CN218338470U

CN218338470U - Endometrium cell collection system

Info

Publication number: CN218338470U
Application number: CN202220398307.1U
Authority: CN
Inventors: 赵栋; 胡贤洪
Original assignee: Nuohong Shanghai Pharmaceutical Technology Co ltd
Current assignee: Nuohong Shanghai Pharmaceutical Technology Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2023-01-20
Anticipated expiration: 2032-02-25

Abstract

The utility model provides an endometrium cell collecting device, which comprises a collecting piece at the far end, a first handle at the near end, an outer tube, an inner tube, a central rod and a second handle at the near end; the collecting piece comprises two arc-shaped pieces, the far ends of the two arc-shaped pieces are fixed with the near end of the hemispheroid, and the near ends of the two arc-shaped pieces are fixed with the far end of the inner tube; the far end of the first handle and the near end of the outer tube are axially limited and circumferentially and rotatably fixed; the inner surface of the near end of the first handle is connected with the outer surface of the near end of the inner tube in a threaded fit manner; the far end of the central rod is fixedly connected with the near end of the hemisphere; the far end of the second handle and the near end of the inner tube are axially limited and circumferentially and rotatably fixed; the proximal inner surface of the first handle is in threaded engagement with the proximal outer surface of the central rod. The utility model provides an endometrium cell collection system, collection piece can receive the outer tube, because the outer tube pipe diameter can design for 2 ~ 3mm, need not to expand the palace during consequently use, convenient operation can not bring uncomfortable sense to this patient.

Description

Endometrium cell collection system

Technical Field

The utility model relates to the field of medical equipment, especially, relate to an endometrium cell collection system.

Background

In gynecological clinical diagnosis, it is sometimes necessary to collect endometrial cells for pathological examination, and existing endometrial cell collection instruments include a negative pressure pipette instrument and a surgical spatula. The prior art has the following defects:

firstly, because the diameter of the scraper is larger, before examination, the cervical orifice is expanded, and then a device is used for sucking or scraping cells, so that the operation is troublesome; in addition, endometrial cells cannot be collected in multiple directions, and the accuracy of the final result is possibly influenced due to omission of diseased cells.

Aiming at the negative pressure suction tube type appliance, the collection position is concentrated, the endometrial cells can not be collected in multiple directions, the carrying capacity of the sample is weak, and the accuracy of the final result is possibly influenced due to omission of diseased cells.

Therefore, the endometrium cell collecting device is provided, the device does not need to expand the cervical orifice, the operation is simple, and the device is an important research direction.

SUMMERY OF THE UTILITY MODEL

The utility model provides an endometrium cell collection system to prior art's defect.

The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:

an endometrium cell collecting device comprises a collecting piece at the far end, a first handle at the near end, an outer tube, an inner tube, a central rod and a second handle at the near end;

the collecting piece comprises two arc-shaped pieces, the far ends of the two arc-shaped pieces are fixed with the near end of the hemisphere, and the near ends of the two arc-shaped pieces are fixed with the far end of the inner tube;

the far end of the first handle and the near end of the outer tube are axially limited and circumferentially and rotatably fixed; the inner surface of the proximal end of the first handle is connected with the outer surface of the proximal end of the inner tube in a threaded fit manner;

the far end of the central rod is fixedly connected with the near end of the hemisphere;

the far end of the second handle and the near end of the inner tube are axially limited and circumferentially and rotatably fixed; the proximal inner surface of the first handle is in threaded engagement with the proximal outer surface of the central rod.

Preferably, the wall of the proximal end of the outer tube is provided with a sliding groove, and the wall of the outer tube of the inner tube is provided with an insert which is inserted into the sliding groove.

Preferably, the groove edge of the sliding groove is provided with scales.

Preferably, one side of each of the two arc-shaped pieces far away from each other is provided with a plurality of spaced scraping pieces, each scraping piece is provided with a connecting end and a free end, and the scraping pieces are connected with the arc-shaped pieces through the connecting ends.

Preferably, said free end of said scraper is inclined distally with respect to the connecting end.

Preferably, the arcuate blade is integrally formed with the wiper member.

Preferably, a circumferential scale is arranged on the position, close to the second handle, of the proximal end of the inner tube.

Preferably, the outer surface of the outer tube is provided with a scale for displaying the insertion depth.

Preferably, the distal end of the central rod is circumferentially rotatably fixed with the proximal end of the hemisphere.

The utility model adopts the above technical scheme, compare with prior art, have following technological effect:

the utility model provides an endometrium cell collection system, collection piece can receive the outer tube, because the outer tube pipe diameter can design for 2 ~ 3mm, need not to expand the palace during consequently use, convenient operation can not bring uncomfortable sense to this patient. When endometrium cell is gathered to needs, through rotatory first handle, the inner tube is for outer tube axial sliding, gathers a piece and stretches out from outer tube distal end mouth, because the shape memory nature of gathering a piece itself, forms the fusiformis, through rotatory whole device, to endometrium cell's collection.

Through the design of the hemisphere at the far end, the pressure of the device on the uterine wall after entering the uterine cavity is relieved, and the damage to the body of a patient is avoided.

Through the cooperation design of central pole near-end and second handle, the fusiform that will gather the piece and form carries out reasonable fixed, avoids it because the elasticity of self when carrying out the collection of endometrium cell, can't carry out ideal contact with the endometrium.

Drawings

Fig. 1 is a schematic structural view of the endometrial cell collection device of the present invention;

FIG. 2 is a schematic view of the distal end;

FIG. 3 is a schematic view of the proximal end;

FIG. 4 is a cross-sectional view of the proximal end;

reference numerals denote the description:

the collecting part 1, the arc-shaped piece 11, the hemispheroid 12, the scraper 13, the first handle 2, the outer tube 3, the sliding groove 31, the inner tube 4, the inserting part 41, the central rod 5 and the second handle 6.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-4, the present embodiment provides an endometrial cell collection device, which comprises a distal collection member 1, a proximal first handle 2, an outer tube 3, an inner tube 4, a central rod 5, and a proximal second handle 6.

Specifically, the collecting member 1 comprises two arc-shaped pieces 11, the distal ends of the two arc-shaped pieces 11 are fixed with the proximal end of the hemisphere 12, and the proximal ends of the two arc-shaped pieces 11 are fixed with the distal end of the inner tube 4. The arc-shaped sheet 11 is a strip-shaped structure, the length is about 40-50 mm, the length of the cross section is 1-2 mm, and the width is 0.3-0.5 mm. In a natural state, the two arc-shaped pieces 11 enclose a shuttle shape, and the width of the widest part of the shuttle shape is 8-10 mm. By the axial movement of the inner tube 4, the arc piece 11 is received in the outer tube 3 or protrudes from the outer tube 3.

Specifically, the distal end of the first handle 2 and the proximal end of the outer tube 3 are axially limited and circumferentially and rotatably fixed; the proximal inner surface of the first handle 2 is threadedly engaged with the proximal outer surface of the inner tube 4. During initial condition arc piece 11 was accomodate outer tube 3, the 4 near-ends of inner tube were located nearest, when needs gathered endometrial cells, through rotatory first handle 2, inner tube 4 was for outer tube 3 to distal end axial slip, gathered 1 and is stretched out from 3 distal end mouths of outer tube, because the shape memory nature of gathering 1 itself forms the fusiformis, through rotatory whole device, to the collection of endometrial cells.

Specifically, the distal end of the central rod 5 is fixedly connected to the proximal end of the hemisphere 12. In a preferred embodiment, the distal end of the central rod 5 is circumferentially and rotatably fixed to the proximal end of the hemisphere 12, so that the central rod 5 is prevented from rotating and deforming with the shuttle while the width of the shuttle is controlled by the central rod 5.

Specifically, the distal end of the second handle 6 and the proximal end of the inner tube 3 are axially limited and circumferentially and rotatably fixed; the proximal inner surface of the first handle 2 is in threaded engagement with the proximal outer surface of the central rod 5. Through the screw-thread fit design of the proximal end of the central rod 5 and the second handle 6, the fusiform shape formed by the collecting piece 1 is reasonably fixed, and the collecting piece 1 is prevented from being incapable of ideally contacting with endometrium due to the elasticity of the collecting piece 1 when endometrium cells are collected.

In a preferred embodiment, the proximal wall of the outer tube 3 is provided with a slide slot 31, and the outer wall of the inner tube 4 is provided with an insert 41, the insert 41 being inserted into the slide slot 31 and sliding along the slide slot 31. When endometrial cells need to be collected, the inner tube 4 axially slides towards the far end relative to the outer tube 3 by rotating the first handle 2, and the circumferential limiting of the inner tube 4 is realized by arranging the sliding groove 31 and the insertion piece 41. And the distance that the harvesting member 1 protrudes relative to the outer tube 3 can be judged by observing the movement distance of the insertion member 41. Further preferably, the groove edge of the sliding groove 31 is provided with a scale.

Specifically, a plurality of spaced scrapers 13 are arranged on the side of the two arc-shaped pieces 11 away from each other, each scraper 13 has a connecting end and a free end, and the scrapers 13 are connected with the arc-shaped pieces 11 through the connecting ends.

In a preferred embodiment, the free end of the scraper 13 is inclined distally with respect to the connecting end. A small included angle is formed between the scraping part 13 and the arc-shaped piece 11, so that the cells collected by the collecting part 1 can be collected, and the cells with enough quantity can be collected.

In a preferred embodiment, the arcuate blade 11 is formed integrally with the scraper 13.

In a preferred embodiment, the proximal end of the inner tube 4 near the second handle 6 is provided with a circumferential scale. The circumferential scale displays the width of the widest position of the shuttle when rotated to that angle.

In a preferred embodiment, the outer surface of the outer tube 3 is provided with a scale indicating the depth of insertion.

The utility model provides a specific application method of endometrium cell collection system:

initial preparation state: the arc-shaped piece 11 is received in the outer tube 3, and the near end of the inner tube 4 is positioned at the nearest position; under the state of no need of expanding uterus, the distal end of the device is extended into the uterus of a patient, and the proper insertion depth is determined according to the scale of the insertion depth displayed on the outer surface of the outer tube 3;

collecting endometrial cells: by rotating the first handle 2, the inner tube 4 axially slides towards the far end relative to the outer tube 3, the collection piece 1 extends out from the far end opening of the outer tube 3, due to the shape memory property of the collection piece 1, a fusiform shape is formed, by rotating the second handle 2, the central rod 5 axially slides towards the near end relative to the inner tube 4, the width of the widest part of the fusiform shape is controlled, a proper fusiform shape is formed, the whole device is rotated, the collection of endometrial cells is carried out, after the collection is finished, by reversely rotating the second handle 2, the central rod 5 axially slides towards the far end relative to the inner tube 4 to the initial position, by rotating the first handle 2, the inner tube 4 axially slides towards the near end relative to the outer tube 3 to the initial position, the collection piece 1 enters the far end opening of the outer tube 3, the whole device is taken out, and the cell collection is finished.

The above detailed description of the embodiments of the present invention is only for exemplary purposes, and the present invention is not limited to the above described embodiments. Any equivalent modifications and substitutions for the present invention are within the scope of the present invention for those skilled in the art. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.

Claims

1. An endometrium cell collecting device is characterized by comprising a collecting part (1) at the far end, a first handle (2) at the near end, an outer tube (3), an inner tube (4), a central rod (5) and a second handle (6) at the near end;

the collecting piece (1) comprises two arc-shaped pieces (11), the far ends of the two arc-shaped pieces (11) are fixed with the near end of the hemispheroid (12), and the near ends of the two arc-shaped pieces (11) are fixed with the far end of the inner tube (4);

the far end of the first handle (2) and the near end of the outer tube (3) are axially limited and circumferentially and rotatably fixed; the inner surface of the near end of the first handle (2) is connected with the outer surface of the near end of the inner tube (4) in a threaded fit manner; the far end of the central rod (5) is fixedly connected with the near end of the hemispheroid (12);

the far end of the second handle (6) and the near end of the inner tube (4) are axially limited and circumferentially and rotatably fixed; the inner surface of the near end of the first handle (2) is connected with the outer surface of the near end of the central rod (5) through thread matching.

2. The endometrial cell collection device of claim 1, wherein the proximal wall of the outer tube (3) is provided with a slot (31), the outer wall of the inner tube (4) is provided with an insert (41), and the insert (41) is inserted into the slot (31).

3. The endometrial cell collection device of claim 2, wherein the groove edge of the sliding groove (31) is provided with a scale.

4. An endometrial cell collection device according to claim 1, characterized in that the side of the two curved sections (11) facing away from each other is provided with a plurality of spaced scrapers (13), each scraper (13) having a connecting end and a free end, the scrapers (13) being connected to the curved sections (11) via the connecting ends.

5. Endometrial cell collection device according to claim 4, characterized in that the free end of the scraper (13) is distally inclined with respect to the attached end.

6. Endometrial cell collection device according to claim 4, characterized in that the arc-shaped blade (11) is formed integrally with the scraper (13).

7. The endometrial cell collection device of claim 1, wherein the proximal end of the inner tube (4) is circumferentially graduated near the second handle (6).

8. The endometrial cell collection device of claim 1, wherein the outer surface of the outer tube (3) is provided with a scale indicating the depth of insertion.

9. An endometrial cell collection device as claimed in claim 1, wherein the distal end of the center rod (5) is circumferentially rotatably fixed to the proximal end of the hemisphere (12).