CN220158413U - Tweezers - Google Patents

Abstract

The utility model relates to the technical field of dental equipment, in particular to tweezers, which comprise two clamping pieces, wherein the two clamping pieces are integrally formed, the inner sides of a hinge joint device are hinged with connecting rods, the other end parts of the two connecting rods are hinged, a first supporting column and a second supporting column are vertically and fixedly arranged on the opposite sides of the two connecting rods respectively, the positions of the second supporting column and the first supporting column correspond to each other, suckers are fixedly arranged at the proximal ends of the second supporting column and the first supporting column, and the two suckers are mutually matched. According to the utility model, after the forceps clamp and fix the upper parts of teeth, after the two suckers which move in opposite directions are contacted, the air in the two suckers is discharged, so that the inside of the two suckers is in a negative pressure state, the angle between the two clamping pieces is limited, at the moment, the external force applied by the thenar muscle is reduced, and the compression on the muscle is reduced.

Description

Tweezers

Technical Field

The utility model relates to the technical field of dental equipment, in particular to tweezers.

Background

One of the dental, medical disciplines classifications is commonly incorporated into the luminal arts at major hospitals. Dental is mainly used for treating diseases related to teeth and periodontal, namely dental disease 1, dental caries 2, dental pulp disease 3, periapical disease, acute periapical periodontitis and chronic periapical periodontitis 4, non-caries dental hard tissue diseases, enamel hypoplasia, fluocinoma, tetracycline colored teeth, congenital plum blossom teeth and malformed central cuspid;

in the dental diagnosis process, the forceps are used for clamping teeth, particularly cutting off tooth roots in the tooth extraction process, and the forceps are used for fixedly clamping the upper ends of the teeth at the moment so as to prevent the teeth from being damaged due to large vibration during cutting;

when the tooth is fixed, the forceps are used for fixing the upper part, the forceps are inwards extruded by the index finger and the thumb of a dentist to form clamping and fixing of the tooth, but the tooth root cutting process is very slow, so that the muscle below the thumb, namely the large thenar muscle, is used for innervating a lot of muscles of the thumb, and meanwhile, the nerve is rich, but under long-time clamping, the large thenar creatine is caused, and the stability of the tooth to the forceps is reduced.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, forceps are fixed on the upper part, the forceps are inwards extruded by the index finger and the thumb of a dentist to form clamping and fixing on teeth, but the cutting process of the root part of the teeth is very slow, so that the lower muscle of the thumb, namely the large thenar muscle, is used for innervating a lot of muscles of the thumb, and meanwhile, the nerves are rich, but under long-time clamping, the large thenar muscle acid is expanded, and the stability of the forceps for children is reduced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a tweezers, includes two clamping pieces, and two clamping piece integrated into one piece, forms the contained angle that is less than 20 between two clamping pieces, two the one end that the tie point was kept away from to the clamping piece is fixed with the articulated ware, the inboard of articulated ware all articulates there is the connecting rod, two the other tip position of connecting rod realizes articulating, two vertical fixed mounting has first support column and second support column respectively in two opposite one side of connecting rod, the second support column with the position of first support column corresponds each other, the second support column with the equal fixed mounting of proximal end of first support column has the sucking disc, two mutually support between the sucking disc.

Preferably, the two connecting rods are located in the same vertical plane.

Preferably, the outer surfaces of the two clamping pieces are provided with a plurality of anti-skid grooves, and the anti-skid grooves are distributed on the outer surfaces of the clamping pieces in a linear array.

Preferably, the other ends of the two clamping pieces are fixedly provided with clamping heads, the clamping heads are arranged in an arc shape, and the distal ends of the clamping heads are arranged in a flat shape.

Preferably, the bottom of the anti-skid groove is arc-shaped.

Preferably, a gap is arranged between the two suckers and the connecting rod.

The tweezers provided by the utility model have the beneficial effects that: according to the motion trail, after the tweezers clamp and fix the upper parts of teeth, after the two suckers moving in opposite directions are contacted, air in the two suckers is discharged, and then the two suckers are in a negative pressure state, so that the angle between the two clamping pieces is limited, the external force applied by the thenar muscle is reduced, and the compression on the muscle is reduced.

Drawings

Fig. 1 is a schematic view of a tweezers according to the present utility model.

Fig. 2 is a front view of a structure of tweezers according to the present utility model.

Fig. 3 is a top view of a tweezer according to the present utility model.

Fig. 4 is an enlarged view of the structure of the portion a of the forceps shown in fig. 1.

In the figure: clamping piece 1, anti-skid groove 2, chuck 3, connecting rod 4, first support column 5, articulated ware 6, sucking disc 7, second support column 8.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-4, a pair of tweezers comprises two clamping pieces 1, wherein the two clamping pieces 1 are integrally formed, an included angle smaller than 20 degrees is formed between the two clamping pieces 1, one end, far away from a connecting point, of each clamping piece 1 is fixed with a hinge 6, connecting rods 4 are hinged to the inner sides of the hinge 6, and the other end parts of the two connecting rods 4 are hinged.

The two opposite sides of the two connecting rods 4 are respectively and vertically fixedly provided with a first supporting column 5 and a second supporting column 8, the positions of the second supporting column 8 and the first supporting column 5 correspond to each other, the near ends of the second supporting column 8 and the first supporting column 5 are fixedly provided with sucking discs 7, the two sucking discs 7 are matched with each other, a gap is formed between the two sucking discs 7 and the connecting rods 4, after external force is applied, the angle between the two clamping pieces 1 is reduced, the clamping heads 3 connected with the two ends fixedly clamp the upper parts of teeth, in the opposite movement process of the two clamping pieces 1, the angle between the two connecting rods 4 is changed, meanwhile, the first supporting column 5 and the second supporting column 8 are connected to the lower end of the connecting rod 4 in a hinged mode, after the two opposite movement sucking discs 7 are contacted, air in the inside is discharged, and then the inside of the two sucking discs 7 is in a negative pressure state, the angle between the two clamping pieces 1 is limited, at the moment, the external force applied by the muscle of a large fish is reduced, the compression of muscle is reduced, and the stability of the forceps on the teeth can be improved.

Example 2

Referring to fig. 1-4, the difference between this embodiment and embodiment 1 is that two connecting rods 4 are located in the same vertical plane, a plurality of anti-slip grooves 2 are all formed in the outer surfaces of two clamping pieces 1, the plurality of anti-slip grooves 2 are distributed on the outer surfaces of the clamping pieces 1 in a linear array, clamping heads 3 are fixedly mounted at the other ends of the two clamping pieces 1, the clamping heads 3 are arranged in an arc shape, the distal ends of the clamping heads 3 are arranged in a flat shape, the bottoms of the anti-slip grooves 2 are arranged in an arc shape, and forefingers and thumbs of dentists respectively press on the anti-slip grooves 2 of the outer vertical surfaces of the two clamping pieces 1 to prevent slipping.

The working principle of the device is as follows:

the dentist forefinger and thumb are pressed respectively on the anti-skidding groove 2 of the outer facade of two clamping pieces 1, prevent to skid, after applying external force, the angle between two clamping pieces 1 diminishes, the chuck 3 that both ends are connected is fixed the centre gripping on upper portion of tooth, at the in-process of two clamping pieces 1 motion in opposite directions, the angle between two connecting rods 4 changes, simultaneously first support column 5 and second support column 8 are connected in the lower extreme of connecting rod 4 with articulated mode, after two sucking discs 7 contact of motion in opposite directions, with inside air discharge, and then the inside state that forms negative pressure of two sucking discs 7, inject the angle between two clamping pieces 1, the external force that big thenar muscle applyed reduces this moment, reduce the oppression to the muscle, up to this point, can help improving tweezers to the stability of tooth fixation.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a tweezers, includes two clamping pieces (1), and two clamping pieces (1) integrated into one piece, forms the contained angle that is less than 20 between two clamping pieces (1), its characterized in that, two clamping pieces (1) keep away from the one end of tie point and are fixed with articulated ware (6), the inboard of articulated ware (6) all articulates there is connecting rod (4), two the other tip position of connecting rod (4) realizes articulating, two vertical fixed mounting has first support column (5) and second support column (8) respectively in one side opposite to connecting rod (4), second support column (8) with the position of first support column (5) corresponds each other, second support column (8) with the equal fixed mounting of proximal end of first support column (5) has sucking disc (7), two mutually support between sucking disc (7).

2. Tweezers according to claim 1, in which two of said connecting bars (4) are located in the same vertical plane.

3. Tweezers according to claim 1, characterized in that the outer surfaces of two of said jaws (1) are provided with a number of anti-slip grooves (2), the number of anti-slip grooves (2) being distributed in a linear array on the outer surface of the jaw (1).

4. Forceps according to claim 1, characterized in that the other ends of the two jaws (1) are each fixedly provided with a collet (3), the collets (3) are arranged in an arc shape, and the distal ends of the collets (3) are arranged in a flat shape.

5. A pair of tweezers according to claim 3, wherein the bottom of the anti-slip groove (2) is arranged in an arc.

6. Tweezers according to any one of claims 4 or 5, in which a gap is provided between two of said suction cups (7) and the connecting rod (4).