Implant Body: Yield Strength ≥795 MPa

Component Specifications

Definition

The implant body serves as the foundational structural element in medical implants, engineered to replace or support biological structures. It interfaces directly with human tissues, providing mechanical stability while facilitating osseointegration or tissue ingrowth. This component must withstand physiological loads, resist corrosion in biological environments, and maintain dimensional stability throughout its service life. Critical design considerations include stress distribution, fatigue resistance, and surface characteristics that promote biological acceptance.

Working Principle

Functions as a load-bearing scaffold that transfers mechanical forces from the implant to surrounding biological tissues while providing a stable platform for attachment of other implant components. Works through direct bone apposition (osseointegration) or soft tissue integration, depending on surface treatment and material properties.

Materials

Medical-grade titanium alloys (Ti-6Al-4V ELI), cobalt-chromium alloys (CoCrMo), surgical stainless steel (316L), PEEK polymers, or ceramic composites. Materials must meet ASTM F136, ISO 5832-2, or ISO 5832-12 standards for implant applications.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Fatigue Limit	≥500 MPa at 10^7 cycles
Yield Strength	≥795 MPa
Biocompatibility	ISO 10993 certified
Surface Roughness	Ra 0.8-6.3 μm
Surface Treatment	Grit-blasted, acid-etched, or plasma-sprayed
Dimensional Tolerance	±0.05 mm

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 13485, ISO 5832, ASTM F2063, ASTM F2885, DIN EN ISO 14630

Parent Products

This component is used in the following industrial products

Medical Implants

Medical devices surgically placed inside the body to replace, support, or enhance biological structures.

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Engineering Analysis

Risks & Mitigation

Aseptic loosening
Implant fracture
Corrosion in biological environment
Adverse tissue reaction
Infection risk
Stress shielding

FMEA Triads

Trigger: Inadequate surface preparation
Failure: Poor osseointegration leading to implant loosening
Mitigation: Implement controlled surface treatment processes with regular validation of surface characteristics

Trigger: Material impurities or improper heat treatment
Failure: Reduced fatigue strength leading to fracture
Mitigation: Strict material certification and process control with regular mechanical testing

Trigger: Geometric stress concentrators
Failure: Premature fatigue failure at sharp transitions
Mitigation: Design optimization with finite element analysis and implementation of smooth radius transitions

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Geometric tolerances per ISO 1101, dimensional tolerances typically ±0.05 mm for critical features, surface finish Ra 0.8-6.3 μm depending on application

Test Method

Mechanical testing per ASTM F382, corrosion testing per ASTM F2129, biocompatibility testing per ISO 10993, dimensional verification using coordinate measuring machines, surface characterization using profilometry

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

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Manufacturers of Implant Body

Manufacturer profiles associated with Implant Body.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What are the primary materials used for implant bodies?

Medical-grade titanium alloys (Ti-6Al-4V ELI) are most common due to excellent biocompatibility and strength-to-weight ratio. Cobalt-chromium alloys offer superior wear resistance for joint surfaces. PEEK polymers provide radiolucency and elastic modulus closer to bone. Ceramic composites offer exceptional wear resistance and biocompatibility.

How does surface treatment affect implant performance?

Surface treatments like grit-blasting, acid-etching, or plasma-spraying increase surface roughness and area, enhancing bone cell attachment and accelerating osseointegration. Hydroxyapatite coatings provide bioactive surfaces that promote direct bone bonding. Surface modifications also influence corrosion resistance and fatigue performance.

What are the critical quality control measures for implant bodies?

Dimensional verification using CMM, surface roughness measurement, material certification (chemistry, microstructure), mechanical testing (tensile, fatigue), biocompatibility testing per ISO 10993, and sterilization validation. Non-destructive testing methods include radiographic inspection and dye penetrant testing.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Implant Body