CN110338967A - A new type of intraocular forceps type capsulorhexis forceps and using method thereof - Google Patents

Abstract

The present invention relates to the novel Tweezers for eye surgery of intraocular forceps type and its application method, which replaces previous monoblock type Tweezers for eye surgery, operation is simpler, easy to use by pushing slide to adopt a split structure to drive casing that scissors is promoted to merge using pushing block；By the press device that annular array is arranged, even if encounter needs left side or east side operation during surgery, the press device that needs can be directly selected is operated, without taking out scissors inside the eyeball or tweezers are adjusted direction and entered back into eyeball and operate, it performs the operation convenient for operator, while reducing the pain of patient.

Description

A new type of intraocular forceps type capsulorhexis forceps and using method thereof

technical field

The present invention relates to novel medical instruments, and more particularly, to a new type of intraocular forceps type capsulorhexis forceps and a method of using the same.

Background technique

Cataract is a common blinding eye disease in which the lens in the human eye becomes cloudy and causes vision loss. In the operation of cataract phacoemulsification, capsulorhexis is a very critical step. The main tool of capsulorhexis is capsulorhexis forceps. The forceps tip of the capsulorhexis forceps enters the anterior chamber through a minimally invasive incision and punctures the anterior capsule. , and then pinch the anterior capsular membrane to perform the capsulorhexis operation.

The existing capsulorhexis forceps have only one-way pinch or two-way pinch handles. If operation on the left or right side is required during the operation, the scissors or forceps should be taken out from the inside of the eyeball to adjust the direction, and then enter the eyeball to operate, increasing the the pain of the patient.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a new type of intraocular forceps with split omnidirectional operation and a method for using the same, aiming at the above-mentioned defects of the prior art.

The technical scheme adopted by the present invention to solve its technical problems is:

Provided is a new type of intraocular forceps capsulorhexis forceps, comprising a first shell and a second shell; a mounting plate is provided on the inner side wall of the first shell; the mounting plate is provided with a reciprocating motion relative to the mounting plate The sliding seat; the first shell is provided with a shearing device passing through the first shell; the second shell is provided with a turning sleeve for connecting the first shell and the second shell; The rotating sleeve is provided with a push block for driving the movement of the sliding seat; the side wall of the second casing is provided with a pressing device for driving the movement of the push block, and the pressing device is annularly arrayed on the second casing at the same angle on the side wall.

Further, the mounting plate is provided with a chute penetrating the mounting plate; the side of the mounting plate away from the second shell is provided with a number of guide blocks symmetrically arranged along the central axis of the mounting plate; the sliding The seat is provided with a first convex block embedded in the chute, and a limit block embedded between each of the guide blocks.

Further, a circular groove is provided on the side of the mounting plate close to the second shell; the shearing device includes a sleeve fixed on the sliding seat, a fixing block fixed in the circular groove, and a fixed A scissors rod on the fixing block and passing through the mounting plate and the sleeve; the scissors rod is provided with movable scissors on the side away from the first housing.

Further, a snap hole is provided on the side wall of the push block; the pressing device includes a button arranged on the side wall of the second housing and corresponding to the snap hole, and a button hinged on the button and connected to the button. the driving arm corresponding to the clamping hole; the driving arm is clamped on the clamping hole.

Further, the end of the driving arm is provided with a fourth protrusion; the clamping hole is provided with a blind hole near the inner side of the push block; the fourth protrusion is embedded in the blind hole.

Further, a second convex block is provided on the side of the rotating sleeve close to the first casing, and the second convex block is threadedly connected to the inner side wall of the first casing; the rotating sleeve is one side away from the first casing. The side is provided with a third convex block, and the third convex block is threadedly connected with the inner side wall of the second housing.

Further, a chamfer is provided at the contact between the first shell and the second bump.

A method for using a new intraocular forceps type capsulorhexis forceps, comprising the following steps:

The pressing device pushes the push block to squeeze the sliding seat;

The sliding seat pushes the shearing device for shearing.

Further, the step: the pressing device pushes the push block to squeeze the sliding seat, which specifically includes:

The button squeezes the drive arm, and the drive arm drives the push block to move and squeeze the slide.

Further, the step: the sliding seat pushes the shearing device for shearing, which specifically includes:

The slide drives the casing to move, and the casing squeezes the scissors to merge.

The beneficial effects of the present invention are: by using the push block to push the sliding seat, the sleeve is driven to promote the scissors to be combined, and the split structure is adopted to replace the previous integral capsulorhexis forceps, the operation is simpler and the use is convenient; , Even if you need to operate on the left or right side during the operation, you can directly select the required pressing device to operate, without taking out scissors or tweezers from the inside of the eyeball to adjust the direction and then enter the eyeball to operate, which is convenient for the operator to perform the operation. Reduce patient suffering.

Description of 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 below with reference to the accompanying drawings and embodiments. Ordinary technicians can also obtain other drawings based on these drawings without creative labor:

1 is a schematic diagram of the internal structure of a new intraocular forceps type capsulorhexis forceps in a preferred embodiment of the present invention;

Fig. 2 is the enlarged schematic diagram of place A in Fig. 1 in the preferred embodiment of the present invention;

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

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

5 is a left side schematic view of a new type of intraocular forceps capsulorhexis forceps in a preferred embodiment of the present invention;

6 is a schematic structural diagram of a sliding seat in a preferred embodiment of the present invention;

7 is a schematic structural diagram of a mounting plate in a preferred embodiment of the present invention;

8 is a schematic diagram of the external structure of a new type of intraocular forceps capsulorhexis forceps in a preferred embodiment of the present invention.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the following will describe clearly and completely the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, and Not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1 to 5 and 8, a new type of intraocular forceps capsulorhexis forceps comprises a first shell 1 and a second shell 2; the inner side wall of the first shell 1 is provided with There is a mounting plate 11; the mounting plate 11 is provided with a sliding seat 12 that can reciprocate relative to the mounting plate 11; the first casing 1 is provided with a shearing device passing through the first casing 1; the second casing 2 is provided with A rotating sleeve 21 connecting the first casing 1 and the second casing 2; the rotating sleeve 21 is provided with a push block 22 for driving the movement of the sliding seat 12; the side wall of the second casing 2 is provided with a pressing device for driving the movement of the push block 22 , the pressing devices are annularly arrayed on the side wall of the second housing 2 at the same angle.

Press the button 23, the button 23 drives the driving arm 231 to push the push block 22, the push block 22 squeezes the slide 12, the slide 12 moves after being squeezed, and drives the sleeve 123 to move along the scissors rod 131, and the sleeve 123 moves to the scissors 132 Squeeze the scissors 132 at the same angle, and the two scissors 132 are squeezed and merged. The button 23, the driving arm 231 and the clamping hole 221 are all arranged in a circular array at the same angle. Operate in either direction. When the button 23 is released, the spring pushes the sliding seat 12 back, and the push block 22 is pushed back by the sliding seat 12 .

In a further embodiment, as shown in FIG. 6 and FIG. 7 , the mounting plate 11 is provided with a chute 111 penetrating the mounting plate 11 ; Symmetrically arranged guide blocks 112; the sliding seat 12 is provided with a first convex block 121 embedded in the sliding groove 111, and a limit block 122 embedded between the guide blocks 112; the sliding direction of the sliding seat 12 is limited, It is ensured that the sliding seat 12 does not deviate from the position during the sliding process, so as to ensure the normal use of the capsulorhexis forceps.

In a further embodiment, as shown in FIG. 3 , a circular groove 113 is provided on the side of the mounting plate 11 close to the second housing 2 ; the shearing device includes a sleeve 123 fixed on the sliding seat 12 and fixed in the circular groove 113 The fixed block 13, and the scissors rod 131 fixed on the fixed block 13 and passing through the mounting plate 11 and the sleeve 123; the scissors rod 131 is provided with movable scissors 132 on the side away from the first shell 1; The rod 131 moves in the direction of the scissors 132. When the sleeve 123 contacts the scissors 132, the sleeve 123 presses the scissors 132 inward, and the scissors 132 are combined and clamped for use.

In a further embodiment, as shown in FIG. 4 , the side wall of the push block 22 is provided with a snap hole 221 ; the pressing device includes a button 23 arranged on the side wall of the second housing 2 and corresponding to the snap hole 221 , and a button 23 hinged on the side wall of the second housing 2 . The driving arm 231 on the button 23 and corresponding to the card hole 221; the driving arm 231 is stuck on the card 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 squeezes the sliding seat 12 for pinching anterior capsule.

In a further embodiment, as shown in FIG. 1 and FIG. 4 , the end of the driving arm 231 is provided with a fourth protrusion 232 ; the clamping hole 221 is provided with a blind hole 222 near the inner side of the push block 22 ; the fourth protrusion 232 is embedded in the blind hole 222 . In the hole 222; after use, the sliding seat 12 is pushed back to its original position by the elastic force of the spring, and at the same time pushes the push block 22 back to its original position.

In a further embodiment, as shown in FIG. 1 and FIG. 4 , a second protrusion 211 is provided on the side of the rotating sleeve 21 close to the first housing 1 , and the second protrusion 211 is threadedly connected to the inner side wall of the first housing 1 ; A third protrusion 212 is provided on the side of the sleeve 21 away from the first housing 1 . The third protrusion 212 is threadedly connected to the inner side wall of the second housing 2 .

In a further embodiment, as shown in FIG. 3 , a chamfer 14 is provided at the contact between the first housing 1 and the second bump 211 , which facilitates the connection between the first housing 1 and the rotating sleeve 21 , and facilitates installation or removal.

The present invention also provides a method for using the new intraocular forceps type capsulorhexis forceps, which, in conjunction with Figure 1, includes the following steps:

The pressing device pushes the push block 22 to squeeze the sliding seat 12;

The sliding seat 12 pushes the shearing device for shearing.

Press the button 23, the button 23 drives the driving arm 231 to push the push block 22, the push block 22 squeezes the slide 12, the slide 12 moves after being squeezed, and drives the sleeve 123 to move along the scissors rod 131, and the sleeve 123 moves to the scissors 132 Squeeze the scissors 132 at the same angle, and the two scissors 132 are squeezed and merged. The button 23, the driving arm 231 and the clamping hole 221 are all arranged in a circular array at the same angle. Operate in either direction. When the button 23 is released, the spring pushes the sliding seat 12 back, and the push block 22 is pushed back by the sliding seat 12 .

In a further embodiment, with reference to FIG. 1 to FIG. 5 , the steps: the pressing device pushes the push block 22 to squeeze the sliding seat 12 , which specifically includes:

The push button 23 squeezes the drive arm 231, the drive arm 231 drives the push block 22 to move, and squeezes the slide 12; pressing the button 23 drives the drive arm 231 against the push block 22, and the push block 22 is pushed by the drive arm 231 to approach the slide 12 Move in the direction to squeeze the sliding seat 12.

In a further embodiment, as shown in FIG. 3 , the step: the sliding seat 12 pushes the shearing device to perform shearing, which specifically includes:

The sliding seat 12 drives the sleeve 123 to move, and the sleeve 123 squeezes the scissors 132 to merge.

The sliding seat 12 is squeezed by the push block 22 to move, and drives the sleeve 123 to slide along the scissors rod 131 .

It should be understood that, for those skilled in the art, improvements or changes can be made according to the above description, and all these improvements and changes should fall within the protection scope of the appended claims of the present invention.

Claims (10)

1. a kind of novel Tweezers for eye surgery of intraocular forceps type, it is characterised in that: including the first shell and second housing；First shell Inner sidewall is equipped with mounting plate；The mounting plate is equipped with can the slide that moves back and forth of the relatively described mounting plate；Described The shear across first shell is equipped in one shell；The second housing is equipped with for connecting first shell And the pivoted housing of the second housing；The pushing block for driving slide to move is equipped in the pivoted housing；On the second housing side wall Equipped with the press device for driving pushing block to move, the press device is with identical angle annular array in the second housing On side wall.

2. Tweezers for eye surgery according to claim 1, which is characterized in that the mounting plate is equipped with the cunning through the mounting plate Slot；The mounting plate is equipped with several along the symmetrically arranged guide pad in mounting plate central axes far from the second housing side； The slide is equipped with the first convex block in the sliding slot and the limited block between each guide pad.

3. Tweezers for eye surgery according to claim 1, which is characterized in that the mounting plate is equipped with close to the second housing side Circular groove；The shear includes the casing being fixed on the slide, the fixed block being fixed in the circular groove and fixes On the fixed block and across the mounting plate and the scissors bar of described sleeve pipe；The scissors bar is far from first shell one Side is equipped with mobilizable scissors.

4. Tweezers for eye surgery according to claim 1, it is characterised in that: the pushing block side wall is equipped with card hole；It is described to press press fitting Set including be arranged on the second housing side wall and button corresponding with the card hole and be hinged on the button and with The corresponding actuating arm of the card hole；The actuating arm is stuck in the card hole.

5. Tweezers for eye surgery according to claim 4, which is characterized in that the actuating arm end is equipped with the 4th convex block；The card Hole is equipped with blind hole on the inside of the pushing block；4th convex block is in the blind hole.

6. Tweezers for eye surgery according to claim 1, which is characterized in that the pivoted housing is equipped with the close to first shell side Two convex blocks, second convex block are threadedly coupled with first housing interior side-wall；The pivoted housing is far from first shell side Equipped with third convex block, the third convex block is threadedly coupled with the second housing inner sidewall.

7. Tweezers for eye surgery according to claim 1, which is characterized in that be equipped at first shell and the second bump contact Angle.

8. a kind of application method of the novel Tweezers for eye surgery of intraocular forceps type, which comprises the following steps:

Press device pushes pushing block to squeeze slide；

Slide promotes shear to be sheared.

9. application method according to claim 8, it is characterised in that:

The step: press device pushes pushing block to squeeze slide, specifically includes:

Button squeezes actuating arm, and actuating arm drives pushing block mobile, squeezes slide.

10. application method according to claim 8, it is characterised in that:

The step: slide promotes shear to be sheared, and specifically includes:

Slide drive sleeve is mobile, and casing squeezes scissors and merges.