Balloon catheter with longitudinal safety stop
    131.
    发明授权
    Balloon catheter with longitudinal safety stop 有权
    气囊导管纵向安全停止

    公开(公告)号:US06355013B1

    公开(公告)日:2002-03-12

    申请号:US09594854

    申请日:2000-06-15

    IPC分类号: A61M2900

    摘要: The present invention relates to a balloon catheter having a tubular basic body with distal and proximal ends, and at least one lumen extending between the proximal and the distal ends. A balloon is attached to the basic body close to the distal end which is connected with the lumen, so that the balloon may be selectively expanded by means of supplying a medium under pressure through the lumen. The balloon has at least one safety stop, which may extend between the distal and the proximal end of the balloon.

    摘要翻译: 本发明涉及一种具有管状基体的气囊导管,其具有远端和近端,以及至少一个内腔,其在近端和远端之间延伸。 将气囊附接到靠近与内腔连接的远端的基体,使得可以通过在压力下通过内腔供应介质来选择性地扩张球囊。 气囊具有至少一个安全止动件,其可以在气囊的远端和近端之间延伸。

    Remote sensing tonometric catheter apparatus and method
    132.
    发明授权
    Remote sensing tonometric catheter apparatus and method 失效
    遥感测量导管装置及方法

    公开(公告)号:US06334064B1

    公开(公告)日:2001-12-25

    申请号:US08452183

    申请日:1995-05-26

    IPC分类号: A61B500

    摘要: A tonometric device for use in hollow viscus tonometry and remote sensing of patient fluid parameters is disclosed in combination with a secondary apparatus, such as a urinary catheter, a nasogastric sump apparatus, or a feeding tube, for example. The device is capable of monitoring certain critical fluid properties of interest, such as oxygen gases and carbon dioxide gases in the wall tissue itself of the patient's organ, rather than monitoring such properties in a lumen of the organ. A walled sampling chamber, which is preferably an inflated balloon member, is provided on an elongated tube, with provisions for positioning the sampling chamber in direct contact with a wall portion of the patient's internal organ.

    摘要翻译: 本发明公开了一种用于中空粘度眼压测量和远程感测患者流体参数的测量装置,其与例如尿导管,鼻胃槽装置或进料管的辅助装置组合。 该装置能够监测感兴趣的某些临界流体性质,例如患者器官的壁组织本身中的氧气和二氧化碳气体,而不是监测器官的内腔中的这些特性。 优选为膨胀的气囊构件的壁式采样室设置在细长管上,其具有将采样室定位成与患者内脏的壁部直接接触的装置。

    Internal catheter
    134.
    发明授权
    Internal catheter 失效
    内导管

    公开(公告)号:US5916195A

    公开(公告)日:1999-06-29

    申请号:US18664

    申请日:1998-02-04

    摘要: A catheter for insertion into a patient's urethra is provided, comprising: (a) first and second tubular members having such a diameter for enabling drainage of physiological fluids therethrough, the first and second tubular members being interconnected by means of a connecting tube of substantially smaller diameter; (b) an inflatable balloon attached to the second tubular member, the inflatable balloon being in fluid communication with the connecting tube. The inflatable balloon is inserted to the patient's urinary bladder so as to locate the second tubular member substantially within the patient's prostatic urethra such that the connecting tube is held by the patient's sphincter. Further according to the present invention there is provided a guiding element for insertion through the catheter, including: (a) a substantially elongated tubular member having a hollow, the elongated tubular member having a closed end for insertion through the patient's urethra and an open end for connection to an external inflating element; (b) an inflatable balloon attached to the elongated tubular member, the inflatable balloon being in fluid communication with the hollow of the tubular element, the inflatable balloon for inflation against the catheter so as to effectively fix the guiding element to the catheter.

    摘要翻译: 提供了用于插入患者尿道的导管,其包括:(a)具有这样的直径的第一和第二管状构件,用于使生理液体能够排出,第一和第二管状构件通过基本上较小的连接管相互连接 直径; (b)附接到所述第二管状构件的可膨胀气囊,所述可膨胀气囊与所述连接管流体连通。 将可充气气囊插入到患者的膀胱中,以便将第二管状构件基本上定位在患者的前列腺尿道内,使得连接管被患者的括约肌保持。 此外,根据本发明,提供了一种用于插入通过导管的引导元件,包括:(a)具有中空的基本上细长的管状构件,该细长管状构件具有用于插入穿过患者尿道的封闭端和开口端 用于连接到外部充气元件; (b)附接到细长管状构件的可膨胀气囊,所述可膨胀气囊与所述管状元件的所述中空部流体连通,所述可膨胀气囊用于使所述导管充气以有效地将所述引导元件固定到所述导管。

    Hollow viscous and soild organ tonometry
    135.
    发明授权
    Hollow viscous and soild organ tonometry 失效
    中空粘稠和肥大的器官眼压测量

    公开(公告)号:US5526809A

    公开(公告)日:1996-06-18

    申请号:US445071

    申请日:1995-05-19

    IPC分类号: A61B5/00 A61F2/958

    摘要: Ischemia in a hollow internal organ can be detected in its incipient stages by obtaining a CO.sub.2 sample from within the organ of interest, measuring the partial pressure of CO.sub.2 sample, measuring the bicarbonate concentration of an arterial blood sample, and on the basis of these two measurements calculating the pH of the wall of the organ. The value of the pH is an indicator of the onset of ischemia in the organ. The CO.sub.2 sample is obtained by a novel catheter, multiple embodiments of which are disclosed. Also disclosed is a method for determining the vitality or adequacy of oxygenation of the whole body, or a solid internal organ, by the measurement of the pH of venous blood.

    摘要翻译: 通过从感兴趣的器官内获得二氧化碳样本,测量二氧化碳样本的分压,测量动脉血样品的碳酸氢盐浓度,并在这两个基础上,可以在初期阶段检测中空内脏器官缺血 测量器官壁的pH值。 pH值是器官缺血发作的指标。 通过新型导管获得二氧化碳样品,其多个实施方案被公开。 还公开了通过测量静脉血的pH来确定全身或固体内脏器官的氧合活力或充足性的方法。

    Longitudinally collapsible and exchangeable catheter
    136.
    发明授权
    Longitudinally collapsible and exchangeable catheter 失效
    纵向可折叠和可交换的导管

    公开(公告)号:US5466222A

    公开(公告)日:1995-11-14

    申请号:US220752

    申请日:1994-03-30

    IPC分类号: A61M25/00 A61M29/02 A61M29/00

    摘要: A balloon dilatation catheter is disclosed which incorporates a longitudinally collapsible shaft section including a longitudinally collapsible guide wire lumen. The longitudinally collapsible shaft section may also include a longitudinally collapsible inflation lumen. The longitudinally collapsible shaft section may take the form of a polymer-encased braid, a polymer bellow, or a helical tube. A longitudinally rigid member may be connected to the distal end of the longitudinally collapsible shaft section in order to facilitate extension and contraction of the collapsible section. Methods of using such a catheter system are also disclosed.

    摘要翻译: 公开了一种气囊扩张导管,其包括纵向可折叠的轴部分,其包括纵向可折叠的导丝管腔。 纵向可折叠轴部分还可以包括纵向可折叠的充气腔。 纵向可折叠轴部分可以采用聚合物封装的编织物,聚合物波纹管或螺旋管的形式。 纵向刚性构件可以连接到纵向可折叠轴部分的远端,以便于可折叠部分的伸展和收缩。 还公开了使用这种导管系统的方法。

    Balloon catheter with distal guide wire lumen
    138.
    发明授权
    Balloon catheter with distal guide wire lumen 失效
    气管导管与远端导丝管腔

    公开(公告)号:US5395334A

    公开(公告)日:1995-03-07

    申请号:US35254

    申请日:1993-03-22

    摘要: An over-the-wire balloon dilatation catheter has a stainless steel hypotube catheter shaft, an intermediate sleeve section bonded to the shaft and a distal balloon section connected to the sleeve section. The sleeve section is formed from relatively flexible polymer materials and includes an inner core tube which defines a guide wire lumen extending only through a distal portion of the catheter (including its sleeve and balloon sections) to facilitate fast balloon catheter exchanges. A distal end of the hypotube shaft is crimped laterally and the core tube is nested and bonded within the crimp to provide a proximal outlet for the guide wire lumen. The hypotube shaft provides an inflation lumen for the balloon, with the inflation lumen being continued as an annular inflation lumen through the sleeve section where an outer sleeve is bonded about the core tube and extends from the distal end of the hypotube shaft to the balloon section. A kink-resistant coil structure extends distally from the distal end of the hypotube shaft to provide a gradual change in stiffness along the length of the catheter from the relatively stiff hypotube shaft to the relatively flexible distal portion of the catheter.

    摘要翻译: 超线球囊扩张导管具有不锈钢海波管导管轴,粘结到轴的中间套筒部分和连接到套筒部分的远端球囊部分。 套筒部分由相对柔性的聚合物材料形成并且包括内芯管,其限定仅通过导管的远端部分(包括其套管和气囊部分)延伸的导丝管腔,以便于快速气囊导管交换。 海波管轴的远端横向卷曲,并且芯管嵌套并粘合在卷曲内以提供用于导丝管腔的近端出口。 海波管轴为球囊提供充气腔,其中膨胀腔作为通过套管部分的环形膨胀腔继续,其中外套筒围绕芯管结合并且从海波管的远端延伸到球囊部分 。 抗扭线圈结构从海波管的远端向远端延伸,以沿着导管的长度从相对刚性的海波管轴到导管的相对柔性的远侧部分逐渐改变刚度。

    Balloon catheter with distal guide wire lumen
    140.
    发明授权
    Balloon catheter with distal guide wire lumen 失效
    气管导管与远端导丝管腔

    公开(公告)号:US5217482A

    公开(公告)日:1993-06-08

    申请号:US792786

    申请日:1991-11-15

    申请人: Peter T. Keith

    发明人: Peter T. Keith

    摘要: An over-the-wire balloon dilatation catheter has a stainless steel hypotube catheter shaft, an intermediate sleeve section bonded to the shaft and a distal balloon section connected to the sleeve section. The sleeve section is formed from relatively flexible polymer materials and includes an inner core tube which defines a guide wire lumen extending only through a distal portion of the catheter (including its sleeve and balloon sections) to facilitate fast balloon catheter exchanges. A distal end of the hypotube shaft is crimped laterally and the core tube is nested and bonded within the crimp to provide a proximal outlet for the guide wire lumen. The hypotube shaft provides an inflation lumen for the balloon, with the inflation lumen being continued as an annular inflation lumen through the sleeve section where an outer sleeve is bonded about the core tube and extends from the distal end of the hypotube shaft to the balloon section. A kink-resistant coil structure extends distally from the distal end of the hypotube shaft to provide a gradual change in stiffness along the length of the catheter from the relatively stiff hypotube shaft to the relatively flexible distal portion of the catheter.

    摘要翻译: 超线球囊扩张导管具有不锈钢海波管导管轴,粘结到轴的中间套筒部分和连接到套筒部分的远端球囊部分。 套筒部分由相对柔性的聚合物材料形成并且包括内芯管,其限定仅通过导管的远端部分(包括其套管和气囊部分)延伸的导丝管腔,以便于快速气囊导管交换。 海波管轴的远端横向卷曲,并且芯管嵌套并粘合在卷曲内以提供用于导丝管腔的近端出口。 海波管轴为球囊提供充气腔,其中膨胀腔作为通过套管部分的环形膨胀腔继续,其中外套筒围绕芯管结合并且从海波管的远端延伸到球囊部分 。 抗扭线圈结构从海波管的远端向远端延伸,以沿着导管的长度从相对刚性的海波管轴到导管的相对柔性的远侧部分逐渐改变刚度。