CN213552852U - Adjustable ophthalmologic surgical forceps - Google Patents

Abstract

The utility model discloses adjustable ophthalmological operation forceps, which belongs to the technical field of ophthalmological operation, and comprises forceps, two forceps heads are arranged below the forceps, an adjusting device is arranged at one side of the upper end of the forceps, the adjusting device comprises a shell, a lead screw, a movable block and a lead screw sleeve, the shell is arranged at one side of the upper end of the forceps, the lead screw is arranged at the inner side of the shell through a bearing, the movable block is arranged at the outer side of the lead screw, the movable block is connected with the lead screw through the lead screw sleeve, the movable block is connected with the forceps through a connecting component, and a control device is arranged above the lead screw; the utility model discloses a set up casing, lead screw, movable block, lead screw sleeve, pull ring, card frame, card shell, connecting axle, spring and cardboard for the operation tweezers can fix the state of self after the regulation finishes, thereby has prevented to be unstable because of the state that external force leads to, and then has improved the stability of operation tweezers.

Description

Adjustable ophthalmologic surgical forceps

Technical Field

The utility model belongs to the technical field of ophthalmic surgery, concretely relates to ophthalmic surgery tweezers with adjustable.

Background

The general term of ophthalmology is "ophthalmology specialty", which is the discipline for studying diseases occurring in the visual system, including the eyeball and its associated tissues. In ophthalmology, various ophthalmic diseases such as vitreous body, retinal diseases, ocular optics, glaucoma, optic neuropathy, cataract and the like are generally researched.

Chinese patent application No. CN201920217862.8 discloses an adjustable ophthalmic surgical forceps, which adjusts the position of the second connecting rod by upwards pulling the first connecting rod, and can make the forceps clamp tightly by pinching the second connecting rods on the left and right sides of the forceps, increasing the area where the forceps can be held, avoiding the medical staff to be blocked by the fingers when using the forceps, and simultaneously making the medical staff easily save labor when holding the forceps to perform the operation.

The prior art has the following problems: 1. the problem that the fixation is unstable due to external force easily exists in the patent, so that the stability of the surgical forceps is reduced; 2. the problem that the position of the forceps head cannot be adjusted, assembled and disassembled and replaced exists in the patent, and therefore the practicability of the surgical forceps is reduced.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides adjustable ophthalmologic surgical forceps, which has the characteristics of high stability and strong practicability.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable ophthalmological operation forceps comprises forceps, two forceps heads are arranged below the forceps, an adjusting device is mounted at one side of the upper end of the forceps and comprises a shell, a lead screw, a moving block and a lead screw sleeve, the shell is mounted at one side of the upper end of the forceps, the lead screw is mounted at the inner side of the shell through a bearing, the moving block is arranged at the outer side of the lead screw, the moving block is connected with the lead screw through the lead screw sleeve, the moving block is connected with the forceps through a connecting assembly, a control device is mounted above the lead screw and comprises a clamping frame, a clamping shell, a connecting shaft, a spring and a clamping plate, the connecting shaft is mounted above the lead screw, the clamping plate is mounted above the connecting shaft, the clamping shell is connected to the outer side of the clamping plate in a sliding manner, the spring is arranged at the outer side of the, the outside sliding connection of card shell has the card frame, the card frame is connected with the casing.

Preferably, a pull ring is installed above the clamping shell.

Preferably, the spring is a compression spring.

Preferably, the clamping frame, the clamping shell and the clamping plate are all designed in a hexagonal prism mode.

Preferably, be connected through connecting device between tweezers and the tweezers head, connecting device includes screw rod, turning block, pivot, fixed plate, uide bushing, limiting plate and guide bar, the screw rod is installed through the screw thread to the lower extreme of tweezers, the below of screw rod is connected with the turning block, the pivot is installed to the below of turning block, be connected through the bearing between pivot and the tweezers head, two the fixed plate is all installed to the both sides of keeping away from each other between the tweezers head, the guide bar is installed to the top of fixed plate, the outside sliding connection of guide bar has the uide bushing, the uide bushing is connected with tweezers, the limiting plate is installed through the screw thread to the top of guide bar.

Preferably, the outer side of the rotating block is provided with anti-skid grains.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up casing, lead screw, movable block, lead screw sleeve, pull ring, card frame, card shell, connecting axle, spring and cardboard for the operation tweezers can fix the state of self after the regulation finishes, thereby has prevented to be unstable because of the state that external force leads to, and then has improved the stability of operation tweezers.

2. The utility model discloses a set up screw rod, turning block, pivot, fixed plate, uide bushing, limiting plate and guide bar for operation tweezers can be adjusted the position of tweezers head as required, and can load and unload when the tweezers head needs loading and unloading, thereby improved operation tweezers's practicality.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic structural diagram of the adjusting device of the present invention;

fig. 3 is a schematic structural diagram of the control device of the present invention;

fig. 4 is a cross-sectional view taken along line a-a of fig. 3 in accordance with the present invention;

fig. 5 is a schematic view of a partial structure of the present invention.

In the figure: 1. a connecting assembly; 2. tweezers; 3. an adjustment device; 31. a housing; 32. a screw rod; 33. a moving block; 34. a screw rod sleeve; 4. a control device; 41. a pull ring; 42. clamping a frame; 43. clamping a shell; 44. a connecting shaft; 45. a spring; 46. clamping a plate; 5. a forceps head; 6. a connecting device; 61. a screw; 62. rotating the block; 63. a rotating shaft; 64. a fixing plate; 65. a guide sleeve; 66. a limiting plate; 67. a guide rod.

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. 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 the following technical solutions: an adjustable ophthalmologic operation forceps comprises a forceps 2, two forceps heads 5 are arranged below the forceps 2, an adjusting device 3 is installed on one side of the upper end of the forceps 2, the adjusting device 3 comprises a shell 31, a lead screw 32, a moving block 33 and a lead screw sleeve 34, the shell 31 is installed on one side of the upper end of the forceps 2, the lead screw 32 is installed on the inner side of the shell 31 through a bearing, the moving block 33 is arranged on the outer side of the lead screw 32, the moving block 33 is connected with the lead screw 32 through the lead screw sleeve 34, the moving block 33 is connected with the forceps 2 through a connecting assembly 1, a control device 4 is installed above the lead screw 32, the control device 4 comprises a clamping frame 42, a clamping shell 43, a connecting shaft 44, a spring 45 and a clamping plate 46, the connecting shaft 44 is installed above the connecting shaft 44, the clamping plate 46 is connected with the clamping shell 43, two ends of the spring 45 are respectively connected with the clamping shell 43 and the clamping plate 46, the clamping frame 42 is connected to the outer side of the clamping shell 43 in a sliding mode, and the clamping frame 42 is connected with the shell 31.

Specifically, a pull ring 41 is arranged above the clamping shell 43,

through adopting above-mentioned technical scheme for the staff can control card shell 43 through pull ring 41, thereby convenience when having improved the use.

Specifically, the spring 45 is a compression spring,

by adopting the technical scheme, the normal work of the spring 45 is ensured.

Specifically, the card frame 42, the card case 43 and the card board 46 are all designed in a hexagonal prism,

by adopting the technical scheme, the normal work of the clamping frame 42, the clamping shell 43 and the clamping plate 46 is ensured.

Specifically, the tweezers 2 are connected with the tweezers heads 5 through the connecting device 6, the connecting device 6 comprises a screw 61, a rotating block 62, a rotating shaft 63, a fixing plate 64, a guide sleeve 65, a limit plate 66 and a guide rod 67, the screw 61 is installed at the lower end of the tweezers 2 through threads, the rotating block 62 is connected below the screw 61, the rotating shaft 63 is installed below the rotating block 62, the rotating shaft 63 is connected with the tweezers heads 5 through bearings, the fixing plate 64 is installed on two sides of the two tweezers heads 5 which are far away from each other, the guide rod 67 is installed above the fixing plate 64, the guide sleeve 65 is connected to the outer side of the guide rod 67 in a sliding manner, the guide sleeve 65 is connected with the tweezers 2, the limit plate 66 is installed above the guide rod 67 through threads,

through adopting above-mentioned technical scheme for the surgical forceps can be as required to adjust the position of tweezers head 5, and can load and unload when tweezers head 5 needs loading and unloading.

Specifically, the outer side of the rotating block 62 is provided with anti-skid grains,

by adopting the technical scheme, the phenomenon of hand slip when the rotating block 62 is rotated is prevented.

The structure and the principle of the middle connecting component 1 of the utility model are disclosed in an adjustable ophthalmologic surgical forceps disclosed in the Chinese patent application No. CN 201920217862.8.

The utility model discloses a theory of operation and use flow: before using, pull ring 41 in the pulling controlling means 4, pull ring 41 stimulates the card shell 43 and breaks away from card frame 42, rotate pull ring 41, pull ring 41 is through card shell 43, lead screw 32 among cardboard 46 and the connecting axle 44 drive adjusting device 3 rotates, lead screw 32 passes through lead screw sleeve 34 and drives movable block 33 and remove in casing 31, and then drive coupling assembling 1 and adjust the surgical forceps, adjust the back that finishes, loosen pull ring 41, card shell 43 gets back to original height under the effect of spring 45, thereby fix once more through card frame 42. When the forceps head 5 needs to be adjusted or assembled and disassembled, the rotating block 62 in the connecting device 6 is rotated, the rotating block 62 drives the screw rod 61 to rotate and move, the position of the forceps head 5 is further adjusted, the rotating shaft 63 and a bearing on the outer side of the rotating shaft 63 play a role in preventing the forceps head 5 from rotating along with the rotation of the rotating block 62, the fixing plate 64, the guide rod 67 and the guide sleeve 65 play a role in preventing the forceps head 5 from rotating, when the forceps head 5 needs to be adjusted, the screw rod 61 can be rotated and moved to a proper position, when the screw rod 61 needs to be disassembled, the limiting plate 66 is screwed down, and the screw rod 61 is separated from the forceps 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An adjustable ophthalmological surgical forceps, comprising forceps (2), characterized in that: the improved tweezers are characterized in that two tweezers heads (5) are arranged below the tweezers (2), an adjusting device (3) is installed on one side of the upper end of the tweezers (2), the adjusting device (3) comprises a shell (31), a lead screw (32), a moving block (33) and a lead screw sleeve (34), the shell (31) is installed on one side of the upper end of the tweezers (2), the lead screw (32) is installed on the inner side of the shell (31) through a bearing, the moving block (33) is arranged on the outer side of the lead screw (32), the moving block (33) is connected with the lead screw (32) through the lead screw sleeve (34), the moving block (33) is connected with the tweezers (2) through a connecting component (1), a control device (4) is installed above the lead screw (32), and the control device (4) comprises a clamping frame (42), a clamping shell (43), a connecting shaft, Spring (45) and cardboard (46), connecting axle (44) are installed to the top of lead screw (32), cardboard (46) are installed to the top of connecting axle (44), the outside sliding connection of cardboard (46) has card shell (43), the outside of connecting axle (44) is provided with spring (45), the both ends of spring (45) are connected with card shell (43) and cardboard (46) respectively, the outside sliding connection of card shell (43) has card frame (42), card frame (42) are connected with casing (31).

2. The adjustable ophthalmic forceps of claim 1, wherein: and a pull ring (41) is arranged above the clamping shell (43).

3. The adjustable ophthalmic forceps of claim 1, wherein: the spring (45) is a compression spring.

4. The adjustable ophthalmic forceps of claim 1, wherein: the clamping frame (42), the clamping shell (43) and the clamping plate (46) are all designed in a hexagonal prism mode.

5. The adjustable ophthalmic forceps of claim 1, wherein: connect through connecting device (6) between tweezers (2) and the tweezers head (5), connecting device (6) include screw rod (61), turning block (62), pivot (63), fixed plate (64), uide bushing (65), limiting plate (66) and guide bar (67), screw rod (61) are installed through the screw thread to the lower extreme of tweezers (2), the below of screw rod (61) is connected with turning block (62), pivot (63) are installed to the below of turning block (62), be connected through the bearing between pivot (63) and tweezers head (5), two fixed plate (64) are all installed to the both sides of keeping away from each other between tweezers head (5), guide bar (67) are installed to the top of fixed plate (64), the outside sliding connection of guide bar (67) has uide bushing (65), uide bushing (65) are connected with tweezers (2), and a limiting plate (66) is arranged above the guide rod (67) through threads.

6. The adjustable ophthalmic surgical forceps of claim 5, wherein: the outer side of the rotating block (62) is provided with anti-skid grains.

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