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Medical giant designs in Amimon wireless

12/30/2008 06:00 AM EST
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rick merritt
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re: Medical giant designs in Amimon wireless
rick merritt   1/11/2009 4:25:49 AM
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Love to hear from you on this TestLabber...

ORTV
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re: Medical giant designs in Amimon wireless
ORTV   1/10/2009 6:28:17 PM
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Hi Rick: my sources tell me this is an exclusive deal, we ourselves were talking to Amimon so this is regrettable, but if they have gone exclusive, then we will be looking for alternatives (of which there are a few). This is a shame, because yet again, one of the endoscopic companies wants to take video and make it proprietary. Their problem is that they cannot sell enough cameras to actually really make their own ( they all have Sony or Panasonic or Toshiba CCD chip blocks etc). So they look for other ways to force the customer to use "their" video system - i have heard it said on many occasions that only a monitor supplied by them will work with a camera supplied by them, how ridiculous! All customers would agree with you last comment, however, sadly, this is not what the endoscopic manufacturers want to give you.

rick merritt
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re: Medical giant designs in Amimon wireless
rick merritt   1/9/2009 4:35:50 PM
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Whoa, Mr. Stryker Engineer! I have been covering the CE and computer industries for a few years now and the trend is clearly away from closed to open systems. Medical, like many verticals, is behind these faster moving industries and the trends they are setting. In fact, medical is behind-er given all the FDA stuff you have to slog through. So learn the lesson: avoid wasted years of non-interoperable systems and go right for the win of open interfaces first. Believe me if I am in OR I want you to have easy access to the best systems out there, no matter who made them...and thank for chiming in Stryker engineer!

ORTV
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re: Medical giant designs in Amimon wireless
ORTV   1/9/2009 10:29:27 AM
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TestLabber, thank you for your comments. Without getting bogged down with the detail , MPEG4 is an open system which developers choose to make proprietary by selecting which features to implement. It is the basis of video-conferencing so it has to be natively open (unless all video phones must be one manufacturer). I do take your point about bringing in a mobile monitor to view the camera without adding a wire - that is probably the best use of the technology - I never meant to imply it was useless. However, where you do know where the monitor will be (i.e. on the end of a surgical arm) then it is unnecessary - HDSDI cable is really not a problem - it is a coaxial cable much like an aerial lead and it is much more reliable than adding more active devices. As a general rule of thumb, the more electronic boxes you have in a system, the more potential for failure. But you are certainly correct in that certain scenarios make this an ideal solution to a tricky problem and to get away from DVI .

TestLabber
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re: Medical giant designs in Amimon wireless
TestLabber   1/9/2009 12:59:53 AM
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ORTV, the debate of open architecture versus closed proprietary systems is definitely a point of discussion. I'd like to note that we have readily accepted closed format sources and compression algorithms in the consumer market; H.264/MPEG-4 AVC & VC1(Blu-Ray) and MP3s are formats that have gained widespread acceptance despite starting out as closed source and proprietary. In any case, the main benefit sought in this product was elimination of the expensive and fragile DVI and fiber connections where possible. Its easy to find a power cable extension cord; its difficult to reproduce high definitely video over the entire operating room at any given place (a place which may need to move from time to time). The user can always revert back to using the display in a wired fashion since it retains all wired video inputs.

ORTV
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re: Medical giant designs in Amimon wireless
ORTV   1/8/2009 4:21:55 PM
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This article is interesting. The sad problem with the medical sector is that all endoscopic companies are trying to find something unique or proprietary to lock in the customer for future sales. Unfortunately, there is no regulatory body that protects users such as in the consumer market (where a Sony camera must be able to display on a Panasonic screen for example). Users should not accept any video transmission medium unless it is approved and regulated by the various video standards agencies (PAL/CCIR/NTSC/SMPT/MPEG/ etc). These bodies ensure open architecture and interoperability. e.g. HDSDI-3G, DVI, HDMI etc. If Aminon have signed an exclusive deal with Stryker they have signed up to a limited share of the market. As for Stryker's point: too many wires is indeed a problem but unless LCD monitors come with solar panels to power them, some cables are essential - so one more (HDSDI3G or fibre) makes no odds. Warning to potential customers: what will happen when you want to add another video source to your theatre display? And to who and how much will you have to pay? ORTV design integrated theatre systems for surgical workplaces.

TestLabber
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re: Medical giant designs in Amimon wireless
TestLabber   1/5/2009 6:55:09 PM
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Hi Streetrodder, I'm one of the Stryker engineers who designed testing methods for this system. This equipment does operate in the 5 to 6 GHz band, and occupies a single channel out of the several available ones, much in the same way the WLAN systems that work in this frequency range operate. Depending on your country of use, there are several channels (8 in the US, so up to 8 WLAN devices). Our system is constantly monitoring channel space, and changes automatically to free channels; this ensures operation with other systems (playing nice, as you say). We specifically have tested operation with multiple 5GHz WLAN systems to verify our system behavior, checking effects to both the other devices and our own.

Streetrodder
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re: Medical giant designs in Amimon wireless
Streetrodder   12/30/2008 7:20:25 PM
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I have a couple of questions for Sryker: Will they be using the 5 GHZ WLAN frequencies? With a proprietary system, how will they ensure compatibility with other systems in the OR? As a senior Biomedical Engineer for the Veterans Healthcare system, we are one of Stryker's biggest customer. If they use a commercial frequency, we can't buy their products. And if they don't intend to 'play nice' with other equipment, that goes against our goals. Paul Sherman

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