CN220459376U - Curet - Google Patents

Abstract

The utility model discloses a curette, which comprises an external driving assembly and a movable scraping assembly, wherein the external driving assembly comprises an outer sleeve, a first leakage groove formed in the outer wall of the outer sleeve, a guide rod fixed on the inner wall of the outer sleeve and a threaded rod rotatably installed on the inner wall of the outer sleeve; the movable curettage component comprises a movable barrel placed in the inner cavity of the outer sleeve, a second leakage groove formed in the outer wall of the movable barrel, a guide hole formed in the outer wall of the movable barrel and matched with the guide rod, a threaded hole formed in the outer wall of the movable barrel and meshed with the threaded rod, a curettage key arranged in the second leakage groove, and an angle adjusting component, wherein the angle adjusting component can drive the curettage key to change an angle, a baffle is fixed at the bottom of the movable barrel, a jack is formed in the baffle, and the rack is inserted into the jack and can move relative to the jack, so that pain caused by the fact that a cervical is propped up due to protrusion of a key head is avoided.

Description

Curet

Technical Field

The utility model relates to the field of curettes, in particular to a curettes.

Background

The curet is used as a common tool in gynecology, is widely applied to gynecological diagnostic curettage and abortion operation, and is generally fixed in structure at present, and generally consists of a long key handle and a key head fixed at the top end of the key handle, wherein the key head protrudes out of the key handle. When in use, the spoon handle is inserted into and clamped at the cervical orifice, and the spoon head enters the uterine cavity for scraping the inner wall of the uterus.

However, the spoon handle is usually bigger and protrudes outside the spoon handle, and in the process of entering uterus, the spoon head and the spoon handle can enter the cervix together, so that a narrow cervical orifice is spread more to cause pain to women, and when a uterus is curetted, the spoon head needs to repeatedly enter and exit the uterus, and often the cervix is scraped by the spoon head.

Disclosure of Invention

The utility model aims to provide a curet which solves the problems in the background technology.

In order to achieve the above purpose, the utility model provides a curet comprising an external driving component and a movable scraping component.

The external driving assembly comprises an outer sleeve, a first leakage groove formed in the outer wall of the outer sleeve, a guide rod fixed on the inner wall of the outer sleeve and a threaded rod rotatably mounted on the inner wall of the outer sleeve;

the movable scraping assembly comprises a movable barrel placed in the inner cavity of the outer sleeve, a second leakage groove formed in the outer wall of the movable barrel, a guide hole formed in the outer wall of the movable barrel and matched with the guide rod, a threaded hole formed in the outer wall of the movable barrel and meshed with the threaded rod, and a curette arranged in the second leakage groove.

As a preferable scheme of the curet, the curet further comprises an angle adjusting component which can drive the curet to change the angle.

As a preferable scheme of the curet, the angle adjusting component comprises a rotating rod, an arc-shaped block, teeth and a rack, wherein the rotating rod is fixed on the curet and rotatably installed on the inner wall of the second leakage groove, the arc-shaped block is fixed on the rear wall of the curet, the teeth are uniformly fixed on the arc-shaped block, and the rack is meshed with the teeth.

As a preferable scheme of the curette, the rack is provided with a rectangular hole, and the guide rod and the threaded rod are positioned in the rectangular hole.

As a preferable scheme of the curet, a baffle is fixed at the bottom of the movable cylinder, a jack is formed in the baffle, and the rack is inserted into the jack and can move relative to the jack.

Compared with the prior art, the utility model has the following beneficial effects:

(1) Firstly, the threaded rod is rotated in vitro to drive the movable cylinder to move, so that the movable cylinder is retracted into the inner cavity of the outer sleeve with the curette, then the outer sleeve is inserted into the cervical, then the threaded rod is reversely rotated to drive the movable cylinder to move, and the curette is driven to move to the outside of the outer sleeve and is stuck to the inner wall of the uterus for curette taking, so that the curette head cannot touch the cervical in the process of entering and exiting the uterus, and pain caused by the stretching of the cervical due to the protrusion of the curette head is avoided.

(2) Through setting up angle adjusting part, reciprocate the rack, can drive the tooth rotation for the fixed curet of angle can change the direction according to the user demand.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of the whole structure of a curette according to the present utility model;

FIG. 2 is a cut-away view of a curette of the present utility model;

FIG. 3 is a schematic view of an external driving assembly of a curette according to the present utility model;

FIG. 4 is a schematic view of a movable scraping assembly of a curette according to the present utility model;

fig. 5 is a schematic structural view of an angle adjusting assembly of a curette according to the present utility model.

In the figure: 100. an external drive assembly; 110. an outer sleeve; 110a, a first drain groove; 120. a guide rod; 130. a threaded rod; 200. a mobile scraping assembly; 210. a moving cylinder; 210a, a second drain groove; 210b, guide holes; 210c, threaded holes; 210d, baffles; 210d-1, jack; 220. a curet; 300. an angle adjustment assembly; 310. a rotating lever; 320. an arc-shaped block; 330. teeth; 340. a rack; 340a, rectangular holes.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Fig. 1 to 4 are schematic structural views of a curette according to an embodiment of the present utility model, and referring to fig. 1 to 4, a curette according to the present utility model includes a main body portion including an external driving assembly 100 and a moving scraping assembly 200.

External driving assembly 100 includes outer sleeve 110, first leakage groove 110a formed on the outer wall of outer sleeve 110, guide rod 120 fixed on the inner wall of outer sleeve 110, and threaded rod 130 rotatably mounted on the inner wall of outer sleeve 110;

the mobile scraping assembly 200 comprises a mobile barrel 210 placed in the inner cavity of the outer sleeve 110, a second leakage groove 210a formed on the outer wall of the mobile barrel 210, a guide hole 210b formed on the outer wall of the mobile barrel 210 and matched with the guide rod 120, a threaded hole 210c formed on the outer wall of the mobile barrel 210 and meshed with the threaded rod 130, and a scraping key 220 arranged in the second leakage groove 210 a.

Specifically, first, the threaded rod 130 is rotated in vitro, the moving cylinder 210 is driven to move, so that the moving cylinder 210 retracts into the inner cavity of the outer sleeve 110 with the curette 220, then the outer sleeve 110 is inserted into the cervix, then the threaded rod 130 is rotated reversely, the moving cylinder 130 is driven to move, the curette 120 is driven to move to the outside of the outer sleeve 110, and the curette 120 is attached to the inner wall of the uterus.

Further, referring to fig. 5, when the curette 120 is used to scrape foreign objects, the contact angle between the curette 120 and the inner wall of the uterus is fixed, and the length of the curette 220 entering the uterus can only be extended or shortened to scrape foreign objects at different positions of the inner wall of the uterus, so that the angle of the curette 120 cannot be adjusted to scrape foreign objects at different positions. Based on this, the first and second light sources,

also included is an angle adjustment assembly 300 that can drive the curette 220 to change angle. The angle adjusting assembly 300 includes a rotating lever 310 fixed to the curet 220 and rotatably installed on the inner wall of the second drain 210a, an arc block 320 fixed to the rear wall of the curet 220, teeth 330 uniformly fixed to the arc block 320, and a rack 340 engaged with the teeth 330;

the rack 340 is provided with a rectangular hole 340a, and the guide rod 120 and the threaded rod 130 are positioned in the rectangular hole 340 a;

the bottom of the moving cylinder 210 is fixed with a baffle 210d, the baffle 210d is provided with a jack 210d-1, and the rack 340 is inserted into the jack 210d-1 and can move relative to the jack 210 d-1.

Specifically, when the angle of the curette 220 needs to be sleeved, the rack 340 is pulled up and down, so that the teeth 330 can be driven to rotate, thereby driving the arc-shaped block 320 to rotate, and further driving the curette 220 fixed with the arc-shaped block 320 to rotate synchronously, thereby changing the angle of the curette 220, and enabling the curette 220 with fixed angle to change direction according to the use requirement.

While the fundamental principles, principal features, and advantages of the present utility model have been shown and described, it will be apparent to those skilled in the art that the present utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (5)

1. A curette, comprising:

the external driving assembly (100) comprises an outer sleeve (110), a first leakage groove (110 a) formed in the outer wall of the outer sleeve (110), a guide rod (120) fixed on the inner wall of the outer sleeve (110) and a threaded rod (130) rotatably mounted on the inner wall of the outer sleeve (110);

the movable scraping assembly (200) comprises a movable barrel (210) placed in an inner cavity of the outer sleeve (110), a second leakage groove (210 a) formed in the outer wall of the movable barrel (210), a guide hole (210 b) formed in the outer wall of the movable barrel (210) and matched with the guide rod (120), a threaded hole (210 c) formed in the outer wall of the movable barrel (210) and meshed with the threaded rod (130), and a curette (220) arranged in the second leakage groove (210 a).

2. The curette as claimed in claim 1, further comprising an angle adjustment assembly (300) operable to drive the curette (220) to change angles.

3. A curette according to claim 2, wherein the angle adjustment assembly (300) comprises a rotating lever (310) fixed to the curette (220) and rotatably mounted to an inner wall of the second leakage groove (210 a), an arc-shaped block (320) fixed to a rear wall of the curette (220), teeth (330) uniformly fixed to the arc-shaped block (320), and a rack (340) engaged with the teeth (330).

4. A curet according to claim 3, wherein the rack (340) is provided with a rectangular hole (340 a), and the guide rod (120) and the threaded rod (130) are located in the rectangular hole (340 a).

5. A curet according to claim 3, wherein a baffle (210 d) is fixed to the bottom of the moving cylinder (210), a jack (210 d-1) is formed in the baffle (210 d), and the rack (340) is inserted into the jack (210 d-1) and is movable relative to the jack (210 d-1).