CN103799955A - Adjusting laryngoscope - Google Patents

Adjusting laryngoscope Download PDF

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Publication number
CN103799955A
CN103799955A CN201410056146.8A CN201410056146A CN103799955A CN 103799955 A CN103799955 A CN 103799955A CN 201410056146 A CN201410056146 A CN 201410056146A CN 103799955 A CN103799955 A CN 103799955A
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China
Prior art keywords
bevel gear
screw rod
adjusting
main body
fixed
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CN201410056146.8A
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CN103799955B (en
Inventor
舒明泉
徐斌顶
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ZHEJIANG TIANSONG MEDICAL INSTRUMENT CO Ltd
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ZHEJIANG TIANSONG MEDICAL INSTRUMENT CO Ltd
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Publication of CN103799955A publication Critical patent/CN103799955A/en
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Abstract

The invention relates to an adjusting laryngoscope which is mainly applied to laryngeal surgery of the human body. A handle body of the adjusting laryngoscope comprises a body, a movable lens base, a threaded rod, a second bevel gear and a check ring; a translation adjusting assembly comprises a first hand wheel and a first hand wheel handle which are fixed mutually, a transmission shaft, a fixed base, a first bevel gear, a front gasket and a rear gasket; a rotation adjusting assembly comprises an adjusting threaded rod, a second hand wheel and a second hand wheel handle, and the second hand wheel and the second hand wheel handle are fixed mutually. Translation of a movable lens is achieved through meshing between the two bevel gears, and the angle of the movable lens is adjusted through the rotation adjusting assembly. The adjusting laryngoscope is more reasonable in structure, in laryngeal surgery, a fixed lens and the movable lens in the laryngoscope can perform translation conveniently, moreover, the angle of the movable lens can be adjusted more conveniently, and the adjusting laryngoscope is reliable and safe in use and good in comprehensive effect.

Description

A kind of laryngoscope that regulates
Technical field
The present invention relates to a kind of laryngoscope, particularly a kind of laryngoscope that regulates, it belongs to medical apparatus and instruments, is mainly applicable in the operation on larynx of human body.
Background technology
In prior art, be mainly laryngoscope for the medical apparatus and instruments of human body operation on larynx at present.
Chinese utility model patent ZL201120422704 discloses " a kind of adjustable direct laryngoscope " structure, 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 fine setting of laryngoscope, but its structural design is still reasonable not, can not carry out the horizontal adjustment of laryngoscope, 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 fine setting in operation, operation is simpler than previous laryngoscope, but its structural design is still reasonable not, its major defect is: when 1, angle is finely tuned, handle is also followed activity, and handle is movable can be affected location of operation and increase operating difficulty; 2, mirror sheath mobile device can not self-marketing, need to increase locking mechanism, complex structure and inconvenient operation in order to lock mirror sheath mobile device.
Summary of the invention
Technical problem to be solved by this invention is to overcome existing above-mentioned deficiency in prior art, and provide a kind of structural design more rationally, can horizontal adjustment can angle fine setting adjusting laryngoscope.
The present invention addresses the above problem adopted technical scheme: this adjusting 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 rotation 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 is 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 effect is: 1, rational in infrastructure simple, easy to operate; 2, while adjusting, handle is stable, 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 the 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 is arranged in the outer surface of power transmission shaft successively; Described bevel gear one engages with bevel gear two; Its main effect is: 1, translational adjustment is convenient; 2, translational adjustment is stablized self-locking, can be positioned at any position.
Described rotation adjusting part comprises handwheel two and the hand wheel handle two adjusting screw rod and interfix, and handwheel two is connected with adjustment screw rod by pin; On described adjustment screw rod, be 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 effect is: 1, angular adjustment is convenient; 2, can be positioned at any position; 3, preventing that index glass bar and handle main body from tightening is fixed into one, affects translational adjustment.
The present invention has elongated slot on the body of described handle main body, and the adjustment screw rod in rotation adjusting part is limited in this elongated slot.Its main effect is: for adjusting the axial limiting of screw rod, prevent from adjusting screw rod and come 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 that the diameter of back segment is less than stage casing is on screw rod, to be provided with the right step of screw rod.Its main effect is: locate in handle main body for screw rod, be beneficial to installation and removal.
The present invention is provided with screw flight on the back segment of described screw rod, is connected with bevel gear two and back-up ring on it, has pin hole and spacing bulb groove at leading portion and stage casing.Its main effect 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, is provided with an inner convex platform on its inwall, and this inner convex platform is between bevel gear two and the stage casing of screw rod.It both moved right and limited screw rod, can coordinate with back-up ring again, and bevel gear two is limited in handle main body easily.
Index glass plate rack of the present invention is connected with the screw flight of rotation adjusting part, to realize more simply the angular adjustment of rotation adjusting part to index glass sheet.
On holder of the present invention, be 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 perpendicular arm, has rotation adjustment hole on transverse arm, on perpendicular arm, has pin shaft hole.To rotation adjusting part is installed, and is connected index glass bar.
The present invention compared with prior art, has the following advantages and effect: structural design is more reasonable, realizes the translation of index glass sheet by the engagement of two bevel gears, the angular adjustment that realizes index glass sheet that coordinates by index glass plate rack with rotation adjusting part.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 after the work of translational adjustment assembly in Fig. 1.
Fig. 3 is the overall structure schematic diagram rotating in Fig. 1 after adjusting part work.
Fig. 4 is the structural representation front view removing in Fig. 1 after horizontal glass sheet.
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 that rotates 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 cutaway view of B-B in Fig. 5.
Figure 12 is the structural representation cutaway view of A-A in Fig. 1.
Figure 13 removes the structural representation after fixed support, body and back-up ring in Figure 12.
The specific embodiment
Referring to Fig. 1-Fig. 5, the present invention is mainly made up of handle main body 1, adjusting part, apparatus gatherer 4 and lens device, and adjusting part comprises translational adjustment assembly 2 and rotation adjusting part 3, and lens device comprises horizontal glass sheet 5 and index glass sheet 6; Wherein: handle main body 1 is fixing with horizontal glass sheet 5 by fixed support 51, translational adjustment assembly 2 is fixing by screw and handle main body 1, and one end of rotation adjusting part 3 is positioned at handle main body 1, and apparatus gatherer 4 is fixing with index glass sheet 6.The Main Function of apparatus gatherer 4 can penetrate endoscope, light guide bundles etc. and coordinate operation while being use, it is same as the prior art.
Referring to 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 and is connected with index glass plate rack 12 by bearing pin 17 with screw rod 14 by pin 18, 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, along with index glass plate rack 12 rotates, is realized the effect that index glass sheet 6 rotates; The effect of index glass bar 13 is: be fixed on screw rod 14, connected index glass plate rack 12 by bearing pin 17 by pin 18.
Rotation adjusting part 3 of the present invention comprises handwheel 2 33 and the hand wheel handle 2 32 adjusting screw rod 31 and interfix, and handwheel 2 33 is connected with adjustment screw rod 31 by pin 34; On this adjustment screw rod 31, be 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 by four hand wheel handles, in order to increase moment of torsion; Adjusting screw rod 31 is used for adjusting and the relative position of the index glass plate rack 12 of its threaded engagement; Positive stop lug boss 313 and spacing bulb 312 are limited in adjustment screw rod 31 the interior (see figure 8) of elongated slot 111 of handle main body 1; Pin 34 is fixed handwheel 2 33 with adjusting screw rod 31, thereby the moment of torsion of handwheel 2 33 is delivered to and is adjusted on screw rod 31.
In Figure 11, spacing bulb 312 one end are stuck in handle main body 1, and it can not be moved 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, adjusts the gap of index glass plate rack 12 and handle main body 1, thereby index glass plate rack 12 is rotated around bearing pin 17, realizes the function (see figure 3) that index glass sheet 6 angles change.
Referring to Fig. 6, Figure 11-Figure 13, translational adjustment assembly 2 of the present invention comprises the handwheel 1 that interfixes and hand wheel handle 1 and power transmission shaft 23, holder 24, bevel gear 1 and front pad 26, rear pad 27; Handwheel 1 is fixed by pin with power transmission shaft 23, and power transmission shaft 23 is fixed by screw with bevel gear 1, 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, changes the direction of moment of torsion and power, and transmission efficiency is high, transmits steadily, and 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; Holder 24 is fixed on whole translational adjustment assembly 2 in handle main body 1 by four screws, plays fixing and protective effect; Power transmission shaft 23 is in order to transmitting torque and power, and the moment of torsion that handwheel 1 is transmitted passes to bevel gear 1 by dig-inning screw 28; Rear pad 27, in order to reduce the contact friction of handwheel 1 and holder 24, plays smooth effect.
Referring to Fig. 8, Fig. 7, on the body 11 of handle main body 1 of the present invention, have elongated slot 111, adjustment screw rod 31 in rotation adjusting part 3 is limited in this elongated slot 111, and this elongated slot 111 is mainly used to block the spacing bulb 312 of adjusting screw rod 31, makes to adjust screw rod 31 and slides at the left and right directions of elongated slot 111.
Referring to 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.On the back segment 143 of screw rod 14, be provided with body screw screw thread 144, on it, be connected with bevel gear 2 15 and back-up ring 16; Have pin hole 145 and spacing bulb groove 146 at leading portion 141 and stage casing 142.
Referring to Figure 10 and Figure 11, index glass plate rack 12 of the present invention comprises transverse arm 121 and perpendicular arm 122, has rotation adjustment hole 123 on transverse arm 121, on perpendicular arm 122, has pin shaft hole 124.Rotation adjusting part 3 is installed in rotation adjustment hole 123, bearing pin 17 is installed in pin shaft hole 124, this bearing pin 17 is in order to connect index glass bar 13.
Referring to 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, is provided with an inner convex platform 112 on its inwall, and this inner convex platform 112 is between bevel gear 2 15 and the stage casing 142 of screw rod 14; Left step 113 its effects of inner convex platform 112 are restrictions that screw rod 14 is moved right, and the effect of right step 114 is to coordinate with back-up ring 16, and bevel gear 2 15 is limited in handle main body 1.
Referring to Figure 13, it is the structure principle chart that index glass sheet 6 is realized translation.Bevel gear 1 engages transferring power with bevel gear 2 15 by gear, bevel gear 2 15 is threaded connection transferring power with screw rod 14, 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 in handle main body 1 interior front and back translation, thereby realizes the function (see figure 2) of index glass sheet 6 left and right translations.The effect of the right step 147 of screw rod is to contact with the left step 113 in handle main body 1, and screw rod 14 is moved right and is restricted; On holder 24, be connected with an installation base 241, it is fixed on translational adjustment assembly 2 in handle main body 1 by screw.
The present invention can make with rustless steel.
All equivalence or simple change of doing according to described structure, feature and the principle of patent design of the present invention, are included in the protection domain of patent of the present invention.

Claims (8)

1. an adjusting 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 rotation 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 is 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 the 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 is arranged in the outer surface of power transmission shaft successively, described bevel gear one engages with bevel gear two, described rotation adjusting part comprises handwheel two and the hand wheel handle two adjusting screw rod and interfix, and handwheel two is connected with adjustment screw rod by pin, on described adjustment screw rod, be 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. adjusting laryngoscope according to claim 1, is characterized in that: on the body of described handle main body, have elongated slot, the adjustment screw rod in rotation adjusting part is limited in this elongated slot.
3. adjusting 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 that the diameter of back segment is less than stage casing is on screw rod, to be provided with the right step of screw rod.
4. adjusting laryngoscope according to claim 3, is characterized in that: on the back segment of described screw rod, be provided with body screw screw thread, be connected with bevel gear two and back-up ring on it, have pin hole and spacing bulb groove at leading portion and stage casing.
5. adjusting laryngoscope according to claim 1, is characterized in that: the body in described handle main body is a hollow structure, is provided with an inner convex platform on its inwall, and this inner convex platform is between bevel gear two and the stage casing of screw rod.
6. adjusting laryngoscope according to claim 1, is characterized in that: described index glass plate rack is connected with the screw flight of rotation adjusting part.
7. adjusting laryngoscope according to claim 1, is characterized in that: on described holder, be connected with an installation base.
8. adjusting laryngoscope according to claim 6, is characterized in that: described index glass plate rack comprises transverse arm and perpendicular arm, has rotation adjustment hole on transverse arm, on perpendicular arm, has pin shaft hole.
CN201410056146.8A 2014-02-19 2014-02-19 A kind of adjustment laryngoscope Active CN103799955B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104586346A (en) * 2015-01-20 2015-05-06 张传峰 Fiber bronchoscope
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 (7)

* Cited by examiner, † Cited by third party
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
WO2010079521A1 (en) * 2009-01-12 2010-07-15 Andrea De Domenico Improved laryngoscope, comprising a set of magnetic elements.
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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
WO2010079521A1 (en) * 2009-01-12 2010-07-15 Andrea De Domenico Improved laryngoscope, comprising a set of magnetic elements.
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104586346A (en) * 2015-01-20 2015-05-06 张传峰 Fiber bronchoscope
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

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