# US 2025/0143579 A1 · Detection Device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0143579 A1 - Document ID: US20250143579A1 - Status: Published application - Kind: A1 - Application number: 18/528,759 - Filed: 2023-12-04 - Published: 2025-05-08 - Earliest claimed: 2023-11-03 - Assignees: Advanced ACEBIOTEK CO., LTD. - Applicants: Advanced ACEBIOTEK Co., Ltd. - Inventors: Jyh-Chern Chen; Huan-Pin Tai; Yung-Chou Hsu; Hui-Shun Kuan; Shen-Fu Hsu - Web page: https://patentgrep.com/patent/US20250143579A1 ## CPC - A61B 5/0084: {for introduction into the body, e.g. by catheters (A61B5/1459 takes precedence)} - A61B 5/4325: {of the uterine cavities, e.g. uterus, fallopian tubes, ovaries} - A61B 5/4331: {of the cervix (A61B5/435 takes precedence)} - A61B 5/6852: {Catheters} - A61B 2562/223: Optical cables therefor - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract A detection device for an optical detection system comprises an optical fiber catheter, having a feed opening and a dome end; and an optical fiber detector, having one end coupled to the optical detection system through a connection terminal, and another end capable of entering an interior of the optical fiber catheter through the feed opening of the optical fiber catheter and reaching the dome end, configured to guide detection light beams generated by the optical detection system to the dome end, and guide reaction light beams corresponding to the detection light beams from the dome end to the optical detection system. ## Claims ### Claim 1 A detection device for an optical detection system, comprising: an optical fiber catheter, having a feed opening and a dome end; and an optical fiber detector, having one end coupled to the optical detection system through a connection terminal, and another end capable of entering an interior of the optical fiber catheter through the feed opening of the optical fiber catheter and reaching the dome end, configured to guide detection light beams generated by the optical detection system to the dome end, and guide reaction light beams corresponding to the detection light beams from the dome end to the optical detection system. ### Claim 2 (depends on 1) The detection device of claim 1, further comprising a positioning ring, set on the optical fiber catheter, wherein the positioning ring forms a detection tube section with the dome end, and forms an extension tube section with the feed opening, and the positioning ring is movable along the optical fiber catheter to adjust relative lengths of the detection tube section and the extension tube section. ### Claim 3 (depends on 2) The detection device of claim 2, wherein the detection tube section of the optical fiber catheter comprises a bend. ### Claim 4 (depends on 3) The detection device of claim 3, wherein an angle of the bend is selected from one of 0° to 15°, 15° to 30°, 30° to 45°, 45° to 60°, 60° to 75°, and 75° to 90°. ### Claim 5 (depends on 2) The detection device of claim 2, wherein the detection tube section of the optical fiber catheter is flexible and soft. ### Claim 6 (depends on 2) The detection device of claim 2, wherein the extension tube section of the optical fiber catheter is straight. ### Claim 7 (depends on 2) The detection device of claim 2, wherein an outer diameter of the positioning ring is smaller than or equal to 6 millimeters. ### Claim 8 (depends on 1) The detection device of claim 1, further comprising a handle, set on a position of the optical fiber catheter near the feed opening, wherein the handle does not obstruct the optical fiber detector from passing through the feed opening of the optical fiber catheter. ### Claim 9 (depends on 8) The detection device of claim 8, wherein the handle is gourd-shaped, and the handle includes a rough surface. ### Claim 10 (depends on 1) The detection device of claim 1, wherein the dome end is a hollow smooth spherical shape, and a diameter thereof is smaller than or equal to 3.0 millimeters. ### Claim 11 (depends on 1) The detection device of claim 1, wherein the dome end is a hollow smooth spherical shape, and a side of the dome end is a transparent film. ### Claim 12 (depends on 1) The detection device of claim 1, wherein a diameter of the optical fiber catheter is smaller than or equal to 3.0 millimeters. ### Claim 13 (depends on 1) The detection device of claim 1, wherein a total length of the optical fiber catheter is greater than 5 centimeters. ### Claim 14 (depends on 1) The detection device of claim 1, wherein at least one scale indicator is formed on the optical fiber catheter. ### Claim 15 (depends on 1) The detection device of claim 1, wherein the optical fiber catheter comprises a smooth surface. ### Claim 16 (depends on 1) The detection device of claim 1, wherein the optical fiber catheter is made of one or more of polytetrafluoroethylene, silicon, polyethylene, polypropylene, polymethylpentene, or polyvinyl chloride. ### Claim 17 (depends on 1) The detection device of claim 1, wherein the optical fiber detector comprises: an optical fiber bundle, comprising a plurality of optical fibers, connected to the connection terminal; and an optical fiber bundle sheath, which covers the optical fiber bundle; wherein the connection terminal comprises a plurality of optical fiber connectors, corresponding to the plurality of optical fibers respectively. ### Claim 18 (depends on 17) The detection device of claim 17, wherein the plurality of optical fiber connectors are separated from each other, and the optical fiber bundle sheath allows the plurality of optical fibers connected to the plurality of optical fiber connectors to fan out and the plurality of optical fibers not connected to the plurality of optical fiber connectors in the optical fiber bundle to be closely bundled to pass through the feed opening of the optical fiber catheter. ### Claim 19 (depends on 17) The detection device of claim 17, wherein at least one of the plurality of optical fibers is used to guide the detection light beams generated by the optical detection system from at least one corresponding connection terminal to the dome end of the optical fiber catheter, and at least another one of the plurality of optical fibers is used to guide the reaction light beams corresponding to the detection light beams from the dome end to at least another corresponding connection terminal for output to the optical detection system. ### Claim 20 (depends on 17) The detection device of claim 17, wherein each of the plurality of optical fibers is a step-index multimode optical fiber, which comprises an optical fiber core, an optical fiber cladding, and a protective coating.