WO2021207913A1 - 一种多功能可视导管 - Google Patents
一种多功能可视导管 Download PDFInfo
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- WO2021207913A1 WO2021207913A1 PCT/CN2020/084610 CN2020084610W WO2021207913A1 WO 2021207913 A1 WO2021207913 A1 WO 2021207913A1 CN 2020084610 W CN2020084610 W CN 2020084610W WO 2021207913 A1 WO2021207913 A1 WO 2021207913A1
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- catheter
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- visual catheter
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- 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
- A61B1/04—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 combined with photographic or television appliances
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- 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
- A61B1/06—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 with illuminating arrangements
- A61B1/07—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 with illuminating arrangements using light-conductive means, e.g. optical fibres
-
- 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
- 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
- A61B1/273—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 upper alimentary canal, e.g. oesophagoscopes, gastroscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
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- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
Definitions
- the invention relates to the field of medical equipment, and in particular to a multifunctional visual catheter.
- the sputum suction tube is a commonly used medical appliance in clinical medicine. Its main body is a hose and a suction device. Since the medical staff cannot directly see the specific position of the sputum in the trachea, the medical staff often need to learn from experience. Forecast, and then use blind insertion of the suction tube to suck sputum. This method is not only time-consuming and labor-intensive, but also not clean enough to suck the sputum. Sometimes it can damage the throat and intratracheal mucosa, causing great pain to the patient. To
- Chinese Patent No. 201420135609.5 discloses a visual sputum suction tube, which includes a shooting cavity for shooting and finding the location of sputum and foreign bodies and a suction cavity for expelling sputum and foreign bodies.
- the end of the shooting cavity is provided with Shooting an image capturing module that finds the location of sputum and foreign objects.
- the image capturing module transmits image data to a data interface, and then to an external control and display device.
- the visual sputum suction tube as a disposable medical device, will be discarded after use.
- the discarded part includes the image capture module, data transmission line and data interface, which greatly increases the cost of sputum suction. , Thereby increasing the economic burden of patients.
- the purpose of the present invention is to develop a multifunctional visual catheter, which can be used as a sputum suction tube or a gastric tube, so as to reduce the burden on patients and reduce environmental pollution.
- the invention provides a multifunctional visual catheter, in particular to a visual catheter used for cleaning foreign bodies such as oral cavity, throat, sputum in the trachea, etc., and used for helping patients who cannot swallow to deliver necessary water and nutrition.
- a multifunctional visual catheter includes a shooting channel, an auxiliary channel and a light source channel.
- the arrangement of the shooting channel, auxiliary channel and optical fiber channel is arranged side by side or stacked, wherein:
- the shooting cavity is used for accommodating a pluggable camera module, the camera module is isolated from the outside by a transparent cover and a hose, and the image of the body part is taken.
- the front end of the shooting cavity is sealed by the transparent cover, and the rear of the shooting cavity Pluggable interface is set at the end;
- Auxiliary cavity used to suck out or inject fluid substances
- the light source cavity is used to house the light source module and provide the illumination light source required by the camera module.
- the front end of the camera module may also include a rotatable component, which in turn drives the front end of the multifunctional visual catheter to rotate, facilitating the observation or movement of the catheter in different directions.
- the visual catheter further includes a transparent cover provided at the front end, and the front end surface of the transparent cover may be a flat surface or a spherical surface.
- the transparent cover is made of PMMA or PC material.
- peripheral surface of the front end of the visual catheter is also provided with openings, and the number of the openings is one or more.
- the shape of the opening may be any of a circle, a square, or an irregular shape.
- the visual catheter is made of silica gel, polyvinyl chloride, polyethylene, and polyurethane.
- the cross-sectional shape of the auxiliary cavity can be any of a circle, a crescent shape, and a special shape.
- the number of said auxiliary cavities can be one or more.
- the cavity of the light source may adopt a groove or a sealing structure.
- the shooting channels and auxiliary channels can be arranged in a nested manner.
- the multifunctional visual catheter of the present invention can be used as a sputum suction tube or a gastric tube, has low cost, is convenient to operate, reduces the burden on patients, and reduces environmental pollution.
- Figure 1 Schematic diagram of the visual catheter structure.
- Figure 2 A schematic cross-sectional view of the front end of the visual catheter.
- Figure 3 Schematic diagram of the transparent cover structure.
- serial numbers and corresponding names are:
- the visual catheter consists of a visual catheter front end 1, an opening 2, an optical fiber groove 3, a catheter tube body 4, a catheter three-point joint 5, and an auxiliary lumen extension tube 6. , Auxiliary cavity connector 7, imaging cavity connector 8, optical fiber 9 and optical fiber light source connector 10.
- the opening 2 is arranged on the circumferential surface of the front end of the catheter body 4 for sucking sputum or injecting fluid substances such as nutrient solution
- the number and shape of the openings are not limited, for example, it can be round, square or irregular.
- the visual catheter is composed of a shooting channel 101, an auxiliary channel 102 and an optical fiber channel.
- the lumens are all flexible tubes, and the visual catheter is made of silica gel, polyvinyl chloride, polyethylene, and polyurethane.
- composition structure includes:
- a transparent cover 103 is installed at the front end of the cavity.
- the transparent cover 103 can not only ensure the optical requirements of the camera lens for observation and shooting, but also seal the shooting cavity 101, avoiding the camera lens module and body fluids. The risk of cross-contamination caused by contact, so as to achieve the purpose of multiple repeated use without the need to disinfect and clean the shooting lens cable.
- the shooting cavity 101 is used to house a pluggable camera module and passes through a transparent cover. 103 and the hose are isolated from the outside world, and images of internal parts are taken.
- the front end of the camera module may further include a rotatable component (not shown in the figure) to drive the front end of the multifunctional visual catheter to rotate, so as to facilitate the observation or movement of the catheter in different directions.
- the rotating part may be, for example, a miniature bearing or a similarly functional part.
- a pluggable interface is provided at the rear end of the shooting cavity 101, and the front end of the shooting cavity 101 is sealed by a transparent cover 103, which is made of PMMA or PC material, and the front surface of the transparent cover 103 can be a flat surface or a spherical surface.
- the auxiliary cavity 102 is used to suck out body fluids such as sputum or gastric juice, or to inject food, water, and medicine.
- the front side of the cavity has one or more openings, and the auxiliary cavity connector 7 at the end can be connected to a negative pressure device.
- a plug cover is provided at the joint.
- the cross-sectional shape of the auxiliary cavity 102 may also adopt other suitable shapes such as a circle, a crescent shape, and a special shape, and the number of the auxiliary cavity 102 may be one or more.
- the light source cavity which is mainly composed of the fiber groove 3, is convenient for embedding the optical fiber 9 in the groove so that it is not easy to slide out, and is used to house the optical fiber 9, which provides the light source for the camera lens. It is understandable that the light source cavity can also adopt a circular sealing structure, and the optical fiber 9 penetrates into the front end of the visual catheter through the circular sealing structure.
- the fiber optic light source connector 10 at the tail of the catheter is connected to an external light source to provide a light source for normal observation of the camera lens at the front end of the catheter.
- the arrangement of the shooting channel 101, the auxiliary channel 102, and the optical fiber channel is not limited to the arrangement shown in FIG. 2.
- the shooting channel 101 and the auxiliary channel 102 can also be arranged
- the arrangement is arranged in a nested manner.
- the arrangement of the shooting cavity 101, the auxiliary cavity 102, and the optical fiber cavity may also be the arrangement of three cavities side by side or stacked.
- the working process of the visual catheter is as follows:
- the auxiliary lumen connector 7 of the catheter When performing a sputum suction operation, connect the auxiliary lumen connector 7 of the catheter to the negative pressure device, and insert the catheter into the throat or trachea of the patient.
- the external visual device (not shown in the figure) ) Observe the catheter insertion picture taken by the camera at the front of the catheter on the display screen, adjust the position or depth of the catheter insertion according to the observed situation, and then aspirate the sputum.
- the visual catheter When the observation is over, pull out the camera cable from the catheter. Since the camera is not contaminated, there is no need for disinfection, which reduces the workload of medical staff and eliminates costs. The next time you use it, you only need to insert the visual device into the new catheter. That is, as a disposable medical consumable, the visual catheter not only realizes visual operation, but also has low cost.
- the multifunctional visual catheter of the present invention can be used as a visual sputum suction tube or a visual gastric tube.
- a visual sputum suction tube When used as a visual sputum suction tube, it is used to clean up sputum and foreign bodies in the oral cavity, throat and trachea ;
- a visible gastric tube When used as a visible gastric tube, it is used to inject nutrients, water and drugs into the patient’s stomach.
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Abstract
一种多功能可视导管,包括拍摄腔道(101),辅助腔道(102)及光源腔道,拍摄腔道(101)、辅助腔道(102)及光源腔道的排列方式采用并排或堆叠的方式设置,其中:拍摄腔道(101),用于容置可插拔的摄像模块,拍摄体内部位的图像;辅助腔道(102),用于吸出或注入流体物质;光源腔道,用于容置光源模块,提供摄像模块所需的照明光源。采用该多功能可视导管,既可以作为吸痰管,也可以作为胃管,成本低廉,操作方便,减轻患者负担,减少环境污染。
Description
本发明涉及医疗器械领域,具体涉及到一种多功能可视导管。
吸痰管是临床医疗上常用的一种医疗器具,其主体为一根软管和一个抽吸装置,由于医护人员无法直接看到痰液在气管中的具***置,医护人员常常需要根据经验来预测,然后采用盲插吸痰管的方式吸痰,这种方式不但非常耗时耗力,而且吸痰不够干净,有时候还会损坏咽喉部、气管内粘膜,给病人带来极大痛苦。
对于昏迷及咳痰无力的患者,由于其咳嗽吞咽功能下降,造成痰液排出困难。若痰液吸入肺部,容易出现肺部感染,甚至危及生命,针对深部位痰液的排出,目前临床采用吸痰管的解决方法;而对于昏迷及不能吞咽的患者,为了保证其营养需求,维持水、电解质平衡及药物的应用,促进疾病恢复,目前采用胃管输送营养液的解决方法,上述两种解决方案目前在医疗领域得到了大量的应用。
中国专利号201420135609.5公开了一种可视吸痰管,其包括用于拍摄寻找痰液和异物位置的拍摄腔和用于排出痰液和异物的吸引腔,所述拍摄腔的端部设置有用于拍摄寻找痰液和异物位置的图像拍摄模块,所述图像拍摄模块将图像数据传输给数据接口,进而传输至外部控制和显示设备。但上述解决方案虽然解决了可视化问题,该可视吸痰管作为一次性医用器材,使用后将被丢弃,丢弃部分包含了图像拍摄模块、数据传输线以及数据接口等,大大增加了吸痰的成本,从而增加了患者的经济负担。
因此,有必要开发一种多功能可视导管,既可以作为吸痰管,也可以作为胃管,减轻患者负担,减少环境污染。
本发明的目的在于开发一种多功能可视导管,既可以作为吸痰管,也可以作为胃管,减轻患者负担,减少环境污染。
本发明提供一种多功能可视导管,具体涉及一种用于清理口腔、咽喉部、气管内痰液等异物,用于帮助不能吞咽的患者输送必要水分和营养的可视导管。
本发明的技术方案如下:
一种多功能可视导管,包括拍摄腔道,辅助腔道及光源腔道,拍摄腔道、辅助腔道及光纤腔道的排列方式采用并排或堆叠的方式设置,其中:
拍摄腔道,用于容置可插拔的摄像模块,所述摄像模块通过透明罩和软管与外界隔离,拍摄体内部位的图像,拍摄腔道的前端通过透明罩密封,拍摄腔道的后端设置可插拔接口;
辅助腔道,用于吸出或注入流体物质;
光源腔道,用于容置光源模块,提供摄像模块所需的照明光源。
进一步的,所述摄像模块的前端还可以包括可旋转部件,进而带动多功能可视导管前端旋转,方便导管对不同方向进行观察或移动。
进一步的,所述的可视导管还包括设置在前端的透明罩,透明罩的前端表面可以为平面或球面。
进一步的,所述的透明罩采用PMMA或PC材料制成。
进一步的,所述的可视导管前端圆周表面还布设有开孔,开孔的数量为1个或多个。
进一步的,所述开孔的形状可以为圆形、方形或不规则形状的任一种。
进一步的,所述的可视导管采用硅胶、聚氯乙烯、聚乙烯、聚氨脂制成。
进一步的,所述辅助腔道的截面形状可以为圆形、月牙形、异形的任一种。
进一步的,所述的辅助腔道的数量可以是一个或多个。
进一步的,所述的光源腔道可以采用凹槽或密封结构。
进一步的,所述的拍摄腔道和辅助腔道可以采用套设的方式排布。
采用本发明的多功能可视导管,既可以作为吸痰管,也可以作为胃管,成本低廉,操作方便,减轻患者负担,减少环境污染。
图1:可视导管结构示意图。
图2:可视导管前端的横截面示意图。
图3:透明罩结构示意图。
各序号及对应的名称分别为:
1:可视导管前端; 2:开孔;3:光纤凹槽;4:导管管体;5:导管三分接头;6:辅助腔道延长管;7:辅助腔道接头;8:拍摄腔道接头;9:光纤;10:光纤光源接头;101:拍摄腔道;102:辅助腔道;103:透明罩。
为了使本发明所要解决的技术问题、技术方案及有益效果更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅用以解释本发明,并不用于限定本发明。
请参考图1本发明的可视导管结构示意图,该可视导管由可视导管前端1, 开孔2,光纤凹槽3,导管管体4,导管三分接头5,辅助腔道延长管6,辅助腔道接头7,拍摄腔道接头8,光纤9及光纤光源接头10组成,其中开孔2布设在导管管体4前端部位的圆周面,用于吸取痰液或注射营养液等流体物质,其开设数量与形状不限,例如可以是圆形、方形或不规则形状。可视导管由拍摄腔道101、辅助腔道102及光纤腔道组成,管腔均为软管,可视导管采用硅胶、聚氯乙烯、聚乙烯、聚氨脂制成。
进一步参考图2可视导管前端的横截面示意图及图3可视导管的透明罩结构示意图,其组成结构包括:
拍摄腔道101,该腔道前端端口处安装有一透明罩103,透明罩103既可以保证摄像镜头观察和拍摄的光学要求,又起到密封拍摄腔道101的目的,避免了摄像镜头模块与体液接触而带来的交叉污染的风险,从而在不需要消毒清洗拍摄镜头线缆的情况下实现多次反复使用的目的,拍摄腔道101用于容置可插拔的摄像模块,并通过透明罩103和软管与外界隔离,拍摄体内部位的图像。本领域技术人员可以理解的是,摄像模块的前端进一步还可以包括可旋转部件(图中未示出),进而带动多功能可视导管前端旋转,方便导管对不同方向进行观察或移动,该可旋转部件例如可以是微型轴承或类似功能的部件。拍摄腔道101的后端设置可插拔接口,拍摄腔道101的前端通过透明罩103密封,透明罩103采用PMMA或PC材料制成,透明罩103的前端表面可以为平面或球面等结构。
辅助腔道102,用于吸出痰液或胃液等体液,或注入食物、水和药物,其腔道前端侧面有一个或多个开孔,其末端的辅助腔道接头7可以连接负压装置进行吸痰,也可通过注射器注射水或药物物质,接头处设有塞盖。可以理解的是,辅助腔道102的截面形状还可以采用圆形、月牙形、异形等其它适宜的形状,且辅助腔道102的个数可以是一个或多个。
光源腔道,光源腔道主要由光纤凹槽3组成,便于将光纤9嵌入在凹槽中,使其不易滑出,用于容置光纤9,该光纤为摄像镜头提供光源。可以理解的是,光源腔道也可以采用圆形密封结构,光纤9通过圆形密封结构穿入到可视导管前端部位。在实际使用前,将导管尾部的光纤光源接头10与外部的光源连接,即可为导管前端的摄像镜头正常观察提供光源。
本领域技术人员可以理解的是,拍摄腔道101、辅助腔道102及光纤腔道的排布方式不限于图2所示的排列方式,例如,拍摄腔道101和辅助腔道102还可以采用套设的方式排布,进一步的,拍摄腔道101、辅助腔道102及光纤腔道的排列方式还可以是三根腔道并排或堆叠的方式设置。
可视导管的工作过程如下:
使用前,将可视导管前端1的带有***镜头的可视线缆通过拍摄腔道101末端的接头处穿入到拍摄腔道101中,直至到达可视导管的透明罩103处,此时摄像镜头的前端镜头刚好到达腔道的前端端口。
当进行吸痰操作时,将导管的辅助腔道接头7连接负压装置,并将导管***到患者的咽喉部或气管内,在***过程中,在外部的可视装置(图中未示出)显示屏幕上观察导管前端摄像头拍摄的导管***的画面,根据观察到的情况调整导管***的位置或深度,进而吸出痰液。
当进行胃管操作时,将导管从患者的鼻腔或口腔***,***过程中,边观察拍摄的画面,边***边调整,直至可视导管到达胃部合适位置后,通过注射器将营养物质、水或药物等液体通过辅助腔道接头7注射到辅助腔道102内,通过腔道流入到胃部,在此过程中仍然可以通过拍摄到的画面,观察液体注入胃部的情况。
当观察结束后,将导管中的摄像头线缆抽出,由于摄像头没有污染,无须进行消毒处理,减少了医务人员的工作量和消除成本,下次使用时,仅需要将可视装置***新的导管即可,可视导管作为一次性医疗耗材,既实现了可视化操作,且成本低廉。
本发明的多功能可视导管,既可以作为可视吸痰管,也可以作为可视胃管,当作为可视吸痰管时,用于清理口腔、咽喉部及气管内的痰液和异物;当作为可视胃管时,用于向患者的胃部注入营养物质、水和药物等物质。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。
Claims (11)
- 一种多功能可视导管,其特征在于,包括拍摄腔道,辅助腔道及光源腔道,拍摄腔道、辅助腔道及光纤腔道的排列方式采用并排或堆叠的方式设置,其中:拍摄腔道,用于容置可插拔的摄像模块,所述摄像模块通过透明罩和软管与外界隔离,拍摄体内部位的图像,拍摄腔道的前端通过透明罩密封,拍摄腔道的后端设置可插拔接口;辅助腔道,用于吸出或注入流体物质;光源腔道,用于容置光源模块,提供摄像模块所需的照明光源。
- 如权利要求1所述的多功能可视导管,其特征在于,所述摄像模块的前端进一步包括可旋转部件,进而带动多功能可视导管前端旋转,方便导管对不同方向进行观察或移动。
- 如权利要求1所述的多功能可视导管,其特征在于,所述的可视导管还包括设置在前端的透明罩,透明罩的前端表面可以为平面或球面。
- 如权利要求3所述的多功能可视导管,其特征在于,所述的透明罩采用PMMA或PC材料制成。
- 如权利要求1所述的多功能可视导管,其特征在于,所述的可视导管前端圆周表面还布设有开孔,开孔的数量为一个或多个。
- 如权利要求5所述的多功能可视导管,其特征在于,所述开孔的形状可以为圆形、方形或不规则形状的任一种。
- 如权利要求1所述的多功能可视导管,其特征在于,所述的可视导管采用硅胶、聚氯乙烯、聚乙烯、聚氨脂制成。
- 如权利要求1所述的多功能可视导管,其特征在于,所述辅助腔道的截面形状可以为圆形、月牙形、异形的任一种。
- 如权利要求1所述的多功能可视导管,其特征在于,所述的辅助腔道的数量可以是一个或多个。
- 如权利要求1所述的多功能可视导管,其特征在于,所述的光源腔道可以采用凹槽或密封结构。
- 如权利要求1所述的多功能可视导管,其特征在于,所述的拍摄腔道和辅助腔道可以采用套设的方式排布。
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