WO2022039590A1 - Ensemble barrière de confinement destiné à être utilisé dans une procédure de génération d'aérosol - Google Patents

Ensemble barrière de confinement destiné à être utilisé dans une procédure de génération d'aérosol Download PDF

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Publication number
WO2022039590A1
WO2022039590A1 PCT/MY2021/050068 MY2021050068W WO2022039590A1 WO 2022039590 A1 WO2022039590 A1 WO 2022039590A1 MY 2021050068 W MY2021050068 W MY 2021050068W WO 2022039590 A1 WO2022039590 A1 WO 2022039590A1
Authority
WO
WIPO (PCT)
Prior art keywords
side wall
opposing side
barrier assembly
containment barrier
filtration member
Prior art date
Application number
PCT/MY2021/050068
Other languages
English (en)
Inventor
Fatimah IBRAHIM
Mohd Afiq Syahmi RAMLI
Ina Ismiarti SHARIFFUDDIN
Aung THIHA
Karunan JOSEPH
Mas Sahidayana MOKHTAR
Original Assignee
University Of Malaya
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University Of Malaya filed Critical University Of Malaya
Publication of WO2022039590A1 publication Critical patent/WO2022039590A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G10/00—Treatment rooms or enclosures for medical purposes
    • A61G10/005—Isolators, i.e. enclosures generally comprising flexible walls for maintaining a germ-free environment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/05—Splash shields for protection of the surgeon, e.g. splash guards connected to the apparatus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/40—Apparatus fixed or close to patients specially adapted for providing an aseptic surgical environment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/40—Apparatus fixed or close to patients specially adapted for providing an aseptic surgical environment
    • A61B2090/401—Apparatus fixed or close to patients specially adapted for providing an aseptic surgical environment using air flow
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18—Radiation
    • A61L9/20—Ultraviolet radiation

Definitions

  • the present invention generally relates to containment barriers. More particularly, the present invention relates to an improved containment barrier assembly for use in, but not limited to, an aerosolized generating procedure.
  • coronavirus for instance a virus that causes severe acute respiratory syndrome, "SARS", e.g. MERS-CoV, SARS-CoV- 1 and COVID-19, and patient contacts must be screened, tested and treated.
  • SARS severe acute respiratory syndrome
  • MERS-CoV virus that causes severe acute respiratory syndrome
  • SARS-CoV- 1 and COVID-19 a virus that causes severe acute respiratory syndrome
  • patient contacts must be screened, tested and treated.
  • SARS severe acute respiratory syndrome
  • coronaviruses that cause severe respiratory infections are zoonotic pathogens, which begin in infected animals and are transmitted from animals to people. They have significant person-to-person transmission. Infection control is of paramount importance too, not just to the patients but to the healthcare personnel, i.e. frontline staff, that works in testing, screening and treatment facilities including hospitals and care centers. A proper infection control at the facilities must always be observed and maintained when handling suspected and confirmed case patients.
  • Some procedures performed on patients are more likely to generate higher concentrations of infectious respiratory aerosols than coughing, sneezing, talking, or breathing. These aerosolized or aerosol generating procedures potentially put healthcare personnel and others at an increased risk for pathogen exposure and infection.
  • Commonly performed medical procedures that are often considered aerosol generating procedures, or that create uncontrolled respiratory secretions include open suctioning of airways, sputum induction, cardiopulmonary resuscitation, endotracheal intubation and extubation, non-invasive ventilation, bronchoscopy and manual ventilation.
  • aerosolized viral particles become airborne in droplet nuclei that are less than 5 microns in size, can travel greater than 1 meter, and remain airborne for up to 3 hrs.
  • virus droplet nuclei can pass through the pores of surgical masks.
  • healthcare workers should wear respiratory PPE to N95 protection level or higher.
  • goggles or face shields cover the front and lateral portions of the head are required.
  • the present invention provides a containment barrier assembly for use in an aerosolized generating procedure.
  • the containment barrier assembly of the present invention may be characterized by a trapezoidal-shaped receptacle comprising a first opposing side wall, a second opposing side wall, an end wall and a transverse wall joining the first opposing side wall, the second opposing side wall and the end wall to form a cavity configured for receiving a subject therein, wherein the trapezoidal-shaped receptacle comprises a first operator access means and a second operator access means respectively formed on the said first opposing side wall and the said end wall; a filtration member mountable to the second opposing side wall comprising a high efficiency particular air (HEPA) filter and a suction fan which draws a stream of air including an aerosol from the said cavity through the said HEPA filter for removing particulate matters therefrom; a magnetic mounting member comprising a first magnet element disposed at the filtration member and a second magnet element disposed at a hole opening formed on the said second opposing side wall configured for sealingly coupling the filtration member to the said hole opening, wherein the first magnet
  • the filtration member further comprises an ultraviolet sterilizer configured for disinfecting and sterilizing microorganism in the said stream of air.
  • the portable holding post comprises a modular base orthogonally connected to the said structural support.
  • the modular base comprises a supporting chassis with wheels enabling the said assembly to be displaced on a floor surface.
  • the portable holding post further comprises a fastening means deployed at one end of the structural support to releasably retain the said filtration member to the said one end.
  • the first operator access means and the second operator access means comprise a glove port.
  • the containment barrier assembly further comprises a silicone suction member for use in supporting the filtration member on the trapezoidalshaped receptacle thereof.
  • the trapezoidal-shaped receptacle is transparent.
  • Figure 1 shows a left side isometric view of a containment barrier assembly according to one embodiment of the present invention
  • Figure 2 shows a front isometric view of a containment barrier assembly according to one embodiment of the present invention
  • Figure 3 shows a right side isometric view of a containment barrier assembly according to one embodiment of the present invention
  • Figure 4 shows a trapezoidal-shaped receptacle employed in the containment barrier assembly according to one embodiment of the present invention
  • Figure 5 shows a rear isometric view of a portable holding post employed in the containment barrier assembly according to one embodiment of the present invention
  • Figure 6 shows a front isometric view of a portable holding post employed in the containment barrier assembly according to one embodiment of the present invention
  • Figures 7A, 7B, 7C, 7D, 7E and 7F respectively show a front view, a left side view, a right side view, a top view, a rear view and a bottom view of a trapezoidalshaped receptacle employable in the containment barrier assembly according to one embodiment of the present invention
  • Figures 8A, 8B, 8C, 8D, 8E and 8F respectively show a front view, a left side view, a right side view, a top view, a rear view and a bottom view of a trapezoidalshaped receptacle employable in the containment barrier assembly according to one embodiment of the present invention.
  • Figures 9A, 9B, 9C, 9D, 9E and 9F respectively show a front view, a left side view, a right side view, a top view, a rear view and a bottom view of a trapezoidal- shaped receptacle employable in the containment barrier assembly according to one embodiment of the present invention.
  • the present invention discloses a high containment barrier assembly for use in, but not limited to, an aerosolized generating procedure on patients with diseases, especially those caused by or associated with a coronavirus or viral infections such as an influenza A virus, e.g. H1 N1 , H3N2 and H5N1 , and mutations thereof, and a coronavirus, for instance a virus that causes severe acute respiratory syndrome, "SARS", e.g. MERS-CoV, SARS-CoV-1 and SARS-CoV-2 or COVID-19.
  • the containment barrier assembly of the present invention can be used and maintained in a highly specific and compact, cost-effective, quick and simple manner, without the use of complicated and sophisticated components or parts.
  • the term “healthcare provider” or “healthcare personnel” may refer to a doctor of medicine or osteopathy, podiatrist, dentist, chiropractor, clinical psychologist, optometrist, nurse, nurse practitioner, nurse-midwife, physician's assistant, paramedic, combat medic, physical therapist, occupational therapist, pharmacist or a clinical social worker who is authorized to practice by the authority and performing within the scope of their practice as defined by law, or a science practitioner.
  • subject may refer to, and is used interchangeably with, human subject, individual or patient, unless otherwise specified.
  • the containment barrier assembly of the present invention can be used as a protection barrier for healthcare personnel during an intubation or clinical procedure, and laboratory analysis of infectious diseases.
  • Intubation which is considered to be an aerosolized generating procedure, for instance, in case patients with COVID-19, the aerosolized generating procedure may lead to high risk of transmission for the medical personnel.
  • the containment barrier assembly of the present invention By using the containment barrier assembly of the present invention, the aerosolization and contamination would be limited within the assembly, thereby reducing the risk of transmission for the medical personnel. It can also be used in intubating patients with other airborne infectious diseases such as pulmonary tuberculosis and varicella pneumonia.
  • Intubation procedure ranks among the top of the risk for exposure for healthcare personnel.
  • the containment barrier assembly of the present invention offers an additional protection that would mitigate the risk of transmission of the medical personnel performing and assisting the intubation procedure.
  • the containment barrier assembly comprises a trapezoidal-shaped receptacle 100, a filtration member 200, a magnetic mounting member and a portable holding post 300.
  • the trapezoidal-shaped receptacle 100 preferably comprises a first opposing side wall 101 , a second opposing side wall 102 in parallel with the said first opposing side wall 101 , an end wall 103 and a transverse wall 104.
  • the end wall 103 preferably connects the said first opposing side wall 101 and the said second opposing side wall 102 at one end, forming an approximately a U-shape continuous side wall whose open end points toward an entry for receiving a subject in bed.
  • the transverse wall 104 which is deployed as a top wall or roof preferably joins the first opposing side wall 101 , the second opposing side wall 102 and the end wall 103 to form a cavity that receives the subject therein through the said entry.
  • the cavity defines an interior of an enclosed area of the said trapezoidal-shaped receptacle 100.
  • the transverse wall 104 extends from a periphery of the said end wall 103 along an angled periphery of both the said first opposing side wall 101 and the said second opposing side wall 102.
  • the first opposing side wall 101 and the second opposing side wall 102 comprise an identical shape and dimension.
  • the trapezoidal-shaped receptacle 100 also comprises another end wall opposing the said end wall 103.
  • the another end wall is preferably not a full-length wall, where it does not extend the full height of the said first opposing side wall 101 and the said second opposing side wall 102.
  • the another end wall extends from the said transverse wall 104, i.e. from the roof or ceiling, at least one-third the height of the said receptacle. The uncovered length therefore forms part of the said entry for receiving the subject.
  • the another end wall preferably extends from the transverse wall 104 and curves inwardly at its end.
  • the first opposing side wall 101 , the second opposing side wall 102, the end wall 103, the transverse wall 104 and the another end wall are substantially planar.
  • the first opposing side wall 101 , the second opposing side wall 102, the end wall 103, the transverse wall 104 and the another end wall are integrally molded as a single piece.
  • the trapezoidal-shaped receptacle 100 is transparent and of any suitable thickness.
  • suitable plastic materials for the trapezoidalshaped receptacle 100 include, but not limited to, acrylic polymers such as polyacrylates; polyalkylmethacrylates such as polymethylmethacrylates, polyethylmethacrylates, polypropylmethacrylates, stretched acrylic, and the like; polyurethanes; polycarbonates; polyalkylterephthalates such as polyethyleneterephthalate, polypropyleneterephthalates, polybutyleneterephthalates, and the like; polysiloxane-containing polymers; or copolymers of any monomers for preparing these, or any mixtures thereof.
  • the trapezoidal-shaped receptacle 100 may be a laminated window that can be fabricated by way of applying a suitable coating or film such as a curable acrylate resin to the first opposing side wall 101 , the said second opposing side wall 102, the end wall 103 and the another end wall.
  • a suitable coating or film such as a curable acrylate resin
  • the trapezoidalshaped receptacle 100 comprises a first operator access means 101a and a second operator access means 103a respectively formed on the said first opposing side wall 101 and the said end wall 103.
  • the operator access means 101a and the second operator access means 103a preferably allow an operator, i.e. the healthcare provider, to ascend and descend through an opening or a passageway of the said operator access means 101a and the said second operator access means 103a.
  • the first operator access means 101a and the second operator access means 103a preferably comprise a glove port.
  • the glove port may comprise any suitable structure capable of adequately supporting and maintaining a glove in position with respect to the passageway extending through the glove port and communicating with the interior of the enclosed area of the cavity.
  • the glove port may comprise a tubular member encircling the opening or passageway and extending in a lateral direction away from the first opposing side wall 101 and the said end wall 103 such as to form an annular glove mounting and retaining lip or rim.
  • the tubular member may be formed as an integral part of the first opposing side wall 101 and the said end wall 103 or be attached thereto by bolting or otherwise securing an annular flange of the tubular member to the first opposing side wall 101 and the said end wall 103.
  • the rim may be provided with a circumferentially extending notch or groove about the outer surface of the rim for receiving a glove retaining member such as a head of the glove or a band of elastic material.
  • the gloves used may be of any suitable material and of any desired length depending upon the particular use envisioned for the gloves.
  • the first operator access means 101a and the second operator access means 103a may further comprise an equipment port.
  • the medical equipment port may be of generally similar arrangement and function to support and maintain medical equipment in position with respect to another passageway that extends through the said medical equipment port.
  • medical equipment include, but not limited to, a stethoscope, otoscope, blood pressure cuff and other medical devices for use in the aerosolized or aerosol generating procedure.
  • the trapezoidal-shaped receptacle 100 includes a variety of arrangements of features, i.e. the first operator access means 101a, the hole opening 102a and the second operator access means 103a as well as the filtration member 200 mountable thereon.
  • Figures 7A-7F show an arrangement of the trapezoidal-shaped receptacle 100 with a hose connector attached thereto.
  • Figures 8A-8F show another arrangement of the trapezoidal-shaped receptacle 100 having the filtration member 200 removably mounted on the another end wall. This type of arrangement may include a stabilizer member to enhance stability against the mounted filtration member 200 thereof.
  • Figures 9A-9F show yet another arrangement of the trapezoidal-shaped receptacle 100.
  • the portable holding post 300 can be suitably deployed to these arrangements.
  • the filtration member 200 is preferably mountable to the second opposing side wall 102. It is preferred that the filtration member 200 comprises a high efficiency particular air (HEPA) filter and a suction fan.
  • the suction fan preferably draws a stream of air including an aerosol or aerosol particles from the interior of the said cavity through the said HEPA filter for removing particulate matters therefrom and out via an exhaust grate deployed thereto.
  • the HEPA filter preferably includes an air inlet and an outlet which connects to the exhaust grate thereof, and a filter media.
  • the filter media preferably traps particulate matters, i.e. air contaminants, by way of inertial impaction, diffusion, interception or sieving.
  • the HEPA filer is preferably employed to remove submicron size particles, at least 99.97% of 0.3-micron size particles, and odors from the said stream of air drawn thereof.
  • the suction fan is configured to pull the air through the HEPA filter.
  • the cleaned filtered air will be blown out into the environment through the said exhaust grate.
  • the HEPA filter of the present invention may be made of, for example, but not limited to, paper, glass fibers, polymer fibers, and the like.
  • the HEPA filter of the present invention can be of any shape, and may be planar, cylindrical, or tubular, for example, and may have any surface shape, such as a ridged shape, a grooved shape, or a smooth shape.
  • the HEPA filter and the suction fan are arranged and provided in a housing of the said filtration member 200.
  • the filtration member 200 further comprises an ultraviolet sterilizer configured for disinfecting and sterilizing microorganism in the said stream of air.
  • the ultraviolet sterilizer comprises an ultraviolet light source that emits a wavelength, or a range of wavelengths of an ultraviolet light that are germicidal or fungicidal in their effect.
  • the amount of irradiating time necessary in order to achieve the desired germicidal or fungicidal effect depends on a number of factors including the type of contaminant to be eliminated, the type of lamp being used, the amount of energy being supplied to the lamp, and the resultant wavelengths of light being emitted, and the proximity of the lamp to the contaminant. It is preferred that the ultraviolet light source is a lamp with a parabolic reflector disposed thereof.
  • the magnetic mounting member preferably comprises a first magnet element disposed at the filtration member 200 and a second magnet element disposed at a hole opening 102a formed on the said second opposing side wall 102.
  • the magnetic mounting member is configured for sealingly coupling the filtration member 200 to the said hole opening 102a.
  • the first magnet element is preferably disposed on the housing of the filtration member 200.
  • the second magnet element is preferably disposed adjacent the hole opening 102a. More preferably, the second magnet element extends along the perimeter of the hole opening 102a at a predetermined positioned. It is preferred that the first magnet element and the second magnet element comprise magnetic materials that strongly attract to each other. The first magnet element adsorbs onto the second magnet element, thereby connecting the filtration member 200 and the trapezoidal-shaped receptacle 100 together.
  • the containment barrier assembly of the present invention further comprises a silicone suction member for use in supporting the filtration member 200 on the trapezoidal-shaped receptacle 100 thereof.
  • the silicone suction member can be attached firmly on the surface of the filtration member 200 and the second opposing side wall 102 thereof.
  • the silicone suction member comprises a suction cup comprising a concave suction face and a convex exterior face as well as a support post.
  • the portable holding post 300 which stabilizes the trapezoidal-shaped receptacle 100 preferably comprises a structural support 301 and a modular base 302.
  • the modular base 302 is orthogonally connected to the said structural support 301.
  • the portable holding post 300 is configured for adjustably holding the filtration member 200 at variable heights relative to the said trapezoidal-shaped receptacle 100.
  • the modular base 302 comprises a supporting chassis with wheels enabling the said containment barrier assembly to be displaced on a floor surface.
  • the portable holding post 300 further comprises a fastening or coupling means.
  • the fastening means is preferably deployed at one end of the structural support 301 to releasably retain the said filtration member 200 to the said one end.
  • the fastening means incudes, but not limited to, a clasping member, a bolt and nut, a screw, a clamp, an adhesive, a snap-fit fastener, and a cable tie.
  • the containment barrier assembly of the present invention may further comprise a pressure control unit.
  • the pressure control unit can be configured for providing a negative pressure environment to the environment around the trapezoidal-shaped receptacle 100 to prevent any contamination from flowing out to the surrounding areas.
  • inventive subject matter has been described with reference to specific example embodiments, various modifications and changes may be made to these embodiments without departing from the broader scope of embodiments of the present disclosure.
  • inventive subject matter may be referred to herein, individually or collectively, by the term “invention” merely for convenience and without intending to voluntarily limit the scope of this application to any single disclosure or inventive concept if more than one is, in fact, disclosed.
  • the term “or” may be construed in either an inclusive or exclusive sense. Moreover, plural instances may be provided for resources, operations, or structures described herein as a single instance. Additionally, boundaries between various resources, operations, modules, engines, and data stores are somewhat arbitrary, and particular operations are illustrated in a context of specific illustrative configurations. Other allocations of functionality are envisioned and may fall within a scope of various embodiments of the present disclosure. In general, structures and functionality presented as separate resources in the example configurations may be implemented as a combined structure or resource. Similarly, structures and functionality presented as a single resource may be implemented as separate resources. These and other variations, modifications, additions, and improvements fall within a scope of embodiments of the present disclosure as represented by the appended claims. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.
  • first means “first,” “second,” and so forth may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first contact could be termed a second contact, and, similarly, a second contact could be termed a first contact, without departing from the scope of the present example embodiments. The first contact and the second contact are both contacts, but they are not the same contact.
  • the term “if” may be construed to mean “when” or “upon” or “in response to determining” or “in response to detecting,” depending on the context.
  • the phrase “if it is determined” or “if [a stated condition or event] is detected” may be construed to mean “upon determining” or “in response to determining” or “upon detecting [the stated condition or event]” or “in response to detecting [the stated condition or event],” depending on the context.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Pulmonology (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

La présente invention divulgue un ensemble barrière de confinement destiné à être utilisé dans une procédure de génération d'aérosol. L'ensemble comprend un réceptacle en forme de trapèze comprenant une première paroi latérale opposée, une seconde paroi latérale opposée, une paroi d'extrémité et une paroi transversale formant une cavité destinée à recevoir un sujet dans un lit ; un élément de filtration comprenant un filtre à air à particules haute efficacité, HEPA, et un ventilateur d'aspiration ; un élément de montage magnétique comprenant un premier élément magnétique disposé au niveau de l'élément de filtration et un second élément magnétique disposé au niveau de l'ouverture d'un trou formée sur ladite seconde paroi latérale opposée pour accoupler de manière étanche l'élément de filtration à ladite ouverture de trou ; et un montant de maintien portable comprenant un support structurel pour maintenir de manière réglable l'élément de filtration à des hauteurs variables par rapport audit réceptacle en forme de trapèze.
PCT/MY2021/050068 2020-08-19 2021-08-19 Ensemble barrière de confinement destiné à être utilisé dans une procédure de génération d'aérosol WO2022039590A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MYPI2020004291 2020-08-19
MYPI2020004291 2020-08-19

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Publication Number Publication Date
WO2022039590A1 true WO2022039590A1 (fr) 2022-02-24

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4876773A (en) * 1989-01-11 1989-10-31 Kin, Inc. Enclosed containment apparatus for postmortem settings
EP2168546A1 (fr) * 2008-09-29 2010-03-31 Epitech Group S.r.l. Hotte à flux laminaire pour une utilisation en podologie
KR20200089606A (ko) * 2017-03-16 2020-07-27 케어 스트레티직 디 아이 알 홀딩스 피티와이 리미티드 격리 텐트
CN111467067A (zh) * 2020-04-24 2020-07-31 日进教学器材(昆山)有限公司 口腔治疗防气溶胶密闭隔离箱

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4876773A (en) * 1989-01-11 1989-10-31 Kin, Inc. Enclosed containment apparatus for postmortem settings
EP2168546A1 (fr) * 2008-09-29 2010-03-31 Epitech Group S.r.l. Hotte à flux laminaire pour une utilisation en podologie
KR20200089606A (ko) * 2017-03-16 2020-07-27 케어 스트레티직 디 아이 알 홀딩스 피티와이 리미티드 격리 텐트
CN111467067A (zh) * 2020-04-24 2020-07-31 日进教学器材(昆山)有限公司 口腔治疗防气溶胶密闭隔离箱

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Portable Droplet and Aerosol Reducing Tent (DART) lessens COVID-19 risk", BIOSPECTRUM ASIA NEWS, pages 1 - 2, XP009534354, Retrieved from the Internet <URL:https://www.biospectrumasia.com/news/91/16186/portable-droplet-and-aerosol-reducing-tent-dart-lessens-covid-19-risk.html> [retrieved on 20220321] *
PHU HAI-THIEN, PARK YENSIL, ANDREWS AUSTIN J., MARABELLA IAN, ABRAHAM ASISH, MIMMACK REID, OLSON BERNARD A., CHAIKA JONATHAN, FLOE: "Design and evaluation of a portable negative pressure hood with HEPA filtration to protect health care workers treating patients with transmissible respiratory infections", AJIC: AMERICAN JOURNAL OF INFECTION CONTROL, vol. 48, no. 10, 1 October 2020 (2020-10-01), AMSTERDAM, NL , pages 1237 - 1243, XP055901506, ISSN: 0196-6553, DOI: 10.1016/j.ajic.2020.06.203 *

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