# US 10,371,832 B1 · Theranostic imaging with CZT gamma cameras > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,371,832 B1 - Document ID: US10371832B1 - Status: Granted - Kind: B1 - Application number: 16/116,430 - Filed: 2018-08-29 - Granted: 2019-08-06 - Earliest claimed: 2018-08-29 - Assignees: Kromek Group, PLC - Applicants: Kromek Group, PLC - Inventors: James William Hugg; Ian Radley - Web page: https://patentgrep.com/patent/US10371832B1 ## CPC - G01T 1/1648: {Ancillary equipment for scintillation cameras, e.g. reference markers, devices for removing motion artifacts, calibration devices (adapted for flow studies G01T1/1647)} - G01T 1/2023: {Selection of materials} - G01T 1/249: {specially adapted for use in SPECT or PET (SPECT imaging G01T1/1642; PET imaging G01T1/2985; detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects G01V5/20)} - G01T: MEASUREMENT OF NUCLEAR OR X-RADIATION (radiation analysis of materials, mass spectrometry G01N23/00; tubes for determining the presence, intensity, density or energy of radiation or particles H01J47/00) ## Abstract One embodiment provides a method for imaging photons, including: receiving a dataset associated with a plurality of photon events, the photon events corresponding to photons interacting with a photon imaging device, wherein the photon imaging device comprises a photon guide assembly and a detector array; the photon guide assembly comprising a plurality of photon guides positioned at an oblique angle with respect to the detector array; and producing an oblique planar projection image of the plurality of photon events by processing the dataset. Other aspects are described and claimed. ## Claims ### Claim 1 A method for imaging photons, comprising: receiving a dataset associated with a plurality of photon events, the photon events corresponding to photons interacting with a photon imaging device and each of the photon events having an incident path, wherein the photon imaging device comprises a photon guide assembly and a detector array; the photon guide assembly comprising a plurality of photon guides positioned at an oblique angle with respect to the detector array, wherein the photon guides positioned at an oblique angle create a longer incident path of a photon event compared to a length of an incident path of a perpendicularly incident photon event; and producing an oblique planar projection image of the plurality of photon events by processing the dataset and assigning a position of each photon event to a point of incidence on the detector array, wherein the assigning is based upon a measured depth of interaction along the longer incident path. ### Claim 2 (depends on 1) The method of claim 1, wherein the photon imaging device comprises a gamma camera. ### Claim 3 (depends on 1) The method of claim 1, wherein the detector array comprises a scintillator with at least one of: an array of photodetectors and an array of pixelated solid-state detectors. ### Claim 4 (depends on 3) The method of claim 3, wherein the detector array comprises the array of pixelated solid-state detectors; and wherein the array of pixelated solid-state detectors comprises one of: cadmium-zinc-telluride (CdZnTe or CZT) crystals and cadmium-telluride (CdTe) crystals. ### Claim 5 (depends on 1) The method of claim 1, wherein the photon guide assembly comprises a collimator with at least one of: parallel slant holes, multiple pinholes, slanted coded aperture, and focused holes. ### Claim 6 (depends on 1) The method of claim 1, wherein the processing the dataset comprises applying pixel charge-sharing corrections. ### Claim 7 (depends on 1) The method of claim 1, wherein the processing the dataset comprises measuring a depth of interaction for each of the photon events. ### Claim 8 (depends on 1) The method of claim 1, wherein the processing the dataset comprises combining Compton scattering events. ### Claim 9 (depends on 1) The method of claim 1, further comprising reconstructing an image selected from the group consisting of: a stereo image and a tomographic image, using a plurality of the oblique planar projection images. ### Claim 10 (depends on 1) The method of claim 1, further comprising a camera selected from the group consisting of: an optical photon camera and an infrared camera. ### Claim 11 A photon imaging device, comprising: a photon guide assembly; a detector array; the photon guide assembly comprising a plurality of photon guides positioned at an oblique angle with respect to the detector array, wherein the photon guides positioned at an oblique angle create a longer incident path of a photon event compared to a length of an incident path of a perpendicularly incident photon event; and a processor; and a memory device that stores instructions executable by the processor to: receive a dataset associated with a plurality of photon events, the photon events corresponding to photons interacting with the photon imaging device and each of the photon events having an incident path; and produce an oblique planar projection image of the plurality of photon events by processing the dataset and assigning a position of each photon event to a point of incidence on the detector array, wherein the assigning is based upon a measured depth of interaction along the longer incident path. ### Claim 12 (depends on 11) The device of claim 11, wherein the photon imaging device comprises a gamma camera. ### Claim 13 (depends on 11) The device of claim 11, wherein the detector array comprises a scintillator with at least one of: an array of photodetectors and an array of pixelated solid-state detectors. ### Claim 14 (depends on 13) The device of claim 13, wherein the detector array comprises the array of pixelated solid-state detectors; and wherein the array of pixelated solid-state detectors comprises one of: cadmium-zinc-telluride (CdZnTe or CZT) crystals and cadmium-telluride (CdTe) crystals. ### Claim 15 (depends on 11) The device of claim 11, wherein the photon guide assembly comprises a collimator with at least one of: parallel slant holes, multiple pinholes, slanted coded aperture, and focused holes. ### Claim 16 (depends on 11) The device of claim 11, wherein the processing the dataset comprises applying pixel charge-sharing corrections. ### Claim 17 (depends on 11) The device of claim 11, wherein the processing the dataset comprises measuring a depth of interaction for each of the photon events. ### Claim 18 (depends on 11) The device of claim 11, wherein the processing the dataset comprises combining Compton scattering events. ### Claim 19 (depends on 11) The device of claim 11, further comprising reconstructing an image selected from the group consisting of: a stereo image and a tomographic image, using a plurality of the oblique planar projection images. ### Claim 20 A product, comprising: a storage device that stores code, the code being executable by a processor and comprising: code that receives a dataset associated with a plurality of photon events, the photon events corresponding to photons interacting with a photon imaging device and each of the photon events having an incident path, wherein the photon imaging device comprises a photon guide assembly and a detector array; the photon guide assembly comprising a plurality of photon guides positioned at an oblique angle with respect to the detector array, wherein the photon guides positioned at an oblique angle create a longer incident path of a photon event compared to a length of an incident path of a perpendicularly incident photon event; and code that produces an oblique planar projection image of the plurality of photon events by processing the dataset and assigning a position of each photon event to a point of incidence on the detector array, wherein the assigning is based upon a measured depth of interaction along the longer incident path.