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Medical device
At Bost, we focus on the applications of special engineering plastics and engineering plastics in medical device industry, offering high-performance materials that ensure safety, precision, and innovation in healthcare solutions.
Key Trends & Advantages
By leveraging these materials, medical device manufacturers enhance performance, reduce costs, and accelerate innovation while prioritizing patient safety and regulatory compliance.
Biocompatibility
Materials like PEEK and PEI meet ISO 10993 standards for direct tissue contact, enabling safer implantable devices.
Sterilization Resistance
PSU and PEI withstand repeated autoclaving, reducing equipment downtime.
Miniaturization
PI and PTFE enable smaller, more flexible medical devices (e.g., catheters, implants).
Chemical Resistance
PPS and PTFE excel in corrosive environments, ideal for drug delivery systems and chemical handling.
Engineering Plastics
Engineering plastics offer a balance of mechanical strength, cost-effectiveness, and biocompatibility, making them suitable for non-critical but structurally demanding medical components.
Polycarbonate (PC)
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Applications
Surgical instrument housings, diagnostic device covers, and implantable device packaging.
Why
High impact resistance, transparency, and resistance to gamma radiation for sterilization.
Example
PC-based surgical tool handles that withstand repeated autoclaving while maintaining optical clarity for internal component visibility.
Image
A sleek PC surgical instrument handle with ergonomic grips, showcasing its impact-resistant and sterilizable design.
Nylon (PA)
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Applications
Dental prosthetics, orthopedic braces, and medical device fasteners.
Why
High tensile strength, abrasion resistance, and flexibility for dynamic loading.
Example
Nylon dental aligners that gradually shift teeth while resisting saliva and oral chemicals.
Image
A custom-fit nylon dental aligner with precise contours for comfortable wear.
Acrylonitrile Butadiene Styrene (ABS)
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Applications
Non-critical device housings, diagnostic equipment frames, and labware.
Why
Cost-effective, easy to mold, and compatible with mild disinfectants.
Example
ABS housings for portable ECG machines, providing structural rigidity at a low cost.
Image
A lightweight ABS ECG housing with vented cooling slots and a glossy finish.
Polybutylene Terephthalate (PBT)
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Applications
Drug delivery devices (e.g., autoinjectors), fluid handling systems, and biosensor components.
Why
High chemical resistance, dimensional stability, and low moisture absorption.
Example
PBT cartridges in insulin pens, ensuring precise drug dosing and compatibility with pharmaceutical formulations.
Image
A PBT autoinjector cartridge with a hermetic seal for drug stability.
Specialty Engineering Plastics
Special engineering plastics excel in extreme conditions, including high temperatures, chemical exposure, and critical structural roles.
Polyphenylene Sulfide (PPS)
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Applications
Surgical instrument handles, sensor modules, and connectors.
Why
Flame retardancy (UL94 V-0), chemical resistance, and dimensional stability.
Example
PPS handles for laparoscopic graspers, ensuring sterilizability and durability during repetitive use.
Image
A PPS surgical grasper handle with a non-slip texture for secure grip.
Polyether Ether Ketone (PEEK)
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Applications
Spinal implants (e.g., fusion cages), surgical instruments, and implantable electronics.
Why
Exceptional biocompatibility, heat resistance (up to 260°C), and radiolucency for imaging.
Example
PEEK spinal fusion cages with porous surfaces to promote bone integration, used in minimally invasive spine surgeries.
Image
A 3D-printed PEEK fusion cage with intricate porosity, designed to mimic natural bone structure.
Polysulfone (PSU)
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Applications
Autoclavable trays, endoscopic components, and medical-grade tubing.
Why
High transparency, hydrolytic stability, and resistance to steam sterilization.
Example
PSU trays for sterilizing surgical tools, maintaining clarity after repeated autoclaving.
Image
A clear PSU sterilization tray with raised edges to prevent liquid spillage.
Polytetrafluoroethylene (PTFE)
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Applications
Catheter coatings, non-stick surfaces, and drug-eluting implants.
Why
Ultra-low friction coefficient, chemical inertness, and biocompatibility.
Example
PTFE-coated vascular catheters that reduce thrombogenicity and improve patient comfort during insertion.
Image
A PTFE-coated catheter with a smooth, non-stick surface for seamless navigation.
Polyetherimide (PEI)
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Applications
High-temperature surgical instruments, sterilization trays, and implantable trial components.
Why
High heat resistance (up to 170°C), flame retardancy, and biocompatibility (USP Class VI).
Example
PEI handles for electrosurgical scalpels, maintaining structural integrity during prolonged use.
Image
A lightweight PEI scalpel handle with heat-resistant properties for precision surgeries.
Polyimide (PI)
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Applications
Flexible circuits in pacemakers, high-temperature gaskets, and catheter tubing.
Why
Thermal stability (up to 400°C), biocompatibility, and resistance to radiation.
Example
PI-based flexible printed circuits in implantable defibrillators, ensuring reliable electrical connections.
Image
A thin, bendable PI circuit with gold-plated contacts for miniaturized medical devices.
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