CN212490369U - Dual-mode intraocular lens injector with observation window - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, specifically be a dual mode intraocular lens injector with observation window, including injecting the ware body and inserting the inside push pole of injecting the ware body and setting up the injection mouth at injector body front end, the external screw thread that is used for rotatory propelling movement is offered in the outside of push pole, the both sides of injecting the ware body all run through and have seted up the rectangle opening, rectangle open-ended inside all be equipped with be used for with external screw thread assorted connector and the folding handle who rotates the connection. The utility model provides a push the passageway and be transparent material, and seted up observation window on pushing the ware body, consequently be convenient for push the orbit that the in-process observed intraocular lens, reduced intraocular lens and produced the probability of damaging pushing the in-process.

Description

Dual-mode intraocular lens injector with observation window

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a dual-mode intraocular lens injector with an observation window.

Background

Today, the most effective method of cataract surgery is to use an injector to insert an intraocular lens into the patient's eye to replace the diseased lens. In the process of implanting the intraocular lens by using the injector, the track and the state of the intraocular lens in the injection process cannot be observed, so that the intraocular lens is frequently damaged due to overlarge injection force and too high injection speed, the healing effect after the operation is influenced, and the success and the safety of the operation cannot be ensured.

In the prior art, there are two types of lens injectors, one of which is a bolus injector and the other of which is a screw. Wherein, the injection force of the injection type injector is not convenient to control and is easy to damage human eyes. The screw-type injector requires two hands to operate simultaneously when the surgeon performs intraocular lens implantation, which causes inconvenience during the surgical procedure. Therefore, the injector in both push type and screw type injection modes has adverse effect on the implantation of the lens, and for this reason, a dual mode intraocular lens injector with a viewing window is proposed to solve the above disadvantages well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dual mode intraocular lens injector with observation window, the orbit of injecting of intraocular lens of being convenient for observe, and have simultaneously and inject the formula and two kinds of spiral modes of injecting.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a dual mode intraocular lens injector with observation window, includes injector body and inserts the push pole and set up the injection mouth at injector body front end inside injecting the ware body, the external screw thread that is used for rotatory propelling movement is offered in the outside of pushing the injection pole, the both sides of injector body are all run through and have been offered the rectangle opening, rectangle open-ended inside all be equipped with be used for with external screw thread assorted connector and the folding handle who rotates the connection, the inside front end of injector body is equipped with and is used for supplying the passageway of injecting that intraocular lens pushed, the observation window who is used for observing the intraocular lens and injects the orbit is offered to the top of injecting the passageway.

Preferably, the connectors are elastically connected inside the rectangular opening, and inner sides of the connectors are provided with inner threads matched with the outer threads; in the process of screwing in through the screw thread, the injection rod is in threaded connection with the connector.

Preferably, the inside of rectangle open-ended all the shaping has the location swell, the constant head tank has all been seted up to the outer end relevant position of folding handle, and the thickness of folding handle all is greater than the lateral wall thickness of injecting the ware body.

Preferably, a fixing groove is formed in one side of the top of the injector body, an assembly bin used for containing the intraocular lens is arranged inside the fixing groove, one end of the assembly bin is inserted into the injection channel, and folding wings are formed on two sides of the top of the assembly bin.

Preferably, the inner end of the injection rod is provided with a piston head, the front end of the piston head is vertically provided with an introduction head for injecting the intraocular lens, and one end of the introduction head, which is far away from the piston head, is inserted into the assembly bin.

Preferably, the bolus injection channel is of a transparent round tube structure, the inner wall of the bolus injection channel is smooth, one end of the bolus injection channel is aligned with the bolus injection port, and the bottom of the bolus injection channel is fixed in the bolus injector body.

Compared with the prior art, the utility model provides a dual mode intraocular lens injector with observation window possesses following beneficial effect:

1. the push injection channel in the utility model is made of transparent material, and the push injector body is provided with the observation window, thereby being convenient for observing the track of the intraocular lens in the push injection process and reducing the probability of damage of the intraocular lens in the push injection process;

2. the utility model discloses can directly inject after opening folding handle, and can screw propulsion after will folding handle is closed, combined two kinds of modes of injecting simultaneously and made operating method become more various, random, be favorable to going on of operation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the tail of the injector body of the present invention;

fig. 3 is a cross-sectional view of the front end of the injector body of the present invention.

In the figure: 1. a bolus injector body; 2. a push injection rod; 3. an external thread; 4. a rectangular opening; 5. folding the handle; 6. a connector; 7. a piston head; 8. positioning the bulge; 9. positioning a groove; 10. pushing the injection port; 11. a bolus channel; 12. an observation window; 13. assembling a bin; 14. folding the wings; 15. and (4) introducing a head.

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.

Example (b): please refer to fig. 1, a dual mode intraocular lens injector with observation window, including injector body 1 with insert in 1 inside injection pole 2 of injector body and set up the injection mouth 10 at 1 front end of injector body, the outside of injecting pole 2 is offered and is used for rotatory propulsive external screw thread 3, rectangular opening 4 has all been run through to the both sides of injector body 1, rectangular opening 4's inside all is equipped with and is used for with 3 assorted connectors 6 of external screw thread and rotate folding handle 5 of being connected, folding handle 5 rotates the inside of connecting at rectangular opening 4, open the back, injection pole 2 can normally be impeld, closed back, connector 6 and 2 threaded connection of injection pole, consequently can only screw propulsion.

The front end in the injector body 1 is provided with an injection channel 11 for pushing the artificial lens, and an observation window 12 for observing the injection track of the artificial lens is arranged above the injection channel 11; the pushing channel 11 is made of transparent material, so that the pushing track and the state of the intraocular lens can be observed conveniently.

Referring to fig. 2, the connectors 6 are elastically connected inside the rectangular opening 4, and the inner sides thereof are respectively provided with an internal thread matched with the external thread 3; in the process of screwing in through the screw thread, the push injection rod 2 is in threaded connection with the connector 6, the outer end of the connector 6 is connected into the push injector body 1 through a small plastic piece with thickness and thinness, the position of the connector can move back and forth, and the moving range is limited.

Positioning bulges 8 are formed on the inner sides of the rectangular openings 4, positioning grooves 9 are formed in corresponding positions of the outer ends of the folding handles 5, and the thicknesses of the folding handles 5 are larger than the thickness of the side wall of the injector body 1; when folding handle 5 was opened, connector 6 and push injection rod 2 contactless, on the contrary, under folding handle 5's extrusion, connector 6 is compelled and is laminated with the external screw thread 3 in the push injection rod 2 outside.

Referring to fig. 3, a fixing groove is formed in one side of the top of the injector body 1, an assembly bin 13 for containing an intraocular lens is arranged inside the fixing groove, one end of the assembly bin 13 is inserted into the injection channel 11, folding wings 14 are formed on both sides of the top of the assembly bin 13, that is, the intraocular lens is placed in the assembly bin 13, and when the folding wings 14 are closed, the assembly bin 13 is also closed.

The inner end of the injection rod 2 is provided with a piston head 7, the front end of the piston head 7 is vertically provided with an introduction head 15 for injecting the intraocular lens, and one end of the introduction head 15, which is far away from the piston head 7, is inserted into the assembly bin 13 and is used for directly introducing the intraocular lens into the injection port 10.

The injection channel 11 is a transparent round tube structure, the inner wall of the injection channel is smooth, one end of the injection channel is aligned with the injection port 10, the bottom of the injection channel is fixed in the injector body 1, and the intraocular lens passing through the injection channel 11 can directly enter the injection port 10 and is finally implanted into the eye of the patient.

The working principle is as follows: the utility model discloses in the use, owing to set up connector 6 and folding handle 5 in rectangle opening 4's inside, and having offered external screw thread 3 in the outside of injecting pole 2, consequently when using, open folding handle 5, then can directly inject, otherwise because folding handle 5's closure also with connector 6 inside extrusion for injecting pole 2 only can screw propulsion. Additionally, the utility model discloses be provided with at the front end of injecting ware body 1 and inject passageway 11 and observation window 12, the two effect is the orbit and the state of being convenient for observe intraocular lens in injecting the in-process, prevents to exert oneself too greatly and damage the lens. To sum up, the utility model discloses two kinds of modes of injecting have simultaneously for medical personnel can be more free selection when performing the operation and inject the method, simultaneously in the process of injecting, the orbit and the state of seeing intraocular lens that can understand are favorable to going on of operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a dual mode intraocular lens injector with observation window, includes injector body (1) and inserts push rod (2) and setting in injection mouth (10) of injector body (1) front end inside pushing injector body (1), its characterized in that: the utility model discloses a syringe, including push and inject ware body (1), push and inject the outside of pole (2) and offer and be used for rotatory propulsive external screw thread (3), the both sides of push and inject ware body (1) are all run through and have been seted up rectangle opening (4), the inside of rectangle opening (4) all be equipped with be used for with external screw thread (3) assorted connector (6) and rotate folding handle (5) of connecting, the inside front end of push and inject ware body (1) is equipped with and is used for pushing push passageway (11) that push for intraocular lens pushes, push and inject passageway (11) top and offer observation window (12) that are used for observing the intraocular lens orbit.

2. A dual-mode intraocular lens injector with a viewing window according to claim 1 wherein: the connectors (6) are elastically connected inside the rectangular opening (4), and inner threads matched with the outer threads (3) are formed in the inner sides of the connectors; in the process of screwing in through threads, the injection rod (2) is in threaded connection with the connector (6).

3. A dual-mode intraocular lens injector with a viewing window according to claim 1 wherein: the inboard of rectangle opening (4) all the shaping has location swell (8), constant head tank (9) have all been seted up to the outer end relevant position of folding handle (5), and the thickness of folding handle (5) all is greater than the lateral wall thickness of injector body (1).

4. A dual-mode intraocular lens injector with a viewing window according to claim 1 wherein: the fixing groove is formed in one side of the top of the injector body (1), an assembling bin (13) used for containing an intraocular lens is arranged inside the fixing groove, one end of the assembling bin (13) is inserted into the injection channel (11), and folding wings (14) are formed on two sides of the top of the assembling bin (13).

5. A dual-mode intraocular lens injector with a viewing window according to claim 1 wherein: the inner end of the injection rod (2) is provided with a piston head (7), the front end of the piston head (7) is vertically provided with an introduction head (15) for injecting an intraocular lens, and one end, far away from the piston head (7), of the introduction head (15) is inserted into the assembly bin (13).

6. A dual-mode intraocular lens injector with a viewing window according to claim 1 wherein: the injection channel (11) is of a transparent round tube structure, the inner wall of the injection channel is smooth, one end of the injection channel is aligned with the injection port (10), and the bottom of the injection channel is fixed in the injector body (1).

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