CN105832445B - A kind of trachea cannula of animal bipartial opener - Google Patents

A kind of trachea cannula of animal bipartial opener Download PDF

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Publication number
CN105832445B
CN105832445B CN201610374385.7A CN201610374385A CN105832445B CN 105832445 B CN105832445 B CN 105832445B CN 201610374385 A CN201610374385 A CN 201610374385A CN 105832445 B CN105832445 B CN 105832445B
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China
Prior art keywords
distraction plate
plate
distraction
opener
hole
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CN105832445A (en
Inventor
蔡秀军
孟柠
梁霄
段炼
姜文斌
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Zhejiang University ZJU
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Zhejiang University ZJU
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61DVETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
    • A61D15/00Mouth openers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61DVETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
    • A61D7/00Devices or methods for introducing solid, liquid, or gaseous remedies or other materials into or onto the bodies of animals
    • A61D7/04Devices for anaesthetising animals by gases or vapours; Inhaling devices

Abstract

The invention discloses a kind of trachea cannula of animal bipartial opener, including the first distraction plate, two long sides turn down to form the first side shield to the same side, and same one end of two first side shields is provided with articulated elements positioned opposite;Second distraction plate, there is the side of the first side shield installed in first distraction plate, the both sides of one end connect with corresponding articulated elements respectively, and second distraction plate rotates the channel sized formed between the two to adjust relative to the first distraction plate;Adjusting nut, any supporting plate is provided with through hole in the plate face away from the articulated elements in first distraction plate and the second distraction plate, and the adjusting nut is connected with the through hole;Strut is adjusted, is coordinated through the through hole and in the adjusting nut screw thread, one end is connected with being not provided with the supporting plate of through hole;The present invention can replace presently used artificial rope set to prick drawing method, and being not required to more people's cooperations can keep experiment pig oral cavity to be in open state, and the big I of opening angle is arbitrarily adjusted.

Description

A kind of trachea cannula of animal bipartial opener
Technical field
The present invention relates to zoopery technical field of medical instruments, more particularly to a kind of trachea cannula of animal is with two Intercept form opener.
Background technology
With the iterative method of medical research cause, the range of choice of experimental animal is from meiofaunas such as mouse, rabbits to large-scale Animal extends.At present, all kinds of medical surgeries based on experiment pig and basic research test to obtain mushroom development.Trachea general anesthesia intubation It is the general anaesthesia method for carrying out big zoopery, experiment effect is good.But experiment pig has its special anatomical features, due to Its oral cavity is long and narrow so that common large size laryngoscope is extremely difficult to epiglottis root exposure glottis, and tongue is thick and long glottis is easily hidden Lid, trachea cannula are relatively difficult.
More at this stage be intubated in experiment pig in anaesthesia process carries out drawing opening using the upper jaw and the lower jaw of people's rope set bundle pig, One people pulls out tongue using sponge holding forceps clamp and struts epiglottis, and the mode that a people holds trachea cannula operation exposes glottis and carries out tracheae and inserts Pipe, implementation process is simultaneously inconvenient, and needs more people's integration and cooperations.Because multiple person cooperational coordinates the exposure of difficult and glottis undesirable etc. Factor, the success rate of disposable intubation in place be not high.Repeated intubation often causes experiment pig larynx to damage in various degree even Cause to inhale death etc. by mistake, waste time and energy and influence the reliability of experiment process and experimental data.In addition, experiment pig tooth is more and cutting edge of a knife or a sword Profit, trachea cannula are hollow plastic products, without any protection in pig oral cavity, are easy to fold and gall, cause and inputted through air flue Volatile anesthetic medicine can not at the uniform velocity into even leak cause experimenter miss inhalation anesthetic.
Also there are some openers in the prior art, such as Authorization Notice No. CN 204016552U patent document discloses A kind of animal doctor is related to Animal Medicine instrument field with livestock opener, is made up of pincerlike device and horseshoe annular fixed pieces, its Articulated horseshoe annular fixed pieces, the side of pincerlike device handle end and support limit in described pincerlike device jaw both ends One end connection of plate, the other end of pincerlike device are provided with position-limitting pin, the other end of described support limit plate provided with one group with On angled recess be used cooperatively with position-limitting pin.Above-mentioned opener has simple in construction, easy to operate, cost of manufacture It is low, it is safe, can be good by the mouth opening fixation of live pig, opening effect, the damage to live pig is small, and easy to carry, application Scope is wide, and the livestock such as sheep, dog equally can be used.
But said apparatus is provided with handle end outside, so as to be blocked to the oral area of animal, trachea cannula is not suitable for This operation, based on the above situation, be badly in need of a effective opener of design invention with change experiment pig tracheal intubation difficulty and Intubation safeguards the situation being not easy in anaesthesia process.
The content of the invention
It is simple in construction the invention discloses a kind of trachea cannula of animal bipartial opener, it is easy to use, it is stable Experiment pig is kept to be in open state and convenient progress trachea cannula.
A kind of trachea cannula of animal bipartial opener, including:
First distraction plate, two long sides turn down the first side shield to form substantially vertical first distraction plate to the same side, and two Same one end of one side shield is provided with articulated elements positioned opposite;
Second distraction plate, has the side of the first side shield installed in first distraction plate, the both sides of one end respectively with Corresponding articulated elements connection, it is big that second distraction plate rotates the passage formed between the two to adjust relative to the first distraction plate It is small,
Adjusting nut, any supporting plate is in the plate face away from the articulated elements in first distraction plate and the second distraction plate Provided with through hole, the adjusting nut is connected with the through hole;
Strut is adjusted, is coordinated through the through hole and in the adjusting nut screw thread, one end and the support for being not provided with through hole Plate is connected.
The present invention is surrounded and formed with reference to the first distraction plate body and the second distraction plate by the first side shield of turnover Into the passage of trachea cannula;The first distraction plate and the second distraction plate being hinged are used for the upper jaw and the lower jaw for strutting experiment pig, and lead to The angle of strut and adjusting nut regulation opening is overregulated so as to adjusting the size of passage.
In order to increase the original size of passage, it is preferred that two long sides of second distraction plate are to the first distraction plate direction Turnover forms the second side shield of substantially vertical first distraction plate, and two second side shields connect with corresponding articulated elements respectively.Hinge Fitting can use activity clencher.
In order to clear away shelter before air flue glottis, pendant blocks glottis opening after avoiding the root of the tongue, it is preferred that described first struts Any supporting plate is pressed from both sides in the one end of lateral surface away from articulated elements provided with tongue in plate and the second distraction plate.
Preferably, the distraction plate provided with tongue folder is lower jaw distraction plate, and tongue folder includes:
Strap, installed in lower jaw distraction plate lateral surface;
Ambulatory splint, it is connected to be formed with strap by elastic component and leads to along the clamping of lower jaw distraction plate length direction extension Road.I.e. it is vertical with the direction that lower jaw distraction plate deploys to be relatively fixed the direction that clamping plate struts for ambulatory splint.
In order that tongue folder can be moved along lower jaw distraction plate with the animals tongue suitable for different length, it is preferred that institute State lower jaw distraction plate and be provided with the chute extended along its length, the strap carries the active lock coordinated with the chute Tight part.Movable locking member can use the lock nut of bolt and cooperation.
Specifically, two parallel hollow slots are opened along its length as chute, strap two in lower jaw distraction plate Side is provided with the nut bolt as movable locking member, and nut bolt is arranged in corresponding hollow slots;Two bolts can be put Enter in hollow slots, after bolt is put into hollow slots, the medial surface of lower jaw distraction plate is stretched into one end, then pacifies respectively on medial surface Lock nut corresponding to dress, fix tongue folder.The position that tongue presss from both sides can be adjusted along hollow slots direction after unclamping lock nut, regulation is arrived Correct position can clamp nut again, tongue folder is fixed on correct position, so, can be according to pig tongue length dynamic regulation tongue Press from both sides position.Typical elastic component uses the stainless steel of radian.In use, tongue is laid flat in the outside of lower jaw distraction plate, firmly handle Ambulatory splint and the strap of tongue folder separate, and the two sides that tongue presss from both sides through tongue, then decontrol the ambulatory splint of tongue folder, tongue The ambulatory splint of folder just clamps tongue by elastic component.
In order to improve the consolidation effect of supporting plate, it is preferred that two piece of first described side shield offers use positioned opposite In the first lacing hole through tied rope.
In order to improve the consolidation effect of supporting plate, it is preferred that two piece of second described side shield offers use positioned opposite In the second lacing hole through tied rope.
In order to simplify structure, while it is easily installed use, it is preferred that the adjusting nut is fixedly mounted on the through hole It is interior.
Strut is adjusted in order to facilitate rotating, it is preferred that the other end of the regulation strut is bent to form turning handle to side Hand.
For ease of sterilization, while avoid damage to mucous membrane in oral cavity, it is preferred that first distraction plate and the second distraction plate Using stainless steel, and soft silicon glue material is wrapped up on surface.
The technical problem to be solved in the present invention is:A kind of stable holding experiment pig is provided to be in open state and facilitate tracheae The opener of intubation.The opener of the present invention is easy to sterilize for stainless steel products, and surface parcel soft silicon glue material, operates Cheng Zhongke avoids damage to mucous membrane in oral cavity.The opener of the present invention replaces presently used artificial rope set to prick drawing method, is not required to More people coordinate can mechanicalness keep experiment pig oral cavity be in open state, being open (passage) angular dimension can be by adjusting strut Any regulation.Pressed from both sides on opener equipped with special tongue, substitute the method that more people at present coordinate sponge holding forceps drawing tongue exposure glottis, Position can be pressed from both sides according to the different length dynamic regulation tongue of experiment pig tongue and effectively retracts tongue exposure glottis, in favor of completing tracheae Intubation realizes inhalation anesthesia.Opener can effectively wrap intubation, the support of opener palate in tracheal intubation anesthesia maintenance process Plate props up palate, lower jaw supporting plate props up lower jaw, tongue is fixed on lower jaw supporting plate and pressed from both sides with the tongue on lower jaw contact surface, tracheae Intubation can be wrapped effectively from inserting tracheae between two supporting plates.So as to avoid intubation from galling or extrude folding by pig tooth Caused anaesthetic leakage jeopardizes the health risk situation of laboratory technician, it also avoid experiment pig caused by anaesthetic leakage or input deficiency Situations such as depth of anesthesia exception.
The supporting plate that tongue folder is provided with the present invention is lower jaw distraction plate, and another supporting plate is maxilla distraction plate.
The application method of the present invention is as follows:
Opener is inserted in experiment pig oral cavity, cavity interior is stretched into the hinged end of opener, and the support of lower jaw distraction plate is real The lower jaw of pig is tested, maxilla distraction plate supports the maxilla of experiment pig, pig tongue is drawn into outlet plenum outside lower jaw distraction plate and pressed from both sides with tongue Fixed to keep pig tongue hyperextension position, its purpose is clears away shelter before air flue glottis, and pendant blocks glottis opening after avoiding the root of the tongue.
Lower jaw distraction plate fixing band passes through corresponding lacing hole around lower jaw and closes up fixation in its lateral surface, similarly, on The excessively corresponding lacing hole of palate distraction plate fixing band around palate and closes up fixation in its lateral surface, and its purpose is true to keep opener Cut to be fixed in oral cavity and do not shift.According to the demand of opening angle, strut is adjusted to adjust the folding of two distraction plates by rotating Size, so as to realize any regulation of opening angle size.So far, glottis and exposure oral cavity interpolation tube passage can clearly be appeared, Realize smooth trachea cannula under the clear visual field.
Beneficial effects of the present invention:
The trachea cannula bipartial opener of the animal of the present invention can replace presently used artificial rope set to prick Drawing method, be not required to more people coordinate can mechanicalness keep experiment pig oral cavity to be in open state, the big I of opening angle is arbitrarily adjusted Section.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the opener of the present invention.
Fig. 2 is the structural representation of the lateral surface of the lower jaw distraction plate of the opener of the present invention.
Reference:
1st, maxilla distraction plate;11st, upper side shield;2nd, lower jaw distraction plate;21st, lower side shield;22nd, hollow slots;3 activity rivetings Nail;4th, strut is adjusted;5th, through hole nut;6th, tongue presss from both sides;61st, strap;62nd, ambulatory splint;63rd, elastic component;64th, bolt;7、 Upper lacing hole;8th, lower lacing hole.
Embodiment
As shown in figure 1, the trachea cannula bipartial opener of the animal of the present embodiment includes:Maxilla distraction plate 1, under Jaw distraction plate 2, the activity clencher 3 for being hinged two distraction plates, adjust strut 4, through hole nut 5, for being fixed through maxilla distraction plate Band and the lacing hole and tongue of lower jaw fagging fixing band folder 6.
Two long sides of maxilla distraction plate 1 turn down to form upper side shield 11 to lower jaw distraction plate direction, and the two of lower jaw distraction plate 1 Long side turns down to form lower side shield 21 to maxilla distraction plate direction.
The annexation of above-mentioned part:Two activity clenchers that palate distraction plate 1 passes through the left and right sides with lower jaw distraction plate 2 3 connect as articulated elements, the shape between the overlapping place of upper side shield 11 and lower side shield 21, upper and lower palate distraction plate of activity clencher 3 Into the passage spline structure to match with experiment pig air flue and oropharynx diameter;Palate distraction plate 1 connects logical with a fixed plate Hole nut 5;One L-type screw rod makees regulation strut 4, and L-type screw rod is connected through a screw thread with through hole nut 5, and one end is supportted with lower jaw Open plate 2 against;Lower jaw distraction plate 2 is provided with a tongue outside passage spline structure and presss from both sides 6;On two side shields 11 of palate distraction plate 1 Two relative upper lacing holes 7 are respectively equipped with, palate distraction plate fixing band passes through this two upper lacing holes 7;2 liang of lower jaw distraction plate Two lower lacing holes 8 are made a call in side, and lower jaw distraction plate fixing band passes through this two lower lacing holes 8.
As shown in Fig. 2 tongue folder 6 includes strap 61, installed in the lateral surface of lower jaw distraction plate 2;
Ambulatory splint 62, formation is connected with strap 61 by elastic component 63 and extended along the length direction of lower jaw distraction plate 2 Gripping channel.Elastic component 63 uses the stainless steel of radian.Elastic component 63 can also be torsion spring.
Two parallel hollow slots 22 are opened along its length in lower jaw distraction plate 2 is used as chute, the both sides of strap 51 Nut bolt as movable locking member is installed, nut bolt is arranged in corresponding hollow slots 22;Two bolts 64 can be with It is put into hollow slots 22, after bolt 64 is put into hollow slots 22, the medial surface of lower jaw distraction plate 2 is stretched into one end, then in inner side Lock nut (being not drawn into figure) corresponding to being installed respectively on face, is more convenient, lock nut is solid in medial surface regulation lock nut Surely tongue folder 6 is lived.The position of tongue folder 6 can be adjusted after lock nut 64 along the direction of hollow slots 22 by unclamping, and regulation to correct position can be with Lock nut 64 is fastened again, tongue folder 6 is fixed on correct position, so, position can be pressed from both sides according to pig tongue length dynamic regulation tongue Put.In use, tongue is laid flat the lateral surface in lower jaw distraction plate 2, firmly the ambulatory splint 62 of tongue folder 6 is divided with strap 61 Open, the gripping channel the two sides that tongue presss from both sides through tongue, then decontrol the ambulatory splint 62 of tongue folder 6, the ambulatory splint of tongue folder 6 62 just clamp tongue by elastic component 63.
The application method of the opener of the present embodiment is as follows:
Prepare before the calm progress tracheal intubation anesthesia of experiment pig conventional base intramuscular injection.Experiment pig is faced upward to lie and is fixed on reality Test on platform.Opener posting port intracavitary, confirm that the upper and lower jaw distraction plate 1 of opener, 2 junctions reach oropharynx plane.Inserted Palate distraction plate 1 is should be noted in journey to palate, lower jaw distraction plate 2 is to lower jaw.Insert during opener and support pig tongue in lower jaw Open the outside of plate 2 to haul out, it is ensured that pig tongue hyperextension and be fixed on the tongue folder 6 that the lateral surface of lower jaw distraction plate 2 is connected.Lower jaw supports Open plate fixing band and close up fixation through lower lacing hole 8 around lower jaw and in its lateral surface, palate distraction plate fixing band is passed through and above worn Cord hole 7 closes up fixation around palate and in its lateral surface, keeps opener to be definitely fixed in oral cavity and does not shift.
Now, the passage spline structure formed between upper and lower jaw distraction plate 1,2 smoothly docks with supraglottic airway.Rotate L-type spiral shell Bar, L-type screw rod is promoted to the direction of lower jaw distraction plate 2, increase opening angle under direct-view until can clearly appear glottis knot Structure.Trachea cannula is smoothly sent into air flue through glottis, the air bag for intubation of substituting the bad for the good is intubated with fixed, and intubation is connected into Anesthesia machine.Instead Direction rotates L-type screw rod, and rotation L-type screw rod reduces opening angle until upper and lower plates can effectively protect but tracheas suppressed is not intubated. Experiment terminates, and after anesthesia recovery, rotates L-type screw rod increase opening angle again, looks at glottis straight, extubation, give simultaneously The secretion that sputum aspirator tube is sopped up around glottis reduces the generation of airway obstruction after anesthesia.Opposite direction rotation L-type screw rod again, reduces Opening angle returns to original position up to upper and lower plates, unties fixing band up and down, takes out opener.Anesthesia terminates.
In summary, the opener of the present embodiment replaces presently used artificial rope set to prick drawing method, is not required to more people and matches somebody with somebody Close can mechanicalness keep experiment pig oral cavity to be in open state, the big I of opening angle is arbitrarily adjusted;On opener equipped with Special lossless clamp pulling device, the method that more people at present coordinate sponge holding forceps drawing tongue exposure glottis is substituted, can be according to experiment The different length dynamic regulation of pig tongue effectively retracts tongue exposure glottis and realizes inhalation anesthesia in favor of completing trachea cannula;Open Mouthpart can effectively wrap intubation so as to avoid intubation from galling or extrude folding by pig tooth in tracheal intubation anesthesia maintenance process Caused anaesthetic leakage jeopardizes the health risk situation of laboratory technician, it also avoid experiment pig caused by anaesthetic leakage or input deficiency Situations such as depth of anesthesia exception.

Claims (7)

  1. A kind of 1. trachea cannula of animal bipartial opener, it is characterised in that including:
    First distraction plate, two long sides turn down the first side shield to form substantially vertical first distraction plate, two first sides to the same side Same one end of baffle plate is provided with articulated elements positioned opposite;
    Second distraction plate, has the side of the first side shield installed in first distraction plate, the both sides of one end respectively with it is corresponding Articulated elements connection, second distraction plate with respect to the channel sized that is formed between the two with adjusting of the first distraction plate rotation,
    Adjusting nut, any supporting plate is provided with the plate face away from the articulated elements in first distraction plate and the second distraction plate Through hole, the adjusting nut are connected with the through hole;
    Strut is adjusted, is coordinated through the through hole and with the adjusting nut screw thread, one end is supported with being not provided with the supporting plate of through hole By connection;
    Any supporting plate is pressed from both sides in the one end of lateral surface away from articulated elements provided with tongue in first distraction plate and the second distraction plate;
    Distraction plate provided with tongue folder is lower jaw distraction plate, and tongue folder includes:
    Strap, installed in lower jaw distraction plate lateral surface;
    Ambulatory splint, the gripping channel to be formed and extended along lower jaw distraction plate length direction is connected with strap by elastic component;
    The lower jaw distraction plate is provided with the chute extended along its length, and the strap carries what is coordinated with the chute Movable locking member.
  2. 2. the trachea cannula of animal as claimed in claim 1 bipartial opener, it is characterised in that described second struts Two long sides of plate turn down the second side shield to form substantially vertical second distraction plate, two second side shields to the first distraction plate direction Connected respectively with corresponding articulated elements.
  3. 3. the trachea cannula of animal as claimed in claim 1 bipartial opener, it is characterised in that described two piece One side shield offers the first lacing hole positioned opposite being used for through tied rope.
  4. 4. the trachea cannula of animal as claimed in claim 2 bipartial opener, it is characterised in that described two piece Two side shields offer the second lacing hole positioned opposite being used for through tied rope.
  5. 5. the trachea cannula of animal as claimed in claim 1 bipartial opener, it is characterised in that the adjusting nut It is fixedly mounted in the through hole.
  6. 6. the trachea cannula of animal as claimed in claim 1 bipartial opener, it is characterised in that the regulation strut The other end be bent to form swing handle to side.
  7. 7. the trachea cannula of animal as claimed in claim 1 bipartial opener, it is characterised in that described first struts Plate and the second distraction plate use stainless steel, and surface parcel soft silicon glue material.
CN201610374385.7A 2016-05-30 2016-05-30 A kind of trachea cannula of animal bipartial opener Active CN105832445B (en)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109431646B (en) * 2018-10-27 2020-09-11 王顺山 Can prevent canine mouth gag that liquid oozes
CN111772862B (en) * 2020-08-12 2022-07-22 李明磊 Pig breeding opening fixing equipment
CN113797045A (en) * 2021-08-24 2021-12-17 上海交通大学医学院附属第九人民医院 Anesthesia branch of academic or vocational study difficult air flue patient trachea cannula device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5718665A (en) * 1997-04-18 1998-02-17 Stubbs; R. Clay Animal speculum and method of use
CN103720525A (en) * 2013-12-26 2014-04-16 吴燕妮 Mouth dilator for animal tests
CN203555859U (en) * 2013-11-07 2014-04-23 黑龙江职业学院 Animal oral cavity opening device used by veterinarians during diagnosis and treatment
CN203953873U (en) * 2014-08-06 2014-11-26 张海梅 Domestic animal face dilator
CN204379487U (en) * 2014-12-10 2015-06-10 孙卫香 Domestic animal oral cavity spreader

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5718665A (en) * 1997-04-18 1998-02-17 Stubbs; R. Clay Animal speculum and method of use
CN203555859U (en) * 2013-11-07 2014-04-23 黑龙江职业学院 Animal oral cavity opening device used by veterinarians during diagnosis and treatment
CN103720525A (en) * 2013-12-26 2014-04-16 吴燕妮 Mouth dilator for animal tests
CN203953873U (en) * 2014-08-06 2014-11-26 张海梅 Domestic animal face dilator
CN204379487U (en) * 2014-12-10 2015-06-10 孙卫香 Domestic animal oral cavity spreader

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