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| Number | Title | Issue Date |
| 7470260 | Administration device comprising a plunger rod with a return lock An administering apparatus including a casing, a reservoir, a piston accommodated in the reservoir such that it can be shifted in an advancing direction, a piston rod which acts on the piston in the advancing direction and forms a first locking mechanism, a second l... | 12/30/2008 |
| 7351227 | Device for protecting a syringe, in particular for a syringe used for injecting radioactive product (s) A syringe protecting device includes a casing (9) made of a material protecting against radiation, adapted to cover the syringe cylindrical body (3), which casing (9) is associated with a structure (10) likewise made of a material protect... | 04/01/2008 |
| 7264612 | Syringe barrel with guide Since this syringe has projections provided on the rear surface of a flange of a syringe barrel, when it is inserted in an insertion groove of a cylinder holder, the tips of projections are compressed and the flange is fixed. Consequently, even when a solution havin... | 09/04/2007 |
| 7253142 | Protein solution preparation and method of stabilizing the same The present invention provides stable protein solution formulations filled in a container made from a hydrophobic resin at least for the part in direct contact with said formulation. ... | 08/07/2007 |
| 7118550 | Side-delivery suppository dispenser A dispenser for delivering a suppository within a body cavity. The dispenser has two main components: a barrel and a plunger. The barrel includes a head, a foot, and a body having a length and extending between the head and the foot. The barrel further defines an ax... | 10/10/2006 |
| 7018365 | Threaded syringe with quick stop A threaded syringe provides a mechanism by which a clinician can deliver a viscous fluid through a relatively small lumen and can obtain tactile or audible feedback of delivery. The threaded syringe allows for delivery of more viscous fluids with less force and/or a... | 03/28/2006 |
| 6945962 | Sequential syringe apparatus A medical sequential syringe apparatus has two or more fluids of predetermined volume dispensed therefrom. The apparatus includes a tubular cartridge containing fluid is sealed at one end by a membrane with a hollow tubular spike mounted at one end of the body facin... | 09/20/2005 |
| 6692472 | Injection device, a preassembled dose setting and injection mechanism for an injection device, and a method of assembling an injection device An injection device made up from a housing, a dose setting and injection mechanism, a dose setting member and an injection button is described. The dose setting and injection mechanism is made as a preassembled unit insertable into the housing. Both the d... | 02/17/2004 |
| 6599269 | Single-use syringe A syringe assembly includes a barrel having a chamber for retaining fluid. The barrel has an open proximal end, a distal end and an elongated tip extending from the distal end having a passageway therethrough in fluid communication with the chamber. The t... | 07/29/2003 |
| 6585696 | Method and apparatus for applying a medically useful multiple component material An applicator gun for spraying a medically useful multiple component fluid to an area of interest. The handheld applicator gun functionally receives a commercially available or standardized multi-syringe applicator, and dispenses fluid from the multi-syri... | 07/01/2003 |
| 6478779 | Assembly of needle holder and barrel of safety syringe A safety syringe comprises a barrel having a retaining block disposed in the receiving hole, an initial stop portion and a final stop portion disposed in the end edge thereof, and a rotation resisting portion; a needle holder disposed in the barrel, and h... | 11/12/2002 |
| 6129894 | Device for taking swab samples and sample dilution A device is provided for taking swab samples and sample dilution. The device has a plug made of a porous, absorbent material, which projects from a sleeve and is used to take a swab sample. The plug is located in one end of the sleeve. A piston, which can... | 10/10/2000 |
| 6096010 | Repeat-dose medication delivery pen A medication delivery pen having a repeat-dose feature that is performed by using a pull-push operation. In particular, the medication delivery pen includes means for whether the medication delivery pen is armed and a variety of novel drive mechanisms. In... | 08/01/2000 |
| 5989219 | Single-use syringe A syringe assembly comprises a barrel having an inside surface describing a chamber for retaining fluid. The barrel includes an open proximal end and a distal end with an elongated tip extending therefrom having a passageway therethrough in fluid communic... | 11/23/1999 |
| 5961495 | Medication delivery pen having a priming mechanism A medication delivery pen having a repeat-dose feature that is performed by using a pull-push operation. In particular, the medication delivery pen includes means for determining whether the medication delivery pen is armed and a variety of novel drive me... | 10/05/1999 |
| 5733261 | Single use locking syringe A locking syringe is disclosed which comprises a plunger, a cylinder, and a locking member for preventing the syringe to be used more than one time. The plunger includes an indention near its upper end into which a plunger locking member fits when the plu... | 03/31/1998 |
| 5690618 | Electronic syringe An electronic syringe for use in administering anesthetic and the like injections or for aspirating fluids. The electronic syringe is particularly well suited in dental applications where a precise level of hand control is required. The syringe housing is... | 11/25/1997 |
| 5688250 | Syringe A cartridge-type syringe in which a cartridge, having liquid medicine or the like sealed therein, is inserted in a holder having a discharge needle at its distal end, and the cartridge is advanced to cause the discharge needle to pierce it, thereby inject... | 11/18/1997 |
| 5651372 | Biopsy syringe A control syringe is provided for fine needle aspiration of biopsy tissue. An aperture through the barrel of the syringe is located at a rearward position of the barrel. A low pressure created in the barrel by withdrawing the plunger is broken by withdraw... | 07/29/1997 |
| 5634910 | Syringe instrument A syringe instrument for particular use in medical balloon inflation procedures comprises a fluid chamber and a plunger arranged to displace fluid from the chamber for delivery to inflate the balloon, and incorporates control structure arranged to provide... | 06/03/1997 |
| 5468232 | Syringe A cartridge-type syringe in which a cartridge, having liquid medicine or the like sealed therein, is inserted in a holder having a discharge needle at its distal end, and the cartridge is advanced to cause the discharge needle to pierce it, thereby inject... | 11/21/1995 |
| 5431680 | Device for orally administering liquid A device having a manually operable plunger slidably mounted within a container for orally administering liquid. The plunger operates to administer the liquid through an outlet, which is at least partially surrounded by a radially extending shield.... | 07/11/1995 |
| 5429610 | Dual chamber syringe for collecting samples and blood collecting system The dual chamber syringe is employed for collecting blood samples. The syringe includes a plunger which is connected to a first piston which, in turn, is connected via a string to a second piston. A passageway is formed in the wall of the syringe barrel t... | 07/04/1995 |
| 5391157 | End of dose indicator The present invention provides an improvement in injection syringes by providing for an end of dose indicator which is operatively associated with the dose knob of an injection syringe. The instant end of dose indicator works by providing a sound as an in... | 02/21/1995 |
| 5344409 | Syringe latch A syringe for controlling the amount of material or medical fluid in a syringe body which is expelled therefrom upon depression of a plunger in the syringe body. The syringe includes a syringe body having a chamber and a discharge end portion and an open ... | 09/06/1994 |
| 5328476 | One-time use hypodermic syringe apparatus and operation thereof A hypodermic syringe apparatus having a plunger with first and second sets of grooves, and a casing having first and second lock members, such that when the plunger is fully inserted or reinserted into the casing, the plunger is prevented from being withd... | 07/12/1994 |
| 5318544 | Metering syringe A syringe for metering fluid in which a plunger contains a plurality of stop surfaces which contact a stop on a syringe tube. The stop surfaces are linearly displaced from each other along a longitudinal axis of the plunger by distances corresponding to p... | 06/07/1994 |
| 5300042 | Medication dispensing apparatus A medication dispensing apparatus comprising a liquid container having an open end and a cap assembly engagably removable from the open end of the container. The cap assembly comprises an external cap having a lower end, an inner fixing element adapted to... | 04/05/1994 |
| 5250030 | Hypodermic syringe with a blockable piston capable of preventing its recharge and reuse Hypodermic syringe with a blockable piston capable of preventing it recharge and reuse, comprising a cylindrical tubular body having a communicating container in its inlet end; a right-angled section piston rod; a first blocking means constituted by at le... | 10/05/1993 |
| 5220948 | Precision syringe-filling mechanism A dosing assembly (80) is used to controllably fill a syringe (4), held within a syringe holder (50), from a vial (2) of the type including a piston (18) mounted within a container (14). The syringe holder (50) is threadably mounted (52, 36) to the vial w... | 06/22/1993 |
| 5217442 | Aspiration and refill kit for a medication infusion pump A kit is provided for use in refilling a medication infusion pump of the type adapted for implantation into the body of a patient. The kit comprises a syringe having a plunger mounted for reciprocation within a syringe barrel having a manually operable co... | 06/08/1993 |
| 5084017 | Self disabling, single use, hypodermic syringe A single-use, hypodermic syringe which disables itself during its initial application thereby preventing any subsequent use of the syringe. The working parts of the invention are designed to separate automatically when the syringe is oriented into the sol... | 01/28/1992 |
| 5059181 | Non-rechargeable disposable syringe A non-rechargeable, disposable hypodermic syringe for use with a needle includes a barrel, a retaining ring, and a plunger. The plunger has at least one annular notch formed therein. The barrel has at least one internal inwardly-flared tab formed therein ... | 10/22/1991 |
| 5024661 | Non-reuseable hypodermic syringe A hypodermic syringe is provided which comprises a hollow barrel, a longitudinally slidable and axially rotatable plunger shaft, a sealing means, e.g., a self-resealing rubber cap or sealing gasket, and an integrally-joined cover which includes (i) a char... | 06/18/1991 |
| 5009645 | Syringe for dispensing measured quantities of a material A disposable syringe for dispensing a metered dosage of a material includes a plunger rod which is axially movable within a syringe barrel for dispensing the material. The plunger rod includes a rail section located axially outside the syringe barrel, and... | 04/23/1991 |
| 4978339 | Non-reusable syringe The piston stem (6) of the non-reusable syringe carries radial ribs (7, 9) having a saw-tooth profile (20, 21) cooperating with a stop (19) fixed to the inner wall of the syringe body, for allowing the piston (1) to be moved in one direction only, so that... | 12/18/1990 |
| 4962868 | Apparatus for dispensing a controlled dose of a liquid fluid An apparatus for dispensing a controlled dose of a liquid fluid such as a liquid medication includes a dispenser head which is snugly fitted over the needle-shaped end of a syringe filled with the liquid pharmaceutical and including a piston in fully retr... | 10/16/1990 |
| 4950163 | Dental syringe for treating gums A syringe for treating gums includes a cylinder in which a piston is reciprocally mounted. The fluid for treating the gums is located in the cylinder and is expelled from a spout, such as a cannula or other replaceable reusable thin irrigating tip. The ti... | 08/21/1990 |
| 4946069 | Dispenser for manually discharging flowable media In a discharging apparatus (1) for in particular a single use, the complete pump stroke (11) to be performed only once is subdivided into at least two partial strokes (12,13) by a limiting device (24) which, for the end of each partial stroke, has a stop ... | 08/07/1990 |
| 4874385 | Plunger lock device The present invention resides in an improvement to a syringe having a syringe housing and a plunger slidably positioned therein and extendable therefrom, and includes a novel locking member mounted on the plunger externally of the housing and angularly mo... | 10/17/1989 |
