CN116898500A

CN116898500A - Iris drag hook

Info

Publication number: CN116898500A
Application number: CN202211510536.9A
Authority: CN
Inventors: 李博; 卢谦益; 居悦俊; 张沥清; 李亦晨; 张耀平; 顾晨佳; 张陆平; 沈婷; 王冠怡
Original assignee: Suzhou Koneno Biotechnology Co ltd
Current assignee: Suzhou Koneno Biotechnology Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-10-20

Abstract

The application relates to the technical field of medical instruments, in particular to an iris drag hook which comprises a drag hook body and a perfusion tube, wherein the drag hook body comprises a connecting part and a traction part, the connecting part and the perfusion tube are integrally formed, and the traction part is bent towards one side of the perfusion tube. Through setting up the perfusion tube, when using iris drag hook, drip into the eyeball through the perfusion tube and balance the liquid, help keeping intraocular pressure balance, be convenient for operation.

Description

Iris drag hook

Technical Field

The application relates to the technical field of medical instruments, in particular to an iris retractor.

Background

In ophthalmic surgery, taking cataract surgery as an example, a puncture is made around the cornea, and then a drag hook is put in, and the iris is pulled by the drag hook, so that the pupil is dilated enough, and the operation is convenient.

At present, the existing drag hook mainly comprises a holding part and a traction part, wherein the holding part is connected with the traction part, the traction part is in a hook shape or a Y shape and is used for pulling the iris, and the holding part is convenient for a doctor to hold and operate.

However, in the operation process, the intraocular pressure is unbalanced, and the problem of eyeball dishing easily occurs, so that the operation is inconvenient.

Disclosure of Invention

The application provides an iris retractor for solving the problem of eyeball dishing caused by unbalanced intraocular pressure.

The application provides an iris retractor, which adopts the following technical scheme: the iris retractor comprises a retractor body and a perfusion tube, wherein the retractor body comprises a connecting part and a traction part, the connecting part and the perfusion tube are integrally formed, and the traction part bends towards one side of the perfusion tube.

Through adopting above-mentioned technical scheme, through setting up the perfusion tube, when using iris drag hook, instil into the eyeball through the perfusion tube and balance the liquid, help keeping intraocular pressure balance, be convenient for operation.

In a specific embodiment, the outer diameter of the perfusion tube is less than 1mm.

Through adopting above-mentioned technical scheme, through setting the external diameter of filling the pipe to be less than 1mm, can avoid once flowing out too much at the operation in-process balancing liquid as far as possible, can restrict the speed that balancing liquid flows out, realize better filling effect.

In a specific embodiment, the orifice of the end of the perfusion tube near the traction portion is a bevel cut.

Through adopting above-mentioned technical scheme, through setting up the inclined notch, because the inclined notch mouth of pipe is greater than the plain cut mouth to can guarantee to pour into the normal outflow of intraductal balanced liquid.

In a specific embodiment, the retractor body is removably coupled to the irrigation tube.

Through adopting above-mentioned technical scheme, can dismantle with filling the pipe through the drag hook body and be connected, be convenient for accomodate and clear up the drag hook body after the operation is accomplished, also be convenient for adjust the drag hook body with fill the relative position between the pipe to can adjust according to different doctors' use habit in the operation process.

In a specific implementation manner, the perfusion tube is provided with a first connecting ring, an opening is formed in one side, far away from the perfusion tube, of the first connecting ring, a plurality of fillets are formed in the inner wall of the first connecting ring, and the fillets are circumferentially distributed along the inner wall of the first connecting ring.

Through adopting above-mentioned technical scheme, through setting up the opening on first go-between, be convenient for install the drag hook body into in the first go-between, through setting up the fillet on the inner wall of first go-between, can increase the friction between drag hook body and the first go-between, avoid producing relative slip between drag hook body and the perfusion tube as far as possible in the operation in-process.

In a specific implementation manner, the perfusion tube is provided with a second connecting ring, the inner wall of the second connecting ring is provided with a plurality of silica gel sheets, and a plurality of silica gel sheets can be spliced into a wafer.

By adopting the technical scheme, the retractor body is inserted into the second connecting ring by arranging the second connecting ring, so that the retractor body is convenient to fix; through setting up a plurality of silica gel pieces, can increase the friction between drag hook body and the second go-between, avoid producing relative slip between drag hook body and the perfusion tube at the operation in-process as far as possible.

In a specific implementation manner, the perfusion tube is sleeved with an adjusting block, an adjusting component is arranged on the side wall on one side of the adjusting block, and a safety component is arranged on the side wall on one side, opposite to the adjusting component, of the adjusting block.

Through adopting above-mentioned technical scheme, through setting up adjusting part, adjusting part can adjust the velocity of flow of filling intraductal balancing liquid, through setting up the insurance subassembly, need under insurance subassembly and adjusting part's simultaneous action, just can realize the regulation to the drip speed, help avoiding the maloperation in the operation in-process as far as possible.

In a specific implementation mode, the adjusting component comprises an adjusting wheel and a connecting shaft, the connecting shaft penetrates through the adjusting wheel, the side wall on one side of the adjusting block is an inclined surface, a mounting groove for the adjusting wheel to penetrate through is formed in the inclined surface, a sliding groove is formed in the inner wall of the adjusting block, and the connecting shaft is slidably mounted in the sliding groove.

Through adopting above-mentioned technical scheme, through promote the regulating wheel in the mounting groove, the regulating wheel extrudees the filling pipe to can realize the regulation to filling intraductal balanced liquid velocity of flow according to the size of extrusion force, after filling, push the regulating wheel to extremely limit position, can realize the closure to filling the pipe.

In a specific implementation mode, the accommodating groove is formed in the side wall, away from one side of the inclined surface, of the adjusting block, the safety component comprises a sealing plate and a limiting plate, the sealing plate is rotationally connected to the side wall of the accommodating groove, a limiting cavity is formed in the side wall of the adjusting block, the limiting plate is slidably mounted in the limiting cavity, and the limiting plate is used for limiting the sealing plate to rotate.

By adopting the technical scheme, when the limiting plate is attached to the sealing plate, the limiting plate can limit the sealing plate and limit the sealing plate to rotate, so that extrusion of the perfusion tube can be realized when the adjusting wheel is pushed; when limiting plate and closing plate do not paste, promote the regulating wheel, regulating wheel promotes the filling pipe towards holding tank one side, fills the pipe and drives the closing plate and open, can't realize the regulation to filling intraductal balanced liquid droplet speed.

In a specific implementation mode, the side wall of one side, deviating from the adjusting wheel, of the adjusting block is provided with a limiting groove, the limiting groove is communicated with the accommodating cavity, the adjusting block is provided with a pushing block, the bottom wall of the pushing block is provided with a connecting plate, and the connecting plate penetrates through the limiting groove and is connected with the limiting plate.

Through adopting above-mentioned technical scheme, through setting up the impeller, be convenient for promote limiting plate in the use, through setting up the impeller on the lateral wall that deviates from connecting plate one side, in the operation in-process, be convenient for hold the finger in the regulating block both sides promote impeller and regulating wheel simultaneously, be convenient for operate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the perfusion tube, when the iris retractor is used, the balance liquid is dripped into the eyeball through the perfusion tube, so that the intraocular pressure balance is maintained, and the operation is convenient;

2. the retractor body is detachably connected with the perfusion tube, so that the retractor body is convenient to store and clean after the operation is finished, and the relative position between the retractor body and the perfusion tube is also convenient to adjust, so that the retractor body and the perfusion tube can be adjusted according to the use habits of different doctors in the operation process;

3. through setting up adjusting part, adjusting part can adjust the velocity of flow of filling intraductal balancing liquid, through setting up the insurance subassembly, need under insurance subassembly and adjusting part's simultaneous action, just can realize dripping the regulation of speed, help avoiding the maloperation in the operation in-process as far as possible.

Drawings

Fig. 1 is a schematic structural view of embodiment 1 of the present application.

Fig. 2 is a schematic structural view of embodiment 2 of the present application.

Fig. 3 is a schematic structural view of embodiment 3 of the present application.

Fig. 4 is a schematic structural view of embodiment 4 of the present application.

Fig. 5 is a sectional view showing the internal structure of the adjusting block in embodiment 4 of the present application.

Fig. 6 is a schematic structural view of an adjusting unit in embodiment 4 of the present application.

Fig. 7 is an enlarged view at a in fig. 5.

Reference numerals illustrate:

1. a drag hook body; 2. a perfusion tube; 3. a connection part; 4. a traction section; 5. a first connection ring; 6. fillets; 7. a second connecting ring; 8. a silicone sheet; 9. an adjusting block; 10. an adjustment assembly; 11. a safety component; 12. an adjusting wheel; 13. a connecting shaft; 14. a mounting groove; 15. a chute; 16. a closing plate; 17. a limiting plate; 18. a receiving groove; 19. a spacing cavity; 20. a limit groove; 21. a connecting plate; 22. pushing the block.

Detailed Description

The present application will be described in further detail with reference to the accompanying drawings.

Example 1:

the embodiment of the application discloses an iris retractor, which comprises a retractor body 1 and a perfusion tube 2, wherein the perfusion tube 2 is a silica gel hose, the retractor body 1 comprises a connecting part 3 and a traction part 4, the connecting part 3 and the perfusion tube 2 are integrally formed, and the traction part 4 is bent towards one side of the perfusion tube 2. The perfusion tube 2 is used for allowing balance liquid to pass through, in the operation process, a puncture is firstly made around the cornea, and the balance liquid is introduced into the eye to keep the pressure in the eye balanced; the iris is pulled by the traction part 4, so that the pupil is dilated enough, and the operation is convenient. The outer diameter of the pouring tube 2 is smaller than 1mm, and in order to facilitate the balance liquid to smoothly flow out of the pouring tube 2, the tube orifice of the pouring tube 2, which is close to one end of the traction part 4, is arranged as an oblique incision.

The implementation principle of the embodiment of the application is as follows: firstly, introducing balance liquid into the eye to balance the intraocular pressure; the iris is pulled by the traction part 4, so that the pupil is dilated enough, and the operation is convenient.

Example 2:

the difference between the embodiment of the present application and the embodiment 1 is that, referring to fig. 2, two first connecting rings 5 are fixed on the pouring tube 2, the two first connecting rings 5 are arranged at intervals, the first connecting rings 5 are made of silica gel, an opening is arranged on one side of the first connecting rings 5 far away from the pouring tube 2, a plurality of fillets 6 are integrally formed on the inner wall of the first connecting rings 5, and the fillets 6 are arranged along the inner circumference of the first connecting rings 5. Through setting up the opening, drag hook body 1 can follow the opening part embedding in the first go-between 5, through setting up the fillet 6, can strengthen the friction between drag hook body 1 and the first go-between 5, avoid producing the displacement between first go-between 5 and the drag hook body 1 when using as far as possible. In addition, through the detachable connection of drag hook body 1 and filling pipe 2, be convenient for dismantle and change drag hook body 1 after the use, also can adjust the relative position between drag hook body 1 and the filling pipe 2 before the use.

The implementation principle of the embodiment of the application is as follows: the drag hook body 1 is arranged in the first connecting ring 5 from the opening, and the installation between the first connecting ring 5 and the drag hook body 1 is completed. Then introducing balance liquid into the eyes to keep the pressure in the eyes balanced; the iris is pulled by the traction part 4, so that the pupil is dilated enough, and the operation is convenient. After the operation is finished, the drag hook body 1 is conveniently taken out from the first connecting ring 5 for cleaning and storage.

Example 3:

the difference between the embodiment of the present application and the embodiment 1 is that, referring to fig. 3, two second connection rings 7 are fixed on the pouring tube 2, the two second connection rings 7 are arranged at intervals, the second connection rings 7 are made of silica gel materials, a plurality of silica gel sheets 8 are fixed on the inner wall of the second connection ring 7, and the plurality of silica gel sheets 8 can be spliced into a wafer. The retractor body 1 is penetrated into the second connecting ring 7, and the retractor body 1 can be fixed through friction between the silica gel sheet 8 and the retractor body 1, so that the retractor body 1 is convenient to install and detach.

The implementation principle of the embodiment of the application is as follows: the drag hook body 1 passes through the second connecting ring 7, so that the second connecting ring 7 of the drag hook body 1 is connected, and then balance liquid is introduced into the eye, so that the intraocular pressure is kept balanced; the iris is pulled by the traction part 4, so that the pupil is dilated enough, and the operation is convenient. After the operation is finished, the drag hook body 1 is conveniently taken out from the second connecting ring 7, and is convenient to clean and store.

Example 4:

referring to fig. 4 and 5, the embodiment of the present application is different from embodiment 1 in that, referring to fig. 4, an adjusting block 9 is slidably sleeved on the pouring tube 2, and the adjusting block 9 is cylindrical, so that the pouring tube is convenient to hold in use. The drag hook body 1 is fixed on the lateral wall of adjusting block 9 length direction one side, is equipped with adjusting part 10 on the lateral wall of adjusting block 9 width direction one side, is equipped with insurance subassembly 11 on the lateral wall of adjusting block 9 and on the side opposite with adjusting part 10.

Referring to fig. 5 and 6, the adjustment assembly 10 includes an adjustment wheel 12 and a connection shaft 13, and the connection shaft 13 is coaxially fixed to the adjustment wheel 12. The lateral wall on one side of the regulating block 9 is an inclined plane, a mounting groove 14 for the regulating wheel 12 to pass through is formed in the inclined plane, a sliding groove 15 is formed in the inner wall of the regulating block 9, and the connecting shaft 13 is slidably mounted in the sliding groove 15. With reference to fig. 4, when the regulating wheel 12 is pushed toward the side close to the traction portion 4, the flow rate of the balance liquid in the pouring tube 2 can be reduced.

Referring to fig. 5 and 7, the safety assembly 11 includes a closing plate 16 and a limiting plate 17. The side wall of the adjusting block 9 opposite to the adjusting component 10 is provided with a containing groove 18, and the closing plate 16 is rotatably connected to the inner wall of the containing groove 18. The lateral wall that the regulating block 9 deviates from regulating assembly 10 side has still offered spacing chamber 19, and limiting plate 17 slidable mounting is in spacing chamber 19, has offered spacing groove 20 on the lateral wall of regulating block 9, and spacing groove 20 is linked together with spacing chamber 19. A connecting plate 21 is fixed on the limiting plate 17, a pushing block 22 is arranged at the top end of the connecting plate 21, and the connecting plate 21 penetrates through the limiting groove 20 and is fixedly connected with the pushing block 22.

Referring to fig. 5 and 6, the limiting plate 17 limits the closing plate 16 by pushing the pushing block 22, and limits the closing plate 16 from rotating. Then the adjusting wheel 12 is pushed to slide in the mounting groove 14, and the adjustment of the flow velocity of the balance liquid in the pouring tube 2 is realized by controlling the extrusion force of the adjusting wheel 12 to the pouring tube 2. When the pushing block 22 is not in contact with the closing plate 16, the adjusting wheel 12 is pushed, the adjusting wheel 12 pushes the pouring tube 2 towards one side of the accommodating groove 18, the pouring tube 2 pushes away the closing plate 16, and the pouring tube 2 generates small deformation, so that the adjusting wheel 12 is pushed on the premise of not limiting the closing plate 16, and the dripping speed is difficult to adjust. So that erroneous pushing of the regulating wheel 12 can be prevented during the operation.

The implementation principle of the embodiment of the application is as follows: when the limiting plate 17 is not contacted with the closing plate 16, the regulating block 9 is arranged on the pouring tube 2, and the regulating wheel 12 is pushed to difficultly regulate the dripping speed of the balance liquid in the pouring tube 2. When the limiting plate 17 is in contact with the closing plate 16, the adjusting wheel 12 is pushed, and the pouring tube 2 is extruded between the adjusting wheel 12 and the closing plate 16, so that the adjusting wheel 12 can be pushed to realize the adjustment of the balanced liquid dropping speed in the pouring tube 2. After the balance liquid is introduced, the iris is expanded through the traction part 4, so that the operation is convenient.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. An iris retractor, which is characterized in that: the novel infusion tube comprises a draw hook body (1) and an infusion tube (2), wherein the draw hook body (1) comprises a connecting portion (3) and a traction portion (4), the connecting portion (3) and the infusion tube (2) are integrally formed, and the traction portion (4) bends towards one side of the infusion tube (2).

2. An iris retractor according to claim 1, wherein: the outer diameter of the perfusion tube (2) is smaller than 1mm.

3. An iris retractor according to claim 1, wherein: the pipe orifice of one end of the pouring pipe (2) close to the traction part (4) is an inclined incision.

4. An iris retractor according to claim 1, wherein: the perfusion tube (2) is sleeved with an adjusting block (9), an adjusting component (10) is arranged on the side wall on one side of the adjusting block (9), and a safety component (11) is arranged on the side wall, opposite to the adjusting component (10), of the adjusting block (9).

5. An iris retractor of claim 4 wherein: the adjusting assembly (10) comprises an adjusting wheel (12) and a connecting shaft (13), the connecting shaft (13) penetrates through the adjusting wheel (12), the side wall on one side of the adjusting block (9) is an inclined surface, a mounting groove (14) for the adjusting wheel (12) to penetrate through is formed in the inclined surface, a sliding groove (15) is formed in the inner wall of the adjusting block (9), and the connecting shaft (13) is slidably mounted in the sliding groove (15).

6. An iris retractor of claim 5 wherein: the utility model discloses a safety device for the automobile, including adjusting block (9), limiting plate (17) and limiting plate (17), including sealing plate (16) and limiting plate (17) have been seted up on the lateral wall of adjusting block (9) deviating from inclined plane one side, sealing plate (16) rotate and connect on the lateral wall of accommodating groove (18), spacing chamber (19) have been seted up on the lateral wall of adjusting block (9), limiting plate (17) slidable mounting is in spacing chamber (19), limiting plate (17) are used for restricting sealing plate (16) rotation.

7. An iris retractor of claim 6 wherein: the side wall of the adjusting block (9) is provided with a limiting groove (20), the limiting groove (20) is communicated with the accommodating cavity, the adjusting block (9) is provided with a pushing block (22), the bottom wall of the pushing block (22) is provided with a connecting plate (21), and the connecting plate (21) penetrates through the limiting groove (20) and is connected with the limiting plate (17).

8. An iris retractor according to claim 1, wherein: the drag hook body (1) is detachably connected with the perfusion tube (2).

9. An iris retractor of claim 8 wherein: be equipped with first go-between (5) on filling pipe (2), one side that filling pipe (2) were kept away from to first go-between (5) is equipped with the opening, be equipped with a plurality of fillets (6) on the inner wall of first go-between (5), fillets (6) are arranged along the inner wall circumference of first go-between (5).

10. An iris retractor of claim 8 wherein: be equipped with second go-between (7) on filling pipe (2), be equipped with a plurality of silica gel piece (8) on the inner wall of second go-between (7), a plurality of silica gel piece (8) can amalgamate into the disk.