CN114130138B - Torsion-resistant filter for respiratory tubing system - Google Patents

Torsion-resistant filter for respiratory tubing system Download PDF

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Publication number
CN114130138B
CN114130138B CN202111178545.8A CN202111178545A CN114130138B CN 114130138 B CN114130138 B CN 114130138B CN 202111178545 A CN202111178545 A CN 202111178545A CN 114130138 B CN114130138 B CN 114130138B
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China
Prior art keywords
filter
torsion
cover
pivot sleeve
connector
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Active
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CN202111178545.8A
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Chinese (zh)
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CN114130138A (en
Inventor
熊道存
王旭祥
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Ningbo Besmed Medical Equipment Corp
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Ningbo Besmed Medical Equipment Corp
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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
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0017—Filter elements installed in a branch of a pipe, e.g. with an y-shaped tubular housing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0816—Joints or connectors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0875—Connecting tubes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/105—Filters
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/75—General characteristics of the apparatus with filters
    • A61M2205/7509—General characteristics of the apparatus with filters for virus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/75—General characteristics of the apparatus with filters
    • A61M2205/7518—General characteristics of the apparatus with filters bacterial
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2265/02—Non-permanent measures for connecting different parts of the filter
    • B01D2265/021—Anti-rotational means

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Emergency Medicine (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Networks Using Active Elements (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

A torsion-resistant filter for a respiratory tubing system includes a first cover, a second cover, and a pivot sleeve; the first cover body is provided with a first extension pipe and a first outer side frame, and the first extension pipe is in fluid communication with a gas flowing space; the second cover body is provided with a second extension pipe and a second outer side frame, and the second extension pipe is in fluid communication with a filter material accommodating space; the pivot sleeve is axially pivoted with the second extension pipe to form a rotatable torsion-resistant joint, the pivot sleeve is in fluid communication with the filter material accommodating space, and the filter material accommodating space can be provided with a filter material; wherein the first outer side frame is fixed on the second outer side frame.

Description

Torsion-resistant filter for respiratory tubing system
Technical Field
The present invention relates to a Filter for a respiratory tubing system (Breathing circuit system), and more particularly, to an Anti-torsion Filter (Anti-torsion Filter) for a respiratory tubing system, in which a Filter material (Filter material) is disposed inside the Filter, and the Filter has a rotatable Anti-torsion joint (Anti-torsion joint) to reduce torsion.
Background
Prior art (one) as in US4148732a, the main disclosed technology is a bacterial filter unit comprising a two-piece molded housing with two housing pieces sealingly engaged, a filter media held intermediate the two housing pieces, each housing piece having a tubular end for connection to a breathing circuit through which bacteria can be filtered. When the filter unit is used for a breathing circuit, if the breathing circuit rotates due to the influence of position or gravity, the two shell parts bear a torsion force, and the breathing circuit may be distorted or deformed. Accordingly, there remains a need for improvement in the art (one).
The prior art (II) is, for example, U.S. patent No. 5035236A, the main disclosed technology being a hot-wet exchange breathing gas filter device having a filter element formed from strips of bacterial filter material folded transversely into pleats and bent into a loop, the filter element being sealed in a circular housing; exhaled air may heat and wet the filter assembly, and inhaled air is filtered by the filter assembly and absorbs some heat and moisture from the filter assembly. When the heat-moisture exchange breathing gas filtering device is used for a breathing pipeline, if the breathing pipeline rotates due to the influence of position or gravity, the circular shell can bear a torsion force, and the breathing pipeline can be distorted or deformed. Accordingly, there remains a need for improvement in the art (II).
Disclosure of Invention
In view of the above-mentioned shortcomings and improvements in the prior art, it is an object of the present invention to provide a torsion-resistant filter for a respiratory tubing system, the filter comprising a first cover, a second cover and a pivot sleeve (Pivoting sleeve tube); the first cover body is provided with a first extension pipe and a first outer side frame, and the first extension pipe is in fluid communication with a gas flowing space; the second cover body is provided with a second extension pipe and a second outer side frame, and the second extension pipe is in fluid communication with a filter material accommodating space; the pivot sleeve is Axially pivoted (Axially pivot) to the second extension pipe to form a rotatable torsion-resistant joint (Anti-torsion joint), the pivot sleeve is in fluid communication with the filter material accommodating space, and the filter material accommodating space can be provided with a filter material; wherein the first outer side frame is fixed on the second outer side frame.
The invention has the beneficial effect that the filter can be arranged in a breathing pipeline system, and the filter reduces the torsion by the pivot sleeve.
The invention has the advantage that when the filter is removed, an operator can fix a Y-connector (Y Piece Connector) of the respiratory tubing system to a straight connector (Straight Connector) of a Catheter Mount (Catheter Mount) of the respiratory tubing system to maintain the operation of the respiratory tubing system.
The invention has the beneficial effects that the first inner side frame of the first cover body and the second inner side frame of the second cover body can jointly clamp a filter cotton piece, and the edge of the filter cotton piece is not extruded on the first outer side frame and the second outer side frame to influence the filtering effect.
Drawings
Fig. 1 is a schematic view of a filter of the present invention for use in a respiratory tubing system.
Fig. 2 is an exploded perspective view of the filter of the present invention disposed intermediate the Y-connector and the straight connector.
FIG. 3 is a schematic view showing a combination state of the filter of the present invention disposed between the Y-connector and the straight connector.
Fig. 4 is a schematic diagram showing the combination of the Y-connector and the straight connector.
Fig. 5 is a perspective view of a preferred embodiment of the present invention.
Fig. 6 is a perspective view of a pivot bushing according to a preferred embodiment of the present invention.
FIG. 7 is another perspective view of the pivot bushing of the preferred embodiment of the present invention.
Fig. 8 is a perspective cross-sectional view of a pivot bushing of a preferred embodiment of the present invention.
FIG. 9 is another perspective cross-sectional view of the pivot bushing of the preferred embodiment of the present invention.
Fig. 10 is a partially exploded perspective view (one) of the preferred embodiment of the present invention.
Fig. 11 is a partially exploded perspective view (two) of a preferred embodiment of the present invention.
Fig. 12 is a section view of section A-A of fig. 5.
FIG. 13 is a schematic diagram illustrating the operation of the preferred embodiment of the present invention.
Detailed Description
Referring to fig. 1 to 4, the torsion-resistant filter 1 of the present invention may be disposed in a respiratory tubing system 2, the respiratory tubing system 2 having a Y-connector (Y Piece Connector) 50 and a conduit bracket (Catheter Mount) 60, and the filter 1 may be disposed between the Y-connector 50 and the conduit bracket 60.
Referring to fig. 5 to 12, in a preferred embodiment, the torsion-resistant filter 1 of the present invention includes a first cover 10, a second cover 20, and a pivot sleeve 30; the first cover 10 has a first extension pipe 11, the first cover 10 has a first outer side frame 12 and a gas flow space 14, and the first extension pipe 11 is in fluid communication with the gas flow space 14; the second cover 20 has a second extension tube 21, the second cover 20 has a second outer frame 22 and a filter accommodating space 24, and the second extension tube 21 is in fluid communication with the filter accommodating space 24; the pivot sleeve 30 is axially pivoted to the second extension pipe 21 to form a rotatable torsion-resistant joint, the pivot sleeve 30 is in fluid communication with the filter accommodating space 24, and the filter accommodating space 24 can be provided with a filter 40 (such as filter paper or filter cotton); wherein the first outer side frame 12 is secured to the second outer side frame 22 (e.g., adhesive or ultrasonic welding); when the filter 1 is disposed in a breathing circuit system 2, the filter 1 reduces torque by the pivot sleeve 30 (e.g., the pivot sleeve 30 and the second extension tube 21 rotate relative to each other to eliminate rotational torque).
Referring to fig. 6 to 13, the pivotal connection between the pivot sleeve 30 and the second extension tube 21 is illustrated: the first extension pipe 11 is integrally formed on the first cover 10, the second extension pipe 21 is integrally formed on the second cover 20, the second extension pipe 21 has an annular rib 25, the pivot sleeve 30 has a track 35, the track 35 is formed by a limiting surface 351 and a plurality of limiting portions 352, the annular rib 25 enters the track 35 through an inclined surface 251, so that the pivot sleeve 30 is axially pivoted to the second extension pipe 21, and the pivot sleeve 30 and the second extension pipe 21 can rotate relatively.
Referring to fig. 12 to 13, the manner of increasing the air tightness is illustrated: the pivot sleeve 30 further has a coaxial inner tube 300, the coaxial inner tube 300 is integrally formed with the pivot sleeve 30, an annular gap 32 is formed between the pivot sleeve 30 and the coaxial inner tube 300, and the second extension tube 21 extends into the annular gap 32 to increase the airtight degree.
Referring to fig. 10-12, the manner in which the filter 1 may incorporate a cotton filter 46 is illustrated: the gas flow space 14 is defined by a first inner side frame 16, the filter accommodating space 24 is defined by a second inner side frame 26, and the first inner side frame 16 and the second inner side frame 26 can jointly clamp a filter cotton sheet 46; wherein the filter cotton sheet 46 is a filter material for filtering bacteria or viruses, and the filter cotton sheet 46 can separate the gas flowing space 14 from the filter material accommodating space 24. The first outer side frame 12 of the first cover 10 is spaced from the first inner side frame 16, and the second outer side frame 22 of the second cover 20 is spaced from the second inner side frame 26, so that the edge 461 of the filter cotton sheet 46 is not pressed against the first outer side frame 12 and the second outer side frame 22 to affect the filtering effect.
Referring to fig. 1 to 3, when the filter 1 is used, the respiratory tubing system 2 has the Y-connector 50 and the conduit bracket 60, and an operator can dispose the filter 1 between the Y-connector 50 and the conduit bracket 60; wherein the catheter holder 60 has a straight joint (Straight Connector) 63 to which the pivot bushing 30 of the filter 1 can be fixed.
Referring to fig. 4, when removing the filter 1, an operator can fix the confluence end 51 of the Y-connector 50 to the straight joint 63 of the conduit bracket 60, and still maintain the operation of the breathing circuit system 2.
Referring to fig. 3, the connection manner of the filter 1 and the Y-connector 50 is illustrated: the first extension pipe 11 further has a coaxial outer pipe 110; when the filter 1 is connected to the Y-connector 50, the confluence end 51 of the Y-connector 50 is fixed between the first extension pipe 11 and the coaxial outer pipe 110; during use of the filter 1, if the Y-connector 50 rotates due to the influence of position or gravity, the respiratory tubing system 2 can reduce the torque force generated by the Y-connector 50 by the pivot sleeve 30.
Referring to fig. 1 and 3, the connection between the filter 1 and the catheter holder 60 is illustrated: the catheter holder 60 further has a breathing tube 65; when the filter 1 is connected to the catheter holder 60, the straight connector 63 of the catheter holder 60 is fixed to the pivot sleeve 30; during use of the filter 1, if the conduit bracket 60 rotates due to the influence of position or gravity, the respiratory tubing system 1 can reduce the torsion force generated by the conduit bracket 60 by the pivot sleeve 30.
Referring to fig. 1-3, the flow path of the breathing circuit system 2 is illustrated: the breathing circuit system 2 has an air intake pipe 72 and an air exhaust pipe 73; wherein an inhalation end 52 of the Y-connector 50 is connected to the inhalation tube 72 and an exhalation end 53 of the Y-connector 50 is connected to the exhalation tube 73. The flow path of the suction air is: the air flow of the suction air of the suction pipe 72 enters the filter 1 through the suction end 52 and the confluence end 51 of the Y-shaped connector 50, and the filtered air flow of the suction air enters the conduit bracket 60 through the pivot sleeve 30. The flow path of the exhaust gas is: the exhaust gas flow of the conduit bracket 60 enters the filter 1 through the pivot sleeve 30, and the filtered exhaust gas flow enters the exhalation tube 73 through the converging end 51 and the exhaling end 53 of the Y-connector 50.
Referring to fig. 5, 11 and 12, the gas sampling method of the filter 1 is described: the first cover 10 further has a gas sampling port (Gas sampling port) 18, the gas sampling port 18 being in fluid communication with the gas flow space 14, the gas sampling port 18 further having a removable seal cap 19, the filter 1 being capable of gas sampling via the gas sampling port 18.
Referring to fig. 10 to 12, the accelerated airflow mode of the filter 1 is illustrated: the first cover 10 further has a plurality of first arc ribs 141 disposed in the gas flow space 14 to guide the gas flow, the second cover 20 further has a plurality of second arc ribs 241 disposed in the filter accommodating space 24 to guide the gas flow, and the filter 1 accelerates the gas flow by the plurality of first arc ribs 141 and the plurality of second arc ribs 241.
Referring to fig. 11 to 12, the anti-clogging method of the filter 1 is illustrated: the second cover 20 further comprises a supporting portion 242 and at least one blocking rod 243 disposed in the filter accommodating space 24, the filter 40 is limited between the plurality of first arc ribs 141 and the plurality of second arc ribs 241, and the filter 40 is supported by the supporting portion 242; wherein the supporting portion 242 and the blocking rod 243 are integrally formed in the second cover 20, and the filter 1 prevents the sputum of the patient from blocking the filter medium 40 by the blocking rod 243.

Claims (8)

1. A torsion-resistant filter for a respiratory tubing system, the filter (1) comprising:
a first cover (10), the first cover (10) having a first extension tube (11), the first cover (10) having a first outer side frame (12) and a gas flow space (14), the first extension tube (11) being in fluid communication with the gas flow space (14);
a second cover (20), the second cover (20) having a second extension tube (21), the second cover (20) having a second outer side frame (22) and a filter accommodating space (24), the second extension tube (21) being in fluid communication with the filter accommodating space (24);
a pivot sleeve (30), the pivot sleeve (30) being axially pivotally connected to the second extension tube (21) to form a rotatable torsion-resistant joint, the pivot sleeve (30) being in fluid communication with the filter receiving space (24);
a filter material (40) arranged in the filter material accommodating space (24); wherein the first outer rim (12) is fixed to the second outer rim (22); when the filter (1) is arranged on a respiratory pipeline system (2), the filter (1) reduces the formation of torsion by the rotatable torsion-resistant joint;
wherein the first extension tube (11) is integrally formed on the first cover body (10), the second extension tube (21) is integrally formed on the second cover body (20), the second extension tube (21) is provided with an annular rib (25), the pivot sleeve (30) is provided with a track (35), the track (35) is formed by a limiting surface (351) and a plurality of limiting parts (352), the annular rib (25) enters the track (35) through an inclined surface (251), so that the pivot sleeve (30) is axially pivoted on the second extension tube (21);
the pivot sleeve (30) further has a coaxial inner tube (300), the coaxial inner tube (300) is integrally formed with the pivot sleeve (30), an annular gap (32) is formed between the pivot sleeve (30) and the coaxial inner tube (300), and the second extension tube (21) extends into the annular gap (32) to increase the air tightness.
2. The torsion-resistant filter for a respiratory tubing system according to claim 1, wherein the gas flow space (14) is defined by a first inner side frame (16), the filter receiving space (24) is defined by a second inner side frame (26), and the first inner side frame (16) and the second inner side frame (26) cooperate to hold a filter plug (46).
3. The torsion-resistant filter for respiratory tubing system according to claim 1, wherein the respiratory tubing system (2) has a Y-connector (50) and a conduit bracket (60), the filter (1) being disposed intermediate the Y-connector (50) and the conduit bracket (60), the pivot sleeve (30) being secured to a straight fitting (63) of the conduit bracket (60); when the filter (1) is removed, an operator can secure a manifold end (51) of the Y-connector (50) to the straight fitting (63) of the conduit bracket (60).
4. A torsion-resistant filter for a respiratory tubing system according to claim 3, wherein the first extension tube (11) further has a coaxial outer tube (110); when the filter (1) is connected to the Y-connector (50), the confluence end (51) of the Y-connector (50) is fixed between the first extension pipe (11) and the coaxial outer pipe (110), and the respiratory pipeline system (2) reduces the torsion force generated by the Y-connector (50) through the pivot sleeve (30).
5. A torsion-resistant filter for a respiratory tubing system according to claim 3, wherein the catheter holder (60) further has a breathing tube (65); when the filter (1) is connected to the conduit bracket (60), the straight joint (63) of the conduit bracket (60) is fixed to the pivot sleeve (30), and the respiratory pipeline system (2) reduces the torsion force generated by the conduit bracket (60) through the pivot sleeve (30).
6. A torsion-resistant filter for a respiratory tubing system according to claim 3, wherein an inspiratory end (52) of the Y-connector (50) is further connected to an inspiratory tube (72), and an expiratory end (53) of the Y-connector (50) is further connected to an expiratory tube (73).
7. The torsion-resistant filter for respiratory tubing systems according to claim 1, wherein the first cover (10) further has a gas sampling port (18), the gas sampling port (18) being in fluid communication with the gas flow space (14), the gas sampling port (18) further having a removable seal cap (19).
8. The torsion-resistant filter for a respiratory tubing system according to claim 1, wherein the first cover (10) further includes a plurality of first arcuate ribs (141) disposed in the gas flow space (14) to guide the gas flow, the second cover (20) further includes a plurality of second arcuate ribs (241) disposed in the filter housing space (24) to guide the gas flow, the second cover (20) further includes a support portion (242) and at least one blocking rod (243) disposed in the filter housing space (24), the filter (40) is limited between the plurality of first arcuate ribs (141) and the plurality of second arcuate ribs (241), and the filter (40) is supported by the support portion (242).
CN202111178545.8A 2021-08-03 2021-10-10 Torsion-resistant filter for respiratory tubing system Active CN114130138B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW110128754 2021-08-03
TW110128754A TWI784655B (en) 2021-08-03 2021-08-03 Anti-torsion filter used for breathing circuit system

Publications (2)

Publication Number Publication Date
CN114130138A CN114130138A (en) 2022-03-04
CN114130138B true CN114130138B (en) 2023-05-23

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CN202111178545.8A Active CN114130138B (en) 2021-08-03 2021-10-10 Torsion-resistant filter for respiratory tubing system

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200533399A (en) * 2004-02-12 2005-10-16 Atsuo F Fukunaga Multifunctional integrated filter and breathing conduit
GB0510995D0 (en) * 2005-05-28 2005-07-06 Intersurgical Ltd Improvements relating to filters
TWM314290U (en) * 2006-09-08 2007-06-21 Galemed Corp Pipe connection device
US8561606B2 (en) * 2008-06-05 2013-10-22 Carefusion 2200, Inc. Heat and moisture exchange unit
KR20230156081A (en) * 2015-03-31 2023-11-13 피셔 앤 페이켈 핼스케어 리미티드 Apparatus for use in a respiratory support system
WO2017049358A1 (en) * 2015-09-23 2017-03-30 Resmed Limited Vent adaptor for a respiratory therapy system
CN212187506U (en) * 2020-04-26 2020-12-22 中国人民解放军联勤保障部队第九〇〇医院 Respiratory disease nursing infection-preventing isolating device

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TWI784655B (en) 2022-11-21
CN114130138A (en) 2022-03-04
TW202306624A (en) 2023-02-16

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