CN101176688B - 便携式伤口治疗系统 - Google Patents

便携式伤口治疗系统 Download PDF

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CN101176688B
CN101176688B CN2007101944104A CN200710194410A CN101176688B CN 101176688 B CN101176688 B CN 101176688B CN 2007101944104 A CN2007101944104 A CN 2007101944104A CN 200710194410 A CN200710194410 A CN 200710194410A CN 101176688 B CN101176688 B CN 101176688B
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S·马利根
D·芬克
H·希格勒
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Covidien LP
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Abstract

一种关于使外科伤口愈合的便携式负压治疗系统，包括：尺寸适于相对于受治疗者伤口床定位的伤口敷料、尺寸适于由受治疗者携带或佩戴的便携式负压装置和用于收集来自伤口床的渗出物的容器，该渗出物在由负压装置提供的负压作用下被移除。便携式负压装置包括：壳体、设置在壳体内与伤口敷料流体连通的给伤口敷料提供负压的负压源、和安装在壳体上或壳体内给负压源提供电力的电源。

Description

便携式伤口治疗系统
相关申请的交叉引用
本申请要求在美国专利商标局于2006年9月28日申请的、美国临时专利申请No.60/847886的优先权及权益。
技术领域
本公开涉及治疗开放伤口，并且特别涉及一种便携式伤口治疗系统，该系统包括一种伤口敷料，其联合负压促进开放伤口的愈合。
背景技术
伤口闭合包括邻近伤口的上皮和皮下组织远离伤口底部向伤口中心移动，直到伤口闭合。不幸的是，大的伤口、慢性伤口或者已经感染的伤口是很难闭合的。在此类伤口中，邻近伤口表面形成郁积区(即组织的局部肿胀限制血液向组织流动的的区域)。没有足够的血流供应，伤口周围的上皮和皮下组织不仅缺乏氧和营养物质，而且也不能够成功地抵御微生物的感染，因此更减缓了伤口自然闭合的过程。这样的伤口成为医务人员多年来面对的难题。
负压治疗，也被称为吸引或真空治疗并且已经在治疗和治愈伤口中应用了很多年。已经开发出了许多负压设备用于从伤口中排出过多的伤口流体(即渗出物)以保护伤口，因此促进愈合。负压设备已经利用不同的伤口敷料来隔离伤口并保持负压环境。
发明内容
因此，一种关于使手术或慢性伤口愈合的便携式负压治疗系统，其包括：伤口敷料，其尺寸适于相对于受治疗者的伤口床(wound bed)定位；便携式负压装置(subatmospheric pressure mechanism)，其尺寸适于由受治疗者携带或佩戴；以及容器，其用于收集来自伤口床的渗出物，该渗出物在负压装置提供的负压作用下被移除。便携式负压装置包括：壳体；设置在壳体内的负压源，该负压源和伤口敷料流体连通，以便给伤口敷料提供负压；以及安装在壳体上或壳体内的电源，以便提供致动负压源的电力。负压源包括一个泵部件。所述泵部件选自隔膜泵、双隔膜泵、膜盒式泵和蠕动泵组成的组。
还可以提供一个致动泵组件的致动器。所述致动器可以安装在壳体上。所述致动器可以选自AC电机、DC电机、音圈电机和螺线管组成的组。所述电源可包括一次性电池或可充电电池并且可拆卸地安装在壳体上。电源可与新的负压装置组件重复使用。
容器可安装在壳体上或壳体内。容器可以是相对挠性的。可选地，挠性容器可以远离壳体和佩戴在患者身上。挠性容器包括在其内部限定的至少一个收集通道或多个收集通道用来容纳渗出物。多个收集通道可以限定蜿蜒的或平行的流体通道。
负压装置可以在一次使用时间后被丢弃。可选地，负压装置的某些组件可以重复使用。
伤口敷料可以包括用于紧靠伤口床定位的伤口接触部件、伤口填塞部件和包围伤口床周边的伤口覆盖物。伤口接触部件可以包括一个允许渗出物通过的多孔部分。伤口接触部件可以基本上不与伤口床粘连。伤口填塞部件可以包括多个呈丝束布置的纤维或细丝。伤口覆盖物可适于允许湿气通过。
因此，根据本发明，提供了一种关于使外科伤口愈合的用于负压治疗的便携式系统，该便携式系统包括：伤口敷料，其尺寸适于相对于受治疗者的伤口床定位，所述伤口敷料包括用于包围所述伤口床的周边的伤口覆盖物和在所述伤口覆盖物下面的填塞部件，所述填塞部件包括多个呈丝束布置的纤维，适于有助于将渗出物传送出所述伤口床；尺寸适于由受治疗者携带或佩戴的便携式负压装置，该便携式负压装置包括：壳体；设置在壳体内并与伤口敷料流体连通的负压源，其用于给伤口敷料提供负压；安装在壳体上或壳体内的电源，其用于提供电力以致动负压源；和容器，其用于收集来自伤口床的渗出物，所述渗出物在由负压源提供的负压作用下被移除。
优选地，所述负压源包括泵部件和用于致动泵部件的致动器。
优选地，所述泵部件选自隔膜泵、双隔膜泵、膜盒式泵和蠕动泵组成的组。
优选地，所述致动器安装在壳体上。
优选地，所述致动器选自AC电机、DC电机、音圈电机和螺线管组成的组。
优选地，所述容器安装在壳体上或壳体内。
优选地，所述容器是相对挠性的。
优选地，所述挠性容器的尺寸适于由患者佩戴。
优选地，所述挠性容器包括至少一个限定在其中的用于容纳渗出物的收集通道。
优选地，所述挠性容器包括多个用于容纳渗出物的收集通道。
优选地，所述多个收集通道限定蜿蜒形布置。
优选地，所述便携式负压装置适于在一次使用后被丢弃。
优选地，所述电源相对于壳体可拆卸地安装并用于在负压源被丢弃后重新使用。
优选地，所述伤口敷料包括用于紧靠伤口床定位的伤口接触部件。
优选地，所述伤口接触部件包括允许渗出物通过的多孔部分。
优选地，所述伤口接触部件基本上不与伤口床粘连。
优选地，所述伤口覆盖物适于允许湿气通过。
附图说明
在此参考附图描述本公开的伤口敷料系统的不同实施例，其中：
图1是本公开的便携式伤口治疗装置的部分截面的侧视图，示出伤口敷料和负压装置；
图1A是图1中标出的细节区域的放大视图；
图1B是图1中的伤口敷料的填塞部件的实施例的视图；
图2是示出负压装置的组件的示意图；
图3A是用于支撑负压装置组件的携带支撑装置的视图；
图3B是一个可选的携带支撑装置的视图；
图4是另一个可选的携带支撑装置的视图；
图5A-5C是可选的便携式伤口治疗系统的实施例的视图，示出伤口敷料和用于收集渗出物的挠性渗出物容器；
图6是图5A-5C实施例中挠性渗出物容器的俯视图；
图7是沿图6中的线7-7截取的挠性渗出物容器的横截面视图；
图8是一个包括基本上平行的流体通道的挠性渗出物容器的可选布置的俯视图；
图9是示出了将挠性渗出物容器安装到受治疗者身上的方法的视图。
具体实施方式
本公开的伤口治疗系统通过使用伤口敷料和便携式负压装置来促进伤口的愈合。所述伤口治疗系统整个是便携式的，即它可以佩戴在受治疗者身上或由受治疗者携带，这样受治疗者可以在治疗期间随意地走动。包括负压装置及其组件的伤口治疗系统可以在使用预定的时间后被整个丢弃或者可以被分别丢弃，由此某些组件可以在后来的治疗中重复使用。通常，便携式负压装置将负压施加在伤口上以便有效移除由合成伤口敷料俘获的伤口流体或渗出物和增加流向伤口床的血流并增强上皮和皮下组织的细胞刺激。
本公开的伤口治疗系统联合负压治疗促进伤口愈合。所述系统可以包括多种伤口敷料、负压源以及泵。
现在参见图1，示出了本公开的几个伤口治疗系统100的实施例。伤口治疗系统100包括合成伤口敷料102和通过管道与伤口敷料102流体连通的负压装置104，用附图标记106示意性地标识管道。图1中，示出了三个可选的负压装置104a、104b、104c。负压装置104a、104b、104c共享如下将要提到的相似组件。负压装置104a、104b、104c中的任意一个都将与伤口敷料102一同使用。
伤口敷料102可以包括几个组件，即伤口接触层或部件108、由接触部件108支撑的伤口填塞部件或装填物110和外层或覆盖部件112。伤口接触部件108适于与伤口床“w”基本适合(conform to)。伤口接触部件108基本上是多孔的，以便允许渗出物从伤口床“w”经伤口接触部件108通过。接触部件108的孔隙可通过在直径或尺寸上以及在围绕接触部件108的分布上改变孔或穿孔的大小来调节。由此，来自伤口的流体流动可以被优化并且接触部件108和伤口床之间的粘连可以被最小化。伤口接触部件108也可以是非粘附性的。这种构造允许流体和渗出物在接触部件108与伤口床“w”“粘着”最小的情况下不受约束地流过伤口接触部件108，同时保持合适的伤口湿度平衡。图1A示出了带有孔108a的接触部件108。孔108a可以在大小或直径上是相等的或具有变化的或任意的大小和尺寸。
伤口渗出物通过伤口接触部件108的通道优选是单向的，这样伤口渗出物不会流回伤口床“w”。这种单向流动特性可以以定向孔的形式提供给材料层、具有不同流体传输或芯吸能力的材料叠层或者促进渗出物单向流动的特定材料选择。然而，也可以想到一个用于向伤口床“w”供给药物或抗感染的双向层，其将在下文描述。
另外，诸如水凝胶和药物的制剂可以粘接或涂覆在接触部件108上，以便减小伤口的生物负载、促进愈合、增加伤口床的血流和减少与敷料更换或移除相关的疼痛。药物包括例如，抗菌剂、生长因子、抗生素、止痛剂、氧化氮清创剂、富氧药物等。此外，当使用止痛剂时，止痛剂可以包括一种机构，该机构允许在移除或更换敷料之前释放该制剂。
接触部件108可以由多种不同的材料构造。这些材料可以包括但不限于合成的非吸收性的聚合物纤维，如碳化聚合物、聚乙烯(PE)、聚丙烯(PP)、聚四氟乙烯(PTFE)、尼龙、强力纤维(arimids)、凯夫拉尔、聚对苯二甲酸乙二醇酯(PET)或诸如纤维素等的自然纤维。可以想到的是，接触部件108可以是透明的以提高其可视性，从而能够更好的观察伤口床“w”。此外，接触部件108可以由织物构成，该织物可以是纺织的、无纺的(包括熔喷的)、编结的或复合的结构，如热压粘合织物。用作接触部件108的典型材料是Kendall公司销售的商标是EXCILONTM或XEROFLOWTM的产品，Kendall公司是TycoHealthcare的分公司。
伤口敷料102的伤口填塞部件110用于吸收和传输伤口流体和渗出物。典型的吸收材料包括泡沫、无纺合成织物、水凝胶、纤维素织物、超吸收聚合物以及它们的组合。典型地，伤口填塞部件110可包含或吸收达大约100立方厘米(cc)或更多的伤口流体。优选地，吸收材料包括由Kendall公司销售的商标是KERLIX
Figure GSB00000512985100051
AMD的抗菌敷料，Kendall公司是TycoHealthcare的分公司。在一个优选的实施例中，可预制或成形填塞部件110以与伤口床的各种形状相适合。本领域技术人员将会意识到，填塞部件110可以形成任何合适的形状。填塞部件110可以包括多个层。在另一优选实施例中，填塞部件110可以构造成不同吸收材料的多层以有助于使渗出物从伤口中定向流出或渗出。
另外，参考图1B，填塞部件110可以包括疏水材料，如用于在负压下传输伤口流体的连续的人造纤维。所述人造纤维可以由聚合材料，如聚丙烯、聚乙烯、聚酯纤维或其它聚合物构成。连续的纤维可以布置成束或纤维束，以便有助于促进或形成伤口填塞部件110，呈如图1B所示的丝束布置(towarrangement)。此外，纤维束可以用带子或某些粘合剂以给定的长度结合到融合区域110b中。融合区域110b可以是这样的区域，该区域将纤维束切割成选定的长度以便使伤口填塞部件110适应不同的伤口尺寸。
可选地，伤口填塞部件110可以是疏水的/非吸收性的材料，以便最少化伤口附近的流体。此类材料的示例可以是呈丝束布置的纤维，由PTFE、PE、PET构成的毡或泡沫，或者由硅或PTFE溶液处理过的亲水材料。
另外，吸收性的或非吸收性的填塞部件110可以经药物处理。药物包括，例如抗感染药剂，如杀菌剂或其它适合的抗菌剂或抗菌剂的组合，多卤苯酸(下文中称“PHMB”)、抗生素、止痛剂、愈合因子(如维他命、生长因子、营养物等)以及冲洗剂(如生理盐水)等。
在可选方案中，吸收性的或非吸收性的填塞部件110可以包括共同受让的公开号为No.2007/0185463美国专利中公开的小球布置(bead arrangement)，这篇专利的全部内容在这里引入作为参考。在’921申请中公开的小球优选是基本刚性的，这样至少在伤口愈合的预定时间内保持它们的形状。当小球布置在伤口床“w”时在小球之间限定空间或通道，以允许伤口渗出物通过所述通道。小球的尺寸是可变的，但是它们的尺寸应当制成为能够获得通过小球布置的合适的孔隙，以有利于细胞增殖并允许流体和空气从伤口排出。已经发现10-1000μm范围的孔隙有利于促进细胞增殖并允许流体和空气从伤口排出。小球可以和接触部件108联结工作以适合伤口床“w”，使得伤口渗出物和空气无阻碍地从伤口床“w”排出和释放。当施加负压时，小球可以运动并重新调整它们的相应位置，以防止使用目前的泡沫敷料设计时可能发生的疼痛的向内生长。
再次参考图1，外部部件或伤口覆盖物112包围伤口敷料100的周边以围绕伤口床“w”并且提供了一个围绕伤口床“w”的周边“p”的不透液的密封。例如，密封装置可以是任意的粘合剂，该粘合剂粘接到围绕伤口床“w”的层。所述粘合剂必须提供粘合到伤口床“w”周围的组织，例如伤口周边区域的合意的粘合，并适于用在皮肤上而无接触恶化反应(例如粘合剂应该优选无刺激性和无过敏反应的)。粘合剂可以是渗透性的或半渗透性的，以使其接触的皮肤能够呼吸和透出湿气。另外，粘合剂可以被外部的刺激物如热或给定的流体溶液或化学反应活化或惰化。粘合剂包括例如医用级丙烯酸树脂，如与TycoHealthcare GroupLP的CURAFOAM ISLANDTM敷料一起使用的粘合剂、或对皮肤温和无刺激的任何硅树脂或橡胶基医用粘合剂。伤口覆盖部件112可以设置有粘合剂背衬和/或可选地粘合剂可以在使用过程中施加在伤口覆盖物112和/或皮肤上。作为进一步的可选方案，可以在伤口覆盖物112周边和叠置的接触部件108的周边之间插入环状的粘合剂部件114，以固定伤口“w”周围的伤口覆盖物112。
伤口覆盖物112典型地是柔性材料，如回弹或弹性材料，伤口覆盖物112密封伤口敷料102的顶部，以防止液体或污染物通到伤口敷料102和从伤口敷料102通过。典型的柔性材料包括由Kendall公司生产的商标是Polyskin II
Figure GSB00000512985100071
的半渗透性的透明敷料，Kendall公司是Tyco Healthcare Group LP的分公司。Polyskin II
Figure GSB00000512985100072
是一种透明的半渗透性材料，它允许湿气或水蒸气透过敷料102从伤口部位通过，同时提供细菌和流体污染物的屏障。可选地，薄膜可以由聚氨酯、可透气的聚烯烃、共聚酯或这些材料的叠层制成。伤口覆盖物112的透明性使得能够观察到伤口敷料102的状态和填塞部件110的饱和程度。作为一个可选方案，外部覆盖部件112可以是不可透过湿气的。
其它合适的伤口敷料在公开号为Nos.2007/0078366、2007/0066946和2007/0055209的共同受让的美国专利中公开，这些专利的全部内容在这里引入作为参考。
现在参考图2的示意图并结合图1，将讨论负压装置104。负压装置104包括壳体116、设置在壳体116内的真空源或泵118、与壳体116a设置在一起的用于致动真空源118的致动器或电机120、和相对于壳体114安装的电源122。真空源或泵118可以是任意的小型泵或微型泵，该泵是生物相容的并适合于保持或抽吸足够的治疗真空度。优选地，可获得在大约75mmHg到大约125mmHg范围内的真空度。真空源或泵118可以是隔膜泵、蠕动泵或膜盒式泵等，其中运动部件通过在伤口敷料100产生压力减小的区域，如真空区域，从而将伤口床“w”的渗出物吸到伤口敷料102中。这一压力减小的区域优选和伤口床“w”连通，以便将流体从那里移到吸收性或非吸收性的填塞部件110中。真空源或泵118由致动器120致动，所述致动器可以是现有技术中任何已知的装置，包括例如AC电机、DC电机、音圈电机(voice coil actuator)、螺线管等。致动器120可以结合在泵118中。
电源122可以被设置在壳体116内或单独安装在壳体116上。合适的电源122包括碱性电池、湿电池、干电池、镍镉电池、太阳能发电装置、锂电池、NiMH电池(镍金属氢化物)，每种电池都可以是一次性的或可充电的。
负压装置的附加组件可以包括压力传感器124和管理或控制装置126，其中压力传感器用来监视邻近真空源或泵118的压力或远离泵118的选定位置的压力。控制装置126可以结合一个电机控制器/驱动器128，该控制器包括处理和驱动电路，用于响应压力传感器124检测到的压力来控制或改变真空源或泵118的电机的驱动电压。真空源118的电机输出受到控制装置126的控制，从而可以增大或减小，或者启动或停止。如果没有获得最理想的负压压力的话，压力传感器124也会提供信息以帮助检测伤口治疗系统100的泄漏。管理或控制装置126也可以具有一个警报，如可视的、音频的或触觉的警报(例如振动等)，以便在满足特定条件(例如预期的真空度或真空度不足)时给使用者以指示。压力传感器124可以被任何其它类型的用于测量或探测伤口床“w”的特性或状态的传感器或探测器所替代或补充。另外预期可使用的传感器包括热传感器、细菌传感器、氧气传感器、湿气传感器等，这些传感器将为临床医生提供附加的诊断信息。
再次参考图1，伤口治疗系统100进一步包括收集罐132，其收集在治疗期间通过管路106从伤口“w”移除的渗出物。收集罐132优选和壳体116相关联并可以结合在壳体116内或利用传统的方法可拆卸地连接于壳体116。收集罐132基本上是刚性的并限定一个和管路106流体连通的腔。作为一个可选方案，收集罐132可以包括一个挠性单元，该单元容纳在壳体116内并可以被移除，以有利于清除伤口流体。
在图1的负压装置104中，真空源或泵118、电机120、压力传感器124和控制装置126结合在壳体116内。压力传感器124也可以从微型泵118的壳体中移开，例如邻近填塞部件110位于从壳体120移开的位置并通过电连接连接到控制装置126。电源122可以结合在壳体116内或通过传统的方法可拆卸地连接在壳体116上。
在负压装置104a的实施例中，负压装置104a用于一次使用的应用，即负压装置104a在预定时间后被丢弃。这一时间可以是大约一天到大约七天或更长的时间变化。所设想的一个应用是三天的时间间隔。因此，治疗三天后整个负压装置104a包括其组件(真空源或泵118、致动器或电机120、电源122、压力传感器124和控制装置126)，还有伤口敷料102、收集罐132和管路106都被丢弃。在负压装置104b的实施例中，除了电源122以外的全部组件(真空源或泵118、致动器或电机120、压力传感器124、控制装置126和收集罐132)在使用预定时间后，如从大约一天到大约七天后被丢弃。在这方面，电源122具有更长的使用寿命，如大约二十到大约四十天的预定时间或者更常见的是大约三十天时间。因此，电源122可以如图1所示可拆卸地安装在壳体上，并在随后的应用中与新组件一起再次连接到新的壳体部件116上。本领域技术人员可以想到任何将安装电源122可拆卸地到壳体上的方式。电源122可以是可充电的。
在负压装置104c的实施例中，电子组件将有更长的预期寿命，例如大约二十到大约四十天时间，更常见的是大约三十天。因此，这些组件可以在收集罐132、伤口敷料102和管路106被丢弃后用于随后的应用。
现在参考图3A，这里示出了一个身体支撑袋134，用于支撑至少一个负压装置104和至少一个罐132。如前面所述，本公开的伤口治疗系统100是适于安装在患者身上的，以便形成一个自持装置。在这方面，负压泵装置和罐可以至少部分地由身体支撑袋134携带或支撑。身体支撑袋134通常包括一个袋子136和至少一个绑带(strap)138，优选有两条绑带用来将袋子136紧固在患者身上。身体支撑袋134用于接纳和存放至少负压泵装置104和收集罐132。身体支撑袋134可以例如用一个皮带襻佩戴在患者的腰上。这是理想的，因为它可以根据伤口的位置减小所需管路的长度。另外，袋子136可以定位在邻近病人腹部的位置，这样可以显著的提高系统的隐蔽性。管路106可以用带子、绑带或类似物固定在身体上，或者可选地可以不固定地设置在患者的衣服下面。因此，身体支撑袋134允许患者不受拘束或限制地运动，并在伤口引流和愈合期间提供完全的便携性能。
图3B示出了身体支撑袋的一个可选的实施例。根据这个实施例，身体支撑袋140适于安装在患者的肩上并具有一个袋子142。在其它方面，身体支撑袋140的功能和图3中的身体支撑袋类似。
图4示出了一种取消身体支撑袋134、140的布置。在此布置中，皮带144通过常规的方式如滑动扣环连接于壳体114，以允许壳体114相对于皮带144滑动，或者作为可选方案，皮带144可以直接固定在壳体114上。还可以预见多种皮带的布置。
在使用中，伤口敷料放置在如图1中所示的邻近伤口床“w”的位置。然后负压装置104被致动，在伤口敷料102内产生一个减小的压力环境。随着泵吸的进行，渗出物被收集并引导到收集罐132中。当真空源或泵118被致动并设定了特定的预设点，泵118将开始抽吸压力直到压力达到到预设点。泵的真空读数将维持在此水平直到预设点发生改变、泵被关闭或者系统中产生严重的泄漏这影响泵无法继续维持预设点的真空度。负压治疗可以是连续的，也可以是间歇的。
图5A-5C示出了本公开的伤口治疗系统200的一些可选实施例。根据这些实施例，收集容器202从壳体204上被移除并设置在伤口敷料206和负压装置208之间的管线(line)上。可以设想许多不同的容器202。在一个实施例中，容器202是相对挠性和可膨胀的，并限定一个收集渗出物的腔。因此，随着渗出物被接纳在容器202中，容器202膨胀以容纳大量的渗出物。容器202可以包括多个腔。在图5A-5C和图6-7所示的一个实施例中，容器202包括多个沟槽或收集通道210，它们相互之间流体连通。沟槽210可以如图所示并排布置，从而限定一个大致正弦形的布置。容器202在腔或收集通道210内可以包括超吸收性材料，如超吸收聚合物或凝胶，即能够吸收数倍于自身重量的液体的聚合物。可以将控制细菌生长的抗菌剂加入容器202。使用这种聚合物将显著提高吸收能力和增加容器202内所能容纳的渗出物。容器202也可以在邻近通向泵或壳体204的出口处包括一个过滤膜212，以便使通向泵的渗出物最少。合适的过滤膜212包括膜过滤器，该膜过滤器结合了具有特定孔隙率的聚合物膜。这样的聚合物膜可以包括硝化纤维、乙酸纤维素、亲水的PTFE、疏水的PTFE、尼龙、聚碳酸酯。图5A示出了移除一部分的容器202，显示了过滤膜212的位置。渗出物的流体流动以方向箭头214表示。
图8示出了一个可选的布置，其中沟槽210在容器202内沿着沟槽210的主要部分延伸呈大致平行的布置。沟槽210与入口和出口真空管道216、218连通，入口和出口真空管道分别和伤口敷料102和泵118相连通。可以加入非吸收性材料。该非吸收性材料可以包括丝束、毡或泡沫。
容器202可以通过如图3-4所示的身体支撑袋支撑。可选地，如图9所示，容器202可以通过常规的方式直接固定在受治疗者身体上，所述常规方式包括使用外科用带子220或腿绑带(松紧带)。容器202可以固定在腿部区域、腹部区域、背部区域或身体上任何不显眼的位置或者在伤口敷料上或附近。
在图5A的实施例中，容器202、伤口敷料206和管路222在预定时间后将要被替换，这一预定时间在大约一天到大约七天之间，更常见的是大约三天。包括真空源或泵、致动器或电机、电源、压力传感器、控制装置(与上文中提到的相应部件类似)的负压装置104d可以用于更长的使用寿命，例如大约二十天到大约四十天，更常见的是大约三十天。因此，每经过例如三天的时间，容器202、管路222和伤口敷料202被丢弃并用新的组件替换，以连接到负压装置。在图5B的实施例中，容器202、管路222和伤口敷料206将如上文中提到实施例5A的相关组件一样被替换。类似地，负压装置的组件也将以类似的方式被替换。但是，负压装置104e是一个更先进的系统，并可以包括一个由音圈电机操作的双隔膜泵。无源隔音性能，如减少噪音水平的泡沫隔音材料也可以结合在壳体中。在图5C的实施例中，容器202、管路222和伤口敷料206以及真空源或泵和传感器在经过大约一天到大约七天，或大约三天的较短时间里被丢弃。电源、致动器或电机、和控制装置可以和替换早先被丢弃的构件的新构件一起重新使用。
虽然通过图示和叙述公开了本发明的内容，但是本发明并不限于公开的细节，因为可能会产生不脱离本发明精神的不同改变和等效替换。鉴于此种情况，对于本领域人员来说，利用常规的实验手段可对本发明作更进一步的改变和等效发明，所有这些改变和等效发明应视为在本发明中所限定的保护范围之内。

Claims (17)

1.一种关于使外科伤口愈合的用于负压治疗的便携式系统，该便携式系统包括：
伤口敷料，其尺寸适于相对于受治疗者的伤口床定位，所述伤口敷料包括用于包围所述伤口床的周边的伤口覆盖物和在所述伤口覆盖物下面的填塞部件，所述填塞部件包括多个呈丝束布置的纤维，适于有助于将渗出物传送出所述伤口床；
尺寸适于由受治疗者携带或佩戴的便携式负压装置，该便携式负压装置包括：
壳体；
设置在壳体内并与伤口敷料流体连通的负压源，其用于给伤口敷料提供负压；
安装在壳体上或壳体内的电源，其用于提供电力以致动负压源；和
容器，其用于收集来自伤口床的渗出物，所述渗出物在由负压源提供的负压作用下被移除。
2.根据权利要求1所述的便携式系统，其中所述负压源包括泵部件和用于致动泵部件的致动器。
3.根据权利要求2所述的便携式系统，其中所述泵部件选自隔膜泵、双隔膜泵、膜盒式泵和蠕动泵组成的组。
4.根据权利要求2所述的便携式系统，其中所述致动器安装在壳体上。
5.根据权利要求4所述的便携式系统，其中所述致动器选自AC电机、DC电机、音圈电机和螺线管组成的组。
6.根据权利要求1所述的便携式系统，其中所述容器安装在壳体上或壳体内。
7.根据权利要求1所述的便携式系统，其中所述容器是相对挠性的。
8.根据权利要求7所述的便携式系统，其中所述挠性容器的尺寸适于由患者佩戴。
9.根据权利要求8所述的便携式系统，其中所述挠性容器包括至少一个限定在其中的用于容纳渗出物的收集通道。
10.根据权利要求9所述的便携式系统，其中所述挠性容器包括多个用于容纳渗出物的收集通道。
11.根据权利要求10所述的便携式系统，其中所述多个收集通道限定蜿蜒形布置。
12.根据权利要求1所述的便携式系统，其中所述便携式负压装置适于在一次使用后被丢弃。
13.根据权利要求1所述的便携式系统，其中所述电源相对于壳体可拆卸地安装并用于在负压源被丢弃后重新使用。
14.根据权利要求1所述的便携式系统，其中所述伤口敷料包括用于紧靠伤口床定位的伤口接触部件。
15.根据权利要求14所述的便携式系统，其中所述伤口接触部件包括允许渗出物通过的多孔部分。
16.根据权利要求15所述的便携式系统，其中所述伤口接触部件基本上不与伤口床粘连。
17.根据权利要求14所述的便携式系统，其中所述伤口覆盖物适于允许湿气通过。
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