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1. 外观设计

USD861885S1 Sleeve with seam 有权
公开(公告)号：USD861885S1
公开(公告)日：2019-10-01
申请号：US29618577
申请日：2017-09-21
申请人： Western Clinical Engineering Ltd.
设计人： James Allen McEwen , Michael Jameson , Tom Yu Chia Lai , Jane Dorothea Procyshyn , Joshua Jonathan Sam
摘要： FIG. 1 is a perspective view of the sleeve with seam showing our new design with the sleeve in an expanded configuration from one end.
FIG. 2 is another perspective view thereof from an opposite end;
FIG. 3 is a front side elevation view thereof with the sleeve in an unexpanded configuration.
FIG. 4 is a top plan view of thereof.
FIG. 5 is a bottom plan view thereof.
FIG. 6 is a right side elevational view thereof.
FIG. 7 is a left side elevational view thereof.
FIG. 8 is a rear side elevation view thereof.
FIG. 9 is an enlarged view of a second embodiment, taken from any area in a main field of the design away from the seam in FIGS. 10-17.
FIG. 10 is a perspective view thereof in an expanded configuration.
FIG. 11 is another perspective view thereof;
FIG. 12 is a front side elevation view thereof with the sleeve in an unexpanded configuration.
FIG. 13 is a top plan view of thereof.
FIG. 14 is a bottom plan view thereof.
FIG. 15 is a right side elevational view thereof.
FIG. 16 is a left side elevational view thereof.
FIG. 17 is a rear side elevation view thereof.
FIG. 18 is a front side elevation view of the sleeve with seam according to a third embodiment showing our new design with the sleeve in an unexpanded configuration.
FIG. 19 is a top plan view of thereof.
FIG. 20 is a bottom plan view thereof.
FIG. 21 is a right side elevational view thereof.
FIG. 22 is a left side elevational view thereof; and,
FIG. 23 is a rear side elevation view thereof.
The broken line showings of a seam form no part of the claimed design. The dash-dot line in FIG. 9 indicates a boundary that forms no part of the claimed design.

2. 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.

3. 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。

4. 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。

5. 发明授权

US11944322B2 Tourniquet with user-selectable safety protocols 有权
公开(公告)号：US11944322B2
公开(公告)日：2024-04-02
申请号：US17252704
申请日：2019-06-21
申请人： Western Clinical Engineering Ltd.
发明人： James Allen McEwen , Michael Jameson , Tom Yu Chia Lai
IPC分类号： A61B17/00 , A61B17/135 , A61B90/00 , A61B5/00 , A61B5/022 , A61B34/00 , A61B90/90
CPC分类号： A61B17/1355 , A61B90/08 , A61B2017/00022 , A61B2017/00115 , A61B2017/00132 , A61B2017/00199 , A61B2090/0808 , A61B2505/05
摘要： A tourniquet apparatus comprises a cuff, a user interface, a controller, a protocol hazard key and a protocol safety interlock. The cuff encircles the patient's limb and applies a level of pressure. The UI presents a protocol symbol from a plurality of protocol symbols wherein each protocol symbol is indicative of a corresponding safety protocol. The controller is responsive to stored pressure levels and stored times specified by the safety protocol, after any adjustments by the user, and operable during the stored protocol time period for maintaining the level of pressure applied by the cuff to the individual patient near the plurality of stored pressure levels at the plurality of stored times. The protocol hazard key is actuatable to end the stored protocol time period while the controller is operable. The protocol safety interlock prevents selection of a second protocol symbol while the controller is operable.

6. 发明授权

US11723670B2 Automatic tourniquet apparatus having patient hazard shield 有权
公开(公告)号：US11723670B2
公开(公告)日：2023-08-15
申请号：US17203630
申请日：2021-03-16
申请人： Western Clinical Engineering Ltd.
发明人： James Allen McEwen , Michael Jameson , Tom Yu Chia Lai
IPC分类号： A61B17/135 , A61B90/00 , A61B17/00
CPC分类号： A61B17/1355 , A61B90/06 , A61B2017/00022 , A61B2017/00119 , A61B2017/00199 , A61B2090/065
摘要： An automatic tourniquet apparatus comprises a tourniquet cuff, a pressure transducer, a user interface, a patient hazard shield and a pressure regulator. The pressure transducer produces a cuff pressure signal. The user interface produces a reference pressure signal. The patient hazard shield is responsive to the cuff pressure signal and the reference pressure signal, and operable during a regulation time period to produce a patient hazard signal if, in one implementation, a current level of pressure in the tourniquet cuff is greater than the reference level of pressure by at least a predetermined overpressure limit. The pressure regulator is responsive to the patient hazard signal, and has a pressurizing element for increasing pressure in the cuff and a depressurizing element for decreasing pressure in the cuff. The pressurizing element is configured to be non-responsive if the patient hazard signal is produced.

7. 发明申请

US20220296252A1 AUTOMATIC TOURNIQUET APPARATUS HAVING PATIENT HAZARD SHIELD 有权
公开(公告)号：US20220296252A1
公开(公告)日：2022-09-22
申请号：US17203630
申请日：2021-03-16
申请人： Western Clinical Engineering Ltd.
发明人： James Allen McEwen , Michael Jameson , Tom Yu Chia Lai
IPC分类号： A61B17/135 , A61B90/00
摘要： An automatic tourniquet apparatus comprises a tourniquet cuff, a pressure transducer, a user interface, a patient hazard shield and a pressure regulator. The pressure transducer produces a cuff pressure signal. The user interface produces a reference pressure signal. The patient hazard shield is responsive to the cuff pressure signal and the reference pressure signal, and operable during a regulation time period to produce a patient hazard signal if, in one implementation, a current level of pressure in the tourniquet cuff is greater than the reference level of pressure by at least a predetermined overpressure limit. The pressure regulator is responsive to the patient hazard signal, and has a pressurizing element for increasing pressure in the cuff and a depressurizing element for decreasing pressure in the cuff. The pressurizing element is configured to be non-responsive if the patient hazard signal is produced.

8. 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.

9. 发明申请

US20210128172A1 PERSONALIZED TOURNIQUET CUFF ASSEMBLY 有权
公开(公告)号：US20210128172A1
公开(公告)日：2021-05-06
申请号：US16937488
申请日：2020-07-23
申请人： Western Clinical Engineering Ltd.
发明人： James Allen McEwen , Michael Jameson , Tom Yu Chia Lai , Rebecca Nicole Lim , Nicholas Alexander Prokopich
IPC分类号： A61B17/135 , A61B17/132
摘要： A personalized tourniquet cuff assembly comprises a sterile tourniquet cuff, a machine-readable instrument symbol, machine-readable personalization data and a sterile connector. The instrument symbol identifies a predetermined first type of tourniquet instrument from a plurality of types of tourniquet instruments, and is adapted for contactless reading by an optical tourniquet interface of the first type of tourniquet instrument. The personalization data represents a value of a personalization parameter for safe operation of the tourniquet cuff with the first type of tourniquet instrument and is adapted for contactless reading by the optical tourniquet interface. The connector is adapted for releasably connecting the tourniquet cuff to the first type of tourniquet instrument. The instrument symbol and the personalization data are carried at a location enabling contactless reading thereof only if the assembly is positioned within a predetermined range of distances and range of orientations relative to the optical tourniquet interface.

10. 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.

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