CN219021672U - Medical eyelid retractor with adjustable eye fissure width for rodents - Google Patents
Medical eyelid retractor with adjustable eye fissure width for rodents Download PDFInfo
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- CN219021672U CN219021672U CN202222791577.1U CN202222791577U CN219021672U CN 219021672 U CN219021672 U CN 219021672U CN 202222791577 U CN202222791577 U CN 202222791577U CN 219021672 U CN219021672 U CN 219021672U
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Abstract
The utility model discloses a rodent medical eyelid retractor with adjustable eye-break width, which comprises an upper stretching part and a lower stretching part, and is characterized in that: the upper supporting part and the lower supporting part are respectively arranged on the upper cross rod and the lower cross rod, the lower cross rod is fixed between the left connecting rod and the right connecting rod, and the upper cross rod can be vertically moved and adjusted to be arranged between the left connecting rod and the right connecting rod; the upper opening part comprises a first hook body and a second hook body which are distributed left and right, the first hook body can be moved left and right to be adjusted on the upper cross rod, the second hook body is fixed on the upper cross rod, the first hook body and the second hook body are both positioned on the lower side of the upper cross rod, the hook opening is upward, the lower opening part comprises a third hook body and a fourth hook body which are distributed left and right, the third hook body can be moved left and right to be adjusted on the lower cross rod, the fourth hook body is fixed on the lower cross rod, the third hook body and the fourth hook body are both positioned on the upper side of the lower cross rod, and the hook opening is downward. The utility model has adjustable eye crack width and can increase the adaptation degree of the eyeballs of rodents.
Description
Technical Field
The utility model relates to an improved utility model in the field of experimental animal medical eyelid openers, in particular to an improved utility model of a rodent medical eyelid opener with adjustable eye-break width.
Background
The eye speculum commonly used at present is mainly applied to human eye surgery, so that the hook body depth and the eye fissure width of the eye speculum are used for upper and lower eyelids of human eyeballs. In the experimental process of rodents, human or infant eyelid speculum is often used, but the depth of the hook body and the width of the eye fissure are too large, the width of the eye fissure is fixed and not adjustable, and the eye speculum is not suitable for relatively smaller rodents.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the rodent medical eyelid retractor with simple operation and strong practicability and adjustable eye-cleavage width.
In order to solve the technical problems, the utility model is realized by adopting the following technical scheme: the rodent medical eyelid retractor with the adjustable eye cracking width comprises an upper stretching part and a lower stretching part which are mutually matched to stretch the upper eyelid and the lower eyelid, and is characterized in that: the upper supporting part and the lower supporting part are respectively arranged on the upper cross rod and the lower cross rod, the lower cross rod is fixed between the left connecting rod and the right connecting rod, and the upper cross rod can be vertically moved and adjusted to be arranged between the left connecting rod and the right connecting rod; the upper opening part comprises a first hook body and a second hook body which are distributed left and right, the first hook body can be moved left and right to be adjusted on the upper cross rod, the second hook body is fixed on the upper cross rod, the first hook body and the second hook body are both positioned on the lower side of the upper cross rod, the hook opening is upward, the lower opening part comprises a third hook body and a fourth hook body which are distributed left and right, the third hook body can be moved left and right to be adjusted on the lower cross rod, the fourth hook body is fixed on the lower cross rod, the third hook body and the fourth hook body are both positioned on the upper side of the lower cross rod, and the hook opening is downward.
The two ends of the upper cross rod are respectively connected with a left sliding block and a right sliding block, the left sliding block can move up and down, is sleeved on the left connecting rod and is provided with a left locking structure, and the right sliding block can move up and down, is sleeved on the right connecting rod and is provided with a right locking structure.
And the upper ends of the left connecting rod and the right connecting rod are respectively provided with a sliding block limiting structure.
The first hook body is connected to the upper sliding block, and the upper sliding block can move left and right to adjust and is sleeved on the upper cross rod and is provided with an upper locking structure.
The upper slider is threaded and is provided with an upper adjusting screw in a penetrating way, two ends of the upper adjusting screw are respectively rotatably arranged on the left slider and the right slider in a penetrating way, and an upper adjusting wheel is arranged at any one end of the upper adjusting screw.
The third hook body is connected to the lower slider, and the lower slider can move left and right, is sleeved on the lower cross rod and is provided with a lower locking structure.
The lower slider is threaded and is provided with a lower adjusting screw in a penetrating way, two ends of the lower adjusting screw are respectively rotatably arranged on the left connecting rod and the right connecting rod in a penetrating way, and a lower adjusting wheel is arranged at any one end of the lower adjusting screw.
The hook tips of the first hook body, the second hook body, the third hook body and the fourth hook body are all connected with a ball head or sleeved with a rubber sleeve.
The hook depth of the first hook body, the second hook body, the third hook body and the fourth hook body is 5mm.
The improved rodent medical eyelid retractor with the adjustable eye-breaking width has the advantages that the stability of the eyelid retractor is improved by changing the depth of the hook body, the eye-breaking width is adjustable, the problems are solved, the operation efficiency of experimental operators is improved, the number of experimental assistants and actions irrelevant to core operation content is reduced, the time is saved, the adaptability and the flexibility of the eyelid retractor are improved, and therefore the eyelid retractor is simple to operate, fully exposes an operation field, has strong practicability and can be better applied to experimental operation of rodent eyeballs.
Drawings
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a block diagram of the additional adjusting screw of the present utility model.
Detailed Description
The drawings illustrate the structure of the present utility model, and details thereof are further described below with reference to the drawings. In the embodiment, the rodent medical eyelid retractor with the adjustable eye-cleavage width comprises an upper stretching part and a lower stretching part which are mutually matched to stretch an upper eyelid and a lower eyelid, wherein the upper stretching part and the lower stretching part are respectively arranged on an upper cross rod 1 and a lower cross rod 2, the lower cross rod 2 is fixed between a left connecting rod 3 and a right connecting rod 4, and the upper cross rod 1 can be arranged between the left connecting rod 3 and the right connecting rod 4 in a vertically movable and adjustable way; the upper opening part comprises a first hook body 5 and a second hook body 6 which are distributed left and right, the first hook body 5 can be moved and adjusted left and right to be arranged on the upper cross rod 1, the second hook body 6 is fixed on the upper cross rod 1, the first hook body 5 and the second hook body 6 are both positioned on the lower side of the upper cross rod 1, the hook opening is upward, the lower opening part comprises a third hook body 7 and a fourth hook body 8 which are distributed left and right, the third hook body 7 can be moved and adjusted left and right to be arranged on the lower cross rod 2, the fourth hook body 8 is fixed on the lower cross rod 2, the third hook body 7 and the fourth hook body 8 are both positioned on the upper side of the lower cross rod 2, and the hook opening is downward.
According to the working principle of the utility model, the first hook body 5 and the second hook body 6 are arranged in the upper eyelid of a rodent, the first hook body 5 is adjusted to slide on the upper cross rod 1 to prop open and fully expose the upper eyelid and eyeball of the rodent, the first hook body 5 is fixed, the third hook body 7 and the fourth hook body 8 are arranged in the lower eyelid of the rodent, the third hook body 7 is adjusted to slide on the lower cross rod 2 to prop open and fully expose the lower eyelid and eyeball of the rodent, the third hook body 7 is fixed, the purpose is to fully reach the inner canthus and the outer canthus of the rodent, finally the upper cross rod 1 is adjusted to slide on the left connecting rod 3 and the right connecting rod 4, the distance between the upper cross rod 1 and the lower cross rod 2 is increased, and the upper cross rod 1 is fixed, so that the purpose of eyelid opening is realized.
As a further improved specific embodiment, two ends of the upper cross bar 1 are respectively connected with a left slider 9 and a right slider 10, the left slider 9 can be vertically moved and adjusted to be sleeved on the left connecting rod 3, is provided with a left locking structure 11, the right slider 10 can be vertically moved and adjusted to be sleeved on the right connecting rod 4, is provided with a right locking structure 12, wherein the left locking structure 11 and the right locking structure 12 are both preferably locking screws, and the locking screws are in threaded connection with the corresponding sliders and are in locking fit with the corresponding connecting rods.
As a further improved specific embodiment, the upper ends of the left connecting rod 3 and the right connecting rod 4 are respectively provided with a sliding block limiting structure 13, and the sliding block limiting structures 13 are preferably limiting cylinders for limiting the upward movement range of the upper cross rod 1.
As a further improved specific embodiment, the first hook 5 is connected to the upper slider 14, the upper slider 14 is sleeved on the upper cross bar 1 and capable of moving left and right, and is provided with an upper locking structure 15, the upper locking structure 15 is preferably a locking screw, and the locking screw is threaded on the upper slider 14 and is in locking fit with the upper cross bar 1.
As a further improved specific embodiment, the upper slider 14 is threaded with an upper adjusting screw 16, two ends of the upper adjusting screw 16 are respectively rotatably arranged on the left slider 9 and the right slider 10, and an upper adjusting wheel 17 is arranged at any end. When the device works, the upper adjusting wheel 17 is rotated to drive the upper adjusting screw 16 to rotate, so that the upper sliding block 14 is driven to move left and right along the upper cross rod 1, and the adjusting stability is improved.
As a further improved specific embodiment, the third hook 7 is connected to the lower slider 18, the lower slider 18 is movably sleeved on the lower cross bar 2, and is provided with a lower locking structure 19, the lower locking structure 19 is preferably a locking screw, and the locking screw is threaded on the lower slider 18 and is in locking fit with the lower cross bar 2.
As a further improved embodiment, the lower slider 18 is threaded with a lower adjusting screw 20, two ends of the lower adjusting screw 20 are respectively rotatably arranged on the left connecting rod 3 and the right connecting rod 4, and a lower adjusting wheel 21 is arranged at either end. During operation, the lower adjusting wheel 21 is rotated to drive the lower adjusting screw 20 to rotate, so that the lower slider 18 is driven to move left and right along the lower cross bar 2, and the adjusting stability is improved.
As a further improved specific embodiment, the hook tips of the first hook body 5, the second hook body 6, the third hook body 7 and the fourth hook body 8 are respectively connected with a ball head or sleeved with a rubber sleeve for passivating the hook tip and avoiding the eyelid from being injured by the hook.
As a further improved embodiment, the first hook body 5, the second hook body 6, the third hook body 7 and the fourth hook body 8 have a hook depth of 5mm, and are adapted to a relatively smaller rodent eyeball.
In summary, the above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. The utility model provides an eye splits medical eyelid retractor of width adjustable rodent, includes upper and lower expansion portion that mutually support and expand upper eyelid and lower eyelid, its characterized in that: the upper supporting part and the lower supporting part are respectively arranged on the upper cross rod and the lower cross rod, the lower cross rod is fixed between the left connecting rod and the right connecting rod, and the upper cross rod can be vertically moved and adjusted to be arranged between the left connecting rod and the right connecting rod; the upper opening part comprises a first hook body and a second hook body which are distributed left and right, the first hook body can be moved left and right to be adjusted on the upper cross rod, the second hook body is fixed on the upper cross rod, the first hook body and the second hook body are both positioned on the lower side of the upper cross rod, the hook opening is upward, the lower opening part comprises a third hook body and a fourth hook body which are distributed left and right, the third hook body can be moved left and right to be adjusted on the lower cross rod, the fourth hook body is fixed on the lower cross rod, the third hook body and the fourth hook body are both positioned on the upper side of the lower cross rod, and the hook opening is downward.
2. The adjustable width rodent medical use eyelid retractor of claim 1, wherein: the two ends of the upper cross rod are respectively connected with a left sliding block and a right sliding block, the left sliding block can move up and down, is sleeved on the left connecting rod and is provided with a left locking structure, and the right sliding block can move up and down, is sleeved on the right connecting rod and is provided with a right locking structure.
3. The adjustable width rodent medical use eyelid retractor of claim 2, wherein: and the upper ends of the left connecting rod and the right connecting rod are respectively provided with a sliding block limiting structure.
4. The adjustable width rodent medical use eyelid retractor of claim 2, wherein: the first hook body is connected to the upper sliding block, and the upper sliding block can move left and right to adjust and is sleeved on the upper cross rod and is provided with an upper locking structure.
5. The adjustable width rodent medical use eyelid retractor of claim 4, wherein: the upper slider is threaded and is provided with an upper adjusting screw in a penetrating way, two ends of the upper adjusting screw are respectively rotatably arranged on the left slider and the right slider in a penetrating way, and an upper adjusting wheel is arranged at any one end of the upper adjusting screw.
6. The adjustable width rodent medical use eyelid retractor of claim 1, wherein: the third hook body is connected to the lower slider, and the lower slider can move left and right, is sleeved on the lower cross rod and is provided with a lower locking structure.
7. The adjustable width rodent medical use eyelid retractor of claim 6, wherein: the lower slider is threaded and is provided with a lower adjusting screw in a penetrating way, two ends of the lower adjusting screw are respectively rotatably arranged on the left connecting rod and the right connecting rod in a penetrating way, and a lower adjusting wheel is arranged at any one end of the lower adjusting screw.
8. The adjustable width rodent medical use eyelid retractor of any one of claims 1-7, wherein: the hook tips of the first hook body, the second hook body, the third hook body and the fourth hook body are all connected with a ball head or sleeved with a rubber sleeve.
9. The adjustable width rodent medical use eyelid retractor of any one of claims 1-7, wherein: the hook depth of the first hook body, the second hook body, the third hook body and the fourth hook body is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222791577.1U CN219021672U (en) | 2022-10-24 | 2022-10-24 | Medical eyelid retractor with adjustable eye fissure width for rodents |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222791577.1U CN219021672U (en) | 2022-10-24 | 2022-10-24 | Medical eyelid retractor with adjustable eye fissure width for rodents |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219021672U true CN219021672U (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222791577.1U Active CN219021672U (en) | 2022-10-24 | 2022-10-24 | Medical eyelid retractor with adjustable eye fissure width for rodents |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219021672U (en) |
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2022
- 2022-10-24 CN CN202222791577.1U patent/CN219021672U/en active Active
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