RE: a miniature linear accelerator - smaller than a breadbox?

["Eric Earnst" <eearnst@accuray.com>]

Hi all,

Wanted to clarify what the CyberKnife is since it definitely isn't a CT

unit.  The CyberKnife is a stereotactic radiosurgery system which

incorporates a 6 MV X-band linac.  The business end of the linac with

the accelerator structure ("x-ray head") is mounted on a large 6 degree

of freedom robot which allows the system to shoot at tumors, etc. from

many angles.  Since the linac is X-band, the x-ray head is small when

compared to the comparable part of an S-band system.  So while it would

certainly hurt if it fell on your foot, it is relatively miniature...

More info:  http://www.accuray.com/

http://www.earnst.com/accuray/accuray.htm .



Eric 



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----



Date: Tue, 2 Oct 2001 11:05:27 -0400 

From: "Jacobus, John (OD/ORS)" <jacobusj@ors.od.nih.gov>

Subject: RE: a miniature linear accelerator - smaller than a breadbox?



George,

You can find more about it at http://www.fda.gov/cdrh/pdf/k011024.pdf.

It

sounds more like a CT unit.  



- -- John 

John Jacobus, MS

Certified Health Physicist 

3050 Traymore Lane

Bowie, MD  20715-2024



E-mail:  jenday1@email.msn.com (H)      



- -----Original Message-----

From: Kraus Jr, George W (FDA) 

Sent: Tuesday, October 02, 2001 7:58 AM

To: 'radsafe@list.vanderbilt.edu'

Subject: FW: a miniature linear accelerator - smaller than a breadbox?





> -----Original Message-----

> From:	Tylka, Corinne S. 

> Sent:	Tuesday, October 02, 2001 7:28 AM

> To:	CDRH-OC-DE3-EPDB; Rodriguez, Gladys

> Subject:	a miniature linear accelerator - smaller than a

breadbox?

> 

> CyberKnife Wins FDA Clearance for Radiosurgery Treatments

> The device uses a robotic arm to deliver high 

> doses of radiation generated from a miniature 

> linear accelerator with a tracking system the 

> company says results in greater delivery 

> accuracy and increased tumor-killing efficiency.

> 

> http://www.medicaldata.com/mit/detail.asp?art=10020105&MITUID=205883





============================

Eric Earnst

Director of Product Hardware

Accuray, Inc.

570 Del Rey Ave

Sunnyvale, CA 94086

408-522-3740 x379

408-830-0481 fax

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