Medical air treatment device

• US 10,702,435 B2
• Filed: 11/15/2017
• Issued: 07/07/2020
• Est. Priority Date: 11/16/2016
• Status: Active Grant

• Current Assignee: Aerobiotix LLC
• Original Assignee: Thunderhill Investments, LLC
• Inventors: Kirschman, David Louis
• Primary Examiner(s): Pham, Minh Chau T
• Application Number:
  US15/813,548
• Publication Number:
  US 20180133084A1
• Time in Patent Office: 965 Days
• Field of Search: 553852, 553851, 55356, 55359, 55471, 55472, 55486, 55503, 96417, 96418, 96223, 96224, 454187, 604 35, 604 45, 604264, 95273, 95286
• CPC Class Codes: A61C 19/00 Dental auxiliary appliances dental chairs or accessories therefor, working stands whether or not combined with chairs A61G15/00
• CPC Class Codes: A61G 13/108 Means providing sterile air at a surgical operation table or area treatment rooms A61G10/00; instruments or implements for sterile operation A61B90/00; sterilisation of air A61L9/00; purification of air in air-conditioning systems F24F3/16, F24F8/00
• CPC Class Codes: A61L 2209/11 Apparatus for controlling air treatment
• CPC Class Codes: A61L 2209/12 Lighting means
• CPC Class Codes: A61L 2209/134 Distributing means, e.g. baffles, valves, manifolds, nozzles
• CPC Class Codes: A61L 2209/14 Filtering means
• CPC Class Codes: A61L 2209/16 Connections to a HVAC unit
• CPC Class Codes: A61L 2209/21 Use of chemical compounds for treating air or the like
• CPC Class Codes: A61L 9/015 using gaseous or vaporous substances, e.g. ozone A61L9/20 takes precedence ; evaporation in general B01B1/005
• CPC Class Codes: A61L 9/18 Radiation A61L9/22 takes precedence
• CPC Class Codes: A61L 9/20 Ultraviolet radiation
• CPC Class Codes: A61M 1/784 by filtering, sterilising or disinfecting the exhaust air, e.g. swellable filter valves
• CPC Class Codes: A61M 2205/07 having air pumping means
• CPC Class Codes: A61M 2205/7518 bacterial
• CPC Class Codes: B01D 2279/40 for cleaning of environmental air, e.g. by filters installed on vehicles or on streets
• CPC Class Codes: B01D 46/00 Filters or filtering processes specially modified for separating dispersed particles from gases or vapours filtering elements B01D24/00-B01D35/00; filtering material B01D39/00; their regeneration outside the filters B01D41/00
• CPC Class Codes: B01D 46/0028 provided with antibacterial or antifungal means
• CPC Class Codes: B01D 46/0041 for feeding
• CPC Class Codes: F24F 3/00 Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems room units F24F1/00
• CPC Class Codes: F24F 8/22 using UV light
• CPC Class Codes: F24F 8/24 : using sterilising media

Abstract

An air treatment device having a flexible air hose, duct or gooseneck member. The air hose, duct or gooseneck member permits an inlet end thereof to be positioned in proximity to a patient so that a negative pressure can be created around the patient so that air can sucked or vacuumed into the system whereupon it is treated as the air flows through the system.

Claims

1. An air treatment system for use during a surgical procedure in a room, said air treatment system comprising:

a housing having an inlet and an outlet;

an air treatment device located in said housing for irradiating or treating an airflow before it exits said outlet;

wherein said air treatment device further comprises at least one filter or at least one of a chemical irradiator or a biocidal remover located in said housing for reducing or eliminating unwanted pathogens in said airflow, said air treatment device located in said housing filters and irradiates or treats said airflow after it enters said inlet and before it exits said outlet;

an air hose or duct adapted to be mounted to said housing in communication with said inlet, said air hose or duct having an inlet end for situating in proximity to a patient situated in said room and a nozzle associated with said inlet; and

an airflow generator for mounting in said housing for generating an air stream between said inlet and said outlet and for creating a negative pressure or vacuum in said air hose or duct so that when said nozzle is placed near said patient, the air near said patient is captured and treated by said air treatment device which filter, irradiates or treats the air to reduce or eliminate unwanted pathogens, germs, bacteria, virus and fungi;

wherein said nozzle has a nozzle filter associated therewith for filtering air passing into said inlet to provide an initial filtration of said air, said initial filtration treating said air before it is filtered or treated by said air treatment device and before it exits said outlet so that said air entering said inlet is filtered, irradiated and/or treated a plurality of times before exiting said outlet;

said airflow generator generating an airflow through said air hose or duct to create a negative pressure around said patient during said surgical procedure;

said nozzle filter filtering air that enters into said nozzle and said at least one filter or said at least one chemical irradiator or biocidal remover irradiating or treating, respectively, said airflow as it passes through said housing to reduce or eliminate bacteria and unwanted pathogens in said air stream in order to reduce said patient'"'"'s risk of acquiring an infection and reduce airborne pathogens, bacteria, viruses and fungi in said air stream;

wherein said air treatment system comprises at least one airflow interrupter in a path of said airflow for reducing at least one of an air velocity of said air stream or a linearity of a flow of said air stream to increase a time which said air stream is subjected to said at least one of said chemical irradiator or said biocidal remover before said airflow leaves said housing.

2. The air treatment system as recited in claim 1 wherein said inlet end comprises a removable nozzle that can be moved or adjusted to a predetermined position by a user.

3. The air treatment system as recited in claim 2 wherein said nozzle has a nozzle end having a nozzle inlet area that is greater than a cross sectional area of said air hose or duct where said nozzle is coupled to said air hose or duct.

4. The air treatment system as recited in claim 1 wherein said air hose or duct has at least a portion that is at least one of flexible, pivotable or rotatable.

5. The air treatment system as recited in claim 2 wherein said nozzle is removable or detachable from said air hose or duct and comprises a filter element.

6. The air treatment system as recited in claim 1 wherein air treatment device comprises a chemical or irradiator for inactivating airborne microbes within said air stream as said air stream flows between said inlet and said outlet.

7. The air treatment system as recited in claim 1 wherein said air treatment system is portable.

8. The air treatment system as recited in claim 1 wherein said air treatment system comprises a plurality of airflow interrupters, said plurality of airflow interrupters comprising a plurality of discrete, randomly oriented and radiation-transmitting objects.

9. The air treatment system as recited in claim 1 wherein said outlet is at least one of adapted to be fitted to a duct in said room or to re-introduce treated air into a surrounding space in said room.

10. The air treatment system as recited in claim 1 wherein said air treatment system is adapted for use in a room that is not an operating room.

11. The air treatment system as recited in claim 1 wherein said airflow generator comprises a centrifugal blower.

12. The air treatment system as recited in claim 1 wherein said air hose or duct is extendable.

13. The air treatment system as recited in claim 1 wherein said air hose or duct is elongated and semi-rigid with a plurality of areas for permitting a position of said inlet end to be situated in proximity to the patient.

14. The air treatment system as recited in claim 1 wherein said air hose or duct is an articulating and flexible gooseneck member.

15. A mobile air treatment device for use with a patient undergoing a procedure, said mobile air treatment device comprising:

a cabinet having an inlet and an outlet that comprises wheels and is portable;

a nozzle that is adapted to be positioned in proximity to the patient;

a vacuum generator for creating negative pressure at said nozzle; and

said mobile air treatment device being located in said cabinet for irradiating or treating an airflow before it exits said cabinet;

wherein when said nozzle is placed in proximity to said patient, the air near said patient is captured and treated by said mobile air treatment device which filters, irradiates or treats the air to reduce or eliminate unwanted pathogens, germs, bacteria, virus and fungi;

wherein said mobile air treatment device further comprises at least one filter at least one of a chemical irradiator or a biocidal remover located in said cabinet for reducing or eliminating unwanted pathogens in said airflow, said mobile air treatment device located in said cabinet filters and irradiates or treats said airflow after it enters said inlet and before it exits said outlet;

wherein said nozzle has a nozzle filter associated therewith for filtering air passing into said inlet to provide an initial filtration of said air, said initial filtration treating said air before it is filtered or treated by said mobile air treatment device and before it exits said outlet so that said air entering said inlet is filtered, irradiated and/or treated a plurality of times before exiting said outlet;

said nozzle filter filtering air that enters into said nozzle and said at least one filter or said at least one chemical irradiator or biocidal remover irradiating or treating, respectively, said airflow as it passes through said cabinet to reduce or eliminate bacteria and unwanted pathogens in an air stream in order to reduce said patient'"'"'s risk of acquiring an infection and reduce airborne pathogens, bacteria, viruses and fungi in said air stream;

wherein said mobile air treatment device comprises at least one airflow interrupter in a path of said airflow for reducing at least one of an air velocity of said air stream or a linearity of a flow of said air stream to increase a time which said air stream is subjected to said at least one of said chemical irradiator or said biocidal remover.

16. The mobile air treatment device as recited in claim 15 wherein said cabinet comprises an adjustable duct arm having said nozzle removably mounted thereon and coupling said nozzle to said cabinet, said adjustable duct arm being moveable by a user when positioning said nozzle in proximity to the patient.

17. The mobile air treatment device as recited in claim 16 wherein said cabinet comprises a flexible or semi-rigid hose or duct having an inlet end coupled to said nozzle and an outlet end coupled to said cabinet, said flexible or semi-rigid hose or duct being moveable or adjustable to a predetermined position by a user.

18. The mobile air treatment device as recited in claim 16 wherein said nozzle has a nozzle end having a nozzle inlet area that is greater than a cross sectional area of said adjustable duct arm where said nozzle is coupled to said adjustable duct arm.

19. The mobile air treatment device as recited in claim 16 wherein said adjustable duct arm has at least a portion that is flexible or pivotable.

20. The mobile air treatment device as recited in claim 17 wherein said nozzle is removable or detachable from said adjustable duct arm and comprises a filter element.

21. The mobile air treatment device as recited in claim 15 wherein said mobile air treatment device comprises a chemical or irradiator for inactivating airborne microbes within said airflow as said airflow flows between an inlet and an outlet.

22. The mobile air treatment device as recited in claim 15 wherein said mobile air treatment device comprises at least one airflow interrupter for interrupting said airflow to facilitate said at least one of said chemical or irradiating biocidal remover, said at least one airflow interrupter reducing at least one of an air velocity of said airflow or a linearity of a flow of said airflow.

23. The mobile air treatment device as recited in claim 22 wherein said mobile air treatment device comprises a plurality of airflow interrupters, said plurality of airflow interrupters comprising a plurality of discrete, randomly oriented and radiation-transmitting objects.

24. The mobile air treatment device as recited in claim 15 wherein said cabinet comprises an outlet that is at least one of adapted to be fitted to a duct in a room where the patient is located or to re-introduce treated air into a surrounding space in said room.

25. The mobile air treatment device as recited in claim 15 in combination with a room that is primarily a patient room and not a surgical operating room.

26. The mobile air treatment device as recited in claim 15 wherein said cabinet comprises an airflow generator for creating said negative pressure.

27. The mobile air treatment device as recited in claim 16 wherein said adjustable duct arm is extendable.

28. The mobile air treatment device as recited in claim 16 wherein said adjustable duct arm is elongated and semi-rigid with a plurality of areas for permitting a position of an inlet end to be situated in proximity to the patient.

29. The mobile air treatment device as recited in claim 16 wherein said adjustable duct arm is an articulating and flexible gooseneck member.

30. An air treatment device which comprises:

a flexible air hose with an open nozzle at one end comprising an air inlet;

a nozzle associated with said air inlet;

a vacuum generator which generates negative pressure within said air hose;

at least one filter for filtering an air stream emerging from said air hose;

at least one of a chemical irradiator or a biocidal remover for chemical or radiation based inactivation of airborne microbes within said air stream; and

at least one of an air outlet adapted for re-entry of treated air into a surrounding space and/or an air outlet adapted for mounting an air duct;

wherein said air treatment device further comprises said at least one filter or said at least one of a chemical irradiator or a biocidal remover for reducing or eliminating unwanted pathogens in said air stream, said air treatment device filtering and irradiating or treating said air stream after it enters said air inlet and before it exits said air outlet;

wherein when said nozzle is placed in proximity to a patient, the air near said patient is captured and treated by said air treatment device which filters, irradiates or treats said air stream to reduce or eliminate unwanted pathogens, germs, bacteria, virus and fungi;

wherein said nozzle has a nozzle filter associated therewith for filtering air passing into said air inlet to provide an initial filtration of said air, said initial filtration treating said air before it is filtered or treated by said air treatment device and before it exits said air outlet so that said air entering said air inlet is filtered, irradiated and/or treated a plurality of times before exiting said air outlet;

said nozzle filter filtering air that enters into said nozzle and said at least one filter or said at least one of chemical irradiator or biocidal remover irradiating or treating, respectively, said air stream to reduce or eliminate bacteria and unwanted pathogens in said air stream in order to reduce said patient'"'"'s risk of acquiring an infection and reduce airborne pathogens, bacteria, viruses and fungi in said air stream;

wherein said air treatment device comprises at least one airflow interrupter in a path of said air stream for reducing at least one of an air velocity of said air stream or a linearity of a flow of said air stream to increase a time which said air stream is subjected to said at least one of said chemical irradiator or said biocidal remover.

31. A mobile cabinet comprising:

a mounting for an air hose;

a vacuum generator for creating negative pressure in said air hose;

an irradiation chamber;

an air inlet;

an air outlet;

an air treatment device wherein a nozzle is removable and disposable, said nozzle being of a larger external diameter than said air hose;

wherein said nozzle contains an air filtration element;

wherein said air hose is semi-rigid and can be re-positioned;

wherein said vacuum generator is a centrifugal blower;

wherein said irradiation chamber comprises at least one airflow interrupter for reducing air velocity and linearity;

wherein said irradiation chamber comprises a multitude of discrete, randomly oriented, radiation-transmitting objects;

wherein said air treatment device further comprises at least one filter or at least one of a chemical irradiator or a biocidal remover for reducing or eliminating unwanted pathogens in an air stream, said air treatment device filtering and irradiating or treating said air stream after it enters said air inlet and before it exits said air outlet;

wherein when said nozzle is placed in proximity to a patient, the air near said patient is captured and treated by said air treatment device which filters, irradiates or treats said air stream to reduce or eliminate unwanted pathogens, germs, bacteria, virus and fungi;

wherein said nozzle has a nozzle filter associated therewith for filtering air passing into said air inlet to provide an initial filtration of said air, said initial filtration treating said air before it is filtered, irradiated or treated by said air treatment device and before it exits said air outlet so that said air entering said air inlet is filtered and/or treated a plurality of times before exiting said air outlet;

said nozzle filter filtering air that enters into said nozzle and said at least one filter or said at least one chemical irradiator or biocidal remover irradiating or treating, respectively, said air stream to reduce or eliminate bacteria and unwanted pathogens in said air stream in order to reduce said patient'"'"'s risk of acquiring an infection and reduce airborne pathogens, bacteria, viruses and fungi in said air stream;

wherein said air treatment device comprises at least one airflow interrupter in a path of said air steam for reducing at least one of an air velocity of said air stream or a linearity of a flow of said air stream to increase a time which said air stream is subjected to said at least one of said chemical irradiator or said biocidal remover.

32. A method utilizing an air treatment device for treating air around a patient comprising:

placing a nozzle in proximity to a patient, said nozzle connected to an air hose;

generating a vacuum in said air hose, creating a localized negative air pressure in the proximity of said nozzle;

drawing contaminants arising from the patient and in patient proximity into said nozzle;

treating said contaminants by at least one filter;

treating said contaminants further by at least one of a chemical irradiator or a biocidal remover;

venting of treated air into a room or into a duct

wherein said air treatment device further comprises said at least one filter or said at least one of a chemical irradiator or a biocidal remover for reducing or eliminating unwanted pathogens in an air stream, said air treatment device filtering and irradiating or treating said air stream after it enters an air inlet and before it exits an air outlet;

wherein when said nozzle is placed in proximity to a patient, the air near said patient is captured and treated by said air treatment device which filters, irradiates or treats said air stream to reduce or eliminate unwanted pathogens, germs, bacteria, virus and fungi;

wherein said nozzle has a nozzle filter associated therewith for filtering air passing into said air inlet to provide an initial filtration of said air, said initial filtration treating said air before it is filtered, irradiated or treated by said air treatment device and before it exits said air outlet so that said air entering said air inlet is filtered and/or treated a plurality of times before exiting said air outlet;

said nozzle filter filtering air that enters into said nozzle and at least one chemical irradiator or biocidal remover irradiating or treating, respectively, said air stream to reduce or eliminate bacteria and unwanted pathogens in said air stream in order to reduce said patient'"'"'s risk of acquiring an infection and reduce airborne pathogens, bacteria, viruses and fungi in said air stream,

wherein said air treatment device comprises at least one airflow interrupter in a path of said air stream for reducing at least one of an air velocity of said air stream or a linearity of a flow of said air stream to increase a time which said air stream is subjected to said at least one of said chemical irradiator or said biocidal remover.