibility (implantable grades available). Withstands multiple sterilization cycles (steam, EtO, gamma). Radiolucent (doesn’t obstruct X-rays).
Good for:
- Spinal fusion cages and orthopedic implants
- Dental healing caps and temporary abutments
- Trauma fixation devices
- Surgical instruments and targeting guides
- Analytical equipment components (chromatography parts)
- Electrical connectors and insulators in medical devices
Why customers love it: “Offers metal-like strength with excellent biocompatibility and radiolucency, making it a top choice for implants where imaging is needed. Its sterilizability and chemical resistance are also key benefits.”
Radel® (Polyphenylsulfone)
Description: High-performance thermoplastic offering excellent toughness, impact strength, and high heat resistance. Withstands repeated steam sterilization cycles exceptionally well. Good chemical resistance and available in transparent/opaque biocompatible grades.
Good for:
- Surgical instrument handles and components
- Sterilization trays and cases
- Medical device housings requiring repeated sterilization
- Fluid handling components
Why customers love it: “Its ability to withstand numerous autoclave cycles without degradation, combined with its toughness and biocompatibility, makes it perfect for reusable surgical instruments and trays.”
Ultem™ (Polyetherimide)
Description: High-strength amorphous thermoplastic with high heat resistance, good chemical resistance, and dimensional stability. Biocompatible grades available. Withstands multiple sterilization methods (steam, EtO, gamma). Often amber/transparent.
Good for:
- Medical device components requiring strength and stiffness at high temperatures
- Electrical connectors and insulators
- Reusable instrument components
- Diagnostic equipment parts
- Manifolds and fluid handling parts
Why customers love it: “Provides high strength, stiffness, and excellent resistance to repeated sterilization, often at a slightly lower cost than PEEK for applications not requiring PEEK’s specific mechanical properties.”
Polycarbonate
Description: Strong, highly impact-resistant, and transparent thermoplastic. Good dimensional stability. Medical grades offer biocompatibility. Sterilizable via EtO and gamma radiation; limited autoclave resistance.
Good for:
- Medical device housings and enclosures (where transparency is needed)
- Fluid connectors and stopcocks
- Surgical face shields and safety goggles
- Dialysis equipment components
- Single-use devices
Why customers love it: “Its transparency, high impact strength, and cost-effectiveness make it ideal for housings, visors, and many single-use devices where clarity and toughness are important.”
Acetal (POM / Delrin®)
Description: Strong, stiff thermoplastic with low friction, excellent dimensional stability, and good machinability. Medical grades offer biocompatibility for specific applications (often surface contact, not implants). Good resistance to cleaning agents.
Good for:
- Functional components in medical devices (gears, bearings – non-implant)
- Handles for instruments
- Drug delivery device components
- Fixtures and assembly aids
- Functional prototypes
Why customers love it: “Excellent machinability, stiffness, and low friction make it great for precise, functional parts in devices and instruments where long-term implantation isn’t required.”
UHMWPE
Description: Extremely high abrasion resistance, very low coefficient of friction, high impact strength, and good biocompatibility. Often supplied as semi-finished shapes (rods, sheets) for machining.
Good for:
- Articulating surfaces in orthopedic implants (hip, knee, shoulder joint liners)
- Wear components in medical devices
- Impact pads and bumpers
Why customers love it: “Its unparalleled wear resistance and low friction are critical for the longevity and success of artificial joints, providing smooth articulation for decades.”
CNC Products Produced by Istar Machining
How We Make Medical Parts Special
1. Super Precise Machining
Our machines can cut parts as small as 0.5mm with perfect accuracy. This makes tiny parts for things like hearing aids or dental tools. Our precision CNC machining service ensures every part meets exact specifications.
2. Clean Room Standards
Medical parts need to be super clean. We make sure no dust or germs get on your parts during manufacturing.
3. Special Surface Treatments
We can make surfaces:
- Extra smooth (to prevent bacteria growth)
- Textured (to help bone grow into implants)
- Polished (for perfect movement)
4. Testing Everything
We check every part with special tools to make sure:
- The size is exactly right
- The shape is perfect
- The material is strong enough
- No tiny cracks or problems exist
Real-World Uses of Our Medical CNC Parts
Our parts help in many medical areas:
Why Doctors and Medical Companies Choose Us
FDA Compliance
We follow all the strict rules for medical manufacturing
Fast Turnaround
Get parts in 3-5 days when needed urgently
Material Knowledge
We know which metals and plastics work best in the body
Perfect Quality
Our parts don't fail when lives depend on them
Clean Production
No contamination in our manufacturing process
From Idea to Finished Medical Product
Design Review
We look at your designs and suggest improvements
Prototype Making
We make test pieces to try out
Testing Support
We help make sure everything works right
Final Production
We make your finished parts exactly to spec
Documentation
We provide all paperwork needed for medical approval
Quality That Saves Lives
In medical work, quality isn’t just about looking good—it’s about saving lives. Our automated inspection systems check every part with computer precision. We use special Renishaw probes to measure parts down to 0.001mm—thinner than a human hair!
Ready to Make Your Medical Parts?
Whether you need surgical instruments, implants, or medical device components, our medical micro machining capabilities deliver the precision your patients deserve.
Contact Istar Machining today to discuss your medical CNC machining needs. We’re ready to help make parts that improve and save lives!
Frequently Asked Question
A: Yes! We work with FDA-approved materials that are safe for implants.
A: We offer rapid prototyping in 3-5 days and can set up regular production schedules.
A: Absolutely. Our engineers can review your designs and suggest improvements for better manufacturing.
A: We maintain ISO 13485, ISO 9001, and follow FDA 21 CFR Part 820 requirements.
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