CN102764472B - Hard tube laryngoscope suitable for a plurality of specifications of tracheal cannulas - Google Patents
Hard tube laryngoscope suitable for a plurality of specifications of tracheal cannulas Download PDFInfo
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- CN102764472B CN102764472B CN201210286227.8A CN201210286227A CN102764472B CN 102764472 B CN102764472 B CN 102764472B CN 201210286227 A CN201210286227 A CN 201210286227A CN 102764472 B CN102764472 B CN 102764472B
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- laryngoscope
- stereoplasm tube
- hard tube
- tracheal intubation
- handle
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- 241001631457 Cannula Species 0.000 title abstract 4
- 238000002627 tracheal intubation Methods 0.000 claims abstract description 62
- 239000011148 porous material Substances 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 9
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 206010002091 Anaesthesia Diseases 0.000 description 3
- 230000037005 anaesthesia Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 208000037273 Pathologic Processes Diseases 0.000 description 2
- 238000001949 anaesthesia Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009054 pathological process Effects 0.000 description 2
- 210000002345 respiratory system Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004704 glottis Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
Abstract
The invention discloses a hard tube laryngoscope suitable for a plurality of specifications of tracheal cannulas. The laryngoscope comprises a handle and a hollow hard tube, one end of the handle is connected with one end of the hard tube, a positioning body sleeved on the periphery of the hard tube is in a round table shape and has a taper angle of 1-3 degrees, and the big end of the positioning body is close to the handle. The hard tube laryngoscope has the advantages that a plurality of specifications of tracheal cannulas can be matched simultaneously, and a distance between the external end face of the hard tube and the external end face of the patient end of a tracheal cannula can be effectively guaranteed to be about 10mm, wherein the hard tube provided with a camera and an LED lamp; the laryngoscope is convenient for a doctor to operate, tracheal intubation can be finished quickly, specifications and kinds of the hard tube laryngoscopes matching with the tracheal cannulas are reduced, the cost for using the hard tube laryngoscope is reduced for a hospital, and popularization and application of the hard tube laryngoscope are facilitated.
Description
Technical field
The invention belongs to technical field of medical instruments, particularly relate to and a kind ofly can be applicable to multiple tracheal intubation simultaneously and obtain the visible hard pipe laryngoscope of good location.
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.
For head it off, stereoplasm tube laryngoscope arises at the historic moment, by photographic head, LED is arranged on the outer face of stereoplasm tube, tracheal intubation is socketed on the outer circumferential side of stereoplasm tube with gap, carry out moulding by stereoplasm tube to the tracheal intubation of flexibility, tracheal intubation and human upper airway are adapted, the photographic head of stereoplasm tube outer face and LED play guiding function by display display glottogram picture to tracheal intubation direction of insertion, in order to ensure that the shooting light path of photographic head can not be blocked, the outer face of stereoplasm tube should be positioned at tracheal intubation, and with Patients Underwent Endotracheal Intubation end outer face distance at about 10mm.Because stereoplasm tube is placed in tracheal intubation, like this, insert patient upper respiratory tract be equivalent to only have tracheal intubation, its cross-sectional area is about 30% of general laryngoscope, makes laryngeal pathological process more severe case or the narrow and small patient of bottleneck throat or child can exempt the misery using large laryngoscope.But because tracheal intubation specification is more, according to " the People's Republic of China (PRC) pharmaceuticals industry standard YY0337.1-2002 " regulation to tracheal intubation, tracheal intubation is because of its internal diameter and different from the length that internal diameter matches, have 19 kinds of specifications, making the length between tracheal intubation with stereoplasm tube mate like this becomes more scabrous problem.If tracheal intubation outer face exceeds stereoplasm tube outer face more than 15mm, the patient end end of tracheal intubation will lose moulding to it of stereoplasm tube, be unfavorable for the smooth insertion of tracheal intubation, and the shooting light of photographic head even may be blocked in the patient end end of the tracheal intubation of flexibility, doctor is made to be difficult to determine the direction of insertion of tracheal intubation; If the distance between tracheal intubation outer face and stereoplasm tube outer face is less than 6mm, the Mo Feikong of tracheal intubation will be blocked, make Mo Feikong lose due effect; If the outside of Patients Underwent Endotracheal Intubation end end is revealed in the leading section of stereoplasm tube, stereoplasm tube will contact with the bottleneck throat of patient, stereoplasm tube is metal, may damage patient's upper respiratory tract, and the bottleneck throat of patient is attached to the outer face of stereoplasm tube, photographic head can be made equally to lose due effect; If be equipped with a kind of stereoplasm tube laryngoscope specially for often kind of specification tracheal intubation, the promotion and application of expensive stereoplasm tube laryngoscope will be had a greatly reduced quality.For this reason, anaesthetize boundary doctor and require that the cry overcoming this problem is more and more higher.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides one can mate plurality of specifications tracheal intubation simultaneously, and can effective guarantee be provided with photographic head, LED outer face to the Patients Underwent Endotracheal Intubation end outer face distance of stereoplasm tube at the stereoplasm tube laryngoscope being applicable to many specifications tracheal intubation of about 10mm.
The present invention solves the in-problem technical scheme of prior art: a kind of stereoplasm tube laryngoscope being applicable to many specifications tracheal intubation, comprise the stereoplasm tube of handle and hollow, one end of handle and one end of stereoplasm tube are connected, described stereoplasm tube outer peripheral face is socketed with positioning body, positioning body is round table-like, the cone angle of positioning body is 1 ° to 3 °, and the large end of positioning body is near handle.Can know from " People's Republic of China (PRC) pharmaceuticals industry standard YY0337.1-2002 " the regulation of tracheal intubation, the internal diameter difference of the adjacent two kinds of specifications of tracheal intubation that Hospitals at Present is commonly used is 0.5mm, linearly changes within the scope of certain specification between its internal diameter and length.In order to ensure to be provided with photographic head, outer face to the Patients Underwent Endotracheal Intubation end outer face distance of the stereoplasm tube of LED is at about 10mm, stereoplasm tube is at the truncated cone-shaped positioning body near the position of handle socket cone angle being 1 ° to 3 °, such tracheal intubation footpath and length linearly in the section of change within it, the tracheal intubation that internal diameter is larger is socketed in positioning body position the closer to hands handle, the tracheal intubation that internal diameter is less is socketed in the small end of positioning body position the closer to positioning body, the outer face of stereoplasm tube to Patients Underwent Endotracheal Intubation end outer face distance is made to remain at about 10mm, make stereoplasm tube laryngoscope thus realize to match with many specifications tracheal intubation.
As preferably, the large end of described positioning body is outward extended with connecting portion, and connecting portion and handle are connected, and are provided with fastener hole in positioning body, fastener hole and stereoplasm tube close-fitting.Because tracheal intubation internal diameter span is between 2mm to 11mm, the stereoplasm tube external diameter matched with tracheal intubation also needs multiple, and positioning body is made up of rubber, manufacturing cost is lower, using positioning body as the connector between laryngoscope body and stereoplasm tube, multiple positioning body can make the stereoplasm tube of expensive laryngoscope body and all specifications match.
As preferably, described connecting portion is connected with handle threads.Switching between such plurality of specifications stereoplasm tube is more convenient, quick.
As preferably, described connecting portion axial centre is provided with intercommunicating pore, and intercommunicating pore is communicated with fastener hole, and the diameter of intercommunicating pore is less than the diameter of fastener hole.Conveniently the wire of photographic head, LED is connected with display, and be provided with intercommunicating pore in connecting portion axial centre, intercommunicating pore is communicated with fastener hole; Length in order to ensure the stereoplasm tube be positioned at outside positioning body is accurate, reliable, and the diameter of intercommunicating pore is less than the diameter of fastener hole, can obtain reliably spacing when positioning body, stereoplasm tube are assembled.
The invention has the beneficial effects as follows:
1, the positioning body being socketed in stereoplasm tube outer circumferential side due to the present invention is round table-like, and the tracheal intubation that its cone angle and plurality of specifications internal diameter and length linearly change matches, make tracheal intubation conventional in hospital fixedly sleeved on this localizer, outer face to the Patients Underwent Endotracheal Intubation end outer face distance of its stereoplasm tube remains at about 10mm, doctor is facilitated to operate, fast complete tracheal intubation work, reduce the specification kind of the stereoplasm tube laryngoscope matched with tracheal intubation;
2, owing to being connected by positioning body between laryngoscope body with stereoplasm tube, laryngoscope body can be matched with the stereoplasm tube of plurality of specifications, so expensive laryngoscope body just can use with whole tracheal intubatioies coupling, reduce the cost that hospital uses stereoplasm tube laryngoscope, be conducive to the promotion and application of stereoplasm tube laryngoscope.
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 M portion enlarged diagram in Fig. 1;
Fig. 4 is that A in Fig. 3 is to schematic diagram.
In figure: 1: liquid crystal display; 2: hands handle; 3: stereoplasm tube; 4: positioning body; 41: connecting portion; 42: intercommunicating pore; 43: fastener hole; 5: minisize pick-up head; 51: wire; 52:LED lamp, 53: 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 stereoplasm tube laryngoscope being applicable to many specifications tracheal intubation, as Fig. 1, shown in Fig. 2, comprise liquid crystal display 1, the handle 2 of hollow and the stereoplasm tube 3 of hollow, one end outer peripheral face of stereoplasm tube 3 is socketed with positioning body 4, positioning body 4 is in round table-like, the large end of positioning body 4 is near the end of stereoplasm tube 3 one end, the axial centre of positioning body 4 is provided with fastener hole 43, fastener hole 43 and stereoplasm tube 3 close-fitting, positioning body 4 greatly end extends outward connecting portion 41, connecting portion 41 is connected with the threaded one end of handle 2, the axial centre of connecting portion 41 is provided with intercommunicating pore 42, intercommunicating pore 42 is communicated with fastener hole 43, the diameter of intercommunicating pore 42 is less than the diameter of fastener hole 43, the other end of handle 2 is connected with liquid crystal display 1.
As shown in Figure 3, Figure 4, be provided with installation cavity in the other end of stereoplasm tube 3, minisize pick-up head 5 close-fitting is arranged in this installation cavity, and the outer face of minisize pick-up head 5 flushes with the outer face of stereoplasm tube 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 53 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 52 in the side of view aperture 53, and LED 52 and view aperture 53 rank in the both sides of minisize pick-up head 5 axial centre.
As shown in Figure 2 and Figure 3, minisize pick-up head 5 is connected with liquid crystal display 1 by wire 51 with the LED 52 be arranged on minisize pick-up head 5.
Can know from " People's Republic of China (PRC) pharmaceuticals industry standard YY0337.1-2002 " the regulation of tracheal intubation, tracheal intubation is divided into 19 kinds of specifications according to internal diameter from 2mm to 11mm, and the difference in internal diameters distance between adjacent two kinds of specifications is 0.5mm; Internal diameter 2.5mm to 5.5mm, length difference distance between the adjacent two kinds of specifications of tracheal intubation of 7mm to 9.5mm is 10mm, length difference between the adjacent two kinds of specifications of tracheal intubation of internal diameter 5.5mm to 7mm is apart from being 20mm, and the length between the adjacent two kinds of specifications of tracheal intubation of internal diameter 2mm to 2.5mm, 9.5mm to 11mm remains unchanged.The internal diameter of the tracheal intubation that Hospitals at Present is commonly used is between 4mm to 9mm, can know that the length difference of the adjacent two kinds of specifications of the tracheal intubation of internal diameter 4mm to 9mm is respectively 10mm and 20mm two kinds from above-mentioned data, the cone angle being scaled positioning body 4 is respectively 1.43 ° and 2.86 °, by the tracheal intubation that the positioning body 4 of the cone angle 1.43 ° length difference distance of mating between adjacent two kinds of specifications is 20mm, by the tracheal intubation that the positioning body 4 of the cone angle 2.86 ° length difference distance of mating between adjacent two kinds of specifications is 10mm, the outer face of stereoplasm tube 3 to Patients Underwent Endotracheal Intubation end outer face distance is made to remain at about 10mm like this.
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 (5)
1. one kind is applicable to the stereoplasm tube laryngoscope of many specifications tracheal intubation, comprise the stereoplasm tube of handle and hollow, one end of handle and one end of stereoplasm tube are connected, it is characterized in that: described stereoplasm tube outer peripheral face is socketed with positioning body, positioning body is round table-like, the cone angle of positioning body is 1 ° to 3 °, and the large end of positioning body is near handle.
2. the stereoplasm tube laryngoscope being applicable to many specifications tracheal intubation according to claim 1, is characterized in that: the large end of described positioning body is outward extended with connecting portion, and connecting portion and handle are connected, and are provided with fastener hole in positioning body, fastener hole and stereoplasm tube close-fitting.
3. the stereoplasm tube laryngoscope being applicable to many specifications tracheal intubation according to claim 2, is characterized in that: described connecting portion is connected with handle threads.
4. the stereoplasm tube laryngoscope being applicable to many specifications tracheal intubation according to claim 2, it is characterized in that: described connecting portion axial centre is provided with intercommunicating pore, and intercommunicating pore is communicated with fastener hole, the diameter of intercommunicating pore is less than the diameter of fastener hole.
5. the stereoplasm tube laryngoscope being applicable to many specifications tracheal intubation according to claim 3, it is characterized in that: described connecting portion axial centre is provided with intercommunicating pore, and intercommunicating pore is communicated with fastener hole, the diameter of intercommunicating pore is less than the diameter of fastener hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210286227.8A CN102764472B (en) | 2012-08-13 | 2012-08-13 | Hard tube laryngoscope suitable for a plurality of specifications of tracheal cannulas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210286227.8A CN102764472B (en) | 2012-08-13 | 2012-08-13 | Hard tube laryngoscope suitable for a plurality of specifications of tracheal cannulas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102764472A CN102764472A (en) | 2012-11-07 |
| CN102764472B true CN102764472B (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210286227.8A Active CN102764472B (en) | 2012-08-13 | 2012-08-13 | Hard tube laryngoscope suitable for a plurality of specifications of tracheal cannulas |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107569756A (en) * | 2017-09-06 | 2018-01-12 | 修士宽 | A kind of multifunctional endotracheal intubation |
| CN109893076B (en) * | 2019-04-02 | 2022-04-15 | 长江大学 | Laryngoscope blade auxiliary kit and video laryngoscope system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201328799Y (en) * | 2009-01-05 | 2009-10-21 | 丁理 | Electronic video anaesthesia laryngoscope for difficult intubation |
| CN101972134A (en) * | 2010-11-12 | 2011-02-16 | 上海飞锐光电科技有限公司 | Disposable-intubation bougie-containing video laryngoscope |
| CN201798990U (en) * | 2010-09-27 | 2011-04-20 | 上海景仁医疗科技有限公司 | Optical rod for tracheal cannula |
| 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 |
| CN202699815U (en) * | 2012-08-13 | 2013-01-30 | 台州瀚创医疗器械科技有限公司 | Hard tube laryngoscope suitable for trachea cannulas of multiple specifications |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060225741A1 (en) * | 2005-03-18 | 2006-10-12 | Glenn Rothman | Method and apparatus for aiding in the proper insertion and positioning of an endotracheal tube |
| US8499763B2 (en) * | 2009-07-31 | 2013-08-06 | Covidien Lp | Connector for coupling a tracheal tube to an auxiliary device |
-
2012
- 2012-08-13 CN CN201210286227.8A patent/CN102764472B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201328799Y (en) * | 2009-01-05 | 2009-10-21 | 丁理 | Electronic video anaesthesia laryngoscope for difficult intubation |
| CN201798990U (en) * | 2010-09-27 | 2011-04-20 | 上海景仁医疗科技有限公司 | Optical rod for tracheal cannula |
| CN101972134A (en) * | 2010-11-12 | 2011-02-16 | 上海飞锐光电科技有限公司 | Disposable-intubation bougie-containing video laryngoscope |
| 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 |
| CN202699815U (en) * | 2012-08-13 | 2013-01-30 | 台州瀚创医疗器械科技有限公司 | Hard tube laryngoscope suitable for trachea cannulas of multiple specifications |
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| CN102764472A (en) | 2012-11-07 |
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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: 20181228 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. |