127 results about "Sterilization procedure" patented technology

A protective sealing barrier for a syringe is disclosed. The protective sealing barrier can be configured to safeguard the sterility of the syringe and any contents held therein, as a barrier against leakage of any contents held within the syringe, or both. The syringe includes a luer tip and a collar having terminal ends which are preferably substantially co-planar with one another. The barrier consists of a membrane which is disposed in substantially entire surface contact with the terminal ends of both the luer tip and the collar. The membrane can be selected from a material permitting the syringe to be irradiated or heat sterilized. Likewise, the membrane can be chosen from a material permitting the syringe to be sterilized by various gas sterilization procedures. The membrane provides good tamper evidence of the syringe, can be stocked in a uniform size adaptable to various sizes of syringes, reduces the storage space required for the syringes, and can serve as a platform for printing information regarding contents held within the syringe.

A multi-layered tube composed of at least two layers, each formed from a different resin, e.g. resin (I) or resin (II). Resin (I) contains 5 to 40 mass % of a polypropylene resin and 95 to 60 mass % of at least one hydrogenated copolymer. Resin (II) contains 45 to 100 mass % of a polypropylene resin and 55 to 0 mass % of a hydrogenated copolymer. The multi-layered tubes may be used in the field of medicine and provide tubing which is excellent in transparency, flexibility and anti-kinking properties, and which is durable during sterilization procedures with high-pressure steam. The multilayer tubing may also be safely disposed of as it generates no toxic gases, such as dioxin, when incinerated. The multilayered tubing has excellent connectability and may be bonded to other tubing using hot solvent bonding or solvent adhesion. The multilayered tubing which is free from generation of any toxic gas when incinerated, and which is excellent in hot solvent bonding or solvent adhesion to other tube.

The invention discloses a fruit and vegetable juice, a fruit and vegetable juice beverage and a preparation method of the fruit and vegetable juice. The preparation method of the fruit and vegetable juice comprises the following steps: (1) selecting and cleaning fruits and vegetables; (2) preparing raw fruit and vegetable juice; (3) carrying out cold enzyme deactivation and color protection treatment on the raw juice; (4) carrying out enzymolysis treatment; (5) carrying out refined filtration and hollow filtration; (6) carrying out low-temperature vacuum concentration; and (7) carrying out a cold sterilization procedure. According to the fruit and vegetable juice and the fruit and vegetable juice beverage prepared by the method, cold enzyme deactivation and cold sterilization technologies are adopted for the fruit and vegetable juice in enzyme deactivation and sterilization, so that the prepared fruit and vegetable juice and the fruit and vegetable juice beverage completely reserve nutritive value and health functions of fresh fruits and vegetables, and have the health functions of clearing heat, removing internal heat, promoting the secretion of saliva or body fluid, quenching thirst, moistening the lung, removing fat, lowering pressure, detoxifying, dispelling the effects of alcohol, inducing diuresis, reducing swelling, and losing weight.

The invention discloses a preparation method of yak bone collagen peptide. The method is characterized by comprising the following technological processes: pretreatment of raw materials, gelatin extraction, separation of a collagen extracting solution, composite enzymatic hydrolysis, enzyme deactivation and sterilization, separation of a peptide solution, decoloring and deodorizing, concentrating and drying. The compound enzyme for composite enzymatic hydrolysis is prepared from protease, amylase, pectinase, cellulose and xylanase. The method has the advantages that the gelatin extraction process is simple, oil and gelatin are completely separated by using flow of a mixed solution, the enzymatic hydrolysis temperature is 48-52 DEG C, the time is 4-6 hours, the temperature is reduced in comparison with common enzymatic hydrolysis temperature, the preparation time of the product is shortened, and the method comprises enzyme deactivation and sterilization procedures, and decoloring and deodorizing procedures, so that the product is good in taste, and applicable to preparation of the yak bone collagen peptide.

An optical medical tube and control unit assembly and methods of using the same are provided. The optical medical tube may include a steering mechanism and an imaging device which provides the user a visual aid when placing a tube in the body of a patient. The optical medical tube may be coupled to a coupling adaptor to enable quick and easy connecting of the imaging device and steering mechanism of the tube with a control unit such that a single control unit may be used to place multiple feeding tubes or confirm that a feeding tube remains in its proper position without the need for lengthy sterilization procedures between uses.

A device for preventing blood leakage during use of an intravenous catheter and needle using a stopper made of a material that is air permeable when dry; upon exposure to blood or other liquids bercomes rapidly liquid impermeable; is non-toxic and validated to use on humans; is inexpensive; is stable and withstands normal sterilization procedures such as heating and ionizing radiation; and is flexible and able to seal the hole when the needle is removed from the IV catheter during the cannulation process.

Sterilization indicator test packs for testing the effectiveness of a sterilization procedure are provided. Both non-challenge and challenge-type test packs are disclosed. The non-challenge test packs include generally comprise a tray for holding a sterilization indicator the tray containing an elevated rim surface defining the perimeter of the tray and a recessed trough for receiving a sterilization indicator. The rim surface includes a plurality of spaced-apart grooves along its length extending through the rim to the recessed trough; a sterilization indicator within the recessed trough of the tray; and a lid that forms a plurality of channels with the grooves in the tray such that sterilant can enter the tray through the channels and contact the sterilization indicator.

The challenge-type test packs generally include a tray for holding a sterilization indicator, the tray comprising a substantially planar surface, a recessed trough for receiving a sterilization indicator, and a recessed groove of a defined length and cross-sectional area extending through the recessed trough and penetrating the edge of the tray; a sterilization indicator within the recessed trough of the tray; and a lid forming a substantially sterilant-impermeable seal with the planar surface of the tray and forming a lumen path with the recessed groove in the tray.

The present invention relates to the field of sterilization of items that are sensitive to e.g. temperature, pH, positive or negative pressure, radiation or oxidation. More particularly, the invention concerns a method, the use of this method and an apparatus for sterilization or disinfection, comprising the steps of contacting one or more item or part of an item with (a) a water-based fluid containing at least one enzyme, and (b) a substantially water-free environment with a gas having oxidative properties, where said step (a) precedes said step (b). According to the invention, items can be sterilized that are otherwise impaired by conventional sterilization procedures, such as laboratory items, medical items, dental items, military items, biological items, and food processing-related items.

A sterilization indicator for testing the effectiveness of a sterilization procedure comprises a source of an enzyme, a sterilant-resistant chemical associated with the enzyme, and a substrate that reacts with the enzyme to form a detectable enzyme-modified product that provides an indication of the failure of the sterilization procedure. The sterilant-resistant chemical may be a polyglycerol alkyl ester, polyglycerol alkyl ether, an ethoxylated polyhydric alcohol ester, or a polyhydric alcohol ether. The indicator may be used to test the effectiveness of a hydrogen peroxide plasma sterilization procedure and may be provided with a non-challenge test pack or a lumen-challenge test pack.

The invention belongs to an edible fungi cultivation method, and in particular relates to a coprinus comatus underwood cultivation method, which comprises the following steps: the specific underwood condition of natural canopy under a forest is utilized, the corprinus comatus underwood cultivation method adopts two methods based on seasons, namely spring ridge planting and autumn bag cultivation, wherein the ridge planting method comprises the steps of preparing culture materials, digging holes, laying culture materials, seeding, mycelium growth management, soil covering, the management after covering soil, mushroom fruiting period management, inter-flush period management after harvest, and passing summer management; the autumn bag cultivation comprises the steps of preparing culture materials, stacking and fermentation, other management methods which are the same as those in the spring ridge planting method, bagging and sterilization, inoculation and cultivation, bag removal and soil covering, and the passing winter management. By adopting the two methods of the spring ridge planting and the autumn bag cultivation, the coprinus comatus underwood cultivation method does not need spring sterilization procedure, thus saving manpower and cost, and the autumn cultivation method can shorten mycelium growth time, so that the production cost can be reduced.

A sanitary dispensing device for dispensing and storing products is disclosed. The sanitary dispensing device comprises a product display area for displaying products or pictures of products, product selection switches for selecting a product for purchase, a payment exchange area for receiving payment, and a product retrieval area for retrieving purchased products. The sanitary dispensing device further comprises a removable display for displaying information such as product information, instructional information, or dynamic advertising. The sanitary dispensing device further comprises an ultraviolet light module for performing sterilization procedures on the products, product packages, and currency. The sanitary dispensing device further comprises a hands sterilization module for sterilizing a user's hands.

An optical medical tube and control unit assembly and methods of using the same are provided. The optical medical tube may include a steering mechanism and an imaging device which provides the user a visual aid when placing a tube in the body of a patient. The optical medical tube may be coupled to a coupling adaptor to enable quick and easy connecting of the imaging device and steering mechanism of the tube with a control unit such that a single control unit may be used to place multiple feeding tubes or confirm that a feeding tube remains in its proper position without the need for lengthy sterilization procedures between uses.

A system (10) and method for substantially automatically aseptically or non-aseptically filling a container with a fluid. The transfer of fluid occurs via a movable nozzle mechanism (20) substantially automatically inserted into a side opening (32) in a connector (12) attached to the container. More specifically, the side opening (32) in the connector (12) is exposed, the nozzle mechanism (20) is moved into the side opening (32), the fluid is transferred into the container via the nozzle mechanism (20) and the connector (12), the nozzle mechanism (20) is removed from the side opening (32) in the connector (12), and the side opening (32) in the connector (12) is closed. The aseptic transfer of fluid includes a substantially automatic sterilization procedure accomplished by both spray and contact components (54,56).

Sterilization indicators that include a neutralizer, such indicators useful for testing the effectiveness of a sterilization procedure by measuring the activity of an active enzyme whose activity is correlated with the survival of microorganisms.

A polypropylene material is provided having increased radiation resistance compared to solely isotactic polypropylene. The material is formed by utilizing a syndiotactic polypropylene. The isotactic polypropylene may be an isotactic metallocene or Ziegler-Natta catalyzed polypropylene and may include an amount of syndiotactic polypropylene. The material may be used in forming a variety of materials that may undergo exposure to radiation, such as sterilization procedures using radiation. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.

A method of photodynamic disruption of target cells within a target cell site wherein the target cells are associated with one or more of a sterilization procedure, a biofilm eradication procedure, a sterilization procedure of a medical prosthesis, a treatment of an infection at a tissue site, eradication of cancer cells and a fluid or food decontamination process. Surface acting agents such as benzalkonium chloride or polymyxin B sulfate or both may be utilized. A controllable light source capable of delivering light at a plurality of duty cycles is utilized to cause photoactivation of the photosensitive material resulting in degradation of target cells within the site.

A dental handpiece and general implement rack is provided, along with a method of tracking implement use in a patient environment. The rack comprises a housing having a plurality of removable trays therein, the trays being adapted to support a dental implement thereon. Each tray includes a visual indicator that matches a marker placed on an implement being stored in that tray. The tray indicators are utilized to determine which implement has been utilized during the course of the day in order to implement sterilization procedures for only those implements that have been used on patients and are now unsterile. The device and associated method prevent sterilization by autoclave for implements that do not require cleaning, thereby extending their useful life and preventing over-cleaning thereof. The housing is preferably a wall-mountable structure having a hinged lid closure and a ventilated design to prevent moisture capture therein.

The invention relates to a method for producing PHA by continuous treatment of molasses alcohol wastewater via mixed halophilic bacteria and belongs to the technical field of production of PHA. The method comprises the following steps of carrying out activation culture on mixed halophilic sludge to obtain halophilic activated sludge, carrying out enrichment culture on the molasses alcohol wastewater inside an SBR reactor by virtue of mixed halophilic bacteria colony, carrying out continuous PHA production on molasses wastewater inside a continuous flow reactor and recovering PHA in the discharged residual sludge. The PHA is synthesized by virtue of the mixed bacteria colony instead of a pure bacteria colony, strict sterilization procedures is not required, the process is simplified and the cost is saved; the continuous flow process is simple, compared with the fermentation process, the repeated replacement of the fermentation broth is not required, the repeated inoculation of bacterial sludge is not required, the continuous water inlet and continuous water outlet are achieved, respective process parameters tend to a constant value and is simply implemented, the automatic control is facilitated, the method is easily operated in engineering, the yield of PHA is high, the continuous production of PHA is achieved and the resource utilization of residual sludge is also achieved.

Normal saline and other infusate solutions for infusion into the body of a patient during medical treatment are disclosed. In particular, infusates are disclosed that are formulated to resist changes to the pH of the solution when subjected to sterilization procedures that employ ethylene oxide gas. In one embodiment, a buffered infusate suitable for disposal in a syringe or other container is disclosed. The syringe is sterilizable using ethylene oxide. The buffered infusate comprises an aqueous solution that is disposed in the syringe and is suitable for infusion into a body of a patient. A buffer component is added to the aqueous solution to form a buffered solution. The buffer component is configured to resist a change in the pH of the buffered solution upon exposure of the buffered solution to the ethylene oxide during sterilization of the syringe.

The invention discloses high-voltage electric field and low-temperature plasma cold sterilization production line equipment. The high-voltage electric field and low-temperature plasma cold sterilization production line equipment comprises a machine case, a rack, a conveyor belt mechanism, high-voltage electric field and low-temperature plasma cold sterilization core devices, a high-voltage transformer, a high-voltage control cabinet, high-voltage electric field shielding doors and a control device. The high-voltage electric field and low-temperature plasma cold sterilization core devices are arranged in the machine case above the rack and 2 to 5 groups of the high-voltage electric field and low-temperature plasma cold sterilization core devices are arranged at a certain distance along a movement direction of the conveyor belt mechanism; each high-voltage electric field and low-temperature plasma cold sterilization core device is composed of a plurality of groups of high-voltage electrode assemblies which are arrayed in one row in parallel at an equal distance; the high-voltage electric field shielding doors are arranged at an entrance and an exit of a sterilized packaging part on the rack respectively in a hoistable manner. The high-voltage electric field and low-temperature plasma cold sterilization production line equipment is used for carrying out a plurality of times of low-temperature plasma continuous sterilization treatment on a packaging product; the sterilization time is short, the effect is good, and the efficiency is high; a sterilization procedure is accurate and controllable, is simple to operate and can be adaptive to automatic production requirements of large-scale cold sterilization and fresh-keeping packaging of foods.

The invention relates to the technical field of bottle caps, particularly a plastic bottle cap and a production technique thereof. The plastic bottle cap is prepared by carrying out injection molding on mixed plastic granules. The mixed plastic granules are prepared from plastics, tetrabutyl stannate, water, a silane coupling agent, a catalyst and a dispersing agent. The plastic bottle cap can resist the temperature of 200 DEG C, and thus, is suitable for filling food and carrying out high-temperature sterilization. The plastic bottle cap has the advantage of favorable high-temperature-resistant effect, and can not easily deform in the high-temperature sterilization procedure, thereby ensuring the sealing property of the plastic bottle cap, and greatly lowering the fraction defective of the product. The production technique has the characteristics of simple process and low production cost, and is suitable for large-scale production.