CN218045185U

CN218045185U - Novel amniotic fluid safety extraction device

Info

Publication number: CN218045185U
Application number: CN202221776910.5U
Authority: CN
Inventors: 李艳颜
Original assignee: Shenzhen Hospital University of Hong Kong
Current assignee: Shenzhen Hospital University of Hong Kong
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-12-16
Anticipated expiration: 2032-07-12

Abstract

The utility model discloses a novel amniotic fluid safety extraction device, including the syringe, the surface upper portion joint of syringe has coupling mechanism, coupling mechanism's surface left part alternates swing joint and has the syringe needle, the lower extreme of syringe needle alternates fixedly connected with pjncture needle, the surface upper portion fixedly connected with fixed establishment of pjncture needle, the surface lower part of syringe alternates fixedly connected with fixed plate, the lower extreme middle part of syringe alternates swing joint has the piston rod, and the piston rod sets up to I shape structure, a plurality of scale marks are carved with at the front end middle part of syringe. A novel amniotic fluid safety extraction device, through setting up coupling mechanism, can reduce the operation degree of difficulty of art person, the security of multiplicable amniocentesis/chorionic villus puncture through setting up fixed establishment and fixed bolster, can play the fixed action to the puncture needle, improved the stability of puncture needle, be fit for the wide use.

Description

Novel amniotic fluid safety extraction device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to novel amniotic fluid safety extraction device.

Background

Traditional amniotic cavity puncture amniotic fluid collection system is pjncture needle lug connection syringe and extracts the amniotic fluid, and the purpose is through interveneeing the mode before the foetus is born, obtains foetal cell and carries out including technical help such as biochemistry, cytogenetics, molecular biology and know foetus in the intrauterine growth condition, does the diagnosis foundation to congenital and hereditary disease to help make further follow-up or preparation for pregnancy in the morning, has at least following drawback in the use of current device: 1. the puncture needle is directly connected with the injector to increase the negative pressure for collecting amniotic fluid, the external force generated by inertia causes needle release, so the risk of repeated puncture is needed, the risk of infection causing abortion is increased, and larger negative pressure is needed when amniotic fluid is extracted by amniocentesis, the horizontal height of the puncture needle directly connected with the injector is increased, the operation difficulty of an operator is increased, and time and labor are wasted; 2. after the puncture of traditional amniotic cavity/chorionic puncture is successful, pjncture needle lug connection syringe gathers the amniotic fluid, because pjncture needle lumen is thin, is difficult to fix, and is unstable, leads to the pjncture needle to twitch about easy, increases the painful sense of pregnant woman, and the amnion fracture and seepage appear even easily, lead to the foetus to be aborted, so, we have released a novel amniotic fluid safety draw-out device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel amniotic fluid safety extraction device can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel amniotic fluid safety extraction device, includes the syringe, the surface upper portion joint of syringe has coupling mechanism, coupling mechanism's surface left part alternates swing joint and has the syringe needle, the lower extreme of syringe needle alternates fixedly connected with pjncture needle, the surface upper portion fixedly connected with fixed establishment of pjncture needle, the surface lower part of syringe alternates fixedly connected with fixed plate, the lower extreme middle part of syringe alternates swing joint has the piston rod, and the piston rod sets up to I shape structure, a plurality of scale marks are carved with in the front end middle part of syringe.

Preferably, coupling mechanism includes the extension pipe, the lower extreme right part of extension pipe alternates the first connector of fixedly connected with, and the lower extreme of first connector and the upper end joint of syringe, the lower extreme left part of extension pipe alternates the fixedly connected with second connector, and the surface lower part of second connector and the upper end middle part of syringe needle alternate swing joint, the surface left part joint of extension pipe has the clip.

Preferably, the fixing mechanism comprises a fixing cylinder, the upper portion of the outer surface of the fixing cylinder is inserted with three positioning bolts, the three positioning bolts are far away from a handle fixedly connected with one end of the fixing cylinder, the lower end of the fixing cylinder is fixedly connected with a fixing pad, and the fixing cylinder is sleeved on the outer surface of the puncture needle.

Preferably, the fixed bolster includes the backing plate, the lower extreme middle part of backing plate is opened there is the fixed slot, fixedly connected with a plurality of rubber granule on the cell wall of fixed slot, the upper end middle part of backing plate is opened there is spacing hole, the upper end of backing plate and the lower extreme fixed connection of a fixed cylinder.

Preferably, the extension pipe is a rubber hose, the first connector is made of rubber, and a plurality of threads are carved on the lower portion of the outer surface of the second connector and the inside of the needle head.

Preferably, the fixing groove is of an inward concave arc structure, the diameter length of the limiting hole is consistent with that of the puncture needle, and the inner diameter length of the fixing cylinder is larger than that of the puncture needle.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. in the utility model, the connecting mechanism is arranged, the first connector is connected with the injector, and then the second connector is connected with the needle head, so that the injector and the puncture needle can be connected together through the extension tube, external force generated by most inertia can be counteracted, and the problem of needle drop due to external force is reduced, thereby ensuring the safety of amniocentesis/chorionic puncture, reducing the operation difficulty of operators and improving the medical care work efficiency;

2. the utility model discloses in, through setting up fixed establishment and fixed bolster, make positioning bolt fix the puncture needle through rotating the handle, can play the fixed action to the puncture needle, improved the stability of pjncture needle for the puncture needle is difficult for taking place about, twitches from top to bottom, can reduce the painful sense of pregnant woman, avoids appearing the amnion and breaks and the condition of seepage, the effectual security that has improved.

Drawings

Fig. 1 is a schematic view of the overall structure of a novel amniotic fluid safety extraction device of the present invention;

fig. 2 is a schematic view of the overall structure of the connecting mechanism of the novel amniotic fluid safety extraction device of the present invention;

fig. 3 is a schematic view of the overall structure of the fixing mechanism of the novel amniotic fluid safety extraction device of the present invention;

fig. 4 is the overall structure schematic diagram of the fixing pad of the novel amniotic fluid safety extraction device of the present invention.

In the figure: 1. an injector; 2. a connecting mechanism; 3. a needle head; 4. puncturing needles; 5. a fixing mechanism; 6. a fixing plate; 7. a piston rod; 8. scale lines; 21. an extension tube; 22. a first connector; 23. a second connector; 24. a clip; 51. a fixed cylinder; 52. positioning the bolt; 53. a handle; 54. a fixing pad; 541. a base plate; 542. fixing grooves; 543. rubber particles; 544. and a limiting hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Examples

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a novel amniotic fluid safety extraction device, including syringe 1, the surface upper portion joint of syringe 1 has coupling mechanism 2, coupling mechanism 2's surface left part interlude swing joint has syringe needle 3, the lower extreme of syringe needle 3 alternates fixedly connected with pjncture needle 4, the surface upper portion fixedly connected with fixed establishment 5 of pjncture needle 4, the surface lower part of syringe 1 alternates fixedly connected with fixed plate 6, the lower extreme middle part of syringe 1 alternates swing joint has piston rod 7, and piston rod 7 sets up to the I shape structure, a plurality of scale marks 8 are carved with in the front end middle part of syringe 1.

In this embodiment, the connecting mechanism 2 includes an extension tube 21, the right portion of the lower end of the extension tube 21 is fixedly inserted and connected with a first connector 22, the lower end of the first connector 22 is clamped and connected with the upper end of the injector 1, the left portion of the lower end of the extension tube 21 is fixedly inserted and connected with a second connector 23, the lower portion of the outer surface of the second connector 23 is movably inserted and connected with the middle portion of the upper end of the needle 3, and the left portion of the outer surface of the extension tube 21 is clamped and connected with a clip 24; extension pipe 21 sets up to rubber hose, first connector 22 sets up to the rubber material, rubber possesses elasticity, it is more firm to make to be connected between first connector 22 and the syringe 1, and first connector 22 sets up to the toper structure, first connector 22 has been strengthened the connection effect to syringe 1, a plurality of screw threads have all been carved with to the surface lower part of second connector 23 and the inside of syringe needle 3, be convenient for fix second connector 23 in syringe needle 3 through the screw thread, also be convenient for install the dismantlement to second connector 23.

In this embodiment, the fixing mechanism 5 includes a fixing cylinder 51, the upper part of the outer surface of the fixing cylinder 51 is movably connected with three positioning bolts 52 in a penetrating manner, and one ends of the three positioning bolts 52 far away from the fixing cylinder 51 are fixedly connected with handles 53, the lower end of the fixing cylinder 51 is fixedly connected with a fixing pad 54, and the fixing cylinder 51 is sleeved on the outer surface of the puncture needle 4; the fixing pad 54 comprises a pad plate 541, a fixing groove 542 is formed in the middle of the lower end of the pad plate 541, a plurality of rubber particles 543 are fixedly connected to the groove wall of the fixing groove 542, a limiting hole 544 is formed in the middle of the upper end of the pad plate 541, and the upper end of the pad plate 541 is fixedly connected with the lower end of the fixing cylinder 51; the fixed slot 542 is set up to the arc structure of indent, makes fixed slot 542 can laminate human belly, and the diameter length of spacing hole 544 is unanimous with the diameter length of pjncture needle 4, can be spacing with backing plate 541 on pjncture needle 4, makes backing plate 541 difficult the emergence rock, and the internal diameter length of a fixed section of thick bamboo 51 is greater than the diameter length of pjncture needle 4, is favorable to a fixed section of thick bamboo 51 to reciprocate on pjncture needle 4.

It should be noted that, the utility model relates to a novel amniotic fluid safety extraction device, in the use, when pjncture needle 4 pierces human belly, through fixed slot 542 and the contact of human belly on the backing plate 541, and increase backing plate 541 and human belly's frictional force through a plurality of rubber granule 543, the stability of backing plate 541 has been improved, then through rotating three handle 53, make three positioning bolt 52 carry out the centre gripping from three direction to piercing needle 4 and fix, can play the fixed action to piercing needle 4, the stability of pjncture needle 4 has been improved, make pjncture needle 4 difficult to take place about take out from, thereby can reduce pregnant woman's sense of pain, avoid appearing the condition that the amnion broke and the seepage, the effectual security that has improved, then be connected with syringe 1 through first connector 22, rethread second 23 is connected with syringe needle 3, can link together syringe 1 with pjncture needle 4 through extension pipe 21, and the extension pipe 21 that increases between syringe 1 and pjncture needle 4, but can improve the amniotic fluid collection device by the economic improvement amniotic fluid collection method, can offset the external force that the inertia through extension pipe 21 produces most, can reduce the problem of the effective villus collection efficiency of the reuse of the pjncture needle and reduce the problem of the hospital's operation increase of the trouble of the operation in the hospital, thereby can reduce the effective villus collection for the remaining amniotic fluid collection efficiency, the remaining man of the effective villus collection cost of the remaining operation increases.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel amniotic fluid safety extraction device, includes syringe (1), its characterized in that: the utility model discloses a syringe, including syringe (1), outer surface upper portion joint of syringe (1) has coupling mechanism (2), the surface left part interlude swing joint of coupling mechanism (2) has syringe needle (3), the lower extreme interlude fixedly connected with pjncture needle (4) of syringe needle (3), the surface upper portion fixedly connected with fixed establishment (5) of pjncture needle (4), the surface lower part of syringe (1) alternates fixedly connected with fixed plate (6), the lower extreme middle part interlude swing joint of syringe (1) has piston rod (7), and piston rod (7) set up to the I shape structure, a plurality of scale marks (8) are carved with in the front end middle part of syringe (1).

2. The novel amniotic fluid safety extraction device according to claim 1, characterized in that: coupling mechanism (2) are including extension pipe (21), the lower extreme right part of extension pipe (21) alternates the first connector of fixedly connected with (22), and the lower extreme of first connector (22) and the upper end joint of syringe (1), the lower extreme left part of extension pipe (21) alternates fixedly connected with second connector (23), and the surface lower part of second connector (23) and the upper end middle part of syringe needle (3) alternate swing joint, the surface left part joint of extension pipe (21) has clip (24).

3. The novel amniotic fluid safety extraction device according to claim 1, characterized in that: fixing mechanism (5) are including solid fixed cylinder (51), the surface upper portion of solid fixed cylinder (51) alternates swing joint and has three positioning bolt (52), and three positioning bolt (52) keep away from the equal fixedly connected with handle (53) of one end of solid fixed cylinder (51), the lower extreme fixedly connected with fixing pad (54) of solid fixed cylinder (51), gu fixed cylinder (51) cover is at the surface of pjncture needle (4).

4. A novel amniotic fluid safety extraction device according to claim 3, characterized in that: the fixing pad (54) comprises a pad plate (541), a fixing groove (542) is formed in the middle of the lower end of the pad plate (541), a plurality of rubber particles (543) are fixedly connected to the groove wall of the fixing groove (542), a limiting hole (544) is formed in the middle of the upper end of the pad plate (541), and the upper end of the pad plate (541) is fixedly connected with the lower end of the fixing barrel (51).

5. The novel amniotic fluid safety extraction device according to claim 2, wherein: the extension pipe (21) is arranged to be a rubber hose, the first connector (22) is arranged to be made of rubber, and a plurality of threads are carved on the lower portion of the outer surface of the second connector (23) and the inside of the needle head (3).

6. The novel amniotic fluid safety extraction device according to claim 4, wherein: the fixing groove (542) is of an inward concave arc structure, the diameter length of the limiting hole (544) is consistent with that of the puncture needle (4), and the inner diameter length of the fixing barrel (51) is larger than that of the puncture needle (4).