Abstract: This disclosure generally relates to catheters, methods of enhancing the patency of an intravascular catheter and compositions, methods, devices and kits relating to the infusion of a catheter lock solution into an indwelling catheter. Disclosed compositions, methods, devices and kits aid in diminishing the effects of microbial infection in catheters and occlusion of the catheters. A representative lock solution includes about 10% sodium citrate and about 1.5% benzyl alcohol. The solution has a density approximating the density of blood for retention of the solution in a catheter during the lock period.

Abstract: In one aspect, compositions provide antimicrobial therapy as topical disinfectants. Particularly, one aspect relates to an alcohol containing antimicrobial composition that includes at least one paraben, a redox compound and an organic acid at a concentration of from about 1.5 percent to about 10 percent by weight, based on the total weight of the composition. In other aspects, antimicrobial compositions are used to topically sanitize wounds, skin areas and/or to disinfect surgical instruments or other surfaces. Still, in further aspects, methods, devices and kits relating to an antimicrobial composition are provided.

Abstract: In one aspect of the invention, a method includes determining an amount of carbon dioxide (CO2) in dialysate flowing through a dialysis system using a CO2 sensor associated with the dialysis system, determining, using a pH sensor associated with the dialysis system, a pH level of the dialysate, and calculating a level of bicarbonate in the dialysate based at least in part on the determined amount of CO2 measured in the gas and the determined pH level of the dialysate.

Abstract: A catheter for providing a blood flow includes first and second lumen parts having a distal portion with at least one port for delivering and receiving the flow from a patient and a non-linear profile along the distal portion.

Abstract: A catheter for providing a blood flow includes a wall defining at least one lumen extending between a distal end and a proximal end. A distal end portion of the catheter is deformable to selectively open and close one or more ports in the wall to allow the blood flow into or out of the at least one lumen of the catheter.

Abstract: In one aspect of the invention, a method includes determining an amount of carbon dioxide (CO2) in dialysate flowing through a dialysis system using a CO2 sensor associated with the dialysis system, determining, using a pH sensor associated with the dialysis system, a pH level of the dialysate, and calculating a level of bicarbonate in the dialysate based at least in part on the determined amount of CO2 measured in the gas and the determined pH level of the dialysate.

Abstract: This invention relates to compositions, methods, devices and kits relating to the infusion of a catheter lock solution into an indwelling catheter. Inventive compositions, methods, devices and kits aid in diminishing the effects of microbial infection in catheters and occlusion of the catheters. A lock solution provided by the invention includes citrate and a paraben. The solution preferably has a density suitable for retention of the solution in a catheter during the lock period. Another lock solution provided by the invention includes citrate, a paraben and a photo-oxidant, such as, for example, methylene blue.

Abstract: In one aspect of the invention, a method includes determining an amount of carbon dioxide (CO2) in dialysate flowing through a dialysis system using a CO2 sensor associated with the dialysis system, determining, using a pH sensor associated with the dialysis system, a pH level of the dialysate, and calculating a level of bicarbonate in the dialysate based at least in part on the determined amount of CO2 measured in the gas and the determined pH level of the dialysate.

Abstract: A catheter configured with an elongate tube and a diffuser is disclosed. The diffuser may be configured to facilitate high flow rates through the catheter and to resist blockage of openings disposed within the body. Further, the catheter may be comprised of flexible materials to facilitate delivery into and removal from the body. In some embodiments the diffuser may be generally disc shaped.

Abstract: In one aspect, compositions provide antimicrobial therapy as topical disinfectants. Particularly, one aspect relates to an alcohol containing antimicrobial composition that includes at least one paraben, a redox compound and an organic acid at a concentration of from about 1.5 percent to about 10 percent by weight, based on the total weight of the composition. In other aspects, antimicrobial compositions are used to topically sanitize wounds, skin areas and/or to disinfect surgical instruments or other surfaces. Still, in further aspects, methods, devices and kits relating to an antimicrobial composition are provided.

Abstract: In one aspect, compositions provide antimicrobial therapy as topical disinfectants. Particularly, one aspect relates to an alcohol containing antimicrobial composition that includes at least one paraben, a redox compound and an organic acid at a concentration of from about 1.5 percent to about 10 percent by weight, based on the total weight of the composition. In other aspects, antimicrobial compositions are used to topically sanitize wounds, skin areas and/or to disinfect surgical instruments or other surfaces. Still, in further aspects, methods, devices and kits relating to an antimicrobial composition are provided.

Abstract: A system for separating water from debris. A gutter cover is secured to a gutter and extends to engage the top of the roof adjacent the gutter along a contact line. The gutter cover may have a perforate surface comprising closely spaced and normally water impervious holes through the gutter cover such that water does not flow through the holes unless the water is forced through the holes or attracted through the holes. The line of contact forms an imperfect junction between the edge of the gutter cover and the roof so that water flows through the contact line and beneath the gutter cover.

Abstract: Disclosed herein are various embodiments of catheters configured to reduce, minimize or prevent occlusion of blood flow resulting from thrombus or fibrin sheath formation, related systems, and methods of use.

Abstract: A catheter configured with an elongate tube and a diffuser is disclosed. The diffuser may be configured to facilitate high flow rates through the catheter and to resist blockage of openings disposed within the body. Further, the catheter may be comprised of flexible materials to facilitate delivery into and removal from the body. In some embodiments the diffuser may be generally disc shaped.

Abstract: This invention relates to compositions, methods, devices and kits relating to the infusion of a catheter lock solution into an indwelling catheter. Inventive compositions, methods, devices and kits aid in diminishing the effects of microbial infection in catheters and occlusion of the catheters. A lock solution provided by the invention includes citrate and a paraben. The solution preferably has a density suitable for retention of the solution in a catheter during the lock period. Another lock solution provided by the invention includes citrate, a paraben and a photo-oxidant, such as, for example, methylene blue.

Abstract: An ammonia gas sensing device includes a housing defining a fluid flow path. The fluid flow path includes a fluid inlet, a fluid outlet, and an access port. A gas permeable/liquid impermeable membrane is mounted on and sealed against the housing at the access port such that the membrane is exposed to the fluid flow path but fluid is blocked from flowing outward of the access port around rather than through the membrane. An ammonia sensor is mounted on the housing at the access port in a position outward of the membrane. A system for using the ammonia sensing device includes the ammonia gas sensing device, a light source directed at the ammonia sensor, a photo detector to measure the light reflected off the ammonia sensor from the light source, and a controller for controlling the light source and optical sensor.

Abstract: In one aspect, compositions provide antimicrobial therapy as topical disinfectants. Particularly, one aspect relates to an alcohol containing antimicrobial composition that includes at least one paraben, a redox compound and an organic acid at a concentration of from about 1.5 percent to about 10 percent by weight, based on the total weight of the composition. In other aspects, antimicrobial compositions are used to topically sanitize wounds, skin areas and/or to disinfect surgical instruments or other surfaces. Still, in further aspects, methods, devices and kits relating to an antimicrobial composition are provided.

Abstract: This invention relates to compositions, methods, devices and kits relating to the infusion of a catheter lock solution into an indwelling catheter. Inventive compositions, methods, devices and kits aid in diminishing the effects of microbial infection in catheters and occlusion of the catheters. A lock solution provided by the invention includes citrate and a paraben. The solution preferably has a density suitable for retention of the solution in a catheter during the lock period. Another lock solution provided by the invention includes citrate, a paraben and a photo-oxidant, such as, for example, methylene blue.

Abstract: In one aspect of the invention, a method includes determining an amount of carbon dioxide (CO2) in dialysate flowing through a dialysis system using a CO2 sensor associated with the dialysis system, determining, using a pH sensor associated with the dialysis system, a pH level of the dialysate, and calculating a level of bicarbonate in the dialysate based at least in part on the determined amount of CO2 measured in the gas and the determined pH level of the dialysate.

Abstract: A system for separating water from debris. A gutter cover is secured to a gutter and extends to engage the top of the roof adjacent the gutter along a contact line. The gutter cover may have a perforate surface comprising closely spaced and normally water impervious holes through the gutter cover such that water does not flow through the holes unless the water is forced through the holes or attracted through the holes. The line of contact forms an imperfect junction between the edge of the gutter cover and the roof so that water flows through the contact line and beneath the gutter cover.