281 results about "Tubing set" patented technology

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.

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.

Pump and pressure measurement arrangement for a blood treatment device, comprising a pump, in particular a roller pump for pumping a liquid, a pump bed which is configured to accommodate a pump tubing, a first pressure measuring unit arranged to measure a pressure of the liquid. Further, Pump and pressure measurement arrangement provides an accommodation space for at least partially positioning a tubing connect connected to the pump tubing, wherein the tubing connector further comprises a pressure measuring chamber adapted to measure the pressure with the pressure measuring unit. Further, a blood treatment device is having the pump and pressure measurement arrangement and a tubing connector and a tubing set is fitting to the pump and pressure measurement arrangement.

Pump and pressure measurement arrangement for a blood treatment device, comprising a pump, in particular a roller pump for pumping a liquid, a pump bed which is configured to accommodate a pump tubing, a first pressure measuring unit arranged to measure a pressure of the liquid. Further, Pump and pressure measurement arrangement provides an accommodation space for at least partially positioning a tubing connect connected to the pump tubing, wherein the tubing connector further comprises a pressure measuring chamber adapted to measure the pressure with the pressure measuring unit. Further, a blood treatment device is having the pump and pressure measurement arrangement and a tubing connector and a tubing set is fitting to the pump and pressure measurement arrangement.

Apparatus, systems and methods are disclosed, which are configured to deliver a therapeutic medication to a patient. The apparatus, system and methods comprise a reservoir, a patient interface, a tubing set, and a fluid pump, and the components are configured to provide a calibrated flow rate based upon specific characteristics of the therapeutic medications passing through and internal lumen of the tubing set.

The invention provides a laparoscopic surgery fetching bag with a fascia expansion function, and relates to the technical field of laparoscopic surgery instruments.The laparoscopic surgery fetching bag comprises a main pipe arranged on the outer side of the fetching bag in a sleeving mode, at least two guide shells, a connecting rod and a traction rod, and the at least two guide shells are located on the two opposite sides of the main pipe respectively; the lower end of the main pipe is rotationally connected with the guide shell, the interior of the guide shell is rotationally connected with one end of the connecting rod, and the other end of the connecting rod is connected with the traction rod. The traction rod is installed on the outer side of the main pipe and slides in the central axis direction of the main pipe. When the traction rod slides towards the side away from the guide shell along the main pipe, the connecting rod drives the guide shell to unfold, the expansion range of a muscle layer incision can be accurately controlled, the problem that a traditional fetching bag is difficult to penetrate through the incision due to expansion is solved, meanwhile, when the fetching bag is closed, the storage cavity formed by the guide shell can tightly wrap the fetching bag body, and the fetching bag is convenient to use. And the guide shell can be directly taken out, so that the friction damage of the fetching bag to the muscle layer is reduced.

The utility model relates to a proportional adjustment burner which comprises a burner body and a fire spraying pipe arranged on one side of the burner body, a connecting pipe communicated with the interior of the burner body is installed on one side of the burner body, a gas pipe is installed on one side of the connecting pipe, a sealing plate is installed in the connecting pipe, and a gas outlet pipe is installed on the other side of the connecting pipe. A plurality of annularly-formed strip-shaped openings are formed in the sealing plate, a plurality of adjusting mechanisms used in cooperation with the strip-shaped openings are installed in the connecting pipe so as to adjust the sizes of the strip-shaped openings, and each adjusting mechanism comprises a baffle located in the connecting pipe and a working box installed outside the connecting pipe; in the using process of the burner, the flow of gas can be adjusted by changing the size of the air vent of the strip-shaped opening, and then the proportion of the gas can be adjusted, so that the size of flame can be effectively controlled in the using process, and the burner is more convenient for people to use.

The utility model belongs to the technical field of pipeline detection, and particularly relates to a pressure pipeline pressure bearing detection device, which comprises a fixed sealing assembly and a movable sealing assembly, the fixed sealing assembly and the movable sealing assembly are oppositely arranged and respectively comprise a bottom plate, and a V-shaped carrier roller and a fixed frame are arranged on each bottom plate. A lifting oil cylinder installed on the fixed frame is connected with a sliding frame in a supporting mode, the sliding frame is arranged on the fixed frame in a sliding and sleeving mode, a multi-specification sealing plate and a jacking oil cylinder are installed on the sliding frame in the fixed sealing assembly and the sliding frame in the movable sealing assembly respectively, the multi-specification sealing plate is installed on the jacking oil cylinder, and the multi-specification sealing plate comprises a bottom plate. A plurality of round pipes with diameter specifications are coaxially welded on the bottom plate, conical sealing gaskets are arranged on the outer sides of the round pipes, and the bottom plate is connected with a water outlet of a pressure pump through a water injection pipe. Conical sealing gaskets supported by a plurality of circular pipes arranged in the multi-specification sealing plate can quickly, conveniently and effectively seal pipelines with different diameters and thickness specifications, so that the efficiency and the safety of pressure detection are effectively improved.

The utility model relates to the technical field of gear couplings, in particular to a lubricating structure of a gear coupling, which comprises a box body, a first mechanism, a second mechanism and an oil inlet pipe assembly, and the first mechanism and the second mechanism are oppositely arranged; the lubricating oil groove is arranged around the outer rings of the first support bearing and the second support bearing to form an oil cavity; the gear sleeve connecting oil hole is communicated with the oil inlet hole, the first oil supply hole and the second oil supply hole are communicated with the gear sleeve connecting oil hole in parallel, a first spraying point is arranged at the end, away from the gear sleeve connecting oil hole, of the first oil supply hole, and a second spraying point is arranged at the end, away from the gear sleeve connecting oil hole, of the second oil supply hole; the oil inlet pipe assembly is installed on the box body, communicates with the oil inlet hole and is externally connected with a lubricating pipeline of the gearbox. According to the invention, the problems of abrasion and heating between the inner teeth and the outer teeth are solved, and the lubricating and cooling effects are realized.

The moistureproof MPP cable protection pipe comprises a pipe body and a moistureproof mechanism. The pipe body comprises an outer pipe, an inner pipe arranged in the outer pipe, and a connecting rib arranged between the outer pipe and the inner pipe; a vent hole is formed in the outer pipe; a ventilation groove is formed in the inner pipe; the damp-proof mechanism comprises an impeller rotationally installed on the outer pipe, a strong magnetic sliding block installed on the outer pipe in a sliding mode, a linkage assembly for linkage of the impeller and the strong magnetic sliding block, an arc-shaped opening and closing plate which is installed on a ventilation opening of the outer pipe in a sliding and elastic mode and is intermittently poked by the strong magnetic sliding block, a circular ring frame installed on the inner pipe in a sliding mode, and a gauze box arranged on the circular ring frame. The ventilation frame is fixedly installed on the end side of the outer pipe, and the limiting rod is arranged between the outer pipe and the inner pipe. A moisture-proof material is arranged in the gauze box; the impeller can be used for driving the circular ring frame to move, the movement of the circular ring frame can make the moisture-proof material in the gauze box alternately make contact with moisture in the pipe body and the outside, and therefore the moisture-proof material alternately conducts moisture-proof work and regeneration.

The invention provides a dry-type power transformer, and relates to the field of power transformers, a main body of a cover body B is of a U-shaped structure with a one-way opening at the front end, an insertion block is fixedly connected to the front end face of the cover body B, and the insertion block is of a structure protruding out of the cover body B. The problem that an effective quick release structure is lacked in the prior art is solved, so that after an internal enameled wire is wrapped by an outer shell, the enameled wire cannot be detached from the outer shell. The problems that when maintenance is needed, shells need to be detached one by one to be used, an effective safe connection structure is lacked when the shells are detached for maintenance, and an operator is easily injured by high voltage generated by the transformer due to the fact that the shells are not thoroughly disconnected are solved. Hydraulic oil located in the sleeve is supplied into a sealing pipe arranged on the outer side of the inserting block through a connecting pipe to achieve rapid and tight connection operation of the cover body A and the cover body B, so that after connection is completed, efficient shielding protection operation can be achieved; according to the design, through linkage of the cover body A and the cover body B, the purpose of wrapping the voltage transformation assembly can be achieved.

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.

A detachable and reusable hose connector and a fire hose, the hose connector comprises a connector body, a control button movably arranged on the connector body, a slidably arranged locking ring, a traction mechanism arranged between the control button and the locking ring and controlling the movement of the locking ring, the locking ring is provided with a convex ring, the connector body comprises an outer tube sleeved on the outside of the hose, an inner tube for being inserted into the inside of the hose, the outer end of the inner tube uniformly extends outwardly along the circumferential direction with a plurality of elastic positioning teeth, an inner extrusion sealing ring is sleeved on the outer side wall of the elastic positioning teeth, the control button is adjusted so that the locking ring has a locking position and an unlocking position, when the locking ring is in the locking position, the convex ring abuts against the inner side wall of the elastic positioning teeth, when the locking ring is in the unlocking position, the convex ring is separated from the inner side wall of the elastic positioning teeth, two hose bodies can be quickly connected or separated by rotating the control button, the setting of the hose connector can quickly change the hose length, it is suitable for a variety of fire fighting occasions, and the hose connector is reusable.

A blood collection system configured for connection to a tube set providing vascular access to a patient, the system including an access device coupled to the tube set, wherein the access device includes a blood collection tube holder and a non-patient needle disposed at least partially within the blood collection tube holder. The system further includes a syringe, wherein the syringe includes a plunger rod, a stopper, and a distal interface, and a cap assembly couplable to the distal interface of the syringe. The cap assembly includes a cap body and a bidirectional valve, and wherein the bidirectional valve is in fluid communication with a venting chamber formed within the cap body.

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.

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.

An infusion solution tube set according to exemplary embodiments of the present invention may comprise: a flexible infusion solution tube having open two end portions; a connector coupled to one end portion of the infusion solution tube; and a coil spring coupled to the one end portion of the infusion solution tube.

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.

The utility model discloses an underwater concrete pouring tool, and relates to the technical field of concrete pouring. The device comprises a pouring end head, the pouring end comprises a mounting plate, a limiting pipe arranged on the edge of the mounting plate, pouring pipes arranged in the limiting pipe in a penetrating mode, a conveying pipe connected with the multiple pouring pipes, a motor fixed to the middle position of the upper side face of the mounting plate, a supporting rod connected with an output shaft of the motor, a positioning ring fixed to the bottom of the supporting rod and stirring rods movably arranged on the circumferential side of the positioning ring. The support arm is movably connected to the middle position of the stirring rod, and the lantern ring is movably connected with the upper end part of the support arm. The angle of the stirring rod is adjusted under moving driving of the supporting arm so as to meet the concrete stirring requirements in different spaces, meanwhile, the structure of the stirring rod can be conveniently unfolded and stored, torque of the output shaft of the motor is transmitted to the stirring rod through the supporting rod, concrete poured in a foundation pile is stirred evenly, bubble doping is reduced, and the stirring effect is improved. Meanwhile, large particles in the concrete are relatively uniformly distributed.

The present invention discloses a cervical and lumbar meridian spray treatment instrument, comprising a bracket and a Chinese medicine liquid tank, the bracket is provided with a support device adapted to the physiological curvature of the human spine and a multi-channel pipe group arranged along the width direction of the support device, the support device comprises a support body and a cervical vertebra support assembly and a lumbar vertebra support assembly arranged on the support body, the support body, the cervical vertebra support assembly and the lumbar vertebra support assembly are all provided with a plurality of evenly distributed through holes, the through holes are connected to the outlet of the pipe group, and the pipe group is connected to the Chinese medicine liquid tank through a connecting piece. The cervical and lumbar meridian spray treatment instrument of the present invention adopts a spray method from bottom to top, and the spray treatment can be performed while lying down, which is highly comfortable.

A device, system, and method for drainage of fluid. The system may include a pump with a motor, an interface for controlling operation of the motor, and one more roller for occluding or partially occluding tubing wherein the motor is operatively connected to a one or more rollers. The system may further include tubing set for draining the fluid from a catheter with a pumping portion configured to be occluded or partially occluded by the one or more rollers to pump fluid through the tubing from a tubing inlet portion to a tubing outlet portion, the tubing set comprising tubing guide, wherein the tubing guide is configured to be removably connected to the pump and contain the pumping portion of the tubing set.

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.

The present disclosure provides systems, devices, and methods for electro-mechanoporation of cells to facilitate delivery of a payload into the cells. The electro-mechanoporation systems described herein can simplify cell processing systems by providing a tubing set that is disposable, compatible with existing pumps and other cell processing equipment, and operable at lower pressures constituted by these existing pump systems. The tubing set can mix a cell suspension received from upstream cell processing equipment with a payload optionally contained within the tubing set, perturb the membranes of the cells by passing the cells through a cell perturbation filter of the tubing set, and can drive negatively charged payloads (e.g., nucleic acids) into the cell by applying an electric field to the perturbed cells.

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.

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.

A microbe counting kit or system is provided that includes a plurality of cartridges having an upper chamber and a lower chamber separated by a membrane. The kit also includes a media reservoir fluidly coupled to the cartridge through the tube stack, and a dual pressure valve mechanically coupled to the tube stack and arranged to vary the pressure in the cartridge to cause fluid from the fluid reservoir to pass through or interact with the membrane.

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.

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.

A tube set (10) attachable to and detachable from a tube pump (1) that feeds a liquid, the tube set (10) comprising a pump tube (21) that is curvedly disposed in a housing (11) along an inner peripheral face of the housing (11), the pump tube (21) being squeezed by a rotor (12) disposed in the housing (11) to pump a liquid in the pump tube (21); and a holder (22) to which both ends of the pump tube (21) are connected, and which is fixed to the housing (11) so as to attach the pump (21) tube to the housing (11), wherein the holder (22) has a flexible flat plate and includes a first engagement portion (36) and a second engagement portion (37) that are located away from each other in a first direction, the first engagement portion (26) and the second engagement portion (27) being configured to be fitted into a first engagement groove (45) and a second engagement groove (46) formed in the housing (11), respectively, when the holder (22) is pushed into the housing (11) in a state of being bent in a thickness direction, the holder (22) being elastically restored to be attached to the housing (11) when the first engagement portion (36) and the second engagement portion (37) are fitted into the first engagement groove (45) and the second engagement groove (46), respectively, wherein the distal end side of the second engagement portion (37) is formed so as to be substantially circular when viewed from the side, and is configured to be elastically deformable.