CN215535163U

CN215535163U - Device for taking out dental necrotic pulp

Info

Publication number: CN215535163U
Application number: CN202121404375.6U
Authority: CN
Inventors: 周琦
Original assignee: Changzhou TCM Hospital
Current assignee: Changzhou TCM Hospital
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-01-18
Anticipated expiration: 2031-06-23

Abstract

The utility model relates to the technical field of dental treatment tools and discloses a dental necrotic pulp taking device which comprises a cylinder body and a piston rod inserted into the cylinder body, wherein the edge of one closed end surface of the cylinder body is connected with a connecting pipe; the needle head is connected with the connecting pipe at the end part of the barrel through the hose, one end of the needle head is arranged at the end parts of the two curved bars, the other ends of the two curved bars are rotatably connected to the connecting pipe, and the middle part of the side surface of one curved bar is connected with one end of the moving bar, so that when the angle of the needle head needs to be adjusted, the moving bar can be moved along the horizontal direction, the moving bar is used for driving the curved bars to rotate on the connecting pipe, the function of adjusting the angle of the needle head can be realized, the structure is simple, and the manufacturing cost is low.

Description

Device for taking out dental necrotic pulp

Technical Field

The utility model relates to the technical field of dental treatment tools, in particular to a device for taking out dental necrotic pulp.

Background

One of the categories of dentistry and medical science is generally incorporated into the department of stomatology in large hospitals, and mainly treats diseases related to teeth and periodontium, and when the necrotic dental pulp in the dentistry is taken out, a taking-out device is required;

in the prior art, a dental necrotic pulp extraction device is characterized in that a needle head is arranged at the end part of a cylinder body, the needle head is connected to a rotating plate, a rotating rod is rotated at the position, close to the needle head, of the cylinder body, a threaded rod is driven to rotate in a hose under the matching of two bevel gears which are meshed and connected, when the threaded rod rotates, a sliding block moves on the threaded rod, the rotating plate is pushed through a connecting rod which is rotatably connected with the rotating plate, and the end part of a fixed rod which is connected to one side surface of the cylinder body of the rotating plate rotates to realize the adjustment work of the angle of the needle head;

the dental pulp extracting device in the prior art has the disadvantages of complex structure, troublesome operation and reduced medical efficiency.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a device for extracting dental necrotic pulp, which solves the problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a dentistry necrosis pulp remove device, includes the barrel, injects the piston rod in the barrel, the border department of a barrel confined terminal surface is connected with the connecting pipe, the both sides department that barrel one end was kept away from to the connecting pipe rotates and is connected with the curved bar, two the curved bar one end department of keeping away from the connecting pipe is provided with the syringe needle, pass through the hose connection between syringe needle and the connecting pipe, set up the recess on the outer wall of barrel, be provided with the movable block in the recess, movable block one end department is connected with the carriage release lever, set up logical groove on the tip cell wall of recess, the carriage release lever passes logical groove, the one end rotation of carriage release lever department logical groove is connected on the curved bar.

As a further scheme of the utility model: the movable block is vertically connected with a push pipe, and the push pipe penetrates out of the groove.

As a still further scheme of the utility model: the movable block is characterized in that the upper side and the lower side of the front face of the movable block are movably provided with extrusion strips, and two sides, far away from each other, of the extrusion strips are provided with rubber pads.

As a still further scheme of the utility model: the extrusion device is characterized in that a sliding block is arranged on one side face, close to the movable block, of the extrusion strip, a sliding groove is formed in the movable block, the sliding block is arranged in the sliding groove in a sliding mode, and a spring is connected between one side face of the sliding block and the end groove wall of the sliding groove.

As a still further scheme of the utility model: the rotating rod is inserted into the push pipe, a rotating cap is arranged at one end of the rotating rod, which penetrates out of the push pipe, an opening is formed in the part, close to the movable block, of the push pipe, an extrusion block penetrates out of the opening, and the extrusion block is arranged on the rotating rod.

Compared with the prior art, the utility model has the beneficial effects that: the needle head is connected with the connecting pipe at the end part of the barrel through the hose, one end of the needle head is arranged at the end parts of the two curved bars, the other ends of the two curved bars are rotatably connected with the connecting pipe, and the middle part of the side surface of one curved bar is connected with one end of the moving bar, so that when the angle of the needle head needs to be adjusted, the moving bar can be moved along the horizontal direction, the moving bar is used for driving the curved bars to rotate on the connecting pipe, the adjusting function of the angle of the needle head can be realized, the structure is simple, the manufacturing cost is low, meanwhile, the groove is formed in the barrel wall of the barrel, the groove for inserting the moving bar is formed in the groove wall at the end part of the groove, the moving block inserted into the groove is arranged in the groove, the moving block can be directly driven to move in the groove by the pushing pipe, the moving bar is horizontally moved, the operation is simple and convenient, and the medical efficiency is improved.

Drawings

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

FIG. 2 is an enlarged view of the structure of the present invention at A.

In the figure: 1. a barrel; 2. a piston rod; 3. a connecting pipe; 4. a needle head; 5. a curved bar; 6. a hose; 7. a travel bar; 8. a groove; 9. a through groove; 10. a movable block; 11. pushing the tube; 12. extruding the strip; 13. a rubber pad; 14. a rotating rod; 15. turning the cap; 16. an opening; 17. extruding the block; 18. a slider; 19. a spring.

Detailed Description

Referring to fig. 1-2, in the embodiment of the utility model, a dental necrotic pulp extraction device comprises a cylinder 1, a piston rod 2 inserted into the cylinder 1, a piston arranged at one end of the piston rod 2 inserted into the cylinder 1, a connecting pipe 3 connected to the edge of the outer side surface of the closed end of the cylinder 1, the connecting pipe 3 communicated with the inside of the cylinder 1, curved rods 5 rotatably connected to the two sides of one end of the connecting pipe 3 away from the cylinder 1, a needle 4 fixedly arranged at one end of the two curved rods 5 away from the connecting pipe 3, the needle 4 arranged along the length direction of the two curved rods 5, the needle 4 connected to the connecting pipe 3 through a hose 6, a groove 8 arranged on the outer wall of the cylinder 1, a movable block 10 movably arranged in the groove 8, a movable rod 7 connected to one end face of the movable block 10, a through groove 9 arranged on the end of the groove 8, the movable rod 7 movably passing through the through groove 9, the one end that the logical groove 9 was located in the removal pole 7 wearing is rotated and is connected on curved bar 5, and removal pole 7 is close to the one end department of curved bar 5 and has passed the axostylus axostyle, and the card of the one end activity of removal pole 7 tip axostylus axostyle is seted up in the draw-in groove on curved bar 5, utilizes the horizontal migration that removal pole 7 led to the groove 9 on barrel 1 in, can realize 4 angle regulation work, simple structure, convenient operation to the syringe needle.

Referring to fig. 2, the movable block 10 is vertically connected with a push pipe 11, and the push pipe 11 penetrates through the groove 8.

By adopting the technical scheme, the movable block 10 can be pushed to move in the groove 8 by utilizing the push pipe 11, so that the moving operation of the moving rod 7 is greatly facilitated.

Referring to fig. 2, the upper and lower sides of the front surface of the movable block 10 are movably provided with extrusion strips 12, and a rubber pad 13 is bonded to a side surface of each of the two extrusion strips 12 away from each other.

Through adopting above-mentioned technical scheme, after the angular adjustment to syringe needle 4 is accomplished, move extrusion strip 12 towards both sides on movable block 10, on the cell wall of sticking to recess 8 is extruded to the rubber pad 13 that sees through extrusion strip 12, plays the effect of locking to movable block 10 in recess 8, and then fixes syringe needle 4.

Referring to fig. 2, a sliding block 18 is arranged on one side surface of the extrusion strip 12 close to the movable block 10, a sliding groove is formed in the movable block 10, the sliding block 18 is slidably sleeved in the sliding groove, and a spring 19 is connected between one side surface of the sliding block 18 and the end groove wall of the sliding groove.

By adopting the technical scheme, the sliding block 18 is slidably sleeved in the sliding groove formed in the movable block 10, so that the extrusion strip 12 and the movable block 10 are connected, and the movement of the extrusion strip 12 on the movable block 10 is not hindered.

Referring to fig. 2, a rotating rod 14 is movably inserted into the push tube 11, a rotating cap 15 is fixedly arranged at one end of the rotating rod 14, which penetrates out of the push tube 11, an opening 16 is formed at a part of the push tube 11, which is close to the movable block 10, an extrusion block 17 penetrates out of the opening 16, and the extrusion block 17 is fixedly arranged on the rotating rod 14.

By adopting the technical scheme, the rotating rod 14 is rotated anticlockwise in the push tube 11 by the rotating cap 15, the extrusion block 17 on the rotating rod 14 is driven to rotate in the opening 16 on the push tube 11, and the extrusion strip 12 can be pushed to move on the movable block 10 beyond two sides by the extrusion block 17.

The working principle of the utility model is as follows: when the angle of the needle 4 needs to be adjusted, only in the groove 8 on the barrel 1, the push tube 11 is pushed, the push tube 11 drives the movable block 10 to move in the groove 8, the movable block 10 moves to drive the movable rod 7 to move in the through groove 9 of the barrel 1, the curved rod 5 is pushed to rotate on the connecting pipe 3, the adjustment of the angle of the needle 4 can be realized, after the angle adjustment of the needle 4 is completed, the rotating rod 14 is rotated on the push tube 11 by using the rotating cap 15, the two extrusion blocks 17 on the rotating rod 14 rotate in the opening 16 on the push tube 11, the two extrusion strips 12 on the movable block 10 are pushed to move towards two sides, the rubber pads 13 on the extrusion strips 12 are squeezed and attached to the two side groove walls of the groove 8, the movable block 10 is stopped in the groove 8, and the needle 4 after the angle adjustment is completed is further fixed, the operation is simple and convenient.

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. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dental necrotic pulp extraction device comprises a cylinder body (1) and a piston rod (2) inserted into the cylinder body (1), and is characterized in that a connecting pipe (3) is connected to the edge of one closed end face of the cylinder body (1), two bent rods (5) are rotatably connected to the two sides of one end, away from the cylinder body (1), of the connecting pipe (3), a needle (4) is arranged at one end, away from the connecting pipe (3), of each of the two bent rods (5), the needle (4) is connected with the connecting pipe (3) through a hose (6), a groove (8) is formed in the outer wall of the cylinder body (1), a movable block (10) is arranged in the groove (8), a movable rod (7) is connected to one end of the movable block (10), a through groove (9) is formed in the end groove wall of the groove (8), and the movable rod (7) passes through the through groove (9), one end of the through groove (9) at the penetrating position of the movable rod (7) is rotatably connected to the curved rod (5).

2. A dental necrosed pulp extraction device according to claim 1, wherein said movable block (10) is vertically connected with a push tube (11), said push tube (11) passing through the groove (8).

3. A dental necrosed pulp extraction device according to claim 1, wherein said movable block (10) is movably provided with pressing strips (12) at upper and lower sides of the front surface thereof, and rubber pads (13) are provided on the sides of said pressing strips (12) which are away from each other.

4. A dental necrosed pulp extraction device according to claim 3, wherein a slide block (18) is arranged on one side surface of the extrusion strip (12) close to the movable block (10), a sliding groove is formed on the movable block (10), the slide block (18) is slidably arranged in the sliding groove, and a spring (19) is connected between one side surface of the slide block (18) and the end groove wall of the sliding groove.

5. A dental necrosed pulp extraction device according to claim 2, wherein a rotating rod (14) is inserted into the push tube (11), a rotating cap (15) is arranged at one end of the rotating rod (14) penetrating out of the push tube (11), an opening (16) is arranged at the part of the push tube (11) close to the movable block (10), a squeezing block (17) penetrates out of the opening (16), and the squeezing block (17) is arranged on the rotating rod (14).