CN114680944A - Amniotic fluid puncture sampling device and sampling method thereof - Google Patents
Amniotic fluid puncture sampling device and sampling method thereof Download PDFInfo
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- CN114680944A CN114680944A CN202210335577.2A CN202210335577A CN114680944A CN 114680944 A CN114680944 A CN 114680944A CN 202210335577 A CN202210335577 A CN 202210335577A CN 114680944 A CN114680944 A CN 114680944A
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- 238000005070 sampling Methods 0.000 title claims abstract description 119
- 210000004381 amniotic fluid Anatomy 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 210000001015 abdomen Anatomy 0.000 claims description 41
- 239000007788 liquid Substances 0.000 claims description 32
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000001802 infusion Methods 0.000 claims description 4
- 238000013459 approach Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 8
- 230000009471 action Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 244000309464 bull Species 0.000 description 4
- 210000003754 fetus Anatomy 0.000 description 4
- 208000004350 Strabismus Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010000210 abortion Diseases 0.000 description 1
- 231100000176 abortion Toxicity 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001605 fetal effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
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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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Abstract
The invention discloses a amniotic fluid puncture sampling device and a sampling method thereof, and the amniotic fluid puncture sampling device comprises a supporting cabinet (1), wherein a bed board (3) is slidably arranged on the upper part of the supporting cabinet (1), a transmission assembly (5) is also arranged on one side of the supporting cabinet (1), the supporting cabinet (1) is connected with a sampling assembly (9) through the transmission assembly (5), the sampling assembly (9) is used for extracting amniotic fluid from a pregnant woman, and the sampling assembly (9) can be close to or far away from the bed board (3). A first motor (6) is fixedly installed in the supporting cabinet (1), an output shaft of the first motor (6) is fixedly connected with a first gear (4), the first gear (4) is connected with a first toothed plate (7) in a meshed mode, and the lower portion of the bed plate (3) is fixedly connected with the first toothed plate (7); the upper part of the supporting cabinet (1) is provided with a slide rail (2), and the bed board (3) is connected with the slide rail (2) in a sliding way. The invention reduces the difficulty of puncture sampling detection, reduces the moving times of the pregnant woman on the bed and improves the sampling efficiency.
Description
Technical Field
The invention belongs to the technical field of gynecological medical instruments, and particularly relates to an amniotic fluid puncture sampling device and a sampling method thereof.
Background
When amniotic fluid of a fetus of a pregnant woman is detected, puncture sampling detection is required, for example, a patent application with the application number of CN202010889344.8 provides a low-hazard amniotic fluid puncture sampling method for obstetrics and gynecology department, and particularly discloses a method for assisting a part of inexperienced gynecology doctors by using the Internet of things technology to help the doctors to determine the needle entry point, the needle entry height and other related data, and providing real-time feedback for the doctors through a system consisting of a control terminal, a distance sensor and a signal lamp, so that the accident that the needle entry angle is not in accordance with the expectation is not easy to occur, while a lighting lamp group arranged on a needle tube main body can effectively increase the illumination of the needle entry area, so that the doctors can conveniently find the needle entry point, finally, the Internet of things technology is used for providing targeted accompanying and nursing for subsequent accompanying work of the pregnant woman, the accident that the amniotic fluid sampling fails due to insufficient clinical experience of the doctors is not easy to occur, and the fetus is not easy to damage, the accident that the pregnant woman is injured due to fetal abortion is not easy to happen.
However, the conventional techniques have problems in that: puncture sampling test is mostly that the doctor holds the syringe and samples, and is higher to doctor's professional level requirement. In addition, some puncture beds require a pregnant woman to repeatedly adjust the position on the bed, but the movement of the pregnant woman may cause the position of the fetus in the abdomen to change, and after the entry position and angle of the puncture needle are determined, if the position of the fetus in the abdomen changes, the previously determined puncture position and angle may be unavailable, and thus, the operation of the existing puncture bed is cumbersome, and the puncture position and angle need to be repeatedly confirmed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art at least partially and provides an amniotic fluid puncture sampling device and a sampling method thereof.
The invention also aims to provide the amniotic fluid puncture sampling device and the sampling method thereof, so that the difficulty of puncture sampling detection is reduced.
The invention also aims to provide the amniotic fluid puncture sampling device and the sampling method thereof, so that the moving times of the pregnant woman on the bed are reduced, and the sampling efficiency is improved.
To achieve one of the above objects or purposes, the technical solution of the present invention is as follows:
a amniotic fluid puncture sampling device comprises a supporting cabinet, a bed board is slidably mounted on the upper portion of the supporting cabinet, a transmission component is further mounted on one side of the supporting cabinet, the supporting cabinet is connected with a sampling component through the transmission component, the sampling component is used for extracting amniotic fluid from a pregnant woman,
wherein the sampling assembly is configured to be able to approach or move away from the bed plate.
According to a preferred embodiment of the invention, a first motor is fixedly installed inside the supporting cabinet, an output shaft of the first motor is fixedly connected with a first gear, the first gear is in meshing connection with a first toothed plate, and the lower part of the bed plate is fixedly connected with the first toothed plate;
the upper part of the supporting cabinet is provided with a slide rail, and the bed board is connected with the slide rail in a sliding manner.
According to a preferred embodiment of the invention, the transmission assembly comprises a connecting rod, one end of the connecting rod is fixedly connected with the supporting cabinet, the other end of the connecting rod is fixedly connected with a fixed plate, and a movable shaft is rotatably arranged in the fixed plate;
the inboard fixedly connected with second gear of loose axle, the second gear passes through the reverse gear and indirectly meshes with the second pinion rack, bed board downside fixed connection the second pinion rack.
According to a preferred embodiment of the invention, the sampling assembly comprises a movable plate, a limiting cylinder is fixedly connected to the front side of the movable plate, a needle tube is slidably mounted inside the limiting cylinder, a third toothed plate is fixedly connected to one side of the needle tube, a third gear is connected to the third toothed plate in a meshing manner, the third gear is rotatably mounted to the front side of the movable plate, a quick stop rod and a linkage piece are further arranged inside the movable plate, the quick stop rod is in contact with a connecting plate through the linkage piece, a clamping rod is fixedly connected to one side of the connecting plate, the movable plate is movably mounted to the clamping rod through a first spring, and the clamping rod is driven by the first spring to be in contact with the third gear;
the movable plate is fixedly provided with a second motor, the output end of the second motor is fixedly connected with the third gear,
the linkage piece includes the fixed disk, the inside fixed connection of fly leaf the fixed disk, the outside sliding connection of emergency stop pole the fixed disk, there is the activity dish fixed disk upper portion through second spring movable mounting.
According to a preferred embodiment of the present invention, a baffle is fixedly connected to a lower portion of the emergency stop lever, and the baffle contacts the connecting plate.
According to a preferred embodiment of the present invention, a fixed seat is fixedly connected inside the movable plate, the fixed seat movably mounts the clamping rod through a first spring, a liquid pump is fixedly mounted on the upper portion of the movable plate, an input end of the liquid pump is connected to an infusion tube, one end of the infusion tube far away from the liquid pump is fixedly connected to the needle tube, and an output end of the liquid pump is fixedly connected to a storage tube.
According to a preferred embodiment of the present invention, the sampling assembly is capable of angular offset while the bed plate is moving,
the outside joint of loose axle has first runner, the outside swing joint of first runner has the drive belt, first runner passes through drive belt swing joint has the second runner, fixed plate upper portion fixedly connected with link, link upper portion rotates the installation the second runner, the inboard fixedly connected with bull stick of second runner, the bull stick is outside to be passed through bolt demountable installation the fly leaf.
According to a preferred embodiment of the present invention, a limiting ring is fixedly connected to an outer side of the fixing plate, a clip is elastically installed on an outer portion of the movable shaft, the clip is movably contacted with the limiting ring, a clamping block is further disposed on an outer portion of the movable shaft, a clamping plate is fixedly connected to an outer portion of the movable shaft, and the clamping plate is slidably connected to the second gear.
According to another aspect of the present invention, there is provided an amniotic fluid puncture sampling method using the amniotic fluid puncture sampling device of any one of the preceding embodiments.
According to a preferred embodiment of the present invention, the amniotic fluid puncture sampling method comprises the following steps:
s1: in an initial state, keeping a needle tube of the sampling assembly in a vertical state;
s2: the pregnant woman lies on the bed plate, and the sampling needle is approximately aligned to the most uplifted part of the abdomen of the pregnant woman;
s3: under the guidance of B-ultrasonic, determining an expected needle inserting position, and if the needle inserting position is near the midline of the abdomen, enabling the pregnant woman to lie on the back; if the needle insertion position is on the right side of the abdomen, the pregnant woman lies on the left side; if the needle insertion position is on the left side of the abdomen, the pregnant woman lies on the right side; thereafter, the pregnant woman is no longer moved;
s4: according to the expected needle inserting position, the needle inserting position is located above the abdomen or below the abdomen, the first motor is controlled to rotate, so that the first gear drives the bed plate to move along the longitudinal direction of the bed plate, and meanwhile, the movement of the bed plate is driven by the second toothed plate, the reverse gear, the second gear, the movable shaft, the first rotating wheel, the transmission belt, the second rotating wheel and the rotating rod to drive the sampling assembly to rotate;
s5: controlling the second motor to rotate, so that the needle tube moves towards the abdomen of the pregnant woman and is inserted into the abdomen;
s6: starting a liquid pump to pump the amniotic fluid;
s7: the second motor is controlled to rotate, so that the needle tube leaves the abdomen of the pregnant woman.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the bed board is slidably arranged on the upper part of the support cabinet, so that a user can slide the bed board to adjust the position of a pregnant woman, the pregnant woman does not need to move after being fixed, the transmission assembly is also arranged on one side of the support cabinet, the support cabinet is connected with the sampling assembly through the transmission assembly, the sampling assembly is driven by the bed board to carry out angle deviation, the sampling assembly can be adjusted to carry out deviation when the bed board moves, and the pregnant woman is subjected to oblique puncture sampling. When the pregnant woman is moved to the bed head by the bed plate, the sampling needle rotates simultaneously to enable the needle head to point to the lower side of the abdomen of the pregnant woman, and the pregnant woman can sample from the lower side of the abdomen; when the pregnant woman is moved to the tailstock by the bed plate, the sampling needle rotates simultaneously to enable the needle head to point to the upper side of the abdomen of the pregnant woman, and the pregnant woman can be sampled from the upper side of the abdomen. Through the sampling subassembly includes the fly leaf, the spacing section of thick bamboo of fly leaf front side fixedly connected with, the inside slidable mounting of spacing section of thick bamboo has the needle tubing, needle tubing one side fixedly connected with third pinion rack, and third pinion rack meshing is connected with the third gear, and fly leaf front side rotation installation third gear for the user can control third gear control needle tubing and carry out slow decline, reduces because the unstable problem that causes the puncture too dark and puncture position to take place the skew of hand. Through inside scram pole and the linkage piece of still being equipped with of fly leaf, the scram pole has the connecting plate through the linkage piece contact, connecting plate one side fixedly connected with kelly, the fly leaf is through first spring movable mounting kelly, and the kelly receives first spring drive contact third gear for when meetting proruption situation, can press the scram pole, the linkage piece transmits, then makes the connecting plate no longer receive the restraint, can do ejecting action, then blocks dead third gear, makes the third gear no longer rotate. The sampling can be stopped quickly when an emergency situation occurs.
2. According to the invention, the linkage part comprises the fixed disc, the fixed disc is fixedly connected in the movable plate, the outer part of the emergency stop rod is slidably connected with the fixed disc, the movable disc is movably arranged at the upper part of the fixed disc through the second spring, and the baffle is fixedly connected at the lower part of the emergency stop rod, so that when a user presses the emergency stop rod, the baffle moves downwards, and the baffle contacts the connecting plate, so that the limit of the connecting plate is released when the baffle moves downwards, and the clamping rod can be ejected.
3. According to the invention, the fixed seat is fixedly connected in the movable plate, the clamping rod is movably mounted on the fixed seat through the first spring, when the baffle moves downwards, the clamping rod can perform an ejection action through the force of the first spring, the third gear is clamped, the liquid pump is fixedly mounted on the upper part of the movable plate, the input end of the liquid pump is connected with the liquid conveying pipe, one end of the liquid conveying pipe, which is far away from the liquid pump, is fixedly connected with the needle tube, the output end of the liquid pump is fixedly connected with the storage pipe, the liquid pump can be controlled to perform quantitative extraction operation on amniotic fluid, the extracted amniotic fluid is transmitted into the storage pipe, and qualitative and quantitative storage is realized, so that the subsequent inspection is facilitated.
4. According to the invention, the first motor is fixedly arranged in the supporting cabinet, the output shaft of the first motor is fixedly connected with the first gear, the first gear is in meshed connection with the first toothed plate, and the lower part of the bed plate is fixedly connected with the first toothed plate, so that the first motor can drive the bed plate to adjust the position.
5. According to the invention, the transmission assembly comprises the connecting rod, one end of the connecting rod is fixedly connected with the supporting cabinet, the other end of the connecting rod is fixedly connected with the fixed plate, the movable shaft is rotatably arranged in the fixed plate, the inner side of the movable shaft is fixedly connected with the second gear, the second gear is indirectly meshed with the second toothed plate through the reverse gear, so that the movable shaft can be driven to rotate when the second gear rotates, the movable shaft is movably supported through the connecting rod and the fixed plate, and the movable shaft can be controlled to rotate when the bed plate moves through fixedly connecting the second toothed plate to the lower side of the bed plate, and then transmission is carried out.
6. According to the invention, the second motor is fixedly arranged on the movable plate, and the output end of the second motor is fixedly connected with the third gear, so that a user can control the motor to work to control the needle tube to move at a constant speed for puncture, and the operation is more stable. There is first runner through the outside joint of loose axle, and the outside swing joint of first runner has the drive belt, and first runner has the second runner through drive belt swing joint for the bed board can drive the second runner when removing and rotate, through the inboard fixedly connected with bull stick of second runner, the bull stick outside is through bolt demountable installation fly leaf, can adjust the angle of fly leaf when making the bed board remove.
7. According to the invention, the limiting ring is fixedly connected to the outer side of the fixed plate, the clamp is elastically arranged on the outer part of the movable shaft, the clamp can be in contact with the limiting ring in a clamping manner and is limited by the clamping block on the movable shaft, the clamp plate is fixedly connected to the outer part of the movable shaft, the clamp plate is in sliding connection with the second gear, so that the clamp plate is not in contact with the first rotating wheel after the movable shaft is pressed, the rotating shaft of the movable shaft cannot drive the first rotating wheel to rotate, the movable plate cannot be driven to turn over by adjusting the position of the bed plate, the position of a patient can be finely adjusted, and the angle of the needle tube is not changed.
Drawings
FIG. 1 is a schematic diagram of an overall structure provided by an embodiment of the present invention;
FIG. 2 is a schematic diagram of a sampling component according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an internal structure of a sampling component according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of the structure at A in FIG. 3 according to an embodiment of the present invention;
FIG. 5 is a schematic view of an internal structure of a supporting cabinet according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of the structure at B in FIG. 5 according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a belt structure provided by an embodiment of the present invention; and
fig. 8 is a schematic structural diagram of a movable shaft according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will hereinafter be described in detail with reference to the accompanying drawings, wherein like or similar reference numerals denote like or similar elements. Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.
Aiming at the problems in the prior art, the invention provides an amniotic fluid puncture sampling device and a sampling method thereof, which have the advantages of reducing the difficulty of puncture sampling detection and solve the problems that most of the traditional puncture sampling detection is performed by a doctor holding an injector by hand, the requirement on the professional level of the doctor is high, and the puncture sampling detection is difficult to be performed by the doctor in a short time. Meanwhile, the amniotic fluid puncture sampling device and the sampling method thereof provided by the invention can reduce the moving times of the pregnant woman on the bed plate as much as possible.
As shown in fig. 1 to 8, an amniotic fluid puncture sampling device provided by an embodiment of the present invention includes a supporting cabinet 1, a bed plate 3 is slidably mounted on an upper portion of the supporting cabinet 1, the supporting cabinet 1 is substantially rectangular and has a bed body contour, slide rails 2 are disposed at upper ends of two sides of the supporting cabinet 1 in a longitudinal extending direction, the slide rails 2 are groove-shaped, a transmission assembly 5 is further mounted on one side of the supporting cabinet 1, the supporting cabinet 1 is connected with a sampling assembly 9 through the transmission assembly 5, the sampling assembly 9 is driven by the bed plate 3 and can perform an angular offset, and the angular offset of the sampling assembly 9 will be described in detail later.
Referring to fig. 1 and 5, a first motor 6 is fixedly installed inside the supporting cabinet 1, an output shaft of the first motor 6 is fixedly connected with a first gear 4, the first gear 4 is engaged with a first toothed plate 7, and the lower portion of the bed plate 3 is fixedly connected with the first toothed plate 7. Here, the supporting cabinet 1 is designed as a hollow cabinet having a receiving space therein, the first motor 6 being received in the receiving space, but the two first gears 4 are located outside both left and right sides of the supporting cabinet 1, and the first gears 4 need to correspond to positions of the slide rails 2 of the supporting cabinet 1 in order to be engaged with the first tooth plates 7, and for this purpose, inner recesses are provided in both left and right sides of the supporting cabinet 1, respectively, in which the first gears 4 are received.
Alternatively, the supporting cabinet 1 is designed as a hollow cabinet, wherein there is a receiving space, the first motor 6 and the first gear 4 are both received in the receiving space, the first gear 4 corresponds to the position of the sliding rail 2 of the supporting cabinet 1, the upper end of the first gear 4 is exposed from the groove of the sliding rail 2 of the supporting cabinet 1, and is engaged with the first toothed plate 7 above, and the number of the first gears 4 is also two. Both designs ensure that the first gear wheel 4 meshes with the first toothed plate 7.
Adopt above-mentioned scheme: there is first motor 6 through the inside fixed mounting of supporting cabinet 1, and first motor 6 output shaft fixedly connected with first gear 4, and the meshing of first gear 4 is connected with first pinion rack 7, the first pinion rack 7 of 3 lower parts fixed connection of bed board for first motor 6 can drive bed board 3 and carry out position adjustment.
The amniotic fluid is extracted by the sampling assembly 9, and the sampling assembly 9 is described below, the sampling assembly 9 includes a movable plate 901, the movable plate 901 can rotate, the movable plate 901 has a through hole, the rotating rod 10 passes through the through hole to provide support for the movable plate 901, the movable plate 901 can be fastened on the rotating rod 10 and can also horizontally slide relative to the rotating rod 10, but the rotation movement of the movable plate 901 relative to the rotating rod 10 is limited, and the movable plate is configured to rotate under the driving of the rotation movement of the rotating rod 10. The rotary bar 10 is supported by a connecting frame 505 indirectly fixed to the supporting cabinet 1, the connecting frame 505 is located on both sides of the bed board 1, and the rotary bar 10 is rotatably supported on the connecting frame 505. The front side of the movable plate 901 is fixedly connected with a limiting cylinder 903, which has a hollow space, a needle tube 904 is slidably mounted in the limiting cylinder 903, one side of the needle tube 904 is fixedly connected with a third toothed plate 905, the third toothed plate 905 is connected with a third gear 902 in a meshing manner, and the front side of the movable plate 901 is rotatably mounted with the third gear 902. it should be noted that the movable plate 901 is in a housing shape, the center of the movable plate 901 has a receiving space, and when the movable plate 901 is opened, internal components of the movable plate are exposed, as shown in fig. 3. The third gear 902 is located at the outer side of the movable plate 901, and the restricting cylinder 903 has a recess matching with the third gear 902, the recess communicating with the hollow space of the restricting cylinder 903, so that the third tooth plate 905 can be exposed through the recess, and thus the third gear 902 can be engaged with the third tooth plate 905. The limiting cylinder 903 and the movable plate 901 may be an integral component, or the two components may be separate components, and are combined together by a connecting means.
The upper portion of the movable plate 901 is fixedly provided with a liquid pump 906, the input end of the liquid pump 906 is connected with a liquid conveying pipe 907, one end of the liquid conveying pipe 907, which is far away from the liquid pump 906, is fixedly connected with a needle pipe 904, the far end of the needle pipe 904 is provided with a sampling needle, the output end of the liquid pump 906 is fixedly connected with a storage pipe 909, the liquid pump 906 is fixedly arranged on the upper portion of the movable plate, the input end of the liquid pump 906 is connected with the liquid conveying pipe 907, one end of the liquid conveying pipe 907, which is far away from the liquid pump 906, is fixedly connected with the needle pipe 904, and the output end of the liquid pump 906 is fixedly connected with the storage pipe 909, so that the liquid pump 906 can be controlled to carry out quantitative extraction operation on the amniotic fluid, the extracted amniotic fluid is transmitted into the storage pipe 909, qualitative and quantitative storage is convenient for subsequent inspection. The needle tube 904 is fixedly connected with the third toothed plate 905, so that the third gear 902 can be controlled to control the sampling needle to approach or depart from the human body.
The movable plate 901 is fixedly provided with a second motor 916, an output end of the second motor 916 is fixedly connected with a third gear 902, the second motor 916 is arranged inside the movable plate 901 and connected with the third gear 902 through a connecting shaft penetrating out, and a sudden stop rod 908 and a linkage member are further arranged inside the movable plate 901, and a sudden stop function is explained below.
The sampling device of the present invention further comprises a first spring, a clamping rod 915 and a connecting plate, wherein the fixing seat 913 is disposed inside the movable plate 901 at a position adjacent to the second motor 916 inside the movable plate 901, the fixing seat 913 is fixedly disposed on the inner side of the movable plate 901, one end of the first spring is disposed on an end surface of the fixing seat 913, the other end of the first spring is connected to the clamping rod 915, a supporting surface extending inwards from the movable plate 901 is disposed at the lower end of the clamping rod 915, and the clamping rod 915 is supported so as to be horizontal and capable of moving and extending along the supporting surface. The side wall of the fastening rod 915 is provided with a connecting plate 914, a part of the fastening rod 915, the connecting plate 914, the first spring and the fixed seat 913 are all arranged inside the movable plate 901, and one end of the fastening rod 915, which is far away from the fixed seat 913, extends out of the hole on the movable plate 901. The function of the clamping rod 915 is to penetrate into the ring of the third gear 902 when it extends out of the third gear 902, so as to prevent the third gear 902 from further rotating, thereby playing a role of scram. In normal use, the latch 915 is kept in a contracted state, the first spring is compressed, and when the restriction on the latch 915 is released, the latch 915 is extended by the first spring, so that the third gear 902 is prevented from rotating.
The emergency stop rod 908 extends inside the movable plate 901 and is exposed from the top surface of the movable plate 901, a button is arranged at the top end of the emergency stop rod 908, a linkage piece is arranged at the middle lower section of the emergency stop rod 908, referring to fig. 1, 2, 3 and 4, the linkage piece comprises a fixed disc 911, the inside of the movable plate 901 is fixedly connected with the fixed disc 911, the outside of the emergency stop rod 908 is slidably connected with the fixed disc 911, namely the emergency stop rod 908 can slide in a central circular hole of the fixed disc 911, the movable disc 910 is movably mounted on the upper portion of the fixed disc 911 through a second spring, a baffle 912 is fixedly connected to the lower portion of the emergency stop rod 908, and the baffle 912 is in contact with the connecting plate 914. The shape of the flap 912 matches the shape of the connection plate 914 such that the flap 912 in the position of fig. 4 prevents the connection plate 914 from moving to the left, e.g., the flap 912 has an L-shaped recess, the connection plate 914 is a flat plate, the connection plate 914 is prevented from moving in the L-shaped recess, and when the flap 912 moves downward, the connection plate 914 is released.
Adopt above-mentioned scheme: the linkage piece comprises a fixed disc 911, the inside of a movable plate 901 is fixedly connected with the fixed disc 911, the outside of an emergency stop rod 908 is slidably connected with the fixed disc 911, the upper part of the fixed disc 911 is fixedly connected with one end of a second spring, the other end of the second spring is connected onto a movable disc 910, and the lower part of the emergency stop rod 908 is fixedly connected with a baffle 912, so that when a user presses the emergency stop rod 908, the baffle 912 moves downwards, and because the baffle 912 is in contact with a connecting plate 914, the limit of the connecting plate 914 is released when the baffle 912 moves downwards, and the clamping rod 915 can be ejected.
Through the inside fixedly connected with fixing base 913 of fly leaf 901, fixing base 913 is through first spring movable mounting card pole 915 for when baffle 912 moves down, card pole 915 can do the ejecting action through the power of first spring, the dead third gear 902 of card, thereby reach the purpose of scram.
The bed board 3 is arranged on the upper part of the supporting cabinet 1 in a sliding manner, so that a user can slide the bed board 3 to adjust the position of a pregnant woman, the pregnant woman does not need to move after being fixed, the sampling assembly 9 comprises a movable board 901, the front side of the movable board 901 is fixedly connected with a limiting barrel 903, a needle pipe 904 is arranged in the limiting barrel 903 in a sliding manner, one side of the needle pipe 904 is fixedly connected with a third toothed plate 905, the third toothed plate 905 is connected with a third gear 902 in a meshing manner, the front side of the movable board 901 is rotatably provided with the third gear 902, so that the user can control the third gear 902, the needle pipe 904 is controlled to slowly descend, the problems of over-deep puncture and offset puncture position caused by unstable hand are reduced, a sudden stop rod 908 and a linkage piece are further arranged in the movable board 901, the sudden stop rod contacts with a connecting plate 914 through the linkage piece, a clamping rod 914 is fixedly connected to one side of the connecting plate 914, the movable board 901 is movably provided with a clamping rod 915 through a first spring, the locking rod 915 is driven by the first spring to contact the third gear 902, so that when an emergency occurs, the emergency stop rod 908 can be pressed down, the linkage member transmits, the connecting plate 914 is not restrained any more, the ejection action can be performed, the third gear 902 is locked, the third gear 902 does not rotate any more, and the puncture can be stopped quickly when a problem occurs.
Supporting cabinet 1 one side still installs drive assembly 5, and supporting cabinet 1 passes through drive assembly 5 and connects sampling subassembly 9, and sampling subassembly 9 receives the drive of bed board 3 to carry out the angular deflection for can adjust sampling subassembly 9 simultaneously and squint when the bed board removes, carry out the slope puncture sampling to the pregnant woman, describe this in detail below. Referring to fig. 1, 5, 6 and 7, the transmission assembly 5 includes a connecting rod 501, one end of the connecting rod 501 is fixedly connected to the supporting cabinet 1, the connecting rod 501 is cylindrical, the left and right sides of the supporting cabinet 1 are respectively connected to one connecting rod 501, and the connecting rods are fixed to the supporting cabinet 1. An extension plate extends out of the outer side of the side plate of the bed plate 1, a second toothed plate 8 is arranged on the lower surface of the extension plate, the other end of the connecting rod 501 is fixedly connected with a fixing plate 502, a movable shaft 503 is rotatably arranged in the fixing plate 502, a second gear 504 is fixedly connected to the inner side of the movable shaft 503, and the second gear 504 is indirectly meshed with the second toothed plate 8 through a reverse gear. The movable shaft 503 and the second gear 504 are rotatable with respect to the fixed plate 502. The reversing gear is disposed between the second gear 504 and the second gear plate 8, and functions to control the relationship between the moving direction of the second gear plate 8 and the rotation direction of the second gear plate 504, so that when the second gear plate 8 moves toward the bed head, the side of the second gear plate 504 close to the second gear plate 8 rotates not toward the bed head but toward the bed tail, thereby controlling the rotation direction of the sampling assembly 9 described later.
The scheme is adopted: include connecting rod 501 through the drive assembly, connecting rod 501 one end fixed connection supports cabinet 1, connecting rod 501 other end fixedly connected with fixed plate 502, fixed plate 502 is inside to be rotated and installs loose axle 503, the inboard fixedly connected with second gear 504 of loose axle 503, second gear 504 passes through the indirect and second toothed plate 8 meshing of reversing gear, can drive loose axle 503 and rotate when making second gear 504 rotate, carry out the activity support to loose axle 503 through connecting rod 501 and fixed plate 502, through 3 downside fixed connection second pinion rack 8 of bed board, can control loose axle 503 and rotate when making the bed board remove, then transmit. Thus, when the bed plate 3 moves along the supporting cabinet 1 under the driving of the first motor 6, the movable shaft 503 rotates synchronously.
Referring to fig. 1, 3, 5, 6 and 7, a first rotating wheel 507 is clamped outside the movable shaft 503, a driving belt 506 is movably connected outside the first rotating wheel 507, the first rotating wheel 507 is movably connected with a second rotating wheel 509 through the driving belt 506, a connecting frame 505 is fixedly connected to the upper portion of the fixed plate 502, the second rotating wheel 509 is rotatably installed on the upper portion of the connecting frame 505, a rotating rod 10 is fixedly connected to the inner side of the second rotating wheel 509, and a movable plate 901 is detachably installed outside the rotating rod 10 through a bolt.
A first rotating wheel 507 is clamped outside the movable shaft 503, a transmission belt 506 is movably connected outside the first rotating wheel 507, the first rotating wheel 507 is movably connected with a second rotating wheel 509 through the transmission belt 506, the second rotating wheel 509 can be driven to rotate when the bed plate 3 moves, a rotating rod 10 is fixedly connected to the inner side of the second rotating wheel 509, the movable plate 901 is detachably mounted outside the rotating rod 10 through bolts, and the angle of the movable plate 901 can be adjusted when the bed plate 3 moves.
Referring to fig. 1, 7 and 8, a limit ring 508 is fixedly connected to the outer side of the fixing plate 502, the limit ring 508 has a central circular hole, the movable shaft 503 extends through the central circular hole, a chamfer is arranged at the joint of the side surface of the limit ring 508 and the wall surface of the central circular hole, a clip 511 is elastically mounted on the outer portion of the movable shaft 503, the clip 511 is arc-shaped, the arc-shaped circumferential angle is greater than 180 degrees and less than 360 degrees, the end surface of the clip 511 facing the limit ring 505 has an inclined surface matched with the chamfer, and the clip 511 can contact the wall surface and the chamfer of the central circular hole of the limit ring 508 in a clamping state. The clip 511 can position the movable shaft 503 in the axial direction of the movable shaft 503 with respect to the fixed plate 502 or the retainer ring 508, but the fixed plate 502 or the retainer ring 508 does not affect the rotation of the movable shaft 503, that is, the movable shaft 503 can rotate with respect to the retainer ring 508, and the wall surface of the center circular hole of the retainer ring 508 constitutes a rotation surface.
A clamping block 510 is further arranged outside the movable shaft 503, a clamping plate 512 is fixedly connected outside the movable shaft 503, the clamping plate 512 is slidably connected with the second gear 504, namely, the part of the movable shaft 503, which is located outside the second gear 504, is sequentially provided with the clamping plate 512 and the clamping block 510, the clamping plate 512 is a key protruding from the movable shaft 503 along the circumferential direction, and the clamping block 510 is a square block or a round block protruding from the movable shaft 503 along the circumferential direction. The limiting ring 508 and the clip 511 are arranged between the clamping plate 512 and the clamping block 510, the central holes of the second gear 504 and the first rotating wheel 507 are respectively provided with a key groove, the key grooves of the second gear 504 and the first rotating wheel 507 are matched with the clamping plate 512 in a shape, so that the second gear 504 and the first rotating wheel 507 can slide on the clamping plate 512, and due to the existence of the clamping plate 512, the second gear 504 and the first rotating wheel 507 rotate synchronously with the movable shaft 503.
When the movable shaft 503 is pushed inwards with force, the clamping force of the clamp 511 is overcome, the movable shaft 503 slides inwards relative to the limiting ring 508 and the clamp 511, the first rotating wheel 507 slides along the clamping plate 512 and is separated from the clamping plate 512 because the first rotating wheel 507 is fixed relatively, and the fixture block 510 prevents the movable shaft 503 from sliding excessively.
Adopt above-mentioned scheme, the user can press loose axle 503 to carry on spacingly through fixture block 510, make behind the pressing loose axle 503 cardboard 512 not with first runner 507 contact, make the loose axle 503 pivot can not drive first runner 507 and rotate, at this moment the adjustment bed board 3 position can not drive fly leaf 901 and overturn, can finely tune patient's position, and does not change needle tubing 904 angle.
A amniotic fluid puncture sampling method adopts the amniotic fluid puncture sampling device in the embodiment, and comprises the following steps:
s1: in the initial state, the needle pipe 904 of the sampling assembly 9 is kept in the vertical state;
s2: the pregnant woman lies on the bed plate 3, and the sampling needle is approximately aligned to the most uplifted part of the abdomen of the pregnant woman;
s3: under the guidance of B-ultrasonic, determining an expected needle inserting position, and if the needle inserting position is near the midline of the abdomen, enabling the pregnant woman to lie on the back; if the needle insertion position is on the right side of the abdomen, the pregnant woman lies on the left side; if the needle insertion position is on the left side of the abdomen, the pregnant woman lies on the right side; thereafter, the pregnant woman is no longer moved;
s4: according to whether the expected needle inserting position is located above the belly or below the belly, the first motor 6 is controlled to rotate, so that the first gear 4 drives the bed plate 3 to move along the longitudinal direction of the bed plate 3, and meanwhile, the movement of the bed plate 3 is driven by the second toothed plate 8, the reverse gear, the second gear 504, the movable shaft 503, the first rotating wheel 507, the transmission belt 506, the second rotating wheel 509 and the rotating rod 10 to drive the sampling assembly 9 to rotate;
if the expected needle inserting position is located below the abdomen, the bed board is controlled to move towards the direction of the bed head, at the moment, the pregnant woman slightly moves towards the direction of the bed head, and the sampling assembly 9 rotates around the axis of the rotating rod 10, so that the needle point of the sampling needle is inclined towards the direction of the bed head, and the sampling needle is aligned to be just below the abdomen of the pregnant woman in an inclined mode;
if the expected needle inserting position is located above the abdomen, the bed board is controlled to move towards the tailstock direction, at the moment, the pregnant woman slightly moves towards the tailstock direction, and the sampling assembly 9 rotates around the axis of the rotating rod 10, so that the needle point of the sampling needle is inclined towards the tailstock direction, and at the moment, the sampling needle is just obliquely aligned above the abdomen of the pregnant woman;
s5: controlling the second motor 916 to rotate so that the needle tube 904 moves toward the abdomen of the pregnant woman, inserting into the abdomen;
s6: starting a liquid pump 906 to pump the amniotic fluid;
s7: the second motor 916 is controlled to rotate so that the needle tube 904 is moved away from the abdomen of the pregnant woman.
The amniotic fluid puncture sampling method of the present invention is a method for non-diagnostic purposes, non-therapeutic purposes, and the direct purpose is not to obtain a diagnostic result, but to obtain an intermediate result.
The working principle of the invention is as follows:
when using, there is bed board 3 through 1 upper portion slidable mounting of supporting cabinet, make the user can slide bed board 3 and adjust the position of pregnant woman, make the pregnant woman fixed the back need not to remove, still install transmission assembly 5 through supporting cabinet 1 one side, supporting cabinet 1 is connected with sampling subassembly 9 through transmission assembly 5, sampling subassembly 9 receives the drive of bed board 3 to carry out the angular deflection, can adjust sampling subassembly 9 simultaneously when making the bed board remove and squint, carry out the slope puncture sampling to the pregnant woman. When the pregnant woman is moved to the bed head by the bed plate, the sampling needle rotates simultaneously to enable the needle head to point to the lower side of the abdomen of the pregnant woman, and the pregnant woman can sample from the lower side of the abdomen; when the pregnant woman is moved to the tailstock by the bed board, the sampling needle rotates simultaneously to enable the needle head to point to the upper side of the abdomen of the pregnant woman, and the pregnant woman can be sampled from the upper side of the abdomen. Through sampling subassembly 9 including activity board 901, activity board 901 front side fixedly connected with spacing section of thick bamboo 903, the inside slidable mounting of spacing section of thick bamboo 903 has needle pipe 904, needle pipe 904 one side fixedly connected with third pinion rack 905, the meshing of third pinion rack 905 is connected with third gear 902, activity board 901 front side rotation installation third gear 902 for the user can control third gear 902 control needle pipe 904 and carry out slow decline, reduces because the unstable problem that causes the puncture too dark and puncture position to take place the skew of hand. Through inside scram pole 908 and the link that still is equipped with of fly leaf 901, scram pole 908 has connecting plate 914 through the link contact, connecting plate 914 one side fixedly connected with kelly 915, fly leaf 901 passes through first spring movable mounting kelly 915, kelly 915 receives first spring drive contact third gear 902, make when meetting proruption situation, can press scram pole 908, the link transmits, then make connecting plate 914 no longer retrain, can do ejecting action, then card dead third gear 902, make third gear 902 no longer rotate, greatly reduced the requirement of puncture to the operation experience, puncture location and stability are effectively improved.
In summary, the following steps: this amniotic fluid puncture sampling device and sampling method thereof, through supporting cabinet 1, bed board 3, drive assembly 5, fly leaf 901, spacing section of thick bamboo 903, needle pipe 904, third pinion rack 905, third gear 902, emergency stop pole 908, linkage, connecting plate 914 and card pole 915 cooperation, solved traditional puncture sampling and detection and mostly held the syringe by hand to the doctor and carry out the sample, require higher to doctor's professional level, be difficult to the problem that the very fast shang shou carries out puncture sampling and detection. Meanwhile, the movement of the bed plate is synchronous with the sampling component 9, so that the movement of the pregnant woman is reduced as much as possible, the sampling efficiency is improved, and the invention also has an emergency stop function and improves the sampling safety.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention. The scope of applicability of the present invention is defined by the appended claims and their equivalents.
List of reference numerals:
1. a support cabinet;
2. a slide rail;
3. a bed board;
4. a first gear;
5. a transmission assembly;
501. a connecting rod;
502. a fixing plate;
503. a movable shaft;
504. a second gear;
505. a connecting frame;
506. a transmission belt;
507. a first runner;
508. a limiting ring;
509. a second rotating wheel;
510. a clamping block;
511. clamping;
512. clamping a plate;
6. a first motor;
7. a first toothed plate;
8. a second toothed plate;
9. a sampling component;
901. a movable plate;
902. a third gear;
903. a limiting cylinder;
904. a needle tube;
905. a third toothed plate;
906. a liquid pump;
907. a transfusion tube;
908. a sudden stop lever;
909. a storage tube;
910. a movable tray;
911. fixing the disc;
912. a baffle plate;
913. a fixed seat;
914. a connecting plate;
915. a clamping rod;
916. a second motor;
10. and (4) rotating the rod.
Claims (10)
1. The utility model provides a amniotic fluid puncture sampling device, includes supporting cabinet (1), its characterized in that:
the upper part of the supporting cabinet (1) is slidably provided with a bed board (3), one side of the supporting cabinet (1) is also provided with a transmission component (5), the supporting cabinet (1) is connected with a sampling component (9) through the transmission component (5), the sampling component (9) is used for extracting amniotic fluid from the body of a pregnant woman,
wherein the sampling assembly (9) is configured to be able to approach or move away from the bed plate (3).
2. The amniotic fluid puncture sampling device of claim 1, wherein:
a first motor (6) is fixedly installed inside the supporting cabinet (1), an output shaft of the first motor (6) is fixedly connected with a first gear (4), the first gear (4) is connected with a first toothed plate (7) in a meshed mode, and the lower portion of the bed plate (3) is fixedly connected with the first toothed plate (7);
the upper part of the supporting cabinet (1) is provided with a sliding rail (2), and the bed board (3) is connected with the sliding rail (2) in a sliding manner.
3. The amniotic fluid puncture sampling device of claim 2, wherein:
the transmission assembly (5) comprises a connecting rod (501), one end of the connecting rod (501) is fixedly connected with the supporting cabinet (1), the other end of the connecting rod (501) is fixedly connected with a fixing plate (502), and a movable shaft (503) is rotatably arranged in the fixing plate (502);
the inner side of the movable shaft (503) is fixedly connected with a second gear (504), the second gear (504) is indirectly meshed with a second toothed plate (8) through a reverse gear, and the lower side of the bed plate (3) is fixedly connected with the second toothed plate (8).
4. An amniotic fluid puncture sampling device according to claim 3, wherein:
the sampling assembly (9) comprises a movable plate (901), a limiting cylinder (903) is fixedly connected to the front side of the movable plate (901), a needle tube (904) is installed in the limiting cylinder (903) in a sliding mode, a third toothed plate (905) is fixedly connected to one side of the needle tube (904), the third toothed plate (905) is connected with a third gear (902) in a meshing mode, the third gear (905) is installed on the front side of the movable plate (901) in a rotating mode, a quick-stop rod (908) and a linkage piece are further arranged in the movable plate (901), the quick-stop rod (908) is in contact with a connecting plate (914) through the linkage piece, a clamping rod (915) is fixedly connected to one side of the connecting plate (914), the movable plate (901) is movably installed on the clamping rod (902) through a first spring, and the clamping rod (915) is driven by the first spring to be in contact with the third gear (903);
a second motor (916) is fixedly installed on the movable plate (901), the output end of the second motor (916) is fixedly connected with the third gear (902),
the linkage piece comprises a fixed disc (911), the movable disc (911) is fixedly connected inside the movable plate (901), the emergency stop rod (908) is connected with the fixed disc (911) in a sliding mode on the outer portion, and the movable disc (910) is movably mounted on the upper portion of the fixed disc (911) through a second spring.
5. The amniotic fluid puncture sampling device of claim 4, wherein:
the lower part of the quick stop rod (908) is fixedly connected with a baffle (912), and the baffle (912) is in contact with the connecting plate (914).
6. The amniotic fluid puncture sampling device of claim 4, wherein:
the movable plate (901) is fixedly connected with a fixed seat (913) inside, the fixed seat (913) is movably mounted with the clamping rod (915) through a first spring, the upper part of the movable plate (901) is fixedly mounted with a liquid pump (906), the input end of the liquid pump (906) is connected with an infusion tube (907), one end of the infusion tube (907) far away from the liquid pump (906) is fixedly connected with the needle tube (904), and the output end of the liquid pump (906) is fixedly connected with a storage tube (909).
7. An amniotic fluid puncture sampling device according to claim 6, wherein:
the sampling assembly (9) is capable of angular offset while the bed plate (3) is moving,
a first rotating wheel (507) is clamped outside the movable shaft (503), a driving belt (506) is movably connected outside the first rotating wheel (507), the first rotating wheel (507) is movably connected with a second rotating wheel (509) through the driving belt (506), a connecting frame (505) is fixedly connected to the upper portion of the fixed plate (502), the second rotating wheel (509) is rotatably installed on the upper portion of the connecting frame (505), a rotating rod (10) is fixedly connected to the inner side of the second rotating wheel (509), and the movable plate (901) is detachably installed outside the rotating rod (10) through bolts.
8. An amniotic fluid puncture sampling device according to claim 7, wherein:
the outer side of the fixed plate (502) is fixedly connected with a limiting ring (508), a clamp (511) is elastically installed on the outer portion of the movable shaft (503), the clamp (511) is in movable contact with the limiting ring (508), a clamping block (510) is further arranged on the outer portion of the movable shaft (503), a clamping plate (512) is fixedly connected to the outer portion of the movable shaft (503), and the clamping plate (512) is in sliding connection with the second gear (504).
9. A amniotic fluid puncture sampling method is characterized in that: the amniotic fluid puncture sampling method uses the amniotic fluid puncture sampling device of claims 1-8.
10. The amniotic fluid puncture sampling method of claim 9, wherein: the amniotic fluid puncture sampling method comprises the following steps:
s1: in the initial state, the needle tube (904) of the sampling assembly (9) is kept in a vertical state;
s2: the pregnant woman lies on the bed plate (3) and the sampling needle is approximately aligned to the most uplifted part of the abdomen of the pregnant woman;
s3: under the guidance of B-ultrasonic, determining an expected needle inserting position, and if the needle inserting position is near the midline of the abdomen, enabling the pregnant woman to lie on the back; if the needle insertion position is on the right side of the abdomen, the pregnant woman lies on the left side; if the needle insertion position is on the left side of the abdomen, the pregnant woman lies on the right side; thereafter, the pregnant woman is no longer moved;
s4: according to whether the expected needle inserting position is located above the abdomen or below the abdomen, the first motor (6) is controlled to rotate, so that the first gear (4) drives the bed plate (3) to move along the longitudinal direction of the bed plate (3), and meanwhile, the movement of the bed plate (3) is transmitted through the second toothed plate (8), the reverse gear, the second gear (504), the movable shaft (503), the first rotating wheel (507), the transmission belt (506), the second rotating wheel (509) and the rotating rod (10) to drive the sampling assembly (9) to rotate;
s5: controlling the second motor (916) to rotate so that the needle tube (904) moves toward the abdomen of the pregnant woman, inserting into the abdomen;
s6: starting a liquid pump (906) to pump the amniotic fluid;
s7: the second motor (916) is controlled to rotate so that the needle tube (904) is moved away from the abdomen of the pregnant woman.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210335577.2A CN114680944A (en) | 2022-03-31 | 2022-03-31 | Amniotic fluid puncture sampling device and sampling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210335577.2A CN114680944A (en) | 2022-03-31 | 2022-03-31 | Amniotic fluid puncture sampling device and sampling method thereof |
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| CN114680944A true CN114680944A (en) | 2022-07-01 |
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| CN202210335577.2A Pending CN114680944A (en) | 2022-03-31 | 2022-03-31 | Amniotic fluid puncture sampling device and sampling method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117643481A (en) * | 2024-01-30 | 2024-03-05 | 佳木斯大学 | Anti-blocking amniotic fluid sampler for obstetrics and gynecology department |
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- 2022-03-31 CN CN202210335577.2A patent/CN114680944A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117643481A (en) * | 2024-01-30 | 2024-03-05 | 佳木斯大学 | Anti-blocking amniotic fluid sampler for obstetrics and gynecology department |
| CN117643481B (en) * | 2024-01-30 | 2024-04-16 | 佳木斯大学 | Anti-blocking amniotic fluid sampler for obstetrics and gynecology department |
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Application publication date: 20220701 |