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    • 21. 发明授权
    • Apparatus and method for combined closed and open tube sampling
    • 用于组合封闭和开放管取样的装置和方法
    • US4756201A
    • 1988-07-12
    • US49905
    • 1987-05-11
    • Kenneth F. Uffenheimer
    • Kenneth F. Uffenheimer
    • G01N1/00G01N35/10G01N1/10
    • G01N35/1097G01N35/1004
    • Sampler apparatus and method are provided and include both closed and open tube samplers, and selector valve operable to select therebetween for sample supply to automated sample analysis apparatus. A shear valve divides the samples into separate sample quantities for independent sample quantity analysis by multi-channel sample analysis apparatus. A pressure equilibration chamber prevents vacuum bulid-up in the closed tube sampler to insure the supply of consistent sample quantities therefrom. A source of a pressurized rinse solution is provided; and is operatively connected to the sampler apparatus in such manner as to insure the particularly thorough rinsing and cleansing of all relevant sample components to remove sample residue therefrom between sampling operations, thereby reducing sample carryover to levels below those of clinical significance.
    • 提供了采样器装置和方法,包括封闭和开放管取样器,以及可操作以在其间选择供自动化样品分析装置供样的选择阀。 剪切阀将样品分成不同的样品量,用于通过多通道样品分析仪器进行独立样品量分析。 压力平衡室防止密闭管取样器中的真空膨胀,以确保从其中提供一致的样品量。 提供加压冲洗溶液的来源; 并且以这样的方式可操作地连接到取样器装置,以便确保所有相关样品组分的特别彻底的漂洗和清洁以在取样操作之间从其中除去样品残余物,从而将样品携带量降低到低于临床意义的水平。
    • 27. 发明授权
    • Apparatus and method for integrated sampling from closed and open sample
containers
    • US5841039A
    • 1998-11-24
    • US988074
    • 1992-12-09
    • Kenneth F. Uffenheimer
    • Kenneth F. Uffenheimer
    • G01N1/00G01N30/24
    • G01N35/1079
    • Integrated sampler apparatus and method are provided and include a sample liquid container support component which is operable to support both closed and open sample liquid containers thereon on a random basis. Sample liquids from the open sample liquid containers are presented directly to a sample liquid analysis system probe for access thereby; while sample liquids from the closed sample liquid containers, which take the form of sample liquid containers closed by sample needle-pierced stoppers, are transferred by virtue of a sampling needle assembly and connected sample liquid transfer conduits and transfer valve, to a sample liquid dispensing well for access by the same sample liquid analysis system probe. Air segmented rinse liquid is provided for the sampling needle, transfer conduits, transfer valve, and dispensing well to minimize sample liquid carryover with regard to the sample liquids from the closed containers; and a surfactant is included with the rinse to lubricate the sampling needle to facilitate the piercing thereby of the closed sample liquid container stoppers and minimize the generation of sample liquid-contaminating stopper particles to use with aqueous sample and rinse liquids, hydrophobic sample liquid transfer conduits, transfer valve, and dispensing well surfaces are provided; and an isolation liquid which selectively wets those surfaces to the substantial exclusion of the aqueous sample and rinse liquids, is utilized in conjunction with the rinse liquid to further minimize sample liquid carryover. The open sample liquid containers and the dispensing well are supported at essentially the same level relative to the probe to maximize sampling accuracy thereby. A detector is provided to detect sample liquid identification as supported from the sample liquid container support component, and to differentiate between open and closed sample liquid containers for operation of the sample liquid analysis system probe in accordance therewith.
    • 28. 发明授权
    • Integrated sampler for closed and open sample containers
    • US5201232A
    • 1993-04-13
    • US671713
    • 1991-04-04
    • Kenneth F. Uffenheimer
    • Kenneth F. Uffenheimer
    • G01N1/00G01N35/10
    • G01N35/1079G01N35/1004G01N35/1095
    • Integrated sampler apparatus and method are provided and include a sample liquid container support component which is operable to support both closed and open sample liquid containers thereon on a random basis. Sample liquids from the open sample liquid containers are presented directly to a sample liquid analysis system probe for access thereby; while sample liquids from the closed sample liquid containers, which take the form of sample liquid containers closed by sample needle-pierced stoppers, are transferred by virtue of a sampling needle assembly and connected sample liquid transfer conduits and transfer valve, to a sample liquid dispensing well for access by the same sample liquid analysis system probe. Air segmented rinse liquid is provided for the sampling needle, transfer conduits, transfer valve, and dispensing well to minimize sample liquid carryover with regard to the sample liquids from the closed containers; and a surfactant is included with the rinse to lubricate the sampling needle to facilitate the piercing thereby of the closed sample liquid container stoppers and minimize the generation of sample liquid-contaminating stopper particles to use with aqueous sample and rinse liquids, hydrophobic sample liquid transfer conduits, transfer valve, and dispensing well surfaces are provided; and an isolation liquid which selectively wets those surfaces to the substantial exclusion of the aqueous sample and rinse liquids, is utilized in conjunction with the rinse liquid to further minimize sample liquid carryover. The open sample liquid containers and the dispensing well are supported at essentially the same level relative to the probe to maximize sampling accuracy thereby. A detector is provided to detect sample liquid identification as supported from the sample liquid container support component, and to differentiate between open and closed sample liquid containers for operation of the sample liquid analysis system probe in accordance therewith.
    • 30. 发明授权
    • Liquid level adjusting and filtering device
    • 液位调节和过滤装置
    • US4602995A
    • 1986-07-29
    • US735847
    • 1985-05-20
    • Michael M. CassadayRand HerronKenneth F. UffenheimerJohn L. Smith
    • Michael M. CassadayRand HerronKenneth F. UffenheimerJohn L. Smith
    • G01N33/48G01N1/00G01N33/49G01N35/10B01D33/00
    • G01N33/491
    • New and improved, liquid level adjusting and filtering device is provided, and is operable upon insertion into a container to automatically adjust the level of a liquid as contained in the container to a predetermined, precisely repeatable location, and to filter the thusly level-adjusted liquid. The device is particularly adapted for use in conjunction with test tube-like devices, in the nature of those marketed under the Trademark "Vacutainer" by the Becton-Dickinson Company of East Rutherford, NJ, containing whole blood samples which have been separated as by centrifugation into respective blood cell, buffy and blood serum layers; and is operable in that context to present blood serum samples to automated sample analysis systems at the same predetermined and precisely repeatable location relative to the aspirating probe means of such systems.
    • 提供了新的和改进的液位调节和过滤装置,并且在插入到容器中以便将包含在容器中的液体的水平自动调节到预定的,精确可重复的位置时可操作,并且将因此被调节的水平 液体。 该装置特别适合与试管类装置一起使用,其性质是由新泽西州东卢瑟福的Becton-Dickinson公司在“Vacutainer”商标范围内销售的,其中包含已经被分离的全血样本 离心分离到各自的血细胞,血沉棕质和血清层; 并且在该上下文中可操作地将相对于这种系统的抽吸探针装置的血清样品呈现在相同的预定和精确可重复的位置处的自动化样品分析系统。