WO2012027913A1

WO2012027913A1 - Negative-pressure wound treating system capable of detecting exudate color

Info

Publication number: WO2012027913A1
Application number: PCT/CN2010/077048
Authority: WO
Inventors: 隗刚; 菅冀祁; 黄锦旺; 李佳
Original assignee: 惠州市华阳多媒体电子有限公司
Priority date: 2010-09-03
Filing date: 2010-09-17
Publication date: 2012-03-08
Also published as: CN101947348B; CN101947348A

Abstract

A negative-pressure wound treating system capable of detecting exudate color includes a liquid collecting bottle (5) for collecting wound exudate; a negative-pressure wound treating appliance (11) comprising a negative-pressure source (6) and a controller (7); a wound assembly (10) for filling and sealing the wound, which is connected with the liquid collecting bottle (5) through a connecting pipe (4); a sensor (8) for obtaining the color signal or the visual signal of the exudate in the liquid collecting bottle (5); a color detection and control unit provided in the controller (7), which calculates the corresponding color according to the color signal or the visual signal obtained by the sensor (8) and calculates the corresponding alarm signal according to the preset lookup table of the color and alarm signal; a memory unit for storing the wound information which at least contains the calculated color information; an alarm device (9) for giving an alarm according to the alarm signal.

Description

Negative pressure wound treatment system capable of detecting the color of exudate. The present application claims to be submitted to the Chinese Patent Office on September 3, 2010, the application number is 201010274061.9, and the invention name is "the negative pressure wound treatment system for detecting the color of the exudate, Priority of the Chinese Patent Application, the entire contents of which is incorporated herein by reference.

The invention relates to the technical field of negative pressure wound treatment equipment, in particular to a negative pressure wound treatment system capable of detecting the color of exudate. Background technique

Negative pressure wound therapy equipment, called Negative_Pressure_Wound_Therapy_Devices in the United States, is called NPWT. Its principle is to promote wound healing by applying negative pressure to the wound. According to the clinical results of the United States in the past 10 years, the device has a good healing effect on various acute and chronic wound treatments.

Generally, a negative pressure wound treatment system includes a negative pressure wound treatment device, a wound site kit, and a container for collecting exudate at the wound (herein referred to as a container for the collection bottle). Among them, the wound kit is used to close the wound and create a negative pressure space. The negative pressure wound treatment device is used to create the required negative pressure of the wound, and the negative pressure wound treatment device consists of a negative pressure source and a controller. Referring to Figure 1, a common negative pressure wound treatment system is shown. The inside of the dotted line is the negative pressure wound treatment device 11; the reference numeral 1 shows the skin tissue around the human wound; the filler 2 at the wound covers the wound of the human body; the wound closure 3 is placed above the filling 2 at the wound, The wound is closed, and the wound filler 2 is connected to the liquid collecting bottle 5 through the connecting tube 4, thereby guiding the exudate from the wound into the liquid collecting bottle 5, and collecting the exudate from the wound through the collecting bottle 5, The other end of the liquid bottle 5 is connected to the negative pressure source 6, and the negative pressure source 6 provides a negative pressure to supply the wound exudate to the liquid collecting bottle 5; the negative pressure source 6 is connected to a controller 7, and is controlled by the controller 7. The control of the negative pressure source 6 is achieved.

Wound exudate is a body fluid that accumulates in the wound and has many physiological causes for its formation. In the treatment of wounds, exudate management is one of the important topics in modern wound care research.

Modern wound care for the study of exudate, mainly focused on two aspects, one aspect of research involves the volume-time relationship of exudate, exudate color, transparency, and exudate consistency And other key physical parameters; another aspect is about various physiological and chemical parameters such as the composition and function of the exudate. At present, the conclusions of the study on the color of the wound exudate and the corresponding physiological significance are as follows:

In the process of extracting exudates and secretions around the wound, complications such as infection, bleeding, and damage to surrounding blood vessels, lymphatic vessels, nerves, and the like may occur. Therefore, during the care process, you must pay attention to observation so that problems can be discovered and dealt with in a timely manner. However, in the prior art, the exudate is still directly viewed by the medical staff on a regular basis, which may result in the dangerous situation occurring in the interval of the two inspections being unable to be processed in time, and the medical staff continuously observes the exudate. Changes will affect their work efficiency and are not realistic in practice. Summary of the invention

It is an object of the present invention to provide a negative pressure wound treatment system capable of detecting the color of exudate, capable of detecting the color of the extracted exudate in time, storing wound information containing at least color information, and issuing a corresponding alarm according to the color. Signal, promptly remind medical staff to take relevant countermeasures.

In order to solve the above technical problems, the negative pressure wound treatment system of the present invention for detecting the color of the exudate includes: The negative pressure wound treatment device is composed of a negative pressure source and a controller;

a wound kit that fills the wound and closes the wound, communicating with the collection via a connecting tube; also includes:

a sensor that acquires a color signal or a visual signal of the exudate in the collection bottle;

a color detection control unit is disposed in the controller, and calculates a corresponding color according to a color signal or a visual signal acquired by the sensor, and calculates a corresponding alarm signal according to a preset color and an alarm signal correspondence table;

The storage unit stores the wound information, the wound information includes at least the calculated color information, and the alarm device alarms according to the alarm signal.

Preferably, the alarm device comprises a buzzer or a horn.

Preferably, the alarm device further includes an indicator light.

Preferably, a setting unit is further included for turning on or off the sensor or the color detecting control unit.

Preferably, the setting unit is further configured to set a correspondence table of colors and alarm signals.

Preferably, the stored color information includes, but is not limited to, black, brown, yellow, green, red.

Preferably, the number of the sensors is set at any one or more of the connection tube, the liquid collection bottle, and the wound.

Preferably, the sensor is a color sensor or a visual sensor.

Preferably, the sensor is a color sensor and the color signal is an RGB value.

Preferably, the sensor is a visual sensor, and the visual signal is an image, and the detection control unit calculates a color corresponding to the visual signal according to a visual signal acquired by the visual sensor according to an image corresponding to each color stored in advance. .

Preferably, the wound information further includes, but is not limited to, wound location, wound type, wound area, and volume.

Preferably, the type of wound includes, but is not limited to, a burn wound, a surgical wound, a diabetic wound, an ulcer wound.

The negative pressure wound treatment system of the present invention for detecting the color of the exudate, by setting a sensor for acquiring the color signal of the exudate, setting a color detection control unit according to the color of the sensor The signal, the corresponding color is calculated, and according to the preset color and the alarm signal correspondence table, the corresponding alarm signal is calculated, the storage unit stores the wound information containing at least the color information, and the alarm device alarms according to the corresponding alarm signal, It can detect the color of the exudate online, and issue corresponding alarm signals in time to warn the medical staff or patients, so that the medical staff can prevent the treatment in time before the accident that may cause serious consequences. At the same time, the medical staff can according to the storage unit. Further information is stored on the wound information containing at least color information. DRAWINGS

1 is a schematic structural view of a conventional negative pressure wound treatment system;

2 is a schematic view showing the structure of a first embodiment of a negative pressure wound treatment system capable of detecting the color of a wound exudate according to the present invention;

Fig. 3 is a schematic view showing the structure of the second embodiment of the negative pressure wound treatment system for detecting the color of wound exudate of the present invention.

In the figure, the relevant reference numerals are as follows:

1 wound, 2 - wound dressing, 3 - film, 4 connecting tube, 5 - collecting bottle, 6 - negative pressure source, 7 - controller, 8 - sensor, 9 - alarm device, 10 - wound kit, 11 A negative pressure wound treatment device. detailed description

The basic idea of the present invention is: using the existing relationship between the color of the exudate and the pathological meaning, adding color detection and alarm functions to the existing negative pressure treatment equipment, and obtaining the color signal or vision of the exudate by the sensor. The signal, the color detection control unit calculates a corresponding color according to the color signal or the visual signal, and then calculates a corresponding alarm signal according to the preset color and the alarm signal correspondence table, and the alarm device alarms according to the alarm signal. The negative pressure wound treatment system of the present invention will be described in detail below with reference to the accompanying drawings.

Embodiment 1

Referring to FIG. 2, the negative pressure wound treatment system for detecting the color of the exudate of the present invention comprises: a liquid collection bottle 5 for collecting wound exudate;

The negative pressure wound treatment device 11 is composed of a negative pressure source 6 and a controller 7; a wound kit 10 for filling and sealing a wound 1, comprising a wound filler-wound dressing 2, a wound closure-film 3, and a wound dressing 2 communicating with the collecting bottle 5 through a connecting tube 4;

The sensor 8 is disposed in the liquid collecting bottle 5 to obtain a color signal RGB value of the wound exudate or secretion extracted from the liquid collecting bottle 5;

The color detection control unit is disposed in the controller 7, and calculates a corresponding color according to the color signal, and finds an alarm signal corresponding to the color according to the preset color and the alarm signal correspondence table; the storage unit stores the wound information, such as a color Information, location of the wound, type of wound, area and volume of the wound are easily accessible to healthcare professionals.

The alarm device 9 emits an audible and/or optical alarm based on the alarm signal.

Among them, the alarm device 9 includes a buzzer and an LED indicator.

The corresponding color and alarm signal correspondence table is shown in Table 1:

Table 1

Therefore, if the detected color is any color of black, brown, yellow or green, the color detection control unit issues a first alarm signal, at which time the alarm device emits red light and simultaneously emits a higher decibel sound; if detected The color is red. At this time, the color detection control unit sends a second alarm signal, and the alarm device emits green light and a small decibel sound.

In this embodiment, a setting unit (not shown) is further included, and the user can turn on or off the sensor or the color detection control unit to turn off the color detection alarm function when not needed, and turn on the color detection alarm when necessary. Function; the user can also set the color and alarm signal correspondence table, and can set the alarm mode of the alarm device corresponding to the first alarm signal and the second alarm signal, for example, the alarm mode corresponding to the first alarm signal can be set to a larger decibel The sound that is intermittently emitted, the alarm mode corresponding to the second alarm signal is that the indicator light emits red light or other colors of light, and of course, it can also be set to a form in which sound and light are simultaneously emitted.

In the negative pressure wound treatment system for detecting the color of the exudate in the embodiment, when the wound is treated, the wound dressing 2 is filled in the wound 1 and the connecting tube 4 is inserted into the wound dressing. The membrane 3 is sealed, and a sensor 8 is disposed at the liquid collecting bottle 5. The sensor 8 is a color sensor. When the negative pressure source 6 is in operation, the exudate or secretion extracted from the wound 1 passes through the liquid collecting bottle 5 The sensor 8 collects the color signal RGB value of the exudate or secretion and transmits it to the controller 7, and the color detection control unit in the controller 7 calculates the color of the exudate or secretion. When the calculated color is black, brown, yellow, green, according to the color signal and the alarm signal correspondence table, the first alarm signal is calculated, and the alarm device alarms according to the first alarm signal, prompting the medical staff to have an infection in the wound; When the calculated color is red, according to the color signal and the alarm signal correspondence table, the second alarm signal is calculated, and the alarm device alarms according to the second alarm signal, prompting the medical staff to have abnormal bleeding in the wound; when the calculated color is When it is light yellow or colorless, the exudate is in a normal state. At this time, the color detection control unit cannot calculate the corresponding alarm signal. Alarm device does not work.

Embodiment 2

Referring to FIG. 3, the negative pressure wound treatment system for detecting the color of the exudate of the present invention comprises: a liquid collection bottle 5 for collecting wound exudate;

The negative pressure wound treatment device 11 is composed of a negative pressure source 6 and a controller 7;

a wound kit 10 for filling and sealing a wound 1, comprising a wound filler-wound dressing 2, a wound closure-film 3, and a wound dressing 2 connected to the collecting bottle 5 through a connecting tube 4;

The sensor 8 is disposed in the connecting tube 4 to obtain an image of a visual signal of wound exudate or secretion extracted from the liquid collecting bottle 5;

The color detection control unit is disposed in the controller 7, and according to the image of the visual signal, the image is matched with the image of the various colors stored in advance, and the color corresponding to the image of the visual signal is calculated, according to the preset color and The alarm signal correspondence table is used to find an alarm signal corresponding to the color;

The storage unit stores information such as color information, wound location, wound type, wound area and volume for medical personnel to review and study.

Among them, the alarm device 9 includes a buzzer and an LED indicator.

Among them, the preset color and alarm signal correspondence table is shown in Table 1.

Therefore, if the detected color is black, brown, yellow, or green, The color detection control unit sends a first alarm signal, at which time the alarm device emits red light and simultaneously emits a high decibel sound; if the detected color is red, at this time, the color detection control unit issues a second alarm signal, and the alarm device Produces green light and a small sound of decibels.

In this embodiment, a setting unit (not shown) is further included, and the user can turn on or off the sensor or the color detection control unit to turn off the color detection alarm function when not needed, and turn on the color detection alarm when necessary. Function; the user can also set the color and alarm signal correspondence table, and can set the alarm mode of the alarm device corresponding to the first alarm signal and the second alarm signal, for example, the alarm mode corresponding to the first alarm signal can be set to a larger decibel The sound that is intermittently emitted, the alarm mode corresponding to the second alarm signal is that the indicator light emits green light or other colors of light, and of course, it can also be set to a form in which sound and light are simultaneously emitted.

In the negative pressure wound treatment system for detecting the color of the exudate in the embodiment, when the wound is treated, the wound dressing 2 is filled in the wound 1 , the connecting tube 4 is inserted into the wound dressing, and the upper surface is sealed with the film 3, in the connecting tube A sensor 8 is provided at 4, which is a visual sensor. When the negative pressure source 6 is working, the exudate or secretion extracted from the wound 1 passes through the sensor 8 at the connecting tube 4, and the sensor 8 collects the exudation. An image of the visual signal of the liquid or secretion is transmitted to the controller 7, and the color detection control unit in the controller 7 calculates the color of the exudate or secretion, when the calculated color is black, brown, yellow When green, according to the color signal and the alarm signal correspondence table, the first alarm signal is calculated, and the alarm device alarms according to the first alarm signal to prompt the medical staff to have an infection phenomenon; when the calculated color is red, according to the color signal Corresponding to the alarm signal table, the second alarm signal is calculated, and the alarm device alarms according to the second alarm signal Person appears irregular bleeding wound; when calculated as a light yellow color or a colorless, exudate in a normal state, this time, the control unit calculates a color not corresponding to the detection of an alarm signal, the alarm means inoperative.

The above is only a preferred embodiment of the present invention, and it should be noted that the above-described preferred embodiments are not to be construed as limiting the scope of the invention, and the scope of the invention should be determined by the scope of the claims. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and scope of the invention.

Claims

Rights request

1. A negative pressure wound treatment system capable of detecting the color of an exudate, comprising:

Liquid collection bottle, collecting wound exudate;

The negative pressure wound treatment device is composed of a negative pressure source and a controller;

a wound kit, filling the wound and closing the wound, communicating with the collecting bottle through a connecting tube; and further comprising:

The storage unit stores the wound information, the wound information includes at least the calculated color information; the alarm device, according to the alarm signal, the alarm.

2. A negative pressure wound treatment system for detecting the color of exudates according to claim 1 wherein said alarm means comprises a buzzer or a horn.

3. A negative pressure wound treatment system for detecting the color of exudate according to claim 2, wherein said alarm device further comprises an indicator light.

4. A negative pressure wound treatment system for detecting the color of exudate according to claim 1, further comprising a setting unit for turning the sensor or color detection control unit on or off.

A negative pressure wound treatment system for detecting the color of exudate according to claim 4, wherein said setting unit is further configured to set a correspondence table of color and alarm signals.

6. The negative pressure wound treatment system of claim 1, wherein the stored color information comprises, but is not limited to, black, brown, yellow, green, red.

7. The negative pressure wound treatment system for detecting the color of exudate according to claim 1, wherein the sensor is provided in any one of the connection tube, the liquid collection bottle, and the wound. At or in more places.

8. A negative pressure wound treatment system for detecting the color of exudates according to claim 1, wherein said sensor is a color sensor or a visual sensor.

9. A negative pressure wound treatment system for detecting the color of an exudate according to claim 7, wherein said sensor is a color sensor and said color signal is an RGB value.

10 . The negative pressure wound treatment system of claim 1 , wherein the sensor is a visual sensor, the visual signal is an image, and the detection control unit acquires according to a visual sensor. 10 . The visual signal calculates a color corresponding to the visual signal in accordance with an image corresponding to each color stored in advance.

11. The negative pressure wound treatment system of claim 1, wherein the wound information further comprises, but is not limited to, a wound location, a wound type, a wound area, and a volume.

12. A negative pressure wound treatment system for detecting exudate color according to claim 11 wherein said wound type comprises, but is not limited to, burn wounds, surgical wounds, diabetic wounds, ulcer wounds.