CN203291346U - Auxiliary tube for endotracheal intubation - Google Patents
Auxiliary tube for endotracheal intubation Download PDFInfo
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- CN203291346U CN203291346U CN201320280824XU CN201320280824U CN203291346U CN 203291346 U CN203291346 U CN 203291346U CN 201320280824X U CN201320280824X U CN 201320280824XU CN 201320280824 U CN201320280824 U CN 201320280824U CN 203291346 U CN203291346 U CN 203291346U
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- hollow conduit
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- auxiliary tube
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- endotracheal intubation
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Abstract
The utility model discloses an auxiliary tube for endotracheal intubation. The auxiliary tube comprises a hollow guide tube, wherein one end of the hollow guide tube is closed, the other end of the hollow guide tube is also closed or provided with a structure capable of being closed, an air bag wraps the front end of the hollow guide tube, an air hole is formed in the portion, in the air bag, of the hollow guide tube, an inflating and deflating structure is arranged at the rear end of the hollow guide tube, and the inflating and deflating structure inflates or deflates the air bag. After the air bag of the auxiliary tube is inflated with a certain amount of air, the auxiliary tube can reach the throat through the nasal passage of a patient without obvious resistance, and therefore the narrowest place of the nasal passage of the patient can be determined and an endotracheal tube which passes the nose and is similar to the air bag of the auxiliary tube in outer diameter is selected. If necessary, the bending degree of the front end of the auxiliary tube can be adjusted by towing a towing ring, the selected endotracheal tube which passes the nose can be guided to enter the trachea smoothly, and the insertion process of the endotracheal tube which passes the nose is completed.
Description
Technical field
This utility model relates to the clinical treatment instrument field, particularly a kind of auxiliary tube for endotracheal intubation.
Background technology
In clinical treatment, endotracheal intubation is very important to setting up the breathing management and preventing that the mistake suction from stopping up air flue, be applicable to the situations such as general anesthesia, dyspneic treatment and cardio-pulmonary resuscitation rescue, the urgent rescue that is widely used in outside Anesthesia Department, emergency department, ICU, various ward and hospital is on-the-spot.Endotracheal intubation is divided into oral trachea cannula and nasal trachea cannula according to path.Nasal trachea cannula is a kind of endotracheal intubation of commonly using.At first traditional nasotracheal intubation selects patient ventilating nostril preferably, splash into ephedrine and make the nasal mucosa vasoconstriction, if in the situation that patient regains consciousness intubate, also should splash into topical anesthetic.The endotracheal tube front end is coated medical lubricating oil, and the endotracheal tube angle should be faced concha nasalis, to reduce the damage to concha nasalis.Endotracheal tube and facial parallel vertical are inserted through nostril, after inserting nostril, with its backward, steadily advance to tail with to centre and (avoid endotracheal tube is advanced to crown direction, otherwise can cause severe haemorrhage), obviously reduce until push the resistance of endotracheal tube, endotracheal tube is described, and inlet port is pharyngeal.Due to certain angle being arranged between nasal vestibule and cavum nasi proprium, angle is approximately 112.3 °, certain angle is also arranged between cavum nasi proprium and nasopharynx, angle is about 106.9 °, if endotracheal tube, by nasal cavity, difficulty occurs, most cases is relevant with the angle between rhinostenosis and cavum nasi proprium and nasopharynx, and this is less and lubricated endotracheal tube preferably with regard to needs replacing diameter, apply in case of necessity slight spinning movement, be conducive to its smooth inlet port pharyngeal.When the front end arrival pars oralis pharyngis of endotracheal tube, available laryngoscope exposes epiglottis, shows glottis, when each corresponding site is in same straight line, needs by the assistant, endotracheal tube to be assisted send in glottis; If endotracheal tube is positioned at center line lean on after, and can not be with facing upward head, when pushing trachea and correct backward, available intubating forceps, at the pharyngeal endotracheal tube front end of mentioning, is directly aimed at glottis, the near-end that is pushed endotracheal tube by the assistant is sent into it in glottis, completes tracheal intubation.Whole nasal trachea cannula process firmly can not be excessive, in order to avoid damage nasopharynx or formation false passage.
Nasal trachea cannula has following advantage: the one, and non-operation wound; The 2nd, endotracheal tube easily tolerates, and places the endotracheal time generally can reach 7-14 days, has that relevant report is the longest placed 2 months; The 3rd, endotracheal tube is easy to fix, and is not easy; The 4th, relatively easy to the nursing in oral cavity.But nasal trachea cannula is larger than oral trachea cannula difficulty, has following shortcoming: the one, cause that easily nasal meatus is hemorrhage, pharynx rear wall bleeding due to trauma, the complication such as sinusitis; The 2nd, be difficult for inserting rapidly, in time rescue; The 3rd, the transnasal trachea catheter tube chamber is less, is difficult for suction sputum, and airway resistance is larger etc.Above-mentioned situation has limited the use of per nasal gas intubation in the clinical treatment.The problem of bringing in order to solve nasal trachea cannula, generally select suitable endotracheal tube by the operator clinically by rule of thumb.Because there is individual variation in the patient, whole nasal meatus bore is difficult to make effective measurement, select transnasal trachea catheter to have the excessive or too small deviation of conduit diameter.If conduit is excessive, can increase the intubate difficulty, easily cause the situations such as the nasal meatus in the intubate process is hemorrhage, the damage of pharynx rear wall, so that intubation defeat; As too small in conduit, can cause airway resistance to enlarge markedly, be difficult for the situations such as suction sputum, especially unfavorable to infant, child.In prior art, the auxiliary facilities row guidings such as the fiberoptic bronchoscope of use are arranged clinically, but exist hardware device expensive, need to grasp problems such as using the fiberoptic bronchoscope technology, can not in time to the slot footpath of nasal meatus, make clear and definite judgement, can not avoid the damage of trachea opening to nasal meatus; Adopt in addition clinically the three dimensional CT reconstruction technique to measure nasal meatus, can effectively to the slot footpath of nasal meatus, make clear and definite judgement, select suitable transnasal trachea catheter, but can not tackle the situation of urgent intubate,, also there are the problems such as hardware device costliness in the problem of the complication such as hemorrhage, the damage that can not solve that nasal trachea cannula causes; Select in addition clinically the guiding of endotracheal tube elastic bougie, but exist, can not make effective measurement to whole nasal meatus bore, to the transnasal trachea catheter diameter, can not make clearly and selecting, can not avoid equally the damage of trachea opening to nasal meatus.Therefore, above-mentioned situation shows how by measuring whole nasal meatus bore, to select suitable conduit, and damage is the key point of nasotracheal intubation to nasopharynx part how to reduce nasal trachea cannula, is also difficult point., to this, also do not have simple, safe and effective method prevent and process in prior art.
Selecting suitable conduit to how measuring whole nasal meatus bore, also there is no now simple, safe and effective method.In the prior art, Chinese patent (publication number: CN201643297U) disclose disposable tracheal intubation assistor, this assistor is to reach visual intubate process by installing optical fibres on the inwall of curved catheter, this assistor can't solve the problem of selecting suitable conduit by measuring whole nasal meatus bore, and the cost of this assistor is also too expensive, is of limited application.Chinese patent (publication number: the endotracheal tube that CN2792524Y) discloses reducing, this endotracheal tube head contains air bag, but this air bag can't be realized measuring whole nasal meatus bore and select suitable conduit this purpose, in fact, the effect of this air bag is the internal-and external diameter that enlarges trachea, thereby increase ventilation, this air bag do not possess the function of measuring the nasal meatus bore.And this endotracheal tube head is " C " tee section, and during intubate, the tip of this endotracheal tube head also can produce damage to nasal meatus.
The utility model content
The purpose of this utility model is to overcome the shortcoming of prior art, provide a kind of simple in structure, easy and simple to handle, use safety, cost low, can select suitable transnasal trachea catheter by the slot footpath of the whole nasal meatus of effective measurement, can guide and regulate flexibility insert smoothly trachea to be conducive to existing transnasal trachea catheter, to the little multi-functional auxiliary tube for endotracheal intubation of nasopharynx part damage.
The purpose of this utility model is achieved through the following technical solutions:
A kind of auxiliary tube for endotracheal intubation, comprise hollow conduit, hollow conduit one end sealing, but the other end also seals or is provided with enclosed construction, the hollow conduit front end is coated with air bag, hollow conduit in air bag is provided with passage, and the hollow conduit rear end is provided with inflation/deflation structure, by this inflation/deflation structure, is the air bag inflation/deflation.
Described hollow conduit rear end is provided with draw ring, and the hollow conduit tube wall is provided with tunnel, and tunnel is arranged in the hollow conduit tube wall or outside tube wall, is provided with bracing wire in tunnel, and the bracing wire front end is fixed in the tunnel front end, and the bracing wire rear end passes from the rear end, tunnel, and with draw ring, is connected.Make the perk of hollow conduit front end by the tractive draw ring, to strengthen the flexibility of auxiliary tube, facilitate auxiliary tube to enter glottis, need not to insert pipe wrench, can singlely complete the operation of nasal trachea cannula, this is applicable to the case of the difficult tracheal intubation of high prominent Adam's apple or the wide thick epiglottis that fleshes up.
Described hollow conduit rear end is provided with pilot balloon and two-way valve, and wherein pilot balloon one end is connected with the hollow conduit rear end, and the other end connects two-way valve and inflation/deflation structure successively.Pilot balloon can show degree of inflation and the gas leakage situation of hollow conduit front end air bag, the single inflation/deflation process of completing hollow conduit front end air bag of the two-way valve person of being convenient to operation.
Described hollow conduit tube wall is provided with scale.Resistance and the tube wall scale of by auxiliary tube, inserting in process judge the degree of depth of nostril to narrow location, record the degree of depth of glottis, are conducive in follow-up nasal trachea cannula process to adjust and the judgement of catheter depth.
Described passage is symmetricly set on hollow conduit.It is even that being symmetrical arranged of passage is conducive to airbag aeration.
Described air bag head is apart from 0.2-1cm place, hollow conduit top, and air bag length is 0.5-2cm, and inflated diameter is 4.0-11.3mm, and this air bag is the forms such as circle or fusiformis under inflated condition.
Described hollow conduit is arranged to meet the physiologico-anatomic arcuate shape of human body nasal trachea cannula, and hollow conduit length is 30-80cm, and external diameter is 1.5-4.0mm.Hollow conduit is arranged to arcuate shape, can reduce the auxiliary tube front end to the damage of nasal meatus and be conducive to auxiliary tube to enter glottis.
But described enclosed construction is motion stops, is used for sealing and opens hollow conduit, and motion stops one end is connected with the hollow conduit end, and the other end is provided with projection, and this projection is filled in hollow conduit, seals hollow conduit, extracts this projection, is the hollow conduit venting.
Described inflation/deflation structure is special syringe, this special syringe is provided with scale, the OD that this scale shows is the external diameter of described air bag, the external diameter of this air bag equals the external diameter of existing transnasal trachea catheter, ID is the internal diameter of existing transnasal trachea catheter, by to air bag, injecting different scale tolerance, check the inner diameter, ID that external diameter OD is corresponding, can select to meet the existing transnasal trachea catheter of this internal diameter.
Described special syringe can divide 13 scales, and take mm as unit, ID is take 0 as starting point, and from 2.5mm, adjacent scale differs 0.5mm, and maximum 8.0mm, OD be take 0 as starting point, and from 4mm, adjacent scale differs 0.6 or 0.7mm, maximum 11.3mm.
The using method of a kind of auxiliary tube for endotracheal intubation of this utility model is:
while implementing nasotracheal intubation, first move the special syringe of this utility model auxiliary tube to 0 scale, the path of open two-way valve, injecting external diameter OD is the tolerance of 10.7mm scale, close two-way valve, air bag and hollow conduit front end coating lubricating oil, insert along nasal meatus through nostril, can slip over smoothly nasal meatus as auxiliary tube without obvious resistance in descending process, have and fall through sense or measure the distance (nostril to the distance of pharyngolaryngeal cavity be equivalent to wing of nose distance to ear-lobe) of the wing of nose to ear-lobe, the judgement auxiliary tube enters bottleneck throat, slip into smoothly bottleneck throat and consider that it is that the air bag of 10.7mm passes through that nasal meatus can allow external diameter OD, selecting corresponding transnasal trachea catheter inner diameter, ID model is 7.5mm, obvious resistance is arranged in descending process as auxiliary tube, can not slip into smoothly bottleneck throat, press each pumpback one scale of external diameter OD scale of special syringe, this scale is 0.6 or 0.7mm,, until auxiliary tube can slip over nasal meatus without obvious resistance, select the transnasal trachea catheter inner diameter, ID model of the scale demonstration of special syringe.Extract the projection of auxiliary tube end motion stops, the gas in release air bag, make its atrophy, takes out auxiliary tube, and projection is filled in hollow conduit, the sealing hollow conduit.Auxiliary tube is penetrated the transnasal trachea catheter of selecting through aforementioned manner, the path of open two-way valve, the tolerance that when the injection auxiliary tube can slip over nasal meatus without obvious resistance, the special syringe scale shows, close two-way valve, after the transnasal trachea catheter front end withstands on the air bag of auxiliary tube (air bag can play the expansion nasal meatus and prevent the effect of transnasal trachea catheter front opening to the damage of nasal cavity), enter nasal meatus through nostril, slip into bottleneck throat along nasal meatus, after entering bottleneck throat, insert laryngoscope, expose glottis, auxiliary tube (air bag can be exitted or not exit) enters trachea by glottis.If can pass through the tractive draw ring while needing, adjust the suitable flexibility of auxiliary tube, make auxiliary tube enter 3-4cm in trachea by glottis smoothly, transnasal trachea catheter is inserted in trachea by glottis along the guiding of auxiliary tube, extract the projection of auxiliary tube end motion stops, the gas in release air bag, make its atrophy, extract auxiliary tube out afterwards in transnasal trachea catheter, complete the nasal trachea cannula process.
The relative prior art of this utility model has following advantage and effect:
(1) this utility model auxiliary tube comprises hollow conduit, air bag and inflation/deflation structure, described air bag is after being filled with certain tolerance, can arrive bottleneck throat by patient's nasal meatus without obvious resistance, and from the scale of special syringe, read this air bag external diameter reading, can judge thus this narrowest bore of patient's nasal meatus and then select the transnasal trachea catheter model corresponding with this air bag external diameter, can regulate auxiliary tube front end flexibility by the draw ring of auxiliary tube rear end, facilitate auxiliary tube to enter glottis, simultaneously can understand the narrow location of nasal meatus and the glottis degree of depth by auxiliary tube wall scale, therefore, this utility model design is unique, simple in structure, easy operating, cost of manufacture is cheap, be conducive to clinical practice widely.
(2) this utility model auxiliary tube is in the intubate process of the existing transnasal trachea catheter of guiding, the air bag of auxiliary tube is conducive to expand nasal meatus, can reduce in the intubate process damage to nasopharynx, prevent the formation of the hemorrhage and false passage of nasopharynx, this utility model is and meets the physiologico-anatomic arcuate shape of human body nasal trachea cannula simultaneously, be beneficial to and enter glottis, therefore, this utility model overcomes the defect of existing transnasal trachea catheter, can effectively prevent the damage of existing transnasal trachea catheter front end to nasal meatus, use safety, effect is remarkable.
Description of drawings
Fig. 1 is the structural representation that this utility model is used for the auxiliary tube of endotracheal intubation
Fig. 2 is pilot balloon of the present utility model shown in Figure 1 and two-way valve syndeton schematic diagram
Fig. 3 is special syringe enlarged diagram of the present utility model shown in Figure 1
Fig. 4 is the effect schematic diagram that this utility model is combined with existing transnasal trachea catheter
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, this utility model is described in further detail, but embodiment of the present utility model is not limited to this.
As shown in Figure 1, a kind of auxiliary tube for endotracheal intubation of this utility model comprises hollow conduit 1, hollow conduit 1 top 2 sealings, hollow conduit 1 front end is coated with air bag 3, air bag head 13 is 0.2-1cm apart from hollow conduit 1 top 2 distances, air bag 3 length are 0.5-2cm, and inflated diameter is 4.0-11.3mm, and this air bag is the fusiformis form under inflated condition.Hollow conduit in air bag 3 is provided with passage 4, and passage 4 is symmetricly set on hollow conduit 1, and being symmetrical arranged of passage 4 is conducive to air bag 3 inflations evenly.Hollow conduit 1 end is provided with motion stops 5, be used for sealing and open hollow conduit, described motion stops 5 one ends are connected with hollow conduit 1 end, the other end is provided with projection 14, this projection 14 is filled in hollow conduit 1, seals hollow conduit 1, just can be air bag 3 inflations of hollow conduit 1 front end, extract this projection 14, can be air bag 3 venting of hollow conduit 1 front end.Hollow conduit 1 rear end is provided with special syringe 6, be air bag 3 inflation/deflations by this special syringe 6, special syringe 6 is provided with scale, the OD that this scale shows is the external diameter of described air bag, the external diameter of this air bag equals the external diameter of existing transnasal trachea catheter, and ID is the internal diameter of existing transnasal trachea catheter, by to air bag, injecting different scale tolerance, check the inner diameter, ID that external diameter OD is corresponding, can select to meet the existing transnasal trachea catheter of this internal diameter.As shown in Figure 3, described special syringe divides 13 scales, and take mm as unit, ID is take 0 as starting point, and from 2.5mm, adjacent scale differs 0.5mm, and maximum 8.0mm, OD be take 0 as starting point, and from 4mm, adjacent scale differs 0.6 or 0.7mm, maximum 11.3mm.Hollow conduit 1 rear end is provided with draw ring 7, and hollow conduit 1 tube wall is provided with tunnel 8, and tunnel 8 is arranged in hollow conduit 1 tube wall, is provided with bracing wire 9 in tunnel 8, and bracing wire 9 front ends are fixed in tunnel 8 front ends, and 8 rear ends pass from tunnel in bracing wire 9 rear ends, and with draw ring 7, are connected.Make hollow conduit 1 front end perk by tractive draw ring 7, to strengthen the flexibility of auxiliary tube, facilitate auxiliary tube to enter glottis, need not to insert pipe wrench, can singlely complete the operation of nasal trachea cannula, this is applicable to the case of the difficult tracheal intubation of high prominent Adam's apple or the wide thick epiglottis that fleshes up.As shown in Figure 2, hollow conduit 1 rear end is provided with pilot balloon 10 and two-way valve 11, and wherein pilot balloon 10 1 ends are connected with hollow conduit 1 rear end, and the other end connects two-way valve 11 and special syringe 6 successively.This pilot balloon 10 can show degree of inflation and the gas leakage situation of hollow conduit 1 front end air bag 3, the single inflation/deflation process of completing hollow conduit end air bag 3 of two-way valve 11 persons of being convenient to operation.Hollow conduit 1 tube wall is provided with scale 12.Resistance and the tube wall scale 12 of by auxiliary tube, inserting in process judge the degree of depth of nostril to narrow location, and the operation while being conducive in follow-up nasal trachea cannula process through narrow location is gentleer careful and to the accurate judgement of the nasal trachea cannula degree of depth.Hollow conduit 1 is arranged to meet the physiologico-anatomic arcuate shape of human body nasal trachea cannula, catheter length is 30-80cm, external diameter is 1.5-4.0mm, and hollow conduit 1 is arranged to arcuate shape, can reduce the auxiliary tube front end to the damage of nasal meatus and be conducive to auxiliary tube to enter glottis.
In clinical treatment, with catheter diameter ID label (mm of unit), every model differs 0.5mm to existing transnasal trachea catheter model usually.Air bag external diameter OD, i.e. the external diameter OD of existing transnasal trachea catheter, with the pass of existing transnasal trachea catheter inner diameter, ID be the OD=(÷ 3.14 (mm of unit) of ID * 4+2).General adult's transnasal trachea catheter model is considered inner diameter, ID 7.0～7.5mm.Children's's transnasal trachea catheter model can be considered the corresponding minimizing 0.5-1mm of trachea catheter via mouth inner diameter, ID (ID=4+ age/4, the mm of unit), or with reference to the nostril size, selects.
Existing transnasal trachea catheter inner diameter, ID model is unified.And the conduit external diameter OD that existing transnasal trachea catheter external diameter OD produces because of manufacturer's difference is also slightly different, and its external diameter OD numerical value is approximation.The corresponding numerical value of ID and OD (being OD and the ID numerical value that the special syringe scale shows, the mm of unit) as follows:
ID——OD
2.5——4.0
3.0——4.7
3.5——5.3
4.0——6.0
4.5——6.7
5.0——7.3
5.5——8.0
6.0——8.7
6.5——9.3
7.0——10.0
7.5——10.7
8.0——11.3
While implementing adult's nasotracheal intubation, by experience, select transnasal trachea catheter model ID7.5-7.0mm, corresponding OD10.7-10.0mm.first move the special syringe of auxiliary tube 6 to 0 scale, the path of open two-way valve 11, injecting OD is the tolerance of 10.7mm scale, close two-way valve 11, the external diameter of air bag 3 is 10.7mm, air bag 3 and hollow conduit 1 front end coating lubricating oil, insert along nasal meatus through nostril, can slip over smoothly nasal meatus as auxiliary tube without obvious resistance in descending process, have and fall through sense or measure the distance (nostril to the distance of pharyngolaryngeal cavity be equivalent to wing of nose distance to ear-lobe) of the wing of nose to ear-lobe, the judgement auxiliary tube enters bottleneck throat, slip into smoothly bottleneck throat and consider that it is that 10.7mm passes through that nasal meatus can allow air bag 3 external diameters, selecting corresponding transnasal trachea catheter external diameter OD is 10.7mm, corresponding inner diameter, ID model is 7.5mm, obvious resistance is arranged in descending process as auxiliary tube, can not slip into smoothly bottleneck throat, press each pumpback one scale of OD scale of special syringe 6, this scale is 0.6 or 0.7mm,, until auxiliary tube can slip over nasal meatus without obvious resistance, select the transnasal trachea catheter inner diameter, ID model of the scale demonstration of special syringe 6.Extract the projection 14 of the motion stops 5 of auxiliary tube end, the gas in release air bag 3, make its atrophy, takes out auxiliary tube, and the projection 14 of motion stops 5 is filled in hollow conduit 1, sealing hollow conduit 1.as shown in Figure 4, auxiliary tube penetrates the transnasal trachea catheter 15 of selecting through aforementioned manner, the path of open two-way valve 11, the tolerance that when the injection auxiliary tube can slip over nasal meatus without obvious resistance, the scale of special syringe 6 shows, close two-way valve 11, transnasal trachea catheter 15 front ends withstand on the air bag 3 rear (air bag 3 can play the expansion nasal meatus and prevent the damage of transnasal trachea catheter front opening to nasal cavity) of auxiliary tube, enter nasal meatus through nostril, slip into bottleneck throat along nasal meatus, after entering bottleneck throat, insert laryngoscope, expose glottis, auxiliary tube (air bag 3 can be exitted or not exit) enters trachea by glottis.If can pass through tractive draw ring 7 while needing, adjust the suitable flexibility of auxiliary tube, make auxiliary tube enter 3-4cm in trachea by glottis smoothly, transnasal trachea catheter 15 is inserted in trachea by glottis along the guiding of auxiliary tube, extract the projection 14 of the motion stops 5 of auxiliary tube end, the gas in release air bag 3, make its atrophy,, from the interior extraction auxiliary tube of transnasal trachea catheter 15, complete the nasal trachea cannula process afterwards.
Embodiment 2
The present embodiment is identical with embodiment 1 except following characteristics: the two ends of described hollow conduit are all sealed, and the inflation/deflation process unification of air bag is completed by special syringe.Described air bag is rounded form under inflated condition.The hollow conduit rear end is provided with draw ring, and the hollow conduit tube wall is provided with tunnel, and tunnel is arranged on outside the hollow conduit tube wall, is provided with bracing wire in tunnel, and the bracing wire front end is fixed in the tunnel front end, and the bracing wire rear end passes from the rear end, tunnel, and with draw ring, is connected.
Embodiment 3
The present embodiment is identical with embodiment 1 except following characteristics: when implementing the infant nasotracheal intubation, because infant trachea is narrow, only have the air bag of exitting fully could meet the needs of infant nasotracheal intubation, and the mode of the motion stops projection by extracting the auxiliary tube end gas in release air bag fully, need to close motion stops this moment, open two-way valve, use special syringe to extract airbag gas out and make its atrophy, reaches the effect of venting fully.
Above-described embodiment is the better embodiment of this utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present utility model and principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, within being included in protection domain of the present utility model.
Claims (10)
1. auxiliary tube that is used for endotracheal intubation, it is characterized in that: comprise hollow conduit, hollow conduit one end sealing, but the other end also seals or is provided with enclosed construction, the hollow conduit front end is coated with air bag, hollow conduit in air bag is provided with passage, and the hollow conduit rear end is provided with inflation/deflation structure, by this inflation/deflation structure, is the air bag inflation/deflation.
2. be used for according to claim 1 the auxiliary tube of endotracheal intubation, it is characterized in that: described hollow conduit rear end is provided with draw ring, the hollow conduit tube wall is provided with tunnel, tunnel be arranged in the hollow conduit tube wall or tube wall outside, be provided with bracing wire in tunnel, the bracing wire front end is fixed in the tunnel front end, and the bracing wire rear end passes from the rear end, tunnel, and with draw ring, is connected.
3. be used for according to claim 1 the auxiliary tube of endotracheal intubation, it is characterized in that: described hollow conduit rear end is provided with pilot balloon and two-way valve, wherein pilot balloon one end is connected with the hollow conduit rear end, and the other end connects two-way valve and inflation/deflation structure successively.
4. be used for according to claim 1 the auxiliary tube of endotracheal intubation, it is characterized in that: described hollow conduit tube wall is provided with scale.
5. be used for according to claim 1 the auxiliary tube of endotracheal intubation, it is characterized in that: described passage is symmetricly set on hollow conduit.
6. be used for according to claim 1 the auxiliary tube of endotracheal intubation, it is characterized in that: described air bag head is apart from 0.2-1cm place, hollow conduit top, air bag length is 0.5-2cm, and inflated diameter is 4.0-11.3mm, and this air bag is the forms such as circle or fusiformis under inflated condition.
7. be used for according to claim 1 the auxiliary tube of endotracheal intubation, it is characterized in that: described hollow conduit is arranged to meet the physiologico-anatomic arcuate shape of human body nasal trachea cannula, and catheter length is 30-80cm, and external diameter is 1.5-4.0mm.
8. be used for according to claim 1 the auxiliary tube of endotracheal intubation, it is characterized in that: but described enclosed construction is motion stops, motion stops one end is connected with the hollow conduit end, the other end is provided with projection, this projection is filled in hollow conduit, seal hollow conduit, extract this projection, be the hollow conduit venting.
9. according to claim 1-8 arbitrary described auxiliary tubes for endotracheal intubation, it is characterized in that: described inflation/deflation structure is special syringe, this special syringe is provided with scale, the OD that this scale shows is the external diameter of described air bag, the external diameter of this air bag equals the external diameter of existing transnasal trachea catheter, and ID is the internal diameter of existing transnasal trachea catheter, by to air bag, injecting different scale tolerance, check the inner diameter, ID that external diameter OD is corresponding, can select to meet the existing transnasal trachea catheter of this internal diameter.
10. be used for according to claim 9 the auxiliary tube of endotracheal intubation, it is characterized in that: described special syringe can divide 13 scales, take mm as unit, ID take 0 as starting point, from 2.5mm, adjacent scale differs 0.5mm, maximum 8.0mm, OD take 0 as starting point, from 4mm, adjacent scale differs 0.6 or 0.7mm, maximum 11.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320280824XU CN203291346U (en) | 2013-05-21 | 2013-05-21 | Auxiliary tube for endotracheal intubation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320280824XU CN203291346U (en) | 2013-05-21 | 2013-05-21 | Auxiliary tube for endotracheal intubation |
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| Publication Number | Publication Date |
|---|---|
| CN203291346U true CN203291346U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320280824XU Expired - Fee Related CN203291346U (en) | 2013-05-21 | 2013-05-21 | Auxiliary tube for endotracheal intubation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103301546A (en) * | 2013-05-21 | 2013-09-18 | 郭强 | Auxiliary catheter for endotracheal intubation |
| CN106730276A (en) * | 2016-12-16 | 2017-05-31 | 何剑 | Cavum laryngis extension fixture |
-
2013
- 2013-05-21 CN CN201320280824XU patent/CN203291346U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103301546A (en) * | 2013-05-21 | 2013-09-18 | 郭强 | Auxiliary catheter for endotracheal intubation |
| CN103301546B (en) * | 2013-05-21 | 2016-08-10 | 郭强 | A kind of auxiliary tube for endotracheal intubation |
| CN106730276A (en) * | 2016-12-16 | 2017-05-31 | 何剑 | Cavum laryngis extension fixture |
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