CN213372940U - Capsulorhexis forceps - Google Patents

Abstract

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a tear capsule tweezers is related to, include: the clamping device comprises a body, a first clamping assembly and a second clamping assembly, wherein the first clamping assembly and the second clamping assembly are connected with the body and are symmetrically arranged relative to the body; the first clamping assembly comprises a first forceps handle and a first forceps head which are connected, the second clamping assembly comprises a second forceps handle and a second forceps head which are connected, and one end of the first forceps handle and one end of the second forceps handle are both connected with the body; the first forceps handle and the second forceps handle are provided with arc-shaped limiting rods in a penetrating mode, one end of each limiting rod is located on one side of the first forceps handle, and the other end, opposite to the limiting rods, of each limiting rod is located on one side of the second forceps handle; a plurality of limiting pieces penetrate through the limiting rod, installation notches are formed in the limiting pieces, and the limiting pieces can be sleeved on the limiting rod through the installation notches; one end of the limiting rod, which is positioned on one side of the first forceps handle, is provided with a limiting head, and one end of the limiting rod, which is positioned on one side of the second forceps handle, is sleeved with a fastening nut in threaded connection.

Description

Capsulorhexis forceps

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a tear capsule tweezers is related to.

Background

At present, cataract is common blinding eye disease, and the lens in human eyes is clouded to cause vision loss. In the operation of the cataract ultrasonic emulsification suction surgery, the capsulorhexis is a very key step, the capsulorhexis forceps are mostly adopted to tear the capsulorhexis in the current operation, but the current capsulorhexis forceps need the medical personnel to hold the force application, in the long-time operation process, the burden is caused to the hands of the medical personnel, and because the medical personnel are tired, the force of clamping is possibly changed extremely, and the capsulorhexis falls off from the capsulorhexis forceps.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tear capsule tweezers solves one of the technical problem that exists among the prior art at least.

In view of this, according to the utility model discloses an object, the utility model provides a tear capsule tweezers, include: the first forceps head, the second forceps head and the forceps handle; the number of the first forceps head, the number of the second forceps head and the number of the forceps handles are two; the two forceps handles are converged together and extend out of the forceps handle body towards the direction far away from the two forceps handles; the two forceps handles are symmetrically arranged about the forceps handle body;

the cross sections of the middle holding sections of the forceps handles are semicircular, and when the inner wall surfaces of the two forceps handles are attached to each other, the cross sections of the middle holding sections of the two forceps handles are spliced into a circle;

the arc-shaped outer wall surface of the forceps handle is provided with an L-shaped section, and the L-shaped section is used for placing fingers;

one end of the forceps handle, which is far away from the forceps handle body, extends out of the cylindrical connecting part;

one side of the arc-shaped outer wall surface of each forceps handle is also provided with a flat mounting surface, one flat mounting surface of each forceps handle is provided with a guide column, the other flat mounting surface of each forceps handle is provided with a limiting column, and the guide column and the limiting column are sleeved with arc-shaped annular slide way sheets; the limiting column is also sleeved with a locking nut, and the locking nut is in threaded fit with the limiting column; the locking nut can be pressed on the annular slideway sheet;

the first forceps head comprises a first mounting seat and a first clamping arm which are connected; the first clamping arm is of a V-shaped structure with an obtuse included angle; the connecting part is detachably inserted in the mounting groove of the first mounting seat;

the second forceps head comprises a second mounting seat, a supporting arm and a clamping arm which are sequentially connected; the clamping arm comprises an arc-shaped section and a back-folding straight-line section which are sequentially connected, and the back-folding straight-line section is positioned in the opening range of the arc-shaped section; the point of the arc-shaped section connected with the inflection straight-line section and the other end point of the inflection straight-line section form a clamping point; the connecting part is detachably inserted in the mounting groove of the second mounting seat.

Furthermore, a limiting hole is formed in the section of the L shape and used for accommodating a finger pad.

Furthermore, an arc-shaped concave surface is arranged on the other opposite side of the arc-shaped outer wall surface of the forceps handle and used for placing fingers.

Furthermore, the inner wall surface of one end, far away from the forceps handle, of the first clamping arm is provided with anti-slip threads.

Furthermore, a through hole is formed in the forceps handle body and used for allowing a thread rope to penetrate through.

Further, the connecting part and the first mounting seat form detachable connection through threads;

the connecting part and the second mounting seat form detachable connection through threads.

Further, the first mounting seat and the first clamping arm are of an integrated structure;

the second mounting seat, the supporting arm and the clamping arm are also of an integrated structure.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a tear capsule tweezers, during the use, at first not hard up fastening nut, install two tweezers heads respectively to two tweezers handles that correspond again, the operator recycles thumb and forefinger and grasps two tweezers handles, then finger application of force, make the tip of two tweezers heads grasp the cyst membrane, two tweezers handles are laminated together this moment, and rotating fastening nut locks, make two tweezers handles can not loosen because of the sudden change of handheld dynamics, avoid promptly because the finger is not hard up, lead to the cyst membrane to drop, it is safer, and reliable, in addition, two semi-cylindrical's tweezers handles, compare in flat handheld portion, more can satisfy the convenience of rotation and each angle operation of other. Wherein, through increasing or reducing the quantity of spacing piece to the centre gripping dynamics of two tweezers handles is adjusted.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a capsulorhexis forceps provided in an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

fig. 3 is a schematic structural view of a limiting sheet according to an embodiment of the present invention.

Reference numerals:

1-a first forceps handle, 2-a first forceps head, 201-a first connecting part, 202-a first arc section part, 203-a first inflection straight line section part, 3-a second forceps handle, 4-a second forceps head, 401-a second connecting part, 402-a second arc section, 403-a second inflection straight line section part, 5-a body, 501-a through hole, 6-a limiting rod, 7-a limiting sheet, 701-an installation notch, 8-a limiting head, 9-a fastening nut, 10-anti-skid lines, 11-L-shaped section, 12-a limiting hole and 13-a thread rope.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Capsulorhexis forceps according to some embodiments of the present invention are described below with reference to fig. 1 to 3.

As shown in fig. 1 to fig. 3, the utility model provides a capsulorhexis forceps, which comprises: the clamping device comprises a body 5, a first clamping assembly and a second clamping assembly, wherein the first clamping assembly and the second clamping assembly are connected with the body 5 and are symmetrically arranged relative to the body 5;

the first clamping assembly comprises a first forceps handle 1 and a first forceps head 2 which are connected, the second clamping assembly comprises a second forceps handle 3 and a second forceps head 4 which are connected, and one end of the first forceps handle 1 and one end of the second forceps handle 3 are both connected with the body 5;

the cross sections of the first forceps handle 1 and the second forceps handle 3 are semicircular, and when the first forceps handle 1 and the second forceps handle 3 are attached to each other, the first forceps handle 1 and the second forceps handle 3 are spliced to form a structure with a circular cross section;

the first forceps handle 1 and the second forceps handle 3 are provided with arc-shaped limiting rods 6 in a penetrating mode, one end of each limiting rod 6 is located on one side of the first forceps handle 1, and the other end, opposite to the limiting rod 6, of each limiting rod 6 is located on one side of the second forceps handle 3; a plurality of limiting pieces 7 penetrate through the limiting rod 6, installation notches 701 are formed in the limiting pieces 7, and the limiting pieces 7 can be sleeved on the limiting rod 6 through the installation notches 701 or can be taken down from the limiting rod 6;

one end of the limiting rod 6, which is positioned at one side of the first forceps handle 1, is provided with a limiting head 8, and one end of the limiting rod 6, which is positioned at one side of the second forceps handle 3, is sleeved with a fastening nut 9 in threaded connection.

Specifically, during the use, at first with fastening nut 9 not hard up, install two tweezers heads respectively to two corresponding tweezers handles again, the operator recycles thumb and forefinger and grasps two tweezers handles, and then finger application of force makes the tip of two tweezers heads grasp the cyst membrane, and two tweezers handles are laminated together this moment mutually, and rotating fastening nut 9 locks, make two tweezers handles can not loosen because of the sudden change of the dynamics of holding, avoid promptly because the finger is not hard up, lead to the cyst membrane to drop, and is safer, reliable, in addition, two semi-cylindrical tweezers handles, compare in flat handheld portion, more can satisfy the convenience of rotation and each other angle operations.

Wherein, through increasing or reducing the quantity of spacing piece 7 to the centre gripping dynamics of two tweezers handles is adjusted.

In an embodiment of the present invention, preferably, as shown in fig. 1, the first forceps head 2 includes a first connecting portion 201, a first arc-shaped section 202 and a first folded-back linear section 203, which are connected in sequence, and the first folded-back linear section 203 is located within an opening range of the first arc-shaped section 202; the point where the first arc-shaped section 202 is connected to the first folded-back linear section 203 and the other end of the first folded-back linear section 203 form a clamping point.

The second forceps head 4 comprises a second connecting part 401, a second arc-shaped section part 402 and a second back-folding linear section part 403 which are sequentially connected, and the second back-folding linear section part 403 is positioned in the opening range of the second arc-shaped section part 402; the point where the second arc-shaped section 402 is connected to the second folded linear section 403 and the other end of the second folded linear section 403 form a clamping point.

In this embodiment, closed tweezers, rotatory tweezers handle makes the inflection straightway of centre gripping arm parallel with the incision, slide into the anterior chamber, tear the cyst membrane in operation field the place ahead, then needn't adjust tweezers direction again, tear the cyst membrane in operation field rear with the rear end of the inflection straightway of centre gripping arm, the back is accomplished in the operation, make the inflection straightway of centre gripping arm and the parallel roll-off of operation cornea incision again, can accomplish the excision of the cyst membrane in operation field the place ahead and the cyst membrane in operation field rear, the operation is quick accurate, need not to take out the tweezers head and rotate the direction and stretch into the operation region once more and tear the cyst membrane, secondary damage has been avoided.

In an embodiment of the present invention, preferably, as shown in fig. 1, the outer arc-shaped wall surfaces of the first forceps handle 1 and the second forceps handle 3 are formed with L-shaped cut surfaces 11, and the L-shaped cut surfaces 11 are used for placing fingers.

In the embodiment, the operator puts the thumb and the forefinger in the L-shaped groove formed by the L-shaped section 11 of the two forceps handles respectively, so that the thumb and the forefinger are supported, and the thumb and the forefinger are not easy to slide, so that the operator can hold the forceps more tightly, and the precision of the operation is further ensured.

In an embodiment of the present invention, preferably, as shown in fig. 1, a limiting hole 12 is disposed on the tangent plane 11 of the L-shape, and the limiting hole 12 is used for accommodating a finger belly.

In this embodiment, the recess that the tangent plane 11 of L type encloses and establishes into the L type can place operator's hand on the recess, and spacing hole 12 is the blind hole towards tweezers handle inside sunken, and at this moment, operator's finger tripe can be placed in spacing hole 12, further prevents that the finger from sliding, guarantees the accurate nature of operation. Optionally, the limiting hole 12 is formed in one surface of the L-shaped section 11, which is parallel to the vertical edge of the semicircular cross section of the middle holding section of the forceps handle.

In one embodiment of the present invention, preferably, as shown in fig. 1, the side of the first forceps handle 1 away from the second forceps handle 3 is formed with an anti-slip pattern 10;

the side of the second forceps handle 3 far away from the first forceps handle 1 is also provided with anti-slip threads 10.

In this embodiment, the anti-slip threads 10 provide anti-slip features, making the finger grip more stable. Wherein, the skidproof grain 10 can be wave-shaped grain, but not limited to.

In an embodiment of the present invention, preferably, as shown in fig. 1, the body 5 is opened with a through hole 501 for passing the cord 13.

In this embodiment, the cotton rope 13 can be threaded through the through hole 501, and then the cotton rope 13 is hung on the hook of the frame body, so that the hanging of the capsulorhexis forceps is realized, and the storage is facilitated.

In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A capsulorhexis forceps, comprising: the clamping device comprises a body, a first clamping assembly and a second clamping assembly, wherein the first clamping assembly and the second clamping assembly are connected with the body and are symmetrically arranged relative to the body;

the first clamping assembly comprises a first forceps handle and a first forceps head which are connected, the second clamping assembly comprises a second forceps handle and a second forceps head which are connected, and one end of the first forceps handle and one end of the second forceps handle are both connected with the body;

the cross sections of the first forceps handle and the second forceps handle are semicircular, and when the first forceps handle and the second forceps handle are attached to each other, the first forceps handle and the second forceps handle are spliced to form a structure with a circular cross section;

the first forceps handle and the second forceps handle are provided with arc-shaped limiting rods in a penetrating mode, one end of each limiting rod is located on one side of the first forceps handle, and the other end, opposite to the limiting rods, of each limiting rod is located on one side of the second forceps handle; a plurality of limiting pieces penetrate through the limiting rod, mounting notches are formed in the limiting pieces, and the limiting pieces can be sleeved on the limiting rod or taken down from the limiting rod through the mounting notches;

one end of the limiting rod, which is located on one side of the first forceps handle, is provided with a limiting head, and one end of the limiting rod, which is located on one side of the second forceps handle, is sleeved with a fastening nut in threaded connection.

2. The capsulorhexis forceps of claim 1, wherein the first forceps head comprises a first connecting portion, a first arc-shaped section portion and a first folded linear section portion which are connected in sequence, and the first folded linear section portion is located within an opening range of the first arc-shaped section portion; the point at which the first arc-shaped section part is connected with the first return straight line section part and the other end point of the first return straight line section part form a clamping point.

3. The capsulorhexis forceps of claim 1, wherein the second forceps head comprises a second connecting part, a second arc-shaped section and a second back-folded linear section which are sequentially connected, and the second back-folded linear section is positioned in the opening range of the second arc-shaped section; the point where the second arc-shaped section part is connected with the second back-folded straight section part and the other end point of the second back-folded straight section part form a clamping point.

4. The capsulorhexis forceps of claim 1, wherein the arc-shaped outer wall surfaces of the first forceps handle and the second forceps handle are both formed with L-shaped sections, and the L-shaped sections are used for placing fingers.

5. The capsulorhexis forceps of claim 4, wherein a limiting hole is formed in the section of the L shape and used for accommodating a finger pad.

6. The capsulorhexis forceps of any one of claims 1 to 5, wherein a side of the first forceps handle distal to the second forceps handle is formed with anti-slip threads;

and anti-slip grains are also formed on one side, far away from the first forceps handle, of the second forceps handle.

7. The capsulorhexis forceps of any one of claims 1-5, wherein the body is provided with a through hole for threading a string.

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