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Automation & Control

Surgical Robot Research Goes Wide With Raven II

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Beth Stackpole
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Open source opens doors to new possibilities
Beth Stackpole   2/28/2012 6:45:06 AM
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If this effort follows other open source trajectories, there should be some significant progress around future surgical robotics developments. Giving research organizations a standard platform to build upon and fostering a more open exchange of ideas and design sharing can only serve to unearth far more compelling procedures and applications for the robotics systems.

naperlou
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Robot Surgeon, Ouch
naperlou   2/28/2012 9:27:07 AM
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This is an interesting looking device for something that is going to cut you.  I saw an ad this morning for prostate cancer, and there was a picture of a robotic surgeon (a da Vinci, I think).  It is all a bit intimidating.  I guess that some surgeons can be as well.

It is interesting to see open source applied in this realm, though.  The vision system and its interaction with the actuators must be interesting.  This would make it easier to develop specific lighting and processing applications.

Ann R. Thryft
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Re: Robot Surgeon, Ouch
Ann R. Thryft   2/28/2012 1:35:15 PM
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Thanks for your comments. Beth, I agree, the open source development platform is exciting. naperlou, I don't know what tools human surgeons use and don't want to. You're right, this is a bit scary looking.


Alexander Wolfe
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Re: Robot Surgeon, Ouch
Alexander Wolfe   2/28/2012 4:02:28 PM
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Your verbal imagery makes me double over in anticipatory pain, Naperlou. However, I think that as robotics R&D as applied to automated surgery and/or telemedicine increases, the (perhaps irrational) thought that I for one have, namely, what the heck happens if these things make a mistake, will disappear and they'll become a valuable part of the spectrum of options available to physicians and surgeons.

Tim
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Re: Robot Surgeon, Ouch
Tim   2/28/2012 6:48:19 PM
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One thing is if the robot makes a mistake. My fear is of mechanical failure during the operation. I try not to think about what would happen if during mid operation a servo goes out or a bearring siezes up. Would you call a maintenance tech to work on it? It truly brings to light the need for a top notch PM program.

ChasChas
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Work from home
ChasChas   2/29/2012 10:33:40 AM
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I'm a consultant engineer and I work from my home.

Someday surgeons will be able to work from their homes. In fact, they will be able to perform a surgery any place from any place. I saw a city to city test on this - I can't remember off hand. Now this concept is WIDE.

Just don't give me a robotic nurse in the recovery room! If all I saw was machines when I came to after my surgery, I wouldn't have made it. You need to see those recovering angels at this low point.

AJ2X
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Re: Robot Surgeon, Ouch
AJ2X   2/29/2012 11:50:39 AM
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Surgical robots like the DaVinci are of course not autonomous -- they're under direct control of the surgeon(s), usually in the same room as the patient, and act as "enhanced" versions of tools they've used for decades or centuries: scalpels, cauterizers, retractors, etc.  They have to undergo the same VERY rigorous validation processes that any other medical device does, including failure-mode analysis and risk management.  They are designed to fail safely -- like surgeons themselves, the operating principle is "do no harm."  In the event the device stops working, the surgical team can quickly remove the robot and perform the surgery manually.

Intuitive Surgical's DaVinci is a brilliantly designed and built tool, the first successful second-generation surgical robot (previous ones were primarily surgical assistants).  Its very high price tag reflects the research and care that company put into making it so good.  Applying the open-source idea will almost certainly allow the next generation to be developed faster and produced more cheaply.

Ann R. Thryft
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Re: Robot Surgeon, Ouch
Ann R. Thryft   2/29/2012 12:16:38 PM
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Tim, I think you've got a really good point. I'll bet that the makers of da Vinci, the leading commercial surgical robot, have some extremely high QA standards. Think of the lawsuits! OTOH, whether it's a bearing failing in a robot, or your surgeon arriving drunk, without enough sleep, or having just had a fight with his/her spouse, seems to me like a tossup.


Kevin Harper
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"Open Source" and Medical Devices
Kevin Harper   2/29/2012 12:22:34 PM
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Considering the Open Source development of Medical Devices, such as surgical robotics or others even less complicated, the most difficult hurdle to realization of such a goal is the integration of the development process in an open sense with the requirements of the FDA.  The typically tight controls and meticulous documentation and process standards imposed on PMA medical devices may render truly open source development, such as that found in the software world, an unreachable star.

AJ2X
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Re: "Open Source" and Medical Devices
AJ2X   2/29/2012 5:22:53 PM
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I agree, Kevin.  I think the area where OS techniques will affect medical devices is in the research and development arena, rather than FDA-qualified products.  Anything that can speed up and simplify the realization of such complex and critical systems is a Good Thing. 

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