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A photoacoustic detection device for guiding laser therapy

A laser treatment and detection device technology, applied in the application, surgical navigation system, parts of surgical instruments, etc., can solve the problems of overtreatment, lack of monitoring or feedback system, etc., and achieve the effect of reducing reversible or irreversible damage

Active Publication Date: 2022-07-29
SHANGHAI TECH UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

At the same time, the current laser treatment lacks a monitoring or feedback system throughout the treatment process, and the treatment effect mainly depends on the experience of the therapist, which is easy to cause overtreatment, and the irreversible skin damage caused by overtreatment may be irreparable

Method used

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  • A photoacoustic detection device for guiding laser therapy
  • A photoacoustic detection device for guiding laser therapy
  • A photoacoustic detection device for guiding laser therapy

Examples

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with specific embodiments. It should be understood that these examples are only used to illustrate the present invention and not to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0027] In order to solve the problem of lack of external control in the laser treatment process, the present invention introduces a monitoring, guidance and feedback system.

[0028] Taking tattoo removal as an example to further illustrate the present invention. According to the photoacoustic effect and selective photothermal theory, when the pulsed laser is irradiated to the target tissue, the tattoo ink attached to the epide...

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Abstract

The invention discloses a photoacoustic detection device for guiding laser therapy, which is characterized by comprising: a laser for irradiating an object to be irradiated; The transmission medium between the irradiated objects collects the excitation photoacoustic signal generated by the irradiated object; the signal acquisition device is used to collect the excitation photoacoustic signal output by the ultrasonic transducer and average it; the control unit is used to collect the signal collected by the signal acquisition device. The excitation photoacoustic signal is analyzed to judge the effect and stage of laser treatment.

Description

technical field [0001] The invention relates to a device for monitoring the effect of laser treatment and timely feedback during laser treatment. Background technique [0002] Due to factors such as environment and life pressure, skin-related lesions and diseases have attracted more and more attention and attention. Such lesions and diseases can currently be treated and eliminated by means such as laser therapy. Laser treatment methods on the market can be mainly divided into two categories: ablative and non-ablative. The basic principle is the theory of selective photothermal separation, which enables the target chromophore to absorb the photons emitted by the laser device, and the light energy absorbed by the photons is converted into heat, and the thermal damage caused is limited to the selected tissue. Pigment fragments are removed from the body by metabolism. Here it can be found that the laser transmission of the selective photothermolysis is the same as the light e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B18/20A61B90/00A61B34/20
CPCA61B18/20A61B90/06A61B90/361A61B90/37A61B34/20A61B2018/00452A61B2034/2055A61B2034/2063A61B2034/2065
Inventor 高飞王怡韵高峰
Owner SHANGHAI TECH UNIV
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