CN102755686B - S-shaped visible hard cannula core - Google Patents
S-shaped visible hard cannula core Download PDFInfo
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- CN102755686B CN102755686B CN201210282005.9A CN201210282005A CN102755686B CN 102755686 B CN102755686 B CN 102755686B CN 201210282005 A CN201210282005 A CN 201210282005A CN 102755686 B CN102755686 B CN 102755686B
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 25
- 210000003437 trachea Anatomy 0.000 abstract description 2
- 238000002627 tracheal intubation Methods 0.000 description 15
- 239000013307 optical fiber Substances 0.000 description 9
- 210000002345 respiratory system Anatomy 0.000 description 9
- 230000000007 visual effect Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 210000004704 glottis Anatomy 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 206010002091 Anaesthesia Diseases 0.000 description 3
- 230000037005 anaesthesia Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 208000037273 Pathologic Processes Diseases 0.000 description 2
- 238000001949 anaesthesia Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009054 pathological process Effects 0.000 description 2
- 206010034829 Pharyngeal oedema Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 208000018299 prostration Diseases 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 210000005181 root of the tongue Anatomy 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
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Abstract
The invention discloses an S-shaped visible hard cannula core. The S-shaped visible hard cannula core comprises a liquid crystal display, a handle and a hard tube core which are sequentially connected, wherein a camera and a light-emitting body are arranged at the outer end of the hard tube core and respectively connected with the liquid crystal display. The hard tube core is sequentially divided into a first linear section, a camber-line-shaped section, a circular arc section and a second linear section from one end to the other end, wherein the included angle formed by the tangential direction of the tail end of the circular arc section close to the camber-line-shaped section and the axis direction of the handle ranges from 2 degrees to 20 degrees, the circular arc radius of the circular arc section is 45-70mm, the central angle which the circular arc of the circular arc section faces ranges from 60 degrees to 80 degrees, and the included angle formed by the second linear section and the axis direction of the handle ranges from 50 degrees to 70 degrees. The S-shaped visible hard cannula core has the advantages of being convenient to operate, clear in images and capable of fast and accurately finishing trachea cannula inserting operation.
Description
Technical field
The invention belongs to technical field of medical instruments, particularly relating to a kind of for guiding the visible hard intubating stylet of patient's trachea intubate.
Background technology
Carry out as Anesthesia Department of hospital, emergency department and serious symptom treatment section the laryngoscope that tracheal intubation operates indispensable apparatus, be widely used in clinical practice.All at present tracheal strips that the endotracheal tube with intubating stylet is directly provided under the video image provided at photographic head by patient usually with the laryngoscope of video capability, or utilize the guide channel of design in laryngoscope blade side, endotracheal tube is inserted under video image guides the tracheal strips of patient along guide channel, as Patent Office of the People's Republic of China's a CN201328799Y document disclosed in 21 days October in 2009, document name is called " electronic video anaesthesia laryngoscope for difficult intubation ", the electronic video anaesthesia laryngoscope for difficult intubation described in document comprises the laryngoscope blade of band handle, handle cutting ferrule and liquid crystal display, handle cutting ferrule is flexibly connected by damping rotary joint with liquid crystal display, connection between laryngoscope blade with handle and liquid crystal display is: the laryngoscope blade of band handle is connected with handle cutting ferrule by socket joint type buckle with liquid crystal display, or be connected with a display charger by the handle adapter sleeve of a tape cable, display cradle is connected with display, laryngoscope blade with handle can be dismantled by the connection of socket joint type buckle and handle cutting ferrule, and after clamping, both electrical connections are connected by conductive contact, there are illuminating lamp, photographic head and heating mist elimination circuit in laryngoscope blade front end with handle.This laryngoscope is in order to see the position of glottis clearly, in laryngoscope blade, be provided with photographic head, be provided with illuminating lamp and heater circuit in the side of photographic head, be provided with guide channel in the side of laryngoscope blade, the move place be necessary during insertion to make endotracheal tube, the space of guide channel is greater than endotracheal tube.Such guide channel adds the laryngoscope blade on side again, and the area of its cross section is comparatively large, although use without obvious problem in normal patient, if meet the narrow and small patient of limitation of mouth opening, serious laryngeal pathological process or bottleneck throat, then cannot effectively use at all.
In order to head it off, can bent optical fibers or video bronchoscope arise at the historic moment, they be optical fibers or photographic head are set directly at one soft can on bent conduit, when tracheal intubation, endotracheal tube is enclosed within soft can on bent conduit, thus can be used in the difficult tracheal intubation patients such as limitation of mouth opening, serious laryngeal pathological process or bottleneck throat be narrow and small.But, owing to can bent optical fibers or the bronchoscopic body of video be made by flexible material, so its operability is poor, in tracheal intubation operating process, particularly at especial patient, can bent optical fibers or video bronchoscope just exist circumferential distortion or arc to out of shape may, even radially flatten, these are all unfavorable for completing tracheal intubation operation smoothly.
Can bent optical fibers or the poor problem of video bronchoscope operability in order to solve, then relevant shaping device is developed, bent optical fibers or video bronchoscope can be socketed in the outside of shaping device, by means of the rigidity of the shaping device that metal material is made, make bent optical fibers or the bronchoscopic clinical practice of video to improve; However, but due to its rigidity deficiency, doctor operate can bent optical fibers or video bronchoscope time, the capture direction being located at the minisize pick-up head of its leading section is usually still difficult to accurate manipulation, thus add the labor intensity of doctor, reduce the work efficiency of doctor, and painful time when extending patient treatment.In addition, grasp the practice that this technology also needs repeatedly, and needed certain quantity to maintain its operant skill every year.Therefore, to overcome the cry of this problem more and more higher for clinician requirements.
Summary of the invention
The present invention mainly solve original can bent optical fibers or video bronchoscope due to rigidity not enough, what cause clinician precisely cannot manipulate minisize pick-up head gets the technical problem resembling direction, there is provided a kind of easy to operate, precisely can manipulate photographic head and get and resemble direction, improve the work efficiency of doctor, reduce the S shape visible hard intubating stylet of misery index during patient treatment.
The present invention also solves due to liquid crystal display screen birefringence, optically biaxial optical characteristics simultaneously, exceed its proper dimension scope, image color will the phenomenon of distortion, the visual angle providing a kind of LCDs present position that doctor is under the natural state of work is just positioned at its good observation angle, thus obtain clear, image accurately, the S shape visible hard intubating stylet of tracheal intubation or diagnosis and treatment work can be completed fast.
The present invention solves the in-problem technical scheme of prior art: a kind of S shape visible hard intubating stylet, comprise liquid crystal display, the hard tube core of handle and hollow, one end of handle is connected with liquid crystal display, the other end of described handle is connected with one end of hard tube core, photographic head and luminous body is provided with in the other end of hard tube core, photographic head is connected with liquid crystal display respectively with luminous body, hard tube core passes through and is followed successively by the first linear section respectively, arc line shaped section, circular arc section, second linear section, arc line shaped section is " S " shape together with circular arc section, circular arc section is 2 ° to 20 ° near the end tangential direction of arc line shaped section and the angle in handle axis direction, the arc radius of circular arc section is 45 mm to 70 mm, the central angle that the circular arc of circular arc section is right is 60 ° to 80 °, the angle in the second linear section and handle axis direction is 50 ° to 70 °.
Human upper airway is generally arc trend, angle between the root of the tongue and glottis normally about 70-90 °, but special difficult patient is because abnormal conditions such as throat's swelling, its upper respiratory tract moves towards great majority and to become or close to circular arc, the arc radius of this circular arc is between 45 mm to 70 mm, the right central angle of this circular arc is 60 ° to 80 °, so the arc radius of circular arc section is set to 45 mm to 70 mm, the central angle that the circular arc of circular arc section is right is set to 60 ° to 80 °, the angle in the second linear section and handle axis direction is set to 50 ° to 70 °.The physiological bending of this circular arc Duan Keyu patient upper respiratory tract mates better like this, farthest to promote tracheal intubation operation, because special problematic patient is generally be in prostration position when rescuing, when visible hard intubating stylet inserts patient's bottleneck throat, although the circular arc section of hard tube core and the upper respiratory tract of special problematic patient bend and match, but the position residing for the liquid crystal display be connected with hard tube core but deviate from the optimum visual scope operating doctor, in order to head it off, this hard tube core is separately provided with one section of arc line shaped section between circular arc section and liquid crystal display, the bending direction of arc line shaped section is contrary with circular arc section, thus make the shape of hard tube core S-shaped, the position of liquid crystal display is adjusted 2 ° to 20 ° in the visual range of doctor's the best, so that doctor clearly can observe the upper respiratory tract image of patient, make accurate judgement fast, simultaneously due to the existence of arc line shaped section, this arc line shaped section can serve as the handle that doctor rotates visible hard intubating stylet, facilitate doctor to operate so that doctor manipulate under the guiding of display image fast accurate photographic head get resemble direction and find glottis and complete tracheal intubation operation.
The arc of described arc line shaped section can be elliptic arc, also can circular arc, also can be the arc of other shapes, and as preferably, the arc of described arc line shaped section is circular arc.Circular arc processing technique is simple, to cut down finished cost.
Described circular arc section is 10 ° near the end tangential direction of arc line shaped section and the angle in handle axis direction.According to the position of standing when the height of most of doctor and operation, when circular arc section is 10 ° near the end tangential direction of arc line shaped section and the angle in handle axis direction, the liquid crystal display screen of display is just the visual position being in doctor's the best.
The arc radius of described circular arc section is 57mm.The circular arc characteristic radius of most of special problematic patient's upper respiratory tract is at about 57mm.
The central angle that the circular arc of described circular arc section is right is 70 °.The central angle of the circular arc feature of most of special problematic patient's upper respiratory tract is 70 °.
Luminous body and photographic head can be disjunctors, also can be splits.As preferably, described luminous body and photographic head are connected as a single entity, and luminous body position is in the side of photographic head view aperture.The size of endotracheal tube internal diameter is regulation in industry, and internal diameter is 6mm, in order to adapt to this specification, luminous body being arranged on the side of photographic head view aperture, becoming to be integrated with photographic head.
Endotracheal tube localizer is socketed with outside described hard tube core first linear type section.Like this so that S shape visible hard intubating stylet is located exactly to endotracheal tube, enable doctor's one-handed performance, vacate another hands to adjust tracheal intubation direction.
The invention has the beneficial effects as follows:
1, insert the shape of patient's upper respiratory tract part and the bending of patient's upper respiratory tract matches because the present invention is socketed in hard tube core in endotracheal tube, can farthest promote that tracheal intubation operates;
2, because minisize pick-up head and luminous body design in the front end of hard tube core by the present invention, make the accuracy of its direction to control better;
3, bend because hard tube core of the present invention is provided with one section of arc line shaped again between circular arc section and liquid crystal display, the position of liquid crystal display is adjusted 2 ° to 20 ° in the visual range of doctor's the best, make doctor just clearly can observe the image of patient's upper respiratory tract when natural position, make fast and judging exactly, the labor intensity of doctor can be reduced and improve the success rate of tracheal intubation;
4, because hard tube core of the present invention is provided with one section of arc line shaped section again between circular arc section and liquid crystal display, the bending direction of arc line shaped section is contrary with circular arc section, make hard die shape S-shaped, make doctor this arc line shaped section can be served as the handle rotating visible hard intubating stylet, doctor is facilitated to operate, under the guiding of screen image, manipulate minisize pick-up head get and resemble direction and find glottis to complete tracheal intubation fast accurate, shorten the operating time, alleviate the misery of patient;
5, owing to being socketed with special endotracheal tube localizer outside hard tube core first linear type section, facilitate the singlehanded intubate of doctor, vacate another hands to adjust the direction of tracheal intubation.
Accompanying drawing explanation
Fig. 1 is a kind of structure schematic front view of the present invention;
Fig. 2 is R portion enlarged diagram in Fig. 1;
Fig. 3 is that A in Fig. 1 is to schematic diagram.
In figure: 1: liquid crystal display; 2: hands handle; 3: endotracheal tube localizer; 4: hard tube core; 41: the first linear section; 42: arc line shaped section; 43: circular arc section; 44: the second linear section; 5: minisize pick-up head; 51:LED lamp; 52: view aperture.
Detailed description of the invention
Below by preferred embodiment, and in conjunction with Figure of description, technical scheme of the present invention is further described in detail:
Embodiment: a kind of S shape visible hard intubating stylet, as shown in Figure 1, comprise liquid crystal display 1, the handle 2 of hollow, the endotracheal tube localizer 3 of hollow and the hard tube core 4 of hollow, one end of handle 2 is fixedly connected with liquid crystal display 1, the other end of described handle 2 is connected with the threaded one end of endotracheal tube localizer 3, the other end close-fitting of endotracheal tube localizer 3 is socketed in one end of hard tube core 4, minisize pick-up head 5 and LED 51 is provided with in the other end of hard tube core 4, minisize pick-up head 5 is connected with liquid crystal display 1 respectively with LED 51, hard tube core 4 passes through and is followed successively by the first linear section 41 respectively, arc line shaped section 42, circular arc section 43, second linear section 44, arc line shaped section 42 is " S " shape together with circular arc section 43, circular arc section 43 is 10 ° near the end tangential direction of arc line shaped section 42 and the angle of handle 2 axis direction, the arc radius of circular arc section 43 is 57mm, the central angle that the circular arc of circular arc section 43 is right is 70 °, second linear section 44 is 60 ° with the angle of handle 2 axis direction, in order to easy to process, the arc of arc line shaped section 42 is also circular arc.
As shown in Figure 2, be provided with installation cavity in the other end of hard tube core 4, minisize pick-up head 5 close-fitting is arranged in this installation cavity, and the front end face of minisize pick-up head 5 flushes with the front end face of hard tube core 4.
As shown in Figure 3, in order to avoid there is the interference of light, make liquid crystal display 1 can obtain the image of high-resolution, the view aperture 52 of minisize pick-up head 5 is biased relative to the axial centre of minisize pick-up head 5, minisize pick-up head 5 is provided with two LED 51 in the side of view aperture 52, and LED 51 and view aperture 52 rank in the both sides of minisize pick-up head 5 axial centre.
Above-described embodiment is a kind of preferred version of the present invention, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
The content be not described in detail in this description, belongs to the known prior art of those skilled in the art.
Claims (6)
1. a S shape visible hard intubating stylet, comprise liquid crystal display, the hard tube core of handle and hollow, one end of handle is connected with liquid crystal display, the other end of described handle is connected with one end of hard tube core, it is characterized in that: in the other end of hard tube core, be provided with photographic head and luminous body, photographic head is connected with liquid crystal display respectively with luminous body, hard tube core passes through and is followed successively by the first linear section respectively, arc line shaped section, circular arc section, second linear section, arc line shaped section is " S " shape together with circular arc section, circular arc section is 2 ° to 20 ° near the end tangential direction of arc line shaped section and the angle in handle axis direction, the arc radius of circular arc section is 45mm to 70mm, the central angle that the circular arc of circular arc section is right is 60 ° to 80 °, the angle in the second linear section and handle axis direction is 50 ° to 70 °, described luminous body and photographic head are connected as a single entity, luminous body position is in the side of photographic head view aperture, the view aperture of photographic head is biased relative to the axial centre of photographic head, photographic head is provided with two luminous bodys in the side of view aperture, luminous body and view aperture rank the both sides in photographic head axial centre.
2. S shape visible hard intubating stylet according to claim 1, is characterized in that: the arc of described arc line shaped section is circular arc.
3. S shape visible hard intubating stylet according to claim 2, is characterized in that: described circular arc section is 10 ° near the end tangential direction of arc line shaped section and the angle in handle axis direction.
4. S shape visible hard intubating stylet according to claim 1, is characterized in that: the arc radius of described circular arc section is 57 mm.
5. S shape visible hard intubating stylet according to claim 4, is characterized in that: the central angle that the circular arc of described circular arc section is right is 70 °.
6. the S shape visible hard intubating stylet according to claim 1 or 2 or 3 or 4, is characterized in that: be socketed with endotracheal tube localizer outside described hard tube core first linear type section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210282005.9A CN102755686B (en) | 2012-08-09 | 2012-08-09 | S-shaped visible hard cannula core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210282005.9A CN102755686B (en) | 2012-08-09 | 2012-08-09 | S-shaped visible hard cannula core |
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| CN102755686A CN102755686A (en) | 2012-10-31 |
| CN102755686B true CN102755686B (en) | 2015-07-08 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103566448A (en) * | 2013-11-18 | 2014-02-12 | 夏敏 | Viewable bendable double-cavity bronchial catheter |
| CN104606757A (en) * | 2015-02-17 | 2015-05-13 | 南京市口腔医院 | Endotracheal intubation lens |
| CN106039513A (en) * | 2016-07-06 | 2016-10-26 | 河南驼人医疗器械集团有限公司 | Wireless visual guide core for tracheal intubation |
| CN110496286B (en) * | 2019-08-21 | 2021-12-14 | 柯纬祺 | Optical rod for trachea cannula |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102307512A (en) * | 2009-02-09 | 2012-01-04 | 马里奥·佐卡 | Catheter for trachea-bronchial suction with visualization means |
| CN102580215A (en) * | 2012-03-28 | 2012-07-18 | 台州瀚创医疗器械科技有限公司 | Prebent tracheal catheter core |
| CN202776237U (en) * | 2012-08-09 | 2013-03-13 | 台州瀚创医疗器械科技有限公司 | S-shaped visual hard intubation tube core |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011068741A1 (en) * | 2009-12-02 | 2011-06-09 | Mor Research Applications Ltd. | Sensing endotracheal tube location |
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- 2012-08-09 CN CN201210282005.9A patent/CN102755686B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102307512A (en) * | 2009-02-09 | 2012-01-04 | 马里奥·佐卡 | Catheter for trachea-bronchial suction with visualization means |
| CN102580215A (en) * | 2012-03-28 | 2012-07-18 | 台州瀚创医疗器械科技有限公司 | Prebent tracheal catheter core |
| CN202776237U (en) * | 2012-08-09 | 2013-03-13 | 台州瀚创医疗器械科技有限公司 | S-shaped visual hard intubation tube core |
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| CN102755686A (en) | 2012-10-31 |
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Address after: 317300, Taizhou, Zhejiang province Xianju County Fuk Street Zhou Yantou Pro Creek Road, No. 153 Applicant after: ZHEJIANG UE MEDICAL CORP. Applicant after: Wang Weidong Applicant after: Li Yuesheng Address before: 317300, Taizhou, Zhejiang province Xianju County Fuk Street Zhou Yantou Pro Creek Road, No. 153 Applicant before: Zhejiang Taizhou Hanchuang Medical Apparatus Technology Co., Ltd. Applicant before: Wang Weidong Applicant before: Li Yuesheng |
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Effective date of registration: 20190109 Address after: 317317 No. 8, Baoda block, Baita District, Xianju Economic Development Zone, Taizhou, Zhejiang Patentee after: ZHEJIANG UE MEDICAL CORP. Address before: 317300 Zhou Yantou, Linxi Road, Fuying street, Xianju County, Taizhou, Zhejiang, 153 Co-patentee before: Wang Weidong Patentee before: ZHEJIANG UE MEDICAL CORP. Co-patentee before: Li Yuesheng |
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Address after: 317317 No.8 Youyi Road, Baita block, Xianju Economic Development Zone, Baita Town, Xianju County, Taizhou City, Zhejiang Province Patentee after: Zhejiang Youyi Medical Equipment Co., Ltd Address before: 317317 No. 8, Baoda block, Baita District, Xianju Economic Development Zone, Taizhou, Zhejiang Patentee before: ZHEJIANG UE MEDICAL Corp. |