CN109550126A - It expands respiratory tract and checks system - Google Patents

It expands respiratory tract and checks system Download PDF

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Publication number
CN109550126A
CN109550126A CN201710884729.3A CN201710884729A CN109550126A CN 109550126 A CN109550126 A CN 109550126A CN 201710884729 A CN201710884729 A CN 201710884729A CN 109550126 A CN109550126 A CN 109550126A
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CN
China
Prior art keywords
amplification
prism
video signal
respirator
image
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Pending
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CN201710884729.3A
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Chinese (zh)
Inventor
庄清轩
陈宝全
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XINSHI TECHNOLOGY Co Ltd
MIN AIK Tech CO Ltd
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XINSHI TECHNOLOGY Co Ltd
MIN AIK Tech CO Ltd
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Priority to CN201710884729.3A priority Critical patent/CN109550126A/en
Publication of CN109550126A publication Critical patent/CN109550126A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002Operational features of endoscopes
    • A61B1/00043Operational features of endoscopes provided with output arrangements
    • A61B1/00045Display arrangement
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00131Accessories for endoscopes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/0661Endoscope light sources
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/267Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the respiratory tract, e.g. laryngoscopes, bronchoscopes
    • A61B1/2676Bronchoscopes

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Emergency Medicine (AREA)
  • Otolaryngology (AREA)
  • Physiology (AREA)
  • Endoscopes (AREA)

Abstract

The invention discloses a kind of amplification respiratory tracts to check system, includes an amplification respirator and one wears video signal unit and optical system in head;Wherein, amplification respirator is to constitute handle and curved inserted sheet by the integrally moulded of disinfection completion;Video signal unit is reached by connection unit by the image energy that the amplification respirator is taken the photograph, and image is shown in optical system;When the hand-held amplification respirator of user carries out infusion therapy to patient, which will clearly be intubated operation real-time imaging and be back to video signal unit block and optical system;User can not only see operative site at the moment, and the operation image for expanding respirator is also shown in optical system in same direction;And after use, the amplification respirator is i.e. discardable.

Description

It expands respiratory tract and checks system
Technical field
The present invention relates to a kind of amplification respiratory tracts to check system;Espespecially a kind of observation in time and precisely progress respiratory tract inspection Cannula-assisted system when looking into.
Background technique
In medical technology, the treatment of intubation must be imposed for special patient, the intubation of this case meaning refers to insertion Respiratory siphon, also known as " endotracheal intubation ", quickly to give oxygen;It please refers to shown in Figure 10, mainly by respiratory siphon 70 Enter from the oral cavity of patient or nasal cavity, then avoid esophagus 82 and push epiglottis 80 open into tracheae 81, which can cooperate The inflation of inflation unit 71 and expand and prop up, to be sealed at 81 peripheral wall of tracheae, 70 other end of respiratory siphon connects respirator (in figure Do not show) to help patient respiration.
However, when being intubated, it is necessary to which first using the tool of auxiliary, i.e. amplification respirator is inserted into from oral area first by patient Epiglottis 80 push open, could safety and be rapidly inserted into respiratory siphon 70, intubation after the completion of again amplification respirator remove;At present compared with Common amplification respirator is as shown in figure 11, which has a handle 91 and inserted sheet 92, in amplification respirator 90 One end be connected with a screen 93, below the screen 93 be equipped with one tool idler wheel 95 bracket 94;When using the amplification respirator 90, Hand grip 91 protrudes into inserted sheet 92 from patient's mouth to carry out the purpose of expansion tracheae, is equipped with photography in 92 end of inserted sheet at this time Head shows the situation of front end on screen 93, with the progress of benefit intubation, although being equipped with moveable bracket below the screen 93 94, it can be convenient the position that screen 93 is pushed into most convenient viewing, but in surgical procedure, in addition to one side is expanded instantly The operation of tracheae, doctor must rotary head look at the information of another screen 93 again, could jointly will intubation in conjunction with the content of the two Work reaches optimal state, but doctor's one side, when performing the operation or instrumentation, on the one hand will bow observing eye servant The current state of body comes back or turns round again the information on viewing screen 93, be inconvenient, and is easy fatigue;Moreover bracket The frame body of 94 underside rollers 95 takes up space, and is restricted the position of adjustment, and be easy to trip doctor or nursing staff is also It is extremely dangerous;If being in addition the need for senior doctor to instruct on side, on the one hand senior doctor will indicate the data on screen, another Aspect instructs the newly operation into doctor now again, back and forth between be even more it is busy and difficult, one carelessness will result in medical treatment It is sorry, it is its major defect.
It please refers to shown in Figure 12, is more advanced amplification respirator 90 ', include a handle 91 ' with the small screen 93 ' And inserted sheet 92 ', it solves the puzzlement that doctor does not need big-movement new line or rotary head, but screen 93 ' is located on handle 91 ' It is risky design, because handle 91 ' is to hold to exert a force for doctor, handle 91 ' itself can shake in operation, Just seem inconvenient in viewing screen 93 ', and the visible angle range of the small screen 93 ' is little, and is easy by roof Top light influences and reflective, also needs to evacuate when necessary and temporarily puts down operation, with another hand or asks other people to assist to adjust The angle of screen 93 ' is not very convenient in actual operation in fact yet;Simultaneously because the amplification with the small screen 93 ' Costly, so most likely reuse, but the small screen 93 ' is just above handle 91 ', therefore hand for the unit price of respirator 90 ' The pollution that bacterium is be easy to cause on the small screen 93 ' and handle 91 ' can be often splashed when art by patient's mouth ejection watery blood, although in weight It can be sterilized when using again, but still will cause hidden trouble in safety.
Summary of the invention
It is more convenient precisely that the main purpose of the present invention is to provide a kind of uses, and can disposable partial component A kind of amplification respiratory tract check system, include an amplification respirator and one wears video signal unit and optical system in head; Wherein, amplification respirator is to constitute handle and curved inserted sheet by the integrally moulded of disinfection completion;By the amplification respirator The image energy taken the photograph reaches video signal unit by connection unit, and image is shown in optical system;When user is hand-held When the treatment that amplification respirator is intubated patient, which will clearly be intubated operation real-time imaging and be back to view Interrogate unit block and optical system;User can not only see operative site at the moment, and the operation image for expanding respirator also exists Same direction is shown in optical system, so that doctor's operation is more wholwe-hearted and reduces unexpected occur;And after use, should Amplification respirator can be abandoned, and better health care protection is reached.
For achieve the above purposes, the present invention can be reached with following mode:
If an amplification respirator includes a handle and curved inserted sheet, and the handle and inserted sheet are the modelings that disinfection is completed Material, which is integrally formed, to be constituted, and wherein tab end has a tabletting outstanding, is equipped in inserted sheet side and takes advantage of a situation insertion for whirling pipe Slot is equipped with the video signal duct and illumination duct of perforation handle inside inserted sheet;One circuit system includes an image procossing control Device and battery processed are set inside handle, then set video signal duct and illumination that an image sensor and light source are set at handle respectively The end of the end in duct, the image sensor can be equipped with optical lens;One connection unit, the image for respirator will be expanded being taken the photograph It is transmitted to video signal unit;One video signal unit has a frame, can use and wear the head for being placed in doctor, and this frame side is with pivot Axis is articulated with a frame, which has an accommodation groove, image circuit board and battery is equipped in the accommodation groove, and to overhanging There are socket and control switch out;Separately the lens group that an image is shown is pivoted in frame outboard end (i.e. towards user's face orientation) Part box is more pivoted with the pick-up lens in an adjustable direction in the outer end of lens subassembly box, which can be by current shadow As being transferred to the records such as long-range or video recording, and it is further provided with below lens subassembly box the optical system that a prism image is shown;According to This, when video signal unit is to be worn on user's head position, and hand-held amplification respirator is intended to carry out patient the amplification operation of tracheae Be intubated treatment when, the image sensor and light source of the amplification respirator will clearly be intubated operation real-time imaging through even Order member is back to video signal unit block and optical system;User can not only see operative site at the moment, expand respirator Operation image be also shown in optical system in same direction.
Detailed description of the invention
Fig. 1 is system schematic of the invention;
Fig. 2 is constructive embodiment figure of the invention;
Fig. 3 is amplification respiratory organ structure schematic diagram of the invention;
Fig. 4 is amplification respirator the schematic diagram of the section structure of the invention;
Fig. 5 is video signal unit implementation example figure of the invention;
Fig. 6 is video signal cellular construction exploded view of the invention;
Fig. 7 is video signal unit optics system embodiment Fig. 1 of the invention;
Fig. 8 is video signal unit optics system embodiment Fig. 2 of the invention;
Fig. 9 is another video signal cellular construction implementation example figure of the invention;
Figure 10 is the schematic diagram for medically using respiratory aid;
Figure 11 is existing amplification respiratory tract detector Fig. 1;
Figure 12 is existing amplification respiratory tract detector Fig. 2.
Description of symbols: 10- expands respirator;101- wireless device;11- handle;12- inserted sheet;120- tabletting;121- Slot;122- video signal duct;123- illuminates duct;20- processing controller;21- image sensor;22- lens;23- light source; 24- battery;30- connection unit;301- connector;31- circuit board;32- battery;40- video signal unit;40 '-video signal units; 401- wireless device;41- framves;41 '-head framves;411- earmuff;412- earmuff;413- pivot;413 '-pivots;42- frame; 42 '-frames;420- lid;421- lens subassembly box;4211- camera lens;422- socket;423- switch;424- accommodation groove;43- tune Whole band;44- cushion;45- cushion;50- optical system;The first prism of 51-;511- enters light concave arc;512A- extension area;512- goes out Optical plane;513- reflects cambered surface;514- collecting end;The second prism of 52-;521- enters optical plane;522- exit plane;The end 523- Face;53- third prism;531- carries concave arc;532- side plane;The end face 533-;534- supports end;54- images panel;60- eyes; 70- respiratory siphon;71- inflation unit;80- epiglottis;81- tracheae;82- esophagus;90- expands respirator;91- handle;92- inserted sheet; 93- screen;94- bracket;95- idler wheel;90 '-amplification respirators;91 '-handles;92 '-inserted sheets;93 '-screens;L1- light;L2- Light;L3- sight.
Specific embodiment
As shown in Figure 1 and Figure 2, system is checked for present invention amplification respiratory tract, including at least having:
One amplification respirator 10, includes a handle 11 and curved inserted sheet 12;It please refers to shown in Fig. 3, Fig. 4, the handle 11 and inserted sheet 12 be disinfection complete integrally moulded composition, wherein 12 end of inserted sheet have a tabletting 120 outstanding, insert 12 side of piece is equipped with takes advantage of a situation the slot 121 of insertion for respiratory siphon, and the video signal duct 122 of perforation handle 11 is equipped with inside inserted sheet 12 And illumination duct 123.
It please refers to shown in Fig. 1, Fig. 3, Fig. 4, a circuit system, includes that an image process controller 20 and the edge of battery 24 are set Inside handle 11, then set an image sensor 21 and light source 23 is set at the video signal duct 122 and illumination hole of handle 11 respectively The end of the end in road 123, the image sensor 21 can be equipped with optical lens 22, so that video is relatively sharp;A connection is set again Unit 30, the image transmission that amplification respirator 10 is taken the photograph to video signal unit 40, if the connection unit 30 is a linear transfer line, Then one end is located at handle 11, and the other end is equipped with connector 301 then to connect a video signal unit 40.
Please refer to shown in Fig. 2, Fig. 5, Fig. 6, a video signal unit 40 has a frame 41 and two earmuffs 411,412 It can use and wear the head for being placed in doctor, 41 side of this frame is articulated with a frame 42 with pivot 413, which has an accommodating Slot 424 can be sealed by a lid 420, image circuit board 31 and battery 32 are equipped in the accommodation groove 424, and outward It is extended with socket 422 and control switch 423, wherein the socket 422 can be connected with the connector 301 of 30 one end of connection unit; It is in separately bending 42 outboard end of frame (i.e. towards user's face orientation), and is pivoted with the lens subassembly box that an image is shown 421 (electronic components for receiving light sensation), are more pivoted with the pick-up lens in an adjustable direction in the outer end of lens subassembly box 421 4211, which can be transferred to current scene the records such as long-range or video recording, and below lens subassembly box 421 It is further provided with the optical system 50 that a prism image is shown.
The optical system 50 that above-mentioned prism image is shown, can be used existing optical system, but the present invention only discloses one kind Embodiment, as shown in Figure 7, Figure 8, which includes: one first prism 51, at one end (upper end or lower end) be equipped with into Light concave arc 511, this, which enters light concave arc 511, to be a spherical arc, aspherical arc or free form surface, in the close eyes of the first prism 51 Side is equipped with an exit plane 512, and the upper end of the exit plane 512 is optionally equipped with an extension area 512A, then with enter light concave arc 511 It is adjacent, the reflection cambered surface 513 of a free form surface is equipped on the outside of the close visual field of the first prism 51, and in the reflection cambered surface 513 Hold adjacent with light concave arc 511 is entered, the other end then intersects and formed the collecting end 514 of the first prism 51 with exit plane 512;This is anti- Plated film in cambered surface 513 is penetrated to improve the effect of reflection.
One second prism 52 is a prism wedge, has one to enter optical plane 521, exit plane 522 and an end face 523, In this enter optical plane 521 and the first prism 51 exit plane 512 it is opposite, and there are a air gap S, the purposes of gap S When being to make light in the first prism 51 with wide-angle directive exit plane 512, it can cause to be totally reflected, be not interference second Prism 52;The then opposite eyes 60 of exit plane 522;Wherein, this enters the included angle A between optical plane 521 and exit plane 522 in 15- It is the most appropriate between 53 degree.
One third prism 53 is the compensating plate of light, has a carrying concave arc 531, just opposite to stick on the first prism 51 Reflection cambered surface 513, and be equipped with a side plane 532 on the outside of the visual field, the light that goes out of the side plane 532 and the second prism 52 is put down Face 522 is set as in parallel, this purpose make eyes 60 see extraneous image just as through one by the first prism 51, the second prism 52, the entity glass window that third prism 53 forms sees outside, will not influence user and sees that external image deforms, therefore Image is relatively sharp;To keep third prism 53 and the pairing of the first prism 51, the second prism 52 more complete, then it is respectively equipped with end Face 533 and to end 534 make collocation more consolidation be bonded.
When using the present invention, video signal unit 40 as shown in Figure 1 and Figure 2 is to be loaded in user's head position, need using When expanding respiratory tract inspection, the amplification that the hand-held amplification respirator 10 of doctor is intended to carry out patient tracheae is performed the operation to carry out (such as Figure 10 Shown in) intubation treatment when, as shown in Figure 2 and Figure 3, the image sensor 21 and light source 23 of the amplification respirator 10 will be clear Intubation perform the operation real-time imaging, be back to 40 component of video signal unit and optical system 50 through connection unit 30;Real-time imaging warp It is spread out of by the imaging panel 54 of (as shown in Figure 7, Figure 8) optical system 50, the image light L1 on the imaging panel 54 passes through the One prism 51 enters 511 directive exit plane 512 of light concave arc, can be all-trans through exit plane 512 and be incident upon the reflection cambered surface of plated film 513, then exit plane 512 is reflected and is had passed through, enter optical plane by the air gap S, and into the second prism 52 521, exit plane 522, then through eyes 60 in retina image-forming, but any object view for finding out light L2 outward is not interfered, because This, when doctor is using the present invention, as shown in Fig. 2, having put on video signal unit 40 and sight L3 at the moment has directly seen optical system System 50 can not only see operative site at the moment, expand the operation image of respirator 10 also in same direction, if there is guidance to cure Teacher is on the scene, while carrying the upper present invention, also can see that above-mentioned information simultaneously, so as to mutual guidance learning, more compared with the prior art For convenience.
It please refers to shown in Fig. 2, although it is by line style that image, which is transferred data to video signal unit 40, by amplification respirator 10 Connection unit 30, but when actual implementation on also can as shown in Figure 1, amplification respirator 10 and video signal unit 40 on be equipped with transmission Wireless device 101,401, so as in the space of wireless network, it can wirelessly reach transmission amplification respirator 10 in hand Image when art.
It please refers to shown in Fig. 2, which is a straight embodiment design worn in head;Referring again to Fig. 9 institute Show, which has an opposite head frame 41 ' and frame 42 ' being in U-shape, and in two head framves 41 ' and frame 42 ' Both ends are respectively equipped with adjustment band 43, form the annular solid of an adjustable elasticity and wear and be placed in head, this frame 41 ' and frame 42 ' are equipped with cushion 44,45 at opposite concave arc;Wherein, frame 42 ' is ducted body, is connected in external one end with pivot 413 ' Lens subassembly box 421, pick-up lens 4211, optical system 50 as the aforementioned;Inside is as shown in fig. 6, be equipped with circuit board 31, battery 32, the parts such as control switch 423 are all generally no different with aforementioned.
When therefore, using the present invention, it will have the advantage that
1, since the present invention has video signal unit and optical system, allow doctor when carrying out infusion therapy, it can be simultaneously It sees operative status now, while having the image inside operation again, do not need to be diverted attention again to other positions and go to see detecting Image is also easy that medicine teacher is allowed to instruct student, is the main advantage of the present invention.
2, it is placed in the head of doctor since the present invention wears video signal unit and optical system, so in operation amplification breathing It is more wholwe-hearted and save trouble when device, while the amplification respirator relevant device can be made into jettisonable with integrally moulded Equipment, keep the behavior of medical treatment more safe and healthy, be another advantage of the present invention.
Structure of the present invention is only preferred embodiment, is not intended to limit the invention the range of implementation;Therefore work as Equivalent or easily variation person, the made equalization in the case where not departing from spirit and scope of the invention made by those skilled in the art Variation and modification, such as: substantially change the shape or size of component, with similar optical system, or uses identical material Deng, but characteristic person of the invention is used, it should all be covered by protection scope of the present invention.

Claims (7)

1. a kind of amplification respiratory tract checks system, which is characterized in that including at least having:
One amplification respirator includes a handle and curved inserted sheet, and the plastics that the handle and inserted sheet are completed by disinfection are integrated Molding, wherein tab end has a tabletting outstanding, is equipped in inserted sheet side and takes advantage of a situation the slot of insertion for respiratory siphon, in inserted sheet Inside is equipped with the video signal duct and illumination duct of perforation handle;
The battery that one circuit system includes an image process controller and is set inside handle, an image sensor and light Source is set at the video signal duct of handle respectively and illuminates the end in duct, and the end of the image sensor is equipped with optical lens;
One connection unit, for image transmission that respirator is taken the photograph will to be expanded to video signal unit;
One video signal unit has a frame, can wear the head for being placed in doctor, and this frame side is articulated with a frame by pivot Frame, the frame have an accommodation groove, image circuit board and battery are equipped in the accommodation groove, and protruding have socket and control System switch;It separately is pivoted with the lens subassembly box that an image is shown towards user's face orientation in frame outboard end, in lens group The outer end of part box is more pivoted with the pick-up lens in an adjustable direction, the pick-up lens can by current image transmission to long-range or Video recording, is further provided with the optical system that a prism image is shown below lens subassembly box;
Accordingly, when video signal unit is loaded in user's head position, and hand-held amplification respirator is intended to carry out patient the amplification of tracheae Operation be intubated treatment when, the image sensor and light source of the amplification respirator will clearly be intubated operation real-time imaging Video signal unit block and optical system are back to through connection unit;User can not only see operative site at the moment, and amplification is exhaled The operation image of haustorium is also shown in optical system in same direction.
2. amplification respiratory tract according to claim 1 checks system, which is characterized in that the connection unit is a linear transfer Line, and one end is located at handle, the other end is equipped with connector to be connected to video signal unit.
3. amplification respiratory tract according to claim 1 checks system, which is characterized in that the head frame both ends of the video signal unit have There are two earmuffs, can use straight wear in head.
4. amplification respiratory tract according to claim 1 checks system, which is characterized in that the video signal unit is to be in relatively by one The head frame and frame of U-shaped are constituted, and are respectively equipped with adjustment band at the both ends of two head framves and frame, and formation one can adjust elastic The annular solid of degree and wear and be placed in head.
5. amplification respiratory tract according to claim 1 checks system, which is characterized in that the connection unit is wireless device, Respectively amplification respirator and video signal unit on be equipped with transmission wireless device, so as in the space of wireless network to be wirelessly transferred Mode transmit amplification respirator image during operation.
6. amplification respiratory tract according to claim 1 checks system, which is characterized in that the optical system includes:
One first prism, is equipped at one end into light concave arc, is equipped with an exit plane in the close eyes side of the first prism, should go out light The upper end of plane is adjacent with light concave arc is entered, and the reflection cambered surface of a free form surface is equipped on the outside of the close visual field of the first prism, and The reflection cambered surface has plated film, and upper end is adjacent with light concave arc is entered, and the other end intersects with exit plane and forms the first prism Collecting end;
One second prism is a prism wedge, has and one enter optical plane, exit plane and an end face, wherein this enter optical plane with The exit plane of first prism is opposite, and there are a air gaps, make light in the first prism with wide-angle directive exit plane When can form total reflection, exit plane opposite direction eyes;
One third prism is the compensating plate of light, has a carrying concave arc, just sticks on the reflection cambered surface of the first prism relatively, And a side plane is being equipped on the outside of the visual field, which is set as parallel with the exit plane of the second prism;
Enter light concave arc directive exit plane when the image light on the imaging panel passes through the first prism, then complete through exit plane The reflection cambered surface of plated film is reflexed to, then is reflected and had passed through exit plane, by the air gap, and enters the second prism Enter optical plane, exit plane, then through eyes in retina image-forming, but does not interfere any object view for finding out light outward.
7. amplification respiratory tract according to claim 6 checks system, which is characterized in that first prism is close to eyes side It is formed by exit plane upper end and is first equipped with an extension area, then is adjacent with light concave arc is entered.
CN201710884729.3A 2017-09-26 2017-09-26 It expands respiratory tract and checks system Pending CN109550126A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5973728A (en) * 1994-05-09 1999-10-26 Airway Cam Technologies, Inc. Direct laryngoscopy video system
CN101175436A (en) * 2005-04-01 2008-05-07 维拉顿医疗(加拿大)Ulc公司 Video retractor
CN101554319A (en) * 2009-04-30 2009-10-14 石学银 Electronic video multifunctional laryngoscope
CN201418736Y (en) * 2009-05-12 2010-03-10 上海霖毅电子科技有限公司 Medical video laryngoscope
US8479739B2 (en) * 2005-12-02 2013-07-09 The Cooper Health System System and method for managing difficult airways
CN206147180U (en) * 2016-09-06 2017-05-03 铭异科技股份有限公司 Encircle hanging information display imaging device
CN106855655A (en) * 2015-12-08 2017-06-16 铭异科技股份有限公司 Asymmetric curved surface prism image display optical system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5973728A (en) * 1994-05-09 1999-10-26 Airway Cam Technologies, Inc. Direct laryngoscopy video system
CN101175436A (en) * 2005-04-01 2008-05-07 维拉顿医疗(加拿大)Ulc公司 Video retractor
US8479739B2 (en) * 2005-12-02 2013-07-09 The Cooper Health System System and method for managing difficult airways
CN101554319A (en) * 2009-04-30 2009-10-14 石学银 Electronic video multifunctional laryngoscope
CN201418736Y (en) * 2009-05-12 2010-03-10 上海霖毅电子科技有限公司 Medical video laryngoscope
CN106855655A (en) * 2015-12-08 2017-06-16 铭异科技股份有限公司 Asymmetric curved surface prism image display optical system
CN206147180U (en) * 2016-09-06 2017-05-03 铭异科技股份有限公司 Encircle hanging information display imaging device

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Application publication date: 20190402