CN219847057U - Cornea center positioning marking device - Google Patents
Cornea center positioning marking device Download PDFInfo
- Publication number
- CN219847057U CN219847057U CN202320189911.8U CN202320189911U CN219847057U CN 219847057 U CN219847057 U CN 219847057U CN 202320189911 U CN202320189911 U CN 202320189911U CN 219847057 U CN219847057 U CN 219847057U
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- China
- Prior art keywords
- fixedly connected
- cornea
- fixed plate
- marking device
- center positioning
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- 210000004087 cornea Anatomy 0.000 claims abstract description 27
- 230000002457 bidirectional effect Effects 0.000 claims description 19
- 238000002372 labelling Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 210000001044 sensory neuron Anatomy 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Abstract
The utility model discloses a cornea center positioning marking device, which is characterized in that a fixing plate comprises: the upper side of fixed plate is provided with annotates the unit, the middle part fixedly connected with center piece of fixed plate front side, annotate the unit and include spout one, spout one is seted up in the upside of fixed plate, the equal sliding connection of the inboard of spout one left and right sides has the slider, the upside fixedly connected with movable block of slider, the equal fixedly connected with stopper of upside at both ends about the fixed plate, two rotate between the stopper and be connected with two-way screw rod. Through being provided with bi-directional screw, movable block, slider and parallel plate, the parallel plate of the medical staff's of being convenient for quick control both sides is fixed a position the upper and lower edge of cornea, and the center of convenient medical staff to the cornea is fixed a position to spacing through bi-directional screw makes the operation that the cornea center was fixed a position simple, reduces medical staff's work load.
Description
Technical Field
The utility model relates to the field of ophthalmic surgery, in particular to a cornea center positioning marking device.
Background
A transparent part of the front part of the outer layer of the eyeball wall. Is circular, occupies one sixth of the outer layer area, is about 1 mm thick, and is mainly composed of avascular connective tissue. The front is slightly convex and is bent like a sphere, and has a refraction effect. The cornea contains abundant sensory nerve endings, and any minor irritation, injury or inflammation can cause pain and tear. When the ophthalmic cornea operation is performed, the center of the cornea is required to be positioned, and the positioned center is marked, so that the subsequent ophthalmic cornea operation is convenient to perform.
Through retrieving, the application number is "202220621716.3", provides cornea location mark device to the central point of main scale 2 is 0, and the central both sides of main scale 2 are equivalent symmetrical numerical value, and when using, with parallel plate 5 parallel to patient's cornea upper and lower limbus, when two parallel plates 5 are tangent with the limbus of both sides about the patient, the point of limbus that the scale central point corresponds is symmetrical point, marks for horizontal 0, thereby is convenient for medical staff marks the cornea of patient, main scale 2 is equipped with the locating part 10 of detachable connection, works as when locating part 10 install in main scale 2, locating part 10 with first spout 4 at least part overlaps. Fig. 1 to 4 each show a schematic structure of a stop member 10, which stop member 10 is preferably a bolt or a screw, the end of which, when the stop member 10 is mounted, is located in the first chute 4.
Although the center of the cornea is marked by the parallel plates at the two sides, when the cornea is positioned, medical staff is required to move the parallel plates at the two sides, and the moving parallel plates are limited by using bolts or screws, so that the operation steps are more, and the workload of the medical staff is increased.
Disclosure of Invention
In order to overcome the defect of troublesome operation for positioning the center of the cornea in the prior art, one of the purposes of the utility model is to provide a cornea center positioning marking device. The marking unit is arranged to conveniently position the center of the cornea, so that the operation is simple, and the workload of medical staff is reduced.
One of the purposes of the utility model is realized by adopting the following technical scheme:
cornea center positioning marking device, its characterized in that fixed plate includes: the upper side of the fixed plate is provided with a marking unit, and the middle part of the front side of the fixed plate is fixedly connected with a center block;
the marking unit comprises a first chute, the first chute is arranged on the upper side of a fixed plate, sliding blocks are connected to the inner sides of the left side and the right side of the first chute in a sliding mode, moving blocks are fixedly connected to the upper sides of the sliding blocks, limiting blocks are fixedly connected to the upper sides of the left end and the right end of the fixed plate in a sliding mode, two bidirectional screws are connected between the limiting blocks in a rotating mode, a second chute is arranged on the front side of the fixed plate, and parallel plates are fixedly connected to the front sides of the sliding blocks.
According to the cornea center positioning marking device, the two ends of the bidirectional screw are provided with positive and negative threads, and the two ends of the bidirectional screw are respectively in threaded connection with the left and right moving blocks. The moving blocks on the two sides are convenient to control to move in opposite directions.
According to the cornea center positioning marking device, the right end of the bidirectional screw rod penetrates through the limiting block and is fixedly connected with the control rod, and the right end of the control rod is fixedly connected with the turntable. And the bidirectional screw rod is convenient to control to rotate.
According to the cornea center positioning marking device, a rotating handle is fixedly connected to the outer side of the rotating disc. The turntable is convenient to control to rotate.
According to the cornea center positioning marking device, the upper side of the fixing plate is provided with scale marks. The medical staff can observe the distance between the two parallel plates conveniently.
According to the cornea center positioning marking device, a handle is fixedly connected to the middle of the upper side of the fixing plate, and a rubber sleeve is sleeved on the outer side of the handle. The medical staff can hold the fixing plate conveniently.
According to the cornea center positioning marking device, an indication block is fixedly connected to the upper side of the parallel plate and is in an L-shaped structure. The numerical value of the scale mark is convenient to observe.
The scheme has the beneficial effects that:
through being provided with bi-directional screw, movable block, slider and parallel plate, the parallel plate of the medical staff's of being convenient for quick control both sides is fixed a position the upper and lower edge of cornea, and the center of convenient medical staff to the cornea is fixed a position to spacing through bi-directional screw makes the operation that the cornea center was fixed a position simple, reduces medical staff's work load.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a perspective view showing the whole structure of the cornea center positioning marking device of the present utility model;
FIG. 2 is a top view of the cornea centering marking apparatus of the present utility model;
FIG. 3 is an enlarged view of FIG. 1 at A;
FIG. 4 is an elevation view of the corneal centering marking device of the present utility model.
Legend description:
1. a fixing plate; 2. a handle; 3. a labeling unit; 301. a moving block; 302. a bidirectional screw; 303. a slide block; 304. a first chute; 305. a parallel plate; 306. a second chute; 307. a control lever; 308. a turntable; 309. a rotating handle; 310. a limiting block; 311. an indication block; 4. scale marks; 5. and a center block.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-4, a cornea center positioning marking device according to an embodiment of the present utility model is characterized in that a fixing plate 1 includes: the upside of fixed plate 1 is provided with annotates unit 3, and the middle part of fixed plate 1 front side fixedly connected with center piece 5, and center piece 5 is "0" scale, and the left and right sides of center piece 5 is even scale, makes things convenient for the position of observing parallel plate 305.
The labeling unit 3 comprises a first chute 304, the first chute 304 is arranged on the upper side of the fixed plate 1, the inner sides of the left side and the right side of the first chute 304 are both connected with a sliding block 303 in a sliding way, the upper side of the sliding block 303 is fixedly connected with a moving block 301, the upper sides of the left side and the right side of the fixed plate 1 are both fixedly connected with a limiting block 310, a bidirectional screw rod 302 is rotationally connected between the two limiting blocks 310, the front side of the fixed plate 1 is provided with a second chute 306, the front side of the sliding block 303 is fixedly connected with a parallel plate 305, the two ends of the bidirectional screw rod 302 are provided with positive and negative threads, the two ends of the bidirectional screw rod 302 are respectively connected with the moving blocks 301 on the left side and the right side in a threaded way, the right end of the bidirectional screw rod 302 penetrates through the limiting block 310 and is fixedly connected with a control rod 307, the right end of the control rod 307 is fixedly connected with a rotary table 308, the outer side of the rotary table 308 is fixedly connected with a rotating handle 309, when in use, medical staff holds the handle 2, and then the parallel plates 305 on the left side and the right side are parallel with the upper edge and the lower edge of a cornea, then rotating the rotating handle 309, the rotating handle 309 drives the rotating disc 308 to rotate, the rotating disc 308 drives the control rod 307 to rotate, the control rod 307 drives the bidirectional screw rod 302 to rotate, the bidirectional screw rod 302 drives the moving blocks 301 on the left side and the right side to move in opposite directions, the moving blocks 301 drive the sliding blocks 303 to move, the sliding blocks 303 drive the parallel plates 305 in the sliding grooves II 306 to move, the parallel plates 305 on the left side and the right side are tangential to the upper edge and the lower edge of the cornea, the numerical values on the two sides of the fixed plate 1 are equivalent, the point of the limbus corresponding to the center point of the scale line 4 is a symmetrical point, the point is recorded as horizontal 0 DEG, the medical staff can conveniently position the center point of the cornea, mark the center point of the cornea is conveniently positioned by the parallel plates 305 on the two sides under the control of the bidirectional screw rod 302, the operation of the center positioning of the cornea is simple, the workload of the medical staff is reduced, the medical staff is conveniently connected with the moving blocks 301 by threads, the parallel plate 305 on the sliding block 303 is convenient to limit, and the influence of the movement of the parallel plate 305 on the positioning accuracy is avoided.
The upper side of fixed plate 1 is provided with scale mark 4, and the upside fixedly connected with of parallel plate 305 instructs piece 311, and instructs piece 311 to be L shape structure setting, the parallel plate 305 distance from the central point of being convenient for observe.
The middle part fixedly connected with handle 2 of fixed plate 1 upside, and the outside cover of handle 2 is equipped with the rubber sleeve, plays skid-proof effect.
Working principle: when the cornea marking device is used, medical staff holds the handle 2 to enable the fixed plate 1 to be lifted, then the parallel plates 305 on the left side and the right side are parallel to the upper edge and the lower edge of the cornea, then the rotating handle 309 is rotated, the rotating handle 309 drives the rotating disc 308 to rotate, the rotating disc 308 drives the bidirectional screw 302 to rotate, the bidirectional screw 302 drives the parallel plates 305 on the left side and the right side to approach the upper edge and the lower edge of the cornea, when the parallel plates 305 are tangential to the upper edge and the lower edge of the cornea, the parallel plates are positioned with the center block 5 through the scale mark 4, the cornea is convenient to mark by the medical staff, and the operation is simple.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (7)
1. Cornea center positioning marking device, which is characterized in that a fixed plate (1) comprises: the upper side of the fixed plate (1) is provided with a marking unit (3), and the middle part of the front side of the fixed plate (1) is fixedly connected with a center block (5);
the marking unit (3) comprises a first chute (304), the first chute (304) is arranged on the upper side of the fixed plate (1), sliding blocks (303) are slidably connected to the inner sides of the left side and the right side of the first chute (304), moving blocks (301) are fixedly connected to the upper sides of the sliding blocks (303), limiting blocks (310) are fixedly connected to the upper sides of the left side and the right side of the fixed plate (1), two bidirectional screws (302) are rotatably connected between the limiting blocks (310), a second chute (306) is arranged on the front side of the fixed plate (1), and parallel plates (305) are fixedly connected to the front side of the sliding blocks (303).
2. The cornea center positioning marking device according to claim 1, wherein both ends of the bidirectional screw rod (302) are provided with positive and negative threads, and both ends of the bidirectional screw rod (302) are respectively in threaded connection with the left and right moving blocks (301).
3. The cornea center positioning marking device according to claim 1, wherein the right end of the bidirectional screw rod (302) passes through the limiting block (310) and is fixedly connected with the control rod (307), and the right end of the control rod (307) is fixedly connected with the turntable (308).
4. A cornea centering marking apparatus as claimed in claim 3, characterised in that a handle (309) is fixedly connected to the outside of the turntable (308).
5. The cornea center positioning marking device according to claim 1, wherein the upper side of the fixing plate (1) is provided with graduation marks (4).
6. The cornea center positioning marking device according to claim 1, wherein a handle (2) is fixedly connected to the middle part of the upper side of the fixing plate (1), and a rubber sleeve is sleeved on the outer side of the handle (2).
7. The cornea center positioning and labeling device according to claim 1, wherein an indication block (311) is fixedly connected to the upper side of the parallel plate (305), and the indication block (311) is provided in an L-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320189911.8U CN219847057U (en) | 2023-02-13 | 2023-02-13 | Cornea center positioning marking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320189911.8U CN219847057U (en) | 2023-02-13 | 2023-02-13 | Cornea center positioning marking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219847057U true CN219847057U (en) | 2023-10-20 |
Family
ID=88331836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320189911.8U Active CN219847057U (en) | 2023-02-13 | 2023-02-13 | Cornea center positioning marking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219847057U (en) |
-
2023
- 2023-02-13 CN CN202320189911.8U patent/CN219847057U/en active Active
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