CN107595471A - A kind of full femtosecond operation cutter of ophthalmology - Google Patents
A kind of full femtosecond operation cutter of ophthalmology Download PDFInfo
- Publication number
- CN107595471A CN107595471A CN201711050158.XA CN201711050158A CN107595471A CN 107595471 A CN107595471 A CN 107595471A CN 201711050158 A CN201711050158 A CN 201711050158A CN 107595471 A CN107595471 A CN 107595471A
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- CN
- China
- Prior art keywords
- procapsid
- back casing
- rear end
- worm
- ophthalmology
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- 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.)
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Abstract
The invention discloses a kind of full femtosecond operation cutter of ophthalmology,Back casing including procapsid and with procapsid rotation connection,Also include the governor motion inside procapsid,Two cambered blades of procapsid front end and the cone hook of back casing rear end,The procapsid is in hollow cylinder,Procapsid front end is in duckbill,Rear end is provided with shrouding,Inside is provided with installing plate,Two circular arc mounting blocks are symmetrically laid with procapsid inwall,Procapsid back end outer surface is provided with the first locating slot,The back casing is in open circles taper,Location-plate is provided with inside back casing front end,Back casing leading exterior surface is provided with the second locating slot,The cambered blade front end is provided with blade body and rear end is provided with blade connector,The blade body is in ogee,The cone hook is in needle-like,Cone hook one end is fixedly connected with back casing rear end,Other end end is provided with bill；A kind of structure of present invention offer is reliable, can once complete the full femtosecond operation cutter of ophthalmology of corneal stroma lens excision.
Description
Technical field
The present invention relates to ophthalmic instruments field, more particularly to a kind of full femtosecond operation cutter of ophthalmology.
Background technology
In Clinical Ophthalmology disease treatment, some ophthalmology diseases often will be by operative treatment, due to the solution of human eye
Cut open the reasons such as structure, surgical field of view be narrow and small, determine that scalpel must be compact nimble, with meet various different anatomic positions,
The needs that operative space is performed the operation.In long-term clinical practice, surgical staff in opthalmic surgery is done often more
Change different scalpels.
, it is necessary to which surgical staff is cut twice when cutting off one layer of corneal stroma lens in the full femtosecond operation of ophthalmology, and this
Cutting twice requires that cut surface is as far as possible parallel, and this technical merit to surgical staff requires quite high, and slightly carelessness will influence hand
Art effect.
Therefore, it is necessary to a kind of full femtosecond operation cutter of ophthalmology that can solve problem above.
The content of the invention
It is an object of the invention to overcome existing deficiency, there is provided a kind of structure is reliable, and it is saturating can once to complete corneal stroma
The full femtosecond operation cutter of ophthalmology of mirror excision.
To achieve the above object, the technical solution adopted in the present invention is：
A kind of full femtosecond operation cutter of ophthalmology, including procapsid and the back casing with procapsid rotation connection, in addition to fore shell
Governor motion, two cambered blades of procapsid front end and the cone hook of back casing rear end in internal portion；
The procapsid is in hollow cylinder, and procapsid front end is provided with shrouding in duckbill, rear end, inside is provided with installing plate, preceding
Two circular arc mounting blocks are symmetrically laid with inner walls, procapsid back end outer surface is provided with the first locating slot；
The back casing is in open circles taper, and location-plate is provided with inside back casing front end, and back casing leading exterior surface is provided with second
Locating slot；
The governor motion includes regulation screw mandrel, worm-wheel shaft and the drive link being rotatablely connected with installing plate and shrouding, the regulation
Screw mandrel, the both ends of worm-wheel shaft are rotatablely connected with two mounting blocks respectively, and the both ends of the regulation screw mandrel are provided with driven gear, adjust
Cambered blade is symmetrically sheathed with section screw mandrel, the both ends of the worm-wheel shaft are provided with worm gear, the transmission provided with driving gear, middle part
Bar is integrally provided with worm screw in round bar shape front end, rear end is square, and transmission rod rear end sequentially passes through installing plate and shrouding, its rear end end
The embedded location-plate of head, driven gear and driving gear the intermeshing drive connection, the worm gear and worm screw intermeshing pass
Dynamic connection；
The cambered blade front end is provided with blade body and rear end is provided with blade connector, and the blade body is in ogee, instead
Arc radius is 7.8mm, and chord length 10mm, described blade connector one end passes through screw thread borehole jack through procapsid front end, the other end
Close on regulation screw mandrel；
The cone hook is in needle-like, and hook one end is fixedly connected cone with back casing rear end, other end end is provided with bill, the bill
It is in 90 ° of angles with cone hook.
Further, procapsid and the back casing junction is provided with adapter sleeve, and the adapter sleeve is in hollow cylinder, even
Female connector inwall is provided with two circular orientation bars, and described two circular orientation bars are respectively embedded into the first locating slot and the second locating slot.
Further, the procapsid, back casing and adapter sleeve are symmetrical two parts composition.
Further, driving gear, the worm gear laid on the worm-wheel shaft and worm-wheel shaft are two groups symmetrically laid.
Further, the front end of the back casing is embedded in the rear end of procapsid.
Further, described regulation screw mandrel one end be positive silk screw thread, one end be anti-silk screw thread.
Further, the screwed hole on described two cambered blades is respectively positive silk screw thread and anti-silk screw thread.
The beneficial effects of the invention are as follows：
1. two cambered blades of procapsid front end and the cone hook of back casing rear end, blade body is in ogee, ogee radius
For 7.8mm, chord length 10mm, the radius of curvature of normal cornea is bonded, make cornea tissue deformation around small during isolation medium lens, bore
Hook one end is provided with bill, and bill is in 90 ° of angles with cone hook, and bill is used to hook the edge for driving side otch and matrix lens, apart from hand
Hold and locate nearer, convenient operation and the control of active force.
2. being provided with governor motion inside procapsid, two cambered blades are connected with governor motion, and governor motion includes adjusting
Screw mandrel, worm-wheel shaft and the drive link being rotatablely connected with installing plate and shrouding are saved, rotates adjustable two cambered blades of drive link
Distance, femtosecond operation consent is being done, surgical staff regulates the distance between two cambered blades, hand according to the number of degrees of patient's myopia
Only need to once be cut during art can cut off one layer by corneal stroma lens, and cut off a layer consistency of thickness, not only reduce
The working strength of surgical staff, moreover it is possible to effectively lift surgical effect.
3. the driving gear laid on worm-wheel shaft and worm-wheel shaft, worm gear are two groups symmetrically laid, in regulation two
It is more steady and reliable during the distance between cambered blade, the reliability of this cutter is added, improves the success rate of operation.
Brief description of the drawings
Fig. 1 is a kind of structure front view of the full femtosecond operation cutter of ophthalmology of the present invention.
Fig. 2 is a kind of structural side view of the full femtosecond operation cutter of ophthalmology of the present invention.
Fig. 3 is sectional view at A-A in a kind of Fig. 2 of the full femtosecond operation cutter of ophthalmology of the present invention.
Fig. 4 is sectional view at B-B in a kind of Fig. 2 of the full femtosecond operation cutter of ophthalmology of the present invention.
Fig. 5 is enlarged drawing at C in a kind of Fig. 1 of the full femtosecond operation cutter of ophthalmology of the present invention.
Fig. 6 is enlarged drawing at D in a kind of Fig. 1 of the full femtosecond operation cutter of ophthalmology of the present invention.
In accompanying drawing marked as：1 is procapsid, and 2 be back casing, and 3 be cambered blade, and 4 be cone hook, and 5 be shrouding, and 6 be installation
Plate, 7 be mounting blocks, and 8 be the first locating slot, and 9 be location-plate, and 10 be the second locating slot, and 11 be regulation screw mandrel, and 12 be worm-wheel shaft,
13 be drive link, and 14 be driven gear, and 15 be driving gear, and 16 be worm gear, and 17 be worm screw, and 18 be adapter sleeve, and 19 be positioning strip,
31 be blade body, and 32 be blade connector, and 41 be bill.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in Fig. 1 ~ Fig. 6, a kind of full femtosecond operation cutter of ophthalmology, including procapsid 1 and be rotatablely connected with procapsid 1
Back casing 2, in addition to governor motion, two cambered blades 3 of the front end of procapsid 1 and the rear end of back casing 2 inside procapsid 1
Cone hook 4；
The procapsid 1 is in hollow cylinder, and the front end of procapsid 1 is provided with shrouding 5 in duckbill, rear end, inside is provided with installing plate
6, two circular arc mounting blocks 7 are symmetrically laid with the inwall of procapsid 1, and the back end outer surface of procapsid 1 is provided with the first locating slot 8；
The back casing 2 is in open circles taper, is provided with location-plate 9 inside the front end of back casing 2, the leading exterior surface of back casing 2 is provided with
Second locating slot 10；
The governor motion includes regulation screw mandrel 11, worm-wheel shaft 12 and the drive link 13 being rotatablely connected with installing plate 6 and shrouding 5,
The regulation screw mandrel 11, the both ends of worm-wheel shaft 12 are rotatablely connected with two mounting blocks 7 respectively, the both ends of the regulation screw mandrel 11
Provided with driven gear 14, adjust and be symmetrically sheathed with cambered blade 3 on screw mandrel 11, the both ends of the worm-wheel shaft 12 are provided with driving gear
15th, middle part is provided with worm gear 16, and the overall drive link 13 is in round bar shape, and front end is provided with worm screw 17, rear end is square, drive link 13
Rear end sequentially passes through installing plate 6 and shrouding 5, its rear end termination insertion location-plate 9, driven gear 14 and driving gear 15 phase
Mutually it is connected by meshing transmission, the worm gear 16 and the intermeshing drive connection of worm screw 17；
The front end of cambered blade 3 is provided with blade body 31 and rear end is provided with blade connector 32, and the blade body 31 is in anti-
Arc, ogee radius are 7.8mm, and chord length 10mm, described one end of blade connector 32 leads to through the front end of procapsid 1, the other end
Screwed hole is crossed to be linked on regulation screw mandrel 11；
The cone hook 4 is in needle-like, and the one end of hook 4 is fixedly connected cone with the rear end of back casing 2, other end end is provided with bill 41, institute
It is in 90 ° of angles that bill 41, which is stated, with cone hook 4.
Procapsid 1 and back casing 2 junction is provided with adapter sleeve 18, and the adapter sleeve 18 is in hollow cylinder, connection
Cover 18 inwalls and be provided with two circular orientation bars 19, it is fixed that described two circular orientation bars 19 are respectively embedded into the first locating slot 8 and second
Position groove 10.
The procapsid 1, back casing 2 and adapter sleeve 18 are symmetrical two parts composition.
Driving gear 15, the worm gear 16 laid on the worm-wheel shaft 12 and worm-wheel shaft 12 are two groups symmetrically laid.
The front end of the back casing 2 is embedded in the rear end of procapsid 1.
Described regulation screw mandrel 11 one end is positive silk screw thread, one end is anti-silk screw thread.
Screwed hole on described two cambered blades 3 is respectively positive silk screw thread and anti-silk screw thread.
Operation consent, first fixed procapsid 1, the other hand rotate back casing 2 on the other hand, and 13 turns of drive link is driven by location-plate 9
Dynamic, the worm screw 17 of the front end of drive link 13 rotates worm-wheel shaft 12 by worm gear 16, and the driving gear 15 at the both ends of worm-wheel shaft 12 drives
Driven gear 14 rotates regulation screw mandrel 11, because regulation screw mandrel 11 one end is positive silk screw thread, one end is anti-silk screw thread and two
Screwed hole on cambered blade 3 is respectively positive silk screw thread and anti-silk screw thread, and now two cambered blades 3 move up and down respectively, according to
According to the number of degrees of patient's myopia, two cambered blades 3 are adjusted into suitable distance.
During operation, blade body 31 is conformed into cornea, separated corneal stroma lens according to patient's ocular form, once
Corneal stroma lens can be cut off one layer by cutting, and cut off the distance between thickness degree and two cambered blades 3 unanimously, be cut
After cutting end, using the cone hook 4 of the cutter other end, the corneal stroma lens jacket of excision is ticked with bill 41, by patient wound
Operation terminates after suture.
Embodiment described above, simply presently preferred embodiments of the present invention, not limits practical range of the invention,
Therefore the equivalent change or modification that all construction, feature and principles according to described in the scope of the claims of the present invention are done, this hair all should be included in
In bright claim.
Claims (7)
1. a kind of full femtosecond operation cutter of ophthalmology, including procapsid（1）With with procapsid（1）The back casing of rotation connection（2）,
Characterized in that, also include procapsid（1）Governor motion, the procapsid of inside（1）Two cambered blades of front end（3）And rear shell
Body（2）The cone hook of rear end（4）；
The procapsid（1）In hollow cylinder, procapsid（1）Front end is provided with shrouding in duckbill, rear end（5）, inside is provided with
Installing plate（6）, procapsid（1）Two circular arc mounting blocks are symmetrically laid with inwall（7）, procapsid（1）Back end outer surface is set
There is the first locating slot（8）；
The back casing（2）In open circles taper, back casing（2）Location-plate is provided with inside front end（9）, back casing（2）Outside front end
Surface is provided with the second locating slot（10）；
The governor motion includes regulation screw mandrel（11）, worm-wheel shaft（12）With with installing plate（6）And shrouding（5）The biography of rotation connection
Lever（13）, the regulation screw mandrel（11）, worm-wheel shaft（12）Both ends respectively with two mounting blocks（7）Rotation connection, it is described
Adjust screw mandrel（11）Both ends be provided with driven gear（14）, adjust screw mandrel（11）On be symmetrically sheathed with cambered blade（3）, the snail
Wheel shaft（12）Both ends be provided with driving gear（15）, middle part be provided with worm gear（16）, the drive link（13）Overall is in round bar shape, preceding
End is provided with worm screw（17）, rear end be square, drive link（13）Rear end sequentially passes through installing plate（6）And shrouding（5）, its rear end termination
Embedded location-plate（9）, the driven gear（14）And driving gear（15）Intermeshing drive connection, the worm gear（16）And snail
Bar（17）Intermeshing drive connection；
The cambered blade（3）Front end is provided with blade body（31）Blade connector is provided with rear end（32）, the blade body
（31）In ogee, ogee radius is 7.8mm, chord length 10mm, the blade connector（32）One end passes through procapsid（1）Before
End, the other end are linked in regulation screw mandrel by screwed hole（11）On；
The cone hook（4）In needle-like, hook is bored（4）One end and back casing（2）Rear end is fixedly connected, other end end is provided with bill
（41）, the bill（41）With boring hook（4）In 90 ° of angles.
A kind of 2. full femtosecond operation cutter of ophthalmology according to claim 1, it is characterised in that the procapsid（1）With
Back casing（2）Junction is provided with adapter sleeve（18）, the adapter sleeve（18）In hollow cylinder, adapter sleeve（18）Inwall is provided with two
Individual circular orientation bar（19）, described two circular orientation bars（19）It is respectively embedded into the first locating slot（8）With the second locating slot（10）.
A kind of 3. full femtosecond operation cutter of ophthalmology according to claim 2, it is characterised in that the procapsid（1）, after
Housing（2）And adapter sleeve（18）It is symmetrical two parts composition.
A kind of 4. full femtosecond operation cutter of ophthalmology according to claim 1, it is characterised in that the worm-wheel shaft（12）With
Worm-wheel shaft（12）The driving gear of upper laying（15）, worm gear（16）It is two groups symmetrically laid.
A kind of 5. full femtosecond operation cutter of ophthalmology according to claim 1, it is characterised in that the back casing（2）'s
Front end is embedded in procapsid（1）Rear end.
A kind of 6. full femtosecond operation cutter of ophthalmology according to claim 1, it is characterised in that the regulation screw mandrel（11）
One end is positive silk screw thread, one end is anti-silk screw thread.
A kind of 7. full femtosecond operation cutter of ophthalmology according to claim 1, it is characterised in that described two cambered blades
（3）On screwed hole be respectively positive silk screw thread and anti-silk screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711050158.XA CN107595471A (en) | 2017-10-31 | 2017-10-31 | A kind of full femtosecond operation cutter of ophthalmology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711050158.XA CN107595471A (en) | 2017-10-31 | 2017-10-31 | A kind of full femtosecond operation cutter of ophthalmology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107595471A true CN107595471A (en) | 2018-01-19 |
Family
ID=61083973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711050158.XA Withdrawn CN107595471A (en) | 2017-10-31 | 2017-10-31 | A kind of full femtosecond operation cutter of ophthalmology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107595471A (en) |
-
2017
- 2017-10-31 CN CN201711050158.XA patent/CN107595471A/en not_active Withdrawn
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180119 |