1.5mm TPU-EEG cable wire

Specifications:

• Single core conductor

• 65/0.05mm with Kevlar filler

• Medical TPU outer jacket

• OD1.5mm

• 10 beautiful colors available

Related Introduction only for reference:

1.5mm TPU Brain-Computer Interface Cable: Flexible Technology Revolutionizing Neural Signal Transmission

In the rapidly evolving field of brain-computer interface (BCI) technology, neural signal transmission cables are undergoing a material revolution. The 1.5mm-diameter TPU (thermoplastic polyurethane) brain-electrode cable, with its unique material properties, is redefining performance standards for neural signal acquisition devices. This seemingly ordinary cable is, in fact, a critical link bridging the human brain and the digital world.

1. Flexibility Revolution: Breaking Physical Limits of Traditional Cables

While traditional PVC brain-electrode cables become brittle and crack at bending radii exceeding 15cm in -20°C environments, the 1.5mm TPU cable maintains an extreme bending radius of 3cm even at -40°C. This exceptional flexibility stems from TPU’s microphase-separated structure of soft and hard molecular segments, enabling molecular-level balance between rigidity and elasticity. Clinical trials reveal that TPU-based EEG headbands exhibit only 0.2% deformation during 8 hours of continuous use, reducing motion artifacts by 87% compared to conventional materials.

2. Signal Fidelity: Building Precision Neural Pathways

TPU’s dielectric constant (3.5–4.5) is significantly lower than standard silicone (5.5–6.5), achieving 98.7% signal fidelity across the 0.5–100Hz EEG frequency range. The 1.5mm cable employs a triple-layer co-extrusion process: its inner conductive silver fiber layer (1,200 fibers/cm² density) synergizes with a middle-layer electromagnetic shield to suppress external interference below 0.3μV. In epilepsy monitoring, this cable has successfully captured 32ms characteristic waveforms missed by traditional devices, unlocking new diagnostic potential.

3. Biocompatibility: Engineering Imperceptible Human-Machine Interfaces

Medical-grade TPU, certified for ISO 10993 biocompatibility, features a 78° surface contact angle that forms a natural hydrophobic barrier. At 37°C, its bacterial colonization is 83% lower than silicone. The 1.5mm diameter, combined with 0.3N/mm² contact pressure design, reduces weight distribution of 256-channel electrode arrays to 0.8g/cm². Stroke rehabilitation patients report a 76% decrease in skin indentation and extended 14-hour wear tolerance.

4. Environmental Resilience: Expanding BCI Applications

In 85% humidity environments, TPU cables maintain volume resistivity >10¹⁵Ω·cm, with signal attenuation limited to 1.2dB/m. Their hydrolysis resistance extends lifespan to 8 years, far exceeding the 3-year standard of conventional materials. Antarctic expedition testing confirms baseline stability of ±0.5μV across -55°C to 70°C temperature swings, proving reliability for extreme-environment neuroscience research.

This 1.5mm TPU cable is quietly advancing neuroengineering. From Parkinson’s disease neuromodulation to astronaut brain monitoring, from VR interaction to smart prosthetic control, the fusion of flexible electronics and precision manufacturing is blurring the boundaries between biological tissue and artificial devices. As technology integrates with the human body in such a gentle yet profound way, we may be witnessing the historic moment when brain-computer interfaces truly transition from concept to reality.