CN202777361U

CN202777361U - Improved trachea cannula

Info

Publication number: CN202777361U
Application number: CN 201220332578
Authority: CN
Inventors: 王培宗
Original assignee: First Affiliated Hospital of Guangzhou University of Chinese Medicine
Current assignee: First Affiliated Hospital of Guangzhou University of Chinese Medicine
Priority date: 2012-07-10
Filing date: 2012-07-10
Publication date: 2013-03-13
Anticipated expiration: 2022-07-10

Abstract

The utility model relates to an instrument which affects a respiratory system of a patient through a gas treatment method, in particular to an improved trachea cannula which comprises a ventilation hose (1). A ball-shaped air bag (5) is arranged on the outer wall on the front portion of the ventilation hose (1). A pipe connector (8) which is connected with a breathing machine or an anaesthesia machine is arranged at the back end of the ventilation hose (1). A metal wire spiral spring (9) is arranged inside the pipe wall of the ventilation hose (1). The ball-shaped air bag (5) is connected with an air inflation connector (7) through an air inflation pipe (6). The improved trachea cannula is characterized in that the metal wire spiral spring (9) extends from the root portion of the pipe connector (8) along the inner portion of the pipe wall of the ventilation hose (1) to a position, and the distance between the position and the front end of the ventilation hose (1) is 6-8 cm. The safety of the improved trachea cannula and the convenience for surgical operation are very obvious.

Description

A kind of improved trachea cannula

Technical field

This utility model relates to a kind ofly affects the apparatus of patient respiration system with gas treating process, is specifically related to a kind of trachea intubate.

Background technology

Tracheal intubation commonly used mainly is comprised of a steam hose, the spherical envelope that is located at close steam hose tip and the gas tube that is communicated with spherical envelope clinically, is the application for a patent for invention of CN 1250387A such as publication number.During use spherical envelope is full of air, utilizes spherical envelope with patient's trachea and two lung sealing, realize artificial oxygen supply breathing or mechanical ventilation.

The plain edition tracheal intubation is made by the common polythene material, and is soft, with low cost, uses quite wide.In process of clinical application, because being easy to bending, its material softness causes the situations such as patient's hypoventilation, airway pressure rising, acute pressure injury of lung, seriously limited its application in some operation, such as department of otorhinolaryngology, the operation of spinal column section, gynecological laparoscopic operation.

Granted publication number is the utility model patent of CN 201248945Y, a kind of Enhanced type endotracheal tube is disclosed, the feature of this tracheal intubation is to have set up the tinsel helical spring in publication number is the tube wall of the described scheme of application for a patent for invention of CN 1250387A, to strengthen the rigidity of pipe, solve the too soft existing defective of pipe.But, tinsel helical spring in the above-mentioned utility model scheme by pipe joint extend to always air bag foremost (its accompanying drawing may be since air bag deposit a left side, the tinsel helical spring of air bag does not show), so that enter the patient oral cavity until the pipe of the part below the glottis is all really up to the mark, very easily cause patient airway and lung tissue pressure injury, increase postoperative airway management difficulty, be unfavorable for patient's post-operative recovery, and may face life danger.

Summary of the invention

In view of the existing deficiency of prior art, technical problem to be solved by this invention provides a kind of improved trachea cannula, and this tracheal intubation enters part softness in the glottis, and the part outside glottis then has certain rigidity, can significantly improve the safety of operation.

The present invention realizes that the technical scheme of above-mentioned purpose is:

A kind of improved trachea cannula, it comprises a steam hose, the outer wall of this steam hose front portion is provided with a spherical envelope, the rear end is provided with a pipe joint that is connected with respirator or anesthetic machine, be provided with the tinsel helical spring in the tube wall, wherein said spherical envelope is connected with inflatable interface by a gas tube, it is characterized in that, described tinsel helical spring by the root of described pipe joint along the front end 6～8cm that extends in the tube wall of steam hose apart from steam hose.

Improved trachea cannula described in the utility model, the front end of wherein said steam hose are an incomplete inclined-plane, and the tube wall of this inclined-plane far-end narrows down gradually to the center and forms the free end of a bending.Just surrender when the free end of described bending is subject to impacting and bending, therefore when intubate, can not damage patient's air flue.

Improved trachea cannula described in the utility model, the both sides of the steam hose at rear portion, wherein said incomplete inclined-plane are provided with the through hole that is communicated with steam hose relatively.Described through hole can be in steam hose provides left and right sides passage in the situation of main airway obturation, further improves the safety of operation.

Improved trachea cannula described in the utility model, since wherein tinsel helical spring by the root of described pipe joint along the front end 6～8cm that extends in the tube wall of steam hose apart from steam hose, therefore, enter tracheal intubation in patient's glottis and partly kept the flexibility of plain edition conduit, tracheal intubation part outside patient's glottis is the rigidity of reinforced conduit then, and the convenience of its safety and operation technique is very remarkable.The meaning that improved trachea cannula described in the utility model is used for the infant tracheal intubation general anesthesia is larger, can protect not easy damaged of children's's glottis, air flue, lung tissue, is conducive to its postoperative recovery from anesthesia and extubation, more can ensure its life security.

Description of drawings

Fig. 1, Fig. 2 and Fig. 3 are the structural representation of a specific embodiment of improved trachea cannula described in the utility model, and wherein, Fig. 1 is front view, and Fig. 2 is right view, and Fig. 3 is the A-A cutaway view Amplified image (blocking) of pattern.

Fig. 4 is Fig. 1, Fig. 2 and axonometric chart embodiment illustrated in fig. 3.

The specific embodiment

Referring to Fig. 1, steam hose 1 is for adopting polyethylene to make flexible pipe, and the front end of its lower left is an incomplete inclined-plane 2, and the tube wall of these inclined-plane 2 far-ends narrows down gradually to the center and forms the free end 3 of a bending; The both sides of the steam hose 1 at 2 rear portions, incomplete inclined-plane are provided with the through hole 4 that is communicated with steam hose 1 relatively; The outer wall of steam hose 1 front portion is provided with a spherical envelope 5, and this spherical envelope 5 is connected with inflatable interface 7 by a gas tube 6; The rear end of steam hose 1 is provided with a pipe joint 8 that is connected with respirator or anesthetic machine; Be provided with tinsel helical spring 9 in the tube wall of steam hose 1, this tinsel helical spring 9 by the root of described pipe joint 8 along the front end 7cm that extends in the tube wall of steam hose 1 apart from steam hose 1.

Be provided with tinsel helical spring 8 in the tube wall of steam hose 1 described in the utility model, although have certain difficulty in making, but prior art provides concrete production technology, and implementation can be 200610017554.8 the described scheme implementation of patent application with reference to application number.

The using method of improved trachea cannula described in the utility model is as described below:

After general anesthesia is induced, give patient's mask oxygen-inspiration denitrification and use the intubate equipment such as laryngoscope after 3-5 minute and fully expose glottis, steam hose 1 direct oral cavity or nasal cavity are inserted patient's air flue, and have the bottom of the front end glottis of crooked free end 3.Note this moment, do not allow the part that is provided with tinsel helical spring 9 in the tube wall cross glottis, insertion depth (above front tooth is as the criterion) adult is about 20-23 centimetre, and children's or child are 1/2 age+12 centimetre, takes over the 8 corrugated tubings ventilations that connect anesthetic machines or respirator by pipe; Then the two lungs of auscultation, observe that thorax rises and falls and (or) the end-expiratory carbon dioxide waveform, determine whether the front position of steam hose 1 suitable; When the front position of steam hose 1 is suitable, be filled with 5-10 milliliter air by gas cell 5, transfer anesthetic machine to machine control pattern, perhaps regulate the parameters such as respirator pattern, adjust simultaneously oxygen flow, tidal volume, respiratory frequency and inhalation anesthesia concentration or breathing pattern, place immobilization with adhesive tape behind the bite-block, whether with fixing frame for threaded pipe retaining thread pipe, it is normal to observe various ventilation indexs.Need to attract oral cavity or air flue endocrine then to need to disconnect the connection tube part in the art in postoperative or the therapeutic process, insert sputum aspirator tube and fully attract rear continuation to connect, but a pull up time is advisable to be no more than for 10 seconds.Art finishes treats that the patient recovers autonomous respiration; Clear consciousness; the throat guarding reflex; muscular tension recovers fully; can extubation; mask oxygen-inspiration; observe patient's blood pressure; heart rate; whether amplitude of respiration and frequency etc. be in normal range; whether there are the problems such as glottic edema and affect patient respiratory; further cause anoxia; the situations such as carbon dioxide accumulation occur; blood oxygen saturation can maintain more than 90% when guaranteeing patient's suck; continue to observe 15-30 minute; if patient's vital sign steadily can send and return the ward, continue monitoring in 24 hours; the treatments such as nasal tube oxygen inhalation.

Claims

1. improved trachea cannula, it comprises a steam hose (1), the anterior outer wall of this steam hose (1) is provided with a spherical envelope (5), the rear end is provided with a pipe joint (8) that is connected with respirator or anesthetic machine, be provided with tinsel helical spring (9) in the tube wall, wherein said spherical envelope (5) is connected with inflatable interface (7) by a gas tube (6), it is characterized in that, described tinsel helical spring (9) by the root of described pipe joint (8) along front end 6～8 ㎝ that extend in the tube wall of steam hose (1) apart from steam hose (1).

2. a kind of improved trachea cannula according to claim 1 is characterized in that, the front end of described steam hose (1) is an incomplete inclined-plane (2), and the tube wall of this inclined-plane (2) far-end narrows down gradually to the center and forms the free end (3) of a bending.

3. a kind of improved trachea cannula according to claim 2 is characterized in that, the both sides of the steam hose (1) at rear portion, described incomplete inclined-plane (2) are provided with the through hole (4) that is communicated with steam hose (1) relatively.