CN106620998A - Tracheal intubation needle for mouse and tracheal intubation method for mouse - Google Patents

Tracheal intubation needle for mouse and tracheal intubation method for mouse Download PDF

Info

Publication number
CN106620998A
CN106620998A CN201610996557.4A CN201610996557A CN106620998A CN 106620998 A CN106620998 A CN 106620998A CN 201610996557 A CN201610996557 A CN 201610996557A CN 106620998 A CN106620998 A CN 106620998A
Authority
CN
China
Prior art keywords
mouse
trachea cannula
pintle
needle
pin
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
CN201610996557.4A
Other languages
Chinese (zh)
Inventor
徐兴祥
代小勤
杨俊俊
胡腾惠
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
Application filed by Individual filed Critical Individual
Priority to CN201610996557.4A priority Critical patent/CN106620998A/en
Publication of CN106620998A publication Critical patent/CN106620998A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0102Insertion or introduction using an inner stiffening member, e.g. stylet or push-rod
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Emergency Medicine (AREA)
  • Biophysics (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention relates to a tracheal intubation needle for a mouse and a tracheal intubation method for a mouse. Firstly, the tracheal intubation needle for the mouse is made, normal saline is injected into a transparent pintle on the tracheal intubation needle for the mouse to form visible liquid level in the transparent pintle, then the mouse is anesthetized after being fixed at a supine position, the neck of the mouse is irradiated with a cold lamp source, then the tongue of the mouse is clamped by using a pair of tweezers, outward traction is conducted on the tongue of the mouse, and the lower jaw of the mouse is supported; then, the tracheal intubation needle used for the mouse and forming the liquid level in the transparent pintle is inserted into the trachea, the liquid level at the pintle of the tracheal intubation needle for the mouse vertically fluctuates with the respiratory frequency of the mouse, and if the frequencies of the two parts are consistent, it is indicated that the tracheal intubation needle is correctly inserted into the trachea. The tracheal intubation needle has the advantages that the tracheal intubation needle is simple and ingenious in design and easy to manufacture, and materials are convenient to obtain; the needle is ingenious in principle and utilizes the principle that the liquid level in the closed airway easily and vertically fluctuates with respiration; intubation is performed from the mouth of the mouse without postoperative complications, and the tracheal intubation needle is safe, reliable and high in success rate.

Description

A kind of mouse trachea cannula pin and to mouse trachea cannula method
Technical field
The present invention relates to a kind of mouse trachea cannula pin and to mouse trachea cannula method, belongs to medical experiment technology neck Domain.
Background technology
In the genome times afterwards comprehensively, mouse becomes one of requisite conventional animal in modern medicine test.Mouse is to grind Study carefully disease mechanism and determine the relatively good tool of the validity that therapeutic scheme, checking new compound and medicine are denoted as, existing For occupying the status that becomes more and more important in medical research.Trachea cannula is open chest surgery, respiratory function detection, pulmonary administration, animal Committed step during model and disease research.Tracheae is carried out more than the past researcher using direct oral cavity or operation tracheotomy to insert Pipe, because the special anatomical structure of murine oral, particularly lower jaw can not be fully opened, it is impossible to which tracheostomy is looked at straight by oral cavity, Direct oral cavity is set directly to acquire a certain degree of difficulty as trachea cannula, success rate is extremely low, and in order to detect whether to insert tracheal strips, multiplex breathing Machine detected, this adds increased experiment fees budget.This method of underwent operative tracheostomy tube is although easy to operate, but is A kind of invasive operation, injures larger to mouse body, the sterility when size of otch, the degree of tissue damage, operation And it is postoperative whether infect the recovery that can all affect postoperative mouse body, and mouse is difficult to tolerate Repeated Operation, experiment Poor repeatability, mouse survival rate is low, and only 35% ~ 45%.And some strike DNA rat and particular module mouse is expensive, death is not Economic loss can be only caused, experiment process is affected, serious sense of defeat can be caused when serious to experimenter, or even body and mind can be caused Health problem.
The content of the invention
The purpose of the present invention is aiming at above-mentioned problems of the prior art, there is provided a kind of new without the need for special installation And the mouse trachea cannula pin that can complete of position, one man operation and to mouse trachea cannula method.
The object of the present invention is achieved like this, a kind of mouse trachea cannula pin, including cannula needle, pintle, it is characterized in that, The front end bending of the cannula needle, forms bend, and the front end bend of cannula needle is cased with protecting mouse tracheae in tracheae The flexible pipe damaged from cannula needle when cannula needle is inserted;The pintle is nonmetallic transparent pintle.
The pintle is polypropylene pintle.
The flexible pipe is 1-1.5cm sterile blood samplings flexible pipe or Vein Tube flexible pipe for length.
One kind is directed to mouse trachea cannula method using mouse trachea cannula, it is characterized in that, comprises the following steps:
Step(1), prepare trachea cannula pin;
A, 1 injection needle is taken, the pintle of injection needle is nonmetallic transparent pintle;
B, the needle point of injection needle is cut off, and injection needle front end is pressed from both sides into curved, injection needle front end forms injection needle bend;
C, flexible pipe is taken, and flexible pipe is pulled into the diameter matched with injection needle by the flame of aseptic alcolhol burner, then cut one The flexible pipe of segment length 1-1.5cm, by the Hose Jacket of 1-1.5cm in the front end of injection needle bend, to protect mouse tracheae in gas Damage from cannula needle when cannula pin is inserted, complete the preparation of trachea cannula pin;
Step(2), with syringe to step(1)Saline injection in the transparent pintle on trachea cannula pin for preparing, directly Form visible liquid to transparent pintle to put down;
Step(3), will mouse dorsal position fix after anaesthetize, with cold lamp source irradiate mouse neck, then clamp mouse with pincet Tongue, the tongue of mouse is drawn outward, by mouse lower jaw hold up, looking in from mouse oral area can see mouse epiglottis portion one There is a bright point Zhang Yihe, centre, that is, the entrance of tracheae;
Step(4), by step(2)The flat trachea cannula pin of liquid, the oral cavity of Jing mouse, epiglottis, glottis are formed with transparent pintle Into tracheae, if insertion tracheae, the liquid at trachea cannula pin pintle is flat will up and down to fluctuate with mouse breathing frequency, and the two frequency Unanimously, that is, represent that trachea cannula pin is correctly inserted into tracheal strips, and animal respirator interface can be connected to the pintle of trachea cannula pin On, or injection Experimental agents are tested in trachea cannula pin;
If trachea cannula pin is inserted in oesophagus or stomach, liquid is flat at pintle will not up and down fluctuate with mouse respiratory rate, or only light Microwave is moved, and can be extracted on trachea cannula pin, reinsert mouse tracheae until liquid at trachea cannula pin pintle is flat will be with mouse Respiratory rate fluctuates up and down, and the two frequency is consistent, and trachea cannula pin is correctly inserted into tracheal strips.
Step(1)In, the pintle is polypropylene pintle.
Step(1)In, the scissors cuts off at the needle point of injection needle.
Step(1)In, the injection needle front end is curved with hemostasis clamp.
Step(1)In, the flexible pipe is sterile blood sampling flexible pipe or Vein Tube flexible pipe.
Step(2)In, the syringe is 5mL syringes.
The advanced science of the inventive method, the beneficial effects of the present invention is:
1st, design simple exquisite, draw materials conveniently, it is easy to make.When making, it is only necessary to which it is nonmetallic transparent pintle to take pintle Injection needle, then cuts off at the needle point of injection needle, and injection needle front end is pressed from both sides into bending into injection needle bend, then in bend The flexible pipe of 1-1.5cm is put, flexible pipe can be sterile blood sampling flexible pipe or Vein Tube flexible pipe.Either injection needle or flexible pipe, These are all very common things, convenient to make conveniently so as to draw materials easily.
2nd, principle is ingenious, and fluctuated up and down the principle being easy to using liquid level in closure air flue with breathing.That is, mouse trachea cannula Pin, the oral cavity of Jing mouse, epiglottis, glottis enter tracheae, if insertion tracheae, the liquid at mouse trachea cannula pin pintle is flat will be with little Mouse respiratory rate fluctuates up and down, and the two frequency is consistent, that is, represent that mouse trachea cannula pin is correctly inserted into tracheal strips, can move Thing lung ventilator interface is connected on the pintle of mouse trachea cannula pin, or injection Experimental agents carry out reality in mouse trachea cannula pin Test.
3rd, Jing murine orals intubation, safe and reliable without postoperative complications, success rate is high.
Description of the drawings
Fig. 1 is the structural representation of mouse trachea cannula pin of the present invention.
In figure:1 cannula needle, 2 pintles, 3 bends, 4 flexible pipes.
Specific embodiment
With reference to specific embodiment, the present invention is expanded on further.
The present embodiment includes following operation:
First, the making of mouse trachea cannula pin.
1st, No. nine injection needles are taken(The model of pin can be determined according to mouse size)1, but pintle(Injection needle is connected with syringe Place)Must be nonmetallic materials, and it is transparent, the present embodiment selects polypropylene pintle.
2nd, injection needle needle point is cut off with scissors, and injection needle leading portion is curved with hemostasis clamp, and its crooked radian is adapted to little The physiological anatomic architecture of mouse bottleneck throat and tracheae.
3rd, one section of sterile blood sampling flexible pipe or Vein Tube flexible pipe are taken, diameter is pulled into by the flame of aseptic alcolhol burner with injection Pin is correspondingly sized, cuts the flexible pipe of one section of long 1-1.5cm, is enclosed within the leading portion of injection needle bend, to protect mouse trachea cannula When from metal needle(Mouse trachea cannula pin)Damage.
4th, a small amount of physiological saline is injected in transparent pintle with 5mL syringes so as to form visible liquid and put down, it is stand-by.
2nd, trachea cannula step.
1st, will anaesthetize after the fixation of mouse dorsal position, with cold lamp source mouse neck is irradiated, then right hand pincet clamps tongue Head draws outward, and left hand holds up lower jaw with special instrument, and looking in from mouse oral area can see the conjunction of one, mouse epiglottis portion, There is a bright point centre, that is, the entrance of tracheae.
2nd, off-the-shelf mouse trachea cannula pin is taken(Transparent pintle is formed with the flat trachea cannula pin of visible liquid), orally Chamber, epiglottis, glottis enter tracheae, if insertion tracheae, the liquid at trachea cannula pin pintle is flat will be with the upper and lower ripple of mouse breathing frequency It is dynamic, and the two frequency is consistent, and animal respirator interface can be connected on the pintle of mouse trachea cannula pin, or to mouse tracheae Inject Experimental agents in cannula needle to be tested.If in insertion oesophagus or stomach, liquid is flat at pintle will not be with mouse breathing frequency Fluctuate up and down, or only slight fluctuations, can extract, again intubation is until success, will mouse trachea cannula pin reinsert it is little Mouse tracheae will up and down fluctuate up to the liquid at mouse trachea cannula pin pintle is flat with mouse breathing frequency, and the two frequency is consistent, Mouse trachea cannula pin is correctly inserted into tracheal strips.
3rd, dissect and confirm.
Treating that the liquid at trachea cannula pin pintle is flat will up and down fluctuate with mouse breathing frequency, and the two frequency is consistent, then recognize For mouse trachea cannula pin insert mouse tracheae success, now, it was demonstrated that if can with syringe Jing mouse trachea cannula pins to The mouse trachea cannula pin place of inserting injection 2mL methylene blues in mouse, then dissect mouse, by methylene blue in tracheae and lung(It is beautiful It is blue successfully to inject in tracheae and lung), this may certify that treat that liquid at trachea cannula pin pintle is flat will be with mouse breathing frequency Lower fluctuation, and the two frequency is consistent, then mouse trachea cannula pin insertion mouse tracheae success;Such as, liquid is flat at pintle will not be with mouse Respiratory rate fluctuates up and down, or only slight fluctuations, then it is assumed that mouse trachea cannula pin is not inserted into mouse tracheae, trachea cannula Pin insertion be in oesophagus or stomach, now, it was demonstrated that if can with syringe Jing mouse trachea cannula pins to the mouse in mouse 2mL methylene blues are injected at the trachea cannula pin place of inserting, and mouse are then dissected, by methylene blue in oesophagus or stomach(Methylene blue injection is food In pipe or stomach).

Claims (9)

1. a kind of mouse trachea cannula pin, including cannula needle(1), pintle(2), it is characterized in that, the cannula needle(1)Front end it is curved Song, forms bend(3), cannula needle(1)Front end bend(3)It is cased with protecting mouse tracheae to insert in trachea cannula pin When from cannula needle(1)The flexible pipe of damage(4);The pintle(2)For nonmetallic transparent pintle.
2. a kind of mouse trachea cannula pin according to claim 1, is characterized in that, the pintle(2)For polypropylene pintle.
3. a kind of mouse trachea cannula pin according to claim 1, is characterized in that, the flexible pipe(4)It is 1- for length 1.5cm sterile blood samplings flexible pipe or Vein Tube flexible pipe.
4. it is a kind of to be directed to mouse trachea cannula method using mouse trachea cannula, it is characterized in that, comprise the following steps:
Step(1), prepare trachea cannula pin;
A, 1 injection needle is taken, the pintle of injection needle is nonmetallic transparent pintle;
B, the needle point of injection needle is cut off, and injection needle front end is pressed from both sides into curved, injection needle front end forms injection needle bend;
C, flexible pipe is taken, and flexible pipe is pulled into the diameter matched with injection needle by the flame of aseptic alcolhol burner, then cut one The flexible pipe of segment length 1-1.5cm, by the Hose Jacket of 1-1.5cm in the front end of injection needle bend, to protect mouse tracheae in gas Damage from cannula needle when cannula pin is inserted, complete the preparation of mouse trachea cannula pin;
Step(2), with syringe to step(1)Physiology salt is injected in the transparent pintle on mouse trachea cannula pin for preparing Water, until visible liquid is formed in transparent pintle putting down;
Step(3), will mouse dorsal position fix after anaesthetize, with cold lamp source irradiate mouse neck, then clamp mouse with pincet Tongue, the tongue of mouse is drawn outward, by mouse lower jaw hold up, looking in from mouse oral area can see mouse epiglottis portion one There is a bright point Zhang Yihe, centre, that is, the entrance of tracheae;
Step(4), by step(2)Be formed with the flat mouse trachea cannula pin of liquid in transparent pintle, the oral cavity of Jing mouse, epiglottis, Glottis enters tracheae, if insertion tracheae, the liquid at mouse trachea cannula pin pintle is flat will up and down to fluctuate with mouse breathing frequency, and The two frequency is consistent, that is, represent that mouse trachea cannula pin is correctly inserted into tracheal strips, animal respirator interface can be connected into mouse On the pintle of trachea cannula pin, or injection Experimental agents are tested in mouse trachea cannula pin;
If mouse trachea cannula pin is inserted in oesophagus or stomach, liquid is flat at pintle will not up and down fluctuate with mouse respiratory rate, or only There are slight fluctuations, mouse trachea cannula pin can be extracted, reinsert mouse tracheae until at mouse trachea cannula pin pintle Liquid is flat will up and down to fluctuate with mouse breathing frequency, and the two frequency is consistent, and mouse trachea cannula pin is correctly inserted into tracheal strips.
5. one kind according to claim 4 is directed to mouse trachea cannula method using mouse trachea cannula, it is characterized in that, walks Suddenly(1)In, the pintle is polypropylene pintle.
6. one kind according to claim 4 is directed to mouse trachea cannula method using mouse trachea cannula, it is characterized in that, walks Suddenly(1)In, the scissors cuts off at the needle point of injection needle.
7. one kind according to claim 4 is directed to mouse trachea cannula method using mouse trachea cannula, it is characterized in that, walks Suddenly(1)In, the injection needle front end is curved with hemostasis clamp.
8. one kind according to claim 4 is directed to mouse trachea cannula method using mouse trachea cannula, it is characterized in that, walks Suddenly(1)In, the flexible pipe is sterile blood sampling flexible pipe or Vein Tube flexible pipe.
9. one kind according to claim 4 is directed to mouse trachea cannula method using mouse trachea cannula, it is characterized in that, walks Suddenly(2)In, the syringe is 5mL syringes.
CN201610996557.4A 2016-11-13 2016-11-13 Tracheal intubation needle for mouse and tracheal intubation method for mouse Pending CN106620998A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610996557.4A CN106620998A (en) 2016-11-13 2016-11-13 Tracheal intubation needle for mouse and tracheal intubation method for mouse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610996557.4A CN106620998A (en) 2016-11-13 2016-11-13 Tracheal intubation needle for mouse and tracheal intubation method for mouse

Publications (1)

Publication Number Publication Date
CN106620998A true CN106620998A (en) 2017-05-10

Family

ID=58805535

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610996557.4A Pending CN106620998A (en) 2016-11-13 2016-11-13 Tracheal intubation needle for mouse and tracheal intubation method for mouse

Country Status (1)

Country Link
CN (1) CN106620998A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109452987A (en) * 2019-01-03 2019-03-12 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 One kind being used for mouse tracheal cannula experimental facility
CN110559102A (en) * 2019-08-30 2019-12-13 南华大学 Rat non-exposure type tracheal instillation method
CN110624164A (en) * 2018-06-24 2019-12-31 吴庆景 Preparation and use of rat trachea cannula equipment
CN112126660A (en) * 2020-09-28 2020-12-25 新疆医科大学第一附属医院 Preparation method of animal model with high expression of gene transfected in lung tissue through intratracheal way
CN112998899A (en) * 2021-02-20 2021-06-22 中国人民解放军陆军军医大学 Experimental animal trachea instillator
CN113876457A (en) * 2021-09-23 2022-01-04 安徽理工大学 Economical, quantitative and noninvasive method for establishing mouse model for occupational disease of pulmonary fibrosis caused by silicon dust and preparation device
CN116712205A (en) * 2023-06-20 2023-09-08 中南大学湘雅二医院 Tool set for preparing acute lung injury mouse model

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203154512U (en) * 2012-09-12 2013-08-28 谷欣 Lubricating-type tracheal catheter
CN203341849U (en) * 2013-06-14 2013-12-18 中国人民解放军第四军医大学 Mouse oral trachea cannula

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203154512U (en) * 2012-09-12 2013-08-28 谷欣 Lubricating-type tracheal catheter
CN203341849U (en) * 2013-06-14 2013-12-18 中国人民解放军第四军医大学 Mouse oral trachea cannula

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
叶明霞等: "《实验 管理 创新》", 30 April 2013 *
李亚辉,何建国: "直视下性大鼠气管插管的改良方法", 《中国实验动物学杂志》 *
贾晓峰等: "改进型快速小鼠气管滴注法-透射灯下经口直视滴注法研究", 《环境与健康杂志》 *
龚勇泉,李劲松等: "直视下大鼠气管插管方法的应用研究", 《华中医学杂志》 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110624164A (en) * 2018-06-24 2019-12-31 吴庆景 Preparation and use of rat trachea cannula equipment
CN109452987A (en) * 2019-01-03 2019-03-12 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 One kind being used for mouse tracheal cannula experimental facility
CN109452987B (en) * 2019-01-03 2020-09-01 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 Be used for mouse trachea cannula experimental apparatus
CN110559102A (en) * 2019-08-30 2019-12-13 南华大学 Rat non-exposure type tracheal instillation method
CN112126660A (en) * 2020-09-28 2020-12-25 新疆医科大学第一附属医院 Preparation method of animal model with high expression of gene transfected in lung tissue through intratracheal way
CN112998899A (en) * 2021-02-20 2021-06-22 中国人民解放军陆军军医大学 Experimental animal trachea instillator
CN113876457A (en) * 2021-09-23 2022-01-04 安徽理工大学 Economical, quantitative and noninvasive method for establishing mouse model for occupational disease of pulmonary fibrosis caused by silicon dust and preparation device
CN116712205A (en) * 2023-06-20 2023-09-08 中南大学湘雅二医院 Tool set for preparing acute lung injury mouse model

Similar Documents

Publication Publication Date Title
CN106620998A (en) Tracheal intubation needle for mouse and tracheal intubation method for mouse
CN102553047A (en) Trachea cannula device suitable for bronchoscope operation emptysis rescue and difficult airways
CN106725988A (en) A kind of rat trachea intubation procedure and its application
CN108378907B (en) Quick puncture ventilation kit for cricothyroid membrane
Dhanda et al. Clinical comparison of I-gel supraglottic airway device and cuffed endotracheal tube for pressure-controlled ventilation during routine surgical procedures
CN207837990U (en) Branchofiberoscope guidance tracheal intubation auxiliary device
CN203971116U (en) A kind of disposable plug-type oral area trachea catheter fixator
CN201719659U (en) Laryngeal mask for operating gastroscope
Huitink et al. Awake fibrecapnic intubation: a novel technique for intubation in head and neck cancer patients with a difficult airway
CN202843571U (en) Visual ventilation intubation tube laryngoscope
Gómez-Ríos et al. Use of the Airtraq® optical laryngoscope for nasotracheal intubation in predicted difficult airway management in oral surgery
Xue et al. Use of cuff inflation to facilitate nasotracheal intubation with the Airway Scope.
CN205379340U (en) Trachea cannula pincers
Wei A new tracheal tube and methods to facilitate ventilation and placement in emergency airway management
CN209187824U (en) A kind of guide device for trachea cannula branchofiberoscope
CN202314799U (en) Fiber optic bronchoscopy type laryngeal mask airway
CN202637044U (en) Minimally invasive percutaneous dilatational tracheostomy device
CN202020724U (en) Visible sputum suction apparatus
CN201939442U (en) Percutaneous trachea cutter
CN104939945A (en) Endotracheal intubation tool
CN201905970U (en) Percutaneous tracheostomy device
CN206730241U (en) Optical check tracheal catheter
CN204839824U (en) Trachea cannula instrument
Howes et al. Unusual case of guide wire traverse of endotracheal tube cuff during percutaneous tracheostomy
Imashuku et al. Nasotracheal intubation using the Airway Scope and an Endotrol tracheal tube.

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170510