CN205433630U - Optical wand guide laryngoscope - Google Patents
Optical wand guide laryngoscope Download PDFInfo
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- CN205433630U CN205433630U CN201620243233.9U CN201620243233U CN205433630U CN 205433630 U CN205433630 U CN 205433630U CN 201620243233 U CN201620243233 U CN 201620243233U CN 205433630 U CN205433630 U CN 205433630U
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- laryngoscope
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- sleeve pipe
- optical wand
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Abstract
The utility model discloses an optical wand guide laryngoscope, including mirror handle and laryngoscope piece, the mirror handle is connected with the back tip of laryngoscope piece, the laryngoscope piece is plastic type lens, the shape of this lens after keeping the deformation after buckling, still be provided with the sleeve pipe that the material is the same on the laryngoscope piece, the flash lamp head is settled to the sleeve pipe front end, the flash lamp head is through the built -in circuit switch -on optic fibre transmission video signal of sleeve pipe, diameter and endotracheal tube diameter assorted draw -in groove have been seted up on the sleeve pipe, the endotracheal tube front end passes the draw -in groove and extends the sleeve pipe front portion, light and the cooperation of flash lamp head that the optical wand that is arranged in endotracheal tube sent make to be led laryngoscope the place ahead to pass through the video visual. The utility model has the advantages of but laryngoscope piece and sleeve pipe adopt plastic material preparation, convenient to use, can accomplish trachea cannula, visual by single one hand.
Description
Technical field
This utility model belongs to technical field of medical instruments, particularly relates to optical wand and guides laryngoscope.
Background technology
At present, during laryngoscope blade is tracheal intubation must apparatus.Endotracheal intubation is carried out under patient's general anesthesia, flesh pine, hyperventilation and apnea state: first exposes glottis with laryngoscope, then will be inserted trachea with the endotracheal tube of certain camber (about 20 degree) by glottis, to guarantee that the oxygen of patient supplies.Owing to the different height of its larynx of patient, the kenel of epiglottis, the oropharynx longitudinal axis differ with the angle of trachea; or the anatomical variation that causes because of They fail's deformity or wound and the factors such as glottis can not be completely exposed; can frequently result in tracheal intubation difficulty, deal with the life security that can threaten patient improperly.
Before this utility model, for solving this difficult problem, the utensil frequently with extra: (1) video laryngoscope makes throat appear apparent, it is adaptable to part glottis position is higher or the patient of incidence limitation of activity, but the most difficult for patient that mouth opening is little；(2) optical wand is the common tool being usually used in blind tracheal intubation art at present, but relative to looking at underlying pipe straight, the method cannot direct observation panel pharyngeal structures, be likely to result in unpredictable accidental injury；(3) visual Buddhist nun's optical wand and branchofiberoscope improve the defect of the blind spy of optical wand, but cannot avoid the shortcoming that secretions stops camera lens, affects sight line.Difficult airway is needed to have spent the considerable time, and tracheal intubation must complete in several minutes, be otherwise likely to result in patient vitals dangerous；(4) while medical personnel use laryngoscope, another hands guidance tracheal intubation, need to keep patient's oral area to open, move the situations such as patient's tongue as run into, need other medical personnel to help, bother very much.
Utility model content
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model is that the visualization optical wand providing a kind of laryngoscope blade and sleeve pipe to use plastic material to prepare, easy to use, the single one hand of energy completes tracheal intubation guides laryngoscope.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is:
Optical wand guides laryngoscope, including mirror handle and laryngoscope blade, mirror handle is connected with the rearward end of laryngoscope blade, it is characterized in that: laryngoscope blade is plastic type eyeglass, this eyeglass can keep the shape after deformation after bending, the sleeve pipe that material is identical it is additionally provided with on laryngoscope blade, sleeve pipe front end disposes shooting lamp holder, shooting lamp holder connects optical fiber transmission of video signal by the built-in circuit of sleeve pipe, the draw-in groove that diameter matches is offered with endotracheal tube diameter on sleeve pipe, it is anterior that endotracheal tube front end extends sleeve pipe through draw-in groove, the light that the optical wand being positioned in endotracheal tube sends coordinates with shooting lamp holder to be made to lead laryngoscope front to pass through video visual.
For optimizing technique scheme, the concrete measure taked also includes:
Above-mentioned mirror handle lower end is provided with plinth, and plinth coordinates by movable joint is hinged with mirror handle, and plinth is provided with conductive contact, and conductive contact arrives docking screen for transmission of video signal.
Above-mentioned draw-in groove is arranged on sleeve pipe side, its cross section semicircular in shape, and it is anterior that the front end of draw-in groove extends to sleeve pipe, and rear end extends to sleeve pipe rear portion.
Above-mentioned optical wand guides laryngoscope also to include pusher, pusher includes that the first propelling movement gear and second pushes gear, first pushes gear is rotatably mounted on mirror handle and outside part wheel body is exposed to, second propelling movement gear is fixed near draw-in groove and part wheel body stretches in draw-in groove, first pushes gear and second pushes gear drive connection, during the second propelling movement pinion rotation, second pushes gear energy band tracheal catheter slides in draw-in groove.
Above-mentioned draw-in groove is coated with the lubricant for reducing draw-in groove and endotracheal tube frictional force.
Above-mentioned flash lamp for photography head lamp head is LED fine definition anti-fogging flash lamp for photography head.
Above-mentioned laryngoscope blade and sleeve surface is smooth and connect transition position round and smooth.
Above-mentioned mirror handle is plastics or stainless steel mirror handle.
The diameter of above-mentioned draw-in groove is slightly less than the diameter of endotracheal tube, is clamped cannot rock by draw-in groove when endotracheal tube is positioned in draw-in groove.
Advantage of the present utility model and effect are to be applicable to common and difficult tracheal intubation, just can complete in several minutes, on the basis of basic grasp tracheal intubation and optical wand guide cannula, one man operation, even one-handed performance, provide with assistant it is further preferred that.Its simple in construction, low cost, easy to use, reliable.After the endotracheal tube of built-in optical wand is matched with in the draw-in groove of laryngoscope blade side, according to Head And Face, lower jaw and neck structure, suitably plastotype laryngoscope blade, after adjusting mirror handle angle, give optical wand guidance tracheal intubation again, optical wand illuminates patient airway's situation, and video signal is transferred to externally connected with display screen and show by shooting lamp holder, solve the most common tracheal intubation and most difficult airway tracheal intubation difficulty, cannot the most visual problem.
Accompanying drawing explanation
Fig. 1 is external structure schematic diagram of the present utility model；
Fig. 2 is internal structure sectional view of the present utility model, and dotted portion is the structure outline after deformation；
Fig. 3 is the operation chart of this utility model optical wand for guiding tracheal intubation.
Reference therein is: laryngoscope blade 1, sleeve pipe 2, shooting lamp holder 3, draw-in groove 4, mirror handle 5, plinth 6, conductive contact 7, movable joint 8, pusher 9, first push gear 91, second and push gear 92.
Detailed description of the invention
Below in conjunction with the accompanying drawings the technical solution of the utility model is elaborated.
Optical wand of the present utility model guides laryngoscope, including mirror handle 5 and laryngoscope blade 1, mirror handle 5 is connected with the rearward end of laryngoscope blade 1, it is characterized in that: laryngoscope blade 1 is plastic type eyeglass, this eyeglass can keep the shape after deformation after bending, the identical sleeve pipe of material 2 it is additionally provided with on laryngoscope blade 1, sleeve pipe 2 front end disposes shooting lamp holder 3, shooting lamp holder 3 connects optical fiber transmission of video signal by the built-in circuit of sleeve pipe 2, the draw-in groove 4 that diameter matches is offered with endotracheal tube diameter on sleeve pipe 2, it is anterior that endotracheal tube front end extends sleeve pipe 2 through draw-in groove 4, the light that the optical wand being positioned in endotracheal tube sends coordinates with shooting lamp holder 3 to be made to lead laryngoscope front to pass through video visual.
In embodiment, mirror handle 5 lower end is provided with plinth 6, and plinth 6 coordinates by movable joint 8 is hinged with mirror handle 5, and plinth 4 is provided with conductive contact 7, and conductive contact 7 arrives docking screen for transmission of video signal.
In embodiment, draw-in groove 4 is arranged on sleeve pipe 2 side, its cross section semicircular in shape, and it is anterior that the front end of draw-in groove 4 extends to sleeve pipe 2, and rear end extends to sleeve pipe 2 rear portion.
In embodiment, optical wand guides laryngoscope also to include pusher 9, pusher 9 includes that the first propelling movement gear 91 and second pushes gear 92, first pushes gear 91 is rotatably mounted on mirror handle 5 and outside part wheel body is exposed to, second propelling movement gear 92 is fixed near draw-in groove 4 and part wheel body stretches in draw-in groove 4, first propelling movement gear 91 and the second propelling movement gear 92 are in transmission connection, and when the second propelling movement gear 92 rotates, second pushes gear 92 can slide by band tracheal catheter in draw-in groove 4.
In embodiment, draw-in groove 4 is coated with the lubricant for reducing draw-in groove 4 and endotracheal tube frictional force.
In embodiment, shooting lamp holder 3 lamp holder is LED fine definition anti-fogging flash lamp for photography head.
In embodiment, laryngoscope blade 1 and sleeve pipe 2 smooth surface and connection transition position are round and smooth.
In embodiment, mirror handle 5 is plastics or stainless steel mirror handle.
In embodiment, the diameter of draw-in groove 4 is slightly less than the diameter of endotracheal tube, is clamped cannot rock by draw-in groove 4 when endotracheal tube is positioned in draw-in groove 4.
Detailed description below structure of the present utility model and using method:
As depicted in figs. 1 and 2:
Laryngoscope blade 1 is copper-bearing alloy or hard fibre, can be divided into according to model, M, L, XL, and length is respectively 8,11,14 centimetres, and this example is as a example by 11 centimetres.Shape is common laryngoscope blade nature radian, plastic type, and bending adjusts radian, smooth surface the most up and down, effectively prevents oral cavity and airway mucus from scratching.The side of laryngoscope blade 1, near dorsal part, arranges the sleeve pipe 2 of one and identical material, and 3 centimetres of laryngoscope blade 1 top of end distance, optical fiber transmission of video signal connected by built-in power line.Sleeve pipe 2 top arranges a LED and images lamp holder 3, shooting lamp holder 3 uses the special anti-fogging treatment technology of PET (polyethylene terephthalate), can be effectively prevented and become fogging to affect the visual field, in the hope of obtaining optimal visual effect because patient breathes out damp-heat build.Sleeve pipe 2 upper and lower position in parallel, arranges a semicircle draw-in groove 4 near laryngoscope blade 1 veutro, mates with endotracheal tube, and internal diameter can be divided into 6,7 and 8 millimeters, and this example is as a example by 7 millimeters.Arranging a mirror handle 5 bottom laryngoscope blade 1, quality is PP (polypropylene for medical article) plastics or rustless steel quality, above has plinth 6 to link with laryngoscope handle, and conductive contact 7 arrives docking screen for transmission of video signal.Between movable joint 8 and mirror handle 5, angle can freely regulate between 30 degree to 150 degree and fix.
As shown in Figure 3:
In concrete application process, according to the needs of patient, different types of optical wand is selected to guide special plasticity laryngoscope blade.Its laryngoscope blade 1 can insert throat glibly.During inserting laryngoscope blade 1, by shooting lamp holder 3, under photopic vision, understand oropharynx structure, uvula, pharynx jaw bow, Pyriform sinus and epiglottis position.As patient's glottis aperture position is suitable, glottis position can be looked at straight, and the endotracheal tube being placed in draw-in groove 4 is inserted smoothly.As patient's glottis aperture position is abnormal, when maybe may be difficult airway, after fully can assessing before intubating, according to Head And Face, lower jaw and neck structure, by suitable for laryngoscope blade 1 plastotype, movable joint 8 regulation to angle suitable with incidence to help a control mirror handle 5, concrete with adjust with lower jaw, it is simple to operate and observe.After optical wand being inserted suitable endotracheal tube, open light source simultaneously, be assemblied in draw-in groove 4, determine epiglottis position when inserting laryngoscope blade 1, and laryngoscope blade 1 front end is close to epiglottic vallecula, find the brightest accumulation point of hot spot at cervical region simultaneously, after adjusting position, slowly put pipe.After inserting appropriate depth (degree of depth that general adult female intubates is 21 ± 1cm, and adult human male is 23 ± 1cm), external end-tidal CO2, determine that endotracheal tube is in place in conjunction with thoracic wall auscultation, and connect Ventilators.Fixing because of laryngoscope blade 1 and draw-in groove 4, endotracheal tube is fixed with optical wand direction, it is difficult to swing, and draw-in groove 4 and conduit are sitting at below shooting lamp holder 3, laryngoscope blade 1 and endotracheal tube, light bar device can be inserted under photopic vision, completely avoid tradition when intubating only according to optical wand, blind spy boil on the nape opposite the mouth, pharynx, larynx mucosa and the damage of tissue, this utility model singlehanded can advance endotracheal tube.The thumb turn first of laryngoscope hands is guided to push gear 91 with holding optical wand, first pushes gear 91 drives the second propelling movement gear 92 to rotate, second pushes gear 92 band tracheal catheter moves forward and backward at draw-in groove 4, so there is no need to another hands guide endotracheal tube to advance or retreat, can greatly facilitate medical personnel, simplify operation easier.
General 6-14 year child can be selected for M laryngoscope blade；Within more than 14 years old, adult can be selected for L laryngoscope blade；Individual development can be selected for XL laryngoscope blade such as acromegalic extremely.M laryngoscope blade is suitable for mating the endotracheal tube that external diameter is 5.5-6 millimeter；L laryngoscope blade is suitable for mating the endotracheal tube that external diameter is 6.5-7 millimeter；XL laryngoscope blade is suitable for mating the endotracheal tube that external diameter is 7.5-8 millimeter.Clinical test results shows, optical wand is used to guide special plasticity laryngoscope blade to carry out the patient of tracheal intubation, mouth, pharynx, throat's damage, postoperative pharyngalgia, laryngeal edema, arytenoid cartilage is dislocated, and hoarseness etc. significantly reduces, the incidence rate of the respiratory tract infection caused after effectively reducing air flue mucosa irriate.
Laryngoscope blade 1, draw-in groove 4 are inserted into the endotracheal tube of optical wand when inserting; need not laryngoscope tooth as fulcrum to expose glottis; only need to push oral cavity aside to be inserted by laryngoscope blade 1 and by direct cannulation under shooting lamp holder 3 photopic vision or pipe can be put according to cervical region spot location; thus protect tooth, decrease mouth, pharynx, the damage of larynx mucosa.And the position that draw-in groove 4 inserted by conduit is close to image lamp holder 3, accurate positioning, puts pipe convenient, success rate is high.When inserting laryngoscope blade, if patient is Wry Neck deformity, during the most anteflexion or layback, suitably regulation movable joint 8 and the angle of mirror handle 5, be more susceptible to operation when making hand mirror handle 5.
This laryngoscope blade is ingenious due to design, make to insert simply, easily operation, accurate positioning, fit in draw-in groove 4 with optical wand endotracheal tube, in the overall process insert laryngoscope blade, position is fixed, and direction is difficult to the tracheal intubation practical operation result of change swing clinical practice and is shown as power height, and after application, the damage of patient's pars oralis pharyngis is little.Owing to there being the feature of laryngoscope blade 1 plastic type, the complete monitoring of shooting lamp holder 3, and the multi-angle regulation of movable joint 8 and fixing function, meet the Intubation Conditions needs of various bottleneck throat structure, even if making patient there is mouth, pharynx, the abnormal development of larynx, pathological change, mouth opening and head and neck flexibility deformity, limitation of activity etc., all according to patient features, can take the intubation way of individuation.And when using this laryngoscope blade to intubate, it is not necessary to by front tooth as fulcrum stress, protecting tooth, thus improve the safety using this laryngoscope blade, this is that other laryngoscope blades are not as good as part.
This utility model is applicable to all cases of current clinical practice tracheal intubation, it had both had the feature consistent with common laryngoscope effect, overcome again include common laryngoscope, video laryngoscope, optical wand, depending on can the many disadvantageous shortcoming that had of Buddhist nun and branchofiberoscope.During this utility model application, its not lesion ports, pharynx, larynx mucosa, also can prevent tooth from being undermined mucosa hematoma and generate.It is particularly suited for the patient of the difficult airways such as abnormal development in incidence limitation of activity, oral cavity, the variation of epiglottis kenel and glottis position be high.No matter Intubation in operating room, or emergency cannula, this laryngoscope blade all can use.Size is suitable for more than 6 years old child and adult at present.
Plastic type eyeglass 1 of the present utility model and sleeve pipe 2 material therefor are plastic type material, the plastic type material that the present embodiment uses is interior copper-bearing alloy or the plastics of hard fibre or silica gel material, in contrast to this, the equipment such as all kinds of video laryngoscope eyeglasses of conventional laryngoscope blade and utility model recently is all not plastic type.
Although structure of the present utility model is extremely simple, but the laryngoscope blade 1 of plastic type, LED fine definition antifog shooting lamp holder 3, the structure such as draw-in groove 4 of the endotracheal tube placing band optical wand can be mated, but beyond thought technique effect is served, clinical test results: use optical wand to guide special plasticity laryngoscope blade to carry out the patient of tracheal intubation, mouth, pharynx, throat's damage, postoperative pharyngalgia, laryngeal edema, arytenoid cartilage is dislocated, hoarseness etc. significantly reduce, the incidence rate of the respiratory tract infection caused after effectively reducing air flue mucosa irriate.The patient of the possible difficult airway of preoperative evaluation, tracheal intubation success rate significantly improves, and intubates number of times and significantly reduces.
Below being only preferred implementation of the present utility model, protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, should be regarded as protection domain of the present utility model.
Claims (9)
1. optical wand guides laryngoscope, including mirror handle (5) and laryngoscope blade (1), described mirror handle (5) is connected with the rearward end of laryngoscope blade (1), it is characterized in that: described laryngoscope blade (1) is plastic type eyeglass, this eyeglass can keep the shape after deformation after bending, it is additionally provided with the identical sleeve pipe of material (2) on described laryngoscope blade (1), described sleeve pipe (2) front end disposes shooting lamp holder (3), described shooting lamp holder (3) connects optical fiber transmission of video signal by sleeve pipe (2) built-in circuit, the draw-in groove (4) that diameter matches is offered with endotracheal tube diameter on described sleeve pipe (2), it is anterior that endotracheal tube front end extends sleeve pipe (2) through draw-in groove (4), the light that the optical wand being positioned in endotracheal tube sends coordinates with shooting lamp holder (3) to be made to lead laryngoscope front to pass through video visual.
Optical wand the most according to claim 1 guides laryngoscope, it is characterized in that: described mirror handle (5) lower end is provided with plinth (6), described plinth (6) coordinates by movable joint (8) is hinged with mirror handle (5), described plinth (4) is provided with conductive contact (7), and described conductive contact (7) arrives docking screen for transmission of video signal.
Optical wand the most according to claim 2 guides laryngoscope, it is characterized in that: described draw-in groove (4) is arranged on sleeve pipe (2) side, its cross section semicircular in shape, it is anterior that the front end of draw-in groove (4) extends to sleeve pipe (2), and rear end extends to sleeve pipe (2) rear portion.
Optical wand the most according to claim 3 guides laryngoscope, it is characterized in that: optical wand guides laryngoscope also to include pusher (9), described pusher (9) includes that the first propelling movement gear (91) and second pushes gear (92), outside described first propelling movement gear (91) is rotatably mounted to that mirror handle (5) is upper and part wheel body is exposed to, the second described propelling movement gear (92) is fixed near draw-in groove (4) and part wheel body stretches in draw-in groove (4), described the first propelling movement gear (91) and second pushes gear (92) and is in transmission connection, when the second described propelling movement gear (92) rotates, second pushes gear (92) can slide by band tracheal catheter in draw-in groove (4).
Optical wand the most according to claim 4 guides laryngoscope, it is characterized in that: be coated with the lubricant for reducing draw-in groove (4) and endotracheal tube frictional force in described draw-in groove (4).
Optical wand the most according to claim 5 guides laryngoscope, it is characterized in that: described shooting lamp holder (3) lamp holder is LED fine definition anti-fogging flash lamp for photography head.
Optical wand the most according to claim 6 guides laryngoscope, it is characterized in that: described laryngoscope blade (1) and sleeve pipe (2) smooth surface and connection transition position are round and smooth.
Optical wand the most according to claim 7 guides laryngoscope, it is characterized in that: described mirror handle (5) is plastics or stainless steel mirror handle.
Optical wand the most according to claim 8 guides laryngoscope, it is characterized in that: the diameter of described draw-in groove (4) is slightly less than the diameter of endotracheal tube, is clamped cannot rock by draw-in groove (4) when described endotracheal tube is positioned in draw-in groove (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620243233.9U CN205433630U (en) | 2016-03-25 | 2016-03-25 | Optical wand guide laryngoscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620243233.9U CN205433630U (en) | 2016-03-25 | 2016-03-25 | Optical wand guide laryngoscope |
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| CN205433630U true CN205433630U (en) | 2016-08-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105852791A (en) * | 2016-03-25 | 2016-08-17 | 南京大学医学院附属鼓楼医院 | Optic rod guide laryngoscope |
| CN107280627A (en) * | 2017-07-10 | 2017-10-24 | 张海钟 | Exploration type cavity detection device and visual vibrating rod |
-
2016
- 2016-03-25 CN CN201620243233.9U patent/CN205433630U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105852791A (en) * | 2016-03-25 | 2016-08-17 | 南京大学医学院附属鼓楼医院 | Optic rod guide laryngoscope |
| CN105852791B (en) * | 2016-03-25 | 2018-07-03 | 南京医科大学 | Optical wand guides laryngoscope |
| CN107280627A (en) * | 2017-07-10 | 2017-10-24 | 张海钟 | Exploration type cavity detection device and visual vibrating rod |
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