# US 11,026,580 B2 · Multi-functional handheld optical coherence tomography imaging system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,026,580 B2 - Document ID: US11026580B2 - Status: Granted - Kind: B2 - Application number: 15/637,045 - Filed: 2017-06-29 - Published: 2019-01-03 - Granted: 2021-06-08 - Earliest claimed: 2017-06-29 - Assignees: Synaptive Medical Inc. - Applicants: Synaptive Medical Inc. - Inventors: Siu Wai Jacky Mak; Ho Yiu Cheng; Fangxin Li; Harshul Varma - Web page: https://patentgrep.com/patent/US11026580B2 ## CPC - A61B 5/0066: {Optical coherence imaging} - A61B 5/0042: {for the brain} - A61B 34/10: Computer-aided planning, simulation or modelling of surgical operations - A61B 34/20: Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis - A61B 46/10: specially adapted for instruments{, e.g. microscopes} - A61B 46/40: {Drape material, e.g. laminates; Manufacture thereof} - A61B 90/10: for stereotaxic surgery, e.g. frame-based stereotaxis - A61B 90/361: {Image-producing devices, e.g. surgical cameras} - A61B 90/37: {Surgical systems with images on a monitor during operation} - A61B 17/3421: {Cannulas} - A61B 34/30: Surgical robots - A61B 2034/2051: {Electromagnetic tracking systems} - A61B 2034/2055: {Optical tracking systems} - A61B 2090/103: {Cranial plugs for access to brain} - A61B 2090/3735: {Optical coherence tomography [OCT]} - A61B 2560/0425: Ergonomically shaped housings (A61B2560/0418 takes precedence) - A61B 2560/0431: Portable apparatus, e.g. comprising a handle or case - A61B 2560/0443: Modular apparatus - A61B 2562/0233: Special features of optical sensors or probes classified in A61B5/00 - A61B 2576/026: for the brain - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract An OCT (Optical Coherence Tomography) handheld device is provided comprising: a housing configured for handheld OCT scanning during a surgical procedure, the housing comprising an OCT scanning end and a proximal end opposite the OCT scanning end; an OCT scanning device inside the housing, the OCT scanning device configured for one or more of OCT polarized scanning and Doppler OCT scanning from the OCT scanning end, the OCT scanning device further configured to receive and convey OCT light between the proximal end and an OCT analysing system; and a tip extending from the OCT scanning end, the tip being removably attached to the OCT scanning end, the tip configured to receive and collect the OCT light therethrough. The OCT handheld device is configured to be removably draped around the tip, for use in the surgical procedure. ## Claims ### Claim 1 An OCT (Optical Coherence Tomography) handheld device adapted for use with a surgical access port in a surgical procedure, the device comprising: a housing configured to facilitate handheld OCT scanning during the surgical procedure, the housing comprising a distal end and a proximal end, the distal end comprising an OCT scanning end, the housing comprising a grip portion configured to facilitate holding the housing and a button configured to initiate an OCT scan when actuated, and the distal end and the proximal end disposed at an ergonomic angle therebetween; an OCT scanning device disposed in the housing, the OCT scanning device configured to: perform the OCT scan from the OCT scanning end when the button is actuated by at least one of OCT polarized scanning and Doppler OCT scanning, and receive and convey OCT light between the proximal end and an OCT analyzing system; at least one cylindrical hollow tip extending from the OCT scanning end, the at least one cylindrical hollow tip configured to receive and collect the OCT light therethrough, each at least one cylindrical hollow tip comprising a tissue end configured to interact with tissue during the surgical procedure, a lens system comprising a lens, and a window disposed at the tissue end, the window configured to planarize the tissue and to facilitate mechanical stabilization for the OCT handheld device in relation to the tissue during the surgical procedure, the window being transparent to the OCT light, the lens comprising a lens internal in relation to at least one cylindrical hollow tip, and the lens system configured to focus the OCT light; at least one adapter configured to removable couple the at least one cylindrical hollow tip with the OCT scanning device; at least one surgical drape with a distal portion coupled with an outer circumference portion of the at least one cylindrical hollow tip, the at least one surgical drape configured to extend from the outer circumference portion of the at least one cylindrical hollow tip, over the housing and the ergonomic angle, and beyond the proximal end of the housing to a proximal portion; and at least one coupler configured to couple the OCT scanning device with a robotic arm of a device positioning system through an aperture of the at least one surgical drape positioned between the distal and proximal portions, the robotic arm controlling position of the at least one cylindrical hollow tip in relation to the surgical access port, wherein each at least one cylindrical hollow tip is removably coupled with each at least one adapter by a bayonet mount. ### Claim 2 (depends on 1) The OCT handheld device of claim 1, wherein the at least one surgical drape is further configured to extend over at least one cable extending from the proximal end to the OCT analyzing system. ### Claim 3 (depends on 1) The OCT handheld device of claim 1, wherein the at least one cylindrical hollow tip comprises a length in a range of approximately 0.5 inch to approximately 3 inches. ### Claim 4 (depends on 1) The OCT handheld device of claim 1, wherein the at least one cylindrical hollow tip comprises an outer diameter in a range of approximately 1 mm to approximately 15 mm. ### Claim 5 (depends on 1) The OCT handheld device of claim 1, wherein the at least one cylindrical hollow tip comprises a length in a range of approximately 3 inches to approximately 15 inches in length. ### Claim 6 (depends on 1) The OCT handheld device of claim 1, wherein the at least one cylindrical hollow tip comprises an outer diameter in a range of approximately 1 mm to approximately 10 mm. ### Claim 7 (depends on 1) The OCT handheld device of claim 1, wherein the OCT scanning device is further configured to perform polarized OCT scanning. ### Claim 8 (depends on 1) The OCT handheld device of claim 1, wherein the OCT scanning device comprises at least one of: an OCT light scanning device, an OCT light delivery apparatus, and a light polarizing apparatus. ### Claim 9 (depends on 1) The OCT handheld device of claim 1, wherein the OCT scanning device comprises polarization optics configured to polarize the OCT light. ### Claim 10 (depends on 9) The OCT handheld device of claim 9, wherein the polarization optics comprises a quarter waveplate. ### Claim 11 (depends on 9) The OCT handheld device of claim 9, further comprising at least one polarization-maintaining optical fiber configured to transmit and receive the OCT light in relation to the OCT analyzing system. ### Claim 12 (depends on 1) The OCT handheld device of claim 1, further comprising a tracking device. ### Claim 13 (depends on 1) The OCT handheld device of claim 1, wherein the at least one at least one cylindrical hollow tip comprises a plurality of cylindrical hollow tips. ### Claim 14 (depends on 1) The OCT handheld device of claim 1, wherein each cylindrical hollow tip of the plurality of cylindrical hollow tips comprises a distinct dimension in relation to another cylindrical hollow tip of the plurality of cylindrical hollow tips. ### Claim 15 (depends on 1) The OCT handheld device of claim 1, wherein each cylindrical hollow tip of the plurality of cylindrical hollow tips comprises a distinct shape in relation to another cylindrical hollow tip of the plurality of cylindrical hollow tips. ### Claim 16 (depends on 1) The OCT handheld device of claim 1, wherein the window comprises a material that is at least one of sterilizable and biocompatible. ### Claim 17 (depends on 1) The OCT handheld device of claim 1, wherein the at least one cylindrical hollow tip comprises at least one material of: stainless steel, titanium, and ABS-30i, and wherein the at least one cylindrical hollow tip comprises a material that is at least one of sterilizable, biocompatible, and single-use. ### Claim 18 (depends on 1) The OCT handheld device of claim 1, wherein each at least one cylindrical hollow tip further comprises a plurality of tabs radially extending perpendicularly from an attachment end, wherein each at least one adapter comprises a plurality of slots configured to complementarily couple with the plurality of tabs, and wherein the plurality of the tabs are configured to couple with the plurality of slots by: disposing the plurality of tabs in the plurality of slots; and twisting each at least one cylindrical hollow tip in relation to each at least one adapter. ### Claim 19 (depends on 1) The OCT handheld device of claim 1, wherein the at least one surgical drape comprises a plastic material, and wherein the at least one surgical drape is one of sterilizable and single-use. ### Claim 20 (depends on 1) The OCT handheld device of claim 1, further comprising: at least one polarization-maintaining optical fiber configured to transmit and receive the OCT light in relation to the OCT analyzing system; and a tracking device, wherein the at least one surgical drape is further configured to extend over at least one cable extending from the proximal end to the OCT analyzing system, wherein the OCT scanning device is further configured to perform polarized OCT scanning, wherein the OCT scanning device comprises at least one of an OCT light scanning device, an OCT light delivery apparatus, and a light polarizing apparatus, wherein the OCT scanning device comprises polarization optics configured to polarize the OCT light, wherein the polarization optics comprises a quarter waveplate, wherein the at least one at least one cylindrical hollow tip comprises a plurality of cylindrical hollow tips, wherein each cylindrical hollow tip of the plurality of cylindrical hollow tips comprises a distinct dimension in relation to another cylindrical hollow tip of the plurality of cylindrical hollow tips, wherein each cylindrical hollow tip of the plurality of cylindrical hollow tips comprises a distinct shape in relation to another cylindrical hollow tip of the plurality of cylindrical hollow tips, wherein the window comprises a material that is at least one of sterilizable and biocompatible, wherein the at least one cylindrical hollow tip comprises a material that is at least one of sterilizable, biocompatible, and single-use, wherein each at least one cylindrical hollow tip further comprises a plurality of tabs radially extending perpendicularly from an attachment end, wherein each at least one adapter comprises a plurality of slots configured to complementarily couple with the plurality of tabs, wherein the plurality of the tabs are configured to couple with the plurality of slots by: disposing the plurality of tabs in the plurality of slots; and twisting each at least one cylindrical hollow tip in relation to each at least one adapter, and wherein the surgical procedure comprises a neurosurgical procedure.