CN110101444A - Puerpera's fetal membrane rupture of membranes and amniotic fluid sample set composite - Google Patents
Puerpera's fetal membrane rupture of membranes and amniotic fluid sample set composite Download PDFInfo
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- CN110101444A CN110101444A CN201910470066.XA CN201910470066A CN110101444A CN 110101444 A CN110101444 A CN 110101444A CN 201910470066 A CN201910470066 A CN 201910470066A CN 110101444 A CN110101444 A CN 110101444A
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- cylinder
- membranes
- tube body
- rupture
- amniotic fluid
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
- A61B10/0048—Devices for taking samples of body liquids for taking amniotic fluid samples
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
- A61B17/4208—Instruments for rupturing the amniotic membrane
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Pathology (AREA)
- Gynecology & Obstetrics (AREA)
- Pregnancy & Childbirth (AREA)
- Reproductive Health (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The invention discloses a kind of puerpera's fetal membrane ruptures of membranes and amniotic fluid to sample set composite, including sliding the first cylinder, the second cylinder, rupture of membranes and the sampler for inserting connection, one end of second cylinder is equipped with piston plug, piston plug is closely slided with the first cylinder inboard wall to connect, piston plug is equipped with puncturing hole, and closing isolation film is equipped between piston plug and the nozzle of the second cylinder；Rupture of membranes and sampler include tube body, and tube body one end is connected with the pipe syringe needle that permeable puncturing hole is pierced by the outside of piston plug, and the pin hole of pipe syringe needle is communicated with tube cavity, and tube body is equipped with flexible supporting frames, and flexible supporting frames connect with the sliding of the second cylinder inboard wall.After amniotic membrane portion and fetus can be sucked away from by the present invention, then passes through pipe syringe needle and carry out rupture of membranes, it is not only easy to operate, but also the accidental injury to fetus can be effectively avoided, securely and reliably.While rupture of membranes, and the amniotic fluid in sheep blister cavities is extracted using tube body and pipe syringe needle, without other instruments, so that it may two operations are completed, it is easy to use.
Description
Technical field
The invention belongs to Later pregnant women midwifery and amniotic fluid sampling appliance technical fields, pregnant for advanced stage more particularly, to one kind
Be pregnent or full-term pregnancy pregnant woman's midwifery give a birth when carry out fetal membrane rupture of membranes and amniotic fluid sampling device.
Background technique
Innermost layer of the amnion as fetal membrane, in pregnant woman's body, fetus is in the blister cavities formed by the bag of waters, fills in blister cavities
Being full of has amniotic fluid, and fetus is suspended in the amniotic fluid of the bag of waters in the entire growth course of parent.When childbirth, fetal membrane ruptures in due course,
Childbirth could be completed, fetus is made smoothly to be detached from parent.Fetal membrane capsule has certain thickness and intensity, and when pregnant woman childbirth, fetal membrane is assorted
When it is broken, be difficult to determine；Some puerperas uterine contraction when natural labor is bad, needs to stimulate promotion uterine contraction by artificial rupture of membrane；
Midwifery doctor is usually used external force and opens fetal membrane capsule, with shortening labor in rupture of membranes, it is ensured that the smooth production of fetus and woman
Young safety.Fetal membrane capsule is usually drawn (cutting) through birth canal and is broken by existing rupture of membranes mode by midwifery doctor using sharp instruments such as syringe needles
One road junction.There are the problem of: first is that since birth canal is narrow, vision is difficult to observe judgement, and entirely with feel when operation, depth weight is not
It is good to grasp, it is inconvenient；Second is that since fetus is in childbirth, it is generally relatively close with fetal membrane capsule patch, with the sharp instruments such as syringe needle reality
It is light to cut cyst membrane when applying rupture of membranes, it has weighed and has been easy to accidentally injure fetus.And when delivery of fetus usually upside down, existing
Rupture of membranes mode is easy to injure fetus Head And Face, not only results in unnecessary maternal infuries, and the serious hair that also will affect the later period
It educates.Be again amniotic fluid sampling check be analysis fetal disease and development whether normal important means.Existing amniotic fluid examination is general
It is to carry out antenatal take a sample to check at the pregnancy period 16~22 weeks.Existing sampling mode is that doctor implements under the guidance of ultrasonic wave
Amniocentesis extracts, very troublesome and dangerous.In birth process, after rupture of membranes, amniotic fluid and pregnant woman's birth canal body fluid
Mixing, it is difficult to accurately obtain pure amniotic fluid sample, therefore, in production generally without sample examination and inspection, also be unfavorable for pair
The further inspection of fetal disease and development.
Summary of the invention
The technical problem to be solved in the present invention is to provide when a kind of pregnant woman childbirth, rupture of membranes safely and conveniently can be carried out to amnion
Midwifery, while the puerpera's fetal membrane rupture of membranes and amniotic fluid sampling set composite of not damaged amniotic fluid sampling can be carried out again.
In order to solve the above technical problems, the present invention includes the first cylinder, the second cylinder, second cylinder and the first cylinder
Inserting is simultaneously slidably connected, and one end of the second cylinder is equipped with piston plug, and the piston plug is closely slided with the first cylinder inboard wall
Connect, piston plug is equipped with puncturing hole, and closing isolation film is equipped between piston plug and the nozzle of the second cylinder；Described second
Set is inserted with rupture of membranes and sampler in vivo, and the rupture of membranes and sampler include tube body, and tube body one end is connected with permeable puncturing hole and wears
Out to the pipe syringe needle on the outside of piston plug, the pin hole of pipe syringe needle is communicated with tube cavity, and tube body is equipped with flexible supporting frames, elasticity
Support frame connects with the sliding of the second cylinder inboard wall.
Suction core is equipped in the tube body, the suction core is equipped with pumping piston head.
The tube body end is equipped with distance caging device, and the distance caging device includes the connection frame and spiral shell being threadedly coupled
Bar, connection frame are fastenedly connected with tube body, and the screw front end can connect with the first barrel tip.
The front end face of first cylinder is equipped with annular groove, is crimped with flexible rubber ring, the first barrel front end on the annular groove
Nozzle in be equipped with necking ring convex.
The pipe syringe needle is equipped with the wing being fastenedly connected therewith, and the puncturing hole is oblate to be correspondingly arranged with wing
Hole.
After adopting the above structure, since the present invention is equipped with sliding the first cylinder, the second cylinder, rupture of membranes and the sampling for inserting connection
Device.Rupture of membranes and sampler are equipped with tube body and pipe syringe needle, and tube body is equipped with flexible supporting frames, flexible supporting frames and the second cylinder inboard wall
Sliding connects.Present invention is mainly used for progress fetal membrane rupture of membranes midwifery and amniotic fluid when pregnant woman childbirth just before giving birth to sample.In use, can incite somebody to action
After fetal membrane part and fetus are sucked away from, then pass through pipe syringe needle and carry out rupture of membranes, it is not only easy to operate, but also can effectively avoid to fetus
It accidentally injures, securely and reliably.While rupture of membranes, and amniotic fluid in sheep blister cavities is extracted by birth canal using tube body and pipe syringe needle, not only kept away
Damage of the sheep chamber puncture to pregnant woman under B-ultrasound is exempted from, and can effectively prevent pregnant woman's body fluid and amniotic fluid is infected, has sampled
Accurately, be conducive to the further inspection chemical examination to fetus physiological status.Using same apparatus, without other instruments, so that it may
Two operations are completed, it is easy to use.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is overall structure of the present invention；
Fig. 2 is that the present invention cuts open schematic diagram；
Fig. 3 is that the first cylinder of the invention assembles schematic diagram；
Fig. 4 is that the second cylinder of the invention assembles schematic diagram；
Fig. 5 is that rupture of membranes and sampler of the present invention assemble schematic diagram；
Fig. 6 is inventive piston plug and syringe needle schematic diagram；
Fig. 7 is that the present invention uses schematic diagram.
Specific embodiment
Shown in referring to Figures 1 and 2, puerpera's fetal membrane rupture of membranes and amniotic fluid sampling set composite include: that socket cunning is plugged together
The first cylinder 1, the second cylinder 2, rupture of membranes and sampler 3.Second cylinder, 2 front end is plugged in the first cylinder 1, the second cylinder
2 end is equipped with the piston plug 21 of connection living, and piston plug 21 is closely slidably connected with 1 inner wall of the first cylinder, and piston is stifled
First 21 are equipped with puncturing hole 211.Second cylinder 2 has swabbing action, after 1 front port of the first cylinder is blocked, then pulls back
Dynamic second cylinder 2, can form certain negative pressure in 1 inner cavity front end of the first cylinder under the swabbing action of piston plug 21.It is broken
Film and sampler 3 include tube body 31 and the pipe syringe needle 32 for being connected to its front end, and tube body 31 is closely connect with pipe syringe needle 32, pipe needle
First 32 pin hole is communicated with 31 inner cavity of tube body, and 31 front end sleeve of tube body is equipped with flexible supporting frames 34, flexible supporting frames 34 and second
The sliding of 2 inner wall of body connects.Push-and-pull tube body 31 moves it along 2 inner cavity of the second cylinder, and pipe syringe needle 32 can pass through puncturing hole 211 and be pierced by
To 21 outside of piston plug, and enter in the first cylinder 1.In use, thorn fetal membrane capsule can be drawn by 31 control lead syringe needle 32 of tube body
Body is realized rupture of membranes midwifery, while can be introduced amniotic fluid in tube body 31 through pin hole by pipe syringe needle 32 again, realizes pollution-free amniotic fluid
Sampling solves the problems, such as that amniotic fluid sampling is difficult in birth process.
Referring to figs. 1 to embodiment shown in Fig. 3, the first cylinder 1 uses diameter for 25 millimeters of transparent plastic round tube, tube body
Necking ring convex 13 are equipped in the nozzle of front end.In use, when amniotic membrane portion is inhaled into 1 front end inner cavity of the first cylinder, necking ring
Convex 13 play the barrier effect of bayonet, are conducive to the rupture of membranes and sampling operation of next step.The front end face of first cylinder 1 is equipped with ring
Slot 11 is crimped with flexible rubber ring 12 on annular groove 11.In use, after the first cylinder 1 enters pregnant woman's birth canal and fetal membrane apical grafting, elasticity
Cushion rubber 12 is directly contacted with fetal membrane, and flexible rubber ring 12 can play a buffer role in, and not only avoids hard contact, is conducive to protect tire
Youngster, and attached convenient for the suction of fetal membrane.
Shown in referring to FIG. 1, FIG. 2 and FIG. 4, the second cylinder 2 of the invention is also made of transparent plastic tube, the second cylinder
2 with 1 inserting of the first cylinder and be slidably connected, the front end periphery of the second cylinder 2 is equipped with evagination 23, and movable sleeve is connected on front end
Piston plug 21.Piston plug 21 is made of rubber, and periphery is closely slided with 1 inner wall of the first cylinder to connect, piston plug
21 center location is equipped with puncturing hole 211；Closing isolation film 22, envelope are folded between piston plug 21 and the nozzle of the second cylinder 2
Closing isolation film 22 is disposable plastic film, and when the second cylinder 2 carries out pulling suction, it mainly plays closing isolation,
Not only it can guarantee and maintained the negative pressure in 1 ante-chamber of the first cylinder, but also the excessive of amniotic fluid can be prevented；Isolation film 22 is closed using primary
Afterwards, so that it may be replaced.
Referring to Fig.1, shown in Fig. 2 and Fig. 5, rupture of membranes and sampler 3 of the present invention includes tube body 31, pipe syringe needle 32 and suction core
33.Tube body 31 is equally fabricated to syringe-like using transparent plastic round tube, and pipe syringe needle 32 is closely plugged on 31 front end of tube body
Together, the pin hole of pipe syringe needle 32 is communicated with 31 inner cavity of tube body.31 front end of tube body is equipped with the flexible supporting frames 34 made by rubber, bullet
Property the sliding of support frame 34 and 2 inner wall of the second cylinder connect.After 2 grafting of tube body 31 and the second cylinder, tube body 31 can be along second
2 barrel chamber of body is flexibly retreated, and can be that fulcrum is shaken within the scope of certain angle, and then drives pipe needle with flexible supporting frames 34
First 32, which move ahead, punctures fetal membrane capsule and carries out reaming.It is equipped with rubber pumping piston head 331 on suction 33 end of core, in pipe syringe needle 32
It after being pierced into amnion, then pulls back and aspirates core 33, amniotic fluid can be quickly drawn into tube body 31.In this way, can be complete using same instrument
At rupture of membranes midwifery and amniotic fluid sterile sampling.It is equipped with distance caging device 4 in 31 end of tube body, the trip limiting device 4 includes spiral shell
The connection frame 41 and screw rod 42 of line connection, connection frame 41 are fastenedly connected with tube body 31.Embodiment illustrated in fig. 1, connection frame 41 and pipe
Body 31 is integral type, and 42 front end of screw rod can be with 1 joining distal ends of the first cylinder.In use, it is mainly to the forward distance of tube body 31
Position-limiting action is played, the excessively forward offside problem of bring pipe syringe needle 32 of tube body 31 can be prevented, it is ensured that rupture of membranes and sampling safety.
Referring to shown in Fig. 6, the needle point rear portion of pipe syringe needle 32 of the invention is equipped with the triangular knife that two panels is fastenedly connected therewith
The wing 321,321 two sides of wing are equipped with blade.When rupture of membranes, the needle point and wing 321 of pipe syringe needle 32 carry out thorn to cyst membrane jointly and cut, just
It is handled in the rupture of membranes of fetal membrane, it is easy to use.The puncturing hole 211 of piston plug 21 is the flat round hole being correspondingly arranged with wing 321, is had
Conducive to interspersed and to amniotic fluid the closing barrier of wing pipe syringe needle 32.
Referring to shown in Fig. 7, in the use of the present invention, adjusting the second cylinder 2, tube body 31, suction core 33 and limit spiral shell first
The relative position of bar 42 makes 2 front end face apical grafting of the second cylinder in 1 necking ring convex of the first cylinder, 13 inner face, adjusts tube body 31, make pipe
32 needle point of syringe needle is close to the puncturing hole 211 of piston plug 21, and 42 front end of Limit screw connects with 1 tail end of the first cylinder, suction
Piston head 331 is located at 31 inner end of tube body.Then, it holds the first cylinder 1 and front end multipara birth canal apical grafting of the present invention is being located at production
5 position of fetus in road junction, and 1 position of the first cylinder is adjusted, make its port and fetal membrane close proximity.The first cylinder 1 is withstood, together
When pull out the second cylinder 2, the intracavitary amniotic fluid 7 of fetal membrane 6 and membrane vesicle at 1 port of the first cylinder just under the action of negative pressure, quilt
Part is drawn into 1 port of the first cylinder, forms a secondary fetal membrane capsule 61, the pair fetal membrane capsule 61 by necking ring convex 13 effect,
It is connected in 1 port of the first cylinder.It pushes tube body 31 to move ahead again, so that pipe syringe needle 32 and wing 321 is pierced undercutting and enter the first cylinder 1
Interior secondary fetal membrane capsule 61, can smoothly complete rupture of membranes；Finally, pulling suction core 33 again, amniotic fluid is just inhaled into tube body 31, complete
At sampling.When rupture of membranes and sampling, syringe needle is in secondary fetal membrane capsule 61, has certain distance, safe ready with fetus.
Claims (5)
1. a kind of puerpera's fetal membrane rupture of membranes and amniotic fluid sample set composite, it is characterized in that including the first cylinder (1), the second cylinder (2),
Second cylinder (2) and the first cylinder (1) inserting are simultaneously slidably connected, and one end of the second cylinder (2) is equipped with piston plug (21),
The piston plug (21) is closely slided with the first cylinder (1) inner wall to be connected, and piston plug (21) is equipped with puncturing hole (211),
Closing isolation film (22) is equipped between piston plug (21) and the nozzle of the second cylinder (2)；Second cylinder (2) inner sleeve is inserted with brokenly
Film and sampler (3), the rupture of membranes and sampler (3) include tube body (31), and tube body (31) one end is connected with permeable puncturing hole
(211) pin hole of the pipe syringe needle (32) being pierced by the outside of piston plug (21), pipe syringe needle (32) is communicated with tube body (31) inner cavity, pipe
Body (31) is equipped with flexible supporting frames (34), and flexible supporting frames (34) connect with the sliding of the second cylinder (2) inner wall.
2. puerpera's fetal membrane rupture of membranes described in accordance with the claim 1 and amniotic fluid sample set composite, it is characterized in that the tube body (31)
Interior to be equipped with suction core (33), the suction core (33) is equipped with pumping piston head (331).
3. puerpera's fetal membrane rupture of membranes according to claim 1 or 2 and amniotic fluid sample set composite, it is characterized in that the tube body
(31) end is equipped with distance caging device (4), and the distance caging device (4) includes the connection frame (41) and screw rod being threadedly coupled
(42), connection frame (41) is fastenedly connected with tube body (31), and screw rod (42) front end can be with the first cylinder (1) joining distal ends.
4. puerpera's fetal membrane rupture of membranes described in accordance with the claim 1 and amniotic fluid sample set composite, it is characterized in that first cylinder
(1) front end face is equipped with annular groove (11), is crimped with flexible rubber ring (12) on the annular groove (11), the first cylinder (1) front end
Necking ring convex (13) are equipped in nozzle.
5. puerpera's fetal membrane rupture of membranes described in accordance with the claim 1 and amniotic fluid sample set composite, it is characterized in that the pipe syringe needle
(32) it is equipped with the wing (321) being fastenedly connected therewith, the puncturing hole (211) is oblate to be correspondingly arranged with wing (321)
Hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910470066.XA CN110101444A (en) | 2019-05-31 | 2019-05-31 | Puerpera's fetal membrane rupture of membranes and amniotic fluid sample set composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910470066.XA CN110101444A (en) | 2019-05-31 | 2019-05-31 | Puerpera's fetal membrane rupture of membranes and amniotic fluid sample set composite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110101444A true CN110101444A (en) | 2019-08-09 |
Family
ID=67493359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910470066.XA Withdrawn CN110101444A (en) | 2019-05-31 | 2019-05-31 | Puerpera's fetal membrane rupture of membranes and amniotic fluid sample set composite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110101444A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111693336A (en) * | 2020-06-23 | 2020-09-22 | 新乡医学院三全学院 | Fluid sampling device for pharmaceutical analysis |
| CN110652321B (en) * | 2019-10-14 | 2022-05-20 | 新乡市中心医院(新乡中原医院管理中心) | Amniotic fluid detection sampling device for obstetrics and gynecology department |
-
2019
- 2019-05-31 CN CN201910470066.XA patent/CN110101444A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110652321B (en) * | 2019-10-14 | 2022-05-20 | 新乡市中心医院(新乡中原医院管理中心) | Amniotic fluid detection sampling device for obstetrics and gynecology department |
| CN111693336A (en) * | 2020-06-23 | 2020-09-22 | 新乡医学院三全学院 | Fluid sampling device for pharmaceutical analysis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190809 |
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| WW01 | Invention patent application withdrawn after publication |