A fibre-optic, Fabry-Pérot interferometer hydrophone is integrated into an intraoperative needle and used to localise the needle tip within a handheld ultrasound field. Ultrasound is an essential too...
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In this work, an FPI based fiber optic force sensor design and its integration to an 18-gauge MRI compatible biopsy needle are presented. The custom designed FPI sensor provides a force
The article intraoperative needle tip tracking with an integrated fiber-optic ultrasound sensor deals with advancing a marker system to highlight the needle tip during surgery. This work
A fibre-optic, Fabry-Pérot interferometer hydrophone is integrated into an intraoperative needle and used to localise the needle tip within a handheld
In order to measure the force at the tip of a puncture needle and to identify different levels of soft tissue in the puncture path, an FPI force sensor was made from a single-mode optical fibre
The results demonstrate that ultrasonic needle tracking with a fibre-optic transmitter is feasible in a clinically realistic fetal surgery environment, and that it could be useful to guide minimally invasive
Abstract We have developed a real-time ultrasound needle tracking system based on a fibre-optic hydrophone integrated into an intraoperative needle.
Specifically, our approach revolves around the creation of scattering imaging using an optical fiber-equipped needle, and uses Convolutional Neural Network (CNN) based algorithms to
2. Sensor-Based Approaches: Integration of Optical and ElectroMagnetic Sensors Apart from methods relying on images, sensor-driven strategies have gained traction and exhibited strong
The system is based on four optical fibers glued along the needle at 90 degrees from each other to measure distributed strain along the needle from four different sides.
In this paper, we directly compare single-core fiber-based and multicore fiber-based needle shape-sensing through identically constructed, four-active area sensorized bevel-tip needles inserted into
Fiber optic force sensors can be used under MRI without causing any danger or any disruption on the MR image. Applied axial force measurement during needle guidance can be performed by Fabry
Optical sensors are a promising choice as they are immune to MR influence. This paper proposes optical sensing solutions for needle-tip applications of needle-tip tactile sensing and bio
Here, a method to track the needle tip during ultrasound image-guided procedures is presented. This method involves the use of a fiber-optic ultrasound receiver that
This method involves the use of a fiber-optic ultrasound receiver that is affixed within the cannula of a medical needle to communicate ultrasonically
Machine learning algorithms have been widely explored for detecting the needle tip from fluoroscopic or ultra-sound images. Sensor-Based Approaches: Integration of Optical and ElectroMagnetic Sensors
We have developed a real-time ultrasound needle tracking system based on a fibre-optic hydrophone integrated into an intraoperative needle. The system is intended to track the location of a needle tip
In this system, needle tip tracking was enabled with a fibre-optic ultrasound sensor that was integrated into a needle stylet, and the A-lines recorded by the sensor were processed to
In this work, we compare two different types of FBG sensors under identical conditions and application, namely, acting as the sensor for needle insertion shape reconstruction.
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