Single fiber dual frequency ultrasonic transmitting and detecting integrated device

By integrating a single-fiber dual-frequency ultrasound transmitter and detector, high-frequency imaging and low-frequency therapy are achieved, solving the problems of limited functionality and complexity in traditional fiber optic ultrasound medical technology, and improving the application efficiency and safety of minimally invasive interventions.

CN122163253APending Publication Date: 2026-06-09WUHAN UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
WUHAN UNIV OF TECH
Filing Date
2026-03-30
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing fiber optic ultrasound medical technology has limited functionality. The traditional dual-fiber design limits the minimum size of the device and the complexity of the system. It also lacks real-time co-positional feedback monitoring, which leads to a complex diagnosis and treatment process and the presence of positioning errors.

Method used

It adopts a single-fiber dual-frequency ultrasound transmission and detection integrated device, which realizes the dual functions of high-frequency imaging and low-frequency high-intensity ultrasound therapy through a single optical fiber. It combines the main signal fiber and the side coupling fiber, and uses a reflective layer, a dual-frequency photoacoustic transducer and a fiber Bragg grating to realize signal transmission and reception.

Benefits of technology

Significantly reducing the probe diameter expands the application scope of ultrasound imaging, reduces system complexity and invasiveness, enables real-time co-location monitoring and evaluation, and improves diagnostic and treatment efficiency and safety.

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Abstract

The application relates to the field of ultrasonic technology and discloses a single-fiber dual-frequency ultrasonic emission and detection integrated device. The device comprises a main signal optical fiber and a side coupling optical fiber. The main signal optical fiber has a four-layer structure from inside to outside, namely a main signal optical fiber core, an inner cladding layer, an outer cladding layer and a main signal optical fiber coating layer. One end of the side coupling optical fiber is embedded on the inner cladding layer of the main signal optical fiber. The end of the main signal optical fiber away from the side coupling optical fiber is provided with a reflection layer, and the reflection layer is arranged obliquely relative to the main signal optical fiber core. The inner cladding layer of the section of the main signal optical fiber close to the reflection layer is provided with a dual-frequency photoacoustic transducer. The section of the main signal optical fiber core close to the reflection layer is provided with a fiber Bragg grating. The single-fiber dual-frequency ultrasonic emission and detection integrated device integrates the functions of high-frequency ultrasonic imaging and low-frequency strong ultrasonic treatment in a single optical fiber, breaks through the limitation that the functional modules are independent of each other in the traditional technology, realizes diagnosis and treatment integration, and reduces the complexity and invasiveness of the system.
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