CN217827935U

CN217827935U - Negative pressure type endometrium sampler

Info

Publication number: CN217827935U
Application number: CN202221422675.1U
Authority: CN
Inventors: 王云露
Original assignee: Lanzhou University Second Hospital
Current assignee: Lanzhou University Second Hospital
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-11-18
Anticipated expiration: 2032-06-09

Abstract

The utility model discloses a negative pressure formula endometrium sample thief, concretely relates to medical instrument technical field, the utility model discloses a sampling tube, the both ends of sampling tube are sealed, wear to be equipped with the loop bar in the sampling tube, the left end fixedly connected with of loop bar is located the inside piston of sampling tube, piston and sampling tube inner wall sliding seal, the left end of sampling tube is opened there is the collection mouth, the right-hand member lateral wall intercommunication of sampling tube has the pipeline, pipeline outer wall threaded connection has solid fixed ring, be equipped with the spacing ring on the bottom lateral wall of pipeline, the cladding has the filter bag on the lateral wall of pipeline, the outside cover of filter bag is equipped with tissue liquid and collects the bag, it has the air vent to open on the tissue liquid collection bag, tissue liquid collection bag opens there is the liquid outlet, be equipped with sealed end cap on the liquid outlet, the utility model provides a problem that causes the inner membrance damage easily when current sample thief samples the patient.

Description

Negative pressure type endometrium sampler

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a negative pressure formula endometrium sample thief.

Background

Some patients with endometrial cancer, suspected endometrial cancer and the like need to extract endometrial samples of the patients for pathological examination before definite diagnosis, but at present, obstetricians and gynecologists mostly adopt a uterine curettage mode to sample during the pathological examination of the endometrium, mostly adopt a metal endometrial curettage spoon during uterine curettage, a curettage head is in a spoon shape or a spoon shape, and during operation, the endometrial curettage spoon is inserted into the cervix to the bottom of the uterus along the direction of the cervix, clings to the uterine wall, scrapes a plurality of tablets from top to bottom, and obtains endometrial specimens.

The existing method for sampling endometrium by adopting an endometrium curette has the following problems: when the curette is used, the medical operator needs to exert a large force, the curette exerts a large pressure on the uterine wall, the damage to the uterine wall is large, the pain of a patient is large, and more seriously, if the medical operator operates improperly, the uterine of the patient is easy to perforate, the hemorrhage is caused, and the life risk is caused; the use of a curette has poor sampling effect and cannot carry out continuous sampling of multiple parts; when a small amount of liquid is stored in the uterus, if the liquid is not cleared firstly, the quality of a sampled sample is reduced; in the traditional method, endometrial tissue fluid is firstly removed, and then a sample is extracted, so that the repeated entry into the uterus can bring pain to a sampler, and in severe cases, external bacteria can enter the uterus to cause infection, so that a negative pressure type endometrial sampler needs to be designed to overcome the technical defects.

SUMMERY OF THE UTILITY MODEL

The utility model provides a negative pressure type endometrium sampler to solve the problem that the endometrium of patient is easily damaged by the current sampler when sampling.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a negative pressure formula endometrium sample thief, includes the sampling tube, its characterized in that: the both ends of sampling pipe are sealed, wear to be equipped with the loop bar in the sampling pipe, the left end fixedly connected with of loop bar is located the inside piston of sampling pipe, piston and sampling pipe inner wall sliding seal, the left end of sampling pipe is opened there is the collection mouth, the right-hand member lateral wall intercommunication of sampling pipe has the pipeline, pipeline outer wall threaded connection has solid fixed ring, be equipped with the spacing ring on the bottom lateral wall of pipeline, the cladding has the filter bag on the lateral wall of pipeline, it has the tissue liquid to collect the bag to cross outside cover of filter bag, it has the air vent to open on the tissue liquid collection bag, tissue liquid is collected the bag and is opened there is the liquid outlet, be equipped with sealed end cap on the liquid outlet.

Principle and effect of the technology: when needs are taken a sample to patient's uterus, only need send into the uterus with the sampling pipe inside, then outside pulling movable rod, the movable rod drives the piston and forms the negative pressure in the sampling pipe is inside, just at this moment can collect required sample through the collection mouth on the sampling pipe, then the sample of collecting falls into the filter bag, and in the filter bag was stayed to the sample, and liquid then flowed into in the tissue fluid collection bag.

Furthermore, the right end of the sampling pipe is provided with a pull ring positioned outside the sampling pipe.

By adopting the scheme, the movable rod can be pulled more conveniently by medical personnel.

Further, the bottom of the fixing ring and the top of the limiting ring are both connected with rubber layers.

By adopting the scheme, the filter bag and the tissue fluid collecting bag can be prevented from falling off from the pipeline.

Further, the sampling tube is made of transparent plastic.

By adopting the scheme, medical personnel can observe the condition inside the sampling tube conveniently.

Furthermore, a holding ring is arranged on the side wall of the right end of the sampling pipe.

By adopting the technical scheme, the medical personnel can more conveniently operate when sampling.

Compared with the prior art, the beneficial effects of the utility model are that: when in use, the intrauterine liquid does not need to be discharged firstly, but the sample and the intrauterine liquid can be discharged together, thereby reducing the times of the sampling tube entering the uterus and relieving the pain of a patient caused by multiple sampling.

Drawings

Fig. 1 is a schematic structural view of the negative pressure type endometrium sampler of the utility model;

in the figure: the sampling device comprises a sampling tube 1, a movable rod 2, a pull ring 3, a piston 4, a collecting port 5, a pipeline 6, a fixing ring 7, a limiting ring 8, a filter bag 9, a tissue fluid collecting bag 10, a sealing plug 11, a holding ring 12 and a rubber layer 13.

Detailed Description

The following is a more detailed description of the present invention with reference to specific embodiments.

The embodiment is as follows: as shown in figure 1, a negative pressure formula endometrium sample thief, including sampling pipe 1, sampling pipe 1 adopts both ends to seal the design, coats on the lateral wall in the outside of sampling pipe 1 and has the scale mark, can directly draw the degree of depth that sampling pipe 1 got into patient's cervix through the scale mark medical personnel. The sampling tube 1 is made of transparent plastic, and a holding ring 12 is bonded on the side wall of the right end of the sampling tube 1. The movable rod 2 is worn to be equipped with by the right-hand member of sampling pipe 1, and the right-hand member sliding connection of movable rod 2 and sampling pipe 1, the left end of movable rod 2 bond and have the piston 4 that is located sampling pipe 1 inside, and piston 4 and sampling pipe 1's inner wall sliding seal. The right end of the movable rod 2 is bonded with a pull ring 3, and when the movable rod 2 needs to be pulled, the movable rod 2 can be pulled quickly only by putting fingers into the pull ring 3. The left end side wall of the sampling tube 1 is provided with a collection port 5, and liquid and tissues in uterus can be collected through the collection port 5. The intercommunication has pipeline 6 on the right-hand member lateral wall of

sampling pipe

1, 6 lateral wall threaded connection of pipeline has solid fixed ring 7, the jade of 6 ends of pipeline is connected with spacing ring 8, gu fixed ring 7 and the equal fixedly connected with rubber layer 13 of spacing ring 8 opposite sides, the cover is equipped with tissue liquid collection bag 10 on the lateral wall of pipeline 6, the sack department of tissue liquid collection bag 10 is opened there is the air vent, it is inside that filter bag 9 is located tissue liquid collection bag 10 to cross filter bag 9, it is fixed through solid fixed ring 7 and spacing ring 8 with tissue liquid collection bag 10 sack, gu fixed ring 7 and 8 inboard rubber layer 13 of spacing ring and filter bag 9 and tissue liquid collection bag 10 sack contact and extrusion, make its connection more firm. The bottom of the tissue fluid collecting bag 10 is provided with a fluid outlet, and the fluid outlet is provided with a sealing plug 11 matched with the fluid outlet.

During operation, when needing to take a sample to patient's uterus, will cross filter bag 9 and tissue collection bag 10 sack and place in between solid fixed ring 7 and spacing ring 8, gu fixed ring 7 is rotatory to be removed downwards, makes its and spacing ring 8 cooperation chucking cross the sack of filter bag 9 and tissue collection bag 10, sends into patient's uterus with sampling 1 left end, then outwards stimulates loop bar 2, and loop bar 2 drives piston 4 and turns right the motion. At this time, negative pressure is generated at the left end inside the sampling tube 1, and the liquid and tissue in the uterus of the patient can enter the inside of the sampling tube 1 through the collecting port 5 and then fall into the filter bag 9 through the pipeline 6. The fluid falls through the filter bag 9 into the tissue fluid collection bag 10, while the sample required for sampling remains in the filter bag 9. The filter bag 9 and the tissue fluid collection bag 10 can then be removed, the filter bag 9 and the sample inside the filter bag 9 are placed into a specimen bag together, and the patient is waited for a case examination.

The above embodiments of the present invention are only examples, and the common knowledge of the known specific structures and characteristics in the schemes is not described too much, it should be pointed out that, for those skilled in the art, without departing from the structure of the present invention, a plurality of modifications and improvements can be made, and these should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A negative pressure type endometrium sampler comprises a sampling tube (1), and is characterized in that: the both ends of sampling pipe (1) are sealed, wear to be equipped with loop bar (2) in sampling pipe (1), the left end fixedly connected with of loop bar (2) is located piston (4) of sampling pipe (1) inside, piston (4) and sampling pipe (1) inner wall sliding seal, the left end of sampling pipe (1) is opened there is collection mouth (5), the right-hand member lateral wall intercommunication of sampling pipe (1) has pipeline (6), pipeline (6) outer wall threaded connection has solid fixed ring (7), be equipped with spacing ring (8) on the bottom lateral wall of pipeline (6), the cladding has filter bag (9) on the lateral wall of pipeline (6), filter bag (9) outside cover is equipped with tissue liquid collection bag (10), it has the air vent to open on tissue liquid collection bag (10), tissue liquid collection bag (10) is opened there is the liquid outlet, be equipped with sealed end cap (11) on the liquid outlet.

2. The negative pressure type endometrium sampler of claim 1, wherein: the right end of the sampling pipe (1) is provided with a pull ring (3) positioned outside the sampling pipe (1).

3. The negative-pressure endometrial sampler of claim 1, wherein: the bottom of the fixing ring (7) and the top of the limiting ring (8) are both connected with rubber layers (13).

4. The negative-pressure endometrial sampler of claim 1, wherein: the sampling tube (1) is made of transparent plastic.

5. The negative-pressure endometrial sampler of claim 1, wherein: and a gripping ring (12) is arranged on the side wall of the right end of the sampling pipe (1).