CN110448340B

CN110448340B - Endometrium collection system

Info

Publication number: CN110448340B
Application number: CN201910677027.7A
Authority: CN
Inventors: 谢敏; 孙卓; 郑春海
Original assignee: Yankuang New Mileage General Hospital
Current assignee: Yankuang New Mileage General Hospital
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2022-02-08
Anticipated expiration: 2039-07-25
Also published as: CN110448340A

Abstract

The application provides an endometrium collection system, wherein, include: outer tube, tube head, center tube and collection subassembly, the tube head is connected the one end of outer tube, the center tube activity sets up in the outer tube, it sets up to gather the subassembly activity in the tube head, it is in including sliding, setting sliding the negative pressure hemisphere cover, the drive of a front end sliding the piece and following the gliding motor of inner wall of tube head, pin joint are in slide one on the piece to linkage, drive the drive block that endometrial tissue was gathered to the collection cutting part of linkage front end, wherein, the drive block is connected the front end of center tube. The application provides an endometrium collection system has solved the current endometrium collection system sampling effect poor, the not high technical problem of practicality.

Description

Endometrium collection system

Technical Field

The invention relates to a medical instrument, in particular to an endometrium collecting device.

Background

In the modern society, the pressure of women in daily life and work is gradually increased, so that the health care of women is important, as is well known, the pathological examination of endometrium is the basic standard for diagnosis and treatment of related diseases of endometrium, and the early detection and early treatment of endometrial cancer are particularly important for sampling and detecting the endometrium. In order to extract a physiological specimen of endometrial tissue, the conventional method is to firstly expand the cervix so as to facilitate a curette to enter and exit the uterine cavity to scratch the uterine cavity and sample the endometrium, but the method is a non-repeatable traumatic diagnosis method, has complicated operation process and high cost and brings great pain to a patient. At present, although a uterine cavity sampler for extracting endometrial tissue of a patient appears in succession, effective sampling is difficult to carry out by common equipment, so that the finally collected cell sample is small in quantity and poor in collection effect.

Disclosure of Invention

The invention aims to provide an endometrium collecting device, which solves the technical problems of poor sampling effect and low practicability of the existing endometrium collecting device.

In order to solve the technical problems, the invention provides the following technical scheme:

an endometrial collection device, comprising: outer tube, tube head, center tube and collection subassembly, the tube head is connected the one end of outer tube, the center tube activity sets up in the outer tube, it sets up to gather the subassembly activity in the tube head, it is in including sliding, setting sliding the negative pressure hemisphere cover, the drive of a front end sliding the piece and following the gliding motor of inner wall of tube head, pin joint are in slide one on the piece to linkage, drive the drive block that endometrial tissue was gathered to the collection cutting part of linkage front end, wherein, the drive block is connected the front end of center tube.

Furthermore, a negative pressure generating part is further arranged in the sliding part, the negative pressure hemispherical cover is of a double-layer structure, and a vent pipe is connected between the negative pressure generating part and the outer layer of the negative pressure hemispherical cover in a penetrating manner.

Furthermore, the rear end of the sliding part is connected with a connecting sleeve, a threaded sleeve is fixedly installed in the connecting sleeve, the front end of the motor is connected with a screw rod, the threaded sleeve is sleeved on the screw rod, and the threaded sleeve is in threaded fit with the screw rod.

Furthermore, the linkage piece still includes connecting rod portion and connects the activity head at connecting rod portion front end, the collection cutting part is connected on the activity head, connecting rod portion with the junction pivot of activity head is in slide on the flat board portion of piece both sides, the inboard of connecting rod portion rear end all is provided with the pedestal, be provided with the ball in the pedestal.

Furthermore, the driving block comprises a cone cylinder part and a blocking ring part connected to the front end of the cone cylinder part, and the ball inside the seat body is blocked on the inclined surface on the periphery of the cone cylinder part.

Furthermore, the front end of the cone cylinder part is small, the rear end of the cone cylinder part is large, and a limit ring groove is formed between the front end of the cone cylinder part and the ring blocking part.

Furthermore, a pair of limiting grooves is formed in the inner wall of the tube head, guide blocks are arranged on two sides of the sliding piece, and the guide blocks slide in the limiting grooves.

Furthermore, a probe is arranged at the front end of the negative pressure semispherical cover.

Furthermore, the collecting blade part comprises a plurality of tooth dividing parts connected to the movable head part, and grooves are formed in the tooth dividing parts.

Furthermore, the driving block is fixedly connected to the front end of the central tube, and the rear end of the central tube is connected with a pushing handle.

According to the technical scheme, the invention has the following beneficial effects:

according to the negative-pressure hemispherical cover, endometrium is firstly adsorbed into the negative-pressure hemispherical cover, so that the acquisition blade part can conveniently acquire endometrium tissue, the acquisition blade part is prevented from being incapable of well contacting the endometrium tissue, and the acquisition effect is prevented from being influenced, so that the practicability is high, and the acquisition effect is good;

the invention is described in further detail below with reference to the figures and the detailed description.

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 description of the embodiments or the prior art will be briefly described below, it is obvious 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 diagram of the present invention.

Fig. 2 is a partial structural schematic diagram of the present invention.

Fig. 3 is a schematic structural view of the acquisition assembly of the present invention.

Fig. 4 is a schematic structural diagram of a driving block of the present invention.

Fig. 5 is a partial structural view of fig. 3 of the present invention.

Fig. 6 is a schematic structural view of the collecting blade according to the present invention.

Description of reference numerals: an outer tube-1, a tube head-2, a limit groove-21, a central tube-3, a push handle-31, a collection assembly-4, a motor-41, a sliding part-42, a connecting sleeve-421, a flat plate part-422, a guide block-423, a thread sleeve-424, an inner tube part-425, a linkage part-43, a connecting rod part-431, a movable head part-432, a collection blade part-433, a tooth division part-4331, a groove-4332, a seat body-434, a ball-435, a pin shaft-436, an open cavity-437, a movable cavity-438, a screw rod-46, a driving block-47, a cone cylinder part-471, an inclined plane-4711, a baffle ring part-472, a limit ring groove-473, a negative pressure hemispherical cover-45, a negative pressure generating part-6, a vent pipe-7, a negative pressure semi-spherical cover-45, a negative pressure generating part-7, a negative pressure semi-4, a collection assembly, a motor-41, a sliding part-42, a sliding part-434, a groove-434, a seat, a probe-8.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

Referring now to fig. 1-6, the present application will be further described, wherein fig. 1 shows an endometrial harvesting device comprising: outer tube 1, tube head 2, center tube 3 and collection subassembly 4, tube head 2 is connected the one end of outer tube 1, the activity of center tube 3 sets up in the outer tube 1, the activity of collection subassembly 4 sets up in tube head 2, as shown in fig. 2, collection subassembly 4 includes slides 42, sets up slide 42 front end negative pressure hemisphere cover 45, drive slide 42 along the gliding motor 41 of inner wall of tube head 2, the pin joint is in slide a pair of linkage 43 on 42, drive the drive block 47 that the collection cutting part 433 of linkage 43 front end gathered the endometrial tissue, wherein, drive block 47 is connected the front end of center tube 3, motor 41 is fixed on the support on the inner wall of tube head 2, the intrauterine membrane collection device that the invention provides, and the practicality is high, and collection effect is good.

As shown in fig. 2 and 3, a negative pressure generating member 6 is further disposed in the sliding member 42, the negative pressure hemispherical cover 45 has a double-layer structure, the double-layer structure is hermetically connected, and a vent pipe 7 is connected between the negative pressure generating member 6 and the outer layer of the negative pressure hemispherical cover 45.

The inlayer of negative pressure hemisphere cover 45 adopts the silica gel material, has certain buffering nature, effect that can effectual protection uterine cavity, negative pressure hemisphere cover 45's skin is for supporting the structure of inlayer, negative pressure generation piece 6 generate and pass through breather pipe 7 makes form the negative pressure between negative pressure hemisphere cover 45's inlayer and the skin, make negative pressure hemisphere cover 45's inlayer is to being close to press hemisphere cover 45's outer removal to adsorb the endometrium in negative pressure hemisphere cover 45, so that gather cutting part 433 and gather the endometrium tissue, the practicality is high, gathers effectually, avoids gather the endometrium tissue of contact that cutting part 433 can not be fine, influence the collection effect.

Sliding member 42's rear end is connected with adapter sleeve 421 sliding member's in 421 fixed mounting have thread bush 424 motor 41's front end is connected with screw rod 46, thread bush 424 cover is established on screw rod 46, just thread bush 424 with screw rod 46 screw-thread fit, motor 41 drive screw rod 46 rotates, through screw rod 46 with thread fit of thread bush 424 makes thread bush 424 follows screw rod 46 advances straight line, thereby passes through adapter sleeve 421 makes sliding member 42 is in advance or retreat in the tube head 2.

As shown in fig. 5, the link 43 further includes a link portion 431 and a movable head portion 432 connected to the front end of the link portion 431, the blade collecting portion 433 is connected to the movable head portion 432, the connection portion between the link portion 431 and the movable head portion 432 is pivotally connected to the flat plate portions 422 on both sides of the sliding member 42 through a pin 436, the inner sides of the rear ends of the link portions 431 are respectively provided with a seat body 434, and the seat body 434 is internally provided with a ball 435.

As shown in fig. 4, the driving block 47 includes a tapered cylinder portion 471 and a ring-blocking portion 472 connected to a front end of the tapered cylinder portion 471, and the balls 435 in the seat body 434 abut against an inclined surface 4711 on an outer periphery of the tapered cylinder portion 471, so as to facilitate the forward movement of the driving block 47 to drive the pair of linkage members 43 to move in an opening and closing manner.

The front end of the tapered cylinder part 471 is small, and the rear end is large, and a limit ring groove 473 is formed between the front end of the tapered cylinder part 471 and the retainer ring part 472, so that the ball 435 is limited, and the driving block 47 is prevented from slipping.

As shown in fig. 2 and 5, in order to limit the sliding distance of the pipe head 2, a pair of limiting grooves 21 are formed in the inner wall of the pipe head 2, guide blocks 423 are disposed on both sides of the sliding member 42, and the guide blocks 423 slide in the limiting grooves 21, so that the front end of the sliding member 42 is not separated from the pipe head 2.

Specifically, the guide block 423 is connected to the flat plate portion 422.

The slide 42 has an inner cylindrical member 425 therein, and the negative pressure generating member 6 is disposed in the inner cylindrical member 425 of the slide 42.

A movable chamber 438 is formed between the pair of blade portions 433, an open chamber 437 is formed between the pair of link portions 431, and the collar portion 472 is located in the open chamber 437.

The front end of negative pressure hemisphere cover 45 is provided with probe 8, probe 8 is the device of visiting into of endometrium tissue, and the flexibility is good, the practicality is high.

As shown in fig. 5 and 6, the collecting blade portion 433 includes a plurality of tooth dividing portions 4331 connected to the movable head portion 432, the tooth dividing portions 4331 are respectively provided with a groove 4332, the front end of the groove 4332 is provided with a barb, the barb helps to better collect the tissue in the uterine cavity, and the collected tissue cells enter the groove 4332, so the present invention can quickly obtain endometrial tissue, reduce pain of a collector, and is more flexible to use.

As shown in fig. 1 and 2, the driving block 47 is fixedly connected to the front end of the central tube 3, the rear end of the central tube 3 is connected to the pushing handle 31, and the central tube 3 is made of stainless steel.

Preferably, the pushing handle 31 is provided to facilitate the user to push the central tube 3 forward or pull the central tube 3 backward.

Outer tube 1 adopts the transparent form hose of plastic structure be provided with the scale mark on the outer tube 1, the user promotes during the center tube 3, the scale mark can indicate out the promotion distance of center tube 3, and the practicality is high, the operation of being convenient for.

When the uterine cavity sampling operation is carried out, under the strict disinfection condition, after the tube head 2 and the outer tube of the endometrial collection device provided by the invention enter the uterine cavity together, the motor 41 is controlled to act, the sliding piece 42 integrally slides out of the tube head 2, the probe 8 detects that the negative pressure semispherical cover 45 is attached to the uterine cavity, the negative pressure generating piece 6 works, the negative pressure semispherical cover 45 generates negative pressure, endometrium is absorbed into the negative pressure semispherical cover 45, then, a user manually pushes the central tube 3 forwards, due to the matched sliding between the inclined surface 4711 of the conical tube part 471 and the seat body 434, the pair of collecting blade parts 433 are close to each other, so that the endometrial tissue of the local area absorbed by the negative pressure semispherical cover 45 is collected, the collection effect is good, the efficiency is high, compared with the traditional uterine cavity sampling, the endometrial collection device enables the endometrium to be absorbed into the negative pressure semispherical cover 45, redrive gather cutting part 433 action and obtain the endometrium tissue, very big improvement gather the collection effect of cutting part 433, avoid gather the endometrium tissue that contact endometrium that cutting part 433 can not be fine and can not effectual collection, maneuverability is strong, has shortened the operating time greatly, improves collection efficiency, reduces the misery of gathering the object.

After finishing collecting, the 6 stop work of negative pressure generator, the backward pulling center tube 3, control the motor 41 reversal, slide 42 with 45 global slides of negative pressure hemisphere covers in the tube head 2, take out endometrium collection device can.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An endometrial collection device, comprising: outer tube (1), tube head (2), center tube (3) and collection subassembly (4), tube head (2) are connected the one end of outer tube (1), center tube (3) activity sets up in outer tube (1), collection subassembly (4) activity sets up in tube head (2), collection subassembly (4) are in including sliding member (42), setting slide member (42) front end negative pressure hemisphere cover (45), drive slide member (42) edge the gliding motor (41) of inner wall of tube head (2), the pin joint is in slide member (42) on a pair of linkage (43), drive the drive block (47) that endometrial tissue was gathered in collection cutting part (433) of linkage (43) front end, wherein, drive block (47) are connected the front end of center tube (3), still be provided with negative pressure generation spare (6) in sliding member (42), negative pressure hemisphere cover (45) is bilayer structure, negative pressure generate piece (6) with through connection has breather pipe (7) between the skin of negative pressure hemisphere cover (45), the rear end of sliding member (42) is connected with adapter sleeve (421), fixed mounting has thread bush (424) in adapter sleeve (421), the front end of motor (41) is connected with screw rod (46), thread bush (424) cover is established on screw rod (46), just thread bush (424) with screw rod (46) screw-thread fit, linkage member (43) still include connecting rod portion (431) and connect movable head portion (432) at connecting rod portion (431) front end, it connects to gather cutting part (433) on movable head portion (432), connecting rod portion (431) with the junction pivot of movable head portion (432) is in on flat plate portion (422) of sliding member (42) both sides, the inner sides of the rear ends of the connecting rod parts (431) are respectively provided with a base body (434), and balls (435) are arranged in the base bodies (434).

2. The endometrium collection device according to claim 1, wherein the driving block (47) comprises a cone-shaped cylinder part (471) and a blocking ring part (472) connected to the front end of the cone-shaped cylinder part (471), and the ball (435) in the seat body (434) is blocked on the inclined surface (4711) of the periphery of the cone-shaped cylinder part (471).

3. The endometrium collection device according to claim 2, wherein the front end of the cone part (471) is smaller and the rear end is larger, and a limit ring groove (473) is formed between the front end of the cone part (471) and the stop ring part (472).

4. The endometrium collection device according to claim 3, wherein a pair of limiting grooves (21) are formed in the inner wall of the tube head (2), guide blocks (423) are arranged on two sides of the sliding piece (42), and the guide blocks (423) slide in the limiting grooves (21).

5. The endometrial collection device according to claim 1, wherein the front end of the negative pressure hemispherical cap (45) is provided with a probe (8).

6. The endometrial collection device of claim 1, wherein the collection blade (433) comprises a plurality of partial teeth (4331) attached to the movable head (432), each partial tooth (4331) having a groove (4332) disposed thereon.

7. The endometrium collection device according to claim 1, characterized in that the driving block (47) is fixedly connected to the front end of the central tube (3), and the rear end of the central tube (3) is connected with a pushing handle (31).