CN102755686A - S-shaped visible hard cannula core - Google Patents
S-shaped visible hard cannula core Download PDFInfo
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- CN102755686A CN102755686A CN2012102820059A CN201210282005A CN102755686A CN 102755686 A CN102755686 A CN 102755686A CN 2012102820059 A CN2012102820059 A CN 2012102820059A CN 201210282005 A CN201210282005 A CN 201210282005A CN 102755686 A CN102755686 A CN 102755686A
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- section
- circular arc
- hard
- handle
- tube core
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 25
- 230000000007 visual effect Effects 0.000 claims description 22
- 210000003437 trachea Anatomy 0.000 abstract description 4
- 238000002627 tracheal intubation Methods 0.000 description 15
- 210000002345 respiratory system Anatomy 0.000 description 10
- 239000013307 optical fiber Substances 0.000 description 9
- 238000005452 bending Methods 0.000 description 6
- 210000004704 glottis Anatomy 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion 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
- 230000003444 anaesthetic effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000013461 design 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
- 238000012545 processing Methods 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 244000188472 Ilex paraguariensis Species 0.000 description 1
- 206010034829 Pharyngeal oedema Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram 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
- 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
- 230000002035 prolonged effect Effects 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, relate in particular to a kind of visual hard intubating stylet that is used to guide the patient's trachea intubate.
Background technology
Carry out the laryngoscope that tracheal intubation is operated indispensable apparatus as Anesthesia Department of hospital, emergency department and serious symptom treatment section, be widely used in clinical practice.The laryngoscope that has video capability at present all is that the endotracheal tube that under the video image that photographic head provides, will have intubating stylet directly inserts in patient's the trachea usually; Or the utilization design is at the guide channel of laryngoscope blade one side; Endotracheal tube is guided down in guide channel insertion patient's trachea at video image; Like Patent Office of the People's Republic of China at disclosed a CN201328799Y document on October 21st, 2009; Document name is called " the electric video anesthetic laryngopharyngoscope that is used for difficult intubation "; The described electric video anesthetic laryngopharyngoscope that is used for difficult intubation of document comprises laryngoscope blade, handle cutting ferrule and the liquid crystal display of being with handle, and handle cutting ferrule and liquid crystal display flexibly connect through the damping rotary joint, and the laryngoscope blade of band handle and the connection between the liquid crystal display are: the laryngoscope blade of band handle is connected with the handle cutting ferrule through the socket joint type buckle with liquid crystal display; Perhaps the handle adapter sleeve through a tape cable is connected with a display charger, and the display cradle is connected with display; The laryngoscope blade of band handle can be dismantled with being connected of handle cutting ferrule through the socket joint type buckle, and both electrical connections are connected through conductive contact after the clamping; The laryngoscope blade front end of band handle has illuminating lamp, photographic head and heating mist elimination circuit.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, be provided with guide channel in a side of laryngoscope blade in a side of photographic head; For the move place that endotracheal tube is necessary during insertion, the space of guide channel is greater than endotracheal tube.Guide channel adds the laryngoscope blade on next door more like this, and the area of its cross section is bigger, though use no obvious problem in normal patient, if run into limitation of mouth opening, serious laryngeal pathological process or the narrow and small patient of bottleneck throat, then can't effectively use at all.
For head it off; Can bent optical fibers or the video bronchoscope arise at the historic moment; They be with optical fibers or photographic head be set directly at one soft can bent conduit on; When tracheal intubation with endotracheal tube be enclosed within soft can bent conduit on, thereby can be used in difficult tracheal intubation patients such as limitation of mouth opening, serious laryngeal pathological process or bottleneck throat be narrow and small.But; Since can bent optical fibers or the bronchoscopic body of video be made by flexible material, so its operability is relatively poor, in the tracheal intubation operating process; Particularly at especial patient; Can bent optical fibers or the video bronchoscope just exist circumferentially distortion or arc to out of shape maybe, even radially flatten, these all are unfavorable for accomplishing smoothly the tracheal intubation operation.
Can bent optical fibers or the relatively poor problem of video bronchoscope operability in order to solve; Then develop relevant shaping device; Can bent optical fibers or the video bronchoscope be socketed in the outside of shaping device; The rigidity of the shaping device of processing by means of metal material, make can bent optical fibers or the bronchoscopic clinical practice of video improve; However; But because its rigidity is not enough; The doctor can bent optical fibers or during the video bronchoscope, the capture direction that is located at the minisize pick-up head of its leading section usually still is difficult to precisely control, thereby has increased doctor's labor intensity in operation; Reduced doctor's work efficiency, and the painful time when having prolonged patient treatment.In addition, grasping this technology also needs practice repeatedly, and needs every year the certain quantity of completion to keep its operant skill.Therefore, it is increasingly high that the clinician requires to overcome the cry of this problem.
Summary of the invention
The present invention mainly solved original can bent optical fibers or the video bronchoscope because rigidity is not enough; Cause the clinician can't precisely control the technical problem that getting of minisize pick-up head resembles direction; Provide a kind of easy to operate, can precisely control photographic head and get and resemble direction; Improve doctor's work efficiency, the visual hard intubating stylet of S shape of misery index when reducing patient treatment.
The present invention has also solved owing to liquid crystal display screen birefringence, optically biaxial optical characteristics simultaneously; Exceed its suitable angular field of view; Image color will distortion phenomenon; The visual angle that provides a kind of LCDs present position that the doctor is under the state of work nature just is positioned at its good observation angle, thereby obtains clear, image accurately, can accomplish the visual hard intubating stylet of S shape of tracheal intubation or diagnosis and treatment work fast.
The present invention solves the in-problem technical scheme of prior art: the visual hard intubating stylet of a kind of S shape; The hard tube core that comprises liquid crystal display, handle and hollow; One end of handle is connected with liquid crystal display; The other end of said handle is connected with an end of hard tube core, is provided with photographic head and luminous body in the other end of hard tube core, and photographic head is connected with liquid crystal display respectively with luminous body; The hard tube core passes through and is followed successively by first linear section, camber line shape section, circular arc section, second linear section respectively; Camber line shape section is " S " shape together with the circular arc section, and the circular arc section is 2 ° to 20 ° near the terminal tangential direction of camber line shape section and the angle of handle axis direction, and the arc radius of circular arc section is 45 mm to 70 mm; The circular arc of circular arc section right central angle be 60 ° to 80 °, the angle of second linear section and handle axis direction is 50 ° to 70 °.
The human body upper respiratory tract is generally the arc trend; Angle between the root of the tongue and the glottis is normally about 70-90 °; But special difficult patient is because abnormal conditions such as throat's swelling, and its upper respiratory tract moves towards that great majority become or near circular arc, the arc radius of this circular arc is between 45 mm to 70 mm; This circular arc right central angle be 60 ° to 80 °; So the arc radius of circular arc section is set to 45 mm to 70 mm, the circular arc of circular arc section right central angle be set to 60 ° to 80 °, the angle of 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 matees better like this, so that farthest promote the tracheal intubation operation; Because special difficult patient generally is to be in prostration position when rescuing; When visual hard intubating stylet inserts patient's bottleneck throat; Though the circular arc section of hard tube core and special difficult patient's upper respiratory tract bending are complementary, operation doctor's optimum visual scope has but been departed from the residing position of liquid crystal display that is connected with the hard tube core, for head it off; This hard tube core is provided with one section camber line shape section in addition between circular arc section and liquid crystal display; The bending direction of camber line shape section is opposite with the circular arc section, thereby makes the shape of hard tube core S-shaped, and the position of liquid crystal display is adjusted 2 ° to 20 ° to the visual range of doctor's the best; So that the doctor can clearly observe patient's upper respiratory tract image, make accurate judgement fast; Simultaneously because the existence of camber line shape section; This camber line shape section can be served as the handle that the doctor rotates visual hard intubating stylet; Make things convenient for the doctor to operate, get and resemble direction and find glottis and accomplish tracheal intubation operation so that the doctor controls photographic head fast accurately under the guiding of display image.
The arc of said camber line shape section can be an elliptic arc, also can circular arc, and also can be the arc of other shapes, as preferably, the arc of said camber line shape section is a circular arc.The circular arc processing technique is simple, so that cut down finished cost.
Said circular arc section is 10 ° near the terminal tangential direction of camber line shape section and the angle of handle axis direction.The position of standing during according to most of doctors' height and operation, when the circular arc section was 10 ° near the angle of the terminal tangential direction of camber line shape section and handle axis direction, the liquid crystal display screen of display just was the visual position that is in doctor's the best.
The arc radius of said circular arc section is 57mm.The circular arc characteristic radius of most of special difficult patient's upper respiratory tract is about 57mm.
The circular arc of said circular arc section right central angle be 70 °.The central angle of the circular arc characteristic of most of special difficult patient's upper respiratory tract is 70 °.
Luminous body and photographic head can be disjunctors, also can be splits.As preferably, said luminous body and photographic head are connected as a single entity, and luminous body is positioned at a side of photographic head view aperture.The size of endotracheal tube internal diameter is a regulation in the industry, and internal diameter is 6mm, in order to adapt to this standard, luminous body is arranged on a side of photographic head view aperture, becomes one with photographic head.
The said hard tube core first linear type section outside is socketed with the endotracheal tube localizer.So that the visual hard intubating stylet of S shape is located endotracheal tube exactly, make the doctor can one-handed performance like this, vacate another hands and adjust the tracheal intubation direction.
The invention has the beneficial effects as follows:
1, because the present invention is socketed in the shape of the hard tube core insertion patient upper respiratory tract part in the endotracheal tube and the bending of patient's upper respiratory tract is complementary, can farthest promote the tracheal intubation operation;
2, because the present invention designs the front end at the hard tube core with minisize pick-up head and luminous body, make the accuracy of its direction to control better;
3, because hard tube core of the present invention is provided with one section camber line shape bending again between circular arc section and liquid crystal display; The position of liquid crystal display is adjusted 2 ° to 20 ° to the visual range of doctor's the best; Make the doctor when natural position, just can clearly observe the image of patient's upper respiratory tract; Make fast exactly and judging, can reduce doctor's labor intensity and the success rate that improves tracheal intubation;
4, because hard tube core of the present invention is provided with one section camber line shape section again between circular arc section and liquid crystal display; The bending direction of camber line shape section is opposite with the circular arc section, makes the hard die shape S-shaped, makes the doctor can this camber line shape section be served as the handle that rotates visual hard intubating stylet; Make things convenient for the doctor to operate; Under the guiding of looking screen image, control minisize pick-up head fast accurately and get and resemble direction and find glottis to accomplish tracheal intubation, shorten the operating time, alleviate patient's misery;
5, because the hard tube core first linear type section outside is socketed with special-purpose endotracheal tube localizer, make things convenient for the singlehanded intubate of doctor, vacate the direction that another hands is adjusted tracheal intubation.
Description of drawings
Fig. 1 is that a kind of structure master of the present invention looks sketch map;
Fig. 2 is a R portion enlarged diagram among Fig. 1;
Fig. 3 is that A among Fig. 1 is to sketch map.
Among the figure: 1: liquid crystal display; 2: the hands handle; 3: the endotracheal tube localizer; 4: the hard tube core; 41: the first linear section; 42: camber line shape section; 43: the circular arc section; 44: the second linear section; 5: minisize pick-up head; The 51:LED lamp; 52: view aperture.
The specific embodiment
Pass through preferred embodiment below, and combine Figure of description that technical scheme of the present invention is further specified:
Embodiment: the visual hard intubating stylet of a kind of S shape; As shown in Figure 1, comprise the handle 2 of liquid crystal display 1, hollow, the endotracheal tube localizer 3 of hollow and the hard tube core 4 of hollow, an end of handle 2 is fixedly connected with liquid crystal display 1; The other end of said 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 an end of hard tube core 4, is provided with minisize pick-up head 5 and LED lamp 51 in the other end of hard tube core 4, and minisize pick-up head 5 is connected with liquid crystal display 1 respectively with LED lamp 51; Hard tube core 4 passes through and is followed successively by first linear section 41, camber line shape section 42, circular arc section 43, second linear section 44 respectively; Camber line shape section 42 is " S " shape together with circular arc section 43, and circular arc section 43 is 10 ° near the terminal tangential direction of camber line shape section 42 and the angle of handle 2 axis directions, and the arc radius of circular arc section 43 is 57mm; The circular arc of circular arc section 43 right central angle be 70 °; Second linear section 44 is 60 ° with the angle of handle 2 axis directions, and for easy to process, the arc of camber line shape section 42 also is a 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-fittings are installed 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; For fear of the interference of light takes place; Make liquid crystal display 1 can obtain the image of high-resolution; The view aperture 52 of minisize pick-up head 5 is with respect to the axial centre biasing of minisize pick-up head 5, and minisize pick-up head 5 is provided with two LED lamps 51 in a side of view aperture 52, and LED lamp 51 ranks the both sides in minisize pick-up head 5 axial centre with view aperture 52.
Above-described embodiment is a kind of preferred version of the present invention, is not the present invention is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Make the content of detailed description in this description, belong to the those skilled in the art known prior art.
Claims (7)
1. visual hard intubating stylet of S shape; The hard tube core that comprises liquid crystal display, handle and hollow; One end of handle is connected with liquid crystal display; The other end of said handle is connected with an end of hard tube core, it is characterized in that: be provided with photographic head and luminous body in the other end of hard tube core, photographic head is connected with liquid crystal display respectively with luminous body; The hard tube core passes through and is followed successively by first linear section, camber line shape section, circular arc section, second linear section respectively; Camber line shape section is " S " shape together with the circular arc section, and the circular arc section is 2 ° to 20 ° near the terminal tangential direction of camber line shape section and the angle of handle axis direction, and the arc radius of circular arc section is 45mm to 70mm; The circular arc of circular arc section right central angle be 60 ° to 80 °, the angle of second linear section and handle axis direction is 50 ° to 70 °.
2. the visual hard intubating stylet of S shape according to claim 1 is characterized in that: the arc of said camber line shape section is a circular arc.
3. the visual hard intubating stylet of S shape according to claim 2 is characterized in that: said circular arc section is 10 ° near the terminal tangential direction of camber line shape section and the angle of handle axis direction.
4. the visual hard intubating stylet of S shape according to claim 1 is characterized in that: the arc radius of said circular arc section is 57 mm.
5. the visual hard intubating stylet of S shape according to claim 4 is characterized in that: the circular arc of said circular arc section right central angle be 70 °.
6. according to the visual hard intubating stylet of the described S shape of claim 1 to 5, it is characterized in that: said luminous body and photographic head are connected as a single entity, and the body of giving out light is positioned at a side of photographic head view aperture.
7. according to claim 1 or the visual hard intubating stylet of 2 or 3 or 4 described S shapes, it is characterized in that: the said hard tube core first linear type section outside is socketed with the endotracheal tube localizer.
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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| Publication Number | Publication Date |
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| CN102755686A true CN102755686A (en) | 2012-10-31 |
| CN102755686B CN102755686B (en) | 2015-07-08 |
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Cited By (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 |
| CN110496286A (en) * | 2019-08-21 | 2019-11-26 | 柯纬祺 | Trachea cannula light bar |
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| 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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2012
- 2012-08-09 CN CN201210282005.9A patent/CN102755686B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102307512A (en) * | 2009-02-09 | 2012-01-04 | 马里奥·佐卡 | Catheter for trachea-bronchial suction with visualization means |
| WO2011068741A1 (en) * | 2009-12-02 | 2011-06-09 | Mor Research Applications Ltd. | Sensing endotracheal tube location |
| 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 |
Cited By (5)
| 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 |
| CN110496286A (en) * | 2019-08-21 | 2019-11-26 | 柯纬祺 | Trachea cannula light bar |
| CN110496286B (en) * | 2019-08-21 | 2021-12-14 | 柯纬祺 | Optical rod for trachea cannula |
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| Publication number | Publication date |
|---|---|
| CN102755686B (en) | 2015-07-08 |
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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. |