CN206443739U - A kind of modified gynemetrics membrane puncture needle - Google Patents
A kind of modified gynemetrics membrane puncture needle Download PDFInfo
- Publication number
- CN206443739U CN206443739U CN201621024489.7U CN201621024489U CN206443739U CN 206443739 U CN206443739 U CN 206443739U CN 201621024489 U CN201621024489 U CN 201621024489U CN 206443739 U CN206443739 U CN 206443739U
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- China
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- piston cylinder
- fixed plate
- adjusting rod
- piston
- puncture needle
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Abstract
The utility model provides a kind of modified gynemetrics membrane puncture needle, belongs to gynicologycal medical instrument field.It solves existing film breaking unit and easily causes the problem of amniotic fluid is excessive.This modified gynemetrics membrane puncture needle includes piston cylinder and piston rod, also include the pricker being connected in piston cylinder front inner wall, also include fixed plate, portable plate and adjusting rod, fixed plate outer is connected with piston cylinder inwall, pricker is located between fixed plate and piston cylinder front end, fixed plate home position is vertically provided with perforation, adjusting rod is located in perforation, adjusting rod front end is connected with block, portable plate is fixed in rear end, and adjusting rod is coaxially disposed with piston cylinder, fixed plate is provided with some through holes along piston cylinder axial aperture, the compression spring that two ends offset with block and fixed plate leading flank respectively is cased with adjusting rod, compression spring promotes block, portable plate leading flank is set to be fitted with fixed plate trailing flank, and seal through hole.This membrane puncture needle is avoided that amniotic fluid is poured out, and can integrally collect amniotic fluid.
Description
Technical field
The utility model belongs to gynicologycal medical technique with the apparatus field, is related to a kind of modified gynemetrics membrane puncture needle.
Background technology
At present,, typically will be by artificial broken for active period uterine inertia and the difficult puerpera of uterine contraction in clinical obstetrics
The method of film helps to produce.Artificial rupture of membrane, exactly artificial mode, which is intervened, tears uteri position amnion, to observe amniotic fluid color,
Strengthen uterine contraction, accelerate progress of labor.In clinical manipulation, the general film breaking unit using syringe cylinder structure inhales amniotic fluid, but takes out broken
During film device, amniotic fluid is easily poured out, and causes infection, and cleaning amniotic fluid is also cumbersome, it is therefore necessary to be improved.
The content of the invention
The purpose of this utility model is can integrally to collect sheep there is provided one kind for the above-mentioned problems in the prior art
Water, and avoid collecting modified gynemetrics membrane puncture needle excessive after amniotic fluid.
The purpose of this utility model can be realized by following technical proposal：A kind of modified gynemetrics membrane puncture needle, including
Cylindric piston cylinder and the bar-shaped piston bar stretched into from piston tube rear end in piston cylinder, in addition to it is connected close to piston cylinder front end
Inwall on pricker, it is characterised in that：Also include circular fixed plate, circular shaped motion plate and shaft-like adjusting rod, fixed plate outer
It is connected with piston cylinder inwall, and close to piston cylinder front end, pricker is located between fixed plate and piston cylinder front end, fixed plate center of circle position
Put vertical provided with perforation, adjusting rod is located in perforation, adjusting rod front end is connected with block, described portable plate is fixed in rear end,
And adjusting rod is coaxially disposed with piston cylinder, fixed plate is provided with some through holes along piston cylinder axial aperture, adjusting rod and is cased with
The compression spring that two ends offset with block and fixed plate leading flank respectively, compression spring promote block, make portable plate leading flank with
Fixed plate trailing flank is fitted, and seals through hole, and stretchy piston rod, makes shape between piston rod front end, piston cylinder and fixed plate
Into negative pressure, and portable plate is driven to be separated with fixed plate, to open described through hole.
It will first be pushed into, close to piston cylinder front end, piston cylinder front end to be withstood into fetal membrane, piston rod of pulling back makes piston before piston rod
Negative pressure is formed between bar front end, piston cylinder and fixed plate, absorbed portion fetal membrane is driven, fetal membrane is encountered pricker and is punctured, continues to draw
Piston bar, drives portable plate to be separated with fixed plate, to open through hole, can afterwards be pressed smoothly inspiration of amniotic fluid into piston cylinder
Contracting spring can make movable sheet reset, to seal through hole, it is to avoid amniotic fluid is poured out, and can integrally collect amniotic fluid, while this membrane puncture needle can
To be adapted to various fetal membrane specifications.
In a kind of above-mentioned modified gynemetrics membrane puncture needle, fixed plate trailing flank is fixed with is coaxially disposed circle with piston cylinder
Tubular keeps off cylinder, and gear drum outer wall and inwall are arranged at intervals with piston cylinder inwall and portable plate outer respectively.
When portable plate fails, it is possible to use gear cylinder blocks part amniotic fluid, it is to avoid pour out.
In a kind of above-mentioned modified gynemetrics membrane puncture needle, fixed plate outer is bent to form outside horn-like flange, flange
Edge is connected with piston cylinder inwall, and flange outer is less than edge and piston cylinder front end distance in flange with piston cylinder front end distance.
Flange serves the effect that guiding amniotic fluid enters through hole.
In a kind of above-mentioned modified gynemetrics membrane puncture needle, described fixed plate is detachably connected with piston cylinder.
Therefore easy cleaning membrane puncture needle.
Compared with prior art, the utility model has the following advantages that：
It will first be pushed into, close to piston cylinder front end, piston cylinder front end to be withstood into fetal membrane, piston rod of pulling back makes piston before piston rod
Negative pressure is formed between bar front end, piston cylinder and fixed plate, absorbed portion fetal membrane is driven, fetal membrane is encountered pricker and is punctured, continues to draw
Piston bar, drives portable plate to be separated with fixed plate, to open through hole, can afterwards be pressed smoothly inspiration of amniotic fluid into piston cylinder
Contracting spring can make movable sheet reset, to seal through hole, it is to avoid amniotic fluid is poured out, and can integrally collect amniotic fluid, while this membrane puncture needle can
To be adapted to various fetal membrane specifications.
Brief description of the drawings
Fig. 1 is this membrane puncture needle sectional view.
In figure,
1st, piston cylinder；11st, pricker；
2nd, piston rod；
3rd, fixed plate；31st, through hole；32nd, cylinder is kept off；33rd, flange；34th, perforate；
4th, portable plate；41st, adjusting rod；42nd, compression spring；43rd, block.
Embodiment
The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model
Description, but the utility model is not limited to these embodiments.
As shown in figure 1, a kind of modified gynemetrics membrane puncture needle of the utility model, including cylindric piston cylinder 1 and from piston
The bar-shaped piston bar 2 that 1 rear end of cylinder is stretched into piston cylinder 1, in addition to the pricker being connected close on the inwall of the front end of piston cylinder 1
11, in addition to circular fixed plate 3, circular shaped motion plate 4 and shaft-like adjusting rod 41, the outer of fixed plate 3 is connected with the inwall of piston cylinder 1,
And close to the front end of piston cylinder 1, pricker 11 is located between fixed plate 3 and the front end of piston cylinder 1, and the home position of fixed plate 3 is vertically provided with
Perforation 34, adjusting rod 41 is located in perforation 34, and the front end of adjusting rod 41 is connected with block 43, and portable plate 4, and regulation are fixed in rear end
Bar 41 is coaxially disposed with piston cylinder 1, and fixed plate 3, which is provided with some through holes 31 along the axial aperture of piston cylinder 1, adjusting rod 41, to be covered
There is the compression spring 42 that two ends offset with block 43 and the leading flank of fixed plate 3 respectively, compression spring 42 promotes block 43, makes activity
The leading flank of plate 4 is fitted with the trailing flank of fixed plate 3, and seals through hole 31, and stretchy piston rod 2, makes the front end of piston rod 2, piston
Negative pressure is formed between cylinder 1 and fixed plate 3, and drives portable plate 4 to be separated with fixed plate 3, to open through hole 31.
Further, the trailing flank of fixed plate 3 is fixed with is coaxially disposed cylindric gear cylinder 32 with piston cylinder 1, keeps off the outer wall of cylinder 32
It is arranged at intervals respectively with the inwall of piston cylinder 1 and the outer of portable plate 4 with inwall.The outer of fixed plate 3 is bent to form horn-like flange 33,
The outer of flange 33 is connected with the inwall of piston cylinder 1, and the outer of flange 33 is less than edge and piston cylinder in flange 33 with the front end of piston cylinder 1 distance
1 front end distance.Fixed plate 3 is detachably connected with piston cylinder 1.
It will first be pushed into, close to the front end of piston cylinder 1, the front end of piston cylinder 1 to be withstood into fetal membrane, piston rod 2 of pulling back makes before piston rod 2
Negative pressure is formed between the front end of piston rod 2, piston cylinder 1 and fixed plate 3, absorbed portion fetal membrane is driven, fetal membrane is encountered pricker 11 and pierced
It is broken, piston rod 2 is pulled on, drives portable plate 4 to be separated with fixed plate 3, can be smoothly inspiration of amniotic fluid to work to open through hole 31
In plug tube 1, compression spring 42 can reset portable plate 4 afterwards, to seal through hole 31, it is to avoid amniotic fluid is poured out, and can integrally collect
Amniotic fluid, while this membrane puncture needle can be adapted to various fetal membrane specifications.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although more having used piston cylinder 1, pricker 11, piston rod 2, fixed plate 3, through hole 31, gear cylinder 32, flange herein
33rd, perforation 34, portable plate 4, adjusting rod 41, compression spring 42, the term such as block 43, but be not precluded from using other terms can
Can property.It is used for the purpose of more easily describing and explaining essence of the present utility model using these terms；It is construed as appointing
A kind of what additional limitation is all disagreed with the utility model spirit.
Claims (4)
1. a kind of modified gynemetrics membrane puncture needle, including cylindric piston cylinder (1) and stretch into piston cylinder from piston cylinder (1) rear end
(1) the bar-shaped piston bar (2) in, in addition to the pricker (11) being connected close on the inwall of piston cylinder (1) front end, its feature exist
In：Also include circular fixed plate (3), circular shaped motion plate (4) and shaft-like adjusting rod (41), fixed plate (3) outer and piston cylinder (1)
Inwall is connected, and close to piston cylinder (1) front end, pricker (11) is located between fixed plate (3) and piston cylinder (1) front end, fixed plate
(3) home position is vertically provided with perforation (34), and adjusting rod (41) is located in perforation (34), and adjusting rod (41) front end is connected with gear
Described portable plate (4) is fixed in block (43), rear end, and adjusting rod (41) is coaxially disposed with piston cylinder (1), and fixed plate is set on (3)
Have be cased with some through holes (31) along piston cylinder (1) axial aperture, adjusting rod (41) two ends respectively with block (43) and fixed
The compression spring (42) that plate (3) leading flank offsets, compression spring (42) promotes block (43), makes portable plate (4) leading flank and solid
Fixed board (3) trailing flank is fitted, and seals through hole (31), and stretchy piston rod (2), makes piston rod (2) front end, piston cylinder (1)
Negative pressure is formed between fixed plate (3), and drives portable plate (4) to be separated with fixed plate (3), to open described through hole (31).
2. a kind of modified gynemetrics membrane puncture needle according to claim 1, it is characterised in that：Fixed plate (3) trailing flank is solid
Surely have and be coaxially disposed cylindric gear cylinder (32) with piston cylinder (1), gear cylinder (32) outer wall and inwall respectively with piston cylinder (1) inwall and
Portable plate (4) outer is arranged at intervals.
3. a kind of modified gynemetrics membrane puncture needle according to claim 2, it is characterised in that：Fixed plate (3) outer is bent
Horn-like flange (33) is formed, flange (33) outer is connected with piston cylinder (1) inwall, before flange (33) outer and piston cylinder (1)
End distance is less than edge and piston cylinder (1) front end distance in flange (33).
4. a kind of modified gynemetrics membrane puncture needle according to claim 3, it is characterised in that：Described fixed plate (3) with
Piston cylinder (1) is detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621024489.7U CN206443739U (en) | 2016-08-31 | 2016-08-31 | A kind of modified gynemetrics membrane puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621024489.7U CN206443739U (en) | 2016-08-31 | 2016-08-31 | A kind of modified gynemetrics membrane puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206443739U true CN206443739U (en) | 2017-08-29 |
Family
ID=59662421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621024489.7U Expired - Fee Related CN206443739U (en) | 2016-08-31 | 2016-08-31 | A kind of modified gynemetrics membrane puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206443739U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009361A (en) * | 2018-07-18 | 2018-12-18 | 王艳芳 | A kind of woman's production operation membrane-repturing device |
| CN111407379A (en) * | 2020-03-19 | 2020-07-14 | 乔美云 | Obstetrical department is clinical with preventing outer flow rupture of membranes device |
| CN112370128A (en) * | 2020-11-15 | 2021-02-19 | 石门县人民医院 | Manual film rupture device for midwifery |
-
2016
- 2016-08-31 CN CN201621024489.7U patent/CN206443739U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009361A (en) * | 2018-07-18 | 2018-12-18 | 王艳芳 | A kind of woman's production operation membrane-repturing device |
| CN111407379A (en) * | 2020-03-19 | 2020-07-14 | 乔美云 | Obstetrical department is clinical with preventing outer flow rupture of membranes device |
| CN112370128A (en) * | 2020-11-15 | 2021-02-19 | 石门县人民医院 | Manual film rupture device for midwifery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170829 Termination date: 20180831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |