CN108721748A - The tracheal catheter of cough peak flow velocity can be rebuild - Google Patents

The tracheal catheter of cough peak flow velocity can be rebuild Download PDF

Info

Publication number
CN108721748A
CN108721748A CN201810004441.7A CN201810004441A CN108721748A CN 108721748 A CN108721748 A CN 108721748A CN 201810004441 A CN201810004441 A CN 201810004441A CN 108721748 A CN108721748 A CN 108721748A
Authority
CN
China
Prior art keywords
catheter
tracheal catheter
rebuilding
inflating
tracheal
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.)
Granted
Application number
CN201810004441.7A
Other languages
Chinese (zh)
Other versions
CN108721748B (en
Inventor
刘伟权
肖琦
江燕
曾铁英
汪晖
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.)
Tongji Medical College of Huazhong University of Science and Technology
Original Assignee
Tongji Medical College of Huazhong University of Science and Technology
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 Tongji Medical College of Huazhong University of Science and Technology filed Critical Tongji Medical College of Huazhong University of Science and Technology
Priority to CN201810004441.7A priority Critical patent/CN108721748B/en
Publication of CN108721748A publication Critical patent/CN108721748A/en
Application granted granted Critical
Publication of CN108721748B publication Critical patent/CN108721748B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • A61M16/0402Special features for tracheal tubes not otherwise provided for
    • 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
    • A61M25/10Balloon catheters

Abstract

The invention discloses a kind of tracheal catheters for rebuilding distinguished and admirable speed of coughing, are related to the field of medical instrument technology, can not effectively be removed with Subglottic secretion during solving tracheal catheter indwelling in the prior art.The tracheal catheter of the present invention for rebuilding distinguished and admirable speed of coughing, including:Tracheal catheter, exterior airbag, balloon catheter, inner balloon, inflating port, inflating catheter, gas outlet, sealed chamber, venthole;The tracheal catheter includes three independent chambers altogether;Wherein inflating port is connected to through inflating catheter with gas outlet;Sealed chamber includes three ventholes on gas outlet and outer wall on inner wall, and ring-wound is in tracheal catheter outer wall.The present invention is by giving the air-flow of certain flow rate in inflating port, certain flow rate air-flow can be generated in three ventholes, reach distinguished and admirable speed of coughing under normal person's physiological state by adjusting, retentate in inner balloon is impacted glottis mouth by airflow impact force, is reached and is rebuild the effective cough reflex purpose of human body.

Description

The tracheal catheter of cough peak flow velocity can be rebuild
Technical field
The present invention relates to medical instruments fields, in particular to a kind of tracheal catheter for rebuilding cough peak flow velocity.
Background technology
Endotracheal intubation refers to being placed in special tracheal catheter in patient airway by oral cavity or nasal cavity.It is a kind of gas Anesthesia and the technology to give emergency treatment to a patient, are also to maintain the unobstructed most effective means of the upper respiratory tract in pipe.Tracheae or endobronchial intubation It is the safety measure that no spontaneous breathing patient maintains lung ventilation by lung ventilator transtracheal catheters.
But common trachea cannula clinically can not remove the retentate on air bag, and indwelling has and attracts under glottis Function tracheal catheter removes Subglottic secretion, not only needs to prepare in advance and the special tracheal catheter of success indwelling, Er Qielin Many complication occur on bed, it is common to there is drainage tube opening on trachea cannula to be blocked by tunica mucosa tracheae or phlegm scab and cause to have Effect removes secretion, next pressure crosses conference and causes cough reflex, heart rate and blood oxygen saturation variation, causes respiratory mucosa Damage, document report use the complication for attracting technology (CASS technologies) to cause the visible hemorrhage in respiratory tract of naked eyes under duration glottis Incidence is 7.1%, this causes it not to be widely used clinically.
And technology, i.e. operated by two people are rushed for the most frequently used air-flow:One people's crushing failure at high speed bag respirator, a people quickly give gas Capsule is deflated and inflation, if the uncoordinated retentate that often leads to of double cooperation slides into deep breathing road, but also is unable to monitor extruding letter The airway pressure that easy respirator generates, excessively high airway pressure often lead to patient's wind-contusion and are fought with autonomous respiration;Especially for stubbornness Property hypoxemia patient, if using disconnect lung ventilator and double compounding practice bag respirator removed with air bag it is stagnant on air bag The method for staying object, often the long period, which interrupts mechanical ventilation and low concentration oxygen supply, will lead to the more serious anaerobic condition of patient, and And Reusability bag respirator also increases the chance of cross-infection.
For the existing technology for removing Subglottic secretion, they all can not popularity, main cause be clinically It can not simulate and reach and remove respiratory secretions by effectively coughing peak flow velocity under normal person's physiological state, and increase gas Road mucosa injury, bleeding, infection risk, increase patient and choke the adverse reactions such as cough, Respiratory resistance.
Invention content
It is in the prior art to solve the purpose of the present invention is to provide a kind of tracheal catheter for rebuilding cough peak flow velocity The problem of delay can not be removed effectively on tracheal catheter air bag.
A kind of tracheal catheter for rebuilding cough peak flow velocity is provided in an embodiment of the present invention, including.Tracheal catheter, Exterior airbag, balloon catheter, inner balloon, inflating port, inflating catheter, gas outlet, sealed chamber, venthole;Tracheal catheter master Body is made of PVC material, sealed chamber is made of silica gel material.
The exterior airbag is arranged in the outer end of tracheal catheter;
The inner balloon is arranged in the inner end of tracheal catheter;
Exterior airbag is connected to by the balloon catheter with inner balloon, by exterior airbag gas injection, making the internal gas Capsule is heaved full;
The inflating port is arranged in the outer end of tracheal catheter;
The gas outlet, sealed chamber, venthole are arranged in the inner end of tracheal catheter;
Inflating port is connected to by the inflating catheter with gas outlet, by inflating port gas injection, the gas outlet being made to generate one The air-flow of constant speed degree;
Further, the inflating port form is by thin thicker cylindrical shape seam;
Further, inflating catheter free fraction cross section is circle, and intracavity diameter 3mm is combined with tracheal catheter Part is crescent;
Further, the lumenal cross-section product different piece of the inflating catheter is 7.065mm2
The sealed chamber is made using silica gel material;
Further, sealed chamber includes three ventholes on gas outlet and outer wall on inner wall;
Further, the sealed chamber edge and inner balloon minimum distance 0.2cm, ring packing are wrapped in gas outlet And around tracheal catheter;
Further, the sealed chamber is that diameter is more than tracheal catheter outer diameter 0.2cm, is highly the cylinder of 0.5cm;
The venthole includes three round exits, and diameter is 2mm, is open on the outer wall of sealed chamber, is owned The venthole gross area is 9.42mm2
Further, three ventholes are located at tracheal catheter curved back, upper left side, upper right side, between angle Degree is 120 degree;
The tracheal catheter includes three independent chambers altogether;
Compared with the existing technology, the tracheal catheter for rebuilding cough peak flow velocity of the invention has the advantage that:
By the way that extraneous quick flow to be connected to the inflating port of tracheal catheter, air-flow enters via free fraction inflating catheter The inside of tracheal catheter and human body, since inflating catheter is independent lacuna, necessary gas outlet enters in sealed chamber, full of quick The narrow venthole of the sealed chamber of air-flow from different directions sprays, and is formed compared with air blast impact force, reaches human body physiological state Lower cough peak flow velocity, i.e. CPEF > 60L/min or 20 meter per seconds, to which the retentate accumulated in around on air bag is flushed to oropharynx Portion, then the operation of oral snuffing phlegm remove Subglottic secretion purpose to reach.This method is not necessarily to the air bag deflation to tracheal catheter To remove Subglottic secretion, the risk of reduction retentate hypostasis to deep breathing road;Secondly reduce glottis under persistently attract and Send out disease:Mucosal bleeding, negative pressure catheter block, the reverse infection for the object that backflows in pars oralis pharyngis definite value bacterium and stomach;Also it is that intractable is low Oxygen mass formed by blood stasis patient avoids cross-infection without disconnecting lung ventilator, being not necessarily to Reusability bag respirator;It is man-machine right finally to reduce It is anti-, mitigate the pain of patient.Because it is going out for cough air-flow that human airway foreign matter, which removes most appropriate mode, rather than air flue is inhaled The modes such as draw or rinse.
Description of the drawings
The structural schematic diagram of tracheal catheter and body local when Fig. 1 is existing tracheal catheter indwelling.
Fig. 2 is the structural schematic diagram of the present invention.
Fig. 3 be in Fig. 2 A-A to cross-sectional structure schematic diagram.
Reference numeral:
1:Tracheal catheter 2:Glottis 3:Retentate
4:Inner balloon 5:Exterior airbag 6:Inflating port
7:Inflating catheter 8:Gas outlet 9:Sealed chamber
10:Tracheal catheter inner end 11:Venthole 12:Balloon catheter
13:Tracheal catheter outer end 14:Tracheal catheter chamber 15:Inflating catheter chamber
16:Balloon catheter chamber
Specific implementation mode
In order to clearly illustrate the object, technical solutions and advantages of the present invention, we can come pair in conjunction with attached drawing below Technical scheme of the present invention carries out clear, complete description.Based on the embodiments of the present invention, only it is that a part of the invention is implemented Example, rather than whole embodiments, it is obtained by those of ordinary skill in the art without making creative efforts all Other embodiment belongs to the range that the present invention is protected.
The structural schematic diagram of tracheal catheter 1 and body local when Fig. 1 is existing 1 indwelling of tracheal catheter.
As shown in Figure 1, during 1 indwelling of tracheal catheter, inner balloon 4 is to fill to heave state, plays sealing tracheal catheter 1 Peripheral airways purpose, this makes 4 or more inner balloon and 2 lacuna below of glottis become dead space, no eupnea and cough air-flow Flowing.
Further, as shown in Figure 1, around 4 or more inner balloon and tracheal catheter 1, especially in 2 or less glottis Lacuna between there are a large amount of retentates 3, including oropharynx secretions and field planting bacterium, the gastric content accumulation accidentally inhaled are here, It is formed in " mucus lake ", and with 1 time lengthening of indwelling tracheal catheter, retentate 3 accumulates more;Due to suffering from when trachea cannula Swallowing for person weakens or disappears with cough reflex and respiratory tract ciliary movement, in addition 4 inflated condition of inner balloon keeps the lacuna close It closes airless to pass through, causes retentate 3 that can not be excluded in the form of cough, increase Ventilator Associated Pneumonia (VAP) incidence.
Fig. 2 is a kind of structural schematic diagram of tracheal catheter for rebuilding cough peak flow velocity of the present invention, including tracheae Conduit 1, inflating port 6, inflating catheter 7, gas outlet 8, sealed chamber 9, venthole 11;1 main body of tracheal catheter is by PVC material system It is made of silica gel material at, sealed chamber 9.
Fig. 3 is that for A-A to cross-sectional structure schematic diagram, the tracheal catheter 1 includes three independent chambers, including gas altogether in Fig. 2 Pipe catheter lumen 14, inflating catheter chamber 15, balloon catheter chamber 16.
As shown in figure 3, its cross section is crescent after inflating catheter 7 enters tracheal catheter 1, it is attached to tracheal catheter 1 Inner wall, this can make 14 inner wall of tracheal catheter chamber equally round and smooth, ensure that sputum aspirator tube or Bronchofiberscope equally pass through tracheae and lead Pipe 1 is operated.
As shown in Fig. 2, exterior airbag 5 is connected to through balloon catheter 12 with inner balloon 4, to prevent lung ventilator when trachea cannula Gas leakage avoids accidentally inhaling and fixing trachea cannula, generally makes from 5 port of exterior airbag through internally 4 gas injection of air bag of balloon catheter 12 It, which is filled, heaves, and intraluminal pressure is made to maintain 25cmH2O~30cmH2Between O, closing 1 peripheral airway purpose of tracheal catheter is played.
6 form of inflating port be by thin thicker cylindrical shape seam, this can more preferably with oxygen cathete airtight connection and be not easy It loosens.
Further, inflating port 6 is connected to through inflating catheter 7 with gas outlet 8, allows air-flow from going out from 6 gas injection of inflating port Gas port 8 is gone out;Clinically 15L/min (250ml/ seconds) oxygen flow can be connected to inflating port 6 by Central oxygen-supply, due to described The lumenal cross-section product of inflating catheter 7 is 7.065mm2, so theoretically the gas flow rate of gas outlet 8 can reach 35.39 meters/ Second, preliminarily form high-speed flow.
In addition, 7 free fraction of inflating catheter is the circular hollow conduit of PVC material, harder material be prevent by patient or Foreign matter oppresses and causes to deform, and effectively maintains inflating catheter 7 unobstructed.
9 edge of sealed chamber and 4 minimum distance 0.2cm of inner balloon, short distance air-flow can not only ensure effective air-flow Impact force thoroughly removes Subglottic secretion 3, and can fix airflow direction and flow to 2 side of glottis from closing lacuna bosom To more meeting human body physiological state downstream direction and sputum clearance mode.
In addition, sealed chamber 9 be diameter be more than 1 outer diameter 0.2cm of tracheal catheter, be highly 0.5cm cylinder, be equivalent to Internal diameter increases 0.2cm, i.e. catheter diameter at sealed chamber 9 on the basis of most common No. 7.5 tracheal catheter 1 (outer diameter 1.13cm) 1.33cm, due to have neighbouring inner balloon 4 expansion support air flue, so at sealed chamber 9 conduit to peripheral airways mucous membrane almost The case where there is no compressings.
The venthole 11 is located at 1 curved back of tracheal catheter, upper left side, upper right side, between angle be 120 Degree;Clinically for patients with mechanical ventilation, it is general be proposed with semireclining position or 30 degree of clinostatisms, due to gravity principle, on air bag Retentate more than 3 accumulate in inner balloon 4 it is peripheral, to ensure effective elimination effect, when operation patient can be made even clinostatism with It is gone out convenient for retentate 3;Secondly three 11 angle design schemes of venthole can ensure air-flow in the peripheral not Tongfang of tracheal catheter 1 Position can generate certain gas shock power, reach retentate 3 on 1 periphery of comprehensive removing tracheal catheter and airway mucus.
Specifically steps are as follows:9 ring packing of the sealed chamber is wrapped in around gas outlet 8 and tracheal catheter 1, when upper It states and forms 35.39 meter per second high-speed flows in embodiment through in the entrance of gas outlet 8 sealed chamber 9, being full of quick flow sealed chamber 9, the risk for effectivelying prevent venthole 11 to be blocked by sputum;Due to sealed chamber 9 include three ventholes 11 (be circular port, Diameter 2mm), area and be 9.42mm2, so final 11 mouthfuls of three ventholes can generate 26.54 meter per second high speed gas Stream.When human normal is coughed, expiration speed can reach 10 meter per seconds, and when acutely coughing exhaled air flow can reach 28 meters/ Second, it is equivalent to force 10 wind power, not only air flue can be resistant to such high-speed flow, but also can effectively remove airway secretions.Gao Xin Brilliant and Qin Yingzhi research confirmation CPEF values >=(for the trachea cannula of indwelling diameter 8mm, exhalation flow rate is about 60L/min 20 meter per seconds) Extubation in Patients success rate is high, and patient's ability of coughing is good.So 26.54 meter per second high-speed flows can be effectively by accumulation Retentate 3 around on air bag is flushed to pars oralis pharyngis, then the operation of oral snuffing phlegm removes 3 purpose of Subglottic secretion to reach.
It is finally to prevent from pneumatic conveying drying clammy to stimulate airway mucus, ensures that specific implementation is smooth, we can be to oxygen Heating and moistening is carried out, 37 degree of temperature, humidity 100% are reached, the present invention can not only rebuild cough peak stream to clear up air bag Upper retentate 3, and upper respiratory tract mucosa columnar epithelium ciliary movement is maintained, increase sputum self-cleaning ability and avoids air flue simultaneously The complication such as mucosa injury, bleeding and infection.

Claims (9)

1. a kind of tracheal catheter for rebuilding cough peak flow velocity, which is characterized in that led including tracheal catheter, exterior airbag, air bag Pipe, inner balloon, inflating port, inflating catheter, gas outlet, sealed chamber, venthole;
The tracheal catheter includes three independent chambers altogether;
The exterior airbag is connected to through balloon catheter with inner balloon, makes the inner balloon aeration drum from exterior airbag gas injection It rises;
The inflating port is connected to through inflating catheter with gas outlet, so that air-flow is gone out from gas outlet from inflating port gas injection;
The sealed chamber includes three ventholes on gas outlet and outer wall on inner wall, and ring-wound is in tracheal catheter outer wall;
The venthole be include three side openings, gone out after air-flow enters sealed chamber from gas outlet, then from venthole.
2. the tracheal catheter according to claim 1 for rebuilding cough peak flow velocity, which is characterized in that the inflating port is served as reasons Thin thicker cylindrical shape seam.
3. the tracheal catheter according to claim 1 for rebuilding cough peak flow velocity, which is characterized in that the inflating catheter trip Cross section from part is circle, is crescent with tracheal catheter bound fraction.
4. the tracheal catheter according to claim 3 for rebuilding cough peak flow velocity, which is characterized in that the inflating catheter is not Lumenal cross-section product with part is equal.
5. the tracheal catheter according to claim 1 for rebuilding cough peak flow velocity, which is characterized in that the sealed chamber makes It is made of silica gel material.
6. the tracheal catheter according to claim 5 for rebuilding cough peak flow velocity, which is characterized in that the sealed chamber side Edge and inner balloon minimum distance 0.2cm, ring packing are wrapped in around gas outlet and tracheal catheter.
7. the tracheal catheter according to claim 5 for rebuilding cough peak flow velocity, which is characterized in that the sealed chamber is Diameter is more than tracheal catheter outer diameter 0.2cm, is highly the cylinder of 0.5cm.
8. the tracheal catheter according to claim 1 for rebuilding cough peak flow velocity, which is characterized in that the venthole includes Three circular side holes are open on the outer wall of sealed chamber.
9. the tracheal catheter according to claim 8 for rebuilding cough peak flow velocity, which is characterized in that described three round sides Hole is located at tracheal catheter curved back, upper left side, upper right side, between angle be 120 degree.
CN201810004441.7A 2018-01-03 2018-01-03 Tracheal catheter capable of reconstructing cough peak flow velocity Active CN108721748B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810004441.7A CN108721748B (en) 2018-01-03 2018-01-03 Tracheal catheter capable of reconstructing cough peak flow velocity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810004441.7A CN108721748B (en) 2018-01-03 2018-01-03 Tracheal catheter capable of reconstructing cough peak flow velocity

Publications (2)

Publication Number Publication Date
CN108721748A true CN108721748A (en) 2018-11-02
CN108721748B CN108721748B (en) 2021-04-23

Family

ID=63940942

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810004441.7A Active CN108721748B (en) 2018-01-03 2018-01-03 Tracheal catheter capable of reconstructing cough peak flow velocity

Country Status (1)

Country Link
CN (1) CN108721748B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080110468A1 (en) * 2006-11-10 2008-05-15 Nellcor Puritan Bennett Incorporated Method and apparatus for preventing occlusion of a tracheal tube suction lumen
CN201888978U (en) * 2010-11-24 2011-07-06 中国人民解放军第三军医大学第二附属医院 Novel tracheal catheter
CN202751663U (en) * 2012-06-07 2013-02-27 吴联籽 Multifunction adjustable tracheal catheter
CN204073016U (en) * 2014-09-10 2015-01-07 南通市第一人民医院 A kind of multilumen tracheal catheter
CN105288811A (en) * 2009-07-31 2016-02-03 阿文特公司 Subglottic suctioning system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080110468A1 (en) * 2006-11-10 2008-05-15 Nellcor Puritan Bennett Incorporated Method and apparatus for preventing occlusion of a tracheal tube suction lumen
CN105288811A (en) * 2009-07-31 2016-02-03 阿文特公司 Subglottic suctioning system
CN201888978U (en) * 2010-11-24 2011-07-06 中国人民解放军第三军医大学第二附属医院 Novel tracheal catheter
CN202751663U (en) * 2012-06-07 2013-02-27 吴联籽 Multifunction adjustable tracheal catheter
CN204073016U (en) * 2014-09-10 2015-01-07 南通市第一人民医院 A kind of multilumen tracheal catheter

Also Published As

Publication number Publication date
CN108721748B (en) 2021-04-23

Similar Documents

Publication Publication Date Title
CN101628134B (en) Respiration device
US20110209705A1 (en) Tracheal catheter and prosthesis and method of respiratory support of a patient
CN101432037A (en) Secretion clearing patient airway management system
NZ569496A (en) Endotracheal tube and intubation system including same
CN106512170A (en) Comfortable-to-use irritation-reduction trachea cannula
CN109939320A (en) A kind of nasopharyngeal airway road
CN206867491U (en) Multifunctional nasal pharyngeal canal
CN108721748A (en) The tracheal catheter of cough peak flow velocity can be rebuild
CN104784796A (en) Soundable and moist tracheal catheter
CN202015411U (en) Throat breath guiding catheter
CN208511669U (en) A kind of tracheal catheter of sustainable airway suction
CN2598564Y (en) Special-purpose tracheal tube for SARS patient
CN206138542U (en) But trachea cannula of trachea surface anesthesia function
CN203169785U (en) Tracheotomy catheter
CN208989961U (en) A kind of selectivity light transmission tracheal catheter
CN206896583U (en) Double bolloon just ventilation type trachea cannula
CN202459712U (en) Intranasal laryngeal mask with two-way conduits
CN206138544U (en) Trachea cannula
CN208552788U (en) A kind of trachea cannula blocking glottis
CN213252265U (en) Tracheal catheter with inner sleeve
CN104874079A (en) Subglottic secretion drainage tracheal catheter
CN209392153U (en) A kind of simple animal anesthetic ventilator
CN208864977U (en) Laryngeal mask airway
CN211096822U (en) Novel multi-functional medical oropharynx pipe of ventilating
CN211410571U (en) Trachea cannula with film

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
GR01 Patent grant
GR01 Patent grant