2022
DOI: 10.1109/lra.2022.3140458
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Data-Driven Modelling and Control for Robot Needle Insertion in Deep Anterior Lamellar Keratoplasty

Abstract: Deep anterior lamellar keratoplasty (DALK) is a technique for cornea transplantation which is associated with reduced patient morbidity. DALK has been explored as a potential application of robot microsurgery because the small scales, fine control requirements, and difficulty of visualization make it very challenging for human surgeons to perform. We address the problem of modelling the small scale interactions between the surgical tool and the cornea tissue to improve the accuracy of needle insertion, since a… Show more

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Cited by 12 publications
(3 citation statements)
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“…A more recent work proposes the usage of tactile sensors mounted on the fingers' tip to estimate the deformability of the wire to permit the insertion in a hollow cylinder [8] or in a control box component [9]. From the opposite perspective, other research aimed at the insertion of rigid object inside a flexible material [10], [11].…”
Section: Related Workmentioning
confidence: 99%
“…A more recent work proposes the usage of tactile sensors mounted on the fingers' tip to estimate the deformability of the wire to permit the insertion in a hollow cylinder [8] or in a control box component [9]. From the opposite perspective, other research aimed at the insertion of rigid object inside a flexible material [10], [11].…”
Section: Related Workmentioning
confidence: 99%
“…Notably, [17] demonstrated OCT-guided vein cannulation using a silicone phantom. Others have demonstrated the feasibility of using iOCT for micro-suturing on a silicone phantom [18] and performing corneal kerotoplasty on ex-vivo human cornea [19]. While iOCT provides depth measurements that are sufficiently accurate for autonomous applications, a major drawback is its slow image acquisition and refresh rates due to the large amount of data processing involved.…”
Section: Related Workmentioning
confidence: 99%
“…Ophthalmic surgical robots at LoA 1 (robot assistance), with optical coherence tomography (OCT) guidance in subretinal injection [10] and deep anterior lamellar keratoplasty (DALK) [11] or with force sensing adaptation in retinal surgery [12], provide support for ophthalmologists but not control the operation. Surgical robots at LoA 2 (task autonomy) with elementary cognitive abilities, including depth tracking of needle tip [13], deformation evaluation in needle insertion [14] and trajectories learning in knot tying [15], execute a planned procedure but cannot update any parameter. LoA 3 (conditional autonomy) systems can extract parameters from the environment to plan a specific task.…”
mentioning
confidence: 99%