CN103799955B - A kind of adjustment laryngoscope - Google Patents
A kind of adjustment laryngoscope Download PDFInfo
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- CN103799955B CN103799955B CN201410056146.8A CN201410056146A CN103799955B CN 103799955 B CN103799955 B CN 103799955B CN 201410056146 A CN201410056146 A CN 201410056146A CN 103799955 B CN103799955 B CN 103799955B
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Abstract
The present invention relates to a kind of adjustment laryngoscope, it is mainly applicable in the operation on larynx of human body.Handle main body of the present invention comprises body, index glass bar, screw rod, bevel gear two and back-up ring; Translational adjustment assembly comprises the handwheel one and hand wheel handle one and power transmission shaft, holder, bevel gear one and forward and backward pad that interfix; Rotate adjusting part and comprise adjustment screw rod and the handwheel two interfixed and hand wheel handle two; Being realized the translation of index glass sheet by the engagement of two bevel gears, realizing the angular adjustment of index glass sheet by rotating adjusting part.Structural design of the present invention is more reasonable, and in operation on larynx, can make the horizontal glass sheet in laryngoscope and the translation easily of index glass sheet, and index glass sheet can be made to carry out angular adjustment more easily, use reliable and secure, the resultant effect of operation is good.
Description
Technical field
The present invention relates to a kind of laryngoscope, particularly a kind of adjustment laryngoscope, it belongs to medical apparatus and instruments, is mainly applicable in the operation on larynx of human body.
Background technology
In prior art, at present for the medical apparatus and instruments mainly laryngoscope of human body operation on larynx.
Structure that Chinese utility model patent ZL201120422704 discloses " a kind of adjustable direct laryngoscope ", it mainly comprises handle, worm screw, adjusting screw(rod), worm gear seat, worm gear, flexible mirror sheath seat, fixed mirror sheath frame, fixed mirror sheath, flexible mirror sheath and connecting utricle, although it can carry out the angle adjustment of laryngoscope, but its structural design is still reasonable not, the horizontal adjustment of laryngoscope can not be carried out, narrow application range.
Chinese invention patent ZL2011102160618 discloses " a kind of Multifunctional adjustable self-retaining laryngoscope " structure, it mainly comprises handle, mirror sheath mobile device, mirror sheath micromatic setting, flexible mirror sheath and fixed mirror sheath, although this laryngoscope can carry out horizontal adjustment and angle adjustment in operation, operate simpler than laryngoscope before, but its structural design is still reasonable not, its major defect is: 1, during angle adjustment, handle also follows activity, and handle activity can affect location of operation and increase operating difficulty; 2, mirror sheath mobile device can not self-marketing, needs to increase locking mechanism to lock mirror sheath mobile device, complex structure and inconvenient operation.
Summary of the invention
Technical problem to be solved by this invention to overcome in prior art existing above-mentioned deficiency, and provide a kind of structural design more rationally, can horizontal adjustment can the adjustment laryngoscope of angle adjustment.
The present invention's adopted technical scheme that solves the problem is: this adjustment laryngoscope comprises handle main body, adjusting part, apparatus gatherer and lens device, body in handle main body is fixed by fixed support and horizontal glass sheet, adjusting part comprises translational adjustment assembly and rotates adjusting part, lens device comprises horizontal glass sheet and index glass sheet, and its construction features is:
Described handle main body also comprises index glass bar, screw rod, bevel gear two and back-up ring, described index glass bar to be fixed with screw rod by pin and is connected with index glass plate rack by bearing pin, bevel gear two is connected with screw rod and is fixed in body by back-up ring, and back-up ring is fixed by a pin in body; Its main efficacy results is: 1, simply rational in infrastructure, easy to operate; When 2, regulating, handle is stablized, safe and reliable in operation process.
Described translational adjustment assembly comprises the handwheel one and hand wheel handle one and power transmission shaft, holder, bevel gear one and forward and backward pad that interfix; Described handwheel one is fixed by pin with power transmission shaft, and power transmission shaft and bevel gear one are fixed by screw, and power is passed to bevel gear one from hand wheel handle one; Described front pad is between bevel gear one and holder, and rear pad is between handwheel one and holder, and described holder is fixed by screws in handle main body; Described handwheel one, holder, bevel gear one are arranged in the outer surface of power transmission shaft successively; Described bevel gear one engages with bevel gear two; Its main efficacy results is: 1, translational adjustment is convenient; 2, translational adjustment stablizes self-locking, can be positioned at any position.
Described rotation adjusting part comprises adjustment screw rod and the handwheel two interfixed and hand wheel handle two, and handwheel two is connected with adjustment screw rod by pin; Described adjustment screw rod is provided with screw flight, spacing bulb and positive stop lug boss, described positive stop lug boss is between screw flight and spacing bulb, and spacing bulb is positioned at handle main body.Its main efficacy results is: 1, angular adjustment is convenient; 2, any position can be positioned at; 3, prevent from index glass bar and handle main body from tightening to be integrally fixed, affect translational adjustment.
The present invention has elongated slot on the body of described handle main body, and the adjustment screw rod rotated in adjusting part is limited in this elongated slot.Its main efficacy results is: for adjusting the axial limiting of screw rod, prevents adjustment screw rod from coming off out from handle body.
Screw rod in handle main body of the present invention is made up of leading portion, stage casing and back segment, and the diameter of back segment is less than on the diameter in stage casing and screw rod and is provided with the right step of screw rod.Its main efficacy results is: for screw rod in handle main body inner position, be beneficial to installation and removal.
The present invention is provided with screw flight on the back segment of described screw rod, it is connected with bevel gear two and back-up ring, has pin hole and spacing bulb groove at leading portion and stage casing.Its main efficacy results is: 1, be beneficial to installation and removal; 2, for adjusting the axial limiting of screw rod.
Body in handle main body of the present invention is a hollow structure, its inwall is provided with an inner convex platform, and this inner convex platform is between bevel gear two and the stage casing of screw rod.It had both moved right to screw rod and had limited, and can coordinate again, be limited in easily in handle main body by bevel gear two with back-up ring.
Index glass plate rack of the present invention is connected with the screw flight rotating adjusting part, to realize more simply rotating adjusting part to the angular adjustment of index glass sheet.
Holder of the present invention is connected with an installation base, can more easily translational adjustment assembly be connected with handle main body thus.
Index glass plate rack of the present invention comprises transverse arm and vertical arm, transverse arm has rotation adjustment hole, vertical arm has pin shaft hole.Rotate adjusting part to install, and connect index glass bar.
The present invention compared with prior art, has the following advantages and effect: structural design is more reasonable, is realized the translation of index glass sheet by the engagement of two bevel gears, coordinates by index glass plate rack and rotation adjusting part the angular adjustment realizing index glass sheet.In operation on larynx, use convenient, reliable and safety, the resultant effect of operation is better.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the overall structure schematic diagram in Fig. 1 after translational adjustment component operation.
Fig. 3 is the overall structure schematic diagram after rotating adjusting part work in Fig. 1.
Fig. 4 is the structural representation front view after removing horizontal glass sheet in Fig. 1.
Fig. 5 is the structural representation top view of Fig. 4.
Fig. 6 is the structural representation enlarged drawing of translational adjustment assembly in Fig. 5.
Fig. 7 is the structural representation enlarged drawing rotating adjusting part in Fig. 4.
Fig. 8 is the structural representation of body in the present invention.
Fig. 9 is the structural representation of screw rod in the present invention.
Figure 10 is the structural representation of index glass plate rack in the present invention.
Figure 11 is the structural representation sectional view of B-B in Fig. 5.
Figure 12 is the structural representation sectional view of A-A in Fig. 1.
Figure 13 is the structural representation after removing fixed support, body and back-up ring in Figure 12.
Detailed description of the invention
See Fig. 1-Fig. 5, the present invention is primarily of handle main body 1, adjusting part, apparatus gatherer 4 and lens device composition, and adjusting part comprises translational adjustment assembly 2 and rotates adjusting part 3, and lens device comprises horizontal glass sheet 5 and index glass sheet 6; Wherein: handle main body 1 is fixed by fixed support 51 and horizontal glass sheet 5, translational adjustment assembly 2 is fixed by screw and handle main body 1, and the one end rotating adjusting part 3 is positioned at handle main body 1, and apparatus gatherer 4 is fixed with index glass sheet 6.The Main Function of apparatus gatherer 4 can penetrate endoscope, light guide bundles etc. and coordinate operation when being and using, it is same as the prior art.
See Fig. 7, Figure 11-Figure 13, handle main body 1 of the present invention comprises body 11, index glass bar 13, screw rod 14, bevel gear 2 15 and back-up ring 16, described index glass bar 13 is fixed by pin 18 with screw rod 14 and is connected with index glass plate rack 12 by bearing pin 17, bevel gear 2 15 is connected with screw rod 14 and is limited in handle body 1 by back-up ring 16, and back-up ring 16 is fixed by a pin in body 11.
In Figure 11: the effect of index glass plate rack 12 is: integrally welded with index glass sheet 6, index glass sheet rotates along with index glass plate rack 12, realizes the effect that index glass sheet 6 rotates; The effect of index glass bar 13 is: be fixed on screw rod 14, by bearing pin 17 by pin 18 and connect index glass plate rack 12.
Rotation adjusting part 3 of the present invention comprises adjustment screw rod 31 and the handwheel 2 33 interfixed and hand wheel handle 2 32, and handwheel 2 33 is connected with adjustment screw rod 31 by pin 34; This adjustment screw rod 31 is provided with screw flight 311, spacing bulb 312 and positive stop lug boss 313, this positive stop lug boss 313 is between screw flight 311 and spacing bulb 312, and spacing bulb 312 is positioned at handle main body 1.
In Fig. 7: handwheel 2 33 is used for fixing hand wheel handle 2 32, transmitting torque and power; Hand wheel handle 2 32 is evenly arranged on handwheel 2 33, in order to increase moment of torsion by four hand wheel handles; Adjustment screw rod 31 is used for adjusting the relative position with the index glass plate rack 12 of its threaded engagement; Adjustment screw rod 31 is limited in (see figure 8) in the elongated slot 111 of handle main body 1 by positive stop lug boss 313 and spacing bulb 312; Handwheel 2 33 and adjustment screw rod 31 are fixed by pin 34, thus are delivered to by the moment of torsion of handwheel 2 33 on adjustment screw rod 31.
In Figure 11, spacing bulb 312 one end is stuck in handle main body 1, makes it can not move up and down at vertical direction, but can rotate around its central shaft 314; Index glass plate rack 12 coordinates with screw flight 311, rotates hand wheel handle 32, the gap of adjustment index glass plate rack 12 and handle main body 1, thus index glass plate rack 12 is rotated around bearing pin 17, realizes the function (see figure 3) of index glass sheet 6 angle change.
See Fig. 6, Figure 11-Figure 13, translational adjustment assembly 2 of the present invention comprises the handwheel 1 and hand wheel handle 1 and power transmission shaft 23, holder 24, bevel gear 1 and front pad 26, rear pad 27 that interfix; Handwheel 1 and power transmission shaft 23 are fixed by pin, and power transmission shaft 23 and bevel gear 1 are fixed by screw, and power is passed to bevel gear 1 from hand wheel handle 1; Front pad 26 is between bevel gear 1 and holder 24, and rear pad 27 is between handwheel 1 and holder 24, and holder 24 is fixed by screws in handle main body 1; Handwheel 1, holder 24, bevel gear 1 are arranged in the outer surface of power transmission shaft 23 successively; This bevel gear 1 engages with the bevel gear 2 15 in handle main body 1.
In Fig. 6, bevel gear 1 is used for transmitting torque and power, and change the direction of moment of torsion and power, transmission efficiency is high, and transmit steadily, this bevel gear 1 is drivewheel; Front pad 26, in order to reduce the contact friction of bevel gear 1 and holder 24, plays smooth effect; Whole translational adjustment assembly 2 is fixed in handle main body 1 by four screws by holder 24, plays fixing and protective effect; The moment of torsion that handwheel 1 transmits, in order to transmitting torque and power, is passed to bevel gear 1 by dig-inning screw 28 by power transmission shaft 23; Rear pad 27, in order to reduce handwheel 1 and the contact friction of holder 24, plays smooth effect.
See Fig. 8, Fig. 7, the body 11 of handle main body 1 of the present invention has elongated slot 111, the adjustment screw rod 31 rotated in adjusting part 3 is limited in this elongated slot 111, and namely this elongated slot 111 is mainly used to the spacing bulb 312 blocking adjustment screw rod 31, and adjustment screw rod 31 is slided at the left and right directions of elongated slot 111.
See Fig. 9, Figure 11, the screw rod 14 in handle main body 1 of the present invention is made up of leading portion 141, stage casing 142 and back segment 143, and the diameter of back segment 143 is less than the diameter in stage casing 142.The back segment 143 of screw rod 14 is provided with body screw screw thread 144, it is connected with bevel gear 2 15 and back-up ring 16; Pin hole 145 and spacing bulb groove 146 is had at leading portion 141 and stage casing 142.
See Figure 10 and Figure 11, index glass plate rack 12 of the present invention comprises transverse arm 121 and vertical arm 122, transverse arm 121 has and rotates adjustment hole 123, vertical arm 122 has pin shaft hole 124.Install in rotation adjustment hole 123 and rotate adjusting part 3, in pin shaft hole 124, install bearing pin 17, this bearing pin 17 is in order to connect index glass bar 13.
See Figure 12, horizontal glass sheet 5 is welded on fixed support 51, then is fixed by screws in handle main body 1, and index glass sheet 6 is welded on index glass plate rack 12, then is threaded with bevel gear 2 15 by index glass bar 13 and screw rod 14, and bevel gear 2 15 is driven pulley.Body 11 in handle main body 1 is a hollow structure, its inwall is provided with an inner convex platform 112, and this inner convex platform 112 is between bevel gear 2 15 and the stage casing 142 of screw rod 14; Its effect of the left step 113 of inner convex platform 112 is the restriction moved right to screw rod 14, and the effect of right step 114 coordinates with back-up ring 16, is limited in handle main body 1 by bevel gear 2 15.
See Figure 13, it is the structure principle chart that index glass sheet 6 realizes translation.Bevel gear 1 and bevel gear 2 15 transmit power by gears meshing, bevel gear 2 15 and screw rod 14 are threaded connection transmission power, rotating hand wheel handle 1 makes power pass to bevel gear 2 15 from bevel gear 1, bevel gear 2 15 is threaded connection and makes screw rod 14 anterior-posterior translation in handle main body 1, thus realizes the function (see figure 2) of index glass sheet about 6 translation.The effect of the right step of screw rod 147 contacts with the left step 113 in handle main body 1, and moving right to screw rod 14 is restricted; Holder 24 is connected with an installation base 241, translational adjustment assembly 2 is fixed in handle main body 1 by screw by it.
The present invention can make with rustless steel.
All equivalences of doing according to structure, feature and the principle described in inventional idea of the present invention or simple change, be included in the protection domain of patent of the present invention.
Claims (8)
1. an adjustment laryngoscope, comprise handle main body, adjusting part, apparatus gatherer and lens device, body in handle main body is fixed by fixed support and horizontal glass sheet, adjusting part comprises translational adjustment assembly and rotates adjusting part, lens device comprises horizontal glass sheet and index glass sheet, it is characterized in that: described handle main body also comprises index glass bar, screw rod, bevel gear two and back-up ring, described index glass bar to be fixed with screw rod by pin and is connected with index glass plate rack by bearing pin, bevel gear two is connected with screw rod and is fixed in body by back-up ring, back-up ring is fixed by a pin in body, described translational adjustment assembly comprises the handwheel one and hand wheel handle one and power transmission shaft, holder, bevel gear one and forward and backward pad that interfix, described handwheel one is fixed by pin with power transmission shaft, and power transmission shaft and bevel gear one are fixed by screw, and power is passed to bevel gear one from hand wheel handle one, described front pad is between bevel gear one and holder, and rear pad is between handwheel one and holder, and described holder is fixed by screws in handle main body, described handwheel one, holder, bevel gear one are arranged in the outer surface of power transmission shaft successively, described bevel gear one engages with bevel gear two, described rotation adjusting part comprises adjustment screw rod and the handwheel two interfixed and hand wheel handle two, and handwheel two is connected with adjustment screw rod by pin, described adjustment screw rod is provided with screw flight, spacing bulb and positive stop lug boss, described positive stop lug boss is between screw flight and spacing bulb, and spacing bulb is positioned at handle main body.
2. adjustment laryngoscope according to claim 1, is characterized in that: on the body of described handle main body, have elongated slot, and the adjustment screw rod rotated in adjusting part is limited in this elongated slot.
3. adjustment laryngoscope according to claim 1, is characterized in that: the screw rod in described handle main body is made up of leading portion, stage casing and back segment, and the diameter of back segment is less than on the diameter in stage casing and screw rod and is provided with the right step of screw rod.
4. adjustment laryngoscope according to claim 3, is characterized in that: on the back segment of described screw rod, be provided with body screw screw thread, it be connected with bevel gear two and back-up ring, has pin hole and spacing bulb groove at leading portion and stage casing.
5. adjustment laryngoscope according to claim 1, is characterized in that: the body in described handle main body is a hollow structure, its inwall is provided with an inner convex platform, and this inner convex platform is between bevel gear two and the stage casing of screw rod.
6. adjustment laryngoscope according to claim 1, is characterized in that: described index glass plate rack is connected with the screw flight rotating adjusting part.
7. adjustment laryngoscope according to claim 1, is characterized in that: described holder is connected with an installation base.
8. adjustment laryngoscope according to claim 6, is characterized in that: described index glass plate rack comprises transverse arm and vertical arm, transverse arm has rotation adjustment hole, vertical arm has pin shaft hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056146.8A CN103799955B (en) | 2014-02-19 | 2014-02-19 | A kind of adjustment laryngoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056146.8A CN103799955B (en) | 2014-02-19 | 2014-02-19 | A kind of adjustment laryngoscope |
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| Publication Number | Publication Date |
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| CN103799955A CN103799955A (en) | 2014-05-21 |
| CN103799955B true CN103799955B (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410056146.8A Active CN103799955B (en) | 2014-02-19 | 2014-02-19 | A kind of adjustment laryngoscope |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104586346B (en) * | 2015-01-20 | 2016-06-29 | 山东省肿瘤医院 | Branchofiberoscope |
| CN107340596A (en) * | 2017-08-22 | 2017-11-10 | 衍视电子科技（上海）有限公司 | A kind of micromatic setting of achievable eyeglass rotation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB540806A (en) * | 1940-05-30 | 1941-10-30 | Louis Van Lier | Improvements in and relating to surgical specula |
| DE8609189U1 (en) * | 1986-02-24 | 1986-05-15 | Tsai, Joy Yih-Chiou, Tung Shih, Taichung | DUCKBILL SPECTRUM |
| US4597382A (en) * | 1984-03-16 | 1986-07-01 | Perez Jr Raul | Medical speculum and procedure |
| CN201691897U (en) * | 2010-06-13 | 2011-01-05 | 秦宗和 | Disposable laryngoscope |
| CN102273999A (en) * | 2011-07-30 | 2011-12-14 | 杭州市桐庐江南医光总厂 | Multifunctional adjustable self-retaining laryngoscope |
| CN203815428U (en) * | 2014-02-19 | 2014-09-10 | 浙江天松医疗器械股份有限公司 | Adjustable laryngoscope |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1392730B1 (en) * | 2009-01-12 | 2012-03-16 | Domenico De | PERFECTED LARYNGOSCOPE THAT INCLUDES A SERIES OF MAGNETIC ELEMENTS SUCH AS TO ALLOW A GUIDE DURING A ENDOTRACHEAL INTUBATION PROCEDURE OF A PATIENT |
-
2014
- 2014-02-19 CN CN201410056146.8A patent/CN103799955B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB540806A (en) * | 1940-05-30 | 1941-10-30 | Louis Van Lier | Improvements in and relating to surgical specula |
| US4597382A (en) * | 1984-03-16 | 1986-07-01 | Perez Jr Raul | Medical speculum and procedure |
| DE8609189U1 (en) * | 1986-02-24 | 1986-05-15 | Tsai, Joy Yih-Chiou, Tung Shih, Taichung | DUCKBILL SPECTRUM |
| CN201691897U (en) * | 2010-06-13 | 2011-01-05 | 秦宗和 | Disposable laryngoscope |
| CN102273999A (en) * | 2011-07-30 | 2011-12-14 | 杭州市桐庐江南医光总厂 | Multifunctional adjustable self-retaining laryngoscope |
| CN203815428U (en) * | 2014-02-19 | 2014-09-10 | 浙江天松医疗器械股份有限公司 | Adjustable laryngoscope |
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| CN103799955A (en) | 2014-05-21 |
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