CN210277474U

CN210277474U - 20G crystal posterior capsule bearing auxiliary instrument

Info

Publication number: CN210277474U
Application number: CN201920180811.2U
Authority: CN
Inventors: 谢田华; 姚勇; 蒋敏锋
Original assignee: Wuxi Peoples Hospital
Current assignee: Wuxi Peoples Hospital
Priority date: 2019-02-01
Filing date: 2019-02-01
Publication date: 2020-04-10
Anticipated expiration: 2029-02-01

Abstract

The utility model relates to the technical field of machinery, in particular to a 20G crystal posterior capsule supporting auxiliary instrument, which comprises a handle, a connecting tube, a puncture head and an inner guide wire mesh. One end of the handle is provided with a connecting pipe, the end of the connecting pipe away from the handle is provided with a 20G puncture head, the top of the handle is provided with a first strip hole, and a rear slider and a front slider are arranged in the hole in sequence, and the bottom of the rear slider is tightly closed. A casing push rod is bonded, the upper end of the casing push rod passes through the first strip hole, the lower end side of the casing push rod is laterally tightly bonded with a casing, and the top of the casing is provided with a second strip hole, The bottom of the front slider is tightly bonded with a guide wire push rod, and the upper end of the guide wire push rod passes through the first strip hole and the second strip hole in sequence, and the guide wire of the rear slider and the front slider can be formed into a mesh by pushing the rear slider and the front slider in turn. Open. The utility model has the advantages of simple structure and convenient use, uses the guide wire mesh to hold the posterior capsule to prevent the crystal sinking, and the crystal is more stable during lifting. It can significantly reduce the surgical cost of patients and reduce intraoperative trauma.

Description

20G crystal posterior capsule bearing auxiliary instrument

Technical Field

The utility model relates to the technical field of machinery, specifically be a capsule bearing auxiliary devices behind 20G crystal.

Background

The patients with dislocation of the lens often encounter in ophthalmic surgery, the dislocation patients have great difficulty in surgery, on one hand, the position of the lens is not fixed due to the lack of traction of the suspensory ligament, the force is not easy to attach, and the capsulorhexis is difficult; on the other hand, during the ultrasonic emulsification operation, the crystal nucleus fragments are easy to fall into the vitreous cavity, and the crystal excision and the vitrectomy are needed.

The tension ring is clinically used at present, but the tension ring is only suitable for patients with a dislocation range of the crystal not exceeding 1/2, and when the dislocation range is larger, the tension ring can not effectively stabilize the position of the crystal. It has also been reported clinically that, when the crystalline lens is completely dislocated, the vitreous body may be first excised, and then the lens may be floated by filling heavy water into the eye to complete the cataract extraction operation. On the one hand, however, the vitreous body is cut completely to damage the intraocular structure greatly, increasing the risk of postoperative inflammatory reaction and resultant dehiscence in surgery; on the other hand, although the injection of heavy water can float the crystal in the pupillary region, the risk of residual heavy water in eyes also exists, and the heavy water is expensive, so a 20G crystal posterior capsule supporting auxiliary instrument is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a 20G crystal posterior capsule supporting auxiliary instrument, which solves the problems that the dislocation range of the crystal is large, the capsule can not be torn, and the crystal nucleus block falls into the vitreous cavity in the background technology; the vitreous body total incision has great damage to the intraocular structure, and increases the risks of postoperative inflammatory reaction and iatrogenic dehiscence in the operation; the injection of heavy water can float the crystal in the pupil area, but there is also a risk of residual heavy water in the eye, and the heavy water is expensive.

In order to achieve the above object, the utility model provides a following technical scheme:

A20G crystal posterior capsule supporting auxiliary instrument comprises a handle, wherein one end of the handle is provided with a connecting pipe, a puncture head and an internal guide wire. A 20G puncture head is arranged at one end of the connecting pipe, which is far away from the handle, and a rear sliding block and a front sliding block are sequentially arranged at the top of the handle;

first bar hole has been seted up at the top of handle, the bottom of back slider closely bonds and has the sleeve pipe push rod, first bar hole is passed to the upper end of sleeve pipe push rod, and the sleeve pipe has transversely closely bonded in sleeve pipe push rod's lower extreme one side, the second bar hole has been seted up to the sheathed tube lower part, the bottom of preceding slider closely bonds and has the seal wire push rod, first bar hole and second bar hole are passed in proper order to the upper end of seal wire push rod, the horizontal closely bonding in lower extreme one side of seal wire push rod has the seal wire rod, the one end that the seal wire push rod was kept away from to the seal wire rod is provided with a plurality of seal wires and connects.

Preferably, the connecting pipe is of a circular truncated cone-shaped structure, and the connecting pipe and the handle are of an integrally formed structure.

Preferably, one end of the 20G puncture head is tightly adhered to the connecting pipe.

Preferably, both ends of the guide wire are respectively and tightly welded with the surface of the guide wire rod.

Preferably, the sleeve push rod is connected with the first strip-shaped hole in a sliding mode, and the guide wire push rod is connected with the first strip-shaped hole in a sliding mode.

Preferably, the 20G puncture head is of a cylindrical structure.

Preferably, a plurality of anti-skidding lines are arranged on two sides of the rear sliding block and two sides of the front sliding block.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, convenient to use utilizes the seal wire to lift the back bag, and the prevention and cure crystal sinks, and the crystal is more stable when lifting, utilizes 20G puncture head with seal wire disect insertion vitreous body chamber, need not to excise with the help of the vitreous body, uses the device can show the operation expense that reduces the patient, reduces wound in the art, the utility model discloses very big practical value has, the facilitate promotion.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is one of the usage schematics of the present invention;

fig. 5 is a second schematic view of the present invention.

Fig. 6 is a third schematic view illustrating the use of the present invention.

In the figure: 1. a handle; 11. a first bar-shaped hole; 12. a connecting pipe; 13. 20G puncture head; 2. a rear slider; 21. anti-skid lines; 3. a front slider; 4. a sleeve push rod; 41. a sleeve; 411. A second bar-shaped hole; 5. a guide wire push rod; 51. a thread guide rod; 6. a guidewire.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-6, the present invention provides a technical solution:

the utility model provides a 20G crystal posterior capsule bearing auxiliary instrument, as shown in fig. 1 and 2, including handle 1, the one end of handle 1 is provided with connecting pipe 12, connecting pipe 12 is round platform shape structure, connecting pipe 12 and handle 1 be the integrated into one piece structure, the one end that handle 1 was kept away from to connecting pipe 12 is provided with 20G puncture head 13, 20G puncture head 13 is the cylinder structure, 20G puncture head 13's one end closely bonds with connecting pipe 12, the top of handle 1 has set gradually back slider 2 and preceding slider 3, the both sides of back slider 2 and preceding slider 3 all are provided with a plurality of anti-skidding lines 21.

Specifically, the 20G puncture head 13 adopts a 20G puncture needle manufactured by Hefei-an-Boro medical instrument Limited.

As shown in fig. 3, a first bar hole 11 has been seted up at the top of handle 1, the bottom of back slider 2 closely bonds and has sleeve pipe push rod 4, first bar hole 11 is passed through to sleeve pipe push rod 4's bottom, sleeve pipe push rod 4's the horizontal closely bonding in bottom one side has sleeve pipe 41, second bar hole 411 has been seted up at sleeve pipe 41's top, preceding slider 3's bottom closely bonds and has seal wire push rod 5, sleeve pipe push rod 4 and first bar hole 11 sliding connection, seal wire push rod 5 and first bar hole 11 sliding connection, first bar hole 11 and second bar hole 411 are passed in proper order to seal wire push rod 5's bottom, seal wire push rod 5's the horizontal closely bonding in bottom one side has seal wire rod 51, seal wire push rod 5's one end is kept away from to seal wire rod 51 is provided with a plurality of seal wires 6, seal wire 6's both ends respectively with seal wire rod 51's surface closely welds. The guide wire is made of memory steel wire, when the front and rear push rods are tightly attached, the guide wire is folded in the second strip-shaped hole 411 to form a bundle-shaped structure, and when the front and rear push rods are separated, the guide wire protrudes out of the second strip-shaped hole 411 and is opened in a plane net shape.

In addition, the rear slider 2 and the front slider 3 are made of rubber, and the rubber has the characteristics of good elasticity, insulation, water tightness, air and the like, so that the friction force can be increased when the hand is pushed.

When the 20G crystal posterior capsule jacking auxiliary instrument in the embodiment is used, the operation steps are as follows:

as shown in FIG. 3, first, puncture was performed at the pars plana (3.5-3.8 mm behind the corner scleral edge) with a 20G puncture blade, and a 20G puncture tip 13 was inserted through the puncture port, and it was confirmed through pupillary examination that the 20G puncture tip 13 entered the vitreous cavity;

as shown in fig. 4, the back slide block 2 is pushed slightly, at the moment, the sleeve at the front end of the intraocular sleeve push rod 4 is flush with the front end of the 20G puncture head 13, and the front slide block 3 is pushed continuously and slightly, so that the guide wire penetrates into the space under the posterior capsule of the lens and is gradually unfolded to be in a net shape;

finally, as shown in fig. 5, the position of the guide wire is properly adjusted by using the handle 1 until the guide wire contacts the posterior capsule of the crystal, and the crystal resection is performed after the crystal position is stabilized.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A 20G crystal posterior capsule supporting auxiliary device, comprising a handle (1), characterized in that: one end of the handle (1) is provided with a connecting pipe (12), and the connecting pipe (12) is far away from the handle (1). ) is provided with a 20G puncture head (13) at one end, and the top of the handle (1) is sequentially provided with a rear slider (2) and a front slider (3);

The top of the handle (1) is provided with a first strip hole (11), and the bottom of the rear slider (2) is tightly bonded with a sleeve push rod (4), the sleeve push rod (4) The upper end of the sleeve passes through the first strip hole (11), the lower end side of the sleeve push rod (4) is laterally tightly bonded with a sleeve (41), and the lower part of the sleeve (41) is provided with a second strip. A hole (411), the bottom of the front slider (3) is tightly bonded with a guide wire push rod (5), and the upper end of the guide wire push rod (5) passes through the first strip hole (11) and the The second strip hole (411), the lower end side of the guide wire push rod (5) is laterally and tightly adhered with a guide wire rod (51), and the guide wire rod (51) is far away from the guide wire push rod (5) One end of the guide wire (6) is provided.

2 . The 20G lens posterior capsule supporting auxiliary device according to claim 1 , wherein the connecting pipe ( 12 ) is in the shape of a truncated cone, and the connecting pipe ( 12 ) and the handle ( 1 ) are integrally formed. 3 . .

3. The 20G lens posterior capsule supporting auxiliary device according to claim 1, characterized in that: one end of the 20G puncture head (13) is tightly bonded to the connecting pipe (12).

4 . The 20G lens posterior capsule supporting auxiliary device according to claim 1 , wherein the two ends of the guide wire ( 6 ) are respectively tightly welded with the surface of the guide wire rod ( 51 ). 5 .

5. The 20G lens posterior capsule supporting auxiliary device according to claim 1, characterized in that: the sleeve push rod (4) is slidably connected with the first strip hole (11), and the guide wire push rod ( 5) Slidingly connected with the first strip hole (11).

6 . The 20G lens posterior capsule supporting auxiliary device according to claim 1 , wherein the 20G puncture head ( 13 ) is an oblique cylindrical structure. 7 .

7 . The 20G lens posterior capsule supporting auxiliary device according to claim 1 , characterized in that: several anti-skid lines ( 21 ) are provided on both sides of the rear slider ( 2 ) and the front slider ( 3 ). 8 .