CN219250285U - Blade replaceable double-hinge parallel traction eyelid retractor - Google Patents
Blade replaceable double-hinge parallel traction eyelid retractor Download PDFInfo
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- CN219250285U CN219250285U CN202223473102.4U CN202223473102U CN219250285U CN 219250285 U CN219250285 U CN 219250285U CN 202223473102 U CN202223473102 U CN 202223473102U CN 219250285 U CN219250285 U CN 219250285U
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- eyelid
- hinge
- retracting
- eyelid retractor
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Abstract
The utility model discloses a blade replaceable double-hinge parallel retracting eyelid retractor, which comprises: the eyelid knife blade comprises an eyelid knife blade, a knife blade supporting arm, a screw rod, V-shaped telescopic arm hinges, a driving block, a fixing block, a limit slide rail arranged on the knife blade supporting arm, wherein the driving block is sleeved in the middle of the screw rod; the structure of the utility model is designed according to the eyelid and periorbital outline of the patient, the exposure of the operation field is balanced, the compression to the eyeball is reduced to the maximum extent, and the knife She Linghuo can be replaced or selected to adapt to different operation requirements.
Description
Technical Field
The utility model relates to microsurgery surgical instruments, in particular to a blade-replaceable double-hinge parallel retracting eyelid retractor.
Background
Liebermann eyelid speculum and Barraqer eyelid speculum are the types of eyelid speculum that are currently in common use clinically. Barraquer eyelid retractor and Liebermann eyelid retractor have the defect that the surgical field of view is exposed in a triangle gradually narrowing way along the direction of the blade to the elastic tail end or the spiral hinge mechanism due to the mechanical design influence of the retraction structure.
Disclosure of Invention
The purpose of the utility model is that: the design of the blade replaceable double-hinge parallel retracting eyelid retractor is that the eyelid retractor is designed to conform to the outline of the eyelid and periorbital of a patient, can be adjusted and self-sustaining, has balanced exposure of the operation field, reduces the compression to the eyeball to the greatest extent, and the blade She Linghuo can be replaced or selected to adapt to different operation requirements.
The technical scheme of the utility model is as follows: a blade replaceable double-hinge parallel retractor comprising: eyelid blade, blade support arm, screw driven double hinge structure; a limit sliding rail is arranged on the blade supporting arm; the spiral driving double-hinge structure comprises a spiral rod, a V-shaped telescopic arm hinge, a driving block and a fixing block; the driving block is sleeved in the middle of the screw rod, the fixed block is arranged at the top end of the screw rod, two V-shaped telescopic arm hinges are oppositely or mirror symmetrically arranged on the fixed block and the driving block by taking the screw rod as a central shaft, two ends of each V-shaped telescopic arm hinge are respectively arranged on the driving block and the fixed block, one of the other two ends of each V-shaped telescopic arm hinge is arranged at the tail end of the blade supporting arm, the other one of the other two ends of each V-shaped telescopic arm hinge is arranged in a limiting sliding rail of the blade supporting arm, and the top end of the blade supporting arm is provided with an eyelid blade; the screw rod is rotated, the driving block drives a pair of support arms of the V-shaped telescopic arm hinge to move in the limiting slide rail of the cutter blade support arm, and the cutter blade support arm is opened or closed in parallel under the cooperation of the other pair of support arms of the V-shaped telescopic arm hinge.
Further, the eyelid blade has various forms, such as monofilament open loop, monofilament closed loop window and windowless plate.
Still further, the palpebral conjunctiva side and near fornix conjunctival sac detail of the palpebral knife blade is K, V and round.
When the eyelid blade is of a windowless design, a pair of short pile structures are respectively arranged on the skin surface details of the upper blade and the lower blade, so that the contact type vitreous cutting lens is convenient to fix, and self-holding is realized.
In a further design, when the eyelid blade is a monofilament type, the blade She Sizhuang is hollow, and a small hole is arranged towards the surface of the eye and connected with the suction catheter, so as to realize the suction type eyelid retractor.
Further, when the surgical instrument is used for lacrimal duct surgery, the tail end of the eyelid knife blade is a long tooth-shaped drag hook, so that deep tissues can be conveniently retracted.
Still further, the blade support arm is provided with a bend to fit the periorbital bones, thereby reducing the compression to the eyeball and realizing good self-holding.
The further design is that the outside of the blade supporting arm is provided with a suction catheter connected with the suction blade, so as to realize the function of the suction eyelid retractor.
Still further, the linking of the eyelid blade with the blade support arm is: fixed welding type, quick plug-in type and plug-in rotary shaft type.
Still further, the end of the screw rod is provided with a handle.
The utility model has the advantages that:
1. the structure is reasonable in design, and is suitable for ocular surface, inner eye surgery and lacrimal passage surgery, including but not limited to the surgery.
2. The spiral driving double-hinge structure is in mirror symmetry design, so that parallel eyelid opening or tissue retraction is realized, the ophthalmic microsurgery vision is symmetrically exposed, and eyeball compression is relieved to the maximum extent.
3. The eyelid blade has various forms, such as monofilament open loop, monofilament closed loop window and windowless plate, and good selectivity.
4. The conjunctival side, near fornix conjunctival sac detail of knife She Jian is K, V, circular, to accommodate different surgical, patient ocular anatomy requirements, and to accommodate different size options.
5. When the design is a windowless plate type design, the skin surface details of the upper blade and the lower blade are respectively provided with a pair of short pile structures, so that the contact type vitreous body cutting lens is convenient to fix, and self-holding is realized.
6. In the case of monofilament, the blade She Sizhuang is hollow, and has a small hole toward the eye surface and connected to the suction catheter, thereby realizing the suction eyelid retractor function.
7. When the utility model is used for lacrimal operation, the tail end of the knife blade is a long tooth-shaped drag hook, which is convenient for retracting deep tissues.
8. The blade support arm is provided with a bend to be attached to bones around the orbit, so that the compression on the eyeball is reduced, and good self-holding is realized.
9. The outside of the blade supporting arm is provided with a suction catheter connected with the suction blade to realize the function of the suction eyelid retractor.
10. The links of the cutter blade and the cutter blade supporting arm are as follows: fixed welding type, quick plug-in type and plug-in rotary shaft type; in the case of a quick plug-in type, the convenience of quickly replacing different blades is provided.
11. The screw rod is stably driven, and has good self-holding property and falling-off resistance.
12. The blade supporting arm is provided with a bend, and the blade is unfolded to be attached to the bones around the orbit, so that the blade is convenient to obtain support by virtue of a bony structure, and the eyeball is prevented from being pressed; simultaneously, the screw rod is folded towards the bones of the temporal part, so that false touch in a suspended state is avoided, and accidents such as falling off are avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is various aspects of the eyelid blade of FIG. 1;
in the figure: the eyelid cutter comprises a eyelid cutter blade, a cutter blade supporting arm 2, a screw driving double-hinge structure 3, a limit sliding rail 4, a screw rod 5, a telescopic arm hinge 6V, a driving block 7, a fixing block 8 and a handle 9.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1, a blade replaceable double-hinge parallel retracting eyelid retractor comprising: eyelid blade 1, blade support arm 2, screw driven double hinge structure 3; a limiting slide rail 4 is arranged on the blade support arm 2; the screw driving double-hinge structure 3 comprises a screw rod 5, a V-shaped telescopic arm hinge 6, a driving block 7 and a fixing block 8; the driving block 7 is sleeved in the middle of the screw rod 5, the fixed block 8 is arranged at the top end of the screw rod 5, two V-shaped telescopic arm hinges 6 are oppositely or mirror symmetrically arranged on the fixed block 8 and the driving block 7 by taking the screw rod 5 as a central axis, two ends of the V-shaped telescopic arm hinges 6 are respectively arranged on the driving block 7 and the fixed block 8, one of the other ends of the V-shaped telescopic arm hinges 6 is arranged at the tail end of the cutter blade supporting arm 2, the other one of the other ends of the V-shaped telescopic arm hinges 6 is arranged in the limiting sliding rail 4 of the cutter blade supporting arm 2, and the eyelid cutter blade 1 is arranged at the top end of the cutter blade supporting arm 2; the screw rod 5 is rotated, the driving block 7 drives a pair of support arms of the V-shaped telescopic arm hinge 6 to move in the limiting slide rail 4 of the cutter blade support arm 2, and the cutter blade support arm 2 is opened or closed in parallel under the cooperation of the other pair of support arms of the V-shaped telescopic arm hinge 6.
As shown in fig. 2, the eyelid blade 1 has various shapes, such as a monofilament open loop, a monofilament closed loop window, and a windowless plate.
Further, the palpebral conjunctiva side and near fornix conjunctival sac detail of the palpebral knife blade 1 is K, V and round.
When the eyelid blade is of a windowless design, a pair of short pile structures are respectively arranged on the skin surface details of the upper blade and the lower blade, so that the contact type vitreous cutting lens is convenient to fix, and self-holding is realized.
In a further design, when the eyelid blade is a monofilament type, the blade She Sizhuang is hollow, and a small hole is arranged towards the surface of the eye and connected with the suction catheter, so as to realize the suction type eyelid retractor.
Further, when the surgical instrument is used for lacrimal duct surgery, the tail end of the eyelid knife blade is a long tooth-shaped drag hook, so that deep tissues can be conveniently retracted.
Still further, the blade support arm 2 is provided with a bend to fit the periorbital bones, thereby reducing the compression to the eyeball and realizing good self-holding.
The further design is that the outside of the blade supporting arm 2 is provided with a suction catheter connected with the suction blade, so as to realize the function of the suction eyelid retractor.
Still further, the linking of the eyelid blade 1 and the blade support arm 2 is: fixed welding type, quick plug-in type and plug-in rotary shaft type.
A further design is that the end of the screw rod 5 is provided with a handle 9.
As shown in fig. 1 and 2, the surgical procedure is as follows: selecting an eyelid cutter blade 1 according to the type of operation, and mounting the eyelid cutter blade 1 on the cutter blade support arm 2; during operation, the screw rod 5 is rotated, the driving block 7 drives a pair of support arms of the V-shaped telescopic arm hinge 6 to move in the limiting slide rail 4 of the knife blade support arm 2, and under the cooperation of the other pair of support arms of the V-shaped telescopic arm hinge 6, the parallel opening or closing of the knife blade support arm 2 is realized, and the eyelid knife blade 1 is correspondingly opened or closed.
Claims (10)
1. Blade replaceable double-hinge parallel retracting eyelid retractor, characterized in that it comprises: eyelid blade (1), blade support arm (2), screw drive double hinge structure (3); a limit sliding rail (4) is arranged on the blade supporting arm (2); the screw driving double-hinge structure (3) comprises a screw rod (5), a V-shaped telescopic arm hinge (6), a driving block (7) and a fixing block (8); the driving block (7) is sleeved in the middle of the screw rod (5), the fixing block (8) is arranged at the top end of the screw rod (5), two V-shaped telescopic arm hinges (6) are arranged on the fixing block (8) and the driving block (7) in opposite directions or mirror symmetry by taking the screw rod (5) as a center shaft, two ends of each V-shaped telescopic arm hinge (6) are respectively arranged on the driving block (7) and the fixing block (8), one of the other ends of each V-shaped telescopic arm hinge (6) is arranged at the tail end of the cutter blade supporting arm (2), the other one of the other ends of each V-shaped telescopic arm hinge (6) is arranged in a limiting sliding rail (4) of the cutter blade supporting arm (2), and an eyelid cutter blade (1) is arranged at the top end of the cutter blade supporting arm (2); the screw rod (5) is rotated, the driving block (7) drives a pair of support arms of the V-shaped telescopic arm hinge (6) to move in the limiting slide rail (4) of the blade support arm (2), and the blade support arm (2) is opened or closed in parallel under the cooperation of the other pair of support arms of the V-shaped telescopic arm hinge (6).
2. The blade replaceable double-hinge parallel retracting eyelid retractor of claim 1, wherein: the palpebral conjunctiva side and near fornix conjunctival sac detail of the palpebral knife blade (1) is K, V and round.
3. The blade replaceable double-hinge parallel retracting eyelid retractor of claim 1, wherein: the eyelid blade (1) has various forms, including a monofilament open loop, a monofilament closed loop window and a windowless plate.
4. The blade-replaceable double-hinge parallel-retracting eyelid retractor of claim 3, wherein: when the eyelid knife blade is of a windowless plate type design, a pair of short pile structures are respectively arranged on the skin surface details of the upper knife blade and the lower knife blade, so that the contact type vitreous body cutting lens is convenient to fix, and self-holding is realized.
5. The blade-replaceable double-hinge parallel-retracting eyelid retractor of claim 3, wherein: when the eyelid blade is a monofilament type, the blade She Sizhuang is hollow in structure, and a small hole is arranged towards the eye surface and connected with the suction catheter, so that the suction eyelid speculum is realized.
6. The blade-replaceable double-hinge parallel-retracting eyelid retractor of claim 3, wherein: when the utility model is used for lacrimal passage operation, the tail end of the eyelid knife blade is a long tooth-shaped drag hook, which is convenient for retracting deep tissues.
7. The blade replaceable double-hinge parallel retracting eyelid retractor of claim 1, wherein: the blade supporting arm (2) is provided with a bend to be attached to bones around the orbit, so that the compression on the eyeball is reduced, and the self-holding is realized.
8. The blade replaceable double-hinge parallel retracting eyelid retractor of claim 1, wherein: the outside of the blade supporting arm (2) is provided with a suction catheter which is connected with the suction blade, thus realizing the function of the suction eyelid retractor.
9. The blade replaceable double-hinge parallel retracting eyelid retractor of claim 1, wherein: the linking of the eyelid knife blade (1) and the knife blade supporting arm (2) is as follows: fixed welding type, quick plug-in type and plug-in rotary shaft type.
10. The blade replaceable double-hinge parallel retracting eyelid retractor of claim 1, wherein: the tail end of the screw rod (5) is provided with a handle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223473102.4U CN219250285U (en) | 2022-12-26 | 2022-12-26 | Blade replaceable double-hinge parallel traction eyelid retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223473102.4U CN219250285U (en) | 2022-12-26 | 2022-12-26 | Blade replaceable double-hinge parallel traction eyelid retractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219250285U true CN219250285U (en) | 2023-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223473102.4U Active CN219250285U (en) | 2022-12-26 | 2022-12-26 | Blade replaceable double-hinge parallel traction eyelid retractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219250285U (en) |
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2022
- 2022-12-26 CN CN202223473102.4U patent/CN219250285U/en active Active
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