RION Pneumatic-Electric Rotary Union Application Case for Surgical Robots
With 20 years of professional customized supporting experience, RION has long been deeply engaged in the R&D, production and sales of various slip rings. The company focuses on the technological research and development of core rotary connection components and has an in-depth understanding of the stringent supporting standards for high-end precision medical equipment. Catering to the core operational requirements of minimally invasive surgical robots for refinement, high flexibility and superior stability, RION provides tailor-made dedicated pneumatic-electric rotary union solutions based on independently developed technologies. These solutions perfectly meet the special working conditions and installation and application requirements of surgical robots, serving as the critical core supporting components for the rotary operation of surgical robot manipulators.

The core operational procedures of surgical robots rely on multi-joint manipulators to perform 360° unrestricted continuous rotation to complete refined minimally invasive operations such as intraoperative clamping, cutting and suction. However, traditional pipeline and circuit connection methods are prone to common issues including pipeline entanglement, pneumatic circuit leakage, signal interruption and unstable power supply, which directly compromise surgical accuracy and medical safety.RION integrated pneumatic-electric rotary unions effectively solve these core industry pain points. Adopting a separate stator and rotor structure, the stator is fixed on the robot base while the rotor rotates synchronously with the manipulator. Featuring an independent isolated channel design, the unions enable the synchronous and stable transmission of pneumatic media, circuit control signals and power supply even under 360° uninterrupted rotary operating conditions.
This customized pneumatic-electric rotary union delivers remarkable core performance, integrating multiple functions including gas transmission, power supply and signal conduction. It meets the conveying demands of various media such as compressed air, sterile negative pressure and cooling liquid during surgical operations, while ensuring the continuous and stable output of equipment control signals and power supply. Boasting excellent adaptability, the product can be fully customized according to the structural dimensions, installation space and functional configuration of different surgical robots. It supports the hybrid configuration of 1 to 24 gas channels and 1 to 128 power and signal circuits, with standard conventional interfaces such as G1/8" and G3/8". The tracheal pipe diameter, operating speed and pressure bearing grade can all be adjusted on demand, and special specifications such as high-speed, high-pressure and micro-lightweight designs are also available for customization.
The product features outstanding application advantages. The isolated design of pneumatic and circuit circuits eliminates electromagnetic interference and medium leakage, fully complying with medical sterile and safety standards. Core contact and sealing components are made of high-quality materials, ensuring excellent wear resistance, low noise operation and accurate transmission with no jamming or signal attenuation during long-term continuous operation. The overall compact and miniaturized structure fits the limited installation space of surgical robot joints without occupying the core working area of the equipment. Leveraging mature customization technology and strict quality control standards, RION pneumatic-electric rotary unions enable flexible and stable operation of surgical robots, significantly improving the accuracy and safety of minimally invasive surgeries and providing a solid core component guarantee for the stable operation of high-end medical robots.
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