CN111265943A - Preposed iatrogenic smoke filter - Google Patents

Preposed iatrogenic smoke filter Download PDF

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Publication number
CN111265943A
CN111265943A CN202010202452.3A CN202010202452A CN111265943A CN 111265943 A CN111265943 A CN 111265943A CN 202010202452 A CN202010202452 A CN 202010202452A CN 111265943 A CN111265943 A CN 111265943A
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CN
China
Prior art keywords
iatrogenic
filter
smoke
air
preposed
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Pending
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CN202010202452.3A
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Chinese (zh)
Inventor
吴瑾
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Individual
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Individual
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Priority to CN202010202452.3A priority Critical patent/CN111265943A/en
Publication of CN111265943A publication Critical patent/CN111265943A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • 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
    • A61L9/205—Ultraviolet radiation using a photocatalyst or photosensitiser
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702—Hydrocarbons
    • B01D2257/7027—Aromatic hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • B01D2259/804—UV light

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses a preposed iatrogenic smoke filter, which comprises a preposed suction pipe, a filtering chamber and an air guide pipe which are connected in sequence, wherein the other end of the air guide pipe is connected with an air suction fan; the air inlet end of the front suction pipe is fixed on a cutter head handle of the high-frequency electric knife through a pipe clamp; the filter chamber is internally provided with a filter inner core extending along the airflow direction, and the filter inner core comprises a mounting frame, and a filter unit and a sterilization unit which are coaxially arranged in the mounting frame along the airflow direction. The air inlet end of the preposed suction pipe is fixed on the cutter head handle of the high-frequency electrotome through the pipe clamp, and iatrogenic smoke is sucked at the nearest distance, so that the iatrogenic smoke is sucked to the maximum extent, and the diffusion of the iatrogenic smoke is reduced; the filtering unit can adsorb and filter carcinogenic particulate matters and tar in the iatrogenic smoke dust, and the sterilizing unit can kill viruses and bacteria in the iatrogenic smoke dust, so that the filtering and purifying effect on the iatrogenic smoke dust is achieved, the harm of the iatrogenic smoke dust to a human body is effectively reduced, and the safety and the sanitation of air in an operating room are ensured.

Description

Preposed iatrogenic smoke filter
Technical Field
The invention relates to the technical field of smoke dust filtration, in particular to a preposed iatrogenic smoke dust filter.
Background
When doctors perform surgical operations with high-frequency electric knives, a large amount of iatrogenic smoke is generated, which contains various toxic and harmful components, such as tar, benzene, bacteria, viruses, and the like. The existing operation smoke exhausting system can only perform a simple smoke exhausting function, smoke dust is transferred from an operation position, so that the operation visual field can be fully exposed during operation, the capacity of filtering and killing viruses is not available, and the harm of iatrogenic smoke dust still exists in an operation room and the environment, so that the system has a lot of harm to human health. The iatrogenic smoke contains various carcinogenic factors, viruses and the like, and the existing mask and the like can only play a certain role in preventing, have poor effects and cannot avoid the harm of smoke pollution in the environment. Moreover, the existing smoke exhaust equipment is far away from the operation position, and the smoke exhaust effect is poor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a preposed iatrogenic smoke filter which is used for filtering and disinfecting iatrogenic smoke generated in an operation.
The invention solves the technical problems by the following technical means:
a preposed iatrogenic smoke filter comprises a preposed suction pipe, a filtering chamber and an air guide pipe which are connected in sequence, wherein the other end of the air guide pipe is connected with an air suction fan;
the air inlet end of the front suction pipe is fixed on a cutter head handle of the high-frequency electric knife through a pipe clamp;
the filter chamber is indoor to be provided with along the filtration inner core of airflow direction extension, filter the inner core and include the mounting bracket and follow the coaxial setting of airflow direction is in inside filter unit and the unit of disinfecting of mounting bracket.
Furthermore, the filtering unit comprises first activated carbon cotton, an air filter paper layer and second activated carbon cotton which are sequentially arranged.
Further, the sterilization unit comprises photosensitizer filter cotton and an ultraviolet lamp, and the photosensitizer filter cotton and the second activated carbon cotton are arranged at intervals; the ultraviolet lamp is fixed on the inner wall of the filter chamber and is arranged close to the photosensitizer filter cotton.
Furthermore, the filtering chamber is cylindrical, one end of the filtering chamber is arranged in an open manner, and an end cover is arranged on the open end in a sealing manner; the mounting bracket is of a cylindrical frame structure and is concentrically arranged with the filtering cavity, the mounting bracket comprises a plurality of concentric limiting rings arranged at intervals and a connecting rod used for connecting the limiting rings, and the first activated carbon cotton, the air filter paper layer, the second activated carbon cotton and the photosensitizer filter cotton are all arranged between the two corresponding limiting rings.
Further, an installation groove is formed in the inner wall of the filter chamber, and the ultraviolet lamp is installed in the installation groove.
Further, the filtration chamber is non-transparent.
Further, the diameter size of the preposed suction pipe is 4 mm.
Furthermore, an end cap for preventing liquid from being sucked is integrally arranged on the air inlet end of the preposed suction pipe, the end cap is in a spherical crown shape, and air inlet holes are uniformly distributed in the end cap.
Furthermore, the two ends of the filtering cavity are respectively provided with a connecting pipe, and the front suction pipe and the air guide pipe are respectively sleeved on the corresponding connecting pipes.
Further, the pipe clamp comprises a first clamping ring used for being connected with a front suction pipe and a second clamping ring used for being connected with a cutter head handle of the high-frequency electric knife, and the first clamping ring and the second clamping ring are both C-shaped.
The invention has the beneficial effects that:
the air inlet end of the preposed suction pipe is fixed on the cutter head handle of the high-frequency electrotome through the pipe clamp, and the iatrogenic smoke is sucked at the nearest distance, so that the smoke is sucked to the maximum extent, the diffusion of the iatrogenic smoke is reduced, the operation vision of a doctor is clearer, and the doctor can perform an operation conveniently;
the filtering inner core in the filtering cavity comprises a filtering unit and a sterilizing unit, the filtering unit can adsorb and filter carcinogenic particulate matters and tar in the iatrogenic smoke dust, and the sterilizing unit can kill viruses and bacteria in the iatrogenic smoke dust, so that the filtering and purifying effect on the iatrogenic smoke dust is achieved, the harm of the iatrogenic smoke dust to a human body is effectively reduced, and the safety and the sanitation of air in an operating room are ensured.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram of a preposed iatrogenic soot filter according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a filter chamber of a pre-medical soot filter according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a filter chamber of a pre-medical soot filter according to an embodiment of the present invention;
FIG. 4 is a schematic view of an installation structure of a front suction tube of a front iatrogenic smoke filter on a high-frequency electrotome according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a filter core of a pre-hospital smoke filter according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a mounting bracket of a filter core of a front-mounted iatrogenic soot filter according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of an end cap of a pre-iatrogenic soot filter according to an embodiment of the present invention;
in the attached drawings, a preposed suction pipe 1, a filtering chamber 2, an air guide pipe 3, a pipe clamp 4, a high-frequency electrotome 5, a mounting rack 7, first activated carbon cotton 8, an air filter paper layer 9, second activated carbon cotton 10, photosensitizer filter cotton 11, an ultraviolet lamp 12, an end cover 13, a limiting ring 14, a connecting rod 15, an end cap 16, an air inlet 17 and a connecting pipe 18.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
As shown in fig. 1-7, the prepositive iatrogenic smoke filter provided by this embodiment includes a prepositive suction pipe 1, a filtering chamber 2 and an air duct 3 connected in sequence, the other end of the air duct 3 is connected with an air suction fan, the air suction fan sucks iatrogenic smoke gas generated by cutting human tissue by a high-frequency scalpel during surgery into the filtering chamber 2 through the prepositive suction pipe 1, the iatrogenic smoke gas is filtered by the filtering chamber 2 and then discharged from an air outlet of the air suction fan through the air duct 3, and the prepositive suction pipe 1 and the air duct 3 are both rubber hoses. The air inlet end of the front suction tube 1 is fixed on a cutter head handle of the high-frequency electrotome 5 through the tube clamp 4, iatrogenic smoke is sucked at the nearest distance, the smoke is sucked to the maximum degree, the diffusion of the iatrogenic smoke is reduced, and the operation vision of a doctor is clearer. The filtering inner core extending along the airflow direction is arranged in the filtering cavity 2 and comprises a mounting frame 7, and a filtering unit and a sterilizing unit which are coaxially arranged in the mounting frame 7 along the airflow direction.
Specifically, the filter unit comprises a first activated carbon cotton 8, an air filter paper layer 9 and a second activated carbon cotton 10 which are arranged in sequence. The first activated carbon cotton 8 and the second activated carbon cotton 10 are mainly used for adsorbing and filtering tar and large particulate matters in the iatrogenic smoke, and the air filter paper layer 9 is used for filtering small particulate matters such as PM2.5 in the iatrogenic smoke.
The sterilization unit comprises photosensitizer filter cotton 11 and an ultraviolet lamp 12, and the photosensitizer filter cotton 11 and the second activated carbon cotton 10 are arranged at intervals; the ultraviolet lamp 12 is fixed on the inner wall of the filtering chamber 2 and is arranged close to the photosensitizer filter cotton 11. The inner wall of the filtering chamber 2 is provided with a mounting groove, and the ultraviolet lamp 12 is arranged in the mounting groove. The photosensitizer filter cotton 11 is a photocatalyst, the photosensitizer filter cotton 11 contains a photosensitizer, and the photosensitizer generates active oxygen under the irradiation of the ultraviolet lamp 12, so that the cell structure can be damaged, most of bacteria and viruses in smoke dust can be killed, and toxic substances such as benzene in the smoke dust can be decomposed. In this embodiment, the ultraviolet lamp 12 emits ultraviolet light having a wavelength ranging from 220nm to 300nm, preferably 280 nm. The interval sets up between photosensitizer filter pulp 11 and the second active carbon cotton 10, increases the irradiation area on photosensitizer filter pulp 11 surface, strengthens the disinfection effect of disinfecting.
Specifically, filter chamber 2 is cylindricly, and the uncovered setting in one end is served to uncovered sealed end cover 13 that is provided with, and end cover 13 and filter chamber 2 threaded connection conveniently change after unscrewing and filter the inner core. The mounting frame 7 is a cylindrical frame structure and is arranged concentrically with the filtering chamber 2, and the diameter of the mounting frame is the same as the inner diameter of the filtering chamber 2. Mounting bracket 7 includes the multi-disc is concentric, spacing ring 14 that the interval set up and be used for connecting spacing ring 14's connecting rod 15, and first active carbon cotton 8, air filter paper layer 9, second active carbon cotton 10 and photosensitizer filter cotton 11 are all installed between two spacing rings 14 that correspond, and the convenience is changed convenient and fast according to in service behavior to first active carbon cotton 8, air filter paper layer 9, second active carbon cotton 10 or photosensitizer filter cotton 11 alone. In order to reduce the ultraviolet light pollution, the filtering chamber 2 is made of non-transparent hard plastic.
Specifically, the diameter of the front suction tube 1 is 4mm, and the diameter is very small, so that the operation of a doctor on the high-frequency electric knife 5 and the visual field of the doctor cannot be influenced after the front suction tube is arranged on a knife head handle of the high-frequency electric knife 5. An end cap 16 for preventing liquid from being sucked is integrally arranged on the air inlet end of the preposed suction pipe 1, the end cap 16 is in a spherical crown shape, and air inlet holes 17 are uniformly distributed on the end cap 16. Through the isolation effect of the end cap 16, the liquid such as blood, tissue fluid and the like when the high-frequency electric knife 5 cuts is prevented from being sucked into the front suction pipe 1 to cause the blockage of the front suction pipe 1, and the influence on the suction effect of smoke dust is prevented.
Specifically, the two ends of the filtering chamber 2 are both provided with connecting pipes 18, and the front suction pipe 1 and the air duct 3 are respectively sleeved on the corresponding connecting pipes 18. Leading straw 1 and air duct 3 all can be dismantled with filtering chamber 2 and be connected, separately carry out cleaning and disinfecting after convenient the dismantlement.
Specifically, the pipe clamp 4 comprises a first clamping ring used for connecting the front suction pipe 1 and a second clamping ring used for connecting a tool bit handle of the high-frequency electric knife 5, and the first clamping ring and the second clamping ring are both C-shaped. The tool bit handle of the high-frequency electrotome 5 is clamped in the second clamping ring and is fixed in the first clamping ring, and the front suction pipe 1 is clamped in the first clamping ring, so that the assembly and disassembly are more convenient.
In conclusion, the air inlet end of the preposed suction pipe is fixed on the cutter head handle of the high-frequency electric knife through the pipe clamp, and the iatrogenic smoke is sucked at the nearest distance, so that the iatrogenic smoke is sucked to the maximum extent, the diffusion of the iatrogenic smoke is reduced, the operation vision of a doctor is clearer, and the doctor can perform an operation conveniently;
the filtering inner core in the filtering cavity comprises a filtering unit and a sterilizing unit, the filtering unit can adsorb and filter carcinogenic particulate matters and tar in the iatrogenic smoke dust, and the sterilizing unit can kill viruses and bacteria in the iatrogenic smoke dust, so that the filtering and purifying effect on the iatrogenic smoke dust is achieved, the harm of the iatrogenic smoke dust to a human body is effectively reduced, and the safety and the sanitation of air in an operating room are ensured.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims (10)

1. A preposed iatrogenic smoke filter is characterized in that: the device comprises a preposed suction pipe (1), a filtering chamber (2) and an air duct (3) which are connected in sequence, wherein the other end of the air duct (3) is connected with an air suction fan;
the air inlet end of the preposed suction pipe (1) is fixed on a cutter head handle of the high-frequency electric knife (5) through a pipe clamp (4);
the filter chamber (2) is internally provided with a filter inner core extending along the airflow direction, and the filter inner core comprises a mounting rack (7) and a filter unit and a sterilization unit which are coaxially arranged along the airflow direction in the mounting rack (7).
2. The pre-iatrogenic soot filter of claim 1, wherein: the filter unit comprises first activated carbon cotton (8), an air filter paper layer (9) and second activated carbon cotton (10) which are arranged in sequence.
3. The pre-iatrogenic soot filter of claim 2, wherein: the sterilization unit comprises photosensitizer filter cotton (11) and an ultraviolet lamp (12), and the photosensitizer filter cotton (11) and the second activated carbon cotton (10) are arranged at intervals; the ultraviolet lamp (12) is fixed on the inner wall of the filtering chamber (2) and is arranged close to the photosensitizer filter cotton (11).
4. The pre-iatrogenic soot filter of claim 3, wherein: the filtering chamber (2) is cylindrical, one end of the filtering chamber is open, and an end cover (13) is arranged on the open end in a sealing manner; the mounting rack (7) is of a cylindrical frame structure, is concentrically arranged with the filtering chamber (2), and comprises a plurality of concentric limiting rings (14) arranged at intervals and a connecting rod (15) used for connecting the limiting rings (14), wherein the first activated carbon cotton (8), the air filter paper layer (9), the second activated carbon cotton (10) and the photosensitizer filter cotton (11) are all arranged between the two corresponding limiting rings (14).
5. The pre-iatrogenic soot filter of claim 3, wherein: the inner wall of the filtering chamber (2) is provided with an installation groove, and the ultraviolet lamp (12) is installed in the installation groove.
6. The pre-iatrogenic soot filter of claim 3, wherein: the filtration chamber (2) is non-transparent.
7. The pre-iatrogenic soot filter of claim 1, wherein: the diameter of the preposed suction pipe (1) is 4 mm.
8. The pre-iatrogenic soot filter of claim 1, wherein: an end cap (16) for preventing liquid from being sucked is integrally arranged on the air inlet end of the front suction pipe (1), the end cap (16) is in a spherical crown shape, and air inlet holes (17) are uniformly distributed in the end cap (16).
9. The pre-iatrogenic soot filter of claim 1, wherein: the two ends of the filtering chamber (2) are provided with connecting pipes (18), and the front suction pipe (1) and the air guide pipe (3) are respectively sleeved on the corresponding connecting pipes (18).
10. The pre-iatrogenic soot filter of claim 1, wherein: the pipe clamp (4) comprises a first clamping ring used for connecting the front suction pipe (1) and a second clamping ring used for connecting a tool bit handle of the high-frequency electric knife (5), and the first clamping ring and the second clamping ring are both C-shaped.
CN202010202452.3A 2020-03-20 2020-03-20 Preposed iatrogenic smoke filter Pending CN111265943A (en)

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CN202010202452.3A CN111265943A (en) 2020-03-20 2020-03-20 Preposed iatrogenic smoke filter

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Application Number Priority Date Filing Date Title
CN202010202452.3A CN111265943A (en) 2020-03-20 2020-03-20 Preposed iatrogenic smoke filter

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991001692A1 (en) * 1989-08-10 1991-02-21 Einar Egnell Ab Device for use in the discharge of fumes from an operating site
CN2825141Y (en) * 2005-09-12 2006-10-11 北京光电技术研究所 Smoke removing devices for medical use
KR20150012647A (en) * 2013-07-26 2015-02-04 주식회사 앤트테크놀로지 Smoke inhalation for medical device
CN104406234A (en) * 2014-09-26 2015-03-11 苏州博菡环保科技有限公司 Air purifier with alarm function
CN105396384A (en) * 2015-12-17 2016-03-16 重庆福悦安科技有限公司 Easily-mounted/dismounted automobile air conditioner filter
US20170281255A1 (en) * 2016-03-30 2017-10-05 Surgiquest, Inc. Smoke evacuation system for invasive surgical procedures
CN208017579U (en) * 2017-10-11 2018-10-30 乐品乐道（诸暨）工业设计有限公司 A kind of electric knife smoke collector
CN208176586U (en) * 2017-09-13 2018-12-04 邰宝龙 A kind of multifunctional high frequency electrosurgical
EP3409386A1 (en) * 2017-05-31 2018-12-05 Apar Suction device for surgical fumes in an operating unit
CN109620390A (en) * 2018-12-05 2019-04-16 聊城市光明医院 A kind of laparoscope smog removes system automatically
CN208896822U (en) * 2018-09-21 2019-05-24 广州正茂印刷股份有限公司 A kind of automobile removes formaldehyde air exchangeable conditioner lattice
CN210080326U (en) * 2019-06-18 2020-02-18 广西壮族自治区妇幼保健院 Anesthesia waste gas negative pressure absorbs discharge system
CN211864196U (en) * 2020-03-20 2020-11-06 吴瑾 Preposed iatrogenic smoke filter

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991001692A1 (en) * 1989-08-10 1991-02-21 Einar Egnell Ab Device for use in the discharge of fumes from an operating site
CN2825141Y (en) * 2005-09-12 2006-10-11 北京光电技术研究所 Smoke removing devices for medical use
KR20150012647A (en) * 2013-07-26 2015-02-04 주식회사 앤트테크놀로지 Smoke inhalation for medical device
CN104406234A (en) * 2014-09-26 2015-03-11 苏州博菡环保科技有限公司 Air purifier with alarm function
CN105396384A (en) * 2015-12-17 2016-03-16 重庆福悦安科技有限公司 Easily-mounted/dismounted automobile air conditioner filter
US20170281255A1 (en) * 2016-03-30 2017-10-05 Surgiquest, Inc. Smoke evacuation system for invasive surgical procedures
EP3409386A1 (en) * 2017-05-31 2018-12-05 Apar Suction device for surgical fumes in an operating unit
CN208176586U (en) * 2017-09-13 2018-12-04 邰宝龙 A kind of multifunctional high frequency electrosurgical
CN208017579U (en) * 2017-10-11 2018-10-30 乐品乐道（诸暨）工业设计有限公司 A kind of electric knife smoke collector
CN208896822U (en) * 2018-09-21 2019-05-24 广州正茂印刷股份有限公司 A kind of automobile removes formaldehyde air exchangeable conditioner lattice
CN109620390A (en) * 2018-12-05 2019-04-16 聊城市光明医院 A kind of laparoscope smog removes system automatically
CN210080326U (en) * 2019-06-18 2020-02-18 广西壮族自治区妇幼保健院 Anesthesia waste gas negative pressure absorbs discharge system
CN211864196U (en) * 2020-03-20 2020-11-06 吴瑾 Preposed iatrogenic smoke filter

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