CN203815424U - Double-acting adjustment laryngoscope - Google Patents
Double-acting adjustment laryngoscope Download PDFInfo
- Publication number
- CN203815424U CN203815424U CN201420071617.8U CN201420071617U CN203815424U CN 203815424 U CN203815424 U CN 203815424U CN 201420071617 U CN201420071617 U CN 201420071617U CN 203815424 U CN203815424 U CN 203815424U
- Authority
- CN
- China
- Prior art keywords
- bevel gear
- main body
- index glass
- glass sheet
- screw rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Endoscopes (AREA)
Abstract
The utility model relates to a double-acting adjustment laryngoscope which is mainly applied to a throat operation of a human body. A handle main body of the double-acting adjustment laryngoscope comprises a main body I, a main body II, a movable lens II seat, an outer screw rod, an inner screw rod, a bevel gear II, a bevel gear III and a check ring; a lens device comprises a movable lens I and a movable lens II; the handle main body is connected with the movable lens I through a fixed bracket; the movable lens II is connected with a rotary adjustment component through a movable lens II bracket; a translation adjustment component comprises a handwheel I and a handwheel shank I which are fixed, and a transmission shaft, a fixed seat, a bevel gear I, a front pad and a rear pad; the rotary adjustment component comprises an adjustment screw and a handwheel II and a handwheel shank II which are fixed; translation of the two movable lenses is realized by two-by-two meshing of the three bevel gears; due to the matching of the movable lens II bracket and the rotary adjustment component, angle adjustment of the movable lens II is realized. The double-acting adjustment laryngoscope is more reasonable in structural design, more convenient to use, reliable and safe; a comprehensive effect of the operation is good.
Description
Technical field
This utility model relates to a kind of laryngoscope, particularly a kind of two moving laryngoscope that regulates, and 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 in the utility model 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 the two moving laryngoscopes that regulate.
The technical scheme in the invention for solving the above technical problem is: this pair of moving laryngoscope that regulates comprises handle main body, adjusting part, apparatus gatherer and lens device.Adjusting part comprises translational adjustment assembly and rotation adjusting part, it is characterized in that:
Described lens device comprises index glass sheet one and index glass sheet two, and handle main body is connected with index glass sheet one by fixed support, and index glass sheet two is connected with two of index glass sheets and rotation adjusting part respectively by index glass sheet two supports;
Described handle main body comprises main body one, main body two, two of index glass sheets, external screw rod, inner screw, bevel gear two, bevel gear three and back-up ring, described main body one is threaded with main body two, and two of index glass sheets are fixed with external screw rod by pin and are connected with index glass sheet two supports by bearing pin; Inner screw is socketed and is connected with described fixed support with external screw rod, and is threaded with bevel gear three; Bevel gear two be connected with external screw rod and by retainer ring spacing in main body two, shield ring sleeve is contained in main body two; Make structural design more rationally simple, installation and removal are convenient.Translational adjustment is stablized self-locking, can be positioned at any position; Left and right two directions regulate simultaneously, and expansion is steady, balance, has improved the processing safety 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 and bevel gear three respectively, and the direction of rotation of bevel gear two and bevel gear three is contrary, makes external screw rod and inner screw produce the motion of two different directions simultaneously; Make translational adjustment convenient, and translational adjustment stablizes self-locking, can be positioned at any position; Left and right two directions regulate simultaneously, and expansion is steady, balance, has improved the safety in operation process.
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: angular adjustment is convenient; Can be positioned at any position; Can prevent that index glass bar and handle main body from tightening is fixed into one, affects translational adjustment.
Fixed support described in the utility model and index glass sheet one weld, and this fixed support is also fixed by two support bracket bolts and inner screw.Make installation and removal convenient, simple in structure, install firmly.
Main body two described in the utility model is a hollow structure, has rotary handle elongated slot and bolt elongated slot on it, and the adjustment screw rod in rotation adjusting part is limited in rotary handle elongated slot, and support bracket bolt is limited in bolt elongated slot.For adjusting the axial limiting of screw rod, prevent from adjusting screw rod and come off out from handle body.
External screw rod described in the utility model is made up of leading portion, stage casing and back segment, the diameter of back segment is less than the diameter in stage casing and is provided with external screw thread at back segment, on it, be connected with bevel gear two, have pin hole at leading portion, have elongated slot, keyway and spacing bulb groove in stage casing.Locate in handle main body for screw rod, be beneficial to installation and removal.
The body of rod diameter of inner screw described in the utility model is less than bar head diameter, has two circular holes on the body of rod, and they coordinate with described support bracket bolt, on bar head, are provided with external screw thread, are connected with bevel gear three on it.Make installation and removal convenient, simple in structure, install firmly.
On the inwall of main body two described in the utility model, be provided with an inner convex platform, this inner convex platform is between bevel gear two and the stage casing of external screw rod.It both moved right and limited external screw rod, can coordinate with back-up ring again, and bevel gear two is limited in main body two easily.
Index glass sheet two supports described in the utility model are connected with the screw flight of rotation adjusting part, to realize more simply the angular adjustment of rotation adjusting part to index glass sheet two.
On holder described in the utility model, be connected with an installation base, can more easily translational adjustment assembly be connected with handle main body thus.
This utility model compared with prior art, have the following advantages and effect: structural design is more reasonable, realize the translation of two index glass sheets by the engagement between two of three bevel gears, the angular adjustment that realizes index glass sheet two that coordinates by index glass sheet two supports with rotation adjusting part.In operation on larynx, use convenient, reliable and safety, the resultant effect of operation is better.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present utility model.
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 index glass sheet one.
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 main body one in this utility model.
Fig. 9 is the structural representation cutaway view of A-A in Fig. 8.
Figure 10 is the structural representation of main body two in this utility model.
Figure 11 is the structural representation cutaway view of B-B in Figure 10.
Figure 12 is the structural representation of external screw rod in this utility model.
Figure 13 is the structural representation cutaway view of C-C in Figure 12.
Figure 14 is the structural representation front view of inner screw in this utility model.
Figure 15 is the structural representation top view of Figure 14.
Figure 16 is the structural representation cutaway view of D-D in Fig. 5.
Figure 17 is the structural representation cutaway view of E-E in Fig. 1.
Figure 18 is the structural representation removing in Figure 17 after fixed support, main body one, main body two, inner screw and back-up ring.
Figure 19 is the structural representation retaining in Figure 17 after fixed support, inner screw, bevel gear three and translational adjustment assembly.
Detailed description of the invention
Referring to Fig. 1-Fig. 5, this utility model is mainly made up of handle main body, adjusting part, apparatus gatherer 5 and lens device, handle main body comprises the main body 1 and the main body 23 that are mutually threaded, adjusting part comprises translational adjustment assembly 2 and rotation adjusting part 4, and lens device comprises index glass sheet 1 and index glass sheet 27; Wherein: main body 23 is connected with index glass sheet 1 by fixed support 61, index glass sheet 27 is connected with rotation adjusting part 4 by index glass sheet two supports 31, translational adjustment assembly 2 is fixing by screw and main body 23, one end of rotation adjusting part 3 is positioned at main body 23, and apparatus gatherer 5 is fixing with index glass sheet 27.The Main Function of apparatus gatherer 5 can penetrate endoscope, light guide bundles etc. and coordinate operation while being use, it is same as the prior art.
Referring to Fig. 6, Figure 17, translational adjustment assembly 2 of the present utility model comprises the handwheel 1 that interfixes and hand wheel handle 1 and power transmission shaft 24, holder 25, bevel gear 1 and front pad 26, rear pad 23; Handwheel 1 is fixed by pin with power transmission shaft 24, and power transmission shaft 24 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 25, and rear pad 23 is between handwheel 1 and holder 25, and holder 25 is screwed in main body 23 by installation base 28; Handwheel 1, holder 25, bevel gear 1 are arranged in the outer surface of power transmission shaft 24 successively; Bevel gear 1 engages with bevel gear 2 35 and bevel gear 3 36 respectively.
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 can self-locking; Front pad 26, in order to reduce bevel gear 1 and holder 25 contact frictions, plays smooth effect; The whole translational adjustment assembly 2 of holder 25 is fixed in main body 23 by four screws, plays fixing and protective effect; Power transmission shaft 24 is with transmitting torque and power, and the moment of torsion that handwheel 1 is transmitted passes to bevel gear 1 by dig-inning screw 29, and rear pad 23, in order to reduce the contact friction of handwheel 1 and holder 25, plays smooth effect.
Referring to Fig. 7, Figure 16, rotation adjusting part 4 of the present utility model comprises handwheel 2 42 and the hand wheel handle 2 43 adjusting screw rod 41 and interfix, and handwheel 2 42 is connected with adjustment screw rod 41 by pin; Adjust on screw rod 41 and be provided with screw flight 411, spacing bulb 413 and positive stop lug boss 412, positive stop lug boss 412 is between screw flight 411 and spacing bulb 413, and spacing bulb 413 is positioned at main body 23.
Handwheel 2 42 is used for fixing hand wheel handle 2 43, transmitting torque and power; Hand wheel handle 2 43 is evenly arranged on handwheel 2 42 by four hand wheel handles, in order to increase moment of torsion; Adjusting screw rod 41 is used for adjusting and the relative position of index glass sheet two supports 31 of its threaded engagement; Positive stop lug boss 412 and spacing bulb 413 are limited in adjustment screw rod 41 in main body 23; Pin 44 is fixed handwheel 2 42 with adjusting screw rod 41, thereby the moment of torsion of handwheel 2 42 is delivered to and is adjusted on screw rod 41.
Referring to Figure 16, handle main body of the present utility model also comprises two 32 of index glass sheets, external screw rod 33, inner screw 34, bevel gear 2 35, bevel gear 3 36 and back-up ring 37, and two 32 of index glass sheets are fixed and are connected with index glass sheet two supports 31 by bearing pin 38 with external screw rod 33 by pin; Inner screw 34 is socketed with external screw rod 33 and is connected with fixed support 61, and is threaded with bevel gear 3 36; Bevel gear 2 35 is connected with external screw rod 34 and is limited in main body 23 by back-up ring 37, and back-up ring 37 is sleeved in main body 23.
The effect of index glass sheet two supports 31 is: integrally welded with index glass sheet 27, index glass sheet 27, along with index glass sheet two supports 31 rotate, is realized the effect that index glass sheet 27 rotates; The effect that index glass sheet is two 32 is: be fixed on external screw rod 33, connected index glass sheet two supports 31 by bearing pin 38 by pin 39.
Spacing bulb 413 one end of adjusting screw rod 41 are stuck in main body 23, it can not be moved up and down at vertical direction, but can rotate around its central shaft; Adjust screw rod 41 and pass through threaded engagement with index glass sheet two supports 31, rotate hand wheel handle 43 and adjust the gap of index glass sheet two supports 31 and main body 23, thereby index glass sheet two supports 31 are rotated around bearing pin 38, realize the function that index glass sheet 27 rotates; The effect of index glass sheet two supports 31 is fixing index glass sheets 27, rotates around bearing pin 38, realizes the effect that index glass sheet 27 rotates.
Referring to Fig. 8-Figure 11, Figure 16, Figure 17, main body 1 of the present utility model and main body 23 are threaded mutually, main body 23 is a hollow structure 304, on it, have rotary handle elongated slot 301 and bolt elongated slot 302, adjustment screw rod 41 in rotation adjusting part 4 is limited in rotary handle elongated slot 301, and support bracket bolt 62 is limited in bolt elongated slot 302.On the inwall of main body 23, be provided with an inner convex platform 303, this inner convex platform 303, between bevel gear 2 35 and the stage casing 332 of external screw rod 33, is shown in Figure 12.
Handle elongated slot 301 is mainly used to block the spacing bulb 413 of adjusting screw rod 41, makes to adjust screw rod and slides at the left and right directions of handle elongated slot 301; Bolt elongated slot 302 is two elongated slots that support bracket bolt 62 slides.
Referring to Figure 12-Figure 13, Figure 16, external screw rod 33 of the present utility model is made up of leading portion 331, stage casing 332 and back segment 333, the diameter of back segment 333 is less than the diameter in stage casing 332 and is provided with external screw thread 334 at back segment 333, on it, be connected with bevel gear 2 35, have pin hole 335 at leading portion 331, have elongated slot 336, keyway 337 and spacing bulb groove 338 in stage casing.
When use, pin hole 335 can be fixed on external screw rod 33 on two 32 of index glass sheets by pin; Elongated slot 336 is two elongated slots that support bracket bolt 62 slides; The effect of keyway 337 is restrictions that external screw rod 33 is moved right, and spacing bulb groove 338 is in order to place the spacing bulb 413 of rotation adjusting part 4.
Referring to Figure 14-Figure 15, Figure 17, the body of rod 341 diameters of inner screw 34 of the present utility model are less than bar head 342 diameters, have two circular holes 343 on the body of rod 341, and they coordinate with support bracket bolt 62, on bar head 342, be provided with external screw thread 344, on it, be connected with bevel gear 3 36.
Referring to Figure 17, index glass sheet 1 is welded on fixed support 61, fixed support 61 is fixing by two screws and inner screw 34, inner screw 34 is threaded with bevel gear 3 36 again, index glass sheet 27 is welded on index glass sheet two supports 31, then is threaded with bevel gear 2 35 by external screw rod 33, and bevel gear 2 35 is limited in handle main body by back-up ring 37, bevel gear 3 36 is limited in main body 23 by back-up ring 37 and main body 1, and translational adjustment assembly 2 is fixed by screws in main body 23.
Its effect of the left side of main body 23 inner convex platforms 303 is the restriction that external screw rod 33 is moved right; Its effect of the right of inner convex platform 303 is to coordinate with back-up ring 37, and bevel gear 2 35 is limited in main body 23; The left side of main body 1 coordinates with back-up ring 37, and bevel gear 3 36 is limited in main body 23; Bevel gear 2 35 and bevel gear 3 36 are all driven pulleys, and bevel gear 1 is drivewheels.
Referring to Figure 18, it is the structural representation of realizing 27 translations of index glass sheet.Bevel gear 1 in figure engages transferring power with bevel gear 2 35 by gear, and bevel gear 2 35 is threaded connection transferring power with external screw rod 33; Rotate hand wheel handle 1 and make power pass to bevel gear 2 35 from bevel gear 1, bevel gear 2 35 is conducted and is made external screw rod 33 left and right translation in handle main body by screw thread, thereby realizes the function of index glass sheet 27 left and right translations.
The right step 338 of external screw rod 33 contacts with the left side of inner convex platform 303, and effect is the restriction that external screw rod 33 is moved right.
Referring to Figure 19, it is the structural representation of realizing one 6 translations of index glass sheet.In like manner, bevel gear 1 in figure engages transferring power with bevel gear 3 36 by gear, bevel gear 3 36 is threaded connection transferring power with inner screw 34, rotating hand wheel handle 1 makes power pass to bevel gear 3 36 from bevel gear 1, bevel gear 3 36 is conducted and is made inner screw 34 left and right translation in handle main body by screw thread, thereby realizes the function of index glass sheet one 6 left and right translations.
Referring to Figure 17-Figure 19, because the direction of rotation of bevel gear 2 35, bevel gear 3 36 is contrary, thus the motion that makes external screw rod 33 and inner screw 34 produce all the time both direction, the object that finally realizes index glass sheet 1,27 while of index glass sheet closure or open simultaneously.
This utility model can be made with rustless steel.
Two moving " two moving " implications that regulate laryngoscope are herein: index glass sheet 1 and index glass sheet 27 can move left and right adjusting.
All equivalence or simple change of doing according to described structure, feature and the principle of this utility model patent design, are included in the protection domain of this utility model patent.
Claims (8)
1. the two moving laryngoscopes that regulate, comprise handle main body, adjusting part, apparatus gatherer and lens device, and adjusting part comprises translational adjustment assembly and rotation adjusting part, it is characterized in that:
Described lens device comprises index glass sheet one and index glass sheet two, and handle main body is connected with index glass sheet one by fixed support, and index glass sheet two is connected with rotation adjusting part by index glass sheet two supports;
Described handle main body comprises main body one, main body two, index glass sheet two supports, two of index glass sheets, external screw rod, inner screw, bevel gear two, bevel gear three and back-up ring, described main body one is threaded with main body two, index glass sheet two supports are welded and fixed with index glass sheet two and are flexibly connected with rotation adjusting part, and two of index glass sheets are fixed with external screw rod by pin and are connected with index glass sheet two supports by bearing pin; Inner screw is socketed and is connected with described fixed support with external screw rod, and is threaded with bevel gear three; Bevel gear two be connected with external screw rod and by retainer ring spacing in main body two, shield ring sleeve is contained in main body two;
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; 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 and bevel gear three respectively, and the direction of rotation of bevel gear two and bevel gear three is contrary;
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. two moving laryngoscope that regulates according to claim 1, is characterized in that: described fixed support and index glass sheet one weld, and this fixed support is also fixed by two support bracket bolts and inner screw.
3. two moving laryngoscope that regulates according to claim 1 and 2, it is characterized in that: described main body two is a hollow structure, on it, have rotary handle elongated slot and bolt elongated slot, the adjustment screw rod in rotation adjusting part is limited in rotary handle elongated slot, and support bracket bolt is limited in bolt elongated slot.
4. two moving laryngoscope that regulates according to claim 1 and 2, it is characterized in that: described external screw rod is made up of leading portion, stage casing and back segment, the diameter of back segment is less than the diameter in stage casing and is provided with external screw thread at back segment, on it, be connected with bevel gear two, have pin hole at leading portion, have elongated slot, keyway and spacing bulb groove in stage casing.
5. two moving laryngoscope that regulates according to claim 1 and 2, it is characterized in that: the body of rod diameter of described inner screw is less than bar head diameter, on the body of rod, have two circular holes, they coordinate with described support bracket bolt, on bar head, be provided with external screw thread, on it, be connected with bevel gear three.
6. two moving laryngoscope that regulates according to claim 3, is characterized in that: on the inwall of described main body two, be provided with an inner convex platform, this inner convex platform is between bevel gear two and the stage casing of external screw rod.
7. two moving laryngoscope that regulates according to claim 1, is characterized in that: on described holder, be connected with an installation base.
8. two moving laryngoscope that regulates according to claim 1, is characterized in that: described index glass sheet two supports are connected with the screw flight of rotation adjusting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420071617.8U CN203815424U (en) | 2014-02-19 | 2014-02-19 | Double-acting adjustment laryngoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420071617.8U CN203815424U (en) | 2014-02-19 | 2014-02-19 | Double-acting adjustment laryngoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203815424U true CN203815424U (en) | 2014-09-10 |
Family
ID=51470978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420071617.8U Withdrawn - After Issue CN203815424U (en) | 2014-02-19 | 2014-02-19 | Double-acting adjustment laryngoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203815424U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103799954A (en) * | 2014-02-19 | 2014-05-21 | 浙江天松医疗器械股份有限公司 | Double-action regulating laryngoscope |
-
2014
- 2014-02-19 CN CN201420071617.8U patent/CN203815424U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103799954A (en) * | 2014-02-19 | 2014-05-21 | 浙江天松医疗器械股份有限公司 | Double-action regulating laryngoscope |
| CN103799954B (en) * | 2014-02-19 | 2015-10-28 | 浙江天松医疗器械股份有限公司 | A kind of two dynamic adjustment laryngoscope |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103799954B (en) | A kind of two dynamic adjustment laryngoscope | |
| CN107577052B (en) | Pupil distance adjusting structure and virtual reality display device | |
| SG152977A1 (en) | Screw actuated night vision goggle tilt mechanism | |
| CN203815424U (en) | Double-acting adjustment laryngoscope | |
| CN105563478B (en) | Remote transmission system for robot | |
| CN208341867U (en) | A kind of pipeline oblique opening cutting device | |
| CN103799955B (en) | A kind of adjustment laryngoscope | |
| CN203815428U (en) | Adjustable laryngoscope | |
| CN203665245U (en) | Device for internal polishing of mouth of steel tube | |
| CN203841666U (en) | Rotatable rigid endoscope with changeable view angle | |
| CN207336939U (en) | Interpupillary distance adjustment structure and virtual reality display device | |
| CN203815574U (en) | Movable lens translation device of double-acting adjustment laryngoscope | |
| CN104644109A (en) | Serpentine bracket | |
| CN203815425U (en) | Movable lens transverse moving device for double-acting regulating laryngoscope | |
| CN203195652U (en) | Connected-type electronic visible endoscope | |
| CN212379667U (en) | Medical radiology department is with reading device | |
| CN107175519B (en) | A kind of machine tool structure and its application method with clamping function | |
| CN203815576U (en) | Main body device for adjusting laryngoscope | |
| CN211175980U (en) | Adjustable fixed stay frame of supervisory equipment | |
| CN203815427U (en) | Main body device for adjusting laryngoscope in double-acting manner | |
| CN204390749U (en) | A kind of high precision micro-positioning regulators structure | |
| CN203815575U (en) | Translation engaging device for adjusting laryngoscope | |
| CN208557048U (en) | A kind of abrasive machine of adjustable angle | |
| CN101586783B (en) | Double-focusing mechanism of operating lamp | |
| CN219022801U (en) | Novel bronchus support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140910 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |