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1. 发明申请

US20180140306A1 METHOD AND APPARATUS FOR SHIELDING ENGAGEMENT OF A TOURNIQUET CUFF 审中-公开
公开(公告)号：US20180140306A1
公开(公告)日：2018-05-24
申请号：US15860586
申请日：2018-01-02
申请人： Western Clinical Engineering Ltd.
发明人： James A. McEwen , Michael Jameson , Kenneth L. Glinz , Tom Yu Chia Lai
IPC分类号： A61B17/135
CPC分类号： A61B17/135
摘要： A low-cost contour cuff for surgical tourniquet systems comprises: a sheath containing an inflatable bladder, the sheath having an arcuate shape, an outer surface and a centerline equidistant between first and second side edges; a securing strap non-releasably attached to the outer surface and formed of substantially inextensible material having a shape that is predetermined and substantially flat, wherein the strap includes a bending portion near a first strap end and a fastening portion near a second strap end, and wherein the bending portion is adapted to allow twisting of the bending portion out of the substantially flat shape to facilitate positioning of the fastening portion into any of a plurality of positions in the substantially flat shape; and fastening means for releasably attaching the fastening portion of the securing strap to the outer surface whenever the sheath is curved into a position for surrounding a limb.

2. 发明授权

US09301701B2 Method for measuring tourniquet limb occlusion pressure 有权
标题翻译：止血带肢体阻塞压力测量方法
公开(公告)号：US09301701B2
公开(公告)日：2016-04-05
申请号：US13847999
申请日：2013-03-20
申请人： Western Clinical Engineering, Ltd.
发明人： James A. McEwen , Michael Jameson , William K. W. Cheung , Michael A. Gebert
IPC分类号： A61B5/02 , A61B5/0225 , A61B17/135 , A61B5/022 , A61B5/0235 , A61B5/026 , A61B5/00
CPC分类号： A61B5/02255 , A61B5/02233 , A61B5/0235 , A61B5/0261 , A61B5/746 , A61B17/135 , A61B17/1355
摘要： Improved tourniquet apparatus for measuring a patient's limb occlusion pressure includes an inflatable tourniquet cuff for encircling a limb at a location and to which a tourniquet instrument is releasably connectable. The instrument includes pressure sensing for producing a cuff pressure signal indicative of the level of pressure in the cuff, a pressure regulation mechanism communicating with the cuff and responsive to the cuff pressure signal for moving fluid into and out of the cuff, thereby regulating the pressure in the cuff, a blood flow transducer for producing a blood flow signal indicative of blood flow past the cuff, and limb occlusion pressure means responsive to the blood flow signal and the cuff pressure signal for increasing the cuff pressure level until blood flow indicated by the blood flow signal decreases to a level less than a minimum detection threshold, and then suspending fluid movement into and out of the cuff to produce a limb occlusion pressure value that is indicative of a pressure in the cuff when the fluid motion is suspended.
摘要翻译：用于测量患者肢体闭塞压力的改进的止血带设备包括用于在一个位置环绕肢体的可充气止血带，止血带仪器可释放地连接到该止血带上。仪器包括用于产生指示袖带压力水平的袖带压力信号的压力感测，与袖带连通的压力调节机构，并且响应于袖带压力信号以将流体移入和移出袖带，由此调节压力在袖带中，用于产生指示血液流过袖带的血流信号的血流传感器，以及响应于血流信号和袖带压力信号的肢体闭塞压力装置，用于增加袖带压力水平直到由血流信号降低到小于最小检测阈值的水平，然后使流体移动进入和离开袖带，以产生指示当流体运动暂停时袖带中的压力的肢体阻塞压力值。

3. 发明申请

US20130289612A1 Tourniquet Cuff for Various Non-Cylindrical Limb Shapes 审中-公开
标题翻译：止血带袖口用于各种非圆柱形肢体形状
公开(公告)号：US20130289612A1
公开(公告)日：2013-10-31
申请号：US13932093
申请日：2013-07-01
申请人： Western Clinical Engineering Ltd.
发明人： James A. McEwen , Michael Jameson , Kenneth L. Glinz , Allen J. Upward
IPC分类号： A61B17/135
CPC分类号： A61B17/135
摘要： A low-cost contour cuff for surgical tourniquet systems comprises: a sheath containing an inflatable bladder, the sheath having an arcuate shape, an outer surface and a centerline equidistant between first and second side edges; a securing strap non-releasably attached to the outer surface and formed of substantially inextensible material having a shape that is predetermined and substantially flat, wherein the strap includes a bending portion near a first strap end and a fastening portion near a second strap end, and wherein the bending portion is adapted to allow twisting of the bending portion out of the substantially flat shape to facilitate positioning of the fastening portion into any of a plurality of positions in the substantially flat shape; and fastening means for releasably attaching the fastening portion of the securing strap to the outer surface whenever the sheath is curved into a position for surrounding a limb.
摘要翻译：用于手术止血带系统的低成本轮廓箍包括：包含可充气囊的护套，所述护套具有弓形形状，外表面和在第一和第二侧边缘之间等距的中心线; 固定带，其不可释放地附接到外表面并且由基本上不可伸展的材料形成，其具有预定且基本上平坦的形状，其中所述带包括靠近第一带端部的弯曲部分和靠近第二带端部的紧固部分，以及其中所述弯曲部分适于允许所述弯曲部分扭曲到基本平坦的形状之外，以便于将所述紧固部分定位在所述基本平坦形状的多个位置中的任一个中; 以及紧固装置，用于每当护套弯曲成用于围绕肢体的位置时，将固定带的紧固部分可释放地附接到外表面。

4. 发明授权

US11219464B2 Method and apparatus for shielding engagement of a tourniquet cuff 有权
公开(公告)号：US11219464B2
公开(公告)日：2022-01-11
申请号：US15860586
申请日：2018-01-02
申请人： Western Clinical Engineering Ltd.
发明人： James A. McEwen , Michael Jameson , Kenneth L. Glinz , Tom Yu Chia Lai
IPC分类号： A61B17/135
摘要： A low-cost contour cuff for surgical tourniquet systems comprises: a sheath containing an inflatable bladder, the sheath having an arcuate shape, an outer surface and a centerline equidistant between first and second side edges; a securing strap non-releasably attached to the outer surface and formed of substantially inextensible material having a shape that is predetermined and substantially flat, wherein the strap includes a bending portion near a first strap end and a fastening portion near a second strap end, and wherein the bending portion is adapted to allow twisting of the bending portion out of the substantially flat shape to facilitate positioning of the fastening portion into any of a plurality of positions in the substantially flat shape; and fastening means for releasably attaching the fastening portion of the securing strap to the outer surface whenever the sheath is curved into a position for surrounding a limb.

5. 发明申请

US20180193029A1 PERSONALIZED TOURNIQUET FOR INTERMITTENT VASCULAR OCCLUSION 审中-公开
公开(公告)号：US20180193029A1
公开(公告)日：2018-07-12
申请号：US15912390
申请日：2018-03-05
申请人： Western Clinical Engineering Ltd.
发明人： James A. McEwen , Michael Jameson , Jeswin Jeyasurya , Kenneth L. Glinz
IPC分类号： A61B17/135 , A61B90/92 , A61B90/90 , A61B5/022 , A61B17/00
CPC分类号： A61B17/135 , A61B5/002 , A61B5/02042 , A61B5/02108 , A61B5/02116 , A61B5/022 , A61B5/02233 , A61B5/0261 , A61B5/4836 , A61B5/746 , A61B17/1355 , A61B90/90 , A61B90/92 , A61B90/98 , A61B2017/00022 , A61B2017/00119 , A61B2017/00199
摘要： An apparatus for intermittent vascular occlusion based on a personalized tourniquet pressure (PTP) includes a dual-purpose tourniquet cuff having an inflatable bladder, a sensor module having a pulsation sensor communicating pneumatically with the inflatable bladder for sensing and characterizing pressure pulsations indicative of a distal occlusion pressure (DOP) to identify a minimum pressure at which penetration of blood past the cuff is stopped, a PTP estimator responsive to the pulsation sensor for producing an estimate of a PTP, wherein the estimate of the PTP is a function of the DOP, an effector module communicating pneumatically with the inflatable bladder for maintaining pressure in the bladder near the PTP during a first time period and for maintaining pressure in the bladder near a second level of pressure during a second time period, and a controller selectively operating the inflatable bladder in conjunction with the sensor module and the effector module.

6. 发明申请

US20160008006A1 PERSONALIZED TOURNIQUET METHODS AND APPARATUS 有权
标题翻译：个性化的方法和设备
公开(公告)号：US20160008006A1
公开(公告)日：2016-01-14
申请号：US14837999
申请日：2015-08-27
申请人： Western Clinical Engineering Ltd.
发明人： James A. McEwen , Michael Jameson , Jeswin Jeyasurya , Kenneth L. Glinz
IPC分类号： A61B17/135
CPC分类号： A61B17/1355 , A61B5/022 , A61B5/02233 , A61B17/132 , A61B17/1322 , A61B17/135 , A61B90/92 , A61B90/98 , A61B2017/00022 , A61B2017/00119 , A61B2017/00199 , A61B2090/0807 , A61B2505/05 , A61B2562/08
摘要： Disclosed are methods and apparatus for regulating tourniquet cuff pressure based on a personalized tourniquet pressure (PTP) to facilitate safe performance of surgical and medical procedures. The apparatus includes a dual-purpose tourniquet cuff adapted to encircle a region of a patient to provide both a sensor during a first time period and an effector during a second time period. An effector module communicates pneumatically with an inflatable bladder of the cuff for maintaining pressure in the bladder near a PTP during the second time period to safely stop penetration of arterial blood past the cuff. A pulsation sensor that communicates pneumatically with the inflatable bladder during the first time period senses and characterizes pressure pulsations that are indicative of penetration of arterial blood into the region of a patient encircled by the cuff. A PTP estimator is responsive to the pulsation sensor for producing an estimate of the PTP, such that the estimate of the PTP is a function of the sensed pulsations.
摘要翻译：公开了用于基于个性化止血带压力（PTP）来调节止血带袖带压力的方法和装置，以促进手术和医疗程序的安全性能。该装置包括适于围绕患者区域的双重目的的止血带箍，以在第一时间段期间提供传感器，在第二时间期间提供效应器。效应器模块与袖带的可充气膀胱气动连通，用于在第二时间段期间保持靠近PTP的膀胱中的压力，以安全地阻止动脉血穿过袖带。在第一时间段期间与气囊连通的脉动传感器感测并表征指示动脉血渗透到由袖带围绕的患者区域的压力脉动。 PTP估计器响应于脉动传感器以产生PTP的估计，使得PTP的估计是所感测的脉动的函数。

7. 外观设计

USD847344S1 Engagement shield for a tourniquet cuff 有权
公开(公告)号：USD847344S1
公开(公告)日：2019-04-30
申请号：US29630116
申请日：2017-12-19
申请人： Western Clinical Engineering Ltd.
设计人： James A. McEwen , Michael Jameson , Kenneth L. Glinz , Jeswin Jeyasurya , Tom Yu Chia Lai
摘要： FIG. 1 is a perspective view of the engagement shield for a tourniquet cuff showing a left side, a top and a front.
FIG. 2 is a front elevational view thereof
FIG. 3 is a rear elevational view thereof.
FIG. 4 is a right side elevational view thereof.
FIG. 5 is a left side elevational view thereof.
FIG. 6 is a top plan view thereof.
FIG. 7 is a bottom plan view thereof.
FIG. 8 is a top plan view of the engagement shield of FIGS. 1-7 shown in relation to a first exemplary tourniquet cuff; and,
FIG. 9 is a top plan view of the engagement shield of FIGS. 1-7 shown in relation to a second exemplary tourniquet cuff.
The broken line showings of tourniquet cuffs illustrate the environment of the claimed design and form part no part thereof.

8. 发明授权

US09931126B2 Personalized tourniquet methods and apparatus 有权
公开(公告)号：US09931126B2
公开(公告)日：2018-04-03
申请号：US14837999
申请日：2015-08-27
申请人： Western Clinical Engineering Ltd.
发明人： James A. McEwen , Michael Jameson , Jeswin Jeyasurya , Kenneth L. Glinz
IPC分类号： A61B17/00 , A61B17/135 , A61B5/022 , A61B17/132 , A61B90/92 , A61B90/98 , A61B90/00
CPC分类号： A61B17/1355 , A61B5/022 , A61B5/02233 , A61B17/132 , A61B17/1322 , A61B17/135 , A61B90/92 , A61B90/98 , A61B2017/00022 , A61B2017/00119 , A61B2017/00199 , A61B2090/0807 , A61B2505/05 , A61B2562/08
摘要： Disclosed are methods and apparatus for regulating tourniquet cuff pressure based on a personalized tourniquet pressure (PTP) to facilitate safe performance of surgical and medical procedures. The apparatus includes a dual-purpose tourniquet cuff adapted to encircle a region of a patient to provide both a sensor during a first time period and an effector during a second time period. An effector module communicates pneumatically with an inflatable bladder of the cuff for maintaining pressure in the bladder near a PTP during the second time period to safely stop penetration of arterial blood past the cuff. A pulsation sensor that communicates pneumatically with the inflatable bladder during the first time period senses and characterizes pressure pulsations that are indicative of penetration of arterial blood into the region of a patient encircled by the cuff. A PTP estimator is responsive to the pulsation sensor for producing an estimate of the PTP, such that the estimate of the PTP is a function of the sensed pulsations.

9. 发明授权

US09814467B2 Personalized tourniquet apparatus 有权
公开(公告)号：US09814467B2
公开(公告)日：2017-11-14
申请号：US14696401
申请日：2015-04-25
申请人： Western Clinical Engineering Ltd.
发明人： James A. McEwen , Michael Jameson , Jeswin Jeyasurya , Kenneth L. Glinz
IPC分类号： A61B17/00 , A61B17/135 , A61B17/132 , A61B5/022 , A61B90/92 , A61B90/98 , A61B90/00
CPC分类号： A61B17/1355 , A61B5/022 , A61B5/02233 , A61B17/132 , A61B17/1322 , A61B17/135 , A61B90/92 , A61B90/98 , A61B2017/00017 , A61B2017/00022 , A61B2017/00119 , A61B2017/00199 , A61B2090/0807 , A61B2505/05
摘要： Disclosed is a method and apparatus for regulating tourniquet cuff pressure based on a personalized tourniquet pressure (PTP) to facilitate safe performance of a surgical procedure. The apparatus includes a dual-purpose tourniquet cuff adapted to encircle a region of a patient limb to provide both a sensor during a pre-surgical time period and an effector during a surgical time period. An effector module communicates pneumatically with an inflatable bladder of the cuff for maintaining pressure in the bladder near a PTP during the surgical time period to safely stop penetration of arterial blood past the cuff. A pulsation sensor that communicates pneumatically with the inflatable bladder during the pre-surgical time period senses and characterizes pressure pulsations that are indicative of penetration of arterial blood into the region of the limb encircled by the cuff. A PTP estimator is responsive to the pulsation sensor for producing an estimate of the PTP, such that the estimate of the PTP is a function of the sensed pulsations.

10. 发明授权

US09039730B1 Personalized tourniquet system having dual-purpose cuff 有权
标题翻译：具有双用途袖带的个性化止血带系统
公开(公告)号：US09039730B1
公开(公告)日：2015-05-26
申请号：US14328607
申请日：2014-07-10
申请人： Western Clinical Engineering Ltd.
发明人： James A. McEwen , Michael Jameson , Jeswin Jeyasurya , Kenneth L. Glinz
IPC分类号： A61B17/00 , A61B17/135 , A61B5/022
CPC分类号： A61B17/135 , A61B5/022 , A61B5/02233 , A61B17/1355 , A61B90/90 , A61B90/92 , A61B2017/00119 , A61B2017/00199
摘要： Disclosed is a method and apparatus for regulating tourniquet cuff pressure based on a personalized tourniquet pressure (PTP) to facilitate safe performance of a surgical procedure. The apparatus includes a dual-purpose tourniquet cuff adapted to encircle a region of a patient limb to provide both a sensor during a pre-surgical time period and an effector during a surgical time period. An effector module communicates pneumatically with an inflatable bladder of the cuff for maintaining pressure in the bladder near a PTP during the surgical time period to safely stop penetration of arterial blood past the cuff. A pulsation sensor that communicates pneumatically with the inflatable bladder during the pre-surgical time period senses and characterizes pressure pulsations that are indicative of penetration of arterial blood into the region of the limb encircled by the cuff. A PTP estimator is responsive to the pulsation sensor for producing an estimate of the PTP, such that the estimate of the PTP is a function of the sensed pulsations.
摘要翻译：公开了一种用于基于个性化止血带压力（PTP）来调节止血带袖带压力以促进外科手术的安全性能的方法和装置。该装置包括适于环绕病人肢体区域的双重目的的止血带，以在手术时期期间提供传感器，并在外科手术时间期间提供效能器。效应器模块与袖带的可充气膀胱气动连通，用于在手术时间段内保持靠近PTP的膀胱中的压力，以安全地阻止动脉血穿过袖带。在手术前时间段内气动与气囊连通的脉动传感器感测和表征压力脉动，其指示动脉血进入由袖带围绕的肢体区域。 PTP估计器响应于脉动传感器以产生PTP的估计，使得PTP的估计是所感测的脉动的函数。

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