CN213189940U

CN213189940U - Maxillary sinus membrane stripper

Info

Publication number: CN213189940U
Application number: CN202021046604.7U
Authority: CN
Inventors: 夏伟; 李峰
Original assignee: Shanghai Yingbo Dental Clinic Co ltd
Current assignee: Weihai Rongcheng Dadongfeng Operation Management Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-05-14
Anticipated expiration: 2030-06-09

Abstract

The utility model relates to the technical field of medical equipment is planted to dentistry, a maxillary sinus membrane stripper is disclosed. It includes: a sclerotin for separating maxillary sinus mucosa and maxillary sinus inside wall includes: the first rod body and the second rod body are formed by axially extending two ends of the holding part; the second rod body is connected with the second stripping part; further comprising: the first rod body is connected with the first peeling part through the third rod body; the center lines of the third rod body, the first rod body and the first stripping part are basically coplanar; the third rod extends towards the upper left of the first rod, and the first stripping part extends towards the upper right of the third rod. The present embodiment makes it easier to go deep into the maxillary sinus by improving its operable angle, thereby reducing the number of times that the doctor changes different types of maxillary sinus membrane dissectors in the operation, and greatly simplifying the operation process.

Description

Maxillary sinus membrane stripper

Technical Field

The utility model relates to a medical instrument technical field is planted to the dentistry, in particular to maxillary sinus membrane stripper.

Background

Dentition defects and loss are common oral problems in the elderly, and caries and periodontal diseases are the major causes of tooth loss in the elderly. With age, the number of missing teeth in the elderly increases. When the number of teeth loss is more than one fourth of the total teeth, the normal function of the oral cavity, especially the chewing function, is affected, and the digestion and absorption of food are further affected. Long-term loss of most teeth also affects the physical and mental health and quality of life of the elderly. The problem of tooth loss of the old people in China is prominent. At present, the repairing modes aiming at dentition defects and deletions mainly comprise fixed denture repairing, movable denture repairing and implant denture repairing. The implanted denture is more and more favored by patients because of the advantages of no damage to adjacent teeth, good retention and stability, high chewing efficiency, natural and beautiful appearance and the like.

The maxillary sinus membrane detacher is one special apparatus for separating maxillary sinus membrane from bone inside the maxillary sinus during the maxillary sinus opening operation. The inventor has found in practice that the existing maxillary sinus membrane dissector is difficult to penetrate into the maxillary sinus, and the maxillary sinus membrane dissector is frequently required to be replaced several times during the operation, which increases the operation complexity and unnecessarily prolongs the operation time.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present invention is to provide a maxillary sinus membrane dissector which can be easily inserted into the maxillary sinus by increasing the operable angle thereof, thereby reducing the number of times that the different types of maxillary sinus membrane dissectors are replaced by the doctor in the operation and greatly simplifying the operation process.

In order to solve the technical problem, an embodiment of the present invention provides a maxillary sinus membrane dissector for separating the maxillary sinus mucosa from the bone of the maxillary sinus inner side wall, including: the first rod body and the second rod body are formed by axially extending two ends of the holding part; the second rod body is connected with the second stripping part; further comprising: the first rod body is connected with the first peeling part through the third rod body;

the center lines of the third rod body, the first rod body and the first stripping part are coplanar or substantially coplanar;

the third rod extends towards the upper left of the first rod, and the first stripping part extends towards the upper right of the third rod.

The embodiment of the utility model provides a maxillary sinus membrane stripper is through addding the third body of rod between first body of rod and first stripping portion to improve the operating angle of first stripping portion, convenient to use person deepens into the maxillary sinus with first stripping portion more easily, and then need not to change other types's maxillary sinus membrane stripper in the art, simplifies the operation process greatly.

As an embodiment, the device also comprises a fourth rod body,

the second rod body is connected with the second stripping part through the fourth rod body;

the center lines of the holding part, the second rod body, the fourth rod body and the second stripping part are coplanar;

the fourth bar extends toward a lower right of the second bar, and the second stripped portion extends toward a lower left of the fourth bar.

As an example, the third rod body is linear.

As an example, the fourth rod is linear.

As an embodiment, an included angle between the third rod and the first rod is greater than or equal to 30 degrees and less than or equal to 60 degrees.

As an embodiment, an included angle between the fourth rod and the second rod is greater than or equal to 30 degrees and less than or equal to 60 degrees.

As an embodiment, the third rod, the first rod and the first peeling portion are an integrated structure.

In an embodiment, the second rod, the fourth rod and the second peeling part are an integrated structure.

As an embodiment, the first peeling portion is an arc-shaped sheet with an end bent toward the third rod, and an extending direction of the first peeling portion is perpendicular or substantially perpendicular to an extending direction of the third rod.

In one embodiment, the second peeling portion is an arc-shaped sheet with an end bent toward the fourth bar, and an included angle between the second peeling portion and the fourth bar is smaller than 90 degrees.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly introduced below, it should be understood that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural view of a maxillary sinus membrane dissector provided by an embodiment of the present invention.

In the figure: the handle comprises a holding part 1, a first rod body 21, a second rod body 22, a third rod body 41, a fourth rod body 42, a first stripping part 31 and a second stripping part 32.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail each embodiment of the present invention with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.

For convenience of description, the terms "upper left", "lower left", "upper right" and "lower right" are used in the same direction as the drawings, but do not limit the structure of the present invention. In addition, the terms "first," "second," and the like, as used herein, are intended to distinguish one element from another, and are not necessarily sequential or significant. Furthermore, in the following description, when referring to the figures, the same reference numbers in different figures denote the same or similar elements, unless otherwise explained. The foregoing definitions are provided to illustrate and describe the present disclosure only and should not be construed to limit the present disclosure.

The embodiment of the application provides a maxillary sinus membrane stripper, which can be used for separating the maxillary sinus mucosa from bone on the inner side wall of the maxillary sinus in a maxillary sinus outward-opening window operation. As shown in fig. 1, the maxillary sinus membrane dissector of the present embodiment comprises: the handle comprises a holding part 1, a linear first rod body 21 and a linear second rod body 22 which are formed by axially extending two ends of the holding part 1, a first stripping part 31 and a second stripping part 32; the second rod 22 is connected with the second stripping part 33; the maxillary sinus membrane dissector further comprises: a third rod 41, wherein the first rod 21 is connected with the first stripping part 31 through the third rod 41; the center lines of the third rod body 41, the first rod body 21 and the first stripping part 31 are coplanar or substantially coplanar; the third rod 41 extends toward the upper left of the first rod 21, and the first peeling portion 31 extends toward the upper right of the third rod 41. This embodiment is through addding the third body of rod 41 that has certain contained angle with the first body of rod between first body of rod 21 and first stripping portion 31 to improve the operating angle of first stripping portion, convenient to use person deepens first stripping portion into the maxillary sinus more easily, and then need not to change other types's maxillary sinus membrane stripper in the art, simplifies the operation process greatly.

Optionally, the maxillary sinus membrane dissector may further comprise a fourth rod 42, the second rod 22 is connected to the second dissecting portion 32 through the fourth rod 42, the center lines of the grip 1, the second rod 22, the fourth rod 42 and the second dissecting portion 32 are coplanar or substantially coplanar, the fourth rod 42 extends toward the lower right of the second rod 22, and the second dissecting portion 32 extends toward the lower left of the fourth rod 42. Thereby allowing the second dissecting portion 32 to have a greater operating angle for facilitating the second dissecting portion to be advanced deep into the maxillary sinus.

Alternatively, in the present embodiment, the third rod 41 may be linear, and the fourth rod 42 may also be linear. However, in some examples, the third rod 41 and the fourth rod 42 may have other suitable shapes such as an arc shape, as long as the operation angles of the first and second peeling portions can be increased.

Alternatively, the first stripped portion 31 may be an arc-shaped thin sheet with an end bent toward the third rod 41, and the extending direction of the first stripped portion 31 is perpendicular or substantially perpendicular to the extending direction of the third rod 41. The second peeling part 32 may be an arc-shaped sheet with an end bent toward the fourth bar 42, and an included angle between the second peeling part 32 and the fourth bar 42 is less than 90 degrees, that is, a bending degree of the second peeling part 32 relative to the fourth bar 42 is greater than a bending degree of the first peeling part 31 relative to the third bar 41, so that the first peeling part 31 and the second peeling part 32 have different peeling effects. Optionally, an included angle between the third rod 41 and the first rod 21 is greater than or equal to 30 degrees and less than or equal to 60 degrees. By way of example and not limitation, the angle between the third rod 41 and the first rod 21 may be 30 degrees, 45 degrees, 60 degrees, or the like. Optionally, an included angle between the fourth rod 42 and the second rod 22 may be greater than or equal to 30 degrees and less than or equal to 60 degrees. Preferably, the angle between the fourth rod 42 and the second rod 22 may be 30 degrees, 45 degrees, 60 degrees, or the like. By way of example and not limitation, in the present embodiment, the included angle between the third rod 41 and the first rod 21 may be about 45 degrees, and the first dissecting portion 31 may extend in a direction perpendicular to the third rod 41, so that the first dissecting portion 31 may have a larger operation angle, and may be easier to penetrate into the maxillary sinus during the operation. The included angle between the fourth rod 42 and the second rod 22 can be about 45 degrees, the included angle between the fourth rod 42 and the second rod 22 can be about 60 degrees, and the included angle between the second stripping part 32 and the fourth rod 42 can be about 60 degrees, so that the second stripping part 32 has a larger operation angle, and the maxillary sinus can be more easily deepened in the operation.

It is understood that the present embodiment is not particularly limited to the shape, structure, size, etc. of the first and second dissecting portions as long as it functions as a bone to effectively separate the mucosa of the maxillary sinus from the inner sidewall of the maxillary sinus.

In this embodiment, the first rod 21, the third rod 41 and the first peeling portion 31 may be integrally formed by a medical metal material, and the second rod 22, the fourth rod 42 and the second peeling portion 32 may also be integrally formed by a medical metal material. The first rod body 21 and the second rod body 22 can be round straight rods with variable diameters, that is, the diameters of the first rod body 21 and the second rod body 22 are gradually reduced from the part close to the holding part to the part far from the holding part. The first rod body 21 and the third rod body 41 can be in arc transition connection, so that the connection strength of the first rod body and the third rod body is improved. Similarly, the second rod 22 and the fourth rod 42 are connected by an arc transition, so as to improve the connection strength of the two.

It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.

Claims

1. A maxillary sinus membrane detacher for separating a maxillary sinus mucosa from a bone of a maxillary sinus inner side wall, comprising: the first rod body and the second rod body are formed by axially extending two ends of the holding part; the second rod body is connected with the second stripping part; it is characterized by also comprising: the first rod body is connected with the first peeling part through the third rod body;

2. The maxillary sinus membrane dissector of claim 1 further comprising a fourth shaft,

the center lines of the holding part, the second rod body, the fourth rod body and the second stripping part are coplanar or substantially coplanar;

3. The maxillary sinus membrane dissector of claim 1 wherein the third rod is linear.

4. The maxillary sinus membrane dissector of claim 2 wherein the fourth rod is linear.

5. The maxillary sinus membrane dissector of claim 2 wherein the angle between the third rod and the first rod is greater than or equal to 30 degrees and less than or equal to 60 degrees.

6. The maxillary sinus membrane dissector of claim 2 wherein the angle between the fourth rod and the second rod is greater than or equal to 30 degrees and less than or equal to 60 degrees.

7. The maxillary sinus membrane dissector of claim 1 wherein the third rod, the first rod and the first dissecting portion are of an integral structure.

8. The maxillary sinus membrane dissector of claim 2 wherein the second rod, the fourth rod and the second dissecting portion are of an integral structure.

9. The maxillary sinus membrane dissector of claim 1, wherein the first dissecting portion is an arc-shaped thin plate having an end bent toward the third rod, and the first dissecting portion extends in a direction perpendicular or substantially perpendicular to the third rod.

10. The maxillary sinus membrane dissector of claim 2 wherein the second dissector is an arc-shaped thin plate having an end bent toward the fourth bar, and wherein an angle between the second dissector and the fourth bar is less than 90 degrees.