Have and attract and the endotracheal tube of pre-washing function
Technical field
This utility model relates to technical field of medical equipment, is specifically related to a kind of gas having and attracting and rinse two functions
Pipe conduit.
Background technology
Endotracheal intubation refers to, by special endotracheal tube, be inserted in patient's trachea by oral cavity or nasal cavity.It is a kind of
Endotracheal anesthesia and the technology given emergency treatment to a patient, be also to maintain the reliable means that upper respiratory tract is unobstructed.Trachea or bronchus interpolation
Pipe is the safety measure implementing anesthesia.
Therefore, in current clinical anesthesia operation (especially under general anesthesia state), operation consent needs to set up artificial airway,
Carry out the airway management in art.After endotracheal tube has intubated, need to the airbag aeration of endotracheal tube, make endotracheal tube solid
Within gas main, prevent the movement of endotracheal tube and injured patient's trachea.But owing to depth of anesthesia is inadequate, cholinolytic in art
Many factors such as drug use is insufficient, associative operation stimulation, the most inevitably cause trachea above closed airbag
Air flue stores a large amount of from oropharynx, the reflux thing (as shown in Figure 1) of the secretions even gastric of air flue mucosa.Particularly in emergency treatment
In operation process, owing to patient does not carries out pre-operative anxiety, it is more easy to that gastric reflux thing occurs.
But, existing endotracheal tube, owing between endotracheal tube wall and tracheal wall, space is narrow and small, it is difficult to uses suction pump
Sputum aspirator tube carry out attracting operation, so substantial amounts of secretions, reflux thing are difficult to be removed thoroughly, just big above air bag
Quantity set gathers.Postoperative, when carrying out Tracheal extubation, in the moment (as shown in Figure 2) that air bag deflation is shrivelled, originally above air bag
The a large amount of reflux things from pars oralis pharyngis, the secretions of air flue and gastric gathered, owing to action of gravity is along endotracheal tube
Gap between airbag wall and tracheal wall, enters in lung tissue along air flue, causes the infection that lung tissue is serious, affect operation in patients
Rear rehabilitation, more severe patient even jeopardize patient vitals.
Summary of the invention
For solve above-mentioned technical problem, the purpose of this utility model is: provide a kind of can not only attract air flue in
Secretions and reflux thing, additionally it is possible to the endotracheal tube that air flue is rinsed, thus reduce the infection chance of patient lungs's tissue,
Improve postoperative rehabilitation rate.
For achieving the above object, this utility model be the technical scheme is that
A kind of have the endotracheal tube attracted with pre-washing function, including outer tube, inner tube and tube core, described outer tube and inner tube
Upper end connect, said inner tube inwall formed inner chamber, between said inner tube outer wall and outer tube wall formed exocoel, described outer tube exists
The lower end laminating shape of the suction tube connected with exocoel, the inwall of described outer tube and the outer wall of inner tube it is provided with near the side of upper end
Becoming single-chamber body, the outer wall of described single-chamber body is arranged with air bag, and the monosymmetric of described outer tube is respectively provided with an outer tube wall
Side cut hole, each outer tube wall side cut hole is positioned at the top of described air bag and adjacent with air bag, and described exocoel passes through described outer tube wall
Side cut hole connects with air flue.
Described having attracts and the endotracheal tube of pre-washing function, also includes that airbag inflation pipe is for filling to described air bag
Gas.
Described having attracts and the endotracheal tube of pre-washing function, and described outer tube wall side cut hole is rectangle.
Described having attracts and the endotracheal tube of pre-washing function, is enclosed with hard at the bore edges of described outer tube wall side cut hole
Matter frame, the hardness of described hard frame is more than the hardness of described outer tube.
Described having attracts and the endotracheal tube of pre-washing function, and described outer tube is by the plastic with hardness and toughness
Make.
Described having attracts and the endotracheal tube of pre-washing function, and said inner tube can be radially contracted.
Described having attracts and the endotracheal tube of pre-washing function, and described suction tube lid is closed.
Described having attracts and the endotracheal tube of pre-washing function, and described tube core is placed in the inner chamber of said inner tube, described
The upper end of tube core is provided with interface for connecting ventilator.
Described having attracts and the endotracheal tube of pre-washing function, and described tube core is solid with the upper end of described outer tube by buckle
Fixed.
Described having attracts and the endotracheal tube of pre-washing function, and described tube core is by the plastic with hardness and toughness
Make.
Compared with prior art, the utility model has the advantage of of technique scheme is used: this utility model is at pipe
After core is extracted, owing to the upper end of outer tube is provided with the suction tube connected with exocoel, and owing to inner tube has retractility so that exocoel has
The sputum aspirator tube having enough space suction pumps inserts outer intracavity and carries out vacuuming operation;Secretions is constantly collected at expansion gas
In space above capsule and in " pocket " shape, air bag coordinates the outer tube wall side cut hole above air bag simultaneously so that sputum aspirator tube is more convenient
And suctioning secretions continuously, until aspirate;Additionally, this utility model is rectangle the outer tube wall side cut hole of shape
Bore edges at be enclosed with hard frame, to prevent from being pressed off by hydrops around.
Accompanying drawing explanation
Structural representation when Fig. 1 is existing endotracheal tube air bag expansion;
Structural representation when Fig. 2 is the contraction of existing endotracheal tube air bag;
Fig. 3 is this utility model outer tube, inner tube and air bag structural representation;
Fig. 4 is the structural representation of this utility model tube core;
Fig. 5 is the structural representation after this utility model extracts tube core;
Fig. 6 is the structural representation after this utility model internal tube shrinks;
Fig. 7 is the structural representation that this utility model inserts sputum aspirator tube;
Fig. 8 is the structural representation of this utility model sputum aspirator tube suctioning secretions.
Description of reference numerals: 1-outer tube;11-suction tube;12-lid;2-inner tube;3-tube core;31-interface;4-inner chamber;5-
Exocoel;6-single-chamber body;7-air bag;8-outer tube wall side cut hole;9-airbag inflation pipe;10-secretions;13-sputum aspirator tube.
Detailed description of the invention
Following example are used for illustrating this utility model, but are not limited to scope of the present utility model.
This utility model is a kind of endotracheal tube having and attracting with pre-washing function, as shown in Figure 3 and Figure 4, including outer tube
1, inner tube 2 and tube core 3, is connected from the figure 3, it may be seen that outer tube 1 is fixing with the upper end of inner tube 2, and meanwhile, inner tube 2 inwall is around formation
Inner chamber 4, the upper end of inner chamber 4 have opening and and ft connection, tube core 3 by inner chamber 4 opening insert inner chamber 4 be patient ventilation;
Forming exocoel 5 between inner tube 2 outer wall and outer tube 1 inwall, outer tube 1 is provided with and taking out that exocoel 5 connects in the side near upper end
Suction pipe 11, suction tube 11 closes with lid 12 when not in use, the lower end laminating of the inwall of outer tube 1 and the outer wall of inner tube 2
Formed single-chamber body 6, the outer wall of single-chamber body 6 is arranged with air bag 7, this utility model also include an airbag inflation pipe 9 for
Inflating to air bag 7, the monosymmetric of outer tube 1 is respectively provided with an outer tube wall side cut hole 8, and outer tube wall side cut hole 8 is rectangle, long
Squared design is easy to the secretions above air bag 7 can be well in exocoel 5, and each outer tube wall side cut hole 8 is positioned at air bag 7
Top, and the connecting with air bag 7 of outer tube wall side cut hole 8, exocoel 5 is connected with air flue by outer tube wall side cut hole 8;Outer tube wall
Being enclosed with hard frame at the bore edges of side cut hole 8, the hardness of hard frame is more than the hardness of outer tube 1, to prevent by surrounding
Secretions is pressed off.
Outer tube 1 is made up of the plastic with certain degree of hardness and toughness, meanwhile, and the suitable size of outer tube 1 wall side cut hole,
To avoid suction pump sputum aspirator tube 13 to be stabbed tracheal mucosa by outer tube wall side cut hole 8.After extracting tube core 3, the sputum aspirator tube of suction pump
13 can enter exocoel 5 by suction tube 11, are aspirated by outer tube wall side cut hole 8 and assemble the secretion in " pocket " shape above air bag 7
Thing or reflux thing.
Inner tube 2 can be radially contracted, therefore has good toughness and less hardness, and tube wall is relatively thin, it is easy to subside.
Tube core 3 is placed in the inner chamber 4 of inner tube 2, and the upper end of tube core 3 is provided with interface 31 for connecting ventilator.Tube core 3 is by having
The plastic having certain degree of hardness and toughness is made, and for main airway, tube core 3 is fixed by the upper end of buckle with outer tube 1
Together.Ventilator connects tube core 3 by the joint of tube core 3, is not connected with outer tube 1, inner tube 2, therefore can entirety take off.
During tube drawing, taking off tube core 3 and make the inner chamber 4 of inner tube 2 subside, inner chamber 4 space diminishes, and exocoel 5 space becomes big, thus increases exocoel
5 working places, it is simple to the sputum aspirator tube 13 of suction pump enters exocoel 5 and carries out vacuuming operation.
By above technical characteristic, this utility model operating process in use is herein below:
(1) conventional cannula flow process, the interface of tube core 3 is connected ventilator (not shown), and (is not shown in figure by buckle
Show) it is fixed on outer tube 1 upper end, in art, with tube core 3 as airway, operate in can carrying out, by tube core 3, the pipe being correlated with;
(2) during postoperative anesthesia tube drawing, first extracting the tube core 3 in inner tube 2 inner chamber 4, inner tube 2 is shunk, the sputum aspirator tube of suction pump
13 enter in exocoel 5 by suction tube 11, aspirate the secretions above air bag 7 by outer tube wall side cut hole 8, after suction,
Extract outer tube 1;
(3) when of necessary can saline injection flushing reflux thing in air flue in the past, then aspirate, in order to can aspirate
Totally.
Therefore, from above content, the utility model has the advantage of:
This utility model is after tube core 3 is extracted, owing to the upper end of outer tube 1 wall is provided with the suction tube 11 connected with exocoel 5, and
Owing to inner tube 2 has retractility so that exocoel 5 has in the sputum aspirator tube 13 of enough space suction pumps inserts exocoel 5
Row vacuuming operation;Secretions is constantly collected in the space above expanded balloon 7 and in " pocket " shape, air bag 7 coordinates gas simultaneously
Outer tube wall side cut hole 8 above capsule 7 so that sputum aspirator tube 13 is more convenient and suctioning secretions continuously, until having aspirated is
Only;Additionally, be enclosed with hard frame at the bore edges of this utility model outer tube wall side cut hole 8 of being rectangle shape, with prevent by
Around hydrops is pressed off.
Although, the most with general explanation and specific embodiment, this utility model is made detailed description, but
On the basis of this utility model, can make some modifications or improvements it, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from this utility model spirit, belong to this utility model and want
Seek the scope of protection.