Bimodal ultrasonic probe comprising an optical device for diagnosis

A technology of ultrasound and light waves, applied in the field of detection and analysis of cancerous tumors, can solve the problems of no instant diagnosis and non-portable equipment

Pending Publication Date: 2021-12-14
微光子设备股份有限责任公司 +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The main drawback is that such devices are not portable and not designed for point-of-care type applications

Method used

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  • Bimodal ultrasonic probe comprising an optical device for diagnosis
  • Bimodal ultrasonic probe comprising an optical device for diagnosis
  • Bimodal ultrasonic probe comprising an optical device for diagnosis

Examples

Experimental program
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Embodiment Construction

[0031] The present invention relates to a dual mode probe that combines ultrasound (US) imaging and optical measurements to obtain biological parameters in the case of screening for cancerous tumors. More specifically, the optical modality is based on diffuse optical tomography (DOT).

[0032] figure 2 An example of a device including a dual-mode probe 30 electrically connected to the main unit 10 through a plurality of electric wires assembled in the same cable 20 is shown.

[0033] The weight and size of the probe 30 is such that it can be carried and manipulated by hand to be placed in contact with the body of the patient 40 while being oriented towards the area of ​​interest, more particularly the tumor 43 to be examined. Coupling glue is generally applied at the interface between the probe and the body to be analyzed to facilitate the transmission of ultrasound waves through the interface. The glue may also have optical properties such as absorption to avoid crosstalk ...

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Abstract

Portable bimodal probe intended to be applied to a biological tissue to be examined, the probe comprising: - an ultrasonic transducer (34, 63) configured to transmit ultrasonic waves into the tissue and to receive ultrasonic waves reflected by the tissue, the transducer extending along a transverse axis; - at least two optodes (32, 60, 62a, 62b) arranged on either side of the transverse axis, such that the transducer extends between the two optodes; - each optode comprising a housing (52, 61), the housing comprising: a light transmitter (31) configured to transmit a light wave to the tissue; and / or an optical detector (32) configured to detect a light wave propagated by the tissue; - the optodes being designed such that at least one light transmitter and at least one optical detector are arranged on either side of the transducer; - at least one optical detector having a detection surface (53, 63a, 63b) formed of a semiconductor material and connected to an electronic card (54).

Description

technical field [0001] The present invention relates to a probe combining optical and ultrasound modalities for in vivo diagnosis of biological tissue, and the application of such a probe to the detection and analysis of cancerous tumors. Background technique [0002] One of the goals of medical diagnosis is to increase sensitivity and specificity to reduce the number of false positives without missing any true positives. This can be achieved by combining different measurement techniques. This is the case, for example, of combining PET (Positron Emission Tomography) and MRI (Magnetic Resonance Imaging) scanners to improve the characterization of biological tissue. Ultrasound combined with optical measurements also enables improved characterization of tissue. These modalities can be integrated in simple and inexpensive devices aimed at point-of-care-related applications for patients. [0003] With regard to optical measurements, the use of optical fibers in probes extendin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/00A61B5/00
CPCA61B8/4444A61B8/4477A61B8/48A61B8/488A61B8/485A61B8/5261A61B5/0073A61B5/0059A61B5/0035A61B8/4416A61B5/0091A61B8/4209A61B8/085A61B8/4483A61B2562/12
Inventor 西蒙尼·蒂萨亚历山大·鲁杰里波格丹·雅罗辛斯基伊曼纽尔·蒙托邦让-马克·丁滕安东尼奥·皮费里保拉·塔罗尼阿尔贝托·达拉·莫拉阿尔贝托·托西
Owner 微光子设备股份有限责任公司
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