CN110338967B

CN110338967B - Intraocular forceps type capsulorhexis forceps and use method thereof

Info

Publication number: CN110338967B
Application number: CN201910615111.6A
Authority: CN
Inventors: 张国明
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2022-07-08
Anticipated expiration: 2039-07-09
Also published as: CN110338967A

Abstract

The invention relates to intraocular forceps type capsulorhexis forceps and a use method thereof, the capsulorhexis forceps drives a sleeve to facilitate the combination of scissors by pushing a sliding seat by utilizing a pushing block, adopts a split structure to replace the traditional integral capsulorhexis forceps, and has simpler operation and convenient use; through the pressing device who sets up annular array, even if meet in the operation when needing left side or right side operation, but the pressing device of direct selection needs operates, need not to take out scissors or tweezers from eyeball inside and adjust the good direction and reentry eyeball operation, the operating personnel of being convenient for operates, reduces patient's misery simultaneously.

Description

Intraocular forceps type capsulorhexis forceps and use method thereof

Technical Field

The invention relates to a medical instrument, in particular to intraocular forceps type capsulorhexis forceps and a using method thereof.

Background

Cataracts are a common blinding eye disease, and the clouding of the lens in the human eye results in a loss of vision. In the operation of the cataract ultrasonic emulsification suction surgery, the capsulorhexis is a very key step, the capsulorhexis tool mainly comprises capsulorhexis forceps, forceps tips of the capsulorhexis forceps enter the anterior chamber through a minimally invasive incision, the anterior capsule membrane is punctured, and then the anterior capsule membrane is pinched to carry out capsulorhexis operation.

The existing capsulorhexis forceps only have a one-way kneading handle or a two-way kneading handle, and when left-side or right-side operation is needed in an operation, scissors or the forceps need to be taken out from the interior of an eyeball to adjust the direction and then enter the eyeball to operate, so that the pain of a patient is increased.

Disclosure of Invention

The present invention provides a split type omnidirectional intraocular forceps type capsulorhexis forceps and a method for using the same, which aims to solve the above-mentioned drawbacks of the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows:

provides an intraocular forceps type capsulorhexis forceps, which comprises a first shell and a second shell; the inner side wall of the first shell is provided with a mounting plate; the mounting plate is provided with a sliding seat capable of reciprocating relative to the mounting plate; a shearing device penetrating through the first shell is arranged in the first shell; the second shell is provided with a rotating sleeve for connecting the first shell and the second shell; a push block for driving the sliding seat to move is arranged in the rotating sleeve; and the side wall of the second shell is provided with a pressing device for driving the push block to move, and the pressing devices are annularly arrayed on the side wall of the second shell at the same angle.

Furthermore, a chute penetrating through the mounting plate is arranged on the mounting plate; a plurality of guide blocks symmetrically arranged along the central axis of the mounting plate are arranged on one side of the mounting plate, which is far away from the second shell; the sliding seat is provided with a first lug embedded in the sliding groove and a limiting block embedded between the guide blocks.

Furthermore, a circular groove is formed in one side, close to the second shell, of the mounting plate; the shearing device comprises a sleeve fixed on the sliding seat, a fixed block fixed in the circular groove and a shearing bar fixed on the fixed block and penetrating through the mounting plate and the sleeve; one side of the scissors rod, which is far away from the first shell, is provided with movable scissors.

Furthermore, a clamping hole is formed in the side wall of the push block; the pressing device comprises a button which is arranged on the side wall of the second shell and corresponds to the clamping hole, and a driving arm which is hinged on the button and corresponds to the clamping hole; the driving arm is clamped on the clamping hole.

Furthermore, a fourth bump is arranged at the tail end of the driving arm; a blind hole is formed in the clamping hole close to the inner side of the push block; the fourth bump is embedded in the blind hole.

Furthermore, a second lug is arranged on one side of the rotating sleeve, which is close to the first shell, and the second lug is in threaded connection with the inner side wall of the first shell; and a third bump is arranged on one side, away from the first shell, of the rotating sleeve, and the third bump is in threaded connection with the inner side wall of the second shell.

Furthermore, a chamfer is arranged at the contact position of the first shell and the second bump.

A use method of intraocular forceps type capsulorhexis forceps comprises the following steps:

the pushing block is pushed by the pressing device to extrude the sliding seat;

the sliding seat pushes the shearing device to shear.

Further, the steps of: pressing device promotes ejector pad extrusion slide, specifically includes:

the push button extrudes the driving arm, and the driving arm drives the push block to move to extrude the sliding seat.

Further, the steps of: the slide impels shearing mechanism to cut, specifically includes:

the slide base drives the sleeve to move, and the sleeve extrudes the scissors to be combined.

The invention has the beneficial effects that: the push block is used for pushing the sliding seat, so that the sleeve is driven to enable the scissors to be combined, a split structure is adopted to replace the conventional integral capsulorhexis forceps, the operation is simpler, and the use is convenient; through the pressing device who sets up annular array, even if meet in the operation and need left side or right side when operating, but the pressing device of direct selection needs operates, need not to take out scissors or tweezers from eyeball inside and adjust the good direction and reentrant eyeball internal operation, the operating personnel of being convenient for operates, reduces patient's misery simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:

fig. 1 is a schematic view of an internal structure of an intraocular forceps type capsulorhexis forceps in a preferred embodiment of the present invention;

FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the preferred embodiment of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the first housing in the preferred embodiment of the present invention;

FIG. 4 is a schematic diagram of the internal structure of the second housing in the preferred embodiment of the present invention;

FIG. 5 is a left side view of an intraocular forceps type capsulorhexis forceps in a preferred embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a slider according to a preferred embodiment of the present invention;

FIG. 7 is a schematic view of the structure of the mounting plate according to the preferred embodiment of the present invention;

fig. 8 is a schematic view of an external structure of an intraocular forceps type capsulorhexis forceps in a preferred embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.

As shown in fig. 1 to 5 and 8, an intraocular forceps-type capsulorhexis forceps according to a preferred embodiment of the present invention includes a first housing 1 and a second housing 2; the inner side wall of the first shell 1 is provided with a mounting plate 11; a slide 12 which can reciprocate relative to the mounting plate 11 is arranged on the mounting plate 11; a shearing device penetrating through the first shell 1 is arranged in the first shell 1; the second shell 2 is provided with a rotating sleeve 21 for connecting the first shell 1 and the second shell 2; a push block 22 for driving the sliding seat 12 to move is arranged in the rotating sleeve 21; the side wall of the second shell 2 is provided with a pressing device for driving the push block 22 to move, and the pressing devices are annularly arrayed on the side wall of the second shell 2 at the same angle.

The push button 23 is pressed, the push button 23 drives the driving arm 231 to push the push block 22, the push block 22 extrudes the sliding seat 12, the sliding seat 12 is extruded and then moves, the sleeve 123 is driven to move along the scissor rod 131, the sleeve 123 moves to the position of the scissors 132 to extrude the scissors 132, the two scissors 132 are extruded and combined, the push button 23, the driving arm 231 and the clamping hole 221 are arranged in an annular array at the same angle, and the operation can be carried out in any direction under the condition that the capsule-tearing forceps do not need to be taken out from eyeballs. The button 23 is released and the spring pushes the carriage 12 back and the push block 22 is pushed back by the carriage 12.

In a further embodiment, as shown in fig. 6 and 7, the mounting plate 11 is provided with a chute 111 penetrating the mounting plate 11; a plurality of guide blocks 112 symmetrically arranged along the central axis of the mounting plate 2 are arranged on one side of the mounting plate 11 away from the second shell 2; the sliding base 12 is provided with a first bump 121 embedded in the sliding groove 111 and a limiting block 122 embedded between the guiding blocks 112; the sliding direction of the sliding seat 12 is limited, so that the sliding seat 12 is prevented from deviating in the sliding process, and the normal use of the capsulorhexis forceps is ensured.

In a further embodiment, as shown in connection with fig. 3, the mounting plate 11 is provided with a circular groove 113 on a side thereof adjacent to the second housing 2; the shearing device comprises a sleeve 123 fixed on the sliding seat 12, a fixed block 13 fixed in the circular groove 113, and a shear rod 131 fixed on the fixed block 13 and penetrating through the mounting plate 11 and the sleeve 123; a movable scissors 132 are arranged on one side of the scissors rod 131 far away from the first shell 1; the sleeve 123 moves along the scissor rod 131 toward the scissors 132, and when the sleeve 123 contacts the scissors 132, the sleeve 123 presses the scissors 132 inward, and the scissors 132 are engaged and used.

In a further embodiment, as shown in fig. 4, a locking hole 221 is formed on the side wall of the push block 22; the pressing device comprises a button 23 which is arranged on the side wall of the second shell 2 and corresponds to the clamping hole 221, and a driving arm 231 which is hinged on the button 23 and corresponds to the clamping hole 221; the driving arm 231 is clamped on the clamping hole 221; when the button 23 is pressed, the button 23 drives the driving arm 231 to push the push block 22, and the push block 22 presses the sliding seat 12 to pinch the front capsular diaphragm.

In a further embodiment, as shown in fig. 1 and 4, the driving arm 231 is provided with a fourth protrusion 232 at the end thereof; the clamping hole 221 is provided with a blind hole 222 close to the inner side of the push block 22; the fourth bump 232 is embedded in the blind hole 222; after use, the slider 12 is pushed back to the original position by the elastic force of the spring, and meanwhile, the pushing block 22 is pushed back to the original position, and the fourth protrusion 232 pulls the pushing block 22 back by being embedded in the blind hole 222.

In a further embodiment, as shown in fig. 1 and 4, a second protrusion 211 is disposed on one side of the rotating sleeve 21 close to the first housing 1, and the second protrusion 211 is in threaded connection with an inner side wall of the first housing 1; the rotating sleeve 21 is provided with a third bump 212 on one side far away from the first housing 1, the third bump 212 is in threaded connection with the inner side wall of the second housing 2, and the rotating sleeve 21 is used for connecting the first housing 1 and the second housing 2.

In a further embodiment, as shown in fig. 3, a chamfer 14 is provided at a contact position of the first housing 1 and the second protrusion 211, so that the first housing 1 and the rotating sleeve 21 can be conveniently connected, and the installation or the removal is more convenient.

The invention also provides a using method of the intraocular forceps type capsulorhexis forceps, which is shown in the combined figure 1 and comprises the following steps:

the pushing device pushes the pushing block 22 to extrude the sliding seat 12;

the carriage 12 advances the shearing device for shearing.

In a further embodiment, shown in conjunction with fig. 1-5, the steps: the pressing device pushes the push block 22 to extrude the sliding seat 12, which specifically includes:

the button 23 presses the driving arm 231, and the driving arm 231 drives the push block 22 to move to press the sliding seat 12; pressing the button 23 drives the driving arm 231 to push against the pushing block 22, and the pushing block 22 moves closer to the sliding base 12 under the pushing force of the driving arm 231, so as to press the sliding base 12.

In a further embodiment, shown in connection with fig. 3, the steps: the slide 12 pushes the shearing device to shear, and specifically includes:

carriage 12 drives sleeve 123 to move and sleeve 123 presses scissors 132 to merge.

The sliding base 12 is pressed by the push block 22 to move, the sleeve 123 is driven to slide along the scissor rod 131, the sleeve 123 slides to the scissor 132, and the squeezing scissor 132 is inwards combined to pinch the front capsular sac.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. The utility model provides an intraocular tweezers type tears a bag tweezers which characterized in that: comprises a first shell and a second shell; the inner side wall of the first shell is provided with a mounting plate; the mounting plate is provided with a sliding seat capable of reciprocating relative to the mounting plate; a shearing device penetrating through the first shell is arranged in the first shell; the second shell is provided with a rotating sleeve for connecting the first shell and the second shell; a push block for driving the sliding seat to move is arranged in the rotating sleeve; the side wall of the second shell is provided with a pressing device for driving the push block to move, and the pressing devices are annularly arrayed on the side wall of the second shell at the same angle; the mounting plate is provided with a chute penetrating through the mounting plate; a plurality of guide blocks symmetrically arranged along the central axis of the mounting plate are arranged on one side of the mounting plate, which is far away from the second shell; the sliding seat is provided with a first bump embedded in the sliding groove and a limiting block embedded between the guide blocks; a cylindrical boss is arranged on one side, close to the second outer shell, of the mounting plate, and a circular groove is formed in the cylindrical boss; the shearing device comprises a sleeve fixed on the sliding seat, a fixed block fixed in the circular groove and a shearing rod fixed on the fixed block and penetrating through the mounting plate and the sleeve; a movable scissors is arranged on one side of the scissors rod, which is far away from the first shell; the first lug is arc-surface-shaped and is provided with two, the two first lugs surround the column-shaped boss, and the opening of the arc surface of the first lug faces the column-shaped boss.

2. The capsulorhexis forceps of claim 1, wherein: a clamping hole is formed in the side wall of the push block; the pressing device comprises a button which is arranged on the side wall of the second shell and corresponds to the clamping hole, and a driving arm which is hinged on the button and corresponds to the clamping hole; the driving arm is clamped on the clamping hole.

3. The capsulorhexis forceps of claim 2, wherein the distal end of the driving arm is provided with a fourth bump; a blind hole is formed in the clamping hole close to the inner side of the push block; the fourth bump is embedded in the blind hole.

4. The capsulorhexis forceps of claim 1, wherein a second bump is arranged on one side of the rotating sleeve close to the first shell, and the second bump is in threaded connection with the inner side wall of the first shell; and a third bump is arranged on one side, away from the first shell, of the rotating sleeve, and the third bump is in threaded connection with the inner side wall of the second shell.

5. The capsulorhexis forceps of claim 1, wherein a chamfer is provided at a contact position of the first shell and the second projection.