CN209074686U - A kind of gynemetrics's amniotic fluid sampler - Google Patents

Abstract

The utility model discloses a kind of gynemetrics's amniotic fluid samplers, including the first tube body and puncture needle；The bottom end center of first tube body is equipped with puncture needle, and the bottom edge of the first tube body is equipped with several telescopic rods, the bottom end connecting sucker of telescopic rod；The inside of first tube body is equipped with the first piston that can be vertically moved, and the top of first piston connects piston rod, and the bottom end center of first piston connects sampling probe；The top connecting conduit of sampling probe, the conduit is inside first piston；The outer wall of first tube body is detachably connected the second tube body by card slot, is successively arranged filter chamber, the first amniotic fluid chamber and the second amniotic fluid chamber in the second tube body from top to bottom；The utility model facilitates one man operation, controls sampling amount by screw-fashion, relative to the sampling mode of straight line drawing and pulling type, inertia is small, highly-safe；Leakproofness and extremely efficient in preserving heat, setting filter chamber are filtered the metabolism impurity in amniotic fluid, guarantee the accuracy of inspection result.

Description

A kind of gynemetrics's amniotic fluid sampler

Technical field

The utility model relates to medical instruments fields, and in particular to a kind of gynemetrics's amniotic fluid sampler.

Background technique

In order to guarantee puerpera's reason health condition to be generated and development of fetus situation in gynicologycal medical field, amniotic fluid will do it Sampling, but the amniotic fluid sampling work currently carried out is relatively complicated, and lumbar puncture needle cooperation sampling needle tubing is needed to carry out amniotic fluid extraction, Operation is extremely inconvenient, generally requires two medical workers and cooperates progress, and the amniotic fluid extracted needs to send to inspection immediately, otherwise Cooling oxidation is easy denaturation after amniotic fluid is detached from conceptus, influences inspection result.

Utility model content

In order to overcome the technical deficiency of existing amniotic fluid sampler, the utility model provides a kind of gynemetrics's amniotic fluid sampling Device, facilitates one man operation, leakproofness and extremely efficient in preserving heat, guarantees the accuracy of inspection result.

The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of gynemetrics's amniotic fluid sampler, packet Include the first tube body and puncture needle；The bottom end center of first tube body is equipped with puncture needle, and the bottom edge of the first tube body is equipped with several Telescopic rod, the bottom end connecting sucker of telescopic rod；The inside of first tube body is equipped with the first piston that can be vertically moved, first piston Top connect piston rod, the bottom end center of first piston connects sampling probe；The top connecting conduit of sampling probe, the conduit pass through It wears inside first piston；The outer wall of first tube body is detachably connected the second tube body by card slot, in the second tube body from top to bottom according to Secondary to be equipped with filter chamber, the first amniotic fluid chamber and the second amniotic fluid chamber, filter chamber and the second amniotic fluid chamber are equipped on the tube wall of the second tube body Outlet tube with pipe lid；Filter screen is equipped between the filter chamber and the first amniotic fluid chamber；Second amniotic fluid is intracavitary to be equipped with energy It is movable that the inner wall of the second piston of enough transverse shiftings, connecting screw on the outside of second piston, screw rod and the second amniotic fluid chamber passes through screw thread Connection, screw rod extend on the outside of the second tube body；It is connected between the sampling probe and filter chamber by conduit, the first amniotic fluid chamber and Two amniotic fluid chambers are connected；The outer wall of second tube body is enclosed with electric pad, and the battery and controller of electric pad are located at the second pipe Body bottom end, battery are electrically connected the controller of electric pad.

Further, the puncture needle and sampling probe are concentric settings, and the internal diameter of puncture needle is greater than the outer diameter of sampling probe.

Further, the air hole being equipped in the first piston at the top and bottom of connection first piston.

Further, the screw rod connects round handle in the one end being located on the outside of the second tube body.

Further, contain lectrothermal alloy wire inside the electric pad, it is S-type to be distributed in electric pad.

The utility model has the beneficial effects that gynemetrics's amniotic fluid sampler, facilitates one man operation, passes through screw-fashion Sampling amount is controlled, relative to the sampling mode of straight line drawing and pulling type, inertia is small, highly-safe；Leakproofness and extremely efficient in preserving heat, setting Filter chamber is filtered the metabolism impurity in amniotic fluid, guarantees the accuracy of inspection result.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the structural schematic diagram of the second tube body side.

It is indicated in figure, 1. first tube bodies, 2. puncture needles, 3. telescopic rods, 4. suckers, 5. first pistons, 6. piston rods, 7. take Sample needle, 8. conduits, 9. second tube bodies, 10. filter chambers, 11. first amniotic fluid chambers, 12. second amniotic fluid chambers, 13. outlet tubes, 14. mistakes Strainer, 15. second pistons, 16. screw rods, 17. electric pads, 18. batteries, 19. controllers, 20. air holes, 21. round handles.

Specific embodiment

Referring to Fig.1-2, a kind of gynemetrics's amniotic fluid sampler, including the first tube body 1 and puncture needle 2；The bottom of first tube body 1 End center is equipped with puncture needle 2, and the bottom edge of the first tube body 1 is set there are three telescopic rod 3, the bottom end connecting sucker 4 of telescopic rod 3； The inside of first tube body 1 is equipped with the first piston 5 that can be vertically moved, and the top of first piston 5 connects piston rod 6, and first is living The bottom end center of plug 5 connects sampling probe 7；The top connecting conduit 8 of sampling probe 7, the conduit 8 is inside first piston 5；The The outer wall of one tube body 1 is detachably connected the second tube body 9 by card slot, be successively arranged from top to bottom in the second tube body 9 filter chamber 10, First amniotic fluid chamber 11 and the second amniotic fluid chamber 12, filter chamber 10 and the second amniotic fluid chamber 12 are equipped on the tube wall of the second tube body 9 and have The outlet tube 13 of pipe lid；Filter screen 14 is equipped between the filter chamber 10 and the first amniotic fluid chamber 11；In the second amniotic fluid chamber 12 Equipped with the second piston 15 for capableing of transverse shifting, 15 outside connecting screw 16 of second piston, screw rod 16 and the second amniotic fluid chamber 12 Inner wall is flexibly connected by screw thread, and screw rod 16 extends to 9 outside of the second tube body；Pass through between the sampling probe 7 and filter chamber 10 Conduit 8 is connected to, and the first amniotic fluid chamber 11 is connected with the second amniotic fluid chamber 12；The outer wall of second tube body 9 is enclosed with electric pad 17, The battery 18 and controller 19 of electric pad 17 are located at 9 bottom end of the second tube body, and battery 18 is electrically connected the controller 19 of electric pad 17.

As a preferred embodiment, the puncture needle 2 and sampling probe 7 are concentric settings, and the internal diameter of puncture needle 2 is greater than sampling The outer diameter of needle 7, sampling probe 7 are inserted into puncture needle 2.

As a preferred embodiment, the air hole 20 of 5 top and bottom of connection first piston is equipped in the first piston 5, Air in first tube body 1 can be discharged by air hole 20.

As a preferred embodiment, the screw rod 16 connects round handle 21, medical matters in the one end for being located at 9 outside of the second tube body Personnel hold round handle 21 and rotate screw rod 16 to realize that second piston 15 is mobile.

As a preferred embodiment, contain lectrothermal alloy wire inside the electric pad 17, it is S-type to be distributed in electric pad 17, Its physical circuit principle is identical as electric blanket principle in the prior art, plays the role of heating and thermal insulation.

When the utility model is used, after puncture needle 2 is pierced into uterine wall, adjusting three telescopic rods 3 makes sucker 4 that pregnant woman's tripe be sucked Skin is conducive to fixed whole device；Pushing piston rod 6 is inserted into sampling probe 7 in puncture needle 2, screws round handle 21 and twists outward Second piston 15 out, draw amniotic fluid under the action of negative pressure, and amniotic fluid enters the filter chamber 10 of the second tube body 9 by conduit 8, passed through Strainer 14 enters in the first amniotic fluid chamber 11 and the second amniotic fluid chamber 12 after filtering；Electric pad 17 can heat the second tube body 9, Make amniotic fluid temperature close to 37 degrees Celsius of body temperature, is conducive to improve activity.

Claims (4)

1. a kind of gynemetrics's amniotic fluid sampler, which is characterized in that including the first tube body (1) and puncture needle (2)；First tube body (1) bottom end center is equipped with puncture needle (2), and the bottom edge of the first tube body (1) is equipped with several telescopic rods (3), telescopic rod (3) Bottom end connecting sucker (4)；The inside of first tube body (1) is equipped with the first piston (5) that can be vertically moved, first piston (5) Top connect piston rod (6), the bottom end center of first piston (5) connects sampling probe (7)；The top connection of sampling probe (7) is led It manages (8), the conduit (8) is internal through first piston (5)；The outer wall of first tube body (1) is detachably connected second by card slot Tube body (9), the second tube body (9) is interior to be successively arranged filter chamber (10), the first amniotic fluid chamber (11) and the second amniotic fluid chamber from top to bottom (12), filter chamber (10) and the second amniotic fluid chamber (12) are equipped with the outlet tube (13) with pipe lid on the tube wall of the second tube body (9)； Filter screen (14) are equipped between the filter chamber (10) and the first amniotic fluid chamber (11)；Being equipped in the second amniotic fluid chamber (12) can The second piston (15) of transverse shifting, second piston (15) outside connecting screw (16), screw rod (16) and the second amniotic fluid chamber (12) Inner wall be flexibly connected by screw thread, screw rod (16) extends on the outside of the second tube body (9)；The sampling probe (7) and filter chamber (10) it is connected between by conduit (8), the first amniotic fluid chamber (11) is connected with the second amniotic fluid chamber (12)；Second tube body (9) Outer wall be enclosed with electric pad (17), the battery (18) and controller (19) of electric pad (17) are located at the second tube body (9) bottom end, electricity Pond (18) is electrically connected the controller (19) of electric pad (17).

2. gynemetrics's amniotic fluid sampler according to claim 1, which is characterized in that the puncture needle (2) and sampling probe It (7) is concentric setting, the internal diameter of puncture needle (2) is greater than the outer diameter of sampling probe (7).

3. gynemetrics's amniotic fluid sampler according to claim 1, which is characterized in that be equipped in the first piston (5) The air hole (20) being connected at the top and bottom of first piston (5).

4. gynemetrics's amniotic fluid sampler according to claim 1, which is characterized in that the screw rod (16) is being located at second One end on the outside of tube body (9) connects round handle (21).