CN215080772U - Ophthalmic tweezers with shearing function - Google Patents
Ophthalmic tweezers with shearing function Download PDFInfo
- Publication number
- CN215080772U CN215080772U CN202120321842.2U CN202120321842U CN215080772U CN 215080772 U CN215080772 U CN 215080772U CN 202120321842 U CN202120321842 U CN 202120321842U CN 215080772 U CN215080772 U CN 215080772U
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- China
- Prior art keywords
- tweezers
- positioning bolt
- threaded rod
- fine adjustment
- mounting plate
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- 238000010008 shearing Methods 0.000 title abstract description 10
- 238000001125 extrusion Methods 0.000 claims abstract description 17
- 230000004888 barrier function Effects 0.000 claims abstract description 6
- 238000005520 cutting process Methods 0.000 claims description 14
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 210000001328 optic nerve Anatomy 0.000 abstract description 26
- 238000001356 surgical procedure Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 2
- 230000001771 impaired effect Effects 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 208000030768 Optic nerve injury Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000000744 eyelid Anatomy 0.000 description 1
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Abstract
The utility model discloses an ophthalmic tweezers with shear function, including tweezers body, fine adjustment threaded rod, extrusion nut and scissors blade, fine adjustment threaded rod is installed through the bearing frame in the tweezers body outside, positioning bolt bottom welded fastening has the barrier plate, and installs the extrusion nut bottom the positioning bolt to the positioning bolt bottom runs through the orbit window, the terminal welded fastening of bottom mounting panel has the scissors blade. This ophthalmic tweezers with shear function adopts neotype structural design, combines the function of ophthalmic surgery tweezers and ophthalmic surgery scissors, makes this device can have the function that the centre gripping is fixed and cut simultaneously, and the optic nerve operation in-process of being convenient for carries out continuous centre gripping and shearing operation to optic nerve, can effectively avoid healthy optic nerve impaired, and the structure that has the shear function carries out the regulation of position on level and the vertical direction, can adapt to different operation requirements, has improved the holistic suitability of device greatly.
Description
Technical Field
The utility model relates to the technical field of ophthalmic surgical instruments, in particular to an ophthalmic tweezers with a shearing function.
Background
The ophthalmologic operation instrument is a medical instrument used for ophthalmologic operation, and mainly comprises surgical scissors, forceps, tweezers, a hook, an eyelid retractor and the like, wherein the ophthalmologic operation forceps are mainly used for clamping or fixing tissues and can also be used for knotting operation, in the operation of treating the optic nerve injury, the ophthalmologic operation forceps are usually used for clamping and fixing the optic nerve, and the ophthalmologic operation scissors are convenient to operate to cut off the optic nerve at the inflamed or injured part.
As the surgeon continues to perform optic nerve surgery using a variety of ophthalmic surgical instruments, the following problems are found during the actual surgical procedure:
the existing ophthalmologic operation forceps and ophthalmologic operation scissors are two independent instruments, when the optic nerve is required to be cut, the ophthalmologic operation forceps are required to be firstly used for clamping and fixing the optic nerve damaged part which is required to be cut, then the ophthalmologic operation scissors are operated to cut off the damaged part, because the diameter of the normal optic nerve is only 4mm, when the ophthalmologic operation scissors are operated to be close to the clamped optic nerve part, the distance is difficult to accurately control, the ophthalmologic operation scissors often collide the ophthalmologic operation forceps or contact with the healthy part of the optic nerve, and the healthy part of the optic nerve is damaged.
Therefore, there is a need to design an ophthalmic forceps having a cutting function in view of the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ophthalmic tweezers with shear function to it only is 4mm to propose normal optic nerve diameter in solving above-mentioned background art, when operation ophthalmic surgery cuts to be close to the optic nerve part by the centre gripping, the distance is difficult to accurate control, appears often that ophthalmic surgery cuts and collides ophthalmic surgery tweezers or contacts with optic nerve healthy part, causes the problem of the condition of damage to optic nerve healthy part.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an ophthalmic tweezers with shear work ability, includes tweezers body, fine adjustment threaded rod, extrusion nut and scissors blade, fine adjustment threaded rod is installed through the bearing frame in the tweezers body outside, and fine adjustment threaded rod mid-mounting has the connecting block to connecting block avris and side mounting board avris middle part welded fastening, side mounting board are installed on positioning bolt simultaneously, positioning bolt bottom welded fastening has the barrier plate, and installs the extrusion nut in the positioning bolt bottom to the positioning bolt bottom runs through the orbit window, and the orbit window is seted up on the bottom mounting panel simultaneously, the terminal welded fastening of bottom mounting panel has the scissors blade.
Preferably, the fine adjustment threaded rod and the forceps body are distributed in parallel, the fine adjustment threaded rod and the forceps body form a rotating mechanism through an upper bearing seat of the fine adjustment threaded rod, the fine adjustment threaded rod is in threaded connection with a threaded hole formed in the center of the connecting block, and meanwhile the outer side face of the connecting block is tightly attached to the surface of the forceps body.
Preferably, the side face of the side mounting plate, which is attached to the surface of the forceps body, and the side face of the connecting block, which is attached to the surface of the forceps body, are located on the same vertical plane, and the height of the side mounting plate is greater than that of the forceps body.
Preferably, the stabilizing plate is in sliding connection with the limiting groove, the overlooking shapes of the stabilizing plate and the limiting groove are both T-shaped, and the length of the limiting groove is equal to the height of the forceps body.
Preferably, the positioning bolt is in sliding connection with a through hole formed in the center of the side mounting plate, the positioning bolt and the bottom mounting plate are vertically distributed, and the upper end face and the lower end face of the bottom mounting plate are tightly attached to the bottom surface of the side mounting plate and the top surface of the extrusion nut respectively.
Preferably, the diameter of the positioning bolt is the same as the width of the inner side of the track window, the positioning bolt is in sliding connection with the track window, and the length of the track window is greater than half of the length of the bottom mounting plate.
Preferably, the scissors blades are obliquely arranged, and the end edges of the scissors blades and the clamping surfaces at the inner sides of the tips of the forceps bodies are positioned on the same vertical plane.
Compared with the prior art, the beneficial effects of the utility model are that: the ophthalmological forceps with the shearing function adopts a novel structural design, combines the functions of the ophthalmological forceps and the ophthalmological scissors, so that the device can simultaneously have the functions of clamping, fixing and shearing, is convenient for continuously clamping and shearing the optic nerve in the optic nerve operation process, can effectively avoid the damage of the healthy optic nerve, can adapt to different operation requirements by adjusting the position in the horizontal direction and the vertical direction by the structure with the shearing function, and greatly improves the overall applicability of the device;
1. through the structural design of the fine adjusting threaded rod, the connecting block, the side mounting plates, the stabilizing plates and the limiting grooves, the height of the bottom mounting plate fixedly provided with the scissors blade in the vertical direction can be conveniently adjusted, so that the distance between the scissors blade and the clamping part at the tip end of the forceps body can be flexibly adjusted according to the actual operation condition;
2. through the structure that positioning bolt, barrier plate, extrusion nut, orbit window and end mounting panel are constituteed, the relative position of adjustment scissors blade and the most advanced centre gripping position of tweezers body on the horizontal direction that can be convenient for the scissors blade to cut the optic nerve of different crooked situations.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the front cross-sectional structure of the connecting block, the side mounting plate and the bottom mounting plate of the present invention;
FIG. 3 is a schematic view of the top-view cross-sectional structure of the connecting block, the side mounting plate and the limiting groove of the present invention;
FIG. 4 is a schematic bottom view of the bottom mounting plate and the scissors blade of the present invention;
fig. 5 is a schematic diagram of the side view profile structure of the limiting groove of the present invention.
In the figure: 1. a forceps body; 2. fine adjustment of the threaded rod; 3. connecting blocks; 4. a side mounting plate; 5. a stabilizing plate; 6. a limiting groove; 7. positioning the bolt; 8. a blocking plate; 9. extruding the nut; 10. a track window; 11. a bottom mounting plate; 12. a scissor blade.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an ophthalmic tweezers with shear work ability, including tweezers body 1, fine adjustment threaded rod 2, connecting block 3, side mounting board 4, stabilizing plate 5, spacing groove 6, positioning bolt 7, barrier plate 8, extrusion nut 9, orbit window 10, end mounting board 11 and scissors blade 12, fine adjustment threaded rod 2 is installed through the bearing frame in the tweezers body 1 outside, and 2 mid-mounting of fine adjustment threaded rod have connecting block 3, and 3 avris of connecting block and 4 avris middle part welded fastening of side mounting board, side mounting board 4 is installed on positioning bolt 7 simultaneously, 7 bottom welded fastening of positioning bolt have barrier plate 8, and 7 bottoms of positioning bolt install extrusion nut 9, and 7 bottoms of positioning bolt run through orbit window 10, orbit window 10 is seted up on end mounting board 11 simultaneously, 11 end welded fastening of end mounting board has scissors blade 12.
The fine adjustment threaded rod 2 and the tweezers body 1 are distributed in parallel, the fine adjustment threaded rod 2 and the tweezers body 1 form a rotating mechanism through an upper bearing seat of the fine adjustment threaded rod, the fine adjustment threaded rod 2 is in threaded connection with a threaded hole formed in the center of the connecting block 3, meanwhile, the outer side face of the connecting block 3 is tightly attached to the surface of the tweezers body 1, the fine adjustment threaded rod 2 can be pushed to be attached to the tweezers body 1 to perform stable position adjustment in the vertical direction by utilizing the threaded connection relation when the fine adjustment threaded rod 2 rotates independently, and the fine adjustment threaded rod is a structural foundation for achieving height position adjustment of the scissors blades 12.
The side face of the side mounting plate 4, which is attached to the surface of the forceps body 1, and the side face of the connecting block 3, which is attached to the surface of the forceps body 1, are located on the same vertical plane, the height of the side mounting plate 4 is greater than that of the forceps body 1, and the connecting block 3 can drive the side mounting plate 4 to perform stable position adjustment in the vertical direction along the surface of the forceps body 1 due to the structural design.
The stabilizing plate 5 is connected with the limiting groove 6 in a sliding mode, the overlooking shapes of the stabilizing plate 5 and the limiting groove 6 are T-shaped, the length of the limiting groove 6 is equal to the height of the tweezers body 1, the side mounting plate 4 is limited by the aid of the structural design, the stabilizing plate 5 slides along the limiting groove 6, the side mounting plate 4 is guaranteed not to be separated from the tweezers body 1 during displacement, and stability of the whole adjusting structure is guaranteed.
The through hole that positioning bolt 7 and side mounting plate 4 center were seted up is sliding connection, and positioning bolt 7 and end mounting plate 11 are vertical distribution to terminal surface closely laminates with side mounting plate 4 bottom surface and extrusion nut 9 top surface respectively about end mounting plate 11, and foretell structural design makes extrusion nut 9 and positioning bolt 7 cooperation, can carry out convenient adjustment and fixed to the position of side mounting plate 4 and end mounting plate 11.
The diameter of the positioning bolt 7 is the same as the width of the inner side of the track window 10, the positioning bolt 7 is in sliding connection with the track window 10, the length of the track window 10 is larger than half of the length of the bottom mounting plate 11, the bottom mounting plate 11 can drive the track window 10 and the positioning bolt 7 to perform stable relative sliding displacement, and the bottom mounting plate 11 and the scissor blade 12 can be adjusted in position in a large range in the horizontal direction.
The scissors blade 12 is the slope setting, and the terminal edge of a knife of scissors blade 12 is in same vertical plane with the inboard holding surface in tweezers body 1 pointed end, and foretell structural design has guaranteed that tweezers body 1's most advanced clamping part is when carrying out the centre gripping location, and scissors blade 12 can't be cuted, guarantees that tweezers body 1 can carry out stable centre gripping fixed to optic nerve earlier.
The working principle is as follows: when the device is used for clamping and cutting the optic nerve, firstly, according to the observation of the bending condition of the optic nerve to be cut during operation, the position of the scissor blade 12 in the horizontal direction is adjusted, the extrusion nut 9 in fig. 2 is unscrewed, the extrusion nut 9 does not extrude the bottom mounting plate 11 and the bottom of the side mounting plate 4 to be fixed any more, but the upper end surface and the lower end surface of the bottom mounting plate 11 are still tightly attached to the bottom surface of the side mounting plate 4 and the top surface of the extrusion nut 9 respectively, and cannot move easily, the bottom mounting plate 11 is pushed and pulled to slide relatively with the track window 10 and the positioning bolt 7, so that the position of the cutting part at the tail end of the scissor blade 12 in the horizontal direction is changed, but the cutting edge at the tail end of the scissor blade 12 and the clamping surface at the inner side of the tip end of the forceps body 1 are always kept on the same vertical plane, and the position of the scissor blade 12 in the horizontal direction is proper, and the pushing and pulling of the bottom mounting plate 11 is stopped;
then, the distance between the scissor blade 12 and the tip clamping part of the forceps body 1 is adjusted according to the distance between the preset clamping fixed part and the preset shearing part below, the fine adjusting threaded rod 2 in the figure 2 is rotated forwards or reversely, the fine adjusting threaded rod 2 drives the connecting block 3 to drive the side mounting plate 4 to vertically move upwards or downwards by utilizing the threaded connection relation, the side mounting plate 4 drives the bottom mounting plate 11 and the scissor blade 12 to move upwards or downwards by virtue of the positioning bolt 7, the blocking plate 8 and the extrusion nut 9 until the distance between the scissor blade 12 and the tip clamping part of the forceps body 1 is proper, and the fine adjusting threaded rod 2 stops rotating;
finally, the doctor can operate the forceps body 1, the preset clamping and fixing part of the optic nerve is clamped by the tip clamping part, the inner side cutting edge of the scissor blade 12 is attached to the preset shearing part, stable clamping of the forceps body 1 is kept, 2 bottom mounting plates 11 in the figure 3 are shifted to be away from the tail ends of the scissor blades 12 and move towards the direction away from the forceps body 1, the bottom mounting plates 11 drive the track windows 10 to rotate in a relative sliding mode with the positioning bolts 7, the scissor blades 12 at the tail ends of the 2 bottom mounting plates 11 are inwards close to cut the clamped optic nerve, after the 2 scissor blades 12 are closed and the cutting operation is completed, the direct operation of the forceps body 1 can remove the cut optic nerve, and the operation principle of the ophthalmic forceps with the cutting function is achieved.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides an ophthalmic tweezers with shear function, includes tweezers body (1), fine adjustment threaded rod (2), extrusion nut (9) and scissors blade (12), its characterized in that: fine adjustment threaded rod (2) are installed through the bearing frame in tweezers body (1) outside, and fine adjustment threaded rod (2) mid-mounting has connecting block (3) to connecting block (3) avris and side mounting board (4) avris middle part welded fastening, side mounting board (4) are installed on positioning bolt (7) simultaneously, positioning bolt (7) bottom welded fastening has barrier plate (8), and positioning bolt (7) bottom installs extrusion nut (9), and positioning bolt (7) bottom runs through orbit window (10), and simultaneously orbit window (10) are seted up on end mounting panel (11), end mounting panel (11) end welded fastening has scissors blade (12).
2. Ophthalmic forceps with a cutting function according to claim 1, characterized in that: the fine adjustment threaded rod (2) and the tweezers body (1) are distributed in parallel, the fine adjustment threaded rod (2) and the tweezers body (1) form a rotating mechanism through an upper bearing seat of the fine adjustment threaded rod, the fine adjustment threaded rod (2) is in threaded connection with a threaded hole formed in the center of the connecting block (3), and meanwhile the outer side face of the connecting block (3) is tightly attached to the surface of the tweezers body (1).
3. Ophthalmic forceps with a cutting function according to claim 1, characterized in that: the side face of the side mounting plate (4) attached to the surface of the tweezers body (1) and the side face of the connecting block (3) attached to the surface of the tweezers body (1) are located on the same vertical plane, and the height of the side mounting plate (4) is greater than that of the tweezers body (1).
4. Ophthalmic forceps with a cutting function according to claim 1, characterized in that: the stabilizing plate (5) is in sliding connection with the limiting groove (6), the overlooking shapes of the stabilizing plate (5) and the limiting groove (6) are T-shaped, and the length of the limiting groove (6) is equal to the height of the forceps body (1).
5. Ophthalmic forceps with a cutting function according to claim 1, characterized in that: the positioning bolt (7) is in sliding connection with a through hole formed in the center of the side mounting plate (4), the positioning bolt (7) and the bottom mounting plate (11) are vertically distributed, and the upper end face and the lower end face of the bottom mounting plate (11) are tightly attached to the bottom face of the side mounting plate (4) and the top face of the extrusion nut (9) respectively.
6. Ophthalmic forceps with a cutting function according to claim 1, characterized in that: the diameter of the positioning bolt (7) is the same as the width of the inner side of the track window (10), the positioning bolt (7) is in sliding connection with the track window (10), and the length of the track window (10) is larger than half of the length of the bottom mounting plate (11).
7. Ophthalmic forceps with a cutting function according to claim 1, characterized in that: the scissors blades (12) are obliquely arranged, and the end cutting edges of the scissors blades (12) and the clamping surfaces on the inner sides of the tips of the tweezers bodies (1) are positioned on the same vertical plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120321842.2U CN215080772U (en) | 2021-02-04 | 2021-02-04 | Ophthalmic tweezers with shearing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120321842.2U CN215080772U (en) | 2021-02-04 | 2021-02-04 | Ophthalmic tweezers with shearing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215080772U true CN215080772U (en) | 2021-12-10 |
Family
ID=79334171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120321842.2U Expired - Fee Related CN215080772U (en) | 2021-02-04 | 2021-02-04 | Ophthalmic tweezers with shearing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215080772U (en) |
-
2021
- 2021-02-04 CN CN202120321842.2U patent/CN215080772U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |