patentstorm.us

Processing pulse signal in conjunction with accelerometer signal in cardiac resuscitation

Patent Number: RE44187
Publication Date: 2013-04-30
Inventors: ; ;

A cardiac resuscitation device that includes a pulse sensor configured to detect pulse information characterizing the cardiac pulse in the patient, an accelerometer configured to detect chest movements of the patient during chest compressions, and memory and processing circuits configured to process the outputs of the pulse sensor and accelerometer to monitor the effect that chest compressions have on the patient's ...

Differential voltage sensing method

Patent Number: 8442628
Publication Date: 2013-05-14
Inventors: ; ;

A differential voltage sensing method for achieving input impedance matching comprises the steps of: providing a first bio-potential signal to a first variable resistor for generating a first signal; providing a second bio-potential signal to a second variable resistor for generating a second signal; differentially amplifying first and second signals for generating a third signal; selecting an operation band of the third signal for generating first and second logic signals; and dynamically ...

Advanced thoracic fluid monitoring capability with impedance

Patent Number: 8442627
Publication Date: 2013-05-14
Inventor:

An implantable medical device used for thoracic fluid monitoring by detection of changes in impedance in a patient. The device measures impedances of the patient in a supine position and in an upright position. The device determines impedance differences between the supine and upright positions which correspond to a diurnal delta value, which may in turn be employed as a diagnostic ...

Systems and methods for communicating with a computer using brain activity patterns

Patent Number: 8442626
Publication Date: 2013-05-14
Inventors: ;

The embodiments described herein are directed to systems and methods for communicating with a computer. The system includes a capture device having sensors to capture a particular brain activity pattern indicative of the mental activity generated in the user by a particular subject, a data storage device operable for storing a plurality of stored brain activity patterns each of which being associated with at least one computer readable indicia indicative of a subject that generated that ...

Determining and illustrating tracking system members

Patent Number: 8442625
Publication Date: 2013-05-14
Inventors: ; ; ; ; ;

A volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An ...

System for cardiac medical condition detection

Patent Number: 8442624
Publication Date: 2013-05-14
Inventor:

A system for heart performance characterization and abnormality detection processes a heart electrical activity signal in determining multiple first signal characteristic values over multiple heart cycles. A first signal characteristic value substantially comprises a time interval between a peak of a P wave to a peak of a succeeding R wave representing a repolarization time interval in an individual heart cycle and the signal processor uses a peak detector and time detector for identifying ...

Site marker visible under multiple modalities

Patent Number: 8442623
Publication Date: 2013-05-14
Inventors: ;

Various embodiments of a site marker are disclosed that comprise a body portion and a marker element. The body portion is constructed of a bioabsorbable material and defines at least one cavity therein. The marker element is captured within one of the cavities. The marker element is constructed of a material that may be imaged under at least one imaging ...

Vertebra segmentation apparatus, vertebra segmentation method, and recording medium with program for vertebra segmentation

Patent Number: 8442622
Publication Date: 2013-05-14
Inventor:

Based on generated tomographic images, a first feature quantity representative of a clearness of sectional shapes crossing the Z′ axis at the vertebrae is calculated for each of respective points on the Z′ axis. Further, based on the generated tomographic images, a second feature quantity representative of a clearness of sectional shapes parallel to the Z′ axis at the vertebrae is calculated for each of the respective points on the Z′ axis. A third feature quantity representative of ...

Surgical trajectory monitoring system and related methods

Patent Number: 8442621
Publication Date: 2013-05-14
Inventors: ; ;

Systems and methods for determining a desired trajectory and/or monitoring the trajectory of surgical instruments and/or implants in any number of surgical procedures, such as (but not limited to) spinal surgery, including (but not limited to) ensuring proper placement of pedicle screws during pedicle fixation procedures and ensuring proper trajectory during the establishment of an operative corridor to a spinal target ...

Implantable lead/electrode delivery measurement and feedback system

Patent Number: 8442620
Publication Date: 2013-05-14
Inventors: ; ; ; ; ;

A lead implantation system with an introducer, a lead configured to engage with the introducer such that the introducer can convey the lead to a desired internal target location, and at least one sensor. The sensor is adapted to generate an indicator of desired engagement of the system with the desired target tissue location prior to engagement of the lead with the target tissue. Also a method of implanting an implantable patient lead including advancing a lead implantation assembly towards ...

System and method for detecting errors in position tracking systems used for medical applications

Patent Number: 8442619
Publication Date: 2013-05-14
Inventors: ; ;

A system and method for identifying errors while tracking instrument navigations is enclosed. The method may include assigning a plurality of virtual points to a plurality of sensors. At least one of the virtual points may be a non-fixed virtual point. The assignment of virtual points to sensors may be determined based on the medical instrument, or the medical instrument attachment, being used. Virtual point locations may be determined for the non-fixed virtual point. The locations of the ...

Method and system for delivering a medical device to a selected position within a lumen

Patent Number: 8442618
Publication Date: 2013-05-14
Inventor:

A system and method are provided for delivering a medical device on a catheter to a selected position within a lumen of the body. A medical positioning system (MPS) acquires MPS data for points within the lumen using an MPS sensor on the catheter. Each of the points is associated with a three-dimensional coordinate system and an activity state of an organ of the patient. A user interface receives position data for the selected position. The position date is associated with an MPS ...

System for magnetic resonance and X-ray imaging

Patent Number: 8442617
Publication Date: 2013-05-14
Inventor:

A patient table for a common imaging system including Magnetic Resonance and X-Ray retains the patient stationary in position prior to, during and subsequent to the imaging and includes a base, a patient support portion cantilevered from the base and a mattress. A safety system is provided for controlling the operation of the magnet and MR system and the X-Ray systems to allow effective safe operation and controls the movement of the magnet to the table and the movement of the X-Ray imaging ...

Method and device for monitoring a radio-frequency transmitter device in a magnetic resonance tomography system

Patent Number: 8442616
Publication Date: 2013-05-14
Inventors: ;

In a device for monitoring a radio-frequency transmit device of a magnetic resonance system, having a transmitter antenna system that has a number of transmit channels, a reference scattering parameter matrix of the transmitter antenna system is determined in the unloaded state with no subject present, and a subject-specific scattering parameter matrix of the transmitter antenna system is determined in a state loaded with the subject. time-dependent transmitter amplitude vectors are ...

Physiological measuring system comprising a garment in the form of a sleeve or glove and sensing apparatus incorporated in the garment

Patent Number: 8442615
Publication Date: 2013-05-14
Inventors: ;

A measuring system for measuring electrocardiogram signals comprises a diagnostic garment with ECG electrodes that may assume the form of a sleeve or glove. A disposable version of the glove can be inflated. By using an inflatable glove, the contour of the body is automatically matched by the contour of the glove. Samples from the ECG electrodes positioned on a diagnostic garment are compensated so that the samples better approximate samples from EEG electrodes that are positioned at ...

Stiffness enhanced filaments

Patent Number: 8442614
Publication Date: 2013-05-14
Inventor:

An embodiment of the invention includes a biocompatible stiffness enhanced pliable electrically conductive filament configured for contact with living tissue and electrical communication with such tissue. The pliability of the filament allows the distal end of the filament to remain at the original site of penetration into the tissue despite the movement of the tissue relative to its surrounding environment. To temporarily stiffen the filament, a soluble stiffness enhancing coating is ...

Mapping probe assembly with skived tube body frame

Patent Number: 8442613
Publication Date: 2013-05-14
Inventors: ;

An embodiment of a mapping probe assembly includes a body frame with a lumen therein. The body frame includes a catheter shaft region, a loop section and a transition region between the catheter shaft region and a loop section. A plurality of mapping electrodes are attached around the loop section. Electrical conductors extend through the lumen of the body frame to the mapping electrodes. In some embodiments, the loop section is skived, where a portion of the body frame is removed toward ...

Implantable electrophysiology lead body

Patent Number: 8442612
Publication Date: 2013-05-14
Inventor:

The invention is an electrophysiology lead body comprising two or more longitudinal elements, each having an outer surface, the longitudinal elements comprising electrical insulation material, the electrical insulation material consisting essentially of fluoropolymer; at least one conductor disposed within at least one of the longitudinal elements; and a cover consisting essentially of fluoropolymer, wherein the cover surrounds the longitudinal ...

Medical device with reservoir-based sensors

Patent Number: 8442611
Publication Date: 2013-05-14
Inventors: ; ; ;

A medical device is provided which may include a reservoir which has an opening and contains a sensor; a reservoir cap closing off the opening to isolate the sensor from an environmental component outside the reservoirs, the reservoir cap being impermeable to the environmental component and adapted to selectively undergo a phase change to disintegrate the reservoir cap and thereby expose the sensor to the environmental component. A method of use may include (i) selectively disintegrating a ...

System and methods for processing analyte sensor data

Patent Number: 8442610
Publication Date: 2013-05-14
Inventors: ; ;

Systems and methods for processing sensor analyte data, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. During initial calibration, the analyte sensor data is evaluated over a period of time to determine stability of the sensor. The sensor may be calibrated using a calibration set of one or more matched sensor and reference analyte data pairs. The calibration may ...

Oral health measurement clamping probe, system and method

Patent Number: 8442609
Publication Date: 2013-05-14
Inventors: ; ; ; ;

Devices, systems, and methods determine the health of oral objects by providing objective measurements using a detachable probe body. The detachable probe body may isolate reusable system components (including an electromagnetic signal detection, signal transmission, energy generation, and or energy transmitting components) from the oral cavity, optionally by encasing at least a portion of one or more of these components in a sheath or the like. A window of the probe body maintains sterile ...

System and method for estimating physiological parameters by deconvolving artifacts

Patent Number: 8442608
Publication Date: 2013-05-14
Inventor:

There is disclosed a system and methods to estimate physiological parameters. In accordance with embodiments a method is disclosed which includes generating distribution data for a plurality of signals. The method may also include deconvolving one of the plurality of signals from the other plurality of signals to produce clean signals. The clean signals may then be used to calculate physiological ...

Hand-held vital signs monitor

Patent Number: 8442607
Publication Date: 2013-05-14
Inventors: ; ; ;

The invention features a vital sign monitor that includes: 1) a hardware control component featuring a microprocessor that operates an interactive, icon-driven GUI on an LCD; and, 2) a sensor component that connects to the control component through a shielded coaxial cable. The sensor features: 1) an optical component that generates a first signal; 2) a plurality electrical components (e.g. electrodes) that generate a second signal; and, 3) an acoustic component that generates a third ...

Optical sensor apparatus and method of using same

Patent Number: 8442606
Publication Date: 2013-05-14
Inventor:

An apparatus for, and method of, sensing characteristics of a vessel and a fluid conveyed ...

Lumen passability checking device, lumen passability checking method, and method of manufacturing lumen passability checking device

Patent Number: 8439851
Publication Date: 2013-05-14
Inventors: ;

A lumen passability checking device includes: an expandable and shrinkable outer casing that contains a predetermined fluid, is expanded by a pressure of the contained fluid, and forms an external diameter substantially equal to that of a capsule medical device to be inserted into a body of a subject; and a shape manipulating unit that flows out the fluid contained in the outer casing to shrink-deform the outer casing. The outer casing is shrink-deformed by flowing out the fluid, while ...

Cervical sizing devices and related kits and methods

Patent Number: 8439850
Publication Date: 2013-05-14
Inventors: ; ;

This disclosure relates to cervical sizing devices and related kits and methods. In some aspects, a cervical sizing device includes an elongate arm and a member positioned at a distal end region of the elongate arm. The cervical sizing device can be used to determine an approximate size of a cervix when the member is brought into contact with an outer surface of the ...

Intestinal peristalsis detecting device and system and method thereof

Patent Number: 8439849
Publication Date: 2013-05-14
Inventors: ; ; ;

An intestinal peristalsis detecting device comprises a radio frequency (RF) signal generator, an antenna, and a mixer. After the RF signal generator sends a pulse signal, the antenna receives the pulse signal and emits a pulse electromagnetic wave to an organism. Thereafter, the antenna receives a response pulse electromagnetic wave reflected from the organism to generate a response pulse signal. The mixer couples with the RF signal generator and the antenna to mix the pulse signal and the ...

Blood testing device

Patent Number: 8439848
Publication Date: 2013-05-14
Inventors: ;

A blood testing device that can perform blood testing having lighting intensity independent of the number of times of piercing. The blood testing device (21) has a cover unit (20) removably installed on negative pressure chambers (25a, 25b). The cover unit (20) has a circular tube section (20b) surrounding the optical axis of a laser unit (26) and having a predetermined length in the direction of the optical axis, a cover ...

Method and apparatus for simultaneously collecting exocervical and endocervical samples

Patent Number: 8439847
Publication Date: 2013-05-14
Inventor:

A combination exo-endocervical sampling device includes a shaft that includes a first end opposite a second end, and a combination exo-endocervical sampler configured to simultaneously collect endocervical cells and exocervical cells. The combination exo-endocervical sampler is coupled to the second end and includes a pair of opposing wings disposed transverse to the shaft and a brush extending from the wings along a central axis of the shaft. Each of the opposing wings includes a plurality ...

Bone biopsy device

Patent Number: 8439846
Publication Date: 2013-05-14
Inventor:

A bone biopsy device includes an outer cannula having a mouth with a cutting edge to section a frustule of spongy bone, a plate mounted slidably within the cannula and provided with a semi-cylindrical portion at its distal end, and a stylet mounted slidably within the plate and provided with a pointed tip which protrudes from the mouth of the cannula to pierce the compact part of the bone. The mouth of the cannula has on its inside a narrowing and the semi-cylindrical part of the plate has ...

Obtaining measurements of muscle reflexes for diagnosis of patient symptoms

Patent Number: 8439845
Publication Date: 2013-05-14
Inventors: ; ; ;

A system and method is disclosed for measuring muscle reflexes (e.g., a bulbocavernosus reflex) as a tool for identifying/diagnosing dysfunctions (e.g., spinal cord abnormalities, bladder voiding dysfunction, and sexual organ dysfunction) non-invasively by using mechanical stimulation. The system and method includes a probe having a predetermined patient contacting portion, wherein when the contacting portion is moved into contact with a particular area of the patient (e.g., the patient's ...

Step rate optimization device

Patent Number: 8439844
Publication Date: 2013-05-14
Inventor:

A step rate optimization device (12). The device includes a timer, a pedometer, an arterial waveform sensor (24), a processor and an indicator (16). The device indicates to the user (10) of a substantially sub-optimal relationship between the user's pulse rate and stride rate when the user's dominant stride rate frequency is at about 2-3 Hz and has a larger amplitude than the component of the user's dominant pulse waveform frequency at about 4-7 Hz and of a ...

Automatic ankle brachial pressure index system

Patent Number: 8439843
Publication Date: 2013-05-14
Inventors: ;

An ABPI measurement system includes two cuffs for each ankle and two cuffs for each arm of a patient. Each cuff has chambers. The four cuffs are applied to each limb (or finger or toe), each chamber is inflated simultaneously to a pressure until a Pneumo Arterial Plethysmography (PAPG) signal related to the arterial flow in the limb is detected at the chambers. The chambers are then simultaneously inflated until the PAPG signals are extinguished in each limb, the inflation of chambers ...

Method and device for controlling transmission power of an active transducer

Patent Number: 8439842
Publication Date: 2013-05-14
Inventor:

A method of operating an ultrasound signal generator includes generating a stimulus signal and receiving a returned signal. The Signal to Noise Ratio (SNR) of the returned signal is computed. The SNR is compared to an optimal SNR range. A control signal is generated to control the transmission power of the stimulus signal. A new stimulus signal is generated at the new transmission power. A device for collecting and analyzing a quasi-periodic signal includes a SNR calculator that computes ...

Method of measuring the thickness of a biological tissue by ultrasounds and device for carrying out such method

Patent Number: 8439841
Publication Date: 2013-05-14
Inventor:

A method of measuring the thickness of a biological tissue by ultrasounds and a device carrying out such method. The method is implemented with an ultrasound probe that emits ultrasonic pulses within a body under examination and receives echoes generated from structures of the body under examination. The probe includes an array of two or more electro-acoustic transducers and, in combination, means for processing the reception signals and means for orienting one or more lines of sight, along ...

Ultrasound imaging system and method with automatic adjustment and/or multiple sample volumes

Patent Number: 8439840
Publication Date: 2013-05-14
Inventor:

Adjustment of operation of an ultrasound imaging system may be based at least in part on one or more characteristics represented in ultrasound return signals from two or more sample volumes. Adjustment may include adjusting a principal sample volume location or selecting a new principal sample volume. For example, a location of a principal sample volume may be adjusted or new principal sample volume selected so as to remain focused on an identified region of interest or to maintain the ...

Ultrasonic diagnosis device and ultrasonic probe for use in ultrasonic diagnosis device

Patent Number: 8439839
Publication Date: 2013-05-14
Inventor:

An ultrasonic diagnostic apparatus includes a structure for adjusting the positional relationship between an ultrasonic transducer and a blood vessel for measuring an elasticity characteristic. The apparatus includes an ultrasonic probe including a transducer for transmitting an ultrasonic wave and receiving the ultrasonic wave reflected by a tissue of a biological body; and a driving device for physically moving the transducer. For measuring the elasticity characteristic of the blood ...

Inserter for transcutaneous sensor

Patent Number: 8439838
Publication Date: 2013-05-14
Inventors: ;

The invention relates to an inserter for a transcutaneous sensor comprising a sensor part e.g. for registration of the bloods content of glucose. The inserter comprises a needle unit comprising a needle hub and a carrier body, and a sensor housing. The sensor housing and the needle hub are releasably connected and when they are connected, the insertion needle is placed along the sensor e.g. surrounding the sensor wholly or partly. The carrier body guides the movement relative to the housing ...

Systems and methods for detecting hypoglycemic events having a reduced incidence of false alarms

Patent Number: 8439837
Publication Date: 2013-05-14
Inventors: ; ; ;

The present invention is directed to a method of reducing false readings in a hypoglycemic detector that includes establishing a predetermined hypoglycemic threshold, a predetermined critical threshold, a predetermined rate of change in glucose concentration where the predetermined critical threshold is below the predetermined hypoglycemic threshold. A first sampling rate is then calculated based upon said predetermined hypoglycemic threshold, said predetermined critical threshold, and said ...

Method and apparatus for monitoring the autonomous nervous system of a sedated patient

Patent Number: 8439836
Publication Date: 2013-05-14
Inventor:

The invention relates to a method and an apparatus for monitoring the autonomous nervous system of a sedated patient. According to the method, skin conductance is measured through a time interval. Average skin conductance values and the number of fluctuation peaks are in the interval are calculated and analyzed, and an indication is given of the state of pain/discomfort in the patient as well as the state of awakening in the patient. The invention is particularly applicable for use with ...

System and method for diagnosis and management of sepsis

Patent Number: 8439835
Publication Date: 2013-05-14
Inventors: ; ; ;

Embodiments of systems and methods for providing protocols for administering an aspect of care are presented. Specifically, certain embodiments relate to a sepsis diagnosis and management protocol which may have been segmented according to the severity of the sepsis, where the care directives provided by the differing segments of the protocol will be of differing intensity or invasiveness based upon the severity of the patient's disease. Embodiments of such protocols may be implemented in ...

Analysis system with user-friendly display element

Patent Number: 8439834
Publication Date: 2013-05-14
Inventors: ; ; ; ;

A portable medical system is provided for the purposes of analysis and/or medication, the system having at least one of a medical monitoring device, an analysis device and a medication device. The portable medical system comprises at least one display element comprising at least one organic light-emitting diode display. An optimization device can be provided that comprises a brightness sensor and is configured to optimize the brightness, contrast and/or power consumption of the at least one ...

Ophthalmic structure

Patent Number: 8439833
Publication Date: 2013-05-14
Inventors: ;

A ring for dilating a pupil during an ophthalmic procedure includes a series of spaced supports for engaging an iris perimeter. The supports are plate elements which form an open pocket directed outwardly for engaging the iris. The sides of the ring form a primary plane, and the plates are located in respective planes above and below the primary plane. The outer periphery of the top and bottom plates forms a lip feature which is the opening to the pocket which retains the ...

Surgical access system and related methods

Patent Number: 8439832
Publication Date: 2013-05-14
Inventors: ; ;

A surgical access system including a tissue distraction assembly and a tissue refraction assembly, both of which may be equipped with one or more electrodes for use in detecting the existence of (and optionally the distance and/or direction to) neural structures before, during, and after the establishment of an operative corridor to a surgical target ...

Laparoscopic instrument and trocar system and related surgical method

Patent Number: 8439831
Publication Date: 2013-05-14
Inventor:

Laparoscopic instruments and cannulas are provided for performing laparoscopic procedures entirely through the umbilicus. Generally S-shaped laparoscopic instruments placed through the C-shaped trocar sleeves or through the cannula and instrument holder unit provide markedly improved degrees of instruments' freedom during trans-umbilical laparoscopic ...

Cannula with integrated camera and illumination

Patent Number: 8439830
Publication Date: 2013-05-14
Inventors: ; ; ;

A cannula assembly includes a tubular element forming a lumen, a deployable portion of the tubular element, and an electronic component mounted to the deployable portion of the tubular element. The tubular element has a proximal end and a distal end adapted to be inserted into a body cavity. The deployable portion of the tubular element is engaged near the distal end of the tubular element so as to transition between a closed position and an open position. The electronic component is at ...

Endoscope, distal end cap-equipped endoscope and endoscope cleaning sheath

Patent Number: 8439829
Publication Date: 2013-05-14
Inventor:

An endoscope includes, an insertion section, a distal end section body has an observation window, a liquid feed path which is formed to supply a liquid to the distal end section body side, a gas feed path which is formed to supply a gas to the distal end section body side, and a nozzle having a confluent portion which makes confluent the liquid supplied from the liquid feed path and the gas supplied from the gas feed path, and a jet outlet which jets a gas/liquid mixture fluid, which is ...

Treatment endoscope

Patent Number: 8439828
Publication Date: 2013-05-14
Inventors: ;

In a treatment endoscope which includes: an elongated insertion section having a first channel for inserting a treatment instrument therethrough; an arm, having a second channel for inserting a treatment instrument therethrough, attached to the distal end of the insertion section so that the first channel communicates with the second channel; a first operation section for operating the arm; and a second operation section for operating the insertion section, the arm has a first bending ...

Endoscope system and control method for the same

Patent Number: 8439827
Publication Date: 2013-05-14
Inventor:

In an endoscope, a solid-state image pickup device images an object, to output an image signal. In a processing apparatus, an illuminator applies normal light and specific light having spectral distribution different from the normal light to the object. A display control unit operates according to the image signal, to cause display of a normal image of the object produced by applying the normal light, and a specific image of the object produced by applying the specific light. A motion ...

Medical instrument having a display unit that displays a shape of an insertion body inserted into an interior of an object to be examined

Patent Number: 8439826
Publication Date: 2013-05-14
Inventors: ; ; ; ;

A medical instrument including a distortion detection probe disposed in an insertion portion to be inserted into the interior of an examinee provided with a plurality of FBG sensor sections that detect distortion of the insertion portion, a coordinate calculation section that calculates first three-dimensional coordinates of the respective FBG sensor sections according to a first three-dimensional coordinate system whose origin is a predetermined position based on the detection results of ...