CN111281500B - Obstetrical membrane-breaking amniotic fluid drainage device - Google Patents
Obstetrical membrane-breaking amniotic fluid drainage device Download PDFInfo
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- CN111281500B CN111281500B CN202010086873.4A CN202010086873A CN111281500B CN 111281500 B CN111281500 B CN 111281500B CN 202010086873 A CN202010086873 A CN 202010086873A CN 111281500 B CN111281500 B CN 111281500B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
- A61B17/4208—Instruments for rupturing the amniotic membrane
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- A61M1/0023—
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
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Abstract
The invention discloses a membrane-breaking amniotic fluid drainage device for obstetrical department, which mainly comprises an end head, a drainage middle frame, a middle pipe, a side water absorption seat, a diaphragm pump, a cover plate and an outer frame, wherein symmetrically arranged inserted rods are fixedly arranged at the edge of the bottom end of the cover plate. The invention has reasonable structural design, when the membrane is broken, the fetal membrane protrudes into the device, the displacement range of the needle head is small, no harm is caused to other parts, and the needle head hidden in the whole process is safer while ensuring the smooth membrane breaking; the overflowed amniotic fluid is absorbed regularly, so that the excessive overflow is avoided to pollute the operating environment; the transmission part of the device is mostly provided with a perspective part, so that the safety and the visibility of the operation are ensured.
Description
Technical Field
The invention relates to a drainage device, in particular to a membrane-breaking amniotic fluid drainage device for an obstetrical department.
Background
The artificial rupture of the membrane is one of the commonly used methods for induction of labor and induction of labor in obstetrics, the rupture of the membrane can make amniotic fluid in the membrane flow out to change the volume of the uterine cavity, and the rupture of the membrane can also make lysosomes in amniotic cells release phosphatase to promote the synthesis of prostaglandin, thereby triggering the change of uterine dynamics to start uterine contraction. The membrane rupture can soften the cervix uteri of the lying-in woman, the expansion of the uterine orifice, the uterine contraction is strengthened, in obstetrical department, to the lying-in woman of the situation such as overdue pregnancy, extension of labor, too much amniotic fluid, etc., the most common intervention means is artificial membrane rupture, there are two kinds of artificial membrane rupture modes at present, one kind is that medical personnel stretch into the vagina with the middle and index finger of the left hand first and guide, the right hand holds the forceps holder of the tooth forceps, tears the fetal membrane, and use the finger to expand the rupture, the finger should stay in the vagina after rupture of the membrane, after 1-2 times of uterine contraction the fetal head enters the basin, take out the finger, when adopting the membrane rupture of this kind of mode, the amniotic fluid gushes out suddenly or the amniotic fluid outflows and pollutes the medical personnel' clothes; another kind is to the intravaginal drainage tube of packing into, intraductal sliding connection rupture of membranes needle, utilize the drainage tube to carry out the drainage to the amniotic fluid behind the rupture of membranes, because the diameter of drainage tube is fixed, along with fetal membrane open-ended increase, the amniotic fluid can flow from the drainage tube outside, the drainage effect of these two kinds of rupture of membranes modes is all not good, be unfavorable for the collection of amniotic fluid, and the amniotic fluid spouts or the amniotic fluid outflow not only can pollute rupture of membranes person's clothing influences the environment of hospital suddenly when rupture of membranes, it is very inconvenient, so need a novel obstetrical department rupture of membranes amniotic fluid drainage device.
Disclosure of Invention
The invention aims to provide a membrane-breaking amniotic fluid drainage device for an obstetrical department, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an obstetrical membrane breaking amniotic fluid drainage device mainly comprises a handle, an end head, a drainage middle frame, a middle tube, a side water absorption seat, a diaphragm pump, a cover plate and an outer frame, wherein symmetrically arranged inserted rods are fixedly installed at the edge of the bottom end of the cover plate, slots matched with the inserted rods are formed in the side wall of the edge of the upper part of the outer frame, a bottom plate is fixedly installed at the bottom end of the outer frame, an extension tube is fixedly installed on the right side of the cover plate in a penetrating mode, and an anti-abrasion tube is installed at the top end of the extension tube in a compression joint mode;
a diaphragm pump is fixedly arranged on the right side in the handle, an outlet at the right end of the diaphragm pump is assembled and connected with the end part of an anti-abrasion pipe, a flow rotor is fixedly arranged at the left end of the diaphragm pump, a reversing valve is fixedly arranged on the outer wall of the left end of the handle, a control panel is fixedly arranged on the inner wall of the bottom end of the handle, a button is fixedly arranged on the outer wall of the left part of the bottom end of the handle in an embedded mode, and a middle pipe is arranged on the outer side of the left part of the handle in a clamping and sleeving mode;
fixed mounting is established to well pipe right part outside cover has the seat that absorbs water of side, well pipe outer wall cover is established and is installed the sponge cover, well pipe left end fixed mounting has the seat of connecing soon, connects the inside end of connecing soon in seat left side soon, and the horn mouth has been seted up to the end left end, end and sponge cover outside cover are established and are installed the overcoat, the inboard right part fixed mounting in end has the inside casing, and the drainage centre frame is installed to the inboard joint of inside casing, and drainage centre frame right-hand member erection joint has the hose, hose right-hand member and switching-over valve left end opening erection joint, inside casing left end middle part seted up with the drainage in put up complex mesopore.
As a further scheme of the invention: the drainage middle frame mainly comprises a clamping seat, a converging shell, a rubber sleeve, a needle head, an end pipe, a pull head, a drainage pipe, a sliding plate, an annular groove, a rotary seat, a suction head and a spring, wherein the annular groove matched with the inner frame is formed in the outer wall of the clamping seat, the converging shell is embedded and installed in the middle of the clamping seat, the end pipe is fixedly installed at the right end of the converging shell, the right end of the end pipe is connected with the left end of a hose, the pull head is fixedly installed on the right side wall of the clamping seat, the drainage pipe is symmetrically arranged and clamped at the left end of the converging shell, the suction head is fixedly installed at the left end of the drainage pipe, the sliding plate is sleeved and installed on the outer side of the suction head, a convex snap ring is fixedly installed on the inner wall of the sliding plate, the rubber sleeve is sleeved and installed on the outer side wall of the rubber sleeve and closely contacts with the inner wall of the inner frame in a sliding manner, the spring is fixedly installed at the right end of the spring and fixedly connected with the left end of the converging shell, the rotary seat is rotatably installed in the middle of the left end of the sliding plate, the left end of the rotary seat is fixedly provided with a needle head.
As a still further scheme of the invention: the side seat that absorbs water mainly includes pocket cover, sponge, connecting pipe and the dish that absorbs water, the inseparable joint of pocket cover inner wall and well tub right part outer wall, pocket cover left side wall fixed mounting has the dish that absorbs water, and the dish that absorbs water is close to well tub one end fixed mounting and has the connecting pipe that the symmetry set up, well tub right part seted up with connecting pipe complex poling hole, connecting pipe tip and switching-over valve port be assembled between/be connected between, the pore has been seted up to the dish left side wall that absorbs water, the pocket cover inner wall is located the dish left part fixed mounting that absorbs water and has the sponge.
As a still further scheme of the invention: the outer frame is characterized in that a perspective plate is fixedly installed on the front side wall of the outer frame in an embedded mode, and scales are carved on the outer wall, located at the perspective plate, of the outer frame.
As a still further scheme of the invention: the middle part of the top end of the cover plate is fixedly provided with a handle, and the middle part of the handle is sleeved with an anti-slip sleeve.
As a still further scheme of the invention: and a baffle ring is fixedly arranged on the outer wall of the left part of the grip.
As a still further scheme of the invention: the control panel is electrically connected with the diaphragm pump, the flow rotor and the reversing valve through a wiring harness, and the control panel is electrically connected with an external power supply through the wiring harness.
Compared with the prior art, the invention has the beneficial effects that:
the invention has reasonable structural design, when the membrane is broken, the fetal membrane protrudes into the device, the displacement range of the needle head is small, no harm is caused to other parts, and the needle head hidden in the whole process is safer while ensuring the smooth membrane breaking; the overflowed amniotic fluid is absorbed regularly, so that the excessive overflow is avoided to pollute the operating environment; the transmission part of the device is mostly provided with a perspective part, so that the safety and the visibility of the operation are ensured.
Drawings
Fig. 1 is a schematic structural diagram of an obstetrical membrane rupture amniotic fluid drainage device.
Fig. 2 is a schematic cross-sectional view of the interior of the upper half of an obstetrical membrane rupture amniotic fluid drainage device.
Fig. 3 is a schematic top view of an outer frame in the obstetrical membrane rupture amniotic fluid drainage device.
Fig. 4 is a schematic structural diagram of a water absorbing disc, a connecting pipe and a reversing valve in the obstetrical membrane-breaking amniotic fluid drainage device.
Fig. 5 is a schematic sectional view among the tip, the inner frame, the sliding plate, the needle head, the drainage tube, the confluence shell and the middle tube in the obstetrical membrane rupture amniotic fluid drainage device.
Fig. 6 is a schematic sectional view among a needle head, a sliding plate, a drainage tube, a confluence shell, a clamping seat and a spring in the obstetrical membrane rupture amniotic fluid drainage device.
Fig. 7 is a schematic position diagram of the outer frame, the inserted bar, the extension pipe and the cover plate in the obstetrical membrane rupture amniotic fluid drainage device.
Fig. 8 is a schematic position diagram among a sliding plate, a drainage tube and a suction head in the obstetrical membrane rupture amniotic fluid drainage device.
In the figure: the anti-abrasion device comprises a handle 1, an outer sleeve 2, a hood 3, an anti-abrasion pipe 4, a cover plate 5, an outer frame 6, a perspective plate 7, an extension pipe 8, a diaphragm pump 9, a control plate 10, a flow rotor 11, a sponge 12, a connecting pipe 13, a reversing valve 14, a middle pipe 15, a clamping seat 16, a confluence shell 17, a rubber sleeve 18, a needle 19, an inner frame 20, a bell mouth 21, a tip 22, a middle hole 23, an end pipe 24, a screwing seat 25, a sponge sleeve 26, a hose 27, a baffle ring 28, a water absorption disc 29, a fine hole 30, a pull head 31, a drainage tube 32, a sliding plate 33, a ring groove 34, a screwing seat 35, a suction head 36, a spring 37, a convex clamping ring 38, an inserted rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 8, in the embodiment of the invention, an obstetrical membrane rupture amniotic fluid drainage device mainly comprises an end 22, a drainage middle frame, a middle tube 15, a side water absorption seat, a diaphragm pump 9, a cover plate 5 and an outer frame 6, wherein symmetrically arranged insertion rods 39 are fixedly installed at the edge of the bottom end of the cover plate 5, slots matched with the insertion rods 39 are formed in the side wall of the edge of the upper part of the outer frame 6, a bottom plate is fixedly installed at the bottom end of the outer frame 6, an extension tube 8 is fixedly installed on the right side of the cover plate 5 in a penetrating mode, and an anti-abrasion tube 4 is installed at the top end of the extension tube 8 in a compression mode;
a diaphragm pump 9 is fixedly installed on the right side inside the handle 1, an outlet at the right end of the diaphragm pump 9 is in assembly connection with the end part of the abrasion-proof pipe 4, a flow rotor 11 is fixedly installed at the left end of the diaphragm pump 9, a reversing valve 14 is fixedly installed on the outer wall of the left end of the handle 1, a control panel 10 is fixedly installed on the inner wall of the bottom end of the handle 1, a button 41 is fixedly installed on the outer wall of the left part of the bottom end of the handle 1 in an embedded mode, and a middle pipe 15 is installed on the outer side of the left part of the handle 1 in a clamping and sleeving mode;
fixed mounting is established to well 15 right parts outside cover of pipe has the seat that absorbs water of side, well 15 outer wall covers of pipe are established and are installed sponge cover 26, well 15 left ends fixed mounting has connect seat 25 soon, connects seat 25 left side inside soon to connect soon and install end 22, and horn mouth 21 has been seted up to end 22 left end, end 22 and the cover 26 outside cover are established and are installed overcoat 2, 22 inboard right parts fixed mounting in end has inside casing 20, and the drainage centre frame is installed to the inboard joint of inside casing 20, and the drainage centre frame right-hand member assembled mounting has hose 27, hose 27 right-hand member and 14 left end openings assembled connection of switching-over valve, set up at the middle part of the 20 left ends of inside casing with drainage centre frame complex mesopore 23.
The drainage middle frame mainly comprises a handle 1, a clamping seat 16, a converging shell 17, a rubber sleeve 18, a needle 19, an end pipe 24, a pull head 31, a drainage pipe 32, a sliding plate 33, a ring groove 34, a rotary seat 35, a suction head 36 and a spring 37, wherein the outer wall of the clamping seat 16 is provided with the ring groove 34 matched with an inner frame 20, the converging shell 17 is embedded and installed in the middle of the clamping seat 16, the end pipe 24 is fixedly installed at the right end of the converging shell 17, the right end of the end pipe 24 is connected with the left end of a hose 27, the pull head 31 is fixedly installed on the right side wall of the clamping seat 16, the drainage pipe 32 symmetrically arranged is installed at the left end of the converging shell 17 in a clamping way, the suction head 36 is fixedly installed at the left end of the drainage pipe 32, the sliding plate 33 is installed on the outer side of the suction head 36 in a sleeved way, the inner wall where the sliding plate, slide 33 right-hand member fixed mounting has spring 37, spring 37 right-hand member and converge casing 17 left end fixed connection, slide 33 left end middle part connects soon to install and revolves seat 35, revolves seat 35 left end fixed mounting and has syringe needle 19.
Side seat of absorbing water mainly includes pocket cover 3, sponge 12, connecting pipe 13 and the dish 29 that absorbs water, the inseparable joint of pocket cover 3 inner wall and well 15 right parts outer wall, 3 left side wall fixed mounting of pocket cover have the dish 29 that absorbs water, and the dish 29 that absorbs water is close to well 15 one end fixed mounting of pipe 13 that the symmetry set up, well 15 right parts seted up with connecting pipe 13 complex poling hole, connecting pipe 13 tip and 14 port assembly connections of switching-over valve, pore 30 has been seted up to the dish 29 left side wall that absorbs water, 3 inner walls of pocket cover are located the dish 29 left part fixed mounting that absorbs water and have sponge 12.
The outer frame 6 is characterized in that a perspective plate 7 is fixedly installed on the front side wall in an embedded mode, and scales are carved on the outer wall, located at the perspective plate 7, of the outer frame 6.
A lifting handle 40 is fixedly arranged in the middle of the top end of the cover plate 5, and an anti-slip sleeve is sleeved in the middle of the lifting handle 40.
And a baffle ring 28 is fixedly arranged on the outer wall of the left part of the handle 1.
The control panel 10 is electrically connected with the diaphragm pump 9, the flow rotor 11 and the reversing valve 14 through a wiring harness, and the control panel 10 is electrically connected with an external power supply through the wiring harness.
The working principle of the invention is as follows:
the invention relates to a membrane rupture amniotic fluid drainage device for obstetrical department, wherein a middle tube 15 is made of rubber, can deform in a small range and can be inserted into the body of a patient for sealing, a bell mouth 21 in the middle of an end 22 is abutted to the outer side of a fetal membrane, a diaphragm pump 9 is opened through a button 41, and a space of an inner frame 20 positioned at the left part of a sliding plate 21 is pumped through a drainage tube 32, so that the air pressure at the left part of the inner frame 20 is reduced, the air pressure at the right part of the inner frame 20 is high, the air pressure difference overcomes the elasticity of a spring 37, the sliding plate 21 slides leftwards, at the moment, the left end of a needle 19 is inserted into the fetal membrane for membrane rupture, and when the membrane rupture is performed, the fetal membrane protrudes into the bell mouth 21, the displacement range of the needle 19 is small, no damage can be caused to other parts;
the gap between the body and the equipment is filled through the sponge sleeve 26 to avoid overflow, the sponge 12 is pressed on the surface of the body through the side water absorption seat, the overflowed amniotic fluid is absorbed by the sponge 12, the control panel 10 carries out reversing action of the reversing valve 14 regularly through a preset program, and the amniotic fluid stored in the sponge 12 is recycled regularly through the water absorption disc 29 to avoid excessive overflow to pollute the operating environment;
flow detection is carried out through flow rotor 11 to the amniotic fluid of drainage, reduces abnormal state when the flow, for example when crossing low, alright with outside through the real-time transmission of control panel 10, show through external display screen, the suggestion user blocks up or the amniotic fluid has been inhaled, abrasionproof pipe 4 also is transparent, can observe through perspective board 7 and the scale of frame 6 simultaneously, cooperation medical personnel open according to the experience and stop control, guarantee the safety of operation visible.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. An obstetrical membrane rupture amniotic fluid drainage device mainly comprises an end (22), a drainage middle frame, a middle tube (15), a side water absorption seat, a diaphragm pump (9), a cover plate (5), a handle (1) and an outer frame (6), and is characterized in that inserting rods (39) which are symmetrically arranged are fixedly installed at the edge of the bottom end of the cover plate (5), inserting slots matched with the inserting rods (39) are formed in the side wall of the edge of the upper part of the outer frame (6), a bottom plate is fixedly installed at the bottom end of the outer frame (6), an extension tube (8) is fixedly installed on the right side of the cover plate (5) in a penetrating mode, and an anti-abrasion tube (4) is installed at the top end of the extension tube (8) in a compression mode;
a diaphragm pump (9) is fixedly mounted on the right side inside the handle (1), an outlet at the right end of the diaphragm pump (9) is in end assembly connection with the abrasion-proof pipe (4), a flow rotor (11) is fixedly mounted at the left end of the diaphragm pump (9), a reversing valve (14) is fixedly mounted on the outer wall of the left end of the handle (1), a control panel (10) is fixedly mounted on the inner wall of the bottom end of the handle (1), a button (41) is fixedly mounted on the outer wall of the left portion of the bottom end of the handle (1), and a middle pipe (15) is sleeved on the outer side of the left portion of the handle (1) in a clamping manner;
the outer side of the right part of the middle pipe (15) is sleeved with a side water absorption seat, the outer wall of the middle pipe (15) is sleeved with a sponge sleeve (26), the left end of the middle pipe (15) is fixedly provided with a screwing seat (25), the inside of the left side of the screwing seat (25) is screwed with an end head (22), the left end of the end head (22) is provided with a bell mouth (21), the outer side of the end head (22) and the sponge sleeve (26) is sleeved with an outer sleeve (2), the right part of the inner side of the end head (22) is fixedly provided with an inner frame (20), the inner side of the inner frame (20) is clamped with a drainage middle frame, the right end of the drainage middle frame is assembled with a hose (27), the right end of the hose (27) is assembled and connected with an opening at the left end of a reversing valve (14), and the middle hole (23) matched with the drainage middle frame is formed in the middle part of the left end of the inner frame (20);
the drainage middle frame mainly comprises a clamping seat (16), a confluence shell (17), a rubber sleeve (18), a needle head (19), an end pipe (24), a pull head (31), a drainage tube (32), a sliding plate (33), an annular groove (34), a rotary seat (35), a suction head (36) and a spring (37), wherein the outer wall of the clamping seat (16) is provided with the annular groove (34) matched with an inner frame (20), the confluence shell (17) is embedded and installed in the middle of the clamping seat (16), the end pipe (24) is fixedly installed at the right end of the confluence shell (17), the right end of the end pipe (24) is connected with the left end of a hose (27), the right side wall of the clamping seat (16) is fixedly installed with the pull head (31), the drainage tube (32) symmetrically arranged is installed at the left end of the confluence shell (17) in a clamping manner, the suction head (36) is fixedly installed at the left end of the drainage tube (32), the sliding plate (33) is installed at the outer side of the suction head (36) in a sleeving manner, and a convex clamping ring (38) is fixedly installed at the inner wall of the sliding plate (33), slide (33) outside cover is established and is installed gum cover (18), gum cover (18) outer wall and inside casing (20) inner wall slip in close contact with, slide (33) right-hand member fixed mounting has spring (37), spring (37) right-hand member and converge shell (17) left end fixed connection, slide (33) left end middle part connects soon and installs and revolve seat (35), revolves seat (35) left end fixed mounting and has syringe needle (19).
2. The obstetrical membrane rupture amniotic fluid drainage device of claim 1, wherein the side water absorption seat mainly comprises a hood (3), a sponge (12), a connecting pipe (13) and a water absorption disc (29), the inner wall of the hood (3) is tightly clamped with the outer wall of the right part of the middle pipe (15), the water absorption disc (29) is fixedly mounted on the left side wall of the hood (3), the connecting pipe (13) symmetrically arranged is fixedly mounted on the end, close to the middle pipe (15), of the water absorption disc (29), a pipe penetrating hole matched with the connecting pipe (13) is formed in the right part of the middle pipe (15), the end part of the connecting pipe (13) is connected with a port of a reversing valve (14) in an assembling manner, a fine hole (30) is formed in the left side wall of the water absorption disc (29), and the sponge (12) is fixedly mounted on the left part of the inner wall of the hood (3) in the water absorption disc (29).
3. The obstetrical membrane-breaking amniotic fluid drainage device according to claim 1, wherein a perspective plate (7) is fixedly mounted on the front side wall of the outer frame (6), and scales are engraved on the outer wall of the outer frame (6) at the perspective plate (7).
4. The obstetrical membrane breaking amniotic fluid drainage device according to claim 1, wherein a handle (40) is fixedly mounted in the middle of the top end of the cover plate (5), and an anti-slip sleeve is sleeved in the middle of the handle (40).
5. The obstetrical membrane rupture amniotic fluid drainage device according to claim 1, wherein a baffle ring (28) is fixedly mounted on the outer wall of the left portion of the handle (1).
6. The obstetrical membrane rupture amniotic fluid drainage device according to claim 1, wherein the control board (10) is electrically connected with the diaphragm pump (9), the flow rotor (11) and the reversing valve (14) through a wiring harness, and the control board (10) is electrically connected with an external power supply through a wiring harness.
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CN109893228A (en) * | 2019-04-22 | 2019-06-18 | 卜令真 | A kind of obstetrics' artificial membrane rupture amniotic fluid drainage combined device |
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CN106798588B (en) * | 2017-03-29 | 2019-04-05 | 余军辉 | Rupture of membranes sucker |
CN107280711A (en) * | 2017-06-17 | 2017-10-24 | 青岛江河湖海创新技术研究院有限公司 | A kind of new amniotic fluid membrane puncture needle |
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US4280508A (en) * | 1979-12-27 | 1981-07-28 | Barrada M Ismail | Method for positioning a fluid withdrawing means by detecting local temperature |
US4807625A (en) * | 1987-07-07 | 1989-02-28 | Singleton Rosa R | Membrane puncturing aspirator with drainage shield |
CN109259831A (en) * | 2018-09-21 | 2019-01-25 | 王书君 | A kind of amniotic fluid rupture of membranes drainage device of obstetrics and gynecology department anti-overflow |
CN109620370A (en) * | 2019-01-21 | 2019-04-16 | 陈琦 | A kind of obstetrics' membrane puncture needle |
CN109893228A (en) * | 2019-04-22 | 2019-06-18 | 卜令真 | A kind of obstetrics' artificial membrane rupture amniotic fluid drainage combined device |
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