System and method for radio-frequency imaging, registration, and localization
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04N-005/30
G01S-005/02
출원번호
US-0767449
(2010-04-26)
등록번호
US-8717430
(2014-05-06)
발명자
/ 주소
Simon, David A.
Bzostek, Andrew
Hartmann, Steven L.
Merkl, Brandon
출원인 / 주소
Medtronic Navigation, Inc.
대리인 / 주소
Harness, Dickey
인용정보
피인용 횟수 :
7인용 특허 :
56
초록▼
A system for performing a medical procedure on a patient is provided. The system can include an imaging head defining a field of view relative to the patient. The imaging head can include at least one transmitter that emits at least one signal in the field of view, and at least one receiver that rec
A system for performing a medical procedure on a patient is provided. The system can include an imaging head defining a field of view relative to the patient. The imaging head can include at least one transmitter that emits at least one signal in the field of view, and at least one receiver that receives at least one reflected signal from the field of view. The at least one reflected signal received can be based on at least one electrical property of at least one material in the field of view. The system can further include a workstation, which can determine, based on the at least one reflected signal received by the at least one receiver, a location of at least one boundary of the material within the field of view. The system can include a display that displays an image of the location of the at least one boundary.
대표청구항▼
1. A system for performing a medical procedure with at least one instrument on a patient comprising: an imaging head defining a field of view relative to the patient, the imaging head including:at least one radio-frequency transmitter that emits a least one signal in the field of view;at least one r
1. A system for performing a medical procedure with at least one instrument on a patient comprising: an imaging head defining a field of view relative to the patient, the imaging head including:at least one radio-frequency transmitter that emits a least one signal in the field of view;at least one radio-frequency receiver that receives a plurality of reflected radio frequency signals based on at least one electrical property of at least one material in the field of view and the at least one instrument;a workstation having a control module that determines, based on the plurality of reflected radio frequency signals received by the at least one radio-frequency receiver, a location of at least one boundary of the at least one material within the field of view and a location of the at least one instrument in relation to the patient in the field of view;wherein the workstation is configured to determine a type of material associated with the at least one instrument based upon the reflected radio frequency signals associated with the at least one instrument and a signal produced by the at least one radio-frequency transmitter; anda display that displays an image of the location of the at least one boundary, and renders an icon of the at least one instrument on the image. 2. The system of claim 1, wherein the at least one material within the field of view is selected from at least one of the group comprising: skin, muscle tissue, grey matter, nerve tissue, bone tissue, cancerous tissue, noncancerous tissue, fatty tissue, lung tissue, blood, saline, polymer, metal, metal alloy and combinations thereof. 3. The system of claim 1, wherein the workstation is integral with the imaging head. 4. The system of claim 1, wherein the imaging head is coupled to at least a portion of an operating table. 5. The system of claim 1, wherein the imaging head is coupled to at least a portion of a wall of an operating room. 6. The system of claim 1, wherein the imaging head is movable relative to the patient. 7. The system of claim 6, wherein the imaging head is handheld. 8. The system of claim 1, wherein the imaging head is fixed relative to the patient. 9. The system according to claim 1, wherein the workstation is configured to track movement of the at least one boundary. 10. The system according to claim 9, wherein the workstation is configured to determine an amount of anatomical movement based on movement of the at least one boundary. 11. The system according to claim 10, further comprising a navigation system having a tracking device attached to the imaging head to track the location of the imaging head, wherein the navigation system is configured to update a registration of the image relative to the patient location based on the movement of the at least one boundary. 12. The system according to claim 1, wherein the work station is configured to determine a type of instrument associated with the at least one material. 13. A system for performing a medical procedure on a patient comprising: at least one tracking device;a tracking system that tracks the at least one tracking device;an imaging head having an imaging system that transmits at least one imaging radio-frequency signal within a field of view and receives at least one reflected imaging radio-frequency signal within the field of view for forming an image, the imaging head having at least one transmitter that emits the at least one imaging radio-frequency signal in the field of view, wherein the imaging head has at least one receiver that receives the at least one reflected imaging radio-frequency signal; anda navigation system that determines, based on the tracking of the tracking device and RF image data formed from the at least one reflected imaging radio-frequency signal, a location of the imaging head, the at least one tracking device and the patient during registration and navigation, within the field of view. 14. The system of claim 13, wherein the at least one tracking device is coupled to an instrument, an implant, the imaging head, the patient, or combinations thereof. 15. The system according to claim 13, wherein the imaging head is configured to superimpose RF image data with patient image data. 16. The system according to claim 13, wherein the imaging system determines, based on the at least one reflected radio-frequency signal a type of instrument associated with the at least one instrument based upon a material associated with the at least one instrument. 17. The system of claim 13, wherein the at least one reflected radio-frequency signal received by the at least one receiver is based on at least one electrical property associated with at least one material in the field of view. 18. The system of claim 17, wherein the navigation system determines, based on the at least one reflected imaging radio-frequency signal received by the at least one receiver, a location of at least one boundary of at least one material within the field of view. 19. The system of claim 18, further comprising: a display that displays an image of the location of the at least one boundary of the at least one material and the location of the at least one tracking device relative to the at least one boundary. 20. The system of claim 18, wherein the at least one material within the field of view is selected from at least one of the group comprising: skin, muscle tissue, grey matter, nerve tissue, bone tissue, cancerous tissue, noncancerous tissue, fatty tissue, lung tissue, blood, saline, polymer, metal, metal alloy and combinations thereof. 21. The system according to claim 18, wherein the navigation system is configured to track movement of the at least one boundary. 22. The system according to claim 21, wherein the navigation system is configured to determine an amount of anatomical movement based on movement of the at least one boundary. 23. The system according to claim 22, wherein the navigation system is configured to update a registration of the image relative to the patient location based on the movement of the at least one boundary. 24. A method for performing a medical procedure on a patient comprising: positioning at least one imaging head relative to a patient to define a field of view;positioning at least one surgical instrument relative to a patient in the field of view;emitting at least one radio-frequency signal from the imaging head into the field of view;receiving a plurality of reflected radio-frequency signals from the field of view with the imaging head;determining, based on the plurality of reflected radio-frequency signals received from the field of view, at least one electrical property associated with at least one material and the at least one instrument within the field of view;determining, based on the at least one electrical property and the plurality of reflected radio-frequency signals received from the field of view, a location of a boundary associated with the at least one material within the field of view and the location of the at least one surgical instrument; anddetermining a type of instrument associated with the at least one instrument based upon a material associated with the at least one instrument and the plurality of reflected radio-frequency signals. 25. The method of claim 24, further comprising: displaying a graphical representation of the location of the boundary and the at least one material on a display. 26. The method of claim 24, wherein determining the at least one electrical property associated with the at least one material further comprises: determining if the at least one material within the field of view is from at least one of the group comprising: skin, muscle tissue, grey matter, nerve tissue, bone tissue, cancerous tissue, noncancerous tissue, fatty tissue, lung tissue, blood, saline, polymer, metal, metal alloy or combinations thereof. 27. The method of claim 24, further comprising: tracking at least one tracking device; anddetermining, based on the tracking of the at least one tracking device, a location of the at least one tracking device relative to the boundary associated with the at least one material within the field of view. 28. The method according to claim 27, further comprising rendering an icon of the at least one instrument on an image. 29. The method according to claim 24, further including determining a type of instrument associated with the at least one instrument based upon an identification tag associated with the at least one instrument and the plurality reflected radio-frequency signals. 30. The method according to claim 24, further including determining if the boundary has moved, thus indicating an anatomical movement.
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