CN219538589U - ICL hydrophilic crystal's bolus injection system - Google Patents

Abstract

The utility model relates to a crystal injection device, and in order to improve the injection efficiency of ICL crystals and reduce the damage, the utility model provides an ICL hydrophilic crystal injection system, which comprises an injection cylinder, a push rod slidingly arranged in the injection cylinder, and a loading bin detachably connected with one end part of the injection cylinder; both ends of the loading bin are open ends, and the loading bin is used for containing crystals. The ICL hydrophilic crystal pushing and injecting system can effectively improve the pushing and injecting efficiency of the crystal and reduce the risk of damage to the crystal.

Description

ICL hydrophilic crystal's bolus injection system

Technical Field

The utility model relates to the technical field of crystal injection devices, in particular to an ICL hydrophilic crystal injection system.

Background

ICL is an intraocular lens with a crystalline eye for use in the surgical correction of myopia and myopia with astigmatism. Unlike intraocular lenses used in cataract surgery, ICL does not replace the human body's own lens, but is placed in the posterior chamber area of the eye in front of the lens. ICL (implantable contact lens) is used to implant crystals into the eye conveniently and quickly by minimally invasive surgery.

The ICL hydrophilic crystal is used as three medical instruments, the thickness is extremely small, the difference between the riding height and the arch height is only about 0.15mm, the possibility of damage in the taking process is high, and the ICL hydrophilic crystal is also the main reason that the traditional crystal injector is not suitable for the ICL hydrophilic crystal (the crystal needs to be pushed into the human eye by using an injector in the process of being implanted into the human eye, and the injector is used in the process). Therefore, ICL hydrophilic crystal implantation surgery can only purchase a special injector, but the current domestic ICL injector market is almost monopolized by foreign products, and the ICL injector has the advantages of complex structure, inconvenient use, high price and lack of innovation.

Research and development are convenient to use, reliability is high, cost is lower domestic injector becomes the leading edge and the focus in ICL hydrophilic crystal field, but ICL hydrophilic crystal injector that can realize these points simultaneously has not yet appeared in the present market, has the crystal easily to damage, uses inconvenient, problem such as high price. In summary, research on reliable and practical domestic ICL hydrophilic crystal injector is a current urgent problem to be solved.

Disclosure of Invention

The utility model aims to provide a push injection system of ICL hydrophilic crystals, which can effectively improve the push injection efficiency of the crystals and reduce the risk of damage to the crystals.

The embodiment of the utility model is realized by the following technical scheme: the ICL hydrophilic crystal pushing and injecting system comprises an injection cylinder, a push rod arranged in the injection cylinder in a sliding manner, and a loading bin detachably connected with one end part of one end of the injection cylinder; both ends of the loading bin are open ends, and the loading bin is used for containing crystals.

Further, a clamping groove is formed in the end part, close to the loading bin, of the injection cylinder, and a clamping block is arranged on the side wall of the loading bin; the clamping block is detachably clamped in the clamping groove.

Further, the clamping groove is L-shaped.

Further, a notch is formed in the side wall of one end of the loading bin, which is arranged in the injection cylinder.

Further, a guide ring is fixedly arranged on the inner wall of one end of the injection cylinder, which is close to the loading bin; the push rod is in sliding connection with the guide ring.

Further, a spring is sleeved on the outer wall of the push rod, one end of the spring is connected with the guide ring, and the other end of the spring is connected with the outer wall of the push rod.

Further, a limiting groove is formed in the side wall of one end, far away from the loading bin, of the injection cylinder, and a limiting block is arranged on the outer wall of the push rod; the limiting groove is matched with the limiting block.

Further, a guide strip is arranged on the outer wall of the push rod along the axial direction, and a guide groove is arranged on the inner wall of the injection cylinder; the guide strip is arranged in the guide groove in a sliding manner.

The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects: before the ICL hydrophilic crystal pushing and injecting system is used, a small amount of balanced salt solution is used for wetting the loading bin, forceps are used for clamping the non-optical area of the crystal, the crystal is loaded into the loading bin with the front face facing upwards, the crystal is placed on a curved surface flow channel of the loading bin, and soft forceps are used for pressing the central axis of the crystal to deform along the curved surface flow channel and keep the turnover trend. The crystal non-optical zone was then gripped and pulled 8mm near the exit by pulling forceps from the exit end of the loading bay into the loading bay, which was then immersed in the balanced salt solution. When in use, the loading bin is picked up by hands, a proper amount of viscoelastic agent is injected into the inner surface of the loading bin, and the loading bin is connected with the injection cylinder. The push rod is pushed reciprocally and progressively until the crystal moves to the vicinity of the loading bin outlet, and the pushing is stopped, so that the crystal can be ready to enter human eyes. After entering human eyes, the push rod is slowly pushed to push the crystal to advance until the crystal is completely separated from the loading bin and is smoothly unfolded in the human eyes, and subsequent adjustment work can be performed. In the whole use process, ICL hydrophilic crystal is not easy to generate the phenomena of optical area damage, blocking, falling-out and the like; simple structure, small and exquisite light, reduced manufacturing cost when optimizing the use and experienced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a bolus injection system for ICL hydrophilic crystals according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of a bolus injection system for ICL hydrophilic crystals according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a structure of a slot portion according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a loading bay portion according to an embodiment of the present utility model;

FIG. 5 is a schematic structural view of a pushrod portion according to an embodiment of the present utility model;

FIG. 6 is an enlarged view of portion A of FIG. 2;

fig. 7 is an enlarged view of a portion B of fig. 2.

Icon: the device comprises a 10-injection cylinder, a 11-clamping groove, a 12-limiting ring, a 13-limiting groove, a 14-push rod, a 15-limiting block, a 16-spring, a 17-guide strip, a 18-flexible rubber sleeve, a 21-loading bin, a 22-notch and a 23-clamping block.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which a product of the application is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

As will be further described with reference to the following specific embodiments, as shown in fig. 1 to 7, the injection system for ICL hydrophilic crystals in this embodiment comprises a syringe 10, a push rod 14 slidably disposed in the syringe 10, and a loading compartment 21 detachably connected to one end of the syringe 10; both ends of the loading bin 21 are open ends, and the loading bin 21 is used for containing crystals. Specifically, before use, a small amount of balanced salt solution is used for wetting the loading bin 21, forceps are used for clamping the non-optical area of the crystal, the front face of the crystal is upwards loaded into the loading bin 21 and placed on a curved surface flow channel of the loading bin 21, and soft forceps are used for pressing the central axis of the crystal, so that the crystal deforms along the curved surface flow channel and the turnover trend is kept. The crystal non-optical zone was then gripped and pulled 8mm near the exit by pulling forceps from the exit end of the loading bin 21 into the loading bin 21, and the loading bin 21 was then immersed in the balanced salt solution. When in use, the loading bin 21 is lifted by hands, a proper amount of viscoelastic agent is injected into the inner surface of the loading bin 21, and the loading bin 21 is connected with the injection cylinder 10. Pushing the push rod 14 reciprocally and progressively until the crystal moves to near the exit of the loading bay 21, stopping pushing, ready for entry into the human eye. After entering the human eye, the push rod 14 is slowly pushed to push the crystal to advance until the crystal is completely separated from the loading bin 21 and is smoothly unfolded in the human eye, and the subsequent adjustment work can be performed. In the whole use process, ICL hydrophilic crystal is not easy to generate the phenomena of optical area damage, blocking, falling-out and the like; simple structure, small and exquisite light, reduced manufacturing cost when optimizing the use and experienced.

The end part of the injection tube 10, which is close to the loading bin 21, is provided with a clamping groove 11, and the side wall of the loading bin 21 is provided with a clamping block 23; the clamping block 23 is detachably clamped in the clamping groove 11. The clamping groove 11 is L-shaped. Specifically, as shown in fig. 3 to 4, when connecting the syringe 10 and the loading compartment 21, the loading compartment 21 is simply inserted into the syringe 10, and the clamping block 23 is clamped into the clamping groove 11, and then the loading compartment 21 is rotated. The L-shaped clamping groove 11 can effectively prevent the loading bin 21 from falling out in the using process.

The loading compartment 21 in this embodiment is provided with a notch 22 in a sidewall of one end of the syringe 10. In particular, this allows for more convenient placement of crystals into the loading bay 21 through the gap 22 and also more convenient filling of the loading bay 21 with viscoelastic agent.

The inner wall of one end of the injection cylinder 10, which is close to the loading bin 21, is fixedly provided with a guide ring; the push rod 14 is slidingly connected with the guide ring. The outer wall of the push rod 14 is provided with a guide strip 17 along the axial direction, and the inner wall of the injection cylinder 10 is provided with a guide groove; the guide bar 17 is slidably disposed in the guide groove. Specifically, the arrangement of the guide ring and the cooperation of the guide strip 17 and the guide groove can ensure that the push rod 14 stably advances along the axis of the injection cylinder 10, wherein a soft rubber sleeve 18 can be arranged at the end part of the push rod 14, and the soft rubber sleeve 18 can better contact with the inner wall of the loading bin 21, so that the pressure of all parts is basically consistent.

The outer wall of the push rod 14 in the embodiment is sleeved with a spring 16, one end of the spring 16 is connected with the guide ring, and the other end of the spring is connected with the outer wall of the push rod 14. In particular, the spring 16 acts to prevent the pushrod 14 from pressing too quickly to cause crystal damage.

The side wall of one end of the injection cylinder 10 far away from the loading bin 21 in the embodiment is provided with a limit groove 13, and the outer wall of the push rod 14 is provided with a limit block 15; the limit groove 13 is matched with the limit block 15. Specifically, as shown in fig. 7, the cooperation of the limiting groove 13 and the limiting block 15 can prevent the push rod 14 from sliding out of the syringe 10.

In summary, in the injection system of ICL hydrophilic crystal of this embodiment, a small amount of balanced salt solution is used to wet the loading bin 21 before use, the non-optical area of the crystal is clamped by tweezers, the crystal is loaded into the loading bin 21 with the front face facing upwards, and placed on the curved flow channel of the loading bin 21, and the central axis of the crystal is pressed by soft tweezers to deform along the curved flow channel and keep the turnover trend. The crystal non-optical zone was then gripped and pulled 8mm near the exit by pulling forceps from the exit end of the loading bin 21 into the loading bin 21, and the loading bin 21 was then immersed in the balanced salt solution. When in use, the loading bin 21 is lifted by hands, and a proper amount of viscoelastic agent is injected into the inner surface of the loading bin 21 again, so that the loading bin 21 is connected with the injection cylinder 10. Pushing the push rod 14 reciprocally and progressively until the crystal moves to near the exit of the loading bay 21, stopping pushing, ready for entry into the human eye. After entering the human eye, the push rod 14 is slowly pushed to push the crystal to advance until the crystal is completely separated from the loading bin 21 and is smoothly unfolded in the human eye, and the subsequent adjustment work can be performed. In the whole use process, ICL hydrophilic crystal is not easy to generate the phenomena of optical area damage, blocking, falling-out and the like; simple structure, small and exquisite light, reduced manufacturing cost when optimizing the use and experienced.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. A bolus injection system for ICL hydrophilic crystals, characterized in that: the device comprises a syringe, a push rod arranged in the syringe in a sliding manner, and a loading bin detachably connected with one end part of one end of the syringe; both ends of the loading bin are open ends, and the loading bin is used for containing crystals.

2. The bolus system of ICL hydrophilic crystals as defined in claim 1, wherein: a clamping groove is formed in the end part, close to the loading bin, of the injection cylinder, and a clamping block is arranged on the side wall of the loading bin; the clamping block is detachably clamped in the clamping groove.

3. The bolus system of ICL hydrophilic crystals as defined in claim 2, wherein: the clamping groove is L-shaped.

4. The bolus system of ICL hydrophilic crystals as defined in claim 1, wherein: the loading bin is arranged on the side wall of one end in the injection cylinder and is provided with a notch.

5. The bolus system of ICL hydrophilic crystals as defined in claim 1, wherein: a guide ring is fixedly arranged on the inner wall of one end of the injection cylinder, which is close to the loading bin; the push rod is in sliding connection with the guide ring.

6. The system for bolus injection of ICL hydrophilic crystals as defined in claim 5, wherein: the push rod outer wall cover is equipped with the spring, spring one end with the guide ring is connected, the other end with the push rod outer wall is connected.

7. The bolus system of ICL hydrophilic crystals as defined in claim 1, wherein: a limiting groove is formed in the side wall of one end, far away from the loading bin, of the injection cylinder, and a limiting block is arranged on the outer wall of the push rod; the limiting groove is matched with the limiting block.

8. The bolus system of ICL hydrophilic crystals as defined in claim 1, wherein: the outer wall of the push rod is provided with a guide strip along the axial direction, and the inner wall of the injection cylinder is provided with a guide groove; the guide strip is arranged in the guide groove in a sliding manner.