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Andris D. Ramans
Researcher at Intuitive Surgical
Publications - 12
Citations - 3724
Andris D. Ramans is an academic researcher from Intuitive Surgical. The author has contributed to research in topics: Surgical instrument & Robot end effector. The author has an hindex of 11, co-authored 12 publications receiving 3724 citations.
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Patent
Arm cart for telerobotic surgical system
Frederic H. Moll,David J. Rosa,Andris D. Ramans,Stephen J. Blumenkranz,Gary S. Guthart,Gunter Niemeyer,William C. Nowlin,Kenneth J. Salisbury,Michael J. Tierney +8 more
TL;DR: In this article, the end effector movements with those of input devices being manipulated by a surgeon relative to a display of a surgical worksite are coordinated using a signal indicating a relative orientation of the bases of the robotic arm assemblies.
Patent
Surgical tool having electrocautery energy supply conductor with inhibited current leakage
TL;DR: In this paper, the authors present improved electrosurgical instruments and systems having electrocautery energy supply conductors that provide inhibited current leakage and methods of performing a robotically controlled minimally invasive surgical procedure while preventing unintended capacitive coupling.
Patent
Stabilizer for robotic beating-heart surgery
TL;DR: In this article, a region of the heart is stabilized by engaging a stabilizer without having to stop the heart, and the stabilizer is coupled to a drive system to position the surface from outside the patient, preferably by actuators of the robotic servomechanism.
Patent
Performing cardiac surgery without cardioplegia
Philip C. Evans,Frederic H. Moll,Gary S. Guthart,William C. Nowlin,Rand P. Pendleton,Christopher P Wilson,Andris D. Ramans,David J. Rosa,Volkmar Falk,Robert G. Younge +9 more
TL;DR: In this article, a surgical system or assembly for performing cardiac surgery includes a surgical instrument (82), a servo-mechanical system engaged to the surgical instrument for operating the instrument; and an attachment assembly for removing at least one degree of movement from a moving surgical cardiac worksite.
Patent
Surgical tool with mechanical advantage
TL;DR: In this paper, a robotic surgical tool includes an end effector having a pair of fingers and incorporating a mechanical advantage, and a pulley and cable mechanism is used to actuate the end-effector by applying cable tension.