36 results about "Fluid joints" patented technology

A medical pad for exchanging thermal energy between a targeted temperature management (TTM) fluid and a patient is disclosed. The pad can include a fluid containing layer and a fluid conduit attached therewith via rotatable joint where the joint is configured to facilitate rotation of the fluid conduit with respect to the pad. A method of manufacturing the pad can include coupling a first member of the rotatable joint to a fluid delivery line, coupling the second member to the fluid containing layer, and inserting the first member within an opening of the second member to facilitate a snap-fit retention mechanism between first member and the second member. A method of using the pad can include rotating the fluid delivery line relative to the thermal pad via the rotatable joint when initially applying the pad to the patient or when adjusting an orientation of the pad on the patient.

The invention relates to the technical field of online detection and analysis, and discloses a bone joint synovial fluid detection and analysis system based on microfluidics, which specifically comprises the following steps: acquiring synovial fluid rheological data and synovial fluid molecular activity data in a bone joint movement process and cartilage surface morphological data in a joint buckling process through a biosensor; constructing a synovial fluid dynamic anomaly analysis model, and performing synovial fluid function anomaly analysis through the synovial fluid rheological data and the molecular activity data; a cartilage stress anomaly analysis model is constructed, and cartilage stress anomaly analysis is carried out through cartilage surface morphological change data; obtaining a synovial fluid function abnormality analysis result and a cartilage stress abnormality analysis result to carry out bone joint function adaptability analysis; and acquiring a bone joint function adaptability analysis result and carrying out synovial fluid function abnormality analysis early warning. The problem that in the prior art, due to the fact that the bionic degree of a detection strategy is insufficient and bone joint dynamic parameters are deficient, the association degree of a static synovial fluid detection result and the actual joint rehabilitation condition of a patient is poor is solved.

A medical pad for exchanging thermal energy between a targeted temperature management (TTM) fluid and a patient is disclosed. The pad can include a fluid containing layer and a fluid conduit attached therewith via rotatable joint where the joint is configured to facilitate rotation of the fluid conduit with respect to the pad. A method of manufacturing the pad can include coupling a first member of the rotatable joint to a fluid delivery line, coupling the second member to the fluid containing layer, and inserting the first member within an opening of the second member to facilitate a snap-fit retention mechanism between first member and the second member. A method of using the pad can include rotating the fluid delivery line relative to the thermal pad via the rotatable joint when initially applying the pad to the patient or when adjusting an orientation of the pad on the patient.

The application relates to a sealing test device, comprising a supporting assembly, a clamping assembly and a fluid joint. The supporting assembly is used for supporting the clamping assembly and a bipolar plate; the clamping assembly is arranged between the supporting assembly and the bipolar plate and is used for clamping the end of a fluid channel on the bipolar plate; and the fluid joint is connected with the clamping assembly and abuts on the bipolar plate and is used for ventilating the fluid channel. Through cooperation of the supporting assembly and the clamping assembly, accurate positioning of the bipolar plate is realized, the planarity of a test assembly is guaranteed, the test device can be applied to bipolar plates of various sizes, and the applicability of the test device is improved; the clamping assembly provides a sealed space for the fluid joint and the bipolar plate, leakage of a test fluid is avoided, and the accuracy of a test result and the convenience of a test process are improved.

Disclosed are methods for detecting extracapsular synovial fluid or components thereof as a marker for initiation of processes that lead to degenerative joint disease in a subject.

The invention discloses a fluid joint capable of preventing a sealing ring from being separated through operation under pressure and a method for preventing the sealing ring from being separated. The problem that in the prior art, a sealing ring is prone to being separated when a fluid joint is inserted and pulled under high pressure is solved. The fluid connector capable of preventing the sealing ring from disengaging through operation under pressure comprises a plug and a socket, a valve rod is arranged in the socket, a sealing ring installation groove used for limiting a first sealing ring is formed between the valve rod and the plug, and a plurality of through channels are formed in the sealing ring installation groove. Through the arrangement of the through channel, the through channel is formed in the groove side of the sealing ring which is finally released from sealing and the corresponding position in the plugging process of the plug and the socket, a negative pressure area is formed when fluid passes through, the anti-disengagement performance of the sealing ring is effectively improved through the negative pressure effect, and under-pressure plugging and unplugging under the effect of large pressure difference are achieved; in addition, pressure balance between the fluid plug and the socket can be realized in advance, and the pressure difference is reduced, so that the effect of preventing the sealing ring from being separated from the groove is improved.

The utility model discloses a self-locking fluid connector structure with a function of uniformly distributing locking force and unlocking force, and belongs to the technical field of fluid pipeline connecting pieces. Which comprises a male plug mechanism, a female plug mechanism, a male and female plug locking and unlocking mechanism and a fluid pipeline connector, and is characterized in that the male and female plug locking and unlocking mechanism comprises a lock ring, a reset spring, an unlocking sliding sleeve, an unlocking sliding sleeve limiting piece and a set of locking and unlocking pin rollers, the lock ring is arranged on the female plug mechanism, the reset spring is arranged outside the female plug mechanism in a sleeving mode, and the unlocking sliding sleeve limiting piece is arranged on the unlocking sliding sleeve limiting piece. The unlocking sliding sleeve is arranged outside the female plug mechanism through the unlocking sliding sleeve cavity, the left end of the unlocking sliding sleeve cavity is provided with an unlocking sliding sleeve left-right displacement stroke limiting rib, the unlocking sliding sleeve limiting piece is embedded in the female plug mechanism, and the number of the locking and unlocking pin rollers in one set is three. The method has the advantages that the operation balance and convenience are embodied; the problems of looseness, vibration and deflection in a locking state due to inconsistent stress and loss of rapidness and convenience in unlocking are avoided; and the rationality of the structure is well reflected.

Female Fluid Connection Element and Associated Fluid Connection: This female fluid connection element (100) (R) is designed to be connected to a Schrader-type male fitting (10) with a threaded tubular portion (16). The female element (100) comprises a main body (110), which provides a distal opening (112) for receiving the male fitting in an engaged position, and an adapter (120), which is designed to be secured to a pipe and is assembled to the main body. A locking mechanism (140), which is received in a housing (118) radially formed in the main body, provides a through opening (145) for receiving the male element in the engaged position.A locking stop (170) is guided in the main body (110) and extends into the housing (118) and the opening (145) of the lock, so as to allow movement of the lock between a locked position and an unlocked position, while preventing movement beyond the locked position. See Figure 1 for abbreviations.

The present application relates to a kind of quick measurement system of leakage rate of fluid joint for industrial connection, wherein the system includes: volume control module, including the cylinder of the cavity with cylindrical structure and the piston valve installed in cylinder, the piston valve is connected with the piston rod of servo cylinder;When the cavity volume of the cylinder changes during measurement, the piston valve is subjected to the thrust of one side under the action of pressure and slightly moves to this side, the piston valve generates slight gap, air flows into the side of volume increase, until the pressure difference of the left and right sides of cylinder generates the pressure less than the spring force of piston valve, the internal pressure balance of cylinder is realized.The present application also relates to a corresponding method.Using the quick measurement system of leakage rate of fluid joint for industrial connection and its method of the present application, the measurement efficiency is high, the cost is low, it is suitable for the quick detection of leakage rate of most fluid joints, very convenient large-scale popularization and application.

The present disclosure describes a field flow fractionator comprising: (1) a top plate assembly including a first non-corrosive material, at least three fluid fittings machined in the first non-corrosive material, a top cavity machined in the first non-corrosive material, and at least one top plate O-ring configured to form the horizontal geometry of a separation channel; (2) a membrane; and (3) a bottom plate assembly including a second non-corrosive material, a bottom cavity machined in the second non-corrosive material, a frit configured to be disposed in the bottom cavity, and at least one bottom plate O-ring configured to seal the bottom plate assembly to the top plate assembly, wherein a top surface of the second non-corrosive material and a top surface of the frit are machined to be coplanar; and (4) the top plate assembly, membrane, and bottom assembly define a separation channel.

The invention relates to the technical field of analytical instruments, in particular to a fluid connector and an analytical instrument system.The fluid connector comprises a clamping piece, a matching sleeve and a driving nut; the clamping piece is provided with a first axial inner hole allowing the first pipeline to penetrate through, and the clamping piece is in threaded connection with the second pipeline. The matching sleeve is sleeved on the clamping piece; the driving nut is in threaded connection with the clamping piece; wherein the clamping piece and the matching sleeve are connected through conical surface structures which are matched with each other; the driving nut is configured to drive the matching sleeve to axially move when the driving nut rotates, and the clamping piece is radially shrunk through matching of the conical surface structure, so that the first pipeline is clamped. According to the fluid connector, through cooperation of the conical surface structures, the clamping piece generates radial shrinkage, and large radial clamping force can be provided for the first pipeline, so that clamping of the first pipeline is achieved, axial displacement of the first pipeline under high pressure is prevented, and then the sealing reliability and operation stability of an analytical instrument system are improved.

Fluid dispensing joints and methods of assembling the same are disclosed. Flexible conduits are connected to the joint, and consumable subsystems, conduits, and container lids or other connectors of the joint can be pre-assembled for use. A subassembly is formed by a plurality of fluid connectors coupling a plurality of flexible tubular conduits to a fluid joint having an internal fluid plenum leading to the fluid connectors. Two housings are sandwiched on opposite sides of the subassembly, the housings having mating concave receiving surfaces that collectively fit each fluid connector and clamp the tubular conduit onto the circular flange. The side-by-side joining surfaces on each pair of mating concave receiving surfaces are joined together by means of acoustic welding or the like to make the fluid dispensing joint assembly.

This invention provides an exercise assistance device that assists the user in moving their hip joint in multiple directions, thereby improving the effects of increased synovial fluid, stretching, and muscle training. [Solution] The exercise assist device comprises a base that is placed on the floor, a seat on which the user sits, and legs connecting the base and the seat, the legs having at least one of a first connecting portion that rotatably connects the lower end to the base and a second connecting portion that rotatably connects the upper end to the seat.

The application discloses a fluid joint, a fluid connector and a liquid cooling delivery system, wherein the fluid joint comprises a valve seat, a spherical valve core and a transmission assembly, the valve seat is provided with a butt joint end face, the valve seat is provided with a fluid channel, and a butt joint port is formed in the butt joint end face; the butt joint end face is provided with a convex driving part, and a guide groove is circumferentially arranged with the butt joint port as the center; the spherical valve core is provided with a rotating shaft part, the spherical valve core is arranged in the fluid channel, the rotating shaft part is rotationally connected with the side wall of the valve seat and extends to the outside of the valve seat, and the spherical valve core is rotated to close or open the fluid channel; and the transmission assembly is movably arranged at the position corresponding to the guide groove and is in transmission connection with the outer end part of the rotating shaft part. It can be understood that, during the rotating assembly and disassembly of two fluid joints, the driving parts of the two fluid joints act on the transmission assemblies of each other during the rotation, each transmission assembly drives the spherical valve core to rotate through the rotating shaft part, and the spherical valve core is rotated to open and close the fluid channel.

The present application relates to the technical field of marine equipment modeling simulation, and provides an anchor chain parameterized modeling method and system based on multi-body-fluid joint simulation, which comprises: equivalent actual anchor chain to a plurality of anchor chain balls; by means of constant speed towing hydrodynamic simulation, the viscous resistance of the actual anchor chain section is calculated; the same equivalent anchor chain section is simulated under the same towing working condition, and the viscous resistance of the equivalent anchor chain section is calculated; the anchor chain ball radius is corrected through consistency verification; the density of the anchor chain ball is calculated based on the number and radius of the anchor chain ball; the anchoring water depth, mooring radius and seabed lying anchor chain section length of the actual anchor chain are obtained, and the initial position of each anchor chain ball is determined in combination with the anchor chain ball spacing; the model of the seabed and its irregular structures is created, and multi-body-fluid dynamics joint simulation under the action of gravity is carried out in combination with the radius, density and initial position of each anchor chain ball. The problems of low parameterization degree and poor adaptability of the mooring anchor chain lumped mass modeling method are solved.

The present application provides a dual-mode fluid connector, which comprises a hollow connector, a raw material pipe, a cleaning pipe, a head, a tail, a push rod and a rotatable part. The hollow connector has a cavity inside. The raw material pipe is located on the hollow connector and communicates with the cavity. The cleaning pipe is located on the hollow connector and communicates with the cavity. The head is located at one end of the hollow connector and comprises a connecting port. The connecting port can be detachably connected to a raw material container. The tail is located at the other end of the hollow connector and comprises a through hole. The outer surface of the tail is provided with a track and a barrier wall. The barrier wall is located at one side of the end of the track. The push rod is inserted into the cavity through the through hole and comprises a rod head and a sealing part. The rotatable part covers the tail and contacts the push rod and comprises a guide. The dual-mode fluid connector can be connected to a pipeline conveying cleaning liquid by the cleaning pipe, so that the dual-mode fluid connector does not need to be detached from the raw material container during cleaning.

A fluid distribution joint and a method for assembling the same are disclosed. Flexible conduits are connected to the joint, and the consumable subsystems, conduits, and receptacle caps or other connectors of the joint may be pre-assembled for ease of use. A subassembly is formed by coupling a plurality of flexible tubular conduits to a plurality of fluid connectors of the fluid joint, and the fluid joint has an internal fluid plenum chamber connected to the fluid connectors. Two shells are sandwiched on either side of the subassembly, and the shells fit integrally around each fluid connector and have mating recessed receiving surfaces that clamp the tubular conduits onto circular beads. The joint surfaces juxtaposed on each pair of mating recessed receiving surfaces are joined to each other by means of ultrasonic welding or the like to produce a fluid distribution joint assembly.

The invention provides a spraying device for cleaning colloidal dirt in a pipeline. The spraying device comprises a pipe inserting component and a fluid source connecting cover. The cannula component comprises an inner tube, an outer tube and a tip part; a first fluid joint and a second fluid joint are formed on the fluid source connecting cover; the first fluid source connector is used for being connected with a first fluid source, and the second fluid source connector is used for being connected with a second fluid source. First fluid enters the fluid source connecting cover through the first fluid source connector, then enters the first fluid space through the upper end of the inner pipe, flows through the notches, is sprayed out of the annular gap and is sprayed to the inner wall of the pipeline, and a retaining wall is formed; second fluid enters the fluid source connecting cover through the second fluid source connector, then enters the second fluid space through the upper end of the outer pipe, is sprayed out through the hole channel, enters the pipeline and then is blocked by the blocking wall to flow upwards, and therefore colloidal dirt located above the hole channel is pushed upwards to be discharged.

Fluid coupling systems can include a latching mechanism to releasably latch together two fluid handling devices in an operative arrangement. Such latching mechanisms can include collet connection mechanisms. For example, this document describes fluid couplings with collet connection mechanisms that are adapted to couple with a fluid fitting of a mated fluid coupling quickly and conveniently. Such fluid fittings can include, but are not limited to, a barbed fitting or a sanitary fitting.

Fluid coupling systems can include a latching mechanism to releasably latch together two fluid handling devices in an operative arrangement. Such latching mechanisms can include collet connection mechanisms. For example, this document describes fluid couplings with collet connection mechanisms that are adapted to couple with a fluid fitting of a mated fluid coupling quickly and conveniently. Such fluid fittings can include, but are not limited to, a barbed fitting or a sanitary fitting.

A fluid fitting for mechanical attachment to a fluid element includes a coupling body defining a bore for receiving the fluid element therein, the coupling body comprising a main seal, an inboard seal, an outboard seal, and a torsion ridge; and a drive ring configured to fit over the coupling body. The fluid fitting is configured to be installed on the fluid element by axially translating the drive ring over the coupling body with the fluid element inside the bore of the coupling body, thereby mechanically attaching the coupling body to the fluid element. Moreover, the fluid fitting is configured such that during installation the main seal and torsion ridge initiate deforming contact with the fluid element, and then the inboard seal and outboard seal initiate deforming contact the fluid element.

A surgical system includes a surgical generator and at least one energy delivery device. The surgical generator includes at least one energy output stage configured to deliver energy, a controller configured to control the energy output, and sensor circuitry. The energy delivery device(s) is coupled to the surgical generator, configured for insertion into a synovial joint, and configured to supply energy through synovial fluid in the synovial joint. In a sensing mode, the sensor circuitry is configured to sense at least one electrical parameter of the energy and the controller is configured to determine a parameter of the synovial fluid based thereon. The controller is further configured, in a treatment mode, to control the energy based upon the at least one determined parameter of the synovial fluid to treat tissue of the synovial joint.

A fluid coupling system is provided that includes a first coupler that can be mounted to a first support, and a second coupler that can be mounted to second support. Each of the first and second couplers include a coupler body extending through openings of the respective support walls, and gaskets positioned over the coupler body and on opposing sides of the respective walls of the first and second supports. The gaskets form a fluid tight seal between the first and second coupler bodies and the respective supports, while permitting pivoting of the first and second couplers relative to the respective supports to accommodate for misalignment of the first and second couplers. In some embodiments the first and second supports can be walls of a container or can include framing that supports the containers.

A fluid system includes a fluid fitting for mechanical attachment to a fluid element. The fluid fitting includes a coupling body having an inner surface defining a bore for receiving the fluid element therein, and a seal portion formed on the inner surface for engaging the fluid element. The fluid fitting further includes a ring configured to fit over at least one end of the coupling body. When the ring is installed on the coupling body via force with the fluid element received in the bore, the ring applies a compressive force to the coupling body sufficient to cause permanent deformation of the coupling body such that a tooth of the seal portion bites into the fluid element to thereby attach the fluid element to the coupling body in a non-leaking manner. Moreover, at least one of the fluid element, the coupling body, and the ring includes duplex stainless steel.

The utility model discloses a sealing precise butt joint center connector for fluid transmission, and relates to the technical field of connectors. End covers are arranged on the two sides of the shell, bearings are arranged on the two sides of an inner cavity of the shell, a main shaft is fixedly connected to inner cavities of the bearings, a through hole is formed in the surface of the main shaft, a sealing ring is fixedly connected to the inner cavity of the shell, and the inner wall of the sealing ring makes contact with the surface of the main shaft. And a mounting shell is arranged at the top of the shell. According to the utility model, the fluid joint is connected with the fluid supply pipeline and then is inserted into the mounting port, and the fluid flows into the transmission path of the calender roll through the inner cavity of the shell, the through hole in the surface of the main shaft and the cavity, so that the fluid can be orderly conveyed, and the working mode of synchronous liquid injection and rotation is realized; the fluid can be continuously supplied in the process that the main shaft drives the calendering roller to rotate, the fluid transmission requirement in a dynamic working scene is met, and the function collaboration and the working efficiency are guaranteed.

The invention relates to a bone joint injection as well as a preparation method and application thereof. The bone joint injection comprises dopamine modified hyaluronic acid, amino-polyethylene glycol and a dissolving solution. The amino-polyethylene glycol is introduced into the dopamine modified hyaluronic acid, so that the micro-crosslinking effect can be enhanced, the mechanical property of the bone joint injection is improved, and the problems of joint abrasion and the like caused by lack of bone joint synovial fluid are remarkably improved.

Female fluid connection element and associated fluid connection. This female element (100), which provides an internal channel (V100), comprises a main body (110) and an adapter (120) that is rotatable relative to the main body. The main body has a distal opening (112) designed to receive a male fitting (10). The adapter comprises a proximal portion (121B), which can be connected to a pipe, and a distal portion (121A) with a tubular section (124) through which the adapter is inserted into a bore (114) in the main body. A seal support (160), which is received in the internal channel (V100), supports a first seal (191) between the seal support (160) and an internal surface of the tubular portion (124), and a second seal (192) which is provided to ensure a seal between the seal support (160) and the male end (10) in the connected position, the seal support (160) being free to rotate relative to the main body (110).Figure for the abbreviation: Figure 1.