CN206499489U - Amniocentesis remaining needle sampler - Google Patents

Amniocentesis remaining needle sampler Download PDF

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Publication number
CN206499489U
CN206499489U CN201621339336.1U CN201621339336U CN206499489U CN 206499489 U CN206499489 U CN 206499489U CN 201621339336 U CN201621339336 U CN 201621339336U CN 206499489 U CN206499489 U CN 206499489U
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China
Prior art keywords
needle
conduit
needle tubing
amniocentesis
tubing
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CN201621339336.1U
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Chinese (zh)
Inventor
刘姣
雷先兰
钱碧霞
蓝小芳
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Lishui Maternal And Child Health Care Hospital
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Lishui Maternal And Child Health Care Hospital
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Abstract

The utility model patent discloses a kind of amniocentesis remaining needle sampler, spike body includes needle tubing and conduit, needle tubing is in conduit, needle tubing is made up of winding the needle tube and lower needle tubing, winding the needle tube external diameter is less than lower needle tubing external diameter, the junction of winding the needle tube and lower needle tubing constitutes outer round table surface, conduit is made up of upper conduit and downcomer, upper catheter diameter is less than downcomer internal diameter, the junction of upper conduit and downcomer constitutes interior round table surface, needle tubing is in conduit, and the outer round table surface of needle tubing and the interior round table surface of conduit are equipped;Catheter tip lateral surface is provided with guide frame, and guide frame section is followed successively by ramp, plane and lower inclined plane from top to bottom;The utility model can penetrate amniotic cavity, by soft catheter retaining in intracavitary, but can safe withdraw of the needle pipe and conduit be difficult to skid off, realize easily sampling;It is simple to operate time saving, prevent from damaging fetus, it is safe, mitigate pregnant woman's pain and pressure, while reducing doctor's operation difficulty, improve reliability.

Description

Amniocentesis remaining needle sampler
Technical field
The utility model belongs to technical field of medical instruments, is related to a kind of obstetrics' operation special product, and in particular to amnion Chamber indwelling needle sampler.
Background technology
At present, the amniocentesis technology that obstetrics use is widely used, and such as hydramnion need to puncture water of putting sheep out to pasture;It is antenatal Examination excessive risk pregnant woman need to extract amniotic fluid and make fetal cell inspection etc..Existing amniocentesis after routine disinfection drape, Under B ultrasound guiding, amniotic cavity is vertically penetrated through stomach wall with puncture needle, is successfully entered after amniotic cavity with conventional disposable lOml injections 3 manual withdrawal amniotic fluid of device, about 20ml~30ml, makees coherence check, takes about 30 minutes altogether.Because puncture needle is elongated, pressure It should not grasp and unstable, easily left and right teeters puncture needle, be very easy to shift up and down, because fetus in vivo can It is dynamic, the damage of fetus is thus easily caused, and puncture needle is easily sliding out amniotic cavity, need secondary puncture sometimes, increase infection, Miscarriage and the risk of damage, also increase the pain of patient.For operator, waste time and energy, high is required to patient.
Therefore, it is contemplated that replace puncture needle to do amniocentesis with indwelling needle;But one, sheep are there is here Membrane cavity is that longitudinal grin flesh and striated muscle are interlaced, therefore is not easy to be punctured by conventional indwelling needle, and soft puncture is stayed Wire guide is put to be retained in amniotic cavity;Exist simultaneously due to normal physiological activity, belly can be moved, soft puncture indwelling There is the problem of skidding off amniotic cavity in wire guide.
Utility model content
The purpose of this utility model is in order to overcome the shortcomings of that above-mentioned prior art is present, and the purpose of this utility model is to carry For a kind of amniocentesis remaining needle sampler, amniotic cavity can be penetrated, by soft catheter retaining in intracavitary, can be moved back safely again Needle tubing and conduit is difficult to skid off, realizes easily sampling;It is simple to operate time saving, prevent from damaging fetus, it is safe, and substantially mitigate Pregnant woman's pain and pressure, while reducing doctor's operation difficulty, improve reliability.
In order to realize above-mentioned target, the utility model is adopted the following technical scheme that:
Amniocentesis remaining needle sampler, including body, described body include sampling mechanism and collecting mechanism, institute The sampling mechanism stated includes spike body and threeway, and described spike body is located at threeway top, described collecting mechanism connection In threeway side wall, described spike body includes nook closing member, needle tubing and conduit, and described nook closing member is in needle tubing, described needle tubing In conduit, described needle tubing is made up of winding the needle tube and lower needle tubing, and described winding the needle tube external diameter is less than lower needle tubing external diameter, described The junction of winding the needle tube and lower needle tubing constitute outer round table surface, described conduit is made up of upper conduit and downcomer, and described is upper Catheter diameter is less than downcomer internal diameter, and described upper conduit and the junction of downcomer constitute interior round table surface, and described needle tubing is set In in conduit, needle tubing stretches out from conduit top, and the outer round table surface of needle tubing and the interior round table surface of conduit are equipped.
Further, described downcomer internal diameter is more than described lower needle tubing external diameter, and described lower needle tubing external diameter is more than described Upper catheter diameter.
Further, described catheter tip lateral surface is provided with guide frame, described guide frame section from top to bottom according to Secondary is ramp, plane and lower inclined plane, and described ramp biassed fabric from inside to outside, described lower inclined plane is tiltedly tied from outside to inside Structure, described plane top is connected with being connected below ramp above described planar lower and lower inclined plane.
Further, described catheter tip side wall is provided with secondary orifices.
Further, described needle tubing side wall is provided with side opening, and described side opening is located in threeway.
Further, described threeway lower inside, which is provided with to be provided with outside batching pig, described batching pig, holds needle handle;Described Needle tubing bottom is connected with holding needle handle, and described nook closing member bottom is connected with needle core handle, and described needle handle of holding detachably connects with needle tubing handle Connect.
Further, described needle handle bottom of holding is provided with recess, and described needle core handle top sets projection.
Further, the conduit is made up of medical plastic, and the needle tubing is made up of steel material, and the nook closing member is by steel material Material is made.
Further, described collecting mechanism includes collection flexible pipe, flow regulator, pipe close puncture needle, negative-pressure collecting tube;Adopt Collection flexible pipe one end is connected to threeway side wall, and the collection flexible pipe other end is connected in the end of pipe close puncture needle, before pipe close puncture needle Hold as cutting tip, puncture connection negative-pressure collecting tube;The collection flexible pipe is provided with flow regulator.
Compared with prior art, the beneficial effects of the utility model are:The utility model indwelling needle sampler, energy Penetrate amniotic cavity, by soft catheter retaining in intracavitary, and can safe withdraw of the needle pipe and conduit be difficult to skid off, realize easily sampling; It is simple to operate time saving, prevent from damaging fetus, it is safe, mitigate pregnant woman's pain and pressure, while reducing doctor's operation difficulty, carry High reliability.
Brief description of the drawings
Fig. 1 is body construction schematic diagram of the present utility model.
Fig. 2 is sampling mechanism structural representation of the present utility model.
Fig. 3 is guide-tube structure schematic diagram of the present utility model.
Fig. 4 is needle tubing structural representation of the present utility model.
Fig. 5 is nook closing member structural representation of the present utility model.
Fig. 6 is spike body apex structure schematic diagram of the present utility model.
Fig. 7 is catheter tip structural representation of the present utility model.
Fig. 8 is needle tubing apex structure schematic diagram of the present utility model.
In figure:1-needle tubing, 2-conduit, 3-threeway, 4-batching pig, 5-holding needle handle, 6-needle core handle, 7-gather soft Pipe, 8-flow regulator, 9-pipe close puncture needle, 10-negative-pressure collecting tube, 11-sheath, 12-nook closing member;1.1-winding the needle tube, 1.2-lower needle tubing, 1.3-outer round table surface, 1.10-side opening, 2.1-upper conduit, 2.2-downcomer, 2.3-interior round table surface, 2.4-ramp, 2.5-plane, 2.6-lower inclined plane, 2.7-secondary orifices, 5.1-recess, 6.1-projection.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples:
Referring to Fig. 1~Fig. 8, amniocentesis remaining needle sampler of the present utility model, including body, described body Including sampling mechanism and collecting mechanism, described sampling mechanism includes spike body and threeway 3, and described spike body is located at three Logical 3 tops, described collecting mechanism is connected to the side wall of threeway 3, and described spike body includes nook closing member 12, needle tubing 1 and conduit 2, Described nook closing member 12 is in needle tubing 1, and described needle tubing 1 is in conduit 2, and described needle tubing 1 is by winding the needle tube 1.1 and lower needle tubing 1.2 are constituted, and the described external diameter of winding the needle tube 1.1 is less than the lower external diameter of needle tubing 1.2;The connection of described winding the needle tube 1.1 Yu lower needle tubing 1.2 Place constitutes outer round table surface 1.3, and described conduit 2 is made up of upper conduit 2.1 and downcomer 2.2, and the described internal diameter of upper conduit 2.1 is small In the internal diameter of downcomer 2.2, described upper conduit 2.1 and the junction of downcomer 2.2 constitute interior round table surface 2.3, described needle tubing 1 In conduit 2, needle tubing 1 is stretched out from the top of conduit 2, and the outer round table surface 1.3 of needle tubing 1 is equipped with the interior round table surface 2.3 of conduit 2, Puncture amniotic cavity when, the outer round table surface 1.3 of needle tubing 1 can apply the power pushed away forward to the interior round table surface 2.3 of conduit 2, more added with Enter amniotic cavity together with needle tubing 1 beneficial to conduit 2.The internal diameter of downcomer 2.2 be more than the described external diameter of lower needle tubing 1.2, it is described under The external diameter of needle tubing 1.2 is more than the described internal diameter of upper conduit 2.1 so that in the insertion conduit 2 of needle tubing 1 so that the outer round table surface of needle tubing 1 1.3 can apply the power pushed away forward to the interior round table surface 2.3 of conduit 2, in order to avoid conduit 2 is punctured toward retrolisthesis, during withdraw of the needle pipe 1, Easily move back.Sheath 11 is provided with outside described spike body, described sheath 11 is longer than spike body, plays protection spike body And the effect of Anti-stabbing, described body exterior of the present utility model is provided with polybag, is the medical plastic of detachable both ends open Pocket.
The described top lateral surface of conduit 2 is provided with guide frame, and described guide frame section is followed successively by from top to bottom Inclined-plane 2.4, plane 2.5 and lower inclined plane 2.6.Described ramp 2.4 biassed fabric from inside to outside, during puncture, conduit 2 is with needle tubing 1 The resistance for inserting amniotic cavity can be smaller, is more prone to insert, and shortens the puncture time;Described lower inclined plane 2.6 is oblique from outside to inside Structure, sampling is finished, and the resistance that conduit 2 extracts amniotic cavity can be smaller, is more prone to pull out, and mitigates pregnant woman's pain;Institute The top of plane 2.5 stated is connected below with ramp 2.4, and the described bottom of plane 2.5 is connected above with lower inclined plane 2.6, can be protected Conduit is demonstrate,proved in amniotic cavity, will not can be moved due to normal physiological activity, belly, soft conduit, which exists, skids off amniotic cavity.
The described tip side wall of conduit 2 is provided with secondary orifices 2.7, and when the front end main opening of conduit 2 is blocked, secondary orifices 2.7 can be with Work on.The described side wall of needle tubing 1 is provided with side opening 1.10, and described side opening 1.10 is located in threeway 3, when puncturing in place, sheep Water flows into threeway 3 by side opening 1.10, points out to puncture successfully.
The described lower inside of threeway 3 is provided with batching pig 4, punctures in place, when extracting needle tubing, automatic-sealed;It is described every It is provided with from the outside of plug 4 and holds needle handle 5;The described bottom of needle tubing 1 is connected with holding needle handle 5, and the described bottom of nook closing member 12 connects with needle core handle 6 Connect, described needle handle 5 of holding is detachably connected with needle tubing handle 6.Described holds the bottom of needle handle 5 provided with recess 5.1, described needle core handle 6 tops set projection 6.1, and described needle handle of holding is connected by the projection 6.1 of recess 5.1 and needle tubing handle.
The conduit 2 is made up of medical plastic, and the needle tubing 1 is made up of steel material, and the nook closing member 11 is by steel material It is made.
Described collecting mechanism includes collection flexible pipe 7, flow regulator 8, pipe close puncture needle 9, negative-pressure collecting tube 10;Collection The one end of flexible pipe 7 is connected to the side wall of threeway 3, and the collection other end of flexible pipe 7 is connected in the end of pipe close puncture needle 9, pipe close puncture needle 9 Front end is cutting tip, punctures connection negative-pressure collecting tube 10;The collection flexible pipe 7 is provided with flow regulator 8, plays regulation amniotic fluid The effect of sample rate.
Amniocentesis remaining needle sampler of the present utility model, when in use, including following operating procedure:
Step one:To first the flow regulator 8 on flexible pipe 7 be gathered, be set to off closed state;
Step 2:The spike body of sampler is taken out from sheath 11;
Step 3:It is accurately positioned after point of puncture, the spike body of sampler is punctured and entered in amniotic cavity;
Step 4:Hold needle core handle 6 and extract nook closing member 12, there is amniotic fluid to overflow explanation and puncture successfully;
Step 5:The needle tubing 1 of sampler is extracted, by the indwelling of conduit 2 in amniotic cavity;
Step 6:Collection flexible pipe 7 and the puncture conduit 2 for exposing to skin surface are fixed on skin table with Surgidressing Face;
Step 7:Flow regulator 8 is opened, collection flexible pipe and the collection sheep of negative-pressure collecting tube 4 positioned at the side wall connection of threeway 4 Water.
The utility model indwelling needle sampler, can penetrate amniotic cavity, by soft catheter retaining in intracavitary, and energy Safe withdraw of the needle pipe and conduit is difficult to skid off, realizes easily sampling;It is simple to operate time saving, prevent from damaging fetus, it is safe and bright It is aobvious to mitigate pregnant woman's pain and pressure, while reducing doctor's operation difficulty, improve reliability.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It may be appreciated other embodiment.

Claims (9)

1. amniocentesis remaining needle sampler, it is characterised in that including body, described body includes sampling mechanism and receipts Collecting mechanism, described sampling mechanism includes spike body and threeway, and described spike body is located at threeway top, described collection Mechanism is connected to threeway side wall, and described spike body includes nook closing member, needle tubing and conduit, and described nook closing member is in needle tubing, institute The needle tubing stated is in conduit, and described needle tubing is made up of winding the needle tube and lower needle tubing, and described winding the needle tube external diameter is less than lower needle tubing External diameter, the junction of described winding the needle tube and lower needle tubing constitutes outer round table surface, and described conduit is made up of upper conduit and downcomer, Described upper catheter diameter is less than downcomer internal diameter, and described upper conduit and the junction of downcomer constitute interior round table surface, needle tubing Stretched out from conduit top, the outer round table surface of needle tubing and the interior round table surface of conduit are equipped.
2. amniocentesis remaining needle sampler according to claim 1, it is characterised in that described downcomer internal diameter More than described lower needle tubing external diameter, described lower needle tubing external diameter is more than described upper catheter diameter.
3. amniocentesis remaining needle sampler according to claim 1, it is characterised in that outside described catheter tip Side is provided with guide frame, and described guide frame section is followed successively by ramp, plane and lower inclined plane from top to bottom, and described is upper Inclined-plane biassed fabric from inside to outside, described lower inclined plane biassed fabric from outside to inside, described plane top with being connected below ramp, Connected above described planar lower and lower inclined plane.
4. amniocentesis remaining needle sampler according to claim 1, it is characterised in that described catheter tip side Wall is provided with secondary orifices.
5. amniocentesis remaining needle sampler according to claim 1, it is characterised in that described needle tubing side wall is set There is side opening, described side opening is located in threeway.
6. amniocentesis remaining needle sampler according to claim 1, it is characterised in that in described threeway bottom Side, which is provided with to be provided with outside batching pig, described batching pig, holds needle handle;Described needle tubing bottom is connected with holding needle handle, described nook closing member Bottom is connected with needle core handle, and described needle handle of holding is detachably connected with needle tubing handle.
7. amniocentesis remaining needle sampler according to claim 6, it is characterised in that described holds needle handle bottom Provided with recess, described needle core handle top sets projection, and described needle handle of holding is connected by recess with the male cooperation of needle tubing handle.
8. amniocentesis remaining needle sampler according to claim 1, it is characterised in that the conduit is by medical plastic Material is made, and the needle tubing is made up of steel material, and the nook closing member is made up of steel material.
9. amniocentesis remaining needle sampler according to claim 1, it is characterised in that described collecting mechanism bag Include collection flexible pipe, flow regulator, pipe close puncture needle, negative-pressure collecting tube;Collection flexible pipe one end is connected to threeway side wall, gathers soft The pipe other end is connected with the end of pipe close puncture needle, and the front end of pipe close puncture needle is cutting tip, cutting tip connection negative-pressure collecting tube; The collection flexible pipe is provided with flow regulator.
CN201621339336.1U 2016-12-08 2016-12-08 Amniocentesis remaining needle sampler Active CN206499489U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621339336.1U CN206499489U (en) 2016-12-08 2016-12-08 Amniocentesis remaining needle sampler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621339336.1U CN206499489U (en) 2016-12-08 2016-12-08 Amniocentesis remaining needle sampler

Publications (1)

Publication Number Publication Date
CN206499489U true CN206499489U (en) 2017-09-19

Family

ID=59843839

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621339336.1U Active CN206499489U (en) 2016-12-08 2016-12-08 Amniocentesis remaining needle sampler

Country Status (1)

Country Link
CN (1) CN206499489U (en)

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