Photodynamic therapy plot software

A technology of photodynamic therapy and planning software, applied in computing, special data processing applications, instruments, etc., can solve problems such as poor therapeutic effect, cell and tissue death, and cancer recurrence, and achieve the effect of improving the effect

Inactive Publication Date: 2008-01-09
天津炜辐医疗科技有限公司
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Problems solved by technology

Factor (1) determines the optimal starting time for light irradiation; factors (2) and (3) determine the effective light irradiation area, too large a large number of strong side effects of the death of normal cells and tissues, too small may lead to treatment Poor effect and cancer recurrence; factor (4) determines the length of light exposure time and whether multiple light therapy should be performed, too long a single light treatment will cause side effects, and too short may lead to poor treatment effect and cancer recurrence

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Embodiment Construction

[0023] The photodynamic therapy planning software of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0024]The key to using photodynamic methods to effectively treat diseases is to provide sufficient light energy to excite photosensitizer molecules to the lesion, that is, the area of ​​cancer or abnormal tissue cells, so as to kill cancer or abnormal cells. At the same time, the light energy in the area of ​​normal tissue cells outside the lesion should be reduced as much as possible to reduce the death of normal cells, which is the side effect of cancer treatment. Because the light energy is equal to the product of the light power and the light time when the power is constant, the light energy in different areas can be adjusted through the spatial distribution of the light power and the light time. Therefore, the design of photodynamic therapy planning software that can improve or consolidate the curative effect require...

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Abstract

The software includes following parts: user interface (UI); database in use for storing optical parameters of focus and normal tissue, doctor's therapeutic requirements, initial setting for incident light parameters inputted from UI, as well as storing medicinal image file of patient, remnant concentration of photosensitizer in the focus and near to normal tissue reflected by real time optic signal inputted from computer interface, and storing incident light parameter required by doctor outputted through UI; optical computation and generating recipe; compare portion of treatment plan in use for adjusting parameter of incident light repeatedly till therapeutic requirements are reached. Being one of absolutely necessarily tool for curing cancer mainly by photodynamic therapy (PT), the invention can help doctor to design and optimize illumination recipe based on data of light parameters from focus, as well as to decide whether PT is needed to carry out again, and optimal treating time.

Description

technical field [0001] The present invention relates to a treatment plan software for improving the curative effect of photodynamic therapy on cancer or other diseases, in particular to a method for calculating the distribution of light irradiation power and energy in human body lesions and surrounding tissues, before and after treatment and during treatment Photodynamic therapy planning software that determines the optimal phototherapy regimen based on changes in the residual concentration of photosensitizers. Background technique [0002] In general, there are three traditional methods of treating cancer: surgery, radiation therapy with high-energy rays, and chemotherapy. The main disadvantage of surgical treatment is that it is difficult or impossible to completely remove the lesion cells of advanced cancer, and it will cause great trauma to the patient. It is not suitable for the treatment of frail and elderly patients and sensitive organs, and generally cannot be perfor...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F19/00G06F9/44
Inventor 胡新华
Owner 天津炜辐医疗科技有限公司
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