171 results about "Tubex" patented technology

A syringe assembly includes (1) a syringe barrel defining a chamber; (2) a plunger mounted in the chamber and moveable with respect to the barrel; and (3) a cap assembly containing a cap and an absorbent material is removably attached to the plunger. A strip package includes at least two cap assemblies. Each of the cap assemblies includes a cap holder and an antiseptic cap positioned in the cap holder. The antiseptic cap includes a sidewall defining a chamber and an antiseptic substance within the chamber. A strip extends over at least two cap assemblies. The strip includes a first seal engaged to the cap holder and a second seal engaged to the antiseptic cap.

Provided herein is a blood draw syringe connectable to a vascular access device for performing a blood draw. The blood draw syringe includes a syringe barrel and a plunger assembly. The plunger assembly includes a plunger rod and a stopper positioned at the distal end of the plunger rod, with the plunger assembly moveable within the syringe barrel to move the stopper between a starting position and a stop position, with a first volume provided in the chamber with the stopper at the starting position and a second volume provided in the chamber with the stopper at the stop position. The syringe is configured to enable pre-setting of the plunger assembly within the syringe barrel prior to a blood draw, with the stopper being positioned at the starting to provide a first volume that limits a maximum vacuum pressure in the syringe barrel during the blood draw.

A syringe assembly void of silicone is disclosed. The syringe assembly includes a syringe plunger and a syringe barrel. The syringe plunger includes a handle and a plunger tip. The plunger tip includes a wiper extending from a hinge configured to allow the wiper to flex proximally and distally. The wiper includes a proximal circumferential seal and a distal circumferential seal. The proximal circumferential seal is configured to seal against an internal surface of the syringe barrel when the syringe plunger is displaced proximally and a negative pressure is generated within the syringe barrel. The distal circumferential seal is configured to seal against the internal surface of the syringe barrel when the syringe plunger is displaced distally and a positive pressure is generated within the syringe barrel. The syringe barrel includes internal detents to retain the syringe plunger within the syringe barrel.

A glass syringe barrel is provided that has an at least partially conically shaped upper portion and a longitudinal axis. The glass syringe barrel has a top end through which a liquid can be ejected and a bottom end into which a plunger stopper can be pushed. The glass syringe barrel includes, in a direction from the top end to the bottom end, a cone, a shoulder region, and a body region. The shoulder region has and outer contour that has a concave and substantially circular arc-shaped area c1 with an outer radius r1. The outer contour of the glass syringe barrel in the shoulder region is defined by a certain minimum value the radius of curvature.

Embodiments of syringes and components thereof described herein provide reduced compliance from flexing or deformation, of not only the syringe barrel but also of the syringe plunger rod and plunger seal. Embodiments of syringes and components thereof described herein also provide improved sealing between the barrel and the syringe plunger rod, and improved resistance to pressure. Embodiments of syringes and components thereof described herein are advantageously suited for use with an infusion pump which may subject syringes to many start / stop operations over a period of hours, sometimes at very low flow rates.

Dual chamber syringes facilitate selective drug mixing, dosing and administration through catheters or other vascular access devices (VADs), as well as pre-or post-administration irrigation of catheters with a single syringe instrument. A syringe barrel includes an outlet (such as a luer connector), variable volume axial series primary and secondary fluid chambers having nested respective plungers, plunger rods selectively translatable along a common axis within the barrel interior, and plunger plugs. A secondary fluid chamber is included within the primary plunger. A selectively resealable valve disposed within the barrel interior selectively isolates the secondary fluid chamber from fluid communication from the primary fluid chamber and / or the outlet of the syringe barrel. In some embodiments, the valve is a duckbilled valve or an umbrella-shaped valve. In some embodiments, the syringe is pre-packaged with a rinsing solution in the secondary fluid chamber.

A syringe plunger rod (100) extending along a central longitudinal axis (A) includes a distal sealing plug (102) for sealing engagement with the syringe barrel (200) and a proximal elongated shaft (103) with a proximal end (104) adapted to receive a force applied along the longitudinal axis (A). The sealing plug (102) is made of a resilient material, and the sealing plug distal face (105) includes a concentric step (106) that is laterally elevated. A syringe barrel (200) is also provided. The syringe barrel (200) includes a needle hub (204) with a longitudinal needle press-fit channel (206). The press-fit channel (206) is flush with the distal plunger socket wall (202) such that the press-fit channel (206) extends proximally into the volume (V). A hollow needle (205) is press-fit into the press-fit channel (206).

Provided herein is a blood draw syringe connectable to a vascular access device for performing a blood draw. The blood draw syringe includes a syringe barrel and a plunger assembly. The plunger assembly includes a plunger rod and a stopper positioned at the distal end of the plunger rod, with the plunger assembly moveable within the syringe barrel to move the stopper between a starting position and a stop position, with a first volume provided in the chamber with the stopper at the starting position and a second volume provided in the chamber with the stopper at the stop position. The syringe is configured to enable pre-setting of the plunger assembly within the syringe barrel prior to a blood draw, with the stopper being positioned at the starting to provide a first volume that limits a maximum vacuum pressure in the syringe barrel during the blood draw.

A syringe barrel includes a connection blocking member that blocks the connection of another medical tool to a tip portion and / or a collar portion. An inner surface of the collar portion including a barrel-side threaded portion and an outer surface of a cylindrical main body portion including a blocking member-side threaded portion include a rotation restricting engagement portion that is partially engaged when the barrel-side threaded portion and the blocking member-side threaded portion are screwed together and restricts rotation of the connection blocking member in the collar portion in the screwing release direction.

A syringe (1) has a longitudinal portion (5), in which a piston (10) is guided in a movable manner, which closes the syringe cylinder (5) at one end and which is movable by means of a piston rod (9). On the distal side, a connection (4) is provided for fitting an injection needle (11) at the other end of the syringe cylinder (5). For reducing the dead volume, the piston (10) is displaceable beyond the distal end of the connection (4).

To provide a grip for a syringe barrel capable of achieving higher sterility in a state of being attached to a syringe barrel, a barrel assembly and a syringe including such a grip for a syringe barrel.SOLUTION: A grip 30 for a syringe barrel to be attached to a syringe barrel 20 that includes a tubular body 21 and a flange 22 provided on the tubular body 21 and projecting outward, includes: a flange receiving portion 33 configured to receive the flange 22; and a side wall portion 32 extending in a distal end direction from the flange receiving portion 33 and configured to partially cover a proximal end portion of the tubular body 21 adjacent to the flange 22. The side wall portion 32 includes: a fitting portion 34 configured to be fitted to the proximal end portion of the tubular body 21; and an airflow portion 35 configured to allow a sterilization gas to flow to an outer surface of the tubular body 21 covered with the side wall portion 32.SELECTED DRAWING: Figure 2

A syringe assembly includes a syringe barrel having a proximal end and a distal end, a needle hub supporting the needle and coupled to the distal end of the syringe barrel. An adapter is coupled to the hub where the needle extends from the adapter to define a length of the needle for injection as substance into the patient. The adapter has a diameter greater than a diameter of the syringe and has a distal face with a shape and dimension configured for controlling the depth of penetration of the needle into the patient and a proximal face forming a finger grip.

The invention relates to the technical field of medicine packing materials, in particular to a filling process of a novel aripiprazole double-cavity pre-filling syringe, and a syringe barrel of the novel double-cavity pre-filling syringe is made of COP / COC materials; comprising the following steps of sterilization, middle plug placement, sterile filling, freeze drying, plug pressing and assembling, and a complete double-cavity pre-filled syringe is obtained.The filling process combines high strength and heat conduction uniformity of COP / COC materials, in-situ freeze-drying in the syringe is achieved, the step of powder transfer after freeze-drying of a traditional penicillin bottle is avoided, and the production efficiency is improved. According to the present invention, the sterile risk and the production cost are significantly reduced, the manufacturing process is simplified, the equipment complexity and the product loss are reduced, and the high dose accuracy and the yield are ensured.

Disclosed herein are pneumatic syringes and associated systems and methods. A pneumatic syringe in accordance with the present technology can include a syringe barrel, a pneumatic barrel, and a plunger assembly extending between and movably positioned within the syringe barrel and the pneumatic barrel. The pneumatic syringe can further include a control unit configured to direct a flow of pressurized fluid from a fluid source into the pneumatic barrel to cause the plunger assembly to move between a withdrawn position and a depressed position within the syringe barrel. To move to the withdraw position, the control unit can direct the flow of pressurized fluid into a distal chamber of the pneumatic barrel to drive the plunger assembly proximally. To move to the depressed position, the control unit can direct the flow of pressurized fluid into a proximal chamber of the pneumatic barrel to drive the plunger assembly distally.

The utility model relates to the field of medical equipment, in particular to an artery puncture needle which comprises a syringe barrel, a plunger and a puncture needle, the hollow puncture needle is arranged in the plunger, the front end of the syringe barrel is connected with a needle sleeve, and the rear end of the syringe barrel is provided with a sealing device capable of being opened and closed. A branch tube is arranged at the front end of the syringe barrel, a sliding cavity, a sliding rod, a spring and an indicating ring are arranged in the branch tube, and whether puncture succeeds and enters an artery blood vessel can be judged according to whether the indicating ring slides out of the indicating cavity. A side hole is formed in the middle of the puncture needle, so that contrast agent injection and needle point observation are facilitated. The needle point of the puncture needle is bent towards the needle eye to prevent puncture of the opposite-side blood vessel wall. The sealing device adopts a silica gel sealing valve, so that the leakproofness during puncture is ensured, and the subsequent operation is facilitated. A push handle is arranged at the tail of the plunger to facilitate injection of contrast agents. A bolt column is arranged on the outer wall of the syringe barrel, a fixing groove is formed in the outer side of the plunger, the position of the plunger can be fixed according to the contrast agent amount, and puncture and contrast agent injection are facilitated. The artery puncture needle is convenient to use, good in sealing performance, clean and sanitary, whether puncture succeeds or not can be accurately judged, and unnecessary vascular injury is reduced.

An apparatus includes a first member (500) and a second member (600). The first member is configured to receive a portion of a syringe barrel and includes a first stop surface (530). The second member includes a second stop surface (630). Each stop surface is configured to engage the portion of a plunger to thereby arrest longitudinal movement of the plunger relative to the syringe barrel. The second member is operable to move relative to the first member from a first position to a second position. The second member remains coupled with the first member while in both the first position and the second position. The second stop surface engages the portion of the plunger when the second member is in the first position. The second stop surface does not prevent the portion of the plunger from reaching the first stop surface when the second member is in the second position.

The utility model relates to the technical field of medical auxiliary instruments, in particular to an empty needle auxiliary suction device for amniotic fluid puncture, which comprises a support arm, a connecting seat and a drawing mechanism, the connecting seat is arranged at the free end of the support arm, and the drawing mechanism is arranged at the bottom of the connecting seat; the drawing mechanism comprises a fixed body and a movable body which are oppositely arranged, a mounting cavity is formed in the fixed body, a suction assembly is arranged in the mounting cavity, and the suction assembly is connected with a piston rod of the injector and used for upwards drawing the piston rod; the opposite side walls of the fixed body and the movable body are each provided with a clamping groove used for being connected with a lug plate on the upper portion of an injector barrel. The movable body is arranged on the connecting base in a sliding mode, an elastic piece is further arranged on the connecting base, and the elastic piece is connected with the movable body and used for pushing the movable body to move in the direction of the fixed body. The fixing device can solve the technical problems that an existing fixing device is inconvenient to disassemble and assemble an injector quickly and cannot be suitable for injectors of different specifications.

The utility model discloses an ion chromatograph for organic halogen detection, which relates to the field of chromatographic instruments, and adopts the technical scheme that the ion chromatograph comprises a chromatographic instrument main body and a sample inlet arranged on the chromatographic instrument main body, a connecting frame is fixedly mounted on the outer side wall, close to the sample inlet, of the chromatographic instrument main body through an abutting part, and a containing cavity is formed in the top of the connecting frame. An injector filled with liquid to be detected is placed in the containing cavity, the needle head part of the injector is embedded into the sample inlet, the cylinder part of the injector is clamped and installed through the clamping assembly, meanwhile, the plunger rod part of the injector is close to the sample feeding mechanism, then the sample feeding mechanism is moved in the direction close to the chromatographic instrument body, and the injector is clamped and installed through the clamping assembly. According to the invention, the liquid in the injector can be pushed into the chromatograph main body at a constant speed until the sample feeding mechanism pushes and presses the plunger rod part of the injector, so that the liquid injection process of the injector is controlled, the injector does not need to be manually pushed and injected, and the energy of an operator when the injector is pushed and injected can be saved.

The invention relates to a centrifugal syringe (1) comprising a syringe barrel (2) and a syringe plunger (3) which can be axially displaced in the syringe barrel (2), whereby a receiving volume (4) enclosed by the syringe barrel (2) and the syringe plunger (3) is formed for bodily fluids, preferably blood (5); wherein the syringe plunger (3) has a plunger sealing portion (8) and a plunger rod (9) non-removably formed on the plunger sealing portion (8); wherein the syringe plunger (3) has a channel (15) extending axially through the plunger sealing portion (8) and the plunger rod (9) for a fluid connection between the receiving volume (4) and an extraction opening (16) at an end of the plunger rod (9) facing away from the receiving volume (4); and wherein the syringe plunger (3) has a length such that the extraction opening (16) is substantially arranged at an end of the syringe barrel (2) opposite the receiving volume (4) or protrudes from the syringe barrel (2) with the syringe plunger (3) in the position having the minimum receiving volume (4) in the syringe barrel (2).

The invention provides a medical syringe needle separating device, and relates to the technical field of syringe needles. The device comprises a clamping mechanism, the clamping mechanism comprises a rotatable rotating disc, a plurality of barrel grooves are formed in the edge of the rotating disc, a clamping assembly is arranged on the rotating disc on the lower portions of the barrel grooves, a cutting mechanism conducts needle cutting on an injector clamped by the clamping mechanism, the cutting mechanism comprises a stand column, a fixed blade is arranged on the stand column, and a movable blade is arranged on the stand column in a sliding mode. The cylinder groove is matched with an injector cylinder in shape, the clamping assembly clamps or loosens an injector in the cylinder groove, the blade point of the fixed blade and the blade point of the movable blade are oppositely arranged, and a driving source for driving the movable blade to slide in a reciprocating mode is arranged on the side portion of the movable blade. And the syringe needle in the cylinder groove passes through the position between the blade points of the fixed blade and the movable blade along with the moving track of the turntable. The syringe needle is cut off to achieve needle separation, manual operation is not needed, and personnel infection is avoided.

A separation syringe assembly comprising a syringe barrel assembly and a plunger assembly, the syringe barrel assembly having an outer wall in the form of a hollow cylinder, and a cap provided at the distal end of the syringe barrel assembly; the plunger assembly providing a first plunger and a second plunger, the first plunger is a hollow barrel enclosed to form a container, the second plunger provides a cylindrical body with an open distal end and concentrically aligned outside of the first plunger. The separation syringe is configured to be rotated about the longitudinal axis and thereby separate the contents within the hollow cylinder of the syringe barrel assembly into at least two concentric annular layers.

To provide a syringe which is excellent in handling of an injection needle, eliminates danger before and after use and anxiety in terms of hygiene, and eliminates anxiety of invasion by the injection needle even during use.SOLUTION: The syringe is composed of a syringe barrel 1, a gasket 2 with a needle, and a plunger 4 mounted with a gasket 3. In the syringe barrel 1, a container body 11 and a protection body 12 are integrally formed, and the protection body 12 is separated from a connection part 13 by cleavage for use. The injection needle 22 is housed in the container body 11, and by operating the plunger 4 at the time of use, the injection needle 22 is exposed to the outside of the container body 11 and inoculated into the skin. At this time, the two projections 11C1 and 11C2 at the tip of the vessel body 11 come into contact with the skin and press the skin to such an extent that the epidermis and the dermis are not attacked, thereby giving pains different from the pains caused by the injection needles 22 and disguising the pains to reduce the pains caused by the injection needles 22. After use, the needle-equipped gasket 2 is returned into the container body 11 again to accommodate the injection needle.SELECTED DRAWING: Figure 2

A disposable medical syringe has a syringe lock that prevents repeated syringe aspiration and dispensing fluid to a patient. A pivoting syringe lock is coupled to the proximal open end of the syringe barrel. The syringe lock has one or more cantilevered latches in continuous, biased, sliding, abutting contact with the plunger. Upon full advancement of the plunger within the syringe barrel, each latch engages a corresponding plunger stop that is oriented on a proximal end of the syringe plunger. When each latch is engaged in its corresponding plunger stop, the plunger remains locked in an advanced position within the syringe barrel. In some embodiments, a removable plunger clip is coupled to the syringe to prevent inadvertent advancement of the plunger into the syringe barrel and premature locking of the syringe prior to administration of a medicament to a patient.

The utility model discloses a urethra dosing device which comprises a dosing tube, one end of the dosing tube is fixedly communicated with an infusion tube, the tail end of the infusion tube is fixedly communicated with a rubber sleeve, the inner surface of the rubber sleeve abuts against a disposable bottom tube, and the top of the disposable bottom tube is provided with a plurality of disposable capacity increasing tubes. The disposable bottom tube and the disposable capacity increasing tubes can be combined into a complete syringe barrel, and a piston body is arranged on the inner wall of the syringe barrel in a sealed and sliding mode. By means of the infusion tube, the rubber sleeve, the disposable bottom tube, the disposable capacity increasing tube, the piston body, the piston rod, the supporting base and the electric lifting assembly, when the dosing amount is increased, the capacity of the syringe barrel can be increased, the medicine liquid bearing capacity can be increased, follow-up medicine liquid supplementing is not needed, and the influence on the dosing efficiency is avoided; meanwhile, the injury and the discomfort caused to the urethra of the patient are also reduced.

A plunger rod for use with a syringe having a syringe barrel. The plunger includes an elongated body having a proximal end, a distal end opposite the proximal end, a central axis extending between the proximal end and the distal end, a first curved end face, a second curved end face, and a junction joining the first curved end face to the second curved end face. Each of the first curved end face, the second curved end face, and the junction extend between the proximal end and the distal end. The first curved end face and the second curved end face together are included in a circle defined by an outer periphery of the elongated body.

This article is a finger grip for a syringe that is attached to the flange of a syringe barrel (syringe) and is used as a finger rest when operating the syringe.

This document describes a syringe having two variable volumes. The syringe includes a first stopper and a second stopper, with the first stopper connected to a plunger. A first variable volume is located between the first and second stoppers, and a second variable volume is located between the second stopper and a distal end of a syringe barrel. A flow path structure is located at the distal end of the barrel and extends from the distal end of the barrel along the inner side wall of the barrel.

A method and apparatus for controlling and visually, audibly, and tactilely communicating the administration of discrete unit doses of material dispensed from a syringe through use of a modified plunger having a geometric profile corresponding to a unit dose. This profile engages with the syringe barrel in a manner that creates noise and vibration as each unit dose is administered. The profile may take the form of peaks and valleys or teeth. Alternatively, the plunger profile may be threaded and may include a channel along the plunger's longitudinal axis.

The present invention relates to an RDID tag enabled needle shield assembly that provides a sterile enclosure of an injection needle and that can be fixedly attached to a pre-filled syringe for administering an injection of medicament to a patient after removal of the needle shield assembly. The RFID tag is fixedly attached to the needle shield through co-molding or another form of permanent attachment. The present invention also relates to a method of tracking the life cycle of a medicament injection device where the RFID tag enabled needle shield assembly is attached to an injection needle that is connected to a syringe barrel that is part of an injection device. Data is written to or read from the RFID tag during the entire life cycle of the injection device, including assembly, packaging, storing, distribution and use.

Syringe assemblies are provided including a partially pre-filled syringe barrel and a plunger rod that incorporates one or more retention elements on the plunger rod that prevents solution from entering a non-sterile area of the syringe when the plunger rod is pulled back. Methods to manufacture a sterilized partially-filled pre-fill syringe assembly are also disclosed.