CN106880897A - A kind of anesthetic tube - Google Patents
A kind of anesthetic tube Download PDFInfo
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- CN106880897A CN106880897A CN201710187126.8A CN201710187126A CN106880897A CN 106880897 A CN106880897 A CN 106880897A CN 201710187126 A CN201710187126 A CN 201710187126A CN 106880897 A CN106880897 A CN 106880897A
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- 230000003444 anaesthetic effect Effects 0.000 title claims abstract description 19
- 238000003780 insertion Methods 0.000 claims abstract description 22
- 230000037431 insertion Effects 0.000 claims abstract description 22
- 210000003928 nasal cavity Anatomy 0.000 claims abstract description 18
- 238000012806 monitoring device Methods 0.000 claims 3
- 239000002775 capsule Substances 0.000 claims 1
- 206010002091 Anaesthesia Diseases 0.000 abstract description 62
- 230000037005 anaesthesia Effects 0.000 abstract description 62
- 239000007789 gas Substances 0.000 abstract description 20
- 210000004704 glottis Anatomy 0.000 abstract description 9
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 9
- 230000002269 spontaneous effect Effects 0.000 abstract description 6
- 239000003994 anesthetic gas Substances 0.000 abstract description 5
- 210000004556 brain Anatomy 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract 1
- 210000000214 mouth Anatomy 0.000 abstract 1
- 230000000241 respiratory effect Effects 0.000 abstract 1
- 238000002627 tracheal intubation Methods 0.000 description 5
- 239000002912 waste gas Substances 0.000 description 4
- 229940035674 anesthetics Drugs 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000003193 general anesthetic agent Substances 0.000 description 2
- 210000001331 nose Anatomy 0.000 description 2
- 238000002271 resection Methods 0.000 description 2
- 230000028327 secretion Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 208000005016 Intestinal Neoplasms Diseases 0.000 description 1
- 208000004756 Respiratory Insufficiency Diseases 0.000 description 1
- 206010038678 Respiratory depression Diseases 0.000 description 1
- 206010067775 Upper airway obstruction Diseases 0.000 description 1
- 230000000202 analgesic effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002192 cholecystectomy Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009802 hysterectomy Methods 0.000 description 1
- 239000003983 inhalation anesthetic agent Substances 0.000 description 1
- 239000002869 intravenous anesthetic agent Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229940035363 muscle relaxants Drugs 0.000 description 1
- 239000003158 myorelaxant agent Substances 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 210000002307 prostate Anatomy 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- DFEYYRMXOJXZRJ-UHFFFAOYSA-N sevoflurane Chemical compound FCOC(C(F)(F)F)C(F)(F)F DFEYYRMXOJXZRJ-UHFFFAOYSA-N 0.000 description 1
- 229960002078 sevoflurane Drugs 0.000 description 1
- 238000002693 spinal anesthesia Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
- A61M16/01—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes specially adapted for anaesthetising
-
- 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
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
-
- 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
- A61M2205/33—Controlling, regulating or measuring
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Anesthesiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pulmonology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Emergency Medicine (AREA)
- Biophysics (AREA)
- Child & Adolescent Psychology (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
本发明公开一种麻醉导管，具体公开一种可保留自主呼吸的吸入麻醉导管，包括鼻腔插入端和设备连接端，麻醉导管中设置有进气管、负压吸引管、呼气末气体浓度监测器连接管、气囊和气囊导管。使用本发明进行呼吸麻醉时可以达到以下效果：能够保留患者自主呼吸和保持上呼吸道通畅；不会占据口腔、颅脑等手术部位；不经过声门便于患者发音，不会造成吸入麻醉剂泄漏；能够方便准确地监测呼气末CO2和麻醉气体的浓度。
The invention discloses an anesthesia catheter, specifically an inhalation anesthesia catheter capable of retaining spontaneous breathing, including a nasal cavity insertion end and a device connection end, the anesthesia catheter is provided with an air intake tube, a negative pressure suction tube, and an end-tidal gas concentration monitor Connection tube, balloon and balloon catheter. When the present invention is used for respiratory anesthesia, the following effects can be achieved: it can keep the patient's spontaneous breathing and keep the upper airway unobstructed; it will not occupy the oral cavity, brain and other surgical parts; it will not pass through the glottis to facilitate the patient's pronunciation, and will not cause leakage of the inhaled anesthetic; Convenient and accurate monitoring of end-tidal CO2 and anesthetic gas concentrations.
Description
技术领域technical field
本发明属于医疗设备技术领域，涉及一种麻醉导管，具体涉及一种可保留自主呼吸的吸入麻醉导管。The invention belongs to the technical field of medical equipment and relates to an anesthesia catheter, in particular to an inhalation anesthesia catheter capable of retaining spontaneous breathing.
背景技术Background technique
吸入麻醉药经肺通气进入体内和排除，其麻醉深度的调节较其他静脉麻醉药更为容易。吸入麻醉剂如七氟烷，具有良好的镇痛和麻醉作用，且对呼吸抑制轻，能在保留自主呼吸的情况下完成体表和四肢的手术，如前列腺电切术、子宫锥形切除术等；在辅助椎管内麻醉和神经阻滞时，可以完成腹腔镜胆囊切除、肠道肿瘤切除术等的麻醉。Inhaled anesthetics enter the body and are eliminated through pulmonary ventilation, and the adjustment of the depth of anesthesia is easier than other intravenous anesthetics. Inhalation of anesthetics such as sevoflurane has good analgesic and anesthetic effects, and has light respiratory depression, and can complete body surface and limb operations while retaining spontaneous breathing, such as prostate resection, hysterectomy, etc. ; When assisting spinal anesthesia and nerve block, it can complete laparoscopic cholecystectomy, intestinal tumor resection, etc. anesthesia.
目前常用的吸入麻醉工具主要有：面罩、喉罩和气管插管。当行颅脑手术的唤醒麻醉时，采用面罩实施吸入麻醉会因舌后坠等出现上呼吸道梗阻，而采用喉罩或气管插管则会占用患者声门使其无法说话，无法实现患者在手术中与手术医生对话的要求；此外，在行口腔小手术时，若用面罩或喉罩实施吸入麻醉就会占用手术部位，若用气管插管则会用到肌肉松弛药而无法保留患者自主呼吸；目前经鼻非气管插管的气道工具只有鼻咽通气道，但若直接采用鼻咽通气道来实施吸入麻醉，则会患者口鼻未封闭，致使患者呼出的麻醉气体会经口鼻泄漏到手术室，造成污染，而且也无法方便准确地监测呼气末CO2和麻醉气体的浓度。因此目前临床上需要一种可保留自主呼吸且能防止麻醉废气泄漏和保持上呼吸道通畅、方便准确监测呼气末CO2和麻醉气体浓度的吸入麻醉导管。The commonly used inhalational anesthesia tools mainly include face mask, laryngeal mask and endotracheal intubation. When performing wake-up anesthesia for craniocerebral surgery, using a face mask to perform inhalation anesthesia will cause upper airway obstruction due to the tongue falling behind, while using a laryngeal mask or endotracheal intubation will occupy the patient's glottis and make it impossible to speak, and it is impossible for the patient to be able to speak during the operation. The requirement to talk to the surgeon; in addition, when performing minor oral surgery, if a mask or laryngeal mask is used for inhalational anesthesia, the surgical site will be occupied, and if a tracheal intubation is used, muscle relaxants will be used, which will prevent the patient from breathing spontaneously; At present, the airway tool for nasal non-tracheal intubation is only the nasopharyngeal airway, but if the nasopharyngeal airway is directly used for inhalation anesthesia, the patient's mouth and nose will not be closed, causing the patient's exhaled anesthetic gas to leak through the mouth and nose. The operating room causes pollution, and it is impossible to conveniently and accurately monitor the concentration of end-tidal CO 2 and anesthetic gas. Therefore, there is currently a clinical need for an inhalation anesthesia catheter that can retain spontaneous breathing, prevent the leakage of anesthesia waste gas, keep the upper airway unobstructed, and facilitate and accurately monitor the concentration of end-tidal CO 2 and anesthetic gas.
发明内容Contents of the invention
本发明的目的是提供一种麻醉导管，具体提供一种可保留自主呼吸且能保持上呼吸道通畅和防止麻醉废气泄漏的吸入麻醉导管。The object of the present invention is to provide an anesthesia catheter, specifically an inhalation anesthesia catheter that can retain spontaneous breathing, keep the upper airway unobstructed and prevent leakage of anesthesia waste gas.
本发明的目的是通过采用以下技术方案来实现的：一种麻醉导管，包括鼻腔插入端和设备连接端，所述麻醉导管设置有进气管和负压吸引管。使用所述麻醉导管时，将设备连接端的呼吸机连接口和负压吸引器连接口分别连接到相应设备上，将麻醉导管鼻腔插入端经患者鼻腔插入到咽喉部(声门上1-2公分处)，不会占用口腔或颅脑等部位，且麻醉导管的鼻腔插入端端口位于声门上而不经过声门，能让患者在麻醉减浅后说话。进行吸入麻醉的过程中，患者可以保留自主呼吸，吸入由麻醉机导入的麻醉气体和氧气，呼出的CO2和麻醉废气经负压吸引管抽走，这样麻醉气体就不会泄漏到空气中污染环境；此外口腔分泌物或血液也可以被负压吸引管抽走而不会堵塞麻醉导管口或防止其进入气管。作为优选技术方案，负压吸引管的开孔位置设置在麻醉导管靠近插入端端口的外壁上；所述进气管设置在负压吸引管的管腔中，或者负压吸引管设置在进气管的外壁上。The object of the present invention is achieved by adopting the following technical solutions: an anesthesia catheter includes a nasal cavity insertion end and a device connection end, and the anesthesia catheter is provided with an air intake tube and a negative pressure suction tube. When using the anesthesia catheter, the ventilator connection port and the negative pressure suction device connection port of the equipment connection end are respectively connected to the corresponding equipment, and the nasal cavity insertion end of the anesthesia catheter is inserted into the throat (1-2 cm above the glottis) through the patient's nasal cavity place), it will not occupy the mouth or brain, and the nasal cavity insertion port of the anesthesia catheter is located on the glottis without passing through the glottis, allowing the patient to speak after the anesthesia is reduced. During inhalation anesthesia, the patient can keep breathing spontaneously, inhale the anesthesia gas and oxygen introduced by the anesthesia machine, and the exhaled CO2 and anesthesia waste gas are sucked away through the negative pressure suction tube, so that the anesthesia gas will not leak into the air and pollute Environment; In addition, oral secretions or blood can also be sucked away by the negative pressure suction tube without blocking the anesthesia catheter or preventing it from entering the trachea. As a preferred technical solution, the opening position of the negative pressure suction tube is arranged on the outer wall of the anesthesia catheter near the port of the insertion end; the air inlet tube is arranged in the lumen of the negative pressure suction tube, or the negative pressure suction tube is arranged on the outer wall.
所述麻醉导管中还设置有呼气末气体浓度监测器连接管，优选地所述呼气末气体浓度监测器连接管设置在负压吸引管的管腔中，更优选地所述呼气末气体浓度监测器连接管设置在负压吸引管管腔中进气管的外壁上。使用所述麻醉导管进行吸入麻醉时，患者呼出的CO2和麻醉气体就会经过呼气末气体浓度监测器连接管到达监测器。The anesthesia catheter is also provided with an end-tidal gas concentration monitor connecting tube, preferably the end-tidal gas concentration monitor connecting tube is arranged in the lumen of the negative pressure suction tube, more preferably the end-tidal gas concentration monitor The connecting pipe of the gas concentration monitor is arranged on the outer wall of the air intake pipe in the lumen of the negative pressure suction pipe. When the anesthesia catheter is used for inhalation anesthesia, the CO2 and anesthesia gas exhaled by the patient will reach the monitor through the end-tidal gas concentration monitor connecting tube.
所述麻醉导管上还设置有气囊和气囊导管，气囊设置在麻醉导管靠近插入端端口的外壁上，气囊导管连接在气囊上。优选地气囊为环形，所述气囊导管设置在负压吸引管的内壁上。气囊的作用主要是起支撑作用，通过气囊导管向气囊打气和排气，可以调节气囊的大小以适应不同的患者，防止下坠的舌头等咽部组织阻塞进气管开口和负压吸引管上的开孔，另外还可以阻挡口腔分泌物或血液等流入气管。The anesthesia catheter is also provided with a balloon and a balloon catheter, the balloon is arranged on the outer wall of the anesthesia catheter close to the port of the insertion end, and the balloon catheter is connected to the balloon. Preferably, the air bag is annular, and the air bag catheter is arranged on the inner wall of the negative pressure suction tube. The role of the airbag is mainly to support the airbag through the airbag catheter to inflate and exhaust the airbag. The size of the airbag can be adjusted to suit different patients, preventing the falling tongue and other pharyngeal tissues from blocking the opening of the intake pipe and the opening on the negative pressure suction tube. In addition, it can prevent oral secretions or blood from flowing into the trachea.
本发明的有益效果是：相对于现有技术，本发明能够达到以下效果：1、使用该工具实施吸入麻醉时，能够保留患者自主呼吸而无需气管插管或喉罩置入；2、行口腔或颅脑等部位的手术时，使用该工具实施吸入麻醉不会占用手术部位；3、使用该工具实施唤醒麻醉时不经过声门，能让患者在麻醉减浅后说话；4、使用该工具实施吸入麻醉时不会造成吸入麻醉剂废气向手术环境泄漏；5、使用该工具实施吸入麻醉时能够方便准确地监测呼气末CO2和麻醉气体的浓度；6、使用该工具实施吸入麻醉时能够保持上呼吸道通畅，无需置入口咽或鼻咽通气道。The beneficial effects of the present invention are: compared with the prior art, the present invention can achieve the following effects: 1. When using the tool for inhalation anesthesia, the patient can keep breathing spontaneously without tracheal intubation or laryngeal mask placement; When using this tool to perform inhalation anesthesia during operations on brain or cranium, it will not occupy the surgical site; 3. When using this tool to perform wake-up anesthesia, it does not go through the glottis, allowing the patient to speak after the anesthesia is weakened; 4. Using this tool When performing inhalation anesthesia, it will not cause the waste gas of inhalation anesthetic to leak to the operation environment; 5. When using this tool to perform inhalation anesthesia, it can conveniently and accurately monitor the concentration of end-tidal CO 2 and anesthetic gas; 6. When using this tool to perform inhalation anesthesia, it can Keep the upper airway open without placing an oropharyngeal or nasopharyngeal airway.
附图说明Description of drawings
图1是本发明的主视结构示意图。Fig. 1 is a front view structural schematic diagram of the present invention.
图2、图3和图4是图1的横截面示意图。FIG. 2 , FIG. 3 and FIG. 4 are schematic cross-sectional views of FIG. 1 .
图中：1、进气管，11、呼吸机连接口，2、负压吸引管，21、负压吸引器连接口，22、负压吸引管开孔，3、气囊，31、气囊导管，4、呼气末气体浓度监测器连接管，41、呼气末气体浓度监测器连接口，5、鼻腔插入端，6、设备连接端。In the figure: 1. Air intake tube, 11. Ventilator connection port, 2. Negative pressure suction tube, 21. Negative pressure suction device connection port, 22. Opening hole of negative pressure suction tube, 3. Air bag, 31. Air bag catheter, 4 . End-tidal gas concentration monitor connection tube, 41. End-tidal gas concentration monitor connection port, 5. Nasal cavity insertion end, 6. Equipment connection end.
具体实施方式detailed description
下面结合附图与具体实施例对本发明作进一步说明：Below in conjunction with accompanying drawing and specific embodiment the present invention will be further described:
实施例1Example 1
如图1和图2所示的麻醉导管，包括鼻腔插入端5和设备连接端6，麻醉导管设置有进气管1、负压吸引管2、呼气末气体浓度监测器连接管4、气囊3和气囊导管31。气囊3是环形的，设置在麻醉导管靠近插入端5端口的外壁上。进气管1设置在负压吸引管2的管腔中。负压吸引管2的开孔22设置在麻醉导管靠近插入端端口的外壁上。呼气末气体浓度监测器连接管4设置在负压吸引管2管腔中进气管1的外壁上。气囊导管31设置在负压吸引管2的内壁上。使用所述麻醉导管时，将设备连接端6的呼吸机连接口11、负压吸引器连接口21、呼气末气体浓度监测器连接口41和气囊导管31口分别连接到相应的设备上，将麻醉导管的鼻腔插入端5经患者鼻腔插入到咽喉部(声门上1-2公分处)。The anesthesia catheter as shown in Figure 1 and Figure 2 includes a nasal cavity insertion end 5 and a device connection end 6, and the anesthesia catheter is provided with an air intake tube 1, a negative pressure suction tube 2, an end-tidal gas concentration monitor connection tube 4, and an air bag 3 And balloon catheter 31. The air bag 3 is annular, and is arranged on the outer wall of the anesthesia catheter close to the port of the insertion end 5 . The air intake pipe 1 is arranged in the lumen of the negative pressure suction pipe 2 . The opening 22 of the negative pressure suction tube 2 is arranged on the outer wall of the anesthesia catheter close to the port of the insertion end. The end-tidal gas concentration monitor connecting tube 4 is arranged on the outer wall of the intake tube 1 in the lumen of the negative pressure suction tube 2 . The balloon catheter 31 is arranged on the inner wall of the negative pressure suction tube 2 . When using the anesthesia catheter, the ventilator connection port 11, the negative pressure suction device connection port 21, the end-tidal gas concentration monitor connection port 41 and the balloon catheter 31 port of the equipment connection end 6 are respectively connected to the corresponding equipment, Insert the nasal cavity insertion end 5 of the anesthesia catheter into the throat (1-2 cm above the glottis) through the patient's nasal cavity.
实施例2Example 2
如图1和图2所示的麻醉导管，包括鼻腔插入端5和设备连接端6，麻醉导管设置有进气管1、负压吸引管2、呼气末气体浓度监测器连接管4、气囊3和气囊导管31。气囊3是环形的，设置在麻醉导管靠近插入端5端口的外壁上。负压吸引管2设置在进气管1两侧的外壁上。负压吸引管2的开孔22设置在麻醉导管靠近插入端端口的外壁上。呼气末气体浓度监测器连接管4设置在负压吸引管2管腔中进气管1的外壁上。气囊导管31设置在负压吸引管2的内壁上。使用所述麻醉导管时，将设备连接端6的呼吸机连接口11、负压吸引器连接口21、呼气末气体浓度监测器连接口41和气囊导管31口分别连接到相应的设备上，将麻醉导管的鼻腔插入端5经患者鼻腔插入到咽喉部(声门上1-2公分处)。The anesthesia catheter as shown in Figure 1 and Figure 2 includes a nasal cavity insertion end 5 and a device connection end 6, and the anesthesia catheter is provided with an air intake tube 1, a negative pressure suction tube 2, an end-tidal gas concentration monitor connection tube 4, and an air bag 3 And balloon catheter 31. The air bag 3 is annular, and is arranged on the outer wall of the anesthesia catheter close to the port of the insertion end 5 . Negative pressure suction pipes 2 are arranged on the outer walls of both sides of the intake pipe 1 . The opening 22 of the negative pressure suction tube 2 is arranged on the outer wall of the anesthesia catheter close to the port of the insertion end. The end-tidal gas concentration monitor connecting tube 4 is arranged on the outer wall of the intake tube 1 in the lumen of the negative pressure suction tube 2 . The balloon catheter 31 is arranged on the inner wall of the negative pressure suction tube 2 . When using the anesthesia catheter, the ventilator connection port 11, the negative pressure suction device connection port 21, the end-tidal gas concentration monitor connection port 41 and the balloon catheter 31 port of the equipment connection end 6 are respectively connected to the corresponding equipment, Insert the nasal cavity insertion end 5 of the anesthesia catheter into the throat (1-2 centimeters above the glottis) through the patient's nasal cavity.
实施例3Example 3
如图1和图2所示的麻醉导管，包括鼻腔插入端5和设备连接端6，麻醉导管设置有进气管1、负压吸引管2、呼气末气体浓度监测器连接管4、气囊3和气囊导管31。气囊3是环形的，设置在麻醉导管靠近插入端5端口的外壁上。负压吸引管2设置在进气管1一侧的外壁上。负压吸引管2的开孔22设置在麻醉导管靠近插入端端口的外壁上。呼气末气体浓度监测器连接管4设置在负压吸引管2管腔中进气管1的外壁上。气囊导管31设置在负压吸引管2的内壁上。使用所述麻醉导管时，将设备连接端6的呼吸机连接口11、负压吸引器连接口21、呼气末气体浓度监测器连接口41和气囊导管31口分别连接到相应的设备上，将麻醉导管的鼻腔插入端5经患者鼻腔插入到咽喉部(声门上1-2公分处)。The anesthesia catheter as shown in Figure 1 and Figure 2 includes a nasal cavity insertion end 5 and a device connection end 6, and the anesthesia catheter is provided with an air intake tube 1, a negative pressure suction tube 2, an end-tidal gas concentration monitor connection tube 4, and an air bag 3 And balloon catheter 31. The air bag 3 is annular, and is arranged on the outer wall of the anesthesia catheter close to the port of the insertion end 5 . The negative pressure suction pipe 2 is arranged on the outer wall of the intake pipe 1 side. The opening 22 of the negative pressure suction tube 2 is arranged on the outer wall of the anesthesia catheter close to the port of the insertion end. The end-tidal gas concentration monitor connecting tube 4 is arranged on the outer wall of the intake tube 1 in the lumen of the negative pressure suction tube 2 . The balloon catheter 31 is arranged on the inner wall of the negative pressure suction tube 2 . When using the anesthesia catheter, the ventilator connection port 11, the negative pressure suction device connection port 21, the end-tidal gas concentration monitor connection port 41 and the balloon catheter 31 port of the equipment connection end 6 are respectively connected to the corresponding equipment, Insert the nasal cavity insertion end 5 of the anesthesia catheter into the throat (1-2 cm above the glottis) through the patient's nasal cavity.
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| CN107823767A (en) * | 2017-11-29 | 2018-03-23 | 天津市塑料研究所有限公司 | The classic laryngeal mask respiratory system of zero dead space |
| CN108175684A (en) * | 2017-12-05 | 2018-06-19 | 张罗 | Sinus irrigator and nasal surgery equipment |
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| CN108175684A (en) * | 2017-12-05 | 2018-06-19 | 张罗 | Sinus irrigator and nasal surgery equipment |
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