Abstract: In one or more embodiments, the present invention provides a low molecular weight, non-toxic, resorbable poly(ethylene glycol) (PEG)-block-poly(propylene fumarate) (PPF) diblock copolymers and poly(propylene fumarate) (PPF)-block-poly(ethylene glycol) (PEG)-block-poly(propylene fumarate) (PPF) triblock copolymers (and related methods for their making and use) that permits hydration for the formation of such things as hydrogels and has constrained and predictable material properties suitable for 3D printing and drug delivery applications. Using continuous digital light processing (cDLP) hydrogels the diblock and triblock copolymers can be photochemically printed from an aqueous solution into structures having a 10-fold increase in elongation at break compared to traditional diethyl fumarate (DEF) based printing. Furthermore, PPF-PEG-PPF triblock hydrogels have also been found in vitro to be biocompatible across a number of engineered MC3T3, NIH3T3, and primary Schwann cells.

Abstract: A surge protection device (SPD) module includes: a housing; a plurality of metal oxide varistor (MOV) wafers, respective ones of the plurality of MOV wafers having electrical characteristics that reduce an imbalance in current between the respective ones of the plurality of MOV wafers in response to an overvoltage event; and one or more electrodes, the plurality of MOV wafers and the one or more electrodes being alternately arranged in the housing.

Abstract: A surge protective device (SPD) module includes first, second and third terminals, a node connected to the third terminal, a varistor stack, a first branch, and a second branch. The varistor stack assembly includes a first varistor, a second varistor, and a node electrode interposed between the first and second varistors. The node electrode is electrically connected to the first and second varistors and includes the node. The first branch includes the first varistor connected between the first terminal and the node, and a first thermal disconnector mechanism configured to disconnect the first varistor from the first terminal or the node. The second branch includes the second varistor connected between the second terminal and the node, and a second thermal disconnector mechanism configured to disconnect the second varistor from the second terminal or the node.

Abstract: An end and monomer functionalized poly(propylene fumarate) polymer and methods for preparing this polymer, comprising isomerized residue of a maleic anhydride monomer and a functionalized propylene oxide monomer according to the formula: where n is an integer from more than 1 to 100; R is the residue of an initiating alcohol having a propargyl, norbornene, ketone or benzyl functional group; and R? is a second functional group selected from the group consisting of propargyl groups, 2-nitrophenyl groups, and combinations thereof are disclosed. The end and monomer functional groups allow for post-polymerization modification with bioactive materials using “click” chemistries and use of the polymer for a variety of applications in medical fields, including, for example, 3-D printed polymer scaffold.

Abstract: In one or more embodiments, the present invention provides a low molecular weight, non-toxic, resorbable poly(ethylene glycol) (PEG)-block-poly(propylene fumarate) (PPF) diblock copolymers and poly(propylene fumarate) (PPF)-block-poly(ethylene glycol) (PEG)-block-poly(propylene fumarate) (PPF) triblock copolymers (and related methods for their making and use) that permits hydration for the formation of such things as hydrogels and has constrained and predictable material properties suitable for 3D printing and drug delivery applications. Using continuous digital light processing (cDLP) hydrogels the diblock and triblock copolymers can be photochemically printed from an aqueous solution into structures having a 10-fold increase in elongation at break compared to traditional diethyl fumarate (DEF) based printing. Furthermore, PPF-PEG-PPF triblock hydrogels have also been found in vitro to be biocompatible across a number of engineered MC3T3, NIH3T3, and primary Schwann cells.

Abstract: In one or more embodiments, the present invention is directed to poly(propylene fumarate) polymers and polymer structures made therefrom (and related methods) that have been end and/or monomer functionalized to add functional groups for post-polymerization modification with bioactive materials or other functional species, preferably through one of many facile “click” reactions. In some embodiments, end-group functionalization is accomplished via a functionalized initiating alcohol used during polymerization. In some embodiments, functionalization of these poly(propylene fumarate) polymers is accomplished via the functionalization of the propylene oxide monomer precursors, which then form functionalized side-chains on the resulting poly(propylene fumarate) polymers.

Abstract: A downhole motor for a drillstring has a housing with upper and lower portions coupled to one another. A rotor in the lower portion has an outward tapered receptacle at one end. An extension is coupled to the rotor and is disposed relative to a seat in the housing. An outer body of the extension has an external shoulder to engage the seat with separation of the upper and lower housing portions. An end of this outer body is disposed in the outward tapered receptacle of the rotor and defines an internal taper tapering inward in an internal passage of the body. An inner body is inserted into the internal passage of the outer body. An end of the inner body wedges the internal inward taper at the end of the outer body into the outward tapered receptacle on the rotor to hold the extension on the rotor. Should the lower housing portion separate from the upper housing portion, the shoulder on the extension can engage the seat so that the motor does not fully separate.

Abstract: A health monitoring apparatus is providing, which includes a body section and a housing section that covers the body section. The body section includes a printed circuit board, a flow meter section, a first mouth probe, a second mouth probe, and a non-contact thermometer light guide. The flow meter section includes a base and a pair of channel walls extending upward from the base and a gap there between to define a fluid flow channel having a fluid receiving passageway. The first mouth probe extends outward from the fluid flow channel, and the second mouth probe is disposed axially with respect to the first mouth probe and extends outward from the fluid flow channel. The non-contact thermometer light guide is disposed along the first mouth probe and leads into the flow meter section. The non-contact thermometer light guide includes an electromagnetic radiation sensor disposed along a trailing end of the non-contact thermometer light guide.

Abstract: A vibration isolator is disclosed having a housing which defines a fluid chamber. A piston, which is movable to and from a down position, is disposed within the housing. A vibration isolation fluid is disposed within the fluid chamber. A passage having a predetermined diameter extends through the piston to permit the vibration isolation fluid to flow from one fluid chamber to the other. An elastic element is provided for reducing transmission of vibrations from the piston to the housing when the piston is at the down position.

Abstract: A label for a prescription pharmacy bottle includes a panel, a tab, and a flange. The panel defines a first side edge, a second side edge, and an aperture extending through the panel and positioned adjacent the second side edge. The tab extends from the first side edge away from the panel and rotates about the first side edge to selectively move between a first position, in which the tab substantially covers the panel, and a second position, in which the tab extends away from the panel. The flange is initially formed to extend from the second side edge away from the panel and defines a substantially planar surface coated with an adhesive. The flange is folded about the second side edge to extend behind the panel such that the adhesive on the flange extends across and is exposed through the aperture. Other labels, combinations, and methods are also disclosed.

Abstract: A method is disclosed for suppressing vibration in an aircraft having at least one pair of multiple-blade rotors. The first step of the method is to install in the aircraft at least one pair of vibration suppression devices to form a system, the devices of each system being mounted on opposing sides of the aircraft. Then, during operation of the aircraft, the next step is to rotate the at least one pair of rotors in a manner that causes the blades one of each pair of rotors to be out of phase from the other of each pair of rotors. The final step is to use the system to suppress vibrations caused by the out-of-phase rotation of the rotors.

Abstract: A system for delivering a treatment agent such as a radioactive source to a targeted treatment site within a patient's body is disclosed. Aspects of the device provided herein include a cable with contiguous sections having different flexibility characteristics made from a same material or material mixture throughout. For example, the material can mixture have first filaments made from a first material and second filaments made from a second material wherein the first material and second material having different annealing temperatures.

Abstract: A label for a prescription pharmacy bottle includes a panel, a tab, and a flange. The panel defines a first side edge, a second side edge, and an aperture extending through the panel and positioned adjacent the second side edge. The tab extends from the first side edge away from the panel and rotates about the first side edge to selectively move between a first position, in which the tab substantially covers the panel, and a second position, in which the tab extends away from the panel. The flange is initially formed to extend from the second side edge away from the panel and defines a substantially planar surface coated with an adhesive. The flange is folded about the second side edge to extend behind the panel such that the adhesive on the flange extends across and is exposed through the aperture. Other labels, combinations, and methods are also disclosed.

Abstract: A vibration isolator is disclosed having a housing which defines a fluid chamber. A piston, which is movable to and from a down position, is disposed within the housing. A vibration isolation fluid is disposed within the fluid chamber. A passage having a predetermined diameter extends through the piston to permit the vibration isolation fluid to flow from one fluid chamber to the other. An elastic element is provided for reducing transmission of vibrations from the piston to the housing when the piston is at the down position.

Abstract: A surge suppression device includes a bus bar that extends along a length of the surge suppression device. Multiple surge suppression modules each have an attachment device that attaches and detaches to the bus bar without disrupting connections of other surge suppression modules coupled to the same bus bar.

Abstract: A method is disclosed for suppressing vibration in an aircraft having at least one pair of multiple-blade rotors. The first step of the method is to install in the aircraft at least one pair of vibration suppression devices to form a system, the devices of each system being mounted on opposing sides of the aircraft. Then, during operation of the aircraft, the next step is to rotate the at least one pair of rotors in a manner that causes the blades one of each pair of rotors to be out of phase from the other of each pair of rotors. The final step is to use the system to suppress vibrations caused by the out-of-phase rotation of the rotors.

Abstract: A method and apparatus for limiting a processor clock frequency includes an overclocking prevention circuit. The overclocking prevention circuit includes a frequency limiting circuit having programmable fusible elements. The frequency limiting circuit outputs a signal identifying a maximum processor clock frequency based on the state of each of the fusible elements. A comparator circuit compares a selected processor clock frequency to the maximum processor clock frequency to determine if the selected processor clock frequency is permitted. If the selected processor clock frequency is not permitted, then the processor is not allowed to operate at the selected clock frequency.

Abstract: A surge suppression unit includes a circuit board containing electrical surge suppression components configured to redirect power surges. Anti-arcing separator walls are vertically aligned in between at least some of the electrical components for reducing electrical arcing. An epoxy may be spread in between the surge suppression components to both hold the separator walls upright while at the same time further retarding arcing. In another embodiment, the epoxy can be spread over substantially an entire top surface of the printed circuit board covering substantially all low profile electrical components while leaving a large portion of other higher profile MOVs or SADs uncovered. In yet another embodiment, the electrical components can also be covered with a fire retardant sand.

Abstract: A cardiopulmonary resuscitation (CPR) timer for use with a bag mask resuscitator provides a visual pacing device when a cardiopulmonary resuscitation procedure is being performed on a patient is disclosed. The CPR timer includes a plurality of visual indicators arranged in an array that sequentially activate at a predetermined pace that matches the recommended pace for air delivery times and/or chest compressions when using a bag mask resuscitator to provide life support to a patient. The CPR timer further includes a pressure sensor in operative association with the bag mask resuscitator for detecting when the bag mask resuscitator is actuated.