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Attorney: Woods; Thomas F., Patton; Harold R.


Number of patents: 100
Last date: January 29, 2002

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NumberTitleIssue Date
6343233Medical lead adaptor
A medical lead adaptor that provides a rapid, secure, insulated connection of the lead connector end assembly of a cardiac lead having electrodes adapted to be placed in or on the body with an external medical device. The adaptor connector assembly is con...
01/29/2002
6268725Flux-gate magnetometer with drive signal for reducing effects of electromagnetic interference
A flux-gate magnetometer having a drive signal for reducing the effects of electromagnetic interference (EMI) is provided. The drive signal has a characteristic that varies over time. For example, the drive signal may include a duty cycle that varies over...
07/31/2001
6212063Implantable medical device having flat electrolytic capacitor with connector block and sealed feedthroughs
An implantable medical device such as a defibrillator is described. The device includes an hermetically sealed housing containing a flat electrolytic capacitor and an energy source such as a battery. The battery is connected to the capacitor and provides ...
04/03/2001
6163724Microprocessor capture detection circuit and method
A software programmable device means such as a microprocessor discriminates between evoked response signals and post-pace polarization signals sensed by an implantable medical device. The polarity of the positive or negative change in voltage in respect o...
12/19/2000
6159253Thermally formed tab slots in a separator for a spirally-wound electrochemical cell
An electrochemical cell and electrode assembly are disclosed in which a separator having at least one thermally formed tab slot disposed therein is employed in conjunction with an alkali metal anode and a cathode assembly that are wound together in a unid...
12/12/2000
6159240Rigid annuloplasty device that becomes compliant after implantation
A band-shaped annuloplasty device (e.g., C- or D-shaped ring) that is relatively rigid during handling and implantation and becomes relatively complaint after implantation. Preferably, the device includes a core material that softens after implantation....
12/12/2000
6151525Method and system for myocardial identifier repair
An implantable system is provided that includes: a cell repopulation source comprising genetic material, undifferentiated contractile cells, or a combination thereof capable of forming new contractile tissue in and/or near an infarct zone of a patient's m...
11/21/2000
6144866Multiple sensor assembly for medical electric lead
An implantable sensor assembly for use with an implantable medical device are disclosed. The sensor assembly preferably includes two or more physiologic sensors coupled to the medical device via a pair of lead conductors, or alternatively an oxygen sensor...
11/07/2000
6144881Capture detection circuit for pulses and physiologic signals
A method and apparatus for discriminating between evoked response signals and post-pace polarization signals sensed by a sense amplifier of an implantable medical device. The polarity of the positive or negative change in voltage in respect of time (or dv...
11/07/2000
6134459Light focusing apparatus for medical electrical lead oxygen sensor
An implantable sensor assembly for use with an implantable medical device are disclosed. The sensor assembly preferably includes two or more physiologic sensors coupled to the medical device via a pair of lead conductors, or alternatively an oxygen sensor...
10/17/2000
6132896Electrochemical cell with circumferential cathode current collector
An electrochemical cell has a silver vanadium oxide cathode material formed into a pellet shape which expands as the cell is discharged. A cathode current collector circumferentially surrounds the cathode pellet and is in contact with the peripheral edge ...
10/17/2000
6130005Heat treated silver vanadium oxide for use in implantable medical devices, articles and methods
The invention provides heat-treated silver vanadium oxide for use in the cathodes of electrochemical cells, particularly in implantable medical devices. The heat-treated silver vanadium oxide is capable of being pressed into a pellet having a pressed pell...
10/10/2000
6129742Thin film resistor for use in medical devices and method of making same
A method for forming a thin film resistor includes providing a sputter target having one or more silicon containing components and chromium diboride. For example, the one or more silicon containing components may include silicon and/or silicon carbide. Th...
10/10/2000
6122545Multiple channel sequential cardiac pacing method
Multi-chamber cardiac pacing systems for providing synchronous pacing to at least the two upper heart chambers or the two lower heart chambers or to three heart chambers or to all four heart chambers employing programmable conduction delay window (CDW) ti...
09/19/2000
6118652Implantable medical device having flat electrolytic capacitor with laser welded cover
An implantable medical device such as a defibrillator is described. The device includes an hermetically sealed housing containing a flat electrolytic capacitor and an energy source such as a battery. The battery is connected to the capacitor and provides ...
09/12/2000
6111052Polyurethane and polyurea biomaterials for use in medical devices
A medical device comprising a biomaterial formed from a polymer comprising urethane groups, urea groups, or combinations thereof, and sacrificial moieties that preferentially oxidize relative to other moieties in the polymer....
08/29/2000
6101973Apparatus for reducing friction on polymeric surfaces
This invention relates to an apparatus and a method for improving slip characteristics on the surface of a polymeric material, such as an outer surface, inner surface, or both of polymeric tubing....
08/15/2000
6099600Method of making a vacuum-treated liquid electrolyte-filled flat electrolytic capacitor
An implantable medical device such as a defibrillator is described. The device includes an hermetically sealed housing containing a flat electrolytic capacitor and an energy source such as a battery. The battery is connected to the capacitor and provides ...
08/08/2000
6093506Synthesis of silver vanadium oxide for cathode material
This present invention provides a method for forming C-SVO without the need for flowing O2 during its synthesis. A method of forming silver vanadium oxide in accordance with the present invention includes combining AgO with a vanadium-containin...
07/25/2000
6091987Power consumption reduction in medical devices by employing different supply voltages
Power consumption in medical devices is reduced through the application of different supply voltages to analog and digital circuits, respectively. The medical device generally includes analog circuits (e.g., an atrial sense amplifier, a ventricular sense ...
07/18/2000
6080829Silalkylenesiloxane copolymer materials and methods for their preparation
Symmetric and asymmetric cyclic silalkylenesiloxane monomers and copolymers thereof are disclosed, as well as crosslinked and/or reinforced silalkylenesiloxane copolymers, medical devices containing such materials, and methods of preparation....
06/27/2000
6052623Feedthrough assembly for implantable medical devices and methods for providing same
A feedthrough assembly for an implantable medical device includes one or more electrically conductive pins extending through apertures in a case of the medical device with the electrically conductive pins being insulated from the case. The feedthrough ass...
04/18/2000
6041496Method of making ceramic substrate
The present invention relates to multi-layer ceramic packaging of hybrid micro-electronic devices, including those for implantable medical devices. The invention permits size reduction and design simplification in such packaging by eliminating the need fo...
03/28/2000
6042624Method of making an implantable medical device having a flat electrolytic capacitor
An implantable medical device such as a defibrillator is described. The device includes an hermetically sealed housing containing a flat electrolytic capacitor and an energy source such as a battery. The battery is connected to the capacitor and provides ...
03/28/2000
6040082Volumetrically efficient battery for implantable medical devices
A high rate battery having a coiled electrode assembly housed in a case that efficiently utilizes the space available in many implantable medical devices is disclosed. The battery case provides a planar surface opposite an arcuate surface to allow for the...
03/21/2000
6038481Medical lead adaptor
A medical lead adaptor that provides a rapid, secure, insulated connection of the lead connector end assembly of a cardiac lead having electrodes adapted to be placed in or on the body with an external medical device. The adaptor connector assembly is con...
03/14/2000
6038479Medical lead adaptor
A medical lead adaptor that provides a rapid, secure, insulated connection of the lead connector end assembly of a cardiac lead having electrodes adapted to be placed in or on the body with an external medical device. The adaptor connector assembly is con...
03/14/2000
6033719Method for covalent attachment of biomolecules to surfaces of medical devices
A method for making a medical device having at least one biomolecule immobilized on a substrate surface is provided. The method may include combining a biomolecule comprising a 1,2 dicarbonyl moiety with a material comprising a guanidino moiety to form an...
03/07/2000
6031710Adhesively- and solder-bonded capacitive filter feedthrough for implantable medical devices
A capacitive filter feedthrough assembly and method of making same are disclosed for shielding an implantable medical device such as pacemaker or defibrillator from electromagnetic interference or noise. A ferrule is adapted for mounting onto a conductive...
02/29/2000
6032075Implantable medical device with flat aluminum electolytic capacitor
An implantable medical device such as a defibrillator is described. The device includes an hermetically sealed housing containing a flat electrolytic capacitor and an energy source such as a battery. The battery is connected to the capacitor and provides ...
02/29/2000
6023641Power consumption reduction in medical devices employing multiple digital signal processors
Power consumption in medical devices is reduced through the use and operation of multiple digital signal processing systems. Each processor of the multiple systems performs at least one particular function in a predetermined time period. The multiple digi...
02/08/2000
6017656Electrolyte for electrochemical cells having cathodes containing silver vanadium oxide
An electrochemical cell containing a cathode comprising silver vanadium oxide and an anode comprising lithium is disclosed that includes an improved electrolyte composition having the solvents propylene carbonate and 1,2-dimethoxyethane, and an additional...
01/25/2000
6017741Periodate oxidative method for attachment and crosslinking of biomolecules to medical device surfaces
Methods are provided for forming a coating of an immobilized biomolecule on a surface of a medical device to impart improved biocompatibility for contacting tissue and bodily fluids. A 2-aminoalcohol moiety of a biomolecule is oxidized with a periodate to...
01/25/2000
6010803Metal injection molded cover for an electrochemical cell
A cover for an electrochemical cell is molded by a metal injection molding process. The cover includes a main body portion completely integral with a feedthrough ferrule portion for accommodating an electrical lead to pass through the cover and/or complet...
01/04/2000
6009348Implantable medical device having flat electrolytic capacitor with registered electrode layers
An implantable medical device such as a defibrillator is described. The device includes an hermetically sealed housing containing a flat electrolytic capacitor and an energy source such as a battery. The battery is connected to the capacitor and provides ...
12/28/1999
6006133Implantable medical device having flat electrolytic capacitor with consolidated electrode assembly
An implantable medical device such as a defibrillator is described. The device includes an hermetically sealed housing containing a flat electrolytic capacitor and an energy source such as a battery. The battery is connected to the capacitor and provides ...
12/21/1999
5994444Polymeric material that releases nitric oxide
A polymeric material formed from a biodegradable polymer matrix is impregnated with a nitric oxide donor for continuous release of nitric oxide upon hydration....
11/30/1999
5986034Polyurethane and polyurea biomaterials for use in medical devices
A medical device comprising a biomaterial formed from a polymer comprising urethane groups, urea groups, or combinations thereof, and sacrificial moieties that preferentially oxidize relative to other moieties in the polymer....
11/16/1999
5973968Apparatus and method for write protecting a programmable memory
An apparatus and method for protecting memory content of a programmable memory is disclosed. A programmable memory, such as a random access memory (RAM), is configured to include a write protected portion defined as part of the programmable memory. The wr...
10/26/1999
5967977Transesophageal medical lead
A mechanically expandable esophageal medical lead has an elongated flexible body which carries at a distal end thereof one or more electrically conducting members. The conducting members are moveable laterally with respect to the body portion of the medic...
10/19/1999
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