Development of a Handheld Actuation Mechanism for a Tendon-driven Robotically Steered Guidewire

• URL: http://arxiv.org/abs/2607.24629v1
• Date: Mon, 27 Jul 2026 16:26:12 GMT
• Title: Development of a Handheld Actuation Mechanism for a Tendon-driven Robotically Steered Guidewire
• Abstract summary: This work details the development of a handheld actuation mechanism for tendon-driven robotic guidewires.<n>While holding the device, the clinician can execute feeding, rotation, and bending motions for up to 1.5 m of the robotically steerable guidewire.
• Score: 2.5899040911480182
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: An endovascular intervention begins with a skilled clinician manually navigating a long, slender wire, called a guidewire, to the target location within the vasculature. Due to factors, such as vessel tortuosity and lack of steerability at the guidewire tip, manual navigation of a guidewire could be challenging, potentially resulting in vessel damage, perforation, dissection, and occlusion, as well as postsurgical complications, such as thrombosis. This work details the development of a handheld actuation mechanism for tendon-driven robotic guidewires by utilizing the aforementioned spooling mechanism. Incorporating the compact spooling mechanism into a handheld device enables clinicians to leverage both motorized guidewire steering and manual rotation and translation, if desired. The proposed device is designed such that, while holding the device, the clinician can execute feeding, rotation, and bending motions for up to 1.5 m of the robotically steerable guidewire using a joystick and momentary switch on the handle. Furthermore, the proposed device is demonstrated through navigation in an anatomically accurate phantom aorta model.

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