Medical Use Or Attached To Human Body Patents (Class 439/909)
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Patent number: 5679026Abstract: A header adapter which is a separately molded part and which is designed to be secured to receiving portions of the header and pulse generator case of an implantable cardiac stimulation device, such as a pacemaker or implantable cardioverter-defibrillator, in order to provide a different lead connector port configuration than that provided by the header of the device. The header adapter has a plurality of adapter lead connector ports and a plurality of lead connectors affixed to a rear portion (mounting side) thereof. The lead connectors extend outwardly from the rear portion of the header adapter, and are insertable into corresponding lead connector ports of the header of the implantable cardiac stimulation device to which the header adapter is to be secured.Type: GrantFiled: December 21, 1995Date of Patent: October 21, 1997Assignee: Ventritex, Inc.Inventors: Eric S. Fain, Timothy A. Fayram
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Patent number: 5669790Abstract: A lead sealing device that resides within the connector cavity of a pacemaker or defibrillator intended to prevent fluid intrusion by automatically sealing the lead lumen when the lead connector is inserted. The sealing mechanism may be in the form of a silicone disk located at the base of the space defined by the connector cavity in which the lead is inserted to make electrical and physical contact. It may be fixedly located at the bottom of the connector cavity, or may be a movable plug located within the connector cavity at a location other than the bottom of the cavity, such as adjacent to the connector block. In that case, the pin will make contact with the movable plug immediately after passing through the connector block, and will remain in contact with and seal the lead lumen while the pin and plug are further advanced to bring the pin into its final location to make electrical contact with the connector contact.Type: GrantFiled: December 7, 1995Date of Patent: September 23, 1997Assignee: Ventritex, Inc.Inventors: Dean F. Carson, Richard J. Gable
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Patent number: 5666958Abstract: A temporary transvenous pacing system for obtaining a graphical record verifying the placement of temporary cardiac pacing lead within the ventricular cavity of a heart and for intracardiac recordings for arrythmia diagnosis. The system includes a temporary transvenous pacing lead having a distal electrode which terminates in a standard connector. A physiological monitor includes sensing electrodes having at least one connector adapted for electrical connection to a body surface. An interface module includes connectors adapted to interconnect the pacing lead to the monitor, and a coupling circuit for conditioning the pacing lead signals for use by the monitor. The pacing lead signals are displayed on an oscilloscope screen of the monitor, whereby an attending physician may adjust the pacing lead position in response to the electrical waveforms so obtained.Type: GrantFiled: April 6, 1995Date of Patent: September 16, 1997Inventors: Peter M. Rothenberg, Kent Melancon
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Patent number: 5657201Abstract: A portable data collection terminal including an arm mounting assembly is disclosed. The terminal includes a terminal housing having a docking base protruding from its bottom surface. The docking base is configured to snugly fit in a recess defined by a thin docking member. The docking member is secured to a sleeve overlying an operator's forearm by a flexible strap. The strength of attachment between the terminal housing and the docking member is small enough to permit the terminal housing to release from the docking member if a sufficient force is applied to the terminal housing.Type: GrantFiled: November 6, 1995Date of Patent: August 12, 1997Assignee: Teletransactions, Inc.Inventor: Gary Kochis
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Patent number: 5645440Abstract: An electrical connector is disclosed which provides connection of sensors to monitors. The connector is designed to be low-profile, permit ease of attachment and disconnection, and maintain a strong connection to prevent accidental disconnects.Type: GrantFiled: October 16, 1995Date of Patent: July 8, 1997Assignee: Masimo CorporationInventors: David R. Tobler, Thomas J. Gerhardt, Eugene E. Mason, Mike A. Mills
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Patent number: 5632274Abstract: A connector attached to an end of a twisted wire pair, whose other end has fetal and maternal electrodes. A driving tube is removed from the twisted wire pair by pulling a drive handle and driving tube over the connector. The outer diameter of the connector is smaller than the inner diameter of the driving tube. After the connector is free, it is inserted into a housing of a leg plate, which electrically interconnects terminals of the connector and thereby the electrodes with a remote monitoring device. The housing has finger grips to help hold the housing during the insertion of the connector. The leg plate also has a base which is held in position against a mother's leg and has a ground electrode which is also electrically interconnected with the device. The housing is rotatable relative to the base.Type: GrantFiled: December 6, 1994Date of Patent: May 27, 1997Assignee: Corometrics Medical SystemsInventors: Phillipp J. Quedens, Donald R. Boucher, John T. Shipherd, Michael J. Malis, Joseph A. Izzo
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Patent number: 5628773Abstract: A device for producing a micro connection element 24, 30, the device comprising a cylindrical outer sleeve 1, a cylindrical central element 2 arranged coaxially in the outer sleeve 1, a plurality of cylindrical spacers 3 arranged between the outer sleeve 1 and the central element 2; the spacers 3 respectively arranged between two neighboring assembly elements 4 which are in contact with the neighboring spacers 3, the central element 2 and the outer sleeve 1; the assembly elements 4 can be microplug pins having a length such that they extend out of the arrangement comprising outer sleeve 1, central element 2 and spacers 3 so that the pins can support sleeves for making a microcoupling or female connection element, or the assembly elements 4 can be bushes into which microplug pins can be inserted, with a sleeve being joined to the outer end of each pin for receiving an electric wire, to thereby make a microplug or male connector; the microcoupling and microplug can be used on the ends of an electric supply leadType: GrantFiled: January 20, 1995Date of Patent: May 13, 1997Assignee: Schwarz Pharma AGInventor: Ingolf Jasch
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Patent number: 5624281Abstract: A clasp for a biomedical electrode includes opposed cooperating jaw members. The jaw members can be end portions of a U-shaped leaf spring. A lever is pivotally mounted for engagement with the jaws for forcing the jaws together to grip an electrode placed between them. An opening is provided within the clasp for receiving the stud of a different style electrode and a retaining tab or finger is provided for engagement with the stud to shift the stud to a locked position in the opening when the lever is pivoted toward its operative position.Type: GrantFiled: December 14, 1994Date of Patent: April 29, 1997Inventor: Eddy K. G. Christensson
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Patent number: 5615674Abstract: A clamping contact connection is provided for contacting a fetal scalp electrode, which is fixable to the head of the fetus by means of a tubular insertion, aid with a leg plate fittable to the expectant mother. The clamping contact connection comprises a first contact element, which is at least partly wedge-shaped or tapers and has at least two outer contact faces, and a second contact element openable on its front end and which has at least two openable jaws with inner contact faces. During contacting, the jaws of the second contact element engage round at least the wedge-shaped or tapering area of the first contact element. Additional holding elements prevent the unintentional separation of the clamping contact connection. The connection permits an easy manufacture of the individual elements, good cleaning, safe and rapid connection and also separation of the contact elements, as well as adequate protection against accidental, incorrect mains connection.Type: GrantFiled: March 22, 1995Date of Patent: April 1, 1997Assignee: Hewlett-Packard CompanyInventor: Andreas Maurer
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Patent number: 5582180Abstract: A bifurcated electrical connector (14) includes a precordial lead connection site (18) and a limb lead connection site (16). A precordial connector (26) can be fitted into the precordial lead connection site (18) and a limb lead connector (32) can be fitted into the limb lead assembly connection site (16). The force required to separate the limb lead connector from the limb lead connection site is greater than the force required to separate the precordial lead connector from the precordial lead connection site. Additionally, a cover flap (75) covers the precordial lead connection site when the precordial electrodes are not in use.Type: GrantFiled: November 4, 1994Date of Patent: December 10, 1996Assignee: Physio-Control CorporationInventors: George H. Manset, Neil McIlvaine, Randall D. Mills
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Patent number: 5583392Abstract: An anode structure allows firmly connecting thereto a core conductor of a high-voltage supply lead without using any pressing tool. A CRT anode cap is provided with an insulated high-voltage supply lead and an anode structure electrically connected with a free end of the insulated high-voltage lead for engagement with a CRT anode button. A conductive plate member has, in its inside portion, two parallel protrusions and formed opposite to a protrusion of a conductive plate member. With a core conductor of the high-voltage lead placed between the protrusions, the conductive plate member is pressed in the direction to engage its engaging lug with a recess of a conductive plate member.Type: GrantFiled: March 9, 1995Date of Patent: December 10, 1996Assignee: Taisho Denki Kogyo Kabushiki KaishaInventors: Kazuo Wada, Hironobu Tokuno, Toshita Chihara
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Patent number: 5562607Abstract: An electrotransport system (50) includes a reusable controller (52) having a power source (60) and a separable disposable drug-containing unit (70). The controller (52) contains a switch (62) which disconnects the power source (60) from current drain when the controller (52) is uncoupled from the drug unit (70). A coupling means (74,66,105,72,64,104) physically and electrically connects together the controller (52) and the drug unit (70) such that the controller (52) provides electrical current to the drug unit (70) for electrotransport delivery of the drug to a body surface (eg, the skin) of a patient.Type: GrantFiled: January 18, 1995Date of Patent: October 8, 1996Assignee: ALZA CorporationInventor: J. R. Gyory
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Patent number: 5562710Abstract: A defibrillator patient connection system is disclosed for automatically identifying to a defibrillator system the type of pads or paddles assembly connected to the system for conveying electrical energy to shock a patient. Each of the available pads or paddles assemblies is identified by a corresponding analog voltage level provided to the base unit through a corresponding cable assembly. The identification voltage is sensed by an A/D converter in the defibrillator base unit. The identification voltage is provided to the base unit on a charge-done signal line which otherwise is asserted by the base unit to controllably actuate a charge-done indicator light in an external paddles assembly. The disclosed methods and apparatus thus maintain a simple defibrillator/cable assembly interface and require no additional signal lines for implementing automatic identification.Type: GrantFiled: May 5, 1995Date of Patent: October 8, 1996Assignee: Hewlett-Packard CompanyInventors: Kurt F. Olsen, Phillip H. Salvatori, Daniel J. Powers
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Patent number: 5560358Abstract: An electrical brain contact device and device for connecting a plurality of lead wires with individual take-up terminals is described. The lead wires in the brain contact device extend to a terminal mount with an array of lead-wire terminals on it. A connector assembly includes a connector block with a matching array of take-up terminals and an elongate cavity to receive the terminal mount, and a mechanism to removably draw the take-up terminals into terminal-to-terminal contact with the terminal mount to facilitate electrical connection.Type: GrantFiled: September 8, 1994Date of Patent: October 1, 1996Assignee: Radionics, Inc.Inventors: Michael A. Arnold, Eric R. Cosman, William A. Chiklakis
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Patent number: 5557210Abstract: A universal cable connector includes a plurality of different sized connectors adapted to mate with the proximal connectors of different sized implantable stimulation leads. The cable connector attaches to a system analyzer and enables the system analyzer to interface with whatever implantable stimulation leads are connected to the connector block, thereby allowing the system analyzer to perform desired tests, such as threshold-determining tests, using the implanted stimulation leads. An adapter cable and clamp is also provided that allows an electrical connection of the proper polarity to be established between an implantable stimulation device, e.g., an implantable cardioverter-defibrillator (ICD), and the connector block while the implantable stimulation device is connected to a patient and is operating, thereby permitting the system analyzer to monitor the performance of the implantable stimulation device.Type: GrantFiled: April 6, 1994Date of Patent: September 17, 1996Assignee: Pacesetter, Inc.Inventors: Armando M. Cappa, Warren R. Heer
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Patent number: 5546950Abstract: An electrocardiographic patient lead cable apparatus comprises an elongated cable part and a connector. The cable part has a plurality of connecting wires with connectors for the electrodes. The connecting wires are joined together for varying portions of their length to form a flat common portion of the cable part. The common portion is connected at one end to the connector. The connecting wires separate from the common portion at the selected locations along the extension of the common part from the end connected to the connector to form relatively short separated connecting wires. The lead cable apparatus so formed facilitates correct connection of electrodes positioned at various locations on the body of the patient and reduces or eliminates tangling of the connecting wires. The connector is of compact, lightweight construction.Type: GrantFiled: July 6, 1994Date of Patent: August 20, 1996Assignee: Mortara Instrument, Inc.Inventors: Kurt P. Schoeckert, David W. Mortara
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Patent number: 5509822Abstract: A unitary ECG monitor lead and needle electrode system includes a connector for connection to an ECG monitor junction; an electrode lead interconnected with the connector at one end of the electrode lead, the lead including a signal conductor; and a needle electrode unit interconnected with the other end of the electrode lead and including a needle electrode, a body portion for receiving the other end of the lead and for receiving an electrode needle, for forming the needle electrode unit as a single integral unit.Type: GrantFiled: May 30, 1995Date of Patent: April 23, 1996Assignee: PLC Medical Systems, Inc.Inventors: Charles C. Negus, Stephen J. Linhares, Robert I. Rudko
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Patent number: 5509928Abstract: A self-sealing septum for isolating the setscrew used to secure a pacing lead connector pin to an implantable medical device such as a cardiac pacemaker. The septum comprises a generally cylindrical elastomer body having a central axis and a self-sealing passage coaxial with the axis for receiving a tool such as a hex key for driving the setscrew. The body of the septum contains a generally ring-shaped stiffener element for providing internal support and preventing damage to the septum passage caused by insertion of the hex key.Type: GrantFiled: March 2, 1995Date of Patent: April 23, 1996Assignee: Pacesetter, Inc.Inventor: Alfred D. Acken
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Patent number: 5507787Abstract: The components of an adaptor device for use with cardiac pacemaker electrode catheters include a conductive element, typically a stilet, serving to ensure a sound connection between the already implanted spiral wound wire and a new pacemaker: in the improved adaptor, the conductive element is flexible, appearing as a further spiral wound wire secured by one end to a spindle and extending from the tip of the spindle along the entire length of the implanted wire in such a way as to terminate near the stimulation electrode, which is anchored in a ventricular wall of the cardiac muscle.Type: GrantFiled: March 10, 1995Date of Patent: April 16, 1996Assignee: X-Trode, S.r.l.Inventor: Enzo Borghi
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Patent number: 5498235Abstract: An iontophoretic delivery system permits transcutaneous delivery of a drug contained on a patch. The system includes a flexible planar patch having a medicament-containing surface in contact with the skin of a patient. A controller supplies electrical current to the patch to effect iontophoretic delivery. Convenient removable attachment of the controller to the patch is provided so as to permit periodic drug administration.Type: GrantFiled: September 30, 1994Date of Patent: March 12, 1996Assignee: Becton Dickinson and CompanyInventor: Ronald J. Flower
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Patent number: 5492491Abstract: A cable pinching section and a core wire connecting section are integrally linked together to allow connection of a cable before a terminal main body is assembled, thus simplifying a cable connection. In addition, terminal portions are formed as box-shaped terminals to obtain a reliable and stable engagement with a CRT anode electrode.Type: GrantFiled: April 28, 1994Date of Patent: February 20, 1996Assignee: Thomas & Betts CorporationInventors: Masahiro Yamamoto, Sumio Maekawa
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Patent number: 5482038Abstract: A holder (16) for releasably holding needle electrodes (18). The holder (16) includes a body (26) having a base slidably mounted within the body. Depressing the base into the body (26) releases a gripping assembly (50) located within the body (26) allowing a needle electrode (18) inserted into the holder to be removed. Releasing the base (24) causes the gripping assembly to engage a needle electrode inserted into the holder. The gripping mechanism (50) includes a chuck (60) having an opening sized to receive the needle electrode (18). The chuck engages a ferrule (73) that depresses the jaws (70) of the chuck (68) radially inwardly with respect to each other to reduce the size of the opening in the chuck thus holding a needle electrode (18) inserted into the chuck (68).Type: GrantFiled: June 28, 1994Date of Patent: January 9, 1996Assignee: Cadwell Industries, Inc.Inventor: Leonard H. Ruff
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Patent number: 5474469Abstract: An electrosurgical cord adapter assembly designed for use in conjunction with an electrosurgerical device includes an electrically connecting portion for receiving and electrically connecting an electrical pin of the electrosurgical device and an electrical cord, and an insulating boot with two opposing lateral sides integrally formed with the electrically connecting portion and having a closed back end and an open front end. The boot is designed to cover electrically conductive parts on a handle assembly or surgeon-manipulable portion of the electrosurgical device. Alternatively, the electrical cord can be integrally formed with the electrically connecting portion.Type: GrantFiled: October 18, 1993Date of Patent: December 12, 1995Assignee: American Cyanamid CompanyInventors: Charles Vassallo, Richard P. Dickerson
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Patent number: 5470343Abstract: A detachable power supply for supplying power from an external power source to a portable defibrillator for charging a battery of the portable defibrillator and operating the portable defibrillator includes a housing shaped to attach to the portable defibrillator and a latch connected to the housing for mechanically attaching the power supply to the defibrillator so that the power supply and the defibrillator form a portable, integral unit.Type: GrantFiled: June 10, 1994Date of Patent: November 28, 1995Assignee: ZMD CorporationInventors: Randall W. Fincke, Michael L. Lopin, Frederick W. Faller
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Patent number: 5452718Abstract: An electrode construction comprising a support structure, a conductive electrode material carried by the support structure and having a length and a width and having proximal and distal extremities, said support structure including a compliant sleeve having an open end and surrounding the distal extremity of the conductive electrode material while permitting the conductive electrode material to protrude through the open end, and conductive contact means making contact with the proximal extremity of the conductive electrode material.Type: GrantFiled: November 26, 1993Date of Patent: September 26, 1995Inventors: Christopher R. Clare, Albert J. Highe, Mir A. Imran
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Patent number: 5445537Abstract: A strain relief coupling assembly is disclosed for use for connecting a living body with medical monitoring device which records electrical signals generated by the body. The present invention provides mechanical separation between an adhesive pregelled electrode attached to the skin of the patient and an electrical lead transmitting signals to the monitoring device. The assembly thus reduces disturbances of the skin-to-gel contact site caused by the patient's movements, and results in a minimized noise component of recorded signals, effectively improving the quality of recorded traces for monitoring or measurement.Type: GrantFiled: October 31, 1994Date of Patent: August 29, 1995Assignee: SRC Associates, Inc.Inventor: Alex Abyzov
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Patent number: 5437277Abstract: RF tracking system employs a RF invasive device coupled to surgical tracking equipment for tracking the invasive device. An inductive coupling permits the device to be quickly coupled to, and decoupled from, the equipment. The coupling comprises an inducting coil which transmits a signal from the surgical tracking equipment to a communicating coil in the invasive device. The signal received by the communicating coil passes along leads to a tracked coil in a distal end of the invasive device. The tracked coil transmits the signal as RF energy which is received by the surgical tracking equipment which superimposes the position of the distal end of the invasive device on an X-ray image and displays it on a monitor A sterile shield is employed as a sterile barrier between the inducting coil and the equipment end of the invasive device to prevent contamination of the invasive device by the inducting coil.Type: GrantFiled: February 14, 1994Date of Patent: August 1, 1995Assignee: General Electric CompanyInventors: Charles L. Dumoulin, Robert D. Darrow
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Patent number: 5431695Abstract: An implantable medical device including a hermetic housing containing an electronic circuit, such as a cardiac pacemaker. The electronic circuit may be coupled to a medical lead by means of a connector module which is formed as part of a molded, resilient shroud, extending around the circumference of the hermetic container.Type: GrantFiled: November 23, 1993Date of Patent: July 11, 1995Assignee: Medtronic, Inc.Inventors: Craig L. Wiklund, Daniel A. Lyons, Eric M. Rieder, John E. Nicholson, Randy C. Schulhauser
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Patent number: 5413508Abstract: Rotary connector for use with a flexible elongate member having electrical properties and having a proximal extremity with at least first and second conductive spaced-apart sleeves provided thereon. A housing is provided having a bore therein. First and second spaced-apart conductive disks are disposed in said bore. The disks are adapted to have the proximal extremity of the flexible elongate member extend therethrough and to have the conductive sleeves be in contact with the conductive disks while permitting rotation of the flexible elongate member, a push button clamping assembly is carried by the housing for retaining the proximal extremity of the flexible elongate member in the housing. Leads are connected to the conductive disks.Type: GrantFiled: August 2, 1994Date of Patent: May 9, 1995Assignee: Cardiometrics, Inc.Inventor: Robert Z. Obara
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Patent number: 5407368Abstract: A connector for use with a tab style biomedical electrode is disclosed. The connector comprises pivotally mounted movable and fixed jaws and a spring biasing the jaws toward a closed position. The connector provides a high tab release force and yet provides an acceptably low actuation force. Preferably, the fixed jaw includes a smooth, continuous surface which facilitates insertion of the tab between the jaws of the connector.Type: GrantFiled: December 15, 1992Date of Patent: April 18, 1995Assignee: Minnesota Mining and Manufacturing CompanyInventors: Jerome E. Strand, Perry S. Dotterman
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Patent number: 5388579Abstract: A fetal electrode product for transmitting signals indicative of fetal heart rate from a fetus to a monitor. A drive mechanism slides and rotates a holder--to which are attached, at opposite ends, a fetal spiral electrode (FSE) and a reference electrode--to secure the FSE to the fetus. The drive mechanism has a solid drive rod, with at least two regions of different diameter defining the torque versus angular deflection characteristics of the drive rods and a clutch connected to the drive rod and imparting translation and rotation to the holder. The clutch is sufficiently pliable to slip over the reference electrode when the holder resists rotation. The drive rod, a handle, and the clutch are integrally molded together to form the drive mechanism and each has a channel transporting a twisted wire strand, which includes an untwisted length to facilitate removal of the FSE from the fetus, from the electrodes to a connector.Type: GrantFiled: September 23, 1993Date of Patent: February 14, 1995Assignee: Graphic Controls CorporationInventors: Edward Dowd, Joseph O'Neill, David M. DiSabito, James R. Hubbard, Cleatis A. Eichelberger
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Patent number: 5387122Abstract: The pulse oximeter probe uses an inexpensive connector to electrically interconnect the sensor elements with the pulse oximeter. One segment of the probe connector contains a set of connector pins that are wired to the sensor elements. Another segment of the probe connector is equipped with a mating configuration of sockets which align with these pins. Three projections function to automatically align the connector pins with the connector sockets. Two of the projections engage a mating aperture in the other connector segment to fasten the two connector segments together, while a third projection aligns with an edge of the other connector segment to position the two connector segments.Type: GrantFiled: May 18, 1993Date of Patent: February 7, 1995Assignee: Ohmeda Inc.Inventors: Daniel S. Goldberger, Timothy A. Turley, Kirk L. Weimer
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Patent number: 5373843Abstract: A connector attached to an end of a twisted wire pair, whose other end has fetal and maternal electrodes. A driving tube is removed from the twisted wire pair by pulling a drive handle and driving tube over the connector. The outer diameter of the connector is smaller than the inner diameter of the driving tube. After the connector is free, it is inserted into a housing of a leg plate, which electrically interconnects terminals of the connector and thereby the electrodes with a remote monitoring device. The housing has finger grips to help hold the housing during the insertion of the connector. The leg plate also has a base which is held in position against a mother's leg and has a ground electrode which is also electrically interconnected with the device. The housing is rotatable relative to the base.Type: GrantFiled: December 24, 1992Date of Patent: December 20, 1994Assignee: Corometrics Medical Systems, Inc.Inventors: Phillipp J. Quedens, Doanld R. Boucher, John T. Shipherd, Michael J. Malis, Joseph A. Izzo
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Patent number: 5372125Abstract: A biomedical monitoring or stimulating electrode that adheres to a person's skin is disclosed. The electrode is made of a thin, flat flexible material and includes a die-cut patch having a non-conductive adhesive coating applied on one side of the patch, a foundation component formed into four integral functional areas, a conductive component made up of an electrically conductive material with three contiguous portions, and a conductive media. Also disclosed is a connector that interfaces with a tab portion of the electrode. The connector includes an electrically conductive element having an inclined surface upon which the tab of the electrode rests. A slider is movable between two positions such that when in its closed position, the electrode neck and head is trapped in the connector and the slider exerts a force on the inclined surface of a cavity of the connector, providing electrical connection to electrode.Type: GrantFiled: August 13, 1993Date of Patent: December 13, 1994Assignee: Ludlow CorporationInventor: Joseph N. Lyons
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Patent number: 5358409Abstract: Rotary connector for use with a flexible elongate member having electrical properties and having a proximal extremity with at least first and second conductive spaced-apart sleeves provided thereon. A housing is provided having a bore therein. First and second spaced-apart conductive disks are disposed in said bore. The disks are adapted to have the proximal extremity of the flexible elongate member extend therethrough and to have the conductive sleeves be in contact with the conductive disks while permitting rotation of the flexible elongate member, a push button clamping assembly is carried by the housing for retaining the proximal extremity of the flexible elongate member in the housing. Leads are connected to the conductive disks.Type: GrantFiled: August 31, 1993Date of Patent: October 25, 1994Assignee: Cardiometrics, Inc.Inventor: Robert Z. Obara
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Patent number: 5355883Abstract: An electrode connector, for example a connector for electrocardiogram electrodes, has a connection head made from a material that is a good conductor of electricity, a contact member made from a material that is a good conductor of electricity and that is adapted to contact the connection head, a member for snap-fastening the connector to the connection head, an electrically insulative material protective cap at least partially enclosing the contact member and an electric cable comprising at least one electric conductor connected to the contact member. The electrode connector further comprises a device for detecting strain generating artefacts and comprising a strain sensor accommodated in the cap between at least part of the contact member and at least one interior area of the cap. At least one other electric conductor is connected to said strain sensor.Type: GrantFiled: December 23, 1992Date of Patent: October 18, 1994Inventor: Gilles Ascher
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Patent number: 5354220Abstract: An electrical connector (70) for use in connecting an ultrasonic transducer (16) to a coaxial cable (88) running through a catheter (10). The transducer is normally disposed at a distal end of the catheter and is removably attached to and supported by the electrical connector. The connector includes a plastic collar (72), and a pair of cylindrical, flexible conductive ring clips (74 and 76). Enlarged rims (82) on the ring clips are molded into the connector in coaxial alignment, and the ring clips are spaced apart from each other by a distance that corresponds to the thickness of the cylindrical transducer, but are slightly closer together at their projecting ends. Each ring clip include a plurality of circumferentially spaced-apart slots (84) to define a plurality of fingers (86), adding flexibility to the ring clips. One of the ring clips is electrically connected to a grounding shield of the coaxial cable and the other is electrically connected to an internal conductor of the cable.Type: GrantFiled: September 30, 1993Date of Patent: October 11, 1994Assignee: Diagnostic Devices Group, LimitedInventors: Dipankar Ganguly, Faina Pulvermakher
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Patent number: 5336251Abstract: A replacement cardiac pacemaker is connected to an already implanted electrode catheter from which the original connecting pin has been discarded, and the cut end of the severed spiral wound wire bared from its sheath, by an adaptor that comprises a sleeve accommodating a conductive spindle rotatable about its own axis and rigidly associated with a coaxial stilet projecting from an open socket end of the sleeve and insertable tightly into the bore of the bared wire; the sleeve also accommodates a second spiral wound wire interposed between the sleeve and the corresponding section of the stilet, attached by its ends respectively to the socket end and to the spindle, and a detachable key by means of which the spindle can be rotated in such a way as to subject the second wire to a torsional stress that results in the first wire being restrained against the stilet. The interlocked wires and stilet are encapsulated in an insulating outer sheath and made secure with surgical threads bound firmly around the sheath.Type: GrantFiled: January 12, 1993Date of Patent: August 9, 1994Assignee: X-Trode S.r.l.Inventor: Enzo Borghi
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Patent number: 5334045Abstract: A universal cable connector includes a plurality of different sized connectors adapted to mate with the proximal connectors of different sized implantable leads. The cable connector attaches to a system analyzer and enables the system analyzer to interface with whatever implantable leads are connected to the connector block, thereby allowing the system analyzer to perform desired tests, such as threshold-determining tests, using the implanted leads. An adapter cable and clamp is also provided that allows an electrical connection of the proper polarity to be established between an implantable cardioverter-defibrillator (ICD) and the cable connector block while the ICD is connected to a patient and is operating, thereby permitting the system analyzer to monitor the performance of the ICD.Type: GrantFiled: November 20, 1992Date of Patent: August 2, 1994Assignee: Siemens Pacesetter, Inc.Inventors: Armando M. Cappa, Warren R. Heer
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Patent number: 5326272Abstract: A low profile connector, as for an electrode, is disclosed. The connector of the invention includes an electrically conductive connector body and electrical connector means to separate electronics. The connector body has a channel or groove which communicates with one side of the connector body and its bottom. The channel leads to a "stop" position located substantially the central portion of said body. Viewed from the bottom of the connector body, the channel is interiorly concave so as to cooperatively, preferably rotatively and restrictively receive and hold an upstanding portion of an electrode, such as an electrode eyelet. In a preferred aspect, the present invention is an electrical assembly which includes the connector body and a biomedical electrode, such as a TENS electrode.Type: GrantFiled: January 2, 1991Date of Patent: July 5, 1994Assignee: Medtronic, Inc.Inventors: Robert P. Harhen, William J. Marlow, Dawn E. Sissom
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Patent number: 5295872Abstract: This invention provides a spring-operated biomedical electrical clasp which includes a clasp base means and a clasp lever, each having a handle end and a jaw end and each preferably being composed of an insulating material such as plastic to provide electrical shielding. The clasp lever is operatively associated with the base member for articulation on the base member at a point intermediate the ends of the lever. An electrically conductive closing spring is connected to the clasp base member. The spring has an intermediate upward projection, i.e., a deflection with spaced upright legs that extends up from the base to the lever and an upper closed end that functions somewhat in the nature of a fulcrum for the lever but, through its resiliency, also yieldably biases the jaw ends toward one another, i.e., to the closed position. The spring can be a leaf spring. One portion of the spring is a gripping portion positioned at the jaw end of the lever to serve as an electrically conductive jaw face.Type: GrantFiled: July 6, 1992Date of Patent: March 22, 1994Inventor: Eddy K. G. Christensson
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Patent number: 5277613Abstract: There is disclosed herein an electrical junction block particularly for use with a fetal electrode and electronic monitor. The junction block comprises a housing having a cavity therein, and a substantially U-shaped spring disposed in the cavity. The spring has legs which are biased outwardly by a suitable coil spring. The housing contain electrical contacts and wires connected thereto, and the U-shaped spring can be depressed to provide openings for receiving electrode wires. A mounting pad can be disposed on the housing for facilitating mounting of the assembly on a person during use.Type: GrantFiled: May 18, 1992Date of Patent: January 11, 1994Inventor: Theodore C. Neward
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Patent number: 5239983Abstract: A connector apparatus for an endoscope comprising a light guide connector for connecting an incident end of a light guide fiber bundle to alight source apparatus. An electrical connector is removably attached to the light guide connector to provide electrical connection with an external device. A flexible cable is connected at one end thereof to the electric connector and at the other end thereof to the light guide connector.Type: GrantFiled: September 10, 1991Date of Patent: August 31, 1993Assignee: Asahi Kogaku Kogyo Kabushiki KaishaInventor: Hiroyuki Katsurada
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Patent number: 5230634Abstract: A protector for being mounted on a leading cord chip, and which is fixable to the top portion 1A of a leading cord fixing portion 1, includes an insulated cover portion which is longer than a conductive plug 2 projecting from the top portion 1A. The insulated cover portion has a slit through which only a connecting portion of an electrode can pass. The connecting portion of the electrode is connected to the plug 2.Type: GrantFiled: November 26, 1991Date of Patent: July 27, 1993Assignee: Fukuda Denshi Co., Ltd.Inventors: Kimio Yamaguchi, Takeshi Yushiya, Koichi Mizoi, Chuji Shimizu
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Patent number: 5224882Abstract: A biomedical electrical connector that includes a lower body member and an upper actuator member is provided. The body member has a front end of a curvilinear configuration and a rear platform component. The platform component has guide ribs disposed on either side that extend parallel to the longitudinal axis of the body. An actuator member has downwardly-projecting guide flanges on either side of a coupling portion that extend parallel to its longitudinal axis. Each flange includes a groove in its interior side of a complementary configuration to the guide ribs for slidably coupling the actuator substantially parallel to the longitudinal axis of the body. The actuator has a front end of a curvilinear configuration cantilevered from the coupling portion. A sinusoidal interface is defined between the actuator's curvilinear front end and the body's curvilinear front end when the actuator is slid generally forwardly in relation to the body to an overcenter position.Type: GrantFiled: May 18, 1992Date of Patent: July 6, 1993Assignee: Tronomed, Inc.Inventor: Harald O. Olms
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Patent number: 5224870Abstract: A battery pack (10) is disclosed for use with a medical instrument (12). The battery pack includes a housing (14), defined by a case (16) and cover (18). The housing includes a storage section (22), for receiving batteries (78 and 80), and a connector section (24) on one side of the storage section for cooperating with a latch assembly (110), ejection spring (142), and electrical connectors (108) provided adjacent a battery tray (98) on the instrument. Specifically, the connector section includes an aligned latch surface (64), ejection surface (62), and electrical connectors (86) that cooperatively engage the latch assembly, ejection spring, and connectors on the instrument. As a result, the battery pack can be quickly, easily, and effectively attached to the instrument, in spite of the side-mounted nature of the connector section.Type: GrantFiled: January 11, 1991Date of Patent: July 6, 1993Assignee: Physio-Control CorporationInventors: Robert J. Weaver, Dennis C. Brittingham, Joseph C. Basta
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Patent number: 5209679Abstract: An electrical conducting connector used to interconnect medical electrodes and monitoring devices. The male stud, commonly manufactured on the electrode, is relocated to a new position as an integral part of the connector. Consequently, the connector can act as an adapter for electrically interconnecting a relatively inexpensive, flexible, studless electrode secured on the skin of a patient to a monitor having a conventional lead wire plus female couple assembly. Such interconnection allows rotation between the connector and electrode, thereby assuring patient comfort and continued electrical contact even when the electrode is adhered to the patient for long periods of monitoring.Type: GrantFiled: May 15, 1992Date of Patent: May 11, 1993Assignee: Graphic Controls CorporationInventor: Donald P. Quinlan
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Patent number: 5199432Abstract: A connector attached to an end of a twisted wire pair, whose other end has fetal and maternal electrodes. A driving tube is removed from the twisted wire pair by pulling a drive handle and driving tube over the connector. The outer diameter of the connector is smaller than the inner diameter of the driving tube. After the connector is free, it is inserted into a housing of a leg plate, which electrically interconnects terminals of the connector and thereby the electrodes with a remote monitoring device. The housing has finger grips to help hold the housing during the insertion of the connector. The leg plate also has a base which is held in position against a mother's leg and has a ground electrode which is also electrically interconnected with the device. The housing is rotatable relative to the base.Type: GrantFiled: October 30, 1990Date of Patent: April 6, 1993Assignee: American Home Products CorporationInventors: Phillipp J. Quedens, Donald R. Boucher, John T. Shipherd, Michael J. Malis, Joseph A. Izzo
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Patent number: 5195523Abstract: A medical electrode assembly for an electrocardiograph or similar device is provided. The medical electrode assembly comprises an electrolyte pad having an electrolyte layer which may be secured to the skin of a patient and a backing member made from a nonconductive material being coextensively superposed directly onto the electrolyte layer. The electrolyte pad is used in conjunction with a reusable lead wire connector having at least one surface contacting the electrolyte layer of the electrolyte pad. The reusable lead wire connector includes a set of jaws which may be compressed together for contacting the electrolyte pad. The set of jaws may be formed of a nonconductive binder material having a conductive filler dispersed therein. A metallic conductive material, such as a silver/silver chloride system, is superposed over the nonconductive binder material.Type: GrantFiled: April 24, 1991Date of Patent: March 23, 1993Assignee: NDM Acquisition Corp.Inventors: James V. Cartmell, Joseph F. DeRosa, Jeffrey W. Stone
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Patent number: 5137475Abstract: A biomedical electrical connector that includes a lower body member and an upper actuator member is provided. The body member has a front end of a curvilinear configuration and a rear platform component. The platform component has guide ribs disposed on either side that extend parallel to the longitudinal axis of the body. An actuator member has downwardly-projecting guide flanges on either side of a coupling portion that extend parallel to its longitudinal axis. Each flange includes a groove in its interior side of a complementary configuration to the guide ribs for slidably coupling the actuator substantially parallel to the longitudinal axis of the body. The actuator has a front end of a curvilinear configuration cantilevered from the coupling portion. A sinusoidal interface is defined between the actuator's curvilinear front end and the body'curvilinear front end when the actuator is slid generally forwardly in relation to the body to an overcenter position.Type: GrantFiled: May 31, 1991Date of Patent: August 11, 1992Assignee: Tronomed, Inc.Inventor: Harald O. Olms