CN208405078U - Cutter is used in the full femtosecond operation of ophthalmology - Google Patents
Cutter is used in the full femtosecond operation of ophthalmology Download PDFInfo
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- CN208405078U CN208405078U CN201721423726.1U CN201721423726U CN208405078U CN 208405078 U CN208405078 U CN 208405078U CN 201721423726 U CN201721423726 U CN 201721423726U CN 208405078 U CN208405078 U CN 208405078U
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- procapsid
- back casing
- rear end
- ophthalmology
- worm gear
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Abstract
The utility model discloses a kind of full femtosecond operation cutters of ophthalmology, back casing including procapsid and with procapsid rotation connection, it further include the regulating mechanism 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 equipped with sealing plate, inside is equipped with mounting plate, arc-shaped mounting blocks there are two symmetrically being laid on procapsid inner wall, procapsid back end outer surface is equipped with the first locating slot, the back casing is in open circles taper, positioning plate is equipped with inside back casing front end, back casing leading exterior surface is equipped with the second locating slot, the cambered blade front end is equipped with blade body and rear end is equipped with blade connector, the blade body is in ogee, the cone hook is in needle-shaped, cone hook one end is fixedly connected with back casing rear end, other end end point is set There is bill；The utility model provides that a kind of structure is reliable, can once complete the full femtosecond operation cutter of ophthalmology of corneal stroma lens excision.
Description
Technical field
The utility model relates to ophthalmic instruments fields more particularly to a kind of full femtosecond operation of ophthalmology to use cutter.
Background technique
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, determine scalpel must small and flexible, with meet various different anatomic positions,
The needs that operative space is performed the operation.In long-term clinical practice, surgical staff in doing opthalmic surgery often more
Change different scalpels.
When cutting off one layer of corneal stroma lens in the full femtosecond operation of ophthalmology, surgical staff cutting is needed twice, and this
Cutting twice requires cut surface parallel as far as possible, this is quite high to the technical level requirement of surgical staff, and slightly neglecting just will affect hand
Art effect.
Therefore, it is necessary to a kind of full femtosecond operation cutters of ophthalmology that can solve problem above.
Utility model content
The purpose of the utility model is to overcome existing deficiency, it is reliable to provide a kind of structure, can once complete cornea base
Cutter is used in the full femtosecond operation of the ophthalmology of matter lens excision.
To achieve the above object, the technical scheme adopted by the utility model is
A kind of full femtosecond operation cutter of ophthalmology, the back casing including procapsid and with procapsid rotation connection further include
Two cambered blades of regulating mechanism, procapsid front end inside procapsid and the cone hook of back casing rear end；
The procapsid is in hollow cylinder, and procapsid front end is equipped with sealing plate in duckbill, rear end, is internal equipped with installation
Plate is symmetrically laid on procapsid inner wall there are two arc-shaped mounting blocks, and procapsid back end outer surface is equipped with the first locating slot；
The back casing is in open circles taper, is equipped with positioning plate inside back casing front end, back casing leading exterior surface is equipped with
Second locating slot；
The regulating mechanism includes adjusting screw rod, worm gear shaft and the drive rod being rotatablely connected with mounting plate and sealing plate, described
The both ends of screw rod, worm gear shaft are adjusted respectively with two mounting blocks rotation connections, the both ends for adjusting screw rod are equipped with driven tooth
Wheel adjusts and is symmetrically sheathed with cambered blade on screw rod, and the both ends of the worm gear shaft are equipped with driving gear, middle part is equipped with worm gear, institute
Stating drive rod is integrally in round bar shape, and front end is equipped with worm screw, rear end is square, and transmission rod rear end sequentially passes through mounting plate and sealing plate,
Its rear end end is embedded in positioning plate, the driven gear and driving gear intermeshing transmission connection, the worm gear and worm screw phase
Mutually it is connected by meshing transmission；
The cambered blade front end is equipped with blade body and rear end is equipped with blade connector, and the blade body is in anti-arc
Shape, ogee radius are 7.8mm, and chord length 10mm, blade connector one end passes through procapsid front end, the other end passes through screw thread
Hole, which is linked in, to be adjusted on screw rod；
In needle-shaped, cone hook one end is fixedly connected the cone hook with back casing rear end, other end end point is equipped with bill, described
Bill and cone hook are in 90 ° of angles.
Further, the procapsid and back casing junction are equipped with connector sleeve, and the connector sleeve is in hollow cylinder, even
Female connector inner wall is set there are two circular orientation item, and described two circular orientation items are respectively embedded into the first locating slot and the second locating slot.
Further, the procapsid, back casing and connector sleeve are symmetrical two parts composition.
Further, driving gear, the worm gear laid on the worm gear shaft and worm gear shaft are two groups symmetrically laid.
Further, the front end of the back casing is embedded in the rear end of procapsid.
Further, described adjusting screw rod one end be positive a screw thread, one end be anti-silk screw thread.
Further, the threaded hole on described two cambered blades is positive a screw thread and anti-silk screw thread respectively.
The beneficial effects of the utility model are:
1. two cambered blades of procapsid front end and the cone hook of back casing rear end, blade body is in ogee, ogee
Radius is 7.8mm, chord length 10mm, is bonded the radius of curvature of normal cornea, and whens isolation medium lens allows cornea tissue deformation around
It is small, it bores hook one end and is equipped with bill, bill and cone hook are in 90 ° of angles, and bill is used to hook the edge for opening side notch and matrix lens, away from
It is closer from hand-held place, facilitate operation and the control of active force.
2. being equipped with regulating mechanism inside procapsid, two cambered blades are connected with regulating mechanism, and regulating mechanism includes adjusting
Screw rod, worm gear shaft and the drive rod being rotatablely connected with mounting plate and sealing plate are saved, adjustable two cambered blades of rotation drive rod
Distance is doing femtosecond operation consent, and surgical staff regulates the distance between two cambered blades, hand according to the degree of patient's myopia
Only need to once cut during art can cut off one layer for 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 promotion surgical effect.
3. the driving gear laid on worm gear shaft and worm gear shaft, worm gear are two groups symmetrically laid, two are being adjusted
It is more steady and reliable when the distance between cambered blade, the reliability of this cutter is increased, the success rate of operation is improved.
Detailed description of the invention
Fig. 1 is the structure front view of the full femtosecond operation cutter of the utility model ophthalmology.
Fig. 2 is the structural side view of the full femtosecond operation cutter of the utility model ophthalmology.
Fig. 3 is cross-sectional view at A-A in Fig. 2 of the full femtosecond operation cutter of the utility model ophthalmology.
Fig. 4 is cross-sectional view at B-B in Fig. 2 of the full femtosecond operation cutter of the utility model ophthalmology.
Fig. 5 is enlarged drawing at C in Fig. 1 of the full femtosecond operation cutter of the utility model ophthalmology.
Fig. 6 is enlarged drawing at D in Fig. 1 of the full femtosecond operation cutter of the utility model ophthalmology.
Numbering in the drawing are as follows: 1 is procapsid, and 2 be back casing, and 3 be cambered blade, and 4 be cone hook, and 5 be sealing plate, and 6 be installation
Plate, 7 be mounting blocks, and 8 be the first locating slot, and 9 be positioning plate, and 10 be the second locating slot, and 11 is adjust screw rod, and 12 be worm gear shaft,
13 be drive rod, and 14 be driven gear, and 15 be driving gear, and 16 be worm gear, and 17 be worm screw, and 18 be connector sleeve, and 19 be positioning strip,
31 be blade body, and 32 be blade connector, and 41 be bill.
Specific embodiment
Specific embodiment of the present utility model is described in detail with reference to the accompanying drawing.
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, further include 2 rear end of two cambered blades 3 and back casing of regulating mechanism inside procapsid 1,1 front end of procapsid
Cone hook 4；
The procapsid 1 is in hollow cylinder, and 1 front end of procapsid is equipped with sealing plate 5 in duckbill, rear end, is internal equipped with peace
Loading board 6 is symmetrically laid on 1 inner wall of procapsid there are two arc-shaped mounting blocks 7, and 1 back end outer surface of procapsid is equipped with the first positioning
Slot 8；
The back casing 2 is in open circles taper, is equipped with positioning plate 9,2 leading exterior surface of back casing inside 2 front end of back casing
Equipped with the second locating slot 10；
The regulating mechanism includes adjusting screw rod 11, worm gear shaft 12 and the drive rod being rotatablely connected with mounting plate 6 and sealing plate 5
13, it is described adjust screw rod 11, the both ends of worm gear shaft 12 are rotatablely connected with two mounting blocks 7 respectively, the screw rod 11 that adjusts
Both ends are equipped with driven gear 14, adjust and are symmetrically sheathed with cambered blade 3 on screw rod 11, and the both ends of the worm gear shaft 12 are equipped with actively
Gear 15, middle part are equipped with worm gear 16, and the whole drive rod 13 is in round bar shape, and front end is equipped with worm screw 17, rear end is square, and is driven
13 rear end of bar sequentially passes through mounting plate 6 and sealing plate 5, and its rear end end is embedded in positioning plate 9, the driven gear 14 and driving gear
15 intermeshing transmission connections, the worm gear 16 and the intermeshing transmission connection of worm screw 17；
3 front end of cambered blade is equipped with blade body 31 and rear end is equipped with blade connector 32, the blade body 31
In ogee, ogee radius is 7.8mm, chord length 10mm, and described 32 one end of blade connector passes through 1 front end of procapsid, another
End is linked in by threaded hole and is adjusted on screw rod 11；
The cone hook 4 is in needle-shaped, and cone 4 one end of hook is fixedly connected with 2 rear end of back casing, other end end point is equipped with bill
41, the bill 41 is in 90 ° of angles with cone hook 4.
The procapsid 1 and 2 junction of back casing are equipped with connector sleeve 18, and the connector sleeve 18 is in hollow cylinder, connection
It covers 18 inner walls to set there are two circular orientation item 19, it is fixed that described two circular orientation items 19 are respectively embedded into the first locating slot 8 and second
Position slot 10.
The procapsid 1, back casing 2 and connector sleeve 18 are symmetrical two parts composition.
Driving gear 15, the worm gear 16 laid on the worm gear shaft 12 and worm gear 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 11 one end of adjusting screw rod be positive a screw thread, one end be anti-silk screw thread.
Threaded hole on described two cambered blades 3 is positive a screw thread and anti-silk screw thread respectively.
Operation consent, first fixed procapsid 1, the other hand rotate back casing 2 on the other hand, drive 13 turns of drive rod by positioning plate 9
Dynamic, the worm screw 17 of 13 front end of drive rod rotates worm gear shaft 12 by worm gear 16, and the driving gear 15 at 12 both ends of worm gear shaft drives
Driven gear 14 make adjust screw rod 11 rotate, due to adjust 11 one end of screw rod be positive a screw thread, one end be anti-silk screw thread and two
Threaded hole on cambered blade 3 is positive a screw thread and anti-silk screw thread respectively, and two cambered blades 3 move up and down respectively at this time, according to
According to the degree of patient's myopia, two cambered blades 3 are adjusted and arrive suitable distance.
When operation, blade body 31 is conformed into cornea, is 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, 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.
The embodiment of the above, the only preferred embodiment of the utility model not limit the utility model
Practical range, therefore all equivalent change or modifications done according to structure, feature and principle described in the utility model patent range,
It should be included in present utility model application the scope of the patents.
Claims (7)
1. a kind of full femtosecond operation cutter of ophthalmology, the back casing (2) including procapsid (1) and with procapsid (1) rotation connection,
It is characterized in that, further including the internal regulating mechanism of procapsid (1), two cambered blades (3) of procapsid (1) front end and rear shell
The cone hook (4) of body (2) rear end；
The procapsid (1) is in hollow cylinder, and procapsid (1) front end is equipped with sealing plate (5) in duckbill, rear end, inside is equipped with
Mounting plate (6) is symmetrically laid there are two arc-shaped mounting blocks (7) on procapsid (1) inner wall, and procapsid (1) back end outer surface is set
There are the first locating slot (8)；
The back casing (2) is in open circles taper, positioning plate (9) is equipped with inside back casing (2) front end, outside back casing (2) front end
Surface is equipped with the second locating slot (10)；
The regulating mechanism includes adjusting screw rod (11), worm gear shaft (12) and the biography being rotatablely connected with mounting plate (6) and sealing plate (5)
Lever (13), it is described adjust screw rod (11), the both ends of worm gear shaft (12) are rotatablely connected with two mounting blocks (7) respectively, described
The both ends for adjusting screw rod (11) are equipped with driven gear (14), adjust and are symmetrically sheathed with cambered blade (3), the snail on screw rod (11)
The both ends of wheel shaft (12) are equipped with driving gear (15), middle part is equipped with worm gear (16), and the drive rod (13) is integrally in round bar shape, preceding
End is equipped with worm screw (17), rear end is square, and drive rod (13) rear end sequentially passes through mounting plate (6) and sealing plate (5), its rear end end
It is embedded in positioning plate (9), the driven gear (14) and driving gear (15) intermeshing transmission connection, the worm gear (16) and snail
Bar (17) intermeshing transmission connection；
Cambered blade (3) front end is equipped with blade body (31) and rear end is equipped with blade connector (32), the blade body
It (31) is in ogee, ogee radius is 7.8mm, chord length 10mm, before described blade connector (32) one end passes through procapsid (1)
End, the other end are linked in by threaded hole and are adjusted on screw rod (11)；
The cone hook (4) is in needle-shaped, and cone hook (4) one end is fixedly connected with back casing (2) rear end, other end end point is equipped with bill
(41), the bill (41) and cone hook (4) are in 90 ° of angles.
2. the full femtosecond operation cutter of ophthalmology according to claim 1, which is characterized in that the procapsid (1) and rear shell
Body (2) junction is equipped with connector sleeve (18), and the connector sleeve (18) is in hollow cylinder, and connector sleeve (18) inner wall is set there are two ring
Shape positioning strip (19), described two circular orientation items (19) are respectively embedded into the first locating slot (8) and the second locating slot (10).
3. the full femtosecond operation cutter of ophthalmology according to claim 2, which is characterized in that the procapsid (1), back casing
(2) and connector sleeve (18) is symmetrical two parts composition.
4. the full femtosecond operation cutter of ophthalmology according to claim 1, which is characterized in that the worm gear shaft (12) and worm gear
Driving gear (15), the worm gear (16) laid on axis (12) are two groups symmetrically laid.
5. the full femtosecond operation cutter of ophthalmology according to claim 1, which is characterized in that the front end of the back casing (2)
It is embedded in the rear end of procapsid (1).
6. the full femtosecond operation cutter of ophthalmology according to claim 1, which is characterized in that described adjusting screw rod (11) one end
Be positive a screw thread, one end be anti-silk screw thread.
7. the full femtosecond operation cutter of ophthalmology according to claim 1, which is characterized in that described two cambered blades (3)
On threaded hole be positive respectively screw thread and anti-silk screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721423726.1U CN208405078U (en) | 2017-10-31 | 2017-10-31 | Cutter is used in the full femtosecond operation of ophthalmology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721423726.1U CN208405078U (en) | 2017-10-31 | 2017-10-31 | Cutter is used in the full femtosecond operation of ophthalmology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208405078U true CN208405078U (en) | 2019-01-22 |
Family
ID=65127983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721423726.1U Active CN208405078U (en) | 2017-10-31 | 2017-10-31 | Cutter is used in the full femtosecond operation of ophthalmology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208405078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110742726A (en) * | 2019-10-17 | 2020-02-04 | 屈宏波 | Corneal interlaminar tissue separator |
-
2017
- 2017-10-31 CN CN201721423726.1U patent/CN208405078U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110742726A (en) * | 2019-10-17 | 2020-02-04 | 屈宏波 | Corneal interlaminar tissue separator |
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