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Method and system for position orientation correction in navigation
US9002437B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9002437-B2 |
| Application number | US-201213728831-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 27, 2012 |
| Priority date | Dec 27, 2012 |
| Publication date | Apr 7, 2015 |
| Grant date | Apr 7, 2015 |
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Abstract
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A method performed in a medical navigation system includes driving a transmitter at a first frequency and a second frequency to generate first and second electromagnetic fields, wherein the first and second frequencies are sufficiently low such that the first and second electromagnetic fields are frequency independent; receiving first and second distorted fields corresponding to the first and second electromagnetic fields, respectively, with each of at least two electromagnetic (EM) sensors attached to a surgical device; generating first and second signals in response to receiving the first and second distorted fields, respectively, using each of the at least two EM sensors; and determining a distortion in the first and second signals based at least on a distance between the at least two EM sensors and a difference between the first and second signals generated by each of the at least two EM sensors.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method, comprising: in a medical navigation system: driving a transmitter at a first frequency and at least a second frequency to generate a first and at least a second electromagnetic field, wherein the first and second frequencies are sufficiently low such that the first and second electromagnetic fields are frequency independent; receiving a first and at least a second distorted field corresponding to the first and second electromagnetic field…
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Human Necessities · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
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- What does patent US9002437B2 cover?
- A method performed in a medical navigation system includes driving a transmitter at a first frequency and a second frequency to generate first and second electromagnetic fields, wherein the first and second frequencies are sufficiently low such that the first and second electromagnetic fields are frequency independent; receiving first and second distorted fields corresponding to the first and s…
- Who is the assignee on this patent?
- Gen Electric
- What technology area does this patent fall under?
- Primary CPC classification A61B5/062. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Apr 07 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).