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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 4120292 | Implantable electrochemical sensor having an external reference electrode The reference electrode, which is physically removed from the sensing electrode, is functionally connected by means of a Ringer's solution formulation serving as an electrolyte bridge between the reference electrode and the fluid or tissue of the patient ... | 10/17/1978 |
| 4116231 | Living body function measuring apparatus A heart/lung function measuring apparatus comprises a source for permitting a constant slight current of a high frequency wave of predetermined frequency to flow through a to-be-measured portion of a living body, a voltage detection section detecting a vo... | 09/26/1978 |
| 4114623 | Cutting and coagulation apparatus for surgery A device and system for the cutting and/or coagulation of human tissue with the use of high frequency currents. This invention is used to cut materials similar to the human tissue which can emit steam or gassy products when sufficiently heated. It control... | 09/19/1978 |
| 4112923 | Antonomic transcutaneous affect device A device for effectuating an automatic transcutaneous affect by applying energy to a living organism includes a self-contained power supply disposed in a housing. A probe circuit is utilized to detect points of high and/or low resistance in the organism. ... | 09/12/1978 |
| 4109648 | Electrode assemblies A skin electrode assembly comprises a body of hydrophylic gel, and an electrochemically inert member rendered conductive by the inclusion of carbon therein, the gel body and member being directly electrically connected. The member is suitably wholly of ca... | 08/29/1978 |
| 4109645 | Development of instruments measuring body resistance to ion and ionophoresis applications An instrument for measuring body resistance to ion and ionophoresis applications comprising a reading circuit for providing a reading of body resistance values after an established period during which the resistance values become stable, and a principle c... | 08/29/1978 |
| 4109660 | Method of tooth anesthetizing during dental treatment and device for effecting same Stablized d.c. voltage signals are applied to a tooth in the course of treatment, preferably, through the electric circuit between the ear lobe and the tooth. The voltage is selected between 1.7 and 2.2 volts. Electroanesthesia is induced by electric sign... | 08/29/1978 |
| 4106513 | Device and method for three point electro therapy A device and method for use in the treatment of arthritic symptoms in joints, for example finger and wrist joints, whereby a pulsating, low voltage, direct current electricity is applied to the skin surface at three points, causing electricity to flow thr... | 08/15/1978 |
| 4105017 | Modification of the growth repair and maintenance behavior of living tissue and cells by a specific and selective change in electrical environment Surgically non-invasive method of and apparatus for altering the growth, repair of maintenance behavior of living tissues and/or cells by inducing voltage and concomitant current pulses of specific time-frequency - amplitude relations therewithin.... | 08/08/1978 |
| 4103688 | Method and apparatus for sterilization A method and apparatus for sterilization wherein a flexible, non-resilient, filamentar electrode having an exposed cauterizing tip at one end thereof, and having a thin, dielectric, lubricous covering insulating the electrode up to the exposed tip, is ins... | 08/01/1978 |
| 4102341 | Electric knife device An electric knife device comprises a high frequency current source, a knife electrode, a patient electrode opposed to the knife electrode, a first wire coupling one output of the high frequency source and the knife electrode, a second wire coupling the ot... | 07/25/1978 |
| 4102331 | Device for transmitting electrical energy A device which is adapted to transmit electrical energy between an electrical instrument and a living body such as a human body. The device includes a support which has an outer face adapted to be placed in engagement with a surface such as a human skin s... | 07/25/1978 |
| 4100920 | Method and apparatus for transferring microorganisms through the skin barrier Method and system for transferring microorganisms through the skin barrier are described. The system comprises a pair of electrodes connected to a source of continuous current, a nutrient solution containing microorganisms and an impregnating spongy suppo... | 07/18/1978 |
| 4099519 | Diagnostic device Diagnostic and/or therapeutic tool with spaced electrode probe assemblies and piezoelectric element generating electric pulse.... | 07/11/1978 |
| 4096855 | Incentive spirometer There is disclosed an incentive spirometer for measuring, as desired, the inspiratory breathing capacity and/or the expiratory breathing capacity including a freely floating piston positioned within a chamber. The piston is responsive to an inspired breat... | 06/27/1978 |
| 4096852 | Skin conditioning indicator A circuit for an indicator having a constant current temperature measuring circuit that can be balanced so as to provide a norm on an indicator so that any excursion thereof therefrom would provide indication of the need for emollients or astringents in p... | 06/27/1978 |
| 4095601 | Electrotherapeutic apparatus An electrotherapeutic apparatus for external application comprising circuitry for generating direct-current voltage pulses having an amplitude between 4 and 22 volts and a frequency amounting to at least approximately 8.5 Hz.... | 06/20/1978 |
| 4095602 | Multi-portal radiofrequency generator A unique apparatus for multi-portal administration of radiofrequency range electromagnetic energy for therapeutic treatment of interior portions of various substrates including animals and humans which comprises an R.F. signal generator which is connected... | 06/20/1978 |
| 4094309 | Medical electrode A medical electrode for taking an EKG or the like made of a bi-stable conductive spring material in the form of an elongated flat member which can assume a stable linear state and can be easily applied and attached to a patient's arm or leg by lightly str... | 06/13/1978 |
| 4094320 | Electrosurgical safety circuit and method of using same An improved electrosurgical safety circuit where the currents in the active and patient leads are monitored, the monitored currents being respectively rectified and then subtracted from one another. Whenever the active current exceeds the patient or retur... | 06/13/1978 |
| 4092986 | Constant output electrosurgical unit An electrosurgical unit which provides a voltage output to a load. An oscator in the unit produces the output of a given frequency. A switching circuit coupled to the oscillator provides an unmodulated RF carrier from the oscillator for use in cutting pr... | 06/06/1978 |
| 4092985 | Body electrode for electro-medical use A body electrode for use as the indifferent, return electrode in electrosurgical and the like procedures includes a layer of fibrous webbing contacting a conductive metal plate of the electrode on one side and the patent's body on the other side. The laye... | 06/06/1978 |
| 4091803 | Transducers A transducer for optically detecting a cyclic phenomenon of variable frequency and supplying an electric signal corresponding to the frequency, comprises a light source for illuminating the site of the phenomenon and a detector for detecting variations in... | 05/30/1978 |
| 4088133 | Electrode for electrosurgical procedure An indifferent electrode for use in electrosurgical procedures comprises a sheet of conductive foam conformable to body surfaces and an electrical terminal carried by the sheet of conductive foam. The electrical terminal forms an external terminal part of... | 05/09/1978 |
| 4088125 | Method and apparatus for monitoring skin potential response Biofeedback training of a subject may be achieved by monitoring the skin potential response of the subject and by shaping the monitored response so that a feedback signal is generated only if the response exceeds pre-established upper and lower limits whi... | 05/09/1978 |
| 4086915 | Ear oximetry process and apparatus The invention relates to a non-invasive oximetry process for determining the value of oxygen saturation of the blood of a subject. In some ear oximetry processes, light at two or more frequencies is transmitted through the ear lobe or pinna of the ear of ... | 05/02/1978 |
| 4085739 | Electroencephalograph cap and electrode harness A flexible cap incorporating electrodes of an electroencephalographic apparatus is firmly held in place on a patient's head without inducing a muscular reaction by a pair of criss cross elastic straps connecting the cap to a band encircling the patient's ... | 04/25/1978 |
| 4084583 | Method and apparatus for measuring the bioelectrical activity under an electrode resting on a patient Method and apparatus for measuring the bioelectrical activity of a patient, wherein a signal electrode is placed on a patient and a plurality of auxiliary electrodes are placed adjacent the signal electrode. The auxiliary electrodes are connected by a res... | 04/18/1978 |
| 4084582 | Ultrasonic imaging system The invention is utilized in an apparatus for imaging sections of a body by transmitting ultrasonic energy into the body and determining the characteristics of the ultrasonic energy reflected therefrom. Such an apparatus typically includes a timer for gen... | 04/18/1978 |
| 4083367 | Method and apparatus for pulmonary function analysis A method and apparatus for analyzing pulmonary function including diffusing capacity and cardiac output or local pulmonary blood flow while necessarily determining alveolar volume in order to complete the above-noted analysis. In order to provide a rapid ... | 04/11/1978 |
| 4082086 | ECG monitoring pad There is disclosed an ECG monitoring device for attachment to the skin of an individual, which device includes a plurality of electrodes for monitoring bio-skin potential disposed at suitable locations on a base or substrate. The device includes a first r... | 04/04/1978 |
| 4082087 | Body contact electrode structure for deriving electrical signals due to physiological activity An electrode structure for use with medical electronics instruments such as electromyographs is described. A thin, flexible body of non-conductive material has one or more wells therein. A flexible conductive member which provides an electrode is disposed... | 04/04/1978 |
| 4080961 | Fetus scalp electrode instrument A cylindrical plug near the end of an insertion tube that is inserted through the mother's cervix to a position near the scalp of the fetus, carries at its forward end a pincers type electrode of fine spring wire which is held open so long as the shoulder... | 03/28/1978 |
| 4079731 | Medical electrodes A medical electrode, e.g. for electrocardiography is provided in the form of a pad, one side of which has an electrical terminal. The opposite side, which is to contact the patient's skin, has a removable assembly in which electrically conductive fluid is... | 03/21/1978 |
| 4078553 | Methods for investigating internal physiological phenomena The present invention is designed to permit accurate measurement of the variations over the passage of time in the electrical resistivity or in values associated with this resistivity in relation to a defined volume of the body which is acted on by an ele... | 03/14/1978 |
| 4078556 | Apparatus useful in suppression of spermatogenesis Apparatus useful in suppressing spermatogenesis in human males by applying ultrasonic vibrations to the testes. More particularly, apparatus useful in suppressing spermatogenesis by sonicating male testes including a cup for immersing the testes in an ult... | 03/14/1978 |
| 4078554 | Spirometric device A spirometric device for connection to the respiratory piping system of a patient and wherein a delivery pickup system is situatable on an exhalation branch of the system. The signals transmitted by a pressure pickup included in the device and situated on... | 03/14/1978 |
| 4077398 | Diagnostic electrode assembly A disposable electrode assembly for establishing electrical contact with an underlying skin surface includes a relatively thin base member having a central hub portion and an adhesive-coated undersurface, a conductive gel-impregnated sponge contact contai... | 03/07/1978 |
| 4077397 | Diagnostic electrode assembly A disposable electrode assembly for establishing electrical contact with an underlying skin surface includes a relatively thin base member having a central hub portion and an adhesive-coated undersurface, a conductive gel-impregnated sponge contact contai... | 03/07/1978 |
| 4077401 | Suppression of spermatogenesis A method of suppressing spermatogenesis in human males by applying ultrasonic vibrations to the testes. More particularly, a method of suppressing spermatogenesis by sonicating male testes by immersing them in an ultrasonic coupling agent and applying ult... | 03/07/1978 |
