ConvaTec Technologies Inc. Patent applications |
Patent application number | Title | Published |
20160121013 | FIBRES, A PROCESS FOR PRODUCING SUCH FIBRES AND A WOUND DRESSING INCORPORATING THEM - Multi component fibres for the reduction of the damaging activity of wound exudate components such as protein degrading enzymes and inflammatory mediators in wounds, the fibres comprising: from 10% to 100% by weight of the fibres of pectin and a sacrificial proteinaceous material in a weight ratio of 100:0 to 10:90 pectin to sacrificial proteinaceous material and from 0% to 90% by weight of the fibres of another polysaccharide or a water soluble polymer. | 05-05-2016 |
20150320585 | ONE PIECE OSTOMY POUCH ENHANCEMENTS - Provided herein are methods and devices for performing in situ patterned chemistry for synthesizing and preparing peptide arrays. The invention provides a reproducible and scalable platform that can be potentially used to monitor the health of a plurality of individuals. | 11-12-2015 |
20150051542 | APPARATUS FOR PREVENTING OVER INFLATION OF THE RETENTION BALLOON IN MEDICAL CATHETERS AND AIRWAY DEVICES - The body has a fluid inlet port for receiving pressurized fluid and a fluid outlet port connected to the retention balloon. A first passage connects the fluid inlet port and the fluid outlet port. A second passage in the body is connected to the balloon fluid return path and is at the pressure of the retention balloon. A valve prevents fluid flow through the first passage when actuated. The valve includes a pressure-responsive member movable to a position to obstruct fluid flow in response to fluid pressure in the second passage exceeding the predetermined level. Flexible means such as a membrane defines a normally open portion of the first fluid passage, which is closed by the moveable means bearing on the membrane when pressure exceeding the predetermined level actuates the valve. | 02-19-2015 |
20140288517 | HIGH BARRIER ELASTOMER FECAL CATHETER OR OSTOMY POUCH - A fecal catheter or ostomy pouch made of an odor barrier material including a thermoplastic elastomer, odor barrier modifier and an antiblocking agent. | 09-25-2014 |
20140256676 | SILVER CONTAINING WOUND DRESSING - A wound dressing having anti-microbial activity comprises a first fibre capable of bonding with silver (1) cations. The wound dressing comprises a blend of the first fibre to which silver (1) cations are bonded and a second fibre which is substantially free from silver. The wound dressing comprises from 0.01 to 5.0 percent by weight of silver (1) cations, based on the weight of fibre. | 09-11-2014 |
20140251194 | WOUND DRESSING MATERIAL - A material for use as a wound dressing, the material being in the form of a roll and comprising gel forming fibers and the material having lines of longitudinal stitching. | 09-11-2014 |
20140161728 | COMPOSITION FOR DETECTING BIOFILMS ON VIABLE TISSUES - A staining composition for use in making biofilm detectable on viable tissue wherein the composition preferentially stains the biofilm and comprises a staining agent in a quantity effective to stain said biofilm and render it detectable. | 06-12-2014 |
20140107572 | VALVE SYSTEM FOR INFLATABLE MEDICAL DEVICE - The present invention relates to a valve system for an inflatable portion of an indwelling medical device and more particularly to a valve system for fluid regulation of a catheter comprising a fluid inflatable portion that undergoes pressure changes within the body during use. The present invention also relates to methods of treatment using said valve system and indwelling medical devices comprising said valve systems. | 04-17-2014 |
20140088455 | APPARATUS FOR MONITORING INTRA-ABDOMINAL PRESSURE - An improved apparatus for monitoring the intra-abdominal pressure of a hospitalized patient includes a urinary catheter connected to a urine valve having selectable communication positions between a discharge end of the urinary catheter and either a drain or a fluid source. Preferably, the urine valve has a housing adapted to resist patient discomfort from leg-valve contact. One operable protective housing may be embodied as a separate tray component. Plumbing structure desirably maintains fluid supply and drain conduits in a substantially parallel arrangement to assist routing those conduits between a patient's legs. When the urine valve is oriented for communication to the fluid source, an infusion pump may be used to introduce a known quantity of fluid through the urine valve and into the patient's bladder where the fluid's pressure can be measured. Desirably, a double check valve is included in a fluid supply path and arranged to permit repetitive operation of a syringe to inject a bolus of fluid into the patient's bladder. Subsequent to making a pressure measurement, the urine valve is returned to the bladder draining position. | 03-27-2014 |
20140058344 | INTEGRATED SYSTEM FOR ASSESSING WOUND EXUDATES - An integrated system for assessing wound exudates from the wound of a patient is described. The system may contain functionality to detect, process and report various wound parameters. The system also may make treatment determinations based on these findings. The system may detect one or more physiological values of the wound exudates from the wound of the patient. The system may means for comparing the one or more detected physiological values to predetermined physiological values in order to obtain a comparison result in real time. The system may include a processor | 02-27-2014 |
20140056993 | COMPOSITION COMPRISING ANTIMICROBIAL METAL IONS AND A QUATERNARY CATIONIC SURFACTANT - The present invention relates to an antimicrobial composition suitable for use on skin and wounds comprising a source of an antimicrobial metal ion and a quaternary cationic surfactant. | 02-27-2014 |
20140052063 | APPARATUS FOR PREVENTING OVER INFLATION OF THE RETENTION BALLOON IN MEDICAL CATHETERS AND AIRWAY DEVICES - The body has a fluid inlet port for receiving pressurized fluid and a fluid outlet port connected to the retention balloon. A first passage connects the fluid inlet port and the fluid outlet port. A second passage in the body is connected to the balloon fluid return path and is at the pressure of the retention balloon. A valve prevents fluid flow through the first passage when actuated. The valve includes a pressure-responsive member movable to a position to obstruct fluid flow in response to fluid pressure in the second passage exceeding the predetermined level. Flexible means such as a membrane defines a normally open portion of the first fluid passage, which is closed by the moveable means bearing on the membrane when pressure exceeding the predetermined level actuates the valve. | 02-20-2014 |
20130304007 | METHOD AND SYSTEM FOR REMOVING EXUDATES FROM A WOUND SITE - An apparatus ( | 11-14-2013 |
20130304006 | WOUND EXUDATE MONITOR ACCESSORY - A stand-alone system for assessing wound exudates from the wound of a patient is described. The system contains functionality to detect, process and report various wound parameters. The system also may make treatment determinations based on these findings. The system may detect one or more physiological values of the wound exudates from the wound of the patient. The system may also compare detected physiological values to predetermined physiological values, in order to obtain a comparison result in real time. The system may include a processor ( | 11-14-2013 |
20130296762 | SELF-SEALING DRESSING - A self-sealing dressing ( | 11-07-2013 |
20130217649 | SILVER CONTAINING WOUND DRESSING - A wound dressing having anti-microbial activity comprises a first fibre capable of bonding with silver (1) cations. The wound dressing comprises a blend of the first fibre to which silver (1) cations are bonded and a second fibre which is substantially free from silver. The wound dressing comprises from 0.01 to 5.0 percent by weight of silver (1) cations, based on the weight of fibre. | 08-22-2013 |
20130152309 | ANTIBACTERIAL WOUND DRESSING - An antibacterial wound dressing is based on or derived from gel-forming fibres such as carboxymethyl cellulose or alginate fibres having silver ions linked thereto at some but not all of the exchangeable sites such that the distribution of silver ions over the exchangeable sites is substantially uniform. The silvered fibres for the wound dressing can be prepared by contacting an assembly of precursor gel-forming fibres having exchangeable sites under conditions which do not cause irreversible gelling of the fibres with an amount of a solution containing silver ions so as to link silver ions at some but not all of the exchangeable sites, the whole of the assembly of precursor gel-forming fibres being contacted essentially simultaneously with the entire solution containing silver ions. | 06-20-2013 |
20130085463 | OSTOMY POUCH WITH FILTERING SYSTEM - An ostomy appliance including an ostomy pouch with a filter and a center pleated panel to protect the filter, facilitate deodorization and deter ballooning. | 04-04-2013 |
20120208974 | AMPHIPHILIC PRESSURE SENSITIVE ADHESIVES FOR HUMAN SKIN ADHESION - The present invention relates to amphiphilic pressure sensitive adhesives, specifically, pressure sensitive adhesives with amphiphilic copolymers which improve adhesion under moist environment. The amphiphilic copolymers comprise at least one hydrophobic acrylic monomer or oligomer and at least one hydrophilic or amphiphilic monomer or oligomer. The present invention also relates to the use of such adhesives in securing medical devices to human skin. | 08-16-2012 |
20120179124 | CONTROLLED DISCHARGE OSTOMY APPLIANCE AND SHIELD THEREFOR - A controlled discharge ostomy appliance assembly comprises (i) a stoma seal that is self-urging with a dynamic damping characteristic that resists changes of seal volume, (ii) a press-fit coupling member displaceable from an unlocked position to a locked position as part of a press-fit process, and (iii) a single-use frangible portion. The assembly further includes a protector shield removably fastened to the appliance forming a combined assembly therewith. The protector shield comprises (i) a seal displacer manipulable for displacing the stoma seal to a non-operative position ready for fitting, (ii) a substantially rigid coupling member guard portion for protecting the state of the coupling member, and (iii) a bracing portion for bracing the single-use frangible portion. | 07-12-2012 |
20120165717 | MEDICAL COMPRESSION PRODUCT, SYSTEM UTILIZING SUCH PRODUCT, AND PROGRAM FOR USE THEREWITH - A medical compression product (“MCP”) for applying pressure to a limb of a patient may include one or more sensors integrally united therewith for measuring information indicative of the pressure applied by the MCP. The sensors may be permanently or removably attached to the MCP, and the sensors may be grouped into particular predetermined regions. The sensors may communicate (e.g., by use of wires or wirelessly) with a computer system that provides information to the user regarding the application of the MCP. The MCP may include bandages in the form of elongated fabric strips and tubular hosiery products. Wires connected to the sensors and communicating with the computer system may be aligned along or transverse to the longitudinal dimension of the bandage. | 06-28-2012 |
20120164615 | TRAINING SYSTEM FOR APPLYING A MEDICAL COMPRESSION PRODUCT, AND A DEVICE AND PROGRAM FOR USE THEREWITH - A system for training a practitioner to apply a medical compression product (“MCP”) may include an artificial limb having a geometry representative of a limb of a patient and a plurality of sensors disposed on the artificial limb. The artificial limb may be adapted for the practitioner to apply an MCP (e.g., a bandage) thereto, and the training system may be configured to provide feedback information to the practitioner regarding the application of the MCP. The feedback information may include quantitative information, such as: numerical values representing the pressure applied by the MCP to the limb at various locations; target pressure values; and numerical differences between the target and applied pressure values. The feedback information may also include qualitative information, such as: color coded pressure maps, and text and/or audio signals. | 06-28-2012 |
20120109086 | CONTROLLED DISCHARGE OSTOMY APPLIANCE AND MOLDABLE ADHESIVE WAFER - A controlled discharge ostomy appliance is described for use with an adhesive body fitment. The body fitment comprises an adhesive wafer having a stomal aperture that is manually shapeable by folding or rolling back a rim portion of the adhesive around the stomal aperture. | 05-03-2012 |
20120109036 | PRESSURE SENSITIVE ADHESIVES WITH AMPHIPHILIC COPOLYMERS - A silicone pressure sensitive adhesive with amphiphilic copolymers for maintaining adhesion in a moist environment. The amphiphilic copolymers for silicone adhesives include at least one silicone moiety and at least one hydrophilic segment. Such adhesives are applicable to securing medical devices to human skin. | 05-03-2012 |
20120108749 | AMPHIPHILIC SILICONE COPOLYMERS FOR PRESSURE SENSITIVE ADHESIVE APPLICATIONS - Silicone pressure sensitive adhesive compositions including amphiphilic copolymers. The amphiphilic copolymers are based on a polydimethylhydrogensiloxane or polydimethylsiloxane based macroinitiator. A medical device including said pressure sensitive adhesive compositions for securing the device to human skin or tissue. | 05-03-2012 |
20120065602 | VACUUM WOUND DRESSING - Provided, in one embodiment, is a vacuum wound dressing for covering a wound bed comprising: a wound contact layer comprising a fibrous blend or fibrous material that forms a cohesive gel when wetted by wound exudate; a source of vacuum situated to be separated from the wound bed by the wound contact layer; and a vacuum sealing layer covering the wound contact layer and adapted to retain relative vacuum in the wound contact layer, wherein (i) the dressing is essentially missing a non-gelling, foam layer in which the source of vacuum is situated or (ii) the vacuum sealing layer comprises as an outer layer a foam layer. | 03-15-2012 |
20110319808 | ANTIMICROBIAL COMPOSITION - A composition for use on skin and wounds, comprising a photo-catalyst which is capable of preferentially staining biofilms the composition being for use in the diagnosis and treatment of biofilms in wounds. | 12-29-2011 |
20110295236 | RECTAL DRAIN APPLIANCE - A rectal drainage appliance is disclosed comprising a tubular element having an inflatable balloon at a distal end for anchoring the appliance in the rectum. The appliance includes one or more of: (i) first and second auxiliary lumens communicating with the inflatable balloon to provide independent inflation and pressure monitoring paths coupled to the balloon; (ii) a pressure state indicator defined by a mechanical element configured to flip between first and second states or shapes responsive to sensed pressure; and (iii) a collapsible auxiliary lumen larger than the inflation lumen, and configured to permit admission of irrigation fluid. The pressure state indicator may also be used in intestinal drains. | 12-01-2011 |
20110213322 | OSTOMY APPLIANCE WITH MOLDABLE ADHESIVE - A body fitment for an ostomy appliance comprises an adhesive wafer including a moldable region shapable by the user. A removable release liner covering an external adhesive surface of the wafer is configured to permit molding of the moldable region by manually manipulating the adhesive through the release liner, and/or with removable segments. In an alternative form, an interior release liner is removable through the entrance aperture of the wafer, by pulling on a grip portion that protrudes through the entrance aperture. In an alternative form, an ostomy pouch includes a finger pocket in a front pouch wall, for permitting insertion of a finger tip for molding the moldable region of an adhesive wafer that is secured around a stomal aperture in a rear pouch wall. | 09-01-2011 |
20110213321 | OSTOMY POUCH APPLIANCE - A coupling assembly for fastening an adhesive wafer to an ostomy appliance device, the coupling assembly including a captive connection between the adhesive wafer and ostomy appliance that permits captive relative displacement between the entire adhesive wafer and the entrance aperture of the appliance, to facilitate access to the wafer from the non-body-contacting side. The coupling assembly further comprises a fixation coupling for fixing the adhesive wafer in the operative position. | 09-01-2011 |
20110118684 | ADHESIVE OSTOMY COUPLING - An adhesive ostomy coupling comprises first and second coupling parts each having a respective orifice. The first coupling part includes an upstanding wall for entering the orifice of the second coupling part. The second coupling part includes an adhesive faceplate for adhering to the first coupling part outside the upstanding wall. The upstanding wall and the faceplate form an interference fit at a position corresponding to the inner periphery of the adhesive, to protect the adhesive from effluent attack. The upstanding wall has an undercut for interlocking with the adhesive faceplate of the second coupling part. The upstanding wall also acts as a guide to prevent mispositioning of the pouch when mounting the adhesive faceplate on the complementary flange. | 05-19-2011 |
20110092929 | OSTOMY APPLIANCES FOR EFFLUENT CONTROL - A stoma extender includes a first end for insertion into a stoma for diverting stomal effluent into the stoma extender before the effluent exits the stoma; a second end for remaining external of the stoma, for providing a discharge exit for stomal effluent; and a conduit portion coupled between the first and second ends for communicating stomal effluent through the stoma extender, wherein the length of the conduit portion is adjustable stably, to permit adaptation of the stoma extender to an individual's stoma. | 04-21-2011 |
20110071485 | ADAPTOR FOR OSTOMY COUPLING - An adapter is disclosed for an ostomy coupling. The adapter provides a floatable coupling characteristic to an ostomy body fitment that has a non-floatable coupling part. The adapter comprises a first coupling part for attaching to the non-floating coupling part of the body fitment, a second coupling part for releasably attaching to an ostomy appliance, and a flexible collar between the first and second coupling parts. The flexible collar permits the second coupling part to be displaced away from the first coupling part, thereby creating a space for an ostomate to manually brace the second coupling part against an attachment force when an appliance is fitted. | 03-24-2011 |
20110066091 | ELECTRO ACTIVE COMPRESSION BANDAGE - The proposed device includes two segments adapted to enclose a body part in a form-fitting manner. Each segment contains an electroactive-material-based actuator, which is adapted to receive an electrical control signal and in response thereto adjust the actuator's morphology, so as to cause the segment to apply a basic pressure profile to the body part. A pressure transition is adapted to redistribute the basic pressure profiles between the first and second segments. A control signal in respect of the first segment causes the pressure transition system to apply a first adjusted pressure profile to at least part of the second portion of the body part, and vice versa, a control signal in respect of the second segment causes the pressure transition system to apply a second adjusted pressure profile to at least a part of the first portion of the body part. | 03-17-2011 |
20110040269 | FLUID FILLED SEAL FOR CONTACTING THE HUMAN BODY - A medical device such as a controlled discharge ostomy appliance comprises a fluid filled seal for sealing around a body orifice (stoma). The fluid filled seal comprises a fluid chamber including a fluid impermeable membrane that forms a movabable wall of the fluid chamber, one or more ports communicating with the chamber; and resilient foam disposed within the fluid chamber. The foam tends to expand the chamber to seal against the body. The port controls the inlet and exhaust of fluid from the chamber, in response to movement of the body away from, or towards, the seal. | 02-17-2011 |
20110028924 | DRAINABLE OSTOMY POUCH - A drainable ostomy pouch includes a collection portion and a drain chute portion extending from the collection portion and having a discharge opening for permitting emptying of contents from the pouch. The drain chute is foldable between an open condition in which the drain chute portion is extended from the collection portion, and a closed condition in which the drain chute portion is folded towards the collection portion. At least one flap retains the folded drain chute portion. | 02-03-2011 |
20100241092 | OSTOMY APPLIANCE - An ostomy appliance comprises a pouch having first and second walls, with an inlet aperture in the first wall. A stoma seal is carried by the second wall, and is disposed generally in register with the inlet aperture for sealing against a stoma in use. An outer coupling element is coupled to the first wall and surrounds the inlet aperture. An inner coupling element for supporting the stoma seal, is coupled to the second wall and/or to the stoma seal. The outer coupling element surrounds a periphery of the inner coupling element. The stoma seal may be of an inflatable type or an insertable type. Manipulation tabs may be provided associated with the inner and outer coupling elements. | 09-23-2010 |
20100211033 | TAP FOR A DRAINAGE BAG - A urine drainage bag, such as a urostomy bag, includes a drainage tap. The tap includes a tap member mounted to a housing so as to be pivotably movable between a closed, stowed position and an open, deployed position. In the closed position, the tap member is accommodated substantially within a chamber of the housing. The housing is disposed between front and rear walls of the bag, such that the tap is integrated into the seam of the bag. The tap further comprises a drip cap that is captively mounted on the tap member. A portion of the drip cap acts as a handle for pulling on the tap member. A portion of the drip cap also acts as a retainer or lock for blocking accidental closing of the tap member when attached to a night drainage apparatus. | 08-19-2010 |
20100211032 | ASPIRATION SYSTEM FOR REMOVING URINE DISCHARGED BY THE HUMAN BODY, AND LIQUID SENSOR THEREFOR - An aspiration system for removing urine from the human body comprises a disposable body interface device having a liquid collection chamber. A detachable or permanently attached non-contact liquid sensor disposed outside the liquid collection chamber detects the presence of urine within the chamber. The non-contact sensor is selected from: a capacitance sensor; an ultrasonic sensor; a piezo-resonant sensor; and a temperature sensor. | 08-19-2010 |
20100211029 | ASPIRATION SYSTEM FOR REMOVING LIQUID OTHER THAN URINE DISCHARGED BY THE HUMAN BODY - An aspiration system for removing liquid other than urine, which liquid is discharged from the human body, comprises a disposable body interface device having a liquid collection chamber. A liquid sensor detects the presence of liquid within the chamber, and controls application of aspiration suction to remove liquid from the liquid collection region. The body interface device may be a wound dressing, and the liquid wound exudate. The aspiration suction is controlled to remove only excess wound exudate. | 08-19-2010 |
20100174253 | Ostomy Appliance - A stoma adapter is described that is especially suited to a recessed stoma or a flush stoma. The stoma adapter effectively extends the discharge passage from the stoma, protects peristomal skin, and forms a bridge at the interface between the stoma and an ostomy appliance. The stoma adapter contains a substantially unobstructed discharge passage, at least for effluent flowing in a discharge direction. The stoma adapter includes a seal for sealing against the bowel wall. The stoma adapter has collapsing, expanding, flexible and reinforced designs. | 07-08-2010 |
20100144669 | DISSOLUTION AND PROCESSING OF CELLULOSE - The invention relates to a method for dissolving the components of gel forming materials suitable for use in wound care comprising the steps of admixing said components with an ionic liquid. The ionic liquid may be selected from the group of tertiary amine N-oxides, N,N-dimethyl formamide/nitrogen tetroxide mixtures, dimethyl sulphoxide/paraformaldehyde mixtures and solutions of limium chloride in N,N-dimethyl acetamide or N-methylpyrrolidone. | 06-10-2010 |
20100130889 | ELASTOMERIC PARTICLE HAVING AN ELECTRICALLY CONDUCTING SURFACE, A PRESSURE SENSOR COMPRISING SAID PARTICLES, A METHOD FOR PRODUCING SAID SENSOR AND A SENSOR SYSTEM COMPRISING SAID SENSORS - An elastomeric particle ( | 05-27-2010 |
20100100064 | OSTOMY DEVICES WITH MUCOADHESIVES - The present invention provides a biocompatible adhesive for securely adhering ostomy appliances simultaneously to the body and the stoma. The ostomy appliance is comprised of an adhesive component and a body waste collector component, wherein the adhesive component includes a mucoadhesive component. The mucoadhesive component comprises a polymer with functional groups that provide adhesion to skin and stoma. | 04-22-2010 |
20100069859 | SEAL FOR AN OSTOMY APPLIANCE - An ostomy appliance is disclosed with an inflatable seal for sealing against the stoma. The inflatable seal has a first inflatable chamber portion for fitting inside the stoma to seal against the internal tissue. The inflatable seal also has a second inflatable chamber portion for sealing externally against the stoma and peristomal skin. In one embodiment, a tube extends through the inflatable seal to provide a communication passage for discharge of body waste without removing the inflatable seal. The tube floats with respect to an adhesive mounting member to allow a waist between the first and second inflatable chamber portions to self-locate in the stoma. | 03-18-2010 |
20100022976 | SEAL FOR A RECTAL OR OSTOMY APPLIANCE - A rectal appliance with a tubular member defining a communication passage for body waste, and first and second inflatable chamber portions carried on the tubular member for forming internal and external seals with respect to the anus. One or both of the inflatable chamber portions have a partly flared shape. The second inflatable chamber portion has a low external profile, and a concave sealing surface. The inflatable chamber portions are defined at least partly by a common flexible membrane that is constrained near a middle region to define a narrow waist between the two inflatable chamber portions. | 01-28-2010 |
20100021552 | POLYSACCHARIDE NANOFIBERS HAVING ANTIMICROBIAL PROPERTIES - Polysaccharide nanofibers having anti-microbial properties, said nanofibers comprising an alginate and having silver nanoparticles dispersed throughout the nanofibers. | 01-28-2010 |
20090287130 | WOUND DRESSING - A wound dressing comprising a layer in the form of a strip and comprising gel-forming fibers, the strip having longitudinal lines of stitches formed from a thread and transverse lines of stitches formed from a thread. | 11-19-2009 |