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TWI357341B - A breathable interface system for topical reduced - Google Patents

A breathable interface system for topical reduced Download PDF

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Publication number
TWI357341B
TWI357341B TW097104968A TW97104968A TWI357341B TW I357341 B TWI357341 B TW I357341B TW 097104968 A TW097104968 A TW 097104968A TW 97104968 A TW97104968 A TW 97104968A TW I357341 B TWI357341 B TW I357341B
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TW
Taiwan
Prior art keywords
pad portion
applicator
fabric layer
interface system
respirable
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TW097104968A
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English (en)
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TW200843804A (en
Inventor
Timothy Mark Robinson
Christopher Brian Locke
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Kci Licensing Inc
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/05Bandages 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]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/01Non-adhesive bandages or dressings
    • A61F13/01008Non-adhesive bandages or dressings characterised by the material
    • A61F13/01017Non-adhesive bandages or dressings characterised by the material synthetic, e.g. polymer based
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/01Non-adhesive bandages or dressings
    • A61F13/01021Non-adhesive bandages or dressings characterised by the structure of the dressing
    • A61F13/01029Non-adhesive bandages or dressings characterised by the structure of the dressing made of multiple layers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/01Non-adhesive bandages or dressings
    • A61F13/01034Non-adhesive bandages or dressings characterised by a property
    • A61F13/01046Air-vapor permeability
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/02Adhesive bandages or dressings
    • A61F13/0203Adhesive bandages or dressings with fluid retention members
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/70Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71Suction drainage systems
    • A61M1/74Suction control
    • A61M1/75Intermittent or pulsating suction
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/90Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
    • A61M1/91Suction aspects of the dressing
    • A61M1/912Connectors between dressing and drainage tube
    • A61M1/913Connectors between dressing and drainage tube having a bridging element for transferring the reduced pressure from the connector to the dressing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/90Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
    • A61M1/91Suction aspects of the dressing
    • A61M1/915Constructional details of the pressure distribution manifold

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Materials For Medical Uses (AREA)
  • Surgical Instruments (AREA)
  • Laminated Bodies (AREA)

Description

1357341 九、發明說明: 【發明所屬之技術領域】 本申請案大體而言係關於用於向開放性創傷及其他組織 部位提供減壓組織治療之系統及方法。更特定言之,本申 請案係關於用於局部減壓之可呼吸介面系統。 本申清案主張2007年2月9曰申請之美國臨時申請案第 60/900,463號之權利,該案以引用之方式併入本文中。 【先前技術】 床研究及實踐已展示,在接近組織部位處提供減壓強 化且加速在組織部位之新組織之生長。此現象已得到眾多 應用,但減壓在治療創傷及組織部位方面之應用已尤其成 功。此治療(在醫學界中常常被稱作"負壓創傷治療"、,,減 壓療法,,或,'真空療法”)提供許多效益,包括癒合更快及肉 芽組織之形成增加。 減壓組織治療近來已由Kinetic c〇ncepts,inc.(San
Antonio, Texas)藉由其市售VAC減壓組織治療系統產品系 列而普及。一般而言,該等減壓組織治療系統包含基於襯 墊之敷裹,該敷裹被施加至組織且有時被稱作"組織介面" 或”創傷介面··。 然而,當前敷裹具有若干缺陷。其難以應用於小創傷, 且經常導致創傷周緣之浸潰。傳統上,敷裹相當笨重,從 而限制許多患者活動。簡單地坐在或滾至敷裹上可引起顯 著患者不適。此外,此等動作可壓縮敷裹且妨礙將減壓施 加至在組織部位之歧管。 129023.doc 1357341 【發明内容】 藉由用於局部減壓之改良之可呼吸介面系統來解決此等 習知敷裹所呈現之問題。可呼吸介面系統之—說明性實施 例包括全部位於蓋層與施加器之間的第一襯墊部分、第二 襯墊部分及織物層。另夕卜敷裹可包括一介面組件以利於 管道至敷裹之流體連接。或者,管道可與敷裹直接接觸而 置放或直接插入至敷褒中以龄译、、士 . 双表甲以輸送減壓,減壓接著經由織物 層及襯墊部分而分配至組織部位。
/另-說明性實施例中’可呼吸介面系統可包括一具有 高水氣透過率之層,該層i速移除來自」且織部位之周緣之 水分且將周緣與自組織部位所移除之參4液隔離。因此, 此等說明性實施例在減壓組織治療期間實質上消除或減少 組織部位周圍、尤其小組織部位周圍之浸潰。 此等及其他說明性實施例亦可包括一提:在較高壓縮負 載下較不易於崩潰之額外流體路徑之織物層,藉此改良減
壓組織治療在活動患者中之效I此等額外㈣路徑亦& 少用以向組織部位分配減壓之時間’此增強間歇減壓組織 治療之效力。 一說明性實施例包括一可呼吸介面系統,其包括:—施 加器,其具有-穿過其之孔隙;—蓋層,其實質上覆蓋該 施加器,一第一襯墊部分,其位於該蓋層與該施加器之 間;-第二襯墊部分’其實質上覆蓋該孔隙且位於該蓋層 與該施加器之間,該第二襯墊部分實質上與該第一襯墊部 分相鄰;及一織物層,其至少部分地位於該第二襯墊部分 129023.doc 1357341 與該蓋層之間;及一減壓管道,其與該第一襯墊部分及該 織物層中之一者連通以便向該孔隙提供減壓;其中該蓋層 緊固至該施加器,從而在一實質上密封之環境中覆蓋該第 一概塾部分、該第二襯墊部分及該織物層。 另一說明性實施例包括一可呼吸介面系統,其包括:一 施加器,其具有一穿過其之孔隙;一蓋層,其實質上覆蓋 該施加器第-襯墊部分,其位於該蓋層與該施加器之 間;一第二襯墊部分,其實質上覆蓋該孔隙且位於該蓋層 與該施加器之間,該第二襯墊部分實質上與該第一襯墊部 分相鄰,及一織物層,其至少部分地位於該第一襯墊部分 及該第二襯墊部分與該施加器之間;及一減壓管道,其與 β亥第襯墊部分及該織物層中之一者連通以便向該孔隙提 供減t,其中6玄蓋層緊固至該施加器,從而在一實質上密 封之%忧中覆蓋該第一襯墊部分、該第二襯墊部分及該織 物層。 又一說明性實施例包括一可呼吸介面系統,其包括··一 施加器’纟具有一穿過其之孔隙;一蓋層,其實質上覆蓋 該施加器;一第一襯墊部分’其位於該蓋層與該施加器之 間;一第二襯墊部分,其實質上覆蓋該孔隙且位於該蓋層 與β玄她加器之間,s亥第二襯墊部分實質上與該第一襯墊部 分相鄰;及一織物層,其至少部分地位於該第-襯墊部分 及該第二襯墊部分與該蓋層之間;及一減壓管道,其與該 第:襯塾部分及該織物層中之一者連通以便向該孔隙提供 減壓’其中5亥蓋層緊固至該施加器,從而在一實質上密封 129023.doc 1357341 之環境中覆蓋該第一襯墊部分、該第二襯墊部分及該織物 層0 再一說明性實施例包括一用於對組織部位應用減壓組織 治療之減壓組織 >台療裝置’該裝置包括:一施加器,其具 有一穿過其之孔隙,一蓋層,其實質上覆蓋該施加器;一 第一襯墊部分,其位於該蓋層與該施加器之間;一第二襯 墊邛/7,其實質上覆蓋該孔隙且位於該蓋層與該施加器之
間,該第二襯墊部分實質上與該第一襯墊部分相鄰;一織 物層,其至少部分地位於該第二襯墊部分與該蓋層之間, 其中該蓋層緊固至該施加器,從而在一實質上密封之環境 中覆蓋該第-襯墊部分、該第二襯墊部分及該織物層;一 減壓管道,其與該第一襯墊部分及該織物層中之一者連通 以便向該孔隙提供減壓;及__減壓源,其與該減壓管道連 通以輸送減壓至組織部位。
參看以下圖式及實施方式,說明性實施例之其他目標、 特徵及優勢將變得顯而易見。 π 【實施方式】 在較佳實施例之以下詳細描述中,參看形成本文之一部 分且藉由說明來展示可實踐本發明之蚊較佳實施例的隨 附圖式。十分詳細地描述 Π㈣M H ^使得熟f此項技術 令货月且應理解可利用其他實施例且 惊離本發明之精神哎籁择 “· m可的情況下進行邏輯、結構、機 械、電性及化學變化。A τ、故立2 再機 者能夠實踐本發明所必需 員技術 而之細即,描述可省去熟習 129023.doc ^y/όΑΐ 術者已知之特定資訊。因此,以下詳細描述不應被視為具 限制思義’且本發明之範疇僅由隨附申請專利範圍來界 定。 如本文中所使用’術語"減壓"通常係指小於在經受治療 之組織部位之環境壓力的壓力。在多數狀況下,此減壓將 ;a者所處位置之大氣壓。或者,減壓可小於在組織部 位之組織之流體靜壓。雖然術語',真空"及”負壓"可用以描 述施加至組織部位之壓力,但施加至組織部位之實際壓力 可顯著小於正常情況下與完全真空相關聯之壓力。減壓可 最初在組織部位之區域中之管中產生流體流動。隨著組織 位周圍之流體靜壓接近所要減壓,流動可減弱,且因此 減壓得以維持。除非另有指示,否則本文中所描述之壓力 值為銀壓。 如本文中所使用,術g吾"組織部位"係指位於任何組織上 或内部之創傷或缺陷,包括(但不限於)骨組織、脂肪組 織、肌肉組織、神經組織、皮膚組織、血管組織'結締組 織、軟骨、腱或韌帶。術語”組織部位”可另外指代未必受 傷或有缺陷而為希望添加額外組織或促進額外組織生長之 區域的任何組織區域。舉例而言,減壓組織治療可用於特 定組織區域中以生長可被收集並移植至另一組織位置之額 外組織。 參看圖1至圖3,展示可呼吸介面系統1〇〇之一說明性實 施例。在此實施例中,可呼吸介面系統丨〇〇包括全部位於 蓋層108與施加斋110之間的第一襯塾部分、第二襯塾 129023.doc -10· 1357341 部分104及織物層106。在一實例中,可呼吸介面系統1 〇〇 通常具有一實質上與組織部位相鄰而定位或位於組織部位 之上的末端116及位於末端116之遠側的另一末端114。較 靠近末端114,織物層106可至少部分地定位於或位於施加 器110與第一襯墊部分102之間。較靠近末端116,織物層 106可至少部分地定位於或位於第二襯塾部分與蓋層 108之間。織物層106在第二襯墊部分1〇4與蓋層ι〇8之間沿 著第二襯墊部分104之頂部表面124之一部分延伸。一旦織 物層106到達第二襯墊部分104之側面120,其便在第二襯 墊部分104之側面120與第一襯墊部分1〇2之側面122之間的 區域118附近轉移以在第一襯塾部分1 〇2與施加器11 〇之間 沿著第一襯墊部分102之底部表面126之一部分延伸。 圖2為為了達成說明之目的而不具有置放於第一襯墊部 分102、第二襯墊部分104及織物層1〇6之上之蓋層〗08的可 呼吸介面系統200的說明性實施例。可看見織物層1 〇6在第 二襯墊部分104之頂部表面124之上及在第一襯墊部分ι〇2 之底部表面126之下延伸。圖3為包括孔隙302之施加器11〇 之說明性實施例,孔隙302實質上在施加器110之末端n6 附近延伸穿過施加器110。孔隙302較佳位於組織部位附近 以使得流體能夠自組織部位流至本文中所描述之可呼吸介 面系統之第一襯墊部分1 〇 2、第二襯墊部分1 〇 4、織物層 106及減壓管道112 » 在一說明性實施例中,可將任何水凝膠或黏結劑塗覆至 孔隙302及施加器11 〇以達成與組織部位密封或接觸之目 129023.doc 1357341 的。第二襯墊部分104通常如圖4及圖6中所示定位於蓋層 108與施加器11 〇之間以實質上覆蓋孔隙3〇2。在圖5中,孔 隙302可實質上由如本文中所描述之織物層1 〇6覆蓋。孔隙 3 02之尺寸可改變以容納較大創傷,但在一實施例中,約 1 0至約20 mm之尺寸有利於小創傷。 參看圖4,展示可呼吸介面系統1 〇〇之一說明性實施例。 孔隙302被展示為穿過施加器11〇而安置。另外,可啤吸介 面系統100可進一步包括利於第一襯墊部分1〇2及/或織物 層106與減壓管道112之間的流體流通的介面4〇2。參看圖 5,展示可呼吸介面系統5〇〇之另一說明性實施例。可呼吸 介面系統500可包括第一襯墊部分1〇2、第二襯墊部分1〇4 及織物層106在蓋層1〇8與施加器11〇之間的不同配置。在 此說明性實施例中’織物層1 〇6位於第一襯塾部分1 〇2之底 部表面126及第二襯墊部分1〇4之底部表面128與施加器11〇 之頂部表面132之間。第一襯墊部分1〇2及第二襯墊部分 1 〇4位於或定位於織物層ι〇6之上。在此說明性實施例中, 織物層106實質上覆蓋孔隙3 〇2。參看圖6,展示可呼吸介 面系統600之又一說明性實施例。在此說明性實施例中, 織物層106位於第二襯墊部分1〇4之頂部表面124及第—襯 塾部分102之頂部表面13〇與蓋層ι〇8之底部表面136之間。 在可呼吸介面系統1〇〇、2〇〇、500及600中之任一者中, 減壓管道112可經定位以與第一襯墊部分1〇2及/或織物層 106直接接觸。可藉由在可呼吸介面系統1〇〇之末端114附 近將減壓管道112直接插入至第一襯墊部分102或織物層 *29023.doc -12- 1357341 106中之任一者中來置放減壓管道112以使其與第一襯墊部 分102或織物層106直接接觸。在另一說明性實施例中,可 呼吸介面系統100、200、5 00及600可進一步包括如圖4中 所示之介面402以利於第一襯塾部分1〇2及/或織物層與 減壓管道112之間的流體流通及流動。在又一說明性實施 例中,減壓管道112可不與第一襯墊部分102及/或織物層 106直接接觸,但可以其他方式與第一襯塾部分及/或 織物層106流體流通。
在一說明性實施例中,第二襯墊部分i 〇4之側面i 2〇在第 二襯墊部分104之頂部表面124與底部表面128之間延伸。 第二襯墊部分104之底部表面128可具有可實質上覆蓋施加 器110之末端116之頂部表面132之整體或一部分的表面區
域。另外,第一襯墊部分102之側面122在第一襯墊部分 1〇2之頂部表面130與底部表面126之間延伸。第一襯墊部 分1〇2之底部表面126可具有可實質上覆蓋施加器ιι〇之頂 部表面m之末端114之整體或—部分的表面區域。 施加器11G可為充分地向組織部位提供如本文中所描述 之有效覆蓋及功能性所需之任何尺寸。在—態樣中,施加 器⑽包括較佳可接觸植織部位之底部表面13〇施加器 11〇β之末端U6可具有形狀不㈣施加itm之末端114的表 面區域。舉例而言,如圖 一“ y 如圖1中所不,末端116之表面區域展 :*上圓形形狀之表面區域。冑管如此,施加器110之 k 116之形狀可為任何所要形峨稱、不對稱或 提供如本文中所描述 八) 對組織部位之覆蓋及功能性。在一 129023.doc 1357341 說明性實施例中,施加器n 0之末端U4可具有近似矩形形 狀之表面區域;然而,施加器110之末端114亦可為任何所 要升/狀(對稱、不對稱或其他)以提供如本文中所描述之覆 蓋及功能性。 較佳地’蓋層108之底部表面136覆蓋第一襯墊部分 102、織物層106及第二襯墊部分ι〇4且將其緊固至施加器 110之頂部表面132。在一態樣中,施加器110及蓋層1〇8實 質上在其各別形狀之周邊或周緣周圍密封在一起。較佳 地’施加器110及蓋層108將組織部位與其周圍環境隔離且 如本文中所描述之在施加減壓時在組織部位維持減麼。可 用諸如丙烯酸黏著劑或水凝膠之任何合適黏結劑將施加器 110緊固至蓋層108。另外,舉例而言,可藉由其他通常已 知之手段(諸如,黏結、黏著劑、熔接、固定及燒結)而使 施加器110接合至蓋層108 ^通常,可將水凝膠或其他組織 親和性黏結劑塗覆至組織側面或施加器11 0之底部表面 13 4 ’接著將其置放於組織部位中或與組織部位之周邊接 觸以將敷裹緊固至組織部位。 在一說明性實施例中,第一襯塾部分1 〇2及第二襯塾部 分1 可為此項技術中已知之適用於減壓組織治療的材 料’其尺寸及形狀可改變以容納如本文中所描述之各種尺 寸及形狀之組織部位。較佳地’第一襯墊部分1 〇2及第二 襯墊部分104包括複數個流動通道或路徑以利於分配減壓 或流體至組織部位或自組織部位分配減壓或流體。在一說 明性實施例中,第一襯墊部分1〇2及第二襯墊部分ι〇4為包 129023.doc 14- 1357341 括充當流動通道之互連小孔或孔隙的多孔發泡體。除上述 以外’第一襯墊部分102及第二襯墊部分104可為諸如由一 定範圍之聚合物形成之開孔網狀發泡體的材料,包括(但 不限於)聚胺基曱酸酯、聚稀烴、乙酸乙烯酯、聚乙稀醇 及其共聚物。另外,第一襯墊部分102及第二襯墊部分1〇4 可為編織或非編織材料,包括三維織物結構。該等襯墊亦 可由燒結聚合物(包括諸如燒結聚烯烴之材料)、乙烯乙酸 乙烯酯及含氟聚合物製成。第—襯墊部分1〇2及第二襯墊 部分104亦可為任何其他類型之開孔網狀發泡體,諸如, 由 Kinetic Concepts,Inc.(San Antonio, Texas)所製造之 GramiFoam®及WhitefoamTM。若使用開孔發泡體,則孔隙 率可不同,但較佳為約4〇〇至6〇〇微米。或者,可使用適於 特疋生物應用之紗布或任何其他材料來構造第一襯墊部分 102及第二襯墊部分丨〇4。在一特定說明性實施例中,第一 襯墊部分102及第二襯墊部分〗〇4可構造為單一整體襯墊。 在另一說明性實施例中,第一襯墊部分1〇2及第二襯墊部 分104可為多組件或多層襯墊部分。雖然可使用任何厚 度,但較佳地,第一襯墊部分1〇2及第二襯墊部分1〇4之厚 度為約1 mm至約5G mm,且在—實施中厚度為約5麵至約 20 mm。 在一說明性實施例中,織物層1〇6可為此項技術中已知 之編織或非編織織物材料,其尺寸及形狀可改變以容納如 本文中所描述之各種尺寸及形狀之組織部位。其可由在曝 露於流體下時維持結構完整性之任何纖维材料來構造,諸 129023.doc 13^/341
聚胺t烯煙、耐論、聚醋、以聚&基Y ^ _塗# 之聚醯胺任何聚合筛網、非編織(氣流成網⑽Μ#)溶 喷聚口物或可撓性燒結聚合物。織物層106亦可為以黏著 劑或水凝膠覆蓋之織物以利於點結至組織部位,其中織物 詹106延伸超出施加器} 1〇。材料可經編織在一起以形成具 適田尺寸之層或其可為任何類型之具適當尺寸之開孔筛 ,同構如圖1中所說明,織物層⑽亦可摺疊且包括缝合 140以提供額外通道及結構支撐。可縱向地沿著中間向下 (如圖2中所描繪)、圍繞邊緣或其任何組合來縫合經摺疊之 織物層料縫合之替代方案,可用丙稀酸黏著劑或任何 其他合適黏結劑來緊固經摺疊之織物層。織㈣1()6亦可 包括藉由任何已知手段接合在—起之若干重疊層。雖然可 使用任何厚度’但較佳地’織物層⑽之厚度為^醒至 約50 mm,且更佳為約5 mm至約2〇瓜爪。 蓋層108可為具有足以排除組織浸潰之高水氣透過率 ("MTVR”)之可撓性材料,MTVR通常大於__一叮。 在一態樣中,塑膠及熱塑性塑膠為用於蓋層1〇8之合適材 料之實例。且如同蓋層108’施加器11〇通常由具有足以排 除組織部位浸潰之高MTVR2任何可撓性材料構造,諸 如,塑膠及熱塑性塑膠。 減麼管道U2可表示可藉以運载氣體、液體、凝膠或其 他流體之任何管道管、管線或路徑,且可具有一個以上内 腔。雖然減壓管道U2可為非可撓性的,但其較佳具充足 可撓性以易於使用且使患者舒適。減塵管道經組態以連接 129023.doc •16- 1357341 至減壓源以提供減壓之輸送。 在一說明性實施例中’可呼吸介面系統i 〇〇、200、5〇〇 及600可為用於低嚴重度、小組織部位之重量輕、低輪廓 介面系統,但該等原理可易於由一般熟習此項技術者擴展 至更大、更廣泛之組織部位,以及眾多其他類型之組織治 療0 再參看圖1至圖6,孔隙3 02置放於組織部位之上且減壓
源704經由減壓管道112將減壓輸送至可呼吸介面系統 100、200、500及600。孔隙302可為單一孔隙(如所展示)或 提供減壓之分配及組織部位與第—襯墊部分1〇2、第二襯 墊部分104及織物層1〇6之間的流體傳輸所需的任何數目或 複數個孔、開口、孔隙、狹縫或其類似物。#以上所描 述,第一襯墊部分102及第二襯墊部分1〇4可包括容許將減 壓分配遍及可呼吸介面系統1〇〇、2〇〇、5〇〇及6〇〇且容許經 由孔隙302而自組織部位移除流體之路徑或通道。織物層
106之編織或篩網結構提供在可被施加至可呼吸介面系統 ⑽、細、500及綱之較高壓縮負载下較不易於崩潰之額 外流體路徑,諸如,當患者在床上滚動或以其他方式移動 而引起敷裹之I縮時所遭遇之彼等路徑。額外流體路徑亦 減少向組織部位分配減|所需之時間。如以下詳述,測試 ^展示1如同可呼吸介面系統i⑽、_、5⑽及_之組 態所組態之敷裹,減壓源之壓力變化更加快速地傳達至組 織部位。 參看圖7 展示併入有可呼吸介面系 統之新穎特徵之減 129023.doc 17 1357341 壓組織治療系統700之一說明性實施例。減壓組織治療系 統7〇〇包括類似於本文中所描述之另一可呼吸介面系統之 可呼吸介面系統7 〇 1 ’可呼吸介面系統7 〇 1經施加至組織部 位702以供治療。可呼吸介面系統100經由減壓管道112而 流體連接至減壓源704。在特定實施例中,減壓組織治療 系統700亦可包括一用於收集自組織部位7〇2所排出之流體 及其他非氣態滲出液的罐706。 參看圖8,展示比較習知敷裹之壓力傳輸測試之結果與 實質上如以上所描述之可呼吸介面系統1〇〇之壓力傳輸測 試之結果的曲線圖。在該等測試中,將減壓施加至每一可 呼吸介面系統1〇〇且經由每一可呼吸介面系統1〇〇泵送水, 同時使可呼吸介面系統1〇〇經受一定範圍之壓縮力。在壓 縮力之兩側進行壓力量測以判定每一試樣之效能。如圖8 中所示,結果證實,與習知敷裹相比,如以上所描述之可 呼吸介面系統100允許在更大程度上越過壓縮負載之壓力 傳遞。 將水之流動設定為大約20 ml/hr且對習知敷裹及可呼吸 介面系統100施加大約〇 N至約500-930 N之壓縮力。y轴 802表示在泵或敷裹/可呼吸介面系統1〇〇處所量測之減壓 或真空之量。X軸804表示自測試開始所消逝之持續時間。 線806表示在用於習知敷裹之泵處之減壓之量值,且線8〇8 表示在敷裹之相對側之減壓之量值。如圖8中可見,對習 知敷裹施加大約900 N之壓縮力,且如線8〇8所示,在敷裹 處可量測減壓之量大約為〇 mm Hg ^在事件8 14開始時,釋 129023.doc -18- 13^7341 '縮力目此在敷裹處可量測減壓之量增加至大約⑶ _ H/。在事件814結切,以⑵n之量值施加壓縮力, 里則減壓之里降回至大約〇麵。在此相同事件期 1 士線806所7F ’敷裹之栗側之可量測減壓保持在大約 125 mm Hg。此展示,關於在塵縮力下之習知敷裹,穿經 敷裹之減壓之量大約為〇酿Hg。類似地,在事件以6、 818及820處’釋放壓縮力且以大約25〇 _新施加。圖8中
可見’接著出現基本上相同之結果。亦即,—旦施加壓縮 力牙經省知敷裹之減壓之可量測量便降至〇 mm Hg或近 似 0 mm Hg。
相反地,線810表示在用於可呼吸介面系統1〇〇之泵處之 減壓之里值且線812表示在敷裹之相對側之減壓之量值。 如以上所描述’對習知敷裹施加大約9 〇 〇 N之壓縮力,且 如線812所示,在敷裹處可量測減壓之量大約為5〇 mm Hg。在事件814開始時,釋放壓縮力,因此在敷裹處可量 測減壓之量增加至大約120 mm Hg。在事件814結束時,以 5 2 5 N之大小施加壓縮力,且可量測減壓之量降至大約$ 〇 mm Hg。在此相同事件期間,如線81 〇所示,敷裹之栗側 之可量測減壓保持在大約12 5 mm Hg。此展示,關於在壓 縮力下之可呼吸介面系統100,減麼之量仍顯著。類似 地’在事件816、818及820處,釋放壓縮力且以大約250 N 重新施加。圖8中可見,接著出現甚至更佳之結果。亦 即,一旦施加大約2 5 0 N之壓縮力,穿經習知敷裹之減壓 之可量測量便增加至介於大約70 mm Hg與1〇〇 mm Hg之 129023.doc -19- 1357341 間。 參看圖9 ’展不比較當在乾燥條件下經受間歇施加減壓 時習知敷裹之回應時間與實f上如以上所描述之可呼吸介 •面系統⑽之回應時間的另一曲線圖。圖9中所說明之回應 ._實’當經受此等條件時,與以上所描述之可呼吸; 面系統100相比,習知敷裹回應更緩慢。 -· 在壓縮力之兩側進行壓力量測以判定與以上所描述之可 呼吸介面系統100相比之習知敷裹之回應時間。如圖9中所 示,結果證實,如以上所描述之可呼吸介面系統100使得 對間歇施加及釋放減壓之回應時間更快。乂軸902表示在泵 或敷裹/可呼吸介面系統100處所量測之減壓或真空之量。 X軸904表不自測試開始所消逝之持續時間。線表示在 用於習知敷裹之泵處所量測之減壓之量值,且線9〇8表示 在敷裹之相對側之減壓之量值。線91〇表示在用於可呼吸 介面系統1〇〇之泵處所量測之減壓之量值,且線912表示在 鲁可呼吸介面系統1〇〇之相對側所量測之減壓之量值。 如圖9中可見,減壓在大約0mm 1^與125 mm Hg之間斷 ♦ 斷續續地循環。線906及線910彼此相當緊密地匹配,從而 * 展不在減壓循環期間在敷裹/可呼吸介面系統100之泵側之 _ 測試期間,可量測減壓存在極小差異。在敷裹之另一側, 線908展示在習知敷裹處達成所施加減壓之滯後時間。因 為線908在其形狀上具有表示在其達成完全減壓之前減壓 之逐步構造的弧線,所以可見到此滯後時間。相反地,線 912展示當減壓斷斷續續地循環時之尖銳轉變,因此表示 129023.doc -20- 丄妁7341 與習知敷裹相比,可呼吸介面系統100提供改良之流體傳 輸及對減壓之回應。 自上文應顯而易見’已提供具有顯著優勢之發明。雖然 少許形式展示本發明,但本發明並不僅限於此,且在
不悖離其精神t ρτ P 申之匱况下易於得到各種變化及修改。 【圖式簡單說明】 圖1為根據本發明之—%、aB ω " 的分解圖; 月之說明性實施例之可呼吸介面系統 八為根據本發明之—說明性實施例之不具有蓋層之可 呼吸介面系統的透視圖; 八圖3為根據本發明之一說明性實施例之圖…之可呼吸 "面系統之施加器的仰視圖; 圖4為根據本發明之一玲日日批鲁政/丨 ” 說明性實施例之可呼吸介面系統 /口考圖2之線4-4的橫截面圖; 圖5為根據本發明之另一爷明冲眚 說月性實鉍例之可呼吸介面系 統的k截面圖; 圖6為根據本發明之另一說明枓眚 說月挫實施例之可呼吸介面系 ,·先的板截面圖; 圖7為根據本發明一 說明性實靶例之具有可呼吸介面 糸統之減壓組織治療系統的示意圖; ^為比較習知敷裹之麗力傳輸實驗之結果與根據本發 =說明性實施例之可啤吸介面系統之塵力傳輸實驗之 L果的曲線圖;及 圖9為比較當在乾燥條件下柄香門护上 卜,,、工又間歇細加減壓時習知敷 I29023.doc -21 · 1357341 裹之回應時間與根據本發明之一說明性實施例之可呼吸介 面系統之回應時間的曲線圖。 【主要元件符號說明】
4-4 線 100 可呼吸介面系統 102 第一襯墊部分 104 第二襯墊部分 106 織物層 108 蓋層 110 施加器 112 減壓管道 114 末端 116 末端 118 區域 120 側面 122 側面 124 頂部表面 126 底部表面 128 底部表面 130 頂部表面 132 頂部表面 134 底部表面 136 底部表面 140 縫合 200 可呼吸介面系統 129023.doc -22· 1357341
302 孔隙 402 介面 500 可呼吸介面系統 600 可呼吸介面系統 700 減壓組織治療系統 701 可呼吸介面系統 702 組織部位 704 減壓源 706 罐 802 y軸 804 X轴 806 線 808 線 810 線 812 線 814 事件 816 事件 818 事件 820 事件 902 y軸 904 X軸 906 線 908 線 910 線 912 線 129023.doc -23-

Claims (1)

13.573.41 . 第097l〇4968號專利申請案 .,i 中文申請專利範圍替換本(100年9月)
十、申請專利範圍: 1 · 一種可呼吸介面系統,其包含: 、 一施加器,其具有一穿過其之孔隙; .· 一蓋層,其實質上覆蓋該施加器; 第一襯墊部分,其位於該蓋層與該施加器之間; 一第二襯墊部分,其實質上覆蓋該孔隙且位於該蓋層 • 與該施加器之間,該第二襯墊部分實質上與該第一襯墊 j 部分相鄰; 一織物層,其至少部分地位於該第二襯墊部分與該蓋 層之間,織物層包括以纖維材料形成之一編織或非編織 織物;及 一減壓管道,其與該第一襯墊部分及該織物層中之一 者連通以便向該孔隙提供減壓; 其中該蓋層緊固至該施加器,在一實質上密封之環境 中覆蓋該第一襯墊部分、該第二襯墊部分及該織物層。 % 2.如請求項1之可呼吸介面系統,其中該織物層至少部分 地位於該第一襯墊部分與該施加器之間。 ’ 3·如請求項1之可呼吸介面系統,其進一步包含一位於該 減壓官道與該第一襯墊部分及該織物層中之至少一者之 間的介面。 4.如清求項丨之可呼吸介面系統,其中該第一襯墊部分及 該第二襯墊部分係選自由開孔網狀發泡體、燒結聚合 物、乙烯乙酸乙烯酯、含氟聚合物、聚胺基甲酸酯、聚 烯烴、乙酸乙烯酯、聚乙烯醇及其共聚物組成之群。 129023-1000926.doc 5. 如請求項以…〜·. Lij嘛替換頁 編織物、非編織織物、聚敏:该域物層係選自由. 塗佈之聚酿胺、聚合韩網、非編織二:基了 燒結聚合物組成之群。 ^聚合物及可換性 6. 如請求項1之可呼吸介面系統,其中該第一襯塾部分、 該第一襯墊部分及該織物 厚产。 八’约5 mm至約20 mm之 7. 如請求項1之可呼吸介面系統, 在一起之若干重疊層。 其中該織物層包括接合 8. 一種可呼吸介面系統,其包含: ,一施加器’其具有一穿過其之孔隙; 蓋層,其貫質上覆蓋該施加器; 第一襯墊部分’其位於該蓋層與該施加器之間; 一第二襯塾部分,其實質上覆蓋該孔隙且位於該蓋層 與該施加器之間’該第二襯墊部分實質上與該第一襯墊 部分相鄰; 一織物層’其至少部分地位於該第一襯墊部分及該施 加益之間,該織物層並至少部分地位於該第二襯墊部分 與該施加器之間;及 一減壓管道,其與該第一襯墊部分及該織物層中之一 者連通以便向該孔隙提供減壓; 其中該蓋層緊固至該施加器,在一實質上密封之環境 中覆蓋該第一襯塾部分、該第二襯塾部分及該織物層。 9·如請求項8之可呼吸介面系統,其進一步包含一位於該 129023-100Q926.doc -2- 1357341
減壓官道與該第一襯墊部分及該織物層中之至少一者之 間的介面。 10, 如凊求項8之可呼吸介面系統,其中.該第一襯墊部分及 ~第一觀塾部分係選自由開孔網狀發泡體、 GramiF0am®、Whitef_TM、燒結聚合物、乙烯乙酸乙 稀曰^氟#合物、聚胺基甲酸酯、聚烯烴、乙酸乙烯 酯、聚乙烯醇及.其共聚物組成之群。 11. 如明求項8之可呼吸介面系統,其中該織物層係選自由 :汽物非編織織物、聚酿胺、耐論、以聚胺基甲酸酯 塗佈之聚醯胺、聚合篩網、非編織炫喷聚合物及可撓性 燒結聚合物組成之群。 12_如請求項8之可呼吸介面系統,其中該第一襯墊部分、 該第二襯墊部分及該織物層具有一約5 mm至約20 mm之 厚度。 i 13. 如請求項8之可呼吸介面系統,其中該織物層包括接合 在一起之若干重疊層。 14. 一種可呼吸介面系統,其包含: 一轭加器,其具有—穿過其之孔隙; 一蓋層,其實質上覆蓋該施加器; 一第一襯墊部分,其位於該蓋層與該施加器之間; 第一襯塾部分’ |冑質上覆蓋該孔隙且位於該蓋層 與該施加器之間’該第二襯塾部分實質上與該第一概墊 部分相鄰; 一織物層,其至少#分地位於該第一襯墊部分及該蓋 J29023-1000926.doc 1357341:
層之間’該織物層並至少部分地位於該第二襯塾部分與 該蓋層之間;及 一減壓管道,其與該第一襯墊部分及該織物層中之一 .者連通以便向該孔隙提供減壓; 其中該蓋層緊固至該施加器,在一實質上密封之環境. 中覆蓋該第一襯墊部分、該第二襯墊部分及該織物層。 15.如請求項14之可呼吸介面系統,其進一步包含一位於該
減壓管道與該第一襯墊部分及該織物層中之至少一者之 間的介面。 其中該第一襯墊部分及 開孔網狀發泡體、 16.如請求項14之可呼吸介面系統, 該第二襯墊部分係選自由
GranuFoam®、Whitefoamm、燒結聚合物、乙烯乙酸乙 烯醋、含I聚合物、聚胺基甲酸§旨、聚稀煙、乙酸乙稀 醋、聚乙稀醇及其共聚物組成之群。 1 7.如請求項14之可呼吸介面系統,其中該織物層係選自由 編織物、非編織織物 塗佈之聚醯胺、聚合篩網 聚酿胺、耐綸、以聚胺基曱酸酯 18. 燒結聚合物組成之群。 如請求項14之可呼吸介面系統, s玄第二襯墊部分及該織物層具有 厚度。 非編織熔噴聚合物及可撓性 0 其中該第一襯塾部分、 —約5 mm至約20 mm之 19·如5月求項14之可呼吸介兩糸站 及面糸、,充,其中該織物層包括接合 在一起之若干重疊層。 種用於董十組織部位應用減壓組織治療之減厘組織治 129023-1000926.doc -4- 21. 22. 23. :00. 9. 2 6 ^ 年月曰修(更)正替換頁| 療裝置,其包含: 一施加器,其具有一穿過其之孔隙; 一蓋層,其實質上覆蓋該施加器; 一第一襯墊部分,其位於該蓋層與該施加器之間; 一第二襯墊部分’其實質上覆蓋該孔隙且位於該蓋層 與該施加器之間’該第二襯墊部分實質上與該第一襯墊 部分相鄰; 一織物層’其至少部分地位於該第二襯墊部分與該蓋 層之間,織物層包括以纖維材料形成之一編織或非編織 織物’其中該蓋層緊固至該施加器,在一實質上密封之 環境中覆蓋該第一襯塾部分、該第二襯塾部分及該織物 層; 一減壓官道,其與該第一襯墊部分及該織物層中之一 者連通以便向該孔隙提供減壓;及 一減壓源,其與該減壓管道連通以輸送減壓至該組織 部位。 如請求項20之減壓組織治療裝置,其中該織物層至少部 为地位於該第一襯塾部分與該施加器之間。 如請求項20之減壓組織治療裝置,其中該第一襯墊部分 及該第二襯墊部分係選自由開孔網狀發泡體、 GranuFoam®、WhitefoamTM、燒結聚合物、乙烯乙酸乙 烯酯、含氟聚合物、聚胺基甲酸酯、聚烯烴、乙酸乙烯 酯、聚乙烯醇及其共聚物組成之群。 如請求項20之減壓組織治㈣置,其巾該織物層係選自 129023-1000926.doc 1357341 f%9、2 6曰修(更)正替換頁 由編織物、非編織織物、聚醯胺、耐綸、以聚胺基曱酸 酯塗佈之聚醯胺、聚合篩網、非編織熔噴聚合物及可撓 性燒結聚合物組成之群。 24. 如請求項20之減壓組織治療裝置,其中該第一襯墊部 分、該第二襯墊部分及該織物層具有一約5 mm至約20 mm之厚度。 25. 如請求項20之減壓組織治療裝置,其中該織物層包括接 合在一起之若干重疊層。
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