# US 2025/0143574 A1 · Navigation And Local Thermometry > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0143574 A1 - Document ID: US20250143574A1 - Status: Published application - Kind: A1 - Application number: 19/018,703 - Filed: 2025-01-13 - Published: 2025-05-08 - Earliest claimed: 2016-04-28 - Assignees: Medtronic Navigation, Inc. - Applicants: Medtronic Navigation, Inc. - Inventors: Brad JACOBSEN; Andrew BZOSTEK; Daniel DUNFORD; Benjamin D. EWING; Amir GHANEI; Bryan WILSON; Janine BENAVENTE - Web page: https://patentgrep.com/patent/US20250143574A1 ## CPC - A61B 5/0036: {including treatment, e.g., using an implantable medical device, ablating, ventilating} - A61B 5/01: Measuring temperature of body parts {; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue} (clinical contact thermometers G01K13/20) - A61B 5/015: {By temperature mapping of body part} - A61B 5/062: {using magnetic field} - A61B 5/065: {Determining position of the probe employing exclusively positioning means located on or in the probe, e.g. using position sensors arranged on the probe} - A61B 5/743: {Displaying an image simultaneously with additional graphical information, e.g. symbols, charts, function plots} - A61B 5/7435: {Displaying user selection data, e.g. icons in a graphical user interface} - A61B 5/748: {Selection of a region of interest, e.g. using a graphics tablet} - A61B 8/00: Diagnosis using ultrasonic, sonic or infrasonic waves - A61B 18/22: the beam being directed along or through a flexible conduit, e.g. an optical fibre; {Couplings or} hand-pieces therefor - A61N 5/0601: {Apparatus for use inside the body} - A61N 5/0625: {Warming the body, e.g. hyperthermia treatment} - A61B 2034/2046: {Tracking techniques} - A61B 2090/374: {NMR or MRI} - A61B 2090/376: {using X-rays, e.g. fluoroscopy} - A61N 5/067: using laser light - A61N 2005/0612: {using probes penetrating tissue; interstitial probes} - A61N 2005/0627: {Dose monitoring systems and methods} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - 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 system including a thermal sensor with an instrument placed in a volume. The thermal sensor may be useful in determining a temperature at a surface of the instrument and a distance away from the instrument. A therapy may be performed based on a sensed temperature with the thermal sensors. ## Claims ### Claim 1 A system to measure temperature in a region of interest, comprising: an instrument assembly including: an exterior housing have an external wall and extending from a first housing end to a second housing end and configured to be moved to a position within a volume, an energy delivery component configured to deliver energy to affect a thermal therapy at a region of interest within the volume outside of the exterior housing, wherein the energy delivery component is moveable within the exterior housing; a first temperature sensor to sense a temperature within the region of interest a distance spaced away from the external surface of the housing; an energy source configured to deliver energy through the energy delivery component to affect the thermal therapy in the region of interest; a tracking device embedded in the external wall; a processor configured to execute instructions to: determine a temperature profile within the region of interest based on a signal from the first temperature sensor, and determine a position of the instrument within the region of interest based upon the tracking device; wherein the thermal therapy is operable to increase a temperature in the region of interest. ### Claim 2 (depends on 1) The system of claim 1, further comprising: a display to display an image representing the region of interest and an icon representing the determined position of at least a portion of the instrument assembly. ### Claim 3 (depends on 1) The system of claim 1, wherein the display device is further configured to display a temperature icon to represent the determined temperature profile including a representation of a physical temperature image of the measured temperature profile. ### Claim 4 (depends on 1) The system of claim 1, further comprising: a second temperature sensor spaced apart from the first temperature sensor, wherein the second temperature sensor is configured to sense a temperature at the surface of the exterior housing. ### Claim 5 (depends on 4) The system of claim 4, wherein the first temperature sensor includes an ultrasound temperature sensor. ### Claim 6 (depends on 1) The system of claim 1, wherein the processor is further configured to execute instructions to stop delivery of energy when the temperature profile reaches a selected temperature. ### Claim 7 A system to measure temperature in a region of interest, comprising: an instrument extending a length from a first end to a second end and configured to be moved to a position within a volume and deliver a thermal therapy to a region of interest within the volume; a temperature sensor to sense a temperature within the region of interest; an energy source configured to deliver energy to affect the thermal therapy in the region of interest; a tracking device having a coil connected near the first end of the instrument; and a navigation processor configured to determine a position the tracking device; wherein the thermal therapy is operable to increase a temperature in the region of interest. ### Claim 8 (depends on 7) The system of claim 7, wherein the temperature sensor is connected to the instrument at a position a distance from a distal terminal end at the first end. ### Claim 9 (depends on 7) The system of claim 7, wherein the temperature sensor includes a plurality of temperature sensors. ### Claim 10 (depends on 9) The system of claim 9, wherein the plurality of temperature sensors are spaced along at least a portion of the length of the instrument. ### Claim 11 (depends on 10) The system of claim 10, wherein each temperature sensor of at least a sub-plurality of the plurality of temperature sensors is configured to measure the temperature of the region of interest at the surface of the instrument. ### Claim 12 (depends on 10) The system of claim 10, wherein each temperature sensor of at least a sub-plurality of the plurality of temperature sensors is configured to measure the temperature of the region of interest at a distance away from the surface of the instrument. ### Claim 13 (depends on 12) The system of claim 12, further comprising: a processor configured to execute instructions to determine a temperature profile around the instrument within the region of interest based at least on the sensed temperature from the plurality of temperature sensors. ### Claim 14 (depends on 7) The system of claim 7, further comprising: a tracking device having a coil connected near the first end of the instrument; a navigation processor configured to determine a position the tracking device; and a display device configured to display an image representing the region of interest superimposed with an icon representing the determined position of the instrument. ### Claim 15 A method to measure temperature in a region of interest, comprising: directing energy through an emitting portion of an energy delivery component to heat the region of interest; determining a temperature in the region of interest with a signal from a temperature sensor connected relative to the energy delivery component near the emitting portion; determining when a selected temperature in the region of interest is achieved by evaluating the signal from the temperature sensor; ceasing the heating of the region of the region of interest when the selected temperature is determined to be achieved; and tracking a position of the energy delivery component during movement of the energy delivery component into the region of interest. ### Claim 16 (depends on 15) The method of claim 15, further comprising: displaying an icon representing a position of the energy delivery component based on the tracking of the energy delivery component. ### Claim 17 (depends on 15) The method of claim 15, further comprising: operating the temperature sensor to sense a temperature a distance from the energy delivery component. ### Claim 18 (depends on 17) The method of claim 17, further comprising: operating a processor to determine a temperature profile relative to the energy delivery component. ### Claim 19 (depends on 18) The method of claim 18, further comprising: viewing a display of a temperature icon representing the determined temperature profile.