Abstract: A quick release needle holder, comprises a tubular barrel having a needle hub receiving socket and a needle engaging plug on one end, the needle receiving socket having a segmented wall defining a plurality of annular jaws having internal thread segments, the jaws normally biased into an inner position for threadably receiving a needle hub, a cam device slideably mounted on the socket for releaseably biasing the jaws to a needle hub releasing position, and an ejector for engaging the needle hub and ejecting the needle from the plug.

Abstract: The exposed surface of the bung closing off the glass vial of medicament is provided with a permanent contact bactericide coating to prevent microbial growth. The coating is applied by a vapor deposition process. Upon removal of a pull tab on a cap securing the bung to the glass vial, the exposed bactericide containing surface of the bung can be pierced by a needle in order to obtain access to the medicament in the vial.

Abstract: A prefilled syringe comprising a syringe body of glass; a sealing member with a through-hole extending in the axial direction of said syringe body; a tip member including a top wall, a skirt portion extending therefrom and a tubular projection passing through said top wall, said tubular projection including an outwardly extending projection and an inwardly extending projection; a covering means for closing the outwardly extending projection of said tip member; and a holding member for holding said covering member along with said tip member in place on the mouth portion of said syringe body, said tip member being liquid-tightly fixed to the mouth portion of the syringe body by said holding member.

Abstract: The invention relates to disposable devices for introducing substances into body cavities of a patient. The device comprises a container for holding a substance which is connected to a tube ending in an opening which is inserted into a body cavity. The opening is sealed by a frangible seal located inside the opening. An actuating rod ruptures and removes the seal upon actuation. The actuating rod is provided with supporting rods extending to the container which are connected to the container by frangible connections. The supporting rod serves as a safe-guard against accidental rupture of the seal and as a guide for a controlled movement of said the actuating rod. The supporting rod also defines and protects an area to be kept sterile. The invention also relates to a moulding apparatus and to a method for making said device.

Abstract: A method and apparatus for transporting syringes containing radioactive material. The apparatus includes a radiopharmaceutical pig having an inner chamber in which a sharps container can be secured. The sharps container has a housing and an attachable cap. The method includes assembling the radiopharmaceutical pig so that the chamber of the radiopharmaceutical pig contains the syringe in the sharps container housing. The radiopharmaceutical pig is disassembled, where upon the syringe is removed, discharged, and then replaced in the sharps container housing. The cap of the sharps container is affixed to the housing of the sharps container, thus enclosing the contaminated syringe therein. The radiopharmaceutical pig is assembled so that its chamber contains the sharps container and the syringe. The radiopharmaceutical pig is transported to a disposal area, where it is disassembled and the sharps container containing the syringe is placed in a particular disposal container.

Abstract: A delivery apparatus in the form of a syringe assembly and piston with structure for preventing withdrawal of the piston a distance more than the thickness of one piston. The syringe is preferably prefilled and sterilized to provide a sterile syringe assembly with sterile fluid contents. Controlled, limited withdrawal of the piston facilitates aspiration of the syringe without the contamination risks caused by withdrawing the piston so as to allow the sterile fluid to contact the exposed portion of the syringe container portion behind the piston.

Abstract: A non-reusable syringe is disclosed, as well as a needle guard for use in the syringe. The needle guard is a chamber for enclosing a syringe needle and has a heat-labile material disposed on a surface thereof. The heat-labile material can melt and flow onto the needle when heated and, when cooled, the material will solidify and encapsulate the needle within the chamber.A syringe for use with the needle guard has a needle that is retractable inside the syringe body.

Abstract: A disposal device especially suited for used hypodermic needles and other such sharp contaminated medical devices includes a container having a hollow interior and at least one opening through the walls of the container into the container interior, and a plug filling the opening in the container walls and secured to the container. The plug is composed of a resilient, self-sealing, non-coring, needle-penetrable material, so that the used medical product may be inserted through the plug such that at least the tip thereof is in communication with the hollow interior of the container. An anti-microbic, anti-viral liquid is disposed in the hollow interior of the container so that the tip of the used medical product inserted in the hollow interior is exposed to the anti-microbic, anti-viral liquid. The container/plug combination is sufficiently light that it may be agitated by moving the used medical product without the user having to actually touch the container.

Abstract: Proposed is a needle (12) with a sharpened point (14) at the tip and a needle holder (16) at the rear end holding the needle, a mandrel (24) which can be displaced inside the needle, and optionally a protective cap (18) enclosing the needle point and detachably attached to the needle holder, with which objects (10) such as longterm preparations, identification tags, or the like are to be inserted in the body of a living being. To ensure that the object is unequivocally fixed in position inside the needle, the object is arranged between a closure toward the tip of the needle and, for example, a constriction (20) toward the handling end. The closure is preferably a stopper which is carried along with the object when the latter is inserted.

Abstract: An approach for sterilizing and reusing a fiber optic probe is disclosed. The fiber optic probe includes an input end having an axially projecting stem containing the input face of the fiber. Prior to sterilization, a cap member is mounted on the stem to prevent damage by the pressurized steam encountered in an autoclave. After being sterilized, the probe is brought to the operating theater. The sterilized probe is transferred to the sterile field while the stem and cap member are extended beyond the sterile field. The cap member is then removed and the input end of the probe is connected to the source of laser radiation. Using this approach, the probe can be sterilized without damage and reused without contaminating the sterile field.

Abstract: A surgical instrument tip protector includes a flexible sheath having an open end into which the tip of a surgical instrument may be inserted. The interior surfaces of the sheath include longitudinal channels and ribs to permit the flow of steam or gases over the tip portion of the instrument, for sterilization, while the tip protector is in place. The inner surfaces of the tip protector are in frictional contact with the instrument tip portion, to prevent the tip protector from inadvertently coming off of the instrument tip. The tip protector has a substantially closed cap end including a small aperture.

Abstract: A delivery apparatus in the form of a syringe assembly with a piston and including a mechanism for preventing withdrawal of the piston. The syringe is preferably prefilled and sterilized to provide a sterile syringe assembly with sterile contents. By preventing withdrawal of the piston, contact of the sterile contents with the exposed portion of the syringe barrel behind the piston and the consequent risk of contamination arising therefrom are avoided.

Abstract: A delivery apparatus in the form of a syringe assembly and piston with structure for preventing withdrawal of the piston a distance more than the thickness of one piston. The syringe is preferably prefilled and sterilized to provide a sterile syringe assembly with sterile fluid contents. Controlled, limited withdrawal of the piston facilitates aspiration of the syringe without the contamination risks caused by withdrawing the piston so as to allow the sterile fluid to contact the exposed portion of the syringe container portion behind the piston.

Abstract: A syringe is disclosed which includes a needle body having a proximal end and a distal end, a needle attached to the distal end of the needle body, a plunger for drawing fluid into the needle body through the needle, and a protective sheath configured and dimensioned to be positioned about the needle body and movable between a first distal position whereby the needle is shielded by the sheath and a proximal position whereby the needle is exposed. A system of slots and pegs is provided to releasably retain the protective sheath in the first distal position and to releasably retain the protective sheath in the proximal position. Also a system to retain and lock the protective sheath in a second distal position after use whereby the needle is protected by the sheath. A method of using the safety syringe to protect the needle from inadvertent contact with the user or any person in the area of use is also disclosed.

Abstract: A protection system is provided for the transfer of toxic liquid from a bulk container through a first conduit to a connector for a delivery device such as a dosage syringe. A second conduit connects the connector to a waste receptacle. The first and second conduits penetrate the closed end of a flexible barrier bag. The bag is initially retracted from the bulk container to allow manipulation of the bulk container. The bag is subsequently extended over and sealed around the bulk container and waste receptacle to protect the health care provider during liquid transfer to the deliver device.

Abstract: A holding device for a syringe while filling the syringe with radioactive liquid allows the syringe to be held such that a user is not exposed to radioactive rays. The holder generally comprises first and second rigid elongate members joined by a hinge. The first member distal end terminates in a finger flange bracket for receiving and retaining a syringe finger flange. The second member distal end terminates in a thumb flange bracket for receiving and retaining a syringe plunger thumb flange. An adjustable metering device restricts the angle through which the arms can move. In an exemplary embodiment, the finger flange and thumb flange brackets are removable.

Abstract: A multipharmaceutical delivery system, such as a syringe (2) or a topical pharmaceutical applicator, suitable for a simultaneous delivery of a mixture (124) of two or more mixed pharmaceuticals (52, 120) in selected amounts and proportions, includes a body (4, 180) with first and second variable volume reservoirs (24, 26), containing the first and second liquids or other flowable materials, such as creams and salves. The reservoirs are connected to a variable volume accumulator chamber (31) through check valves (28) to permit liquid to flow from the reservoirs into the accumulator chamber but not the reverse. A delivery head, such as a needle assembly (78) or a spray nozzle assembly (196), is selectively fluidly coupled to the accumulator chamber by an exit path (106, 202) formed in the body.

Abstract: A syringe having a casing, a shiftable rod assembly, and a needle foot latched at a first end of the casing is disclosed. The syringe is equipped with a shiftable ring for limiting stroke length of the rod assembly in such a way to maintain the piston at a predetermined distance from the needle foot, and to increase the stroke length after a second outward shifting stroke of the piston for drawing in liquid, in such a way that upon a second inward shifting stroke of the piston for expulsion of the injection liquid, the piston will be coupled with the needle foot.

Abstract: Disclosed is a pre-filled plastic syringe containing a liquid product for terminal sterilization comprising: a syringe barrel equipped with a one-way valve and a slidable plunger to equalize pressure differentials; a filter engaging the one way valve to prevent backward migration of viruses and bacteria; an end cap covering the open end of the barrel to maintain sterility; and an end cap restraining device to prevent plunger blow-out.

Abstract: An insert (14) for supporting a double ended needle (94, 98) during a blood collection procedure is translatably mounted with a cylinder (12) for retracting the anterior needle (98) into the cylinder (12) on completion of the procedure to prevent needle stick while the posterior needle (94) remains continually shielded against needle stick by the insert (14). An anterior lock position stabilizes the double ended needle (94, 98) during the blood collection procedure and a posterior lock position retains both ends (94, 98) of the needle shielded. Ramps (130, 132) may be associated with the posterior lock position to prevent further translation of the insert (14) and reuse of the holder (10). For a reusable holder embodiment, the used double ended needle (94, 98) is retracted, safely enclosed and locked inside the cylinder (12).

Abstract: A sterilizing fluid passageway is defined by the annular space between a cylindrical injection needle and a surrounding cylindrical punch. A sterilizing fluid entry fitting allows the sterilizing fluid to be added to the passageway. In this manner, it will be understood that sterilizing fluid entering a fitting will travel through the passageway to clean the interior of a punch and an exterior of the needle. As an additional feature, however, the invention further comprises fluid exit openings that are adjacent to and partially above the lowermost portions of the punch, i.e., those portions that are most likely to enter an egg during injection. The openings permit a sterilizing fluid to travel from the entry fitting through the passageway and then to the exterior surface of the punch so that the sterilizing fluid sterilizes the passageway, the needle and both the interior and exterior portions of the punch that are most likely to enter an egg during injection.

Abstract: An obturating structure and a container provided with such an obturating structure and a syringe comprising a slidable obturating structure acting as a stopper; and a process for treating an obturating structure prepared at least from one elastomeric material and intended for a static or dynamic seal of a container holding a pharmaceutical or medical preparation, in which process at least the elastomeric part of the obturating structure is at least partially subjected to a treatment with elementary halogen or chemical compound(s) containing reactive halogen.

Abstract: A hypodermic syringe assembly has a hollow body having a neck centered on an axis, an elastomeric plug fitted in the neck and having an end projecting axially forward from the neck, a stiffening sleeve fitted over the plug and neck and having a collar fitting around the projecting plug end and itself projecting axially therepast, an elastomeric stopper fitted into the collar, and a protective cap fitted over the plug, sleeve, and stopper. A destructible connection between the cap and the sleeve retains the cap in place on the body over the plug, sleeve, and stopper. This cap is therefore only removable from the body by destruction of the connection. The protective cap is basically cylindrical and centered on the axis and has a front end wall generally transverse of the axis and an opposite rear end edge and the destructible connection extends annularly between the end edge of the cap and the sleeve.

Abstract: A syringe tip cap and a method for purging air from a syringe-like container containing air and hazardous liquid. The cap contains a hydrophilic filter which, when dry, allows air to pass through the filter. When the air is purged from the syringe, liquid from the container is pushed or drawn to the filter. The filter expands when wetted, seals the cap, and prevents further fluid flow. A flow restrictor may be included within the cap to concentrate the flow to only a portion of the filter to prevent premature sealing of the filter.

Abstract: The disclosure of this application is directed to a clean air tube which provides a constantly renewable source of purified air for loading into a medicament syringe prior to use of the syringe for withdrawing liquid medicament from a multi-dose vial. The tube is fitted with a clean-filtering membrane, through which ambient air is filtered upon being drawn into the tube. The disclosure also describes the sequence of steps involved in loading the syringe with clean-filtered air.

Abstract: Apparatus for storing prior to and after use, a hypodermic syringe which includes a hypodermic needle such that the chance of the spread of infectious disease is minimized.

Abstract: A disposable tray assembly forming a housing for an aspiration kit is disclosed. The tray assembly includes a base and an upper tray member sealingly connected to the base to define a sealed internal chamber or reservoir for extracted fluids. Access to the reservoir is provided by an elastomeric plug through which a needle may be inserted. A soluble capsule filled with disinfectant is in registry with the plug so that fluids discharged by the neeedle are subjected to the disinfectant.

Abstract: A sterilizable medical/dental syringe having a handle with a nozzle at one end is provided with means for releasably coupling the other end of the handle to a flexible supply hoses providing compressible gases and/or noncompressible liquids. When disconnected from the flexible hose supply line, automatic sealing valves prevent the contents of the supply line form escaping. A readily repairable flow control valve for the nozzle is also disclosed.

Abstract: Double-protected needle assembly comprising a needle-handle portion and a needle-protecting portion. The needle-handle portion includes a bevel-tipped needle attached to and extending from it into the needle-protector portion. The needle protecting portion comprises a rigid, tamper proof member completely enclosing the needle and attached to the needle-handle portion at a resilient tear seal member adapted to break when a twisting force is applied to either the handle portion or the protecting member. The tear seal is adapted to remove liquid from the surface of the needle when the protector is withdrawn to expose the needle. Within the protector, but not attached thereto, is a relatively soft inner tubular enclosure completely enclosing the needle extending beyond its bevel tip and adapted to prevent contact of the bevel tip with any portion of the rigid protector during assembly or when the protector is removed.

Abstract: A disposable needle system employing chemical disinfecting mechanism is disclosed. Both ends 13,14 of the needle are enclosed in individual spring biased, retractable sleeves 32,52 telescopically received within respective colinear tubular housings that support the needle structure. In use, sleeves 32,52 are retracted to expose needle ends 13,14 for respective insertion into the vein of a patient and for collecting the blood in a tube 71 or syringe 90. After use, the sleeves are returned to original position to again cover the needle ends and protect the user and any subsequent handler from exposure to accidental needle punctures. An additional precaution involves a disinfectant solution being dispersed into the tubular housings via passageway 66 and vial 75. Vial 75 is retained in the tubular housing by the tapered enlarged nozzle 79 being locked in passageway 66 to give a visual indication that the needle system has been used to thereby prevent inadvertent reuse.

Abstract: Connection for catheters, perfusion units and flasks containing liquids to be perfused, of the kind used when parenterally administering liquids, principally characterized in that it comprises a chamber containing an antimicrobian product between the components to be connected, that is to say, between the outlet of the container containing the liquid to be perfused and the perfusion unit, or between this latter and the entrance to the catheter, a hollow needle which traverses opposed penetrable wall portions of the chamber and the antimicrobian liquid therein.

Abstract: An irrigation kit for catheter irrigation and a prefilled piston syringe containing sufficient fluid for a unitary catheter irrigation. The syringe includes a catheter tip sized to operably connect to a conventional catheter tube and a cap on the tip removably mounted to selectively prevent escape of the fluid from the syringe when the tip is place. The kit further includes a disposable pouch for enclosing the filled syringe, the pouch and the filled syringe being sterilized after enclosure of the syringe herein.

Abstract: A method of utilizing an apparatus of the type comprising a vial container hazardous material in the vial container in a condition requiring a diluent to be mixed therewith to form the liquid solution, and an assemblage carried by the vial container for providing (1) a sealed medicament chamber within the vial container within which the hazardous material is disposed, (2) a filter vented control chamber and (3) a sealed variable volume control chamber between the vented control chamber and the medicament chamber. The method is such as to enable an open end of a syringe needle of a diluent syringe having a syringe chamber containing diluent in communication therewith to be moved into and withdrawn successively from the chambers so as to mix the diluent with the hazardous material. The method also contemplates procedures for separately refilling a dosage syringe and for relieving any residual pressure in the vial chamber with the use of an empty syringe prior to initial or final refilling of a dosage syringe.

Abstract: An automatic injector for injecting one or more different injection liquids, comprising a combination of a substantially cylindrical means containing a discharge mechanism and a plurality of cartridge elements. The cartridge elements comprise a piston in the substantially cylindrical means, a sealing stopper, a number of separating stoppers equal to one less than the number of the liquids, and a needle holder with injection needle. The needle holder comprises a stopper that is movable in the substantially cylindrical means and comprises a longitudinal bore. The injector comprises a by-pass means for injection liquid in front of the sealing stopper.

Abstract: This invention provides polymers containing radiochromic hindered phenolic stabilizers which are characterized by including a blue compound which interacts with the hindered phenolic during irradiation to provide a color change indicative of sterility.

Abstract: A disposable combination of a hypodermic syringe and needle has a sheath movably mounted on the syringe barrel to normally occupy a first position wherein the sheath extends to cover and protect the needle. In a second position of the sheath, relative to the barrel and needle, the needle is at least partially exposed. In a third position of the sheath, which is used for disposal of the syringe and needle combination, the needle is again covered by the sheath and preferably the sheath is irreversibly locked whereby abuse or misuse of the syringe and needle combination is substantially prevented. The sheath is made from a plastic material, such as styrene butadiene or acrylic styrene copolymer, which has a deflection temperature below the temperature required for heat sterilizing syringes. Consequently, upon attempted sterilization by heat, the sheath melts, thereby further rendering the combination usable only once.

Abstract: A syringe having a self-contained, sterile, medication impregnated swab by which to apply an anesthetic and/or antiseptic to a targeted tissue area of a patent prior to the administration of an injection at the target site. The swab is carried by and extended through the major flange of a hollow piston stem. A rotatable end cap is pivotally attached to the piston flange to surround the swab and preserve the sterility thereof. After the cap has been opened, the targeted tissue area swabbed, and an injection administered, an elongated body (the protective sheath which initially surrounds the needle cannula to preserve the sterility thereof and prevent an accidental needle strike) is inserted into and pushed distally through the interior of the hollow piston stem to correspondingly drive the swab therewithin. Accordingly, the swab is conveniently, safely and permanently retained within the hollow piston stem to be discarded with the syringe, after use.

Abstract: An operable syringe assembly includes a barrel having a chamber for retaining fluid. A proximal end of the barrel includes an aperture therethrough. A distal end of the barrel includes a passageway therethrough communicating with the chamber. A stopper is slidably positioned in fluid-tight engagement inside the barrel. A plunger rod, having an elongate body portion, engages the stopper to facilitate operation of the stopper. The body portion of the plunger rod extends outwardly from the proximal end of the barrel, through the aperture. A flexible cover is attached to the barrel covering the aperture and containing that portion of the body portion of the plunger rod protruding from the aperture. The cover is flexible enough and strong enough to allow movement of the plunger rod for operating the syringe without tearing. The cover acts as a barrier for helping to block the transfer of fluid and particulate matter between the chamber and the environment.

Abstract: A heat sterilized medical needle device having a needle cannula with a pointed distal end, a hub supporting a proximal end portion of the needle cannula at one end thereof and allowing connection of a tube at the other end thereof to allow communication between the tube and the needle cannula therethrough, and a protector comprising a hollow body with a closed distal end and an open proximal end and sealing a portion of the needle cannula which is exposed from the hub within the hollow portion thereof. The hub has a thin portion to be twisted and broken to disconnect the hub from the protector, and the hub is coupled to the protector to form a liquid-tight joint by blocking at a portion of the hub which is closer to the pointed end of the needle cannula than the thin portion.

Abstract: A blood microcollection container and associated lancet-collection assembly is provided for making a puncture wound, engaging the wound and rapidly receiving blood from the wound. The assembly incorporates a lancet together with a scoop arrangement for engaging the blood source, and for directing in a rapid and efficient manner the blood to a collection chamber. A two-position cap is provided for sealing the scoop collector of the assembly prior to use, and for permanently locking to the collector after use to prevent exposure of the lancet and collector to the person handling the blood sample, or contamination of the blood sample from outside sources.

Abstract: A culture collection instrument for use in animal husbandry includes a tubular swab holder adapted to receive an elongated rod having a swab element on its end and a tubular swab protector adapted to receive and hold the tubular swab holder. The tubular swab protector includes a scored portion thereon a predetermined distance from the end of the swab protector such that flexing of the swab protector predeterminely breaks the swab protector and swab element from the elongated rod to provide a sealed tubular holder for the cultured swab element.

Abstract: A cannula device has a hollow needle, and a hub which supports the hollow needle at the proximal end portion thereof and which is made of a hard plastic. A protector comprises a hollow body whose distal end is closed and whose proximal end is open and which is made of a hard plastic. The protector is detachably mounted on the hub such that the hollow body houses the hollow needle therein and the proximal end of the hollow body covers the distal end portion of the hub. A resilient layer is formed between the inner circumferential surface of the proximal end portion of the hollow body and the outer circumferential surface of the distal end portion of the hub.

Abstract: There is disclosed a needle assembly comprising a needle, a needle-retaining portion, a removable needle protector portion, and a resilient member for removing liquid from the surface of the needle which is disposed around the needle rearward of its point. The liquid removing member has a needle-accommodating opening with a diameter approximately that of the outside diameter of the needle. The member is contained within the needle protector portion and removable from the needle with the removal of the needle protector portion from the assembly. Also disclosed are blood bag systems comprising a donor bag and the aforementioned needle assembly.

Abstract: A syringe comprises a cylinder with a cannula embedded in the tip portion of the cylinder and a protector cap mounted on the tip portion for protecting the cannula. Prior art syringes in which the front end of the cylinder is in close contact with the rear end of the protector are difficult to gas-sterilize because the interior space between the protector and the tip portion is sealed. The cylinder tip portion is provided with at least one first rib or channel and the cylinder front end with at least one second rib or channel that together form a passage for fluid communication between the interior of the protector cap and the outside of the cylinder such that the syringe can be fully gas-sterilized with the protector cap mounted. The second rib(s) or channel(s) also functions to restrict the advance of the protector cap to prevent damage to the cannula.

Abstract: Semi-crystalline polymer having a narrow molecular weight distribution and having incorporated therein a non-crystalline mobilizing additive which increases the free volume of the polymer, with such a combination preventing embrittlement of the polymer during and subsequent to irradiation sterilization.

Abstract: A shield protector device for use with artificial insemination instruments and/or culture collection devices, consisting of an inner tubular portion movable relative to an outer tubular sheath protector portion, includes a cylindrical housing having a closed end, which is sealingly attached to the distal end of the outer tubular sheath protector portion. The closed end of the housing is scored to provide a break-away membrane when the closed end of the shield protector is engaged by the inner tubular portion to complete the insemination or culture collection process.

Abstract: A needle assembly preferably suitable for single sample blood collection and for determining vein entry when collecting a blood sample from a patient into a vacuum collection device. This assembly includes a housing with an interior chamber having a blood inlet needle on one side of the housing and a blood outlet needle on the other. The outlet needle extends interiorly into the chamber, is open at its distal end and includes a side hole therethrough. A vent plug covers the side hole by surrounding the outlet needle inside the chamber, while a sealant plug covers the open end of the outlet needle. This arrangement prevents liquid from flowing into the holes while allowing gas to flow through the vent plug into the side hole for escape from the assembly whereby the prevented liquid may then be viewed by a user through a transparent portion of the housing.

Abstract: There is disclosed a needle assembly comprising a needle, a needle-retaining portion, a removable needle protector portion, and a resilient member for removing liquid from the surface of the needle which is disposed around the needle rearward of its point. The liquid removing member has a needle-accommodating opening with a diameter approximately that of the outside diameter of the needle. The member is contained within the needle protector portion and removable from the needle with the removal of the needle protector portion from the assembly. Also disclosed are blood bag systems comprising a donor bag and the aforementioned needle assembly.

Abstract: A system for the preparation of parenteral nutrient solutions from two or more substrates such as amino acids and carbohydrates in a virtually aseptic environment. A closed system is formed with the substrate supply containers, incorporating conduit extending from each supply container and connected to the inlet of a multiple transfer valve, a dosing syringe secured to the inlet/outlet connection of the transfer valve and a flexible mixing container secured to the outlet of the transfer valve. Each conduit includes a tube clamp such that each conduit is individually communicable with the transfer valve. With the suction stroke of the syringe plunger, fluid is drawn from one of the supply containers into the syringe. As the solution is ejected from the syringe it exits the outlet of the transfer valve and enters the mixing container.