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| Number | Title | Issue Date |
| 4869720 | Hypodermic syringe assembly A hypodermic syringe assembly includes an elongated container and a cup shape molded piston longitudinal movable in the container. The container has a sidewall, a needle receiving end, and a piston receiving end which terminates in a rim. The piston has a... | 09/26/1989 |
| 4863427 | Syringe for injections, especially intravenous made to be used only once, without any possibilityof re-aspiration In a syringe for injections, especially intravenous --being realized so as to be used only once and comprising a body making up the cylinder to which the needle is fitted, a piston sliding in said cylinder and a piston handling member (stem) for recalling... | 09/05/1989 |
| 4863072 | Single hand operable dental composite package Apparatus for the delivery of light-curable composite dental filling material comprises a tubular composite reservoir, plunger and slider. The slider is free to move longitudinally along the reservoir but is matingly mounted to facets on the outside surfa... | 09/05/1989 |
| 4852768 | Dosing syringe A dosing syringe has a cylindrical syringe body which at its tapering end has a dispensing orifice and at its other end a stepped cylindrical enlargement with two opposing handles. A recess is located below each handle, and a piston is inserted into the c... | 08/01/1989 |
| 4850979 | Holding and handling device of a syringe The invention relates to a holding and handling device of a syringe, which comprises a handle (1), a holding portion (2), two parallel guiding rods (3) rigidly linking the handle and the holding portion, and a gripping member (10) slidably axially mounted... | 07/25/1989 |
| 4826484 | Disease control syringe having a retractable needle A disposable disease control syringe which reduces the frequency of accidental needle strikes to health care workers and prevents health-threatening reuse of the needle cannula by drug abusers. The syringe includes a cylinder having an open proximal end, ... | 05/02/1989 |
| 4775363 | Arrangement in injection syringe for use once only In an injection syringe for use once only the piston rod (4) is connected to the piston (3) by claws (9) which upon pressing of the piston rod (4) against the piston (3) during injection break or become deformed to such an extent that it is no longer poss... | 10/04/1988 |
| 4775364 | Non re-useable disposable hypodermic syringe There is described a single use disposable hypodermic syringe which has a hollow cylindrical body closed at its front end and open at its rear end. A hypodermic needle is mounted in the closed end of the barrel eccentrically of the longitudinal axis there... | 10/04/1988 |
| 4759750 | Pressure sensing syringe A syringe for providing a tactile signal to a person who is directing a fluid to a vein of a patient, for local anesthesia administration where a specific infusion pressure should not be exceeded, and other uses where delivery pressure is critical. A bias... | 07/26/1988 |
| 4738664 | Pistol grip syringe A pistol grip syringe (10) with a removable fluid container (16) is described. A piston (18) in the container separates from a driving rod (19) when the container is removed from the collar (56). The container is removed from the collar by turning one-qua... | 04/19/1988 |
| 4711250 | Hand-held medical syringe actuator device The invention is directed toward a hand-held syringe actuator and removable syringe. The syringe acutator includes a stationary part which removably receives a flange of the syringe barrel and a movable finger part which removably receives a flange at the... | 12/08/1987 |
| 4705509 | Power syringe with volume reducing adapter A syringe for a power injector has an adapter with engaging and gripping means for being secured to the machine grippable protrusion of a backer plate of the piston of the syringe. The rear end of the adapter has a machine grippable protrusion so that the... | 11/10/1987 |
| 4704105 | Disposable plastic syringe for medical use and plastic barrel, especially for disposable syringes Disposable syringe made of plastics, for medical purposes, consisting of a barrel (1), a piston (2) provided with a plunger shaft (3) guided at a distance from the barrel wall, and a closure cap (4), the piston (2) being releasably joined to the plunger s... | 11/03/1987 |
| 4701165 | Reusable syringes A reusable syringe has a push rod with a threaded entrance hole in its tip end. The threaded hole leads into an inner capture area. A shot package includes a glass tube with a plunger having a stud with an interrupted thread for passing through the thread... | 10/20/1987 |
| 4699614 | Non-reusable syringe A non-reusable syringe comprising a barrel having an open end and a restricted end, a piston slidably positioned within the barrel and forming a liquid-tight seal with the interior of the barrel, a shaft freely slidable within the barrel and extending bey... | 10/13/1987 |
| 4678107 | Dripless dispenser for liquids and viscous fluids A dispenser for liquids and viscous fluids has a syringe-like device with a barrel for containing fluid and a nozzle at one end. The plunger is movable axially in the barrel for discharging the fluid. At the inner end of the plunger is a flexible, elastic... | 07/07/1987 |
| 4677980 | Angiographic injector and angiographic syringe for use therewith An angiographic injector has an injector portion which includes a rotating turret for housing two angiographic syringes in readiness for injection. The injector further employs a driving mechanism for connecting with and controlling the movement of a syri... | 07/07/1987 |
| 4648872 | Volumetric pump with replaceable reservoir assembly An infusion pump has a removable reservoir including a piston and drive member. The drive member is an internally threaded elongated portion of the piston. A motor rotates a short drive screw, which engages the threads of the drive member to displace the ... | 03/10/1987 |
| 4643198 | Cap for a tube for extracting blood A blood extraction cannula cap is provided with a skirt which can be inserted over a tube for receiving the blood, the upper portion of the skirt being closed and having a cannula bore for receiving a needle and a push button resiliently mounted on the en... | 02/17/1987 |
| 4636202 | Medicament applicator with plunger assembly and automatically-openable closure therefor A compact, prefilled, ready-to-use, applicator for dispensing a medicament within a body cavity has a reservoir, an automatically-opening closure member and a telescoping plunger assembly. A closure member is disclosed, adapted to open responsive to the p... | 01/13/1987 |
| 4636198 | Power syringe with volume reducing adapter A syringe for a power injector has an adapter with engaging and gripping means for being secured to the machine grippable protrusion of a backer plate of the piston of the syringe. The rear end of the adapter has a machine grippable protrusion so that the... | 01/13/1987 |
| 4634431 | Syringe injector A syringe injector for injecting liquids into patients comprising a syringe barrel with a slidable piston therein and a driver slidably extending into the barrel bore from the open end thereof behind the piston, where the driver includes a power supply an... | 01/06/1987 |
| 4632669 | Pressure indicating medical injection gun A medical pressure indicating injection gun for injecting fluid into a balloon catheter, with a visual indication of the balloon pressure. The injection gun includes a barrel adapted for attachment thereto the body of a syringe, and a bracketed coupling s... | 12/30/1986 |
| 4562844 | Multipurpose syringe A multipurpose syringe for obtaining a blood sample and for storing and shipping it having a barrel (10), a plunger (32), and a rod (36), and means (40) (42) (44) for locking the plunger in retracted position.... | 01/07/1986 |
| 4543093 | Variable sealing pressure plunger rod assembly A plunger rod assembly for use with a syringe barrel comprises a plunger rod and a flexible thermoplastic stopper. A plunger rod includes an elongate shaft portion defining a longitudinal axis and having a tapered tip portion at the distal end thereof. Th... | 09/24/1985 |
| 4507117 | Syringe apparatus with retractable needle A syringe apparatus having a syringe barrel open-ended on a first end for receiving a piston therewithin for movement down the syringe barrel, and having on the second end a constricted neck portion with a bore therethrough in communication with the bore ... | 03/26/1985 |
| 4500310 | Variable sealing pressure plunger rod assembly A variable sealing pressure plunger rod assembly for use with a syringe barrel comprises a plunger rod and a flexible stopper. The plunger rod includes a rigid elongate shaft portion having a circular tapered tip portion at the distal end thereof. The fle... | 02/19/1985 |
| 4459997 | Blood extracting and centrifuging device A blood extracting and centrifuging device has a cylindrical body 1 with front and rear ends 2, 3. The front end is adapted to receive a removable cannula 4 and a piston 8 is sealingly movable within the cylindrical body 1. A piston rod 9 attached to the ... | 07/17/1984 |
| 4333458 | Self-aspirating syringe with positively engaged locking collet A hypodermic syringe of the automatic, or self-aspirating, type for use in combination with cartridge ampoules closed at one end by a diaphragm pierceable by a double-ended hypodermic needle and closed at the other end by a slidable piston consists of a s... | 06/08/1982 |
| 4323066 | Syringe Apparatus for injecting or aspirating a fluid, including a liquid or paste. The apparatus includes a first piston adapted to be in direct contact with the fluid; and a second piston comprising a shaft adapted to coact with the first piston. The second pis... | 04/06/1982 |
| 4252118 | Non-reusable drug prefilled syringe assembly and method of use A non-reusable prefilled syringe for a single administration of a drug solution. The syringe has a plunger for expelling the solution which is detachably fitted with an elastomeric cap. The syringe allows for a pre-vein test but is not adapted for reuse. ... | 02/24/1981 |
| 4192919 | Blood sampling and culturing kit A blood sampling and culturing kit for use with blood culture bottles containing a culture media under vacuum and evacuated specimen tubes. The kit includes a sterile blood collector tube assembly for transferring a blood sample from a patient into the bl... | 03/11/1980 |
| 4180069 | Plunger rod and piston for a syringe A plunger rod and piston for a syringe which are easily and quickly assembled with a minimum force. The plunger rod has a tip of truncated "christmas tree" shape and the piston, which is of a flexible resilient material, has a pocket of complementary shap... | 12/25/1979 |
| 4159713 | Blood gas syringe The disclosure is of an improved blood gas syringe, particularly a self-filling arterial blood gas syringe. In one embodiment, the improved syringe comprises a conventional syringe barrel, a plunger rod and an elastomeric piston at the bottom of the plung... | 07/03/1979 |
| 4057050 | Devices for extracting blood Devices for extracting blood which comprises a cylinder having at one end a removable closure member carrying a connection piece for a cannula and an end wall at the other end. A piston is guided in the cylinder in an air-tight manner and a piston rod gui... | 11/08/1977 |
| 3985122 | Multi-piston syringe device A syringe device having smaller and larger, coaxially aligned cylinder bores each provided with respective pistons. The larger rearmost piston is in slidable sealing engagement with its bore but is free-floating on the syringe plunger shaft so that as the... | 10/12/1976 |
| 3943926 | Wholly disposable dental type syringe The present invention refers to an improved, wholly disposable dental type syringe, comprising: a hollow, transparent cylindrical body which includes one open end having integral ears, and the other end closed, in which latter end is mounted a needle for ... | 03/16/1976 |
