Appeal 2006-1914
Application 09/764,609
1 3. It is an object of the invention to provide an image-guided surgery
2 system which enables easy, fast and accurate initialization,
3 calibration, and control of a series of image guided surgery
4 instruments. This object is achieved by providing wireless
5 instruments with several improvements.(Specification 4.)
6
7 4. The improved communication path allows the improved instruments
8 to be calibrated much easier and faster than conventional instruments.
9 By storing the calibration information in the instruments themselves
10 the image-guided system of the invention is capable of re-calibrating
11 damaged or imperfect instruments without going through a complex
12 field calibration process. (Specification 5.)
13
14 5. The ability to store an instruments calibration and emitter positions
15 within each individual instrument also eases a manufacturing process
16 that traditionally required the instruments to be manufactured to a
17 tight tolerance. (Id.)
18
19 6. Another object of the invention is an improved control interface
20 between the user operating the instruments and the computer system.
21 (Specification 6.)
22
23 7. The invention accomplishes this object by providing operating
24 controls integrated into the instruments. (Id.)
25
26
27 8. An additional object of the invention is to provide an improved
28 image-guided surgery computer cart assembly for housing the
29 computer system. (Id.)
30
31 From our review of Chader, we find:
32
33 9. [A]n imaging system for correlating the position of medical
34 instruments with scanned images of the body [is disclosed] .
35 (Chader, col. 1, ll. 8-10.)
36
8
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