CN102844055A - 采用一种聚合、多孔、疏水材料的减压源、***以及方法 - Google Patents

采用一种聚合、多孔、疏水材料的减压源、***以及方法 Download PDF

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CN102844055A
CN102844055A CN2011800157464A CN201180015746A CN102844055A CN 102844055 A CN102844055 A CN 102844055A CN 2011800157464 A CN2011800157464 A CN 2011800157464A CN 201180015746 A CN201180015746 A CN 201180015746A CN 102844055 A CN102844055 A CN 102844055A
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polymerization
hydrophobic material
enclosed member
micropump
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CN102844055B (zh
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克里斯托佛·布赖恩·洛克
蒂莫西·马克·罗宾逊
理查德·丹尼尔·约翰·库特哈德
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Shuwanuo Intellectual Property Co
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Abstract

减压源、***、以及方法包括使用一种布置在密封空间内的真空泵以产生减压。来自该真空泵的排气是通过在密封构件中的多个孔隙从该密封空间排出的。在此披露了其他装置、***和方法。

Description

采用一种聚合、多孔、疏水材料的减压源、***以及方法
相关申请
在35USC§119(e)下,本发明要求2010年6月28日提交的名称为“蒸发性体液容器和方法”的美国临时专利申请序号61/359,205的权益,出于所有目的将该申请通过引用结合在此;2010年4月16日提交的名称为“采用一种聚合、多孔、疏水材料的减压源、***以及方法”的美国临时专利申请序号61/325,115的权益,出于所有目的将该申请通过引用结合在此;以及2010年6月28日提交的名称为“用于处理患者身上的组织部位的敷料和方法”的美国临时专利申请序号61/359,181的权益,出于所有目的将该申请通过引用结合在此。
背景技术
本披露总体上涉及减压医学治疗***,并且更具体而言,但不限于减压源、***以及方法。
临床研究和实践已经显示,对组织部位附近提供减压增进并加速在组织部位的新组织生长。这种现象的应用很多,但减压的应用已在伤口处理方面特别成功。这种处理(经常在医学界称为“负压创面疗法”、“减压疗法”或“真空疗法”)提供了许多益处,包括较快的愈合和肉芽组织形成的增加。典型地,减压通过一种多孔垫或其他歧管装置而施加于组织。多孔垫将减压分配到组织以及从组织汲取的通道流体。
概述
根据一个说明性实施方案,一种减压源与减压***一起使用,用于处理患者身上的组织部位,该减压源包括至少部分地形成一个密封空间的闭合构件以及布置在该密封空间之内的真空泵。该减压源还包括一个减压出口,该减压出口流体连接至该真空泵,用于递送减压;并且包括一个排气口,该排气口流体连接至该真空泵,用于将来自该真空泵的排出气体递送到该密封空间。该闭合构件包括一种聚合、多孔、疏水材料,用于允许该排出气体退出该密封空间。
根据另一个说明性实施方案,用减压处理患者身上的组织部位的***包括:一个治疗歧管,该治疗歧管紧邻组织部位而放置,用于将减压分配至组织部位;一个减压源,该减压源流体连接至该治疗歧管,用于将减压提供至该治疗歧管;以及一个密封构件,该密封构件用于在组织部位之上形成一个流体密封。该减压源包括至少部分地形成一个密封空间的密封构件并且包括布置在该密封空间中的真空泵。该减压源还包括一个减压出口,该减压出口流体连接至该真空泵,用于递送减压;以及一个排气口,该排气口流体连接至该真空泵,用于将来自该真空泵的排出气体递送到该密封空间。其中该闭合构件包括一种聚合、多孔、疏水材料,用于允许该排出气体退出该密封空间。
根据另一个说明性实施方案,产生与用于处理患者身上的组织部位的减压***一起使用的减压的方法包括形成一个密封空间以及在密封空间之内布置一个真空泵。该密封空间的至少一部分是由一个闭合构件形成的,该闭合构件包括一种聚合、多孔、疏水材料。该真空泵包括一个减压出口和一个排气口。该闭合构件允许该排出气体退出该密封空间。该方法进一步包括通过该闭合构件基本上从该密封空间排出该排出气体并且将该减压递送至一个所希望的位置。
根据另一个说明性实施方案,一种制造与用于处理患者身上的组织部位的减压***一起使用的减压源的方法,该方法包括形成至少部分地围绕一个密封空间的闭合构件以及在该密封空间之内布置一个真空泵。该真空泵包括一个减压出口,该减压出口流体连接至该真空泵,用于递送减压;以及一个排气出口,该排气出口流体连接至该真空泵,用于将来自该真空泵的排出气体递送到该密封空间。形成一个闭合构件的步骤包括由聚合、多孔、疏水材料形成一个闭合构件,该材料允许排出气体退出该密封空间。
根据另一个说明性实施方案,一种用减压处理患者身上的组织部位的敷料包括一个治疗歧管,该治疗歧管用于紧邻组织部位而放置;一个吸收层,该吸收层用于接收并且保留来自组织部位的流体;以及一个微型泵,该微型泵具有一个排气口。该微型泵产生减压以及流出该排气口的一种排气。该敷料进一步包括一个闭合盖件,该闭合盖件覆盖该治疗歧管、该吸收层以及该微型泵。该闭合盖件形成一个密封空间。该闭合盖件的至少一部分是由一种聚合、多孔、疏水材料形成的,该材料允许该排气流出该密封空间。
根据另一个说明性实施方案,一种用于处理患者身上的组织部位的方法包括:将一个治疗歧管紧邻组织部位而放置;将一个吸收层布置在该治疗歧管之上,用于接收来自组织部位的流体;并且将一个微型泵流体连接至该吸收层;该方法进一步包括用一个闭合盖件覆盖该治疗歧管、吸收层以及微型泵以便形成一个密封空间;该密封空间具有一个第一部分和一个第二部分。该微型泵包括一个排气口以及一个减压出口。该密封空间的第一部分流体连接至该微型泵并且接收来自该排气口的排气。该密封空间的第二部分流体连接至微型泵并且接收减压。该闭合盖件的至少一部分是由一种聚合、多孔、疏水材料形成的,该材料允许该排气流出该密封空间的第一部分。该方法还包括起动该微型泵以产生减压和排气,并且允许来自该微型泵的排气通过该闭合盖件退出该密封空间。
通过参考以下附图和详细说明,这些说明性实施方案的其他特征和优点将变得明显。
附图简要说明
图1是采用减压源的减压治疗***的一个说明性实施方案的示意图,其中一部分以横截面的形式显示;
图2是显示了图1的减压源的一个说明性实施方案的背面的示意性透视图;
图3是一个减压源的一个说明性实施方案的示意图;
图4是一个减压源的一个说明性实施方案的示意性正视图;
图5是显示为敷料的一部分的一个减压源的另一个说明性实施方案的示意性正视图;
图6是图5的减压源的一部分的示意性截面图。
说明性实施方案的详细说明
在以下说明性实施方案的详细说明中,参考了形成本文的一部分的附图。这些实施方案以足够的细节进行了说明以便使得本领域的普通技术人员可以实施本发明,并且应当理解的是能够利用其他实施方案并且可以作出合乎逻辑的、结构的、机械的、电力的、和化学的改变而不背离本发明的精神或范围。为了避免本领域的普通技术人员实施对于在此说明的这些实施方案的不必要的细节,该说明可能忽略本领域的普通技术人员已知的某些信息。因此以下详细说明不应当被理解为限制性的意义,并且这些说明性实施方案的范围仅仅由所附的权利要求书限定。
根据一个说明性实施方案,提供的减压源140、240、340、440基本上是不透液体的,使得在减压源140、240、340、440的外部的液体不能进入减压源140、240、340、440,但是多种气体或蒸汽能够退出减压源140、240、340、440。这样,使用者可以从事涉及液体的活动,例如,淋浴或流汗运动(sweat-producing exercise),而没有液体进入减压源140、240、340、440的可能。
现在参考这些附图并且主要参考图1,呈现了用于处理一个组织部位104(例如一个伤口102)的减压治疗***100的一个说明性实施方案。伤口102可以位于伤口床的中心。伤口102可以穿过或累及表皮103、真皮105、以及皮下组织107。减压治疗***100还可以用在其他组织部位。组织部位104可以是任何人类、动物、或者其他生物的身体组织,包括骨组织、脂肪组织、肌肉组织、皮肤组织、血管组织、***、软骨、肌腱、韧带、或者任何其他组织。如在此所使用的,除非另外指明,“或”不需要相互排除。
减压治疗***100包括治疗歧管108。另外,减压治疗***100包括密封构件111和减压子***113。减压子***113包括减压源140,该减压源140是密封的以阻止液体进入并且仍然允许气体(典型地,空气)排出而不需要孔口(即,一个肉眼可见的孔口),如将在以下进一步所述。
在一个说明性实施方案中,治疗歧管108是由一种多孔的并且可渗透的泡沫或泡沫样材料,并且更具体而言,一种网状开孔聚氨酯或聚醚泡沫,同时这种泡沫在减压下允许良好的伤口流体通透性。已经使用的一种这种泡沫材料是
Figure BDA00002187440700061
敷料,可以获自德克萨斯州的圣安东尼奥的动力学概念公司(Kinetic Concepts,Inc.)(KCI)。任何材料或材料组合可以用于歧管材料,前提是该歧管材料被适配成分配减压。如在此所使用的,术语“歧管”通常是指被提供用于帮助将减压施加至一个组织部位(递送流体至组织部位或将流体从组织部位去除)的一种物质或结构。一个歧管典型地包括多个流动通道或通路。多个流动通道可以相互连接以改进提供到该歧管周围组织区域或从其去除的流体的分配。歧管的实例可以包括,但不限于,具有被排列为形成流动通道的结构元件的装置,例如多孔状泡沫、开孔泡沫、多孔组织集合、以及液体、凝胶、以及包括或加工成包括流动通道的泡沫。
密封构件111覆盖治疗歧管108并延伸超过治疗歧管108的外周边缘114以形成一个密封构件延伸部分116。密封构件延伸部分116具有第一侧118和第二面向患者侧120。密封构件延伸部分116可以通过一个密封器具124(例如一种压敏胶粘剂126)密封抵靠在表皮103上或者抵靠在一个垫圈或布单上。密封器具124可以采取多种形式,如一种胶粘密封带,或者布单带或条;双面布单带;压敏胶粘剂126;糊剂;水胶体;水凝胶;或者其他密封装置。如果使用一种带子,可以用预先施用的压敏胶粘剂由与密封构件111相同的材料形成这种带子。压敏胶粘剂126可以施用在密封构件延伸部分116的第二面向患者侧120上。压敏胶粘剂126提供了在密封构件111与表皮103之间的实质性流体密封,如在此所使用的,该压敏胶粘剂也被认为包括抵靠表皮103的一个垫圈或布单。在密封构件111固定至表皮103之前,可以去除覆盖该压敏胶粘剂126的可去除条。如在此所使用的,“流体密封”表示足以保持在一个所希望的部位的减压的密封,前提是涉及特定的减压源或子***。
密封构件111可以是一种弹性体材料或提供流体密封的任何材料或物质。“弹性体的”表示具有弹性体的特性并且通常是指一种具有橡胶样特性的聚合物材料。更确切地说,大多数弹性体具有大于100%的极限伸长和一个显著的回弹量。材料的回弹是指材料从弹性变形恢复的能力。弹性体的实例可以包括,但不限于,天然橡胶、聚异戊二烯、丁苯橡胶、氯丁二烯橡胶、聚丁二烯、丁腈橡胶、丁基橡胶、乙丙橡胶、乙烯丙烯二烯单体、氯磺化聚乙烯、聚硫橡胶、聚氨酯、EVA膜、共聚酯和硅酮类。另外还有,密封构件材料可以包括一种硅酮布单、3M
Figure BDA00002187440700071
布单、丙烯酸布单,例如可以获自艾利丹尼森公司(Avery Dennison)的一种布单。
减压子***113包括减压源140,可以采取许多不同的形式。减压源140提供减压,作为减压治疗***100的一部分。如在此所使用的,“减压”通常是指正在经受治疗的在组织部位104处的小于环境压力的一个压力。在大多数情况下,这个减压小于患者所在位置的大气压。可替代地,该减压可以小于组织部位处的流体静压。减压可以最初产生在治疗歧管108、减压递送导管144中以及邻近组织部位104的流体流动。由于在组织部位104周围的流体静压接近所希望的减压,流动可能会减弱,而减压可以被保持。除非另外说明,在此陈述的压力值是表压。
所递送的减压可以是恒定的或变化的(模式化的或者随机的)并且可以持续或间断递送。与在此所使用的一致,减压或真空压力的增加典型地指绝对压力的相对降低。
减压源140被显示为具有一个贮器区域142、或罐区域。一个***的膜滤器,例如疏水过滤器或疏油过滤器(oleophobic filter),可以分散在减压递送导管144、或管道以及减压源140之间。减压递送导管144的一部分146可以具有一种或多种装置,例如一种代表性装置148。代表性装置148可以是,例如一个容纳渗出物和其他去除的流体的流体贮器、压力反馈装置、容积检测***、血液检测***、感染检测***、流量监测***、或温度监测***。可以包括多个串联或并联的代表性装置148。例如,一个第二代表性装置110可以包括在减压递送导管144的一部分138上。一些这样的装置可以与减压源140一体形成。例如,减压源140上的一个减压端口141可以包括一个过滤器构件,该过滤器构件包括一个或多个过滤器,例如,一个气味过滤器。
减压源140可以是用于供给减压的任何装置,如一个便携式治疗装置、固定的治疗装置、或其他装置。虽然施加于组织部位的减压的量和性质将典型地根据用途而变化,该减压典型地将在-5mm Hg(-667Pa)与-500mm Hg(-66.7kPa)之间并且更典型地在-75mm Hg(-9.9kPa)与-300mm Hg(-39.9kPa)之间。例如,但并非为了限制,该压力可以是-12、-12.5、-13、-14、-14.5、-15、-15.5、-16、-16.5、-17、-17.5、-18、-18.5、-19、-19.5、-20、-20.5、-21、-21.5、-22、-22.5、-23、-23.5、-24、-24.5、-25、-25.5、-26、-26.5kPa或另外的压力。
由减压源140产生的减压144是通过减压递送导管递送至减压接口150,减压接口150可以包含肘型端口152。在一个说明性实施方案中,肘型端口152是可以获自德克萨斯州的圣安东尼奥的动力学概念公司(Kinetic Concepts,Inc.)的一种
Figure BDA00002187440700081
技术端口。减压接口150允许减压通过密封构件111递送至治疗歧管108、以及密封空间154、或密封治疗空间,治疗歧管108位于在此空间中。在这个说明性实施方案中,减压接口150延伸通过密封构件111并且进入治疗歧管108。
在根据一个说明性实施方案的操作中,将治疗歧管108邻近组织部位104(例如,在伤口102上的伤口床中)而放置,其中一部分接近伤口边缘109。将密封构件111放置在组织部位104和治疗歧管108之上并且至少部分地抵靠表皮103(垫圈或布单)以形成一个流体密封和密封空间154。如果还没有安装,则将减压接口150安装。减压递送导管144流体连接至减压接口150和减压源140上,由此可以将减压提供给治疗歧管108。可以起动减压源140以便开始将减压递送至在密封空间154中的治疗歧管108。
现在主要参考图1和图2,减压源140是防水的或抗水的并且使用一个密封空间(未清楚显示)。该密封空间可以是由两个室或区域形成:一个室用于正压,一个室用于减压。减压室可以是在第一室中的一个或多个导管(例如,在图3中的导管268、244)。该密封空间形成在泵壳体156之内。泵壳体156是由闭合构件158形成的或包括闭合构件158。闭合构件158是由一种聚合、多孔、疏水材料形成的。泵壳体156可以是完全使用闭合构件158形成或闭合构件158可以仅仅形成泵壳体156的一部分。
一个真空泵(未显示)布置在该密封空间之内。当在压力下时,该聚合、多孔、疏水材料允许排出气体从密封空间之内的真空泵退出而不允许流体流入。该聚合、多孔、疏水材料允许该排出气体退出该密封空间而不需要一个排气孔,而是替代地利用了该材料的孔隙和特性。由箭头160代表退出闭合构件158的排出气体。该密封空间还起作用使减压源140从泵壳体的外部的角度在一个更低的分贝水平下运行。该真空泵可以具有一个与该真空泵相关联的导管,该导管通过密封空间将来自真空泵的减压递送至一个减压出口(未示出),该减压出口流体连接至减压端口141。
该聚合、多孔、疏水材料可以是任何聚合物材料,该材料允许排出气体通过该材料退出并且阻止流体进入该密封空间。该聚合、多孔、疏水材料是多孔的,因此在第一种情况下它允许气体通过它的孔隙。由于表面张力效应,该聚合物的疏水性质将阻塞实质上含水的液体通过这些孔隙的通道。
存在着描述推动一种具有某个表面张力的液体通过具有给定孔径的孔口所需要的压力(这个压力有时候被称为“突破压力”)与具有给定表面能的材料之间的一种关系。例如,为了产生用于水通过一个孔隙的一个给定突破压力,可以用一种大孔的低表面能量材料、或一种小孔的高表面能量材料来实现。下面的方程式可以用来描述这种关系:
Figure BDA00002187440700091
Figure BDA00002187440700092
其中P=突破压力;θ=液体与孔材料之间的接触角(是接触表面的表面能量与接触液体的表面张力的函数);σ=接触液体的表面张力;以及r=孔隙的半径。在一个实施方案中,突破压力是这样的,它使得液体对于所涉及的压力范围不能突破。因此,气体可以退出,而液体不可以退出。
在一个实施方案中,该聚合、多孔、疏水材料是由疏水性烧结聚合物形成的,该疏水性烧结聚合物是多孔的并且是气体可透过的。可以使用能够制成颗粒的大多数聚合物,例如,聚烯烃(如聚乙烯、以及聚丙烯)、聚胺类、聚乙烯乙酸乙烯酯、聚氯乙烯、苯乙烯类(例如,聚苯乙烯以及包含苯乙烯丙烯酸酯的共聚物)、或聚四氟乙烯。该聚合、多孔、疏水材料可以是疏水的、纺粘的高密度聚乙烯纤维或材料,例如来自特拉华州的杜邦以及威明顿集团公司(E.I.Du Pont De Nemours and CompanyCorporation of Wilmington,Delaware)的一种
Figure BDA00002187440700101
材料。
该聚合、多孔、疏水材料还可以用疏水键合的多孔纤维形成的。该聚合、多孔、疏水材料还可以通过用一种亲水材料起始并且用等离子处理来处理该材料使该材料变得疏水而形成。同样,可以使用例如用一个激光器通过钻微孔(1微米或亚微米)使之成为多孔的一种坚硬聚合物。如果还不是疏水的,可以用等离子对该钻孔聚合物进行处理。另外,可以将气味吸收材料加入到该聚合、多孔、疏水材料中,从而在排出气体退出时帮助去除气味。该气味吸收材料可以是,例如,木炭、粘土(如膨润土、多孔硅、沸石类、以及矾土)、或含有木炭或活性碳的基底和支架,例如聚合物网和膜。可以加入其他物质,如抗微生物剂、银、或染料。
泵壳体156可以完全通过使用该聚合、多孔、疏水材料的注射成型、或传递成型、或压缩成型、或转动成型、或热成型(真空成型)的方式而形成。在另一个实施方案中,泵壳体156可以形成有:由该聚合、多孔、疏水材料形成的第一部分或密封构件158以及由具有比该聚合、多孔、疏水材料更大的刚性的一种聚合物或其他材料形成的第二部分。正如以下将进一步描述的,在一些实施方案中的泵壳体156还可以是一个敷料覆盖物。如果希望的话,泵壳体156可以制成是柔性的并且是半透明的。该半透明部分允许在密封空间中所发生的情况的视觉反馈。通过在该聚合、多孔、疏水材料中包含一种液体敏感性染料或涂覆该聚合、多孔、疏水材料,可以使液体敏感性染料与泵壳体156相结合。当该液体敏感性染料变湿时改变颜色并且因此用作一个泄漏指示器。
虽然图1和图2显示了该聚合、多孔、疏水材料,该材料在泵壳体156上用作闭合构件158,应当理解的是取决于所希望的应用,闭合构件158可以用作泵壳体156、一个通风孔盖板、或一个敷料覆盖物。对于在图1中所示的说明性实施方案中是便携的减压源140,密封空间基本上是不透液体的,因此,佩戴者可以从事经受外部上的流体的活动,例如进行淋浴,而不会有流体进入减压源140。
现在主要参考图3,呈现了减压源240的示意图,减压源240移除了一部分,从而允许在密封空间262中的多个部件是可见的。减压源240具有一个泵壳体256。泵壳体256可以完全或部分由一个闭合构件258形成。泵壳体256形成了密封空间262。因此,密封空间262可以部分地或完全由闭合构件258形成。密封空间262是密封的以阻止或禁止液体(例如水)的流入并且还禁止颗粒物(例如灰尘)的进入。
真空泵264,可以包括用于产生减压的任何装置,被布置在密封空间262之内。真空泵264具有一个减压出口266,该出口流体连接至真空泵264并且从真空泵264释放出减压269。在这个实施方案中,减压出口266流体连接至一个输送导管268,该输送导管是第二室。输送导管268将该减压递送至一个罐270中。罐270是用于接收并且保留流体,如渗出物。罐270流体连接至减压递送导管244。真空泵264还具有一个排气口272,该排气口释放来自真空泵264的排气274或排出气体274。减压递送导管244将减压269递送至另一个位置,如一个组织部位,并且典型地接收流体276。
排气274被递送至密封空间262。随着排出气体274增加在密封空间262内的压力,排出气体274通过闭合构件258移动,如由箭头260所示,而没有排气孔。闭合构件258是由与图1-2中的闭合构件158相同的材料并且以相同的各种方式制成的。因此,排气274通过密封构件258中的多个孔隙退出。
现在主要参考图4,呈现了减压源340的另一个说明性实施方案。在大多数方面,减压源340与图3的减压源240是相似的,并且为了显示相应的部件,这些参考号已经由100表示。因此,减压源340具有形成一个密封空间的泵壳体356(未清楚显示),在该密封空间中布置了一个真空泵(未显示)。
在这个实施方案中,泵壳体356的一部分是一个包括一个通风孔盖板378的闭合构件358,该通风孔盖板是气体可透过的。泵壳体356的其他部分可以不是气体可透过的。通风孔盖板378是由与闭合构件相同种类的材料制成的并且可以被认为是一个闭合构件(例如,图1的闭合构件158)。通风孔盖板378被适配成允许排出气体360退出该密封空间而不允许液体进入并且不需要一个排气孔。通风孔盖板378的尺寸取决于穿过通风孔盖板378的所希望的气体流速。减压369是通过一个减压递送导管344递送的。流体376也可以由减压递送导管344接收。
在形成通风孔盖板378和泵壳体356时,聚合、多孔、疏水材料的一个层压构件形成在通风孔盖板378中。然后通风孔盖板378可以被包覆成型以形成泵壳体356。这产生了通风孔盖板378以允许排出气体退出该密封空间。该通风孔盖板的尺寸将由来自密封空间的排出气体的适当流速的需要而确定。
根据一个说明性实施方案,泵壳体356和通风孔盖板378是通过以一个过滤块或一种过滤材料的层压板起始,然后包覆成型(例如,在注射成型过程中在过滤块周围成型)而形成的。可替代地,可以使用一个液体或压力敏感的片状胶粘剂或以别的方式将过滤块或层压板粘结在适当位置。
现在主要参考图5至图6,呈现了减压源440的另一个说明性实施方案。将减压源440结合到敷料401中,该敷料放置在组织部位404(例如伤口402)上。敷料401包括一个治疗歧管408和一个密封层415。包含一个微型泵464以便将减压469提供至治疗歧管408和组织部位404。
微型泵464可以包括在一个小空间中产生减压的一个压电盘泵(piezoelectric disc pump)、隔膜泵、活塞泵、蠕动泵、或其他装置。敷料401可以包括许多个层。例如,敷料401可以包括一个吸收层471,该吸收层递送或帮助递送减压并且接受和保留流体,并且可以包括一个液体气体分离器473,该液体气体分离器定位在吸收层471与微型泵464之间以禁止液体进入微型泵464。可以将分流层475布置在吸收层471与微型泵464之间,该分流层可以包括多个孔口(未显示),用于将来自微型泵464的减压传输至吸收层471。微型泵464还可包括一个或多个电池以及控制器(未显示)。
可以在微型泵464的一部分、密封层415、以及患者的表皮403的一部分上部署密封构件411。密封构件411在微型泵464的一部分上可以具有一个中心孔口417。如同其他构件一样,闭合盖件458可以是柔性的或半柔性的,布置在中心孔口417和密封构件411的一部分上,以便产生一个密封空间462。密封空间462可以具有两个部分:微型泵464上方(显示取向)的第一部分491和在微型泵464下方(显示取向)的第二部分493。第一部分491流体连接至微型泵464并且接受来自微型泵464的排气口495的排气。第一部分493流体连接至微型泵464并且接受来自微型泵464的减压。该闭合盖件458的至少一部分是由一种聚合、多孔、疏水材料形成的,该材料允许该排气流出该密封空间462的第一部分。即,闭合盖件458,或闭合盖件458的至少一部分,是由与先前提到的闭合构件158、258、358相同的材料形成的,例如,一种聚合、多孔、疏水材料。
中心孔口417允许排气474从排气口472退出密封构件411并且撞击在闭合盖件458上,在这个实施方案中该排气口是在微型泵464的表面上。随着压力上升,排出气体474通过闭合构件458的聚合、多孔、疏水材料而退出。由微型泵464去除的流体可以被储存在敷料401的吸收层471中。在另一个实施方案中,闭合构件458可以只包括在吸收层471和微型泵464之上的盖件的一部分,并且在这个实施方案中,闭合构件458至少覆盖中心孔口417。在一个可替代的实施方案中,闭合构件411可以包括密封构件458。
虽然已经在某些说明性实施方案的上下文中披露了本发明及其优点,应当理解的是可以作出不同的改变、替换、变换和变更,而不脱离如所附的权利要求书所限定的本发明的范围。
应当理解的是,以上说明的益处和优点可以涉及一个实施方案或可以涉及若干实施方案。应当进一步理解的是,提及“一个/一种”元件是指这些元件的一个/一种或多个/多种。
在此所述的方法的步骤可以按任何适合的顺序进行,或在适当情况下同时进行。
在适当情况下,任何以上所述的实例的方面可以与任何所述的其他实例的方面相组合,从而形成具有可比较的特性或不同特性的并且着手解决同样或不同问题的其他实例。
应当理解的是,以上优选实施方案的说明仅仅是通过举例而给出的,并且本领域的普通技术人员可以作出不同的修改。以上说明书、实例以及数据提供了本发明的示例性实施方案的结构和用途的完整说明。虽然以一定的详细程度或参考一个或多个单独的实施方案已经说明了本发明的不同实施方案,本领域的普通技术人员能够针对所披露的实施方案做出许多变更,而不背离权利要求书的范围。

Claims (53)

1.一种减压源,用于与一种减压***一起使用,用于处理患者身上的组织部位,该减压源包括:
一个泵壳体,该泵壳体形成一个密封空间,其中一个闭合构件形成该泵壳体的至少一部分;
一个真空泵,该真空泵布置在该密封空间之内;
一个减压出口,该减压出口流体连接至该真空泵,用于递送减压;
一个排气口,该排气口流体连接至该真空泵,用于将来自该真空泵的排出气体递送到该密封空间;并且
其中该闭合构件包括一种聚合、多孔、疏水材料,用于允许该排出气体退出该密封空间而不需要一个排气孔。
2.如权利要求1所述的减压源,其中该聚合、多孔、疏水材料包括一种疏水性烧结聚合物。
3.如权利要求1所述的减压源,其中该聚合、多孔、疏水材料包括一种疏水性纺粘材料。
4.如权利要求1所述的减压源,其中该聚合、多孔、疏水材料包括疏水键合的多孔纤维。
5.如权利要求1所述的减压源,其中该聚合、多孔、疏水材料包括一种聚烯烃材料。
6.如权利要求1所述的减压源,其中该闭合构件包括一个注射成型构件。
7.如权利要求1或以上权利要求的任一项所述的减压源,进一步包括与该闭合构件相关联的并且被适配成在变湿时改变颜色的一种液体敏感性染料。
8.如权利要求1或以上权利要求的任一项所述的减压源,其中该闭合构件是半透明的。
9.如权利要求1或以上权利要求的任一项所述的减压源,其中该闭合构件包括该完整的泵壳体。
10.如权利要求1或权利要求2至8的任一项所述的减压源,其中该闭合构件包括在该泵壳体上的一个通风孔盖板。
11.如权利要求1所述的减压源,其中该闭合构件包括一个敷料覆盖物并且该真空泵包括一个微型泵,该微型泵布置在该敷料覆盖物与患者之间。
12.如权利要求1或以上权利要求的任一项所述的减压源,其中该聚合、多孔、疏水材料包括一种气味吸收材料。
13.一种用减压处理患者身上的组织部位的***,该***包括:
一个治疗歧管,该治疗歧管紧邻组织部位而放置,用于将减压分配至组织部位;
一个减压源,该减压源流体连接至该治疗歧管,用于将减压提供至该治疗歧管;
一个密封构件,用于在组织部位之上形成一个流体密封;并且
其中该减压源包括:
一个泵壳体,该泵壳体形成一个密封空间,其中一个闭合构件形成该泵壳体的至少一部分,
一个真空泵,该真空泵布置在该密封空间中,
一个减压出口,该减压出口流体连接至该真空泵,用于递送减压,
一个排气口,该排气口流体连接至该真空泵,用于将来自该真空泵的排出气体递送到该密封空间;并且
其中该闭合构件包括一种聚合、多孔、疏水材料,该材料允许该排出气体退出该密封空间而不需要一个排气孔。
14.如权利要求13所述的***,其中该聚合、多孔、疏水材料包括一种疏水性烧结聚合物。
15.如权利要求13所述的***,其中该聚合、多孔、疏水材料包括一种疏水性纺粘材料。
16.如权利要求13所述的***,其中该聚合、多孔、疏水材料包括疏水键合的多孔纤维。
17.如权利要求13所述的***,其中该聚合、多孔、疏水材料包括一种聚烯烃材料。
18.如权利要求13所述的***,其中该闭合构件包括一个注射成型构件。
19.如权利要求13或权利要求14至18的任一项所述的***,进一步包括与该闭合构件相关联的并且被适配成在变湿时改变颜色的一种液体敏感性染料。
20.如权利要求13或权利要求14至19的任一项所述的***,其中该闭合构件是半透明的。
21.如权利要求13或权利要求14至20的任一项所述的***,其中该闭合构件包括该完整的泵壳体。
22.如权利要求13或权利要求14至20的任一项所述的***,其中该闭合构件包括在该泵壳体上的一个通风孔盖板。
23.如权利要求13所述的***,其中该闭合构件包括一个敷料覆盖物并且该真空泵包括一个微型泵,该微型泵布置在该敷料覆盖物与患者之间。
24.如权利要求13或或权利要求14至23的任一项所述的***,其中该聚合、多孔、疏水材料包括一种气味吸收材料。
25.一种产生与用于处理患者身上的组织部位的减压***一起使用的减压的方法,该方法包括:
形成一个密封空间,其中该密封空间的至少一部分是由一个闭合构件形成的,该闭合构件包括一种聚合、多孔、疏水材料。
将一个真空泵布置在该密封空间之内,其中该真空泵包括一个减压出口以及一个排气口,并且其中该闭合构件允许该排出气体退出该密封空间而不需要一个排气孔。
使该排出气体通过该闭合构件从该密封空间排出而不需要一个排气孔;并且
将该减压递送至一个所希望的位置。
26.如权利要求25所述的方法,其中该聚合、多孔、疏水材料包括一种疏水性烧结聚合物。
27.如权利要求25所述的方法,其中该聚合、多孔、疏水材料包括一种疏水性纺粘材料。
28.如权利要求25所述的方法,其中该聚合、多孔、疏水材料包括疏水键合的多孔纤维。
29.如权利要求25所述的方法,其中该聚合、多孔、疏水材料包括一种聚烯烃材料。
30.如权利要求25所述的方法,其中该聚合、多孔、疏水材料包括一种疏水性烧结聚合物以及与该闭合构件相关联的一种液体敏感性染料,该液体敏感性染料被适配成在变湿时改变颜色。
31.如权利要求25或权利要求26至30的任一项所述的方法,其中该闭合构件包括该完整的泵壳体。
32.如权利要求25或权利要求26至30的任一项所述的方法,其中该闭合构件包括在该泵壳体上的一个通风孔盖板。
33.如权利要求25所述的方法,其中该闭合构件包括一个敷料覆盖物并且该真空泵包括一个微型泵,该微型泵布置在该敷料覆盖物与患者之间。
34.如权利要求25或权利要求26至33的任一项所述的方法,其中该聚合、多孔、疏水材料包括一种气味吸收材料。
35.一种制造与用于处理患者身上的组织部位的减压***一起使用的减压源方法,该方法包括:
形成一个泵壳体,该泵壳体形成一个密封空间,其中形成该泵壳体包括形成一个闭合构件,该闭合构件包括该泵壳体的至少一部分;
将一个真空泵布置在该密封空间之内,其中该真空泵包括:一个减压出口,该减压出口流体连接至该真空泵,用于递送减压;以及一个排气口,该排气口流体连接至该真空泵,用于将来自该真空泵的排出气体递送到该密封空间;并且
其中该闭合构件包括一种聚合、多孔、疏水材料,该材料是可操作的以允许该排出气体退出该密封空间。
36.如权利要求35所述的方法,其中形成该泵壳体的步骤包括注射成型该闭合构件。
37.如权利要求35所述的方法,其中形成一个闭合构件的步骤包括形成一个层压构件以及在该层压构件周围包覆成型以形成该闭合构件。
38.如权利要求35所述的方法,其中形成一个闭合构件的步骤包括形成一个聚合物构件以及形成穿过其中的多个孔隙。
39.如权利要求35所述的方法,其中形成一个闭合构件的步骤包括由该聚合、多孔、疏水材料注射成型第一部分闭合构件以及由比该聚合、多孔、疏水材料更刚性的一种材料注射成型第二部分闭合构件。
40.一种用于处理患者身上的组织部位的方法,该方法包括:
将一个治疗歧管紧邻组织部位而布置;
将一个吸收层布置在该治疗歧管上,用于接收来自组织部位的流体;
将一个微型泵流体连接至该吸收层;
用一个闭合盖件来覆盖该治疗歧管、吸收层以及微型泵以形成一个密封空间;
其中该微型泵包括一个排气口并且用于产生减压以及退出该微型泵的排气口的一种排气;
其中该闭合盖件的至少一部分是由一种聚合、多孔、疏水材料形成的并且是可操作的以允许该排气流出该密封空间。
起动该微型泵以产生减压以及该排气;并且
其中来自该微型泵的排气通过该闭合盖件退出该密封空间。
41.如权利要求40所述的方法,其中该聚合、多孔、疏水材料包括一种疏水性烧结聚合物。
42.如权利要求40所述的方法,其中该聚合、多孔、疏水材料包括一种疏水性纺粘材料。
43.如权利要求40所述的方法,其中该聚合、多孔、疏水材料包括疏水键合的多孔纤维。
44.如权利要求40所述的方法,其中该聚合、多孔、疏水材料包括一种聚烯烃材料。
45.如权利要求40或权利要求41至44的任一项所述的方法,进一步包括一个液体气体分离器和一个分流层。
46.如权利要求40或权利要求41至44的任一项所述的方法,进一步包括:一个液体气体分离器,该液体气体分离器用于阻止来自组织部位的液体到达微型泵;一个分流层,该分流层用于分配来自该微型泵的减压;一个密封层,该密封层用于紧邻该治疗歧管的外侧的组织部位而放置;以及一个密封构件,该密封构件用于布置在该闭合盖件的至少一部分之上。
47.一种用减压来处理患者身上的组织部位的敷料,该敷料包括:
一个治疗歧管,该治疗歧管用于紧邻组织部位而放置;
一层吸收层,该吸收层用于接收并且保留来自组织部位的流体;
一个微型泵,该微型泵具有一个排气口,该微型泵用于产生减压以及退出该排气口的一种排气;
一个闭合盖件,该闭合盖件覆盖该治疗歧管、吸收层以及微型泵以形成一个密封空间,该密封空间具有一个第一部分和一个第二部分;
其中该微型泵的排气口流体连接至该密封空间的第一部分,以便向该密封空间的第一部分提供排气,并且该微型泵流体连接至该密封空间的第二部分,以便向该密封空间的第二部分提供减压;并且
其中该闭合盖件的至少一部分是由一种聚合、多孔、疏水材料形成的并且被配置成用于允许该排气流出该密封空间。
48.如权利要求47所述的敷料,其中该聚合、多孔、疏水材料包括一种疏水性烧结材料。
49.如权利要求47所述的敷料,其中该聚合、多孔、疏水材料包括一种疏水性纺粘材料。
50.如权利要求47所述的敷料,其中该聚合、多孔、疏水材料包括疏水键合的多孔纤维。
51.如权利要求47所述的敷料,其中该聚合、多孔、疏水材料包括一种聚烯烃材料。
52.如权利要求47或权利要求48至51的任一项所述的敷料,进一步包括一个液体气体分离器和一个分流层。
53.如权利要求47或权利要求48至51的任一项所述的敷料,进一步包括:一个液体气体分离器,该液体气体分离器用于阻止来自组织部位的液体到达该微型泵;一个分流层,该分流层用于分配来自该微型泵的减压;一个密封层,该密封层用于紧邻该治疗歧管的外侧的组织部位而放置;以及一个密封构件,该密封构件用于布置在该闭合盖件的至少一部分之上。
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