WO2012057882A1 - Interactive, wireless reduced-pressure dressings, methods, and systems - Google Patents

Interactive, wireless reduced-pressure dressings, methods, and systems Download PDF

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Publication number
WO2012057882A1
WO2012057882A1 PCT/US2011/044189 US2011044189W WO2012057882A1 WO 2012057882 A1 WO2012057882 A1 WO 2012057882A1 US 2011044189 W US2011044189 W US 2011044189W WO 2012057882 A1 WO2012057882 A1 WO 2012057882A1
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WO
WIPO (PCT)
Prior art keywords
pressure
reduced
wireless
sensor
processor
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/US2011/044189
Other languages
English (en)
French (fr)
Inventor
Christopher Brian Locke
Richard Daniel John Coulthard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KCI Licensing Inc
Original Assignee
KCI Licensing Inc
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 KCI Licensing Inc filed Critical KCI Licensing Inc
Priority to CN2011800504864A priority Critical patent/CN103179929A/zh
Priority to EP11749596.0A priority patent/EP2632407B1/en
Priority to CA2814742A priority patent/CA2814742A1/en
Priority to AU2011320912A priority patent/AU2011320912B2/en
Priority to JP2013536611A priority patent/JP2014500739A/ja
Publication of WO2012057882A1 publication Critical patent/WO2012057882A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • A61M1/80—Suction pumps
    • 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
    • A61F13/00055—Saturation indicators
    • 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
    • A61F13/02—Adhesive bandages or dressings
    • 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
    • A61M1/732—Visual indicating means for vacuum pressure
    • 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
    • A61M1/91—Suction aspects of the dressing
    • A61M1/915—Constructional details of the pressure distribution manifold
    • 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
    • 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
    • A61M1/962—Suction control thereof having pumping means on the suction site, e.g. miniature pump on dressing or dressing capable of exerting suction
    • 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
    • A61M1/966—Suction control thereof having a pressure sensor on or near the dressing
    • 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
    • A61F2013/00536—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
    • A61F2013/00902—Plasters containing means
    • A61F2013/0094—Plasters containing means for sensing physical parameters
    • 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
    • A61M1/74—Suction control
    • 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
    • A61M1/74—Suction control
    • A61M1/75—Intermittent or pulsating suction
    • 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
    • A61M1/92—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing with liquid supply 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
    • 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
    • A61M1/964—Suction control thereof having venting means on or near the dressing
    • 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
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3344—Measuring or controlling pressure at the body treatment site
    • 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
    • A61M2205/35—Communication
    • A61M2205/3576—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver
    • 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
    • A61M2205/35—Communication
    • A61M2205/3576—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver
    • A61M2205/3592—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver using telemetric means, e.g. radio or optical transmission
    • 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
    • A61M2205/60—General characteristics of the apparatus with identification means
    • A61M2205/6054—Magnetic identification systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49016—Antenna or wave energy "plumbing" making
    • Y10T29/49018—Antenna or wave energy "plumbing" making with other electrical component

Definitions

  • the method further includes providing a reduced-pressure source; transmitting an ID inquiry signal from the remote base unit to the first, wireless, reduced-pressure dressing; receiving the ID inquiry signal at the first, wireless, reduced-pressure dressing and producing an ID message signal; transmitting the ID message signal from the first, wireless, reduced-pressure dressing to the remote base unit; receiving the ID message signal at the remote base unit; determining if the ID message signal is on an approved list; and activating the reduced-pressure source to provide reduced pressure to the distribution manifold if the ID message signal represents a dressing that is on the approved list or indicating an error if the ID message signal represents a dressing that is not on the approved list.
  • FIGURE 4 is a schematic top view of an illustrative embodiment of a first, wireless, reduced-pressure dressing
  • the second processor 148, RFID reader 146, first RFID antenna 122, and first processor 124 may be configured to perform the following steps: transmitting an ID inquiry signal from the remote base unit 1 14 to the first, wireless, reduced- pressure dressing 1 12; receiving the ID inquiry signal at the first, wireless, reduced-pressure dressing 112 and producing an ID message signal; transmitting the ID message signal from the first, wireless, reduced-pressure dressing 1 12 to the remote base unit 1 14; receiving the ID message signal at the remote base unit 114; determining if the ID message signal represents a dressing on an approved list; and activating the reduced-pressure source 1 16 to provide reduced pressure to the distribution manifold 118 if the ID message signal represents a dressing that is on the approved list (or otherwise acceptable) or indicating an error if the ID message signal represents a dressing that is not on the approved list.
  • a dissolution element 162 is disposed proximate to the membrane 160 and is adapted to (or operable to) change the membrane 160 from an occlusive state to a non- occlusive state.
  • the dissolution element 162 may be activated by the first processor 124 to produce the activating event. In other embodiments, the dissolution element 162 may be activated by the second processor 148 or an external stimulus.
  • FIGURE 5 another illustrative embodiment of a system 100 for treating at least one tissue site 102 with reduced pressure is presented.
  • the system 100 includes a first, wireless, reduced-pressure dressing 1 12.
  • the system 100 is analogous in most respects to the system 100 of FIGURE 1, except that a reduced-pressure source 1 16 is a micro-pump 117, e.g., a piezoelectric pump, and is adjacent to the distribution manifold 1 18.
  • an absorbent layer 1 19 is also explicitly included.
  • "adjacent" means next to, in the vicinity of, and also includes in.
  • a dedicated battery 166 may be coupled to the micro-pump 1 17 to provide power to the micro-pump 117.
  • a vent line 168 may be used to allow the micro-pump 1 17 to vent or exhaust outside of the first, wireless, reduced-pressure dressing 112.
  • a first processor (analogous to first processor 124 of FIGURE 3) that is associated with a WISP or RFID device 170, may be instructed by the remote base unit 114 to deliver a control signal to the micro-pump 117 when necessary.
  • the remote base unit 1 14 transmits an ID inquiry signal to the first, wireless, reduced-pressure dressing 1 12.
  • the first RFID antenna 122 receives the ID inquiry signal.
  • the ID inquiry signal energizes the first processor 124 and provides an identification request to the first processor 124.
  • the first processor 124 transmits an ID message signal from the first RFID antenna 122 to the RFID reader 146 on the remote base unit 114.
  • the remote base unit 1 14 waits for the ID message signal at interrogatory 206.
  • the second processor 148 waits a predetermined time for the ID message signal. If the ID message signal is not received during the predetermined time, the process proceeds to step 208 where an error flag is posted and the process ends at 210.
  • the error flag may include posting a message for display at control panel 158 or sounding an alarm or providing other notification. If the ID message signal is received, the process proceeds to interrogatory 212.
  • the second processor 148 compares the elapsed time of the first chronograph, Tl, with a maximum time, Tlmax. If the maximum time has been exceeded, the process continues to step 226. At step 226, the second processor 148 posts an error flag and the process ends at 228. The error flag may include sounding an alarm or displaying a message on the control panel 158 or otherwise notifying the user of a problem. If the maximum time has not been exceeded, the process returns to step 218. The loop (218, 220, 222, 218, ...) continues until the maximum time is exceeded or a suitable reduced pressure is reached.
  • FIGURES 6A-6B The process presented in FIGURES 6A-6B is one illustrative embodiment. Many embodiments are possible. Other process flows may include analogous instructions for receiving temperature message signals from the second sensor 142 or other data depending on the sensor type. In another illustrative embodiment, the activation step may follow the steps required to confirm an approved dressing.
  • the method may further include determining if the first pressure message signal is greater (on an absolute pressure scale) than a target pressure, and if greater than the target pressure, then activating the reduced-pressure source, and if less (on an absolute pressure scale) than the target pressure, then deactivating the reduced-pressure source.
  • a system for treating at least one tissue site with reduced pressure includes: a first, wireless, reduced-pressure dressing for disposing proximate to the tissue site.
  • the first, wireless, reduced-pressure dressing comprises: a distribution manifold, a sealing member covering at least a portion of the distribution manifold, a reduced-pressure interface for providing reduced pressure to the distribution manifold, a first RFID antenna, a first processor coupled to the first RFID antenna, a first sensor coupled to the first processor, a membrane, wherein the membrane is initially occlusive and wherein the membrane covers at least a portion of the reduced-pressure interface and is adapted to prevent fluid flow when in the occlusive state, a dissolution element proximate to the membrane that is operable, when activated, to change the membrane from an occlusive state to a non-occlusive state, a remote base unit comprising a RFID reader and a second processor; and a reduced-pressure source fluidly coupled to the distribution manifold.

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • External Artificial Organs (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
PCT/US2011/044189 2010-10-27 2011-07-15 Interactive, wireless reduced-pressure dressings, methods, and systems Ceased WO2012057882A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN2011800504864A CN103179929A (zh) 2010-10-27 2011-07-15 交互式无线减压敷件、方法以及系统
EP11749596.0A EP2632407B1 (en) 2010-10-27 2011-07-15 Interactive, wireless reduced-pressure dressings, methods, and systems
CA2814742A CA2814742A1 (en) 2010-10-27 2011-07-15 Interactive, wireless reduced-pressure dressings, methods, and systems
AU2011320912A AU2011320912B2 (en) 2010-10-27 2011-07-15 Interactive, wireless reduced-pressure dressings, methods, and systems
JP2013536611A JP2014500739A (ja) 2010-10-27 2011-07-15 対話型無線減圧ドレッシング、方法、およびシステム

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US40719410P 2010-10-27 2010-10-27
US61/407,194 2010-10-27
US41873010P 2010-12-01 2010-12-01
US61/418,730 2010-12-01
US201161445383P 2011-02-22 2011-02-22
US201161445338P 2011-02-22 2011-02-22
US61/445,383 2011-02-22
US61/445,338 2011-02-22

Publications (1)

Publication Number Publication Date
WO2012057882A1 true WO2012057882A1 (en) 2012-05-03

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PCT/US2011/044189 Ceased WO2012057882A1 (en) 2010-10-27 2011-07-15 Interactive, wireless reduced-pressure dressings, methods, and systems
PCT/US2011/044187 Ceased WO2012057881A1 (en) 2010-10-27 2011-07-15 Reduced-pressure systems, dressings, and methods employing a wireless pump

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PCT/US2011/044187 Ceased WO2012057881A1 (en) 2010-10-27 2011-07-15 Reduced-pressure systems, dressings, and methods employing a wireless pump

Country Status (8)

Country Link
US (3) US20120109034A1 (https=)
EP (2) EP2632406B1 (https=)
JP (2) JP5843296B2 (https=)
CN (2) CN103179929A (https=)
AU (2) AU2011320912B2 (https=)
CA (2) CA2814740C (https=)
TW (2) TW201217021A (https=)
WO (2) WO2012057882A1 (https=)

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JP2015527112A (ja) * 2012-06-28 2015-09-17 ケーシーアイ ライセンシング インコーポレイテッド Ｒｆｉｄ及び統合型歪ゲージ圧力センサを有する創傷接続パッド
US10130518B2 (en) 2012-04-12 2018-11-20 Elwha Llc Appurtenances including sensors for reporting information regarding wound dressings
US10158928B2 (en) 2012-04-12 2018-12-18 Elwha Llc Appurtenances for reporting information regarding wound dressings
US10226212B2 (en) 2012-04-12 2019-03-12 Elwha Llc Appurtenances to cavity wound dressings
EP2836269B1 (en) * 2012-04-12 2019-08-14 Elwha LLC Method and system for monitoring a wound dressings
US12133790B2 (en) 2013-10-21 2024-11-05 Smith & Nephew, Inc. Negative pressure wound closure device

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DE602007004546D1 (de) 2006-09-28 2010-03-18 Tyco Healthcare Tragbares Wundtherapiesystem
MX2010005553A (es) 2007-11-21 2010-06-01 Smith & Nephew Aposito para heridas.
WO2009111655A2 (en) 2008-03-05 2009-09-11 Kcl Licensing Inc. Dressing and method for applying reduced pressure to and collecting and storing fluid from a tissue site
US8814842B2 (en) 2010-03-16 2014-08-26 Kci Licensing, Inc. Delivery-and-fluid-storage bridges for use with reduced-pressure systems
US8795257B2 (en) * 2010-07-19 2014-08-05 Kci Licensing, Inc. Systems and methods for electrically detecting the presence of exudate in dressings
GB201015656D0 (en) 2010-09-20 2010-10-27 Smith & Nephew Pressure control apparatus
JP2014500538A (ja) 2010-10-12 2014-01-09 タニス，ケヴィン ジェイ． 医療機器
US9084845B2 (en) 2011-11-02 2015-07-21 Smith & Nephew Plc Reduced pressure therapy apparatuses and methods of using same
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US8579872B2 (en) 2013-11-12

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