| Patent Number |
Title Of Patent |
Date Issued |
| D361130 |
Combined integrated cylindrical heat exchanger and square oxygenator |
August 8, 1995 |
|
| D350398 |
Catheter sterilizing cassette |
September 6, 1994 |
|
| 7138087 |
Apparatus and method for steam reprocessing flexible endoscopes |
November 21, 2006 |
| A system for reprocessing flexible endoscopes having lumen therein. The reprocessing system deploys steam to disinfect and/or sterilize the endoscopes, and designs, components and methods for reducing or balancing the reprocessing cycle time and the effects of thermal expansion and c |
| 7061597 |
Endoscope reprocessing and sterilization system |
June 13, 2006 |
| A system for reprocessing and sterilizing a previously used endoscope having at least one lumen is disclosed. The reprocessing system includes a reaction chamber into which individual chemical components of a sterilant are transferred by pneumatic force. The system includes a central |
| 6884392 |
Apparatus and method for steam reprocessing flexible endoscopes |
April 26, 2005 |
| A system for reprocessing flexible endoscopes having lumen therein. The reprocessing system deploys steam to disinfect and/or sterilize the endoscopes, and designs, components, and methods for reducing or balancing the reprocessing cycle time and the effects of thermal expansion and |
| 6830367 |
Dialysis solution system and mixing tank |
December 14, 2004 |
| A low-profile tank and system for mixing dry chemicals with water to form a concentrated hemodialysis solution, the tank having a fluid supply nozzle projecting into a cylindrical side wall of the tank, and a drain connection at an apex of a conical bottom wall of the tank. A cavity |
| 6797234 |
Reverse flow sterilizing method |
September 28, 2004 |
| A device and method for cleaning and sterilizing tubular structures particularly, long, narrow tubular structures such as lumens of a medical device such as an endoscope by reversing the flow of fluid in interconnected tubular structures. The device comprises a first and second valve |
| 6793880 |
Apparatus and method for monitoring biofilm cleaning efficacy |
September 21, 2004 |
| Methods and devices for determining the efficacy of a cleaning, disinfecting, or sterilizing process intended to remove biofilms are provided. The devices involve a biofilm sample, a biofilm indicator, and a simulated endoscope. |
| 6632397 |
Multi-part anti-microbial concentrate system, activated solution, use-dilution solution, method |
October 14, 2003 |
| The present invention relates to a two-part or multi-part concentrate system for preparing an activated solution which can be diluted with water to a use-dilution solution having improved anti-corrosive properties at room temperature. The concentrate system contains a first component |
| 6585934 |
Endoscope reprocessing and sterilization system |
July 1, 2003 |
| A system for reprocessing and sterilizing a previously used endoscope having at least one lumen is disclosed. The reprocessing system includes a reaction chamber into which individual chemical components of a sterilant are transferred by pneumatic force. The system includes a central |
| 6439246 |
Reverse flow cleaning method for medical devices |
August 27, 2002 |
| A method for cleaning the lumens of a medical device such as an endoscope by providing a flow and a reverse flow of fluids in interconnected lumens of the medical device. |
| 6309543 |
Dialyzer coupling device |
October 30, 2001 |
| A coupling device that reduces the risk of cross-contamination of dialyzers during reprocessing by providing a reusable, easily disinfected connector for coupling a dialyzer to, e.g., the blood line of a dialyzer reprocessing system. The coupling device is in the form of a one-piece |
| 6261457 |
Method and product for cleaning hollow fiber material and filter |
July 17, 2001 |
| A peracetic acid disinfectant is used to clean particulate inorganic materials such as calcium and magnesium from fibers and filters. The method allows polysulfone filtens in particulate to be reused after soaking for at least about 18 hours, and most preferably at least about 24 hou |
| 6251437 |
Liquid/powder acid concentrate for dialysate and a method of making the same |
June 26, 2001 |
| A hemodialysis acid concentrate which includes, before mixing, sodium chloride powder and sometimes dextrose powder as a powder component, and a liquid component which contains some or all of the following: potassium chloride, magnesium chloride, sodium chloride, dextrose, calcium chlori |
| 6192900 |
Method of cleaning a dialyzer header |
February 27, 2001 |
| A method of cleaning precleaning the header of a used dialyzer is provided. The method includes providing a precleaner header selectively coupled to a dialyzer header cap. The precleaner header includes a needle having an inlet in fluid communication with a source of cleaning fluid and a |
| 6068815 |
Endoscope reprocessing and sterilization system |
May 30, 2000 |
| A system for reprocessing and sterilizing a previously used endoscope having at least one lumen is disclosed. The reprocessing system includes a reaction chamber into which individual chemical components of a sterilant are transferred by pneumatic force. The system includes a central |
| 6050278 |
Dialyzer precleaning system |
April 18, 2000 |
| A dialyzer precleaning system for coupling a source of fluid to a used dialyzer. The precleaning system includes a precleaner header that includes a housing with a needle receiving channel and a connected waste discharge channel, a needle with a plurality of fluid discharge perforati |
| 5863501 |
Oxygenator priming method |
January 26, 1999 |
| A method for improving priming of an integrated oxygenator and heat exchanger which includes pretreating the integrated hollow fiber oxygenator and heat exchanger device with a surfactant. Pretreating the device coats the interior surfaces of the integrated hollow fiber oxygenator an |
| 5840343 |
Room temperature sterilant for medical devices |
November 24, 1998 |
| Provided is an anti-microbial composition containing an ester of formic acid, an oxidizer, performic acid and water. Also provided is a premix for making the anti-microbial composition having two parts. One part contains the ester of formic acid and a second part contains the oxidizer. A |
| 5770073 |
Combined cardiotomy and venous reservoir |
June 23, 1998 |
| A combined venous and cardiotomy blood reservoir is provided that includes a rigid shell having a top, a bottom, and a continuous side wall. The top and bottom walls are connected to the continuous side walls so as to define a reservoir for venous and cardiotomy blood. A double column |
| 5766480 |
Method for priming a hollow fiber oxygenator |
June 16, 1998 |
| A method is provided for priming a hollow fiber oxygenator which is integrated with a hollow tube heat exchanger. A closed priming circuit is created between a cardiosurgery reservoir, the combined hollow fiber oxygenator and heat exchanger and a vacuum source. Vacuum pressure is app |
| 5762798 |
Hollow fiber membranes and method of manufacture |
June 9, 1998 |
| An asymmetrical, microporous, hollow fiber membrane is made from a polymeric dope mixture of polysulfone and polyvinyl pyrrolidone dissolved in an aprotic solvent. The physical morphology of the hollow fiber membrane, i.e., the asymmetric microporous wall, is rapidly formed by passin |
| 5718869 |
Wound heat exchanger oxygenator |
February 17, 1998 |
| A low prime, high heat exchange efficiency oxygenator is provided which includes an oxygenation portion and a heat exchanger portion. Disposed within the heat exchanger portion is a hollow tube heat exchanger wound bundle which includes a plurality of hollow tubes knitted into a mat, the |
| 5706889 |
Wound heat exchanger oxygenator |
January 13, 1998 |
| A low prime, high heat exchange efficiency oxygenator is provided which includes an oxygenation portion and a heat exchanger portion. Disposed within the heat exchanger portion is a hollow tube heat exchanger wound bundle which includes a plurality of hollow tubes knitted into a mat, the |
| 5683584 |
Hollow fiber membranes and method of manufacture |
November 4, 1997 |
| An asymmetric, microporous hollow fiber membrane comprising a polyimide is disclosed. The hollow fiber membrane is chemically inert to aqueous solutions and/or blood, is immediately rewettable after repeated steam and chemical sterilizations, has superior clearance, sieving, and water |
| 5656302 |
Stable, shippable, peroxy-containing microbicide |
August 12, 1997 |
| A stable, shippable microbicidal composition including between about 0.2 to 8% hydrogen peroxide, about 0.2 to 11% peracetic plus acetic acid, 0 to about 1.0% sequestrant such as organic phosphonic acid or its salt and water, and surfactant between 0 and about 1% with the ratio of total |
| 5635195 |
Premix for room temperature sterilant |
June 3, 1997 |
| Provided is an anti-microbial composition containing an ester of formic acid, an oxidizer, performic acid and water. Also provided is a premix for making the anti-microbial composition having two parts. One part contains the ester of formic acid and a second part contains the oxidizer. A |
| 5616616 |
Room Temperature sterilant |
April 1, 1997 |
| Provided is an anti-microbial composition containing an ester of formic acid, an oxidizer, performic acid and water. Also provided is a premix for making the anti-microbial composition having two parts. One part contains the ester of formic acid and a second part contains the oxidizer. A |
| 5605627 |
Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a poly |
February 25, 1997 |
| A dialysate filter including asymmetric, microporous, hollow fiber membranes incorporating a polyimide. The dialysate filter connects to the dialysis machine immediately before the dialyzer ensuring complete filtration of the dialysate, easy visual inspection, quick installation and |
| 5589507 |
Method for sterilizing medical devices utilizing a room temperature sterilant |
December 31, 1996 |
| Provided is an anti-microbial composition containing an ester of formic acid, an oxidizer, performic acid and water. Also provided is a premix for making the anti-microbial composition having two parts. One part contains the ester of formic acid and a second part contains the oxidizer. A |
| 5578267 |
Cylindrical blood heater/oxygenator |
November 26, 1996 |
| A combination heat exchanger and oxygenator device is provided. The device includes a generally cylindrical housing having first and second compartments with hollow heat exchange tubes and hollow gas exchange tubes disposed therein, a blood inlet, a blood outlet, a heat exchanges medium |
| 5573526 |
Soft shell reservoir |
November 12, 1996 |
| A soft shell reservoir bag is provided as a storage reservoir for blood in a bypass extracorporeal circuit during open heart surgery. The reservoir bag is constructed to allow for the easy venting of air and to prevent the accidental delivery of air to patient. Blood enters the reservoir |
| 5554283 |
Hollow fiber filter having a porous collar/ring seal |
September 10, 1996 |
| A unique hollow fiber filter cartridge that allows repeated autoclaving without any deleterious breaks in sealing integrity between the potted fiber bundle and the filter module is disclosed. The unique filter cartridge braodly includes a casing that has at least one open end with an |
| 5543002 |
Method of manufacture of hollow fiber filter cartridge with porous ring |
August 6, 1996 |
| A method of sealingly coupling a hollow fiber bundle having first and seconds ends to a porous collar having first and second peripheral edges, at least one of which is coupled to the inner ledge of a casing for encasing said bundle of hollow fibers is disclosed. The method broadly i |
| 5531848 |
Method of manufacturing of hollow fiber cartridge with porous ring |
July 2, 1996 |
| A method of sealingly coupling a hollow fiber bundle having first and seconds ends to a porous collar having first and second peripheral edges, at least one of which is coupled to the inner ledge of a casing for encasing said bundle of hollow fibers is disclosed. The method broadly i |
| 5508046 |
Stable, anticorrosive peracetic/peroxide sterilant |
April 16, 1996 |
| Stable microbicides comprising hydrogen peroxide, peracetic acid, acetic acid and purified water substantially free of contaminants, sequestrants or stabilizers and having anticorrosive properties for metals used in surgical and dental instruments is disclosed. |
| 5476454 |
Balloon catheter lock adaptor for use with a resterilization system |
December 19, 1995 |
| An adaptor for coupling rapid exchange-type catheters to a catheter re-sterilizing system. Specifically, the adaptor fluidly couples the guidewire lumen of a rapid exchange-type catheter to a source of sterilant so that the sterilant may be positively directed to and through the guid |
| 5429184 |
Wound heat exchanger oxygenator |
July 4, 1995 |
| A low prime, high heat exchange efficiency oxygenator is provided which includes an oxygenation portion and a heat exchanger portion. Disposed within the heat exchanger portion is a hollow tube heat exchanger wound bundle which includes a plurality of hollow tubes knitted into a mat, the |
| 5400818 |
Sensor for peracetic acid-hydrogen peroxide solution |
March 28, 1995 |
| Concentrations of stock hydrogen peroxide-peracetic acid solutions can be monitored resistively. The resistivity cell electrodes have titanium surfaces which resist corrosion better than other electrode materials including platinum electrodes. Such resistivity monitoring is particularly |
| 5344652 |
Anticorrosive microbicide |
September 6, 1994 |
| A stable, shippable microbicide solution, having improved anticorrosive properties comprising a two part system, the first part consists of a mixture of acetic acid, hydrogen peroxide, peracetic acid, and water. This is referred to for brevity as a peroxide/peracid solution. The second |
| 5310524 |
Catheter reprocessing and sterilizing system |
May 10, 1994 |
| A system for reprocessing and sterilizing a previously used catheter having at least one lumen is disclosed. The catheter is provided with a housing and enclosed within the housing. Heated sterilant is provided to the housing and the catheter. The lumen is tested during the reprocessing |
| 5279735 |
Sterilant solutions for hollow fiber membranes |
January 18, 1994 |
| An oxidizing sterilant solution comprising percarboxylic acid is disclosed which contains a colorant that is color stable for a useful period in the oxidizing, sanitizing environment. |
| 5270004 |
Cylindrical blood heater/oxygenator |
December 14, 1993 |
| A compact, cylindrical integrated blood heater/oxygenator in which the blood flows transversely to the axial direction of hollow heat exchange and oxygenation fibers. Blood enters a longitudinally extending central chamber of the blood heater/oxygenator, and moves radially through annula |
| 5162101 |
Oxygenator wedge configuration |
November 10, 1992 |
| A device (10) having a blood oxygenator (12) and heat exchanger (14) of the outside perfusion type. The blood oxygenator (12) employs a tightly packed, crisscrossing bundle of gas permeable hollow fibers (50). The heat exchanger (14) employs a bundle of polyurethane, liquid impermeable h |
| 5137531 |
Outside perfusion type blood oxygenator |
August 11, 1992 |
| A device having a blood oxygenator and heat exchanger of the outside perfusion type. The blood oxygenator employs a tightly packed, crisscrossing bundle of gas permeable hollow fibers. The heat exchanger employs a bundle of polyurethane, liquid impermeable hollow tubes. A center divi |
| 5041220 |
Hollow fiber filter cartridge for a standarized housing |
August 20, 1991 |
| A filter cartridge using hollow fiber tubes is provided in a housing and configuration constructed and arranged to fit most commercial filter housing systems without modification. The hollow fiber cartridge provide a multiple improvement in filtering capacity and life before requiring |
| 4906581 |
Method of quality control for hollow fiber gas transfer cells |
March 6, 1990 |
| A method for non-destructive testing for approximation of oxygen transmission in hollow fiber blood oxygenators or the like is provided which method includes passing a first fluid at a predetermined temperature and volume flow rate through the hollows of the fibers and a second fluid |
| 4863452 |
Venous reservoir |
September 5, 1989 |
| A venous reservoir for use in cardiotomy bypasses comprising a flexible, variable capacity bag having a vertical seal positioned between the outlets and inlets along the lower seal line. The vertical seal line is positioned off-center such that the velocity of blood decreases as it p |
| 4781693 |
Insulin dispenser for peritoneal cavity |
November 1, 1988 |
| An implant device for introduction of insulin into the peritoneal cavity which permits a flexible catheter to be removed and replaced without invasive surgery. The catheter is passed through a substantially rigid percutaneous body and a distally extending catheter conduit which together |
| 4776843 |
Blood access systems |
October 11, 1988 |
| Improvements and accessories for a septum closed T-shaped blood access device adapted for implantation into a patient. The implantable device has a stem portion extending above the skin of the patient and defining a septum closed opening into the device. The improvements include an i |
