CN209933018U

CN209933018U - Dental caries removing spoon for distal and proximal surfaces of oral cavity distal teeth

Info

Publication number: CN209933018U
Application number: CN201920336942.5U
Authority: CN
Inventors: 辜赵娜; 李玲; 刘应凯; 代天国; 陈彦清; 杨波
Original assignee: Panzhihua Central Hospital
Current assignee: Panzhihua Central Hospital
Priority date: 2019-03-15
Filing date: 2019-03-15
Publication date: 2020-01-14
Anticipated expiration: 2029-03-15

Abstract

The utility model relates to the field of oral medical instruments, in particular to an oral cavity end tooth far and middle adjacent surface caries removal digging spoon, which comprises a handle, a first working part and a second working part, wherein the first working part and the second working part are respectively arranged at two ends of the handle; the first working part is bent to form a hook-shaped structure with a first opening; the working part of the digging spoon is bent to form a hook-shaped structure, so that the working part of the digging spoon reaches the far middle adjacent surface of the oral cavity end tooth, the dental caries tissue at the far middle adjacent surface of the oral cavity end tooth in the blind area of naked eyes can be removed, the dental caries tissue at the position can be conveniently and cleanly treated, and the occurrence of complications such as postoperative infection, hemorrhage and the like can be reduced.

Description

Dental caries removing spoon for distal and proximal surfaces of oral cavity distal teeth

Technical Field

The utility model relates to the field of oral medical instruments, in particular to a tooth-removing digging spoon for the far middle and adjacent surfaces of the end teeth of the oral cavity.

Background

The dental spoon is a medical instrument used for removing tooth fragments, residues or scraping granuloma, cyst, pathological tissues in tooth sockets and decayed bone during oral surgery. In oral treatment work, caries (caries not affecting the occlusal, buccal and lingual surfaces of the second molars) are often encountered in the mesio-facial area of the last molars (second molars) of the mouth where the caries is located in the innermost position of the mouth and with the greatest difficulty in being blind to the naked eye. This caries is often caused by poor oral hygiene or a dead zone of oral cleaning between the anteverted wisdom tooth and the second molar, resulting in food residues that are not easily cleaned. After the impacted tooth is pulled out, the impacted tooth needs to be repaired at the position, the conventional oral cavity caries removing spoon mainly aims at common facial caries and adjacent facial caries, the caries at the position is not always in facial conformity, and if the common oral cavity caries removing spoon is used for removing caries, as the working end of the spoon is single in bending angle, the operation is inconvenient, and the carious tissue cannot be completely and thoroughly removed; if a turbine is used for caries removal, it must be drilled in one of the three surfaces of the tooth, either the occlusal or buccal or lingual surfaces, under direct vision of the eye, which tends to destroy more of the normal dental tissue.

SUMMERY OF THE UTILITY MODEL

To solve the technical problems, the utility model provides a dental caries removing spoon for the far and middle adjacent surfaces of the oral cavity end teeth.

In order to solve the technical problem, the utility model discloses a technical scheme be:

a dental caries removing spoon for the far and middle adjacent surfaces of the end teeth of an oral cavity comprises a handle, a first working part and a second working part, wherein the first working part and the second working part are respectively arranged at the two ends of the handle; the first working part is bent to form a hook-shaped structure with a first opening.

Further, first work portion is including the first extension rod, head rod and the first work rod that connect gradually, the first work rod is kept away from the one end of head rod is equipped with first spoon portion, first extension rod with the one end of handle is connected, just the axial centerline of handle, the axial centerline of first extension rod, the axial centerline of head rod and the axial centerline of first work rod all are in same horizontal plane.

Furthermore, the axial center line of the first extension rod and the axial center line of the handle are intersected to form a first included angle, the axial center line of the first extension rod and the axial center line of the first connecting rod are intersected to form a second included angle, and the axial center line of the first connecting rod and the axial center line of the first working rod are intersected to form a third included angle; the first included angle, the second included angle and the third included angle are all obtuse angles.

Further, the angle of the first included angle is 165-175 degrees, the angle of the second included angle is 110-130 degrees, and the angle of the third included angle is 100-130 degrees; the first included angle and the second included angle are staggered angles, and the second included angle and the third included angle are same inner angles.

Further, the first extension rod is matched with the handle in a clamping mode.

Furthermore, a first clamping cavity and a second clamping cavity are respectively arranged at two ends of the handle; the handle is provided with a first through hole and a second through hole which are communicated with the first clamping cavity and the second clamping cavity respectively, and the orientation of the first through hole is opposite to that of the second through hole; the handle is further provided with a first pressing rod and a second pressing rod respectively, one end of each of the first pressing rod and the second pressing rod is provided with a pressing bulge which is matched with the first through hole and the second through hole in a form-fitting manner, and the other end of the first pressing rod and the other end of the second pressing rod are hinged to the handle respectively.

Further, the one end of first extension rod be equipped with first joint chamber shape-adapted complex first joint portion, be equipped with in the first joint portion with first through-hole complex elastic bulge.

Furthermore, the first clamping portion is provided with a containing groove matched with the elastic bulge, a spring is arranged in the containing groove, and two ends of the spring are respectively contacted with the elastic bulge and the bottom of the containing groove.

Furthermore, the junction of the first extension rod and the first connecting rod and the junction of the first connecting rod and the first working rod are both in arc transition.

Further, the connection relationship between the members of the second working unit is the same as the connection relationship between the members of the first working unit.

The beneficial effects of the utility model reside in that: the utility model discloses a tooth is removed in far away neighbour face of oral cavity end tooth and is dug spoon, through bending the work portion that digs the spoon and form colluding the column structure, make the work portion that digs the spoon reach the far away neighbour face of oral cavity end tooth, can get rid of the tooth's in far away neighbour face of the oral cavity end tooth that is located the naked eye blind area carious tissue, be convenient for handle the carious tissue clean here, in order to reduce complication emergence such as postoperative infection, hemorrhage; meanwhile, the condition of patients is aggravated by destroying more normal tooth tissues or accidentally injuring dental pulp when a turbine is used for removing the far-middle adjacent surface dental caries is avoided; furthermore, the utility model provides a handle can with the working portion independent assortment of multiple difference, and the working head can all be installed at both ends, in addition, the utility model discloses a dig the spoon simple structure, in the aspect of the operation, do benefit to the working portion that medical staff prepared different model sizes and functions according to the actual need of the state of an illness of patient when the operation, practiced thrift treatment time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of a spoon for digging the far and middle adjacent surfaces of the end teeth of the oral cavity;

fig. 2 is a schematic structural view of each axial center line of the first working portion of the present invention;

FIG. 3 is a schematic structural view of the handle of the present invention;

fig. 4 is a schematic partial cross-sectional view of a first working portion of the present invention;

fig. 5 is a schematic structural view of a second working portion of the present invention;

in the figure, 1 is a handle; 10 is the axial central line of the handle, and 11 is a first clamping cavity; 12 is a second clamping cavity; 13 is a first through hole; 14 is a second through hole; 2 is a first working part; 21 is a first spoon part; 22 is a first opening; 23 is a first extension rod; 230 is the axial centerline of the first extension rod; 231 is a first clamping part; 24 is a first connecting rod; 240 is the axial centerline of the first connecting rod; 25 is a first working lever; 250 is the axial centerline of the first work bar; 3 is a second working part; 31 is a second spoon blade; 32 is a second opening; 41 is a first pressing rod; 42 is a second pressing rod; 43 is a pressing projection; 5 is an elastic bulge; 51 is an accommodating cavity; 52 is a spring; theta 1 is a first included angle; theta 2 is a second included angle; and theta 3 is a third included angle.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the tooth decay removing spoon for the oral cavity end teeth of the present invention, specifically, the tooth decay removing spoon for the oral cavity end teeth, comprises a handle 1, and a first working part 2 and a second working part 3 respectively arranged at two ends of the handle 1, wherein a first spoon scraping part 21 is arranged at one end of the first working part 2 away from the handle 1; the first working portion 2 is bent to form a hook-shaped structure having a first opening 22. Because the last tooth of oral cavity is located the position of oral cavity innermost, if take place far away well neck face caries, just need clear up carious tissue with digging the spoon, through the colluding column structure with the work portion design into buckling, make the curette portion of work portion one end can laminate the far away adjacent face caries of the last tooth of oral cavity of naked eye blind area as far as possible, be convenient for with carious tissue clean up here to reduce conditions such as postoperative infection.

In this embodiment, the first working portion 2 includes a first extension rod 23, a first connection rod 24 and a first working rod 25, which are connected in sequence, one end of the first working rod 25, which is far away from the first connection rod 24, is provided with a first spoon portion 21, the first extension rod 23 is connected with one end of the handle 1, and the axial center line 10 of the handle 1, the axial center line 230 of the first extension rod 23, the axial center line 240 of the first connection rod 24 and the axial center line 250 of the first working rod 25 are all located on the same horizontal plane.

Specifically, referring to fig. 2, the axial centerline 10 of the handle 1, the axial centerline 230 of the first extension rod 23, the axial centerline 240 of the first connecting rod 24 and the axial centerline 250 of the first working rod 25 are all in the same horizontal plane; the axial center line 230 of the first extension rod 23 intersects with the axial center line 10 of the handle 1 to form a first included angle theta 1, the axial center line 230 of the first extension rod 23 intersects with the axial center line 240 of the first connecting rod 24 to form a second included angle theta 2, and the axial center line 240 of the first connecting rod 24 intersects with the axial center line 250 of the first working rod 25 to form a third included angle theta 3; the first included angle theta 1, the second included angle theta 2 and the third included angle theta 3 are all obtuse angles. Specifically, the angle of the first included angle theta 1 is 165-175 degrees, the angle of the second included angle theta 2 is 110-130 degrees, and the angle of the third included angle theta 3 is 100-120 degrees; the first included angle theta 1 and the second included angle theta 2 are staggered angles, and the second included angle theta 2 and the third included angle theta 3 are straight included angles. The angle design among the first included angle theta 1, the second included angle theta 2 and the third included angle theta 3 is to make the first working part 2 stretch into the patient's oral cavity, make things convenient for the first curette portion 21 of first working rod 25 one end to laminate the carious tissue of the far middle adjacent surface of last tooth, and the first working part 2 that has first opening 22 that first extension rod 23, first connecting rod 24 and first working rod 25 are connected and are formed, operating space has during the use, be convenient for medical personnel to operate this carious spoon of excavating, and, first opening 22 that first working part 2 formed is difficult to touch adjacent tooth when the operation, patient's uncomfortable sense has been reduced.

In this embodiment, the first extension rod 23 is in snap fit with the handle 1.

Specifically, referring to fig. 3, a first clamping cavity 11 and a second clamping cavity 12 are respectively arranged at two ends of the handle 1; a first through hole 13 and a second through hole 14 which are communicated with the first clamping cavity 11 and the second clamping cavity 12 are respectively formed in the handle 1, and the direction of the first through hole 13 is opposite to that of the second through hole 14; the handle 1 is further provided with a first pressing rod 41 and a second pressing rod 42, one end of the first pressing rod 41 and one end of the second pressing rod 42 are provided with a pressing protrusion 43 which is matched with the first through hole 13 and the second through hole 14 in a form-fitting manner, and the other end of the first pressing rod 41 and the other end of the second pressing rod 42 are hinged to the handle 1. Through setting up handle 1 and first work portion 2 into the joint cooperation, be convenient for when using with the dismantlement, the installation of handle 1 and first work portion 2, of course, can set the joint portion of the work portion of multiple different functions, size to the structure with the joint chamber adaptation of handle 1, make handle 1 and multiple different functions, the work portion of size can cooperate the use, make things convenient for medical staff to prepare the surgical equipment according to the patient's state of an illness to treatment time has been practiced thrift.

Referring to fig. 4, in the present embodiment, one end of the first extension rod 23 is provided with a first clamping portion 231 matched with the first clamping cavity 11 in a form-fitting manner, and the first clamping portion 231 is provided with an elastic protrusion 5 matched with the first through hole 13.

The first clamping portion 231 is provided with a containing groove 51 adapted to the elastic protrusion 5, a spring 52 is arranged in the containing groove 51, two ends of the spring 52 are respectively contacted with the elastic protrusion 5 and the bottom of the containing groove 51, and a notch of the containing groove 51 is provided with a limiting protrusion, so that the elastic protrusion 5 is always limited in the containing groove 51. Specifically, when one end of the handle 1 is required to be inserted into the first working portion 2, the elastic protrusion 5 on the first clamping portion 231 of the first working portion 2 is aligned with the through hole on the handle 1, and the elastic protrusion 5 and the first through hole 13 are as much as possible on the same straight line, and the first clamping portion 231 is slowly pushed in, because the elastic protrusion 5 is arc-shaped, when the elastic protrusion 5 contacts the inner wall of the first clamping cavity 11, the arc-shaped elastic protrusion 5 can be conveniently pushed to slide, the elastic protrusion 5 is compressed into the containing groove 51, the clamping portion is continuously pushed into the first clamping cavity 11, when the elastic protrusion 5 and the first through hole 13 communicated with the first clamping cavity 11 are superposed, because the resistance force of continuously squeezing the elastic protrusion 5 is not generated, the compressed spring 52 immediately returns to a normal state, and the elastic protrusion 5 is pushed into the first through hole 13, so that the first clamping portion 231 is fixed in the first clamping cavity 11, the installation of the first working part 2 is completed.

When the working portion needs to be replaced or detached, only the first pressing rod 41 needs to be pressed, the pressing protrusion 43 at the end of the first pressing rod 41 pushes the elastic protrusion 5 in the first through hole 13 into the accommodating groove 51 of the first clamping portion 231, and then the first clamping portion 231 is pulled out. Certainly, in order to facilitate the positioning of the elastic protrusion 5 and the first through hole 13, a guide protrusion is arranged on the inner wall of the first clamping portion 231 or the inner wall of the first clamping cavity 11, and a guide groove is correspondingly arranged on the inner wall of the first clamping cavity 11 or the first clamping portion 231, so that the positioning and the installation of the first clamping portion 231 and the first clamping cavity 11 are facilitated.

In this embodiment, the connection between the first extension rod 23 and the first connecting rod 24 and the connection between the first connecting rod 24 and the first working rod 25 are both arc-shaped transitions.

In the present embodiment, the connection relationship between the components of the second working part 3 is the same as the connection relationship between the components of the first working part 2, but the difference is that the bending direction of the second working part 3 is opposite to that of the first working part 2, that is, the second opening 32 and the first opening 22 are arranged in a staggered manner, and the opening directions are opposite; when the first working part 2 works, the first opening 22 of the first working part 2 corresponds to the last left tooth of a patient, and the first curet 21 at the front end of the first working part 2 can reach the far middle collar surface caries of the last left molar tooth; the second opening 32 of the second working part 3 corresponds to the last right tooth of the patient, and the second scraping and spoon part 31 at the front end of the second working part 3 can reach the far middle collar surface dental caries of the last right molar; meanwhile, the working surfaces of the second curettage part 31 and the first curettage part 21 are arranged oppositely, so that the second curettage part is arranged to be adapted to the working surfaces for conveniently treating the caries at the far middle adjacent surfaces of the left and right side end teeth of the oral cavity.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A dental caries removing spoon for the far and middle adjacent surfaces of the oral cavity end teeth is characterized in that: the multifunctional spoon comprises a handle (1), and a first working part (2) and a second working part (3) which are respectively arranged at two ends of the handle (1), wherein a first spoon part (21) is arranged at one end, far away from the handle (1), of the first working part (2); the first working part (2) is bent to form a hook-shaped structure with a first opening (22).

2. The dental caries removing spoon as claimed in claim 1, wherein: first work portion (2) are including first extension rod (23), head rod (24) and first work rod (25) that connect gradually, keep away from in first work rod (25) the one end of head rod (24) is equipped with first spoon portion (21), first extension rod (23) with the one end of handle (1) is connected, just axial centerline (10) of handle (1), axial centerline (230) of first extension rod (23), axial centerline (240) of head rod (24) and axial centerline (250) of first work rod (25) all are in same horizontal plane.

3. The dental caries removing spoon as claimed in claim 2, wherein: the axial center line (230) of the first extension rod (23) is intersected with the axial center line (10) of the handle (1) to form a first included angle (theta 1), the axial center line (230) of the first extension rod (23) is intersected with the axial center line (240) of the first connecting rod (24) to form a second included angle (theta 2), and the axial center line (240) of the first connecting rod (24) is intersected with the axial center line (250) of the first working rod (25) to form a third included angle (theta 3); the first included angle (theta 1), the second included angle (theta 2) and the third included angle (theta 3) are all obtuse angles.

4. The dental caries removing spoon as claimed in claim 3, wherein: the angle of the first included angle (theta 1) is 165-175 degrees, the angle of the second included angle (theta 2) is 110-130 degrees, and the angle of the third included angle (theta 3) is 100-130 degrees; the first included angle (theta 1) and the second included angle (theta 2) are staggered angles, and the second included angle (theta 2) and the third included angle (theta 3) are same interior angles.

5. The dental caries removing spoon as claimed in claim 2, wherein: the first extension rod (23) is matched with the handle (1) in a clamping mode.

6. The dental caries removing spoon as claimed in claim 5, wherein: a first clamping cavity (11) and a second clamping cavity (12) are respectively arranged at two ends of the handle (1); a first through hole (13) and a second through hole (14) which are communicated with the first clamping cavity (11) and the second clamping cavity (12) are respectively formed in the handle (1), and the orientation of the first through hole (13) is opposite to that of the second through hole (14); the handle (1) is further provided with a first pressing rod (41) and a second pressing rod (42), one end of each of the first pressing rod (41) and the second pressing rod (42) is provided with a pressing protrusion (43) which is matched with the first through hole (13) and the second through hole (14) in a form fit manner, and the other end of the first pressing rod (41) and the other end of the second pressing rod (42) are hinged to the handle (1) respectively.

7. The dental caries removing spoon as claimed in claim 6, wherein: first extension rod (23) be equipped with first joint chamber (11) form fit's first joint portion (231), be equipped with on first joint portion (231) with first through-hole (13) complex elastic bulge (5).

8. The dental caries removing spoon as claimed in claim 7, wherein: the first clamping portion (231) is provided with a containing groove (51) matched with the elastic bulge (5), a spring (52) is arranged in the containing groove (51), and two ends of the spring (52) are respectively contacted with the elastic bulge (5) and the bottom of the containing groove (51).

9. The dental caries removing spoon as claimed in claim 2, wherein: the joint of the first extension rod (23) and the first connecting rod (24) and the joint of the first connecting rod (24) and the first working rod (25) are in arc transition.

10. The dental caries removing spoon as claimed in claim 1, wherein: the connection relationship between the components of the second working part (3) is the same as the connection relationship between the components of the first working part (2).