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公开(公告)号：CA2610753C
公开(公告)日：2014-04-29
申请号：CA2610753
申请日：2006-09-13
Applicant: EDWARDS LIFESCIENCES CORP
Inventor： HIGGINS MICHAEL J
IPC: A61B5/00 , A61B5/1455 , A61B5/1459 , G01N33/49
Abstract: Methods for measuring the total hemoglobin of whole blood include measuring reflective light at multiple wavelengths within the visible spectrum, calculating light absorbance at each of the multiple wavelengths, performing a comparison in a change in like absorbance between the multiple wavelengths, and/or relating the comparison to total hemoglobin. A system for measuring total hemoglobin of whole blood may include at least one light source, a catheter, optical fibers, at least one photodetector, data processing circuitry, and/or a display unit.
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公开(公告)号：CA2610753A1
公开(公告)日：2007-03-22
申请号：CA2610753
申请日：2006-09-13
Applicant: EDWARDS LIFESCIENCES CORP
Inventor： HIGGINS MICHAEL J
Abstract: Methods for measuring the total hemoglobin of whole blood include measuring reflective light at multiple wavelengths within the visible spectrum, calculating light absorbance at each of the multiple wavelengths, performing a comparison in a change in like absorbance between the multiple wavelengths, and/or relating the comparison to total hemoglobin. A system for measuring total hemoglobin of whole blood may include at least one light source, a catheter, optical fibers, at least one photodetector, data processing circuitry, and/or a display unit.
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公开(公告)号：AT206942T
公开(公告)日：2001-11-15
申请号：AT97949506
申请日：1997-11-21
Applicant: EDWARDS LIFESCIENCES CORP
Inventor： MOONEY CHARLES , PECOR ROBERT , BOBO DONALD E JR , HIGGINS MICHAEL J
Abstract: A multiple lumen access device for use in providing a single entry port into the human body for selectively introducing medical implements therethrough and for providing simultaneous auxiliary access into the body. The multiple lumen access device (10, 400, 500, 520, 550) includes a multiple lumen sheath (404, 506, 530) which may have an outer tube (12, 422) and structure defining a device lumen (30, 31, 130, 230, 330, 426, 574, 582, 586) located therein. The inner structure may be an inner tube (24, 124, 224, 324, 432). The outer tube and inner structure are located so as to define at least one auxiliary lumen (36, 37, 48, 49, 138, 140, 142, 236, 248, 336, 428, 584, 588) which may be located between the exterior surface of the inner tube and the interior surface of the outer tube. Embodiments include flexible inner tubes which can be flexed between relaxed and expanded/contracted positions wherein the relative cross-sectional areas of the device lumen and auxiliary lumens are varied. The access device further includes a valve (70, 418, 502, 514, 528, 532, 554) which provides sealing of the device lumen. The valve may be provided in a lumen junction housing (56, 402), or separate from the housing either permanently or removably connected with the device lumen. Alternatively, a multiple lumen sheath (560) may be passed through a valve (554) leading to a conventional introducer (564). The valve may also be molded separately as a rigid insert (418) and retained in a cavity (450) formed in a flexible junction housing.
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公开(公告)号：CA2703840A1
公开(公告)日：2009-05-07
申请号：CA2703840
申请日：2008-10-31
Applicant: EDWARDS LIFESCIENCES CORP
Inventor： PHAN LUONG NGOC , HIGGINS MICHAEL J
IPC: G01N27/327
Abstract: An analyte monitoring system includes a biosensor (10) for detecting an analyte concentration in blood. The monitoring system includes first and second power sources (22, 26), each selectively couplable to the biosensor for providing power to the biosensors. A sensor is associated with the first power source and senses the output thereof. A selector (24) is coupled to both the first and second power sources and the biosensor, such that it may selectively couple an output or outputs of either the first or second power sources to the biosensor. In operation, the first power source (22) is coupled to the biosensor to thereby bias the sensor. If the sensor indicates that the first power source (22) is not providing power to the biosensor, the selector (24) decouples the first power source from the biosensor and couples the second power (26) source to the biosensor to thereby maintain the biosensor in a biased state.
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公开(公告)号：CA2630533A1
公开(公告)日：2007-09-07
申请号：CA2630533
申请日：2007-02-26
Applicant: EDWARDS LIFESCIENCES CORP
Inventor： HEITZMANN HAROLD A , CURRY KENNETH M , FJIELD TODD , CARLIN PATRICK , HIGGINS MICHAEL J
Abstract: A single or multilumen intravenous catheter that may include an integral biosensor having an active portion exposed through a sensing port formed in a distal portion of an outer wall of the catheter. The biosensor may be formed on a flex circuit mounted to a support member or probe that displaces the active portion from an inner wall of the catheter for protection from friction during installation through a lumen. The support member or probe may position the biosensor concentrically within the lumen or against an inner diameter of the outer wall. The biosensor may be sealed about the sensing port to prevent passage of fluid therethrough, or a proximal end of the sensing port may remain open to allow flushing of the biosensor with saline infused through the lumen.
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Patent Agency Ranking
公开(公告)号：CA2409240C
公开(公告)日：2007-08-21
申请号：CA2409240
申请日：1997-11-20
Applicant: EDWARDS LIFESCIENCES CORP
Inventor： HIGGINS MICHAEL J , MOONEY CHARLES , PECOR ROBERT , BOBO DONALD E JR
Abstract: A multiple lumen access device for we in providing a single entry port into the human body for selectively introducing medical implements therethrough and for providing simultaneous auxiliary access into the body. The multiple lumen access device includes a multiple lumen sheath which may have an outer tube and structure defining a device lumen located therein . The inner structure may be an inner tube. The outer tube and inner strucure are located so as to define at least one auxiliary lumen which may be locate d between the exterior surface or the inner tube and the interior surface of t he outer tube. Embodiments include flexible inner tubes which can be flexed between relaxed and expanded/contracted position wherein the relative cross--sectional area of the device lumen end auxiliary lumens are varied. T he access device further includes a valve which provides sealing of the device lumen. The valve stay be provided in a lumen junction housing, or separate from the housing either permanently or removably connected with the device lumen. Alternatively, a multiple lumen sheath may be passed through a valve leading to a conventional introducer. The valve may also be molded separately as a rigid insert and retained in a cavity formed in a flexible junction housing.
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公开(公告)号：ES2274794T3
公开(公告)日：2007-06-01
申请号：ES00942709
申请日：2000-06-08
Applicant: EDWARDS LIFESCIENCES CORP
Inventor： MOONEY CHARLES R , PECOR ROBERT , BOBO DONALD E JR , HIGGINS MICHAEL J , MIRAKI MANOUCHEHR A , BULMAN ERIK E
Abstract: Un dispositivo de acceso con múltiples lúmenes con fines médicos, que comprende: un introductor de infusión (735, 762, 782, 822, 848) que tiene un tubo de acceso con un extremo próximo y otro distal para la introducción en el cuerpo, el introductor incluye un concentrador (742) conectado al extremo próximo del tubo de acceso y una válvula de hemostasis en una ubicación fija dentro del concentrador que proporciona un sello alrededor de los implementos médicos que se introducen o se retiran del cuerpo a través del tubo lumen de acceso; un catéter (734, 764, 788, 842) incluyendo un tubo de catéter (404) y una cajuela de empalme (736) en el extremo próximo del tubo de catéter, la cajuela de empalme tiene un extremo próximo y uno distal e incluye un canal principal (444) y al menos un canal auxiliar (446) independiente del canal principal, tanto el canal principal como el auxiliar están en comunicación fluida con al menos un lumen (426, 428) definido en el tubo de catéter; y un adaptador multifunción (730, 766, 786, 826, 828, 850) que tiene una primera unidad (730a, 766a) y una segunda unidad complementaria (730b, 766b) para acoplar el catéter (734) al concentrador del introductor de infusión (736) de modo tal que el tubo de catéter pase a través de la válvula de hemostasis hacia el tubo lumen de acceso, la primera unidad se fija a la cajuela de empalme y la segunda unidad se fija al concentrador, donde la primera unidad se puede conectar de manera que se pueda quitar la segunda unidad de forma que el introductor se convierta de un introductor de infusión en un dispositivo de acceso con múltiples lúmenes gracias al canal principal y al auxiliar en la cajuela de empalme; caracterizado porque el introductor incluye además un brazo lateral (744) que se abre distalmente con respecto a la válvula de hemostasis para introducir una solución médica en el tubo lumen de acceso.
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公开(公告)号：CA2824033A1
公开(公告)日：2007-03-22
申请号：CA2824033
申请日：2006-09-13
Applicant: EDWARDS LIFESCIENCES CORP
Inventor： HIGGINS MICHAEL J
IPC: A61B5/1459 , A61B5/1455
Abstract: Methods for measuring the total hemoglobin of whole blood include measuring reflective light at multiple wavelengths within the visible spectrum, calculating light absorbance at each of the multiple wavelengths, performing a comparison in a change in like absorbance between the multiple wavelengths, and/or relating the comparison to total hemoglobin. A system for measuring total hemoglobin of whole blood may include at least one light source, a catheter, optical fibers, at least one photodetector, data processing circuitry, and/or a display unit.
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公开(公告)号：CZ290023B6
公开(公告)日：2002-05-15
申请号：CZ182199
申请日：1997-11-21
Applicant: EDWARDS LIFESCIENCES CORP
Inventor： MOONEY CHARLES , PECOR ROBERT , BOBO DONALD E JR , HIGGINS MICHAEL J
Abstract: Disclosed is a multiple lumen access device for use in providing a single entry port into the human body for selectively introducing medical implements therethrough and for providing simultaneous auxiliary access into the body. The proposed multiple lumen access device includes a multiple lumen sheath (404, 506, and 530) which may have an outer tube (12, 422) and structure defining a device lumen (30) located therein. The inner structure may be an inner tube with a flexible wall (26). The outer tube (12, 442) and inner structure are located so as to define at least one auxiliary lumen (36), which may be located between the exterior surface (26) of the inner tube flexible wall (24) and the interior surface of the outer tube (12, 442). The access device further includes a valve (70, 418, 502, 514, 528, 532, and 554) which provides sealing of the device lumen (30). The valve may be provided in a lumen junction housing (56, 402), or separate from the housing either permanently or removably connected with the device lumen (30). Alternatively, a multiple lumen sheath (560) may be passed through a valve (554) leading to a conventional introducer (564). The valve may also be molded separately as a rigid insert (418) and retained in a cavity (450) formed in a flexible junction housing.
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公开(公告)号：CA2377376C
公开(公告)日：2010-09-21
申请号：CA2377376
申请日：2000-06-08
Applicant: EDWARDS LIFESCIENCES CORP
Inventor： MOONEY CHARLES R , PECOR ROBERT , BOBO DONALD E JR , HIGGINS MICHAEL J , MIRAKI MANOUCHEHR A , BULMAN ERIK E , WILLOUGHBY GARY R
Abstract: A multiple lumen access device for use in providing a single entry port into the human body for selectively introducing medical implements therethrough and for providing simultaneous auxiliary access into the body. The multiple lumen access device includes a multi-lumen sheath which may have an outer tube and structure defining a device lumen located therein. The inner structure may be an inner wall or inner tube. The outer tube and inner structure are located so as to define at least one auxiliary lumen. Some embodiments include flexible inner walls which can be flexed between relaxed and expanded/contracted positions wherein the relative cross-sectional areas of the device lumen and auxiliary lumens are varied. The access device further includes a valve which provides sealing of the device lumen. The valve may be provided m a lumen junction housing or separate from the housing either permanently or removably connected with the device lumen. Alternatively, a multi-lumen sheath may be passed through a valve leading to a conventional introducer. The valve may also be molded separately as a rigid insert and retained m a cavity formed in a flexible junction housing. In other embodiments, the multiple lumen access device is formed by introduction of the elongated implement coaxially within a tubular single lumen sheath.
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