CN219126759U - Device for cutting gutta-percha point - Google Patents

Abstract

The device for cutting off the gutta-percha point comprises a graduated scale used for use, wherein a main scale line and an end cover arranged at one end of the graduated scale are arranged on the graduated scale, the device also comprises a U-shaped block, a cutting assembly, a positioning assembly and an auxiliary scale line, the middle part of the inner side of the graduated scale is provided with the U-shaped block, the other end of the graduated scale is provided with the cutting assembly, and the middle part of the graduated scale is provided with the positioning assembly; the cutting assembly comprises a cross beam, a pressing column, a pressure plate, a spring, a cutting knife, a first through hole, a guide column, a second through hole and a knife groove, wherein the cross beam is fixed at one end of a graduated scale, the middle part of the cross beam is inserted with the pressing column, the top end of the pressing column is provided with the pressure plate, the pressing column at the bottom of the pressure plate is sleeved with the spring, the bottom end of the pressing column is provided with the cutting knife, the knife groove is formed at the position of the U-shaped block corresponding to the cutting knife.

Description

Device for cutting gutta-percha point

Technical Field

The utility model relates to a gutta-percha point cutting part, in particular to a device for cutting gutta-percha points.

Background

In root canal treatment, the gutta-percha point with corresponding size is taken according to the length of the root canal of a patient, unnecessary parts are cut off, and then the root canal is filled. Under-filling or over-filling of the root canal can affect root canal treatment. During underfilling, periapical tissue fluid, exudates may infiltrate back into the unfilled root canal, and the breakdown and proliferation of exudates results in reinfection and failure of root canal treatment. During superfilling, infectious agents such as bacteria are pushed into the root tip holes to cause periapical inflammation, and in addition, the root filling material causes foreign body reaction or toxic stimulation in periapical tissues. Therefore, it is important to ensure the length and taper of the gutta percha point. The standard of just filling is Kong Wucha +/-0.5 mm from the main tip of the gutta-percha point to the physiological root tip.

At present, no good gutta-percha point cutting device exists, and a clinically common method is that after a clinician measures the working length, the working length is aligned with a ruler, redundant gutta-percha points are bent, and the bending part is cut by scissors, so that the accurate positioning and cutting of the gutta-percha points are not facilitated.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides a device for cutting the gutta-percha point, which effectively solves the problems that no good gutta-percha point cutting device exists at present, and a clinician aims at a ruler after measuring the working length, bends redundant gutta-percha points, and cuts the bent parts by scissors, thereby being not beneficial to accurately positioning and cutting the gutta-percha points.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model comprises a graduated scale used for use, wherein the graduated scale is provided with a main graduation line and an end cover arranged at one end of the graduated scale, and also comprises a U-shaped block, a cutting assembly, a positioning assembly and an auxiliary graduation line;

the cutting assembly comprises a cross beam, a pressing column, a pressure plate, a spring, a cutting knife, a first through hole, a guide column, a second through hole and a knife groove, wherein the cross beam is fixed at one end of the graduated scale, the middle part of the cross beam is inserted with the pressing column, the pressure plate is installed at the top end of the pressing column, the spring is sleeved on the pressing column at the bottom of the pressure plate, the cutting knife is installed at the bottom end of the pressing column, and the knife groove is formed in the position of the U-shaped block corresponding to the cutting knife.

Preferably, an auxiliary scale mark is arranged on one side of the U-shaped block.

Preferably, a first through hole is formed in the position, corresponding to the pressing column, of the cross beam.

Preferably, two guide posts are symmetrically fixed on two sides of the bottom end of the pressure plate, and a second through hole is formed in the position of the cross beam corresponding to the guide posts.

Preferably, the locating component includes horizontal pole, locating piece, arc piece, fastening knob, screw hole and adjustment tank, and the middle part of horizontal pole bottom is provided with the locating piece that is located the U type piece, and the bottom of locating piece is provided with the arc piece, and the both ends of horizontal pole are connected with the scale lateral wall through the fastening knob, and the horizontal pole corresponds fastening knob position department and offered the screw hole.

Preferably, the position of the graduated scale corresponding to the fastening knob is provided with an adjusting groove.

The beneficial effects are that: when the tooth paste cutter is used, the tooth paste tip is placed in the U-shaped block until the tooth paste tip abuts against the arc-shaped block of the positioning block, at the moment, the pressing plate is pressed to overcome the spring to move downwards, the pressing plate moves downwards to push the pressing column, the pressing column pushes the cutting knife to move downwards, the cutting knife moves downwards to cut the tooth paste tip in the U-shaped block, the operation is simple and convenient, meanwhile, when the tooth paste cutter is used, the cutting length needs to be adjusted, the fastening knob is unscrewed to push the cross rod, the position of the cross rod is observed through the main scale line and the auxiliary scale line, after the cross rod is adjusted to a proper position, the two fastening knobs are screwed, the cross rod, the positioning block and the arc-shaped block can be fixed, so that when the tooth paste tip is placed in the U-shaped block, the tooth paste tip needs to be positioned, the tooth paste tip positioning accuracy is good, and the tooth paste tip positioning cutting is facilitated.

The utility model has novel structure and ingenious conception, is convenient for positioning the length of the gutta-percha point to be cut, has good positioning accuracy for the gutta-percha point and is beneficial to positioning and cutting the gutta-percha point.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the three-dimensional structure of the cross bar of the present utility model;

FIG. 3 is a side view of the scale of the present utility model;

FIG. 4 is a cross-sectional view of a cutting assembly of the present utility model;

reference numerals in the drawings: 1. a graduated scale; 2. a main score line; 3. an end cap; 4. a U-shaped block; 5. a cutting assembly; 6. a positioning assembly; 7. auxiliary graduation marks; 501. a cross beam; 502. pressing a column; 503. a pressure plate; 504. a spring; 505. a cutting knife; 506. a first through hole; 507. a guide post; 508. a second through hole; 509. a knife slot; 61. a cross bar; 62. a positioning block; 63. an arc-shaped block; 64. fastening a knob; 65. a threaded hole; 66. and an adjusting groove.

Detailed Description

The following describes embodiments of the present utility model in further detail with reference to FIGS. 1-4.

The first embodiment is shown in fig. 1-4, the utility model provides a device for cutting gutta-percha points, which comprises a graduated scale 1 used for use, wherein a main scale line 2 and an end cover 3 arranged at one end of the graduated scale 1 are arranged on the graduated scale 1, the device also comprises a U-shaped block 4, a cutting assembly 5, a positioning assembly 6 and an auxiliary scale line 7, the middle part of the inner side of the graduated scale 1 is provided with the U-shaped block 4, the other end of the graduated scale 1 is provided with the cutting assembly 5, and the middle part of the graduated scale 1 is provided with the positioning assembly 6;

the cutting assembly 5 comprises a cross beam 501, a pressing column 502, a pressing plate 503, a spring 504, a cutting knife 505, a first through hole 506, a guide column 507, a second through hole 508 and a knife groove 509, wherein the cross beam 501 is fixed at one end of the graduated scale 1, the pressing column 502 is inserted in the middle of the cross beam 501, the pressing plate 503 is installed at the top end of the pressing column 502, the pressing column 502 at the bottom of the pressing plate 503 is sleeved with the spring 504, the cutting knife 505 is installed at the bottom end of the pressing column 502, and the knife groove 509 is formed in the position of the U-shaped block 4 corresponding to the cutting knife 505.

The specific use is as follows: when the tooth paste cutter is used, the tooth paste tip is placed in the U-shaped block 4 until the tooth paste tip abuts against the arc-shaped block 63 of the positioning block 62, at the moment, the pressing plate 503 is pressed, the pressing plate 503 moves downwards against the spring 504, the pressing plate 503 moves downwards to push the pressing post 502, the pressing post 502 pushes the cutting knife 505 to move downwards, the cutting knife 505 moves downwards to cut the tooth paste tip in the U-shaped block 4, the operation is simple and convenient, meanwhile, when the cutting length needs to be adjusted in use, the fastening knob 64 is unscrewed, the cross rod 61 is pushed, the position of the cross rod 61 is observed through the main scale line 2 and the auxiliary scale line 7, after the tooth paste tip is adjusted to a proper position, the cross rod 61, the positioning block 62 and the arc-shaped block 63 can be fixed, so that when the tooth paste tip is placed in the U-shaped block 4, the tooth paste tip needs to be cut, the positioning accuracy of the tooth paste tip is good, and the positioning and cutting of the tooth paste tip is facilitated.

The beneficial effects are that: the utility model has novel structure and ingenious conception, is convenient for positioning the length of the gutta-percha point to be cut, has good positioning accuracy for the gutta-percha point and is beneficial to positioning and cutting the gutta-percha point.

Example two

In the first embodiment, the positioning and observation of the gutta-percha point placed in the U-shaped block 4 are inconvenient, and referring to fig. 1, as another preferred embodiment, the difference from the first embodiment is that an auxiliary scale line 7 is provided on one side of the U-shaped block 4, so that the positioning and observation of the gutta-percha point placed in the U-shaped block 4 is convenient.

Example III

The first embodiment of the present utility model is inconvenient to install and use, and referring to fig. 4, as another preferred embodiment, the difference between the first embodiment and the second embodiment is that the cross beam 501 is provided with a first through hole 506 at a position corresponding to the pressing post 502, so that the pressing post 502 is convenient to install and use.

Example IV

Referring to fig. 4, in the first embodiment, the positioning of the platen 503 is inconvenient, and as another preferred embodiment, the difference between the first embodiment and the second embodiment is that two guide posts 507 are symmetrically fixed on two sides of the bottom end of the platen 503, and a second through hole 508 is formed at the position of the cross beam 501 corresponding to the guide posts 507, so that the positioning of the platen 503 is facilitated.

Example five

Referring to fig. 1-3, the difference between the first preferred embodiment and the first preferred embodiment is that the positioning assembly 6 includes a cross bar 61, a positioning block 62, an arc block 63, a fastening knob 64, a threaded hole 65 and an adjusting slot 66, the middle of the bottom end of the cross bar 61 is provided with the positioning block 62 located in the U-shaped block 4, the bottom end of the positioning block 62 is provided with the arc block 63, two ends of the cross bar 61 are connected with the side wall of the scale 1 through the fastening knob 64, the threaded hole 65 is formed at the position of the cross bar 61 corresponding to the fastening knob 64, when the positioning is used, the fastening knob 64 is unscrewed, the cross bar 61 is pushed, the position of the cross bar 61 is observed through the main scale line 2 and the auxiliary scale line 7, and after the two fastening knobs 64 are adjusted to the proper positions, the cross bar 61, the positioning block 62 and the arc block 63 can be fixed, so that when the tooth tip is placed in the U-shaped block 4, the length of the tooth tip to be cut can be positioned.

Example six

In the fifth embodiment, the fastening knob 64 is inconvenient to adjust, referring to fig. 3, and as another preferred embodiment, the difference from the fifth embodiment is that an adjusting groove 66 is formed at the position of the scale 1 corresponding to the fastening knob 64, so as to facilitate the adjustment of the fastening knob 64.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a cut off device of gutta-percha point, is including scale (1) that is used for using, has seted up main scale mark (2) and end cover (3) that scale (1) one end set up on scale (1), its characterized in that: the automatic cutting device is characterized by further comprising a U-shaped block (4), a cutting assembly (5), a positioning assembly (6) and an auxiliary scale mark (7), wherein the U-shaped block (4) is arranged in the middle of the inner side of the scale (1), the cutting assembly (5) is arranged at the other end of the scale (1), and the positioning assembly (6) is arranged in the middle of the scale (1);

the utility model provides a cutting assembly (5) includes crossbeam (501), clamp column (502), pressure disk (503), spring (504), cut cutter (505), first through-hole (506), guide post (507), second through-hole (508) and sword groove (509), the one end at scale (1) is fixed to crossbeam (501), peg graft in the middle part of crossbeam (501) has clamp column (502), pressure disk (503) are installed on the top of clamp column (502), the cover is equipped with spring (504) on clamp column (502) of pressure disk (503) bottom, cut cutter (505) are installed to the bottom of clamp column (502), sword groove (509) have been seted up in U type piece (4) corresponding cut cutter (505) position department.

2. A device for cutting gutta percha points according to claim 1, characterized in that one side of the U-shaped block (4) is provided with auxiliary graduation marks (7).

3. The device for cutting gutta percha points according to claim 1, wherein the beam (501) is provided with a first through hole (506) at a position corresponding to the pressing column (502).

4. The device for cutting gutta percha points according to claim 1, wherein two guide posts (507) are symmetrically fixed on two sides of the bottom end of the pressure plate (503), and a second through hole (508) is formed in the position of the cross beam (501) corresponding to the guide posts (507).

5. The device for cutting gutta-percha points according to claim 1, wherein the positioning assembly (6) comprises a cross rod (61), a positioning block (62), an arc-shaped block (63), a fastening knob (64), a threaded hole (65) and an adjusting groove (66), the middle part of the bottom end of the cross rod (61) is provided with the positioning block (62) positioned in the U-shaped block (4), the bottom end of the positioning block (62) is provided with the arc-shaped block (63), two ends of the cross rod (61) are connected with the side wall of the graduated scale (1) through the fastening knob (64), and the position of the cross rod (61) corresponding to the fastening knob (64) is provided with the threaded hole (65).

6. The device for cutting gutta percha points according to claim 5, wherein the graduated scale (1) is provided with an adjusting groove (66) at a position corresponding to the fastening knob (64).

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