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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 5137518 | Instantaneous vein entry indicator for intravenous needle A device is provided for indicating when an intravenous needle has entered the vein through the use of a solid fiber optic mounted in the needle for showing visual instantaneous vein entry. The hub has a special light source connection to enhance the degr... | 08/11/1992 |
| 5131405 | Universal blood draw safety holder A blood draw needle holder is modified on the outside surface of the closed end and the inside surface of the open end so that the closed end of one holder interlocks with the open end of another holder. As a result, one holder with no needle, but identic... | 07/21/1992 |
| 5120320 | I.V. infusion or blood collection assembly with automatic safety feature An intravenous infusion set and/or blood collection assembly is provided with a safety feature for covering the used needle with a simple movement. The assembly is comprised of a structure which is of very economical and simple construction, which allows ... | 06/09/1992 |
| 5116323 | Arterial catheter An assembly is provided for easing the insertion and placement of an arterial catheter in the blood vessel of a patient. The assembly includes the combination of an insertion needle and guide tube which pass through the lumen of a catheter, and prior to u... | 05/26/1992 |
| 5100021 | Pipette dispenser package A combined dispenser tray and package is provided for pipettes. The tray is elongated with a stepped front wall which provides a dispensing position for sequentially dispensing individual pipettes, as required. The front wall includes a built-in curved wa... | 03/31/1992 |
| 5092858 | Liquid gelling agent distributor device A device is provided for deliberately distributing simultaneously over the entire vertical and/or longitudinal extend of a body of aqueous containing liquid a gelation agent for the rapid containment of contaminated aqueous liquids. The device is an elong... | 03/03/1992 |
| 5066284 | Vent for flashback plug A flashback vent plug is provided for catheters with air vents drilled by a laser beam which allow venting of the hollow plug upon venous entry, but which vents are so small that blood cannot pass. As a result, no leakage ever takes place. As a further fe... | 11/19/1991 |
| 5064415 | Catheter obturator with automatic feed and control An obturator is provided which allows for placing and withdrawing of a single catheter obturator over an extended period of time so as to allow spaced intervals of use, and non-use of a catheter while in place in the patient's skin, while at the same time... | 11/12/1991 |
| 5060387 | Blade handle A handle is provided for blades, and particularly surgical blades, which allows simple insertion sequentially of a plurality of blades, and closure to a locked postion of the blade, upon insertion. The two parts of the handle pivot relative to one another... | 10/29/1991 |
| 5038708 | Apparatus for coating the internal surfaces of tubular structures Apparatus designed to coat the internal surfaces of tubular structures, and particularly for coating small diameter tubular structures having porous walls with a controlled coating material which may be a polymer, for example. The arrangement includes str... | 08/13/1991 |
| 5030207 | Instantaneous vein entry indicator for intravenous needle A device is provided for indicating when an intravenous needle has entered the vein through the use of a solid fiber optic mounted in the needle for showing visual instantaneous vein entry. The distal end of the fiber optic is polished to be flush with th... | 07/09/1991 |
| 5030210 | Catheter valve assembly An improved valve assembly is provided for the distal end of a catheter, and particularly a central venous catheter for controlling fluid passage from the catheter to the blood flow passage in which it is inserted, and flow in the opposite direction. A re... | 07/09/1991 |
| 4999303 | Multiplate subculture solid media devices A multiplate subculture solid media device is provided with a connection for internal flow communication with a liquid medium culture bottle. The device includes a large transparent screw cap on one face thereof to gain easy access to the plurality of med... | 03/12/1991 |
| 4994393 | Blood partitioning composition A composition is provided for use, particularly in evacuated blood collection tubes, as a blood partitioning composition. The composition is useful in provididng cleaner serum or plasma samples for biochemical tests, including a wide range of drugs. The c... | 02/19/1991 |
| 4991104 | Computer generated stopper A stopper or closure is provided as a closure for containers in which the stopper profile is computer generated to take into consideration radial stress at the stopper/container interface, and to eliminate tensile stress therealong which tensile stress is... | 02/05/1991 |
| 4976697 | Catheter obturator with automatic feed and control An obturator is provided which allows for placing and withdrawing of a single catheter obturator over an extended period of time so as to allow speed intervals of use, and non-use of a catheter while in place in the patient's skin, while at the same time ... | 12/11/1990 |
| 4964413 | Flow inducing means for small volume containers An arrangement is provided for inducing rapid flow of a blood sample into a collection assembly for the sample, with the arrangement including an elongated member of narrow width positioned in the flow path of the blood from the source therefore to the co... | 10/23/1990 |
| 4952359 | Method for making splittable catheter A method is provided for making a splittable introducer catheter by co-extruding two different polymers of differing solubilities, so that v-shaped strips are formed on each side of the catheter wall which may be easily stripped from the main catheter tub... | 08/28/1990 |
| 4944918 | Sterilization of blood component separation devices A method of sterilization is provided and a sterilized product from the method for blood separation tubes utilizing a density gradient medium comprised of ficoll and sodium diatrizoate alone or in combination with other such mediums by exposing such mediu... | 07/31/1990 |
| 4944730 | Organizer and dispenser for blood sample needle holders An organizer and dispenser device is provided for holding and dispensing a plurality of blood sample needle holders maintained at a nursing station for use sequentially during the taking of blood samples from patients. The elongated device of the inventio... | 07/31/1990 |
| 4936679 | Optical fiber transducer driving and measuring circuit and method for using same Disclosed in an optical fiber transducer system with energy generating means for transmitting pulsing energy at various frequencies to bidirectional couplers for each frequency. The couplers record the intensity and further transmit the pulsing energy to ... | 06/26/1990 |
| 4932081 | Sputum cup A system is provided for easing the placement of the final screw cap onto a sputum collection container so as to avoid dropping the cap or spilling the specimen in the container onto the hands of the user. An opening is provided in the side wall of the ou... | 06/12/1990 |
| 4920977 | Blood collection assembly with lancet and microcollection tube A combined throw-away lancet and blood microcollection tube assembly is provided with a housing having outer dimensions for the assembly the size of a standard test tube for ease of handling and labeling, which housing incorporates a built-in lancet and b... | 05/01/1990 |
| 4912058 | Roller bottle A roller bottle is provided with provision for increased internal surface area for cell growth by the use of a foamed, textured or woven liner or sleeve inserted into the bottle prior to use. The sleeve may be used in a single use roller bottle or a multi... | 03/27/1990 |
| 4886071 | Package including syringe and needle A system is provided for receiving, maintaining and processing blood samples for the subsequent separation and testing thereof. A pre-packaged blood sample receiving vessel is provided containing appropraite additives and a quantity of beads or other phys... | 12/12/1989 |
| 4886072 | Multiple sample needle assembly with vein indicator A multiple liquid sample needle assembly is provided. The assembly includes a housing with a sample receiving chamber having translucent or transparent walls for determining whether access to the sample source in question has been obtained. The invention ... | 12/12/1989 |
| 4877520 | Device for separating the components of a liquid sample having higher and lower specific gravities A device is provided for separating the components of a liquid sample by centrifugation by dividing that portion of the sample having a higher specific gravity from that portion having a lower specific gravity, by utilizing a dual component assemby arrang... | 10/31/1989 |
| 4867746 | Needle shield An arrangement of needle shield is provided which may be attached to the hub of a syringe or multiple blood sample holder, which shield is flexible and moves out of the way of the needle point for insertion into the skin, and which moves automatically ove... | 09/19/1989 |
| 4844245 | Blood collection needle disposal system A closure is provided comprised of a thin flexible material for use on a needle disposal container so that a contaminated blood collection needle may be removed from its holder and deposited in the container without the user touching the needle or the nee... | 07/04/1989 |
| 4840908 | Culture bottle assembly A culture bottle assembly is provided with an upright support carrying an agar slant surface arranged to be exposed, intermittently, to a body fluid sample and a nutrient broth to culture on the slant potential organisms contained in the sample. The arran... | 06/20/1989 |
| 4834720 | Implantable port septum A septum is provided for use with implantable ports used for repeated drug delivery infusions. The septum allows for a substantially higher (more than twice) number of punctures prior to leakage and failure. This is achieved by the use of two different Sh... | 05/30/1989 |
| 4830217 | Body fluid sample collection tube assembly An assembly is provided for receiving, maintaining and storing blood samples taken from individuals some of whom may have a disease which can contaminate anyone handling the sample. The assembly includes a glass tube which may be evacuated for facilitatin... | 05/16/1989 |
| 4827944 | Body fluid sample collection tube composite A composite body fluid sample container is provided which incorporates at least one dry chemistry test strip into the structure with a shrink-wrap film whereby a plurality of chemically impregnated patches are exposed simultaneously in a self-contained de... | 05/09/1989 |
| 4817593 | Process for preparation of polyurethane condoms A process of making a polyurethane condom which comprises providing an organic solvent solution of a polyurethane, a single dipping of a condom form or mold into the polyurethane solution, raising the form from solution and allowing the resultant deposite... | 04/04/1989 |
| 4818386 | Device for separating the components of a liquid sample having higher and lower specific gravities A device is provided for separating the components of a liquid sample by centrifugation by dividing that portion of the sample having a higher specific gravity from that portion having a lower specific gravity, by utilizing a dual component assembly arran... | 04/04/1989 |
| 4810652 | Cell growth harvester for roller bottles A harvester is provided for mechanically removing cells from the internal surfaces of conventional, unmodified roller bottles. The device is a foldable, flexible arrangment which may be inserted into the neck openings of conventional roller bottles, witho... | 03/07/1989 |
| 4801428 | Blood sample sedimentation test kit A test kit is provided for measuring the erythrocyte sedimentation rate automatically in the original blood collection tube which is of a size and is so modified to be used for the resulting testing that no further blood transfer is required. The blood co... | 01/31/1989 |
| 4800878 | Electrosurgical knife with visual alarm A disposable electrosurgical knife handle and blade is provided with a built-in warning light positioned on the top of the handle in the surgeon's line of vision during surgical procedures in order to warn, instantly, of unwanted surges in the electrical ... | 01/31/1989 |
| 4782647 | Flexible packaging and the method of production Methods are provided for producing flexible packages and particularly transdermal medication patches. The method includes the continuous and rapid production of a plurality of such packages while continuously treating one portion of the laminate forming t... | 11/08/1988 |
| 4776846 | Splittable catheter composite material and process Disclosed is an apparatus and method for preparing a catheter tube which has a longitudinal line of weakness extending axially there along as a place of preferential splitting. The method includes co-extruding two materials into the tubular cross-sectiona... | 10/11/1988 |
