Abstract: The present disclosure relates to a flight control device that can be mounted to a body of a wing of an aircraft to reduce or eliminate backlash in electromechanical actuators (EMAs). The flight control device can include a flight control member and first and second actuators for moving the flight control member relative to the wing of the aircraft. The first and second actuators can be mechanically isolated from one another except for their mutual connection to the flight control member. The first and second actuators can cooperate to apply torsional loading to the flight control member about an axis of the flight control member to reduce or eliminate backlash.

Abstract: A device to change the temperature of a localized volume of material. One device includes at least one heat transfer mechanism having a conformable external surface for direct contact with a surface of the material. A working fluid is directed by input and output conduits to contact an internal surface of the heat transfer mechanism. A wall of the heat transfer mechanism exchanges heat between the working fluid and the material. Temperature of the working fluid may be regulated by a thermal control system disposed at a remote location. An optional temperature sensing element may monitor a local temperature of the heat transfer mechanism or otherwise infer a temperature of a portion of the material. Portions of certain devices may be deformed to a desired device shape.

Abstract: A composite moldable splint and method for using the same is described. In some embodiments, the splint has at least a partially fluid-filled inner volume, which in some embodiments may include foam, rubber, water, or pelletized material, enclosed by a flexible liner, surrounded by a thermoplastic layer that is flexible and moldable when heated. The inner volume, which may include a thermoactive adhesive having differing viscosity characteristics at a plurality of temperatures, provides the ability to mold the cushion into a wide range of shapes and contours, such as when forming around a body part. The thermoplastic layer provides the ability of the cushion to be molded when heated, while the inner volume tends to maintain a shape, and allows the thermoplastic layer to stay in its formed shape as the cushion cools. The cushion may be used in a range of medical applications for stabilizing patients and body parts.

Abstract: A multi-component frame includes a first component made from a rigid structural material and a second component connected to at least an end portion the first component. The first component is constructed from a metal or metal alloy, and the second component is constructed from a material different from the first component. The first and second components form at least part of a length of the multi-component frame.

Abstract: A casting tape package system is provided comprising an outer package defining a first interior portion enclosing a casting tape substrate including curable casting formulation and a second interior portion enclosing a curing agent. In certain embodiments, the curing agent is separated from the casting tape substrate by a barrier which is breakable to release the curing agent to activate the curable casting formulation.

Abstract: The invention provides a limb immobilization device, being an immobilization device having a thermoplastic fixation plate capable of being shaped on a patient by covering a limb portion of the patient to support and/or immobilize that portion of the patient. The limb immobilization device has high air permeability and may replace or assist in use of the traditional plaster cast. The thermoplastic fixation plate is a laminate comprising a soft cloth and a first spacer fabric having a coating layer thereon.

Abstract: Proposed is an improved cast used for covering an affected area of a patient having a fracture or dislocation or diabetic patient to keep the continuity of the affected area and the unaffected area, and to protect the affected area from external shock.

Abstract: A multi-component frame includes a first component made from a rigid structural material and a second component connected to at least an end portion the first component. The first component is constructed from a metal or metal alloy, and the second component is constructed from a material different from the first component. The first and second components form at least part of a length of the multi-component frame.

Abstract: A casting tape package system is provided comprising an outer package defining a first interior portion enclosing a casting tape substrate including curable casting formulation and a second interior portion enclosing a curing agent. In certain embodiments, the curing agent is separated from the casting tape substrate by a barrier which is breakable to release the curing agent to activate the curable casting formulation.

Abstract: The present invention provides a breathable orthopedic cast device for immobilizing and stabilizing at least one fractured limb. The breathable orthopedic cast device comprising: a customizable cast member having hollow tubes pre-injected with at least one infusion material, wherein hollow tubes are interlinked with each other to form a mesh structure to provide breathability to a fractured limb. The breathable orthopedic cast device is a flat unfolded geometry that can be applied by wrapping over an injured body member, or is customized to a shape corresponding to the contours of the body member.

Abstract: The system invention describes a support and improved method of application and removal. The support, comprised of a network of flexible, non-porous, multi-lumen tubing interlaces at a plurality of junctions to form a lattice structure. Apertures designed to accommodate boney prominences also permit air or water to reach the skin underneath and encourage rapid fluid flow internally through the lattice. A hydrophobic, thermal-resistant, flowable padding layer is injected within a secondary lumen to the lattice structure, spanning its complete surface area. As a result, the breathability of the support is not affected by this padding layer because it mirrors the apertures of the lattice. At least one liquid is injected into the structure and configured to transform into a solid when acted on by an external mechanical stimulus.

Abstract: A casting tape package system is provided comprising an outer package defining a first interior portion enclosing a casting tape substrate including curable casting formulation and a second interior portion enclosing a curing agent. In certain embodiments, the curing agent is separated from the casting tape substrate by a barrier which is breakable to release the curing agent to activate the curable casting formulation.

Abstract: The present technology relates to composites, apparatuses, systems, and methods that are based on a photocurable composite useful for stabilizing, supporting, or otherwise healing an injured limb. The photocurable composite includes a light-curable resin and a filler material, where the light-curable resin includes about 50 vol % to about 99 vol % (based on the volume of the light-curable resin) of an acrylate-functionalized oligomer, wherein the backbone of the oligomer comprises a polyurethane, a polyether, a polyester, or a combination of any two or more thereof; about 1 vol % to about 50 vol % of a radical-reactive diluent; about 0.001 vol % to about 2 vol % of a photoinitiator; and optionally about 0.05 to about 25 vol % of a surface cure protection agent.

Abstract: A unitized cast system for immobilizing and supporting a body part. The unitized casting system includes a first inner layer for padding and dissipating heat against the patient's skin. A second layer is formed from a thermoformable structural material such as perforated plastic. A protective third outer layer is provided to provide insulation for the second layer. These three layers are formed together to form a unitized cast system that is easily formed and applied to the patient.

Abstract: An orthopedic splint system comprising self curing splinting system that is applied to an injured limb without use of water. The splint material is contained in tear resistant outer pouch and an inner protective sleeve where a water-laden gel is contained in a pouch situated in direct contact with the splint material. The liquid pouch will be torn when a longitudinal tab, which is an integral part of the pouch, is pulled out releasing the water-laden gel which will come in contact with the splint system causing it to cure.

Abstract: A thermal reflective layer provided either separately or in combination with a wound dressing is provided. The wound dressing typically includes a top layer, and a bottom layer on an opposite side of the wound dressing from the top layer. The thermal reflective layer is positioned between the top and bottom layers and is formed of a plurality of thermal reflecting domes arranged in an array configuration with apexes of each dome oriented toward the bottom layer of the wound dressing facing the wound upon which the wound dressing is configured for placement. This configuration reflects body heat back on to the wound when the wound dressing is in place, and more rapidly increases the wound surface to a physiologically optimum healing temperature more rapidly than other conventional wound dressings, which improves the facilitation of wound healing. The configuration also enables wound visualization, and required wound piercing procedures.

Abstract: The present invention relates to a medical cast having a dual structure.

Abstract: Orthopedic splinting materials and methods for stabilizing an injured limb or extremity of a human or animal are disclosed. The methods include applying a foam to the limb or extremity and allowing the foam to set to sufficient rigidity. A kit for stabilizing an injured limb or extremity includes a dispenser for a foamable composition. A spine board and method of making the spine board are disclosed. In situ preparation and application of a compression bandage are disclosed.

Abstract: In an initial configuration a device comprises a casing containing: a plurality of beads, a rupturable first container containing one or more isocyanates and a rupturable second container containing one or more polyols, wherein in the final configuration the casing is substantially filled by a polyurethane in which the plurality of beads are embedded. In an intermediate configuration the device is transformed from the initial configuration to a final configuration by rupturing the first container and rupturing the second container so that the one or more isocyanates react with the one or more polyols in a reaction that forms the polyurethane. As the polyurethane is formed during the reaction the polyurethane surrounds the plurality of beads. The device may be molded as the polyurethane is formed in the casing.

Abstract: A device comprising a casing and having an initial configuration, an intermediate configuration, and a final configuration, wherein in the initial configuration the casing contains: a plurality of beads, a rupturable first container containing one or more isocyanates and a rupturable second container containing one or more polyols. In the final configuration the casing is substantially filled by a polyurethane in which the plurality of beads is embedded. In the intermediate configuration the device is transformed from the initial configuration to the final configuration by rupturing the first container and rupturing the second container so that the one or more isocyanates react with the one or more polyols in a reaction that forms the polyurethane. As the polyurethane is formed during the reaction the polyurethane surrounds the plurality of beads. The casing includes one or more vent tubes configured to allow gases formed by the reaction to escape the casing.

Abstract: Disclosed herein are derivatives of phenolic and melamine compounds, methods of making these derivatives, and methods of using them. The compounds include phenolic and melamine compounds with multi-functional acrylate groups, polyethylene glycol and amino groups. The compounds may be cured to form resins that may be used in a variety of applications, such as paints, hydrogels, polyacrylate super absorbent polymers (SAPs), adhesives, composites, sealants, fillers, fire retardants, crosslinking agents, and the like.

Abstract: The invention relates to a method for connecting sheet metal parts (4) to form a laminated core (11), wherein sheet metal parts (4) are separated, in particular punched, from a sheet metal strip (2) that has, at least in some areas, a layer having curable polymer adhesive (12), and the sheet metal parts (4) are preliminarily connected to form a laminated core (11), the preliminary connection comprising plasticizing the adhesive (12) at least in some areas and joining the sheet metal parts (4) in order to connect the sheet metal parts by means of the plasticized adhesive (12) of at least one of the sheet metal parts (4), and in a subsequent step the laminated core (11) having preliminarily connected sheet metal parts (4) is subjected to a curing of the adhesive (12). In order to create an advantageous connection between the sheet metal parts, the plasticizing of the adhesive (12) comprises the introduction of a softener (16), in particular H2O.

Abstract: A surgical cast venting material comprises a waterproof, flexible substrate made of a plastics material and having first and second sides. The first side has a plurality of shallow, concave recesses distributed over the substrate and spaced-apart from one another while the second side has a plurality of protrusions distributed across the substrate. The substrate is perforated with a plurality of small holes distributed across its length and width. Also, a surgical cast venting device is disclosed for venting a bent region of a patient's limb. It has a flexible, central portion that can cover a major part of the bent region of the limb including opposite side surfaces and a front or rear surface. The device also has flexible connecting straps extending from two corners of the central portion.

Abstract: A unitized cast system for immobilizing and supporting a body part. The unitized casting system includes a first inner layer for padding and dissipating heat against the patient's skin. A second layer is formed from a thermoformable structural material such as perforated plastic. A protective third outer layer is provided to provide insulation for the second layer. These three layers are formed together to form a unitized cast system that is easily formed and applied to the patient.

Abstract: An article useful for atraumatic care and/or closure of wounds, as well as for repairing torn or ripped fabric is provided. The article comprises a substrate having opposing first and second major surfaces, a plurality of raised anchoring members disposed across the first major surface, and an optional adhesive pre-mounted adjacent the second major surface. A separate adhesive could also be used to mount the article to the desired underlying surface to be repaired. The substrate is a flexible and conformal continuous web that can be cut into pieces to custom fit the wound or fabric opening. Using the anchoring members and a thread, the pieces can be drawn together to correspondingly draw the tissue or fabric on either side(s) of the opening together, thereby closing the opening without piercing or suturing/sewing together the underlying tissue or fabric.

Abstract: A system that is clinically and effically sound, consisting of proprietary components that not only address the needs of the clinician but are universally utilized in a concise protocol covering a wide range of indications and conditions.

Abstract: Orthopedic splinting materials and methods for stabilizing an injured limb or extremity of a human or animal comprising applying a foam to the limb or extremity and allowing the foam set to sufficient rigidity, which can be in less than 60 seconds. The foam, such as a Spray Polyurethane Foam, can be sprayed directly on the skin without producing an amount of heat release that is painful or uncomfortable on the skin. Also provided is a kit for stabilizing an injured limb or extremity comprising a dispenser comprising the present foam. Further provided is situ preparation and application of a compression bandage on an injured patient in an emergency or combat situation comprising applying the present foam. A spine board and a method for making the same comprising applying the present foam to the patient's back, then contacting the foam with a board or flat surface before the foam sets.

Abstract: A self-securing forearm guard used to protect a user's upper extremity during athletic training and competition. The current design incorporates heat moldable materials that allows an athlete to customize the guard's fit around their forearm using pressure applied by hand, and wherein the arm guard will retain the desired shape after the pressure is released, and thereby stay securely attached to said athlete's forearm without the need for straps and/or removable fasteners. The arm guard is adapted to protect a user's forearm during athletic activities such as skiing past and through ski gates, wherein it is common for a skier's forearm to intentionally contact the poles of such gates when skiing at a high rate of speed therethrough, thereby avoiding varying degrees of injury.

Abstract: An orthosis and a method for the production thereof are provided. The orthosis includes a first support section and at least one further support section that form a three-dimensional support body. The support sections rest on the patient and support limbs or body areas of the patient. The orthosis also comprises fixing means which engage on the support body and which fix the orthosis on the patient. The support body comprising the support sections includes a reinforcing structure that comprises a support layer onto which at least one reinforcing thread is sewn. A pattern layout of the reinforcing thread is oriented along force lines corresponding to stresses that occur in the support body. The layout of the reinforcing thread lies within a surface on the support layer, said surface corresponding to a two-dimensional pattern layout of the three-dimensional support body.

Abstract: Provided is a protective insert to be received into a pocket of a protective athletic headwear. The protective insert includes an outer layer, at least one pliable middle layer, and a pliable inner layer. The outer layer includes an arrangement of first openings that extend at least partially through the outer layer. The at least one pliable middle layer has at least one arrangement of openings that extend at least partially through the at least one pliable middle layer. The outer layer, the at least one pliable middle layer and the pliable inner layer are sealed such that the openings form sealed air pockets in the at least one first pliable middle layer between the outer layer and the pliable inner layer.

Abstract: A method of constructing a total contact cast, that includes the steps of wrapping a lower leg with foam from above the malleoli to mid-calf, covering the foot and lower leg with stockinette; covering the foot and ankle with cast padding, and applying cast tape to the leg over the previously-applied foam and allowing the cast tape to harden. A foam pad and lateral and medial malleolar pads are applied to the leg section of the cast and a foot and ankle positioning device is applied to the leg, and cast tape is applied over the lower leg and foot and allowing the cast tape to harden. A walking support is applied to the foot. A foot and ankle positioner for a total contact cast is also disclosed.

Abstract: A medical device, such as a medical wire, which includes a coating applied to the surface of the medical wire. The coating includes a base layer bonded to the surface of the medical wire and an at least partially transparent low-friction top coat applied to the base layer. The base layer includes heat activated pigments that change color when heated above a color shifting temperature. In one embodiment, the color of the pigment in one area contrasts with the color of the pigment in an adjacent area without otherwise affecting the low-friction surface of the coating. The areas of different color created in locations along the length of the low-friction coated medical wire form markings which, as an example, enable a surgeon to determine the length of the medical wire inserted into a body by observing the markings on the portion of the marked medical wire located exterior to the body.

Abstract: A medical bandaging product that includes a flexible medical material including an elongate fabric, a reactive system, and microspheres. In certain aspects, a component of the reactive system is homogeneously impregnated into or coated throughout the flexible medical material without being encapsulated in the microspheres such that the reactive system remains stable and non-activated in the absence of an activating agent, and hardens upon activation by exposure to the activating agent to form a rigid, self-supporting structure. In this aspect, the microspheres are homogeneously impregnated into or coated throughout the flexible medical material, the microspheres encapsulate an activating agent and are configured to release the activating agent to form the rigid, self-supporting structure.

Abstract: A low density fabric substrate for a medical bandaging product. The substrate has a plurality of longitudinally-extending voids formed in the fabric for permitting water penetration through the fabric thickness from one of the major faces to the other major faces. A reactive system is impregnated into or coated onto the substrate and remains stable when maintained in substantially moisture-free conditions and hardens upon exposure to sufficient moisture to form a rigid, self supporting structure. A soft, flexible protective material covers at least one of the major faces of the substrate along its length to provide a cushioning barrier between the substrate and the skin of a patient when the material is in use.

Abstract: A multi-phase orthopedic system including a moisture-impervious sleeve, a moldable splint including a covered resin-impregnated substrate, an elongate removable wrap for retaining the splint on the limb, and a removable cast for application to the limb during a subsequent treatment phase including a cast body having an interior side and exterior side, and a flap carried by the body and movable between an open position, and a closed position overlying a part of the cast body to be applied to a treatment area of the limb, the flap adapted to cover and retain between the cast body and the flap the splint worn by the patient during the initial treatment phase in the same position as the location of the splint during the initial treatment phase. A method of immobilizing a limb in multiple treatment phases utilizing the multi-phase orthopedic system.

Abstract: A moisture-resistant multi-phase orthopedic system and method including a single layer, three-dimensional knitted fabric having an open structure for providing enhanced moisture transfer from the skin outwardly into the atmosphere and a flap carried by the body and movable between an open position and a closed position overlying a part of the cast body to be applied to a treatment area of the limb. The flap is adapted to cover and retain between the cast body and the flap the splint worn by the patient during the initial treatment phase in the same position as the location of the splint during the initial treatment phase.

Abstract: Orthopedic splinting materials and methods for stabilizing an injured limb or extremity of a human or animal comprising applying a foam to the limb or extremity and allowing the foam set to sufficient rigidity, which can be in less than 60 seconds. The foam, such as a Spray Polyurethane Foam, can be sprayed directly on the skin without producing an amount of heat release that is painful or uncomfortable on the skin. Also provided is a kit for stabilizing an injured limb or extremity comprising a dispenser comprising the present foam. Further provided is situ preparation and application of a compression bandage on an injured patient in an emergency or combat situation comprising applying the present foam. A spine board and a method for making the same comprising applying the present foam to the patient's back, then contacting the foam with a board or flat surface before the foam sets.

Abstract: A compact package for making an orthopedic cast is made from a fabric folded and compressed, having an initial over-all surface area, that, when saturated with water, expands to final over-all surface area that is larger by a factor greater than 50 than the initial over-all surface area. The package also includes a water-curable material, impregnated into the fabric, so that when the material is saturated with water, the material cures to become rigid. When the package is used, the fabric impregnated with the material may be immersed in water and expanded. Once expanded and unfolded, the fabric may be placed around a portion of a body for which the orthopedic cast is desired. The material then becomes rigid so as to form the orthopedic cast.

Abstract: A method of making an orthoses, comprising the steps of preparing a plaster mold, upon which the layers of the orthosis will be placed and formed; and placing layers of material on the mold, then forming and removing the layers. An orthosis, comprising a footplate that is capable of receiving a human foot thereabove, a heel portion at the rear side of the footplate; a strut extending upwardly from the heel portion; a calf portion extending forwardly from the strut, the calf portion including a tibial shell; the tibial shell extends around the front of the user's tibia; a rear portion extends around the back of the user's calf a rear portion disposed rearwardly with respect to the calf portion; and sides such that the calf portion is completely circumferential without seams. Two foam layers line the orthoses for comfort and ease of use.

Abstract: A compact package for making an orthopedic cast is disclosed. The package comprises a fabric folded and compressed, having an initial over-all surface area, that, when saturated with water, expands to final over-all surface area that is larger by a factor greater than 50 than the initial over-all surface area. The expansion of the fabric occurs during a first time period. The package also includes a water-curable material, impregnated into the fabric, so that when the material is saturated with water, the material cures over a second period of time to become rigid, wherein the second period of time is substantially longer than the first period of time. When the package is used, the fabric impregnated with the material may be immersed in water and expanded. Once expanded and unfolded, the fabric may be placed around a portion of a body for which the orthopedic cast is desired. When the second time period elapses, the material has become rigid so as to form the orthopedic cast.

Abstract: A medical bandaging product, including a non-woven, fibrous, flexible medical material adapted for being applied and conformed to a body part to be supported, and a reactive system impregnated into or coated onto the medical material. The system remains stable when maintained in a non-activated condition in the absence of an activating agent, such as water, and hardens upon activation by exposure to the activating agent to form a rigid, self supporting structure. An enclosure is provided within which the medical material is maintained against exposure to the activating agent until use. The product may be in pre-cut shapes or in roll-form for cutting off a desired length for a given use.

Abstract: Method and device for tailoring the density of a compressible, non-rebounding foam used in capturing anatomical impressions to account for the variations in body weights and sizes, the foam fabricated by the method or device and the custom surface fabricated using the foam. The device is configurable to create a wide range of densities suitable for a wide range of body types. The resulting imprinted foams are then encased in hard surfaces to obtain a mold that provides support surfaces for the back and buttocks in the construction of custom molded chairs, seat cushions and back orthotics. The reduced density foam is suitable for fabrication of orthotics that fit to large areas of the body.

Abstract: A splint for orthopedics for supporting the affected part of a patient suffering from a fracture or a sprain. A splint includes a support having 500˜1500 g/m2 of polyester non-woven fabric coated with a water-curable resin, an aluminum casing having a combination of polyethylene, aluminum and nylon (or polyester) in a pouch form to completely prevent the permeation of water so as to prevent the affected part from festering due to water, and a skin-protecting layer having polypropylene non-woven fabric and an outer surface layer having 200˜400 g/m2 of polyester, polypropylene or nylon, which are sequentially formed on the support. Unlike conventional splints for orthopedics which include a skin contact layer, a surface layer, and a support therebetween, the splint of the invention has a structure in which the support is directly packed with an aluminum casing, and an outer surface layer and a skin-protecting layer are provided thereon.

Abstract: A unitized cast system for immobilizing and supporting a body part. The unitized casting system includes a first inner layer for padding and dissipating heat against the patient's skin. A second layer is formed from a thermoformable structural material such as perforated plastic. A protective third outer layer is provided to provide insulation for the second layer. These three layers are formed together to form a unitized cast system that is easily formed and applied to the patient.

Abstract: An apparatus for sanitizing the skin area beneath a worn medical cast includes a thin elongate and flexible member made from a highly pliable material, the member including a distal end having at least one cleaning pad secured thereon. The thin elongate member is sized to be fitted between the skin of a cast wearer and the inner surface of a worn cast. In one version, disposable cleaning pads are releasably secured to the distal end of the elongate member.

Abstract: The disclosure relates to a system for producing an orthopedic splint made of a cast material, wherein the system includes at least one thermoplastic cast material present as a flat material web and a template having a flat template body, wherein the cast material can be wound around the template body in a prescribed direction for generating a splint blank, and the splint blank can be activated in order to achieve deformability, particularly after cutting the cast material to length, and to a method for producing an orthopedic splint.

Abstract: A hand orthosis supporting a patient's thumb and fingers spaced apart and separated from contact with the palm of the hand, including an elongated body having a palm surface, a thumb portion, and a finger support portion. The elongated body includes a plurality of unequal cross-sectional areas spaced along the axial length between a distal end and a base end. A plurality of finger concavities are angled in helical orientation along the orthosis, including spaced apart concavities for each finger and the patient's thumb. Each finger and thumb concavity is angled non-perpendicular relative to the orthosis axial length to retain the fingers and thumb spaced apart, curved in a relaxed orientation, and apart from the palm of the hand during extended periods of time without impeding hand or wrist motion. A method of extended use for the hand orthosis is also disclosed.

Abstract: An orthopedic cast window is provided for creating an access to a site of injury, such as a broken limb. The device comprising: A cast-embeddable hollow body has a tubular member defining an opening and having a first peripheral edge and a second peripheral edge. The opening is sized to extend about the site of injury without obstructing access to the injured site. An inner flange is secured to the first peripheral edge, extending transversely to the tubular member; an outer flange secured to the second peripheral edge, extending transversely to the tubular member. When embedded in the cast, the inner flange and at least a part of the tubular member become embedded in the cast bandages. A window cover member is configured to be detachably positioned within the opening in the tubular member in a covering relationship to said opening to allow easy access to the site of injury.

Abstract: A compact package for making an orthopedic cast is disclosed. The package comprises a fabric folded and compressed, having an initial over-all surface area, that, when saturated with water, expands to final over-all surface area that is larger by a factor greater than 50 than the initial over-all surface area. The expansion of the fabric occurs during a first time period. The package also includes a water-curable material, impregnated into the fabric, so that when the material is saturated with water, the material cures over a second period of time to become rigid, wherein the second period of time is substantially longer than the first period of time. When the package is used, the fabric impregnated with the material may be immersed in water and expanded. Once expanded and unfolded, the fabric may be placed around a portion of a body for which the orthopedic cast is desired. When the second time period elapses, the material has become rigid so as to form the orthopedic cast.

Abstract: The invention relates to an orthopedic bandage set including A) a light hardenable bandage material and B) a lighting appliance, where A) includes at least one loose or coherent material which is fibrous, porous or particulate, and which has been impregnated with a light hardenable composition including the constituents I and II and possibly III and possibly IV, where I includes at least one ethylenically unsaturated compound, where II is a light activatable polymerization initiator system, where III includes at least one passive polymer, and where IV includes one or more additional auxiliary materials, and where B) includes a shell-like structure having two principal surfaces and possibly one or more edge surfaces which connect the principal surfaces, which shell-like structure embedded in its interior or attached to its one principal surface has one or more primary light sources, of which at least one is capable of emitting light having at least one wavelength in the range 200-750 nm, and which shell-like s