CN216365198U

CN216365198U - Amniotic fluid puncture positioning device

Info

Publication number: CN216365198U
Application number: CN202121770121.6U
Authority: CN
Inventors: 张方鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-04-26
Anticipated expiration: 2031-07-30

Abstract

The utility model provides a amniotic fluid puncture positioning device which comprises a puncture bed, wherein one side of the puncture bed is fixedly connected with a linear motor, the top of the linear motor is connected with a moving seat in a sliding manner, two ends of the top of the moving seat are both vertically connected with first sliding rods, one ends of the two first sliding rods, which are far away from the moving seat, are fixedly connected with a first top plate together, and the outer surfaces of the two first sliding rods are connected with a first movable plate together in a sliding manner and are positioned below the first top plate. The utility model provides a amniotic fluid puncture positioning device, which is characterized in that a silica gel sucker, a positioning frame, a puncture cylinder, a sampling frame and a needle tube seat are arranged, the puncture cylinder can rotate on the positioning frame through a second spring, the silica gel sucker can be adsorbed and fixed on a specified position of a human body, so that the angle can be adjusted conveniently for puncture, and the sampling frame can be used for placing a vacuum sampling bottle to be in butt joint with a puncture needle tube for sampling, so that automatic sampling is performed in the puncture process conveniently.

Description

Amniotic fluid puncture positioning device

Technical Field

The utility model relates to the technical field of amniotic fluid puncture, in particular to an amniotic fluid puncture positioning device.

Background

Amniocentesis is also called amniocentesis, and is one of prenatal examination items. It obtains information about the health and development of the fetus by extracting an amniotic fluid specimen of a pregnant woman. Amniotic fluid puncture has been widely used for more than 40 years of prenatal diagnosis, and prenatal diagnosis through amniotic fluid puncture is an integral part of modern obstetrical departments, and is the most common prenatal diagnosis technology in China at present.

Now relate to a amniotic fluid puncture positioner, present amniotic fluid puncture is mostly carried out direct puncture through simple puncture medical instrument, at first, pierces the in-process and can not carry out better location, causes certain injury to the fetus in the abdomen easily, and secondly, current location puncture can not carry out automatic sampling, need carry out manual operation and take a sample to there is certain influence.

SUMMERY OF THE UTILITY MODEL

Based on the technical problems in the background art, the utility model provides a amniotic fluid puncture positioning device.

The amniotic fluid puncture positioning device comprises a puncture bed, wherein one side of the puncture bed is fixedly connected with a linear motor, the top of the linear motor is slidably connected with a moving seat, both ends of the top of the moving seat are vertically connected with first slide bars, one ends of the two first slide bars, which are far away from the moving seat, are fixedly connected with a first top plate together, the outer surfaces of the two first slide bars are slidably connected with a first movable plate together and are positioned below the first top plate, both ends of one side of the first movable plate are fixedly connected with second slide bars, one ends of the two second slide bars, which are far away from the first movable plate, are fixedly connected with a second top plate together, the outer surfaces of the two second slide bars are slidably connected with a second movable plate together, the middle position of the bottom of the second movable plate is fixedly connected with an upright column, and one end of the upright column, which is far away from the second movable plate, is fixedly connected with a positioning frame, the adjustable opening has been seted up to the surface of locating rack, the inside of adjustable opening is provided with a puncture section of thick bamboo, four second springs of common fixedly connected with mutual symmetry between locating rack and the puncture section of thick bamboo, a pot head of a puncture section of thick bamboo is equipped with the silica gel sucking disc, a puncture section of thick bamboo runs through the one end of silica gel sucking disc be provided with the opening and with the silica gel sucking disc communicates with each other, remove the top fixedly connected with second motor of seat, the output shaft fixedly connected with of second motor with first fly leaf threaded connection's second threaded rod, the first motor of top fixedly connected with of second roof, the output shaft fixedly connected with of first motor with second fly leaf threaded connection's first threaded rod.

Preferably, the other end of the puncture cylinder is connected with a piston rod in a penetrating manner, the piston rod extends to one end of the interior of the puncture cylinder and is fixedly connected with a piston, two limiting rods are fixedly connected to two ends of the top of the piston, one end of each limiting rod is fixedly connected with a butt joint seat, the outer surface center of each butt joint seat is connected with a needle tube seat in a penetrating manner, and the outer surface center of each needle tube seat is connected with a puncture needle tube in a penetrating manner.

Preferably, the top central point of piston puts the fixedly connected with pneumatic cylinder, the top fixedly connected with sample holder of pneumatic cylinder with gag lever post sliding connection, the inside of sample holder is provided with the extrusion seat, the extrusion seat with the first spring of common fixedly connected with between the sample holder, the equal fixedly connected with slider in surface both sides of extrusion seat, the inner wall of sample holder seted up with slider sliding connection's spout, the top of extrusion seat is provided with the vacuum sampling bottle, the top of sample holder seted up spacing mouthful with the top through connection of vacuum sampling bottle.

Preferably, the upper side and the lower side of the needle tube seat are respectively provided with a thread groove and a limiting groove, the thread groove is concentrically communicated with the limiting groove, the outer surface of one end of the puncture needle tube is fixedly connected with a thread sleeve and is in threaded connection with the thread groove, one end of the puncture needle tube, which is close to the vacuum sampling bottle, pierces into the vacuum sampling bottle, and one end of the vacuum sampling bottle, which is close to the needle tube seat, is embedded into the limiting groove.

The amniotic fluid puncture positioning device provided by the utility model has the beneficial effects that: through the arrangement of the linear motor, the second threaded rod, the second motor, the moving seat, the first movable plate, the second movable plate, the first motor, the first threaded rod, the second spring, the silica gel sucker, the puncture cylinder and the positioning frame, the second motor can drive the first movable plate to vertically move through the second threaded rod, the first motor can drive the second movable plate to transversely move through the first threaded rod, the linear motor can drive the moving seat to longitudinally move, the puncture cylinder can rotate on the positioning frame through the second spring, so that the angle of the silica gel sucker is adjusted, and the silica gel sucker can be adsorbed on a human body, so that the puncture position can be fixed;

through the piston rod that sets up, a piston, the gag lever post, the butt joint seat, puncture needle tube, the needle tube seat, the pneumatic cylinder, sample rack and vacuum sampling bottle, the piston rod promotes the inside removal of piston at a puncture section of thick bamboo, the piston can promote the inside removal at a puncture section of thick bamboo through the gag lever post to the butt joint seat, the butt joint seat can promote puncture needle tube slowly to be close to the human body, thereby make puncture needle tube slowly pierce through inside human body, the pneumatic cylinder can promote sample rack and remove, the sample rack can promote the spacing inslot of vacuum sampling bottle above the needle tube seat, thereby make vacuum sampling bottle pierce through with puncture needle tube's the other end, thereby can make the inside of the automatic backward flow entering vacuum sampling bottle of human amniotic fluid, thereby can carry out automatic sampling to human amniotic fluid.

Drawings

FIG. 1 is a schematic structural view of an amniotic fluid puncture positioning device provided by the present invention;

FIG. 2 is a schematic view of the connection between a positioning frame and a puncture cylinder in the amniotic fluid puncture positioning device provided by the present invention;

FIG. 3 is an enlarged view of A in FIG. 2 of the amniotic fluid puncture positioning device provided by the present invention;

FIG. 4 is a schematic view of the connection between the docking station and the puncture needle tube of the amniotic fluid puncture positioning device according to the present invention;

fig. 5 is a schematic view illustrating the installation of a sampling frame and a vacuum sampling bottle in the amniotic fluid puncture positioning device provided by the utility model.

Illustration of the drawings:

1. a puncture bed; 2. a linear motor; 3. a movable seat; 4. a first slide bar; 5. a first top plate; 6. a first movable plate; 601. a second motor; 602. a second threaded rod; 7. a second slide bar; 8. a second top plate; 9. A second movable plate; 901. a first motor; 902. a first threaded rod; 10. a column; 11. a positioning frame; 1101. A movable opening; 1102. a second spring; 12. a puncture cylinder; 1201. a piston rod; 13. a silica gel sucker; 14. A piston; 15. a limiting rod; 16. a docking station; 17. a needle tube base; 1701. a thread groove; 1702. a limiting groove; 18. puncturing a needle tube; 1801. a threaded sleeve; 19. a hydraulic cylinder; 20. a sampling frame; 2001. a limiting port; 2002. a chute; 21. a vacuum sampling bottle; 22. a pressing base; 2201. a slider; 23. a first spring.

Detailed Description

Referring to fig. 1-5, the utility model provides a amniotic fluid puncture positioning device, which comprises a puncture bed 1, wherein one side of the puncture bed 1 is fixedly connected with a linear motor 2, the top of the linear motor 2 is slidably connected with a moving seat 3, both ends of the top of the moving seat 3 are vertically connected with first slide bars 4, one ends of the two first slide bars 4, which are far away from the moving seat 3, are commonly and fixedly connected with a first top plate 5, the outer surfaces of the two first slide bars 4 are commonly and slidably connected with a first movable plate 6, which is positioned below the first top plate 5, both ends of one side of the first movable plate 6 are fixedly connected with second slide bars 7, one ends of the two second slide bars 7, which are far away from the first movable plate 6, are commonly and fixedly connected with a second top plate 8, the outer surfaces of the two second slide bars 7 are commonly and slidably connected with a second movable plate 9, the middle position of the bottom of the second movable plate 9 is fixedly connected with an upright post 10, and one end of the upright post 10, which is far away from the second movable plate 9, is fixedly connected with a positioning frame 11.

In specific embodiment, the movable port 1101 has been seted up to the surface of locating rack 11, the inside of movable port 1101 is provided with a puncture section of thick bamboo 12, common four second springs 1102 of fixedly connected with mutual symmetry between locating rack 11 and the puncture section of thick bamboo 12, a pot head of puncture section of thick bamboo 12 is equipped with silica gel suction cup 13, puncture section of thick bamboo 12 runs through the one end of silica gel suction cup 13 and is provided with the opening and communicates with each other with silica gel suction cup 13, four second springs 1102 can be convenient for puncture section of thick bamboo 12 and carry out angle regulation in the inside of locating rack 11, silica gel suction cup 13 can closely laminate with the human body, thereby can fix a position puncture section of thick bamboo 12.

In a specific embodiment, the other end of the puncture cylinder 12 is connected with a piston rod 1201 in a penetrating manner, one end of the piston rod 1201 extending into the puncture cylinder 12 is fixedly connected with a piston 14, two end positions of the top of the piston 14 are fixedly connected with limiting rods 15, one end of each of the two limiting rods 15 is fixedly connected with a docking seat 16, a needle seat 17 is connected to the center of the outer surface of the docking seat 16 in a penetrating manner, a puncture needle tube 18 is connected to the center of the outer surface of the needle seat 17 in a penetrating manner, the piston rod 1201 can push the piston 14 to move, the piston 14 can drive the docking seat 16 to move through the limiting rods 15, and the docking seat 16 can push the puncture needle tube 18 to puncture.

In a specific embodiment, a hydraulic cylinder 19 is fixedly connected to the top center of the piston 14, a sampling frame 20 and a limiting rod 15 are fixedly connected to the top of the hydraulic cylinder 19 in a sliding manner, an extrusion seat 22 is arranged inside the sampling frame 20, a first spring 23 is fixedly connected between the extrusion seat 22 and the sampling frame 20 together, a slider 2201 is fixedly connected to two sides of the outer surface of the extrusion seat 22, a sliding groove 2002 slidably connected with the slider 2201 is formed in the inner wall of the sampling frame 20, a vacuum sampling bottle 21 is arranged at the top of the extrusion seat 22, a limiting opening 2001 and a top penetrating connection of the vacuum sampling bottle 21 are formed in the top of the sampling frame 20, the vacuum sampling bottle 21 can be conveniently installed and replaced, wherein the first spring 23 can push the extrusion seat 22 to compress the vacuum sampling bottle 21 through elasticity of the first spring 23, and the limiting opening 2001 can limit and fix the vacuum sampling bottle 21.

In a specific embodiment, the upper side and the lower side of the needle tube seat 17 are respectively provided with a thread groove 1701 and a limit groove 1702, the thread groove 1701 is concentrically communicated with the limit groove 1702, the outer surface of one end of the puncture needle tube 18 is fixedly connected with a thread sleeve 1801 in threaded connection with the thread groove 1701, one end of the puncture needle tube 18 close to the vacuum sampling bottle 21 pierces into the vacuum sampling bottle 21, and one end of the vacuum sampling bottle 21 close to the needle tube seat 17 is embedded into the limit groove 1702, so that the puncture needle tube 18 can conveniently penetrate and butt-joint with the vacuum sampling bottle 21, and automatic sampling is facilitated.

In a specific embodiment, the top of the movable seat 3 is fixedly connected with a second motor 601, the output shaft of the second motor 601 is fixedly connected with a second threaded rod 602 in threaded connection with the first movable plate 6, the top of the second top plate 8 is fixedly connected with a first motor 901, the output shaft of the first motor 901 is fixedly connected with a first threaded rod 902 in threaded connection with the second movable plate 9, the second motor 601 can drive the first movable plate 6 to vertically move through the second threaded rod 602, and the first motor 901 can drive the second movable plate 9 to transversely move through the first threaded rod 902.

The working principle of the utility model is as follows: when positioning, firstly, the second motor 601 can drive the first movable plate 6 to move vertically through the second threaded rod 602, the first motor 901 can drive the second movable plate 9 to move horizontally through the first threaded rod 902, the linear motor 2 can drive the movable seat 3 to move longitudinally, then the puncture cylinder 12 is rotated, the silica gel sucker 13 is aligned with a position designated by a human body, then the silica gel sucker 13 is pressed lightly, the silica gel sucker 13 is adsorbed on the human body, so that the puncture position can be fixed, when performing amniotic puncture sampling, the piston rod 1201 is firstly pushed, the piston rod 1201 pushes the piston 14 to move inside the puncture cylinder 12, the piston 14 can push the butt-joint seat 16 to move inside the puncture cylinder 12 through the limiting rod 15, the butt-joint seat 16 can push the puncture needle tube 18 to be slowly close to the human body, so that the puncture needle tube 18 slowly punctures the inside the human body, during the puncture process, open pneumatic cylinder 19, pneumatic cylinder 19 can promote the removal of sample rack 20, and sample rack 20 can promote vacuum sampling bottle 21 and imbed the spacing groove 1702 the inside above the needle tubing seat 17 to make vacuum sampling bottle 21 and the other end of puncture needle tubing 18 impale, thereby can make the inside of human amniotic fluid automatic reflux entering vacuum sampling bottle 21, thereby can carry out automatic sampling to human amniotic fluid.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The amniotic fluid puncture positioning device is characterized by comprising a puncture bed (1), wherein one side of the puncture bed (1) is fixedly connected with a linear motor (2), the top of the linear motor (2) is slidably connected with a movable seat (3), both ends of the top of the movable seat (3) are vertically connected with first slide bars (4), one ends of the two first slide bars (4) far away from the movable seat (3) are fixedly connected with a first top plate (5) together, the outer surfaces of the two first slide bars (4) are slidably connected with a first movable plate (6) together and positioned below the first top plate (5), both ends of one side of the first movable plate (6) are fixedly connected with second slide bars (7), one ends of the two second slide bars (7) far away from the first movable plate (6) are fixedly connected with a second top plate (8) together, the outer surfaces of the two second slide bars (7) are slidably connected with a second movable plate (9) together, the bottom of second fly leaf (9) position fixedly connected with stand (10) placed in the middle, the one end fixedly connected with locating rack (11) of second fly leaf (9) is kept away from to stand (10), activity mouth (1101) have been seted up to the surface of locating rack (11), the inside of activity mouth (1101) is provided with a puncture section of thick bamboo (12), common fixedly connected with four second springs (1102) of mutual symmetry between locating rack (11) and the puncture section of thick bamboo (12), a pot head of a puncture section of thick bamboo (12) is equipped with silica gel sucking disc (13), the one end that a puncture section of thick bamboo (12) run through silica gel sucking disc (13) is provided with the opening and communicates with each other with silica gel sucking disc (13), the top fixedly connected with second motor (601) of removal seat (3), the output shaft fixedly connected with of second motor (601) with first fly leaf (6) threaded connection's second threaded rod (602), the top of the second top plate (8) is fixedly connected with a first motor (901), and an output shaft of the first motor (901) is fixedly connected with a first threaded rod (902) in threaded connection with the second movable plate (9).

2. The amniotic fluid puncture positioning device according to claim 1, wherein a piston rod (1201) is connected to the other end of the puncture cylinder (12) in a penetrating manner, a piston (14) is fixedly connected to one end of the piston rod (1201) extending into the puncture cylinder (12), both ends of the top of the piston (14) are fixedly connected with limit rods (15), one end of each of the two limit rods (15) is fixedly connected with a docking seat (16), a needle seat (17) is connected to the center of the outer surface of the docking seat (16) in a penetrating manner, and a puncture needle tube (18) is connected to the center of the outer surface of the needle seat (17) in a penetrating manner.

3. The amniotic fluid puncture positioning device according to claim 2, wherein a hydraulic cylinder (19) is fixedly connected to the top center of the piston (14), the top of the hydraulic cylinder (19) is fixedly connected with a sampling frame (20) which is connected with the limiting rod (15) in a sliding way, a squeezing seat (22) is arranged in the sampling frame (20), a first spring (23) is fixedly connected between the squeezing seat (22) and the sampling frame (20), two sides of the outer surface of the extrusion seat (22) are fixedly connected with sliding blocks (2201), the inner wall of the sampling frame (20) is provided with a sliding groove (2002) which is in sliding connection with the sliding block (2201), the top of the extrusion seat (22) is provided with a vacuum sampling bottle (21), and the top of the sampling frame (20) is provided with a limit port (2001) which is in through connection with the top of the vacuum sampling bottle (21).

4. The amniotic fluid puncture positioning device according to claim 3, wherein the upper side and the lower side of the needle tube seat (17) are respectively provided with a thread groove (1701) and a limiting groove (1702), the thread groove (1701) is concentrically communicated with the limiting groove (1702), the outer surface of one end of the puncture needle tube (18) is fixedly connected with a thread sleeve (1801) and is in threaded connection with the thread groove (1701), one end of the puncture needle tube (18) close to the vacuum sampling bottle (21) is punctured into the vacuum sampling bottle (21), and one end of the vacuum sampling bottle (21) close to the needle tube seat (17) is embedded into the limiting groove (1702).