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| Number | Title | Issue Date |
| 4362762 | Method of making a water resistant orthopedic cast A method of improving the wet-strength characteristics of a plaster of Paris cast is disclosed. The cast bandage is immersed in dip water which contains 2%-15% by weight of a fluorochemical or the fluorochemical is applied to the finished cast. The fluoro... | 12/07/1982 |
| 4340615 | Apparatus for analysis of absorbed gases A device in the form of a flexible intravascular probe for use in analyzing absorbed blood gases includes a gas-permeable membrane 10 comprising two layers in intimate contact and supporting each other. The permeability of the second layer 6 is significan... | 07/20/1982 |
| 4331697 | Novel heparin derivative, method for production thereof, and method for rendering biomedical materials antithrombotic by use of the novel heparin derivative A heparin derivative in which at least 0.5% of the entire hydroxyl groups of heparin are in the form of an ester of the following formula ##STR1## wherein R1, R2 and R3 each represent a hydrogen atom or an alkyl group... | 05/25/1982 |
| 4311146 | Detachable balloon catheter apparatus and method A detachable balloon catheter apparatus and method. The apparatus includes an introducer catheter which is attached at its trailing end to a source of pressurized fluid. The leading end of the catheter is attached to an inflatable balloon which may be inf... | 01/19/1982 |
| 4282287 | Biochemical avidin-biotin multiple-layer system A multiple-layer process for applying, in alternate, successive layers, the protein, avidin, and a biotin-containing extender material to a solid surface to modify the properties of the surface and to the multiple-layer product so prepared.... | 08/04/1981 |
| 4266999 | Catheter for long-term emplacement A cannula/catheter is provided which is suitable for long term or semi-permanent through-the-skin function while permitting tissue ingrowth which promotes healing and seals out sources of infection. The catheter is provided with a sheath formed of an elas... | 05/12/1981 |
| 4265927 | Method of heparinizing a charged surface of a medical article intended for blood contact A charged surface of a medical article intended for blood contact can be heparinized by being contacted with a collodial aqueous solution of a complex compound of heparin and a cationic surfactant, the particles of the collodial solution having attached t... | 05/05/1981 |
| 4265928 | Anti-thrombogenic retentive catheter An anti-thrombogenic retentive catheter with a negatively-charged surface is manufactured by providing it with a negatively-charged coating. The coating can be applied by immersing the catheter, at least once, into pyridine or a toluol/tetrahydrofuran sol... | 05/05/1981 |
| 4261512 | Inhalation aerosol spray device An improvement in inhalation aerosol spray devices comprising a piezoelectric oscillator connected to an atomizer plate, where the improvement resides in that the working surface of the atomizer plate is coated with a thin elastomer film, whereby the part... | 04/14/1981 |
| 4240796 | Method of treating capillary fibers Novel method of treating capillary fibers comprising introducing into the capillary fibers a carbon chloride fluoride or a mixture of the carbon chloride fluoride with a material capable of forming an azeotrope therewith to remove selectively octyl alcoho... | 12/23/1980 |
| 4219520 | Method of making thrombo-resistant non-thrombogenic objects formed from a uniform mixture of a particulate resin and colloidal graphite The disclosure is that of an invention directed to new compositions of matter comprising a mixture of a resin in particulate form and colloidal graphite; and the use of such mixture to form objects of predetermined sizes and shapes, the exposed surfaces o... | 08/26/1980 |
| 4153739 | Method for collecting blood The disclosure is of a method of maintaining the blood clot-activating properties of a siliceous surface in a blood collecting assembly. The method comprises coating the siliceous surface with a water soluble, inert, film forming barrier material. The adv... | 05/08/1979 |
| 4143423 | Surgical lubricants Plastic, natural or synthetic rubber surgical appliances such as gloves, condoms, drains, catheters and tubing are coated with a nontoxic chemical formulation to inhibit sticking during storage and to ease the installation of the device. The coating discl... | 03/13/1979 |
| 4100309 | Coated substrate having a low coefficient of friction hydrophilic coating and a method of making the same A substrate is coated with a polyvinylpyrollidone-polyurethane interpolymer. In the method, a polyisocyanate and a polyurethane in a solvent such as methyl ethyl ketone are applied to a substrate and the solvent evaporated. If the substrate is a polyureth... | 07/11/1978 |
| 4087567 | Anticoagulant coating method An anticoagulant coating composition suitable for coating the interior surfaces of a blood microsample collection tube, such as a capillary tube, is disclosed. The coating composition consists essentially of ethylene diamine tetracetate held in a matrix o... | 05/02/1978 |
| 4055682 | Catheter and the method of making A silicone catheter is rendered hydrophilic by contacting it with N-vinyl pyrrolidone (NVP) in bulk or in solution and exposing the catheter and NVP to ionizing radiation at high dose rate. Penetration of the NVP beyond a thin surface layer is prevented b... | 10/25/1977 |
| 3982543 | Reducing capillarity of polyglycolic acid sutures Useful surgical elements consist of a sterile synthetic copolymer containing, by mole percent, about 15 to 85 percent glycolic acid and 85 to 15 percent lactic acid, which has enhanced tissue absorption as compared with polylactic acid and enhanced solubi... | 09/28/1976 |
| 3955012 | Method for manufacturing medical articles composed of silicone rubber coated with collagen Medical articles composed of silicone rubber coated with collagen to be used in living body, are manufactured by subjecting a surface of shaped articles composed of silicone rubber to a spark discharge, coating the thus treated surface with an acidic aque... | 05/04/1976 |
| 3952334 | Biocompatible carbon prosthetic devices A biocompatible prosthetic device comprising a metal alloy substrate, an intermediate layer of a high-temperature polymer which is strongly bonded thereto, and an exterior coating of dense vapor-deposited carbon. The carbon layer is thromboresistant and s... | 04/27/1976 |
