CN108245277A - A kind of big build pig trachea cannula - Google Patents
A kind of big build pig trachea cannula Download PDFInfo
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- CN108245277A CN108245277A CN201810054633.9A CN201810054633A CN108245277A CN 108245277 A CN108245277 A CN 108245277A CN 201810054633 A CN201810054633 A CN 201810054633A CN 108245277 A CN108245277 A CN 108245277A
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- intubation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D7/00—Devices or methods for introducing solid, liquid, or gaseous remedies or other materials into or onto the bodies of animals
- A61D7/04—Devices for anaesthetising animals by gases or vapours; Inhaling devices
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- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
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Abstract
A kind of big build pig trachea cannula, is related to a kind of trachea cannula, belongs to beasts medical instruments field.It solves always that user replaces pig trachea cannula with trachea cannula, for the present situation of large-scale pig trachea cannula, develops a kind of trachea cannula dedicated for large-scale pig.The intubation includes drug release ring, air bag, injection small hose, inflation small hose, intubation pipe shaft and intubation tail portion tube head, the inside on intubation head is fixed with drug release ring, the outer wall on intubation head is cased with air bag, the end for being intubated pipe shaft is fixedly connected with intubation tail portion tube head, inflation small hose is pierced by tube wall in inside one end of intubation pipe shaft and is connected with air bag, the tail end tube wall of the other end from intubation pipe shaft is pierced by, and injection small hose one end is connected with drug release ring, and the tail end tube wall of the other end from intubation pipe shaft is pierced by.The present invention is inserted into pig tracheae suitable for surgical procedure and pig is anaesthetized.The present invention have it is simple in structure, easy to operate, it is at low cost, the advantages of convenient for large-scale production and marketing.
Description
Technical field
The present invention relates to intubation technique fields, and in particular to a kind of big build pig trachea cannula belongs to beasts Medical treatment device
Tool field.
Background technology
At present in terms of being studied as experimental animal using pig, especially need to anaesthetize pig in surgical procedure
When, for example when carrying out embryo transfer and live body and taking embryo, most of anaesthetic apparatus used are muzzle formula anaesthetic apparatus, and there are mouths
Set can not be bonded closely with snoot position, so as to occur leaking excessive anesthetic in anaesthesia process is carried out, lead to anesthetic
Waste, the problem of anaesthetic effect is undesirable and certain physiological effect is caused to experimenter.
Secondly because the anesthesia to pig uses the less of tracheal intubation anesthesia mode, cause on the market not dedicated for pig
Trachea cannula, most domestic is to the anesthesia of pig using the maximum number trachea cannula of people, and one side of trachea cannula of people
Face is too short there are length, the defects of being not used to big build pig (125-150kg)；On the other hand, since the lung capacity of pig is universal
More many than the National People's Congress, the internal diameter of people's intubation is too small, can not meet the needs of pig breathes in anaesthesia process.
And the prior art used sliding surface air bag on trachea cannula front end outer side wall also has much room for improvement, and air bag is attached
It in a kind of tangible structure on trachea cannula front end outer side wall, is connected directly with the pipe shaft of trachea cannula.The main work of air bag
With being gap between airbag aeration rear enclosed surrounding catheter and tracheal wall, prevent the gas leakage after inflation and avoid the upper respiratory tract
The reflux erroneous aspiration of secretion or gastric content, while can also fix trachea cannula.And used by the prior art sliding surface air bag without
Tunica mucosa tracheae between method and tracheal rings is bonded completely, on the one hand easily occurs to ooze under under secretion or gastric content to exhale
It inhales road and causes infection, simultaneously because fitting closely can not cause gas leakage to cause anaesthetic effect bad.
It can thus be seen that lack the special trachea cannula of large-scale pig on the market, and the trachea cannula of people is on the one hand
There are many deficiencies, and on the other hand, the trachea cannula of people can not meet the requirement of porcine related experiment.
Invention content
The present invention be directed to user replaces the experiment that pig carries out with trachea cannula with trachea cannula always currently on the market
Operation solves the present situation without being used for large-scale pig trachea cannula, by using for reference and improving the prior art of people's trachea cannula,
Develop a kind of trachea cannula dedicated for large-scale pig.
Large size pig trachea cannula of the present invention, including intubation pipe shaft, drug release ring, air bag, injection small hose, inflation
Small hose and intubation tail portion tube head；The front end of the intubation pipe shaft is intubation head, and the inside on the intubation head, which is fixed with, releases
Cyclome, the outer wall for being intubated head are cased with air bag；The end of the intubation pipe shaft is fixedly connected with intubation tail portion tube head；The inflation
Small hose is pierced by tube wall and air bag in the inside of intubation pipe shaft, the one end inflated small hose insertion and be fixed on intubation pipe shaft inner wall
It is connected, the tail end tube wall of the other end from intubation pipe shaft is pierced by；Described injection small hose one end is connected with drug release ring, the other end
It is pierced by from the tail end tube wall of intubation pipe shaft.
Preferably, the intubation head is rigid PVC material, and intubation head is inclined-plane, and the angle on inclined-plane is 45 degree.
Preferably, which further includes Mo Feikong, which further includes Mo Feikong, and intubation head is equipped with Mo Feikong.
Preferably, the drug release ring is located at the rear side of Mo Feikong.
Preferably, the air bag is located at the rear side of Mo Feikong, and airbag shape is bulge loop line shape, the shape of bulge loop line and pig gas
The ring grain structure of inside pipe wall matches, and bulge loop line number is 6-10, and there are gap, the width in the gap between adjacent bulge loop line
It spends for 2-3mm, the width of the single bulge loop line is 2-2.5mm, is highly 2.2-2.5mm.
Preferably, the telescopic intubation portion is located at the tail end of intubation pipe shaft and is fixedly connected with intubation tail portion tube head,
Telescopic intubation portion length in contraction state is 10cm, and in extended configuration, length is 20cm..
Preferably, PVC material of the intubation tail portion tube head for hardness, size dimension can be customized and replace.
Preferably, the making material of the cannula body is soft PVC, and length is 85cm to 95cm, cannula body it is outer
Diameter is 20mm, internal diameter 18mm.
Preferably, the trachea cannula is divided into three parts by color, color be followed successively by from the beginning to the end it is red, yellow, blue, respectively
Partial-length is respectively 25cm, 50cm, 10cm, while in cannula outer wall reference mark.
Preferably, the unidirectional charging valve is connected with inflating the other end of small hose, is filled inside unidirectional charging valve
There is strainer.
Large size pig trachea cannula of the present invention, is mainly used in and is studied by experimental animal of pig, especially
The insertion pig tracheae in surgical procedure is needed to anaesthetize pig, user always is on the one hand eliminated and replaces pig with trachea cannula
With the experimental implementation that trachea cannula carries out there are the drawbacks of, be more suitable for the correlation using pig as experimental animal or research object and grind
Study carefully；On the other hand, effectively reduce during traditional sliding surface sac trachea cannula use may caused by complication generation, especially
It is the generation of Ventilator Associated Pneumonia (VAP).The configuration of the present invention is simple, easy to operate, materials'use is few, at low cost, just
In large-scale production and marketing.
Description of the drawings
Fig. 1 is the structure diagram of large-scale pig trachea cannula of the present invention.
Fig. 2 is the partial enlargement structural representation of intubation pipe shaft front end of the present invention.
Fig. 3 is the partial enlargement structural representation of intubation pipe shaft tail end of the present invention.
Wherein mark：1- Mo Fei holes；2- drug release rings；3- air bags；4- injection small hoses；5- inflates small hose；6- is scalable
Intubation portion；7- is intubated tail portion tube head；8- is intubated pipe shaft；The unidirectional charging valves of 9-.
Specific embodiment
The specific embodiment of the present invention is described in further detail below in conjunction with attached drawing：
Specific embodiment one：Illustrate present embodiment referring to Fig. 1.A kind of large-scale pig tracheae described in present embodiment
Intubation, including intubation pipe shaft 8, drug release ring 2, air bag 3, injection small hose 4, inflation small hose 5 and intubation tail portion tube head 7；It is described
The front end for being intubated pipe shaft 8 is intubation head, and the inside on the intubation head is fixed with drug release ring 2, and the outer wall for being intubated head is cased with
Air bag 3；The end of the intubation pipe shaft 8 is fixedly connected with intubation tail portion tube head 7；The inflation small hose 5 is in intubation pipe shaft 8
Inside, inflation small hose 5 are embedded in and are fixed on one end of intubation 8 inner wall of pipe shaft and be pierced by tube wall and be connected with air bag 3, the other end
It is pierced by from the tail end tube wall of intubation pipe shaft 8；Described 4 one end of injection small hose with drug release ring 2 be connected, the other end from intubation pipe shaft
8 tail end tube wall is pierced by.
Large size pig trachea cannula of the present invention, in specific operation process, first struts snoot, in laryngoscope
Under auxiliary, pig tracheae is inserted into intubation head by operator it can be seen that the tracheae and esophagus of pig visible in detail；Then pass through
It inflates small hose 5 to inflate in air bag 3, has apparent pressure when feeling in gas replenishment process, when can not be charged into gas, illustrate gas
Capsule 3 has swollen completely at this time, while gently twitches trachea cannula with hand, makes the ring grain on its air bag 3 and the fold on pig tracheae
Fully fitting, or else when fill gas toward air bag 3 by inflating small hose 5, it is ensured that air bag 3 is bonded completely with pig tracheae；Finally
Trachea cannula is fixed in snoot portion with medical adhesive tape, after the completion of fixed, interchangeable hardness is intubated tail end 7 and connects breathing fiber crops
Liquor-saturated instrument opens breathing anaesthetic device.
It, can be by syringe toward injection when tracheae secretion mucus, which occurs, in pig excessively causes cough and asthma in anaesthesia process
4 injection of medicine of small hose, drug, which arrives at the drug release inflow pig tracheal strips of ring 2, alleviates this situation.
At the end of anesthesia, breathing anaesthetic device is first switched off, pig is allowed to breathe the pure oxygen of a few minutes, is then disconnected interchangeable
Hardness intubation tail end 7, the gas in air bag 3 is aspirated again by inflation small hose 5, until feeling that trachea cannula loosens, finally
It extracts trachea cannula out, completes anaesthesia process.
Specific embodiment two illustrates present embodiment referring to Fig. 1 and 2.Present embodiment is to specific embodiment one
The further restriction of the large-scale pig trachea cannula, in present embodiment, PVC material of the intubation head for hardness,
Intubation head is inclined-plane, and the angle on inclined-plane is 45 degree.
Intubation head is fabricated to inclined plane shape, is conducive to intubation and is inserted into pig throat and tracheae, while ensures that being intubated head exists
Pig throat and pig tracheae will not be caused to damage when being inserted into pig tracheae.
Compared with prior art, the intubation head of pig trachea cannula is rigid pipeline section, the pig trachea cannula
Intubation pipe shaft 8 be soft pipeline section；The hardness pipeline section is not easy the deformation that gives a discount, and the soft pipeline section is flexible but is not easy to give a discount,
Hard tube section is for example intubated head and is inserted into pig tracheae as intubation front end when using, it is not easy to interior in snoot to give a discount or pushed up
Go out, flexible tube section is namely intubated pipe shaft 8 can fully be bonded the bending of pig tracheae, reasonable design in catheterization procedure.
Specific embodiment three illustrates present embodiment referring to Fig. 2.Present embodiment is to specific embodiment one or two
The further restriction of the large-scale pig trachea cannula, in present embodiment, which further includes Mo Fei holes 1, is intubated head
Equipped with Mo Fei holes 1.
The trachea cannula adds Mo Fei holes 1 on intubation head, can be used as back up ventilation hole, prevents from intubation being inserted into pig
Oral cavity or secretion blocks cannula port during tracheae, cause intubation can not air inlet, block the breathing of pig.
Specific embodiment four illustrates present embodiment referring to Fig. 2.Present embodiment is to specific embodiment one or three
The further restriction of the large-scale pig trachea cannula, in present embodiment, the drug release ring 2 is located at the rear side in Mo Fei holes 1.
Setting drug release ring 2 purpose be：In anaesthesia process, when, which there is tracheae secretion mucus, in pig excessively causes cough and asthma,
Can be by syringe toward 4 injection of medicine of injection small hose, drug is flowed after arriving at drug release ring 2 by being intubated the Mo Fei holes 1 on head
Enter pig tracheal strips and alleviate this situation.
Specific embodiment five illustrates present embodiment referring to Fig. 2.Present embodiment is to specific embodiment one or three
The further restriction of the large size pig trachea cannula, in present embodiment, the air bag 3 is located at the rear side in Mo Fei holes 1, air bag
3 shapes are bulge loop line shape, and the shape of bulge loop line matches with the ring grain structure of pig inner surface of trachea, and bulge loop line number is 6-10,
There are gaps between adjacent bulge loop line, and the width in the gap is 2-3mm, and the width of the single bulge loop line is 2-2.5mm,
Highly it is 2.2-2.5mm.
The main function of air bag is the gap between airbag aeration rear enclosed surrounding catheter and tracheal wall, after preventing inflation
Gas leakage and the reflux erroneous aspiration for avoiding upper respiratory tract secretion or gastric content, while can also fix trachea cannula.And existing skill
Sliding surface air bag can not be completely bonded with the tunica mucosa tracheae between tracheal rings used by art, and secretion on the one hand easily occurs
Or oozed under gastric content to lower respiratory tract and cause infection, so as to cause Ventilator Associated Pneumonia (VAP) complication；The opposing party
Face closely can also not cause gas leakage to cause anaesthetic effect bad due to fitting.
The prior art is improved by sliding surface airbag design into bulge loop line shape, the shape of bulge loop line and the ring grain knot of pig inner surface of trachea
Structure matches, and preferably bulge loop line number is 8, when bulge loop line shape air bag 3 is inserted into the tracheae of pig, air bag 3 and pig cartilagines tracheales
Being fitted into for ring is even closer, and it is incomplete to solve the problems, such as that traditional sliding surface air bag is bonded with inner surface of trachea, largely drops
The incidence of gas leakage or hypoventilation caused by the low upper respiratory tract and gastric content leakage, so as to reduce bacterium, sputum or
Person is the amount that gastroesophageal reflux object enters lung cavity, reduces and the probability that cough causes unusual fluctuation occurs, even if there is unusual fluctuation in art
When, intubation is also not easy to be shifted or be come by expectoration.
Air bag 3 is easy to operate, and application method is similar to traditional sliding surface sac trachea cannula, only should be noted the inflation of air bag
Situations such as measuring, avoiding excessively inflation and under-inflation, is not required to especially train.
Specific embodiment six illustrates present embodiment referring to Fig. 3.Present embodiment is to described in specific embodiment one
Large-scale pig trachea cannula further restriction, in present embodiment, which further includes telescopic intubation portion 6, described
Telescopic intubation portion 6 is located at the tail end of intubation pipe shaft 8 and is fixedly connected with intubation tail portion tube head 7, and telescopic intubation portion 6 exists
Length is 10cm during contraction state, and in extended configuration, length is 20cm.
The length of intubation 8 tail end of pipe shaft can be changed by the collapsing length for adjusting telescopic intubation portion 6, adjust tracheae
The total length of intubation, scalable ranging from 10cm disclosure satisfy that the trachea cannula of all large-scale pigs from 125kg to 150kg
Length changes demand.
Specific embodiment seven illustrates present embodiment referring to Fig. 3.Present embodiment is to described in specific embodiment one
Large-scale pig trachea cannula further restriction, in present embodiment, PVC material of the intubation tail portion tube head 7 for hardness,
Its size dimension can be customized and replace.
The intubation tail portion tube head 7 can preferably connect breathing anaesthetic device, material using the PVC material of hardness in order to it
It is more wear-resistant, ageing-resistant and durable.
The size dimension of the intubation tail portion tube head 7 can be customized and replace according to the model of used breathing anaesthetic device
It changes, has widened the use scope of trachea cannula, avoid the limitation of trachea cannula connection different model anaesthetic apparatus.
Specific embodiment eight illustrates present embodiment referring to Fig. 1.Present embodiment is to described in specific embodiment one
Large-scale pig trachea cannula further restriction, in present embodiment, the making material of the intubation pipe shaft 8 is soft PVC,
Length is 85cm to 95cm, and the outer diameter of cannula body is 20mm, internal diameter 18mm.
For the making material of the intubation pipe shaft 8 for soft PVC, soft PVC is flexible but is not easy to give a discount, intubation pipe during use
Body 8 can fully be bonded the bending of pig tracheae, reasonable design.
Present invention is mainly used for weight 125-150kg pig, the real data through a large amount of bulk measurements count to obtain from
Average length of the throat at bronchus is 25cm, and the average length from snoot portion to throat is 50cm to 60cm, in addition also
The 10cm parts to be attached breathing anaesthetic device in outside are reserved, so removing intubation tail portion, the length of trachea cannula is extremely
Should be 85cm less.
The present invention extends intubation length, the internal diameter for increasing intubation, eliminates according to the respiratory tract and breathing characteristic of pig
In response to employment with trachea cannula length it is too short caused by it is inconvenient and tracheae can not be inserted into asking in large-scale pig tracheae
Topic；The increase of cannula inner diameter simultaneously, which is also eliminated, because cannula inner diameter is too small to be led to that when the oxygen content being intubated is very few pig can not be met
Lung capacity, pig is caused to be short of breath when anaesthetizing the phenomenon that even resulting in death.
Specific embodiment nine illustrates present embodiment referring to Fig. 1.Present embodiment is to described in specific embodiment one
Large-scale pig trachea cannula further restriction, in present embodiment, the trachea cannula 8 is divided into three parts by color,
Color is followed successively by red, yellow, blue from the beginning to the end, and each section length is respectively 25cm, 50cm, 10cm, while is marked in cannula outer wall
Scale.
The trachea cannula is inserted into throat from snoot portion and then is inserted at bronchus, since the position of insertion is different, by tracheae
Intubation by color is divided into three parts, and length 25cm part of the throat to bronchus at is marked as red, by snoot portion to larynx
The 50cm parts in portion mark yellowly and reserve to be marked as indigo plant to be attached the 10cm parts of breathing anaesthetic device in outside
Color, while reference mark facilitate experimenter to observe the insertion situation of trachea cannula, are conducive to the positioning of trachea cannula.
Specific embodiment ten illustrates present embodiment referring to Fig. 1.Present embodiment is to described in specific embodiment one
The further restriction of large-scale pig trachea cannula, in present embodiment, the unidirectional charging valve 9 is another with inflation small hose 5
One end is connected, and unidirectional 9 inside of charging valve is equipped with strainer.
The unidirectional charging valve 9 is connected with inflation small hose 5, when inflation completion due to being one-way cock, so
Gas will not be released；The unidirectional charging valve 9 of head top pressure with syringe, air bag are needed when needing and extract the gas in air bag out
It can just deflate, for the unidirectional inflation of air bag 3.
Large size pig trachea cannula of the present invention is independent aseptic packaging, and disposable products are reduced because repeating to make
Event is infected with caused cross-infection or caused by sterilizing is not thorough.
Particular embodiments described above has carried out the purpose of the present invention, technical solution and advantageous effect further in detail
It describes in detail bright.It should be understood that the above is only a specific embodiment of the present invention, it is not intended to restrict the invention, also
Can be the reasonable combination of feature that above-mentioned each embodiment is recorded, all timess within spirit of the invention and principle, done
What modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of big build pig trachea cannula, which is characterized in that including intubation pipe shaft (8), drug release ring (2), air bag (3), note
Medicine small hose (4), inflation small hose (5) and intubation tail portion tube head (7)；
The front end of the intubation pipe shaft (8) is intubation head, and the inside on the intubation head is fixed with drug release ring (2), is intubated head
The outer wall in portion is cased with air bag (3)；
The end of the intubation pipe shaft (8) is fixedly connected with intubation tail portion tube head (7)；
The inflation small hose (5) is simultaneously fixed on intubation pipe shaft (8) in the inside of intubation pipe shaft (8), inflation small hose (5) insertion
One end of inner wall is pierced by tube wall and is connected with air bag (3), and the tail end tube wall of the other end from intubation pipe shaft (8) is pierced by；
Described injection small hose (4) one end is connected with drug release ring (2), and the tail end tube wall of the other end from intubation pipe shaft (8) is pierced by.
2. large size pig trachea cannula according to claim 1, which is characterized in that the intubation head is hardness PVC materials
Matter, intubation head are inclined-plane, and the angle on inclined-plane is 45 degree.
3. large size pig trachea cannula according to claim 1 or 2, which is characterized in that the intubation further includes Mo Feikong
(1), intubation head is equipped with Mo Feikong (1).
4. the large-scale pig trachea cannula according to claim 1 or 3, which is characterized in that the drug release ring (2) is positioned at black luxuriant and rich with fragrance
The rear side in hole (1).
5. the large-scale pig trachea cannula according to claim 1 or 3, which is characterized in that the air bag (3) is positioned at Mo Feikong
(1) rear side, air bag (3) shape are bulge loop line shape, and the shape of bulge loop line matches with the ring grain structure of pig inner surface of trachea, bulge loop
Line number is 6-10, and there are gaps between adjacent bulge loop line, and the width in the gap is 2-3mm, the single bulge loop line
Width is 2-2.5mm, is highly 2.2-2.5mm.
6. large size pig trachea cannula according to claim 1, which is characterized in that the intubation further includes telescopic intubation
Portion (6), the telescopic intubation portion (6) are fixedly connected positioned at the tail end for being intubated pipe shaft (8) and with intubation tail portion tube head (7),
Telescopic intubation portion (6) length in contraction state is 10cm, and in extended configuration, length is 20cm.
7. large size pig trachea cannula according to claim 1, which is characterized in that the intubation tail portion tube head (7) is hard
The PVC material of property, size dimension can be customized and replace.
8. large size pig trachea cannula according to claim 1, it is characterised in that：It is described intubation (8) making material be
Soft PVC, length are 85cm to 95cm, and the outer diameter for being intubated pipe shaft is 20mm, internal diameter 18mm.
9. large size pig trachea cannula according to claim 1, it is characterised in that：The trachea cannula is divided by color
Into three parts, color is followed successively by red, yellow, blue from the beginning to the end, and each section length is respectively 25cm, 50cm, 10cm, while is being intubated
Outer wall reference mark.
10. large size pig trachea cannula according to claim 1, it is characterised in that：The unidirectional charging valve (9) is with filling
The other end of gas small hose (5) is connected, and strainer is housed inside unidirectional charging valve (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810054633.9A CN108245277A (en) | 2018-01-19 | 2018-01-19 | A kind of big build pig trachea cannula |
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| CN201810054633.9A CN108245277A (en) | 2018-01-19 | 2018-01-19 | A kind of big build pig trachea cannula |
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