# US 7,412,029 B2 · Treatment planning, simulation, and verification system

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- Number: US 7,412,029 B2
- Document ID: US7412029B2
- Status: Granted
- Kind: B2
- Application number: 10/607,082
- Filed: 2003-06-25
- Published: 2004-12-30
- Granted: 2008-08-12
- Earliest claimed: 2003-06-25
- Assignees: Varian Medical Systems Technologies, Inc.
- Inventors: Jeremy R. Myles
- Web page: https://patentgrep.com/patent/US7412029B2

## CPC

- G16H 50/50: for simulation or modelling of medical disorders
- A61N 5/1049: {for verifying the position of the patient with respect to the radiation beam}
- A61N 5/1027: {Interstitial radiation therapy}
- A61N 2005/1054: {using a portal imaging system}
- A61N 2005/1062: {using virtual X-ray images, e.g. digitally reconstructed radiographs [DRR]}
- G16H: HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- A61N: ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B)

## Abstract

A treatment planning, simulation, and verification system is described. According to one embodiment, a treatment plan and a fluoroscopy data image of a treatment volume are received and the treatment plan is automatically adjusted based on the movement of the fluoroscopy data image. According to another embodiment, a system includes a treatment planning component to generate a treatment plan and a simulation component to simulate the execution of the treatment plan.

## Claims

### Claim 1

A method of adjusting a radiotherapy simulator system comprising:
displaying a digital image of a patient based on a treatment plan;
providing input associated with the digital image; and
automatically adjusting one or more components of the radiotherapy simulator system based on the input associated with the digital image.

### Claim 2 (depends on 1)

The method of claim 1, wherein displaying the digital image includes overlaying a simulator digital image and a digitally reconstructed radiograph image.

### Claim 3 (depends on 2)

The method of claim 2, further comprising:
automatically displaying fields of data based on the digital image.

### Claim 4

The method of daim 1, further comprising:
recalculating the treatment plan based on the input associated with the digital image; and
saving the recalculated treatment plan.

### Claim 5 (depends on 1)

The method of claim 1, wherein the providing includes providing a radiation field input.

### Claim 6

A machine-readable medium having instructions to cause a machine to perform a method of adjusting a radiotherapy simulator system, the method comprising:
displaying a digital image of a patient based on a treatment plan;
providing input associated with the digital image; and
automatically adjusting one or more components of the radiotherapy simulator system based on the input associated with the digital image.

### Claim 7 (depends on 6)

The machine-readable medium of claim 6, wherein displaying the digital image includes overlaying a simulator digital image and a digitally reconstructed radiograph image.

### Claim 8 (depends on 7)

The machine-readable medium of claim 7, further comprising:
automatically displaying fields of data based on the digital image.

### Claim 9 (depends on 6)

The machine-readable medium of claim 6, further comprising:
recalculating the treatment plan based on the input associated with the digital image; and
saving the recalculated treatment plan.

### Claim 10 (depends on 6)

The machine-readable medium of claim 6, wherein the providing includes providing a radiation field input.