Recent advancements in sensor-integrated medical tools have significantly enhanced the capabilities of minimally invasive surgery and interventional treatments. These tools integrate sensors to monitor and analyze various physiological parameters, improving diagnostic accuracy, surgical precision, and patient outcomes. This review discusses the latest developments in sensor-integrated medical tools, focusing on their applications in minimally invasive surgery, including medical needles, catheters, and other surgical instruments. Medical needles are critical in minimally invasive procedures, and sensor integration has improved their functionality. Electrical impedance sensors can differentiate tissue types by measuring the electrical properties of tissues, aiding in accurate needle placement. Mechanical sensors, such as piezoelectric and strain gauges, provide information on tissue stiffness and mechanical properties, which is crucial for surgical site monitoring. Biochemical and optical sensors enable real-time analysis of tissue characteristics, such as pH, glucose, and protein levels, enhancing diagnostic capabilities. Catheters, used in vascular and urinary interventions, have also seen significant advancements with sensor integration. Vascular pressure monitoring using piezoresistive and piezoelectric sensors allows for accurate blood pressure measurement and real-time monitoring of arterial pulses. These sensors are crucial for detecting complications such as stenosis and ensuring safe treatment outcomes. Additionally, catheters equipped with electrophysiology mapping capabilities help in identifying and treating cardiac arrhythmias by providing detailed cardiac activity data. Sensor-integrated medical tools also enhance surgical site monitoring and navigation. For example, optical fiber Bragg gratings (FBG) and multi-axial force sensors provide real-time feedback on needle placement and deformation, improving surgical accuracy. These advancements reduce the risk of complications and improve patient safety during minimally invasive procedures. Overall, the integration of sensors into medical tools has revolutionized surgical practices, enabling more precise, efficient, and safer treatments.Recent advancements in sensor-integrated medical tools have significantly enhanced the capabilities of minimally invasive surgery and interventional treatments. These tools integrate sensors to monitor and analyze various physiological parameters, improving diagnostic accuracy, surgical precision, and patient outcomes. This review discusses the latest developments in sensor-integrated medical tools, focusing on their applications in minimally invasive surgery, including medical needles, catheters, and other surgical instruments. Medical needles are critical in minimally invasive procedures, and sensor integration has improved their functionality. Electrical impedance sensors can differentiate tissue types by measuring the electrical properties of tissues, aiding in accurate needle placement. Mechanical sensors, such as piezoelectric and strain gauges, provide information on tissue stiffness and mechanical properties, which is crucial for surgical site monitoring. Biochemical and optical sensors enable real-time analysis of tissue characteristics, such as pH, glucose, and protein levels, enhancing diagnostic capabilities. Catheters, used in vascular and urinary interventions, have also seen significant advancements with sensor integration. Vascular pressure monitoring using piezoresistive and piezoelectric sensors allows for accurate blood pressure measurement and real-time monitoring of arterial pulses. These sensors are crucial for detecting complications such as stenosis and ensuring safe treatment outcomes. Additionally, catheters equipped with electrophysiology mapping capabilities help in identifying and treating cardiac arrhythmias by providing detailed cardiac activity data. Sensor-integrated medical tools also enhance surgical site monitoring and navigation. For example, optical fiber Bragg gratings (FBG) and multi-axial force sensors provide real-time feedback on needle placement and deformation, improving surgical accuracy. These advancements reduce the risk of complications and improve patient safety during minimally invasive procedures. Overall, the integration of sensors into medical tools has revolutionized surgical practices, enabling more precise, efficient, and safer treatments.