Novel photoacoustic imaging device

A photoacoustic imaging, a new type of technology, applied in medical science, diagnosis, diagnostic recording/measurement, etc., can solve the problem of reducing the success rate of blood vessel detection and achieve the effect of improving positioning accuracy

Active Publication Date: 2021-06-25
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, photoacoustic imaging devices can be used on the market for biometric identification. The most commonly used method is to scan blood vessels under the skin for biometric identification. Therefore, a photoacoustic imaging device is urgently needed to be used in conjunction with it.

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0032] see Figure 1-8 , the present invention provides a technical solution: a novel photoacoustic imaging device, including a finger clip device-1, the finger clip device-1 includes a fingerboard-101, the shape of the fingerboard-101 includes an arc shape, and the shape of the fingerboard-101 Fingerboard 2 102 is arranged on the left, fingerboard 2 102 and fingerboard 1 101 are arranged symmetrically, and the position where fingerboard 1 101 and fingerboard ...

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Abstract

The invention discloses a novel photoacoustic imaging device, and relates to the technical field of imaging devices. The novel photoacoustic imaging device comprises a first finger clamping device; the first finger clamping device comprises a first finger plate; the first finger plate is in an arc shape, a second finger plate is arranged on the left side of the first finger plate, the second finger plate and the first finger plate are symmetrically arranged, a first center column is arranged at the position where the first finger plate and the second finger plate are close to each other, and the first center column penetrates through the first finger plate and the second finger plate; the outer side of the first center column is sleeved with a first torsional spring, one end of the first torsional spring is fixedly connected with a first fingerboard, the other end of the first torsional spring is fixedly connected with a second fingerboard, a first semicircular hole is formed in the side, close to the second fingerboard, of the front surface of the first fingerboard, and a second semicircular hole is formed in the side, close to the first fingerboard, of the front surface of the second fingerboard. The first semicircular hole and the second semicircular hole are communicated and combined into a circular hole shape, a cylinder is sleeved with the first semicircular hole and the second semicircular hole jointly, and the positioning accuracy of the novel photoacoustic imaging device is greatly improved.

Description

technical field [0001] The invention relates to the technical field of imaging devices, in particular to a novel photoacoustic imaging device. Background technique [0002] Photoacoustic imaging is a new non-invasive and non-ionizing biomedical imaging method developed in recent years. When the pulsed laser is irradiated into the biological tissue, the light-absorbing domain of the tissue will generate an ultrasonic signal, and we call this ultrasonic signal generated by light excitation a photoacoustic signal. The photoacoustic signal generated by biological tissue carries the light absorption characteristic information of the tissue, and the light absorption distribution image in the tissue can be reconstructed by detecting the photoacoustic signal. Photoacoustic imaging combines the advantages of high selectivity in pure optical tissue imaging and deep penetration in pure ultrasound tissue imaging to obtain high-resolution and high-contrast tissue maps. [0003] At pres...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/00
CPCA61B5/0095A61B5/6826
Inventor 王春王剑磊
Owner SHANDONG UNIV
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