CN203693888U - Automatic corneal cutter - Google Patents
Automatic corneal cutter Download PDFInfo
- Publication number
- CN203693888U CN203693888U CN201320607396.7U CN201320607396U CN203693888U CN 203693888 U CN203693888 U CN 203693888U CN 201320607396 U CN201320607396 U CN 201320607396U CN 203693888 U CN203693888 U CN 203693888U
- Authority
- CN
- China
- Prior art keywords
- connecting portion
- cornea
- donor
- pressure handle
- cutter hub
- 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.)
- Expired - Fee Related
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Abstract
The utility model mainly relates to the field of manufacture of medical instruments for the surgery department, in particular to the field of manufacture of a corneal trephine. An automatic corneal cutter comprises a hollow cylindrical knife, wherein the post wall thickness of the knife is gradually reduced from top to bottom, an annular knife edge is formed at the lowest end of the post column, the knife is mounted at one end of a press handle, the other end of the press handle is in shaft connection with one end of a base, and a fixing position used for accommodating a donor's cornea is arranged in the position, corresponding to the knife on the press handle, of the other end of the base. The automatic corneal cutter is simpler to operate, the probability of waste of the donor's cornea due to manual errors is low, and further, incisal edges of the donor's cornea are perpendicular, so that healing of a patient is facilitated.
Description
Technical field
This utility model relates generally to surgical medical equipment and makes field, relates in particular to corneal trephine and makes field.
Background technology
In the time doing corneal graft, need need to select according to operation the corneal trephine of suitable bore, donor's cornea is excised, thus the unnecessary part of excision donor's cornea, so that the size of donor's cornea is corresponding with the size of patient's keratopathy.Existing corneal trephine is fairly simple, is conventionally made up of body and cutter portion, and when with its excision donor's cornea redundance, there is no guiding parts, thereby cornea incisxal edge off plumb problem very easily occurs, thus impact healing.
Summary of the invention
For overcoming the problem having in prior art, the purpose of this utility model is to provide a kind of cornea automatic interceptor, during with the automatic interceptor drilling of this cornea cornea, cornea incisxal edge is comparatively vertical, and is difficult for cornea incisxal edge out of plumb occurs and affects the problem of wound healing.
For achieving the above object, the technical scheme that this practicality adopts is:
The automatic interceptor of cornea, comprise that one is the cutter hub of hollow cylindrical, the thickness of column of cutter hub reduces gradually from top to bottom and is formed with bottom the annular edge of a knife in post jamb, described cutter hub is installed on one end of a pressure handle, the other end axle of described pressure handle is connected in one end of a base, and on the other end of base, the position of corresponding pressure handle upper knife body is provided with one for placing the fixed bit of donor's cornea.
According to said structure, the top of cutter hub forms the first connecting portion, and on described pressure handle, corresponding the first connecting portion is provided with the second connecting portion coordinating with it.
According to said structure, the first connecting portion comprises a cylinder and is located at two projections on cylinder side, this two projection is located on the sustained height of cylinder side and is located on cylindrical same cross-sectional diameter, on described the second connecting portion, corresponding circle cylinder offers holding tank, and corresponding projection offers bayonet socket on the second connecting portion, on the second connecting portion, also offer the cannelure position that facilitates projection to rotate therein.
According to said structure, the area of fixed bit is greater than the required area occupied of donor's cornea.
Compared with conventional art, the beneficial effect that this utility model brings has:
Because the cutter hub installation in this utility model is connected on a pressure handle, pressure handle is connected with a datum axle again, on base, the position of corresponding cutter hub is provided with the fixed bit for placing donor's cornea, thereby in the time that donor's cornea is positioned on fixed bit, when pressing pressure handle when downward, be arranged on the i.e. vertical tangential donor's cornea of cutter hub on pressure handle, thereby operate more convenient, be difficult for causing because manually slipping up and waste donor's cornea, and this utility model application of force is convenient, donor's cornea to cut Edge vertical, be conducive to patient's healing.
accompanying drawing explanation:
Fig. 1 is the overall structure schematic diagram of the preferred embodiment of this utility model;
Fig. 2 is the side view of cutter hub in the preferred embodiment of this utility model;
Fig. 3 is the top view of cutter hub in the preferred embodiment of this utility model;
Fig. 4 is the upward view of the second connecting portion in the preferred embodiment of this utility model.
the specific embodiment:
As shown in Fig. 1 ~ 4, this utility model relates to the automatic interceptor of a kind of cornea, the automatic interceptor of this cornea includes: cutter hub 4, pressure handle 2 and base 1, cutter hub 4 is arranged on one end of pressure handle 2, the other end of pressure handle 2 is connected with one end axle of base 1, and the position of the corresponding cutter hub 4 of the other end of base 1 is provided with one for placing the fixed bit 5 of donor's cornea.The area of fixed bit 5 is greater than the required area occupied of donor's cornea.
Cutter hub 4 is hollow cylindrical, post jamb 42 thickness of cutter hub 4 reduce gradually from top to bottom and form bottom the annular edge of a knife 41 in post jamb 42, cutter hub 4 tops form the first connecting portion 43, described the first connecting portion 43 is one to form the cylinder of two projections 44 in side, and described two projections 44 are located on the sustained height of cylinder side and are positioned on cylindrical same cross-sectional diameter.
The first connecting portion 43 on the corresponding cutter hub 4 of pressure handle 2 forms the second connecting portion 3, the second connecting portion 3 centers offer a holding tank 33, this holding tank 33 is the cylinder setting on a round groove corresponding the first connecting portion 43, and correspondence offers two bayonet sockets 34 on the horizontal same diameter of holding tank 33 edges, the corresponding projection 44 of bayonet socket 34 is offered, the edge of holding tank 33 is also provided with cannelure position 30, and cannelure position 30 can hold projection and rotate therein.
From said structure, in the time using this utility model to excise donor's cornea, can select suitable large small-bore cutter hub 4 to be installed on pressure handle 2, on cutter hub 4 due to different caliber size, be equipped with the first connecting portion 43, and pressure handle 2 is provided with and can locates the second connecting portion 3 coordinating with the first connecting portion 43, after projection 44 on the first connecting portion 43 being aimed to the bayonet socket 34 of the second connecting portion 3, the first connecting portion 43 is inserted in the holding tank 33 of the second connecting portion 3, then rotate again the first connecting portion 43 and then make projection 44 be positioned at cannelure position 30, realize being connected of cutter hub 4 and pressure handle 2.Donor's cornea is put on the fixed bit 5 on base 1, thereby by pressure handle 2 in the time that the direction of base 1 is pressed, donor's cornea on the vertical tangential fixed bit 5 of cutter hub 4 meeting, thereby the unnecessary part of excision donor's cornea, so that the size of donor's cornea is corresponding with the size of patient's keratopathy.
This utility model is operating as conveniently, and being difficult for causing waste donor's cornea because of artificial error, and the application of force is convenient, donor's cornea to cut Edge vertical, be conducive to patient and heal.
Claims (2)
1. the automatic interceptor of cornea, is characterized in that: at least include:
One is the cutter hub of hollow cylindrical, the thickness of column of described cutter hub reduces gradually from top to bottom and is formed with bottom the annular edge of a knife in post jamb, the top of described each cutter hub all forms one first connecting portion, described the first connecting portion comprises a cylinder and takes shape in two projections on cylinder side, and this two projection is located on the sustained height of cylinder side and is positioned on cylindrical same cross-sectional diameter;
One pressure handle, one end of described pressure handle is provided with one second connecting portion, described the second connecting portion comprises a holding tank and two bayonet sockets, the cylinder of corresponding aforementioned the first connecting portion of holding tank is offered, two projections of corresponding aforementioned the first connecting portion of two bayonet sockets are offered, the second connecting portion also offers the cannelure position that facilitates projection to rotate therein in the edge of holding tank, cylinder on the first connecting portion and two projections are inserted in the holding tank and two bayonet sockets of the second connecting portion, rotating the first connecting portion makes two projections be positioned at cannelure position again, to realize the clamping of the first connecting portion and the second connecting portion,
And a base, one end axle that aforementioned pressure handle is not provided with the second connecting portion is connected on one end of base, and the position that on the other end of base, corresponding pressure handle upper knife body is installed is provided with one for placing the fixed bit of donor's cornea.
2. the automatic interceptor of cornea according to claim 1, is characterized in that: the area of described fixed bit is greater than the required area occupied of donor's cornea.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320607396.7U CN203693888U (en) | 2013-09-30 | 2013-09-30 | Automatic corneal cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320607396.7U CN203693888U (en) | 2013-09-30 | 2013-09-30 | Automatic corneal cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203693888U true CN203693888U (en) | 2014-07-09 |
Family
ID=51044400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320607396.7U Expired - Fee Related CN203693888U (en) | 2013-09-30 | 2013-09-30 | Automatic corneal cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203693888U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108309557A (en) * | 2018-03-29 | 2018-07-24 | 上海市同济医院 | A kind of reverse microporators of cornea |
| CN117122468A (en) * | 2023-08-14 | 2023-11-28 | 济南市明水眼科医院股份有限公司 | Cornea stroma lens ring producer |
-
2013
- 2013-09-30 CN CN201320607396.7U patent/CN203693888U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108309557A (en) * | 2018-03-29 | 2018-07-24 | 上海市同济医院 | A kind of reverse microporators of cornea |
| CN108309557B (en) * | 2018-03-29 | 2024-04-02 | 上海市同济医院 | Cornea reverse micropore making device |
| CN117122468A (en) * | 2023-08-14 | 2023-11-28 | 济南市明水眼科医院股份有限公司 | Cornea stroma lens ring producer |
| CN117122468B (en) * | 2023-08-14 | 2024-04-09 | 济南市明水眼科医院股份有限公司 | Cornea stroma lens ring producer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20150930 |
|
| EXPY | Termination of patent right or utility model |