85 results about "Surgical mask" patented technology

A surgical mask for use in dental procedures, and oral or facial surgery, formed of a continuous sheet of flexible material comprising a nose-conforming shell incorporating adhesive material for sealing and for maintaining position on the patient during the dental or surgical procedure. The mask forms an encasement for input/output manifolds, and terminates in flexible flange at the columella-labial junction; the mask includes a manifold for receiving and directing N₂O/O₂ into the nasal vault of the patient, and for the removal of exhalant and the scavenging of gases from the work area.

A face mask for use as a procedure mask, isolation mask or dental face mask having a transparent shell with one opening for covering the nose and mouth of a person and a housing having a first and a second air passageway with a chamber located therebetween for holding a replaceable filter coupled to the one opening in the transparent shell. Elastic straps which are attached to the transparent shell are adapted to be placed around a user's head to hold the transparent shell against the face of the user and the transparent shell is made of a clear latex free plastic.

A mask is described herein that uses correlated magnets which enable a person to easily secure and remove the mask to and from their head. Some examples of such a mask include a scuba mask, a welding mask, a fencing mask, a goalie mask, a paint mask, a paintball mask, a catcher's mask, a ski mask, a goalie mask, an oxygen mask, a surgical mask, a face shield, a filter mask, a theatrical mask, a costume mask, a continuous positive airway pressure (CPAP) mask.

A surgical mask provides a wide range of wearers with a good fit and improved comfort, facilitates proper use of the mask, and reduces or eliminates fogging of eyewear, as compared with typical masks. The mask may include a pair of ties that are joined to the upper, central, and lower parts of either side of the body of the mask with the assistance of restraint members. The mask may also include a sealing member that reduces or eliminates gaps between the wearer's face and the upper part of the mask by forming a seal between the wearer's face and the mask in use. In addition, the mask may include a barrier panel that reduces or prevents the wearer's breath from escaping through the mask and rising to the wearer's eyewear.

A surgical mask provides a wide range of wearers with a good fit and improved comfort, facilitates proper use of the mask, and reduces or eliminates fogging of eyewear, as compared with typical masks. The mask may include a pair of ties that are joined to the upper, central, and lower parts of either side of the body of the mask with the assistance of restraint members. The mask may also include a sealing member that reduces or eliminates gaps between the wearer's face and the upper part of the mask by forming a seal between the wearer's face and the mask in use. In addition, the mask may include a barrier panel that reduces or prevents the wearer's breath from escaping through the mask and rising to the wearer's eyewear.

The present invention provides a breathable, lightweight material which has radiopaque qualities and is easy to produce. In the preferred embodiment, a lightweight fabric, such as a surgical mask liner or an entire surgical gown, is formed by mixing a lightweight radiopaque compound, such as barium sulfate, with a polymer filler, preferably polyethylene, to impart radiopaque qualities to the mixture, then extruding the mixture into a plurality of filaments to form a porous, nonwoven fabric mass, and forming the filament mass into a web suitable to be used as a garment liner or ply in a multi-ply fabric.

The purpose of the invention is to provide a surgical mask with sufficient antibacterial properties, by uniformly manifesting on the surface of nanofibers a functional material with antibacterial and antiviral properties. The problem is solved by a mask with a functional material which comprises a nanofiber containing at least one base polymer selected from a group consisting of PVA, polylactic acid, fibroin, chitosan, chitin, nylon 6, nylon 6,6, nylon 9T, nylon 610, polyamide, polystyrene, polyacrylonitrile, polyethylene terephthalate, polyvinyl chloride, polyurethane, polyester, zein, collagen and methoxymethylated nylon, and at least one functional substance selected from a group consisting of catechin polyphenols, persimmon tannin polyphenols, grape seed polyphenols, soybean polyphenols, lemon peel polyphenols, coffee polyphenols, phenylcarboxylic acid, ellagic acid and coumalin, and having a diameter of 1 nm to 2000 nm.

A surgical mask having a surgical body for covering the nose and mouth of a wearer, and a surgical mask include a surgical mask body, a middle vapor barrier, and middle tie(s) or ear loop(s). The vapor barrier is positioned between a mouth and a nose of a wearer's face to inhibit vapor, e.g., the moisture in exhale.

The invention discloses a preparation method of graphene antibacterial melt-blown cloth and application thereof. The preparation method comprises the following preparation steps of preparing modifiedpolypropylene resin, taking materials and carrying out weighing, mixing the materials, and carrying out melt extrusion, filtering, spinning, melt-blown fiber cloth forming, cutting, packaging and sealing for storage. The graphene antibacterial melt-blown cloth is applied to the field of processing and preparation of medical surgical masks. The preparation method disclosed by the invention is scientific and simple in process flow and can be widely popularized and produced in the industry; in addition to a two-dimensional carbon nano material with relatively strong antibacterial property, the melt-blown cloth is also added with bactericidal substances such as titanium dioxide and zinc oxide, so that the bactericidal effect of the material is further enhanced; the service time of a mask prepared by utilizing the graphene antibacterial melt-blown cloth is greatly prolonged, the effective service time of a novel graphene mask exceeds 48 hours and is more than 10 times that of a traditionalmask, and the filtering efficiency of the novel graphene antibacterial mask is only reduced by 4% after the novel graphene antibacterial mask is continuously worn for 48 hours.

The present invention in an embodiment relates generally to an air purifier having an ultraviolet wave chamber which is accessible from the exterior designed for the placement of masks/respirators in need of decontamination. Such device preferably makes use of filters comprising copper foam.

The invention relates to the technical field of anti-bacteria, particular to a preparation method for an antibacterial fibre. The method comprises the following steps of: adding a fibre base materialinto a first solvent, and stirring at a first stirring temperature for a first time to obtain first electrostatic spinning base liquid; simultaneously adding a photocatalytic material and a dispersantinto a second solvent, and stirring at a second stirring temperature for a second time to obtain second electrostatic spinning base liquid; stirring and mixing the first electrostatic spinning base liquid and the second electrostatic spinning base liquid to form electrostatic spinning liquid; and performing spinning on the electrostatic spinning liquid to prepare the antibacterial fibre. According to the embodiment of the invention, the preparation conditions are mild; the photocatalyst activity is excellent; the cost is low; a production process is simple and easy to control; industrial production is facilitated; and the antibacterial fibre has excellent antibacterial effect on the bacteria, such as escherichia coli and staphylococcus aureus, and is suitable for the fabrics, such as clothing and socks, decoration fabrics, such as curtains and table cloth, outdoor products, such as field tents and quick-drying clothes, and the medical products, such as medical gauze and surgical masks.

An oral respirator device and method for mask-free filtering of particulates from breathed air. A surgical mask is removably disposed within a housing. The housing has an air chamber, a first air inlet, a second air inlet, and a means of securing the surgical mask filter. Operably attached to the housing is an oral interface (such as a surgical tube). In one embodiment, the oral interface has three openings, one of which is a mouthpiece while the other two openings, the ends of the tube, are connected to the air inlets of the housing. Environmental air enters the air chamber of the housing via the filter becoming filtered breathable air. The filtered breathable air enters the mouth of the user via the oral interface. In one embodiment, one-way valves are operatively connected to the oral interface.

The invention discloses a fully-automatic packaging robot for packaging shaking-cover double-insurance inserted cartons of latex gloves. The fully-automatic packaging robot comprises a carton openingmechanism, a feeding and pushing mechanism, side lug clamping mechanisms, an upper cover closing mechanism, a lower cover closing mechanism, a synchronous belt conveying box and a carton outlet mechanism. A robot technology and a traditional packaging assembly line technology are combined, distribution of stations for the actions of carton opening, pushing, lug clamping, upper cover closing, lowercover closing and the like is achieved through a synchronous conveying belt with clamping claws, packaging objects and packaging bodies, namely the shaking-cover double-insurance inserted cartons, with the complex mechanical characteristic models are automatically controlled and constrained, wherein the certain number of latex gloves and carton shells are stacked in the packaging objects and thepackaging bodies flexibly and disorderly, quick and high-quality automatic packaging is achieved, the problem of automatic packaging of irregular flexible materials such as disposable surgical masks,gloves and operating gown are greatly broken through, meanwhile, the labor intensity and the labor cost are also greatly lowered, and the carton packaging efficiency and the automatic technical levelof the complex carton packaging industry are improved.

Embodiments of the present invention may make wearing a surgical mask having ear loops more comfortable for a wearer. It may include a head band that may connect to the two ear loops of a mask. A head band may include a strap and a connector near each end of a strap which may be removably or even permanently attached to a surgical mask. A head band may go around the back of the head perhaps so that a pull from the mask may occur on the back of the head and not on the ears and may avoid the ear pull in a forward and downward direction.

The invention relates to a medical surgical mask production and processing machine. The machine comprises a bottom plate, a crease device and an air inlet pipe, wherein the crease device is arranged in the middle of the upper end of the bottom plate; the air inlet pipe is arranged at the upper end of the crease device; and the air inlet pipe is connected with an external hot air pump. The medicalsurgical mask production and processing machine can solve the problems that when an existing device carries out crease processing on a medical surgical mask, the crease effect of non-woven fabric is poor, the efficiency is low, and the creased non-woven fabric cannot be effectively shaped, so that the processed mask is prone to deforming, and the quality effect of the mask is influenced; and whenthe existing device carries out crease processing on the medical surgical mask, the creased non-woven fabric cannot be effectively flattened, so that the non-woven fabrics protruding after the creasesare prone to wrinkling, and the use effect of the mask is affected.

Surgical devices and methods for reducing the risk of surgical fires for patients receiving supplemental oxygen. Airflow with elevated concentrations of oxygen is drawn away from a surgical field when the tubing is fluidly connected to a suction source. Tubing may be strategically positioned at locations presenting risks of oxygen gas buildup, such as the nasofacial sulcus or bucco-facial sulcus. Apertures are present in the tubing wall to draw airflow away from the surgical field and into the tubing. Various embodiments are contemplated in which the tubing is used with a surgical mask or a surgical drape, and a method of use is provided.

The invention relates to a medical surgical mask producing, manufacturing and processing method which comprises a bottom plate, a conveying belt and a hot-pressing device, the conveying belt is installed in the middle of the upper end of the bottom plate, the hot-pressing device is arranged above the conveying belt, and the lower end of the outer side of the hot-pressing device is installed on thebottom plate. The method can solve the problems that when existing equipment carries out hot-pressing processing on ear belt ropes of a medical surgical mask, the ear band ropes cannot be effectivelyand accurately conveyed,and the end parts of ear belt ropes cannot be clamped and fixed, so thatthe positioning effect of the ear belt ropes is poor, the subsequent processing is not facilitated, andmeanwhile, when the ear belt ropes of the medical surgical mask are subjected to hot-pressing processing by the existing equipment, the adhesion effect of the ear belt ropes is poor, the processing efficiency is low, the ear belt ropes are easy to fall off, and the subsequent use effect of the mask is influenced.

The invention relates to a reusable bacteria-haze-virus prevention mask and a preparation method thereof. The reusable bacteria-haze-virus prevention mask comprises a silica gel housing, a surface cover separated from the silica gel housing, and a replaceable antibacterial blocking filter disc which is arranged between the housing and the surface cover in a sealing mode through physical dimensioncooperation of the silica gel housing and the surface cover. The silica gel housing and the surface cover which are arranged in a separated mode can be cleaned and disinfected by using common methodssuch as water cleaning, stewing and alcohol disinfection and can be repeatedly used, and the service life is prolonged; the silica gel housing designed through 3D face engineering is reasonable in structure and high in sealing degree with the face, the surface cover is porous, the air feeding and exhausting quantity is large, and the protective efficiency and air permeability of the mask are coordinated very well; and the blocking filter disc can be independently and regularly replaced and replaced with a cut common medical mask or cut medical surgical mask for emergency, and the average comprehensive use cost is greatly reduced. The bacteria-haze-virus prevention mask is reusable and has the good bacteria-haze-virus prevention function.