171 results about "Catch and release" patented technology

A cell analysis and sorting apparatus is capable of monitoring over time the behavior of each cell in a large population of cells. The cell analysis and sorting apparatus contains individually addressable cell locations. Each location is capable of capturing and holding a specified number of cells, and selectively releasing that specified number of cells from that particular location. In one aspect of the invention, the cells are captured and held in wells, and released using vapor bubbles as a means of cell actuation. Disclosed are: a cell manipulation apparatus design; various resistive heater configurations for nucleating microbubbles; various well designs, each in communication with a nucleation chamber or channel, for capturing a specified number of cells; and methods of fabrication and cell population manipulation.

The invention discloses an automatic work piece loading-unloading robot which comprises a machine seat, a rotating shaft, a lifting frame, a telescopic frame, a turnover bracket and a manipulator, wherein the rotating shaft is arranged on the machine seat rotationally; the rotating shaft is connected with a driving device I which is used for driving the rotating shaft to rotate; the lifting frame is arranged on the rotating shaft in a vertical sliding manner; the lifting frame is connected a driving device II which is used for driving the lifting frame to slide up and down; the telescopic frame is arranged on the lifting frame in a horizontal sliding manner; the telescopic frame is connected a driving device III which is used for driving the telescopic frame to slide left and right; the turnover bracket is arranged on the telescopic frame in a vertical turnover manner; the turnover bracket is connected with a driving device IV which is used for driving the turnover bracket to turn; the manipulator is arranged on the turnover bracket; and the manipulator is connected with a driving device V for driving the catching and releasing actions of the manipulator. The automatic work piece loading-unloading robot can be used for conveying the work piece to the preset position accurately and has the high positioning accuracy on the work piece; and the machine is used for replacing the manual labor, so the loading-unloading speed is fast.

An intravenous catheter placement device having a hollow body and a nose on one end of the hollow body. A needle hub fits within the nose and contains a needle embedded therein. A catheter is free to slide along the needle and substantially covers the shaft of the needle. Winged beams on the needle hub include catches and release tabs that cooperate with slots in the nose to retain the needle hub in the nose. A magnified transparent verification cavity in the needle hub provides for viewing blood flash in the cavity to verify that the intravenous catheter is inserted into the correct location. An energy storage device in contact with the needle hub releasably retains the needle hub to prevent premature projection of the needle hub into the hollow body. Upon insertion of the intravenous catheter and introducer needle into a patient, depressing the release tabs triggers the needle hub and blunts the needle within the catheter and projects the needle hub and embedded needle into the hollow body.

Reversible acid-gas binding organic liquid systems that permit separation and capture of one or more of several acid gases from a mixed gas stream, transport of the liquid, release of the acid gases from the ionic liquid and reuse of the liquid to bind more acid gas with significant energy savings compared to current aqueous systems. These systems utilize acid gas capture compounds made up of strong bases and weak acids that form salts when reacted with a selected acid gas, and which release these gases when a preselected triggering event occurs. The various new materials that make up this system can also be included in various other applications such as chemical sensors, chemical reactants, scrubbers, and separators that allow for the specific and separate removal of desired materials from a gas stream such as flue gas.

A method for detecting one or more components of interest in a fluid-borne sample in a microchannel of a microfluidic device includes flowing the fluid-borne sample, in which the one or more components of interest are bound to a first labeled component binding moiety to form a first labeled complex, through a binding channel region of the microchannel. The binding channel region includes a second component-binding moiety reversibly bound to a wall surface of the binding channel region. At least a portion of the one or more components of interest is bound to the second component-binding moiety to form a second labeled complex. The second labeled complex is released from the binding channel region and flowed through a detection channel region of the microchannel, where the second labeled complex is detected.

A handgun retention device for a holster includes a catch that extends into a handgun receiving cavity defined by a body of the holster where the catch engages a trigger guard of a holstered handgun to retain the handgun in the cavity. A lever is operably coupled to the catch and extends below the grip of the holstered handgun and aft of its trigger guard, typically behind a rear margin of the holster, where the lever can be depressed to move the catch and release the handgun. The position of the release lever may promote safe gun handling. In a preferred embodiment, the catch and lever are formed of a resilient injection molded resin in a unitary structure with a spring arm that flexes when the lever is pressed inwardly toward the user's body.

An electromechanical lock includes a latching assembly secured to a first structure, a catch piece secured to a second structure, and an electromechanical device. The latching assembly includes at least one latch element movable between a capture and release states to mechanically engage and disengage the catch piece, an arming member movable between a first and second positions wherein the latch element is released and captured, and a biasing element to urge the arming member into the first position. When the electromagnetic device is switched “on”, it magnetically engages the arming member with sufficient force to overcome the biasing force whereby movement of the catch piece away from the received state results in the latch element moving into the capture state to prevent separation of the first and second structures; when the electromagnetic device is switched “off”, the first and second structures may be separated.

The invention discloses a high-speed catch-release type parallel robot mechanism capable of realizing complete-turn rotation, which comprises a fixed frame, a movable platform, a first branch chain, a second branch chain and a third branch chain, wherein the first branch chain, second branch chain and third branch chain are used for connecting the fixed frame and the movable platform; the third branch chain is arranged in the symmetrical position between the first branch chain and the second branch chain; a first far hack lever of the first branch chain and a second far hack lever of the second branch chain are arranged in a plane symmetry mode; and the first branch chain, second branch chain and third branch chain are respectively connected with the movable platform through a hinge; and the hinge for connecting the movable platform and the three branch chains is arranged in a plane symmetry mode. The invention can realize three-dimensional translation of complete-turn rotation and satisfy the requirements for common catch and release operations; and the invention has the advantages of great volume ratio of working space to machine frame, high complete machine rigidity, high favorable, high speed and acceleration capacities, and axisymmetric kinematic and dynamic properties, and has multiple reorganizable structural styles to satisfy different demands.

The invention discloses a double-layer structure cell capturing chip, which is a micro-slit-structure-based full PDMS (polydimethylsiloxane) micro-fluidic cell capturing chip. The cell capturing chip consists of an upper solidified polydimethylsiloxane thin sheet and a lower solidified polydimethylsiloxane thin sheet, wherein micro-channels with different sizes and shapes are formed in the polydimethylsiloxane thin sheets respectively; the upper layer channel and the lower layer channel are staggered in parallel along edges; and 10+/-5 mu m slits are formed by the channels in an aligning and bonding method, and the length and the quantity of the slits can be adjusted and controlled according to different channel combination and alignment methods so that the amount of captured cells can becontrolled. Based on a hydrodynamics principle, the chip blocks cells by using a slit structure so as to capture a limited quantity of cells, and simultaneously, the cell release can be controlled byadjusting the fluid pressure to realize repeated cell capturing. The chip is made by a conventional chip manufacturing method and can capture and release a single cell and a plurality of cells; moreover, the chip can be used for integrating a microelectrode for monitoring captured cells in real time. The invention also discloses a manufacturing method and process of the chip.

Methods and apparatus enable radiosynthesis of radiolabeled compounds using electrochemical trapping and release. The trapping and release of radioactive isotopes all occur inside a microreactor, a vial or similar device, thus eliminating the need for azeotropic drying and several dead-end filling steps, as well as the necessity to move concentrated radioisotopes from one compartment of the chip to another. These and other features allow radioisotope enrichment to be carried out internally within a radiochemical synthesis chip, providing faster and more robust operation, as well as producing very high radiochemical labeling yields.

A system, sorbent formulations, methods of preparation, and methods are described that provide selective sorption and release of CO₂ from CO₂-containing gases such as syngas. The sorbent may include magnesium oxide (MgO) and a group-I alkali metal nitrate. The sorbent may also include a group-I alkali metal carbonate and/or a group-II alkaline-earth metal carbonate.

According to an aspect, a system in an aircraft includes a vehicle management system (VMS) and a load control system (LCS). The LCS includes an LCS processor operable to receive and transmit a plurality of data and load management commands to one or more of: the VMS and a load control interface. The LCS processor is further operable to interact with one or more of: the VMS, one or more LCS sensors, and a load capturing interface of the aircraft to execute the load management commands as a sequence of one or more load management subcommands. The load capturing interface is operable to capture and release an external load relative to the aircraft using a load capture device. The LCS processor is also operable to report a status of execution of the load management commands to the VMS and the load control interface.

A playard having an easily and selectively attachable changing table platform including a saddle structure for resting upon upper perimeter frame members of the playard and secured from unintentional removal by a latching mechanism. The latching mechanism includes a connector that is secured to the playard upper perimeter frame members in a manner fixing the vertical separation of the connector and the frame member. The changing table includes a latching member moveable between catch and release positions that engages the connector as the changing table is moved into an operable position and prevents the changing table from being uplifted from the playard. The moveable latching member is biased toward the catch position. Movement toward the release position allows the changing table to be removed from the playard.

A passive needle guard includes a body having a cavity therein for receiving a syringe, and a shield. The body is slidable with respect to the shield between retracted and extended positions covering, and exposing, respectively, a needle extending from the syringe, the body being biased towards the retracted position. Latch members extend from the shield that include catches for engaging mating catches on the body for holding the body in the extended position. During use, the needle extending from the syringe is inserted into a patient. A plunger is depressed to inject medication from the syringe, thereby deflecting the latch members to disengage the catches and release the body, whereupon the user may controllably retract the body to the retracted position. In the retracted position, cooperating detents on the shield and body engage one another, thereby substantially permanently covering the needle with the shield.

Apparatus and methods for hitching and unhitching of trailers or other towed devices are disclosed. The hitch assemblies may include alignment features to correct for errors in alignment of the hitch and trailer tongue during the hitching process. The hitch assemblies may compensate for vertical as well as horizontal misalignment. In addition, the hitch assemblies may include automated capture and release of the tongue on the hitch. The hitch assemblies may also disengage integral braking systems that are present on the trailer during the hitching process and re-engage the brakes after unhitching. All of these operations may be accomplished without requiring the driver of the towing vehicle to leave the driving position.

A capture-and-release aircraft for capturing and releasing fixed-wing aircraft is provided. The capture-and-release aircraft comprises a frame to which is secured a set of rotor units. Each rotor unit has a rotor with a rotation axis, the rotation axes of the rotors being generally parallel. A set of aircraft engagement members is also secured to the frame that can align with a set of anchors of a fixed-wing aircraft to releasably couple with the anchors.

The invention relates to a rolling power generating device, comprising a box bed and a load bearing plate which is supported on the box bed by an elastic component; wherein the elastic component comprises an elastic energy storing device which converts the stored elastic potential energy of the load bearing plate into mechanical energy and pushes the fitted generator to generate electricity. The elastic energy storing device comprises an elastic element and a load bearing rod, the load bearing rod is arranged on the head sleeve of the elastic element, the side edge of the head sleeve of the elastic electric element is provided with a transmission gear rack, and the transmission gear rack is meshed with the transmission gear in gear train to transmit power to the gear train. An elastic element travel compressing lock catch and releasing device thereof are also arranged on the energy storing device, so as to control the energy storing device to release the stored potential energy in order. Compared with the prior art, the invention has simple structure, feasibility, high energy acquisition rate and high conversion rate, overcomes the impact and bump of warp structure on motor vehicle, effectively convert the kinetic energy and gravitational potential energy when automobiles pass through into electricity, and realizes clean recycling of energy sources.

The invention discloses a reversibly assembled and decomposable fluorescent magnetic nano material and a nano biological probe and preparation methods thereof. A fluorescent magnetic nano material is prepared through incubation of a magnetic nano material and a cationic polymer and then assembly of a water-soluble quantum dot onto the surface thereof, then a sodium alginate modified fluorescent magnetic nano material is prepared through incubation of sodium alginate and the quantum-dot-coated fluorescent magnetic nano material, then multi layers of sodium alginate are assembled onto the surface of the fluorescent magnetic nano material through layer upon layer self-assembly through utilization of bridging effects of a cross-linking agent, and then the reversibly assembled and decomposable fluorescent magnetic nano material can be obtained. The reversibly assembled and decomposable nano biological probe can be obtained by incubation of the fluorescent magnetic nano material activated by the cross-linking agent and a biomolecule-sodium alginate conjugate. The nano biological probe can realize capture and release of biological target molecules through the cross-linking agent and ethylene diamine tetraacetic acid (EDTA). The preparation methods of the fluorescent magnetic nano material and the nano biological probe are simple and practicable, and have strong operability and good repeatability.