CN114404004A - Multifunctional amnion forceps - Google Patents
Multifunctional amnion forceps Download PDFInfo
- Publication number
- CN114404004A CN114404004A CN202210162937.3A CN202210162937A CN114404004A CN 114404004 A CN114404004 A CN 114404004A CN 202210162937 A CN202210162937 A CN 202210162937A CN 114404004 A CN114404004 A CN 114404004A
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- CN
- China
- Prior art keywords
- arm
- connecting lever
- arc
- clamp
- upper connecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 210000001691 amnion Anatomy 0.000 title claims abstract description 15
- 238000003780 insertion Methods 0.000 claims description 18
- 230000037431 insertion Effects 0.000 claims description 18
- 230000004323 axial length Effects 0.000 claims description 6
- 238000001802 infusion Methods 0.000 claims description 4
- 210000001519 tissue Anatomy 0.000 abstract description 5
- 210000004381 amniotic fluid Anatomy 0.000 description 8
- 238000012546 transfer Methods 0.000 description 6
- 210000004291 uterus Anatomy 0.000 description 6
- 210000001215 vagina Anatomy 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 210000004379 membrane Anatomy 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002826 placenta Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/303—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the vagina, i.e. vaginoscopes
-
- 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
Abstract
The invention provides a multifunctional amniocentus clamp, which comprises a first clamp arm, a second clamp arm, a first arc-shaped supporting plate, a second arc-shaped supporting plate and a hinge cylinder, wherein the first clamp arm comprises a front upper connecting lever, a first inclined arm and a rear lower connecting lever, the second clamp arm comprises a front lower connecting lever, a second inclined arm and a rear upper connecting lever, hinge shafts are arranged on the left inner wall and the right inner wall of the hinge cylinder, the first inclined arm and the second inclined arm are respectively hinged on the corresponding hinge shafts in a pitching mode, the first arc-shaped supporting plate and the second arc-shaped supporting plate are buckled together to form a jack when the front upper connecting lever and the front lower connecting lever are horizontal, and a splicing space is defined by the hinge shafts of the first inclined arm and the second inclined arm. According to the multifunctional amniotic forceps, the tail ends of the upper rear crank arm and the lower rear crank arm are opened timely according to observation requirements, so that the first arc-shaped support plate and the second arc-shaped support plate are opened, tissues influencing observation or treatment and part of amniotic membrane are opened, and observation and treatment are facilitated.
Description
Technical Field
The invention relates to a medical appliance, in particular to a multifunctional amnion clamp.
Background
The amnion is because the inside parcel amniotic fluid, it is soft relatively, in the prior art, basically lean on B ultrasonic to observe the amnion, the limitation is relatively big, to the condition of amnion itself and with the peripheral tissue between the condition lack the understanding means, the reason is that the endoscope deepens into the cervical depths, because the amnion is softer, block the camera lens easily, inconvenient observation, in addition, if extract amniotic fluid further to detect also be difficult point, for example meet the cervical maturity when not enough, artifical rupture of membranes operation difficulty, can fail even, still traditional manual measurement cervical length and the cervical degree subjectivity of opening are stronger.
How to conveniently observe the condition between the amnion and the peripheral tissue is a technical problem which needs to be solved urgently in the prior art.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the technical scheme that:
a multifunctional amniocentus forceps comprises a first forceps arm, a second forceps arm, a first arc-shaped supporting plate arranged at the front end of the first forceps arm, a second arc-shaped supporting plate arranged at the front end of the second forceps arm and a hinge cylinder, wherein the first forceps arm comprises a front upper connecting lever, a first oblique arm connected with the front upper connecting lever and a rear lower connecting lever connected with the first oblique arm, the second forceps arm comprises a front lower connecting lever, a second oblique arm connected with the front lower connecting lever and a rear upper connecting lever connected with the second oblique arm, hinge shafts are arranged on the left inner wall and the right inner wall of the hinge cylinder, the first oblique arm and the second oblique arm are respectively hinged on the corresponding hinge shafts in a pitching manner, the first arc-shaped supporting plate and the second arc-shaped supporting plate are buckled together to form a jack when the front upper connecting lever and the front lower connecting lever are both horizontal, two hinge shafts of the first oblique arm and the second oblique arm enclose a splicing space, when the front upper connecting lever and the front lower connecting lever are both horizontal, a gap is formed between the front upper connecting lever and the inner wall of the hinge cylinder above the front upper connecting lever and the rear upper connecting lever, and movable gaps are formed between the front lower crank arm and the inner wall of the hinge barrel below the front lower crank arm and between the rear lower crank arm and the inner wall of the hinge barrel below the front lower crank arm and the rear lower crank arm in the vertical direction.
Preferably, a guide tube is fixed in the insertion space and fixed on the two hinge shafts.
Preferably, the axial length of the guide tube is longer than the axial length of the articulation barrel.
Preferably, scales are arranged on the front upper crank arm of the first clamp arm, the rear upper crank arm of the second clamp arm and the top of the hinge cylinder.
Preferably, the rear end of the rear upper connecting lever and the rear end of the rear lower connecting lever are respectively provided with a cross rod, spring fixing seats are oppositely arranged on the upper cross rod and the lower cross rod on the same side, a pressure spring is arranged on one group of spring fixing seats, and when the pressure spring is in a natural state, the front upper connecting lever and the front lower connecting lever are in a horizontal state.
Preferably, the bottom of the rear upper connecting lever of the second tong arm is provided with a graduated scale, and the lower end of the graduated scale is inserted into the rear lower connecting lever of the first tong arm.
Preferably, an endoscope insertion tube is slidably disposed in the guide tube, and an endoscope is provided at a distal end portion of the endoscope insertion tube.
Preferably, a sampler is arranged on one side of the endoscope.
Preferably, one side of the endoscope is provided with a syringe needle which is fixed at the front end of the endoscope insertion tube and is connected with the front end of an infusion tube in the endoscope insertion tube, and the tail part of the infusion tube is connected with the syringe.
When the multifunctional amniotic clamp is used, a plurality of tubular treatment devices can be inserted from the insertion space and reach the insertion holes, then the amniotic clamp is inserted from the vagina until the amniotic clamp reaches the uterine amniotic membrane, and the tail ends of the rear upper crank arm and the rear lower crank arm are opened in due time according to the observation requirement, so that the first arc-shaped support plate and the second arc-shaped support plate are opened, the tissue influencing the observation or treatment and part of the amniotic membrane are opened, and the observation and treatment are convenient.
Furthermore, the guide tube is fixed in the insertion space, so that the insertion and the restriction of the treatment instrument can be better guided, and the longer the length is, the wider the application range is, and the lower the requirement on the hardness of the tubular treatment instrument is.
Furthermore, scales are arranged on the front upper crank arm of the first forceps arm, the rear upper crank arm of the second forceps arm and the top of the hinge cylinder, so that a doctor can conveniently observe the depth of the multifunctional amniotic forceps inserted into the vagina and the uterus, and the lengths of the vagina and the uterus can be conveniently estimated.
Furthermore, after the cross rod, the spring fixing seat and the pressure spring are arranged, when the first arc-shaped supporting plate and the second arc-shaped supporting plate do not need to be opened, the front upper connecting lever and the front lower connecting lever are in a horizontal state under the pushing of the pressure spring, and the first arc-shaped supporting plate and the second arc-shaped supporting plate are restored to a closed state.
Furthermore, the bottom of connecting lever sets up the scale on the back of second tong arm, the lower extreme of scale is pegged graft in the back lower connecting lever of first tong arm, as long as measure the articulated shaft to the distance of first arc front end and scale position, after simple geometric conversion, set up suitable scale on the scale, direct scale reads out the open size of first arc fagging and second arc fagging front end just can be when using, thereby estimate cervical open-ended size, and is very convenient.
Furthermore, an endoscope insertion tube is arranged in the guide tube in a sliding mode, and an endoscope is arranged at the front end portion of the endoscope insertion tube, so that the amnion and the uterus can be conveniently and optically observed, and the visual observation is more visual.
Furthermore, one side of the endoscope is provided with a syringe needle which is fixed at the front end of the endoscope insertion tube and is connected with the front end of a liquid conveying tube in the endoscope insertion tube, and the tail part of the liquid conveying tube is connected with the syringe, so that amniotic fluid in the amnion can be sucked as required under the auxiliary observation of the endoscope for detection and judgment.
Drawings
Figure 1 is a schematic structural diagram of an amniotic clamp in an embodiment of the invention.
Fig. 2 is a schematic top view of the first jawarm of fig. 1.
Fig. 3 is a schematic top view of the second jawarm of fig. 1.
Fig. 4 is a schematic structural diagram of a spring seat and a compression spring in the embodiment of the invention.
Fig. 5 is a schematic view of a first partial structure in the direction of a-a in fig. 1.
Fig. 6 is a second partial structure view in the direction of a-a in fig. 1.
Fig. 7 is a schematic structural view of an endoscope insertion tube.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
To facilitate reading and to prevent interference, only the first jawarm is shown in fig. 5 in cooperation with the articulation barrel, and only the second jawarm is shown in fig. 6 in cooperation with the articulation barrel.
A multifunctional amniocentus forceps is disclosed, as shown in figures 1-7, comprising a first forceps arm 1, a second forceps arm 2, a first arc-shaped supporting plate 3 arranged at the front end of the first forceps arm, a second arc-shaped supporting plate 4 arranged at the front end of the second forceps arm and a hinge tube 5, wherein the cross section of the hinge tube is rectangular, the first forceps arm comprises a front upper crank arm 6, a first oblique arm 7 connected with the front upper crank arm and a rear lower crank arm 8 connected with the first oblique arm, the second forceps arm comprises a front lower crank arm 9, a second oblique arm 10 connected with the front lower crank arm and a rear upper crank arm 11 connected with the second oblique arm, the left and right inner walls of the hinge tube are both provided with hinge shafts 12, the first oblique arm and the second oblique arm are respectively hinged on the corresponding hinge shafts in a pitching manner, the first oblique arm and the second oblique arm are both inclined on the vertical plane, the hinge shafts are both provided with stoppers (hinge shafts not shown in the figures) for preventing the first oblique arm and the second oblique arm from sliding transversely, first arc fagging and second arc fagging are in the front and are buckled together and form a jack when connecting lever all is in the level down before the connecting lever, first sloping arm, second sloping arm two the articulated shaft encloses into the grafting space, and grafting space internal fixation guide tube 3, the both sides of guide tube are passed through welded fastening on two articulated shafts, and the axial length of guide tube is longer than the axial length of a hinge section of thick bamboo in this embodiment, and the front end of guide tube is close the jack that first arc fagging and second arc fagging formed. In order to reserve the pitching activity space of the front upper crank arm and the front lower crank arm, when the front upper crank arm and the front lower crank arm are both horizontal, a movable gap 14 is formed between the front upper crank arm and the rear upper crank arm and the inner wall of the upper hinge cylinder in the vertical direction, and a movable gap 14' is formed between the front lower crank arm and the rear lower crank arm and the inner wall of the lower hinge cylinder in the vertical direction. The scales 25 are arranged on the front upper crank arm of the first forceps arm, the rear upper crank arm of the second forceps arm and the top of the hinge cylinder, so that a doctor can conveniently observe the depth of the multifunctional amniotic forceps inserted into the vagina and the uterus, and the lengths of the vagina and the uterus can be conveniently estimated.
The rear end of the rear upper crank arm and the rear end of the rear lower crank arm are respectively provided with a cross rod 15, 15 ', spring fixing seats 16, 16 ' are oppositely arranged on the upper cross rod 15 and the lower cross rod 15 ' on the same side, a group of spring fixing seats are provided with a pressure spring 17, and when the pressure springs are in a natural state, the front upper crank arm and the front lower crank arm are in a horizontal state. When the first arc-shaped supporting plate and the second arc-shaped supporting plate do not need to be unfolded, the front upper crank arm and the front lower crank arm are in a horizontal state under the pushing of the pressure spring, and the first arc-shaped supporting plate and the second arc-shaped supporting plate are restored to a closed state.
The bottom of the rear upper connecting lever of the second tong arm is provided with a graduated scale 24, and the lower end of the graduated scale is inserted into the rear lower connecting lever of the first tong arm. As long as measure the articulated shaft to the distance of first arc front end and scale position, simple geometric conversion back sets up suitable scale on the scale, and the open size of first arc fagging and second arc fagging front end just can be read out to direct scale in the time of using to estimate cervical open-ended size, it is very convenient.
In this embodiment, still include endoscope intubate 23, the setting is pegged graft in guide tube 13 in the slip of endoscope intubate, the front end portion of endoscope intubate has endoscope 22, the endoscope intubate is prior art, for the convenience of taking a sample, endoscope one side sets up the sampler, in this embodiment, in order to increase amniotic fluid collection function, the sampler includes syringe needle 20 that endoscope one side set up, the syringe needle is fixed at endoscope intubate front end and is connected with 18 front ends of transfer line in the endoscope intubate, the connection syringe 19 of afterbody of transfer line, specifically, endoscope intubate front end has the screw hole, the afterbody of syringe needle has tube-shape connecting seat 21, the tube-shape connecting seat has the external screw thread, the syringe needle can be dismantled through establishing soon and fix like this, endoscope intubate front end. Amniotic fluid can be sucked as required under the auxiliary observation of the endoscope for detection and judgment. The endoscope can also observe the property of amniotic fluid and the conditions of the presence or absence of the preposed placenta and the preposed blood vessel.
The length of screw hole can be good at the tube-shape connecting seat, the transfer line can adopt the stereoplasm transfer line, when using like this, can hide the syringe needle in the endoscope intubate earlier through rotating the stereoplasm transfer line, when arriving at the amnion position, before needing to extract the amniotic fluid, at the reverse rotation stereoplasm transfer line, stretch out the endoscope intubate with the syringe needle, gather the amniotic fluid after, continue to hide the syringe needle in the endoscope intubate with the syringe needle, can avoid the syringe needle to prick or fish tail the tissue at the in-process of endoscope intubate business turn over vagina and uterus like this, reduce the use risk.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (9)
1. A multifunctional amnion forceps is characterized in that: comprises a first clamp arm, a second clamp arm, a first arc-shaped supporting plate arranged at the front end of the first clamp arm, a second arc-shaped supporting plate arranged at the front end of the second clamp arm and a hinge cylinder, wherein the first clamp arm comprises a front upper connecting lever, a first oblique arm connected with the front upper connecting lever and a rear lower connecting lever connected with the first oblique arm, the second clamp arm comprises a front lower connecting lever, a second oblique arm connected with the front lower connecting lever and a rear upper connecting lever connected with the second oblique arm, hinge shafts are arranged on the left inner wall and the right inner wall of the hinge cylinder, the first oblique arm and the second oblique arm are respectively hinged on the corresponding hinge shafts in a pitching manner, the first arc-shaped supporting plate and the second arc-shaped supporting plate are buckled together to form a jack when the front upper connecting lever and the front lower connecting lever are horizontal, the first oblique arm and the second oblique arm enclose a splicing space, when the front upper connecting lever and the rear upper connecting lever are horizontal, a movable gap is arranged between the front upper connecting lever and the rear upper connecting lever and the inner wall of the hinge cylinder vertically above the hinge cylinder, and movable gaps are formed between the front lower crank arm and the inner wall of the hinge barrel below the front lower crank arm and between the rear lower crank arm and the inner wall of the hinge barrel below the front lower crank arm and the rear lower crank arm in the vertical direction.
2. The multi-functional amniotic clamp according to claim 1, wherein: and guide tubes are fixed in the splicing space and are fixed on the two hinging shafts.
3. The multi-functional amniotic clamp according to claim 3, wherein: the axial length of the guide tube is longer than the axial length of the hinge barrel.
4. The multi-functional amniotic clamp according to claim 1, wherein: scales are arranged on the front upper crank arm of the first clamp arm, the rear upper crank arm of the second clamp arm and the top of the hinge cylinder.
5. The multi-functional amniotic clamp according to claim 1, 2, 3 or 4, wherein: the rear end of the rear upper connecting lever and the rear end of the rear lower connecting lever are respectively provided with a cross rod, spring fixing seats are oppositely arranged on the upper cross rod and the lower cross rod on the same side, a pressure spring is arranged on one group of spring fixing seats, and when the pressure spring is in a natural state, the front upper connecting lever and the front lower connecting lever are in a horizontal state.
6. The multi-functional amniotic clamp according to claim 5, wherein: the bottom of the rear upper connecting lever of the second tong arm is provided with a graduated scale, and the lower end of the graduated scale is inserted into the rear lower connecting lever of the first tong arm.
7. The multi-functional amniotic clamp according to claim 2, 3 or 4, wherein: an endoscope insertion tube is arranged in the guide tube in a sliding mode, and an endoscope is arranged at the front end portion of the endoscope insertion tube.
8. The multi-functional amniotic clamp according to claim 7, wherein: a sampler is arranged on one side of the endoscope.
9. The multi-functional amniotic clamp according to claim 8, wherein: the sampler comprises a syringe needle which is fixed at the front end of the endoscope insertion tube and connected with the front end of an infusion tube in the endoscope insertion tube, and the tail part of the infusion tube is connected with the syringe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210162937.3A CN114404004B (en) | 2022-02-22 | 2022-02-22 | Multifunctional amniotic forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210162937.3A CN114404004B (en) | 2022-02-22 | 2022-02-22 | Multifunctional amniotic forceps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114404004A true CN114404004A (en) | 2022-04-29 |
| CN114404004B CN114404004B (en) | 2023-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210162937.3A Active CN114404004B (en) | 2022-02-22 | 2022-02-22 | Multifunctional amniotic forceps |
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| Country | Link |
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| CN (1) | CN114404004B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5562102A (en) * | 1994-11-21 | 1996-10-08 | Taylor; Thomas V. | Multiple biopsy device |
| CA2376510A1 (en) * | 1999-08-04 | 2001-02-15 | Ron-Tech Medical Ltd. | Real-time endovaginal sonographic guidance of gynecologic procedures |
| CN105476599A (en) * | 2015-12-31 | 2016-04-13 | 栾笑天 | Multifunctional self-locking gynecological examination device |
| CN205379347U (en) * | 2016-01-27 | 2016-07-13 | 孙伟娅 | A rupture of membranes device for gynaecology and obstetrics |
| CN107635489A (en) * | 2015-05-14 | 2018-01-26 | 本森医疗公司 | Noninvasive cervical clamps |
| CN209346982U (en) * | 2018-10-26 | 2019-09-06 | 宁夏回族自治区人民医院(宁夏眼科医院) | A kind of department of stomatology just tune type opener |
| CN210962241U (en) * | 2019-03-20 | 2020-07-10 | 田春梅 | Portable rupture of membranes drainage ware of gynaecology and obstetrics |
-
2022
- 2022-02-22 CN CN202210162937.3A patent/CN114404004B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5562102A (en) * | 1994-11-21 | 1996-10-08 | Taylor; Thomas V. | Multiple biopsy device |
| CA2376510A1 (en) * | 1999-08-04 | 2001-02-15 | Ron-Tech Medical Ltd. | Real-time endovaginal sonographic guidance of gynecologic procedures |
| WO2001010304A1 (en) * | 1999-08-04 | 2001-02-15 | Rontech Medical Ltd. | Real-time endovaginal sonographic guidance of gynecologic procedures |
| CN1377245A (en) * | 1999-08-04 | 2002-10-30 | 隆－特克医疗有限公司 | Real-time endovaginal sonographic guidance of gyncologic procedures |
| CN107635489A (en) * | 2015-05-14 | 2018-01-26 | 本森医疗公司 | Noninvasive cervical clamps |
| CN105476599A (en) * | 2015-12-31 | 2016-04-13 | 栾笑天 | Multifunctional self-locking gynecological examination device |
| CN205379347U (en) * | 2016-01-27 | 2016-07-13 | 孙伟娅 | A rupture of membranes device for gynaecology and obstetrics |
| CN209346982U (en) * | 2018-10-26 | 2019-09-06 | 宁夏回族自治区人民医院(宁夏眼科医院) | A kind of department of stomatology just tune type opener |
| CN210962241U (en) * | 2019-03-20 | 2020-07-10 | 田春梅 | Portable rupture of membranes drainage ware of gynaecology and obstetrics |
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| Publication number | Publication date |
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| CN114404004B (en) | 2023-11-17 |
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Effective date of registration: 20231020 Address after: 450000 room 2111, floor 21, building 5, yard 25, Wenbo West Road, Jinshui District, Zhengzhou City, Henan Province Applicant after: Henan bosde Biotechnology Co.,Ltd. Address before: 450000 room 2111, floor 21, building 5, yard 25, Wenbo West Road, Jinshui District, Zhengzhou City, Henan Province Applicant before: Henan bosde Biotechnology Co.,Ltd. Applicant before: Zhengzhou Maternal and Child Health Hospital |
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