CN212592248U - C-shaped eye retractor - Google Patents
C-shaped eye retractor Download PDFInfo
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- CN212592248U CN212592248U CN202020282490.XU CN202020282490U CN212592248U CN 212592248 U CN212592248 U CN 212592248U CN 202020282490 U CN202020282490 U CN 202020282490U CN 212592248 U CN212592248 U CN 212592248U
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Abstract
The utility model relates to the technical field of medical equipment and equipment, and discloses a C-shaped eye retractor, which comprises a handle, wherein the side wall of the handle close to the top end is symmetrically and fixedly connected with supporting blocks, the upper surfaces of the two supporting blocks are hinged with deflection rods, the two deflection rods are symmetrically arranged, the two deflection rods are connected with the handle through a regulating mechanism, one ends of the two deflection rods, which are far away from the supporting blocks, are fixedly connected with mounting blocks, the upper surfaces of the two mounting blocks are connected with the C-shaped retractor through a clamping mechanism, and the two C-shaped retractors are symmetrically arranged; the regulating mechanism comprises an annular groove arranged at the top end of the handle, a matched threaded rod is movably inserted in the annular groove, limit blocks are symmetrically and fixedly connected to the rod wall of the threaded rod close to the bottom end, and limit grooves matched with the limit blocks are symmetrically arranged on the inner wall of the annular groove. The utility model discloses make the drag hook of eyes adapt to different operation demands, convenient operation is convenient for carry out stable rigidity to patient's eyelid moreover.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a C type drag hook for eyes.
Background
At present, when the doctor is doing ophthalmic surgery clinically, generally need two independent drag hooks, pull open upper and lower eyelid respectively to expose the operation field of vision, this operation process is wasted time and energy, and the doctor of main knife needs to help the operation of hand with both hands, brings very big inconvenience for the doctor of main knife to perform the operation, and long-time operation, the drag hook is difficult to fixed position, brings unexpected risk for the operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems that the eye-use drag hook is inconvenient to operate and the position is not easy to fix in the prior art, and providing a C-shaped eye-use drag hook.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a C-shaped eye retractor comprises a handle, wherein supporting blocks are symmetrically and fixedly connected to the side wall, close to the top end, of the handle, deflection rods are hinged to the upper surfaces of the two supporting blocks, the two deflection rods are symmetrically arranged, the two deflection rods are connected with the handle through a regulating mechanism, mounting blocks are fixedly connected to the ends, far away from the supporting blocks, of the two deflection rods, the upper surfaces of the two mounting blocks are connected with C-shaped retractors through clamping mechanisms, and the two C-shaped retractors are symmetrically arranged;
the regulating mechanism comprises an annular groove arranged at the top end of the handle, a matched threaded rod is movably inserted in the annular groove, the rod wall of the threaded rod close to the bottom end is symmetrically and fixedly connected with limiting blocks, the inner wall of the annular groove is symmetrically provided with limiting grooves matched with the limiting blocks, the limiting block is connected with the limiting groove in a sliding way, the top end of the threaded rod passes through the notch of the annular groove and extends upwards, and is fixedly connected with a push block, the edge of the notch of the annular groove is provided with an annular opening communicated with the inside of the annular groove, and a threaded sleeve matched with the threaded rod is rotatably connected in the annular gap through a bearing, the threaded rod passes through the threaded sleeve, and the threaded sleeve is in threaded connection with the threaded rod, the upper surface of the push block is hinged with two symmetrical connecting rods, and one end of each connecting rod, which is far away from the push block, is hinged with the rod wall of the deflection rod, which is close to the top end.
Preferably, the block mechanism includes the lug of fixed connection in C type drag hook bottom, the recess that matches with the lug is seted up to the upper surface of installation piece, and lug and recess block setting, the activity groove has been seted up on the lateral wall of recess, and sliding connection has the fixture block of matching in the activity groove, fixedly connected with spring between the tank bottom of fixture block and activity groove, the fixture block is close to one side fixedly connected with pull rod of activity groove tank bottom, the other end of pull rod passes the spring and runs through the tank bottom of activity groove and outwards extends, and the tank bottom sliding connection of pull rod and activity groove, set up the draw-in groove that matches with the fixture block on the lateral wall of lug, and fixture block and draw-in groove block setting.
Preferably, the outer cylinder wall of the threaded sleeve is fixedly sleeved with a matched silica gel sleeve.
Preferably, the outer side wall of the handle close to the bottom end is provided with anti-skid grains.
Preferably, one side of the limiting block, which is close to the bottom of the limiting groove, is provided with a ball groove, matched balls are arranged in the ball groove, one end, which is far away from the bottom of the ball groove, of each ball penetrates through the notch of the corresponding ball groove and extends outwards, and the ball is connected to the bottom of the limiting groove in a rolling manner.
Preferably, a matched rubber strip is arranged at the joint of the lug and the groove notch.
Preferably, the part of the fixture block located in the clamping groove is in a curved surface structure.
Preferably, the opposite side walls of the two sides of the movable groove are provided with sliding grooves, the side walls of the clamping blocks are symmetrically and fixedly connected with sliding blocks matched with the sliding grooves, and the sliding blocks are in sliding connection with the sliding grooves.
Preferably, one end of the pull rod, which is far away from the fixture block, is fixedly connected with a pull ring.
Compared with the prior art, the utility model provides a C type drag hook for eye possesses following beneficial effect:
1. the C-shaped eye retractor is characterized in that the C-shaped eye retractor is provided with a handle, a deflection rod, an installation block, a C-shaped retractor, an annular groove, a threaded rod, a limiting block, a limiting groove, a push block, a threaded sleeve and a connecting rod, the threaded sleeve is rotated, the threaded rod is connected with the limiting block which is connected with the limiting groove in a sliding manner, thereby limiting the rotational freedom, leading the threaded rod connected with the thread to drive the push block to move along the annular groove, the deflecting rod is deflected through the hinged connecting rod, the deflecting rod drives the C-shaped drag hook on the mounting block to move synchronously, the upper and lower eyelids of the patient are respectively supported by the two C-shaped draw hooks, the opening and closing degree of the two C-shaped draw hooks is adjusted, thereby being convenient to adapt to different operation requirements, avoiding using a plurality of eye draw hooks and a plurality of eye draw hooks, leading the operation to be more convenient, and as long as the threaded sleeve does not rotate, the position of the C-shaped drag hook can be fixed, so that the C-shaped drag hook can be used for fixing the position of the eyelid of a patient stably.
2. This C type drag hook for eyes, through setting up C type drag hook, the lug, a groove, the installation piece, the movable groove, the fixture block, a spring, pull rod and draw-in groove, the pulling pull rod drives fixture block and draw-in groove separation, can make things convenient for lug and recess separation, thereby conveniently dismantle C type drag hook from the installation piece fast, the pulling pull rod drives fixture block compression spring, and make the fixture block slide into the movable groove, carry out the block with the lug of C type drag hook bottom and the recess on the installation piece, loosen the pull rod, the spring drives the fixture block and resets, make its and the automatic block of draw-in groove on the lug, can accomplish the installation of C type drag hook fast, thereby make C type drag hook conveniently carry out quick assembly disassembly as required, when avoiding C type drag hook to damage, need change whole device, thereby effectively reduce the medical instrument cost.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make the drag hook of eyes adapt to different operation demands, convenient operation is convenient for carry out stable rigidity to patient's eyelid moreover.
Drawings
Fig. 1 is a schematic structural view of a C-shaped eye retractor provided by the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an enlarged view of a portion B in fig. 1.
In the figure: the device comprises a handle 1, a supporting block 2, a deflection rod 3, a mounting block 4, a drag hook 5C type, an annular groove 6, a threaded rod 7, a limiting block 8, a limiting groove 9, a pushing block 10, a threaded sleeve 11, a connecting rod 12, a convex block 13, a movable groove 14, a clamping block 15, a spring 16, a pull rod 17, a clamping groove 18, a silica gel sleeve 19, a ball groove 20, a ball 21, a sliding groove 22, a sliding block 23 and a pull ring 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a C-shaped eye retractor comprises a handle 1, wherein support blocks 2 are symmetrically and fixedly connected to the side wall of the handle 1 close to the top end, deflection rods 3 are hinged to the upper surfaces of the two support blocks 2, the two deflection rods 3 are symmetrically arranged, the two deflection rods 3 are connected with the handle 1 through a regulating mechanism, mounting blocks 4 are fixedly connected to the ends, far away from the support blocks 2, of the two deflection rods 3, the upper surfaces of the two mounting blocks 4 are connected with C-shaped retractor 5 through clamping mechanisms, and the two C-shaped retractor 5 are symmetrically arranged;
the regulating mechanism comprises an annular groove 6 arranged at the top end of the handle 1, a matched threaded rod 7 is movably inserted in the annular groove 6, limiting blocks 8 are symmetrically and fixedly connected to the rod wall of the threaded rod 7 close to the bottom end, limiting grooves 9 matched with the limiting blocks 8 are symmetrically arranged on the inner wall of the annular groove 6, the limiting blocks 8 are in sliding connection with the limiting grooves 9, the top end of the threaded rod 7 penetrates through a notch of the annular groove 6 and extends upwards, a push block 10 is fixedly connected, an annular notch communicated with the inside of the annular groove 6 is arranged on the edge of the notch of the annular groove 6, a threaded sleeve 11 matched with the threaded rod 7 is rotatably connected in the annular notch through a bearing, the threaded rod 7 penetrates through the threaded sleeve 11, the threaded sleeve 11 is in threaded connection with the threaded rod 7, two symmetrical connecting rods 12 are hinged to the upper surface of the push block 10, one end, far away from the push block 10, of the connecting, rotate threaded sleeve 11, threaded rod 7 is because of being connected with 9 sliding connection's of spacing groove stopper 8, thereby restricted the rotational degree of freedom, make threaded connection's threaded rod 7 drive ejector pad 10 motion along ring channel 6, thereby make deflection bar 3 take place to deflect through articulated connecting rod 12, deflection bar 3 drives C type drag hook 5 synchronous motion on the installation piece 4, prop patient's upper and lower eyelid through two C type drag hooks 5 respectively, adjust the degree of opening and shutting of two C type drag hooks 5, thereby conveniently adapt to different surgical requirements, avoid using a plurality of and multiple drag hook of eyes, make the operation more convenient, and threaded sleeve 11 only need not rotate, C type drag hook 5's position will be fixed motionless, make C type drag hook 5 convenient carry out stable rigidity to patient's eyelid.
The clamping mechanism comprises a convex block 13 fixedly connected to the bottom of the C-shaped drag hook 5, a groove matched with the convex block 13 is formed in the upper surface of the mounting block 4, the convex block 13 is clamped with the groove, a movable groove 14 is formed in the side wall of the groove, a matched clamping block 15 is connected in the movable groove 14 in a sliding mode, a spring 16 is fixedly connected between the clamping block 15 and the bottom of the movable groove 14, a pull rod 17 is fixedly connected to one side, close to the bottom of the movable groove 14, of the clamping block 15, the other end of the pull rod 17 penetrates through the spring 16 and extends outwards through the bottom of the movable groove 14, the pull rod 17 is connected with the bottom of the movable groove 14 in a sliding mode, a clamping groove 18 matched with the clamping block 15 is formed in the side wall of the convex block 13, the clamping block 15 is clamped with the clamping groove 18, the pull rod 17 is pulled to drive the clamping block 15 to be separated from the clamping, pulling pull rod 17 drives fixture block 15 compression spring 16, and make fixture block 15 slide in the activity groove 14, carry out the block with the lug 13 of C type drag hook 5 bottom and the recess on the installation piece 4, loosen pull rod 17, spring 16 drives fixture block 15 and resets, make its and the automatic block of draw-in groove 18 on the lug 13, can accomplish the installation of C type drag hook 5 fast, thereby make C type drag hook 5 conveniently carry out quick assembly disassembly as required, when avoiding C type drag hook 5 to damage, need change whole device, thereby effectively reduce the medical instrument cost.
The outer cylinder wall of the threaded sleeve 11 is fixedly sleeved with a matched silica gel sleeve 19, so that the adhesive force is large, and the threaded sleeve 11 is conveniently driven to rotate.
The outer side wall of the handle 1 close to the bottom end is provided with anti-slip lines, so that the friction force is increased, and the stability of the handle 1 is improved.
The ball groove 20 has been seted up to one side that stopper 8 is close to the spacing groove 9 tank bottom, and installs the ball 21 that matches in the ball groove 20, and the ball 21 is kept away from the one end of ball groove 20 tank bottom and is passed the notch of ball groove 20 and outwards extend, and roll connection reduces the frictional force between stopper 8 and the spacing groove 9 at the tank bottom of spacing groove 9.
The junction of lug 13 and recess notch installs the rubber strip of matching, improves the steadiness of block between lug 13 and the recess.
The part of the clamping block 15, which is positioned in the clamping groove 18, is in a curved surface structure, so that when the C-shaped drag hook 5 is installed, the convex block 13 can be directly pressed into the groove for installation without pulling the pull rod 17.
The opposite side walls of the two sides of the movable groove 14 are respectively provided with a sliding groove 22, the side wall of the clamping block 15 is symmetrically and fixedly connected with a sliding block 23 matched with the sliding grooves 22, and the sliding block 23 is in sliding connection with the sliding grooves 22, so that the movement stability of the clamping block 15 is ensured.
One end of the pull rod 17 far away from the fixture block 15 is fixedly connected with a pull ring 24, so that the pull rod 17 is conveniently driven to slide.
The utility model discloses in, rotate threaded sleeve 11, threaded rod 7 is because of being connected with stopper 8 with spacing groove 9 sliding connection, thereby restricted the rotational degree of freedom, make threaded connection's threaded rod 7 drive ejector pad 10 motion along ring channel 6, thereby make deflection pole 3 take place to deflect through articulated connecting rod 12, deflection pole 3 drives C type drag hook 5 synchronous motion on the installation piece 4, prop up patient's upper and lower eyelid through two C type drag hooks 5 respectively, adjust the degree of opening and shutting of two C type drag hooks 5, thereby conveniently adapt to different surgical requirements, avoid using a plurality of and multiple eye drag hooks, make the operation more convenient, and threaded sleeve 11 only need not rotate, the position of C type drag hook 5 will be fixed, make C type drag hook 5 conveniently carry out stable position fixing to patient's eyelid; pulling pull rod 17 drives fixture block 15 and draw-in groove 18 separation, can make things convenient for lug 13 and recess separation, thereby the convenience is dismantled C type drag hook 5 from installation piece 4 fast, pulling pull rod 17 drives fixture block 15 compression spring 16, and make fixture block 15 slide in movable groove 14, carry out the block with the lug 13 of C type drag hook 5 bottom and the recess on the installation piece 4, loosen pull rod 17, spring 16 drives fixture block 15 and resets, make its and the automatic block of draw-in groove 18 on the lug 13, can accomplish the installation of C type drag hook 5 fast, thereby make C type drag hook 5 conveniently carry out quick assembly disassembly as required, when avoiding C type drag hook 5 to damage, need change whole device, thereby effectively reduce the medical instrument cost.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. The C-shaped eye retractor comprises a handle (1), and is characterized in that supporting blocks (2) are symmetrically and fixedly connected to the side wall, close to the top end, of the handle (1), deflection rods (3) are hinged to the upper surfaces of the two supporting blocks (2), the two deflection rods (3) are symmetrically arranged, the two deflection rods (3) are connected with the handle (1) through a regulating mechanism, mounting blocks (4) are fixedly connected to the ends, far away from the supporting blocks (2), of the two deflection rods (3), the upper surfaces of the two mounting blocks (4) are connected with C-shaped retractor (5) through a clamping mechanism, and the two C-shaped retractor (5) are symmetrically arranged;
the adjusting mechanism comprises an annular groove (6) formed in the top end of the handle (1), a matched threaded rod (7) is inserted in the annular groove (6) in a movable mode, limiting blocks (8) are symmetrically and fixedly connected to the rod wall of the threaded rod (7) close to the bottom end, limiting grooves (9) matched with the limiting blocks (8) are symmetrically formed in the inner wall of the annular groove (6), the limiting blocks (8) are connected with the limiting grooves (9) in a sliding mode, the top end of the threaded rod (7) penetrates through a notch of the annular groove (6) and extends upwards, a push block (10) is fixedly connected to the top end of the threaded rod, an annular opening communicated with the inside of the annular groove (6) is formed in the edge of the notch of the annular groove (6), a threaded sleeve (11) matched with the threaded rod (7) is rotatably connected to the inside of the annular opening through a bearing, and the threaded, and the threaded sleeve (11) is in threaded connection with the threaded rod (7), the upper surface of the push block (10) is hinged with two symmetrical connecting rods (12), and one end, far away from the push block (10), of each connecting rod (12) is hinged with the rod wall, close to the top end, of the deflection rod (3).
2. The C-shaped eye hook according to claim 1, wherein the clamping mechanism comprises a convex block (13) fixedly connected to the bottom of the C-shaped hook (5), the upper surface of the mounting block (4) is provided with a groove matched with the convex block (13), the convex block (13) is clamped with the groove, the side wall of the groove is provided with a movable groove (14), the movable groove (14) is slidably connected with a matched clamping block (15), a spring (16) is fixedly connected between the clamping block (15) and the bottom of the movable groove (14), one side of the clamping block (15) close to the bottom of the movable groove (14) is fixedly connected with a pull rod (17), the other end of the pull rod (17) penetrates through the spring (16) and extends outwards through the bottom of the movable groove (14), the pull rod (17) is slidably connected with the bottom of the movable groove (14), the side wall of the convex block (13) is provided with a clamping groove (18) matched with the clamping block (15), and the clamping block (15) is clamped with the clamping groove (18).
3. The C-shaped eye retractor according to claim 1, wherein a matching silica gel sleeve (19) is fixedly sleeved on the outer cylinder wall of the threaded sleeve (11).
4. The C-shaped eye retractor according to claim 1, wherein the grip (1) is provided with anti-slip lines on the outer side wall near the bottom end.
5. The C-shaped eye retractor according to claim 1, wherein a ball groove (20) is formed in one side of the limiting block (8) close to the bottom of the limiting groove (9), a matched ball (21) is installed in the ball groove (20), one end, far away from the bottom of the ball groove (20), of the ball (21) penetrates through the notch of the ball groove (20) and extends outwards, and the ball is connected to the bottom of the limiting groove (9) in a rolling manner.
6. A C-shaped eye retractor according to claim 2 wherein the junction of the protrusion (13) and the notch of the groove is fitted with a matching rubber strip.
7. The C-shaped eye retractor according to claim 2, wherein the portion of the clamping block (15) located in the clamping groove (18) is arranged in a curved surface structure.
8. The C-shaped eye retractor according to claim 2, wherein the opposite side walls of the movable groove (14) are provided with sliding grooves (22), the side walls of the clamping blocks (15) are symmetrically and fixedly connected with sliding blocks (23) matched with the sliding grooves (22), and the sliding blocks (23) are slidably connected with the sliding grooves (22).
9. The C-shaped eye retractor according to claim 2, wherein the pull rod (17) is fixedly connected with a pull ring (24) at the end far away from the clamping block (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020282490.XU CN212592248U (en) | 2020-03-10 | 2020-03-10 | C-shaped eye retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020282490.XU CN212592248U (en) | 2020-03-10 | 2020-03-10 | C-shaped eye retractor |
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| Publication Number | Publication Date |
|---|---|
| CN212592248U true CN212592248U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020282490.XU Active CN212592248U (en) | 2020-03-10 | 2020-03-10 | C-shaped eye retractor |
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| CN (1) | CN212592248U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113712612A (en) * | 2021-09-14 | 2021-11-30 | 郑波 | Eye bag retractor with anti-shaking structure for plastic cosmetology |
| CN115844470A (en) * | 2023-01-04 | 2023-03-28 | 中国人民解放军总医院第三医学中心 | Skin biopsy trephine |
-
2020
- 2020-03-10 CN CN202020282490.XU patent/CN212592248U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113712612A (en) * | 2021-09-14 | 2021-11-30 | 郑波 | Eye bag retractor with anti-shaking structure for plastic cosmetology |
| CN115844470A (en) * | 2023-01-04 | 2023-03-28 | 中国人民解放军总医院第三医学中心 | Skin biopsy trephine |
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