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Device for assistance in the wound healing processes

a technology of wound healing and laser beam, which is applied in the field of skin wound healing assistance, can solve the problems of ineffective treatment or burns, restricted temperature elevation in the irradiated tissue area, and reduced healing process quality, so as to avoid burning and optimize the effect of wound healing process

Inactive Publication Date: 2009-06-04
VIVATECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0006]The aim of the present invention is to solve the aforementioned problem, by offering a device for assistance in the wound healing process that takes into account the different skin types that are laser-treated in order to optimise the effectiveness of the wound-healing processes and to avoid any burning.

Problems solved by technology

The selective nature of the treatment means temperature elevation in the irradiated tissue areas is restricted.
This temperature is currently acknowledged to be the level above which irreversible heat damage is caused if tissue is heated for longer than one second, leading to tissue coagulation and necrosis through burning, such as to slow and reduce the quality of the healing process.
Nevertheless, the solutions known the prior art invariably use identical firing power values, regardless of the skin type on which the treatment is carried out.
Incorrect choices with regard to laser settings can thus lead to ineffective treatment or to burns.

Method used

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  • Device for assistance in the wound healing processes
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  • Device for assistance in the wound healing processes

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Embodiment Construction

[0045]The invention is based on moderate heating to provide heat treatment to a limited volume of cutaneous tissue surrounding and including a present or future cutaneous lesion (a future lesion, for instance, in the case of surgical incisions). As stated above, the invention does not provide for the selective heating of one or more skin constituents, but describes heating the whole of a volume located throughout the thickness of the skin (epidermis, dermis, upper layer of the subcutaneous tissue) in order to generate a biological response to the heat stress or thermal conditioning throughout the tissue. The choice of beam and all related parameters is therefore based on these specifications.

[0046]FIG. 1 illustrates a logarithmic relationship between exposure time on the y-axis (units in seconds) and the temperature for inducing a heat shock response along the x-axis (units in degree Celsius). Heat shock response is a cellular mechanism used to maintain stability when a shock (e.g. ...

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Abstract

A device that assists in the wound healing process that takes into account the different skin types that are laser-treated in order to optimise the effectiveness of the wound-healing processes and to avoid any burning. The device comprises a laser source suitable for emitting a beam whose wavelength is between approximately 800 nanometres and approximately 820 nanometres and includes a control module suitable for controlling the laser source according to data regarding the skin type of the patient to be treated.

Description

FIELD OF THE INVENTION[0001]The invention is related to the field of assistance in skin wound healing, and in particular to assistance in wound healing processes using a laser beam.PRIOR ART[0002]Various solutions are known in the prior art, consisting of promoting wound healing by using an external energy source. These solutions consist of treating the tissue with light energy emitted by a laser source onto the tissues in order to selectively heat specific parts of the skin, during a very short laser firing time (less than one second). The selective nature of the treatment means temperature elevation in the irradiated tissue areas is restricted.[0003]In European patent application EP265470, for example, a device is known, which is used for uniting the lips of a wound. It includes a laser whose emission wavelength is chosen such that it can perform tissue bonding and unite the lips of the wound, and a holding piece suitable for being secured to the tissue around the wound so as to h...

Claims

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Application Information

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IPC IPC(8): A61B18/20
CPCA61B18/20A61B18/203A61B2018/00452A61N2005/067A61B2019/448A61N5/0616A61N2005/0659A61B2018/00636A61B90/98A61N5/067
Inventor GOSSE, ALBANGIRAUD, SYLVAINIARMARCOVAI, GWENAELLECORNIL, ALAINCAPON, ALEXANDREPERONNE, PATRICK
Owner VIVATECH
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