Abstract: A coating composition for coating of components of a flow machine, especially a turbomachine such as a gas turbine with compressor, or of a compressor, which are exposed to the fluid stream of the flow machine or of the compressor, wherein the coating composition includes anticorrosion pigments, wherein the coating composition includes hard material particles, and wherein the coating composition is an RT-curing, UV-curing and/or thermally curing coating composition. A component of a flow machine or of a compressor has the coating composition. A method of maintaining a flow machine or a compressor uses the coating composition.

Abstract: An apparatus is presented for attaching a lens to a microscope with an optical attachment. The apparatus includes the lens with a translational degree of freedom such that the lens is configured to translate along a first direction relative to the microscope and the optical attachment. A system is also presented that includes the apparatus and the optical attachment. The optical attachment includes a lens holder and/or the viewing attachment configured to move the lens and the lens holder relative to the microscope. A method is also presented for using an optical attachment to position a hands-free lens relative to a microscope.

Abstract: A method and apparatus is provided for providing a barrier for a user of an optical assembly. The optical assembly includes headgear and an optic within a housing. The apparatus includes the barrier including a protective shield defining an opening. The apparatus also includes a mounting fixture configured to attach the protective shield to the optical assembly such that the opening is aligned with an optical axis of the optic to provide an unobstructed path for light to the optic through the opening. The apparatus also includes an adaptive coupling positioned in a gap between the protective shield and the housing and configured to engage the protective shield adjacent the opening to form an airtight seal in the gap between the protective shield and the housing. A method is also provided for installing the apparatus to the optical assembly.

Abstract: An apparatus is provided including a sterile cover. The sterile cover includes a first portion (202) that defines a first cavity such that the first portion is configured to secure a non-sterile inverter (106) of a wide angle viewing attachment for a microscope within the first cavity. The sterile cover also includes a second portion integral with the first portion. The second portion defines a second cavity continuous with the first cavity. The second portion is configured to secure an imaging lens (201) of the microscope within the second cavity. A method is provided for using the microscope including the apparatus. A method is provided for forming the apparatus.

Abstract: A coating composition for coating of components of a flow machine, especially a turbomachine such as a gas turbine with compressor, or of a compressor, which are exposed to the fluid stream of the flow machine or of the compressor, wherein the coating composition includes anticorrosion pigments, wherein the coating composition includes hard material particles, and wherein the coating composition is an RT-curing, UV-curing and/or thermally curing coating composition. A component of a flow machine or of a compressor has the coating composition. A method of maintaining a flow machine or a compressor uses the coating composition.

Abstract: Provided is a coating system for a substrate, the system including a first, second and third layer. In the system, the first layer is designed as an adhesion promoter layer, the second layer is a ductile metal layer with a columnar structure and the uppermost, third layer is a ceramic oxide layer with a high hardness value. The substrate is ideally an element of a compressor component of a stationary gas turbine. Also disclosed is a method for producing the coating system.

Abstract: Provided is a coating system for a substrate, the system including a first, second and third layer. In the system, the first layer is designed as an adhesion promoter layer, the second layer is a ductile metal layer with a columnar structure and the uppermost, third layer is a ceramic oxide layer with a high hardness value. The substrate is ideally an element of a compressor component of a stationary gas turbine. Also disclosed is a method for producing the coating system.

Abstract: Disclosed herein are systems and methods for easy and rapid detection of ocular analytes in vitreous humor or aqueous humor. Specifically, exemplified are systems having a sample acquisition device that is in line with an analyte detection device. The system embodiments allow for the easy procurement and testing of samples. In a typical embodiment, the analyte detection assay device includes a housing that has a reaction chamber that is in fluid communication with a sample conduit and which contains reagents that specifically interact with the analyte. The reaction chamber is in fluid communication with a shunt that is in fluid communication with the sample conduit. The sample conduit has a sample conduit valve that is positioned distally to the shunt.

Abstract: Disclosed herein are systems and methods for detecting ocular analytes in vitreous humor or aqueous humor. Specifically exemplified are systems having a sample acquisition device that is inline with an analyte detection device. The system embodiments allow for the easy procurement and testing of samples. In a typical embodiment, the analyte detection device includes a sample staging chamber and a test chamber that comprises reagents that specifically interact with the analyte. The test chamber may include a sample pad, a conjugate pad having at least one conjugate reagent specific to the analyte loaded thereon, an assay platform having a substrate with at least one test region having a test reagent immobilized thereon, the test reagent being specific to the analyte; and an optional absorbent pad.

Abstract: A contact lens assembly has a central lens and a circumscribing flange, the lens having an eye contact surface shaped generally to a radius of curvature of a cornea of an eye. The flange comprises a sterile sponge-like liquid absorbent flexible material having a central aperture for fitting snugly about an outer circumference of the lens and extending radially outward therefrom. The flange may include an inner attachment ring for attachment to the outer circumference of the central contact lens.

Abstract: A contact lens assembly has a central lens and a circumscribing flange, the lens having an eye contact surface shaped generally to a radius of curvature of a cornea of an eye. The flange comprises a sterile sponge-like liquid absorbent flexible material having a central aperture for fitting snugly about an outer circumference of the lens and extending radially outward therefrom. The flange may include an inner attachment ring for attachment to the outer circumference of the central contact lens.

Abstract: A probe for a vitrectomy tool is provided having a vitreous cutter tube having a blunt tip at a distal end and adapted to be coupled at a proximal end to a handpiece of a vitrectomy tool; a retractable outer trocar tube surrounding the vitreous cutter tube having an open distal end with a sharpened edge; and a retraction mechanism coupled to a proximal end of the outer trocar for selectively extending and retracting the outer trocar tube between a first extended position wherein the sharpened edge of the outer trocar is extended beyond the blunt tip of the vitreous cutter tube to facilitate insertion into the eye and a second retracted position wherein the sharpened edge of the outer trocar is retracted behind the blunt tip of the vitreous cutter tube to facilitate safe operation of the probe.

Abstract: A probe for a vitrectomy tool is provided having a vitreous cutter tube having a blunt tip at a distal end and adapted to be coupled at a proximal end to a handpiece of a vitrectomy tool; a retractable outer trocar tube surrounding the vitreous cutter tube having an open distal end with a sharpened edge; and a retraction mechanism coupled to a proximal end of the outer trocar for selectively extending and retracting the outer trocar tube between a first extended position wherein the sharpened edge of the outer trocar is extended beyond the blunt tip of the vitreous cutter tube to facilitate insertion into the eye and a second retracted position wherein the sharpened edge of the outer trocar is retracted behind the blunt tip of the vitreous cutter tube to facilitate safe operation of the probe.

Abstract: A probe for a vitrectomy tool is provided having a vitreous cutter tube having a blunt tip at a distal end and adapted to be coupled at a proximal end to a handpiece of a vitrectomy tool; a retractable outer trocar tube surrounding the vitreous cutter tube having an open distal end with a sharpened edge; and a retraction mechanism coupled to a proximal end of the outer trocar for selectively extending and retracting the outer trocar tube between a first extended position wherein the sharpened edge of the outer trocar is extended beyond the blunt tip of the vitreous cutter tube to facilitate insertion into the eye and a second retracted position wherein the sharpened edge of the outer trocar is retracted behind the blunt tip of the vitreous cutter tube to facilitate safe operation of the probe. A vitrectomy tool for removing material from an eye of a patient is provided having a housing having a proximal end and a distal end and a probe coupled to the proximal end of the housing.

Abstract: A probe for a vitrectomy tool is provided having a vitreous cutter tube having a blunt tip at a distal end and adapted to be coupled at a proximal end to a handpiece of a vitrectomy tool; a retractable outer trocar tube surrounding the vitreous cutter tube having an open distal end with a sharpened edge; and a retraction mechanism coupled to a proximal end of the outer trocar for selectively extending and retracting the outer trocar tube between a first extended position wherein the sharpened edge of the outer trocar is extended beyond the blunt tip of the vitreous cutter tube to facilitate insertion into the eye and a second retracted position wherein the sharpened edge of the outer trocar is retracted behind the blunt tip of the vitreous cutter tube to facilitate safe operation of the probe. A vitrectomy tool for removing material from an eye of a patient is provided having a housing having a proximal end and a distal end and a probe coupled to the proximal end of the housing.

Abstract: A unitary mechanical injector-vitrector hand tool for use in extracting vitreous material from an eye and injecting another fluid into the eye includes a housing body having a proximal end, a distal end and a variable volume cavity in the housing body for establishing a negative pressure or suction. A needle having a sharpened point and a central bore is connected to the proximal end of the housing body. An aperture is formed in a sidewall of the needle near the sharpened end. An inner hollow reciprocal cutter is fitted in the central bore of the needle and has a cutting edge adapted for travel across the aperture. A first manually actuatable lever is pivotably mounted to the housing body and coupled in driving relationship with the reciprocal cutter.

Abstract: An embossed structured abrasive article having an inelastic dense thermoplastic film backing and a structured abrasive layer. Both the backing and the structured abrasive layer have superposed embossed features. Methods of making and using embossed structured abrasive articles are also disclosed.

Abstract: A unitary mechanical injector-vitrector hand tool for use in extracting vitreous material from an eye and injecting another fluid into the eye includes a housing body having a proximal end, a distal end and a variable volume cavity in the housing body for establishing a negative pressure or suction. A needle having a sharpened point and a central bore is connected to the proximal end of the housing body. An aperture is formed in a sidewall of the needle near the sharpened end. An inner hollow reciprocal cutter is fitted in the central bore of the needle and has a cutting edge adapted for travel across the aperture. A first manually actuatable lever is pivotably mounted to the housing body and coupled in driving relationship with the reciprocal cutter.

Abstract: A drape assembly is provided for maintaining a sterile field around a surgical microscope. A drape has a first opening for receiving a protruding adapter connected to a lower end of the microscope and a collar is mounted in the first opening. An adhesive portion of the collar secures the drape to the adapter. The adapter becomes part of the optical system and may be referred to as an optical component.

Abstract: Flexible abrasive article comprising a compressible backing having first and second opposed major surfaces; an elastic polyurethane film affixed to at least a portion of the first major surface of the compressible backing; an optional extensible tie layer affixed to at least a portion of the elastic polyurethane film; and an abrasive layer affixed to at least a portion of the optional extensible tie layer or elastic polyurethane film, the abrasive layer comprising abrasive particles and a binder. Methods of making and using the flexible abrasive article are also disclosed.