Abstract: A cylinder/piston unit (1) for a needle-free injector comprising a chamber (3) arranged in a cylinder (2), for receiving an injection solution (4), a front wall (5) having at least one nozzle borehole or an outlet element (6), and a second piston (7) arranged to move in the chamber. The chamber (3) is made in two parts with a first chamber (8) and a concentric second chamber (9) having a smaller cross section than the first chamber. A first piston (10) closes the first chamber (8) and the second piston closes the second chamber (9). The second piston comprises at least one flow channel (16) or the first chamber comprises at least one closable, axially oriented freeze-drying channel (34), and the second chamber (9) comprises at least one axially oriented flow channel (36), on the respective rear ends of the chambers (8, 9). A method for filling the cylinder-piston unit (1) is also disclosed.

Abstract: The invention relates to a transdermal therapeutic system which comprises a backing layer, an adhesive layer, a polymer layer and a removable protective layer. The adhesive layer is an organosiloxane layer and is anchored in the backing layer by siliconization.

Abstract: The present invention relates to a transdermal therapeutic system for applying the active ingredient norelgestromin onto the skin, optionally in combination with estrogens. It further relates to the use of such systems for hormonal contraception, and for hormone replacement therapy.

Abstract: A polymer-based preparation in film form for biphasic release of substances present therein to liquid surroundings, is characterized in that the preparation comprises at least two polymer matrix layers which differ in terms of their construction from polymers, with release taking place rapidly from one of the layers, and release taking place slowly from at least one other layer.

Abstract: A packaging for active substance-containing films. The packaging comprises a carrier layer and a covering layer connected releasably to the latter, has in a paired arrangement two opposite surface regions which are separated from one another by a web and within which the covering layer is not connected to the carrier layer. Two spaces are formed, separate from one another and enclosed on all sides, for receiving the films in pairs. Within the web, a further surface region is present, in which the carrier layer is not connected to the covering layer, with the result that a cavity enclosed on all sides is formed. At least one perforation line is present within the web.

Abstract: A process for treating a patient by medicinal therapy by a film-shaped therapeutic system. The process comprises the steps of applying a film-shaped therapeutic system comprising at least three layers connected with each other onto the oral mucosa of a patient in need of medicinal therapy for a period of up to 24 hours and releasing the active substance with an initial burst dose and a subsequent maintenance dose. The film-shaped therapeutic system comprises at least three layers connected with each other for transmucosal administration of active substances. The system has a layer which is mucoadhesive in an aqueous environment and a backing layer which is at least two-layered. At least one of these layers contains an active substance. The mucoadhesive layer is capable of swelling in an aqueous media, but is insoluble or only poorly soluble in an aqueous media.

Abstract: Topical drugs for treating aphthae, wherein the topical drugs are in the form of a film-shaped dosage form. The topical drugs include a film made of a water-swellable or water-soluble polymer or polymer mixture, and at least one active ingredient selected from the group of tanning agents and essential oils.

Abstract: A method for producing childproof, highly inert individual dose packagings for transdermal therapeutic systems or film-like forms of administration in the form of a sealing edge bag that can be peeled back with a complete surrounding and continuous sealing surface, comprising two packaging elements, that are arranged on top of each other and form the upper side and the bottom side of a bag containing the product, wherein at least one layer of the packaging material elements is a metal layer and at least one packaging material element a film laminate with at least three-layer design; and the outer layer of the at least three-layer film laminate comprises at least one line-shaped weakening that is not touching the edge of the packaging on the upper and bottom side and the line-shaped weakening has a reduced resistance to tear for opening the packaging.

Abstract: Transdermal or topical plasters containing active ingredient are provided that include a non-occlusive back layer, a matrix formed from of one or more polymer layers having at least one pharmaceutical active ingredient in one or more of the layers, in which the structure-forming base polymers of the layer(s) are non-occlusive or only slightly occlusive and a second polymer that has a low water-vapor permeability and that is immiscible or only very slightly miscible with the base polymer is dispersed in at least one of the polymer layers.

Abstract: A polymer-based preparation in film form for biphasic release of substances present therein to liquid surroundings, is characterized in that the preparation comprises at least two polymer matrix layers which differ in terms of their construction from polymers, with release taking place rapidly from one of the layers, and release taking place slowly from at least one other layer.

Abstract: Childproof, highly inert individual dose packagings (1) for transdermal therapeutic systems or film-like forms of administration in the form of a sealing edge bag that can be peeled back with a complete surrounding and continuous sealing surface, comprising two packaging elements, that are arranged on top of each other and form the upper side and the bottom side of a bag containing the product, wherein at least one layer of the packaging material elements is a metal layer and at least one packaging material element a film laminate with at least three-layer design; and the outer layer of the at least three-layer film laminate has a minimum tear resistance of 30 N, wherein said outer layer comprises at least one line-shaped weakening that is not touching the edge of the packaging on the upper and bottom side and the line-shaped weakening has a reduced resistance to tear for opening the packaging. The invention further relates to a method of production thereof.

Abstract: The invention relates to a film-shaped administration form for surface administration of at least one active ingredient and/or foodstuff to a living thing. Said administration form comprises at least one layer containing an active ingredient and/or foodstuff, said layer being based on cross-linked hydrophilic polymers and containing 20 wt.-% glycerine as a softener, in relation to the total amount of cross-linked hydrophilic polymers.

Abstract: A transdermal therapeutic system for administering at least one active pharmaceutical ingredient, including a polymer layer which is remote from the skin and is based on polyisobutylenes with a rate of application of at least 80 g/m2, and an adhesive skin-contact layer which is adjacent to the polymer layer remote from the skin and is based on acrylate copolymers with a rate of application of not more than 50 g/m2. The at least one active pharmaceutical ingredient is present in both the layer remote from the skin and the skin-contact layer.

Abstract: The invention relates to transdermal therapeutic systems (TTS) comprising a backing, a reservoir layer containing at least one pharmaceutical active ingredient, and an adhesive. Said transdermal therapeutic systems are characterised in that they are able to continuously adhere to the surface of the skin over a long period of time. During said long period of time, a) there is at least one time interval during which the TTS adhering to the surface of the skin is intensively exposed to water, and b) the active ingredient is transdermally released. The invention also relates to a method for the continuous transdermal release of at least one pharmaceutical active ingredient over a long period of time.

Abstract: The invention relates to a transdermal therapeutic system which comprises a back layer that is impermeable to the active substance, and a peelable protective layer that is impermeable to the active substance and at least one matrix layer consisting of polysiloxanes and/or polysiloxane derivatives and containing micro-reservoirs. Said micro-reservoirs contain at least one ion pair from a pharmacologically active substance and an additive and either the active substance is nucleophilic and the additive is electrophilic or the active substance is electrophilic and the additive is nucleophilic.

Abstract: A polymer-based preparation in film form for biphasic release of substances present therein to liquid surroundings, is characterized in that the preparation comprises at least two polymer matrix layers which differ in terms of their construction from polymers, with release taking place rapidly from one of the layers, and release taking place slowly from at least one other layer.

Abstract: The invention relates to a transdermal therapeutic system (TTS) for administering pharmaceutical agents through the skin, comprising a back layer (R) impermeable to the agent and at least one layer (S) comprising the agent, wherein the layer (H) facing the skin comprises urea in solid form, allowing continuous administration of large quantities of agent over a long period of time.

Abstract: Transdermal therapeutic system for administering at least one active pharmaceutical ingredient which is involatile at room temperature with a daily dose not exceeding 30 mg, comprising a backing layer which is impermeable for the active ingredient and faces away from the skin, an adjoining polymer layer which is remote from the skin and is based on polyisobutylenes with a rate of application of at least 80 g/m2, an adhesive skin-contact layer which is adjacent to the polymer layer remote from the skin and is based on acrylate copolymers with a rate of application of not more than 50 g/m2, and a protective layer which can be detached from the skin-contact layer and is impermeable for the active ingredient.

Abstract: A pressure-stable cylinder/piston unit which blocks water vapor and oxygen and is designed for a needle-free injector, with a chamber arranged in a cylinder, which blocks water vapor and oxygen, and designed for long-term and sterile storage of an injection solution, an end wall with at least one nozzle bore or one outlet element, a pressure-stable outer cylinder, and a pressure-stable piston arranged movably in the chamber and blocking water vapor and oxygen. Methods for bubble-free, automatic or manual filling of the cylinder/piston unit, also at atmospheric pressure are also disclosed.

Abstract: In the case of a package (1) for single-dose films (2) containing active substances, comprising an upper packaging material element (3) and a lower packaging material element (4) which are connected together by a peripheral seal area or respectively sealing seam (5) such that a cavity (6) for holding the film (2) is formed, said cavity being enclosed on all sides, wherein the upper packaging material element (3) and the lower packaging material element (4) each have at least one cut (7, 8) in the region of the seal area or respectively, the sealing seam (5), said cuts being congruent, and at least one cut (7, 8) is crossed by a folding or bending line (10), the folding or bending line (10) is formed in a weakened manner.