Assignee: Sherwood Medical Industries Inc.

Location: St.Louis, MO
No. of patents: 60

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Number	Title	Issue Date
4386003	Blood separating composition A silica-silicone fluid gel, the properties of which are not significantly affected by sterilizing doses of radiation, is prepared by reaction of a silicone fluid having a narrow viscosity distribution with a filler material and a network former at or bel...	05/31/1983
4382122	Calcium assay The stability of a reagent comprising an aqueous solution of a phenolsulphonephthalein dye is enhanced by the presence of a weak acid in the reagent....	05/03/1983
4369781	Luer connector A fluid coupler for connecting two devices in locked fluid communication is provided which includes a body (12) having a male Luer lock connector (14) at one end connected in fluid communication with a female connector (28) at the other end. The female co...	01/25/1983
4369250	Fatty acid determination A complex of a long chain cationic surfactant and an organic anionic dye is useful in demonstrating the presence of and determining the concentration of fatty acids, compounds which hydrolyze to liberate fatty acids, or the activity of hydrolaze enzymes w...	01/18/1983
4357144	Colorimetric urea determination in presence of long hydrocarbon chain amidobetaine A colorimetric urea determination method, reagent, and reagent kit useful in end point and kinetic urea determination. Urea in a liquid sample reacts with o-phthalaldehyde and chromotropic acid or one of its salts in the presence of a linear long hydrocar...	11/02/1982
4354495	Method of connecting plastic tube to a plastic part A method of connecting a plastic tube to a plastic hub is disclosed which includes preforming the tube by externally heating it in selected areas to cause outward bulging of the tube in those areas, applying an axial force on the tube to cause the bulges ...	10/19/1982
4353868	Specimen collecting device A specimen collecting and transporting device is provided which includes a container, a swab in the container connected to a closure cap closing one end of the container, and a reservoir attached to the other end of the container and containing a liquid c...	10/12/1982
4346711	Body fluid collection device with disposable liner A medical drainage collection device of the disposable liner type wherein the problems of connecting and disconnecting the liner from the canister of a device is simplified by providing a resilient locking device on a canister cover which receives a snap-...	08/31/1982
4340066	Medical device for collecting a body sample An endometrial sampling device (10) for collecting body material for diagnostic testing includes a handle (12), a generally cylindrical sample collecting member (14, 14a) connected to the handle (12) and having a longitudinal chamber (22, 70), slot (24, 7...	07/20/1982
4337064	Albumin determination method A quantitative colorimetric or spectrophotometric method of determining analyte albumin using a specie specific dye-based color reagent is disclosed. The method utilizes a standard solution comprising an aqueous solution of albumin of different specie tha...	06/29/1982
4333564	Method of controlling rheological properties of gel-like compositions The rheological properties of thixotropic, gel-like compositions employed in blood separation tubes are controlled by incorporating in the composition up to about five percent by weight, based on the amount of composition, of a disilazane....	06/08/1982
4333455	Injectable catheter and method of placing same A catheter introducer (15) includes a tubular component (20) with a pliable catheter (22) disposed lengthwise therein. The tubular component (20) is connected to an introducer cannula (52) that has been placed in a body passageway (65). Pressurized fluid ...	06/08/1982
4330497	Method of making grooved plastic medical tubing Grooved tubing having a groove in the outer sidewall and a hole through the bottom of the groove is made by extruding a first plastic to produce a molten tubular extrudate, extruding a second plastic in the exterior of the sidewall of the tubular extrudat...	05/18/1982
4328056	Method of making a cuffed tube A method of making a double-cuffed endotracheal tube is disclosed which includes forming a unitary double-cuff member, inserting and inverting one of the cuffs into the other cuff and connecting the cuffs on a plastic tube, and sealingly connecting the en...	05/04/1982
4317525	Disposable body fluid collection device A body fluid collection device includes a blow-molded unitary plastic container having a pair of integral tube connectors formed in the upper wall for connecting a pair of tubes in fluid communication with the interior of the container. One tube can be co...	03/02/1982
4311137	Infusion device A fluid administration device is provided which includes a catheter holder having a passage extending through it, a plastic cannula connected at the distal end of the passage, an elastomeric seal at the proximal end of the passage, and a fluid administrat...	01/19/1982
4309112	Rate measurement analyzer A method and apparatus for the detection of the magnitude of selected chemical substances in a biological fluid by fixed rate analysis. Photometric analysis is performed sequentially upon a standard solution and then upon an unknown sample to determine th...	01/05/1982
4308232	Anticoagulant stopper coating A stopper for a blood collection tube adapted to receive whole blood for centrifugal separation into its relatively light and heavy phases. The stopper is provided with a coating which prevents red blood cells from adhering to it so as to avoid red cell c...	12/29/1981
4296759	Blood collection device and method with anti-backflow means A blood collection tube is provided with a stopper adapted to be pierced by a needle cannula for introducing a sample of blood into the collection tube, and a valve disposed within the tube which allows blood to flow from the proximal end of the needle in...	10/27/1981
4295974	Blood sample collection and phase separation device A blood collection tube is provided with a blood phase partitioning device disposed in the upper portion or adjacent the low density blood phase end of the tube. The device carries blood phase barrier gel-like material which flows through a restricted ori...	10/20/1981
4283244	Method of making fabric-lined articles A method of making fabric-lined elastomeric articles of wear is disclosed which includes forming an elastomeric article on a form or mold, applying a pressure-sensitive adhesive to the article while on the form, drying the adhesive, applying a lubricant o...	08/11/1981
4273556	Determination of urea Colorimetric urea determination method and reagent in which urea in a liquid sample reacts with o-phthalaldehyde and chromotropic acid or one of its salts to produce an intensely colored reaction product whose concentration is linearly related to the conc...	06/16/1981
4273257	Jar mounted pipettor A pipettor for threaded attachment to a liquid containing jar provides for dispensing a controllable volume of liquid with a high degree of precision upon manually operating a plunger. The liquid volume dispensed in a single plunger operation is adjusted ...	06/16/1981
4270778	Tube connector with security means A medical tube connecting device which includes a tube connector and a security connection member for connecting a medical tube, such as a tracheal tube, to a slip-fit coupling adapter of gas supply equipment. The connector has slip-fit couplers for conne...	06/02/1981
4256120	Fluid sample collection device An evacuated blood sample collection tube is provided with a stopper carrying a one-way valve for preventing blood drawn into the tube from flowing back to the patient, and for preventing blood trapped in the valve after a sample has been taken, from flow...	03/17/1981
4246123	Fluid collection device with phase partitioning means A fluid collection device is provided which includes a container for receiving a liquid, such as blood, that is centrifugally separable into relatively light and heavy phases, and a phase partitioning device in the container. The partitioning device inclu...	01/20/1981
4246133	Stabilized diazotized sulfanilic acid solutions Nitrilotris (methylene) triphosphonic acid and 1,3,6-napthalenetrisulfonic acid are used to stabilize solutions containing diazotized sulfanilic acid....	01/20/1981
4239649	Cholesterol standard A cholesterol standard solution containing a predetermined amount of cholesterol, alcohol, and a long chain alkyl substituted betaine....	12/16/1980
4239495	Determination of protein An aqueous reagent system for the quantitative determination of protein is disclosed. The system contains Coomassie Brilliant Blue G-250 dye, a monobasic strong acid having a pKa of less than 3 (e.g. HCl), a polybasic phosphonic acid (e.g. NTP)...	12/16/1980
4237882	Needle sheath A sheath (24) is provided for a syringe (10) having a barrel (18) with a needle assembly (22) projecting axially from the distal end thereof. The needle assembly (22) has a hub (28) with radially projecting ears (62) for threading into a collar (42) on th...	12/09/1980
4235229	Adjustable tracheostomy tube assembly A tracheostomy tube assembly (10) includes a tracheostomy tube (11) and a neck collar (14), which limits movement of the tracheostomy tube (11), but allows adjustment of the height of the tracheostomy tube (11). The collar (14) has a deformable sleeve (29...	11/25/1980
4220151	Disposable Luer lock syringe A disposable Luer lock syringe is provided with an integral Luer tapered needle connector and an integral, internally threaded, Luer lock retaining collar surrounding the connector and having a plurality of circumferentially spaced, longitudinal grooves. ...	09/02/1980
4215700	Blood collection device A blood collection device used in taking a small sample from a patient for test purposes is provided with a capillary tube and vented tube holder disposed in the upper end of a blood collection container. Integral radial extensions allow the container to ...	08/05/1980
4207203	Uric acid standard solutions Stable aqueous solutions useful as standards in the determination of uric acid are disclosed. The solutions have a pH of about 6-7 and contain a buffer and a known concentration of uric acid present in solution as a salt of the pH-controlling buffer compo...	06/10/1980
4189382	Blood coagulation and separation Methods and apparatus for separating blood which utilize suspendable contact-activating particles to initiate blood clotting generally throughout the volume of blood are disclosed herein. The contact-activating particles are deposited in a vessel; and whe...	02/19/1980
4180465	Fluid collection device with phase separation means A fluid collection device includes a blood collection tube having a negative pressure therein and sealed at one end by a stopper pierceable by a needle cannula for drawing a blood specimen into the tube for centrifugal separation into a relatively light p...	12/25/1979
4172448	Fluid sampling device A blood sampling device includes an expansible, flexible container which, when unfilled, lies flat with its opposed sides together. The container is connected to a support having a passage for connecting the container with a needle cannula. A manually ope...	10/30/1979
4152270	Phase separation device A fluid collection device for receiving a liquid, such as blood, and which is adapted to be centrifuged to separate it into its relatively light and heavy phases. The collection device has a phase partitioning device having a specific gravity intermediate...	05/01/1979
4150666	Tube holder for blood collection tubes of different sizes A blood collection needle and tube holder having a barrel open at one end for receiving a blood collection tube and having an end wall at the opposite end carrying an axially extending double-ended needle cannula. The barrel has longitudinally extending, ...	04/24/1979
4138457	Method of making a plastic tube with plural lumens A plastic tube is provided which has a main lumen, an auxiliary lumen, and an integral connector at one end for connecting the main lumen in fluid communication with another device. The auxiliary lumen extends longitudinally within the side wall of the tu...	02/06/1979

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Assignee: Sherwood Medical Industries Inc.