Medical interventional catheter
Elastomer polyamide is a thermoplastic elastomer composed of rigid polyamide and flexible polyether block copolymer without plasticizer. Due to its high rebound, excellent torque control, and anti-twist characteristics, it has been successfully applied in various medical tubes in the medical market. Medical hygiene materials are special functional materials that are used in medical processes and come into direct or indirect contact with human tissues. Therefore, for medical hygiene polymers, In particular, implantable medical polymer materials should meet the following performance requirements: non-toxicity, chemical inertness, tissue compatibility, blood compatibility, biological aging resistance, disinfection, non-carcinogenicity and easy processing, so as to ensure the safety of the material to the human body.
PA materials have a similar amide structure with natural human protein macromolecules, have good biocompatibility, and are not easy to cause stimulation signals in biological cells. In addition, it also has good chemical stability and controllable mechanical properties. At the same time, the cells can be adsorbed on the surface of the PA material.
When designing catheters (for PTCA, angioplasty, guidewires, catheters, stent delivery, or neurosurgery), material selection is crucial for achieving optimal diagnosis or treatment. Therefore, it is crucial to choose a material that can meet the requirements of biocompatibility, sterilization, chemical resistance, low hysteresis, and anti-twist. Using elastomer polyamide as the material of medical catheter, its various properties meet the safety of medical interventional catheter itself, and can also enable medical staff to better control the catheter and effectively perform surgery.
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