Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

122 results about "Tubing set" patented technology

Fluidics control system for multi catheter stack

PendingUS20250352717A1Medical devicesPressure infusionCatheterSingle contrast
A fluidics system includes a cassette having a saline subsystem, a contrast subsystem, and a vacuum subsystem. The fluidics system further includes a splitter and a first tubing set coupled to the cassette and splitter, the first tubing set having a single saline channel, a single contrast channel, and a single vacuum channel. The fluidics system further includes two or more hub assemblies, at least one of the two or more hub assemblies configured to have a third saline flow-path, a third contrast flow-path, and a third vacuum flow-path to provide saline, contrast and vacuum to the lumen of a catheter coupled to the at least one of the two or more hub assemblies. The fluidics system further includes a second tubing set having a plurality of tube groups, each tube group coupled to the splitter and to one of the two or more hub assemblies.
Owner:IMPERATIVE CARE INC

Perfusion systems and methods for controlling tissue oxygenation at select vascular pressures

PCT designated stageWO2026033496A1Other blood circulation devicesControl devicesLimb ischemiaCatheter
Perfusion systems and methods are provided for enhancing perfusion to the vasculature of a patient suffering from reduced blood flow. For example, the system can increase peripheral blood flow to reduce limb ischemia, in which an extracorporeal pump having a controller, and catheter / tubing set, employed alone or in conjunction with an interventional or circulatory assist device, withdraws blood from a patient's vasculature and reintroduces that blood at another location within the patient's vasculature at a controlled local pressure or flow rate, without interfering with operation of the interventional or circulatory assist device or surgical intervention.
Owner:TULYP MEDICAL SAS

Batch uncovering device applied to single urination test tube group

The utility model discloses a batch uncovering device applied to a single urine discharge test tube group. The batch uncovering device comprises a main shell and a test tube clamping unit, wherein the test tube clamping unit is right opposite to the direction of an outer tube group push-in groove and is arranged in an inner cap body processing cavity; a batch cap screwing unit and an auxiliary cap removing unit; a cap body storage box; a urine test tube set is pushed in along an external tube set pushing-in groove, urine test tubes are clamped in batches through a test tube clamping unit, a second clamping air cylinder pushes forwards to enable a belt-driven cap screwing assembly to make close contact with caps and rotate the caps, the caps completely screwed away from the urine test tubes are subjected to auxiliary pulling away through an auxiliary cap removing unit, and the cap containing box contains the pulled-away caps. Aiming at the current situation of single urination test tube arrangement which is commonly used in clinic, under the condition that an original arrangement mode is kept, a single-row tube set batch uncapping automatic system is arranged, and the integrated action integration of test tube clamping, friction type batch cap screwing, cap body auxiliary pulling-away and cap body containing is achieved, so that the device is closer to the current clinical use habit, and the overall working efficiency of uncapping is improved.
Owner:TONGJI HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI TECH

Left atrial appendage occluder conveying sheathing canal shaping device

The utility model discloses a left atrial appendage occluder conveying sheathing canal shaping device which comprises heating plates which are oppositely arranged, a bent section shaping block and a straight section shaping block which are sequentially arranged between the plate faces of the heating plates in the shaping direction of a conveying sheathing canal, and shaping grooves are correspondingly formed in the bent section shaping block and the straight section shaping block. A shaping area of the conveying sheath tube is positioned through the shaping groove, an angle shaping block for shaping and fixing the torsion angle of the end of the conveying sheath tube relative to the straight section is arranged on the straight section shaping block, and the angle shaping block and the straight section shaping block are connected in a rotating fit mode and are rotationally positioned through an arranged angle limiting mechanism. According to the utility model, through the modular design, the shaping part for conveying the sheathing canal is separately and independently designed, a user can flexibly adjust the angle according to the requirements of different patients, and the complex operation of needing various sheathing canals is avoided, so that the left auricle anatomical structure of different patients can be adapted, and the requirements on various sheathing canals are reduced.
Owner:TAIZHOU INST OF BIOMEDICAL & MEDICAL DEVICES SOUTHEAST UNIV

Novel spinning granulator

The utility model relates to the technical field of granulators, and discloses a novel spinning granulator which comprises a base, the stand column is fixedly connected to the top of the base; the outer cylinder is arranged on the right side of the exterior of the stand column, and the sleeve is arranged in the outer cylinder; the pressure barrel is connected to the interior of the outer barrel in a sliding manner; the mounting block is fixedly connected to the top of the pressure barrel, the connecting rod is fixedly connected to the interior of the mounting block, the pressing rod is fixedly connected to the exterior of the connecting rod, and the rotating block is rotationally connected to the rear side of the exterior of the stand column; the bottom of the pressing rod is fixedly connected to the outer portion of the rotating block. Compared with large-scale automatic granulation equipment, the manual granulator disclosed by the utility model has the advantages that the structure is simple, the price is lower, and the purchase and maintenance cost is lower for small enterprises or laboratories.
Owner:SHAANXI GUZHONGCUN ECOLOGICAL AGRI CO LTD +1

Central tube group for retraining equipment and dumbbell using central tube group

The invention discloses a central tube set for retraining equipment and a dumbbell using the central tube set, the central tube set and a disc are axially locked through a self-locking block embedded in the surface of a shaft tube, the requirement for the disc is low, and a standard dumbbell disc can be used for assembling; meanwhile, the design of the self-locking block replaces a tailstock assembly structure and is not framed by a tailstock space any more, and discs of different sizes and weights can be assembled and flexibly expanded; the self-locking block is controlled by the locking swing arm mechanism to be axially locked and released, two swing arms of the locking swing arm mechanism can swing between a collinear dead point position and a parallel position under the driving of the unlocking sliding handle, a geometric locking scheme is provided, when one point of two swing arms swing to the collinear dead point position, the mechanism enters a self-stabilizing state, and the self-locking function is achieved. Driving force such as a spring is not needed to maintain stability, even if the self-locking block is extruded from outside to inside, the self-locking block cannot be driven inwards, and the anti-interference performance and the locking reliability are extremely good.
Owner:TAIZHOU CITY HUANGYAN DISTRICT ANKANG FITNESS EQUIP CO LTD

Multi-lumen intravenous injection tubing system

ActiveCN223682915UInfusion devicesMedical devicesIntravenous tubingMechanical engineering
A multi-lumen intravenous tubing system may include a multi-lumen tubing that may be coupled with a manifold, where the multi-lumen tubing includes a plurality of lumens extending within the tubing, and when the multi-lumen tubing is connected to an outlet of the manifold, the plurality of lumens are fluidly coupled with corresponding fluid flow paths of the manifold, and wherein the manifold includes one or more inlets and outlets, each inlet fluidly coupled to a respective fluid flow path that may be fluidly separated from other fluid flow paths of the manifold to allow a first fluid to be directed through the manifold and the multi-lumen tubing and a second fluid to be directed through the manifold and the multi-lumen tubing, the first fluid and the second fluid do not intersect with each other.
Owner:CAREFUSION 303 INC

Wellhead pressing oil pipe setting device

The invention relates to the technical field of oil production engineering, in particular to a well mouth pressing oil pipe setting device. The well mouth pressing oil pipe setting device comprises a radish head adjusting assembly, an upper bearing beam combination assembly, two large oil cylinder assemblies and a base assembly, the two large oil cylinder assemblies comprise the first large oil cylinder assembly and the second large oil cylinder assembly, and the two large oil cylinder assemblies are arranged on the two sides of the upper bearing beam combination assembly respectively. A wellhead is arranged at the lower end of the base assembly, and a casing head is arranged at the lower end of the wellhead. According to the well mouth pressing oil pipe setting device, the radish head adjusting assembly and the large oil cylinder assembly are connected together through the upper bearing beam combination assembly, the weight of a whole underground oil pipe column acts on the upper bearing beam combination assembly, the large oil cylinder assembly controls the upper bearing beam combination assembly to move, the base assembly tightly holds an oil pipe in the center of a well mouth, and the oil pipe in the center of the well mouth is adjusted. And the oil sleeve annulus can be sealed at any time, so that the aims of step-by-step setting and step-by-step sealing examination of the multi-stage packer are fulfilled.
Owner:DAQING OILFIELD CO LTD +1

Short-range communicating infusion tubing sets and methods of use

The present disclosure provides a medication administration system comprising: (A) one or more tubes having a first end and a second end opposite the first end, the one or more tubes including: (i) at least one first communication interface configured to transmit tube information corresponding to the one or more tubes; and (B) a pump including: (i) one or more ports configured to receive the first end of the one or more tubes; (ii) at least one second communication interface configured to receive the tube information from the at least one first communication interface when the first end of the one or more tubes are positioned in the one or more ports; (iii) at least one memory storage element including a plurality of medication administration regimens associated with the medication administration system; (iv) a user interface configured to receive an indication of a given medication administration regimen of the plurality of medication administration regimens for administration to a patient; (v) at least one processor; and (vi) data storage including program instructions stored thereon that when executed by the at least one processor, cause the pump to: (a) compare the tube information received from the one or more tubes to one or more tube parameters of the given medication administration regimen; (b) in response to a determination that the tube information received from the one or more tubes are not compatible with the one or more tube parameters of the given medication administration regimen, prevent transmission of one or more medicaments through the one or more tubes; and (c) in response to a determination that the tube information received from the one or more tubes are compatible with the one or more tube parameters of the given medication administration regimen, enable transmission of one or more medicaments through the one or more tubes.
Owner:SHL MEDICAL AG

Water inlet valve capable of reducing noise

The utility model provides a water inlet valve capable of reducing noise, which comprises a T-shaped main body, the main body is horizontally through, one end of the main body is provided with a water inlet, the other end of the main body is provided with an inner-layer pipe and an outer-layer pipe, the inner-layer pipe is communicated with the water inlet, the outer-layer pipe is provided with a vertically downward water outlet, and the port positions of the inner-layer pipe and the outer-layer pipe are provided with water stop components. The vertical part of the main body is sleeved with a buoy, the buoy is connected with a water stop assembly and arranged below the water outlet, a groove is formed in the upper end face of the buoy, a vertical pipeline is arranged in the groove, a water accumulation box is installed at the bottom end of the vertical part of the main body, a water falling opening is formed in the water accumulation box, a funnel pipe is arranged at the water falling opening, and a plurality of notches are formed between the funnel pipe and the water falling opening. Water flows out of the water outlet from the water inlet through the inner-layer pipe, the water stop assembly and the outer-layer pipe, and the water flowing out of the water outlet firstly falls into the groove, then flows to the water accumulation box from the vertical pipeline and then flows to the bottom of the water tank through the funnel pipe and the notch hole, so that the water is prevented from directly falling to the bottom of the water tank from the water outlet, and water flow noise generated by height difference is reduced.
Owner:XIAMEN UNITOP PLUMBING TECH CO LTD

Lubricating oil transfer conveying device

The utility model discloses a lubricating oil transfer conveying device which comprises a moving trolley. The conveying pump is arranged on the moving vehicle, and an oil inlet pipe and an oil outlet pipe are arranged on the front side and the rear side of the conveying pump correspondingly; the oil conveying pipe group comprises a first hose and a second hose, one end of the first hose is connected to the oil inlet pipe, and one end of the second hose is connected to the oil outlet pipe; an oil receiving cavity with an opening in the upper side is defined by the two oil receiving barrels, one oil receiving barrel is arranged on the lower side of the joint of the first hose and the oil inlet pipe, and the other oil receiving barrel is arranged on the lower side of the joint of the second hose and the oil outlet pipe. The lubricating oil transferring and conveying device is low in cost, high in flexibility degree and small in occupied space.
Owner:HUNAN LEMENG LUBRICATING GREASE TECHNOLOGY DEVELOPMENT CO LTD

Lightweight finned tube

The utility model relates to the technical field of heat exchanger manufacturing, in particular to a light-weight finned tube which comprises a base tube, the base tube is a titanium alloy tube, a fin structure assembly is fixedly arranged on the outer wall of the base tube, and the fin structure assembly is a three-dimensional aluminum alloy structural part with turbulent flow micro-channels. The fin structure assembly is used for improving the heat exchange efficiency of the finned tube through the turbulence micro-channel and is fixed to the outer wall of the base tube through vacuum brazing; the light-weight finned tube is provided with the fin structure assembly and the base tube, the fin structure assembly is fixed on the outer wall of the base tube through vacuum brazing, and the light-weight finned tube structure is light in weight, high in strength and efficient in heat exchange performance, and is particularly suitable for compact heat exchange equipment such as an air cooler and a condenser. The fin structure assembly is a 3D printing integrally-formed aluminum alloy structural part, a mold is liberated, and a complex fin shape can be manufactured.
Owner:XIAN FENGFEI NEW ENERGY TECHNOLOGY CO LTD

Fluid dynamics control system for multi-catheter stacks

The fluid engineering system includes a cassette having a saline subsystem, a contrast agent subsystem, and a vacuum subsystem. The fluid engineering system further includes a splitter and a first tubing set coupled to the cassette and the splitter, the first tubing set having a single saline channel, a single contrast agent channel, and a single vacuum channel. The fluid engineering system further includes two or more hub assemblies, at least one of which has a third saline channel, a third contrast agent channel, and a third vacuum channel, and is configured to provide saline, contrast agent, and vacuum to the lumen of a catheter coupled to at least one of the two or more hub assemblies. The fluid engineering system further includes a second tubing set having a plurality of tube groups, each tube group coupled to the splitter and to one of the two or more hub assemblies.
Owner:IMPERATIVE CARE INC

Movable hydraulic shear convenient to use

ActiveCN223875983UTool bitControl engineering
The utility model discloses a movable hydraulic shear convenient to use, which comprises a hydraulic shear main body which consists of a front body, a rack and an oil pipe, and further comprises an auxiliary limiting mechanism, a first limiting mechanism, a second limiting mechanism and a third limiting mechanism, and is characterized in that the auxiliary limiting mechanism comprises first telescopic rods arranged on the outer walls of the two sides of the rack and second telescopic rods arranged on the outer walls of the two sides of the rack; a fixing table is arranged at the end, away from the rack, of the first telescopic rod, a limiting rod is arranged on the fixing table, a movable tool bit is arranged on the rack, second telescopic rods are arranged on the outer walls of the two sides of the movable tool bit, and fixing rods are arranged at the ends, away from the movable tool bit, of the second telescopic rods. The fixing rod is used in cooperation with the limiting rod. According to the movable hydraulic shear convenient to use, a cable to be sheared can be fixed, it is ensured that the shear knife is perpendicular to the axis of the cable to be sheared, manual holding is not needed, and the movable hydraulic shear has remarkable effects on improving the labor productivity and reducing the labor intensity of workers.
Owner:FOSHAN XIANG YING SHENG METAL IND CO LTD

Centrifuge tube set for extracting nucleic acid of penaeus vannamei

The utility model belongs to the technical field of genetic material extraction appliance, concretely relates to special centrifugal tube suit of south American white prawn nucleic acid extraction, including the pipe body, the top threaded connection of pipe body has the pipe cap, the position department of pipe body outer wall is close to the fixed setting of mounting ring of top, the outer wall of pipe cap is below the sliding ring of mounting ring and is connected with the damping sliding, the position department of mounting ring bottom close to the outside edge is hinged with four upper articulated rods at equal intervals, the top of sliding ring is hinged with the lower articulated rod of corresponding position of upper articulated rod, and the corresponding upper articulated rod is hinged with the lower articulated rod between setting articulated assembly. The utility model places the pipe body on the test tube rack through the amplitude of the lower articulated rod and the upper articulated rod protruding from the outside of the pipe body to support the pipe body, so that the pipe body can be adapted to different diameter types of test tube racks, increase the types of centrifugal tubes that can be adapted to test tube racks, facilitate the use of centrifugal tubes, and at the same time, reduce the types of test tube racks that need to be purchased, and reduce the cost of purchasing test tube racks.
Owner:NANJING AGRICULTURAL UNIVERSITY

Auxiliary turn-around tray for flare tower

The utility model relates to the technical field of ships, in particular to an auxiliary turning tray for a flare tower. Comprising a fixed chassis, a guide hole is formed in the center of the fixed chassis, a guide column is arranged in the guide hole, a plurality of square tube sets are arranged at the upper end of the fixed chassis, mounting holes are formed in the square tube sets, a ball disc is embedded in the mounting holes, an upper rotating disc is arranged at the upper end of the ball disc, and the upper end of the guide column penetrates through the upper rotating disc and is located above the upper rotating disc. Compared with the prior art, the structure is simple, operation is easy, the flare tower is inserted into the guide column, rotation is achieved through the ball disc, the bearing capacity is good, and the stability and safety of the flare tower in the rotating process are guaranteed.
Owner:HUARUN DADONG DOCKYARD

Heat pump system with ejector and three vortex tubes

A heat pump system with an ejector and three vortex tubes comprises a compressor and an evaporator, an outlet of the compressor is communicated with an inlet of the evaporator through a first pipeline, the inlet of the compressor is communicated with an outlet of the evaporator through a second pipeline, and the heat pump system further comprises a vortex tube set. The first pipeline is further provided with an ejector, an inlet of the vortex tube set is communicated with the second pipeline through a third pipeline, a hot end outlet is communicated with an inlet of the compressor through a fourth pipeline, and a cold end outlet is connected with an injection flow inlet of the ejector through a fifth pipeline. And the second pipeline and the third pipeline are respectively provided with a first control valve and a second control valve. The performance of the heat pump system can be better improved through the temperature separation effect of the vortex tubes, and temperature control during refrigerating and heating is achieved by arranging the vortex tube set and a plurality of control valves; and the multi-cooling function is achieved, namely the evaporator provides low temperature, the cooler provides low temperature, and the working conditions and environments with various temperature requirements are met.
Owner:YANTAI UNIV

Ultrahigh assembly tank installation tool

The utility model provides a mounting tool for an ultrahigh assembled tank, which belongs to the field of tank assembly and comprises an oil tank, a booster oil pump, an oil supply pipe group, an oil return pipe group, a plurality of elevators and a plurality of range finders. One end of the booster oil pump is connected with the oil tank, one end of the oil supply pipe set is connected with the booster oil pump, the other end of the oil supply pipe set is connected with the multiple elevators, the multiple elevators are connected with one end of the oil return pipe set, and the other end of the oil return pipe set is connected with the oil tank. A range finder is arranged at the top of each elevator; the oil supply pipe group is used for extending the hydraulic cylinders of the plurality of elevators, and the oil return pipe group is used for shortening the hydraulic cylinders of the plurality of elevators. The problem that in the prior art, the splicing effect of an ultrahigh tank is poor is solved. The ultrahigh tank body assembling device has the technical effects that the tank body is accurately lifted to a specified position while being stably lifted in a horizontal state, so that the ultrahigh tank body assembling effect is guaranteed.
Owner:BEIJING YINGHERUI ENVIRONMENTAL ENG

Medical fluid generation system

PendingEP4674767A2Medical devicesPeritoneal dialysisKidney machinesHaemodialysis machine
A peritoneal dialysis fluid generation system including water purification equipment configured to provide purified water; a presterilized tubing set including a container for storing peritoneal dialysis fluid; at least one glucose or buffer concentrate; and a hemodialysis machine in fluid communication with the water purification equipment, the hemodialysis machine including at least one mixing pump for mixing the at least one glucose or buffer concentrate with the purified water to form peritoneal dialysis fluid, a dialysis fluid pump for delivering the peritoneal dialysis fluid to the container, and a control unit configured to control the at least one mixing pump to form the peritoneal dialysis fluid and the dialysis fluid pump to deliver the peritoneal dialysis fluid to the container.
Owner:VANTIVE HEALTH GMBH +1

Selective medicament delivery assembly with fluidic activation

The present disclosure provides a sub-assembly for a medicament delivery device, comprising: a housing, a closed chamber, and a tubing set transversally connected to the chamber. The tubing set is arranged to provide one of a first medicament flow and a second medicament flow, a first fluid pressure is effectuated in the chamber when the first medicament is provided and a second fluid pressure having a different value from the first fluid pressure is effectuated when the second medicament is provided, thereby a fluid pressure change is effectuate due to a change between the provision of the first medicament and the second medicament. The sub-assembly further includes a shuttle arranged in the chamber and connected to the tubing set. The shuttle is configured to move transversally between a first position and a second position within the chamber when the fluid pressure change within the chamber exceeds a predetermined level.
Owner:SHL MEDICAL AG

Novel steam process mode dryer

The utility model relates to the field of drum type dryers, in particular to a novel steam flow mode dryer which comprises a drum. A plurality of drying assemblies are arranged in the roller around the axis of the roller. The drying assembly comprises a steam distributing pipe, a collecting pipe and multiple inner pipes, the inner pipes are arranged in the radial direction of the roller, and the two ends of each inner pipe are connected with the steam distributing pipe and the collecting pipe correspondingly; the collecting structure is provided with a collecting channel connected with all the collecting pipes, and the collecting channel communicates with the rotary joint; the distribution structure is provided with a distribution channel connected with all the steam distribution pipes; one end of the air supply pipe is connected with the distribution channel, and the other end of the air supply pipe is communicated with the rotary joint; and the supporting structure is welded in the roller and is used for limiting the positions of all the inner pipes and the air supply pipes in the roller. The number of structures penetrating through the outer wall of the roller is reduced, and the hidden danger of steam leakage is effectively reduced.
Owner:QINGDAO JIANENG HAINUO POWER EQUIP CO LTD

Hinge oil pipe assembly assembling device and method

The invention discloses a hinge oil pipe assembly assembling device and method, and aims to solve the problems that when a hinge oil pipe assembly is assembled on an existing intermittent rotating workbench, an oil pipe telescopic rod through hole and a triangular piece riveting hole are misplaced under the action of vibration, inertia and centrifugal force generated by rotation and station transfer of a hydraulic oil pipe on the workbench, and the assembly quality is affected. And in addition, the technical problems that according to an existing solution, the precision and the efficiency cannot be considered at the same time are solved. The device comprises an intermittent rotating workbench, a multi-station mechanism, a control module, a sensing module and the like, according to the method, through the collaborative process of vibration monitoring, deviation judgment, active compensation and rivet penetration riveting, the vibration state is monitored in real time, hole position deviation is accurately recognized, compensation is completed, and rivet penetration riveting is conducted after it is guaranteed that the two holes are coaxial. High-precision and high-efficiency assembly under the vibration environment is achieved, the production yield is effectively increased, the cost is reduced, and the device is suitable for large-scale production, reasonable in structure, convenient and fast to operate and high in automation degree.
Owner:JIEYANG JUZHIMI TECH CO LTD

Method for manufacturing a patient specific cell population using a multifunctional self-contained apparatus and tubing set

The invention relates to a system, comprising: a) a sample processing unit, comprising an input port and an output port coupled to a rotating container having at least one sample chamber, the sample processing unit configured provide a first processing step to a sample or to rotate the container so as to apply a centrifugal force to a sample deposited in the chamber and separate at least a first component and a second component of the deposited sample; and b) a sample separation unit coupled to the output port of the sample processing unit, the cell separation unit comprising separation column holder, a pump and a plurality of valves configured to at least partially control fluid flow through a fluid circuitry and a separation column positioned in the holder, the separation column configured to separate labeled and unlabeled components of sample flowed through the column.
Owner:MILTENYI BIOTEC BV & CO KG

Medical fluid generation system

ActiveUS12642899B2Pharmaceutical containersMedical devicesKidney machinesHaemodialysis machine
A medical fluid generation system is disclosed. In an example, a peritoneal dialysis fluid generation system includes water purification equipment configured to provide purified water; a presterilized tubing set including a container for storing peritoneal dialysis fluid; at least one glucose or buffer concentrate; and a hemodialysis machine in fluid communication with the water purification equipment. The hemodialysis machine includes at least one mixing pump for mixing the at least one glucose or buffer concentrate with the purified water to form peritoneal dialysis fluid, a dialysis fluid pump for delivering the peritoneal dialysis fluid to the container, and a control unit configured to control the at least one mixing pump to form the peritoneal dialysis fluid and the dialysis fluid pump to deliver the peritoneal dialysis fluid to the container.
Owner:VANTIVE HEALTH GMBH

Expansion tube and expansion tube set

The utility model discloses an expansion pipe and expansion pipe group, the expansion pipe of disclosure includes pipe body, first sealing ring, second sealing ring and third sealing ring, the pipe body is integral type structure and includes first connecting end, second connecting end and the pipe main body between first connecting end with second connecting end, first connecting end is equipped with outer thread, and second connecting end is equipped with internal thread, at least one of the outer wall of first connecting end and the inner wall of second connecting end is equipped with first sealing ring, the part of pipe main body adjacent first connecting end is equipped with second sealing ring, or the part of pipe main body adjacent second connecting end or second connecting end is equipped with third sealing ring, the above -mentioned scheme can solve the docking of expansion pipe in background art and easily exist the problem of poor sealing performance after expansion.
Owner:CHINA NAT PETROLEUM CORP +1

Casing hanger PR2 test tool

The utility model relates to the technical field of oil pipe hanger testing, in particular to a casing hanger PR2 testing tool which comprises a testing derrick, the testing derrick is in a well shape and used for installing an oil pipe hanger, and when the oil pipe hanger is installed on the testing derrick, a plug is located in an upper pipeline of the oil pipe hanger. The oil pipe assembly is located in a lower pipeline of the oil pipe hanger. The oil pipe hanger and the oil pipe assembly form a sealed pipeline space through the plug; the oil pipe assembly is fixedly connected with the displacement end of the displacement assembly. The stress direction of the oil pipe assembly generated through displacement of the displacement assembly is in the pipeline length direction of the oil pipe hanger. A pressure test opening is formed in the plug, the pressure test opening is used for communicating an external liquid pump with a pipeline space of the tubing hanger, and the external liquid pump introduces liquid into the pipeline space through the pressure test opening. According to the utility model, the technical problems of hanger load cycle test, hanger internal pressure test and hanger temperature and pressure cycle test of the casing hanger according to the PR2 test standard are solved.
Owner:CHENGDU DAOSEN DRILLING EQUIPMENT CO LTD +2

Systems and methods for producing t cells

A method of producing T cells using a cell expansion system includes expanding T cells using a small bioreactor of the cell expansion system, the small bioreactor having a surface area of about 2000 cm2 and an in-capillary volume of about 58 ml. The method further includes flowing the T cells into the mini bioreactor of the cell expansion system. The rate at which the T cells flow into the miniature bioreactor may be greater than or equal to about 0.007 [mu] L / min / fiber to less than or equal to about 0.0281 [mu] L / min / fiber. The cell expansion system may also include a set of conduits in fluid communication with the small bioreactor, and the volume ratio of the set of conduits to the bioreactor may be about 2.96.
Owner:TERUMO BCT INC

A herbicide dispensing machine

ActiveCN224393030UNot easy to temperatureNot easy to viscosityLiquid materialMechanical engineeringPhysics
The utility model provides a herbicide partial shipment machine relates to herbicide processing technical field, including mounting bracket, still including multiple groups storage medicine tube, storage medicine tube sets up on mounting bracket, storage medicine tube includes the cylinder, and the cylinder is as the main body container of storage liquid medicine, provides enough space to accommodate the liquid medicine of partial shipment, guarantees the sealing property and security in the liquid medicine storage process. This herbicide partial shipment machine can pull piston piece in the shell and move through starting electric push rod, and the movement of piston piece can produce negative pressure in the shell, and then make the sealing plate of control component open in communication with the connecting pipe, and the medicament will enter the inside of the shell, then reverse starting electric push rod, and electric push rod will push piston piece, the sealing plate of control component in communication with the partial shipment pipe is opened under pressure at this moment, and then the medicament is discharged, realizes flow control, the device can reduce the cost of flow control, and is not easy to be affected by the temperature and viscosity of medicament.
Owner:ZHEJIANG ZHONGSHAN CHEMICAL GROUP CO LTD