TW201219070A - Apparatus for managing reduced pressure at a tissue site and method for managing reduced pressure at a tissue site - Google Patents

Apparatus for managing reduced pressure at a tissue site and method for managing reduced pressure at a tissue site Download PDF

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TW201219070A
TW201219070A TW101102361A TW101102361A TW201219070A TW 201219070 A TW201219070 A TW 201219070A TW 101102361 A TW101102361 A TW 101102361A TW 101102361 A TW101102361 A TW 101102361A TW 201219070 A TW201219070 A TW 201219070A
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decompression
tissue site
reduced pressure
actual
source
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TW101102361A
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Christopher Brian Locke
Mark Stephen James Beard
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Kci Licensing Inc
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    • 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
    • A61M1/73Suction drainage systems comprising sensors or indicators for physical values
    • A61M1/732Visual indicating means for vacuum pressure
    • 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
    • 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
    • A61M1/96Suction control thereof
    • 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
    • A61M1/96Suction control thereof
    • A61M1/966Suction control thereof having a pressure sensor on or near 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
    • A61M1/912Connectors between dressing and drainage tube
    • 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
    • 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
    • A61M1/98Containers specifically adapted for negative pressure wound therapy
    • 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/15Detection of leaks
    • 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3331Pressure; Flow
    • A61M2205/3337Controlling, regulating pressure or flow by means of a valve by-passing a pump
    • 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3331Pressure; Flow
    • A61M2205/3344Measuring or controlling pressure at the body treatment site
    • 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/58Means for facilitating use, e.g. by people with impaired vision
    • A61M2205/583Means for facilitating use, e.g. by people with impaired vision by visual feedback

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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)
  • Media Introduction/Drainage Providing Device (AREA)
  • Surgical Instruments (AREA)
  • Measuring Fluid Pressure (AREA)
  • External Artificial Organs (AREA)

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201219070 六、發明說明: 【發明所屬之技術領域】 本發明大體而言係關於組織治療領域,且更特定言之係 關於用於施加減壓(reduced pressure)在組織部位之系統及 方法。 本申請案主張2007年2月9曰申請之美國臨時申請案第 60/900,556號之權利。主張上述申請案之優先權,且此申 請案以引用之方式併入本文中。 【先前技術】 臨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’但減壓在治療創傷方面之應用已尤其成功。使用減 壓之創傷治療在醫學界中有時被稱作,,負壓組織治療,I、" 減壓療法或"真空療法"。此類治療提供許多效益,包括 癒合更快及肉芽組織之形成增加。 由減壓治療系統所引起之在組織部位之減壓可能需要適 田地處理以維持或增加減塵治療之效用。另外,減壓治療 系統之組件中之洩漏及阻塞可能需要被偵測並修正以維持 有效⑺療。舉例而言,將諸如真空粟之減壓源連接至組織 之管中的减漏或阻塞可妨害對組織部位施以減壓治 療。減壓治療系統之處理或控制可通常被稱作"祕控制,· 或"差壓控制”。 在田刖所使用之泵壓控制系統中,在泵出口處量測壓力 且將其饋:¾至控制'系統中,該控制系統駆動—果以在栗之 161744.doc 201219070 出口處達成目標壓力。然而,該系統忽視了在泵出口處所 量測之壓力與接近組織部位處所量測之壓力之間的任何差 異’因為壓力並非量測於組織部位處或組織部位附近。因 此’此當前所使用之泵壓控制系統未能提供關於發生於組 織部位與泵之間的洩漏或阻塞的資訊。 當前所使用之差壓控制系統採用兩個感測器來量測泵出 口處與組織部位處之壓力。比較由兩個感測器所量測之壓 力’使得可識別減壓治療系統中洩漏或阻塞之發生。然 而,由當則差壓控制系統所使用之兩個感測器增加系統之 尺寸重畺、成本及複雜性。舉例而言,使用兩個感測器 增加由減壓治療系統所使用之電子電路及功率之量。另 外,比較來自兩個不同感測器之量測需要減壓治療系統包 括用於進行比較之電路及軟體。#前差壓控㈣統所需之 額外、’且件減小系統用以治療低嚴重度創傷及可走動患者之 創傷=能力。另外,額外組件增加減壓治療系統之突出性 及重量,進而增加不適感且限制患者之行動性。 【發明内容】 為了利用減壓治療系統來緩解現有問題,本文中所描述 之說明性實施例係關於-種用於處理在組織部位之減壓之 ^置及方法。該裝置包括一產生減塵之減Μ源。減麼經由 :輸:管:輸送至組織部位。該裝置包括一單一壓力感測 °單壓力感測裔偵測在組織部位之實際減壓❶該裝置 制器。控制器判定由單—壓力感測器所量測之 Ή對由減壓源所產生之減壓之增大的回應。該裝置 161744.doc 201219070 包括一指示器。當控制器判定由單一壓力感測器所量測之 實際減壓並不回應由減壓源所產生之減壓之增大時,指示 器發射一信號。 說明性實施例亦提供一種用於處理在组織部位之減壓之 方法。該方法判定一目標減壓。該方法使用一單一壓力感 測器來偵測在組織部位之實際減壓。該方法將實際減壓與 目標減壓相比以形成比較。該方法基於該比較來執行減壓 處理功能。 在另一實施例中,該方法使用一減壓源來增大所產生減 壓。該方法使用一單一壓力感測器來判定在組織部位之實 際減壓。該方法回應於在組織部位之實際減壓並不回應增 大所產生減壓而使用一指示器來發射一信號。 【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特定較佳實施例的隨 附圖式。十分詳細地描述此等實施例以使得熟習此項技術 者能夠實踐本發明,且應理解可利用其他實施例且可在不 •障離本發明之精神或範_的情況下進行邏輯結構、機械、 電性及化學變化。為了避免並非為使得熟習此項技術者能 夠實踐本發明所必需之細節,描述可省去熟習此項技術者 已知之特定資訊。因此’以下詳細摇述不應被視為具限制 意義’且本發明之範疇僅由隨附申請專利範圍來界定。 本文中所描述之說明性實施例提供一種用於處理在組織 部位之減Μ之裝置及方法。減壓通常係指小於在經受治療 161744.doc 201219070 之組織部位之環境壓力的壓力。在多數狀況下,此減壓將 小於患者所處位置之大氣壓。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。 與此命名法相符,減壓或真空壓力之增大係指絕對壓力之 相對減小,而減壓或真空壓力之減小係指絕對壓力之相對 增大。 该裝置包括一產生減壓之減壓源。減壓源為能夠產生減 壓之任何器件。減壓經由一輸送管而輸送至組織部位。該 裝置包括-單-壓力感測器。壓力感測器為能夠量測或偵 /貝j c =之任何器件。單一壓力感測器偵測在組織部位之實 際減壓。在一實施例中,單一壓力感測器為包括於該裝置 中之唯一壓力感測器。 忒裝置亦包括一控制器。控制器為能夠處理資料(諸 如’來自f 一壓力感測器之資料)之任何器#。控制器亦 :控制忒裝置之-或多個組件之操作。控制器判定由單一 壓力感測器所量測之實際減壓對由減壓源所產生之減壓之 增大的回應。 在K施例中’當由單一壓力感測器所偵測之在組織部 位之貫際減壓超過目標減壓時,減壓源產生減小之減壓。 在另-實施例中,f目標減壓超過由單一壓力感測器所偵 狀在組織部位之實際減壓時,減壓源產生增大之減壓。' :亥裝置亦可包括-耦接至輸送管之釋放閥。釋放閥為能 夠減小減壓之任何問。在此實施例中,當由單—壓力感測 161744.doc 201219070 器利測之在組織部位之實際減塵超過目標減屋達預定臨 限值時,釋放間可打開以減小在組織部位之實際減屡。 如本文中所使用,術語、接”包括經由一獨立物件來麵 接。舉例而言,若釋放間與輸送管兩者均轉接至一第三物 件,則釋放間可㈣至輸送管。術語"轉接”亦包括”直接 搞接",在此狀況下兩個物件以某一方式接觸彼此。術語” 搞接”亦涵蓋借助於組件令 干τ之母者均由相同材料片段形 成而彼此相連的兩個或兩個以上組件。 該裝置包括一4t - 3Ε ±1. 曰态。私示器為能夠發射信號之任何器 件。舉例而言,指千 α 〇 ’、态了發射信號至該裝置之使用者。♦ 控制器判定由單一壓力咸 田 ,.,r 力感測益所®測之實際減壓並不回岸 由減壓源所產生之減壓 回應”可指代來自由二 器發射信號。|,不 ,塾源所產生之減壓之增大不對如由 严力咸,、·二測益所量測之實際減壓產生影響。關於由單- 下所二辻w所里’則之貫際減壓之回應的額外細節提供於以 下所榀述之說明性實施例中。 說明性實施例亦提供— 種用於處理在組織部位之減壓之 方法。4過程判定目標之 如控制器之裝置所—y I紐可為由使用者或諸 成測写來偵心 何減壓。該過程使用單-壓力 盥目位之貫際減壓。該過程將實際減壓 壓處理功能。減壓處=:為::程基於該比較來執行減 何操作、功能或活動。與 任何或所有組件之任 ^ ^ 牛例而言,減壓處理功能可由穿詈 之—或多個組件來執# 田裝置 減泛處理功能亦可由使用者來執 161744.doc 201219070 行。 在—實施例中,基於比較來執行減壓處理功能包括回應 於貫際減壓超過目標減壓而減小由減壓源所產生之所產生 減壓。在另一實施例中,該過程回應於實際減壓超過目標 減壓達預定臨限值而打開一減小在組織部位之實際減壓的 釋放閥。在另一實施例中,該過程回應於實際減壓超過目 才承減壓達預定私限值而藉由關閉減壓源來消除所產生減 壓。 在另一實施例中,基於比較來執行減壓處理功能包括回 應於目標減壓超過實際減壓而增大由減壓源所產生之所產 生減壓。在此實施例中,該過程可回應於在組織部位之實 際減壓並不回應增大所產生減壓而使用一指示器來發射一 信號。 在貫例中,當在組織部位之實際減壓未能回應於增大 所產生減壓而在預界定時間週期内增大時,在組織部位之 實際減壓並不回應增大所產生減壓。在另一實例中,當在 2織部位之實際減壓未能回應於增大所產生減壓而在預界 疋寺間週期内滿足目標減壓時,在組織部位之實際減壓並 不回應增大所產生減壓,在一特定非限制性實例中,預界 定時間週期可處於4至6秒鐘之範圍内。 見轉看圖1,根據本發明之一說明性實施例描繪用於處 理在組織部位之減壓之裝置的方塊圖。特定言之,圖以 示用於對組織部位105處理減壓之減壓治療系統1〇〇。 減壓治療系統刚可用以對組織部位1〇5應用減壓治療。 i61744.doc 201219070 組織部位105可為任何人類、動物或其他有機體之身體組 織,包括骨組織、脂肪組織、肌肉組織、皮膚組織、血管 組織、結締組織、軟骨、腱、物帶或任何其他組織。雖然 組織部位】05可包括創傷、患病組織或缺陷組織,但組織 部位可另外包括未受傷、未患病且無缺陷之健康組織。對 組織部位105施加減壓可用以促進滲出液及其他液體自組 織部位1 05排出,以及促進額外組織之生長。在組織部位 1〇5為創傷部位之狀況下,肉芽組織之生長及滲出液及細 菌之移除促進創傷之癒合。對包括健康組織之未受傷或無 缺陷組織施加減壓可用以促進可被收集並移植至另一組織 位置之組織的生長。 施加至組織部位105之減壓係由減壓源】1〇來產生。減壓 源110可為任何類型之手動操作泵、機械操作泵或電力操 作栗。減1原110之非限制性實例包括由所儲存之能量來 驅動且能夠產纟減_^件。此等儲存能量之減壓源之實 例包括(但不限於)由麼電能量、彈簧能量、太陽能、動 此、電容|§中所儲存之能量 '燃燒,及由斯特林⑼e山叩) 循環或類似循環所產生之能量來驅動的泵。減壓源11〇之 其他實例包括手動啟動之器件,諸如,風箱式泵、蠕動 泵、隔膜泵、轉葉泵、線性活塞泵、氣動泵、液壓泵、手 搖泵、腳踏栗及手動$(諸如,與手動啟動之喷霧瓶一起 使用的彼等泵)。減壓源丨1〇中可使用或可包括之其他器件 及製耘包括注射器、導螺桿、棘輪、時鐘機構驅動式器 件、垂擺驅動式器件、手動產生器、渗透製程、熱力加熱 161744.doc 201219070 (thermal heating)製程及由壓縮來產生真空壓力之製程。 在另一實施例中,減壓源110可包括一由化學反應來驅 動之泵。可將錠劑、溶液、喷霧或其他輸送機構輸送至該 泵且用以引發化學反應。由化學反應所產生之熱力可用以 驅動該泵以產生減壓。在另一實施例中,使用加壓氣筒 (諸如,C〇2筒)來驅動一泵以產生減壓。在再一實施例 中’減壓源110可為電池驅動式泵。較佳地,該栗使用少 量功率且能夠以電池之單次充電來運作延長之時間週期。 減壓源110經由敷裹115而提供減壓至組織部位1〇5。敷 裹115包括歧管120 ’歧管120可與組織部位1〇5相鄰或相接 觸而置放。歧管120可為能夠與組織部位1〇5相接觸而置放 且分配減壓至組織部位105之生物相容性多孔材料。歧管 120可由發泡體、紗布、毛範墊或適於特定生物應用之任 何其他材料製成。歧管120可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1 〇5或自組織部位105分 配減壓或流體。 在一實施例中’歧管120為多孔發泡體且包括充當流動 通道之複數個互連小孔或孔隙。多孔發泡體可為聚胺基曱 酸酯之開孔網狀發泡體,諸如,由德州聖安東尼奥市(San Antonio, Texas)之 KineticConcepts公司所製造之GranuFoam。若 使用開孔發泡體,則孔隙率可不同,但較佳為約400至600 微米。流動通道允許流體流通遍及歧管12〇之具有開孔之 部分。小孔及流動通道在形狀及尺寸上可為均一的,或在 形狀及尺寸上可包括圖案化或隨機變化。歧管之小孔之形 161744.doc 201219070 狀及尺寸變化引起流動通道變化’且該特徵可用以改變穿 經歧管120之流體之流動特徵。 在一實施例中,歧管120可進一步包括含有"閉孔,,之部 分。歧管120之此等閉孔部分含有複數個小孔,該等小孔 中之多數不流體連接至相鄰小孔。閉孔部分可選擇性地安 置於歧管120中以防止流體穿經歧管12〇之周邊表面而傳 輸。 歧管1 20亦可由在使用減壓治療系統丨〇〇之後無需自患者 身體移除之生物可再吸收性材料來構成。合適之生物可再 吸收性材料可包括(但不限於)聚乳酸 ㈣)之聚合換合物。聚合換合物亦可包括(但二二: 碳酸酯、聚反丁烯二酸酯及己内酯。歧管12〇可進一步充 當用於新細胞生長之支架,或可結合歧管12〇而使用支架 材料以促進細胞生長。支架為用以增強或促進細胞之生長 或組織之形成的物質或結構,諸如,提供供細胞生長使用 之模板之三維多孔結構。支架材料之說明性實例包括鱗酸 約 '膠原蛋白、PLA/PGA、珊魅基構灰石、碳酸鹽或經 加工之同種異體移植材料。在—實例中,支架材料具有高 空隙率(亦即,高空氣含量)。 在其他實施例中’歧管12〇可由多孔水凝勝或水凝膠形 成材料、諸如織物之織品,、層壓板、生技藥物 (_㈣、生物聚合物、軟木及正血敷料形成。或者, 珠粒可與組織部位1G5相接觸而置放且用以分配減塵。 5亦包括达封部件125。可使用冑封部件J 25將歧 I61744.doc
-12- 201219070 管120緊固至組織部位1〇5。密封部件125可為用以將歧管 120緊固在組織部位1〇5之蓋子。雖然密封部件可為不 透性或半透性W ’但在—實例中,㈣部# 125能夠在將 密封部件125安裝於歧管12G之上之後料在喊部位1〇5 之減壓。密封部件125可為由含聚矽氧之化合物、丙烯 酸、水凝膠或水凝膠形成材料或者包括組織部位ι〇5所要 之不透性或/參透性特徵之任何其他生物相容性材料製成的 可撓性蓋層或薄膜。密封部件125可由疏水性材料形成以 防止水分被密封部件125吸收。 代替以諸如蓋層之形式之"薄片"形式提供,密封部件 125可以可傾倒或可喷射形式來提供,其係在置放歧管12〇 以使其與組織部位105相接觸後塗覆於歧管12〇之上。類似 地,被封部件125可包括-置放於歧管m及組織部位ι〇5 之上之器件以提供密封功能性,該器件包括(但不限於)吸 盤、模製鑄件及鐘形罩。 、 在貫把例中,岔封部件125經組態以提供與環繞歧管 120及組織部位1〇5之組織的密封連接。密封連接可藉由沿 者密封部件125之周邊或在密封部件125之任何部分上定位 黏著劑來提供’以將密封部件125緊固至歧管12〇或環繞 ’’哉。立105之組織。黏著劑可預先定位於密封部件I”上 組 或 可緊接在女裝密封部件125之前噴射至或以其他方式塗覆 至密封部件125。 作為黏著劑密封劑之替代方案,㈣連接可藉由用密封 4件125圓周地包覆與組織部位丨Q5相鄰之區域來提供。舉 I61744.doc •13· 201219070 例而έ ’若組織部位1 〇 5位於患者之四肢上,則狹長蓋層 或"蓋層帶"可圍繞歧管120及環繞組織部位1 05之區域包覆 多次以提供密封連接。或者,密封部件125與環繞組織部 位105之組織之間的密封連接可藉由由減壓治療系統1〇〇所 施加之減壓來提供。在此實施例中,密封部件125之周邊 可真空岔封至患者之皮膚。在再—實施例中,可將密封 部件125緊固至環繞組織部位1〇5之組織以提供密封連接。 在一些狀況下,可不需要密封部件125來密封組織部位 105。舉例而言,組織部位】〇5可能夠,,自我密封,,以維持減 壓。在皮下及深度組織創傷、腔洞及瘺管之狀況下,有可 :在不使用在封部件125之情況下維持在組織部位〗05之減 壓。因為組織通常包裹或環繞此等類型之組織部位,所以 環繞組織部位之組織有效地充當密封部件。 可使用源管130及輸送管135將由減壓源11〇所產生之減 屋施加至組織部位1〇5。源管13〇及輸送管]35可為氣體、 液體、凝膠或其他流體可流經之任何管。舉例而言,來自 組織部位1G5之渗出液可流經輸送管135。在圖丨中源線 將減塵源丨_接至罐14〇且輸送管135將罐14_妾至 敷裹115。然而’在另-實施例中’可使用輸送管135將減 壓源135直接耦接至敷裹115。 ,s 13G及輸达官135可由任何材料製成。源管及輸 送& 5可為可撓性或非可撓性的。又,源管"ο及輸送管 二5可包括流體可流經之-或多個路徑或内腔。舉例而 。輸送S 1 35可包括兩個内腔。在此實例中,-個内腔 161744.doc 14- 201219070 可用於供來自組織部位105之滲出液流至罐140。另一内腔 了用X將諸如二氣、抗菌劑、抗病毒劑、細胞生長促進 劑、灌注流體或其他化學活性試劑之流體輸送至組織部位 105。此等流體所起源之流體源並未展示於圖1中。關於減 壓治療系統1 〇〇中包含多内腔管之額外細節提供於下文 中。 在一實施例中,輸送管135經由連接部件145而耦接至歧 盲20連接。卩件145谷許來自歧管120之流體流至輸送管 135,且反之亦然。舉例而言,使用歧管12〇自組織部位 1〇5所收集到之滲出液可經由連接部件145而進入輸送管 135。在另一實施例中,減壓治療系統1〇〇並不包括連接部 件145。在此實施例中,可將輸送管135直接插入至密封部 件125或歧官12〇中以使得輸送管135之一末端與歧管相 鄰或相接觸。 減壓治療系統100包括罐140。來自組織部位1〇5之液體 (諸如,滲出液)可穿經輸送管135流至罐140中。罐140可為 能夠含有流體(諸如,氣體及液體以及含有固體之流體)的 任何器件或空腔。舉例而言,罐140可含有來自级織部位 105之滲出液。源管130及輸送管135可直接連接至罐14〇, 或可經由一諸如連接器150之連接器而耦接至罐140。 罐140可為由輸送管135流體連接至歧管12〇之可撓性或 硬性罐、袋或囊。罐140可為獨立容器或可操作地與減壓 原110且5以收集滲出液及流體。在使用諸如風箱式泵之 手動泵作為減壓源110的說明性實施例中,產生減壓之可 161744.doc 201219070 變容積腔室亦可充當罐140,從而隨著腔室膨脹而收集流 體。罐140可包括用於收集流體之單一腔室,或者可包括 多個腔室。可將乾燥劑或吸收性材料安置於罐14〇内,以 便一旦已收集到流體即捕集或控制流體。在不存在罐 時,可採用用於控制滲出液及其他流體之方法,其中使流 體(尤其水可溶性流體)自歧管丨2 〇蒸發。 減壓治療系統100包括壓力感測器155。壓力感測器 偵測在組織部位〗05之實際減壓。在一非限制性實例中, 壓力感測器155為矽壓阻計壓力感測器。在一實施例中, 壓力感測器155為包括於減壓治療系統1〇〇中之唯一壓力感 測器。在此實施例_,除壓力感測器155之外,減壓治療 系統100不包括其他壓力感測器。 壓力感測器155經由控制管16〇來偵測在組織部位1〇5之 減壓。控制管⑽為氣體可流經之任何管。控制管⑽可由 任何材料製成。㈣管160可為可撓性或非可挽性的。 又’控制管16〇可包括流體可流經之一或多個路徑或内 腔。 在圖1中,控制管16〇被展示為穿經連接器150。然而, 可改變控制管⑽之置放以適應特定需要及應用。舉例而 言,控制管160可途經罐140,沿著罐14〇之外表面,或可 繞過罐140。控制管160之與壓力感測器155相對之末端可 么由連接器145而耦接至歧管12〇。在另一實例中,可將押 制管⑽直接插入至密封部件125或歧fl2时以使得” 管160之一末端與歧管12〇相鄰或相接觸。 161744.doc -16- 201219070 在另一實施例中,輸送管135及控制管160各自為單一多 内腔管中之内腔。源管130及控制管16〇亦可各自為單一多 内腔管中之内腔。在僅使用輸送管135將減壓源11〇耦接至 歧管120之實例中,單一多内腔管可用以將減壓源11〇與壓 力感測器15 5兩者搞接至歧管120。關於多内腔實施例之額 外細節將在下文提供於圖2及圖3中。 壓力感測器1 55可位於減壓治療系統1 〇〇上之任何位置。 在圖1中,壓力感測器15 5被展示為遠離組織部位1 〇 5。在 此實例中,可經由容許氣體流動之控制管16〇而自經遠端 定位之壓力感測器155偵測在組織部位1〇5之減壓。亦在此 實例中,壓力感測器可直接或間接地耦接至減壓治療系統 100之其他遠端定位組件,諸如,減壓源11〇、罐14〇或減 壓治療系統100之任何其他所說明組件。在另一實例中, 可將壓力感測器i 5 5與組織部位i 5 5相鄰而置放。在此實例 中,壓力感測器155可不需要使削空制管16〇來偵測在組織 部位105之壓力。纟一非限制性實例中,可將壓力感測器 ⑸直接搞接至歧扣〇或置放於密封部件125與歧管㈣之 間。 減壓治療系統100包括抻也丨其肖 匕祜&制官閥165。控制管閥165可耦 接至控制管16〇。控制管間165可為能夠釋放控制管赠 咸之任何閥。控制官閥165之非限制性實例包括氣動 螺線管閥、比例閥或機械閥。 一在-貫例t ’控制管閥165可由人類手動控制。在另一 貫例中’控制管閥165可由控制器170來控制。在一實施例 161744.doc 201219070 中’ S在控制管1 60中伯測到阻塞時,可打開控制管間1 μ 以釋放控制管i60_之減壓。舉例而言,當來自組織部位 1〇5之滲出液或其他流體堵塞控制管16〇時,該阻塞可發 生。藉由經由控制管閥1 65來釋放控制管1 6〇中之減壓,可 自控制管160清除阻塞。 減£/α療糸統1〇〇亦包括釋放閥175。釋放閥175可為輕 接至源管130、罐140、連接器150、輸送管135、連接器 145、減壓源11 〇或敷裹丨丨5中之任一者或其任一組合的 閥。釋放閥175可為能夠釋放在組織部位1〇5之減壓的任何 類型之閥。釋放閥175之非限制性實例包括氣動螺線管 閥、比例閥或機械閥。在一實例中,可打開釋放閥〗75以 釋放在組織部位105之減壓。釋放閥175亦可用以處理在組 織部位105之減壓。關於使用釋放閥175及減壓治療系統 100之其他組件來處理在組織部位1〇5之減壓的額外細節提 供於下文中。 減壓治療系統包括控制器170。控制器17〇為能夠處理資 料(諸如,來自壓力感測器155之資料)之任何器件。控制器 17 0亦了控制減壓治療系統1 〇 〇之一或多個組件(諸如,減 壓源110、釋放閥175、控制管閥165、壓力感測器1 55或指 不器1 80)之操作。在—實施例中,控制器17〇接收並處理 資料(諸如,來自壓力感測器155之資料),且控制減壓治療 系統100之一或多個組件之操作以處理在組織部位ι〇5之減 壓。 在一實施例中’控制器1 70判定用於組織部位i 05之目標 I61744.doc 1$ 201219070 減壓。目標減壓可為用於組織部位1 〇5之使用者可界定之 減壓。目標減壓亦可由控制器170來判定。在一實例中, 目標減壓為提供對組織部位105之有效治療且考慮到與對 組織部位105施加減壓相關聯之安全問題的減壓。 在一實例中,壓力感測器155偵測在組織部位105之減 壓。減壓量測可由控制器170自壓力感測器155接收。控制 器170可將自壓力感測器155所接收之減壓與目標減壓相比 以形成比較。控制器170可接著執行或指導減壓治療系統 1〇〇之一組件以基於該比較來執行減壓處理功能。 在一實施例中’在基於比較來執行減壓處理功能中,控 制器170回應於實際減壓超過目標減壓而減小由減壓源11〇 所產生之所產生減壓。舉例而言’若減壓源丨丨〇為馬達式 或以其他方式電力操作之減壓源,則可減緩馬達或電力過 程以使得減壓源1 1 〇產生減小量之減壓。在另一非限制性 貫例中’若減壓源1 1 0為化學驅動式減壓源,則可減緩或 改變驅動減壓源丨1〇之化學製程以減小由減壓源u〇所產生 之減壓之量。 在另一實施例中,控制器170回應於如由壓力感測器ι55 所量測之實際減壓超過目標減壓達預定臨限值而打開釋放 閥175以減小在組織部位ι〇5之減壓。預定臨限值可由使用 者或由減壓治療系統1 〇〇之一組件(諸如,控制器1 70)來判 疋。在一貫例中’預定臨限值為有助於確保在組織部位 105之組織之安全的臨限值。舉例而言,預定臨限值可經 判定以使得超過目標減壓達預定臨限值之在組織部位1 〇5 161744.doc 19 201219070 之實際減壓可影響在組織部位105之組織之安全。因此, 可使用單一壓力感測器i 55將此實施例實施為安全機制。 在另一實施例中,控制器170回應於如由壓力感測器155 所量測之實際減壓超過目標減壓達預定臨限值而關閉或切 斷減壓源110。關閉或切斷減壓源丨10減小在組織部位1〇5 之減壓。在一實例中,超出時關閉減壓源丨丨〇之預定臨限 值大於或小於如先前實施例中所描述之超出時打開釋放閥 1 75之預定臨限值。因此,在此實例中,採用雙重安全機 制來確保在組織部位105之組織之安全。在另一實例中, 超出時關閉減壓源11 〇之預定臨限值與超出時打開釋放閥 175之預定臨限值相同。 在另—貫例令,在基於比較來執行減壓處理功能中,控 制器170增大由減壓源11〇所產生之所產生減壓。舉例而 言’若減壓源110為馬達式或以其他方式電力操作之減壓 源,則可增大馬達或電力過程之步速以使得減壓源〗10產 生增大量之減壓。在另一非限制性實例中,若減壓源1 i 0 為化學驅動式減壓源,則可加速或改變驅動減壓源110之 化4·裝程以增大由減壓源1 1 〇所產生之減壓之量。 在另—實施例中,控制器17〇判定如由壓力感測器155所 量測之在組織部位1〇5之實際減壓對來自減壓源n〇之所產 生減壓之增大的回應。在一實例中,控制器17〇可偵測由 減>£源所產生之減壓何時增大或減小。舉例而言,控制器 1 70可此夠偵測減壓源】丨〇之馬達速度、化學反應速度或壓 縮速度何時已增大或減小。可由控制器】7〇偵測以判定該 I61744.doc 20- 201219070 增大或減小之其他參數包括馬達之當前牵引力,此可指示 系之負荷。亦可偵測需要給予馬達以將所需減壓輸送至組 織部位105之功率位準或脈寬調變。控制器ι7〇亦可能夠基 於由壓力感測器155所量測之實際減壓與目標減壓之間的 比較來推斷由減壓源所產生之減壓增大或減小。 在一實施例中’控制器1 70回應於如由壓力感測器1 55所 量測之在組織部位1 〇5之實際減壓並不回應增大所產生減 壓而4曰導4a示器1 8 0發射信號。在一實施例中,指示器1 8 〇 為發光二極體或”LED"。在此實施例中,指示器j 8〇回應於 在組織部位1 05之實際減壓並不回應增大所產生減壓而點 在另一實施例中,指示器18〇為諸如揚聲器之發聲器 件。在此實施例中,指示器18〇回應於在組織部位1〇5之實 際減壓並不回應增大所產生減壓而發出聲音。 在另一實施例中 當在組織部位1〇5之實際減壓未能 應於增大所產生減壓而在預界定時間週期内增大時,在組
置處可能已發生斷裂。
統丄叫之便用者或減壓治療系統1〇〇之一 ,控制 ,且可由減壓治療系 一組件(諸如 161744.doc 21 201219070 器170)來設^。在—實例中,預界㈣間週期處於一秒鐘 至十私釦或四秒釦至六秒鐘之範圍内。在一特定非限制性 貫例中’預界定時間週期為5秒鐘。 在另一實施例中,當在組織部位丨〇5之實際減壓未能回 應於增大所1生減慶而在預界定時間週期内滿足目標減壓 時,在組織部位105之實際減壓並不回應增大所產生減 Μ。類似於先前描述之實施例,該不回應可指示減壓治療 系統100之一或多個組件(諸如,輸送管135或源管13〇)被阻 塞或存在洩漏。 在本發明之另一實施例中,若減壓源11〇為真空泵及馬 達,則可將感測器耗接至真空系或馬達以量測泉速或馬達 速度。由感測器所獲得之量測可用以推斷由泵所輸送之壓 力’藉此提供用於判定是否存在沒漏或阻塞並將其區分開 之機制。舉例而言,對沒漏之谓測可藉由監控泉或馬達中 之任一者或兩者之速度來執行。若在正施以減壓治療時發 生淺漏’則系速或馬達速度中之任一者或兩者將有可能增 大,從而指示果正產生更多減麼。若發生阻塞,則果或馬 達中之任-者或兩者之速度將有可能減小。在茂漏或阻塞 條件期間,泵速或馬達速度感測器之輸出可供控制器17〇 用以使用指示器180來發射信號。 在一特定說明性實例中,減壓源11〇包括一具有速度之 馬達。在此實例中,-感測器可偵測馬達之速度。當馬達 之速度改變達臨限量時,指示器18〇可發射信號。臨限量 可為任何量,且可由減壓治療系統1〇〇之使用者或減壓治 161744.doc •22- 201219070 療系統100之一組件(諸如’控制器17〇)來設定。臨限量可 表現為有限量、百分率或其任何組合。 現轉看圖2 ’根據本發明之一說明性實施例描繪一多内 腔官的透視圖。特定言之,圖2描繪多内腔管200,其可實 施於諸如圖1中之減壓治療系統1〇〇之減壓治療系統中、。、 多内腔管200包括兩個内腔。特定言之,乡内腔管2〇〇包 括内腔235及260。雖然多内腔管200包括兩個内腔235及 260但夕内腔官可具有任何數目之内腔,諸如,三個、 四個或十個。 在一實施例中,内腔235及26〇中之一者(諸如,内腔 235)為輸送管或源管’諸如,圖【中之 在另-實施例中,内腔—中之—者(諸:原: 腔為控制管’諸如,圖i中之控制管16〇。藉由併入輸 送管、源管及控制管之組合作為單一多内腔管中之内腔, 包括於減壓治療系統中之獨立管之數目可減少。減少數目 之管對於使用者之使用而言簡化了減壓治療系、统且減輕 了承載減壓治療系統之負荷。 現轉看圖3 ’根據本發明之一說明性實施例描繪一多内 腔管的透視圖。特定言之,圖3描繪多内腔管則其可實 施於諸如圖1中之減壓治療系統⑽之減壓治療系統中。多 内腔管则可為圖2中之多内腔管2GG之非限制性實例。 多内腔管300包括九個内腔。特定言之乡内腔管_包 括内腔335及周邊内腔则。雖然多内腔管綱將周邊内腔 360展示為圍繞内腔335 ’但多内腔管300中之内腔可相對 161744.doc •23- 201219070 於彼此具有任何空間組態。 在一實施例中,内腔335及360中之 335)為輸送管或源管, = " 11Λ如 S省如,圖1中之輸送管135及源管 13〇。在另一實施例中,内腔奶及撕之一者(諸如,内 腔360中之任一者或全部 市』s啫如,圖1中之控制 二。類似於圖3中之多内腔管3〇〇,藉由併入輸送管、 源官及控制管之任何組合作為多内腔管300中之内腔,包 括於減麼治療系統中之獨立管之數目可減少,以便增加包 括有夕内腔官之減壓治療系統之可用性。 現轉看圖4,根據本發明之一說明性實施例描綠說明用 於處理在組織部位之減廢之過程的流程圖。圖斗中所說明 之過程可由控制器(諸如’圖1中之控制器m)結合減壓治 療系統之其他組件(諸如,圖1令之減屋治療系統100之組 件)來實施。 該過程自判定目標減壓開始(步驟4〇5^該過程使用單 壓力感測器來偵測在組織部位之實際減壓(步驟41〇) ^該 過程將實際減㈣目標減㈣比以形纽較(步驟415)。該 過私基於該比較來執行減壓處理功能(步驟42〇)。 現轉看圖5,根據本發明之一說明性實施例描繪說明用 於處理在組織部位之減壓之過程的流程圖。圖5中所說明 之過程可由控制器(諸如,圖丨中之控制器丨7〇)結合減壓治 療系統之其他組件(諸如,圖丨中之減壓治療系統1〇〇之組 件)來實施。圖5中所說明之過程提供關於圖4中之步驟415 及4 2 0之g兒明性貫施例及額外細節。 161744.doc •24- 201219070 該過程自判定實際減壓是否超過目標減壓開始(步驟 505)。若該過程判定實際減壓並不超過目標減壓,則該過 程終止。返回步驟505,若該過程判定實際減壓超過目標 減壓’則該過程減小由減壓源所產生之所產生減壓(步驟 510)。 該過程判定實際減壓是否超過目標減壓達預定臨限值 (步驟5〗5 )。若該過程判定實際減壓並不超過目標減壓達預 定臨限值’則該過程終止。返回步驟5丨5,若該過程判定 貫際減壓超過目“減壓達預定臨限值,則該過程判定是否 藉由打開釋放閥來減小減壓(步驟52〇) ^若該過程判定藉由 打開釋放閥來減小減壓,則該過程打開釋放閥以減小在組 織部位之實際減壓(步驟525)。 返回步驟520,若該過程判定並不藉由打開釋放闊來減 小減壓’則該過程判定是否藉由關閉減壓源來減小減壓 (步驟530)。若該過程判定藉由關閉減壓源來減小減壓,則 該過程關閉減壓源(步驟535)。㈣,該過程終止。返回步 驟530 ’若該過程判定並不藉由關閉減壓源來減小減壓, 則該過程終止。 轉看圖6 ’根據本發明之一兮 ^ °兒明性實施例描繪說明用於 處理在組織部位之減壓之過裎 J机%圖。圖6中所說明之 過程可由控制器(諸如,圖1 φ …立… 制器17〇)結合減壓治療 糸統之其他組件(諸如,圖丨中之 减【/α療系統100之粗件) 來實施。圖5中所說明之過程 、'忏) 钤仏關於圓4中之步驟415及 420之說明性實施例及額外細節。 161744.doc -25- 201219070 °玄過裎自判定目標減壓是否超過實際減壓開始(步驟 605)右5亥過程判定目標減壓並不超過實際減壓,則該過 程終止。返回步驟6〇5,若該過程判定目標減壓超過實際 減£則及過程増大由減壓源所產生之所產生減壓(步驟 610)。 忒過程判疋由單—壓力感測器所量測之實際減壓是否回 應增大之所產生減壓(步驟6丨5)。若該過程判定由單—壓力 感測器所量測之實際減壓回應增大之所產生減壓則該過 程終止。返回步驟615,若該過程判定由單一壓力感測器 所里測之實際減壓並不回應增大之所產生減壓,則該過程 使用一指示器來發射一信號(步驟62〇)。接著,該過程終 止。 見轉看圖7 ’根據本發明之一說明性實施例描繪說明用 於處理在組織部位之減壓之過程的流程圖。圖7中所說明 之過私可由控制器(諸如,圖i中之控制器工7〇)結合減壓治 療系統之其他組件(諸&,圖i中t減壓治療系統_之組 件)來實施。圖7中所說明之過程提供關於圖6中之步驟… 及620之說明性實施例及額外細節。 違過程自判定在組織部位之實際減I是否在預界定時間 週期内增大而開始(步驟7〇5)。若該過程判定在組織部位之 ^際,在預界定時間週期内並未增大,則該過程使用— 指示器來發射-信號(步驟71〇)β接著,該過程終止。 返回步驟705 ’若該過程判定在組織部位之實際減壓在 預界定時間週期内增大,則該過程判定在組織部位之實際 I61744.doc -26- 201219070 減壓疋否在預界定時間週期内滿足目標減壓(步驟Η”。若 該過程判定在組織部位之實際減壓在預界定時間週期内並 不滿足目標減壓’則該過程使用指示器來發射-信號(步 =710)。接著’該過程終止。返回步驟715,若該過程判 疋在’”、我。卩位之貫際減壓在預界定時間週期内滿足目標減 壓’則該過程接著終止。 不同所&繪實施例中之流程圖及方塊圖說明裝置及方法 之-些可能實施之架構 '功能性及操作。在—些替代實施 中,方塊中所標註之(多個)功能可不以圖中所標註之次序 發生。舉例而f,在一些狀況下’視相關功能性而定,接 連展示之兩個方塊可實質上同時執行,或該等方塊可有時 以相反次序執行。 說明性實施例可經組態成與#前所使用之減壓治療系統 相比消耗較少功率的輕重量及低成本线。當系統欲用以 治療,嚴重度創傷及可走動患者之創傷時,減小尺寸及減 I重罝尤其重要。此等創傷及患者需要不突出且輕便之系 統,以使得患者之不適及對移動之妨礙減至最小。 將成本、重量及功率消耗最小化之—方式為藉由僅使用 -個感測器來量測壓力。如先前所提及,傳統系統通常使 用兩個1力感測ϋ,_者用於量測在組織部位之壓力且一 者量測在減壓源處之壓力。然而,量測在減壓源處之壓力 之壓力感測器的消除使系統所需之電子電路之量以及系統 :消耗之功率之量顯著減少。另夕卜用以比較兩個感測器 讀數之任何電路及軟體得以消除。另夕卜說明性實施例使 161744.doc •11 · 201219070 得能夠將預界定減壓施加至 用較少細杜冰坦似· J f與先則系統相比利 、 八對某些異常系統條件之偵測及通知。 二生^例亦消除對使用在減㈣所量 的需要。另外,直接在組織部位判定厂堅力 /由口歲性貫施例之其他特徵時)允許_治療系統 2 =於在減壓源處所作出之操作變化而觀測在組織部 位之壓力變化來偵測洩漏及阻塞。 【圖式簡單說明】 圖】為根據本發明之_ ~ aH wt 0兑月性實細例之用於處理在組織 部位之減壓之裝置的方塊圖; 圖2為根據本發明之_ -il? an 1.4. 圖; …貫知例之多内腔管的透視 圖 圖3為根據本發明 之—說明性實施例之多内腔管的透視 說明性實施例之用於處理在 圖4為說明根據本發明之一 組織部位之減壓之過程的流程圖; 圖5為4明根據本發明之—說明性實施例之用於處理在 組織部位之減壓之過程的流程圖; 圖6為說明根據本發明之—說明性實施例之用於處理在 組織部位冬減壓之過程的流程圖;及 圖7為說明根據本發明之—說明性實施例之用於處理在 組織部位之減壓之過程的流程圖。 【主要元件符號說明】 100 減壓治療系統 161744.doc -28- 201219070 105 組織部位 110 減壓源 115 敷裹 120 歧管 125 密封部件 130 源管 135 輸送管 140 罐 145 連接部件/連接器 150 連接器 155 壓力感測器 160 控制管 165 控制管閥 170 控制器 175 釋放閥 180 指示器 200 多内腔管 235 内腔 260 内腔 300 多内腔管 335 内腔 360 周邊内腔 161744.doc -29-

Claims (1)

  1. 201219070 七、申請專利範圍: 1· 一種用於處理在一組織部位之減壓之裝置,該裝置包 含: 一產生減壓之減壓源,該減壓係經由一輸送管而輪送 至該組織部位; 一單一壓力感測器’該單一壓力感測器偵測在該組織 部位之一實際減壓; 一控制器,該控制n判定由該單一壓力感測器所量測 之該實際減壓對由該減壓源所產生之減壓之一增大的一 回應;及 私示器,當s亥控制器判定由該單一壓力感測器所量 測之該實際減壓並不回應由該減壓源所產生之減壓之該 增大時,該指示器發射一信號。 2·如請求項1之裝置,其中當由該單一壓力感測器所偵測 T在该組織部位之該實際減壓超過一目標減壓時,該減 壓源產生一減小之減壓。 3. 如請求項1之裝置,其進一步包含: 耦接至該輸送管之釋放閥,當由該單一壓力感測器 所偵測之在該組織部位之該實際減壓超過一目標減壓達 預疋6™限值時,該釋放閥打開以減小在該組織部位之 該實際減壓。 4. 士 °月求項1之裝置,其中當一目標減壓超過由該單一壓 力感測器所偵測之在該組織部位之該實際減壓時,該減 麗源產生—增大之減壓。 161744.doc 201219070 5·如請求項1之裝置,其進一步包含: 控制官’其中該單一壓力感測器經由該控制管來谓 測在该組織部位之該實際減壓;及 一麵接至該控制管之控制管釋放閥,當在該控制管中 偵測到阻塞時’該控制管釋放閥釋放在該控制管中之 減壓。 6. 如請求項5之裝置,其進一步包含: 歧s ’其_該單一壓力感測器經由該歧管而經由該 控制言來偵測在該組織部位之該實際減壓。 7. 如w求項5之裝置,其中該控制管為一第一内腔,其中 §〜送^為第一内腔,且其中該第一内腔及該第二内 腔位於一單一多内腔管中。 8·如請求項1之裝置,其中該指示器為一發光二極體,且 其中s亥信號為該發光二極體之一點亮。 9_如明求項1之裝置,其中除該單一壓力感測器之外,該 裝置不包括其他壓力感測器。 1〇.如清求項1之裝置,其中該減壓源包括一具有一速度之 馬達。 11. 如叫求項丨〇之裝置,其中一感測器偵測該馬達之該速 度且其中當該馬達之該速度改變達一臨限量時,該指 示器發射該信號。 12. 種用於處理在一組織部位之減壓之方法,該方法包 含: 判定一目標減壓; 161744.doc 201219070 使用一單一壓力感測器來偵測在該組織部位之一實際 減壓; 將該實際減壓與該目標減壓相比以形成—比較;及 基於該比較來執行一減壓處理功能。 13. 如請求項12之方法,其中基於該比較來執行該減壓處理 功能進一步包含: 回應於S亥貫際減壓超過該目標減壓,減小一由一減壓 源所產生之所產生減壓。 14. 如請求項13之方法,其進一步包含: 回應於該實際減壓超過該目標減壓達一預定臨限值, 打開一減小在該組織部位之該實際減壓的釋放閥。 15·如請求項13之方法,其進一步包含: 回應於該實際減壓超過該目標減壓達一預定臨限值, 藉由關閉該減壓源來消除該所產生減壓。 16. 如凊求項丨2之方法,其中基於該比較來執行該減壓處理 功能進一步包含: 回應於該目標減壓超過該實際減壓,增大一由一減壓 源所產生之所產生減壓。 17. 如請求項16之方法,其進一步包含: 回應於在該組織部位之該實際減壓並不回應增大該所 產生減壓,使用一指示器來發射一信號。 18. 如凊求項17之方法,其中當在該組織部位之該實際減壓 未月b回應於增大該所產生減壓而在一預界定時間週期内 增大時,在該組織部位之該實際減壓並不回應增大該所 161744.doc 201219070 產生減壓。 19. 如請求項17夕士 ' 方法,其中當在該組織部位之該實際減壓 未月匕回應於増大該所產生減塵而在_預界定時間週期内 滿足目才示減壓時,在該組織部位之該實際減壓並不回 應增大該所產生減壓。 20. 如請求項19之方法,其中該預界定時間週期係處於4至6 秒鐘之範圍内。 161744.doc
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