| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 604230000 | Means for reducing piston sliding friction (e.g., oil applicator, use of low friction material, etc.) | 15 |
| 20080312607 | Polypropylene Hollow Barrel with Sliding Coated Rubber Piston - The present invention relates to a device comprising a piston sliding in a body like, for example, a syringe. | 12-18-2008 |
| 20110082430 | SELF-LUBRICATING PHARMACEUTICAL SYRINGE STOPPERS - In one aspect, a self-lubriating component is provided for a pharmaceutical packaging assembly. The self-lubricating component comprises a polymer composition and an effective amount of a lubricating additive such as, for example, boron nitride. In another aspect, a pharmaceutical packaging assembly may be provided having a surface thereof coated with a lubricating composition comprising boron nitride. The pharmaceutical packaging composition may be, for example, a pre-filled syringe comprising a body (barrel) and a plunger assembly. | 04-07-2011 |
| 20110137263 | Syringe Stopper - A syringe stopper that is suitable for use in syringes without silicone oil or other liquid lubricants. The invention provides a low friction barrier between an elastomeric stopper material and a therapeutic in the syringe. The barrier may inhibit materials from leaching from the elastomer material or from extraction of compounds from medicants by the elastomer. A process is also described that allows for molding thin barrier layers while allowing adequate bonding with the elastomer. | 06-09-2011 |
| 20120065595 | SELF-LUBRICATING PHARMACEUTICAL SYRINGE STOPPERS - In one aspect, a self-lubricating component is provided for a pharmaceutical packaging assembly. The self-lubricating component comprises a polymer composition and an effective amount of a lubricating additive such as, for example, boron nitride. In another aspect, a pharmaceutical packaging assembly may be provided having a surface thereof coated with a lubricating composition comprising boron nitride. The pharmaceutical packaging composition may be, for example, a pre-filled syringe comprising a body (barrel) and a plunger assembly. | 03-15-2012 |
| 20120101453 | PISTON FOR A MEDICAL HOLLOW BODY, AND MEDICAL HOLLOW BODIES - A piston for a medical hollow body such as a syringe or a carpule includes at least one sliding surface for contact with the hollow body. The piston has at least one receiving area in which a lubricant can be received, and at least one dispensing mechanism for dispensing the at least one lubricant from the at least one receiving area to the at least one sliding surface. | 04-26-2012 |
| 20120143148 | Sealing Members, Articles Using the Same and Methods of Reducing Sticktion - The present invention provides rubber sealing members having an exterior surface adapted to sealingly engage an inner surface of a chamber of the medical device, the exterior surface of the sealing member having a coating thereon prepared from a curable composition including: (a) a first organopolysiloxane having at least two alkenyl groups; and (b) a second organopolysiloxane having at least two pendant hydrogen groups, the second organopolysiloxane being different from the first organopolysiloxane, wherein at least one of the first organopolysiloxane, the second organopolysiloxane or an optional third organopolysiloxane of the curable composition comprises a fluoro group. | 06-07-2012 |
| 20120172818 | Medical Device Having a Mechanism and Use of a Low-Friction Synthetic Material Within a Medical Device - A first movable element ( | 07-05-2012 |
| 20130211344 | MEDICAL COMPONENTS HAVING COATED SURFACES EXHIBITING LOW FRICTION AND/OR LOW GAS/LIQUID PERMEABILITY - This invention relates to components useful for medical articles, such as a syringe assemblies, having sliding contact surface (s) coated with at least one coating layer, wherein the contact surface has an average surface roughness (Ra) ranging from about 10 nm to about 1700 nm and/or the coating layer has crystalline domains, the mass of the crystalline domains being at least about 20% of the total mass of the coating layer, and methods of making the same. | 08-15-2013 |
| 20130338606 | SELF-LUBRICATING PHARMACEUTICAL SYRINGE STOPPERS - In one aspect, a self-lubricating component is provided for a pharmaceutical packaging assembly. The self-lubricating component comprises a polymer composition and an effective amount of a lubricating additive such as, for example, boron nitride. In another aspect, a pharmaceutical packaging assembly may be provided having a surface thereof coated with a lubricating composition comprising boron nitride. The pharmaceutical packaging composition may be, for example, a pre-filled syringe comprising a body (barrel) and a plunger assembly. | 12-19-2013 |
| 20140052076 | Sealing Members, Articles Using the Same and Methods of Reducing Sticktion - The present invention provides rubber sealing members having an exterior surface adapted to sealingly engage an inner surface of a chamber of a medical device, the exterior surface of the sealing member having a coating thereon prepared from a curable composition including: (a) a first organopolysiloxane having at least two alkenyl groups; and (b) a second organopolysiloxane having at least two pendant hydrogen groups, the second organopolysiloxane being different from the first organopolysiloxane, wherein at least one of the first organopolysiloxane, the second organopolysiloxane or an optional third organopolysiloxane of the curable composition comprises a fluoro group. | 02-20-2014 |
| 20140249484 | PLASMA OR CVD PRE-TREATMENT FOR LUBRICATED PHARMACEUTICAL PACKAGE, COATING PROCESS AND APPARATUS - An article is described including an article surface, a primer coating or layer of SiOx, SiO | 09-04-2014 |
| 20150126941 | SACCHARIDE PROTECTIVE COATING FOR PHARMACEUTICAL PACKAGE - A method for providing a saccharide based lubricating or protective coating or layer on a substrate surface is provided. In particular, a lubricity and/or protective coating or layer made by said method is provided. Pharmaceutical packages or other vessels coated by said method and the use of such pharmaceutical packages or other vessels protecting a compound or composition contained or received in said vessel with a protective coating against mechanical and/or chemical effects of the surface of the vessel without a protective coating material are also provided. | 05-07-2015 |
| 20150302778 | TRAINING MECHANISM FOR DRUG DELIVERY DEVICE - The present invention relates to a cartridge for a drug delivery device comprising of a body of substantially cylindrical shape, a piston slidably disposed in the body along two opposite axial directions, along a distal and along a proximal direction, and at least one friction means operably engaged with the piston to generate a pre-defined friction force between the piston and an inside wall of the body, when the piston is displaced relative to the body, wherein in response to an axial displacement of the piston relative to the body in distal direction and in proximal direction, the at least one friction means is adapted to generate respective proximal and distal friction forces that are different in magnitude. | 10-22-2015 |
| 20160015898 | PLASMA OR CVD PRE-TREATMENT FOR LUBRICATED PHARMACEUTICAL PACKAGE, COATING PROCESS AND APPARATUS - A syringe comprising a wall having a generally cylindrical interior surface defining a lumen with a primer coating or layer between 1 and 1000 nm thick of SiOx Cy Hz, in which x is from about 0.5 to about 2.4, y is from about 0.6 to about 3, and z is from about 2 to about 9, on at least a portion of the interior surface, the primer coating or layer having an outside surface facing the interior surface of the barrel and an inside surface facing the lumen. A deposit of fluid lubricant on the inside surface of the primer coating or layer is further provided. | 01-21-2016 |
| 20170232198 | PECVD COATED PHARMACEUTICAL PACKAGE, COATING PROCESS AND APPARATUS | 08-17-2017 |
