Medical Device Coating Expertise for Blood-Contacting Devices
Pioneers at the Forefront of Surface Coated Innovation
Alta Biomed has a 20+ year legacy in developing next-generation coatings for medical device implants. We combine medical device coating expertise, PzF polymer technology, blood-contacting device testing, and cleanroom manufacturing capabilities to support vascular and other blood-contacting medical device programs.
Our team works with device developers to evaluate PzF coating feasibility, develop coating processes, assess coating integrity, support acute particulate testing, and compare coated and uncoated devices using dynamic human blood loop testing.
With experience spanning polymer coating development, surface chemistry, preclinical evaluation, quality systems, and commercial medical device programs, Alta Biomed is positioned to support customers from early feasibility through development, testing, and manufacturing implementation.
Why Alta Biomed
Blood-contacting medical devices require more than a coating chemistry. A successful coating program must consider the device material, geometry, surface preparation, coating process, coating integrity, particulate risk, hemocompatibility, regulatory expectations, and manufacturing feasibility.
Alta Biomed brings these areas together in one focused development partner.
Alta’s expertise includes:
PzF thin-film coating development
Vascular and blood-contacting device coating feasibility
Surface preparation and adhesion strategy development
Coating process optimization
Coating integrity inspection
Acute particulate testing support
Dynamic human blood loop testing
Coated vs. uncoated device comparisons
Cleanroom coating and manufacturing support
Quality system and regulatory development experience
Coating Development Expertise
Alta Biomed supports medical device companies developing coated vascular, catheter-based, implantable, and other blood-contacting devices. Our coating programs are tailored to the customer’s device, material, geometry, intended use, and development stage.
PzF coating development may include:
Device and material review
Cleaning and surface preparation evaluation
Plasma treatment and adhesion promotion
PzF coating application
Dip coating or device-specific coating process development
Coating coverage assessment
Coating thickness and surface characterization strategy
Simulated use evaluation
Coating integrity inspection
Process scale-up and manufacturing support
Because each device behaves differently, Alta emphasizes device-specific feasibility testing using representative coupons, components, prototypes, or finished devices whenever possible.
Blood-Contacting Device Testing Expertise
Alta Biomed supports development-stage evaluation of blood-contacting devices using dynamic human blood loop testing. This capability can be used to compare coated and uncoated devices, evaluate thrombus-related outcomes, assess blood-material interactions, and support ISO 10993-4-aligned hemocompatibility evaluation planning.
Testing programs may evaluate endpoints related to:
Thrombus accumulation
Fibrin or protein deposition
Platelet-related response
Endothelial response
Hemolysis-related measurements
Hematology changes
Device-specific regions of blood interaction
Coated vs. uncoated performance comparisons
Blood loop testing can be especially useful for devices where geometry, flow path, material surface, or coating coverage may influence blood interaction under dynamic conditions.
Coating Integrity and Particulate Evaluation
Coated medical devices may need to be evaluated after manufacturing, handling, delivery, deployment, retrieval, or simulated use. Alta supports coating integrity inspection and acute particulate testing for coated and blood-contacting devices.
Alta can help customers evaluate:
Coating cracks, peeling, delamination, or defects
Surface artifacts, residues, or nonuniform regions
Simulated-use effects on coating integrity
Acute particulate generation
Coated vs. uncoated device comparisons
Design or process iteration comparisons
Optical microscopy and SEM imaging, when appropriate
Device-specific particulate collection strategies
These evaluations can help developers understand coating robustness, identify potential particulate sources, and support development-stage risk assessment.
Facilities and Cleanroom Capabilities
Alta Biomed is located in Carlsbad, California, with facilities designed to support polymer synthesis, coating development, device processing, testing, and cleanroom manufacturing activities.
Alta’s capabilities include:
ISO 14644 Class 7 cleanroom space
R&D and PzF synthesis laboratory space
Polymer coating process development
Surface chemistry and coating analysis support
Device coating in laboratory or cleanroom environments
Preclinical and development-stage device processing support
Manufacturing implementation and technical transfer support
These facilities allow Alta to support programs ranging from early coating feasibility through more formal development and manufacturing readiness activities.
Commercial and Development Experience
Alta Biomed’s team has experience with PzF-coated and polymer-coated medical device technologies across research, development, preclinical evaluation, quality systems, and commercialization.
Alta’s history includes experience with PzF-coated device platforms, coating process development, drug-loadable microsphere and embolic bead technologies, and vascular implant coating programs.
This background gives Alta practical insight into the challenges medical device companies face when translating a surface coating from early feasibility into a controlled, testable, and manufacturable process.
Quality and Regulatory Development Perspective
Coating programs for medical devices must be developed with quality, documentation, reproducibility, and regulatory expectations in mind. Alta Biomed brings experience with medical device quality systems, coating process documentation, and development programs involving implantable and blood-contacting technologies.
Alta can support customers by helping generate development-stage data, coating process documentation, inspection outputs, test summaries, and technical information that may support internal design decisions and regulatory planning.
Testing and coating strategies should be determined based on the finished device, intended use, risk assessment, applicable standards, and regulatory pathway.
PzF Publications and Technical Background
PzF and related polyphosphazene-coated device technologies have been evaluated in published preclinical and clinical literature. Alta Biomed can help customers understand how PzF coating technology may be evaluated for new device applications, materials, and use environments.
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Selected publications and supporting technical references are available on Alta Biomed’s Publications page.
Partner with Alta Biomed
Have a vascular, catheter-based, implantable, or other blood-contacting medical device that may benefit from PzF surface modification? Alta Biomed can support coating feasibility, process development, coating integrity evaluation, particulate testing, and hemocompatibility testing.