19 results about "Fluid compartments" patented technology

Disclosed herein is a medical pad for exchanging thermal energy between a targeted temperature management (TTM) fluid and a patient. The medical pad includes a fluid compartment configured for circulation of a TTM fluid therein. The pad is configured for expansion by providing compressed air to one or more air compartments of the pad, where the expansion defines an increased patient contact area of the pad. An air control module provides air pressure to one or more pads of a TTM system, and the air control module may be incorporated into a TTM system module. The pad further includes a hydrogel layer disposed across an under side of the pad.

The invention provides barcode libraries and methods of making and using them including obtaining a plurality of nucleic acid constructs in which each construct comprises a unique N-mer and a functional N-mer and segregating the constructs into a fluid compartments such that each compartment contains one or more copies of a unique construct. The invention further provides methods for digital PCR and for use of barcode libraries in digital PCR.

Methods, systems, devices, and apparatus for dispensing a predetermined amount of fluid to a surface of an eye. A dispensing system includes one or more vial assemblies, each vial assembly including a vial housing and a cup-shaped member coupled to the vial housing to form a hermetically sealed fluid compartment within the vial housing for holding a fluid. The one or more vial assemblies also include a dispensing mechanism coupled to the cup member and configured to dispense a predetermined amount of fluid. The dispensing system also includes a reusable electrically powered dispensing actuator configured to be removably coupled to a vial assembly of the one or more vial assemblies by sliding into the cup member and activate the dispensing mechanism to draw fluid from the hermetically sealed fluid compartment and dispense fluid through the dispensing tip.

A drug delivery system includes a container comprising a luer compartment and a fluid compartment, a luer fitting arranged within the luer compartment and in fluidic communication with the fluid compartment, and a dispenser in fluidic communication with the fluid compartment. A method of aseptically transferring a drug to such a drug delivery system may include providing a vial comprising the drug to be transferred, withdrawing a volume of the drug from the vial with a syringe, coupling the syringe to a drug delivery system via the luer fitting, transferring the drug from the syringe to the drug delivery system, and decoupling the syringe from the drug delivery system.

Devices and system configured to deliver ultrasound to the brain may enhance brain waste clearance for a variety of purposes for acute and / or chronic indications. During use, ultrasound may be projected into multiple regions of the brain to increase circulation of cerebrospinal fluid (CSF) and / or interstitial fluid (ISF) within the brain, increase mechanical mixing of CSF and / or ISF in the skull and / or between intracranial fluid compartments, induce mechanosensitive channel activation, and / or shift a microglial phenotype from the diseaseassociated state to the hemeostatic state, which may impact a neuroimmunologic state of the subject's brain. The ultrasound may be projected into the subject's brain in accordance with an ultrasonic cerebrospinal fluid clearance (UCC) treatment protocol that sets parameters for the UCC treatment. On some occasions, the parameters of a UCC treatment protocol may be responsive to subject characteristics and / or may be used to predict an outcome of treatment.

A self-cleaning mechanism for a filtration system, being disclosed, comprising a filter element positioned in a filtration chamber and a suction scanner for cleaning the filter element upon activation of a cleaning session, wherein a linear motion of the suction scanner between an initial position and a final position is automatically regulated by a linear displacement regulator comprising (i) a regulative -fluid compartment in liquid communication with a regulative flow-restrictor; and (ii) a regulative-fluid compression element linearly comoving with the suction scanner for enforcing a regulative-fluid filled in the regulative-fluid compartment, to flow through the regulative flow-restrictor. Further being disclosed are a filtration system comprising said self-cleaning mechanism, and a method for regulating the linear displacement of a suction scanner of a self-cleaning filtration system by said linear displacement regulator.

The invention provides barcode libraries and methods of making and using them including obtaining a plurality of nucleic acid constructs in which each construct comprises a unique N-mer and a functional N-mer and segregating the constructs into a fluid compartments such that each compartment contains one or more copies of a unique construct. The invention further provides methods for digital PCR and for use of barcode libraries in digital PCR.

The invention relates to a pressure control device for attachment in a pressurized fluid container separating a dispersible fluid compartment and a propellant compartment, comprising a partition wall provided with at least one passage opening; and a closing element attached to the partition wall moveable between a passage opening release position and a passage opening closing position. The invention also relates to a pressurized fluid container provided with a such pressure control device.

Devices used to collect bodily fluids are disclosed. The devices may include a fluid bag and a transformable hanger for mounting the fluid bag to a support structure such as a hospital bed rail. The fluid bag can include a first fluid compartment and a second fluid compartment. The devices may further include a displaceable front cover and a back cover to obscure the bodily fluids from observation.

An analytical device includes a fluid compartment configured to accommodate a solvent, a blocking device configured to close an input and / or an output of the fluid compartment, a flow sensor and / or a pressure sensor coupled to the fluid compartment and configured to perform a measurement with respect to the solvent, a temperature change device coupled to the fluid channel and configured to perform a temperature change with respect to the fluid compartment, and a determination device, configured to determine a thermal property of the solvent based on the measurement and the temperature change.

An injection device for detecting failure modes including at least one of occlusions, air bubbles, leaks, and empty reservoir, based on analysis of an electric signal. The injection device includes a peristaltic fluidic pump including at least one chamber separated by a flexible membrane into a fluid compartment and an air compartment, at least one thermoelectric air compressor configured to compress air in the air compartment to deflect the flexible membrane and displace fluid in the fluid compartment toward its destination, an electric power supply configured to power the at least one thermoelectric air compressor, and means of reading and interpreting electric signals from an electric circuit including the air compressor.

A fluid supply system (10), comprising: a hollow shaft (12) configured to be rotated, the hollow shaft (12) having a peripheral wall (14) defining an inner hollow space (16) extending along a longitudinal axis (18) of the hollow shaft (12); and at least one fluid supply unit (28) for coupling a stationary fluid supply to the hollow shaft (12), the at least one fluid supply unit (28) being configured for supplying a fluid through the inner hollow space (16) of the hollow shaft (12) and including a first element (30) extending at least partially around the hollow shaft (12), wherein the first element (30) is fixedly connected to the hollow shaft (12) for rotating together with the hollow shaft (12), a second element (32) coupled to the first element (30) and being configured for staying stationary during rotation of the hollow shaft (12), a first fluid channel (36) provided in the first element (30), the first fluid channel (36) being aligned with an opening (38) extending through the peripheral wall (14), a second fluid channel (40) provided in the second element (32), a toroidal fluid compartment (42) provided at least partially within the first element (30) and / or the second element (32), wherein the toroidal fluid compartment (42) is fluidly connected to the first fluid channel (36) and the second fluid channel (40) for providing a fluid passage between the first fluid channel (36) and the second fluid channel (40), a sealing element (48) sealingly coupling the first element (30) with the second element (32), wherein the sealing element (48) is configured for sealing the toroidal fluid compartment (42) against an environment of the fluid supply unit (28), and a pipe element (34) fluidly connected to the first fluid channel (36), wherein the pipe element (34) extends along the inner hollow space (16) of the hollow shaft (12).

A medical device assembly comprises a medical device, such as a urinary catheter, comprising an insertable part and a non-insertable part. The insertable part comprises an elongate shaft provided with a hydrophilic coating or surface. The assembly further comprises a wetting fluid compartment arranged to encircle at least a part of the medical device, and preferably at least a part of the non-insertable part, and an aqueous fluid arranged in the wetting fluid compartment. At least one of the aqueous fluid and the hydrophilic coating or surface comprises at least one surfactant. The hydrophilic coating or surface is maintained essentially separated from the aqueous fluid, and arranged to become wetted by movement of the elongate shaft through the wetting fluid compartment.

A self-cleaning mechanism for a filtration system, being disclosed, comprising a filter element positioned in a filtration chamber and a suction scanner for cleaning the filter element upon activation of a cleaning session, wherein a linear motion of the suction scanner between an initial position and a final position is automatically regulated by a linear displacement regulator comprising (i) a regulative-fluid compartment in liquid communication with a regulative flow-restrictor; and (ii) a regulative-fluid compression element linearly comoving with the suction scanner for enforcing a regulative-fluid filled in the regulative-fluid compartment, to flow through the regulative flow-restrictor. Further being disclosed are a filtration system comprising said self-cleaning mechanism, and a method for regulating the linear displacement of a suction scanner of a self-cleaning filtration system by said linear displacement regulator.

The invention provides barcode libraries and methods of making and using them including obtaining a plurality of nucleic acid constructs in which each construct comprises a unique N-mer and a functional N-mer and segregating the constructs into a fluid compartments such that each compartment contains one or more copies of a unique construct. The invention further provides methods for digital PCR and for use of barcode libraries in digital PCR.

An analytical device (100), comprising: a fluid compartment (120), for a solvent; a blocking device (125), configured to close an input (121) and / or an output (122) of the fluid compartment; a flow se

A well tool device, which is for injecting an injection fluid through a hole in a well bore, includes a mandrel, an expandable sleeve provided circumferentially outside of the mandrel, a first and second expander, an injection fluid system, and a control fluid system. The first expander is for moving a first side of the expandable sleeve between a radially retracted state and a radially expanded state. The second expander is for moving a second side of the expandable sleeve between a radially retracted state and a radially expanded state. The injection fluid system includes an injection fluid line and a nozzle element. The nozzle element provides fluid communication between the injection fluid line and an outlet provided on the outside of the expandable sleeve. The control fluid system controls the fluid pressure in a first fluid compartment provided radially between the expandable sleeve and the mandrel.

Devices and methods for intraocular fluid injection are disclosed. A device can include a surgical instrument for an ophthalmic procedure. The surgical instrument can include a handle. A fluid compartment can be coupled to the handle and configured to hold a substance. A tool can be coupled to the distal end of the handle and have a lumen configured to convey the substance into an intraocular site of a patient. A piston can be in the handle and configured to reciprocate along the longitudinal axis of the handle to draw the substance from the fluid compartment and eject the substance through the lumen of the tool. A push button can be on the lateral side of the housing and configured to engage the piston via a sloped surface to actuate a forward stroke of the piston towards the distal end of the handle.

A dose delivery mechanism includes a housing, a piston rod to act on a plunger sealing a fluid compartment and to move in an axial direction relative to the housing to deliver a set dose, and a dose setting member movable relative to the housing during dose setting. A position of the dose setting member relative to the housing defines the set dose, and in an as-delivered condition, the dose setting member is preset to a position that corresponds to a set dose higher than zero.