WO2012027913A1 - Système de traitement des plaies par pression négative pouvant détecter la couleur des exsudats - Google Patents

Système de traitement des plaies par pression négative pouvant détecter la couleur des exsudats Download PDF

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Publication number
WO2012027913A1
WO2012027913A1 PCT/CN2010/077048 CN2010077048W WO2012027913A1 WO 2012027913 A1 WO2012027913 A1 WO 2012027913A1 CN 2010077048 W CN2010077048 W CN 2010077048W WO 2012027913 A1 WO2012027913 A1 WO 2012027913A1
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WO
WIPO (PCT)
Prior art keywords
color
wound
negative pressure
exudate
sensor
Prior art date
Application number
PCT/CN2010/077048
Other languages
English (en)
Chinese (zh)
Inventor
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 (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 惠州市华阳多媒体电子有限公司 filed Critical 惠州市华阳多媒体电子有限公司
Publication of WO2012027913A1 publication Critical patent/WO2012027913A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/251—Colorimeters; Construction thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/05—Bandages or dressings; Absorbent pads specially adapted for use with sub-pressure or over-pressure therapy, wound drainage or wound irrigation, e.g. for use with negative-pressure wound therapy [NPWT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/73—Suction drainage systems comprising sensors or indicators for physical values
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
    • A61M1/95—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing with sensors for exudate composition
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/00051—Accessories for dressings
    • A61F13/00063—Accessories for dressings comprising medicaments or additives, e.g. odor control, PH control, debriding, antimicrobic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F2013/00089—Wound bandages
    • A61F2013/0017—Wound bandages possibility of applying fluid
    • A61F2013/00174—Wound bandages possibility of applying fluid possibility of applying pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F2013/00361—Plasters
    • A61F2013/00365—Plasters use
    • A61F2013/00429—Plasters use for conducting tests
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F2013/00361—Plasters
    • A61F2013/00365—Plasters use
    • A61F2013/00536—Plasters use for draining or irrigating wounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F2013/00361—Plasters
    • A61F2013/00365—Plasters use
    • A61F2013/0054—Plasters use for deep wounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/18—General characteristics of the apparatus with alarm
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3306—Optical measuring means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/50—General characteristics of the apparatus with microprocessors or computers
    • A61M2205/52—General characteristics of the apparatus with microprocessors or computers with memories providing a history of measured variating parameters of apparatus or patient
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/29—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using visual detection
    • G01N21/293—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using visual detection with colour charts, graduated scales or turrets

Definitions

  • Negative pressure wound treatment system capable of detecting the color of exudate.
  • 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.
  • 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).
  • 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.
  • 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.
  • the alarm device comprises a buzzer or a horn.
  • the alarm device further includes an indicator light.
  • a setting unit is further included for turning on or off the sensor or the color detecting control unit.
  • the setting unit is further configured to set a correspondence table of colors and alarm signals.
  • the stored color information includes, but is not limited to, black, brown, yellow, green, red.
  • the number of the sensors is set at any one or more of the connection tube, the liquid collection bottle, and the wound.
  • the senor is a color sensor or a visual sensor.
  • the senor is a color sensor and the color signal is an RGB value.
  • the senor is a visual sensor
  • the visual signal is an image
  • 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. .
  • the wound information further includes, but is not limited to, wound location, wound type, wound area, and volume.
  • 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.
  • the medical staff can according to the storage unit. Further information is stored on the wound information containing at least color information.
  • FIG. 1 is a schematic structural view of a conventional negative pressure wound treatment system
  • FIG. 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.
  • 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 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.
  • the alarm device 9 includes a buzzer and an LED indicator.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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;
  • 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;
  • 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.
  • 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.
  • the alarm device 9 emits an audible and/or optical alarm based on the alarm signal.
  • the alarm device 9 includes a buzzer and an LED indicator.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)

Abstract

L'invention concerne un système de traitement des plaies par pression négative pouvant détecter la couleur des exsudats qui comprend un flacon (5) collecteur de liquide pour recueillir les exsudats de plaie, un appareil (11) de traitement des plaies par pression négative comportant une source (6) de pression négative et un contrôleur (7), un ensemble (10) pour soigner les plaies afin de remplir et refermer la plaie, qui est relié au flacon (5) collecteur de liquide par un tuyau (4) de liaison, un capteur (8) pour obtenir le signal de couleur ou le signal visuel de l'exsudat dans le flacon (5) collecteur de liquide, une unité de commande et de détection de la couleur aménagée dans le contrôleur (7), qui calcule la couleur correspondante selon le signal de couleur ou le signal visuel obtenu par le capteur (8) et calcule le signal d'alarme correspondant selon la table de consultation préréglée du signal de couleur et d'alarme, une unité de mémoire pour mémoriser les informations relatives à la plaie qui contient au moins les informations calculées relatives à la couleur, et un dispositif (9) d'alarme pour activer une alarme conformément au signal d'alarme.
PCT/CN2010/077048 2010-09-03 2010-09-17 Système de traitement des plaies par pression négative pouvant détecter la couleur des exsudats WO2012027913A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010274061.9 2010-09-03
CN2010102740619A CN101947348B (zh) 2010-09-03 2010-09-03 可检测渗出液颜色的负压伤口治疗系统

Publications (1)

Publication Number Publication Date
WO2012027913A1 true WO2012027913A1 (fr) 2012-03-08

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Cited By (9)

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US9526920B2 (en) 2010-10-12 2016-12-27 Smith & Nephew, Inc. Medical device
WO2017139686A1 (fr) * 2016-02-12 2017-08-17 Smith & Nephew, Inc. Systèmes et procédés de détection de conditions opérationnelles de pressothérapie par pression réduite
US9737649B2 (en) 2013-03-14 2017-08-22 Smith & Nephew, Inc. Systems and methods for applying reduced pressure therapy
US10155070B2 (en) 2013-08-13 2018-12-18 Smith & Nephew, Inc. Systems and methods for applying reduced pressure therapy
US10328188B2 (en) 2013-03-14 2019-06-25 Smith & Nephew, Inc. Systems and methods for applying reduced pressure therapy
US10549016B2 (en) 2014-12-30 2020-02-04 Smith & Nephew, Inc. Blockage detection in reduced pressure therapy
US10624794B2 (en) 2018-02-12 2020-04-21 Healyx Labs, Inc. Negative pressure wound therapy systems, devices, and methods
US10744239B2 (en) 2014-07-31 2020-08-18 Smith & Nephew, Inc. Leak detection in negative pressure wound therapy system
US12002566B2 (en) 2019-06-20 2024-06-04 Smith & Nephew, Inc. Attachment system for mounting apparatus

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CN102178995B (zh) * 2011-05-26 2013-01-02 惠州市华阳医疗电子有限公司 可检测渗出液颜色的负压伤口治疗系统
CN104189991A (zh) * 2014-09-11 2014-12-10 昆山韦睿医疗科技有限公司 伤口渗出液颜色识别方法、装置及负压治疗系统
CN104815384A (zh) * 2015-04-23 2015-08-05 广州新诚生物科技有限公司 可实现废液浑浊度监控的负压引流系统
CN107436294A (zh) * 2016-05-26 2017-12-05 镇江索乐电子科技有限公司 一种快速液体沉淀物颜色检测系统及其检测方法

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