CN201361336Y - Rat tracheal intubation device guided by internally-arranged optical fiber - Google Patents
Rat tracheal intubation device guided by internally-arranged optical fiber Download PDFInfo
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- CN201361336Y CN201361336Y CNU2009200515962U CN200920051596U CN201361336Y CN 201361336 Y CN201361336 Y CN 201361336Y CN U2009200515962 U CNU2009200515962 U CN U2009200515962U CN 200920051596 U CN200920051596 U CN 200920051596U CN 201361336 Y CN201361336 Y CN 201361336Y
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- laryngoscope
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Abstract
The utility model discloses a rat tracheal intubation device guided by an internally-arranged optical fiber. The rat tracheal intubation device is characterized in that the device comprises a light source (1), an optical fiber (2), a tracheal tube (3) and a laryngoscope (4), wherein, the tracheal tube (3) comprises a plastic sleeve (3-1) and a hard tube core (3-2) which is bent into an arc of 145 degrees and internally arranged in the plastic sleeve (3-1); the laryngoscope (4) comprises a laryngoscope handle (4-1) and a laryngoscope blade (4-2); the front end of the laryngoscope blade is bent; the joint of the laryngoscope handle (4-1) and the laryngoscope blade (4-2) is bent into an included angle; a hard light output end of the light source (1) is connected with one end of the optical fiber (2); and the other end of the optical fiber (2) is arranged in the inner cavity of the hard tube core (3-2). In the utility model, the glottis of an animal is exposed by utilizing the laryngoscope, the optical fiber internally arranged in the needle core enters the upper respiratory tract of the rat when leading in the light source, and under the guidance of the optical fiber, the light source enables an operator to watch the rima glottidis clearly and completely. Therefore, the device with convenient operation ensures the success rate of oral trachea cannula of rat.
Description
Technical field
This utility model relates to a kind of rat tracheal inserting device of built-in optic fibre guide.Belong to the animal medical instruments field.
Background technology
Along with the needs of medical research, respirator assisted ventilation technology day by day is applied to the medical experiment The Animal Model Study.Tracheal intubation is one of key of using respirator assisted ventilation technology fast and effectively.Rodents is realized its tracheal intubation fast and smoothly as laboratory animal commonly used, has great importance for the observational study after raising animal experiment technique and the intubate.The rat tracheal intubation method of having reported has: the tracheostomy tube method, and blind slotting method, direct-view is intubation down, the auxiliary intubation of drive in the wrong direction tractive endotracheal intubation and endoscope.
Experimentation previously shows, rat small, glottis is narrow and small, trachea is thinner, employed endotracheal tube is thicker relatively, uses blind slotting method (direct oral trachea cannula under the situation that does not expose glottis) easily because of repetitious stimulation throat, to cause that myxedema is hemorrhage, airway secretions increases, and causes airway obstruction.In addition, blind slotting method is extremely easily with the conduit enter the esophagus by mistake, and success rate is very low.And employing tracheostomy tube method, this method is simple, convenient, but it is for there being the operation of wound property, whether and the tracheal stenosis that stitching caused and the gas leakage of postoperative trachea the infection of postoperative, all can influence survival rate, therefore the tracheostomy tube method is not suitable for needing the survival long period, the experimentation that dynamic observes after the intubate.
The direct-view method is to use light source to expose glottis, the operator is in the descending tracheal intubation of situation of direct-view glottis, and blinder slotting method has higher success rate, and apparatus and technical merit require also low than the auxiliary intubation of endoscope, as the Noninvasive means, be expected to become a kind of ideal tracheal intubation method in theory.But select suitable light source, clear exposure glottis is the direct-view key technology of oral trachea cannula method down always, also be to fail the difficult problem of fine solution always, for example use powerful white flag bulb or cold light source to be close to rat neck, by the light that sees through cervical region, be aided with the tractive rat root of the tongue and expose glottis, in the hope of improving the success rate of direct-view intubation.But the rat glottis is narrow, be positioned at the deep, oral cavity, along with endotracheal tube moves closer to epiglottis portion, the thickness of endotracheal tube itself occupies the exhausted large space of laryngopharynx portion, certainly will cover light, cause the visual visual field that is exposed constantly to diminish, and block operator's sight line simultaneously through rat neck, make the operator can't clearly observe glottis, cause laryngeal edema, air flue damage, secretions increase even cause rats death with the conduit enter the esophagus by mistake or because of intubate repeatedly easily in the moment of intubate.And the retrograde tractive endotracheal intubation of employing, with 24G puncture trachea cricoid cartilage slit, drive in the wrong direction to the oral cavity through trachea by remaining needle by tinsel, guidance tracheal intubation enters trachea, though the success rate of this method is feasible, but still be a kind of wound property operation that has, the operating time is longer relatively, can't avoid the tracheal injury due to the operation itself, organize hemorrhage.Though and intubation success rate height is assisted by endoscope, it requires height to apparatus and technical merit, thereby has limited its application to a great extent.
The utility model content
The purpose of this utility model, be have in order to overcome existing rat tracheal intubation method that success rate is low, the operating time is long and to apparatus and the demanding shortcoming of technical merit, a kind of rat tracheal inserting device of built-in optic fibre guide simply and easily is provided, this device can improve the success rate of rat tracheal intubation greatly, reduces post-operative complication and operating time.
The purpose of this utility model can reach by taking following technical scheme:
The rat tracheal inserting device of built-in optic fibre guide, its construction features is: comprise light source, optical fiber, endotracheal tube and laryngoscope; Described endotracheal tube is made of plastic bushing and hard tube core, and the stereoplasm tube in-core places plastic bushing; The high light outfan of light source is connected with an end of optical fiber, and the other end of optical fiber is built in the inner chamber of hard tube core; Laryngoscope is made up of larynx handle and larynx leaf.
The purpose of this utility model can also reach by taking following technical scheme:
This utility model is further improved:
Described larynx handle can be made of steel pipe, its length 6cm～8cm, its internal diameter are 10～12mm, described larynx leaf by stainless steel substrates constitute, to be bending curvature section, its length of 145 ° be 4～6cm to its front end; The junction folding of larynx handle and larynx leaf at an angle of 90.
Described light source can be made of the high light pocket lamp, the point of irradiation of this light source is a round dot, the intense light irradiation exit point that constitutes light source, optical fiber is connected with the intense light irradiation exit point of described light source, with the front end of lighttight dark slide capping high light pocket lamp, make outwards scattering of light source, the aperture that diameter and optical fiber size is coincide is set on described dark slide, makes optical fiber pass through this aperture and be connected with endotracheal tube; Optical fiber is fixed on the dark slide.Make light source can enter inside of optical fibre, and directly do not reflect away.
Described hard tube core can be made of the rustless metal material, its front end forms, 145 ° arc.Make conduit insert the trachea of animal in more convenient and quicker ground.
On the basis of the above, the rustless metal material that constitutes the hard tube core can be rustless steel, aluminum, copper and silver or aluminium alloy, magnalium, copper alloy and silver alloy, it is shaped as nook closing member, flat of the syringe needle of this pin cake, long 5～9cm, external diameter 1.4～1.6mm, internal diameter 1.0～1.2mm, front end 20～25mm makes 145 ° radian.
Described sleeve pipe can be made of the venous sheath pipe, and its big model is 6F or 14G, 16G.
Laryngoscope is made up of larynx handle and larynx leaf two parts, and larynx handle and larynx leaf are 90 ° of knuckles.The larynx handle is long 7cm steel pipe, the larynx leaf is the smooth stainless steel substrates that front end is 145 ° bending curvature section, long 4～6cm, available internal diameter 10～12mm stainless steel tube is made, and cuts in the middle of steel pipe earlier, polishes smooth, and form corresponding radian, as the larynx leaf part of laryngoscope, subsequently, the junction of larynx leaf and steel pipe is rolled at an angle of 90.
Compared with prior art, the utlity model has following advantage:
This utility model utilizes laryngoscope to expose the glottis of rat, with interior optical fiber of inserting nook closing member part as endotracheal tube when importing light source, introduce by endotracheal tube in the oral cavity and upper respiratory tract of rat, make under the guiding of optical fiber, optical fiber source can make the operator fully see fissure of glottis clearly, for the operator provides convenience and the success rate that has guaranteed the rat oral tracheal intubation.In addition, this utility model is simple in structure, and the processing technology flow process is simple, and low cost of manufacture is the ideal auxiliary device of rats breathing machine assisted ventilation technology.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of the used laryngoscope of this utility model.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in detail.
Specific embodiment 1:
Fig. 1, Fig. 2 constitute specific embodiment of the utility model 1.
As shown in Figure 1, this utility model comprises light source 1, optical fiber 2, endotracheal tube 3 and laryngoscope 4; Described endotracheal tube 3 is made of plastic bushing 3-1 and hard tube core 3-2, and hard tube core 3-2 is built among the plastic bushing 3-1; The high light outfan of light source 1 is connected with an end of optical fiber 2, and the other end of optical fiber 2 is built in the inner chamber of hard tube core 3-2.
As shown in Figure 2, this utility model comprises that also laryngoscope 4 is made up of larynx handle 4-1 and larynx leaf 4-2 two parts, and larynx handle and larynx leaf are 90 ° of knuckles.The larynx handle is long 7cm steel pipe, the larynx leaf is the stainless steel substrates that front end is 145 ° bending curvature section, long 4～6cm, available internal diameter 10～12mm stainless steel tube is made, and cuts in the middle of steel pipe earlier, polishes smooth, and form corresponding radian, as the larynx leaf part of laryngoscope, subsequently, the junction of larynx leaf and steel pipe is rolled at an angle of 90.
In the present embodiment:
Light source 1 is made of the high light pocket lamp, the point of irradiation of regulating light source is a round dot, the intense light irradiation exit point that constitutes light source, optical fiber 2 is connected with the intense light irradiation exit point of described light source, with the front end of lighttight dark slide capping high light pocket lamp, make outwards scattering of light source, the aperture that diameter and optical fiber 2 sizes are coincide is set on described dark slide, optical fiber 2 is connected with endotracheal tube 3 by this aperture; Optical fiber 2 is fixed on the dark slide.Described hard tube core 3-2 is made of the rustless metal material, and its front end forms one 145 ° arc.The rustless metal material that constitutes hard tube core 3-2 is a rustless steel, and it is shaped as nook closing member, flat of the syringe needle of this pin cake, and long 5～9cm, external diameter 1.4～1.6mm, internal diameter 1.0～1.2mm, front end 20～25mm makes 145 ° radian.Described sleeve pipe 3-1 is 6F venous sheath pipe or 14G, 16G venous sheath pipe.
On the basis of the above, flat of the syringe needle of rustless steel nook closing member, long the best is 7.1cm, its front end 20～25mm place forms one 145 ° arc, makes conduit more convenience insert trachea quickly.During assembling, at first will insert in the optical fiber 2 in the inner chamber of stainless pin core 3-2, then the nook closing member that is equipped with optical fiber 2 is inserted in the inner chamber of plastic bushing 3-1, finish being connected of optical fiber and endotracheal tube.
The power of the high light pocket lamp that this utility model is used can be at 80-100W, the different size of the diameter＜1.0mm of optical fiber 2, length 1～4m.High light pocket lamp 1 with the characteristics that are connected of optical fiber 2 is: at first the lid of head end is outwarded winding, sought the point of maximum intensity (point of irradiation that is light source is a round dot) of light source, be the best contact point of optical fiber and light source herein, can avoid dispersing of light source.Then, optical glass foremost is changed to lighttight plastic plate (changing dark slide into), an and brill diameter aperture suitable with optical fiber, make optical fiber pass through this aperture, the aperture that optical fiber passes the front end of high light pocket lamp is fixed on the plastic plate, light source source as built-in optical fiber makes light source can enter inside of optical fibre, and does not directly reflect away.
This utility model is to cooperate laryngoscope to use when operation, and selected laryngoscope is made up of larynx handle and larynx leaf two parts, and larynx handle and larynx leaf are 90 ° of knuckles.The larynx handle is long 7cm steel pipe, the larynx leaf is the stainless steel substrates that front end is 145 ° bending curvature section, long 6cm, available internal diameter 10～12mm stainless steel tube is made, and cuts in the middle of steel pipe earlier, polishes smooth, and form corresponding radian, as the larynx leaf part of laryngoscope, subsequently, the junction of larynx leaf and steel pipe is rolled at an angle of 90.
Operation principle of the present utility model is as follows:
At first, press the high light flashlight switch, start the optical fiber type light source; Then optical fiber built-in is gone into rustless steel nook closing member (hard tube core), and insert sheath pipe (plastic bushing) together with nook closing member; And then, under the guiding of optical fiber, one portable larynx handle is opened the rat oral cavity, and the larynx leaf of laryngoscope is deep gradually to epiglottis portion, on lift epiglottis, expose glottis, clearly observe pharyngolaryngeal cavity and fissure of glottis, 145 ° bending section of venous sheath pipe (plastic bushing) front end is aimed at glottis, in the moment that glottis is opened, insert in the trachea rapidly; Withdraw from (the hard tube core) that be built-in with optical fiber at last, keep somewhere plastic bushing in trachea, be fixed in the tooth place of rat, finish intubate.Optical fiber of the present utility model links to each other with the high light pocket lamp, and the light that pocket lamp is comparatively dispersed is through fiber optic conduction and be focused into the round dot of a light, and it is not enough or because of power causes heating too much greatly to have solved light-source brightness, thereby influences the problem of experimental implementation.Simultaneously, use 14G, 16G venous cannula or 6F venous sheath pipe as the rat endotracheal tube, the bore of its plastic bushing and length all are fit to the trachea of rat very much, rustless steel nook closing member (hard tube core) has been moulded endotracheal tube hardness, help the operator softish endotracheal tube is directed to glottis, 145 ° of radians of front end make the endotracheal tube direction make progress all the time, have avoided conduit is mispluged esophagus into trachea dorsal part (rear).In insert nook closing member (hard tube core) optical fiber when importing light source also as the part of endotracheal tube, guaranteed that light source is positioned at operator's the place ahead and the oral cavity of rat all the time, solved endotracheal tube itself and covered light source and stop the operator visual field, cause exposing insufficient and repeatedly intubate stimulate this core difficult problem of throat.By the laryngoscope tractive root of the tongue and on lift epiglottis portion, under the guiding of optical fiber, can fully expose glottis, and clearly observe the switching of pharyngolaryngeal cavity and glottis.
Specific embodiment 2:
The characteristics of present embodiment are: the length 6cm of described larynx handle 4-1 or 8cm, its internal diameter are 10～12mm, the front end of described larynx leaf 4-2 can be 145 ° bending curvature section, and bending curvature section, its length of also can be 145 °, being greater than or less than 145 ° are 4～6cm; The junction of larynx handle 4-1 and larynx leaf 4-2 can be rolled at an angle of 90, also can be converted into to be greater than or less than 90 ° of angles; The front end of hard tube core 3-2 can form one 145 ° arc, also can form the radian that is greater than or less than 145 °.
Claims (6)
1, the rat tracheal inserting device of built-in optic fibre guide is characterized in that: comprise light source (1), optical fiber (2), endotracheal tube (3) and laryngoscope (4); Described endotracheal tube (3) is made of plastic bushing (3-1) and hard tube core (3-2), and hard tube core (3-2) is built in the plastic bushing (3-1); The high light outfan of light source (1) is connected with an end of optical fiber (2), and the other end of optical fiber (2) is built in the inner chamber of hard tube core (3-2); Laryngoscope (4) is made up of larynx handle (4-1) and larynx leaf (4-2).
2, the rat tracheal inserting device of built-in optic fibre guide according to claim 1, it is characterized in that: described larynx handle (4-1) by steel pipe constitute, its length 6cm～8cm, its internal diameter be 10～12mm, described larynx leaf (4-2) by stainless steel substrates constitute, to be bending curvature section, its length of 145 ° be 4～6cm to its front end; The junction folding of larynx handle (4-1) and larynx leaf (4-2) at an angle of 90.
3, the rat tracheal inserting device of built-in optic fibre guide according to claim 1 and 2, it is characterized in that: light source (1) is made of the high light pocket lamp, the point of irradiation of this light source (1) is a round dot, the intense light irradiation exit point that constitutes light source, optical fiber (2) is connected with the intense light irradiation exit point of described light source, with the front end of lighttight dark slide capping high light pocket lamp, make outwards scattering of light source, the aperture that diameter and optical fiber (2) size is coincide is set on described dark slide, optical fiber (2) is connected with endotracheal tube (3) by this aperture; Optical fiber (2) is fixed on the dark slide.
4, the rat tracheal inserting device of built-in optic fibre guide according to claim 1 and 2 is characterized in that: described hard tube core (3-2) by the rustless metal material constitute, its front end forms 145 ° arc.
5, the rat tracheal inserting device of built-in optic fibre guide according to claim 4, it is characterized in that: the rustless metal material that constitutes hard tube core (3-2) is rustless steel, aluminum, copper and silver or aluminium alloy, magnalium, copper alloy and silver alloy, it is shaped as nook closing member, flat of the syringe needle of this pin cake, long 5～9cm, external diameter 1.4～1.6mm, internal diameter 1.0～1.2mm, front end 20～25mm makes 145 ° radian.
6, the rat tracheal inserting device of built-in optic fibre guide according to claim 4 is characterized in that: described sleeve pipe (3-1) is made of the venous sheath pipe, and its big model is 6F or 14G, 16G.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200515962U CN201361336Y (en) | 2009-02-24 | 2009-02-24 | Rat tracheal intubation device guided by internally-arranged optical fiber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200515962U CN201361336Y (en) | 2009-02-24 | 2009-02-24 | Rat tracheal intubation device guided by internally-arranged optical fiber |
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| CN201361336Y true CN201361336Y (en) | 2009-12-16 |
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| CNU2009200515962U Expired - Fee Related CN201361336Y (en) | 2009-02-24 | 2009-02-24 | Rat tracheal intubation device guided by internally-arranged optical fiber |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103445879A (en) * | 2013-09-06 | 2013-12-18 | 陈鸣宇 | Illumination cannula device for small animal |
| CN103800977A (en) * | 2014-01-27 | 2014-05-21 | 广西壮族自治区人民医院 | Optical fiber for administration |
| CN106422016A (en) * | 2016-11-30 | 2017-02-22 | 四川大学 | Mouse non-invasive trachea intubation instrument |
| CN106725988A (en) * | 2016-12-01 | 2017-05-31 | 甘肃中医药大学 | A kind of rat trachea intubation procedure and its application |
| CN109452987A (en) * | 2019-01-03 | 2019-03-12 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | One kind being used for mouse tracheal cannula experimental facility |
| CN111419466A (en) * | 2020-03-05 | 2020-07-17 | 四川大学华西医院 | Integrated airway injection device for experimental animals and using method thereof |
| CN111514426A (en) * | 2020-06-02 | 2020-08-11 | 华中科技大学同济医学院附属协和医院 | Laboratory rat trachea cannula auxiliary tool and laboratory rat trachea cannula method |
-
2009
- 2009-02-24 CN CNU2009200515962U patent/CN201361336Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103445879A (en) * | 2013-09-06 | 2013-12-18 | 陈鸣宇 | Illumination cannula device for small animal |
| CN103800977A (en) * | 2014-01-27 | 2014-05-21 | 广西壮族自治区人民医院 | Optical fiber for administration |
| CN106422016A (en) * | 2016-11-30 | 2017-02-22 | 四川大学 | Mouse non-invasive trachea intubation instrument |
| CN106725988A (en) * | 2016-12-01 | 2017-05-31 | 甘肃中医药大学 | A kind of rat trachea intubation procedure and its application |
| CN109452987A (en) * | 2019-01-03 | 2019-03-12 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | One kind being used for mouse tracheal cannula experimental facility |
| CN109452987B (en) * | 2019-01-03 | 2020-09-01 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Be used for mouse trachea cannula experimental apparatus |
| CN111419466A (en) * | 2020-03-05 | 2020-07-17 | 四川大学华西医院 | Integrated airway injection device for experimental animals and using method thereof |
| CN111514426A (en) * | 2020-06-02 | 2020-08-11 | 华中科技大学同济医学院附属协和医院 | Laboratory rat trachea cannula auxiliary tool and laboratory rat trachea cannula method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20140224 |