CN1217639A - 悬雍垂、扁挑体、腺样体和鼻窦组织治疗装置和方法 - Google Patents
悬雍垂、扁挑体、腺样体和鼻窦组织治疗装置和方法 Download PDFInfo
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- CN1217639A CN1217639A CN97194406A CN97194406A CN1217639A CN 1217639 A CN1217639 A CN 1217639A CN 97194406 A CN97194406 A CN 97194406A CN 97194406 A CN97194406 A CN 97194406A CN 1217639 A CN1217639 A CN 1217639A
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Abstract
一种摘除至少一部分悬雍垂的装置,它包括一电极装置,该电极装置有一近端,以及尖锐得足以刺破悬雍垂的外表的电极远端,而不必有支承悬雍垂的固定装置。与电极装置耦合的进入和退出装置使电极装置远端通过悬雍垂的外表面进入悬雍垂的内部区域。进入和退出装置使电极装置远端从悬雍垂内部退出。手柄装置与电极装置近端耦合。电缆装置与电极装置耦合。治疗中采用RF能量。还具有抽吸和输注装置。
Description
本发明是申请日为1995年9月23日的专利申请08/311,097的续展申请,该申请08/311,097又是下述共同待批专利申请的续展申请:申请日1992年8月12日的专利申请07/929,638;申请日为1993年2月2日的专利申请08/012,370(专利号5,370,675);申请日为1993年5月13日的专利申请08/062,364;申请日为1993年5月13日的专利申请08/061,647;申请日为1993年5月14日的专利申请08/061,072(专利号5,385,544)以及申请日为1994年5月9日的专利申请08/239,658。上述专利申请在此引述供参考。
发明领域
本发明一般涉及悬雍垂、扁桃体、腺样体和鼻窦组织的治疗方法和装置。本发明尤其涉及悬雍垂、扁桃体、腺样体和鼻窦组织的射频(RF)摘除装置和治疗方法。
发明背景
细胞组织的治疗通常需要应用医学仪器直接接触目标组织,通常的外科手术使目标组织和介入组织受到损伤。通常,很难准确地放置治疗探测器,这是因为人体内的目标组织的位置或目标组织的周围有易受损伤的人体重要器官、神经或其他的组元。
原地破坏细胞组织通常用在许多疾病的治疗和医疗情况下,或者作为外科摘除手术的辅助治疗。与外科手术相比,这通常创伤较小,并且在没有其他更安全的手术的情况下也许是唯一的一种方法。摘除治疗装置的优点是采用破坏性能量,这种能量由于循环液体和其他自然人体过程(natural body processes)的传导和对流而快速耗散并减小到非破坏性水平。
微波、射频、声学(超声波)和光能(激光)装置以及组织破坏物质已被用来破坏各解剖部位和器官中的恶性、良性和其他类型的细胞和组织。所治疗的组织包括孤立的癌组织,特别是前列腺、肤腺和作为良性前列腺增生特征的间质状小结(stromal nodule)。这些装置通常包括一个导管或插管,用来通过一个管道将射频电极或微波天线送人治疗区,并通过该管道壁将能量沿所有方向扩散作用于周围组织。
共同待批的专利申请揭示了一种通常用于医疗目的而刺人人体组织以及采用光学观察进行射频医学治疗的摘除治疗探测器。
目前,这种RF摘除技术可以扩大到悬雍垂、扁桃体、腺样体和鼻窦的治疗。许多人都经历过扁桃体红肿和腺样体红肿的病痛。也有许多人生过鼻窦病(sinusproblem)。过去,所有这些病痛都是采用外科手术来治疗的。但是,外科手术会引起病人的不适以及出血。另外,外科手术要求病人住院,这需要花许多钱。
发明目的和概述
所以,本发明的目的是提供一种治疗悬雍垂、扁桃体和鼻窦的方法,并且这种方法使出血最少、对周围组织的损伤最小。
本发明的另一个目的是提供一种治疗悬雍垂、扁桃体、腺样体和鼻窦组织的装置,这种装置具有一种一次性电极。
本发明的再一个目的是提供一种治疗悬雍垂、扁桃体、腺样体和鼻窦组织的方法,这种方法中采用治疗装置通过鼻腔进入对组织进行治疗。
本发明的上述目的及其他目的是通过一种组织摘除以减小所述组织的大小和减少所述组织的物质的方法来实现的,该方法包括下述步骤:a)通过人体开口部位插入一个探测器,并使该探测器移动接近该组织,探测器外面带有可在探测器上轴向移动并随之弯曲的绝缘套;b)将所述绝缘套和所述电极伸出所述探测器并刺入所述组织;c)从电极的远端退出所述绝缘套,以暴露预定的电极区域进行摘除手术;以及d)将RF能量作用于所暴露的电极区域周围的组织,实施所述组织的摘除。本文还揭示了一种对组织进行治疗的装置。
附图简述
图1绘出的是悬雍垂、扁桃体、腺样体和鼻窦组织位置的人体头部的矢状位图(sagittal view)。
图2是嘴的正视图示出悬雍垂和扁桃体的位置。
图3是本发明的管心针摘除装置的平面图。
图4是图3所述管心针摘除装置的手柄顶板的俯视图(top view)。
图5是沿图3中A-A线方向截取的图3所示管心针摘除装置的手柄的手动控制部分的局部截面图。
图6是如图3所示管心针摘除装置尖端部分的局部截面图,其中,管心针缩回到尖端部分内。
图7是图3所示管心针摘除装置尖端部分的局部截面图,其中,电极和绝缘套从尖端部分伸出。
图8是病人最的正视图,其中,病人的悬雍垂由于采用本发明的摘除方法而缩小。
图9是本发明治疗悬雍垂、扁桃体、腺样体和鼻窦组织的装置的等距图(isometric view)。
图10是图9所示装置的探测器端部的放大局部侧视图(expanded fragmentarycut-away side view),该装置具有可退缩光纤、可退缩电极以及操作机构。
图11是图9所示装置的探测器端部的放大局部侧视图(expanded fragmentarycut-away side view),该装置具有伸展光纤、伸展电极以及操作机构。
图12是图9所示装置的探测器端部的放大局部侧视图(expanded fragmentarycut-away side view),该装置具有双极电极和光纤。
图13是图9所示装置的探测器端部的放大局部侧视图(expanded fragmentarycut-away side view),该装置具有空心电极以及罩在电极内的光纤。
图14是本发明中使用的一个单极电极实施例的放大局部侧视图。
图15是另一个单极电极实施例的放大局部侧视图。
图16是另一个单极电极实施例的放大局部侧视图。
图17是图9所示装置沿A-A线截取的局部放大截面图。
图18是本发明的装置具有用于治疗扁桃体的单极钳状电极的装置用于人头部时的矢状位图。
图19是本发明的装置采用一个单极电极治疗一对扁桃体的装置时人嘴的正视图。
图20是本发明的装置用于治疗巨大腺样体时人头部的矢状位图。
图21是本发明的装置用于治疗后鼻窦组织时人头部的矢状位图。
图22是本发明的装置用于治疗前鼻窦(frontal sinus)组织时人头部的矢状位图。
图23是本发明的装置用于治疗悬雍垂时人头部的矢状位图。
发明的详细描述
为了理解本发明的装置和方法,需要先粗略地看一下人头部的解剖图。图1是人头部1的矢状位图。鼻3具有对鼻腔13进行外科手术的通道。图中还示出了嘴2。通过嘴2,可以看到腭4所在的位置。在腭4的端部是悬雍垂6。悬雍垂6可以通过嘴2或鼻3触及。嘴2内舌10后面是扁桃体8。图中只示出了一个扁桃体。鼻腔13具有开口16和18,它们分别通向前鼻窦15和蝶窦17。另外,腺样体组织也可以通过鼻腔触及。
嘴和鼻内会发生许多疾病。例如,会发生人们熟知的扁桃体炎(即扁桃体红肿)。也会出现鼻窦炎(即鼻窦组织红肿)。另外,人们还会出现腺样体红肿。有人还会出现悬雍垂红肿,或者需要施行悬雍垂缩小术以防止打鼾。
过去,对这些疾病采用外科手术进行治疗。但外科手术有许多风险,并且会出血。本发明的装置和方法可以治疗上术疾病,并减少复发和出血。
本发明的第一个实施例用来缩小悬雍垂组织以防止打鼾。
图2绘出的是病人的嘴。嘴2中后面从腭垂下的圆锥形组织称为悬雍垂6。此外,还绘出了与悬雍垂6相关的舌10和一对扁桃体8,作为对照。
某些病人睡眠时喜欢仰面而睡,并且有时通过嘴呼吸。空气通过嘴向肺的运动会使悬雍垂振动而产生猛烈、刺耳的声响,并且有时声音很响。通常将这种声音称为打鼾。除非由别人告知,否则睡着的病人听不到自己的打鼾声。在其他一些病人中,悬雍垂6可能大到足以盖住喉部,而阻塞流向肺的空气。这样会出现喘气,并且可能会惊醒并翻滚。因此,打鼾对病人来说是不舒服的,并且在某种程度上说使病人的同床就寝者无法安宁。
除了用唤醒病人的身体的、外部的装置外或者至少使打鼾者翻身以外,可以进行的就是外科手术了。可以施行悬雍垂摘除术或局部悬雍垂摘除术,摘除全部或局部悬雍垂。然而,无论病人如何健壮或健康,任何手术都有其固有的风险。同时,由于手术时会出血并且必须缝合,所以康复时间较长。此外,会引起病人的疼痛和不适。传统的悬雍垂摘除术可以用普通的手术刀或采用强激光来施行,用以破坏部分或全部悬雍垂手术。
为了减少病人的病痛、不适和康复时间,可以采用射频(RF)或微波摘除技术。采用RF摘除术,放置在悬雍垂组织内电极产生的RF信号使组织加热。细胞被加热到坏死的程度。事实上,RF摘除术使得在悬雍垂内部引起小损伤,并由人体吸收。因此,不会引起外出血,并且无需缝合。同时使悬雍垂缩小。
本发明中所采用的医学摘除方法对于去除悬雍垂中不需要的组织以减小打鼾的局部治疗摘除具有独特的优越性。为了完整地理解采用摘除减小打鼾的方法,下面描述共同待批专利申请中的摘除装置。
下面参照图3和图4描述摘除装置的特定结构。图3是摘除装置的平面图。该装置通常具有手柄部分20和输送管部分22。管心针套手动控制组件(styletsleeve manual control tab)26和管心针电极手动控制组件24装在手柄顶板(handletop plate)23的槽52和54中用滑动啮合(图4)。刻度标记28表示管心针相对于管心针角度指示器30的相对角度。角度指示器30可以是弯曲透明管中的气泡、称重枢式刻度盘或电子角度指示器。滑动组件24和26端面32和34关于其行程参照刻度(gauge reference strip)36和38的位置给出图5和图6中管心针58和套管38的相对位置。下面对滑动组件和参照量规作更详细的描述。
光纤连接器42、RF源连接器44和欧姆电阻连接器46的连接器从手柄部分20的近端延伸。连接器将本发明的摘除装置与光源、电源和检测器分别相连。
图4是图3中摘除装置手柄顶板23的俯视图。如上所述,槽52和54中容纳各组件24和26,并且相互间是滑动啮合。槽50容纳管心针角度指示器30。图中还示出有参照行程刻度36、38。
下面描述手动组件24、26的结构。图5是图3中沿A-A线截取的管心针装置手柄的手动控制部分的局部截面图。
图5是侧视图,由于套管手动控制组件26位于电极手动控制组件24的正后方,所以图中只画出电极手动控制组件24。电极手动控制组件24与一个电极连接器56相连。电极连接器56接着与电极58相连。尽管图中未示出,但电极58还与RF源连接器44和欧姆阻抗连接器46相连。电极58在套管62中滑动。套管62与套管连接器60相连,而该套管连接器60接着与套管手动控制组件26相连。所以,电极58和套管62可以相对滑动。
电极58最好用柔软的成形记忆金属(shape memory metal)如镍-钛合金或回火钢制成,也可以是传导RF能量的任何一种材料。套管62最好用适应性较好的绝缘塑料材料如聚酰胺制成。下面描述组件24、26的操作。
手动控制组件24和26的同时前向运动或后向运动使得电极58和套管62可以同时前进和后退。如果仅移动电极手动控制组件24,那么电极58在套管62中滑动,或者退入套管62、或者从套管62中伸出。类似地,如果仅移动套管手动控制组件26,则套管在电极外滑动。参照刻度36和38提供电极手动控制组件24和套管手动控制组件26的受控定位的基准点,使得可以象下文中更详细说明的那样可以精确地、独立地对电极58和套管62进行定位,从而控制对悬雍垂的摘除。
图6是如图3所示摘除装置的截面图,图中,管心针退人针74的尖端部,而一开始插入到直针可以进入的位置上。电极尖端70位于针74的前沿尖锐尖端72的后面。绝缘套尖端76正好位于电极针70前面边缘的后面。
当电极58是空心管时,它可以是治疗时用于呼吸、液体传送的管道,或者在本实施例中,是一个用于光纤束78的罩壳。经抛光的光纤尖端80位于电极尖端70的后面,使得的插入时可以观看电极周围的组织。
图7是图6所示管心摘除装置尖端的截面图,其中,电极和套管从针74中伸出。该实施例中,针74呈笔直形状。针74也可以是弯曲的。套管62一开始位于图中罩住电极的虚线位置84处。在针74插入到人体内要摘除的特定部位以后,套管62从电极58的选择部分退出,而暴露要求的特定电极区,形成要求大小的组织坏死。套管的退出如上所述受套管手动控制组件26的控制。
图8是按照本发明的方法用RF摘除装置治疗悬雍垂6时病人嘴的正视图。病人张开嘴2,并压下舌。使带有手柄部分20的RF摘除装置定位,使针74靠近悬雍垂6。套管62和电极58接着从针74中伸出而刺人悬雍垂6。随后,根据要摘除的悬雍垂的大小,使电极58露出一定的距离。接着,通过电极58送人RF能量或微波能量,使得在悬雍垂6内形成内部损伤。一旦内部损伤由人体吸收,则悬雍垂6变小,从而使打鼾得到根治。
下面描述可以用来治疗扁桃体组织、腺样体组织、鼻窦组织甚至是悬雍垂组织的本发明的另一个实施例。下面既描述治疗这些组织的装置,也描述治疗这些组织的方法。
图9是用来治疗悬雍垂、扁桃体、腺样体和鼻窦组织的另一个实施例装置的平面图。本实施例具有与第一个实施例许多相似的部件,因而相似的部件用相同的标号标注。手柄部分90与探头90相连,该探头92具有手柄端94和探头端96。该装置具有相同的组件24和26,用来控制电极124和套管122。所以,这里不描述组件24、26的操作。本实施例的一个不同点是电极124是一次性的,从而组件24、26和其他的控制器安装在铰链110上打开的表面109上。控制器将在下文中参照图17来描述。
本实施例的装置还具有电阻计112和温度计114,它们可以安装在手柄90内。两个表计112和114与RF电源头44电相连,提供反馈数据。两个表计使得在术中可以精确地对治疗进行控制。发器防护装置108,控制RF电源的通电。手柄90还具有观察镜98,该观察镜98由铰链100与手柄90相连,从而观察镜98是可调的。观察镜98与光纤78相连,使得手术医生可以随时观察治疗过程。手柄90还具有水平操纵控制轮102和垂直操纵控制轮104。两轮的操纵将在下面参照图10描述。
图10是图9所示装置探头端96的放大侧视图。本实施例中探头端部96是不尖锐的,从而它可以通过窦腔进入,而不会刺破任何组织。本实施例中,需要进行的组织刺破是由电极124的尖锐尖端126来完成的。在探头端96内,有一个带尖锐尖端126的电极124、围绕电极的套管122和光纤78。与电极相比,套管122较薄,并且位于电极的尖锐尖端126的后面。所以,电极124和套管122一起可以刺破组织。然后,套管122可以退回,而露出电极124。而且,套管122也可以在组织刺破之前退出。另外,套管122可以牢靠地固定在电极124上,从而总露出一预定量的电极124。套管122防止治疗时损伤健康的组织。例如,套管122将在腺样体组织的治疗时保护鼻腔。还具有由操纵线与两个操纵轮102和104相连的操纵构件。图中只示出垂直控制线118和120以及垂直操纵构件116。应当理解,水平操纵构件和操纵线是以相同的方式工作的。垂直操纵构件116安装在靠近手柄端部94的地方。为了向上操纵探头端部96,转动垂直操纵轮102,拉回上操纵线,使得软操纵构件116向上弯曲,而使得探头端部96也弯曲。类似地,探头端部96也可以向下调节。应当指出,探头端部96、电极124和套管122以及光纤78都具有一定的柔软性,因而可以弯曲。操纵构件的更详细的描述可以参见美国专利5,195,968和5,254,088。
图11是图10中的探头端部96带有光纤78、套管122和电极124从探头端部伸出的情况。图12是本实施例的装置在单个的套管132中具有双极电极128和130、并且具有光纤78和操纵结构的情况。与需要外部接地板的单极电极124不同的是,双极电极为第一电极128和第二电极130。RF电流从在电压V1下从第一电极128流出,通过要治疗的组织,通过第二电极130在低于V1的电压V2下返回。双极电极在本发明中可以与单极电极一样使用。
图13是本发明的另一个实施例,它具有一个空心的单极电极134。与以前一样,空心单极电极134罩在套管135内。但是,光纤78位于空心单极电极内。与以前一样,操纵机构位于探头端部96内。
图14、15和16是三个单极电极的不同实施例。图14是用来治疗悬雍垂或扁桃体组织的钳状电极138。当钳状电极138在套管内时,它呈闭合状。而当套管退出时,钳状电极138呈图示的形状。类似地,图15绘出钳状电极140的另一种实施例。图16是在一次治疗过程中用来治疗两个扁桃体时具有两个分叉的情况。
图17是图9所示装置沿B-B线截取时的放大截面图,图中还示出手柄具有组件24、26时铰链链接的表面109。与前面一样,由于套管26位于另一组件的正后方,所以图中只示出电极组件24的情况。电极组件24与电极连接器150相连。电极连接器150有一个将一次性电极124与连接器150电连接的电触头146。连接器150有一个将一次性电极124与RF连接器44(未示出)电连接的电轨(trace)144。连接器150还将一次性电极124与电极组件24机械相连。类似地,套管组件由与套管122相连的套管触头148与套管连接器152相连。
在手术中将探头端部96指向靠近目标组织的地方以后,一次性电极124和套管122通过铰链链接面109而处于装置内。一旦电极和套管到位以后,铰链链接面109闭合并锁住。当铰链链接面109闭合并锁住以后,活动电极124和套管122与装置机械地、电气地相连。完成采用特定电极进行的治疗以后,打开铰链链接面109,并去掉一次性电极124和套管122。随后可以插入另一电极,也可以去掉该装置。
下面参照图18-23描述治疗扁桃体组织、腺样体组织、蝶窦组织、前鼻窦组织和悬雍垂组织的方法。图18是通过嘴插入探头92对扁桃体8进行治疗时头的矢状位图。手术时使探头端部96靠近扁桃体8,从探头端部96中伸出光纤78、电极124和套管122。随后,从套管122中伸出钳状电极138,包围扁桃体8。随后,RF电流流过电极124,在扁桃体8中引起内部损伤。如果向扁桃体8提供足够的能量,则可以去除所有的扁桃体组织。在两种情况下,必须使组织的温度在足够的时间内上升到47℃以上,使组织细胞坏死。不会出现明显的出血就能使扁桃体8得到治疗。
类似地,在图19中,探头是通过嘴2插入的,并且用分叉的电极142同时治疗两个扁桃体。分叉电极142具有尖锐的尖端,使得电极可以刺破扁桃体,并在扁桃体内产生RF电流。同样,RF电流在扁桃体内产生损伤。
图20是通过鼻3和鼻腔13插入探头治疗腺样体14时的情况。治疗时,如果必要,光纤78用来帮助手术医生将探头端部96引导到靠近腺样体14的地方,必要时使用操纵轮。靠近腺样体14以后,医生朝腺样体14的方向伸出光纤78和套管122。随后,电极124伸出套管122,直到电极尖锐尖端126刺入腺样体14达到所要求的深度。接着,由电极向该组织提供RF电流,在腺样体内形成损伤。人体吸收损伤以后,腺样体收缩或根除。
图21是通过鼻3和鼻腔13插入探头治疗蝶窦组织17时的情况。与前面一样,医生用操纵轮102和104调节探头96的方向,并引导探头端部接近蝶窦17的开口18处。随后,带有电极的光纤78和套管122通过开口18伸入到蝶窦内。接着,电极124的尖锐尖端伸入到鼻窦组织内,并完成治疗。类似地,图22绘出通过鼻3和鼻腔13插入装置治疗前鼻窦时的情况。同样,用操纵轮102调节探头端部96,从而将其校正定位在靠近前鼻窦15的开口16处。与以前一样,光纤78和套管122通过开口16伸出,鼻腔电极124的尖锐尖端126到刺入组织内,提供RF能量对该组织进行治疗。
图23是通过嘴2插入探头对悬雍垂6进行治疗时的情景。使探头端部96接近悬雍垂6,并伸出光纤78和套管122。随后,从套管中伸出电极124,用电极尖锐尖端126刺破悬雍垂,实施治疗。
在参照特定实施例对本发明作了描述以后,应当指出,本领域的技术人员在不偏离本发明的精神和范围的情况下,可以进行各种变更和元件替换。另外,在不偏离发明原理的情况下,还可以作许多的修改。
为进行描述和说明,上文中给出了本发明较佳实施例的描述。但这些实施例是没有穷尽的,本发明并非仅限于所揭示的形式。很明显,本领域的技术人员还可以进行各种修改和变化。本发明的保护范围以权利要求书中的限定或其等效为准。
Claims (16)
1.一种摘除至少一部分悬雍垂的装置,其特征在于,
电极装置,包括近端(proximal)、足够尖锐而能刺破悬雍垂外部的电极装置远端以及电极装置能量传送面,其中,当位于悬雍垂内部在悬雍垂内部产生一摘除体积但保留悬雍垂的外粘膜表面时,所述电极装置能量传送面具有足够的长度;
进入和退出装置,它与所述电极装置耦合,并使所述电极装置远端通过悬雍垂的外表面进入所述悬雍垂,所述进入和退出装置还使所述电极装置远端从所述悬雍垂内部退出;
手柄装置,它与所述电极装置近端耦合;以及
电缆装置,它与所述电极装置耦合。
2.如权利要求1所述的装置,其特征在于,它还包含:
输注介质装置,它与所述电极装置耦合,用来向电极装置远端提供输注介质。
3.如权利要求1所述的装置,其特征在于,它还包含:
观察装置,它与所述电极装置耦合,用来观察至少一部分所述悬雍垂。
4.如权利要求1所述的装置,其特征在于,它还包含:
与所述电缆装置耦合的能源装置。
5.如权利要求1所述的装置,其特征在于,所述电极装置是与一个RF能源装置耦合的RF电极装置。
6.如权利要求1所述的装置,其特征在于,所述电极装置是与RF能源装置耦合的双极RF电极装置。
7.如权利要求1所述的装置,其特征在于,所述电极装置是与一RF能源装置耦合的单极RF电极,所述装置还包括接地电极(groundpad electrode)装置。
8.如权利要求5所述的装置,其特征在于,它还包含:
与所述RF电极装置耦合并用来从所述悬雍垂去除一抽吸介质(aspirationmedium)的抽吸装置。
9.如权利要求1所述的装置,其特征在于,它还包含:
与所述电极装置耦合的绝缘装置。
10.如权利要求1所述的装置,其特征在于,它还包含:
组件控制装置,它与所述电极装置耦合,并用来指示所述电极装置进入和退出所述悬雍垂的进入距离和退出距离。
11.一种摘除至少一部分悬雍垂的装置,其特征在于,它包含:
RF电极,它包括一近端,和足够尖锐而能够刺破所述悬雍垂的外表的远端,以及电极能量传送面,其中,当位于所述悬雍垂的内部而在所述悬雍垂内部产生一个摘除体积但保留所述悬雍垂的外粘膜表面时,所述电极能量传送面具有充分的长度;
进入和退出装置,它与所述电极耦合,用来使所述电极远端进入和退出所述悬雍垂的内部区域,其中,所述进入和退出装置用来使所述电极远端进入所述悬雍垂的内部,而不会穿过所述悬雍垂;
与所述电极耦合的手柄;以及
与所述电极耦合的电缆。
12.如权利要求11所述的装置,其特征在于,它还包含:
输注介质源,它与所述电极耦合,并向所述电极远端提供输注介质。
13.如权利要求11所述的装置,其特征在于,它还包含:
观察装置,它与所述电极耦合,并用来提供至少一部分所述悬雍垂的观察。
14.如权利要求11所述的装置,其特征在于,它还包含:
与所述电极耦合的RF能源。
15.如权利要求11所述的装置,其特征在于,它还包含:
与所述RF电极耦合的抽吸源(asperation source)。
16.如权利要求11所述的装置,其特征在于,所述手柄包含:与至少一部分电极外部呈包围关系的绝缘物。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US08/643,203 | 1996-05-06 | ||
US08/643,203 US5718702A (en) | 1992-08-12 | 1996-05-06 | Uvula, tonsil, adenoid and sinus tissue treatment device and method |
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Publication Number | Publication Date |
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CN1217639A true CN1217639A (zh) | 1999-05-26 |
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ID=24579794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN97194406A Pending CN1217639A (zh) | 1996-05-06 | 1997-03-06 | 悬雍垂、扁挑体、腺样体和鼻窦组织治疗装置和方法 |
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US (2) | US5514131A (zh) |
EP (1) | EP0904025A2 (zh) |
JP (1) | JP2000509619A (zh) |
KR (1) | KR20000010815A (zh) |
CN (1) | CN1217639A (zh) |
AU (1) | AU2070897A (zh) |
CA (1) | CA2253705A1 (zh) |
WO (1) | WO1997041786A2 (zh) |
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1997
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- 1997-03-06 AU AU20708/97A patent/AU2070897A/en not_active Abandoned
- 1997-03-06 EP EP97908918A patent/EP0904025A2/en not_active Withdrawn
- 1997-03-06 JP JP9539902A patent/JP2000509619A/ja active Pending
- 1997-03-06 WO PCT/US1997/003537 patent/WO1997041786A2/en not_active Application Discontinuation
- 1997-03-06 KR KR1019980708951A patent/KR20000010815A/ko not_active Application Discontinuation
- 1997-03-06 CN CN97194406A patent/CN1217639A/zh active Pending
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CN110891512A (zh) * | 2017-07-06 | 2020-03-17 | 波士顿科学医学有限公司 | 窥镜设备 |
CN110891512B (zh) * | 2017-07-06 | 2023-09-29 | 波士顿科学医学有限公司 | 窥镜设备 |
CN112261913A (zh) * | 2018-06-08 | 2021-01-22 | 波士顿科学医学有限公司 | 用于组织凝结的系统和方法 |
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Also Published As
Publication number | Publication date |
---|---|
KR20000010815A (ko) | 2000-02-25 |
WO1997041786A3 (en) | 1997-12-11 |
EP0904025A2 (en) | 1999-03-31 |
US5514131A (en) | 1996-05-07 |
WO1997041786A2 (en) | 1997-11-13 |
AU2070897A (en) | 1997-11-26 |
US5718702A (en) | 1998-02-17 |
CA2253705A1 (en) | 1997-11-13 |
JP2000509619A (ja) | 2000-08-02 |
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