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
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
Nowadays, epidural space identification is made by using subjective and manual techniques characterized by failure rates up to 7%. In this work, we propose a fiber optic sensor
Biopsy needles with embedded force sensors can eliminate the needle deflection and the needle targeting failure risks during MRI guided biopsy procedures.
This paper presents the in vitro and ex vivo accuracy of a new, real-time, ultrasound needle tip tracking system for guidance of fetal interventions. A
We built a three-channel single core needle and a seven-channel multicore fiber (MCF) needle and discuss the pros and cons of both constructions for shape sensing experiments into
Through expansive research in fiber optics, a plethora of bio-compatible, MRI-compatible, optical shape-sensors have been developed to provide real-time shape feedback, such as single
Optical Fiber -Based Needle Shape Sensing: Three-channel Single Core vs. Multicore Approaches Published in: 2023 International Symposium on Medical Robotics (ISMR)
Fibre-Optic Photoacoustic Beacon and 2D Sparse Sensor Array for 3D Tracking of Needles Abstract: Accurate knowledge of the needle tip location during percutaneous procedures such as liver and
An wide range of fibers and fiber optics are available for use in combination with the SPECTRO FIO sensors. SPECTRO''s with POL optics are especially designed
This paper proposes a miniature and MR compatible optical force sensor based on Fabry-Perot interference (FPI) principle and interferometric-intensity modulation method. The FPI sensor, with
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
Through expansive research in fiber optics, a plethora of bio-compatible, MRI-compatible, optical shape-sensors have been developed to provide real-time shape feedback, such as single-core and
These studies indicate that optical fiber FBG shape sensing technology has become a mature and reliable method for medical instruments. However, their sensing accuracy requires
A fibre-optic, Fabry-Pérot interferometer hydrophone is integrated into an intraoperative needle and used to localise the needle tip within a
Interventional needle shape monitoring method can provide doctors with important information during surgery and is a necessary means to ensure the safety of surgery. In order to improve interventional
Discover how smart-needle sensors integrate optical, piezoelectric, and IMU technologies to deliver real-time, precise feedback during interventional procedures.
Another promising method for MIS guidance is shape sensing of the needle based on the fiber optic sensors. Optical fiber characteristics, like biocompatibility, small size, and low mass 18
High-performance fiber optic color sensor with photodiode, featuring a built-in high-brightness white LED light source. Combined with an M6 fiber optic probe and
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.
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
Final fiber optic force sensor performance was tested by inserting the needle into a beef tissue through benchtop experiments initially. Then, the fiber optic force sensor embedded biopsy needle was
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Redsense offers two options to monitor venous needle or catheter access. The Redsense venous sensor patch is a non invasive patch that consists of an optic
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.
This paper shows the manufacture of a 300 µm lab-in-fiber sensor integrated in a surgical needle. It includes an air micro-cavity and a Pl-b-Pl FBG, allowing to detect a medium change and the
SEDI-ATI has acquired very specific know-how in the integration of an optical fiber into a metal needle. Fiber-optic needles are suitable for non-destructive, real
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