103 results about "Body surface area" patented technology

In a method and system for planning and implementing a selective internal radiation therapy (SIRT), the liver volume and the tumor volume are automatically calculated in a processor by analysis of items segmented from images obtained from the patient using one or more imaging modalities, with the administration of a contrast agent. The volume of therapeutic agent that is necessary to treat the tumor is automatically calculated from the liver volume, the tumor volume, and the body surface area of the patient and the lung shunt percentage for the patient. The therapeutic agent can be administered via respective feeder vessels in respectively different amounts that correspond to the percentage of blood supply to the tumor from the respective feeder vessels, this distribution also being automatically calculated by analysis of one or more parenchymal blood volume (PBV) images.

A system includes a parameter generation system to determine parameters of at least one phase of an injection procedure based at least in part upon a type of the injection procedure. The parameter generator system determines the amount of a pharmaceutical that is to be delivered to a patient at least in part on the basis of the concentration of an agent in the pharmaceutical and at least on part on the basis of a function that depends upon and varies with a patient parameter. The patient parameter can, for example, be weight, body mass index, body surface area or cardiac output. The pharmaceutical can, for example, include a contrast enhancing agent for use in an imaging procedure.

One or more cardiovascular parameters is estimated as a function of the arterial pressure waveform, in particular, using at least one statistical moment of pressure waveform having an order greater than one. Arterial compliance, the exponential pressure decay constant, vascular resistance, cardiac output, and stroke volume are examples of cardiovascular parameters that can be estimated using various aspects of the invention. In one embodiment of the invention, not only are the first four moments (mean, standard deviation, skewness, and kurtosis) of the pressure waveform used to estimate the cardiovascular parameter(s) of interest, but also heart rate, statistical moments of a set of pressure-weighted time values, and certain anthropometric patient measurements such as age, sex, body surface area, etc.

One or more cardiovascular parameters is estimated as a function of the arterial pressure waveform, in particular, using at least one statistical moment of pressure waveform having an order greater than one. Arterial compliance, the exponential pressure decay constant, vascular resistance, cardiac output, and stroke volume are examples of cardiovascular parameters that can be estimated using various aspects of the invention. In one embodiment of the invention, not only are the first four moments (mean, standard deviation, skewness, and kurtosis) of the pressure waveform used to estimate the cardiovascular parameter(s) of interest, but also heart rate, statistical moments of a set of pressure-weighted time values, and certain anthropometric patient measurements such as age, sex, body surface area, etc.

A UV exposure dosimetry system includes at least one UV sensor that accurately measures the UV irradiance intensity. The system can generate extrapolated UV intensity data based on measured UV intensity data to correct unreliable UV measurement due to inconsistent irradiation of UV light. The UV dosimetry system integrates the extrapolated UV intensity data over time to calculate the real-time UV dosage and the vitamin D production by taking into account factors comprising UV sensor location, body surface area, clothing coverage, and sunscreen usage. Based on the measurement, the system can predict the time remaining to skin burn and the time remaining to reach daily goal of vitamin D production. The UV dosimetry system supports multi-user control through an advanced and user friendly input and output interface.

A short channel Lateral MOSFET (LMOS) and method are disclosed with interpenetrating drain-body protrusions (IDBP) for reducing channel-on resistance while maintaining high punch-through voltage. The LMOS includes:Lower device bulk layer.Upper source and upper drain region both located atop lower device bulk layer.Both upper source and upper drain region are in contact with an intervening upper body region atop lower device bulk layer.Both upper drain and upper body region are shaped to form a drain-body interface. The drain-body interface has an IDBP structure with a surface drain protrusion lying atop a buried body protrusion while revealing a top body surface area of the upper body region.Gate oxide-gate electrode bi-layer disposed atop the upper body region forming an LMOS with a short channel length defined by the horizontal length of the top body surface area delineated between the upper source region and the upper drain region.

A UV exposure dosimetry system includes at least one UV sensor that accurately measures the UV irradiance intensity. The UV dosimetry system integrates the measured UV irradiance intensity over time to calculate the real-time UV dosage and the vitamin D production by taking into account factors comprising UV sensor location, body surface area, clothing coverage, and sunscreen usage. Based on the measurement, the system can predict the time remaining to skin burn and the time remaining to reach daily goal of vitamin D production. The system also calculates the UV index in real-time, and can crowd source the measured data in a network. The UV dosimetry system supports multi-user control through an advanced and user friendly input and output interface.

A method and system to digitally measure area / volume and body surface area of a person and estimate corresponding density and composition as related to a fixed reference frame. This Digital Image Volume Assessment System (DIVAS™) has many desirable features, such as computerized accuracy, precision, convenience, minimal operator expertise and subject compliance is required, and it is economical and expeditious.

The present disclosure provides for a method and a topical composition to treat facial angiofibromas in Tuberous Sclerosis by applying from about 0.25% to about 2% rapamycin to a small body surface area.

A short channel Lateral MOSFET (LMOS) and method are disclosed with interpenetrating drain-body protrusions (IDBP) for reducing channel-on resistance while maintaining high punch-through voltage. The LMOS includes lower device bulk layer; upper source and upper drain region both located atop lower device bulk layer; both upper source and upper drain region are in contact with an intervening upper body region atop lower device bulk layer; both upper drain and upper body region are shaped to form a drain-body interface; the drain-body interface has an IDBP structure with a surface drain protrusion lying atop a buried body protrusion while revealing a top body surface area of the upper body region; gate oxide-gate electrode bi-layer disposed atop the upper body region forming an LMOS with a short channel length defined by the horizontal length of the top body surface area delineated between the upper source region and the upper drain region.

A UV exposure dosimetry system includes at least one UV sensor that accurately measures the UV irradiance intensity. The UV dosimetry system integrates the measured UV irradiance intensity over time to calculate the real-time UV dosage and the vitamin D production by taking into account factors comprising UV sensor location, body surface area, clothing coverage, and sunscreen usage. Based on the measurement, the system can predict the time remaining to skin burn and the time remaining to reach daily goal of vitamin D production. The system can also provide feedback to the user of the device based on a composite metric assessing the degree of balance between the risk of UV exposure and the benefit of UV exposure. The UV dosimetry system supports multi-user control through an advanced and user friendly input and output interface.

A UV exposure dosimetry system includes at least one UV sensor that accurately measures the UV irradiance intensity. The UV dosimetry system integrates the measured UV irradiance intensity over time to calculate the real-time UV dosage and the vitamin D production by taking into account factors comprising UV sensor location, body surface area, clothing coverage, and sunscreen usage. Based on the measurement, the system can predict the time remaining to skin burn and the time remaining to reach daily goal of vitamin D production. The system can also estimate UV intensity for a time in the future at a geographic location based on the forecast UV index data, and predict UV dose and vitamin D generation for the user corresponding to user defined scenarios. The UV dosimetry system supports multi-user control through an advanced and user friendly input and output interface.

A UV exposure dosimetry system includes at least one UV sensor that accurately measures the UV irradiance intensity. The system can generate extrapolated UV intensity data based on measured UV intensity data to correct unreliable UV measurement due to inconsistent irradiation of UV light. The UV dosimetry system integrates the extrapolated UV intensity data over time to calculate the real-time UV dosage and the vitamin D production by taking into account factors comprising UV sensor location, body surface area, clothing coverage, and sunscreen usage. Based on the measurement, the system can predict the time remaining to skin burn and the time remaining to reach daily goal of vitamin D production. The UV dosimetry system supports multi-user control through an advanced and user friendly input and output interface.

This invention relates to predicting a patient's warfarin dose based on the nucleotide at position −1639 of the VKORC1 gene and the genotype of the CYP2C9 gene in that patient. The warfarin dose so predicted can be further adjusted according to the patient's non-genetic factors, e.g., age, body surface area, medical conditions, and use or non-use of certain drugs.

It is intended to provide a system which is safe to both of patients and medical staffs and by which medical accidents can be prevented. An admixture machine for infusion 1 has an information input unit for inputting predetermined information involving data concerning at least the body surface area, AUC or the body weight of the patient; a liquid delivery does calculation unit for determining the does of a liquid form drug and the amount of a diluent and calculating the delivery does of the liquid form drug and the diluent based upon the determined does; a guide unit for inserting a mixing tube which provides channels of the liquid form drug and the diluent; and liquid delivery units which deliver the liquid form drug and the diluent based on the delivery does of the liquid form drug and the diluent as determined in the liquid delivery does calculation unit.

The invention relates to a precise positioning and posing system for the radiation treatment of a cancer patient, and the system comprises an imaging device, a positioning bed and an image processingsystem. The imaging device is used for projecting an optical signal to a body surface area of a patient on the positioning bed or a treatment bed and receiving the optical signal, and converting the optical signal into an electrical signal. The image processing system performs image reconstruction and image matching of the received electric signal and moves the position of the treatment bed according to the matching result. The invention also relates to a method for accurately positioning and posing for radiation treatment of the cancer patient by using the system, thereby solving a problem that a current cancer positioning and posing method cannot meet the requirements of precise radiotherapy for position accuracy, repeatability and retrospectability.

The present disclosure provides for a method and a topical composition to treat facial angiofibromas in Tuberous Sclerosis by applying from about 0.25% to about 2% rapamycin to a small body surface area.

A UV exposure dosimetry system includes at least one UV sensor that accurately measures the UV irradiance intensity. The UV dosimetry system integrates the measured UV irradiance intensity over time to calculate the real-time UV dosage and the vitamin D production by taking into account factors comprising UV sensor location, body surface area, clothing coverage, and sunscreen usage. Based on the measurement, the system can predict the time remaining to skin burn and the time remaining to reach daily goal of vitamin D production. The system also calculates the UV index in real-time, and can crowd source the measured data in a network. The UV dosimetry system supports multi-user control through an advanced and user friendly input and output interface.

A system includes a parameter generation system to determine parameters of at least one phase of an injection procedure based at least in part upon a type of the injection procedure. The parameter generator system determines the amount of a pharmaceutical that is to be delivered to a patient at least in part on the basis of the concentration of an agent in the pharmaceutical and at least on part on the basis of a function that depends upon and varies with a patient parameter. The patient parameter can, for example, be weight, body mass index, body surface area or cardiac output. The pharmaceutical can, for example, include a contrast enhancing agent for use in an imaging procedure.

A UV exposure dosimetry system includes at least one UV sensor that accurately measures the UV irradiance intensity. The UV dosimetry system integrates the measured UV irradiance intensity over time to calculate the real-time UV dosage and the vitamin D production by taking into account factors comprising UV sensor location, body surface area, clothing coverage, and the effective sun protection factor of the applied sunscreen. Based on the measurement, the system can predict the time remaining to skin burn and the time remaining to reach daily goal of vitamin D production. The UV dosimetry system supports multi-user control through an advanced and user friendly input and output interface.

The invention discloses a light heat-resisting conveyor belt, and belongs to the field of conveyor belts. The light heat-resisting conveyor belt comprises an aramid fiber canvas core which is formed by coating the surface of aramid fiber canvas with one or multiple heat resisting adhesive pasting layers. The upper surface and the lower surface of the aramid fiber canvas core are coated by heat resisting adhesive covering layers. The thickness of each heat resisting adhesive pasting layer is 0.45+ / -0.02 mm, the thickness of the upper heat resisting adhesive covering layer is 5.0+ / -0.2 mm, and the thickness of the lower heat resisting adhesive covering layer is 1.5+ / -0.1 mm. The light heat-resisting conveyor belt is thin in belt body, low in weight, small in the body surface area ratio, high in cooling rate, good in heat resistance, and long in service life.

The invention discloses a conformal body surface therapeutic system based on liquid metal. The conformal body surface therapeutic system is capable of conducting conformal therapy in accordance with the morphology of a to-be-treated body surface area of a treated object. The system comprises a three-dimensional body surface morphology data acquisition device, a liquid metal three-dimensional flexible circuit printing device and a body surface treatment control device, wherein the three-dimensional body surface morphology data acquisition device is used for acquiring three-dimensional body surface morphology data of the to-be-treated area; the liquid metal three-dimensional flexible circuit printing device is used for printing a three-dimensional flexible circuit by virtue of a liquid metal material in accordance with the three-dimensional body surface morphology data, wherein the three-dimensional flexible circuit is conformal and is attached to the to-be-treated area in a conformal mode; and the three-dimensional flexible circuit, which is controlled by virtue of the body surface treatment control device, is used for conducting physical stimulation therapy on the to-be-treated area. The therapeutic system provided by the invention has the advantages of being conformal, customized, broad in application scope, convenient for function expansion and upgrading and the like.

The invention provides a method and device for calculating the area of a damaged body surface area. The method and device for calculating the area of the damaged body surface area can achieve high precision on the part, with a large curvature, of the human body and also solve error problems caused by shooting angles. The method comprises the steps of obtaining images of the damaged body surface part at multiple angles; extracting features of the images, conducting feature matching on every two images, and reconstructing a three-dimensional model of the damaged body surface part according to amatching result; conducting UV expansion on the three-dimensional model to obtain a two-dimensional image of the damaged body surface part; obtaining the damaged body surface area in the two-dimensional image according to an image segmentation algorithm, and obtaining the area of the damaged body surface area according to a proportional scale conversion algorithm.

The embodiment of the invention discloses a non-invasive blood pressure monitoring system and method for body surface. The system comprises a blood pressure monitoring sensor subsystem and a processor, wherein the blood pressure monitoring sensor subsystem comprises a transducer array unit, and the transducer array unit comprises a plurality of ultrasonic micro-transducers; the processor comprisesan excitation signal control module, wherein the excitation signal control module is used for controlling the excitation frequency and the excitation time of excitation signals of each ultrasonic micro-transducer of the transducer array unit according to the subcutaneous position depth of the detected arterial blood vessel, the blood flow speed and the detection resolution; and each ultrasonic micro-transducer of the transducer array unit is used for generating acoustic waves under the excitation of corresponding excitation signals so that the transducer array unit emits acoustic wave beams with preset incident angles to arterial blood vessel. The universality, convenience and accuracy of the blood pressure monitoring can be greatly improved by utilizing embodiments in the specification.

An embodiment of the invention discloses a body surface location method. The body surface location method includes that a first image collector acquires a test point of the body surface; a first bed size is acquired, to be specific, the first bed size is s horizontal bed size corresponding to an intersection point of the upper surface, of a current bed, and a connecting line, of the first image collector and the test point of the body surface; a second image collector measures the vertical distance from the test point of the body surface to the upper surface of the bed; a second bed size is determined according to the first bed size; the vertical distance and a first inclined angle, to be specific, the second bed size is the horizontal bed size of the test point of the body surface, and the first inclined angle is between the connecting line, of the first image collector and the test point of the body surface, and a straight line, formed by projecting the connecting line to the upper surface of the bed; the test point of the body surface is located by the second bed size. An embodiment of the invention further discloses a body surface location system. By the use of the body surface location method and system, X-ray radiation which is caused by human body surface location and which brings damages to patients is avoided, health of the patients is improved, and X-ray dosage is reduced.

The invention relates to a method for determining a cardiovascular performance reserve for each individual patient, comprising the steps of: a) receiving input physiological data from the patient for obtaining a parameter Z which is or approximates the product of the Stroke Volume (SV) by the Systemic Vascular Resistance (SVR); b) providing a value representing the Respiratory Rate (RR) of said patient, wherein the Respiratory Rate (RR) value is provided by measurements using dedicated device(s), calculations from the input physiological data or manually by using best estimate; c) providing anthropometric data of said patient for calculating the Body Surface Area (BSA) of said individual, wherein the anthropometric data includes at least body dimensions (such as height and weight) of said patient; d) calculating the Cardiovascular Reserve (CVR) by using said Z parameter and said RR according to following formula: CVR=(Z / RR); e) calculating a Cardiovascular Reserve Index (CVRI) by standardizing said CVR (by said BSA) and normalizing it to a scale of 1 according to the following formula: CVRI=CVR / (BSA*4); and outputting said Cardiovascular Reserve Index.

A method for treatment of esophageal high grade dysplasia comprising the steps of: injecting HPPH in a physiologically compatible medium into a patient having high grade dysplasia tissue to provide a dose level of 3 through 5 mg / m<2> of body surface area, waiting for a time period of 24 through 60 hours to permit preferential absorption of the HPPH into esophageal cancer tissue, and exposing the esophageal cancer tissue to light at a wavelength of about 670 +- 5 nm at an energy of from about 75 to about 200 Joules / cm.

The invention relates to a method for determining a cardiovascular performance reserve for each individual patient, comprising the steps of: a) receiving input physiological data from the patient for obtaining a parameter Z which is or approximates the product of the Stroke Volume (SV) by the Systemic Vascular Resistance (SVR); b) providing a value representing the Respiratory Rate (RR) of said patient, wherein the Respiratory Rate (RR) value is provided by measurements using dedicated device(s), calculations from the input physiological data or manually by using best estimate; c) providing anthropometric data of said patient for calculating the Body Surface Area (BSA) of said individual, wherein the anthropometric data includes at least body dimensions (such as height and weight) of said patient; d) calculating the Cardiovascular Reserve (CVR) by using said Z parameter and said RR according to following formula: CVR=(Z / RR); e) calculating a Cardiovascular Reserve Index (CVRI) by standardizing said CVR (by said BSA) and normalizing it to a scale of 1 according to the following formula: CVRI=CVR / (BSA*4); and outputting said Cardiovascular Reserve Index.

In a method and system for planning and implementing a selective internal radiation therapy (SIRT), the liver volume and the tumor volume are automatically calculated in a processor by analysis of items segmented from images obtained from the patient using one or more imaging modalities, with the administration of contrast agent. In the processor, the volume of therapeutic agent that is necessary to treat the tumor is automatically calculated from the liver volume, the tumor volume, and the body surface area of the patient and the lung shunt percentage for the patient. The segmented tumor, as well as segmented feeder vessels are overlaid on a live fluoroscopic image of the patient during SIRT, to assist in positioning a catheter for administering the therapeutic agent, which is then administered according to the calculated volume. The therapeutic agent can be administered via respective feeder vessels in respectively different amounts that correspond to the percentage of blood supply to the tumor from the respective feeder vessels, this distribution also being automatically calculated by analysis of one or more parenchymal blood volume (PBV) images.