CN211583248U

CN211583248U - Amniotic fluid sampling device for obstetrics and gynecology department

Info

Publication number: CN211583248U
Application number: CN201921907919.3U
Authority: CN
Inventors: 魏雅男
Original assignee: Hangzhou Anying E Commerce Co ltd
Current assignee: Hangzhou Anying E Commerce Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-09-29
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a amniotic fluid sampling device for gynaecology and obstetrics, which comprises a housin, the inside slider that is equipped with of casing, slider upper end fixed connection connecting rod, connecting rod upper end fixed connection is to the pipe, the inside pipe that is equipped with of connecting rod, slider lower extreme fixed connection sampling needle, the spring is established to the connecting rod cover, ring baffle is connected to the spring lower extreme, and ring baffle fixes at the shell inner wall, spring upper end and to pipe downside fixed connection, the inside threaded connection vacuum tube that passes through of butt joint pipe, vacuum tube lower extreme opening, be equipped with annular stopper in the opening, the opening is equipped with the rubber buffer to annular stopper department, rubber buffer lower. The utility model discloses be favorable to preserving the sample, maintain the initial condition of amniotic fluid, improve the accuracy of chemical examination, and reduce work load.

Description

Amniotic fluid sampling device for obstetrics and gynecology department

Technical Field

The utility model relates to a sampling device technical field specifically is a amniotic fluid sampling device for gynaecology and obstetrics.

Background

In order to guarantee that the lying-in woman is waited to produce reason health condition and foetus development condition among the gynaecology and obstetrics medical field, generally can need carry out the amniotic fluid sample, but the amniotic fluid sample work of going on at present is comparatively loaded down with trivial details, and probably is difficult to keep original state because of air admission, has reduced and the accuracy of chemical examination. Accordingly, one skilled in the art provides an amniotic fluid sampling device for obstetrics and gynecology to solve the problems set forth in the background art.

Disclosure of Invention

An object of the utility model is to provide a amniotic fluid sampling device for gynaecology and obstetrics to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a amniotic fluid sampling device for gynaecology and obstetrics, which comprises a housin, the inside slider that is equipped with of casing, slider upper end fixed connection connecting rod, connecting rod upper end fixed connection is to the pipe, the inside pipe that is equipped with of connecting rod, slider lower extreme fixed connection sampling needle, the spring is established to the connecting rod cover, ring baffle is connected to the spring lower extreme, and ring baffle fixes at the shell inner wall, spring upper end and to managing downside fixed connection, the inside threaded connection vacuum tube that passes through of butt joint pipe, vacuum tube lower extreme opening, be equipped with annular stopper in the opening, opening to annular stopper department is equipped with the rubber buffer.

Place the locating plate at the sampling point, impel the butt joint pipe downwards, the butt joint pipe promotes spring and connecting rod to move together downwards, because the ring baffle has prevented the motion of spring lower extreme, the spring is increased by the compression elastic potential energy, and the connecting rod continues downwards, the pipe is installed inside the connecting rod, the connecting rod promotes the slider and drives the sampling needle and see through the locating plate and impale the sampling point, at this moment in screwing in the butt joint pipe with vacuum tube lower extreme, the pipe upper end impales from the recess in the rubber buffer, amniotic fluid inhales in the vacuum tube from the sampling needle, loosen the effort of butt joint pipe, the spring resumes to the original length and promotes butt joint pipe upward movement, the butt joint pipe drives connecting rod and slider upward movement, the slider drives the sampling needle and breaks.

The upper end of the guide pipe penetrates through the butt joint pipe, the rubber plug can be pierced by the extending length of the upper end of the guide pipe, the lower end of the guide pipe is connected with the sampling needle, the outer side of the spring is provided with a telescopic cover, the upper end of the telescopic cover is fixed with the butt joint pipe, the lower end of the telescopic cover is connected with the upper end of the shell, the lower portion of the shell is provided with a positioning plate, the central position of the positioning plate is provided with a through hole.

The length of the upper end of the guide pipe can ensure that amniotic fluid can be introduced into the vacuum pipe, the telescopic cover can prevent the spring from being exposed, the positioning plate can conveniently position the sampling point, the sampling needle can be smoothly extended and stored, the annular baffle can block the spring from moving downwards, and the connecting rod is guaranteed to move in the vacuum pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the vacuum tube is favorable for preserving the sample, maintaining the original state of the amniotic fluid and improving the accuracy of the assay;

2. the sampling needle can be automatically pulled out by utilizing the restoring force of the spring, so that the workload during sampling is reduced;

drawings

Fig. 1 is a schematic structural view of an amniotic fluid sampling device for obstetrics and gynecology department.

Fig. 2 is a schematic view of a vacuum tube structure in an amniotic fluid sampling device for obstetrics and gynecology department.

Fig. 3 is a connection structure diagram of a butt joint pipe and a vacuum pipe in the amniotic fluid sampling device for obstetrics and gynecology department.

In the figure: 1. a housing; 2. a slider; 3. a connecting rod; 4. a conduit; 5. a vacuum tube; 6. butt-joint pipes; 7. a rubber plug; 8. a spring; 9. a telescopic cover; 10. an annular baffle; 11. a sampling needle; 12. and (7) positioning the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 ~ 3, in the embodiment of the utility model, a amniotic fluid sampling device for gynaecology and obstetrics, which comprises a

housin

1, 1 inside slider 2 that is equipped with of casing, 2 upper ends fixed connection connecting rods 3 of slider, 3 upper ends fixed connection of connecting rod are to managing 6, 3 inside pipes 4 that are equipped with of connecting rod, 2 lower extreme fixed connection sampling needles 11 of slider, 3 covers of connecting rod establish spring 8, ring baffle 10 is connected to the 8 lower extreme of spring, and ring baffle 10 fixes at 1 inner wall of shell, the 6 downside fixed connection of 8 upper ends of spring and butt joint pipe, through threaded connection vacuum tube 5 inside the butt joint pipe, the lower extreme opening of vacuum tube 5, be equipped with annular stopper in the opening, opening to annular stopper department is equipped with rubber buffer 7, the 7 lower.

Place locating plate 12 at the sampling point, impel butt joint pipe 6 downwards, butt joint pipe 6 pushes down spring 8 and connecting rod 3 and moves together, because the motion of spring 8 lower extreme has been prevented to ring baffle 10, spring 8 is increased by the elasticity potential energy that compresses, and connecting rod 3 continues downwards, pipe 4 is installed inside connecting rod 3, the connecting rod promotes slider 2 and drives sampling needle 11 and see through locating plate 12 and impale the sampling point, at this moment, screw in vacuum tube 5 lower extreme precession butt joint pipe 5, pipe 4 upper end impales from rubber buffer 7 indent, amniotic fluid inhales in vacuum tube 5 from sampling needle 11, loosen the effort to butt joint pipe 6, spring 8 resumes to promote butt joint pipe 6 to move upwards to the original length, butt joint pipe 6 drives connecting rod 3 and slider 2 upward movement, slider 2 drives sampling needle 11 and breaks away from the sampling point, accomplish the sample to the amniotic fluid.

The upper end of the conduit 4 penetrates through the butt joint pipe 6, the rubber plug 7 can be pierced by the extending length of the upper end of the conduit 4, the lower end of the conduit 4 is connected with the sampling needle 11, the outer side of the spring 8 is provided with the telescopic cover 9, the upper end of the telescopic cover 9 is fixed with the butt joint pipe 6, the lower end of the telescopic cover 9 is connected with the upper end of the shell 1, the lower portion of the shell 1 is provided with the positioning plate 12, the central position of the positioning plate 12 is provided with a through hole, the diameter of the through hole is.

The length of the upper end of the guide pipe 4 can ensure that the sheep water can be introduced into the vacuum pipe, the telescopic cover 9 can prevent the spring 8 from being exposed, the positioning plate 12 can conveniently position the sampling point, the sampling needle 11 can be smoothly extended and stored, the annular baffle 10 can block the spring 8 from moving downwards, and the connecting rod 3 is guaranteed to move inside.

The utility model discloses a theory of operation is: the positioning plate 12 is placed at the sampling point, the butt joint pipe 6 is pushed downwards, the butt joint pipe 6 pushes the spring 8 downwards to move together with the connecting rod 3, since the annular baffle 10 prevents the lower end of the spring 8 from moving, the spring 8 is increased by the elastic potential energy of compression, the connecting rod 3 continues to move downwards, the guide tube 4 is arranged in the connecting rod 3, the connecting rod pushes the slide block 2 to drive the sampling needle 11 to pierce a sampling point through the positioning plate 12, at the moment, the lower end of the vacuum tube 5 is screwed into the butt joint tube 5, the upper end of the guide tube 4 pierces from the concave part of the rubber plug 7, amniotic fluid is sucked into the vacuum tube 5 from the sampling needle 11, the acting force of the butt joint tube 6 is released, the spring 8 returns to the original length to push the butt joint tube 6 to move upwards, to taking over 6 and driving connecting rod 3 and slider 2 upward movement, slider 2 drives sampling needle 11 and breaks away from the sampling point, accomplishes the sample to the amniotic fluid, takes off vacuum tube 5 in the follow butt joint pipe 6, to the assay analysis of amniotic fluid.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An amniotic fluid sampling device for obstetrics and gynecology department, which comprises a shell (1) and is characterized in that, a sliding block (2) is arranged in the shell (1), the upper end of the sliding block (2) is fixedly connected with a connecting rod (3), the upper end of the connecting rod (3) is fixedly connected with a butt joint pipe (6), a guide pipe (4) is arranged in the connecting rod (3), the lower end of the sliding block (2) is fixedly connected with a sampling needle (11), a spring (8) is sleeved on the connecting rod (3), the lower end of the spring (8) is connected with an annular baffle plate (10), the annular baffle (10) is fixed on the inner wall of the shell (1), the upper end of the spring (8) is fixedly connected with the lower side of the butt joint pipe (6), the butt joint pipe (6) is inside through threaded connection vacuum tube (5), and vacuum tube (5) lower extreme opening is equipped with annular stopper in the opening, and opening department to annular stopper is equipped with rubber buffer (7), rubber buffer (7) lower extreme indent.

2. An amniotic fluid sampling device for obstetrics and gynecology department according to claim 1, wherein the upper end of the conduit (4) penetrates through the docking tube (6) and the protruding length can pierce the rubber stopper (7).

3. An amniotic fluid sampling device for obstetrics and gynecology according to claim 1, wherein the lower end of the catheter (4) is connected with a sampling needle (11).

4. The amniotic fluid sampling device for obstetrics and gynecology department according to claim 1, characterized in that a telescopic cover (9) is arranged outside the spring (8), the upper end of the telescopic cover (9) is fixed with the butt joint pipe (6), and the lower end of the telescopic cover (9) is connected with the upper end of the shell (1).

5. The amniotic fluid sampling device for obstetrics and gynecology department according to claim 1, characterized in that a positioning plate (12) is arranged at the lower part of the shell (1), and a through hole is arranged at the center of the positioning plate (12).

6. An amniotic fluid sampling device for obstetrics and gynecology department according to claim 5, wherein the diameter of the through hole is larger than the diameter of the sampling needle (11).

7. Amniotic fluid sampling device for gynaecology and obstetrics according to claim 1, characterized in that the internal diameter of the ring-shaped baffle (10) is larger than the diameter of the connecting rod (3).