Patent Grant
10967204
The present invention relates to negative pressure environments and more specifically to particle filtration for an environment.
It is generally known in the prior art to provide air particle filtration.
Prior art patent documents include the following:
U.S. Pat. No. 5,819,728 for gas treatment hood by inventor Ritchie, filed Oct. 7, 1997 and issued Oct. 13, 1998, is directed to a hood assembly placeable over a person's head for treating a person with a gas such as oxygen. Basically the assembly includes a resilient neck ring around a user's neck, a soft, rubbery, tubular neck seal with one end connected to the neck ring and the other configured to fit around the user's neck and a transparent hood fastened to a hood ring that can be sealed against the neck ring. Tubes direct gas into and out the hood through ports through the neck ring. Preferably, the seal that engages the neck is marked with indicia showing a series of varying circumferences, so that the neck seal opening can be trimmed to provide a comfortable and sealing circumference for engaging the user's neck. The assembly is particularly adapted for use in providing oxygen to a patient in a hyperbaric chamber.
U.S. Pat. No. 6,792,623 for helmet for artificial respiration without the aid of masks by inventor Luppi, filed Dec. 12, 2002 and issued Sep. 21, 2004, is directed to a helmet for artificial respiration without the aid of masks, comprising a containment body with at least one optically transparent portion, which can accommodate hermetically the head of a patient. The containment body has an air intake port that can be connected to a ventilation apparatus and an outlet port. The helmet further comprises, on the containment body, substantially at the mouth of the patient being treated, an opening that can be closed removably by a closure element.
U.S. Pat. No. 7,677,245 for helmet for artificial respiration by inventor Borsari, filed May 14, 2003 and issued Mar. 16, 2010, is directed to a helmet for artificial respiration without the aid of tracheal tubes comprises a container body, having at least a transparent portion and in which a patient's head can be housed, and a collar for air-tight application to the patient's neck, which consists of at least a rigid ring, equipped with a series of gas administration connection and accessory-holder fittings, said rigid ring being the only part of the helmet connected to the outside when operating, wherein an opening is present on the container body for rapid access to the patient, which is substantially hermetically closed by rapid coupling elements.
U.S. Pat. No. 6,076,524 for anesthetic scavenging hood by inventor Corn, filed Jun. 23, 1994 and issued Jun. 20, 2000, is directed to an anesthesia scavenging hood and is adapted to fit over the head of a surgical patient to prevent the contamination of operating rooms with waste anesthetic vapor and nitrous oxide gas. The hood enables placement of an endotracheal tube or other breathing or anesthesia circuit into the patient's airway. The hood may be sealed about the endotracheal tube and about the patient. The hood also includes a port having disposed therein a suction tube which communicates waste vapor and gas out of the hood and outside of the operating room with the aid of a vacuum source.
US Patent Publication No. 2012/0160239 for breath apparatus by inventor Hingley, filed Aug. 31, 2010 and published Jun. 28, 2012, is directed to breathing apparatus including a hood enclosing the patient's head and having a gas inlet and outlet located on the hood in the region of the patient's nose and mouth. Inlet tubing connects the gas inlet on the hood with an outlet of a gas supply unit; outlet tubing connects the gas outlet on the hood with an inlet of the gas supply unit. A pump in the gas supply unit draws gas extracted from the outlet tubing through a scrubber to remove carbon dioxide from gas extracted from the enclosure. A mixer valve mixes gas from the scrubber with fresh gas from an oxygen and helium cylinder for supply back to the inlet tubing.
U.S. Pat. No. 6,321,764 for collapsible isolation apparatus by inventor Gauger et al., filed Aug. 24, 1999 and issued Nov. 27, 2001, is directed to a collapsible personnel isolation apparatus for preventing unwanted contaminations of hazardous biological and chemical materials including a base. A cover connects to the base by way of a zipper. A plurality of glove box ports are provided to allow rapid and convenient treatment of the patient.
U.S. Pat. No. 8,298,130 for contamination detainment unit by inventor Maloney, filed Oct. 4, 2007 and issued Oct. 30, 2012, is directed to a mobile isolation unit which forms a chemical and biological barrier that has a substantially rectangular-parallelepiped shaped enclosure and a frame system configured to support the enclosure in the suspended position so as to create and internal and external environment. The enclosure may also be equipped with at least one opening for access into and out of the enclosure, a zipper for opening and closing the access port, at least one biomedical port, and a plurality of support points configured to support the enclosed in the suspended position when the frame is in an open position so that a patient can be placed in and out of the enclosure. A method for isolating and treating a patient using the mobile isolation unit is also provided.
U.S. Pat. No. 6,971,985 for an isolation chamber by inventor Perlatti, filed Jun. 2, 2003 and issued Dec. 6, 2005, is directed to an isolation chamber for providing containment for a contaminated patient including a flexible enclosure that is configurable to receive a contaminated patient therein. The enclosure includes a first side, a second side, a top that is hingedly pivotable about a top of the first side, a bottom, a first end, and a second end. The top is maintained spaced apart from the bottom such that the top is maintained out of physical contact with a contaminated patient received in the enclosure. A plurality of attachment devices are disposed on at least one of the first and second sides or the first and second ends. The plurality of attachment devices are configured to attach to one of the first and second sides or the first and second ends to support members of a stretcher. If desired, ventilation may be provided within the isolation chamber.
US Patent Publication No. 2006/0137686 for a normobaric infection control by inventor Macris, filed Dec. 19, 2005 and published Jun. 29, 2006, is directed to a normobaric infection control apparatus and method utilizing a portable, inflatable oxygen treatment type hood having an inlet port to which an inhalation gas conduit is connected and an outlet port to which an exhaled gas conduit is connected, and in which, in a first structural embodiment and method, provides normobaric infection control of a user's exhalations by means of exhaled gas filter means disposed in the exhaled gas conduit, and which, in a second structural embodiment and method, provides normobaric infection control of the inhalations of a user by means of inhalation gas filter means disposed in the inhalation gas conduit.
US Patent Publication No. 2016/0136024 for a method & device for containing deadly germs of a patient during treatment by inventor Poenisch, et al., filed Nov. 18, 2014 and published May 19, 2016, is directed to methods and devices presented for the long-term treatment of a patient infectious with deadly microbes without a risk for spread of germs to caregivers comprising a hermetically sealed human sized containment box with means for delivering medical care, for sustaining life, and for dealing with waste products, as well as providing rehabilitative care.
US Patent Publication No. 2018/0303691 for a patient isolator by inventor Heyerdahl et al., filed Nov. 14, 2016 and published Oct. 25, 2018, is directed to a patient isolator including a base and a cover which is arranged to seal with the base. The cover is formed from a rigid material and has two access ports on an end face. The two access ports are angled in a width direction relative to a plane which extends parallel to the width direction of the patient isolator. The two access ports are angled relative to each other. A method of isolating a patient from an environment is also disclosed.
US Patent Publication No. 2020/0085660 for marine rescue patient isolation apparatus by inventor Jenker, filed Mar. 15, 2018 and published Mar. 19, 2020, is directed to a patient isolation unit (PIU) for use in marine rescues. The PIU of this invention is useful to safely transport personnel exposed to, or potentially exposed to, an identified and/or known infectious agent or chemical warfare agent (CWA) on marine vessels and/or aircraft such as Coast Guard boasts, cutters and aircraft. The PIU has a generally tapered tubular shape compatible with wire rescue baskets conforming in shape to the human body and into which an injured, sick, or disabled person can be safely strapped, such as the Stokes litter rescue basket for hoisting and fit in rotary wing aircraft.
U.S. Pat. No. 5,257,957 for facility for providing a sealed work area to handle, manipulate and formulate materials by inventor Diccianni et al., filed Oct. 16, 1992 and issued Nov. 2, 1993, is directed to a facility for providing a sealed work area to handle, manipulate and formulate materials which includes a walled enclosure having an interior periphery defining a work area. The enclosure includes an inlet port for allowing air to flow into the enclosure work area and an outlet port for allowing air to flow out of the enclosure work area. A replaceable liner is positioned within the enclosure work area in facing relationship with the interior periphery to further define the enclosure work area. The liner includes an inlet aperture in complementary sealed engagement with the inlet port and an outlet aperture in complementary sealed engagement with the outlet port. The liner is readily removable from the work area to be replaced with a second liner to facilitate decontamination of the work area. A blower causes air to flow through the inlet port into the enclosure work area and out of the enclosure work area through the outlet port.
US Patent Publication No. 2005/0136827 for a mobile aeraulic isolation device against airborne contamination with variable geometry air diffuser by inventor Basset et al., filed Oct. 19, 2002 and issued May 15, 2007, is directed to a mobile aeraulic isolation device with variable geometry multi-block air diffusion chamber, comprising at least two mobile plenums to protect a sensitive area such as a bed against contaminating airborne aerosols. It comprises an air diffusion chamber formed of at least two rigid plenums mechanically connected together so as to be mobile relative to one another, and having a lower air diffusing surface substantially planar and porous to air. Relative movement means for mobile plenums enable their positioning in relation to one another in at least two distinct relative positions. The device comprises physical decontamination means for moving air passing through it, air pressurising means, aeraulic connection and air circulation means, and a mobile supporting chassis. The device a) is characteristic in that it comprises complementary means for absolute movement of the group of two rigid plenums relative to chassis. So that its two plenums are both mobile, both relative to one another and relative to chassis. Device a) forms a mobile protective isolation device for immunosuppressed persons.
US Patent Publication No. 2005/0011006 for restraining enclosure for a bed and related method by inventor Ellen et al., filed Aug. 3, 2004 and issued Jun. 3, 2008, is directed to a collapsible enclosure for restraining a patient to an area about a bed comprising a frame having a horizontal eave portion, a horizontal base portion opposing the horizontal cave portion, and at least two vertical members upstanding from the horizontal base portion for supporting the horizontal cave portion. The frame collapses as an integral unit for storage and transfer. A canopy secured to the frame defines an area about a bed such that a patient is allowed to move freely within the area. The canopy includes see-through portions defined by dark colored mesh to enhance visibility therethrough and prevent glare. In one embodiment, the canopy includes a hermetically sealable chamber defining the patient area for quarantining the patient therein.
US Patent Publication No. 2006/0020159 for portable isolation enclosure by inventor Ellen et al., filed Aug. 2, 2005 and issued Jan. 20, 2009, is directed to an isolation enclosure is provided for isolating a person to an area about a bed, wherein the bed is adapted to support the person and includes a frame and a mattress overlying the frame. The isolation enclosure comprises a frame adapted to surround the bed; and a canopy connectable to the frame and defining an isolation chamber sealed with respect to the ambient atmosphere. The isolation chamber extends over the frame of the bed and is sufficiently large to allow a person located within the isolation chamber to be supported on the bed and to move freely within the isolation chamber. The canopy includes a base wall adapted to either (i) overly the mattress of the bed, and (ii) lie between the mattress and the frame of the bed. A frame transport device, such as wheels, casters, or sliders, is mounted on the frame and adapted to transport the frame and canopy in cooperation with the bed to thereby transport a patient supported on the bed and located within the isolation chamber. An environmental control device is connectable in fluid communication with the isolation chamber and includes (i) a filter adapted to filter air entering and filter air exiting the isolation chamber, and (ii) a pump adapted to pump air into the isolation chamber to increase the pressure within the isolation chamber relative to the ambient atmosphere, and pump air out of the isolation chamber to decrease the pressure within the isolation chamber relative to the ambient atmosphere.
US Patent Publication No. 2012/0285459 for air disinfection and cleaning device, and exhaled gas disinfection and cleaning device, interior air disinfection and cleaning device, and simplified isolation device using the same by inventor Sata et al., filed Jan. 14, 2011 and published Nov. 15, 2012, is directed to an air disinfection and cleaning device is provided that includes: a cylindrical reflector having a cylindrical inner surface in which an air flows from an upper end to a lower end and the cylindrical inner surface is subjected to mirror finishing; a rod shaped ultraviolet lamp disposed at the center within the cylindrical reflector parallel to the long side; photocatalytic sheet filters being air permeable photocatalytic sheet filters having a diameter nearly equal to an inner diameter of the cylindrical reflector, provided respectively at one end and the other end in the cylindrical reflector, and being penetrated by the ultraviolet lamp at the center thereof; and a copper sheet filter being an air permeable photocatalytic sheet filter having a diameter nearly equal to an inner diameter of a cylinder member and closing a lower end opening of the cylindrical reflector.
US Patent Publication No. 2016/0276048 for device system for military and/or humanitarian operations, in particular a mobile decontamination system by inventor Popp et al., filed Jun. 2, 2016 and issued Jan. 1, 2019, is directed to a device system for military and/or humanitarian operations, in particular a mobile decontamination system, comprises a plurality of power-operated units, accessory parts and operating supplies, which together determine a functional scope of the device system. The power-operated units, accessory parts and operating supplies are mounted on a base plate by means of a retaining structure, said base plate having a defined placement surface and anchoring elements. The anchoring elements enable detachable anchoring of the base plate together with the retaining structure to a transport means, in particular to a transport vehicle. The retaining structure is formed from a plurality of self-supporting, structurally identical, cuboid-shaped frames, which are arranged next to each other and/or on top of each other and are fastened to the base plate. The frames each have eight corner pieces and twelve edge profile elements, which together enclose a defined storage volume. The power-operated units, accessory parts and operating supplies are arranged in the defined storage volumes and, preferably, at least the majority of the power-operated units and operating supplies are retained in the frames even during operation of the device system.
The present invention relates to removing airborne particulates emitted from a patient during triage, transportation, and treatment, including aerosol generating procedures (AGPs) and end of life care.
It is an object of this invention to prevent exposure to pathogenic biological airborne particulates during triage, transportation, and treatment, including aerosol generating procedures (AGPs) and end of life care.
It is another object of this invention to provide a device that is compatible with a standard hospital bed and average human size and to provide adequate space to allow healthcare personnel to perform a medical procedure.
In one embodiment, the present invention includes a device for removing airborne particulates from an environment, comprising: a multiplicity of support members, at least two locking hinges, a flexible cover including at least one slit, at least one port operable to connect to an air supply or a vacuum, and at least one crossbar, wherein at least two support members of the multiplicity of support members are substantially parallel, wherein each of the at least two locking hinges is configured to connect at least two of the multiplicity of support members, wherein the at least one crossbar is configured to connect the at least two substantially parallel support members, wherein the flexible cover covers the multiplicity of support members, and wherein the at least one slit provides access to the interior of the device.
In another embodiment, the present invention includes a device for removing airborne particulates from an environment, comprising: a multiplicity of support members, at least two locking hinges, a flexible cover including at least one slit, at least one port operable to connect to an air supply or a vacuum, at least one crossbar, and at least one tube including a first end and a second end, wherein each of the at least two locking hinges is configured to connect at least two support members of the multiplicity of support members, wherein at least two support members of the multiplicity of support members are substantially parallel, wherein the at least one crossbar is configured to connect the at least two substantially parallel support members, wherein the flexible cover covers the multiplicity of support members, wherein the slit provides access to the interior of the device, wherein the first end of the at least one tube is connected to the at least one port, and wherein the second end of the at least one tube is connected to the air supply or the vacuum.
In yet another embodiment, the present invention includes a device for removing airborne particulates from an environment, comprising: a multiplicity of support members, at least two locking hinges, a flexible cover including at least one slit, at least one port operable to connect to an air supply or a vacuum, at least one crossbar, and at least one barb fitting, wherein at least two support members of the multiplicity of support members are substantially parallel, wherein each of the at least two locking hinges is configured to connect at least two of the multiplicity of support members, wherein the at least one crossbar is configured to connect the at least two substantially parallel support members, wherein the at least one barb fitting is configured to connect at least two support members of the multiplicity of support members, wherein the flexible cover covers the multiplicity of support members; wherein the at least one slit provides access to the interior of the device, wherein the device is configured to be positioned in an open position and a closed position, and wherein, in the open position, at least two of the multiplicity of support members are substantially orthogonal.
In still another embodiment, the present invention includes a device for removing airborne particulates from an environment, comprising: a multiplicity of support members, at least two locking hinges, a flexible cover including at least one slit, at least one port operable to connect to an air supply or a vacuum, at least one crossbar, at least one barb fitting, a base, and an attachment component, wherein at least two support members of the multiplicity of support members are substantially parallel, wherein each of the at least two locking hinges are configured to connect at least two of the multiplicity of support members, wherein the at least one crossbar is configured to connect the at least two substantially parallel support members, wherein the at least one barb fitting is configured to connect at least two support members of the multiplicity of support members, wherein the flexible cover covers the multiplicity of support members, wherein the at least one slit provides access to the interior of the device, wherein the base includes a first base support member, a second base support member, and a base crossbar, wherein the first base support member and the second base support member are substantially parallel, and wherein the base crossbar is configured to connect the first base support member and the second base support member, and wherein the attachment component is operable to attach the device to a hospital bed or a stretcher.
These and other aspects of the present invention will become apparent to those skilled in the art after a reading of the following description of the preferred embodiment when considered with the drawings, as they support the claimed invention.
The present invention is generally directed to preventing exposure to pathogenic biological airborne particulates.
In one embodiment, the present invention includes a device for removing airborne particulates from an environment, comprising: a multiplicity of support members, at least two locking hinges, a flexible cover including at least one slit, at least one port operable to connect to an air supply or a vacuum, and at least one crossbar, wherein at least two support members of the multiplicity of support members are substantially parallel, wherein each of the at least two locking hinges is configured to connect at least two of the multiplicity of support members, wherein the at least one crossbar is configured to connect the at least two substantially parallel support members, wherein the flexible cover covers the multiplicity of support members, and wherein the at least one slit provides access to the interior of the device. The device further includes wherein the multiplicity of support members include a brace, wherein the brace includes a first brace crossbar, a second brace crossbar, a first pair of substantially parallel support members and a second pair of substantially parallel support members, wherein the first brace crossbar is configured to connect each support member of the first set of substantially parallel support members, and wherein the second brace crossbar is configured to connect each support member of the second set of substantially parallel support members. The brace further includes the at least two locking hinges, wherein each of the at least two locking hinges is configured to connect to a support member of the first set of substantially parallel support members and a support member of the second set of substantially parallel support members. The device further including a base, wherein the base includes a first base support member, a second base support member, and a base crossbar, wherein the first base support member and the second base support member are substantially parallel, and wherein the base crossbar is configured to connect the first base support member and the second base support member. The device is configured to be positioned in an open position and a closed position, wherein, in the open position, at least two of the multiplicity of support members are substantially orthogonal, wherein the at least two substantially orthogonal support members are connected via at least one barb fitting. The flexible cover includes polyvinyl carbonate. The at least one slit includes four slits. The device further includes a base and at least one attachment component, wherein the base includes a base crossbar, wherein the at least one attachment component is connected to the base crossbar, wherein the at least one attachment component is operable to attach the device to a hospital bed or a stretcher. The at least one port includes two ports. The device further includes at least one cover attachment component, wherein the at least one cover attachment component includes at least one female snap fastener, wherein the at least one female snap fastener is operable to receive a male snap fastener, and wherein the flexible cover includes the male snap fastener.
In another embodiment, the present invention includes a device for removing airborne particulates from an environment, comprising: a multiplicity of support members, at least two locking hinges, a flexible cover including at least one slit, at least one port operable to connect to an air supply or a vacuum, at least one crossbar, and at least one tube including a first end and a second end, wherein each of the at least two locking hinges is configured to connect at least two support members of the multiplicity of support members, wherein at least two support members of the multiplicity of support members are substantially parallel, wherein the at least one crossbar is configured to connect the at least two substantially parallel support members, wherein the flexible cover covers the multiplicity of support members, wherein the slit provides access to the interior of the device, wherein the first end of the at least one tube is connected to the at least one port, and wherein the second end of the at least one tube is connected to the air supply or the vacuum. The device further includes wherein the multiplicity of support members include a brace, wherein the brace includes a first brace crossbar, a second brace crossbar, a first pair of substantially parallel support members and a second pair of substantially parallel support members, wherein the first brace crossbar is configured to connect each support member of the first set of substantially parallel support members, wherein the second brace crossbar is configured to connect each support member of the second set of substantially parallel support members. The brace further includes the at least two locking hinges, wherein each of the at least two locking hinges is configured to connect to a support member of the first set of substantially parallel support members and a support member of the second set of substantially parallel support members. The device further including a base, wherein the base includes a first base support member, a second base support member, and a base crossbar, wherein the first base support member and the second base support member are substantially parallel, wherein the base crossbar is configured to connect the first base support member and the second base support member. The device is further configured to be positioned in an open position and a closed position, wherein, in the open position, at least two of the multiplicity of support members are substantially orthogonal, wherein the at least two substantially orthogonal support members are connected via at least one barb fitting. The device further including at least one High Efficiency Particulate Air (HEPA) filter connected to the at least one port. The device wherein the at least one slit includes four slits. The device wherein the flexible cover includes polyvinyl carbonate. The device further including a base and at least one attachment component, wherein the base includes a base crossbar, wherein the at least one attachment component is attached to the base crossbar, and wherein the at least one attachment component is operable to attach the device to a hospital bed or a stretcher. The device wherein the at least one port includes two ports. The device further including at least one cover attachment component, wherein the at least one cover attachment component includes at least one female snap fastener, wherein the at least one female snap fastener is operable to receive a male snap fastener, wherein the flexible cover includes the male snap fastener.
In yet another embodiment, the present invention includes a device for removing airborne particulates from an environment, comprising: a multiplicity of support members, at least two locking hinges, a flexible cover including at least one slit, at least one port operable to connect to an air supply or a vacuum, at least one crossbar, and at least one barb fitting, wherein at least two support members of the multiplicity of support members are substantially parallel, wherein each of the at least two locking hinges is configured to connect at least two of the multiplicity of support members, wherein the at least one crossbar is configured to connect the at least two substantially parallel support members, wherein the at least one barb fitting is configured to connect at least two support members of the multiplicity of support members, wherein the flexible cover covers the multiplicity of support members; wherein the at least one slit provides access to the interior of the device, wherein the device is configured to be positioned in an open position and a closed position, and wherein, in the open position, at least two of the multiplicity of support members are substantially orthogonal. The device further including a base and at least one attachment component, wherein the base includes a base crossbar, wherein the at least one attachment component is attached to the base crossbar, and wherein the at least one attachment component is operable to attach the device to a hospital bed or a stretcher. The device further including at least one cover attachment component, wherein the at least one cover attachment component includes at least one female snap fastener, wherein the at least one female snap fastener is operable to receive a male snap fastener, wherein the flexible cover includes the male snap fastener. The device wherein the at least two substantially orthogonal support members are connected via the at least one barb fitting.
In still another embodiment, the present invention includes a device for removing airborne particulates from an environment, comprising: a multiplicity of support members, at least two locking hinges, a flexible cover including at least one slit, at least one port operable to connect to an air supply or a vacuum, at least one crossbar, at least one barb fitting, a base, and an attachment component, wherein at least two support members of the multiplicity of support members are substantially parallel, wherein each of the at least two locking hinges are configured to connect at least two of the multiplicity of support members, wherein the at least one crossbar is configured to connect the at least two substantially parallel support members, wherein the at least one barb fitting is configured to connect at least two support members of the multiplicity of support members, wherein the flexible cover covers the multiplicity of support members, wherein the at least one slit provides access to the interior of the device, wherein the base includes a first base support member, a second base support member, and a base crossbar, wherein the first base support member and the second base support member are substantially parallel, and wherein the base crossbar is configured to connect the first base support member and the second base support member, and wherein the attachment component is operable to attach the device to a hospital bed or a stretcher. The device wherein the multiplicity of support members include a brace, wherein the brace includes a first brace crossbar, a second brace crossbar, a first pair of substantially parallel support members and a second pair of substantially parallel support members, wherein the first brace crossbar is configured to connect each member of the first set of substantially parallel support members, and wherein the second brace crossbar is configured to connect each support member of the second set of substantially parallel support members. The device wherein the at least one slit includes four slits. The device further including at least one cover attachment component, wherein the at least one cover attachment component includes at least one female snap fastener, wherein the at least one female snap fastener is operable to receive a male snap fastener, wherein the flexible cover includes a male snap fastener. The device is configured to be positioned in an open position and a closed position, wherein, in the open position, at least two of the multiplicity of support members are substantially orthogonal, wherein the at least two substantially orthogonal support members are connected via the at least one barb fitting.
None of the prior art discloses an adjustable negative pressure environment system that reduces the difficulty of operating on a patient without increasing the exposure to pathogenic airborne particles.
The present invention is directed towards a self-contained negative pressure environment (SCONE) device. In one embodiment, the SCONE device includes a standalone clear polycarbonate box with arm access holes, a drape holder, at least one arm hole cover and tubing connector/adapter(s). The intubation device is operable to mount on a bed to cover a patient's neck and head when the patient is lying in a supine position. The SCONE device includes an air supply and a vacuum suction tube to generate a negative pressure environment for the patient. Advantageously, the SCONE device acts as an extra layer of protection in addition to personal protective equipment (PPE) to prevent healthcare personnel (HCP) exposure to pathogenic biological airborne particulates during triage, transportation, and treatment, including aerosol generating procedures (AGPs) and end of life care. For example and not limitation, the present invention is operable to block COVID-19 particulates and similarly sized particulates. The present invention is further operable to capture and remove airborne particulates from a patient's nose and mouth by creating a negative pressure environment that provides both barrier and aerosolization protection.
It is an object of the present invention to reduce the spread of infectious disease in hospitals, decrease illness and missed workdays for healthcare professionals and reduce the need for costly personal protective equipment. Additionally, the present invention enables a hospital to increase its triage throughput, particular during periods of high capacity (e.g., during a pandemic). The present invention increases triage throughput by providing an adaptable device for patients and hospital beds of different sizes. Furthermore, the present invention prevents exposure to airborne pathogenic particulates for hospital visitors, and increases a patient's morale and emotional comfort.
The present invention is further directed towards ambulatory uses. In one embodiment, the present invention is configured for quick deployment during emergency situations.
In one embodiment, the present invention includes a device that is operable to support a variety of medical procedures. The device includes a box, at least one drape, a drape holder strip, a tether for the drape holder strip, magnetic tape for the drape holder strip, at least one magnet, at least one cap plug, at least one safety line, at least one pipe adapter, at least one breathing circuit, at least one step-down adapter, tubing, and at least one tube connector. In another embodiment, the box includes a clear polycarbonate material. In one embodiment, the box is 5-sided. The box includes at least one arm access hole to provide access to a patient. The box further includes at least one air management port to provide for the inflow and outflow of air. The at least one cap plug is operable to support a ⅛ inch plastic safety line. The present invention further includes at least one cap plug for a hand hole cover and at least one cap plug for a suction line. In another embodiment, the present invention includes ½ inch socket-connect female×½ inch NPT male PVC pipe adapter and an ½ inch socket-connect female×½ inch NPT female PVC pipe adapter. The present invention further includes a Universal F2 anesthesia breathing circuit. In yet another embodiment, the present invention includes a polyvinyl chloride (PVC) film cover.
In one embodiment, the present invention includes a step down adapter between a breathing tube and a hospital line. In another embodiment, the outer ring of the step-down adapter is 1 and ⅜ inches. The hole opening has a larger end diameter of ⅞ inches. In another embodiment the step-down adapter includes a hole opening diameter of 13/16 inches with an external diameter of 1⅜ inches. In yet another embodiment, the step-down adapter includes a soft plumbing hose rubber material.
In another embodiment, the present invention includes a drape. The present invention includes at least one drape holder strip, a tether for the drape holder strip, magnetic tape for the drape holder strip, and at least one magnet. In one embodiment, the magnet is a neodymium magnet.
Referring now to the drawings in general, the illustrations are for the purpose of describing one or more preferred embodiments of the invention and are not intended to limit the invention thereto.
In some embodiments, the SCONE device 100 may have open and closed positions. In an open position, the legs 305a of the two support members 305 of the SCONE device are substantially orthogonal, as shown in
A SCONE device was tested using a human mannequin torso with a simulated aerosol generating device (AGD) producing particles within the device with sizes ranging from 0.3 to 10 μm. The AGD was capable of producing simulated cough events, increasing the average particle density within the counter from between 1,200-1,500 particles per liter to 30,000-45,000 particles per liter. The number of particles within the device over time were counted using a Fluke Particle Counter. After a simulated cough event, particle density within the device was counted immediately after the cough event and at one-minute intervals afterward until ambient baseline levels were reached.
The test demonstrated a pressure within the device of −0.002-0.0004 inches water. Immediately after the simulated cough event, particle count directly adjacent to, but outside of the box were measured to be at ambient levels and remained at those levels for the full duration of the study. The clearance efficiency within the device was measured to be 99% in less than three minutes, with a complete return to baseline levels within 7 minutes.
Similar tests were performed in which oxygen was regularly supplied to the interior of a SCONE device.
SCONE devices having one or more holes open to the outside environment were also tested, in order to simulate the efficacy of the device during interaction by medical professionals. The efficacy of the device with varying numbers of open holes was tested against a negative control group, wherein no SCONE device was present. The background-subtracted equilibrium particle count and percent decrease in number of particles relative to the negative control are shown in Table 2 below.
In order to test the safety of a SCONE device, a volunteer was placed inside the SCONE device for 12 minutes. During the course of the test, the volunteer's oxygen saturation, end-tidal CO2 levels, and inspired minimum CO2 levels were continuously monitored. Normal levels of oxygen saturation were considered to be between 95 and 100%, with results below 90% being considered low. Normal ranges for End-Tidal CO2 were expected to be between 35 and 35 mmHg, while a normal range for inspired minimum CO2 was considered to be 2-20 mmHg. Results of this test, with vital levels being reported every minute for 12 minutes is recorded below in Table 3.
In one embodiment, the present invention is foldable and/or collapsible, thereby increasing the portability sand saving storage space. The SCONE device is adjustable to accommodate for various bed sizes and patient widths. Additionally, the adjustability of the SCONE device allows for a health care professional to adapt the SCONE device to a patient's comfort level. For example, and not limitation, if a patient is claustrophobic, then the SCONE device is operable to increase in width and height to relieve the patient's discomfort. Alternatively, the SCONE device is angled to increase the space around a patient's head and eyes. In one embodiment, the present invention is operable to increase between 10% to 20% in width. In another embodiment, the present invention is operable to increase between 15 to 25% in size. In yet another embodiment, the present invention is operable to increase between 5% to 15% in size.
The SCONE device includes holes in the bottom of the device to allow for affixation to a bed and to support a patient sitting at different angles. In one embodiment, the SCONE device includes at least one hand access port to allow for access to a patient. In another embodiment, the present invention includes four hand access ports. In one embodiment, the SCONE device is disposable. The SCONE device includes a PVC or ethylene vinyl acetate (EVA) film that is used during triage, transportation, and treatment, including aerosol generating procedures (AGPs). In yet another embodiment the present invention is reusable.
The present invention maintains an airtight connection when subjected to a pressure range from between about −8 psi to about atmospheric pressure. The SCONE device is operable to maintain a negative pressure between about −6 to about −3.5 psi. Advantageously, the present invention is operable to function after exposure to 80% isopropyl alcohol and ethanol-based cleaners. Additionally, the present invention is operable to support aerosolized treatments (BIPAP/CPAP and nebulizers).
The present invention is configured to work with a vacuum, medical/oxygen, HEPA filters. However, a HEPA filter is not required for the present invention, which increases the air flow rate. In yet another embodiment, the present invention includes at least two vacuum suction lines that are operable to create a negative-pressure environment and increase the particulate clearance rate. In another embodiment, the present invention is configured to improve visibility for the patient while in the device. For example, and not limitation, the SCONE device includes a clear polycarbonate material that allows for a patient to see out of the SCONE device and for healthcare personnel to see inside the SCONE device.
In another embodiment, the present invention includes at least one sensor. In one embodiment, the at least one sensor includes an air flow rate sensor, a pressure gage, a molecular sensor, a temperature sensor, and/or a moisture sensor. The air flow rate sensor is operable to measure the air exchange rate of the SCONE device. For example, and not limitation, the air flow rate sensor measures the air exchange rate of the SCONE device based on the change in volume and/or density in air going through the SCONE device. The air flow sensor includes a temperature sensor and a heating element. The air flow sensor is operable to determine a temperature difference from the airflow around the heating element and is configured for bidirectional measurement. The change in temperature corresponds to a change in air particulates and the sensor is operable to generate a measurement signal in response to the change in temperature. In yet another embodiment, the present invention is configured to provide a tracer gas. The at least one sensor is operable to monitor the mass air flow rate of the tracer gas to determine the volume of air inside the SCONE device and evaluate if the SCONE device if functioning properly.
The above-mentioned examples are provided to serve the purpose of clarifying the aspects of the invention, and it will be apparent to one skilled in the art that they do not serve to limit the scope of the invention. By nature, this invention is highly adjustable, customizable and adaptable. The above-mentioned examples are just some of the many configurations that the mentioned components can take on. All modifications and improvements have been deleted herein for the sake of conciseness and readability but are properly within the scope of the present invention.
The present invention is related to and claims priority from U.S. Provisional Patent Application No. 63/047,636, filed Jul. 2, 2020, which is incorporated herein by reference in its entirety.
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