201results about "Suction drainage containers" patented technology

The invention belongs to the technical field of medical drainage, and discloses a pressure self-adjusting drainage device which comprises a drainage water seal bottle and an inclined anti-dew mechanism. The inclined anti-dew mechanism is arranged on the drainage water seal bottle; the drainage water seal bottle comprises a bottle body, a liquid collecting cavity, a water seal cavity and a negative pressure control cavity are formed in the bottle body, a drainage pipe capable of being communicated with the liquid collecting cavity is arranged on the bottle body, a water seal pipe is fixedly communicated with the interior of the water seal cavity, a communicating pipe is communicated between the liquid collecting cavity and the water seal pipe, an air breather pipe is fixedly communicated with the interior of the negative pressure control cavity, and the air breather pipe is communicated with the negative pressure control cavity. The bottle body is communicated with a negative pressure pipe which can be communicated with the negative pressure control cavity; the inclined anti-dew mechanism comprises a fixing sleeve. By means of the design, the situation that pneumothorax is developed into open pneumothorax due to the fact that the end of the water sealing pipe is exposed can be avoided, then the sealing performance of the drainage device is guaranteed, air backflow is avoided, and meanwhile it is guaranteed that the drainage device can normally work in an inclined state.

The invention discloses a siphon type gastrointestinal nursing pressure reducer with a pressure regulating function. Comprising a support, a sealing box is installed at the top of the support, a drainage tube is connected to one side of the sealing box, a pressure adjusting structure is installed at the end of the drainage tube, the pressure adjusting structure is connected with a trigger structure, the trigger structure is located in the sealing box, and a conveying tube is connected to the other side of the sealing box. Through the arrangement of the drainage tube, the pressure regulating structure and the triggering structure, the device can be driven without additional electrical equipment; liquid in the gastrointestinal tract is efficiently led out through the siphon effect, so that the energy-saving and environment-friendly effects are achieved, in the using process, after the liquid in the gastrointestinal tract is completely led out, the pressure in the system can be naturally reduced, at the moment, the pressure adjusting structure cannot be triggered, and then the triggering structure is driven to stop the siphon effect.

A surgical drain system for use during and following surgery is provided. A collection reservoir is placed in fluid communication with the body of a user through a collection port. A pump creates a vacuum pressure to urge fluid into the collection reservoir. Fluid exits the collection reservoir through a drain port. A drain mechanism allows air to come into the collection reservoir through an air intake aperture and collected fluid to leave the reservoir simultaneously. The drain system can be worn beneath clothes.

The present invention discloses a novel effusion extraction device for oncology treatment and its extraction method, which relates to the technical field of effusion extraction. It includes a sleeve with a barrel cavity for accommodating a syringe. One end of the sleeve is provided with a first extension hole for the needle tip to protrude, and the other end is open for the needle handle and its end cap to protrude. The sleeve is provided with a pumping mechanism, including a pressing part and a transmission part. The pressing part is arranged outside the barrel wall of the sleeve, and the transmission part is arranged inside the barrel wall of the sleeve. The present invention improves the problems in the prior art that when performing effusion extraction and needle insertion, during the operation of retracting and inserting the needle simultaneously, the operator generally operates with both hands, and the other hand repeatedly retracts the needle handle, making it difficult to control the center of gravity and the needle insertion not stable enough. The present invention has the advantages that the operator can insert the needle with one hand and simultaneously control the repeated retraction of the needle handle with the other hand, and the other hand can be placed on the puncture site, making the operation more convenient and the needle insertion more stable.

A blood reintroduction system can include a canister having a chamber configured to collect blood. A system may include an inlet configured to fluidically connect the chamber to a first tubing in fluid communication with an aspiration catheter. A system may include a first filter within the chamber, wherein the first filter is configured to separate blood from thrombus. A system may include a second filter downstream of the first filter, wherein the second filter is configured to separate blood from thrombus. A system may include a second tubing connected to an outlet of the chamber, wherein the second tubing is configured to reintroduce filtered blood from the chamber to a patient's vasculature.

The invention discloses a manual negative pressure sputum aspirator, which relates to the technical field of medical instruments and comprises a sputum aspirator body, a suction pull rod for driving the sputum aspirator body to work is fixedly connected to the rear part of the sputum aspirator body, and a rotating mechanism for driving the suction pull rod to reciprocate is arranged outside the suction pull rod. An extending mechanism used for saving labor is arranged on the side face of the sputum aspirator body, a supporting mechanism used for maintaining stable work of the suction pull rod is arranged at the bottom of the sputum aspirator body, and a positioning mechanism used for maintaining the inclination angle of the sputum aspirator body is arranged in the middle of the supporting mechanism. The suction pull rod is driven to work in a reciprocating mode through rotation of the rotating disc, small force of hand rotation is converted into large stroke pulling force of the pull rod, physical power needed by single-time operation is greatly reduced, the fatigue degree of operation is reduced, and the rotating mechanism ensures that the stroke of reciprocating motion of the pull rod every time is consistent through mechanical limiting. And the problem of unstable negative pressure caused by non-uniform force during manual direct pulling is avoided.

The invention relates to the technical field of external thoracic drainage, and particularly discloses a drainage device for thoracic surgery nursing, which comprises a bottle body and a collecting cavity, the collecting cavity is arranged on the bottle body, the bottle body is provided with a water seal cavity and a pressure regulating cavity, the collecting cavity is used for collecting hydrops and gas discharged from the thoracic cavity of a patient, and the water seal cavity discharges the gas in the body of the patient in the form of bubbles. The pressure adjusting cavity is used for adjusting and maintaining the negative pressure level of the drainage device, the collecting cavity is connected with a drainage tube, and the monitoring assembly is arranged in the collecting cavity, corresponds to the drainage tube and is used for monitoring the flow of accumulated liquid in the drainage tube and the negative pressure in the collecting cavity and judging whether the drainage tube is blocked or damaged or not. By monitoring the hydrops flow in the drainage tube and the negative pressure state in the collection cavity, whether the drainage tube is blocked or damaged or not is judged according to the hydrops flow and the negative pressure state, and when facing abnormal drainage, medical staff can give an alarm in time to inform the medical staff to quickly judge whether the drainage tube is blocked or is physically damaged.

The present invention relates to the technical field of urinary catheterization devices, and particularly relates to a urinary catheterization device for urology, which includes a housing. A positioning rod is arranged inside the housing, and a urine bag body is installed on the circumferential surface of the positioning rod through a ring buckle. An input connector and an output connector are installed inside the housing. The urine bag body is connected to the input connector through an input tube, and the urine bag body is connected to the output connector through an output tube. The input connector is connected to a urinary catheter through a connecting tube. Mounting plates are installed inside the housing, first guiding grooves are opened on the surfaces of the mounting plates, rotating rods are slidably connected in the first guiding grooves, and extrusion rollers are rotatably connected to the circumferential surfaces of the rotating rods. A slider is slidably connected inside the housing, an activity groove is opened inside the slider, and both ends of the rotating rod are located inside the activity groove. Through the action of the extrusion component, the present invention fully discharges the urine in the urine bag body, improves the urine discharge speed, and enhances the patient's usage experience.

A semi-disposable medical-fluid waste management apparatus includes a rigid canister having a first and second canister portions with an opening in the first portion. One of the canister portions includes an interstitial vacuum port therein, and the first and second canister portions include first and second seal portions, respectively, which when sealingly engaged form a canister joint in a canister-closed position. The canister joint defines a seal area, and the canister opening defines an opening area which is smaller than the seal area. The apparatus also includes (a) a disposable assembly having a lid configured to sealingly mate with the canister opening and lid-ports for vacuum and fluid connections and (b) a suction liner sealingly attached to the lid and to be inserted into the canister to receive medical-fluid waste when the canister is closed and the lid is mated with the canister opening.

Disclosed herein are devices, systems, and methods for at least partially automatically aspirating clot material and blood from the vasculature of a patient, filtering the blood from the clot material, and returning the blood to the vasculature of the patient. In some embodiments, a system in accordance with the present technology can include (i) an aspiration catheter configured to be positioned within the vasculature of a patient proximate to clot material therein, (ii) an aspiration assembly selectively fluidly couplable to the aspiration catheter, (iii) a filter assembly selectively fluidly couplable to the aspiration assembly, (iv) a reinfusion and flushing assembly selectively fluidly couplable to the filter assembly, (v) a reinfusion catheter selectively fluidly couplable to the reinfusion and flushing assembly and configured to be positioned within the vasculature, and (vi) a control system communicatively coupled to the aspiration assembly, the filter assembly, and / or the reinfusion and flushing assembly.

The cyclical suction system generates an intermittent cyclically spaced cyclical suction pressure waveform of a vacuum pressure below atmospheric pressure and a positive pressure above the vacuum pressure. The system includes a flexible inlet tubing connected in fluid communication between a vacuum pump and a suction conduit. A positive pressure pulse generator mechanism intermittently cyclically applies an external force that compresses the segments of the flexible inlet tubing, thereby reducing the internal volume and displacing fluid that can be collected therein, thereby generating positive pressure pulses. Upon withdrawal of the applied external force, the flexible inlet tubing is configured to be able to be forced to return to an uncompressed state, thereby increasing the internal volume while reducing pressure therein until the vacuum pressure ultimately regenerates, thereby minimizing return time and maximizing cycle frequency.

The present invention relates to a device (100) for purifying adipose tissue, said device comprising at least one sealed enclosure (110), a filter (120) present in the sealed enclosure, and a means (10, 20) for rotating the filter, said filter delimiting a centrifugation chamber (160) for centrifuging adipose tissue and having a pore size configured to allow a liquid medium to pass and to retain adipose tissue.

Manifold for a medical / surgical waste collection assembly. A shell includes a proximal end base, and a lip extending proximally from the proximal end base. The lip extends around an outlet opening defined in the proximal end base that is off-centered to a longitudinal axis of the shell. A cap including a cap head is coupled to a side wall of the shell. A drip stop may be seated within a space defined by the lip to cover the outlet opening. An arcuate section of the lip may be flush with an adjacent section of the side wall. The cap head may define a through hole, and a flapper valve unit may be coupled to the cap head with another component having ears extending through the through hole. A fence may extend from the cap head and configured to be grasped by a user.

The invention belongs to the technical field of medical instruments, and relates to a novel subscalp effusion suction device which comprises a puncture needle, a drainage tube, a three-way connector, a first injector and a drainage bottle. The left end of the drainage tube penetrates through the interior of a needle tube of the puncture needle; a left end interface of the three-way connector is connected with the right end of the drainage tube; a three-way switch for adjusting the drainage direction in the three-way connector is arranged on the three-way connector; a nipple of the first injector is connected with a right end interface of the three-way connector; a top bottle opening of the drainage bottle is connected with a bottom port of the three-way connector. According to the suction device, the drainage tube is reserved in the lower scalp effusion area, the drainage bottle and the first injector can be connected through the three-way connector, the drainage direction in the three-way connector can be switched through the three-way switch, effusion can be repeatedly sucked under the condition that the injectors are not replaced, operation is simpler, the infection probability is reduced, the drainage tube is soft in texture, and the drainage tube is convenient to use. And the indwelling length of the drainage tube can be adjusted, so that the liquid suction is more thorough.

The present disclosure relates to systems and methods for intravascular treatment of intravascular clots in a human patient. A method according to an embodiment of the present technology may include, for example, positioning a distal portion of a catheter near an intravascular clot. The method may further include coupling a pressure source to the catheter via a conduit subsystem that includes a valve or other fluid control device, and activating the pressure source to charge a vacuum while the valve is closed. The valve may then be opened to apply the vacuum to the catheter, thereby sucking at least a portion of the clot into the catheter from the blood vessel.

The invention provides urethral administration equipment, and belongs to the field of urinary surgery equipment.The urethral administration equipment mainly comprises a cleaning assembly, the cleaning assembly comprises a cleaning bottle, a cleaning hole, a cleaning column and a rotating sleeve, the cleaning bottle is used for providing cleaning liquid, the cleaning column is fixedly connected with the cleaning bottle, the cleaning column is provided with the cleaning hole, and the rotating sleeve is rotationally connected with the cleaning column; the collecting bottle is fixedly connected with the cleaning column, the sliding column is driven to move through movement of the push rod, so that cleaning liquid in the cleaning bottle enters the rotating sleeve, and the cleaning liquid flows out of the cleaning hole due to rotation of the rotating sleeve and enters the collecting bottle through the first collecting pipe, so that the effects of cleaning and collecting the cleaning liquid are achieved; then the push handle is pushed to enable liquid medicine in the medicine feeding bottle to enter the medicine feeding pipe, and due to the fact that the medicine feeding column is provided with the medicine feeding holes, the liquid medicine achieves the medical effect on the affected part through the medicine feeding holes. According to the invention, the affected part is cleaned, and the treatment effect is improved.

The invention belongs to the technical field of medical instruments, and particularly relates to a thoracic surgery anti-blocking drainage apparatus which comprises a bottom plate, a drainage apparatus body is detachably assembled at the upper end of the bottom plate, a first elastic element is assembled in the drainage apparatus body, an air inlet connector and an air outlet connector are fixed to the upper end of the drainage apparatus body, and an air outlet connector is fixed to the lower end of the drainage apparatus body. The drainage device further comprises a pressure adjusting part, the pressure adjusting part is assembled between the bottom plate and the drainage device body, the pressure adjusting part comprises an air storage pipe, a traction block and a piston block, and the air storage pipe is fixed to the upper end of the bottom plate. Drainage is conducted on a patient through the drainage device body, the mass of the drainage device body is gradually increased, the piston block is driven to move, negative pressure is formed in the third cavity, and when the negative pressure in the third cavity is larger than the opening pressure of the one-way valve and the negative pressure in the drainage device body, drainage is conducted. And gas in the drainage apparatus main body is pumped into the third cavity, so that the negative pressure in the drainage apparatus main body is relatively increased, and the anti-blocking performance of the device is improved.

The invention relates to the technical field of medical treatment, in particular to a closed thoracic drainage device. The drainage device comprises a supporting shell, a rotating outer ring hinged to the supporting shell, and a drainage liquid containing assembly arranged in the supporting shell and hinged to the rotating outer ring. The invention aims to provide a thoracic cavity closed drainage device which solves the problems that in the moving process and the using process of an existing thoracic cavity drainage device, the situation that liquid leaks easily occurs, the work of medical staff is increased, and the work safety of the medical staff is reduced.

A medical waste collection system for collecting waste. A level sensor is coupled to at least one waste container and generates a signal indicative of the fluid level of the waste therein. A controller is configured to operate a light source assembly based on the signal such that a portion of the interior space of the waste container located below the fluid level of the waste is illuminated. The cover assembly can include a rack and pinion and / or polarizing segments to selectively limit visibility of portions of the waste container. The controller can initiate a clog removal protocol that creates a pressure differential between the upper and lower waste containers based on a determination that a transfer valve between the upper and lower waste containers may be clogged. This determination can be based on a rate of change of the fluid level measured by the level sensor(s).

The invention is suitable for the technical field of medical instruments, and provides a buckle-type connection anti-needle-falling injector, which comprises a needle cylinder, a buckle-type connection part, a buckle-type connection part, a buckle-type connection part and a buckle-type connection part, the piston is arranged in the needle cylinder, and a pull rod is fixedly mounted on the piston; the connector is sleeved with the pintle, and a pintle head is arranged on the pintle; the mounting ring is fixedly mounted on the pintle; the mounting seat is fixedly mounted on the connector; the buckle mechanism is assembled on the mounting ring and the mounting seat; the buckle mechanism is used for fixing the pintle on the connector; the buckle mechanism comprises a placement block fixedly mounted at the bottom of the mounting ring; and the placing groove is formed in the mounting seat. According to the buckle type connection anti-needle-falling injector, the situation that the needle head falls off can be effectively prevented, and the safety and reliability of injection operation are high.

Devices and methods for managing chest or wound drainage includes a chest tube configured for insertion within a body, a drainage tube coupled with the chest tube, a reservoir coupled with the drainage tube, a pump coupled with the reservoir, and a controller in communication with the reservoir. The controller determines air leak flow rate when air is evacuated from the body and the controller determines a readiness for chest tube removal if two or more removal parameters are satisfied including: (i) the air leak flow rate is above a first threshold air leak flow rate, (ii) an average of the air leak flow rate is maintained above a second threshold air leak flow rate over a period of time, (iii) the air leak flow rate is maintained below a maximum air leak flow rate over a second period of time.

The present invention relates to a blood collection container fitted at its top with a suction connector 10 for connecting a drainage tube 19 and also fitted with a suction connector 6 for connecting said suction tube 18 of a vacuum connection. The present invention is characterized in that, firstly, the blood collection container 1 has a discharge port 4 at its bottom for draining the collected blood via a tube 30 to a blood washing device, secondly, the blood collection container 1 contains an anticoagulant, and thirdly, the blood collection container 1 is entirely sterile and is packaged in a delivery bag 2 sterile-sealed by a hermetic seal 5 to be opened in the operating room immediately before use. A tubing section is advantageously placed in the lower drain port 4, which tubing section can be closed by a tubing clamp 16 for connecting a drainage tube 30 to this drainage port 4 and for optionally opening or closing the tubing section or the drainage tube 30 by means of the tubing clamp 16.

The invention relates to the technical field of wound drainage devices, in particular to a pressure-adjustable wound drainage device used after breast surgery, which comprises a drainage bottle used for providing negative pressure and a drainage tube with one end communicated with the inside of the drainage bottle, the drainage bottle is provided with an exhaust port, and the drainage bottle at least comprises a compressible part. A first hard plate and a second hard plate opposite to the first hard plate are arranged on the compressible part, the compression direction of the compressible part is the direction in which the first hard plate and the second hard plate are close to each other, and an expansion auxiliary part is further arranged between the first hard plate and the second hard plate. The expansion auxiliary part assists expansion of the compressible part by pushing the first hard plate and the second hard plate to be far away from each other, so that negative pressure power is provided, an existing drainage bottle is transformed, the negative pressure generated by the existing drainage bottle can be adjusted, and the better drainage effect on the existing postoperative breast cancer is achieved.

The invention relates to the technical field of medical instruments, in particular to a portable sputum aspirator which comprises a first shell, a sputum storage device arranged on one side of the first shell and a pipeline communicated with the sputum storage device. A first cylinder, a second cylinder and a driving piece are fixedly arranged in the first shell, a first piston piece is arranged in the first cylinder in a sliding mode, a second piston piece is arranged in the second cylinder in a sliding mode, and the first piston piece and the second piston piece are connected with the driving piece at the same time; the moving directions of the first piston piece and the second piston piece are opposite; the first cylinder is divided into a first negative pressure chamber and a liquid spraying chamber by the first piston piece, the second cylinder is divided into a second negative pressure chamber by the second piston piece, and the first negative pressure chamber and the second negative pressure chamber are both communicated with the sputum storage device; the sputum aspirator solves the problem that an existing sputum aspirator cannot continuously generate negative pressure, so that thick sputum is inconvenient to suck out.

The invention relates to the field of puncture operation positioning equipment, in particular to a puncture operation auxiliary positioning frame which comprises a positioning frame, two supporting frames are fixedly connected to the two sides of the positioning frame, and rotating shafts are arranged in the supporting frames; the two ends of the arc-shaped adjusting plate are rotationally connected to the two rotating shafts correspondingly, and first fixing assemblies are arranged on the rotating shafts to limit the rotating angle of the arc-shaped adjusting plate; the sliding frame is slidably connected to the side wall of the arc-shaped adjusting plate, and a second fixing assembly is arranged on the sliding frame to lock the position of the sliding frame. By arranging the rotating shell and the semicircular clamping plates, in the downward moving process of the sliding plate, the two semicircular clamping plates get close to each other, a puncture tube is clamped and positioned, longitudinal movement of the puncture tube is limited, stability of the puncture tube in the puncture process is ensured, after puncture is finished, the sliding plate moves downwards, and the puncture tube is prevented from falling off. And after the puncture tube is separated from the lesion position, the two semicircular clamping plates are far away from each other, so that the puncture tube can be conveniently taken down from the guide plate.

The utility model relates to the technical field of first-aid equipment, and discloses portable child choking prevention first-aid equipment which comprises a mask, an inflator grip, an air outlet one-way valve, an air inlet one-way valve and a folding air bag, the folding air bag is installed between the mask and the inflator grip, and when the folding air bag is pulled up, air is exhausted and foreign matter is sucked out. When the air cylinder grip is pulled upwards to drive the folding type air bag to be pulled up, the air outlet one-way valve is closed, the air inlet one-way valve is opened, the internal space of the soft rubber air bag and the air bag hard rubber support becomes large to form negative pressure, foreign matter is sucked out, and when the air cylinder grip is pressed downwards, the air outlet one-way valve is opened, the air inlet one-way valve is closed, and air in the folding type air bag is exhausted. When the foldable anti-suffocation emergency equipment is folded, the size is more than three times smaller than that of portable emergency equipment on the market, and parents or child caregivers can conveniently carry the foldable anti-suffocation emergency equipment in a bag.

A first mobile cart (1000, 2500, 4000) of a system for collecting waste during a medical procedure is presented. The system further comprises a second mobile cart (100, 2100, 3100), wherein the first mobile cart and the second mobile cart are configured to be mated together so that the carts can move as a single unit and be selectively decoupled from each other so as to be able to move independently from each other. The second mobile cart is configured to connect to the at least one container for drawing suction on the at least one container so that, when a suction on the at least one container, waste is drawn through the suction line into the at least one container. The first mobile cart (1000, 2500, 4000) includes a mobile base (1206, 4206), at least one container (1200, 1202, 4200, 4202), a receiver (1258) configured to receive a suction line (60, 64) that establishes a connection from a surgical site to the at least one container, an outlet fitting (1902, 4902) that extends from the at least one container that is configured to connect the at least one container to an outlet fitting (906) for receiving material stored in the at least one container, and a first coupling (1600, 4600) attached to the first mobile cart, the first coupling connected to the at least one container (1200, 1202, 4200, 4202). A second coupling (400, 3400) is attached to the second mobile cart, the second coupling being connectable to a vacuum pump (210, 3210). When the first mobile cart and the second mobile cart are mated, the first and second couplings the first and second couplings automatically connected together to establish a vacuum path (70, 72, 3070, 3072) from the at least one waste container to the vacuum pump. The first cart further includes at least one component (1952, 4952) that draws power from or that generates a data signal (1957) for a component (802, 3802) of the second cart, the component capable of at least one of sourcing power to the first cart or for receiving the data signal from the first cart. A first signal coupling (1856, 1800, 4800) is attached to the first cart, the signal coupling being configured to and mounted to the first cart so that, when the first and second carts are mated together, the first signal coupling of the first cart automatically connects to a second signal coupling (620, 500, 3500) attached to the second cart so as to establish at least one of a power connection from the second cart to the first cart or a data transfer connection between the carts.

The invention relates to the technical field of urinary catheterization devices, in particular to a urinary surgery urinary catheterization device which comprises a shell, a positioning rod is arranged in the shell, a urine bag body is mounted on the circumferential surface of the positioning rod through a buckle, an input connector and an output connector are mounted in the shell, and the urine bag body is connected with the input connector through an input pipe. The urine bag body is connected with the output connector through an output pipe, the input connector is connected with a catheter through a connecting pipe, the mounting plates are mounted in the shell, the first guide grooves are formed in the surfaces of the mounting plates, the rotating rods are slidably connected into the first guide grooves, and the extrusion rollers are rotatably connected to the circumferential surfaces of the rotating rods. A sliding block is slidably connected into the shell, a movable groove is formed in the sliding block, and the two ends of the rotating rod are both located in the movable groove, under the action of the extrusion assembly, urine in the urine bag body is fully discharged, meanwhile, the urine discharging speed is increased, and the use experience of a patient is improved.

A device for collecting and processing bone fragments comprises a housing having a distal end and a proximal end, a filter element at least partially disposed within said housing, said filter element having a first end, a second end, with said first end positioned closer to said distal end of said housing than said second end, and a piston comprising an attachment element and moveably disposed within said filter element and movable between a first and a second position, an inlet cap releasably coupled to said distal end of said housing and / or said first end of said filter element, an outlet cap releasably coupled to said proximal end of said housing, and a plunger configured to be releasably coupled to said piston to move said piston between said first and second positions. Said housing further comprises an outer wall having an inner surface extending between said distal end and said proximal end. Said filter element further has a sidewall joining said first end and said second end. Said sidewall defines an inner peripheral surface and an outer peripheral surface. Said sidewall has a plurality of apertures therein. Said inner peripheral surface of said sidewall at least partially define a collection chamber for said collection of a composition comprising bone fragments. Said outer peripheral surface of said sidewall and said inner surface of said outer wall are spaced apart from one another to define an exterior radial volume. Said piston at least partially defines said collection chamber in said first position. Said inlet cap includes an intake port configured to be coupled to a surgical tool and receive said composition comprising bone fragments. Said outlet cap includes a vacuum port configured to be coupled to a vacuum source. Said plunger comprises a corresponding attachment element, a press pad, and a tapered body extending therebetween, wherein said body is tapered such that a diameter of said body increases as said body extends from said corresponding attachment element towards said press pad, wherein upon removal of said inlet cap and said outlet cap, said plunger can be coupled to said piston, and force can be applied to said piston to move said piston from said first position to said second position to discharge composition from said filter element.