CN213525854U - Crystal injector for ophthalmologic operation - Google Patents

Abstract

The utility model provides a crystal injector for ophthalmologic operation, which comprises an injection cylinder, a push rod and a crystal clamp, wherein the top end of the injection cylinder is provided with a clamping groove, the crystal clamp is arranged in the clamping groove, the injection cylinder is vertically provided with the push rod, the top end of the injection cylinder is an injection nozzle, the inner wall of the injection cylinder is transversely provided with a sliding groove, the top end inside the injection cylinder is provided with an inner conduit, one end of the inner conduit is communicated with the injection nozzle, the crystal clamp is composed of a front clamping plate, a rear clamping plate, a circular connecting part and a sliding block, the left ends of the front clamping plate and the rear clamping plate are connected with the circular connecting part, the outer sides of the front clamping plate and the rear clamping plate are provided with the sliding block, the inner side of the front clamping plate is provided with a lower U-shaped groove, the inner side of the rear clamping plate is provided with an upper U-shaped groove, the bottom end of the crystal bin, the crystal clamp is transversely inserted into the clamping groove, so that the crystal clamp is not influenced by an injection head during installation, and the installation is convenient and quick.

Description

Crystal injector for ophthalmologic operation

Technical Field

The utility model relates to an ophthalmology medical instrument field especially relates to an ophthalmic surgery is with crystal injection ware.

Background

At present, the intraocular lens is generally implanted in cataract surgery by using an intraocular lens injector, the surgical incision is small, the injury to eyes is small, and the postoperative recovery is easy. The intraocular lens injector is by injecting the letter, the crystal presss from both sides and the push rod is constituteed, the draw-in groove has been seted up to injection section of thick bamboo front end, the crystal presss from both sides and installs in the draw-in groove of injection section of thick bamboo front end, current crystal clamp generally all has the injection head, so the draw-in groove is seted up relatively longer, need press from both sides the crystal insert the draw-in groove and then push forward when the crystal presss from both sides the installation, this kind of structure is very inconvenient when the crystal presss from both sides the installation, not only the card is put the difficulty, and hardly take out after using, and because the draw-in groove is seted up relatively longer, the crystal presss from both sides easily and.

Disclosure of Invention

According to the technical problem, the utility model provides a crystal injector for ophthalmologic operation, which is characterized in that the injector comprises an injector barrel, a push rod and a crystal clamp, wherein a clamping groove is arranged on the side surface of the top end of the injector barrel, the length and the width of the clamping groove are consistent with those of the crystal clamp, the crystal clamp is arranged in the clamping groove, and the push rod is vertically arranged on the injector barrel;

the injection device comprises an injection cylinder, a push injection cylinder, a handle, a sliding chute, an inner guide pipe and an injection nozzle, wherein the push injection cylinder is of a rectangular structure, the bottom end of the push injection cylinder is provided with the handle, the handle and the push injection cylinder are of an integral structure, the top end of the push injection cylinder is provided with the injection nozzle, the left inner wall and the right inner wall of the push injection cylinder are respectively provided with a strip-shaped limiting block, the front inner wall and the rear inner wall of the top end of the push injection cylinder are respectively and transversely provided with;

the push rod consists of a rod body, a push handle and a front-end push rod, the bottom end of the rod body is connected with the push handle, the top end of the rod body is provided with the front-end push rod, the left side surface and the right side surface of the rod body are respectively provided with a strip-shaped limiting groove, and the top end of the front-end push rod is of a conical structure;

the crystal presss from both sides for the plastics material, the crystal presss from both sides by preceding cardboard, back cardboard, ring connecting portion and sliding block and constitutes, preceding cardboard and back cardboard left end are connected with ring connecting portion respectively, preceding cardboard and the back cardboard outside are provided with the slider respectively, the joint groove has been seted up to preceding cardboard right-hand member, back cardboard right-hand member is provided with mesa and joint piece, preceding cardboard supports on the mesa of back cardboard, the joint groove of preceding cardboard and the joint piece joint of back cardboard, preceding cardboard inboard central authorities are provided with down U type groove, back cardboard inboard central authorities are provided with U type groove, go up the interlock formation crystal storehouse between U type groove and the lower U type groove, crystal storehouse bottom is the toper structure, the slider card of crystal clamp is gone into in the spout, the axis of front end injection pole, inner catheter and injection nozzle is on a straight line.

The utility model has the advantages that:

the utility model discloses a set up the inner conduit in the injection section of thick bamboo, the inner conduit plays the effect of being connected crystal clamp and injection nozzle, makes the crystal clamp save the setting of injection head, the length of draw-in groove of the utility model and width are unanimous with the crystal clamp, during the installation directly transversely insert the crystal clamp into the draw-in groove can, can not receive the influence of injection head during the installation, and simple to operate is swift;

the utility model discloses a spout has been seted up to a notes section of thick bamboo inner wall, is provided with the slider on the crystal presss from both sides, and when the installation crystal pressed from both sides, the slider made the crystal press from both sides and transversely slided into a notes section of thick bamboo along the spout, and the spout makes the crystal press from both sides and can not follow a notes section of thick bamboo and produce axial displacement and displacement around with, the utility model discloses a top of crystal storehouse bottom for toper structure and front end injection pole also is the toper structure, and when the push rod pushed up in the injection, the front end injection pole can make the axis in crystal storehouse align rather than automatic, does not need any latch mechanism, and the axis of front end injection pole, crystal storehouse, inner catheter and injection nozzle has just gone up on a straight line like this.

Drawings

Fig. 1 is a front view of the present invention;

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

FIG. 3 is a sectional view of a front view of the plunger of the present invention;

fig. 4 is a cross-sectional view of a side view of the plunger of the present invention;

FIG. 5 is a front view of the push rod of the present invention;

fig. 6 is a side view of the push rod of the present invention;

FIG. 7 is a front view of the crystal clamp of the present invention;

FIG. 8 is a top view of the crystal holder of the present invention;

FIG. 9 is a side view of a crystal holder of the present invention;

fig. 10 is a cross-sectional view of the front view of the present invention;

fig. 11 is a cross-sectional view of a side view of the present invention;

FIG. 12 is an enlarged view of portion A of FIG. 10;

fig. 13 is an enlarged view of a portion B in fig. 11.

As shown in the figure: 1-syringe, 2-neck, 3-handle, 4-injection nozzle, 5-bar-shaped stopper, 6-chute, 7-inner catheter, 8-rod, 9-push handle, 10-front-end syringe rod, 11-bar-shaped stopper groove, 12-front clamping plate, 13-rear clamping plate, 14-ring connecting part, 15-slider, 16-clamping groove, 17-table surface, 18-clamping block, 19-lower U-shaped groove, 20-upper U-shaped groove, and 21-crystal bin.

Detailed Description

Example 1

The utility model provides a crystal injector for ophthalmologic operation, which is characterized in that the crystal injector comprises an injection cylinder 1, a push rod and a crystal clamp, a clamping groove 2 is arranged on the side surface of the top end of the injection cylinder 1, the length and the width of the clamping groove 2 are consistent with those of the crystal clamp, the crystal clamp is arranged in the clamping groove 2, and the push rod is vertically arranged on the injection cylinder 1;

the injection device comprises an injection barrel 1, a handle 3, a strip-shaped limiting block 5, a sliding groove 6, an inner conduit 7 and an injection nozzle 4, wherein the injection barrel 1 is of a rectangular structure, the bottom end of the injection barrel 1 is provided with the handle 3, the handle 3 and the injection barrel 1 are of an integral structure, the top end of the injection barrel 1 is provided with the injection nozzle 4, the left inner wall and the right inner wall of the injection barrel 1 are respectively provided with the strip-shaped limiting block 5, the front inner wall and the rear inner wall of the top end of the;

the push rod consists of a rod body 8, a push handle 9 and a front end injection rod 10, the bottom end of the rod body 8 is connected with the push handle 9, the top end of the rod body 8 is provided with the front end injection rod 10, the left side surface and the right side surface of the rod body 8 are respectively provided with a strip-shaped limiting groove 11, and the top end of the front end injection rod 10 is of a conical structure;

the crystal clamp is made of plastic and comprises a front clamping plate 12 and a rear clamping plate 13, the utility model discloses a crystal growth device, including ring connecting portion 14 and slider 15, preceding cardboard 12 and back cardboard 13 left end are connected with ring connecting portion 14 respectively, preceding cardboard 12 is provided with slider 15 respectively with the back cardboard 13 outside, joint groove 16 has been seted up to preceding cardboard 12 right-hand member, back cardboard 13 right-hand member is provided with mesa 17 and joint piece 18, preceding cardboard 12 supports on mesa 17 of back cardboard 13, joint groove 16 of preceding cardboard 12 and the joint piece 18 joint of back cardboard 13, preceding cardboard 12 inboard central authorities are provided with down U type groove 19, back cardboard 13 inboard central authorities are provided with upper U type groove 20, the interlock forms crystal storehouse 21 between upper U type groove 20 and the lower U type groove 19, crystal storehouse 21 bottom is the toper structure, slider 15 card of crystal clamp is gone into in spout 6, front end injection pole 10, the axis of inner catheter 7 and injection nozzle 4 is on a straight line.

Example 2

When the utility model is used, firstly, the crystal clamp is opened, the artificial crystal is placed in the upper U-shaped groove 20 of the rear clamping plate 13, then the front clamping plate 12 is buckled on the clamping block 18 of the rear clamping plate 13 through the clamping groove 16, simultaneously, the upper U-shaped groove 20 is meshed with the lower U-shaped groove 19 to form the crystal bin 21, the artificial crystal is arranged in the crystal bin 21, the table board 17 plays a limiting role, the front clamping plate 12 is propped against the table board 17, the front clamping plate 12 is ensured to be parallel to the rear clamping plate 13, so as to ensure that the crystal bin 21 in the crystal clamp cannot be extruded, then the crystal clamp is transversely inserted into the clamping groove 2 of the surface of the injection barrel 1, the sliding blocks 15 at the two sides of the crystal clamp are meshed with the sliding grooves 6 of the inner wall of the injection barrel 1, under the limiting function of the sliding grooves 6, the crystal clamp is slid inwards, then the push rod is inserted into the bottom of the injection barrel 1, the strip, bar stopper 5 plays spacing effect, guarantee that the push rod is vertical upwards to advance, guarantee the accuracy of injecting, then pulling handle 3, it makes the body of rod 8 and front end injection pole 10 upward movement to promote to push away the handle 9, front end injection pole 10 top and crystal storehouse 21 bottom are the toper structure, when the conical surface of front end injection pole 10 top contact crystal storehouse 21 bottom, front end injection pole 10 can make the axis of crystal storehouse 21 rather than automatic alignment, the crystal presss from both sides and controls the axis that makes crystal storehouse 21 and front end injection pole 10 automatic alignment along spout 6, pole 10 is injected to the front end like this, crystal storehouse 21, the axial of internal catheter 7 and injection mouth 4 has just been on a straight line, guarantee the accuracy of injecting, then front end injection pole 10 promotes the intraocular lens and extrudes from crystal storehouse 21, then implant in the eye incision along internal catheter 7 and injection mouth 4.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. The utility model discloses each part that mentions is the common technique in prior art, and the technical personnel of this trade should understand, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the principle of the utility model, under the prerequisite that does not deviate from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of claim the utility model is within the scope. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. A crystal injector for ophthalmologic operation is characterized by comprising an injection cylinder, a push rod and a crystal clamp, wherein a clamping groove is formed in the side face of the top end of the injection cylinder, the crystal clamp is installed in the clamping groove, and the push rod is vertically installed on the injection cylinder;

the bottom end of the injection cylinder is provided with a handle, the top end of the injection cylinder is provided with an injection nozzle, the left inner wall and the right inner wall of the injection cylinder are respectively provided with a strip-shaped limiting block, the front inner wall and the rear inner wall of the top end of the injection cylinder are respectively and transversely provided with a sliding groove, the top end inside the injection cylinder is provided with an inner conduit, and one end of the inner conduit is communicated with the injection nozzle;

the push rod consists of a rod body, a push handle and a front-end push rod, the bottom end of the rod body is connected with the push handle, the top end of the rod body is provided with the front-end push rod, the left side surface and the right side surface of the rod body are respectively provided with a strip-shaped limiting groove, and the top end of the front-end push rod is of a conical structure;

the crystal presss from both sides by preceding cardboard, back cardboard, ring junction portion and sliding block and constitutes, preceding cardboard and back cardboard left end are connected with ring junction portion respectively, preceding cardboard and the back cardboard outside are provided with the slider respectively, the joint groove has been seted up to preceding cardboard right-hand member, back cardboard right-hand member is provided with mesa and joint piece, preceding cardboard supports on the mesa of back cardboard, the joint groove of preceding cardboard and the joint piece joint of back cardboard, preceding cardboard inboard central authorities are provided with down U type groove, back cardboard inboard central authorities are provided with U type groove, go up the interlock formation crystal storehouse between U type groove and the lower U type groove, the crystal storehouse bottom is the toper structure, the slider card of crystal clamp is gone into in the spout, the axis of front end injection pole, inner catheter and injection nozzle is on a straight line.

2. The ophthalmic lens injector of claim 1, wherein said slot corresponds to the length and width of the lens holder.

3. The ophthalmic lens injector of claim 1, wherein said injector barrel is rectangular in configuration.

4. The ophthalmic lens injector of claim 1, wherein said handle and injector barrel are of a unitary construction.

5. The ophthalmic lens injector of claim 1, wherein said lens holder is made of plastic.

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