Cardiovascular interventional contrast imaging system

An imaging and cardiovascular technology, applied in catheters, medical science, sensors, etc., can solve the problems of incompact structure, inability to continuously adjust the wavelength, and incapable of automatic disease analysis.

Inactive Publication Date: 2018-09-25
周新福
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  • Abstract
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  • Claims
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Problems solved by technology

[0009] The existing cardiovascular angiography technology is relatively lacking in development, the imaging quality is poor, and the data cannot be saved; after imaging, it needs to be manually checked and compared, and automatic disease analysis cannot be performed
[0010] The existing near-infrared femtosecond lasers have the problems of uncompact structure, high price, and non-continuously adjustable wavelength

Method used

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specific Embodiment

[0106] exist Figure 4 Among them, the all-solid-state femtosecond mode-locked Yb laser 1 is used to generate the pump laser with femtosecond pulse width, after passing through the optical isolator 2 and the half-wave plate 3, it is focused into the first PPLN crystal 6 through the focusing lens 4; the second A concave mirror 5, a second concave mirror 7, a third concave mirror 8, a fourth concave mirror 10 and an output mirror 11 form a parametric oscillation resonant cavity; the second PPLN crystal 9 is placed on the third concave mirror 8 and the fourth concave mirror 10 The center of the formed confocal structure is used to generate frequency doubling in the cavity; wherein the first concave mirror 5 and the second concave mirror 7 form a confocal tight-focus cavity, so that the signal beam waist size on the first PPLN crystal 6 is the same as The beam waist size of the pump light matches; the third concave mirror 8 and the fourth concave mirror 10 form another confocal st...

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Abstract

The invention belongs to the technical field of cardiovascular medical treatment and discloses a cardiovascular interventional contrast imaging system. The system is provided with an imaging display screen unit, wherein the imaging display screen unit is connected with a memory, an emergency call unit and an X-ray film printer, is connected with an imaging comparator and a condition analyzer sequentially, and is connected with an X-ray inspector; the tail end of an intervention tube is hinged with an illuminator and a video recorder. The cardiovascular interventional contrast imaging system has complete functions, has the functions of X-ray shooting and cardiovascular interventional shooting, and images can be printed; automatic condition analysis can be realized by the comparator and theanalyzer, videos can be stored in the memory to facilitate next observation, and alarm can be performed through the emergency call unit when the condition of a patient deteriorates suddenly.

Description

technical field [0001] The invention belongs to the technical field of cardiovascular medicine, in particular to a cardiovascular interventional contrast imaging system. Background technique [0002] At present, the existing technologies commonly used in the industry are as follows: [0003] Currently, the cardiovascular system has many blood vessels that carry various substances to every cell in the body. The existing cardiovascular angiography technology is relatively lacking in development, the imaging quality is poor, and the data cannot be saved; after imaging, it needs to be manually checked and compared, and automatic disease analysis cannot be performed. [0004] After decades of research on the generation of femtosecond laser pulses, people have successfully used the principles of Kerr lens mode-locking (KLM) and SESAM passive mode-locking to obtain near-infrared femtoseconds from visible light to about 2 μm in many gain media. second pulse. Compared with lasers...

Claims

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Application Information

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IPC IPC(8): A61B6/00A61B5/00A61B90/00
CPCA61B5/0033A61B5/0075A61B5/0084A61B6/4411A61B90/361A61B90/37A61B2090/373A61B2090/376
Inventor 周新福王燕妮
Owner 周新福
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