CN108562580A - A kind of uterine neck amniotic fluid PH prods - Google Patents
A kind of uterine neck amniotic fluid PH prods Download PDFInfo
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- CN108562580A CN108562580A CN201810448726.XA CN201810448726A CN108562580A CN 108562580 A CN108562580 A CN 108562580A CN 201810448726 A CN201810448726 A CN 201810448726A CN 108562580 A CN108562580 A CN 108562580A
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- motion bar
- plane
- barred body
- opening
- accommodating chamber
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N21/80—Indicating pH value
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The invention discloses a kind of uterine neck amniotic fluid PH prods, it is characterised in that：Including barred body, barred body is internally provided with accommodating chamber, motion bar is set in accommodating chamber, an opening is provided on barred body, barred body is provided with an open-work, motion bar one end is pierced by open-work, the other end of motion bar is provided with PH test paper, limited block is set on motion bar, ring gear is set inside accommodating chamber, tooth socket is arranged backwards to the side of opening in ring gear, tooth socket includes the first inclined-plane, it accommodates cavity wall and spacing ring is set, side setting skewed slot and straight trough of the spacing ring towards opening, skewed slot and straight trough replace and are evenly distributed on spacing ring circumferencial direction, skewed slot includes the second inclined-plane, it include third inclined-plane between skewed slot and straight trough, mounting plate is arranged in side of the motion bar towards opening, side of the mounting plate towards opening is provided with the first spring, spring one end connects on a mounting board, the other end and the receiving cavity wall of opening side contradict.The present invention saves the step of extraction secretion, and test result is with a high credibility.
Description
Technical field
The present invention relates to gynecological diagnosis instrument field, more particularly to a kind of uterine neck amniotic fluid PH prods.
Background technology
Amniotic fluid is a kind of liquid being present in the amniotic cavity of uterus, is the part for maintaining fetal life indispensable.
In addition to Confinement Time, pregnant woman acutely coughs in period of pregnancy, laugh suddenly or violent rage and does ass work etc., can
So that abdominal pressure is drastically increased, cause rupture of membranes, amniotic fluid is flowed out from uterine neck, or because of abnormal fetal position, contracted pelvis, head basin not phase
Title, hydramnion, multifetation etc. can be such that amnion cavity pressure increases, and it is early broken that amniotic fluid occurs.
Pregnant woman cannot differentiate amniotic fluid early broken or vagina itself secretion in time when the micro amniotic fluid of generation is early broken.
Currently, mainly early being broken to detect to be confirmed whether to occur amniotic fluid by testing the pH value of vagina secretion, just
The pH value of normal secretion is in acidity, and the pH value of amniotic fluid is in alkalinity.
It measures and usually requires first to contact secretion with tweezers gripping PH test paper, compared again with PH color contrast cards after discoloration,
It determines pH value, also has and first pick secretion with swab stick, then be put on PH test boards and measure.The major defect of these methods is：1、
PH test paper is mostly to pack, once opening packaging, PH test paper needs to be finished as early as possible, otherwise apt to deteriorate in air, also not
Health；2, it since secretion extracts and tests separately, completes to need two steps, take.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of to test amniotic fluid pH value at uterine neck
Prod,
To achieve the above object, the present invention provides following technical solutions：A kind of uterine neck amniotic fluid PH prods,
As a further improvement on the present invention, further include vaginal dilator, the vaginal dilator includes by the upper of hinged axis connection
Fixed plate is arranged in expanding plate and lower expanding plate, the lower expanding plate end, and the fixed plate is arranged backwards to the side of lower expanding plate
There are connecting cylinder, the connecting cylinder to be used to place barred body, through-hole is provided in the fixed plate, the through-hole is passed through for barred body,
Movable plate is arranged in the upper spread sheet end, and the movable plate is used to open expanding plate and lower expanding plate, and the fixed plate is separate
The side of articulated shaft is provided with buckle, and the buckle is for fixing movable plate.
As a further improvement on the present invention, the buckle is provided with several limiting slots, and the movable plate is far from hinged
One end setting of axis is fluted, and fixture block is placed in the groove, second spring, the spring one end are provided on the fixture block
It is connected to groove, the other end is connected on fixture block, and the fixture block is provided with for being embedded in limiting slot, on the card is fast for moving
The sliding block of fixture block.
As a further improvement on the present invention, it is coated with flexible glue layer outside the upper expanding plate and lower expanding plate, it is described soft
Glue-line is for reducing to vaginocutaneous stimulation.
As a further improvement on the present invention, PH color contrast cards are provided on the connecting cylinder.
As a further improvement on the present invention, one end that the motion bar is provided with PH test paper is in rugby ball shape.
As a further improvement on the present invention, it is provided with the first threaded hole on the connecting cylinder barrel, is provided on barred body
Several second threaded holes, first threaded hole and the second threaded hole are threaded with bolt simultaneously.
Barred body is had one end of opening to be positioned over by beneficial effects of the present invention when needing to survey the PH of uterine neck punishment secretion
In intravaginal, when opening is arrived at uterine neck, motion bar is pressed for the first time, and motion bar drives limited block to be removed from straight trough, with the
One inclined-plane contradicts, and motion bar axial rotation simultaneously continues to move to opening direction, until limited block moves into tooth along the first inclined-plane
Slot, while pressing motion bar for the first time, test paper removes accommodating chamber from opening, contacts with the secretion at uterine neck, takes for the first time
The force to disappear to motion bar, spring make motion bar be moved to spacing ring, drive limited block to be removed from tooth socket, are supported with the second inclined-plane
Touch, motion bar axial rotation simultaneously continue backwards to opening direction move, limiting slot along the second inclined-plane move until enter skewed slot, first
It is secondary while cancel to the force of motion bar, test paper moved to opening direction after still in accommodating chamber outside；At PH test paper and uterine neck
Secretion haptoreaction after, motion bar second is pressed, motion bar drives limited block to be removed from skewed slot, with next the
One inclined-plane contradicts, and motion bar axial rotation simultaneously continues to move to opening direction, until limited block enters along next first inclined-plane
Next tooth socket, while pressing for the second time motion bar, test paper is moved backwards to opening direction, and second of cancellation is to motion bar
Force, spring make motion bar be moved to spacing ring, and limited block is driven to be removed from next tooth socket, are contradicted with third inclined-plane, activity
Bar axial rotation simultaneously continues to move to spacing ring, and limiting slot is moved along third inclined-plane until entering straight trough, and second of cancellation is to work
While the force of lever, test paper enters accommodating chamber, enters accommodating chamber by test paper so that PH test paper not with vagina other positions
Secretion contact, the test result of PH test paper is protected, then barred body is removed from vagina, after barred body is located at human body outside, by the
Motion bar is pressed three times, reads the color change of PH to judge acid-base property, if PH colour developing results are in acid, the secretion at uterine neck
Object is the normal secretion of vagina itself, if PH colour developing results, in alkalinity, secretion is amniotic fluid, the present invention eliminates extraction
It is the step of secretion, time saving, and test result is with a high credibility.
Description of the drawings
Fig. 1 is sectional view of the PH test paper in accommodating chamber.
Fig. 2 is sectional view of the PH test paper outside accommodating chamber.
Fig. 3 is the enlarged view of buckle junction
In figure：1, barred body；2, accommodating chamber；3, motion bar；4, it is open；5, open-work；6, PH test paper 7, limited block；8, ring gear；
9, tooth socket；10, the first inclined-plane；11, spacing ring；12, skewed slot；13, straight trough；14, the second inclined-plane；15, third inclined-plane；16, it installs
Plate；17, the first spring；18, vaginal dilator；19, articulated shaft；20, upper expanding plate；21, lower expanding plate；22, fixed plate；23, it connects
Cylinder；24, through-hole；25, movable plate；26, buckle；27, limiting slot；28, groove；29, fixture block；30, second spring；31, sliding block；
32, PH color contrasts card；33, the first threaded hole；34 second threaded holes,；35, bolt.
Specific implementation mode
The present invention is described in further detail below in conjunction with the embodiment given by attached drawing.
Shown in Fig. 3, a kind of uterine neck amniotic fluid PH prods of the present embodiment, including barred body 1, in the barred body 1
Portion is equipped with accommodating chamber 2, is provided with motion bar 3 in the accommodating chamber 2, and there are one opening 4, the openings 4 for setting on the barred body 1
It is connected with accommodating chamber 2, the opening 4 is pierced by for motion bar 3, and the barred body 1 is provided with an open-work 5, and the open-work 5, which is placed, lives
Lever 3,3 one end of the motion bar are pierced by open-work 5, and the other end of the motion bar 3 is provided with PH test paper 6, on the motion bar 3
It is provided with limited block 7, the accommodating chamber 2 is internally provided with ring gear 8, and the ring gear 8 is provided with tooth socket 9 backwards to the side of opening 4,
The tooth socket 9 includes the first inclined-plane 10, after first inclined-plane 10 is contradicted for limited block 7 and the first inclined-plane 10,7 edge of limited block
First inclined-plane 10 enters tooth socket 9, and restraining position ring block 11, side of the spacing ring 11 towards opening 4 is arranged in 2 inner wall of the accommodating chamber
It is provided with skewed slot 12 and straight trough 13, the skewed slot 12 and straight trough 13 replace and are evenly distributed on 11 circumferencial direction of spacing ring,
The skewed slot 12 includes the second inclined-plane 14, after second inclined-plane 14 is contradicted for limited block 7 and the second inclined-plane 14, limited block 7
Enter skewed slot 12 along the second inclined-plane 14, include third inclined-plane 15 between the skewed slot 12 and straight trough 13, the third inclined-plane 15 is used
After limited block 7 and third inclined-plane 15 contradict, limited block 7 enters straight trough 13 along third inclined-plane 15.The motion bar 3 is towards opening
Mounting plate 16 is arranged in 4 side, and side of the mounting plate 16 towards opening 4 is provided with the first spring 17, the spring one end
It is connected on mounting plate 16, the other end and 2 wall of the accommodating chamber conflict for having 4 sides of opening, the spring is for keeping motion bar 3 to wear
Go out open-work 5.
Pass through above-mentioned technical proposal：When needing to survey the PH of uterine neck punishment secretion, there is one end of opening 4 to place barred body 1
In in intravaginal, when opening 4 is arrived at uterine neck, motion bar 3 is pressed for the first time, motion bar 3 drives limited block 7 to be moved from straight trough 13
Go out, contradicted with the first inclined-plane 10,3 axial rotation of motion bar simultaneously continues to move to 4 directions of opening, until limited block 7 is oblique along first
Face 10 moves into tooth socket 9, and while pressing motion bar 3 for the first time, PH test paper 6 removes accommodating chamber 2 from opening 4, at uterine neck
Secretion contact, cancel for the first time to the force of motion bar 3, spring makes motion bar 3 be moved to spacing ring 11, drives limited block
7 remove from tooth socket 9, are contradicted with the second inclined-plane 14, and 3 axial rotation of motion bar simultaneously continues backwards to the movement of 4 directions of opening, limiting slot
27 move along the second inclined-plane 14 until enter skewed slot 12, and while cancellation for the first time to the force of motion bar 3, PH test paper 6 is to opening
After the movement of mouthful 4 directions still in accommodating chamber 2 outside；After secretion haptoreaction at PH test paper 6 and uterine neck, to motion bar 3 second
Secondary pressing, motion bar 3 drive limited block 7 to be removed from skewed slot 12, are contradicted with next first inclined-plane 10, and motion bar 3 is axial to be turned
It moves and continues to move to 4 directions of opening, until limited block 7 enters next tooth socket 9 along next first inclined-plane 10, to motion bar
While 3 second of pressing, PH test paper 6 makes work backwards to the movement of 4 directions of opening, second of force cancelled to motion bar 3, spring
Lever 3 is moved to spacing ring 11, and limited block 7 is driven to be removed from next tooth socket 9, is contradicted with third inclined-plane 15, and motion bar 3 is axial
It rotates and continues to move to spacing ring 11, limiting slot 27 is moved along third inclined-plane 15 up to entering straight trough 13, second of cancellation pair
While the force of motion bar 3, PH test paper 6 enter accommodating chamber 2, pass through PH test paper 6 enter accommodating chamber 2 so that PH test paper 6 not with
The secretion of vagina other positions contacts, the test result of protection PH test paper 6, then barred body 1 is removed from vagina, and barred body 1 is located at
After human body is outer, motion bar 3 is pressed by third time, reads the color change of PH to judge acid-base property, the result if PH test paper 6 develops the color
In acidity, then the secretion at uterine neck is the normal secretion of vagina itself, if PH test paper 6 develops the color, result is secreted in alkalinity
Object is amniotic fluid, the present invention, eliminates the step of extracting secretion, time saving, and test result is with a high credibility.
Further include vaginal dilator 18 as a kind of improved specific implementation mode, the vaginal dilator 18 includes passing through articulated shaft
Fixed plate 22 is arranged in the upper expanding plate 20 and lower expanding plate 21 of 19 connections, 21 end of lower expanding plate, and the fixed plate 22 is carried on the back
The side of downward expanding plate 21 is provided with connecting cylinder 23, and the connecting cylinder 23 is arranged for placing barred body 1 in the fixed plate 22
There are through-hole 24, the through-hole 24 to be passed through for barred body 1, movable plate 25 is arranged in the upper spread sheet end, and the movable plate 25 is used for
Expanding plate 20 and lower expanding plate 21, side of the fixed plate 22 far from articulated shaft 19 are provided with buckle 26, the button in opening
Plate 26 is for fixing movable plate 25.
Pass through above-mentioned technical proposal：In the initial state, upper expanding plate 20 is closed with lower expansion, by upper expanding plate 20 under
Expanding plate 21 is positioned over introitus, passes through moving active plate 25 so that upper expanding plate 20 is opened with lower expanding plate 21, to expand
Vagina, then movable plate 25 is fixed by buckle 26, barred body 1 is positioned over inside connecting cylinder 23, and by through-hole 24, barred body 1 enters cloudy
Road.Pass through the setting of vaginal dilator 18 so that in detection process, barred body 1 is easier to reach at uterine neck.
As a kind of improved specific implementation mode, the buckle 26 is provided with several limiting slots 27, the movable plate
25 one end far from articulated shaft 19 are arranged fluted 28, are placed with fixture block 29 in the groove 28, are provided on the fixture block 29
Second spring 30, the spring one end are connected to groove 28, and the other end is connected on fixture block 29, and the fixture block 29 is limited for embedded
Position slot 27, it is described to block the sliding block 31 being provided on fast for moving fixture block 29.
Pass through above-mentioned technical proposal：In the initial state, upper expanding plate 20 is closed with lower expanding plate 21, and fixture block 29 is located at limit
In the slot 27 of position, when needing to open upper expanding plate 20 and lower expanding plate 21, by 28 direction of groove come the sliding block 31 that presses so that
Fixture block 29 is out of, limiting slot 27 moves to movable plate 25 groove 28, then moving active plate 25 so that fixture block 29 is directed at next limit
Position slot 27, then cancel the force to sliding block 31, pass through the elastic force of spring so that fixture block 29 is embedded in next limiting slot 27, at this time
Upper expanding plate 20 and lower state of the expansion in opening, by the above-mentioned means, need not manually exert a force can keep vaginal dilator 18
The state closed or opened, and it is easy to operate.
As a kind of improved specific implementation mode, flexible glue is coated with outside the upper expanding plate 20 and lower expanding plate 21
Layer, the flexible glue layer is for reducing to vaginocutaneous stimulation.
Pass through above-mentioned technical proposal：The ingredient of the flexible glue is TPR, and TPR is a kind of thermoplastic rubber material, does not need sulphur
Change, asepsis environment-protecting, and TPR is soft, can reduce the stimulation to skin.
As a kind of improved specific implementation mode, PH color contrasts card 32 is provided on the connecting cylinder 23.
Pass through above-mentioned technical proposal：After PH test paper 6 and secretion chromogenic reaction, compared with PH color contrasts card 32, it can be with
The pH value of secretion is soon obtained, entire detection process only needs a prod that can be completed at the same time sampling, detection and colorimetric.
As a kind of improved specific implementation mode, one end that the motion bar 3 is provided with PH test paper 6 is in rugby shape
Shape.
Pass through above-mentioned technical proposal：Rugby ball shape lines are soft, can conveniently stretch into extraction vaginal fluid at uterine neck,
Avoid injury vagina.
As a kind of improved specific implementation mode, the first threaded hole 33, barred body 1 are provided on 23 barrel of the connecting cylinder
On be provided with several the second threaded holes 34, first threaded hole, 33 and second threaded hole 34 is threaded with bolt simultaneously
35。
Pass through above-mentioned technical proposal：After barred body 1 is moved at uterine neck, the first threaded hole 33 is threadedly coupled by bolt 35
With the second threaded hole 34, play the role of fixed barred body 1, this fixed form is not easy to skid.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of uterine neck amniotic fluid PH prods, it is characterised in that：Including barred body (1), the barred body (1) is internally provided with accommodating chamber
(2), motion bar (3) is provided in the accommodating chamber (2), setting is there are one being open (4) on the barred body (1), the opening (4)
It is connected with accommodating chamber (2), the opening (4) is pierced by for motion bar (3), and the barred body (1) is provided with an open-work (5), described
Open-work (5) places motion bar (3), and described motion bar (3) one end is pierced by open-work (5), and the other end of the motion bar (3) is provided with
PH test paper (6PH) is provided with limited block (7) on the motion bar (3), and the accommodating chamber (2) is internally provided with ring gear (8), institute
It states ring gear (8) and the side of opening (4) is provided with tooth socket (9), the tooth socket (9) includes the first inclined-plane (10), and described first
After inclined-plane (10) is contradicted for limited block (7) with the first inclined-plane (10), limited block (7) enters tooth socket (9) along the first inclined-plane (10),
Accommodating chamber (2) the inner wall setting restraining position ring block (11), the side of the spacing ring (11) towards opening (4) is provided with skewed slot
(12) replace and be evenly distributed on spacing ring (11) circumferencial direction with straight trough (13), the skewed slot (12) and straight trough (13),
The skewed slot (12) includes the second inclined-plane (14), and second inclined-plane (14) contradicts for limited block (7) and the second inclined-plane (14)
Afterwards, limited block (7) enters skewed slot (12) along the second inclined-plane (14), includes third inclined-plane between the skewed slot (12) and straight trough (13)
(15), after the third inclined-plane (15) contradicts for limited block (7) with third inclined-plane (15), limited block (7) is along third inclined-plane
(15) enter straight trough (13).Side setting mounting plate (16) of the motion bar (3) towards opening (4), the mounting plate (16)
Side towards opening (4) is provided with the first spring (17), and the spring one end is connected on mounting plate (16), the other end with have
Accommodating chamber (2) wall of opening (4) side contradicts, and the spring is for keeping motion bar (3) to be pierced by open-work (5).
2. a kind of uterine neck amniotic fluid PH prods according to claim 1, it is characterised in that：Further include vaginal dilator (18), it is described
Vaginal dilator (18) includes the upper expanding plate (20) connected by articulated shaft (19) and lower expanding plate (21), the lower expanding plate (21)
Fixed plate (22) is arranged in end, and the fixed plate (22) is provided with connecting cylinder (23) backwards to the side of lower expanding plate (21), described
Connecting cylinder (23) is provided with through-hole (24), the through-hole (24) is used for barred body for placing barred body (1) on the fixed plate (22)
(1) it passes through, the upper spread sheet end setting movable plate (25), the movable plate (25) is used to open expanding plate (20) and lower expansion
Piece (21) is opened, side of the fixed plate (22) far from articulated shaft (19) is provided with buckle (26), and the buckle (26) is for solid
Determine movable plate (25).
3. a kind of uterine neck amniotic fluid PH prods according to claim 2, it is characterised in that：The buckle (26) is provided with several
A limiting slot (27), fluted (28) are arranged in the one end of the movable plate (25) far from articulated shaft (19), in the groove (28)
It is placed with fixture block (29), second spring (30) is provided on the fixture block (29), the spring one end is connected to groove (28), separately
One end is connected on fixture block (29), and the fixture block (29) is provided with for being embedded in limiting slot (27), on the card is fast for moving
The sliding block (31) of fixture block (29).
4. a kind of uterine neck amniotic fluid PH prods according to claim 2, it is characterised in that：The upper expanding plate (20) and lower expansion
It opens piece (21) and is coated with flexible glue layer outside, the flexible glue layer is for reducing to vaginocutaneous stimulation.
5. a kind of uterine neck amniotic fluid PH prods according to claim 2, it is characterised in that：It is provided on the connecting cylinder (23)
PH color contrasts card (32PH).
6. a kind of uterine neck amniotic fluid PH prods according to claim 1, it is characterised in that：The motion bar (3) is provided with PH
One end of test paper (6PH) is in rugby ball shape.
7. a kind of uterine neck amniotic fluid PH prods according to claim 1, it is characterised in that：It is set on connecting cylinder (23) barrel
It is equipped with the first threaded hole (33), several the second threaded holes (34), first threaded hole (33) and are provided on barred body (1)
Two threaded holes (34) while being threaded with bolt (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810448726.XA CN108562580A (en) | 2018-05-11 | 2018-05-11 | A kind of uterine neck amniotic fluid PH prods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810448726.XA CN108562580A (en) | 2018-05-11 | 2018-05-11 | A kind of uterine neck amniotic fluid PH prods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108562580A true CN108562580A (en) | 2018-09-21 |
Family
ID=63538314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810448726.XA Pending CN108562580A (en) | 2018-05-11 | 2018-05-11 | A kind of uterine neck amniotic fluid PH prods |
Country Status (1)
| Country | Link |
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| CN (1) | CN108562580A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111544724A (en) * | 2019-05-10 | 2020-08-18 | 华中科技大学同济医学院附属协和医院 | Multifunctional protector for tracheotomy tube |
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| CN107874791A (en) * | 2017-11-15 | 2018-04-06 | 江苏欧油品科技有限公司 | A kind of improvement type is easy to the Cerver biopsy tongs of force |
| CN208383724U (en) * | 2018-05-11 | 2019-01-15 | 温州市人民医院 | A kind of uterine neck amniotic fluid pH prod |
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|---|---|---|---|---|
| US5577512A (en) * | 1994-08-25 | 1996-11-26 | Caillouette; James C. | pH detection and measurement of body fluid |
| JP2005053196A (en) * | 2003-08-07 | 2005-03-03 | Mitsubishi Pencil Co Ltd | Knock type writing utensil and its retracting and extending mechanism |
| CN101883687A (en) * | 2007-08-20 | 2010-11-10 | 三菱铅笔株式会社 | Knock-type writing instrument with impact relaxing device |
| CN101703820A (en) * | 2009-12-02 | 2010-05-12 | 徐庆 | Vaginal dilator |
| CN203677132U (en) * | 2014-01-26 | 2014-07-02 | 青岛市市立医院 | Caul rupture detecting device |
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| CN205568983U (en) * | 2016-03-28 | 2016-09-14 | 南京沃福曼医疗科技有限公司 | Cervix sampler |
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| CN208383724U (en) * | 2018-05-11 | 2019-01-15 | 温州市人民医院 | A kind of uterine neck amniotic fluid pH prod |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111544724A (en) * | 2019-05-10 | 2020-08-18 | 华中科技大学同济医学院附属协和医院 | Multifunctional protector for tracheotomy tube |
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