CN215994065U - Endometrium collector - Google Patents

Abstract

The utility model discloses an endometrium collector which comprises a sleeve and an inner core at least partially arranged in the sleeve in a sliding manner, wherein the front end part of the inner core is provided with a collecting ring which is suitable for being accommodated in the sleeve after the inner core slides in place, the inner core is provided with a sealing ring at the position of the rear side of the collecting ring, and the sealing ring is in sealing fit with the inner wall of the sleeve so that negative pressure is formed in the front end part of the sleeve when the inner core is pulled backwards on the sleeve. It improves the cell liquid volume collected and has good collection effect.

Description

Endometrium collector

Technical Field

The utility model relates to an endometrium collector, and belongs to the technical field of medical instruments.

Background

At present, the pressure of life and work of women is gradually increased, the health of women is particularly important, it is well known that the pathological examination of endometrium is the basic standard for diagnosis and treatment of related diseases of endometrium, the detection and early detection of endometrium cancer are particularly important, early detection and early treatment of endometrium cancer are particularly important, in order to lift up the physiological specimen of endometrium tissue, the traditional method is that the cervix is firstly expanded to facilitate the curettage of curettage spoon to enter and exit the uterine cavity to scrape the uterine cavity, and then the sampling of endometrium is carried out, but the method has trauma and complex operation, at present, although a uterine cavity sampler for extracting the endometrial tissue of a patient appears successively, the amount of cell fluid collected by the device is small, and the collection effect is poor.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide an endometrium collector which improves the amount of collected cell liquid and has good collection effect.

In order to solve the technical problems, the technical scheme of the utility model is as follows: an endometrial collector comprising:

a sleeve;

the collecting device comprises an inner core at least partially arranged in the sleeve in a sliding mode, a collecting ring suitable for being contained in the sleeve after the inner core slides in place is arranged at the front end of the inner core, a sealing ring is arranged on the portion, on the rear side of the collecting ring, of the inner core, and the sealing ring is in sealing fit with the inner wall of the sleeve so that negative pressure is formed in the front end of the sleeve when the inner core is pulled backwards on the sleeve.

Further, the collection ring comprises a ring rib, and at least one scraping blade is arranged on the ring rib.

Furthermore, in order to increase the collection amount of the cell sap and avoid the phenomenon that the uterus is scratched to bleed or discomfort caused by the process of collecting the cell sap, the scraping blade is of an arc-shaped structure connected to the ring rib.

Further, in order to increase the collection amount of cell sap, the scraping blade is connected with the annular rib to form a scraping groove.

Further, the front end of the collecting ring is provided with a guide head.

Further, in order to ensure that endometrium is not scratched when the instrument passes in and out of uterus, after the inner core slides in place on the sleeve, the outer wall of the guide head and the outer wall of the sleeve are in smooth transition.

Further, the guide head includes a hemisphere having a diameter equal to the outer diameter of the sleeve to provide a smooth transition between the outer wall of the guide head and the outer wall of the sleeve.

Further, the guide head also comprises a plug which is suitable for being matched into the inner cavity of the sleeve after the inner core slides in place on the sleeve.

Furthermore, in order to accord with the physiological structure of a human body, an instrument is utilized to pass in and out of the uterus, the front part of the sleeve and the middle part of the sleeve are bent to form an angle, after the inner core slides on the sleeve to a proper position, the part of the inner core corresponding to the front part of the sleeve and the part of the inner core corresponding to the middle part of the sleeve are also bent correspondingly to form an angle.

Further, the angle alpha is 150-170 deg.

Further, the rear end part of the inner core is also provided with a handle.

After the technical scheme is adopted, the utility model has the following beneficial effects:

1. according to the utility model, the sealing ring is additionally arranged on the inner core to be matched with the outer wall of the sleeve, and the front end part of the sleeve forms negative pressure, so that cell sap can be absorbed and collected by the negative pressure;

2. the scraping blade is designed into an arc-shaped structure, collected cell sap is stored in an arc, the cell sap is not easy to touch the wall of the uterus when the uterus is drawn out, so that the collection amount is reduced, a scraping groove is formed in the scraping blade, the cell sap collection amount is increased, and meanwhile, the phenomenon that the uterus is scratched to bleed or discomfort is caused in the process of collecting the cell sap is avoided;

3. the head end of the acquisition ring is provided with a guide head, the guide head adopts a hemispherical structure, the outer diameter of the guide head is equal to the outer diameter of the sleeve, and the endometrium is prevented from being scratched in the process that the endometrium acquisition device enters and exits the uterus;

4. the front end part of the sleeve, the acquisition ring at the corresponding position and the middle axis form an angle design, which accords with the physiological structure of human body and is beneficial to operation.

Drawings

FIG. 1 is a perspective view of an endometrial collector of the present invention;

FIG. 2 is a perspective view of the core of the present invention;

FIG. 3 is a perspective view of the acquisition ring of the present invention;

fig. 4 is a schematic structural diagram of the endometrium collector of the utility model.

Detailed Description

In order that the present invention may be more readily and clearly understood, a more particular description of the utility model briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

As shown in fig. 1 to 4, an endometrium collector comprises:

a sleeve 1;

the inner core 2 is at least partially arranged in the sleeve 1 in a sliding mode, the front end portion of the inner core 2 is provided with a collecting ring 21 suitable for being contained in the sleeve 1 after the inner core 2 slides in place, a sealing ring 3 is arranged on the portion, on the rear side of the collecting ring 21, of the inner core 2, and the sealing ring 3 is in sealing fit with the inner wall of the sleeve 1 so that negative pressure is formed in the front end portion of the sleeve 1 when the inner core 2 is pulled backwards on the sleeve 1.

In the embodiment, a sealing ring 3 is added on the inner core 2 to be matched with the outer wall of the sleeve 1, and the front end part of the sleeve 1 forms negative pressure, so that the cell sap can be absorbed and collected by the negative pressure.

Specifically, as shown in fig. 3, the collecting ring 21 includes a ring rib 21a, and at least one scraping blade 21b is disposed on the ring rib 21 a;

in the present embodiment, the blade 21b may be provided in plurality.

Specifically, as shown in fig. 3, the structure of the scraping blade 21b may be an arc-shaped structure connected to the ring rib 21a, and the scraping blade 21b is connected to the ring rib 21a to form the scraping groove 21 c.

The scraping blade 21b is designed into an arc-shaped structure, collected cell sap is stored in an arc, the cell sap is not easy to touch the uterine wall when the uterus is drawn out, the collection amount is reduced, the scraping groove 21c is arranged in the scraping blade, the cell sap collection amount is increased, and meanwhile, the phenomenon that bleeding is scratched or discomfort is caused in the uterus due to the process of collecting the cell sap is avoided.

As shown in fig. 3, the front end of the collecting ring 21 is provided with a guide head 21 d.

After the inner core 2 slides in place on the sleeve 1, the outer wall of the guide head 21d and the outer wall of the sleeve 1 are in smooth transition, so that the endometrium is not scratched in the process that the endometrium collector enters and exits the uterus.

As shown in fig. 3, describing a way of smoothly transitioning the guide head 21d and the outer wall of the cannula 1, the guide head 21d includes a hemisphere 21d1, and the diameter of the hemisphere 21d1 is equal to the outer diameter of the cannula 1 so that the outer wall of the guide head 21d and the outer wall of the cannula 1 smoothly transition.

As shown in fig. 3, the guiding head 21d is provided with a stopper 21d2 adapted to fit into the lumen of the cannula 1 after the core 2 is slid into place on the cannula 1.

As shown in fig. 1, 2 and 4, in order to conform to the physiological structure of the human body, when an instrument is used to pass in and out of the uterus, the front part 11 of the sleeve 1 and the middle part 12 of the sleeve 1 are bent to form an angle, and after the inner core 2 slides on the sleeve 1 to a certain position, the part of the inner core 2 corresponding to the front part 11 of the sleeve 1 and the part of the inner core 2 corresponding to the middle part 12 of the sleeve 1 are also bent to form an angle.

The angle alpha is preferably 150 DEG to 170 deg.

As shown in fig. 1 and 2, the rear end of the inner core 2 is also provided with a handle 4.

When the device is used, the collecting ring is put into the sleeve, and the device is inserted into the uterine cavity through the vagina and the cervix; pushing the inner core forward to expose the collecting ring; the inner core is rotated by the handle, the uterine cavity tissue is adopted by the collecting ring, the collecting ring is put into the sleeve, the inner core is pulled backwards to form negative pressure at the front end part of the sleeve to absorb cell sap, and the collector exits from the uterine cavity.

The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Claims (8)

1. An endometrium collector, comprising:

a sleeve (1);

the sleeve comprises an inner core (2) at least partially arranged in the sleeve (1) in a sliding mode, a collecting ring (21) suitable for being contained in the sleeve (1) after the inner core (2) slides in place is arranged at the front end of the inner core (2), a sealing ring (3) is arranged on the inner core (2) at the position of the rear side of the collecting ring (21), and the sealing ring (3) is in sealing fit with the inner wall of the sleeve (1) so that negative pressure is formed in the front end of the sleeve (1) when the inner core (2) is pulled backwards on the sleeve (1); wherein the content of the first and second substances,

gather the front end of ring (21) and be equipped with guide head (21d), inner core (2) are in after sliding to the position on sleeve pipe (1), the outer wall of guide head (21d) with the outer wall smooth transition of sleeve pipe (1), guide head (21d) include hemisphere (21d1), the diameter of hemisphere (21d1) equals the external diameter of sleeve pipe (1) is so that the outer wall of guide head (21d) with the outer wall smooth transition of sleeve pipe (1).

2. The endometrial collector of claim 1,

the collecting ring (21) comprises a ring rib (21a), and at least one scraping blade (21b) is arranged on the ring rib (21 a).

3. The endometrial collector of claim 2,

the scraping blade (21b) is of an arc-shaped structure connected to the ring rib (21 a).

4. The endometrial collector of claim 2,

the scraping blade (21b) is connected with the annular rib (21a) to form a scraping groove (21 c).

5. The endometrial collector of claim 1,

the guide head (21d) is provided with a plug (21d2) which is suitable for being matched into the inner cavity of the sleeve (1) after the inner core (2) slides to the position on the sleeve (1).

6. The endometrial collector of claim 1,

the utility model discloses a sleeve pipe, including sleeve pipe (1), inner core (2), the position of the anterior (11) of sleeve pipe (1) with the middle part (12) of sleeve pipe (1) are crooked to form an angle, inner core (2) are in slide the back that targets in place on sleeve pipe (1), correspond on inner core (2) the position of the anterior (11) of sleeve pipe (1) with correspond on inner core (2) the position of the middle part (12) of sleeve pipe (1) also corresponds crooked formation angle.

7. The endometrium collector of claim 6,

the angle alpha is 150-170 degrees.

8. The endometrial collector of claim 1,

the rear end part of the inner core (2) is also provided with a handle (4).

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