Abstract: According to various aspects, a sensor system is provided comprising a first substrate configured to be coupled to a user, an electric field detector to detect a user electric field and comprising a second substrate, a proof mass positioned above the second substrate, one or more electrodes coupled to the second substrate, and a control circuit coupled to the one or more electrodes, the control circuit being configured to determine a change in capacitance between the proof mass and each electrode responsive to torsional movement of the proof mass responsive to the electric field, and a controller coupled to the first substrate and being configured to receive, from the detector, information indicative of each change in capacitance between the proof mass and each electrode, and determine, based on the information, characteristics of the electric field in at least two dimensions.

Abstract: According to various aspects, a sensor system is provided comprising a first substrate configured to be coupled to a user, an electric field detector to detect a user electric field and comprising a second substrate, a proof mass positioned above the second substrate, one or more electrodes coupled to the second substrate, and a control circuit coupled to the one or more electrodes, the control circuit being configured to determine a change in capacitance between the proof mass and each electrode responsive to torsional movement of the proof mass responsive to the electric field, and a controller coupled to the first substrate and being configured to receive, from the detector, information indicative of each change in capacitance between the proof mass and each electrode, and determine, based on the information, characteristics of the electric field in at least two dimensions.

Abstract: A bilayer mold for forming polymer microstructures is provided. The bilayer mold includes a rigid plastic cylinder having slots defined along an outer periphery of the rigid plastic cylinder; and a layer of plastic elastic polymer material disposed within the slots and having indents defined therethrough and in the rigid plastic cylinder. The indents have a first profile extending through the layer of plastic elastic polymer and terminating within the rigid plastic cylinder. A metal polymer structure profile is also provided using laser-etching of a desired shape for the features of the microstructures in a metallic foil, followed by further refining of the features. The polymer and metal microstructures can be formed on the surface of a stent to facilitate retention of the stent.

Abstract: According to various aspects and embodiments, a growth adaptive expandable stent is provided. The expandable stent includes a stent structure having a cylindrical shape that is self-expanding in a radial direction and includes a plurality of cylindrical rings disposed along a longitudinal axis of the stent structure. The stent structure is configured to exert a continuous outward radial force over time when implanted such that a diameter of the stent structure expands from a first value to a second value that is at least about 1.5 times the first value.

Abstract: According to various aspects and embodiments, a growth adaptive expandable stent is provided. The expandable stent includes a stent structure having a cylindrical shape that is self-expanding in a radial direction and includes a plurality of cylindrical rings disposed along a longitudinal axis of the stent structure. The stent structure is configured to exert a continuous outward radial force over time when implanted such that a diameter of the stent structure expands from a first value to a second value that is at least about 1.5 times the first value.

Abstract: A biocompatible adhesive is disclosed. The biocompatible adhesive includes a substrate and a plurality of micro-scale elements extending from a surface of the substrate having a length selected to puncture a layer of a target tissue or target material. At least some of the micro-scale elements include at least one protrusion dimensioned to anchor the biocompatible adhesive to the target tissue or target material. A medical device assembly is also disclosed. The medical device assembly includes the biocompatible adhesive coupled to a surface of a component of the medical device assembly and positioned to attach the medical device assembly to the target tissue or target material. A method of facilitating attachment of a medical device assembly to a target tissue is also disclosed. A method of facilitating treatment of a wound is also disclosed.

Abstract: Aspects are generally directed to a compact and low-noise electric field detector, methods of operation, and methods of production thereof. In one example, an electric field detector includes a proof mass, a source of concentrated charge coupled to the proof mass, and a substrate having a substrate offset space defined therein, the proof mass being suspended above the substrate offset space. The electric field detector further includes a sense electrode disposed on the substrate within the substrate offset space and proximate the proof mass, the sense electrode being configured to measure a change in capacitance relative to the proof mass from movement of the proof mass in response to a received electric field at the source of concentrated charge. The electric field detector includes a control circuit coupled to the sense electrode and configured to determine a characteristic of the electric field based on the measured change in capacitance.

Abstract: According to various aspects and embodiments, a growth adaptive expandable stent is provided. The expandable stent includes a stent structure having a cylindrical shape that is self-expanding in a radial direction and includes a plurality of cylindrical rings disposed along a longitudinal axis of the stent structure. The stent structure is configured to exert a continuous outward radial force over time when implanted such that a diameter of the stent structure expands from a first value to a second value that is at least about 1.5 times the first value.

Abstract: Aspects are generally directed to a compact and low-noise electric field detector, methods of operation, and methods of production thereof. In one example, an electric field detector includes a proof mass, a source of concentrated charge coupled to the proof mass, and a substrate having a substrate offset space defined therein, the proof mass being suspended above the substrate offset space. The electric field detector further includes a sense electrode disposed on the substrate within the substrate offset space and proximate the proof mass, the sense electrode being configured to measure a change in capacitance relative to the proof mass from movement of the proof mass in response to a received electric field at the source of concentrated charge. The electric field detector includes a control circuit coupled to the sense electrode and configured to determine a characteristic of the electric field based on the measured change in capacitance.

Abstract: Aspects are generally directed to a compact and low-noise electric field detector, methods of operation, and methods of production thereof. In one example, an electric field detector includes a proof mass, a source of concentrated charge coupled to the proof mass, and a substrate having a substrate offset space defined therein, the proof mass being suspended above the substrate offset space. The electric field detector further includes a sense electrode disposed on the substrate within the substrate offset space and proximate the proof mass, the sense electrode being configured to measure a change in capacitance relative to the proof mass from movement of the proof mass in response to a received electric field at the source of concentrated charge. The electric field detector includes a control circuit coupled to the sense electrode and configured to determine a characteristic of the electric field based on the measured change in capacitance.

Abstract: According to various aspects, a sensor system is provided comprising a first substrate configured to be coupled to a user, an electric field detector to detect a user electric field and comprising a second substrate, a proof mass positioned above the second substrate, one or more electrodes coupled to the second substrate, and a control circuit coupled to the one or more electrodes, the control circuit being configured to determine a change in capacitance between the proof mass and each electrode responsive to torsional movement of the proof mass responsive to the electric field, and a controller coupled to the first substrate and being configured to receive, from the detector, information indicative of each change in capacitance between the proof mass and each electrode, and determine, based on the information, characteristics of the electric field in at least two dimensions.

Abstract: Aspects are generally directed to a compact and low-noise magnetic field detector, methods of operation, and methods of production thereof. In one example, a magnetic field detector includes a proof mass, a magnetic dipole source coupled to the proof mass, and a substrate having a substrate offset space defined therein, the proof mass being suspended above the substrate offset space. The magnetic field detector further includes a sense electrode disposed on the substrate within the substrate offset space and positioned proximate the proof mass, the sense electrode being configured to measure a change in capacitance relative to the proof mass from movement of the proof mass in response to a received magnetic field at the magnetic dipole source. The magnetic field detector includes a control circuit coupled to the sense electrode and configured to determine a characteristic of the magnetic field based on the measured change in capacitance.

Abstract: Aspects are generally directed to a compact and low-noise electric field detector, methods of operation, and methods of production thereof. In one example, an electric field detector includes a proof mass, a source of concentrated charge coupled to the proof mass, and a substrate having a substrate offset space defined therein, the proof mass being suspended above the substrate offset space. The electric field detector further includes a sense electrode disposed on the substrate within the substrate offset space and proximate the proof mass, the sense electrode being configured to measure a change in capacitance relative to the proof mass from movement of the proof mass in response to a received electric field at the source of concentrated charge. The electric field detector includes a control circuit coupled to the sense electrode and configured to determine a characteristic of the electric field based on the measured change in capacitance.