Abstract: A sensor for the noninvasive measurement of the pulse rate and/or oxygen saturation of the blood of a person has a housing holding a transmitter and a receiver. The housing has thin, light-permeable layers in the areas of the light source surface of the transmitter and the light detecting surface of the receiver. Both the transmitter and the receiver are mounted on a flexible conductor plate. The housing is formed of a tight sheathing covering the transmitter, the receiver and the conductor plate supporting the transmitter and receiver.

Abstract: An optoelectronic sensor produces electrical signals representative of measurements of physiological values, especially the circulation parameters of a person. The sensor has at least one radiation transmitter and at least one receiver for radiation influenced by the physiological values being measured. The transmitter and receiver are covered with a transparent adhesive layer on their sides turned toward the object to be measured. The layer is transparent and adhesive at least on its side turned toward to the object to be measured. This transparent layer engages directly on the radiation outlet surface of the radiation transmitter and the radiation admission surface of the radiation receiver.

Abstract: A method and apparatus for the non-invasive examination of the blood circulation of a living organism uses a device having: a pair of sensors (18, 19), each of which detects the value .beta. (t) of a measurement value that changes during one pulse wave with the blood pressure of the organism and thereby with time, and transmits this value through signals; a pair of pressure sleeves for connecting the sensors with tissue of the organism through which arterial blood flows; and an electrical unit (21) for evaluating the signals of the mentioned sensors. The method includes setting two subdiastolic pressures which differ from each other by a small value in the two sleeves, transmitting signals obtained from the two sensors (18, 19) to the evaluating unit (21), and determining a circulatory function of the organism from transmitted signals in the evaluating unit.

Abstract: A holder sleeve locks a detecting and measuring sensor into position, especially a detecting and measuring sensor for oximetric measurements, on the surface of a protruding part of a human body. The sensor includes a light source and a receiver which is sensitive to its radiation. The sleeve is elastically expandable and completely surrounds the body protruding part. each of two diametrically opposite sections of the sleeve has a recess opening to the sleeve inside surface or is radiation-permeable to receive and hold the transmitter or the receiver. Both portions of the sleeve lying between these sections have pluralities of folds following one another around the sleeve periphery, with each fold forming a spring.

Abstract: A connector system for electrical conductors has at least one shaft insert member including a plurality of identical connectors arranged equidistant in a row adjacent to one another. Individual plugs are adapted to the connectors, and are housed in a casing adjacent to one another. The individual plugs can be inserted from one end of its casing. A locking mechanism in the form of a strip is provided as a locking element. When locked, the strip is arranged in a slot in the casing, which slot extends across one of the two sides of the casing. The casing sides engage all of the individual plugs. The slot opens into the inside chamber of the casing. Each individual plug is provided with a lock-in recess to receive the part of the locking strip projecting into the inside of the chamber.

Abstract: A method is disclosed for the determination of the saturation of the blood of a living organism with oxygen and an electronic circuit for performing this method is also disclosed.The method resides in red light and infrared radiation being simultaneously beamed into living tissue and the mixed residual radiation emanating from the irradiated tissue being received by a phototransistor 18 and the infrared radiation contained in the mixed residual radiation being received by an identical phototransistor 17 with a green filter 20 arranged in front of it. The measured intensity of the residual infrared radiation is subtracted from the measured intensity of the mixed residual radiation by an electronic circuit so as to obtain the intensity of the residual red light radiation and the residual infrared radiation. The saturation of the blood with oxygen can be computed from the values represented by these intensities of the residual infrared and red light radiations.

Abstract: A socket for a multipolar plug connector for direct soldering onto or into a printed circuit board with contact bodies arranged in compartments of an insulating contact carrier and having formed on them contact lugs which protrude beyond the socket comprises a clamping strip which is made of electrically insulating material and is arranged at a distance from the side of the contact carrier exhibiting the exit openings for the contact lugs. This clamping strip has a number of separate clamping points which correspond to the plurality of compartments and in which the contact lugs are fixed between their free end and the end connected to the contact body in a freely selectable arrangement with respect to the compartments.

Abstract: In a contact device for making an electrically conductive connection between a conductor and a contact stud of an ECG electrode, a spring element serves as a contact part and has an apertured plate with an aperture therethrough. The apertured plate with the aperture is arranged in front of contact zones of the spring element. The diameter of the aperture is selected such that only a contact stud with a head which does not exceed a permissible maximum diameter is insertable into the contact device through the apertured plate.

Abstract: A cable which can be exposed to moisture, especially for medical apparatus, has at least one electric tinsel conductor. The material of the metal foil has a high portion of nickel to prevent corrosion caused by moisture.

Abstract: A cable support with tines has a first tined member including open chambers between its tines. Each chamber receives one cable. To hold the individual cables tightly independently of their dimensional deviations, a second tined part with an identical tine distribution is associated with the first tined part. The tines of the first tined part are positioned between the tines of the second tined part. A detachable catch connection provides two-way connection of the two tined parts.

Abstract: An electrical connector attached to a coaxial cable has two contacts connected with the cable inner and outer conductors and a housing about a shield. To provide a simple and low-cost electrical connector, an electrical element is surrounded by insulation and is mounted in an electrically insulated cast element. The part of the cast element inside the housing is surrounded by an electrically conductive plastic shield, which shield is electrically connected with the cable outer conductor and one of the contacts.

Abstract: A connector for attachment to a stud having an enlarged head includes an annular slit spring element with a connection lug. The lug is attached to the wire to be electrically connected to the stud. The spring element has an annular portion of reduced diameter to engage the stud. The conductive parts are inclosed in a molded housing which is formed with a gap to permit expansion of the spring element.