Abstract: A manifold for a medical waste collection apparatus includes a fluid path connection portion and a storage connection portion. The storage connection portion includes a mounting connector in communication with the fluid path connection portion and coupled with the mounting base of the waste collection apparatus, and a docking valve arranged inside a connector cavity defined by inner walls of the connector. The docking valve is in an open state when the mounting connector is coupled with the mounting base, and a passage is formed between the storage connection portion and a waste collection container in the waste collection apparatus. The docking valve is in a closed state to close the connector cavity when the mounting connector is decoupled. The connection port between the manifold and the apparatus does not require manual opening or closing, thereby preventing waste from contaminating the environment, equipment and personnel, and enhancing convenience of use.

Abstract: Systems and methods for transferring electric power to an aircraft during flight. Power transfer to the receiver aircraft is effected by means of a donor aircraft using a wired electrical connection. The method for transferring electric power includes: establishing an electrical connection between a receiver aircraft and a donor aircraft during flight; and transferring electric power from the donor aircraft to the receiver aircraft via the electrical connection. In one embodiment, electric power is transferred by way of a power cable deployed by the donor aircraft, a drogue attached to a trailing end of the power cable, and a probe mounted to the fuselage of the receiver aircraft, The probe and drogue are configured to form an electrical connection when fully engaged.

Abstract: An air chuck for facilitating the connection of a pneumatic hose with a threaded stem of a tire valve includes a housing with an air passage. The housing includes an air inlet port connectable to the pneumatic hose, and an air outlet passage to receive the threaded stem of the tire valve. A clamping member is mounted externally about the outlet passage and includes a hollow tubular member, a front end portion of which terminates in a plurality of separate, radially deflectable fingers, a free end portion of each finger extending towards the discharge end of the outlet passage. The free end portions of each finger define an aperture for receiving the threaded stem of the tire valve. The size of the aperture is variable by the movement of a sleeve, slidable over the body of the housing and the clamping member.

Abstract: To provide a safety joint that can prevent an O-ring from falling off due to an ultra-high pressure hydrogen gas flowing through a flow passage in the safety joint at high speed and from being damaged by a foreign matter coming into contact with the O-ring if the foreign matter is mixed in the hydrogen gas.

Abstract: A drink making device including a hood, a base configured to support at least four bottles, a tower connecting the base and the hood; and a dispenser for dispensing a beverage. The hood includes at least four attachment connectors. Liquid from the bottles is selectively pumped through the connectors through the dispenser to dispense a beverage.

Abstract: A coupling member for a blind mate fluid coupling includes a housing and a fluid connector fixed in position relative to the housing for connecting to a fluid conduit of the system. A valve body movable relative to the housing includes a fluid passage that is fluidly connected to the connector. A carrier is at least partially disposed in the housing and is radially movable relative to the housing. The carrier is configured to cooperate with the valve body to facilitate alignment of the valve body when coupling to another coupling member. The carrier may form a portion of the fluid passage between the connector and valve body, and includes a sealing arrangement that permits radial and/or angular misalignment compensation of the design. Varying diameters of the insertion part or receiving part of the coupling member may be provided for further enhancing misalignment compensation of the design.

Abstract: A female coupling unit for a hydraulic coupling device, comprises a female coupling body comprising a hollow core, wherein a rear sealing ring is provided along an inner circumferential surface of a sealing sleeve device and adapted to bear against and slide along a front end portion of a female poppet device during movement of the sealing sleeve device, wherein the rear sealing ring is configured to prevent flow of hydraulic fluid between the rear sealing ring and the female poppet device from the rear end of the female coupling body towards the front end of the female coupling body and enable flow of hydraulic fluid between the rear sealing ring and the female poppet device from the front end of the female coupling body towards the rear end of the female coupling body.

Abstract: The connection assembly (100) which includes a flange (140) has two internal orifices (150) crossing through and centered on orifice axes (A150) parallel to each other, a front surface (142) and a rear surface (144) parallel to a transverse plane (P140) transverse to the orifice axes (A150), two fluidic coupling elements (170), that have a male body (172) received in a corresponding internal orifice, and a cover (120), configured for being attached to a support (110) in a mounted configuration of the connection assembly. The flange can move with respect to the cover according to a movement supported by the transverse plane, whereas for each male body, a second gasket (188) is interposed radially between the male body and an internal radial surface (S162) of the corresponding internal orifice, each male body being mounted in the corresponding internal orifice and can be tilted with respect to the corresponding orifice axis.

Abstract: A connection arrangement includes a first and a second assembly, and an elastically deformable locking element disposed on the first assembly. The locking element is configured to releasably interlock the two assemblies and, during mounting of the two assemblies, to deform into a mounting condition and, after completion of the mounting, to form an undercut which counteracts detachment of the two assemblies. The first assembly has a stop which is movable between an operative position, which assists in maintaining the undercut of the locking element and in which the locking element bears against the stop and/or in which the locking element is deformable against the stop, and a detachment position, in which the stop, in relation to the operative position, is spaced further apart from the locking element and in which the locking element is deformable into a detachment condition for detachment of the two assemblies.

Abstract: A liquid feeder switches a flow path of a liquid having flowed in from an inflow port to one of a flow path communicating with a first base communication port and a bypass outflow path. When a pump is attached to a base, the bypass outflow path is closed to allow the liquid having flowed in from the inflow port to flow to the pump. When the pump is removed from the base, the bypass outflow path is opened to allow the liquid having flowed in from the inflow port to flow from the bypass outflow path to the outflow port. The liquid feeder is able to prevent liquid leakage when a pump of a liquid feeder is replaced or repaired.

Abstract: A connector has at least one engagement ball that is movable between an engagement position and a disengagement position. A movement of an engagement ball operating part of the connector relative to an inner housing of the connector can force the at least one engagement ball from the engagement position into the disengagement position. The at least one engagement ball is biased in the engagement position by an elastic element via the engagement ball operating part. The connector further comprises an outer housing of the connector with a catch that when the outer housing is operated engages with a counter catch of the engagement ball operating part to move the engagement ball operating part, so that the engagement ball operating part forces the at least one engagement ball from the engagement position into the disengagement position.

Abstract: To provide a safety joint that can immediately shut off a hydrogen gas flow path at the initial stage when a plug (nozzle side member) comes out of a socket (fueling apparatus side member) to prevent release of outgas.

Abstract: Disclosed is a liquefied hydrogen filling apparatus configured such that connection between liquefied hydrogen injection lines is performed stepwise, whereby there is no concern of leakage of liquefied hydrogen the moment the liquefied hydrogen injection lines are connected to each other, and therefore it is possible to guarantee safety and to prevent loss of fuel. In addition, the state of connection between the liquefied hydrogen injection lines is securely maintained, whereby there is no concern of separation due to internal pressure at the time of filling or other external force, and therefore it is possible to perform safe filling.

Abstract: This document describes devices and methods for reducing liquid spillage, such as fluid coupling devices that include one or more apertures that reduce spillage when the fluid coupling devices are disconnected. In some embodiments, the one or more apertures are designed with features to increase a level of acceleration that liquid within an internal volume of the fluid coupling devices would need to be exposed to in order to spill from the internal volume via the one or more apertures.

Abstract: The present invention is directed to a self-sealing breakaway valve having a poppet-style design. The breakaway valve may be made from two body portions coupled together by one or more frangible fasteners in order to form a flow path through the breakaway valve. Each body portion may include a valve mechanism responsive to separation of the two body portions from each other to cause closure of the flow path in the respective body portion. The valve mechanisms may be releasably coupled together by a coupling key configured to restrict movement of each valve mechanism, so that the flow path within the breakaway valve remains open. Upon separation of the two body portions from each other, the coupling key may be released from the valve mechanisms allowing for closure of the flow path by the valve mechanisms thereby preventing fluid leakage from the breakaway valve.

Abstract: A breakaway assembly including a first connector and a second connector releasably coupleable to the first connector. The assembly is movable between a first configuration in which the first and second connectors are releasably coupled and together define a fluid path through which fluid is flowable, wherein the fluid path includes an at least partially radially extending portion, and a second configuration in which the first and second connectors are not coupled together. The assembly is configured to move from the first configuration to the second configuration when a predetermined separation force is applied to the assembly.

Abstract: A breakaway coupling for connecting two fluid lines, comprising a first coupling part (3) which can be connected to the first fluid line and a second coupling part (4) which can be connected to the second fluid line. The coupling parts (3, 4) can be disconnected from one another by way of a defined disconnecting force, wherein at least one of the coupling parts (3, 4) has an outflow prevention valve (20) with a valve seat (21) and with a sealing body (14) which is configured for interaction with the valve seat (21). The outflow prevention valve (20) has a hold-open element (16) which is configured to enable a passage of the fluid in the joined-together state of the coupling parts (3, 4). The outflow prevention valve (20) is configured to prevent an outflow of the fluid from at least one of the fluid lines in the disconnected state of the coupling parts (3, 4).

Abstract: Systems and methods for extracting solute from a source material in multiple canister systems are shown and described.

Abstract: A termination block of an HVAC unit comprises an elongated body that is coupled to the frame of the HVAC unit. The elongated body securely retains a refrigerant pressure gauge port therein and mounts a filter drier thereto such that copper tubing to and/or from the refrigerant filter drier and the refrigerant pressure gauge port is held in position to assist with brazing the copper tubing to other copper tubing and/or components of the HVAC unit.

Abstract: A method for selectively coupling or uncoupling a coupling with a release, arranged between the supply conduit and a cylinder, on the basis of pressure in a supply conduit. The method includes providing an operating pressure prevailing in the supply conduit in order to provide hydraulic liquid to the cylinder on the basis thereof and providing an uncoupling pressure prevailing in the supply conduit for the purpose of activating shut-off valves in the supply conduit and on the cylinder and activating a release which uncouples the coupling. A coupling for respectively coupling and uncoupling a supply conduit which is connected to the coupling to/from a cylinder, as well as to an assembly including a pump, a cylinder, a supply conduit between the pump and the cylinder, and such a coupling.

Abstract: A fluid conduit defines a fluid passage from a well annulus to a venting system. A first pressure safety valve is positioned within the fluid passage. The first pressure safety valve is configured to open at a first set pressure. A second pressure safety valve is fluidically connected in series with the first pressure safety valve. The second pressure safety valve is configured to open at a second set pressure.

Abstract: A pressure vessel system for a motor vehicle has at least one pressure vessel, to which an extraction line is connected. The extraction line has a connection point, to which a connection line leading to a consumer is connected. The connection point of the extraction line includes a first coupling part of a quick coupling, to which a second coupling part of the quick coupling, arranged on the connection line, is connected. The first coupling part has a non-return valve, which closes the extraction line when the second coupling part is decoupled.

Abstract: A liquid cartridge includes: a cartridge body; a liquid supply portion; a sealing member having a through-hole; first and second valves; and first and second urging members. The liquid supply portion defines therein a liquid passage extending in a frontward direction and having an opening open frontward. The sealing member is provided on a periphery of the opening of the liquid supply portion, and has first and second surfaces those face rearward. The first and second valves are disposed in the liquid passage so as to be movable in the frontward direction and a rearward direction. The first valve is pressed by the first urging member to abut the first surface and interrupts communication between the through-hole and the liquid passage. The second valve is urged by the second urging member to abut the second surface and interrupts communication between the through-hole and an outside of the liquid supply portion.

Abstract: A carbonation machine may include a carbonation head, a holder that is configured to hold a gas canister, the holder comprising a connector with a socket configured to enable linear insertion of a valve of the canister into the socket, the socket including a seal with at least one lateral opening to enable fluidic flow between one or more laterally oriented ports of the valve and a conduit of the holder while preventing leakage of gas from the fluidic flow, and a holding mechanism configured to hold a lateral projection from the canister after insertion of the valve into the socket such that the valve remains in the socket, and an activation mechanism configured to operate the valve to release the gas from the canister when inserted into the socket so as to enable the gas to flow via the conduit to the carbonation head.

Abstract: A receptacle for conveying fluid is disclosed. An example receptacle includes a main body defining an inlet and an outlet, a spring retainer disposed in the main body, a valve seat disposed in the main body, and a poppet configured to slide between a closed position and an open position. The poppet is slidably engaged with the spring retainer between the closed position and the open position and is engaged with the valve seat in the closed position. The example receptacle also includes a spring engaged with the spring retainer and the poppet to bias the poppet to engage the valve seat in the closed position. The spring retainer, the valve seat, the poppet, and the spring are removable from the main body via the inlet without disassembling the main body.

Abstract: A connector assembly includes a male connector and a female connector. The male connector comprises a male connector housing, a male connector valve core, and a male connector push rod. The female connector comprises a female connector housing, a female connector valve core, and a female connector push rod. The male connector valve core has a closed position, the female connector valve core has a closed position, and the male connector is capable of being at least partially inserted into the female connector. When the male connector is inserted to a proper place in the female connector, the male connector push rod pushes the female connector valve core away from the closed position, and the female connector push rod pushes the male connector valve core away from the closed position, so that the male connector fluidly communicates with the female connector.

Abstract: Disclosed is a variable-geometry sealed coupling of the type of that connecting together two elements each arranged with a passage hole, the sealed coupling including two hollow bodies preformed to form a pivot connection, with the axis of this pivot connection making it possible to switch the axes of the passage holes from a straight position to a bent position, remarkable in that at least one of the bodies is preformed in such a way that the axis of the passage hole of the element with which it cooperates is offset with respect to the axis of the pivot connection, and is therefore not secant nor is it confounded with the axis of the pivot connection that it forms with the other body in such a way that the rotation of the bodies together is facilitated due to the out-of-roundness of the axes.

Abstract: A quick disconnect coupling can include a first part and a second part. The first part can define a primary fluid passageway and a secondary fluid passageway and can include a first valve movable between open and closed positions to control flow through the first part secondary fluid passageway. The second part can define a second part defining a primary fluid passageway and a secondary fluid passageway and can include a second valve movable between open and closed positions to control flow through the second part secondary fluid passageway. In one aspect, the second part is removably connectable to the first part such that, when connected the first and second part primary passageways are placed in fluid communication with each other and the first and second valves are operable between the open and closed positions to selectively place the secondary fluid passageways of the first and second parts in fluid communication with each other.

Abstract: Connector assemblies including a first subassembly having a recessed portion and a pair of locator tracks and a second subassembly having a pair of locator projections, vacuum assemblies including these connector assemblies, and methods of using the same are provided herein.

Abstract: Connector assemblies including a first subassembly having a recessed portion and a pair of locator tracks and a second subassembly having a pair of locator projections, vacuum assemblies including these connector assemblies, and methods of using the same are provided herein.

Abstract: A quick disconnect coupling can include a first part and a second part. The first part can define a primary fluid passageway and a secondary fluid passageway and can include a first valve movable between open and closed positions to control flow through the first part secondary fluid passageway. The second part can define a second part defining a primary fluid passageway and a secondary fluid passageway and can include a second valve movable between open and closed positions to control flow through the second part secondary fluid passageway. In one aspect, the second part is removably connectable to the first part such that, when connected the first and second part primary passageways are placed in fluid communication with each other and the first and second valves are operable between the open and closed positions to selectively place the secondary fluid passageways of the first and second parts in fluid communication with each other.

Abstract: A catheter connector for fluidly connecting a catheter to a receptacle, the catheter connector comprising two body portions, one body portion for attachment to the catheter and the other body portion for attachment to the receptacle, the connector providing a fluidly open passage from the catheter to the receptacle when the first body portion is coupled to the second body portion, each body portion automatically fluidly closing off the respective catheter and receptacle when disengaged from the other body portion.

Abstract: A female coupling for a fluid quick connector and configured to be removably connected to a male coupling of the connector. The female coupling includes a valve assembly with a valve alternating between closed and open positions. The flow of a fluid from the female coupling towards the male coupling occurs in the open position. The female coupling includes a hollow body defining an inner cavity with a longitudinal axis for the flow of the fluid. The female valve assembly is housed in the inner cavity. The hollow body includes an end portion configured to be housed in a housing seat of an interface manifold. With the end portion in the housing seat, the tubular inner cavity is placed in fluid connection with at least one inner channel of the interface manifold. A constraint prevents rotation/translation of the end portion of the hollow body with respect to the housing seat.

Abstract: A coupling for transferring fluids is provided, having a housing and a nipple which can be fastened thereto and separated from the housing when a predetermined axial pulling force is exceeded, while overcoming a spring force, and having a fluid duct traversing the housing and the nipple, a housing-side and a nipple-side non-return valve and is routed in a radially guided manner around a vented cylindrical interior of the nipple. A closure mechanism comprises respective valve-side pins and a sleeve arranged between these pins, the sleeve being axially movable in the interior of the nipple and lockable to at least one of the pins by means of spring pressure-mounted locking elements so that, with the nipple fixed, the non-return valves are held open against their spring force, and, with the nipple released, the housing-side non-return valve is completely closed and the nipple-side non-return valve is at least partially closed.

Abstract: Disclosed herein are embodiments of a connector system for releasably connecting together tubes, for example medical tubing, and methods of making and using such a connector system, whereby the connector system includes a female coupler having a first passageway, a male coupler having a second passageway, a catch movably coupled to the female coupler, and a catch-receiving element coupled to the male coupler. The connector system further includes a release element movably coupled to the female coupler, whereby travel of the release element along or over a female coupler outer surface of the female coupler disengages the catch from the catch-receiving element to achieve a disconnected condition of the connector system. Further disclosed herein are embodiments of a connector system for releasably connecting together tubes, whereby the connector system includes at least one valve biased by a valve-biasing member disposed external to or outside of the fluid flow path.

Abstract: A system including an adapter for sequential engagement with a cartridge containing a first substance and a vial containing a second substance is disclosed. The adapter is configured to first engage with the vial and subsequently engage with the cartridge such that the cartridge is in fluid communication with the vial via the adapter. The system includes a latch member engageable with a portion of the cartridge. A plunger rod includes a protrusion and is adapted to communicate with the latch member, the plunger rod being transitionable from a disengaged position, in which the protrusion of the plunger rod is disengaged from the latch member and the latch member is locked to the cartridge, to an engaged position, in which the protrusion is engaged with the latch member and the latch member is unlocked from the cartridge and locked to the plunger rod.

Abstract: A fluid switch-over device illustratively for use in a sanitary shower device, including at least one fluid inlet, at least two fluid outlets, and a movable switch-over body for controlling fluid connections of the at least two fluid outlets to the at least one fluid inlet. The switch-over body is switchable between at least three different operating positions. An actuation device is configured for sequential and bidirectional switching-over actuation of the switch-over body both in a forward switch-over direction and in a backward switch-over direction inverse to the forward switch-over direction. The actuation device illustratively includes a first actuation unit for sequential switching-over actuation of the switch-over body in the forward switch-over direction and a second actuation unit for sequential switching-over actuation of the switch-over body in the backward switch-over direction, wherein the two actuation units comprise operating elements that are user-operable independently of each other.

Abstract: A valve assembly including a probe having a first fluid exit; a socket for receiving the probe and having a second fluid exit. The probe and socket are moveable along a coupling axis to open and close the valve assembly. The valve assembly includes a closing member arranged relative to one of the fluid exits and so as to move between an open position and a closed position, wherein in the open position, the closing member does not obstruct said fluid exit and in the closed position, the closing member seals said exit, and a securing means is arranged to secure and release the closing member relative to the probe or socket of the other exit. The movement of the securing means is controlled by a cam and follower arrangement.

Abstract: A fluid connector for selectively establishing fluid communication between a first medical container and a second medical container is provided. The fluid connector includes an adapter configured to removably attach to the first container. The adapter includes an access port and a cap. The connector further includes an outer sleeve connected to the adapter and a tubular body retained at least partially within the outer sleeve. The body has a proximal end connected to the adapter and a distal end connected to the second container. The fluid connector is transitionable from a first position in which the first container and the second container are in fluid isolation to a second position in which the first container and the second container are in fluid communication. At least a portion of the cap of the adapter is retained within the outer sleeve.

Abstract: The present invention relates to a female coupling and the respective female-male connector, the female coupling being adapted to be connected to and disconnected from a corresponding male coupling by means of pushing and pulling actions, respectively, said female coupling and male couplings comprising a female valve assembly and a male valve assembly respectively, each of said female and male valve assemblies being adapted to be alternatively translated forwards and backwards between a first closing position and a second opening position, wherein the flow of a fluid is possible between the female coupling and male coupling with said female and male valve assemblies in the respective opening positions, wherein said female coupling comprises mechanical locking means adapted to prevent the accidental switching of said female valve assembly from its said second opening position to its first closing position even in case of fluid flow from the male connector to the female connector.

Abstract: A washer machine for medical instruments comprises a washing chamber, at least a sliding loader trolley at least to load the medical instruments into the washing chamber and a washing device to wash the medical instruments, comprising a multiple connection unit and a plurality of flexible washing pipes connectable to the aperture of the medical instrument to be washed. The multiple connection unit comprises a free multiple connector, autonomous and unconstrained from the sliding loader trolley and connectable to said flexible washing pipes, and a static and fixed multiple counter-connector disposed in the washing chamber. A releasable manual mechanical clamping device is provided for the selective connection of the free multiple connector to the static and fixed multiple counter-connector.

Abstract: The connection device comprises two thermal expansion valves releasably connected directly to each other, each valve being configured to be mounted to an end of a respective section of a fluid circuit and being shiftable between an open position and a closed position, in which it allows and prevents fluid flow through the device, respectively, depending on the fluid temperature.

Abstract: A closure element for liquid containers, in particular bottles, includes a stopper engaging the opening of the liquid container (e.g., a neck of a bottle) and a cap (5) covering the edge of the neck opening, the stopper including an inlet channel passing therethrough and optionally an outlet channel, the inlet channel and optionally the outlet channel (42) are respectively provided with an inlet valve or outlet valve, which may be a pressure relief valve (21).

Abstract: A flow line connector assembly has first and second parts respectively comprising a plug, and a socket configured to receive the plug; a restraining device to resist disconnection of the first and second parts when the plug is received in the socket; and flow tubes, wherein each of the plug and the socket has a respective flow tube and the flow tubes are adapted to interconnect to form Ca conduit for fluid to flow between the first and second parts when the plug is received in the socket.

Abstract: A spring-loaded bag connector having a spring-loaded valve and a housing comprising a fluid inlet portion and a fluid outlet portion. The spring-loaded bag connector is configured to connect with a fluid collection bag to generate a self-closing collection bag. Additionally, the spring-loaded bag connector is configured to couple with a second coupling element, such as a coupling connector, to facilitate the drainage and collection of waste to a fluid collection bag. Uncoupling of the bag connector and the second coupling element results in minimal fluid contamination on the outer surfaces of the bag connector system. The bag connector systems provided herein are included in medical appliances for body waste management.

Abstract: Blast activated quick-disconnect apparatus in cooperation with a quick disconnect device including a two-piece body with a longitudinally movable collar surrounding a portion of each of the two pieces, the collar holding the two pieces together in a first position and separating the two pieces in a second or activated position. The apparatus including mounting apparatus fixedly attaching the quick disconnect device to a vehicle to be protected from physical shock or concussion, a mass affixed to the movable collar of the two-piece body, a spring having one end abutting the mass, and a spring stop formed as one of a portion of the mounting apparatus or a separate component. The spring being designed to provide a bias on the mass that prevents movement of the mass and collar into the activated position during accelerations in a normal use range.

Abstract: An extendable bag roller for supporting a bag of material during removal of the material from the bag includes a bag support having a curved surface configured to support the bag of material on the curved surface and a roller that rolls along the curved surface of the bag support to squeeze the material out of the bag. The bag support includes a base defining a first portion of the curved surface of the bag support and an extension defining a second portion of the curved surface of the bag support, the extension being moveable to selectively increase and decrease the area of the curved surface of the bag support to accommodate different bag sizes.

Abstract: A ring magnet for use in determining a rotational angle of a rotatable shaft and configured to be connected to the rotatable shaft for co-rotation with the rotatable shaft around a rotational axis may include a recess in a circumferential surface of the ring magnet, where the recess may be recessed away from the circumferential surface to cause a magnetic sensor to measure a substantially constant ellipticity of a radial component of a magnetic field of the ring magnet and a tangential component of the magnetic field of the ring magnet, when measuring the rotational angle of the rotatable shaft, as the ring magnet moves along the rotational axis of the rotatable shaft.

Abstract: A self-sealing hydraulic device has a connecting assembly and a hydraulic assembly. The connecting assembly has an adaptor having a shell, a male fitting, and a barb fitting. The male fitting is mounted in the shell, is axially moveable relative to the shell, and has an axial hole and a radial hole orthogonally communicating with the axial hole. The radial hole is sealed by the shell. The barb fitting is connected to and communicates with both the shell and a hose. The hydraulic assembly is assembleable to the connecting assembly and has a housing, an elastic element, and a valve unit. The housing has a hydraulic chamber and an assembling hole communicating with the hydraulic chamber via a through hole. The elastic element is disposed in the housing. The valve unit is disposed inside the hydraulic chamber and driven by the elastic element to seal the through hole.

Abstract: A vacuum assisted drain connector (“VAD connector”) may be used to connect a surgical drain to a portable electronic vacuum device. The VAD connector may have an elongate body with a nipple connector at one end and a twist lock feature at the other end. A through passage may extend between an inlet opening provided in the nipple connector and an outlet opening provided in the twist lock feature. The nipple connector may be connected to the proximal end of a surgical drain, which is to be implanted in a patient's body. The twist lock feature may be connected to a cooperating twist lock feature provided on a native vacuum tube of portable electronic vacuum pump.