WO2012027916A1 - Système de traitement des plaies par pression négative pouvant détecter la transparence des exsudats de plaie - Google Patents

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

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Publication number
WO2012027916A1
WO2012027916A1 PCT/CN2010/077134 CN2010077134W WO2012027916A1 WO 2012027916 A1 WO2012027916 A1 WO 2012027916A1 CN 2010077134 W CN2010077134 W CN 2010077134W WO 2012027916 A1 WO2012027916 A1 WO 2012027916A1
Authority
WO
WIPO (PCT)
Prior art keywords
transparency
wound
negative pressure
wound exudate
exudate
Prior art date
Application number
PCT/CN2010/077134
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 WO2012027916A1 publication Critical patent/WO2012027916A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/032—Analysing fluids by measuring attenuation of acoustic waves
    • 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
    • A61M1/98—Containers specifically adapted for negative pressure wound therapy
    • A61M1/982—Containers specifically adapted for negative pressure wound therapy with means for detecting level of collected exudate
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/048—Transmission, i.e. analysed material between transmitter and receiver

Definitions

  • Negative pressure wound treatment system capable of detecting the transparency of wound exudate.
  • the invention relates to the technical field of negative pressure wound treatment equipment, and in particular to a negative pressure wound treatment system capable of detecting the transparency of an exudate. Background technique
  • Negative pressure wound treatment equipment is called Negative_Pressure_Wound_Therapy_Devices in the United States, and the barrel is called NPWT.
  • the 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 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; 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 8; 1 is the skin tissue around the human wound; the filling 2 at the wound covers the wound of the human body; the wound closure 3 is placed above the filling 2 at the wound to close the wound;
  • the substance 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;
  • One end 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, which is realized by the controller 7 for the negative pressure source 6 control.
  • the wound exudate is a body fluid accumulated in the wound, and its formation has many physiological reasons. 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 transparency of wound exudate includes:
  • 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 collection bottle through a connecting tube; further comprising: a wound exudate transparency detecting module, comprising:
  • a transmitting unit that emits an electromagnetic wave or an acoustic wave signal to the liquid collecting bottle
  • the receiving unit receives the electromagnetic wave or sound wave signal reflected or refracted by the liquid collecting bottle; the detecting control unit is disposed in the controller, and determines the wound exudate at the position of the wound exudate detecting module according to the receiving unit receiving the electromagnetic wave or the acoustic wave signal Transparency.
  • the value or the gear position of the wound exudate transparency is calculated according to the predetermined wound exudate transparency value or the correspondence table of the gear position and the electromagnetic wave or acoustic wave signal value or the gear position.
  • the value or the gear position of the wound exudate transparency and the received electromagnetic wave or acoustic wave signal is positively correlated.
  • the electromagnetic wave or acoustic wave signal value or the gear position when there is no exudate at the liquid collecting bottle between the receiving unit and the transmitting unit
  • the electromagnetic wave or acoustic signal value or gear position received by the receiving unit corresponds to the transparency maximum value or gear position of the wound exudate.
  • the wound exudate transparency detecting module is disposed on a transmission mechanism, and the transmission mechanism is coupled to a driving mechanism.
  • the transmission mechanism is any one of a screw rod, a gear set, a belt, and a leather wheel.
  • a plurality of wound exudate transparency detection modules are included, uniformly distributed along the longitudinal direction of the collection bottle.
  • the controller calculates an average transparency value of the exudate based on the detected transparency value of each wound exudate transparency detection module.
  • a display unit is further coupled to the controller to display the size of the wound exudate transparency.
  • the display unit displays a value or a gear position of the wound exudate transparency.
  • the wound exudate transparency detecting module comprises: a transmitting unit, The liquid collecting bottle emits an electromagnetic wave or an acoustic wave signal; the receiving unit receives an electromagnetic wave or an acoustic wave signal reflected or refracted by the liquid collecting bottle; the detecting control unit is disposed in the controller, and determines the wound exudate according to the receiving unit receiving the electromagnetic wave or the acoustic wave signal.
  • the negative pressure wound treatment system can use the size of the electromagnetic wave or sound wave signal received by the receiving unit to obtain the transparency of the wound exudate, for the medical staff to treat the wound
  • the exudate is conveniently managed and researched.
  • FIG. 1 is a schematic structural view of a conventional negative pressure wound treatment system
  • FIG. 2 is a schematic structural view of a first embodiment of a negative pressure wound treatment system capable of detecting the transparency of a wound exudate according to the present invention
  • Figure 3 is a schematic view of the optical path of part A of Figure 2;
  • FIG. 4 is a schematic view showing the cooperation of the wound exudate transparency detecting module, the transmission mechanism and the driving mechanism in the second embodiment of the negative pressure wound treatment system capable of detecting the transparency of the wound exudate of the present invention.
  • Figure 2 is a schematic view showing the structure of a negative pressure wound treatment system for detecting the transparency of exudate in the present embodiment
  • Figure 3 is a schematic view of the optical path at A in Figure 2.
  • the negative pressure wound treatment system capable of detecting the transparency of the exudate in the embodiment comprises: a liquid collection bottle 5 for collecting wound exudate;
  • Negative pressure wound treatment device 8 including a negative pressure source 6 and a controller 7;
  • a wound kit for filling a wound and closing the wound including a wound filler 2, a wound closure 3, and a wound filler 2 connected to the collection bottle 5 through a connecting tube 4;
  • the controller 7 is coupled to a display unit 12 which can display the value or gear position of the wound exudate transparency.
  • the display unit is an LED display interface.
  • other display interfaces such as an LCD interface, are also available.
  • each wound exudate volume detecting module 9 comprises:
  • the transmitting unit 91 emits an electromagnetic wave signal to the liquid collecting bottle 5, and is disposed at one side of the liquid collecting bottle 5.
  • the receiving unit 92 receives an electromagnetic wave signal refracted by the liquid collecting bottle 5, and is disposed opposite to the emitting unit 91 in the liquid collecting bottle 5. The other side.
  • the detection control unit determines the transparency of the wound exudate according to the magnitude of the electromagnetic wave or ultrasonic signal received by the receiving unit 92.
  • the table of correspondence between the value of the transparency of the wound exudate and the value of the electromagnetic wave received by the receiving unit is preset.
  • the maximum value of the received electromagnetic wave signal corresponds to a maximum transparency value of 100
  • the received electromagnetic wave signal is minimum.
  • the value corresponds to the minimum value of the transparency 0.
  • each value corresponds to an electromagnetic wave signal value. Therefore, according to the electromagnetic wave signal value received by the receiving unit 92, the corresponding wound exudate transparency can be found. value.
  • the electromagnetic wave signal of the receiving unit 92 is the largest, and the value of the corresponding transparency is the maximum value, and when the electromagnetic wave signal received by the receiving unit 92 is less than the maximum value, it means There is seepage between the transmitting unit 91 and the receiving unit 92.
  • the size of the transparency and the size of the electromagnetic wave signal can also be determined by the height of the gear position - for example, the size of the transparency is divided into 2, 3, 4, 5, 6 and the like, and each gear position corresponds to the corresponding gear position of the electromagnetic wave signal value.
  • the value or position of the wound exudate transparency may be positively correlated with the value or gear of the received electromagnetic or acoustic signal, or may be negatively correlated.
  • the electromagnetic wave used in the present embodiment is infrared rays.
  • visible light, ultraviolet light, laser light or other electromagnetic signals may be used, and ultrasonic waves, infrasound waves or other sound wave signals may be used.
  • the transmitting unit 91 emits an infrared ray S1, which is refracted into the inner region 52 of the liquid collecting bottle 5 through the side wall 51 of the liquid collecting bottle, and then is emitted from the other side of the side wall 51 of the liquid collecting bottle 5, and the receiving unit 92
  • the infrared ray S1 that is refracted is received, and another part of the infrared ray is reflected as the reflected light S2.
  • the receiving unit 92 of the four wound exudate transparency detecting module 9 disposed along the longitudinal direction of the liquid collecting bottle receives the infrared signal size, and can determine the liquid collecting bottle corresponding to the position of each wound exudate transparency detecting module 9.
  • wound exudate transparency detecting module 9 Only one wound exudate transparency detecting module 9 is provided, and the transmitting unit and the receiving unit are assembled together.
  • the wound exudate volume detecting module 9 is placed on a screw 10 vertically extending on a center line, the lead screw The centerline of the 10 is parallel to the up and down direction of the liquid collection bottle 5.
  • the wound exudate transparency detecting module 9 is restrained in the circumferential direction of the center line of the screw shaft 10, so that the wound exudate transparency detecting module 9 can only be in the wire.
  • the rod 10 moves in the direction of the center line; one end of the screw rod 10 is connected to the motor 11, and under the driving of the motor 11, the screw rod 10 rotates around its center line, thereby driving the wound exudate transparency module 9 along the center line of the screw rod 10. Moving, the electromagnetic wave signal received at the corresponding position of the liquid collecting bottle 5 is detected, and the transparency of the wound is measured.
  • the screw 10 can also be used by any other transmission mechanism such as: gear set, belt, and leather wheel Alternatively, as long as the wound exudate transparency detecting module 9 can be moved in the longitudinal direction relative to the liquid collecting bottle 5, the purpose of detecting the transparency of the corresponding position of the liquid collecting bottle 5 can be achieved.
  • the wound exudate transparency detecting module 9 is moved up and down by the screw rod 10.
  • the controller 7 can calculate the transparency of the wound exudate at different heights in the liquid collecting bottle 5 according to the stroke of the motor, thereby calculating The average transparency of the wound exudate in the collection bottle 5.

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

Abstract

L'invention concerne un système de traitement des plaies par pression négative pouvant détecter la transparence des exsudats de plaie qui comporte un flacon (5) collecteur pour recueillir les exsudats de plaie, un dispositif (8) de traitement des plaies par pression négative constitué d'une source (6) de pression négative et d'un contrôleur (7), et un kit pour soigner les plaies afin de remplir et refermer la plaie, qui communique avec le flacon (5) collecteur par un tube (4) de liaison. Le système de l'invention comporte en outre un module (9) de détection de la transparence des exsudats de plaie, qui comporte une unité (91) de transmission pour transmettre une onde électromagnétique ou un signal d'onde acoustique vers le flacon (5) collecteur, une unité (92) de réception pour recevoir l'onde électromagnétique ou le signal d'onde acoustique réfléchi ou réfracté par le flacon (5) collecteur, et une unité de commande de détection située dans le contrôleur (7), qui détermine la transparence de l'exsudat de plaie à l'emplacement du module (9) de détection de la transparence de l'exsudat de plaie en se basant sur l'onde électromagnétique ou le signal d'onde acoustique reçu par l'unité (92) de réception.
PCT/CN2010/077134 2010-09-03 2010-09-20 Système de traitement des plaies par pression négative pouvant détecter la transparence des exsudats de plaie WO2012027916A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010274088.8 2010-09-03
CN2010102740888A CN101940805B (zh) 2010-09-03 2010-09-03 可检测伤口渗出液透明度的负压伤口治疗系统

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WO2012027916A1 true WO2012027916A1 (fr) 2012-03-08

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9526920B2 (en) 2010-10-12 2016-12-27 Smith & Nephew, Inc. Medical device
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
US10744239B2 (en) 2014-07-31 2020-08-18 Smith & Nephew, Inc. Leak detection in negative pressure wound therapy system
US11357906B2 (en) 2016-02-12 2022-06-14 Smith & Nephew, Inc. Systems and methods for detecting operational conditions of reduced pressure therapy
US12090264B2 (en) 2012-05-22 2024-09-17 Smith & Nephew Plc Apparatuses and methods for wound therapy

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102218188B (zh) * 2011-05-26 2013-02-13 惠州市华阳医疗电子有限公司 可检测伤口渗出液透明度的负压伤口治疗系统
RU2014138377A (ru) * 2012-03-20 2016-05-20 СМИТ ЭНД НЕФЬЮ ПиЭлСи Управление работой системы терапии пониженным давлением, основанное на определении порога продолжительности включения
CN110464571B (zh) * 2019-08-01 2021-02-12 南通市第一人民医院 一种烧伤或烫伤临床辅助治疗床及其使用方法

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WO2009137194A2 (fr) * 2008-04-01 2009-11-12 Ohio Medical Corporation Système de traitement de plaie
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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11565134B2 (en) 2010-10-12 2023-01-31 Smith & Nephew, Inc. Medical device
US10086216B2 (en) 2010-10-12 2018-10-02 Smith & Nephew, Inc. Medical device
US9526920B2 (en) 2010-10-12 2016-12-27 Smith & Nephew, Inc. Medical device
US10639502B2 (en) 2010-10-12 2020-05-05 Smith & Nephew, Inc. Medical device
US12090264B2 (en) 2012-05-22 2024-09-17 Smith & Nephew Plc Apparatuses and methods for wound therapy
US10905806B2 (en) 2013-03-14 2021-02-02 Smith & Nephew, Inc. Reduced pressure wound therapy control and data communication
US10610624B2 (en) 2013-03-14 2020-04-07 Smith & Nephew, Inc. Reduced pressure therapy blockage detection
US10328188B2 (en) 2013-03-14 2019-06-25 Smith & Nephew, Inc. Systems and methods for applying reduced pressure therapy
US9737649B2 (en) 2013-03-14 2017-08-22 Smith & Nephew, Inc. Systems and methods for applying reduced pressure therapy
US12002566B2 (en) 2013-03-14 2024-06-04 Smith & Nephew, Inc. Attachment system for mounting apparatus
US11633533B2 (en) 2013-03-14 2023-04-25 Smith & Nephew, Inc. Control architecture for reduced pressure wound therapy apparatus
US10155070B2 (en) 2013-08-13 2018-12-18 Smith & Nephew, Inc. Systems and methods for applying reduced pressure therapy
US10912870B2 (en) 2013-08-13 2021-02-09 Smith & Nephew, Inc. Canister fluid level detection in reduced pressure therapy systems
US10744239B2 (en) 2014-07-31 2020-08-18 Smith & Nephew, Inc. Leak detection in negative pressure wound therapy system
US12115298B2 (en) 2014-07-31 2024-10-15 Smith & Nephew, Inc. Wound pressure determination for reduced pressure wound therapy
US11524106B2 (en) 2014-12-30 2022-12-13 Smith & Nephew, Inc. Blockage detection in reduced pressure therapy
US10549016B2 (en) 2014-12-30 2020-02-04 Smith & Nephew, Inc. Blockage detection in reduced pressure therapy
US11357906B2 (en) 2016-02-12 2022-06-14 Smith & Nephew, Inc. Systems and methods for detecting operational conditions of reduced pressure therapy

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Publication number Publication date
CN101940805A (zh) 2011-01-12
CN101940805B (zh) 2012-05-30

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