Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7806276 | Buoy suspension fractionation system A separator that uses centrifugation to fractionate a suspension such as blood comprises a separation container and a buoy. The buoy is carried in the separation container and has a tuned density that is configured to reach an equilibrium position in a suspension. T... | 10/05/2010 |
| 7431851 | Fat separator The present invention provides a fat separator device having a container with a spout portion and a cover portion releasably attached to the container. The cover portion including a surface having at least one aperture to allow for passage of a liquid through the co... | 10/07/2008 |
| 7374678 | Apparatus and method for separating and concentrating fluids containing multiple components An apparatus that allows for separating and collecting a fraction of a sample. The apparatus, when used with a centrifuge, allows for the creation of at least three fractions in the apparatus. It also provides for a new method of extracting the buffy coat phase from... | 05/20/2008 |
| 7294311 | Clot retainer A clot retainer for generally separating liquid from solid components in a specimen enclosed in a container having a closure. The clot retainer includes fingers that are adapted to displace solid components of the specimen. The clot retainer can be inserted through ... | 11/13/2007 |
| 7235358 | Methods and compositions for diagnosing and monitoring transplant rejection Methods of diagnosing or monitoring transplant rejection, particularly cardiac transplant rejection, in a patient by detecting the expression level of one or more genes in a patient, are described. Diagnostic oligonucleotides for diagnosing or monitoring transplant ... | 06/26/2007 |
| 7223346 | Methods and apparatus for isolating platelets from blood A platelet collection device comprising a centrifugal spin-separator container with a cavity having a longitudinal inner surface. A float in the cavity has a base, a platelet collection surface above the base, an outer surface. The float density is below the density... | 05/29/2007 |
| 7223532 | Blood compatible polymer surfaces The invention relates to a blood-compatible surface comprising a polymer surface and a plurality of conjugates made of linkers and active agents immobilized thereon. The polymer surface contains similar or different structural units that carry carbonyl groups. The l... | 05/29/2007 |
| 7220593 | Buffy coat separator float system and method A tube and float system for use in separation and axial expansion of the buffy coat includes a transparent or semi-transparent, flexible sample tube and a rigid separator float having a specific gravity intermediate that of red blood cells and plasma. The float incl... | 05/22/2007 |
| 7188734 | Holding device, particularly for bodily fluids, comprising a separating device, and a separating device therefor A separating mechanism for inserting in a receptacle chamber of a container receptacle having a longitudinal axis comprises two adjacently disposed components and a sealing device which is directed towards an internal wall of the container receptacle. The components... | 03/13/2007 |
| 7182912 | Fluid handling apparatus for an automated analyzer An analyzer for performing automated assay testing. The analyzer includes a storage and conveyor system for conveying cuvettes to an incubation or processing conveyor, a storage and selection system for test sample containers, a storage and selection system for reag... | 02/27/2007 |
| 7153477 | Device and method for separating components of a fluid sample A device and method is provided for separating heavier and lighter fractions of a fluid sample. The device includes a plurality of constituents comprising a container and a composite element in the container. The composite element is a separator comprising at least ... | 12/26/2006 |
| 7097812 | Device for storing and/or treating chemicals A device for storing and/or treating chemicals is described. The device includes a glass casing provided with a receiving cavity for storing chemicals therein, and further includes a transponder having a memory, the transponder being arranged in the device such that... | 08/29/2006 |
| 7090970 | Composition for blood serum or plasma separation and vessel for blood examination containing the same A composition for blood serum or plasma separation which has improved compatibility between a cyclopentadiene oligomer and a phthalic ester and generates no oily ingredient suspending in the blood serum or plasma after centrifugal separation regardless of the condit... | 08/15/2006 |
| 7027147 | Method and apparatus for measuring the color properties of fluids An apparatus for inspection of fluids, particularly dispersions and tints, having a fluid analysis cell with a cavity enclosed by two light transmitting windows and having a spacer member fixedly positioned therebetween which provides a fluid analysis chamber of fix... | 04/11/2006 |
| 7026121 | Methods and compositions for diagnosing and monitoring transplant rejection Methods of diagnosing or monitoring transplant rejection or cytomegalovirus infection in a patient by detecting the expression level of one or more genes or surrogates derived therefrom in the patient are described. Diagnostic oligonucleotides for diagnosing or moni... | 04/11/2006 |
| 7001774 | Sample collection and processing device A volume-adjusting insert for sample vessels comprises an elongated body with a septum seal on one end and a seal surface on the outside of the body. A through-chamber in the body provides a receiving chamber for a hypodermic needle inserted into the septum. The sea... | 02/21/2006 |
| 6976509 | Method and apparatus for pressurizing plastic pipe A system and apparatus for pressurizing pipe includes a resilient and compressible plug insertable into the opposed ends of the pipe for sealing the pipe. The plug includes a plug body having a larger outside diameter than the inside diameter of the pipe, a flange t... | 12/20/2005 |
| 6905827 | Methods and compositions for diagnosing or monitoring auto immune and chronic inflammatory diseases Methods of diagnosing or monitoring an autoimmune or chronic inflammatory disease, particularly SLE in a patient by detecting the expression level of one or more genes or surrogates derived therefrom in the patient are described. Diagnostic oligonucleotides for diag... | 06/14/2005 |
| 6803022 | Device and method for separating components of a fluid sample A device and method for separating heavier and lighter fractions of a fluid sample. The device includes a plurality of constituents comprising a container and a composite element in the container. The composite element is a separator comprising a deformable bellows,... | 10/12/2004 |
| 6793892 | Device and method for separating components of a fluid sample A specimen collection and separation assembly is provided. The assembly includes a tube having closure secured to the open top of the tube. The closure includes a section that is pierceable by a needle cannula for depositing a liquid specimen in the tube. A separato... | 09/21/2004 |
| 6516953 | Device for separating components of a fluid sample A device and method is provided for separating components of a fluid sample. The device includes a plurality of constituents comprising a container, a liner in the container, a closure for the container and a composite element. The composite element is a ... | 02/11/2003 |
| 6497325 | Device for separating components of a fluid sample A device and method is provided for separating heavier and lighter fractions of a fluid sample. The device includes a plurality of constituents. The constituents include a container, a liner in the container and a composite element in the liner for separa... | 12/24/2002 |
| 6471069 | Device for separating components of a fluid sample A device and method for separating heavier and lighter fractions of a fluid sample. The device includes a flexible collapsible inner container disposed within a substantially rigid outer container. A closure seals the open top end of the outer container. ... | 10/29/2002 |
| 6406671 | Device and method for separating components of a fluid sample A device and method is provided for separating heavier and lighter fractions of a fluid sample. The device includes a plurality of constituents comprising a container and a composite element in the container. The composite element is a separator comprisin... | 06/18/2002 |
| 6277331 | Holding device for body fluids and tissues A holding device for body fluid, tissue parts and tissue culture media includes a cylindrical holding container having a container wall with an inner surface defining an inner space, a first open end face having a diameter which is at least equal to the d... | 08/21/2001 |
| 6238578 | Method for dispensing separator gel in a blood collection tube A method of dispensing gel for separation of the serum and coagulum portions of a blood sample in a blood collection tube is disclosed. The present invention of dispensing the gel preferably comprises utilizing a gel dispensing apparatus with a nozzle hea... | 05/29/2001 |
| 5910246 | Device for isolating nucleic acids Device for the isolation of nucleic acids from a liquid sample by introducing the liquid into the device through an inlet opening and passage of the sample through a nucleic acid binding material and discharging of the resulting liquid through an outlet o... | 06/08/1999 |
| 5906744 | Tube for preparing a plasma specimen for diagnostic assays and method of making thereof A collection device for plasma preparation for diagnostic assays. The device comprises a spray-dried anticoagulant formulation on the interior surface of the device and a thixotropic polymeric gel. The device is an improvement over commercially available ... | 05/25/1999 |
| 5860937 | Evacuated sample collection tube with aqueous additive An assembly for collection of a sample of a body fluid from a subject's body of the present invention includes a hollow tube defining an axis with an open end and a closed end. The hollow tube defines a chamber therewithin for receiving a sample of a coll... | 01/19/1999 |
| 5853600 | Axial spin blood separation system and method A method for rapid separation of serum or plasma from cells in a whole blood sample uses a cylindrical sample tube having longitudinally-extending internal ribs. A separation gel and the sample are introduced into the tube, and the tube is axially centrif... | 12/29/1998 |
| 5851397 | Auxiliary apparatus for sampling blood serum An auxiliary apparatus for sampling blood serum according to the invention comprises a disklike flattening member having a flat surface and capable of flattening a separation surface of a blood serum separating medium contained in a sample container by ur... | 12/22/1998 |
| 5814220 | Process for producing blood separating agent A process for the production of a blood separating agent is disclosed which comprises supplying a mixture solution containing (a) a separation layer forming high molecular weight compound as the main component and (b) a thixotropy-providing agent selected... | 09/29/1998 |
| 5667963 | Anticoagulant solution for use in blood chemistry-related techniques and apparatus An anticoagulant solution of sodium citrate for use in blood chemistry-related techniques and apparatus is disclosed. The anticoagulant solution should include an effective concentration of sodium citrate sufficient for preventing the coagulation of a sam... | 09/16/1997 |
| 5632895 | Serum separating device and apparatus for serum separation The present invention provides a serum separating device and an apparatus for use in serum separation which is capable of completely separating serum and clot during the separation of a blood sample into serum and clot by means of a centrifugal separation... | 05/27/1997 |
| 5560830 | Separator float and tubular body for blood collection and separation and method of use thereof A separator float has a generally cylindrical body and a water swellable band having a selected outer diameter fitted circumferentially around a portion of the generally cylindrical body. The water swellable band is made of a water swellable material so t... | 10/01/1996 |
| 5556557 | Method of partitioning blood using polyesters A polyester is provided which facilitates the separation of blood into light and heavy phases via centrifugation in a blood collection vessel. The polyester is useful as a component of a partitioning composition formulated to have appropriate specific gra... | 09/17/1996 |
| 5550060 | Method and procedure for preparing red blood fractions Methods and apparatus for separating red blood cells by density are described. Older red blood cells are more dense than younger ones. Certain changes in the physiology are recorded in changes in hemoglobin or the red blood cells. By assaying different ag... | 08/27/1996 |
| 5518615 | Blood compatible, shear sensitive gels Gel formulations including a polydimethylsiloxane-polyethyleneoxide copolymer gelled with dibenzylidine sorbitol in the presence of water or alcohol. The gel formulations are useful for facilitating the separation of blood serum or plasma from the cellula... | 05/21/1996 |
| 5510237 | Serum and plasma separating compositions and blood testing containers The invention provides a serum or plasma separating composition which comprises a cyclopentadiene resin, a viscosity adjusting agent and an organic gelling agent. The composition is characterized in that the cyclopentadiene resin is a liquid resin at a te... | 04/23/1996 |
| 5505853 | Serum:plasma separator and tube for the separation of serum:plasma from clot:hemocyte A serum:plasma separator is provided containing a tackifier having a softening point of 70° to 150° C. and a partition-forming material. The separator prevents hemocyte from remaining in a serum portion after blood separation and prevents migration of a... | 04/09/1996 |