Medical Bracelet Prototypes

Medical Bracelet Prototypes

Medical Device

Project Information

Project TypeMedical Device
Quantity1 Set
ProcessCNC, Vacuum casting
MaterialStainless steel, PMMA, ABS, Rubber
ToleranceISO 2768 M

Project Content

Medical Bracelet Prototypes - Content 1

The Necessity of Prototyping in Medical Wearables

Medical bracelets are critical for continuous patient monitoring and emergency identification. High-fidelity prototyping is essential to validate: Sensor Accuracy: Providing a precise housing for heart rate, SpO2, or glucose sensors to ensure consistent skin contact and reliable data collection. Long-term Wearability: Testing the ergonomic curvature and weight distribution to ensure the device is comfortable for 24/7 use without causing skin irritation. Durability & Reliability: Verifying the mechanical strength of the strap and the water resistance (IP67/IP68) of the casing before clinical trials.

Advantages: Prototyping vs. Mass Production

Human Factors Validation: Creating multiple size variations (Small, Medium, Large) to test fitment across diverse patient demographics without investing in multiple injection molds. Regulatory Pre-compliance: Using prototypes for preliminary biocompatibility and safety testing required for FDA or CE certification.
Medical Bracelet Prototypes - Content 2
Medical Bracelet Prototypes - Content 3

Material Selection for Medical Bracelets

Medical-Grade Silicone / TPU: Used for the strap to provide a soft-touch feel, flexibility, and hypoallergenic properties. Stainless Steel (316L) / Titanium: Selected for premium enclosures or electrode sensors due to their excellent corrosion resistance and skin-friendly nature. Optical-Grade PMMA/PC: For the display window or sensor covers to ensure maximum light transmission for optical sensors.

Technical Processes & Manufacturing Steps

Micro-CNC Machining: Utilizing high-speed spindles to create ultra-small internal features for tiny electronic components and batteries. Over-molding (Vacuum Casting): Producing prototypes that combine a rigid plastic core with a soft-touch elastomer exterior in a single integrated part. Laser Micro-drilling: Creating microscopic holes for microphones or pressure sensors that are invisible to the naked eye. Advanced Surface Finishing: Including PVD Coating (for metallic aesthetics), Anti-fingerprint (AF) Coating, and Medical-grade Laser Marking for barcodes or patient IDs.
Medical Bracelet Prototypes - Content 4
Medical Bracelet Prototypes - Content 5

Precision & Compliance Standards

Ultra-Compact Tolerances: Maintaining tolerances of ±0.02mm to ensure the battery door and charging ports are perfectly sealed and aligned. Surface Roughness Control: Achieving Ra 0.4μm or smoother on all skin-contacting surfaces to prevent any abrasive discomfort or bacterial buildup.

Customer Feedback

"The medical bracelet prototypes delivered by Henny Manufacturing provided excellent quality and precision for our product development process."

— Project Manager, Medical Device Company

Want to Learn More Cases?

Contact us to get more industry cases and technical details

Contact Us