CN215535165U

CN215535165U - Novel supportable root tip forceps

Info

Publication number: CN215535165U
Application number: CN202122173613.3U
Authority: CN
Inventors: 耿玉东; 张科科; 卢泰青
Original assignee: First Affiliated Hospital of Zhengzhou University
Current assignee: First Affiliated Hospital of Zhengzhou University
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-01-18
Anticipated expiration: 2031-09-09

Abstract

A novel supportable root-tip clamp, which effectively solves the problem that the existing root-tip clamp is inconvenient to use; the clamp comprises a shell, wherein the upper side and the lower side of the shell are respectively provided with a yielding groove, a pin shaft is coaxially arranged in the shell, the front side and the rear side of the pin shaft are respectively hinged with a clamp body, the two clamp bodies are distributed in an X shape and comprise fan-shaped connecting discs, the connecting discs are hinged with the pin shaft, clamp tips are fixed at the upper ends of the connecting discs, clamp handles are fixed at the lower ends of the connecting discs, two sliding plates are connected in the shell in a sliding manner, supporting plates extending out of the yielding grooves are respectively arranged at the upper ends of the two sliding plates, the two clamp tips are positioned between the two supporting plates, fixing plates corresponding to the sliding plates on the corresponding sides of the fixing plates are respectively arranged at the front side and the rear side in the shell, and limiting devices capable of being matched with the fixing plates on the corresponding sides of the two sliding plates are respectively arranged on the two sliding plates; the utility model has novel concept and strong practicability, can effectively expose the operation visual field, reduces the operation time of the operation, improves the operation efficiency of medical personnel, and is beneficial to the use of the medical personnel.

Description

Novel supportable root tip forceps

Technical Field

The utility model relates to the technical field of medical auxiliary instruments, in particular to a novel supportable root tip forceps.

Background

The extraction forceps are the most commonly used tooth extraction instruments in general tooth extraction, and the damage to alveolar bones is the smallest of all the tooth extraction instruments, so that the forceps are generally the first choice in tooth extraction, the maxillary palate is buried in prolific teeth, and because the positions are higher and most of the prolific teeth are deformed teeth (in a conical or irregular shape), when the existing root-tip forceps are used, the operation visual field is not exposed enough, the operation time is long easily caused, the extraction is difficult, and the like.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model aims to provide a novel root tip forceps capable of supporting, and effectively solves the problem that the existing root tip forceps are inconvenient to use.

The technical scheme includes that the device comprises a shell body which is axial in the front and back direction, the upper side and the lower side of the shell body are respectively provided with a stepping groove which is communicated up and down, a pin shaft is coaxially arranged in the shell body, the front side and the back side of the pin shaft are respectively hinged with a clamp body extending out of the stepping groove, the two clamp bodies are distributed in an X shape and comprise a fan-shaped connecting disc, the connecting disc is hinged with the pin shaft, a clamp point is fixed at the upper end of the connecting disc, a clamp handle is fixed at the lower end of the connecting disc, the shell body is internally and slidably connected with two sliding plates which are opposite in the left and right direction and staggered in the front and back direction, the two sliding plates can be contacted with the connecting discs on the corresponding sides, supporting plates extending out of the stepping grooves are respectively arranged at the upper ends of the two sliding plates, fixing plates corresponding to the sliding plates on the front side and the back side in the shell body are respectively arranged, and limiting devices which can be matched with the fixing plates on the corresponding sides are respectively arranged on the two sliding plates.

The utility model has novel concept and strong practicability, can effectively expose the operation visual field, reduces the operation time of the operation, improves the operation efficiency of medical personnel, and is beneficial to the use of the medical personnel.

Drawings

Fig. 1 is an isometric view of the present invention.

Fig. 2 is an exploded view of the present invention with the housing removed.

Figure 3 is a left side elevational view in partial cutaway of the present invention.

Figure 4 is a partially cut-away front isometric view of the present invention.

Figure 5 is a left side elevational view in partial cutaway of the present invention.

Fig. 6 is an enlarged view of a in fig. 5 of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

The pliers are characterized in that the pliers are shown by figures 1 to 6 and comprise a front shell 1 and a rear shell 1 which are axial, a stepping groove 2 which is through from top to bottom is formed in each of the upper side and the lower side of each shell 1, a pin shaft 3 is coaxially arranged in each shell 1, pliers bodies which extend out of the stepping groove 2 are hinged to the front side and the rear side of each pin shaft 3 respectively, the pliers bodies are distributed in an X shape and comprise fan-shaped connecting discs 4, each connecting disc 4 is hinged to the pin shaft 3, pliers tips 5 are fixed to the upper ends of the connecting discs 4, pliers handles 6 are fixed to the lower ends of the pliers tips 5, two sliding plates 7 which are opposite in left and right and staggered in front and rear are connected in each shell 1 in a sliding mode, the two sliding plates 7 can be in contact with the connecting discs 4 on the corresponding sides, supporting plates 8 which extend out of the stepping grooves 2 are arranged at the upper ends of the two sliding plates 7, the two pliers tips 5 are located between the two supporting plates 8, fixing plates 9 which correspond to the sliding plates 7 on the corresponding sides are arranged in the front and the rear sides of the shell 1, and limiting devices which can be matched with the fixing plates 9 on the corresponding sides of the two sliding plates 7 are arranged respectively.

In order to limit the position of the sliding plate 7, the limiting device comprises an arc-shaped sliding barrel 10, the sliding barrel 10 is fixedly connected with the sliding plate 7, the lower end of the sliding barrel 10 penetrates through a fixing plate 9 on the corresponding side of the sliding barrel, a plurality of slots 11 uniformly distributed along the circumferential direction of the pin shaft 3 are formed in the sliding barrel 10, and an inserting rod 12 capable of being inserted into the slots 11 on the corresponding side of the fixing plate 9 is connected with the fixing plate in a sliding mode.

In order to enable the inserted bar 12 to move out of the slot 11, the inner upper end of the sliding cylinder 10 is connected with an arc push rod 13 through a pressure spring 14, the lower end of the push rod 13 extends out of the sliding cylinder 10 and can be contacted with the connecting disc 4 on the corresponding side of the push rod 13, a plurality of grooves 15 which are in one-to-one correspondence with the slot 11 are formed in the push rod 13, the inserted bar 12 can be inserted into the grooves 15, the upper side of the rear end face of the inserted bar 12 on the front side is an inclined plane which is high in front and low in back, and the lower side of the inclined plane is an inclined plane which is low in front and high in back.

In order to facilitate the movement of the insertion rod 12, the housing 1 is provided with two pressing grooves corresponding to the insertion rod 12, and the opposite ends of the two insertion rods 12 are respectively connected with the pressing grooves through springs.

In order to facilitate the movement of the sliding plate 7, the sliding cylinder 10 is sleeved with an arc-shaped spring between the sliding plate 7 and the fixing plate 9.

In order to facilitate the use of the device, the opposite surfaces of the two forceps tips 5 are respectively provided with an anti-slip layer.

When the medical forceps is used, a medical worker holds the forceps handles 6 by hands, puts the forceps tips 5 into the mouth of a patient, moves the two forceps handles 6 back to back, the forceps handles 6 drive the two forceps tips 5 to swing back to back through the connecting discs 4, meanwhile, the two connecting discs 4 push the two sliding plates 7 to slide along the pin shaft 3, the two sliding plates 7 drive the two supporting plates 8 to swing back to back along the pin shaft 3, and the two supporting plates 8 are used for stretching mucosa in the oral cavity of the patient so as to expose teeth of the patient in the visual field of the medical worker;

in the process of moving the two sliding plates 7, the two sliding plates 7 drive the sliding cylinders 10 on the corresponding sides to synchronously slide and extrude the arc-shaped springs on the corresponding sides, meanwhile, the two sliding cylinders 10 slide relative to the fixing plates 9 on the corresponding sides, the slots 11 are in contact with the inclined surfaces on the upper sides of the slots 11 and push the two slots 11 to move back to back and extrude the springs on the corresponding sides, when teeth of a patient are exposed in the visual field of medical personnel, the forceps handles 6 stop moving, the inserting rods 12 are inserted into the slots 11 under the action of the springs at the moment, the lower end surfaces of the inserting rods 12 are in contact with the lower end surfaces of the slots 11 on the corresponding sides, so that the positions of the sliding cylinders 10 are limited, and the two supporting plates 8 are in a spread state;

after the supporting plates 8 are in an unfolded state, medical staff clamps the teeth of a patient through the forceps tips 5, when the medical staff aims at the teeth through the forceps tips 5, the two forceps handles 6 are relatively moved, the two forceps handles 6 drive the two forceps tips 5 to relatively move and clamp through the connecting disc 4, in the clamping process, the connecting disc 4 is in contact with the push rod 13 on the corresponding side of the connecting disc 4 and pushes the push rod 13 to slide along the sliding cylinder 10, the push rod 13 extrudes the pressure spring 14 and pushes the two inserting rods 12 to move back and forth through the grooves 15, so that the inclined surfaces on the lower sides of the two inserting rods 12 are in contact with the lower end surfaces of the inserting grooves 11, at the moment, under the action of the arc-shaped spring, the two sliding plates 7 slide upwards and drive the sliding cylinder 10 to slide, the sliding plates 7 drive the two supporting plates 8 to relatively swing, when the inserting rods 12 move into the adjacent grooves 15, the sliding plates 7 stop sliding, at the moment, along with the continuous rotation of the connecting disc 4, the connecting disc 4 is in contact with the push rod 13 again and the two supporting plates 8 gradually swing relatively, when the two forceps tips 5 clamp the teeth of the patient, the teeth are pulled out and separated from the forceps tips 5, and at the moment, the relatively swinging forceps bodies swing relatively from the upper known supporting plate 8 and the forceps tips 5 to close the two forceps bodies, so that the teeth of the patient are clamped.

The utility model has simple structure and convenient operation, the supporting plate and the forceps body are arranged, the mucosa in the oral cavity of a patient can be propped open when medical care personnel perform an operation, the operation visual field is effectively exposed, the operation of the medical care personnel is convenient, the use of the medical care personnel is facilitated, and meanwhile, the anti-slip layer is arranged, so that the anti-slip forceps can prevent the tooth root from slipping when being clamped, the operation time of the medical care personnel is saved, and the operation of the medical care personnel is facilitated.

Claims

1. A novel supportable root point forceps comprises a shell (1) in the front-back axial direction, and is characterized in that the upper side and the lower side of the shell (1) are respectively provided with a through-going abdicating groove (2), a pin shaft (3) is coaxially arranged in the shell (1), the front side and the rear side of the pin shaft (3) are respectively hinged with forceps bodies extending out of the abdicating grooves (2), the two forceps bodies are distributed in an X shape and comprise fan-shaped connecting discs (4), the connecting discs (4) are hinged with the pin shaft (3), the upper ends of the connecting discs (4) are fixed with forceps tips (5) and the lower ends thereof are fixed with forceps handles (6), the shell (1) is internally and slidably connected with two sliding plates (7) which are opposite in the left and right directions and staggered in the front-back direction, the two sliding plates (7) can be contacted with the connecting discs (4) on the corresponding sides, the upper ends of the two sliding plates (7) are respectively provided with supporting plates (8) extending out of the abdicating grooves (2), the two forceps tips (5) are positioned between the two supporting plates (8), the front side and the rear side in the shell (1) are respectively provided with a fixed plate (9) corresponding to the sliding plate (7) on the corresponding side, and the two sliding plates (7) are respectively provided with a limiting device which can be matched with the fixed plates (9) on the corresponding sides.

2. The novel supportable root tip forceps as claimed in claim 1, wherein the limiting device comprises an arc-shaped sliding barrel (10), the sliding barrel (10) is fixedly connected with the sliding plate (7), the lower end of the sliding barrel penetrates through a fixing plate (9) on the corresponding side of the sliding barrel, a plurality of slots (11) uniformly distributed along the circumferential direction of the pin shaft (3) are formed in the sliding barrel (10), and an inserting rod (12) capable of being inserted into the slots (11) on the corresponding side of the fixing plate (9) is connected with the fixing plate in a sliding mode.

3. The novel supportable root tip forceps as claimed in claim 2, wherein an arc-shaped push rod (13) is connected to the inner upper end of the sliding barrel (10) through a pressure spring (14), the lower end of the push rod (13) extends out of the sliding barrel (10) and can be in contact with a connecting disk (4) on the corresponding side of the sliding barrel, a plurality of grooves (15) corresponding to the slots (11) in a one-to-one mode are formed in the push rod (13), the insertion rod (12) can be inserted into the grooves (15), the upper side of the rear end face of the insertion rod (12) on the front side is an inclined plane with a high front part and a low rear part, and the lower side of the rear end face of the insertion rod (12) on the front side is an inclined plane with a low front part and a high rear part.

4. The novel supportable root tip forceps as claimed in claim 1, wherein the casing (1) is provided with two pressing grooves corresponding to the insertion rods (12), and opposite ends of the two insertion rods (12) are respectively connected with the pressing grooves through springs.

5. The novel supportable root tip forceps of claim 2, wherein the slide cylinder (10) is sleeved with an arc-shaped spring between the slide plate (7) and the fixed plate (9).

6. The novel supportable root-tip forceps of claim 1, wherein the opposing surfaces of the two forceps tips (5) are respectively provided with an anti-slip layer.