21 results about "Free fluid" patented technology

A proportioner comprising one or more proportioner inlets configured to receive a common concentrated proppant fluid comprising a proppant; two or more flow lines fluidly connected to the one or more proportioner inlets; two or more proportioner outlets, each of the two or more proportioner outlets associated with one of the two or more flow lines; one or more fluid inlets, each of the one or more fluid inlets configured to introduce a proppant-free fluid to the proportioner; and a metering system associated with at least one of the two or more flow lines, each at least one metering system upstream of the proportioner outlet of the flow line with which it is associated and each metering system fluidly connected with at least one of the one or more fluid inlets and configured for proportioning one of the proppant-free fluids into the associated flow line at an injection point.

Embodiments described herein relate to systems and methods of extracting liquid from empty barrels. In one aspect, a method includes heating a barrel with less than about 10 ml of free liquid disposed therein to expand pores in the barrel. The method further includes applying, after the heating, a negative pressure to an interior of a vessel in which the barrel is disposed, such that an amount of liquid is extracted from the barrel. The method includes collecting, after the applying, the amount of liquid within a collection container. In some embodiments, collecting the amount of liquid includes pumping the liquid through a tube that is disposed between an outer surface of the barrel and the collection container. In some embodiments, heating the barrel is via a heated blanket wrapped around the barrel. In some embodiments, heating the barrel is via placing the barrel in an oven.

A method and non-transitory computer-readable medium for automating eFAST analysis of ultrasound scans. The method includes receiving at least one ultrasound image from one or more scan sites; processing the ultrasound image to determine whether there is a presence of one or more fluid pockets or free fluid present in the patient, the injury is selected from pneumothorax, hemothorax, and abdominal hemorrhage; and outputting a result from the processing. A model is trained on historical ultrasound images over a historical observation period, the historical ultrasound images associated with at least one injury determined directly observed presence of a fluid pocket or free fluid present in those images.

Embodiments described herein relate to systems and methods of extracting liquid from empty barrels. In one aspect, a method includes heating a barrel with less than about 10 ml of free liquid disposed therein to expand pores in the barrel. The method further includes applying, after the heating, a negative pressure to an interior of a vessel in which the barrel is disposed, such that an amount of liquid is extracted from the barrel. The method includes collecting, after the applying, the amount of liquid within a collection container. In some embodiments, collecting the amount of liquid includes pumping the liquid through a tube that is disposed between an outer surface of the barrel and the collection container. In some embodiments, heating the barrel is via a heated blanket wrapped around the barrel. In some embodiments, heating the barrel is via placing the barrel in an oven.

The present disclosure provides techniques for free fluid estimation including identifying a region of free fluid in an diagnostic image, calculating a free fluid measure based on the region of free fluid identified in the diagnostic image, and generating a volume class for the region of free fluid in the diagnostic image, wherein the volume class is generated by comparison of the free fluid measure to a data set of previously stored free fluid measures. The present disclosure may be implemented as a method, in a device, a computer readable medium, and a system, among other form factors.

The invention relates to clinical medicine, and more particularly to lymphology, surgery, plastic surgery and oncology, for treating lymphatic swelling in the case of primary or secondary lymphoedema in adults and children, inter alia accompanied by infectious complications, and even more particularly relates to methods for treating lymphoedema and to the use of accessible drugs in the treatment of lymphatic swelling at any stage and in any location. The claimed method for the lymphotropic treatment of lymphoedema involves consecutively preparing an injectable drug composition A containing an adrenergic alpha-1 receptor agonist and a glucocorticoid, administering same by lymphotropic interstitial injection by puncturing the interstitial tissue of the lymphatic region of interest and introducing the drug composition, preparing an injectable drug composition B containing a cholinesterase inhibitor, administering same by lymphotropic interstitial injection by puncturing the interstitial tissue of the lymphatic region of interest and introducing the drug composition, and also, if necessary, preparing an injectable drug composition C containing bovhyaluronidase azoximer, and administering same by interstitial injection by puncturing the interstitial tissue of the lymphatic region of interest. The technical result consists in improving the drainage of free fluid from the tissues and reducing limb swelling in the case of lymphoedema.

Provided is a proportioner having one or more proportioner inlets to receive a common concentrated proppant fluid comprising a proppant, two or more flow lines fluidly connected to the one or more proportioner inlets, two or more proportioner outlets, each of the two or more proportioner outlets associated with one of the two or more flow lines, one or more fluid inlets, each of the one or more fluid inlets for introducing a proppant-free fluid to the proportioner, and a metering system associated with at least one of the two or more flow lines. Each metering system is positioned upstream of the proportioner outlet of the flow line with which it is associated and is fluidly connected with at least one of the one or more fluid inlets for proportioning one of the proppant-free fluids into the associated flow line at an injection point.

The invention relates to clinical medicine, and more particularly to lymphology, surgery, plastic surgery and oncology, for treating lymphatic swelling in the case of primary or secondary lymphoedema in adults and children, inter alia accompanied by infectious complications, and even more particularly relates to methods for treating lymphoedema and to the use of accessible drugs in the treatment of lymphatic swelling at any stage and in any location. The claimed method for the lymphotropic treatment of lymphoedema involves consecutively preparing an injectable drug composition A containing an adrenergic alpha-1 receptor agonist and a glucocorticoid, administering same by lymphotropic interstitial injection by puncturing the interstitial tissue of the lymphatic region of interest and introducing the drug composition, preparing an injectable drug composition B containing a cholinesterase inhibitor, administering same by lymphotropic interstitial injection by puncturing the interstitial tissue of the lymphatic region of interest and introducing the drug composition, and also, if necessary, preparing an injectable drug composition C containing bovhyaluronidase azoximer, and administering same by interstitial injection by puncturing the interstitial tissue of the lymphatic region of interest. The technical result consists in improving the drainage of free fluid from the tissues and reducing limb swelling in the case of lymphoedema.

A computer implementation method for determining a specific temperature Tlog corresponding to a fixed viscosity point of a fluid. The method takes one value of fluid viscosity and one value of temperature as input. The method provides a characteristic temperature Tlog3 as output. The characteristic temperature Tlog3 is calculated using a VFT-like model, the variable parameters of the VFT-like model include a chemical composition-dependent variable parameter T0 that depends on the chemical composition of the fluid, and the variable parameters of the VFT-like model are statistically adjusted based on a dataset of temperature-viscosity values ​​obtained experimentally and / or simulated for the fluid within a chemical composition range.

This invention discloses a low-infection-risk detachable fixation wing and grooveless stop clamp hemodialysis catheter system, belonging to the field of medical device technology. This invention addresses two core pain points of existing long-term hemodialysis catheters: first, it redesigns the traditional one-piece fixation wing as a detachable structure, allowing for quick assembly and disassembly by external force without damaging the catheter, facilitating skin cleaning and reducing the risk of local infection and mechanical damage; second, it optimizes the separate stop clamp into a grooveless structure integrated with the connector, employing a full, smooth inner lumen to completely eliminate dead zones for bacterial residue, reducing catheter-related bloodstream infections at the source. This invention has a simple structure, strong clinical adaptability, and can be widely applied in the field of long-term hemodialysis treatment, demonstrating significant clinical application value.

1. A computer-implemented method for measuring viscosity of a fluid stream flowing through an orifice at a constant acceleration, comprising: The method comprises: receiving as input at least one image of a region of interest of the fluid flow, a cross-section s0 of the aperture, and an output volumetric flow rate U0 of the fluid flow from the aperture; The method provides as an output the viscosity of the fluid, η; The method comprises the steps of: (a) Modeling the geometric profile of the fluid flow through digital processing of the input images; (b) calculating the viscosity of the fluid from the modeled geometric profile, cross section s0, and output volumetric flow rate U0 using a mathematical or physical model; 4. A computer-implemented method comprising:

A body lubricating, moisturizing, anti-inflammatory, and anti-pain formulation utilizes a mucilage-containing extract derived from a plant such as okra, Abelmoschus esculentus (Hibiscus esculentus). The formulation can be provided as a free liquid such as a solution, suspension, foam, gel, cream, ointment, or spray or alternatively impregnated into an absorbent solid article such as a mask, a wipe, swab, a bandage, cloth pad or a gauze. Application of the formulation to a mucosal or external bodily tissue result in the application of a layer of mucilage that lubricates and moisturizes the tissue as well as protects it from external damage from foreign particles and UV irradiation. Application of the formulation to an inflamed tissue provides anti-inflammatory effects and relieves pain.

The invention relates to a medical fluid connector, in particular to a needle-free fluid connector provided with a multi-gear fluid control valve, and provides neutral pressure experience for a user. A fluid connector includes two coaxially interconnected end pieces constituting both ends of the connector and a fluid channel extending through each end piece within each end piece, the channels together providing fluid communication between opposite ends; a multi-stage fluid control valve is disposed within the interconnected end pieces that closes a fluid passage through which fluid flows through the two end pieces through the connector when the fluid control valve is inactive, the control valve including a resiliently compressible assembly that can be activated such that the resilient assembly places the control valve in a partial flow condition, wherein fluid flows into the fluid passage of the first end piece, but maintains fluid from the outlet through the fluid passage of the opposite second end piece, and such that the resilient assembly places the control valve in a fully open state, allowing fluid to flow through the fluid passages of the first and second end pieces through the connector.

The packing-free fluid end comprises a pump head, a pressure relief sleeve and a plunger, the pump head is provided with a working cavity, the pressure relief sleeve is connected to the pump head, the pressure relief sleeve communicates with the working cavity, the pressure relief sleeve is provided with a pressure relief hole, the pressure relief hole penetrates through the pressure relief sleeve, and the plunger is arranged in the working cavity. One end of the plunger penetrates through the pressure relief sleeve and then is embedded in the working cavity in a sliding mode, and the plunger is in clearance fit with the side wall of the working cavity. The plunger is in clearance fit with the side wall of the working cavity, so that frictional wear between the plunger and the working cavity is reduced; meanwhile, under the condition that the plunger goes deep into the working cavity to output high-pressure water, trace high-pressure water permeates into the space between the plunger and the side wall of the working cavity and flows to the space between the plunger and the pressure relief sleeve, the trace high-pressure water releases pressure at the pressure relief hole to become low-pressure water, high-pressure leakage is avoided, and the plunger is cooled.

Provided are systems and methods for analyzing sonograms of abdomen to identify presence or absence of free fluid in the abdomen. The systems and methods are useful for performing or assisting with point of care diagnosis of presence of internal bleeding in trauma patients without requiring input from a radiologist or another clinician trained to analyze sonograms for presence or absence of free fluid. Also provided are methods and system for training a medical imaging system for analyzing sonograms of abdomen to identify presence or absence of free fluid in the abdomen.

A glue-free chemical solvent-free gas sampling tube and respiratory therapy equipment. The gas sampling tube includes: a gas delivery tube; a gas sampling tube connector, where the gas delivery tube is arranged on the gas sampling tube connector; and a locking fastener, where the locking fastener is configured to fix the gas delivery tube to the gas sampling tube connector. The gas sampling tube replaces in a solution of connecting the gas sampling tube connector and the gas delivery tube through glue or a chemical solvent in a conventional art by achieving a stable connection between the gas sampling tube connector and the gas delivery tube through the additionally arranged locking fastener, and then a novel glue-free chemical solvent-free gas sampling tube is provided, so that release of volatile organic matters is avoided fundamentally.

A proportioner comprising one or more proportioner inlets configured to receive a common concentrated proppant fluid comprising a proppant; two or more flow lines fluidly connected to the one or more proportioner inlets; two or more proportioner outlets, each of the two or more proportioner outlets associated with one of the two or more flow lines; one or more fluid inlets, each of the one or more fluid inlets configured to introduce a proppant-free fluid to the proportioner; and a metering system associated with at least one of the two or more flow lines, each at least one metering system upstream of the proportioner outlet of the flow line with which it is associated and each metering system fluidly connected with at least one of the one or more fluid inlets and configured for proportioning one of the proppant-free fluids into the associated flow line at an injection point.

A method (100) for free fluid assessment of a patient, comprising: receiving (120) ultrasound imaging data of the patient's body; analyzing (130) the ultrasound imaging data to identify candidate free fluid in the patient's body, and to further detect one or more of the patient's organs in the patient's body; characterizing (140) the candidate free fluid by comparing the location of the candidate free fluid with the location of the one or more of the patient's organs, wherein the system characterizes candidate free fluid as confirmed free fluid when the location of the candidate free fluid does not overlap with the location of the one or more of the patient's organs, and wherein the system characterizes candidate free fluid as rejected free fluid when the location of the candidate free fluid overlaps with the location of the one or more of the patient's organs; displaying (150) a location of confirmed free fluid.

A body lubricating, moisturizing, anti-inflammatory, and anti-pain formulation utilizes a mucilage-containing extract derived from a plant such as okra, Abelmoschus esculentus (Hibiscus esculentus). The formulation can be provided as a free liquid such as a solution, suspension, foam, gel, cream, ointment, or spray or alternatively impregnated into an absorbent solid article such as a mask, a wipe, swab, a bandage, cloth pad or a gauze. Application of the formulation to a mucosal or external bodily tissue result in the application of a layer of mucilage that lubricates and moisturizes the tissue as well as protects it from external damage from foreign particles and UV irradiation. Application of the formulation to an inflamed tissue provides anti-inflammatory effects and relieves pain.

An ultrasound imaging system includes an ultrasound probe configured to acquire an ultrasound image from a subject, a display configured to provide the ultrasound image, and a processor. The processor is configured to display on the display a set of tasks to be completed during an exam, receive the ultrasound image, determine whether one or more anatomical features are included in the ultrasound image, determine a status of a current task among the set of tasks based on the anatomical features included in the ultrasound image, and provide display data to the display based on the status of the current task, wherein the display is further configured to provide a visual indication of the status based on the display data. The anatomical features include free fluid, and the processor is further configured to indicate completion of the exam upon a determination that free fluid is included in the ultrasound image.

The invention relates to a fluid delivery device (26) for transferring a lubricant, comprising a first component (28), a second component (30) able to rotate relative to the first component (28), an annular chamber (32), which is formed on an end face (34) of the first component (28) that faces towards the second component (30), for receiving the lubricant, at least one hollow pin (38), which is connected to the second component (30) and plunges axially into the annular chamber (32), for fluidic communication between the annular chamber (32) and a fluid channel (36) of the second component (30), and a cover (46), which is connected to the first component (28), for captively retaining the hollow pin (38) in the annular chamber (32), wherein the cover (46) forms a first sliding bearing surface (66), and the hollow pin (38) is axially supported on the first sliding bearing surface (66) via a second sliding bearing surface (68). By virtue of the hollow pin (38) plunging into the annular chamber (32) and of the axially spaced-apart sealing on the first sliding bearing surface (66), good and long-term sealing of the annular chamber (32) can be effected even in the case of installation tolerances, thus allowing maintenance-free and / or leakage-free fluid delivery between components (28, 30) rotating relative to each other.