ECG Artifact Reduction System

An ECG signal processing system which removes the CPR-induced artifact from measured ECG signals obtained during the administration of CPR.

Carbon - lead blends for use in hybrid energy storage devices

The present application is directed to blends comprising a plurality of carbon particles and a plurality of lead particles. The blends find utility in any number of electrical devices, for example, in lead acid batteries. Methods for making and using the blends are also disclosed.

Electromagnetic shield for a passive electronic component in an active medical device implantable lead

A shielded component or network for an active medical device (AMD) implantable lead includes (1) an implantable lead having a length extending from a proximal end to a distal end, all external of an AMD housing, (2) a passive component or network disposed somewhere along the length of the implantable lead, the passive component or network including at least one inductive component having a first inductive value, and (3) an electromagnetic shield substantially surrounding the inductive component or the passive network. The first inductive value of the inductive component is adjusted to a account for a shift in its inductance to a second inductive value when shielded.

Band stop filter comprising an inductive component disposed in a lead wire in series with an electrode

A band stop filter is provided for a lead wire of an active medical device (AMD). The band stop filter includes a capacitor in parallel with an inductor. The parallel capacitor and inductor are placed in series with the lead wire of the AMD, wherein values of capacitance and inductance are selected such that the band stop filter is resonant at a selected frequency. The Q of the inductor may be relatively maximized and the Q of the capacitor may be relatively minimized to reduce the overall Q of the band stop filter to attenuate current flow through the lead wire along a range of selected frequencies. In a preferred form, the band stop filter is integrated into a TIP and/or RING electrode for an active implantable medical device.

Emulsion and suspension polymerization processes, and improved electrochemical performance for carbon derived from same

The present application is directed to methods for preparation of polymer particles in gel form and carbon materials made therefrom. The carbon materials comprise enhanced electrochemical properties and find utility in any number of electrical devices, for example, as electrode material in ultracapacitors or batteries. The methods herein can also be employed generally to improve emulsion and/or suspension polymerization processes by improved control of diffusion of acidic and basic species between the polymer and secondary phases.

Improved emulsion and suspension polymerization processes, and improved electrochemical performance for carbon derived from same

The present application is directed to methods for preparation of polymer particles in gel form and carbon materials made therefrom. The carbon materials comprise enhanced electrochemical properties and find utility in any number of electrical devices, for example, as electrode material in ultracapacitors or batteries. The methods herein can also be employed generally to improve emulsion and/or suspension polymerization processes by improved control of diffusion of acidic and basic species between the polymer and secondary phases.

Ultrapure synthetic carbon materials

The present application is generally directed to ultrapure synthetic carbon materials having both high surface area and high porosity, ultrapure polymer gels and devices containing the same. The disclosed ultrapure synthetic carbon materials find utility in any number of devices, for example, in electric double layer capacitance devices and batteries. Methods for making ultrapure synthetic carbon materials and ultrapure polymer gels are also disclosed.

Compositions and methods to inhibit kidney stone growth

An oral dosage form or plurality of oral dosage forms comprising as active ingredients combinations of citric acid, magnesium citrate, phytin, pyridoxine, and musa is disclosed. The oral dosage form(s) is useful for inhibiting calcium oxalate crystal growth and for treating or inhibiting growth of kidney stones. Methods of inhibiting calcium oxalate crystal growth and of treating or preventing kidney stones are also disclosed.

Mesoporous carbon materials comprising bifunctional catalysts

The present application is directed to mesoporous carbon materials comprising bi-functional catalysts. The mesoporous carbon materials find utility in any number of electrical devices, for example, in lithium-air batteries. Methods for making the disclosed carbon materials, and devices comprising the same, are also disclosed.

Composite carbon materials comprising lithium alloying electrochemical modifiers

The present application is generally directed to composites comprising a hard carbon material and an electrochemical modifier. The composite materials find utility in any number of electrical devices, for example, in lithium ion batteries. Methods for making the disclosed composite materials are also disclosed.

Call event tagging and call recording stitching for contact center call recordings

A system and method for recording media for a contact center allows for call event tagging and call recording stitching. A processor receives call metadata for a telephony call. The call includes a link to a recording of media exchanged during the telephony call. The processor receives a call event associated with the telephony call. The call event includes a timestamp of when the event occurred during the telephony call. The processor stores the call metadata and the call event in a database record. The processor retrieves the database record for displaying the call event on a display device. A user command is received for identifying the call event in response to the display on the display device. A portion of the recording associated with the call event is retrieved in response to the user command. An audible rendering is then provided of the retrieved portion of the recording.

Automated chest compression apparatus

A system applies cardiopulmonary resuscitation (CPR) to a recipient. An automated controller is provided together with a compression device which periodically applies a force to a recipient's thorax under control of the automated controller. A band is adapted to be placed around a portion of the torso of the recipient corresponding to the recipient's thorax. A driver mechanism shortens and lengthens the circumference of the band. By shortening the circumference of the band, radial forces are created acting on at least lateral and anterior portions of the thorax. A translating mechanism may be. provided for translating the radial forces to increase the concentration of anterior radial forces acting on the anterior portion of the thorax. The driver mechanism may comprise a tension device for applying a circumference tensile force to the band. The driver mechanism may comprise an electric motor, a pneumatic linear actuator, or a contracting mechanism defining certain portions of the circumference of the band. The contracting mechanism may comprise plural fluid-receiving cells linked together along the circumference of the band. The width of each of the fluid-receiving cells becomes smaller as each cell is filled with a fluid. This causes the contraction of the band and a resulting shortening of the circumference of the band.

Switched diverter circuits for minimizing heating of an implanted lead in a high power electromagnetic field environment

An energy management system that facilitates the transfer of high frequency energy induced on an implanted lead or a leadwire includes an energy dissipating surface associated with the implanted lead or the leadwire, a diversion or diverter circuit associated with the energy dissipating surface, and at least one switch for diverting energy in the implanted lead or the leadwire through the diversion circuit to the energy dissipating surface. In alternate configurations, the switch may be disposed between the implanted lead or the leadwire and the diversion circuit, or disposed so that it electrically opens the implanted lead or the leadwire when diverting energy through the diversion circuit to the energy dissipating surface. The switch may comprise a single or multi-pole double or single throw switch. The diversion circuit may be either a high pass filter or a low pass filter.

Fluid-jet cutting apparatus

Crosslinked hydrogel copolymers

The present invention relates to crosslinked polymers, synthesized through ring-opening polymerization of ethylenically unsaturated epoxides, in combination with α-hydroxy acids using a hydrophilic macroinitiator, such as poly(ethylene glycol), to form substituted copolymers having ethylenically unsaturated functionality randomly distributed along the polyester polymer backbone. That copolymer is subsequently crosslinked to form a hydrogel network. More particularly, the present invention relates to the synthesis of biodegradable poly(α-hydroxy acid-co-glycidyl methacrylate)-block-poly(ethylene glycol)-block-poly(α-hydroxy acid-co-glycidyl methacrylate) copolymers, which are subsequently crosslinked to form hydrogel networks. The invention also relates to the use of these hydrogel networks in various applications, in particular, for the controlled release of drugs and proteins.

NEW POLYMORPH OF N-METHYL-N-(3-{3-[2-THIENYLCARBONYL]-PYRAZOLE-[1,5-alpha]-PYRIMIDIN-7-YL}PHENYL)ACETAMIDE, AND COMPOSITION AND METHOD RELATED THERETO

【課題】Ｎ−メチル−Ｎ−（３−｛３−［２−チエニルカルボニル］−ピラゾル−［１，５−α］−ピリミジン−７−イル｝フェニル）アセトアミドの新規の多形ならびにそれに関連した組成物および方法を提供すること 【解決手段】Ｎ−メチル−Ｎ−（３−｛３−［２−チエニルカルボニル］−ピラゾル−［１，５−α］−ピリミジン−７−イル｝フェニル）アセトアミドの多形形態ＩＩＩ、ならびに鎮静催眠剤、抗不安剤、鎮痙剤、および／または骨格筋弛緩剤としてのそれらの使用。関連する組成物および方法もまた、特に不眠症の処置に関連して、開示される。多形形態ＩＩＩは、好ましくは、ＴＡ ２９２０モジュレイテッド示差走査熱量計（ＤＳＣ）によって１分間あたり１０℃の操作速度において測定した場合に約１９１℃において主な吸熱を示す。 【選択図】なし

Snap-on wire brush wipe

Factor viia variants

Novel compounds are provided which modulate a FVIIa mediated or associated process or event such as the catalytic conversion of FX to FXa , FVII to FVIIa or FIX to FIXa. In particular aspects, the compounds of the invention are variants of Factor VIIa (FVIIa). Pharmaceutical compositions are also provided which comprise the novel compounds as well as their use in diagnostic, therapeutic, and prophylactic methods.

Chagasin-based scaffold compositions, methods, and uses

Provided are novel, non-naturally occurring chagasin scaffold proteins derived from chagasin or chagasin-like protease inhibitor proteins. Also provided are libraries of non-naturally occurring chagasin scaffold proteins and methods of using such libraries to generate non-naturally occurring chagasin scaffold proteins that specifically bind to a target ligand. The present invention further provides methods of using non-naturally occurring chagasin protein scaffold that bind to a target ligand, including diagnostic and therapeutic compositions and methods. The invention also provides novel non-naturally occurring chagasin scaffold proteins that specifically bind low density lipoprotein receptor-related protein 6 (LRP6) and novel non-naturally occurring chagasin scaffold proteins that specifically bind vascular endothelial growth factor (VEGF).

Anti-tryptase antibodies, compositions thereof, and uses thereof

The invention provides compositions including anti-tryptase antibodies and pharmaceutical compositions thereof, as well as methods of using the same.

Anti-tryptase antibodies, compositions thereof, and uses thereof

The invention provides compositions including anti-tryptase antibodies and pharmaceutical compositions thereof, as well as methods of using the same.

Use of klk5 antagonists for treatment of a disease

Provided herein are methods of treating a subject, methods of predicting the response of a subject and selecting a subject suffering from a disease associated with KLK5, such as asthma or Netherton Syndrome. In particular, provided herein are uses of KLK5 antagonists for the treatment or diagnosis of asthma or Netherton Syndrome, such as an antibody or an Fc fusion polypeptide as well as pharmaceutical formulations comprising the same.

Non-invasive device for synchronizing chest compression and ventilation parameters to residual myocardial activity during cardiopulmonary resuscitation

A system (10) to treat a patient having a heart and a chest, the system (10) comprising : a least one sensor (12) monitoring cardiac activity in the patient by detecting at least one of myocardial pump activity, myocardial mechanical activity, hemodynamics and organ perfusion; a logic controller (14) receiving signals from the at least one sensor (12) and generating control commands for controlling one or more phasic therapies (16, 23, 26, 28) and synchronizing the one or more phasic therapies (16, 23, 26, 28) with the monitored cardiac activity in the patient; and wherein the logic controller (14) executes an algorithm stored in memory associated with the logic controller, wherein the algorithm causes the logic controller (14) to generate commands to vary patterns of the application of the one or more phasic therapies, and thereafter detect changes in at least one of the sensed myocardial pump activity, myocardial mechanical activity, hemodynamics and organ perfusion due to variations in the patterns, and determine one of the patterns of phasic therapies (16, 23, 26, 28) corresponding to a desired level of at least one of sensed myocardial pump activity, myocardial mechanical activity, hemodynamics and organ perfusion hemodynamics and organ perfusion.

Automated chest compression apparatus

Non-invasive device for synchronizing chest compression and ventilation parameters to residual myocardial activity during cardiopulmonary resuscitation

A system for improving cardiac output of a patient suffering from pulseless electrical activity or shock and yet displays myocardial wall motion including: a sensor to detect myocardial activity to determine the presence of residual left ventricular pump function having a contraction or ejection phase and a filling or relaxation phase, a device to prompt the application of or apply a compressive force repeatedly applied to the chest based on the sensed myocardial activity such that the compressive force is applied during at least some of the ejection phases and is ceased during at least some of the relaxation phases to permit residual cardiac filling, thereby enhancing cardiac output and organ perfusion.

Non-invasive device for synchronizing chest compression and ventilation parameters to residual myocardial activity during cardiopulmonary resuscitation

A method for improving the cardiac output of a patient who is suffering from pulseless electrical activity or shock and yet still displays some myocardial wall motion including sensing myocardial activity to determine the presence of residual left ventricular pump function having a contraction or ejection phase and a filling or relaxation phase. In such cases, a compressive force is repeatedly applied to the chest based on the sensed myocardial activity such that the compressive force is applied during at least some of the ejection phases and is ceased during at least some of the relaxation phases to permit residual cardiac filling, thereby enhancing cardiac output and organ perfusion. Also incorporated may be a logic circuit capable of utilizing multiple sensing modalities and optimizing the synchronization pattern between multiple phasic therapeutic modalities and myocardial residual mechanical function.

Non-invasive device for synchronizing chest compression and ventilation parameters to residual myocardial activity during cardiopulmonary resuscitation

A system for improving cardiac output of a patient suffering from pulseless electrical activity or shock and yet displays myocardial wall motion including: a sensor to detect myocardial activity to determine the presence of residual left ventricular pump function having a contraction or ejection phase and a filling or relaxation phase, a device to prompt the application of or apply a compressive force repeatedly applied to the chest based on the sensed myocardial activity such that the compressive force is applied during at least some of the ejection phases and is ceased during at least some of the relaxation phases to permit residual cardiac filling, thereby enhancing cardiac output and organ perfusion.

Magnetic resonance imaging guidewire probe

The invention describes a system, method, and means for an MRI guidewire that can be visible on an MRI, can act as an antenna and receive MRI signals from surrounding subject matter, and can allow the use of multiple interventional tools without removal of the guidewire from a subject.

MRI-guided therapy methods and related systems

A system and method for using magnetic resonance imaging to increase the accuracy of electrophysiologic procedures is disclosed. The system in its preferred embodiment provides an invasive combined electrophysiology and imaging antenna catheter which includes an RF antenna for receiving magnetic resonance signals and diagnostic electrodes for receiving electrical potentials. The combined electrophysiology and imaging antenna catheter is used in combination with a magnetic resonance imaging scanner to guide and provide visualization during electrophysiologic diagnostic or therapeutic procedures. The invention further provides a system for eliminating the pickup of RF energy in which intracardiac wires are detuned by filtering so that they become very inefficient antennas. An RF filtering system is provided for suppressing the MR imaging signal while not attenuating the RF ablative current. Steering means may be provided for steering the invasive catheter under MR guidance.

Frequency selective passive component networks for active implantable medical devices utilizing an energy dissipating surface

Decoupling circuits are provided which transfer energy induced from an MRI pulsed RF field to the housing for an active implantable medical device (AIMD) which serves as an energy dissipating surface. This is accomplished through broadband filtering or by resonant filtering. In a passive component network for an AIMD, a frequency selective energy diversion circuit is provided for diverting high-frequency energy away from an AIMD lead to the AIMD housing for dissipation of said high-frequency energy.

Band stop filter employing a capacitor and an inductor tank circuit to enhance MRI compatibility of active medical devices

A band stop filter is provided for a lead wire of an active medical device (AMD). The band stop filter includes a capacitor in parallel with an inductor. The parallel capacitor and inductor are placed in series with the lead wire of the AMD, wherein values of capacitance and inductance are selected such that the band stop filter has a Q with the resultant 3 dB bandwidth being in the megahertz range. The Q of the inductor may be relatively maximized and the Q of the capacitor may be relatively minimized to reduce the overall Q of the band stop filter to attenuate current flow through the lead wire along a range of selected frequencies. In a preferred form, the band stop filter is integrated into a TIP and/or RING electrode for an active implantable medical device.

Band stop filter comprising an inductive component disposed in a lead wire in series with an electrode

A band stop filter is provided for a lead wire of an active medical device (AMD). The band stop filter includes a capacitor in parallel with an inductor. The parallel capacitor and inductor are placed in series with the lead wire of the AMD, wherein values of capacitance and inductance are selected such that the band stop filter is resonant at a selected frequency. The Q of the inductor may be relatively maximized and the Q of the capacitor may be relatively minimized to reduce the overall Q of the band stop filter to attenuate current flow through the lead wire along a range of selected frequencies. In a preferred form, the band stop filter is integrated into a TIP and/or RING electrode for an active implantable medical device.

Self-resonant inductor wound portion of an implantable lead for enhanced MRI compatibility of active implantable medical devices

An implantable lead includes a lead conductor having a length extending from a proximal end to a distal end. A self-resonant inductor is connected in series along a portion of the length of the lead conductor. The self-resonant inductor includes a single length of conductive material including a dielectric coating substantially surrounding the single length of conductive material. The self-resonant inductor includes a first coiled or spiral conductor disposed along an inductor section spanning in a first direction from a first location to a second location. A second coiled or spiral conductor is disposed along the inductor section spanning in a second direction from the second location to the first location, where the second direction is opposite the first direction. A third coiled or spiral conductor is disposed along the inductor section spanning in the first direction from the first location to the second location.

System and method for magnetic-resonance-guided electrophysiologic and ablation procedures

A system and method for using magnetic resonance imaging to increase the accuracy of electrophysiologic procedures includes an invasive combined electrophysiology and imaging antenna catheter which includes an RF antenna for receiving magnetic resonance signals and diagnostic electrodes for receiving electrical potentials. The combined electrophysiology and imaging antenna catheter is used in combination with a magnetic resonance imaging scanner to guide and provide visualization during electrophysiologic diagnostic or therapeutic procedures, such as ablation of cardiac arrhythmias. The combined electrophysiology and imaging antenna catheter may further include an ablation tip, and be used as an intracardiac device to deliver energy to selected areas of tissue and visualize the resulting ablation lesions.

MRI compatible medical leads

Herein is disclosed a probe, including a first electrode disposed at least partially on the probe surface, a second electrode disposed at least partially on the probe surface, a first conductor electrically coupled to the first electrode, a second conductor electrically coupled to the second electrode, and a reactive element electrically coupling the first conductor and the second conductor.

Band stop filter employing a capacitor and an inductor tank circuit to enhance MRI compatibility of active medical devices

A band stop filter is provided for a lead wire of an active medical device (AMD). The band stop filter includes a capacitor in parallel with an inductor. The parallel capacitor and inductor are placed in series with the lead wire of the AMD, wherein values of capacitance and inductance are selected such that the band stop filter is resonant at a selected frequency. The Q of the inductor may be relatively maximized and the Q of the capacitor may be relatively minimized to reduce the overall Q of the band stop filter to attenuate current flow through the lead wire along a range of selected frequencies. In a preferred form, the band stop filter is integrated into a TIP and/or RING electrode for an active implantable medical device.

Band stop filter employing a capacitor and an inductor tank circuit to enhance MRI compatibility of active medical devices

A band stop filter is provided for a lead wire of an active medical device (AMD). The band stop filter includes a capacitor in parallel with an inductor. The parallel capacitor and inductor are placed in series with the lead wire of the AMD, wherein values of capacitance and inductance are selected such that the band stop filter is resonant at a selected frequency. The Q of the inductor may be relatively maximized and the Q of the capacitor may be relatively minimized to reduce the overall Q of the band stop filter to attenuate current flow through the lead wire along a range of selected frequencies. In a preferred form, the band stop filter is integrated into a TIP and/or RING electrode for an active implantable medical device.

Band stop filter employing a capacitor and an inductor tank circuit to enhance MRI compatibility of active medical devices

A band stop filter is provided for a lead wire of an active medical device (AMD). The band stop filter includes a capacitor in parallel with an inductor. The parallel capacitor and inductor are placed in series with the lead wire of the AMD, wherein values of capacitance and inductance are selected such that the band stop filter is resonant at a selected frequency. The Q of the inductor may be relatively maximized and the Q of the capacitor may be relatively minimized to reduce the overall Q of the band stop filter to attenuate current flow through the lead wire along a range of selected frequencies. In a preferred form, the band stop filter is integrated into a TIP and/or RING electrode for an active implantable medical device.

Systems and methods for magnetic-resonance-guided interventional procedures

Herein is disclosed a probe, including a first electrode disposed at least partially on the probe surface, a second electrode disposed at least partially on the probe surface, a first conductor electrically coupled to the first electrode, a second conductor electrically coupled to the second electrode, and a reactive element electrically coupling the first conductor and the second conductor.

Magnetic-resonance-guided imaging, electrophysiology, and ablation

A system and method for using magnetic resonance imaging to increase the accuracy of electrophysiologic procedures is disclosed. The system in its preferred embodiment provides an invasive combined electrophysiology and imaging antenna catheter which includes an RF antenna for receiving magnetic resonance signals and diagnostic electrodes for receiving electrical potentials. The combined electrophysiology and imaging antenna catheter is used in combination with a magnetic resonance imaging scanner to guide and provide visualization during electrophysiologic diagnostic or therapeutic procedures. The invention is particularly applicable to catheter ablation, e.g., ablation of atrial fibrillation. In embodiments which are useful for catheter ablation, the combined electrophysiology and imaging antenna catheter may further include an ablation tip, and such embodiment may be used as an intracardiac device to both deliver energy to selected areas of tissue and visualize the resulting ablation lesions, thereby greatly simplifying production of continuous linear lesions. The invention further includes embodiments useful for guiding electrophysiologic diagnostic and therapeutic procedures other than ablation. Imaging of ablation lesions may be further enhanced by use of MR contrast agents. The antenna utilized in the combined electrophysiology and imaging catheter for receiving MR signals is preferably of the coaxial or “loopless” type. High-resolution images from the antenna may be combined with low-resolution images from surface coils of the MR scanner to produce a composite image. The invention further provides a system for eliminating the pickup of RF energy in which intracardiac wires are detuned by filtering so that they become very inefficient antennas. An RF filtering system is provided for suppressing the MR imaging signal while not attenuating the RF ablative current. Steering means may be provided for steering the invasive catheter under MR guidance. Other ...

EMI filter employing a capacitor and an inductor tank circuit having optimum component values

A bandstop filter having optimum component values is provided for a lead of an active implantable medical device (AIMD). The bandstop filter includes a capacitor in parallel with an inductor. The parallel capacitor and inductor are placed in series with the implantable lead of the AIMD, wherein values of capacitance and inductance are selected such that the bandstop filter is resonant at a selected frequency. The Q of the inductor may be relatively maximized and the Q of the capacitor may be relatively minimized to reduce the overall Q of the bandstop filter to attenuate current flow through the implantable lead along a range of selected frequencies.

Switched diverter circuits for minimizing heating of an implanted lead and/or providing EMI protection in a high power electromagnetic field environment

An energy management system that facilitates the transfer of high frequency energy induced on an implanted lead or a leadwire includes an energy dissipating surface associated with the implanted lead or the leadwire, a diversion or diverter circuit associated with the energy dissipating surface, and at least one non-linear circuit element switch for diverting energy in the implanted lead or the leadwire through the diversion circuit to the energy dissipating surface. In alternate configurations, the switch may be disposed between the implanted lead or the leadwire and the diversion circuit, or disposed so that it electrically opens the implanted lead or the leadwire when diverting energy through the diversion circuit to the energy dissipating surface. The non-linear circuit element switch is typically a PIN diode. The diversion circuit may be either a high pass filter or a low pass filter.

Switched diverter circuits for minimizing heating of an implanted lead and/or providing EMI protection in a high power electromagnetic field environment

An energy management system that facilitates the transfer of high frequency energy induced on an implanted lead or a leadwire includes an energy dissipating surface associated with the implanted lead or the leadwire, a diversion or diverter circuit associated with the energy dissipating surface, and at least one switch for diverting energy in the implanted lead or the leadwire through the diversion circuit to the energy dissipating surface. In alternate configurations, the switch may be disposed between the implanted lead or the leadwire and the diversion circuit, or disposed so that it electrically opens the implanted lead or the leadwire when diverting energy through the diversion circuit to the energy dissipating surface. The switch may comprise a single or multi-pole double or single throw switch. The diversion circuit may be either a high pass filter or a low pass filter.

Electromagnetic shield for a passive electronic component in an active medical device implantable lead

A shielded component or network for an active medical device (AMD) implantable lead includes (1) an implantable lead having a length extending from a proximal end to a distal end, all external of an AMD housing, (2) a passive component or network disposed somewhere along the length of the implantable lead, the passive component or network including at least one inductive component having a first inductive value, and (3) an electromagnetic shield substantially surrounding the inductive component or the passive network. The first inductive value of the inductive component is adjusted to a account for a shift in its inductance to a second inductive value when shielded.

Tuned energy balanced system for minimizing heating and/or to provide EMI protection of implanted leads in a high power electromagnetic field environment

An energy management system facilitates the transfer of high frequency energy coupled into an implanted lead at a selected RF frequency or frequency band, to an energy dissipating surface. This is accomplished by conductively coupling the implanted lead to the energy dissipating surface through an energy diversion circuit including one or more passive electronic network components whose impedance characteristics are at least partially tuned to the implanted lead's impedance characteristics.

Medical lead system utilizing electromagnetic bandstop filters

Medical lead systems utilizing electromagnetic bandstop filters are provide which can be utilized in a magnetic resonance imaging (MRI) environment for patients who have implanted medical devices. The medical lead system includes an implanted lead having at least one bandstop filter associated therewith, for attenuating current flow through the lead over a range of frequencies. The bandstop filter has an overall circuit Q wherein the resultant 3 dB bandwidth is at least 10 kHz. The values of capacitance and inductance of the bandstop filter are selected such that the bandstop filter is resonant at a selected center frequency. Preferably, the bandstop filter has an overall circuit Q wherein the resultant 10 dB bandwidth is at least 10 kHz. Such bandstop filters are backwards compatible with known implantable deployment systems and extraction systems.

Implantable lead bandstop filter employing an inductive coil with parasitic capacitance to enhance MRI compatibility of active medical devices

A medical lead system includes at least one bandstop filter for attenuating current flow through the lead across a range of frequencies. The bandstop filter has an overall circuit Q wherein the resultant 3 dB bandwidth is at least 10 kHz. The values of capacitance and inductance of the bandstop filter are selected such that the bandstop filter is resonant at a selected center frequency or range of frequencies. Preferably, the bandstop filter has an overall circuit Q wherein the resultant 10 dB bandwidth is at least 10 kHz. Such bandstop filters are backwards compatible with known implantable deployment systems and extraction systems.

Electromagnetic shield for a passive electronic component in an active medical device implantable lead

A shielded component or network for an active medical device (AMD) implantable lead includes an implantable lead having a length extending from a proximal end to a distal end, all external of an AMD housing, a passive component or network disposed somewhere along the length of the implantable lead, the passive component or network including at least one inductive component having a first inductive value, and an electromagnetic shield substantially surrounding the inductive component or the passive network. The first inductive value of the inductive component is adjusted to account for a shift in its inductance to a second inductive value when shielded.

Frequency selective passive component networks for implantable leads of active implantable medical devices utilizing an energy dissipating surface

Decoupling circuits are provided which transfer energy induced from an MRI pulsed RF field to an energy dissipating surface. This is accomplished through broadband filtering or by resonant filtering. In a passive component network for an implantable leadwire of an active implantable medical device, a frequency selective energy diversion circuit is provided for diverting high-frequency energy away from a leadwire electrode to a point or an area spaced from the electrode, for dissipation of high-frequency energy.

Patent DE3048168C2

Compositions and methods for increasing pest resistance in plants

Compositions and methods of reducing expression of a flavonoid glucosyltransferase plants, and transgenic and hybrid plants with increased pest resistance are disclosed. The plants can express a polynucleotide that alters, reduces, or silences expression of a flavonoid glucosyltransferase. The flavonoid glucosyltransferase can be Glyma07gl4530, or a variant, homolog, or ortholog thereof. Compositions and methods for placing a gene of interest under an expression control sequence of Glyma07gl4530, or a fragment thereof, and transgenic and hybrid plants containing one or more herbivory-inducible genes are disclosed. The plants can include a polynucleotide having 50, 100, 150, 250, 500, 750, 1,000, 1,250, 1,500, or 2,000 or more nucleotides of an expression control sequence of Glyma07gl4530 operable linked to a nucleic acid encoding a gene of interest. The plants can include one or more transgenes or QTLs that increases insect resistance, for example a Bt transgene, or a Pb, QTL-H, or QTL-G.

Intranasal administration of rapid acting insulin

What is described are pharmaceutical compositions, formulations, and uses thereof, for medicaments for intranasal delivery of insulin to a patient, comprising an aqueous mixture of human insulin, a solubilizing agent, and a surface active agent, wherein the human insulin may be rapid actin insulin.

Band stop filter employing a capacitor and an inductor tank circuit to enhance mri compatibility of active medical devices

A band stop filter is provided for a lead wire of an active medical device (AMD). The band stop filter includes a capacitor in parallel with an inductor. The parallel capacitor and inductor are placed in series with the lead wire of the AMD, wherein values of capacitance and inductance are selected such that the band stop filter is resonant at a selected frequency. The Q of the inductor may be relatively maximized and the Q of the capacitor may be relatively minimized to reduce the overall Q of the band stop filter to attenuate current flow through the lead wire along a range of selected frequencies. In a preferred form, the band stop filter is integrated into a TIP and/or RING electrode for an active implantable medical device.

Method of producing sub-micron particles of biologically active agents and uses thereof

Submicron particles of a biologically active agent are prepared by atomizing using multifluid atomization a dispersed system comprising at least one biologically active agent and at least one solvent to produce droplets, freezing the droplets to produce frozen droplets, lyophilizing the frozen droplets to obtain microstructures capable of being further fragmented into submicron particles by techniques such as probe sonication. The submicron particles can be incorporated into sustained release compositions having a reduced initial release of biologically active agent. The sustained release compositions can be administered to a human or animal.

Magnetic resonance imaging guidewire probe

The invention describes a system, method, and means for an MRI guidewire that can be visible on an MRI; can act as an antenna, and receive MRI signals from surrounding subject matter; and can allow the use of multiple interventional tools without removal of the guide wire from a subject. The antenna (106) extends beyond probe shaft (105) at distal end (109). The probe shaft (105) has a core (101), first electric (102), shield (103), and second dielectric (104).

Mri radio-frequency heating amelioration for metallic braided catheters

An embodiment in accordance with the present invention provides a catheter solution that would maintain MRI-compatible metallic braiding or metallic covering on a surface of the catheter, and that also prevents cables disposed in an interior lumen of the catheter from effectively propagating currents induced from external signal transmissions, which could cause a rise in temperature of the cables themselves and of tissues surrounding the catheter. The present invention uses metals which are non-ferromagnetic and not highly paramagnetic, so they do not cause large susceptibility artifacts in the MRI field. The construction of the braid prevents most of the RF fields from penetrating into the anterior of the catheter. Therefore, there is no need or a reduced need to add heat amelioration components to each electrical cable inside the catheter.

APPARATUS FOR GENERATING ACOUSTIC PULSE IN A MEDIUM

L'INVENTION CONCERNE UN APPAREIL DE GENERATION D'IMPULSION ACOUSTIQUE DANS UN MILIEU, NOTAMMENT LE SOL. L'APPAREIL EST CARACTERISE EN CE QU'IL COMPREND: UN CARTER CYLINDRIQUE 12 AGENCE POUR ETRE SUPPORTE DANS UNE POSITION VERTICALE, UN PISTON DE PERCUSSION 17 MOBILE A L'INTERIEUR DUDIT CARTER 12, DES MOYENS 22 POUR SUPPORTER LEDIT PISTON DE PERCUSSION 17, UN DISPOSITIF 51 AGISSANT EN OPPOSITION AUXDITS MOYENS DE SUPPORT POUR PRODUIRE UN DEPLACEMENT INITIAL DE DESCENTE DUDIT PISTON DE PERCUSSION 17, UNE SOURCE DE GAZ COMPRIME 30, ET DES MOYENS 44 ENCLENCHES PAR LEDIT DEPLACEMENT INITIAL POUR INTRODUIRE BRUTALEMENT LEDIT GAZ COMPRIME DANS LEDIT CARTER 12 AFIN DE PROPULSER LE PISTON DE PERCUSSION 17 VERS LE BAS POUR QU'IL PERCUTE UNE CIBLE 24 PLACEE DANS UNE POSITION ADJACENTE A L'EXTREMITE INFERIEURE DU CARTER 12. APPLICATION A LA PROSPECTION SISMIQUE. THE INVENTION CONCERNS AN ACOUSTIC PULSE GENERATION APPARATUS IN A MEDIUM, IN PARTICULAR THE GROUND. THE APPLIANCE IS CHARACTERIZED IN THAT IT INCLUDES: A CYLINDRICAL CRANKCASE 12 ARRANGED TO BE SUPPORTED IN A VERTICAL POSITION, A PERCUSSION PISTON 17 MOBILE INSIDE THE CASE 12, MEANS 22 FOR SUPPORTING ITS PERCUSSION PISTON 17, A DEVICE 51 ACTING IN OPPOSITION TO THE SAID MEANS OF SUPPORT TO PRODUCE AN INITIAL DESCENT DISPLACEMENT OF THE PERCUSSION PISTON 17, A SOURCE OF COMPRESSED GAS 30, AND MEANS 44 TRIGGERED BY IT INITIAL DISPLACEMENT TO BRUTIALLY INTRODUCE 12 LED AFINIT CAR GAS TO PROPEL THE PERCUSSION PISTON 17 DOWN SO THAT IT PERCUSES A TARGET 24 PLACED IN A POSITION ADJACENT TO THE LOWER END OF THE CASING 12. APPLICATION TO SEISMIC PROSPECTION.

Magnetic resonance imaging guidewire probe

The invention describes a system, method, and means for an MRI guidewire that can be visible on an MRI; can act as an antenna, and receive MRI signals from surrounding subject matter; and can allow the use of multiple interventional tools without removal of the guide wire from a subject. The antenna (106) extends beyond probe shaft (105) at distal end (109). The probe shaft (105) has a core (101), first electric (102), shield (103), and second dielectric (104).

Biocompatible polymer blends and uses thereof

The present invention relates to a novel series of polymers which have been prepared by blending hydrophobic biocompatible, biodegradable polymers or copolymers, such as poly(lactide-co-glycolide), and a biocompatible, amphipathic copolymer having a water absorption ratio of about 2 or less. A process for the preparation of the novel polymer blends and sustained release compositions comprising the novel polymer blends are also part of the invention described herein. Further the sustained release compositions can be used to deliver a biologically active with a desirable release profile and in a sustained fashion to a patient in need thereof.

System and method for encrypting and recording media for a contact center

A system and method for recording media for a contact center where a processor is configured to determine that media exchanged between first and second communication devices during a telephony call is to be recorded; bridge a media path between the first and second communication devices; cause replicating of the media exchanged in the media path; encrypt the replicated media via a first cryptographic key for storing the encrypted media in a data storage device; and encrypt the first cryptographic key via a second cryptographic key for storing the encrypted first cryptographic key as metadata for the encrypted media.

Polymer-based sustained release device

This invention relates to compositions for the sustained release of biologically active polypeptides, and methods of forming and using said compositions, for the sustained release of biologically active polypeptides. The sustained release compositions of this invention comprise a biocompatible polymer having dispersed therein, a biologically active polypeptide and a sugar.

System and method for planning a patient-specific cardiac procedure

A method of planning a patient-specific cardiac procedure according to an embodiment of the current invention includes receiving three-dimensional imaging data of a patient's heart, simulating at least one of electrophysiological or electromechanical activity of at least a portion of the patient's heart using the three-dimensional imaging data, and planning the patient-specific cardiac procedure based on the simulating. The cardiac procedure is for providing a preselected alteration of at least one of electrophysiological or electromechanical behavior of the patient's heart.

A full color, high speed printing machine

Method of producing sub-micron particles of biologically active agents

Submicron particles of a biologically active agent are prepared by atomizing using multifluid atomization a dispersed system comprising at least one biologically active agent and at least one solvent to produce droplets, freezing the droplets to produce frozen droplets, lyophilizing the frozen droplets to obtain microstructures capable of being further fragmented into submicron particles by techniques such as probe sonication. The submicron particles can be incorporated into sustained release compositions having a reduced initial release of biologically active agent. The sustained release compositions can be administered to a human or animal.

Compositions for intranasal delivery of human insulin and uses thereof

What is described is a pharmaceutical formulation for intranasal delivery of insulin to a patient, comprising an aqueous mixture of human insulin, a solubilizing agent, a surface active agent, and a thickening agent, wherein said formulation provides a ultra-rapid acting profile to regular human insulin.

Wrapping-machine.

POLE BASED SUSTAINED RELEASE DEVICE.

Una composición para la liberación sostenida de un polipéptido biológicamente activo, que comprende un polímero biocompatible que tiene el polipéptido biológicamente activo disperso en el mismo de forma que esté presente en un 5% (p/p) del peso de la composición, y sacarosa dispersada en el mismo de forma que está presente en un 2% (p/p) del peso de la composición, en la que el polipéptido biológicamente activo es exendina-4; en la que el volumen total de poros de la composición es de 0,1 ml/g o menor, como se determina usando porosimetría por intrusión de mercurio; y en la que la composición carece de tampón y sales de desplazamiento salino. A composition for sustained release of a biologically active polypeptide, comprising a biocompatible polymer having the biologically active polypeptide dispersed therein so that it is present at 5% (w / w) of the weight of the composition, and dispersed sucrose therein so that it is present at 2% (w / w) of the weight of the composition, in which the biologically active polypeptide is exendin-4; wherein the total pore volume of the composition is 0.1 ml / g or less, as determined using mercury intrusion porosimetry; and in which the composition lacks buffer and salt displacement salts.

Intranasal administration of rapid acting insulin

What is described are pharmaceutical compositions, formulations, and uses thereof, for medicaments for intranasal delivery of insulin to a patient, comprising an aqueous mixture of human insulin, a solubilizing agent, and a surface active agent, wherein the human insulin may be rapid actin insulin.

Carbon-lead blends for use in hybrid energy storage devices

Microencapsulation and sustained release of biologically active polypeptides

This invention relates to compositions for the sustained release of biologically active polypeptides, and methods of forming and using said compositions, for the sustained release of biologically active polypeptides. The sustained release compositions of this invention comprise a biocompatible polymer having dispersed therein, a biologically active polypeptide, a sugar and a salting-out salt.

Intranasal carbetocin formulations and methods for the treatment of autism

Methods and compositions containing oxytocin or an oxytocin analog, such as carbetocin, are provided for the prevention and treatment of autism spectrum disorders, related disorders and symptoms of such 5 disorders. The methods and compositions of this disclosure are effective in the treatment of social withdrawal, eye contact avoidance, repetitive behaviors, anxiety, attention deficit, hyperactivity, depression, loss of speech, verbal communication difficulties, aversion to touch, visual difficulties, comprehension difficulties, and sound and light sensitivity. Additional compositions and methods are provided which employ oxytocin or an oxytocin analog in combination with a secondary or adjunctive 10 therapeutic agent to yield more effective treatment tools against autism spectrum disorders and related disorders.

Novel materials with extremely durable intercalation of lithium and manufacturing methods thereof

Composites of silicon and various porous scaffold materials, such as carbon material comprising micro-, meso- and/or macropores, and methods for manufacturing the same are provided. The compositions find utility in various applications, including electrical energy storage electrodes and devices comprising the same.

Microencapsulation and sustained release of biologically active polypeptides

This invention relates to compositions for the sustained release of biologically active polypeptides, and methods of forming and using said compositions, for the sustained release of biologically active polypeptides. The sustained release compositions of this invention comprise a biocompatible polymer having dispersed therein, a biologically active polypeptide, a sugar and a salting-out salt.

Methodology and apparatus to terminate abandoned active implantable medical device leads

An energy management system facilitates the transfer of high frequency energy coupled into an implanted abandoned lead at a selected RF frequency or frequency band, to an energy dissipating surface. This is accomplished by conductively coupling the implanted abandoned lead to the energy dissipating surface of an abandoned lead cap through an energy diversion circuit including one or more passive electronic network components whose impedance characteristics are at least partially tuned to the implanted abandoned lead's impedance characteristics.

Silicon carbon composites comprising ultra low Z

Silicon-carbon composite materials and related processes are disclosed that overcome the challenges for providing amorphous nano-sized silicon entrained within porous carbon. Compared to other, inferior materials and processes described in the prior art, the materials and processes disclosed herein find superior utility in various applications, including energy storage devices such as lithium ion batteries.

PTH formulations and methods of use

Polymer-based sustained release device

Preparation of polymeric resins and carbon materials

The present application is directed to methods for preparation of carbon materials. The carbon materials comprise enhanced electrochemical properties and find utility in any number of electrical devices, for example, as electrode material in ultracapacitors or batteries.

Methods and apparatus for imaging.

Devices and related aspects for magnetic resonance imaging-based in- situ tissue characterization

Provided herein are methods of analyzing tissue using a magnetic resonance imaging (MRI) compatible tissue analysis device that includes radio¬frequency (RF) tracking and imaging elements. Related kits, systems, and computer program products are also provided.

Process of treating vegetable oils

Compositions and methods to inhibit kidney stone growth

An oral dosage form or plurality of oral dosage forms comprising as active ingredients combinations of citric acid, magnesium citrate, phytin, pyridoxine, and musa is disclosed. The oral dosage form(s) is useful for inhibiting calcium oxalate crystal growth and for treating or inhibiting growth of kidney stones. Methods of inhibiting calcium oxalate crystal growth and of treating or preventing kidney stones are also disclosed.

Intranasal administration of rapid acting insulin

What is described are pharmaceutical compositions, formulations, and uses thereof, for medicaments for intranasal delivery of insulin to a patient, comprising an aqueous mixture of human insulin, a solubilizing agent, and a surface active agent, wherein the human insulin may be rapid actin insulin.

Full-color high speed printing machine

Vibro-thermally assisted chemical vapor infiltration

Reactor designs and process steps are provided for accomplishing vibro-thermally assisted chemical vapor infiltration (VTA-CVI). The provided reactors and processes overcome the challenges for manufacturing composite materials from porous scaffolds. Such reactors and processes find utility in various applications, including production of battery materials, including silicon-carbon composites suitable as anode materials for lithium ion batteries.

Variant hhip1 protein and methods and uses thereof

The present invention is directed to derivatives of Hhip1 and methods of using the same for treatment and diagnosis of cancer in mammals.

Devices for determining depth of chest compressions during CPR

A method of processing a raw acceleration signal, measured by an accelerometer-based compression monitor, to produce an accurate and precise estimated actual depth of chest compressions. The raw acceleration signal is filtered during integration and then a moving average of past starting points estimates the actual current starting point. An estimated actual peak of the compression is then determined in a similar fashion. The estimated actual starting point is subtracted from the estimated actual peak to calculate the estimated actual depth of chest compressions. In addition, one or more reference sensors (such as an ECG noise sensor) may be used to help establish the starting points of compressions. The reference sensors may be used, either alone or in combination with other signal processing techniques, to enhance the accuracy and precision of the estimated actual depth of compressions.

Formulation for intranasal administration of diazepam

The present disclosure provides intranasal mucosal delivery formulations containing diazepam.

Biocompatible polymer blends and uses thereof

Frequency selective passive component networks for active implantable medical devices utilizing an energy dissipating surface

Decoupling circuits are provided which transfer energy induced from an MRI pulsed RF field to the housing for an active implantable medical device (AIMD) which serves as an energy dissipating surface. This is accomplished through broadband filtering or by resonant filtering. In a passive component network for an AIMD, a frequency selective energy diversion circuit is provided for diverting high-frequency energy away from an AIMD lead to the AIMD housing for dissipation of said high-frequency energy.

Intermediate structure for manufacture of plasma addressed liquid crystal display field

The intermediate structure has a channel element (4) with at least one channel in its surface, each channel containing an electrode wire (64) with a length at least equal to the length of the channel. The channel may be provided by a relatively wide slot (60) having a parallel relatively narrow slot (62) along one edge, in which the electrode wire is positioned. An Independent claim for a method of manufacture of a channel structure for a plasma addressed liquid crystal display field is also included.

Critical cooling rate in vapor deposition process to form bladelike semiconductor compound crystals

Novel polymorph of N-Methyl-N-(3-{3-[2-Thienylcarbonyl]-Pyrazol-[1,5-Alpha]-Pyrimidin-7-YI}Phenyl) Acetanide and compositions and methods related thereto.

Polymer-based compositions for sustained release

This invention relates to sustained release compositions, and methods of forming and using said compositions, in particular for the sustained release of Follicle Stimulating Hormone (FSH). The sustained release compositions comprise a polymeric matrix of a biodegradable biocompatible polymer and stabilized FSH. The method of the invention for forming a sustained release composition includes, dissolving a biodegradable biocompatible polymer in a polymer solvent to form a polymer solution; adding biologically active stabilized FSH; removing the solvent; and solidifying the polymer to form a polymer matrix containing stabilized FSH dispersed therein. Also described is a method for providing a therapeutically effective amount of stabilized FSH in a patient in need of for a sustained period comprising administering to the patient a dose of the sustained release compositions of the invention. The sustained release composition of FSH can be used to promote maturation of follicles, promote spermatogenesis and to treat fertility disorders.

Polymer-based sustained release device

This invention relates to compositions for the sustained release of biologically active polypeptides, and methods of forming and using said compositions, for the sustained release of biologically active polypeptides. The sustained release compositions of this invention comprise a biocompatible polymer having dispersed therein, a biologically active polypeptide and a sugar.

Intranasal formulations of interferon beta free of stabilizers that are proteins or polypeptides

Compositions and methods are provided for intranasal delivery of interferon-ß yielding improved pharmacokinetic and pharmacodynamic results wherein the composition is free of a stabilizer that is a protein or a polypeptide. In certain aspects of the invention, the interferon-ß is delivered to the intranasal mucosa along with one or more intranasal delivery-enhancing agent(s) to yield substantially increased absorption and/or bioavailability of the interferon-ß and/or a substantially decreased time to maximal concentration of interferon-ß in a tissue of a subject as compared to controls where the interferon-ß is administered to the same intranasal site alone or formulated according to previously disclosed reports. The enhancement of intranasal delivery of interferon-ß according to the methods and compositions of the present invention allows for the effective pharmaceutical use of these agents to treat a variety of diseases and conditions in mammalian subjects.

Method of determining depth of compressions during cardio-pulmonary resuscitation

A method of processing a raw acceleration signal, measured by an accelerometer-based compression monitor, to produce an accurate and precise estimated actual depth of chest compressions. The raw acceleration signal is filtered during integration and then a moving average of past starting points estimates the actual current starting point. An estimated actual peak of the compression is then determined in a similar fashion. The estimated actual starting point is subtracted from the estimated actual peak to calculate the estimated actual depth of chest compressions. In addition, one or more reference sensors (such as an ECG noise sensor) may be used to help establish the starting points of compressions. The reference sensors may be used, either alone or in combination with other signal processing techniques, to enhance the accuracy and precision of the estimated actual depth of compression.

Chagasin-based scaffold compositions, methods, and uses

Method of determining depth of compressions during cardio-pulmonary resuscitation

A method of processing a raw acceleration signal, measured by an acceleromet er- based compression monitor, to produce an accurate and precise estimated actu al depth of chest compressions. The raw acceleration signal is filtered during integration and then a moving average of past starting points estimates the actual current starting point. An estimated actual peak of the compression i s then determined in a similar fashion. The estimated actual starting point is subtracted from the estimated actual peak to calculate the estimated actual depth of chest compressions. In addition, one or more reference sensors (suc h as an ECG noise sensor) may be used to help establish the starting points of compressions. The reference sensors may be used, either alone or in combination with other signal processing techniques, to enhance the accuracy and precision of the estimated actual depth of compressions.

Methods for sol-gel polymerization in absence of solvent and creation of tunable carbon structure from same

The present application is directed to methods for solvent-free preparation of polymers and their subsequent processing into activated carbon materials. These methods unexpectedly demonstrate ability to tune pore structure in the polymer gel and carbon produced there from, while also providing distinct advantages over the current art.