[go: up one dir, main page]

WO2025082416A1 - Lame de laryngoscope anti-retour d'alimentation en oxygène - Google Patents

Lame de laryngoscope anti-retour d'alimentation en oxygène Download PDF

Info

Publication number
WO2025082416A1
WO2025082416A1 PCT/CN2024/125387 CN2024125387W WO2025082416A1 WO 2025082416 A1 WO2025082416 A1 WO 2025082416A1 CN 2024125387 W CN2024125387 W CN 2024125387W WO 2025082416 A1 WO2025082416 A1 WO 2025082416A1
Authority
WO
WIPO (PCT)
Prior art keywords
laryngoscope blade
rod
inner cavity
guide
guide tube
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
PCT/CN2024/125387
Other languages
English (en)
Chinese (zh)
Inventor
舒妮
哈达
敖虎山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Priority claimed from CN202322790195.1U external-priority patent/CN221844645U/zh
Priority claimed from CN202311344547.9A external-priority patent/CN119837479A/zh
Application filed by Individual filed Critical Individual
Publication of WO2025082416A1 publication Critical patent/WO2025082416A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/24—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/267—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the respiratory tract, e.g. laryngoscopes, bronchoscopes
    • 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. ventilators; Tracheal 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. ventilators; Tracheal tubes
    • A61M16/20—Valves specially adapted to medical respiratory devices

Definitions

  • the invention relates to a medical device, in particular to an oxygen supply and anti-reverse laryngoscope blade.
  • the anesthesia pharyngoscope is the preferred medical device for endotracheal intubation and glottis exposure during general anesthesia induction and cardiopulmonary resuscitation.
  • the blades of the anesthesia pharyngoscope are mostly reused, but are gradually being replaced by disposable blades.
  • the prior patent application 201510753521.9 discloses a disposable ventilation laryngoscope blade, in which the oxygen injection hole of the laryngoscope blade does not disclose the technical structure of the oxygen supply check valve. Oral secretions can easily flow back through the oxygen injection hole to contaminate the oxygen supply line on the laryngoscope handle.
  • the contaminated oxygen supply line is not easy to clean and disinfect. During repeated use, the oxygen supply line is prone to pathogens entering the body with the oxygen flow due to incomplete disinfection, causing cross infection.
  • an oxygen supply anti-return laryngoscope blade which includes a disposable video laryngoscope blade body, a buckle is provided at the tail end of the disposable video laryngoscope blade body, a tongue depressor is provided at the front end of the disposable video laryngoscope blade body, a laryngoscope blade inner cavity is provided inside the disposable video laryngoscope blade body, the tail end port of the laryngoscope blade inner cavity is open, the front end port of the laryngoscope blade inner cavity is highly transparent and closed, an opening communicating with the laryngoscope blade inner cavity is provided on the front end surface of the laryngoscope blade inner cavity, and a back pressure relief is provided on the opening.
  • Flexible check valve which includes a disposable video laryngoscope blade body, a buckle is provided at the tail end of the disposable video laryngoscope blade body, a tongue depressor is provided at the front end of the disposable video laryngoscope blade body, a laryngoscope blade inner cavity is provided inside the
  • a guiding and cleaning device which includes a guiding tube, a pressing rod, a transmission rod, and a cleaning rod.
  • a guiding protrusion is provided on the outer wall of the disposable video laryngoscope blade body, and the length direction of the guiding protrusion is parallel to the end face of the front end of the inner cavity of the laryngoscope blade;
  • a sleeve seat is fixedly provided on the outer wall of the rear end of the disposable video laryngoscope blade body above the guiding protrusion, and the guiding tube is split and fixed in the sleeve seat;
  • the axial direction of the guiding tube is parallel to the front end face of the inner cavity of the laryngoscope blade, and one end of the pressing rod and one end of the transmission rod are slidably inserted in the guiding tube;
  • a pressing head is provided at the top of the pressing rod facing the outside of the tube; the end of the transmission rod outside the guide tube is split and plugged and fixed on the dirt removing
  • the guide tube is a concentric reducer
  • the inner cavity of the guide tube is divided into a pressing rod cavity and a transmission rod cavity
  • the diameter of the pressing rod cavity is larger than the diameter of the transmission rod cavity
  • the pressing rod is axially reciprocatingly slidable along the guide tube and is placed in the pressing rod cavity
  • the transmission rod is axially reciprocatingly slidable along the guide tube and is placed in the transmission rod cavity
  • one end of the transmission rod is separately plugged and fixed with one end of the pressing rod in the pressing rod cavity
  • a return spring is sleeved on the transmission rod in the pressing rod cavity.
  • the cross section of the flexible sleeve is teardrop-shaped, and the cross section of the flexible sleeve is teardrop-shaped.
  • the tip of the sleeve is tightly fitted with the end surface of the front end of the inner cavity of the laryngoscope blade.
  • a back-pressure flexible check valve is provided on the end face of the closed end of the inner cavity of the laryngoscope blade; when the oxygen flow passes through the air inlet of the oxygen supply duckbill check valve, the back-pressure flexible check valve opens to transport oxygen into the body; when the oxygen transport is stopped, the back-pressure flexible check valve closes to prevent reverse flow, thereby preventing oral secretions from flowing back from the oxygen supply port to pollute the inner cavity of the laryngoscope blade and avoiding the backflow of oral secretions to pollute the oxygen supply pipeline on the laryngoscope handle.
  • FIG. 1 is an overall schematic diagram of Example 1.
  • FIG. 2 is a schematic diagram of the use of Example 1.
  • FIG3 is an overall schematic diagram of Example 2.
  • FIG. 4 is a schematic diagram of the use of Example 2
  • FIG5 is a partial structural cross-sectional view of Example 2.
  • FIG. 6 is a cross-sectional view of the guide tube of Example 2.
  • FIG. 7 is a cross-sectional view of the pressing rod cavity of Example 2.
  • FIG. 8 is an oblique view of FIG. 3 .
  • Figure 9 is a cross-sectional view of the dirt removal scraper rod of Example 2.
  • an oxygen supply anti-return laryngoscope blade comprises a disposable video laryngoscope blade body 1, a buckle 2 is provided at the rear end of the disposable video laryngoscope blade body 1, a tongue depressor 3 is provided at the front end of the disposable video laryngoscope blade body 1, and a laryngoscope blade inner cavity is provided inside the disposable video laryngoscope blade body 1, the rear end port of the laryngoscope blade inner cavity is open, and the front end port of the laryngoscope blade inner cavity is highly transparent and closed, and is used for
  • the camera collects images and light sources through, and an opening 11 communicating with the inner cavity of the laryngoscope blade is opened on the front end surface of the inner cavity of the laryngoscope blade, and a back pressure type flexible check valve 4 is provided on the opening 11.
  • the disposable video laryngoscope blade main body 1 When in use, the disposable video laryngoscope blade main body 1 is movably plugged into the extension arm of the laryngoscope handle, and the disposable video laryngoscope blade main body 1 is fixed to the laryngoscope handle by the buckle 2, and the oxygen outlet on the extension arm of the laryngoscope handle corresponds to the air inlet of the back pressure type flexible check valve 4, so that the oxygen outlet on the extension arm of the laryngoscope handle is connected with the air inlet of the back pressure type flexible check valve 4; during use, when the oxygen flow coming out of the oxygen outlet on the extension arm of the laryngoscope handle passes through the air inlet of the back pressure type flexible check valve 4, the straight-line closed opening at the front end of the back pressure type flexible check valve 4 opens to transport oxygen into the body, and when the oxygen supply stops, the back pressure type flexible check valve 4 closes to prevent oral secretions from flowing back from the oxygen supply port and contaminating the laryngoscope handle extension arm in the inner cavity
  • an oxygen supply non-return laryngoscope blade comprises a disposable video laryngoscope blade body 1 and a guide and dirt removal device 5, wherein the guide and dirt removal device 5 comprises a guide tube 51, a pressing rod 52, a transmission rod 53 and a dirt removal rod 54, a buckle 2 is provided at the tail end of the disposable video laryngoscope blade body 1, a tongue depressor 3 is provided at the front end of the disposable video laryngoscope blade body 1, a laryngoscope blade inner cavity is provided inside the disposable video laryngoscope blade body 1, the tail end port of the laryngoscope blade inner cavity is open, and the front end port of the laryngoscope blade inner cavity is highly transparent and closed for camera image acquisition and light source to pass through, an opening 11 connected to the laryngoscope blade inner cavity is provided on the front end face of the laryngoscope blade inner cavity, and a back-pressure flexible check valve 4 is provided on the opening 11; a guide and dirt removal device 5 comprises a guide tube 51,
  • the movable length makes it possible for the dirt removing rod 54 to not move forward and swing left and right along the disposable video laryngoscope blade body 1 during the reciprocating movement, so that the dirt removing rod 54 can be positioned stably and accurately during the reciprocating movement;
  • the front end of the dirt removing rod 54 is bent and formed to be provided with a dirt removing scraper rod 58, and the dirt removing scraper rod 58 is provided with a flexible sleeve 6 that fits tightly with the end face of the front end of the inner cavity of the laryngoscope blade.
  • the cross-section of the flexible sleeve 6 is a water drop shape, and the tip of the flexible sleeve 6 with a water drop shape cross-section fits tightly with the end face of the front end of the inner cavity of the laryngoscope blade.
  • the operator can press the pressing head 56, and the pressing rod 52, the transmission rod 53, and the dirt removal rod 54 will be linked, and the tip of the flexible sleeve 6 on the dirt removal scraper rod 58 will scrape the secretions on the end face of the highly transparent closed end of the laryngoscope blade, allowing the camera to collect airway images in real time; through the guiding effect of the guide tube 51, the dirt removal scraper rod 58 on the dirt removal rod 54 is kept parallel to the end face of the highly transparent closed end of the laryngoscope blade and moves up and down, so that the tip of the flexible sleeve 6 fits tightly with the end face of the highly transparent closed end of the laryngoscope blade to remove dirt.
  • Guide protrusion 12 and the corresponding guide groove 57 enable the tip of the flexible sleeve 6 to closely contact the end surface of the highly transparent closed end of the laryngoscope blade inner cavity during the reciprocating movement of the dirt removing rod 54.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pulmonology (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Anesthesiology (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Emergency Medicine (AREA)
  • Hematology (AREA)
  • Optics & Photonics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Otolaryngology (AREA)
  • Physiology (AREA)
  • Endoscopes (AREA)

Abstract

L'invention concerne une lame de laryngoscope anti-retour d'alimentation en oxygène, comprenant un corps de lame de laryngoscope vidéo jetable (1), une boucle (2) étant disposée au niveau de l'extrémité arrière du corps de lame de laryngoscope vidéo jetable (1) ; un abaisse-langue (3) est disposé au niveau de l'extrémité avant du corps de lame de laryngoscope vidéo jetable (1) ; une cavité interne de lame de laryngoscope est formée à l'intérieur du corps de lame de laryngoscope vidéo jetable (1) ; l'orifice d'extrémité arrière de la cavité interne de lame de laryngoscope est ouvert, et l'orifice d'extrémité avant de la cavité interne de lame de laryngoscope est hautement transparent et fermé ; une ouverture (11) en communication avec la cavité interne de lame de laryngoscope est formée dans la surface d'extrémité avant de la cavité interne de lame de laryngoscope ; un clapet anti-retour flexible de type à contre-pression (4) est disposé sur l'ouverture (11).
PCT/CN2024/125387 2023-10-17 2024-10-17 Lame de laryngoscope anti-retour d'alimentation en oxygène Pending WO2025082416A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202322790195.1U CN221844645U (zh) 2023-10-17 2023-10-17 供氧止逆喉镜片
CN202322790195.1 2023-10-17
CN202311344547.9 2023-10-17
CN202311344547.9A CN119837479A (zh) 2023-10-17 2023-10-17 供氧止逆喉镜片

Publications (1)

Publication Number Publication Date
WO2025082416A1 true WO2025082416A1 (fr) 2025-04-24

Family

ID=95447797

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2024/125387 Pending WO2025082416A1 (fr) 2023-10-17 2024-10-17 Lame de laryngoscope anti-retour d'alimentation en oxygène

Country Status (1)

Country Link
WO (1) WO2025082416A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130104884A1 (en) * 2010-03-29 2013-05-02 Endoclear Llc Endotracheal tube coupling adapters
CN105212884A (zh) * 2015-11-03 2016-01-06 乌日娜 具有除污功能的可弃性喉镜片的喉镜
CN105231985A (zh) * 2015-11-03 2016-01-13 舒妮 可弃性喉镜片的通气喉镜
CN213789397U (zh) * 2020-07-14 2021-07-27 宁波市妇女儿童医院 一种用于气道异物处理的柔性气道内供氧装置
CN113440092A (zh) * 2021-07-26 2021-09-28 哈达 一种具有导向除污装置的可视喉镜

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130104884A1 (en) * 2010-03-29 2013-05-02 Endoclear Llc Endotracheal tube coupling adapters
CN105212884A (zh) * 2015-11-03 2016-01-06 乌日娜 具有除污功能的可弃性喉镜片的喉镜
CN105231985A (zh) * 2015-11-03 2016-01-13 舒妮 可弃性喉镜片的通气喉镜
CN213789397U (zh) * 2020-07-14 2021-07-27 宁波市妇女儿童医院 一种用于气道异物处理的柔性气道内供氧装置
CN113440092A (zh) * 2021-07-26 2021-09-28 哈达 一种具有导向除污装置的可视喉镜

Similar Documents

Publication Publication Date Title
CN113440092B (zh) 一种具有导向除污装置的可视喉镜
CN213282826U (zh) 一种具有吸痰功能的插管硬镜
CN112006644A (zh) 一种具有吸痰功能的插管硬镜
CN220877400U (zh) 一种吸痰护理器
CN221844645U (zh) 供氧止逆喉镜片
WO2025082416A1 (fr) Lame de laryngoscope anti-retour d'alimentation en oxygène
CN108339812A (zh) 消化内窥镜吸引管道导刷器
CN217528546U (zh) 一种气管插管痰液清理工具
CN209900412U (zh) 一种具有推送装置的吸痰管
CN119837479A (zh) 供氧止逆喉镜片
CN221963566U (zh) 一种具有除污装置的一次性视频喉镜片
CN109621019B (zh) 一种用于人工气道的枪式吸痰器
CN215536993U (zh) 一种呼吸内科用儿童吸痰器
CN215023343U (zh) 一种危重症病人护理用呼吸道清洁装置
CN203802903U (zh) 一种自动对接及脱位的耳鼻喉喷药枪
WO2025082392A1 (fr) Lentille jetable de laryngoscope vidéo avec dispositif d'élimination des contaminants
CN208195148U (zh) 一种消化内镜清洗辅助装置
CN118058802B (zh) 一种协同式支气管镜及支气管异物取出器
CN215017106U (zh) 一种软性可视喉镜及气管插管装置
CN107185063A (zh) 肺结核病取痰装置
CN221770983U (zh) 一种便于更换吸痰管的吸痰装置
CN118121783B (zh) 一种密闭式吸痰装置
CN206492041U (zh) 一种伸缩式吸痰管
CN219700633U (zh) 一种可拆卸简易吸痰装置
CN111729167B (zh) 一种气管插管专用装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 24879057

Country of ref document: EP

Kind code of ref document: A1