CN111920463B - Single-rod translation type eyelid retractor for ophthalmic surgery - Google Patents
Single-rod translation type eyelid retractor for ophthalmic surgery Download PDFInfo
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- CN111920463B CN111920463B CN202010808910.8A CN202010808910A CN111920463B CN 111920463 B CN111920463 B CN 111920463B CN 202010808910 A CN202010808910 A CN 202010808910A CN 111920463 B CN111920463 B CN 111920463B
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- rod body
- pressing block
- main rod
- fixed
- supporting arm
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0231—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for eye surgery
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Ophthalmology & Optometry (AREA)
- Heart & Thoracic Surgery (AREA)
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Abstract
The invention discloses a single-rod translation type eyelid retractor for ophthalmologic operation, which comprises a main rod body, wherein a left supporting arm is fixed at the left end of the main rod body, and a baffle is fixed at the front end of the left supporting arm; the middle part shaping of the body of rod has vertical microscler to lead to the groove, and lower compact heap is in the below of the body of rod, and the top surface middle part shaping of lower compact heap has the spiro union cover, and spiro union cover plug bush is in vertical microscler to lead to the groove, goes up compact heap press on the top surface of the body of rod, and the middle part of going up the compact heap has central through-hole, and the locking screw bolt plug bush is in central through-hole and vertical microscler logical groove, and the locking screw bolt joint is in the spiro union cover, and the top of locking screw stretches out the compact heap and is fixed with rotation portion. The invention adopts a single main rod body structure, and the right supporting arm is a moving arm which can ensure to move along the main rod body, has stable moving position and ensures that the right supporting arm can not rotate and corresponds to the left supporting arm.
Description
Technical Field
The invention relates to the technical field of surgical medical instrument processing equipment, in particular to a single-rod translation type eyelid retractor for ophthalmic surgery.
Background
All need use the eye speculum among the current eye operation to guarantee can normally operate to eyes, and it adopts the double-rod body structure of current translation formula eye speculum, can not produce the rotatory problem of moving arm in order to guarantee that the moving arm can remove along the body of rod, and the double-rod body makes its bulky, and the effect is unsatisfactory.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a single-rod translation type eyelid retractor for ophthalmologic operation.
The scheme for solving the technical problems is as follows:
a single-rod translation type eyelid retractor for ophthalmologic operation comprises a main rod body, wherein a left supporting arm is fixed at the left end of the main rod body, and a baffle is fixed at the front end of the left supporting arm;
a vertical long through groove is formed in the middle of the main rod body, the lower compression block is located below the main rod body, a threaded connection sleeve is formed in the middle of the top surface of the lower compression block, the threaded connection sleeve is inserted and sleeved in the vertical long through groove, the upper compression block is pressed on the top surface of the main rod body, a central through hole is formed in the middle of the upper compression block, a locking screw rod is inserted and sleeved in the central through hole and the vertical long through groove, the locking screw rod is connected in the threaded connection sleeve in a threaded connection mode, and the top end of the locking screw rod extends out of the upper compression block and is fixed with a rotating part;
the lower pressing block is pressed against the bottom surface of the main rod body;
and a right supporting arm is fixed on the front wall surface of the upper pressing block, and a baffle is fixed at the front end of the right supporting arm.
The two baffle plates are both bent outwards in an arc shape.
The thread connection sleeve is inserted and sleeved with a buffer spring, the buffer spring is inserted and sleeved in the vertical long through groove, the bottom end of the buffer spring exerts force on the top surface of the lower pressing block, and the top end of the buffer spring exerts force on the bottom surface of the upper pressing block.
The main rod body is a rod body with an elliptic section, the front side and the rear side of the top surface of the lower pressing block are both provided with upwards extending parts, and the inner side wall of each extending part is close to the lower arc-shaped outer side wall of the main rod body.
An elastic friction layer is fixed on the inner side wall of the extension part and is pressed against the lower arc-shaped outer side wall of the main rod body.
And a lower guide sleeve is fixed on the bottom surface of the upper pressing block, and the lower guide sleeve is inserted and sleeved on the screw connection sleeve.
The front end and the rear end of the bottom surface of the upper pressing block are formed with upper extending portions extending downwards, and the front outer side wall and the rear outer side wall of the upper portion of the main rod body are tightly attached to inner arc-shaped wall surfaces of the upper extending portions.
The invention has the following outstanding effects: compared with the prior art, it adopts single mobile jib body structure, and its right branch brace is the moving arm, and it can guarantee to move along the mobile jib body, and its shift position is stable, guarantees that the right branch brace can not rotate, corresponds with the left branch brace.
Drawings
FIG. 1 is a schematic view of a partial structure of the present invention;
FIG. 2 is a partial cross-sectional view at the primary stem;
fig. 3 is a partial structural schematic view between the main rod body and the right support arm.
Detailed Description
In the embodiment, as shown in fig. 1 to 3, a single-rod translation eye speculum for ophthalmologic surgery comprises a main rod body 10, wherein a left support arm 11 is fixed at the left end of the main rod body 10, and a baffle 12 is fixed at the front end of the left support arm 11;
a vertical long through groove 13 is formed in the middle of the main rod body 10, the lower pressing block 14 is located below the main rod body 10, a threaded sleeve 141 is formed in the middle of the top surface of the lower pressing block 14, the threaded sleeve 141 is inserted in the vertical long through groove 13, the upper pressing block 15 is pressed on the top surface of the main rod body 10, a central through hole 151 is formed in the middle of the upper pressing block 15, a locking screw 20 is inserted in the central through hole 151 and the vertical long through groove 13, the locking screw 20 is screwed in the threaded sleeve 141, and the top end of the locking screw 20 extends out of the upper pressing block 15 and is fixed with a rotating part 21;
the lower pressing block 14 presses against the bottom surface of the main rod body 10;
a right supporting arm 16 is fixed on the front wall surface of the upper pressing block 15, and a baffle 12 is fixed at the front end of the right supporting arm 16.
Further, the two baffles 12 are both curved outwards.
Furthermore, the screw sleeve 141 is inserted with the buffer spring 1, the buffer spring 1 is inserted in the vertical long through groove 13, the bottom end of the buffer spring 1 is forced on the top surface of the lower compression block 14, and the top end of the buffer spring 1 is forced on the bottom surface of the upper compression block 15.
Further, the main rod body 10 is a rod body with an elliptical cross section, the front side and the rear side of the top surface of the lower pressing block 14 are both formed with extending portions 142 extending upward, and the inner side wall of the extending portions 142 is close to the lower arc-shaped outer side wall of the main rod body 10.
Further, an elastic friction layer 143 is fixed on an inner side wall of the extension portion 142, and the elastic friction layer 143 is pressed against a lower arc-shaped outer side wall of the main rod body 10.
Further, a lower guide sleeve 152 is fixed on the bottom surface of the upper pressing block 15, the lower guide sleeve 152 is vertically communicated with the central through hole 151, the locking screw 20 is inserted in the lower guide sleeve 152, and the lower guide sleeve 152 is inserted in the screw sleeve 141.
Further, the front end and the rear end of the bottom surface of the upper compressing block 15 are formed with an upper extending portion 153 extending downward, and the front and rear outer side walls of the upper portion of the main rod body 10 are tightly attached to the inner arc-shaped wall surface of the upper extending portion 153.
When the device is used, the upper pressing block 15 and the lower pressing block 14 can be prevented from being pressed on the main rod body 10 by loosening the locking screw rod 20, the right supporting arm 16 can be moved, the position adjustment can be realized, the device can be used, and after the position adjustment is finished, the locking screw rod 20 is screwed, so that the adjustment is convenient and the effect is good;
and it adopts single king post body 10, its simple structure, and its right branch arm 16 can guarantee to be perpendicular all the time with king post body 10 moreover, can not produce the rotation, and the removal is stable.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (1)
1. The utility model provides a single-rod body translation formula eye speculum for ophthalmic surgery, includes the main rod body (10), its characterized in that: a left supporting arm (11) is fixed at the left end of the main rod body (10), and a baffle (12) is fixed at the front end of the left supporting arm (11);
a vertical long through groove (13) is formed in the middle of the main rod body (10), the lower pressing block (14) is located below the main rod body (10), a screw joint sleeve (141) is formed in the middle of the top surface of the lower pressing block (14), the screw joint sleeve (141) is inserted in the vertical long through groove (13), the upper pressing block (15) is pressed on the top surface of the main rod body (10), a central through hole (151) is formed in the middle of the upper pressing block (15), a locking screw rod (20) is inserted in the central through hole (151) and the vertical long through groove (13), the locking screw rod (20) is screwed in the screw joint sleeve (141), and the top end of the locking screw rod (20) extends out of the upper pressing block (15) and is fixed with a rotating part (21);
the lower pressing block (14) presses against the bottom surface of the main rod body (10);
a right supporting arm (16) is fixed on the front wall surface of the upper pressing block (15), and a baffle (12) is fixed at the front end of the right supporting arm (16);
the buffer spring (1) is inserted and sleeved on the screw sleeve (141), the buffer spring (1) is inserted and sleeved in the vertical long through groove (13), the bottom end of the buffer spring (1) is stressed on the top surface of the lower pressing block (14), and the top end of the buffer spring (1) is stressed on the bottom surface of the upper pressing block (15);
a lower guide sleeve (152) is fixed on the bottom surface of the upper pressing block (15), and the lower guide sleeve (152) is inserted and sleeved on the screw sleeve (141);
the main rod body (10) is a rod body with an elliptic section, the front side and the rear side of the top surface of the lower pressing block (14) are both provided with upwards extending parts (142), and the inner side wall of each extending part (142) is abutted against the outer side wall of the arc-shaped lower part of the main rod body (10);
an elastic friction layer (143) is fixed on the inner side wall of the extension part (142), the elastic friction layer (143) is pressed on the lower arc-shaped outer side wall of the main rod body (10),
the two baffle plates (12) are both bent outwards in an arc shape,
the front end and the rear end of the bottom surface of the upper pressing block (15) are formed with upper extending parts (153) extending downwards, and the front outer side wall and the rear outer side wall of the upper part of the main rod body (10) are tightly attached to the inner arc-shaped wall surfaces of the upper extending parts (153).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010808910.8A CN111920463B (en) | 2020-08-12 | 2020-08-12 | Single-rod translation type eyelid retractor for ophthalmic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010808910.8A CN111920463B (en) | 2020-08-12 | 2020-08-12 | Single-rod translation type eyelid retractor for ophthalmic surgery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111920463A CN111920463A (en) | 2020-11-13 |
| CN111920463B true CN111920463B (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010808910.8A Active CN111920463B (en) | 2020-08-12 | 2020-08-12 | Single-rod translation type eyelid retractor for ophthalmic surgery |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307458A (en) * | 1998-06-25 | 2001-08-08 | 迈克尔·S·科伦费尔德 | Surgical laser smoke plume evacuator |
| CN201260733Y (en) * | 2008-10-17 | 2009-06-24 | 张兆来 | Arc sheet-shaped lid extension instrument |
| CN107892857A (en) * | 2017-11-29 | 2018-04-10 | 成都创客之家科技有限公司 | A kind of preparation method of medical eye speculum antimicrobial coating |
| CN208926459U (en) * | 2018-04-04 | 2019-06-04 | 唐静 | Medical eye speculum |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010054333B4 (en) * | 2010-12-13 | 2019-05-29 | Stryker European Holdings I, LLC (n.d. Ges. d. Staates Delaware) | Surgical retractor |
| CN105433995B (en) * | 2015-12-24 | 2017-08-04 | 王俊东 | A kind of ophthalmologic operation eyelid speculum |
| CN105662602B (en) * | 2016-03-23 | 2018-03-09 | 刘鸿箫 | A kind of lifting hook device device suitable for surgical operation |
| US10238375B2 (en) * | 2017-07-19 | 2019-03-26 | Nuvasive, Inc. | Surgical retractor |
-
2020
- 2020-08-12 CN CN202010808910.8A patent/CN111920463B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307458A (en) * | 1998-06-25 | 2001-08-08 | 迈克尔·S·科伦费尔德 | Surgical laser smoke plume evacuator |
| CN201260733Y (en) * | 2008-10-17 | 2009-06-24 | 张兆来 | Arc sheet-shaped lid extension instrument |
| CN107892857A (en) * | 2017-11-29 | 2018-04-10 | 成都创客之家科技有限公司 | A kind of preparation method of medical eye speculum antimicrobial coating |
| CN208926459U (en) * | 2018-04-04 | 2019-06-04 | 唐静 | Medical eye speculum |
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| Publication number | Publication date |
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| CN111920463A (en) | 2020-11-13 |
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