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STERIS Corporation Patents
Assignee:
STERIS Corporation
Address:
Mentor, OH
No. of patents:
93
Patents:


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Patent Number Title Of Patent Date Issued
8202355 Apparatus for removing gaseous or vaporous sterilants from a container June 19, 2012
The present invention provides a method and apparatus for removing chemical sterilant molecules from a medium, such as a carrier gas. In one embodiment, the apparatus includes a housing that defines an internal cavity. The housing has an inlet and an outlet fluidly communicating with
8172751 Method and apparatus for electronic adjustment of illuminance of surgical lamp May 8, 2012
The present invention provides a surgical lamp for illuminating a surgical site. The surgical lamp includes a housing that defines an internal cavity. A light source is disposed within the internal cavity of the housing for producing a light field at a surgical site that is remote fr
8163235 Method for removing gaseous or vaporous sterilants from a surface April 24, 2012
The present invention provides a method and apparatus for removing chemical sterilant molecules from a medium, such as a carrier gas. In one embodiment, the apparatus includes a housing that defines an internal cavity. The housing has an inlet and an outlet fluidly communicating with
8092577 Method and apparatus for removing gaseous or vaporous sterilants from a medium January 10, 2012
The present invention provides a method and apparatus for removing chemical sterilant molecules from a medium, such as a carrier gas. In one embodiment, the apparatus includes a housing that defines an internal cavity. The housing has an inlet and an outlet fluidly communicating with
7955560 Apparatus for determining the concentration of chemical components in a liquid or gaseous system June 7, 2011
The present invention provides a sensor system for determining a concentration of a chemical component in a fluid having a first sensor that senses a first physico-chemical property of the chemical component and, a second sensor that senses a second, different physico-chemical proper
7611667 Apparatus for controlling the concentration of a sterilant chemical in a fluid November 3, 2009
A sterilization system that includes a sensor for determining the concentration of a liquid sterilant in a sterilant fluid. The sterilant fluid is comprised of a blend of sterilant fluids from a plurality of sterilant supplies. The concentration of the liquid sterilant differs in eac
7541002 Apparatus for determining the efficiency of a vaporizer in a decontamination system June 2, 2009
An apparatus for determining the efficiency of a vaporizer in a decontamination system, having a first sensor for generating a first signal indicative of the concentration of a decontaminating chemical in a liquid decontaminate before vaporization by a vaporizer, and a second sensor
7527766 Method for determining the efficiency of a vaporizer in a decontamination system May 5, 2009
An apparatus for determining the efficiency of a vaporizer in a decontamination system, having a first sensor for generating a first signal indicative of the concentration of a decontaminating chemical in a liquid decontaminate before vaporization by a vaporizer, and a second sensor
7431886 Method of monitoring operational status of sensing devices for determining the concentration of October 7, 2008
The present invention provides a sensor system for determining a concentration of a chemical component in a fluid having a first sensor that senses a first physico-chemical property of the chemical component and, a second sensor that senses a second, different physico-chemical proper
7020917 Radiolucent surgical table with low shadow accessory interface profile April 4, 2006
A radiolucent surgical table (40) is provided with a low shadow accessory interface profile (70). The interface profile includes a plurality of interconnected curved surfaces formed along the entire outer edge of the patient support member for selective attachment to a range of medical
6749807 Flow through chemical indicator for measurement of active biocidal agents in a single use packag June 15, 2004
A single-use cartridge C contains a dose of a concentrated decontaminant for providing a decontaminant solution upon mixing with water. The cartridge is inserted into the well (16) of a decontamination system (A). Fresh water and then the decontaminant solution are recirculated through
6633328 Surgical lighting system with integrated digital video camera October 14, 2003
A surgical video system 10 captures an image of a surgical procedure and displays the image on a video monitor 24 remote from the surgical procedure. The system includes at least one surgical lighthead 12, a video monitor 24, and a digital video camera 22 integrated into the surgical
6623695 Chemical modification of electrochemically activated solutions for improved performance September 23, 2003
An anticorrosive, penetration enhancing composition for cleaning decontaminating and rinsing includes electrochemically activated (ECA) water as the decontamination agent. The anticorrosive decontamination composition has, as the anticorrosive agent, a compound or mixture of compound
6558622 Sub-critical fluid cleaning and antimicrobial decontamination system and process May 6, 2003
A chamber (10) is supplied with a pressurized cleaning agent of carbon dioxide and cosolvents from a first source (12) and an antimicrobial fluid, such as ethylene oxide or hydrogen peroxide from a second source (16). Chamber conditions are maintained in the sub-critical range for the
6439248 Cleaning system for a washer August 27, 2002
A high pressure pump (14) supplies cleaning fluid from a reservoir (12) to spray nozzles (20) inside a washing chamber (10). The spray nozzles (20) spray the cleaning fluid over a load to be cleaned. Used cleaning fluid is collected in a sump (30). A sump pump (32) drains the sump. The
6329207 Wet chemical indicator for the evaluation of peracetic acid chemistries December 11, 2001
A wet chemical indicator for peracetic acid solutions includes an indicator for peracetic acid and an inhibitor. The inhibitor is selected to inhibit a selected peracetic acid concentration in a reproducible sample of a solution containing peracetic acid. The indicator exhibits an observ
6325968 Antimicrobial composition delivery system with an integrated filler December 4, 2001
An outer, first container portion (50) has a peripheral wall (52) which has an opening at a first end (56) and at a second end (60). A porous filter (58) covers the second end. An inner, second container portion (70) has a peripheral wall (72) with a region which is formed from a first m
6319479 Closure for a hinged sterilizer door November 20, 2001
A closure assembly (20) for engaging a door (14) across the opening (16) of a chamber (12) includes first and second triangular plates (28) and (30) which are pivotally connected to opposite corners of a front face (32) of the door. The plates face each other at the longest sides of the
6264901 Space frame sterilizer door July 24, 2001
A door (18) for sealing the opening (14) to a walk-in steam sterilizer is formed from a stainless steel plate (50), sized to cover the opening, and a load-bearing framework (52), which is formed from a material having a different coefficient of thermal expansion to that of the plate, suc
6257254 Cleaning system for a washer July 10, 2001
A high pressure pump (14) supplies cleaning fluid from a reservoir (12) to spray nozzles (20) inside a washing chamber (10). The spray nozzles (20) spray the cleaning fluid over a load to be cleaned. Used cleaning fluid is collected in a sump (30). A sump pump (32) drains the sump. The
6232280 Cleaning product with analyzable and stable surfactant May 15, 2001
A cleaning composition includes a detectable substance which is relatively stable in the cleaning composition, for indicating whether the cleaning composition has been thoroughly removed from a vessel following a cleaning process. For pharmaceutical applications, the detectable substance
6203767 Peracetic acid card reader and card style sensor March 20, 2001
A disposable sensor card (74) includes a polymeric substrate (80), such as polyester, printed with a plurality of electrodes (78), and a reuse-prevention system (150) which includes a fuse link (152) and a cut link (154). A controller (70) tests the fuse link and cut link to see if t
6196649 Convertible surgical equipment and appliance support system March 6, 2001
A convertible medical appliance support apparatus includes a box-shaped hollow main body portion A suspended from overhead by a support apparatus B. A horizontal support table C extends forward from the front face of the vertical main body column to form a platform for supporting associa
6171551 Electrolytic synthesis of peracetic acid and other oxidants January 9, 2001
An electrolysis unit (10) has an ion selective barrier (20) for separating an anodic chamber (12) from a cathodic chamber (14). An electrolyte within the unit includes a precursor, such as potassium acetate, or acetic acid. A positive potential is applied to an anode (16) within the anod
6156267 Apparatus and method for real-time monitoring and control of anti-microbial processing December 5, 2000
The present invention provides a system and method for real-time monitoring and control of anti-microbial cycle parameters within a load-simulation device 6. The system and method simulate the same conditions as those within an acceptable standard challenge load to be sterilized. Integra
6135130 Washer with a double pane window October 24, 2000
A dismantlable door (22) seals an opening (24) in a chamber (20) of a washer. The door includes removable glass panes (36) and (38) which allow an operator to view the contents of the washing chamber during a washing cycle. A connecting member (40, 132, 156, 180, 200, 216, 220, 244, 250)
6126810 Generation of active chlorine in the presence of an organic load from sodium chloride in water October 3, 2000
A recirculation system for electrochemically activated antimicrobial solutions returns antimicrobial solution which has been depleted of active antimicrobial species to a electrolytic cell for regeneration of the active species. Organic load, which frequently contaminates items to be
6121012 System for ensuring distribution of spores on a spore carrier September 19, 2000
A suspension of microorganisms includes a detectable indicator material, such as a food coloring, for ensuring that a biological indicator receives a preselected population of the microorganisms. A microorganism delivery system delivers the suspension with the indicator material from a t
6077480 Multiple flashpoint vaporization system June 20, 2000
A multiple flashpoint vaporization system rapidly sterilizes large enclosures. A plurality of vaporizers (10) inject hydrogen peroxide vapor into streams of carrier gas supplied by a generator (20). Supply lines (30) transport the mixture of carrier gas and hydrogen peroxide vapor to a
6039724 Medical and biological fluid collection and disposal system March 21, 2000
A collection vessel (20) is connected with inlet fitting assemblies (12, 14) for receiving waste fluids. The collection vessel is connected by a valve (74) with a drain (70) for selectively draining collected fluids. A fluid inlet (84) that is connected with an exterior water source supp
6017105 Horizontal sliding door guidance method January 25, 2000
A guidance assembly (28) guides a door (22) to a cabinet (10) while it is moved between an open position, in which access to an interior chamber is provided through an opening (16) in the cabinet, and a closed position, in which the door covers the opening. The guidance system includes f
6001305 Sterilizer with elliptical pressure vessel December 14, 1999
An elliptical steam sterilizer includes an elliptically shaped inner shell (12) and an elliptically shaped outer jacket (14). The inner shell (12) and outer jacket (14) are supported on opposite ends by an end plate (16) and a back head (20). The elliptical shape of the sterilizer distri
5997814 Multi-compartment plastic woven mesh dry chemistry container December 7, 1999
An outer, first cup portion having a peripheral wall which has an opening at a first end and at a second end. An inner, second cup portion having a region which is formed from a first material which is impermeable to the powdered reagents but is permeable to water and to solutions contai
5971569 Surgical light with stacked elliptical reflector October 26, 1999
A surgical lighthead having a stacked elliptical reflector (20) directs light from a lamp (10) to an illumination zone (Y) without the need for a refractor to redirect the reflected light. The reflector is formed of at least three annular reflector segments (22, 24, 26) stacked on top of
5967160 Automatic door and floor tilting system for a washer October 19, 1999
Retractable doors 22 to a washing chamber 20 of a washer 10 open automatically to allow a load to be processed to be wheeled into the chamber. The doors are fitted with blowout panels 42, 44. In an emergency, a worker trapped in the washing chamber can escape by pushing the blowout p
5964955 System for coupling operating equipment to a washer October 12, 1999
An operating system (20) for a washer (1) is mounted on a moveable trolley (52). The trolley carries all of the failure prone elements such as pumps (24, 28, 40) solenoid valves 80, electrical heaters (48), an electrical control circuit (50) and the like. Quick-release couplings (58, 59,
5951139 Surgical light with reflector-lamps and flat reflector panels September 14, 1999
A frame (10) supports a plurality of illumination modules (12) arranged in a common plane in a spoke-like pattern extending radially outward from a central axis. Each module includes a lamp (24) with a vertical filament (26) mounted in a faceted reflector (22) to direct a beam of light t
5950878 Dispensing tube valve assembly September 14, 1999
A dispensing valve assembly for dispensing a fluid product and preventing air from being drawn into the fluid product through the valve includes a flexible diaphragm valve (10, 50, 100) and a valve seat insert (12, 58, 102). The flexible diaphragm valve flexes from a concave closed posit
5949958 Integral flash steam generator September 7, 1999
The present invention is a flash steam generator (10) to be used as an integral component of a steam sterilizer (30). The generator comprises a metal block (11) having a first bore (12) drilled lengthwise through the metal block (11). Surrounding the first bore (12) are a plurality of
5942193 Daily air removal test for sterilizers August 24, 1999
A device for evaluating air removal is subjected to a sterilization process whose effectiveness is dependent on a sufficiently high vacuum being achieved. A closure or lid (20, 70) seals an opening into an interior chamber (12) of a container (10). The closure and container are mecha
5941672 Rack return assembly August 24, 1999
Racks (20) supported on a transfer cart (38) in a decontamination area (18) are loaded with contaminated articles. The carts are wheeled to a washer (14) into which the racks of contaminated articles are placed for washing. After washing, the racks are removed from the washer in a prepar
5932171 Sterilization apparatus utilizing catholyte and anolyte solutions produced by electrolysis of wa August 3, 1999
An apparatus (A) for sterilizing medical instruments and other articles includes a tray (12) with an article receiving area (14). An article to be microbially decontaminated is positioned in the receiving area (14) and a microbe blocking lid (10) is closed. A water electrolysis apparatus
5928948 Method for the assessment and validation of cleaning processes July 27, 1999
A porous material (10) is contaminated with soil (14). Optionally, the porous material is partially shielded by an impermeable layer. The contaminated porous material is packaged and shipped to a user site. The contaminated porous material is removed from the package and placed in an
5923432 Cleaning efficacy real time indicator July 13, 1999
A cleaning efficacy indicator system (20) includes a light source (50) and a light receiver (56). A light-transmitting optical indicator element (30) receives light from the source (50) and transmits the light to the receiver (56). The receiver (56) provides at an electrical output signa
5913599 Surgical light with conical reflector June 22, 1999
A surgical light (10) includes a conical shaped reflector (12) which is formed from pre-finished sheet of reflector material into a conical shape. The conical reflector (12) reflects the light from a lamp (14) at a plurality of different angles. Light directly from the lamp and reflected
5906801 Decontamination apparatus shelf system May 25, 1999
A decontamination device (10) including a chamber (14) for receiving articles (28 and 30) to be decontaminated by at least one of washing, disinfecting and sterilizing. The decontamination device also includes a shelving assembly (22) for suspending the articles (28 and 30) in the ch
5906800 Steam delivery system for a decontamination apparatus May 25, 1999
A steam sterilizer device having a steam generation system is disclosed. The steam generation system has a fluid connection to a water source (1) to provide water to a venturi apparatus (27) for the selective creation of a vacuum in a sterilization chamber (71). A fluid connection to a p
5894014 Steam decontamination apparatus April 13, 1999
A steam sterilization device (10) including a chamber (12) having a slidable sealable door (30). A flexible insulating plastic member (74) covers the sealable door (30). The sterilization device (10) includes a frame (20, 22, 24, 28, 50) supporting the chamber (12). A front wall (60)
5885240 Method for medical and biological fluid collection and disposal March 23, 1999
A vessel (20) which is divided into compartments (22, 24) receives medical and biological fluid wastes through inlet fitting (12, 14). As the fluid is received, air in the vessel is displaced and is discharged through a vent line (32), either to atmosphere or to a vacuum source. When a l
5880438 Steam sterilization apparatus and control system March 9, 1999
A steam sterilization apparatus (10) includes an electronic control system having a main control circuit (C) including a central processing unit (68), an input device (36), and output devices (24,28) provided on a single circuit board (22) which is attached to a front bezel (16) of the
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