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| Number | Title | Issue Date |
| 4280477 | Combination fence and solar heater for swimming pools A combination fence and solar heater for swimming pools comprises a fence shaped for extending about the periphery of the pool to restrict ingress and egress therefrom. A tubular heat exchanger is formed in at least one section of the fence, includes an e... | 07/28/1981 |
| 4280478 | Freeze protection apparatus for solar collectors A freeze protection system allows the working fluid contained in the communicating tubes of the solar collector to drain from both the input and output tubes of the collector when a first predetermined temperature of the working fluid is detected and to f... | 07/28/1981 |
| 4280479 | Solar heat collector A solar heat collector that pre-heats water for a household hot water heating system, and also heats the air inside a house; the device including solar heating panels set into an A-shape, and enclosing an area therein containing a water tank and a wristat... | 07/28/1981 |
| 4280480 | Solar heating plant A simple solar heating plant comprising multiple reflectors, primary and secondary compartments, an air heating assembly and a concealed solar heat collector being formed and constructed in an enclosed shed. The shed is provided with a single entrance for... | 07/28/1981 |
| 4280481 | Forced-air heat exchange system The present forced-air heat exchange system has a solar collector through which air is circulated by a blower to the air inlet of a heat exchanger. The heat exchanger has an air outlet connected to a recirculation duct leading to the air inlet of the blow... | 07/28/1981 |
| 4280482 | Method and apparatus for collecting, intensifying and storing solar energy A method and apparatus for collecting, intensifying and storing solar energy which includes a hollow spherical vessel having a polished reflective interior surface. A window is provided in the wall of the vessel for allowing concentrated rays from the sun... | 07/28/1981 |
| 4280483 | Solar heater A solar heater adapted to be made as an integral, sealed unit for installation in a building exterior wall or for use in an existing window opening or the like. A collector is operative to transfer solar heat to an adjacent evaporator to heat and vaporize... | 07/28/1981 |
| 4280484 | Solar roofs A solar roof for a building which is transparent to sunlight and protects the building from weather has a synthetic resinous thermal insulating pad disposed on a rigid substrate which closes the top of the building. Laterally spaced plate members are disp... | 07/28/1981 |
| 4280485 | Compression device with simulator A device for normally applying compressive pressures with a pair of sleeves against a patient's limbs from a source of pressurized fluid. The device has a first elongated pressure sleeve for enclosing a length of the patient's limb having fluid pressure c... | 07/28/1981 |
| 4280486 | Foot exerciser A foot exercising device is disclosed. The foot exercising device includes a pair of foot pedals and a motor for reciprocating the foot pedals. A slip clutch is connected between the foot pedals and the motor to enable the foot pedals to be reciprocated i... | 07/28/1981 |
| 4280487 | Pulsating inflatable-deflatable pad assembly and method An apparatus and method are disclosed for promoting the evaporation of perspiration from an absorbent sheet of foam or other material covering an inflatable-deflatable patient-supporting bed pad. The pad has a multiplicity of perforations in its top wall ... | 07/28/1981 |
| 4280488 | Ankle support with elastic panel The disclosed invention is an improved semi-rigid, ankle support generally conforming to the instep, ankle, and lower leg, and wearable inside a shoe, said support being comprised of one or more non-elastic panels and one or more elastic panels extending ... | 07/28/1981 |
| 4280489 | Ankle brace There is provided a generally U-shaped stirrup member having a base portion and a pair of opposed sidewall portions attached to the base portion. A pair of air-inflatable liners or airbags are disposed interiorly of the stirrup member in juxtaposed relati... | 07/28/1981 |
| 4280490 | Universal splint A universal splint for use in immobilizing a body extremity or extremities that consists of a backboard with strap fasteners for securing it across a person's back. The backboard includes an elongate track formed thereacross wherein at least one locking p... | 07/28/1981 |
| 4280491 | Powered air respirator A powered air respirator which provides hardhat (safety helmet), respiratory, eye and face protection and comprises a hardhat, a shell member spaced from and overlying the hardhat, air filtering means in the space between the shell member and the hardhat,... | 07/28/1981 |
| 4280492 | Tracheostomy tube An apparatus and device for permitting a person with a tracheostomy to speak while being ventilated. A tracheostomy tube having an orifice in its tubular wall and a valve means in operative association with the orifice are provided. A valve controlling me... | 07/28/1981 |
| 4280493 | Nose shield The nose shield is adapted to be located in and to conform to the lining of the nostril of the nose so as to shield the nasal passage or passages from wind or air currents which bring discomfort to some persons. The nose shield is effective to prevent air... | 07/28/1981 |
| 4280494 | System for automatic feedback-controlled administration of drugs A system for automatic feedback controlled administration of drugs (SAFCAD) is disclosed for the control of administration of drugs responsive to real-time processed physiological or pharmacological signals. Control apparatus implemented by analog, digita... | 07/28/1981 |
| 4280495 | Air emboli detection Air emboli detection method and apparatus for use in cardiopulmonary bypass surgery or the like comprising modular sensor, control and power units. The sensor unit is adapted to releasably clamp a blood flow tubing or conduit in a vertical orientation bel... | 07/28/1981 |
| 4280496 | Phlebotomy needle assembly A phlebotomy needle assembly is provided which permits an anticoagulant to be mixed with whole blood immediately adjacent the cannula through which the whole blood is drawn, to prevent coagulation. A blood-anticoagulant mixing device has a blood inlet for... | 07/28/1981 |
| 4280497 | Container for platelet storage A plastic bag containing a platelet concentrate is disclosed wherein the viability of platelets remains at a high level even after storage at 22° C. for up to five days. The bag in which the platelet concentrate is stored comprises walls of polyvinyl chl... | 07/28/1981 |
| 4280498 | Valved drain assembly for urostomy pouch A drain assembly for a urostomy pouch or other similar collection device for permitting continuous overnight draining of the pouch into a suitable receptacle, thereby allowing the user to wear the pouch in bed without the risk of fluid leakage or the inco... | 07/28/1981 |
| 4280499 | Oryotherapy apparatus Cryotherapy apparatus for effecting localised cooling of body tissue comprises an intensively cooled hollow probe extending from a handle. Cooling of the probe is effected by refrigerant passed through a capillary tube in the probe to expand and evaporate... | 07/28/1981 |
| 4280500 | Tubular flexible medical instrument A tubular flexible medical instrument of polytetrafluoroethylene capable of easy insertion into and extraction from body cavities. The tube has alternate solid portions and porous fibrillated portions in either a ring or spiral mode. Such a tube has suffi... | 07/28/1981 |
| 4280501 | Inflatable catheter means and method A catheter of the type having integrally attached fluid control means inflating a holding collar through a secondary inflation tube integrally attached longitudinally to the catheter is provided with a simple clamping means movable axially adjacent the ca... | 07/28/1981 |
| 4280502 | Tachycardia arrester A method and apparatus are provided for detecting and arresting a condition of tachycardia. Stimulating pulses are provided in a search routine within a selected time interval after a tachycardia beat. The heart is monitored after each pulse application a... | 07/28/1981 |
| 4280503 | Bipolar electrode insertion apparatus A bipolar electrode insertion apparatus (20) in which a common needle (34) is employed for selectively placing both a heart stimulating fluid (62) and a bipolar electrode pair (40) into the heart. Verification of entry into the heart chamber prior to plac... | 07/28/1981 |
| 4280504 | Device for treatment with interference currents In interference current therapy, medium-frequency alternating currents are applied by means of electrodes to the body of a patient that is to be treated, the currents differing by a low-frequency difference frequency and interfering with each other in the... | 07/28/1981 |
| 4280505 | Fixation ring for transcutaneous gas sensor probe A fixation ring for a transcutaneous gas sensor probe adapted to be removably mounted on the probe with a bore in the ring communicating with the electrodes of the probe. The fixation ring includes a membrane mounted therein which is tensioned in cooperat... | 07/28/1981 |
| 4280506 | Digital watch/infrared plethysmograph having a removable pulse sensor unit for use with a finger cuff extension A digital watch having a face mounted detachable pulse sensor unit coupled to infrared plethysmograph electronics within the watch. The pulse sensor unit is detachable from a receptacle on the watch face and mountable into a receptacle at a first end of a... | 07/28/1981 |
| 4280507 | Patient cable with distributed resistance protection in conductors A harness for connecting the inputs of an EKG machine or the like to electrodes attached to the body of a patient in which the series resistance required to protect the machine from the presence of high energy pulses applied to the body by a defibrillator... | 07/28/1981 |
| 4280508 | Method for positioning a fluid withdrawing means by detecting local temperature A method for withdrawing a sample of enclosed fluid from an internal organ of a living mammal by using a temperature-sensitive probe to reliably position a fluid withdrawing means into the fluid containing organ. In particular, a method for detecting a ch... | 07/28/1981 |
| 4280509 | Valved blood sampling device A cannula for blood extraction with a controllable flow includes an injection cannula and a discharge cannula interconnected by a flexible tube wherein the tube is capable of being squeezed tight between the cannulae by a mechanism which applies pressure ... | 07/28/1981 |
| 4280510 | Sutureless myocardial lead introducer The sutureless myocardial lead introducer herein disclosed includes a handle having at the distal end thereof means for releasably holding a body tissue electrode for screwing into body tissue and is provided with a longitudinal slot extending toward the ... | 07/28/1981 |
| 4280511 | Ring electrode for pacing lead and process of making same Ring electrode for a pacing lead where the ring electrode is secured to a conductor coil by soft metal disposed in a slit in insulation over the conductor coil. A slit or hole is punched into the insulation before or after the insulation is pulled over th... | 07/28/1981 |
| 4280512 | Cardiac pacemaker electrode for transvenous application In a cardiac pacemaker electrode for transvenous insertion including a lead, a wire spring arrangement in electrical contact with the lead for fastening the electrode in the heart, a hollow cylinder, a piston to which the wire spring arrangement is connec... | 07/28/1981 |
| 4280513 | Tool and method for attaching electrode to body tissue Tool and method for attaching an electrode having a rigid screw-like conductor to the heart or other body tissue. The tool has an elongated handle and a driving head mounted for rotation about an axis generally perpendicular to the handle. The electrode i... | 07/28/1981 |
| 4280514 | Endocardial pacemaker electrode An endocardial pacemaker electrode is constructed of electroconductive metal inert to blood and consists of a dense rigid metal substrate and a rigid porous metal coating adhered to at least a major portion of the substrate. The electrode has a regular ge... | 07/28/1981 |
| 4280515 | Use of a mixture of isomers of caryophyllene alcohol or dihydro caryophyllene alcohol in augmenting or enhancing the aroma or taste of smoking tobacco, smoking tobacco articles and/or smoking tobacco flavors Described is the use of a mixture of isomers of caryophyllene alcohol or dihydro caryophyllene alcohol including 10,10-dimethyl-2,6-dimethylene bicyclo(7.2.0)undecan-5-ol in augmenting or enhancing the aroma or taste of smoking tobacco, smoking tobacco ar... | 07/28/1981 |
| 4280516 | Method and apparatus for producing a continuous filler of tobacco or the like The production of an elongated filler which is to be densified, wrapped and severed to yield discrete cigarettes is controlled in dependence on the mass flow of the filler after densification and is influenced by a parameter, such as the height, density, ... | 07/28/1981 |
