CN102068750B - System equipment management-based negative pressure wound therapy system - Google Patents
System equipment management-based negative pressure wound therapy systemDownload PDFInfo
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- CN102068750B CN102068750BCN2011100281891ACN201110028189ACN102068750BCN 102068750 BCN102068750 BCN 102068750BCN 2011100281891 ACN2011100281891 ACN 2011100281891ACN 201110028189 ACN201110028189 ACN 201110028189ACN 102068750 BCN102068750 BCN 102068750B
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- pressure wound
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- 238000009581negative-pressure wound therapyMethods0.000titleclaimsabstractdescription18
- 238000012545processingMethods0.000claimsabstractdescription24
- 230000002159abnormal effectEffects0.000claimsabstractdescription13
- 230000032683agingEffects0.000claimsabstractdescription13
- 238000001514detection methodMethods0.000claimsdescription58
- 206010052428WoundDiseases0.000claimsdescription55
- 208000027418Wounds and injuryDiseases0.000claimsdescription55
- 238000012360testing methodMethods0.000claimsdescription7
- 238000004891communicationMethods0.000claimsdescription6
- 239000012530fluidSubstances0.000claimsdescription5
- 230000011218segmentationEffects0.000claimsdescription2
- 238000000034methodMethods0.000abstractdescription4
- 230000005856abnormalityEffects0.000abstract1
- 238000009825accumulationMethods0.000description3
- 239000007943implantSubstances0.000description3
- 238000005516engineering processMethods0.000description2
- 210000000416exudates and transudateAnatomy0.000description2
- 230000035876healingEffects0.000description2
- 238000012986modificationMethods0.000description2
- 230000004048modificationEffects0.000description2
- 238000012544monitoring processMethods0.000description2
- 230000001154acute effectEffects0.000description1
- 230000001684chronic effectEffects0.000description1
- 230000000977initiatory effectEffects0.000description1
- 239000004973liquid crystal related substanceSubstances0.000description1
- 230000000505pernicious effectEffects0.000description1
- 230000001225therapeutic effectEffects0.000description1
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- 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
- A61M1/96—Suction control thereof
- 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
- A61M2205/50—General characteristics of the apparatus with microprocessors or computers
- A61M2205/502—User interfaces, e.g. screens or keyboards
- 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
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Emergency Alarm Devices (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
Description
Technical field
The present invention relates to the negative pressure wound therapy device technical field, relate in particular to a kind of negative pressure wound treating system based on the system equipment management.
Background technology
Negative pressure wound therapy device, the U.S. is called Negative Pressure Wound Therapy Devices, and referred to as NPWT, its principle promotes the healing of wound for by the wound being applied negative pressure.Clinical showing over past according to the U.S. 10 years, this equipment has good healing effect to the treatment of wounds of various acute and chronics.
Usually, the negative pressure wound treating system container (claiming that here this container is liquid-collecting bottle) that comprises negative pressure wound therapy device, wound external member and be used for collecting the wound transudate.Wherein, the wound external member is used for wound closure, makes negative pressure space.Negative pressure wound therapy device is used for createing needed wound negative pressure, and negative pressure wound therapy device by a negative pressure source, forms with a controller.Referring to Fig. 1, be a kind of common negative pressure wound treating system shown in figure.Be negative pressurewound therapy device 8 in the dotted line frame; Reference numeral 1 is human body wound circumference skin histology;Wound implant 2 is with human body wound covering;Wound closure 3 is set abovewound implant 2, wound is sealed,wound implant 2 is connected on liquid-collectingbottle 5 by connection tube 4, thereby will be directed to from the wound fluid of wound in liquid-collectingbottle 5, collect from the transudate of wound by liquid-collectingbottle 5, the other end of liquid-collectingbottle 5 is connected withnegative pressure source 6, provides negative pressure bynegative pressure source 6, provides power for wound fluid flow to liquid-collectingbottle 5;Negative pressure source 6 connects acontroller 7, is realized controlling by 7 pairs of negative pressure sources ofcontroller 6.
Negative pressure wound therapy device uses through long-time, and the various device in system all can have certain probability to occur as administration of power supply (power supply, battery), gas circuit, negative pressure source etc. aging or abnormal.If occur aging or abnormal after can not in time be realized and carried out respective handling, system's operation just might damage user and patient due to misoperation.So need to be when extending device service life and guaranteeing device quality, equipment to system carries out monitoring management, occur in time to be processed in aging and abnormal at the equipment of system, avoid the pernicious consequence of aging and abnormal initiation, can greatly improve Systems balanth and safety.
Summary of the invention
The object of the invention is to, a kind of negative pressure wound treating system based on the system equipment management is provided, equipment to system carries out monitoring management, send abnormal alarm and display process result, thereby make the user of service immediately and all sidedly grasp the operation conditions of equipment, in time treatment facility is aging and abnormal, improves system stability and safety.
For solving the problems of the technologies described above, a kind of negative pressure wound treating system based on the system equipment management of the present invention comprises:
Liquid-collecting bottle is collected wound fluid;
Negative pressure wound therapy device comprises negative pressure source and controller;
The wound external member is filled and wound closure, is communicated with liquid-collecting bottle by connection tube;
Also comprise:
The system equipment management devices for detection of the running parameter of devices in system, is processed and the stores processor result, judges whether to send aging or the abnormal alarm instruction;
Display device is used for the result that the display system equipment management device is stored;
Alarm device is used for reporting to the police according to alarm command.
Preferably, described system equipment management devices comprises:
Detection module, for detection of the running parameter of devices in system, described running parameter comprises usage degree, temperature, humidity, voltage, electric current, gas circuit;
Whether processing module is used for existing extremely according to the running parameter of the testing result judgment device of detection module, and stores and send alarm command;
Whether selftest module works for detection of each module of system equipment management devices.
Preferably, described processing module judges that according to testing result the voltage and current of devices in system is whether within the normal range value of setting, judge negative pressure source within whether voltage and current under work, off working state is setting normal range, the storage current detection value of the detected value when storage voltage and electric current go beyond the scope and intermittent.
Preferably, described alarm device also is used for sending warning message to the supplier of relevant device.
Preferably, described alarm device comprises photoelectric alarm module, audible alarm module, radio communication alarm module.
Preferably, when described alarm device received alarm command, described radio communication alarm module was used for warning message is sent to the equipment supplier automatically by Wireless Telecom Equipment.
Preferably, described detection module comprises the behaviour in service detecting unit, operation and switch situation for detection of devices in system, described processing module also is used for the operation of the equipment that obtains according to detection and switch situation and calculates and comprise overall system, devices in system work total time, work total degree and work overall strength separately, in order to characterize usage degree.
Preferably, described detection module comprises voltage detection unit, for detection of the voltage of administration of power supply.
Preferably, described detection module comprises current detecting unit, for detection of the electric current of system power supply and devices in system.
Preferably, described detection module comprises temperature detecting unit, for detection of the temperature of devices in system.
Preferably, described detection module comprises the Humidity Detection unit, for detection of the humidity of each independent enclosed subspaces in system.
Preferably, described detection module comprises the gas circuit detecting unit, for detection of the air-tightness of each segmentation gas circuit and outside gas circuit in system and the connection state between each section gas circuit.
Preferably, described gas circuit detecting unit comprises a plurality of pressure transducers, is distributed on internal system and outside every section gas circuit, and whether detect the air-tightness of every section gas circuit and two sections or multistage gas circuit joint has blockage.
Negative pressure wound treating system based on the system equipment management of the present invention, due to the system equipment management devices being set, usage degree that can checkout equipment, temperature, humidity, voltage, other situations of gas circuit and system, carry out date processing and record, be judged as after treatment when abnormal or aging, send alarm command; Due to display device being set, result can be shown, personnel easy to use check, due to alarm device being set, can send alarm signal after receiving alarm command, give the user of service with caution, therefore, make the user of service at any time can both grasp all sidedly the operation conditions of equipment, in time aging the and abnormal conditions for the treatment of facility, improve system stability and safety.
Description of drawings
Fig. 1 is the structural representation of existing negative pressure wound treating system;
Fig. 2 is the structural representation that the present invention is based on the negative pressure wound treating system embodiment of system equipment management;
In figure, relevant Reference numeral is as follows:
The 1-wound, 2-wound dressing, 3-pad pasting, 4-connection tube, 6-negative pressure source, 7-controller, 8-negative pressure wound therapy device, 9-system equipment management devices, 10-display device, 11-alarm device.
The specific embodiment
Below in conjunction with accompanying drawing, by specific embodiment, the negative pressure wound treating system that the present invention is based on the system equipment management is elaborated.
Embodiment one
Referring to Fig. 2, the negative pressure wound treating system based on the system equipment management in the present embodiment comprises:
Liquid-collectingbottle 5 is used for collecting wound fluid;
Negative pressurewound therapy device 8 comprisesnegative pressure source 6 andcontroller 7;
The wound external member is used for filling and wound closure 1, comprises wound implant-wound dressing 2, wound closure-pad pasting 3, andwound dressing 2 is communicated with liquid-collectingbottle 5 by connection tube 4;
Systemequipment management devices 9, the usage degree of equipment in detection system, temperature, humidity, voltage, electric current, other situations of gas circuit and system are carried out date processing and storage, send alarm command;
Wherein, systemequipment management devices 9 comprises:
Detection module, for detection of the running parameter of devices in system, described running parameter comprises usage degree, temperature, humidity, voltage, electric current, gas circuit;
Whether processing module is used for existing extremely according to the running parameter of the testing result judgment device of detection module, and stores and send alarm command;
Whether selftest module works for detection of each module of system equipment management devices.
In the present embodiment, detection module comprises a behaviour in service detecting unit, be arranged innegative pressure source 6, detect the intensity whether negative pressure source move, move and whether the state that stops or stopping to opening from being opened to occurs, and send signal to processing module, processing module according to calculated signals go out negative pressure source work total time, open the total accumulation of total degree and intensity and store, send alarm command when work total time of record, the total accumulation of opening total degree and intensity reach predetermined aging value.Wherein, the work of negative pressure source is controlled by controller, so work total time, the initial data of opening total degree directly will be transferred to this behaviour in service detecting unit bycontroller 7; The work overall strength is each working strength and the product of opening total degree, and the intensity of every task, that voltage, electric current when detecting negative pressure source work obtains, the overall strength that the total time of negative pressure source work, negative pressure source are opened total degree, negative pressure source work is all the parameter that the negative pressure source usage degree is weighed, in order to characterize usage degree.
in the present embodiment, detection module comprises three voltage detection units and three current detecting units, lay respectively at the power supply (marking in figure) of system, battery (marking in figure) andnegative pressure source 6, detect power supply, the voltage of battery and negative pressure source and electric current and transmitted signal are to processing module, processing module judges power supply according to testing result, whether the voltage and current of battery is within the normal range value of setting, the judgement negative pressure source is in work, under off working state, whether voltage and current is within setting normal range, intermittent storage detected value and storage detected value when going beyond the scope, and send alarm command.
In the present embodiment, described detection module comprises two temperature detecting units, lay respectively at battery (illustrating in figure), thenegative pressure source 6 of system, the temperature and the transmitted signal that detect battery andnegative pressure source 6 arrive the processing module, processing module judges that the temperature of battery, negative pressure source is whether within setting normal range value, intermittent storage detected value and storage detected value when going beyond the scope, and send alarm signal.
In the present embodiment, described detection module comprises a Humidity Detection unit, be positioned at negative pressurewound therapy device 8, the humidity and the transmitted signal that detect in negative pressurewound therapy device 8 arrive the processing module, processing module judges that the humidity of negative pressure treatment equipment is whether within setting normal range value, intermittent storage detected value and storage detected value when going beyond the scope, and send alarm signal.
In the present embodiment, selftest module can detect whether behaviour in service detecting unit, temperature detecting unit, Humidity Detection unit exist can the open detection action, issue a signal to processing module, whether normally processing module judges the operation of behaviour in service detecting unit, temperature detecting unit, Humidity Detection unit according to signal, as be judged as when abnormal, send alarm signal.
Wherein, the display device in the present embodiment can show below content:
The total accumulation of the work total time of negative pressure source, unlatching total degree and intensity; The magnitude of voltage of power supply, battery, negative pressure source and current value; The temperature of battery and negative pressure source; Humidity in therapeutic equipment.
In the present embodiment,display device 10 is liquid crystal touch screen, and it also has setup unit, by setup unit, can open or the shutdown system equipment management device, makes it to start working or quit work.
Alarm device in the present embodiment comprises photoelectric alarm module, audible alarm module, radio communication alarm module, when receiving alarm command, described radio communication alarm module is used for warning message is sent to the equipment supplier automatically by Wireless Telecom Equipment.Wherein, alarm device sends alarm signal and simultaneously relevant information is sent to the equipment supplier by wireless signal in following situation;
Negative pressure pump is aging; Voltage and the electric current of power supply, battery, negative pressure source go beyond the scope; The temperature of battery and negative pressure source goes beyond the scope; Humidity in negative pressure wound therapy device goes beyond the scope.
Embodiment two
The difference of the present embodiment and embodiment one is, detection module in system equipment management devices in the present embodiment also comprises the gas circuit detecting unit, this gas circuit detecting unit is included in the pressure transducer of many places Node configuration in the gas circuit of system, air pressure by the detection of every place, processing module according to testing result judge whether a certain section air pressure occurs extremely, stopping state, intermittent storage detected value and storage detected value when going beyond the scope, and send alarm command.
All the other are all consistent with embodiment one, repeat no more herein.
Be below only the preferred embodiment of the present invention, should be pointed out that above-mentioned preferred implementation should not be considered as limitation of the present invention, protection scope of the present invention should be as the criterion with the determined scope of claim.For those skilled in the art, without departing from the spirit and scope of the present invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. negative pressure wound treating system based on system equipment management comprises:
Liquid-collecting bottle is collected wound fluid;
Negative pressure wound therapy device comprises negative pressure source and controller;
The wound external member is filled and wound closure, is communicated with liquid-collecting bottle by connection tube;
It is characterized in that, also comprise:
The system equipment management devices for detection of the running parameter of devices in system, is processed and the stores processor result, judges whether to send aging or the abnormal alarm instruction;
Display device is used for the result that the display system equipment management device is stored;
Alarm device is used for reporting to the police according to alarm command; Described alarm device also is used for sending warning message to the supplier of relevant device;
Described system equipment management devices comprises:
Detection module, for detection of the running parameter of devices in system, described running parameter comprises usage degree, temperature, humidity, voltage, electric current, gas circuit;
Whether processing module is used for existing extremely according to the running parameter of the testing result judgment device of detection module, and stores and send alarm command;
Whether selftest module works for detection of each module of system equipment management devices;
Described detection module comprises the behaviour in service detecting unit, operation and switch situation for detection of devices in system, described processing module also is used for the operation of the equipment that obtains according to detection and switch situation and calculates and comprise overall system, devices in system work total time, work total degree and work overall strength separately, in order to characterize usage degree.
2. the negative pressure wound treating system based on system equipment management as claimed in claim 1, it is characterized in that, described processing module judges that according to testing result the voltage and current of devices in system is whether within the normal range value of setting, judge negative pressure source within whether voltage and current under work, off working state is setting normal range, the storage current detection value of the detected value when storage voltage and electric current go beyond the scope and intermittent.
3. the negative pressure wound treating system based on the system equipment management as claimed in claim 1, is characterized in that, described alarm device comprises photoelectric alarm module, audible alarm module, radio communication alarm module.
4. the negative pressure wound treating system based on system equipment management as claimed in claim 3, it is characterized in that, when described alarm device received alarm command, described radio communication alarm module was used for warning message is sent to the equipment supplier automatically by Wireless Telecom Equipment.
5. the negative pressure wound treating system based on the system equipment management as claimed in claim 1, is characterized in that, described detection module comprises voltage detection unit, for detection of the voltage of administration of power supply.
6. the negative pressure wound treating system based on the system equipment management as claimed in claim 1, is characterized in that, described detection module comprises current detecting unit, for detection of the electric current of system power supply and devices in system.
7. the negative pressure wound treating system based on the system equipment management as claimed in claim 1, is characterized in that, described detection module comprises temperature detecting unit, for detection of the temperature of devices in system.
8. the negative pressure wound treating system based on system equipment management as claimed in claim 1, is characterized in that, described detection module comprises the Humidity Detection unit, for detection of the humidity of each independent enclosed subspaces in system.
9. the negative pressure wound treating system based on system equipment management as claimed in claim 1, it is characterized in that, described detection module comprises the gas circuit detecting unit, for detection of the air-tightness of each segmentation gas circuit and outside gas circuit in system and the connection state between each section gas circuit.
10. the negative pressure wound treating system based on system equipment management as claimed in claim 9, it is characterized in that, described gas circuit detecting unit comprises a plurality of pressure transducers, whether be distributed on internal system and outside every section gas circuit, detecting the air-tightness of every section gas circuit and two sections or multistage gas circuit joint has blockage.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100281891ACN102068750B (en) | 2011-01-26 | 2011-01-26 | System equipment management-based negative pressure wound therapy system |
| PCT/CN2011/084899WO2012100624A1 (en) | 2011-01-26 | 2011-12-29 | System equipment management-based negative pressure wound therapy system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100281891ACN102068750B (en) | 2011-01-26 | 2011-01-26 | System equipment management-based negative pressure wound therapy system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102068750A CN102068750A (en) | 2011-05-25 |
| CN102068750Btrue CN102068750B (en) | 2013-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100281891AActiveCN102068750B (en) | 2011-01-26 | 2011-01-26 | System equipment management-based negative pressure wound therapy system |
Country Status (2)
| Country | Link |
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| CN (1) | CN102068750B (en) |
| WO (1) | WO2012100624A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9526920B2 (en) | 2010-10-12 | 2016-12-27 | Smith & Nephew, Inc. | Medical device |
| CN102068750B (en)* | 2011-01-26 | 2013-05-15 | 惠州市华阳医疗电子有限公司 | System equipment management-based negative pressure wound therapy system |
| AU2012340789B2 (en)* | 2011-11-23 | 2017-05-04 | Solventum Intellectual Properties Company | Reduced-pressure systems, methods, and devices for simultaneously treating a plurality of tissue sites |
| JP2016517318A (en) | 2013-03-14 | 2016-06-16 | スミス アンド ネフュー インコーポレーテッド | System and method for administering decompression therapy |
| US9737649B2 (en) | 2013-03-14 | 2017-08-22 | Smith & Nephew, Inc. | Systems and methods for applying reduced pressure therapy |
| WO2015023515A1 (en) | 2013-08-13 | 2015-02-19 | Smith & Nephew, Inc. | Systems and methods for applying reduced pressure therapy |
| CN106163583B (en)* | 2014-02-20 | 2019-03-19 | 凯希特许有限公司 | For using vacuum pump to empty the method and system of deposited part |
| CN103920231A (en)* | 2014-04-25 | 2014-07-16 | 昆山韦睿医疗科技有限公司 | Negative pressure wound therapeutic equipment and control method thereof |
| CA3179001A1 (en) | 2014-07-31 | 2016-02-04 | Smith & Nephew, Inc. | Systems and methods for applying reduced pressure therapy |
| US12133789B2 (en) | 2014-07-31 | 2024-11-05 | Smith & Nephew, Inc. | Reduced pressure therapy apparatus construction and control |
| EP3240587B1 (en) | 2014-12-30 | 2020-05-27 | Smith & Nephew, Inc | Systems for applying reduced pressure therapy |
| CA2972701A1 (en) | 2014-12-30 | 2016-07-07 | Smith & Nephew, Inc. | Systems and methods for applying reduced pressure therapy |
| EP3297697B1 (en) | 2015-05-18 | 2022-05-11 | Smith & Nephew plc | Negative pressure wound therapy apparatus |
| AU2016305091B2 (en) | 2015-08-13 | 2021-06-10 | Smith & Nephew, Inc. | Systems and methods for applying reduced pressure therapy |
| US11315681B2 (en) | 2015-10-07 | 2022-04-26 | Smith & Nephew, Inc. | Reduced pressure therapy device operation and authorization monitoring |
| CN109069713A (en) | 2016-05-13 | 2018-12-21 | 史密夫和内修有限公司 | Automatic wound in negative pressure wound treating system couples detection |
| US12263294B2 (en) | 2016-09-28 | 2025-04-01 | T.J.Smith And Nephew, Limited | Systems and methods for operating negative pressure wound therapy devices |
| GB201811494D0 (en)* | 2018-07-13 | 2018-08-29 | Smith & Nephew | Inter-device communications and device control in wound therapy systems |
| US11395870B2 (en) | 2017-02-15 | 2022-07-26 | Smith & Nephew Asia Pacific Pte. Limited | Negative pressure wound therapy apparatuses and methods for using the same |
| EP3687592B1 (en) | 2017-09-29 | 2025-09-03 | T.J. Smith & Nephew, Limited | Negative pressure wound therapy apparatus with removable panels |
| GB201813282D0 (en) | 2018-08-15 | 2018-09-26 | Smith & Nephew | System for medical device activation and opertion |
| GB201804347D0 (en) | 2018-03-19 | 2018-05-02 | Smith & Nephew Inc | Securing control of settings of negative pressure wound therapy apparatuses and methods for using the same |
| WO2019211731A1 (en) | 2018-04-30 | 2019-11-07 | Smith & Nephew Pte. Limited | Systems and methods for controlling dual mode negative pressure wound therapy apparatus |
| GB201806988D0 (en)* | 2018-04-30 | 2018-06-13 | Quintanar Felix Clarence | Power source charging for negative pressure wound therapy apparatus |
| USD888225S1 (en) | 2018-04-30 | 2020-06-23 | Smith & Nephew Asia Pacific Pte. Limited | Pump and canister assembly for negative pressure wound therapy |
| GB201808438D0 (en) | 2018-05-23 | 2018-07-11 | Smith & Nephew | Systems and methods for determining blockages in a negative pressure wound therapy system |
| GB201914283D0 (en) | 2019-10-03 | 2019-11-20 | Smith & Nephew | Apparatuses and methods for negative pressure wound therapy |
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| Publication number | Publication date |
|---|---|
| WO2012100624A1 (en) | 2012-08-02 |
| CN102068750A (en) | 2011-05-25 |
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