CN111616780B

CN111616780B - Adjustable safe rupture of membranes device that gynaecology and obstetrics used

Info

Publication number: CN111616780B
Application number: CN202010559620.4A
Authority: CN
Inventors: 贾红艳; 包晗
Original assignee: Individual
Current assignee: Jia Hongyan
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-03-23
Anticipated expiration: 2040-06-18
Also published as: CN111616780A

Abstract

The invention discloses an adjustable safe membrane rupturing device for obstetrics and gynecology department, and belongs to the technical field of medical instruments. The membrane rupture device mainly comprises a cavity main body, a membrane rupture element, a liquid collection element and a power supply, wherein the membrane rupture element comprises a cleaning mounting plate, a membrane rupture needle and a vagina expansion adjusting cover, and the vagina expansion adjusting cover comprises a plurality of expansion plates, a folding inflation cover arranged between two adjacent expansion plates and a micro inflation pump; before the membrane is not broken, each folding inflatable cover is in a folding state, so that the size of the whole membrane is smaller, a membrane breaking element is conveniently placed at the position of a fetal membrane, the vaginal opening of a pregnant woman is not damaged, when the membrane is entered into the position of the fetal membrane, the folding inflatable cover is inflated, the whole membrane is propped up to be attached to the fetal membrane, and the amniotic fluid after membrane breaking is pumped into a fluid collecting element from the membrane enlarging adjustable cover through negative pressure.

Description

Adjustable safe rupture of membranes device that gynaecology and obstetrics used

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to an adjustable safe membrane rupturing device for obstetrics and gynecology department.

Background

The amniotic fluid is a liquid filled in the amniotic cavity, and can provide a large moving range for the fetus, so that the fetus can do proper respiratory motion and limb movement in the cavity of the official organ, the joint fixation, the limb deformity and the adhesion of the fetal limb are prevented, the development of the fetus is facilitated, the external pressure can be balanced, the impact of external violence is reduced, and the fetus is protected.

In obstetrics and gynecology department, the amniotic fluid envelope can naturally break to release amniotic fluid before parturient production, so that fetus can smoothly produce, but for parturient with hypodynamia and difficulty in uterine contraction in active period, the parturient generally needs to help production by means of artificial membrane breaking method, and at the moment, medical staff is needed to puncture the envelope to drain the amniotic fluid. The artificial rupture of membranes means that the rupture of membranes at the uterine cavity is intervened and torn in an artificial mode, so that the color of amniotic fluid is observed, uterine contraction is strengthened, the progress of labor is accelerated, and a rupture device is needed when the artificial rupture of membranes is carried out on a puerpera.

The existing membrane breaking device has the following defects: 1) before and during membrane rupture, the size of the membrane rupture element cannot be changed according to the situation, on one hand, the vaginal opening of a pregnant woman is easily damaged, and on the other hand, the membrane rupture element cannot be attached to a fetal membrane, so that amniotic fluid flows out easily to pollute the operation environment; 2) the pumped amniotic fluid cannot be filtered, so that the tissue components in the amniotic fluid can block a pipeline, the normal operation of the amniotic fluid collecting equipment is influenced, and the operation reliability of the whole device is influenced; 3) the intelligent degree is low, can not the audio-visual observation amniotic fluid volume of extraction, and the reliability is low.

Disclosure of Invention

Aiming at the technical problem, the invention provides an adjustable safe membrane rupturing device for obstetrics and gynecology department.

The technical scheme of the invention is as follows: an adjustable safe membrane rupturing device for obstetrics and gynecology department mainly comprises a cavity main body, a membrane rupturing element, a liquid collecting element and a power supply, wherein the front side of the cavity main body is provided with a first mounting hole, the rear side of the cavity main body is provided with a second mounting hole, and the bottom end of the cavity main body is provided with a handle;

an annular mounting plate is arranged on one side, close to the mounting opening, of the inner part of the cavity main body along the vertical direction, and a liquid outlet is formed in the bottom end of the cavity main body;

the membrane rupturing element comprises a cleaning mounting plate, a membrane rupturing needle and a vaginal expansion adjusting cover, wherein the cleaning mounting plate is arranged in the cavity main body and is close to one side of the mounting port, the cleaning mounting plate can slide left and right along the inner wall of the cavity main body under the driving of an electric telescopic rod, the membrane rupturing needle is arranged in the cavity main body in the horizontal direction, one end of the membrane rupturing needle penetrates through the center of the annular mounting plate and is connected with the cleaning mounting plate, the other end of the membrane rupturing needle penetrates through the mounting port and extends to the outside, the vaginal expansion adjusting cover is arranged at one position of the mounting port, the vaginal expansion adjusting cover comprises a plurality of expansion plates, folding inflation covers and miniature inflation pumps, the expansion plates are circumferentially;

the liquid collecting element comprises a liquid storage bottle movably arranged at the two positions of the mounting port, an exhaust valve is arranged at the upper end of the liquid storage bottle, a miniature negative pressure pump used for connecting the liquid outlet with the liquid storage bottle is arranged, and a one-way valve is further arranged at the joint of the liquid outlet and the liquid storage bottle.

Furthermore, the front side of the cavity main body is in threaded connection with a movable connector, a first installation opening is formed in the outer side of the movable connector, a fixed cylinder is movably arranged on the inner side of the movable connector, a fixed frame is arranged inside the fixed cylinder, a fixed through hole is formed in the center of the fixed through hole, an aseptic sponge ring is arranged in the center of the fixed through hole, a plurality of ultraviolet sterilizing lamps are uniformly arranged on the inner wall of the cavity main body, when the membrane breaking needle horizontally moves towards the inside of the cavity main body, amniotic fluid infected on the surface of the membrane breaking needle is preliminarily wiped through the aseptic sponge ring, after the membrane breaking needle completely enters the cavity main body, the membrane breaking needle is sterilized by the ultraviolet sterilizing lamps, meanwhile, the membrane breaking needle can be always in a sterilization state as required when not being used, so that the membrane breaking needle is prevented from being infected by a patient, when the aseptic sponge ring needs to be replaced, the movable connector is taken, and then the sterile sponge ring is taken down from the fixing through hole for replacement.

Furthermore, the fixing frame is composed of a plurality of fixing supporting rods, the centers of the fixing supporting rods are fixing through holes, the fixing supporting rods are arranged along the outer walls of the fixing through holes in a diverging mode, each fixing supporting rod is far away from one side of each fixing through hole and fixedly connected with the inner wall of the fixing barrel, a filling frame is formed between every two adjacent fixing supporting rods, a porous filter screen is filled inside each filling frame, the inner diameter of each fixing through hole is equal to the outer diameter of each membrane breaking needle, the middle of each membrane breaking needle is limited through a fixed through hole, bending of the membrane breaking needle is avoided, tissue impurities in the drawn amniotic fluid are adsorbed through the porous filter screens, liquid outlet blockage or pipeline blockage caused by the tissue impurities is avoided, normal work of the miniature negative pressure pump is influenced, and the.

Further, every expansion board front side all is equipped with soft silica gel circle, and every expansion board outer wall is equipped with soft silica gel and expands the negative layer, avoids causing the secondary damage to the pregnant woman through soft silica gel circle, expands the negative layer through soft silica gel and avoids causing the damage to the pregnant woman vagina.

Further, still include the intellectual detection system component, the intellectual detection system component is including controlling the controller of each electrical component normal operating, locating expand in the cloudy regulation cover and be used for negative pressure detection's pressure sensor, locate be used for the electronic level gauge that the liquid level detected in the stock solution bottle, be used for the alarm of unusual warning, detect through pressure sensor and expand the negative pressure between cloudy regulation cover and the pregnant woman fetal membrane, avoid the too big fetal extrusion that causes of causing of pressure and cause discomfort or undersure to the pregnant woman, can not take unnecessary amniotic fluid out, the work efficiency of reducing means, the liquid level of amniotic fluid in the stock solution bottle is shown through the electronic level gauge, the amniotic fluid volume of the control extraction of being convenient for, avoid taking out many influences fetal development.

Further, be equipped with the finger on the hand (hold) and wear the cover, the finger is worn to overlap and is the elasticity material, and hand (hold) outer wall cover is equipped with the anti-skidding rubber circle, and medical personnel inserts each finger and inserts the finger that corresponds and wear the cover, and simultaneously, the frictional force that utilizes the anti-skidding rubber circle increases the frictional force of medical personnel palm, prevents the slippage, causes the unnecessary injury to the pregnant woman.

Further, cavity main part lateral wall articulates there is the washing door, it is equipped with the sealing washer to wash an inner wall, and the purpose that sets up the washing door is inside for the convenient clean cavity main part, avoids long-time using to breed bacterium or germ, takes place the infection when causing the pregnant woman to rupture of membranes, and the purpose that sets up the sealing washer is avoided the inside amniotic fluid of taking out of cavity main part to spill from washing door department.

Furthermore, cavity main part front side lock joint has the shutoff lid, every expansion inboard wall front side all is equipped with the rigging board, and soft silica gel circle locates the rigging board bottom, evenly is equipped with a plurality of negative pressure subsides holes that run through soft silica gel circle on the rigging board, when miniature negative pressure pump during operation, makes expand cloudy adjustment cover and produce the negative pressure, and at this moment, negative pressure air carries out adsorption area through the increase of negative pressure subsides hole to the fetal membrane, makes rigging board and fetal membrane laminate steadily, avoids shifting to pregnant woman fetal membrane scratch, can also prevent simultaneously that it spills to take place to shift because of expanding cloudy adjustment cover messenger's amniotic fluid, safe and reliable.

When the membrane breaking device is used for breaking membranes of pregnant women, the specific process is as follows:

(1) the medical staff takes off the blocking cover, inserts each finger into the corresponding finger sleeve, holds the handle and puts the vagina expansion adjusting cover into the fetal membrane needing to rupture the membrane through the vagina of the pregnant woman;

(2) the controller controls the micro inflator pump to start, the micro inflator pump inflates each folding inflation cover, when each folding inflation cover is inflated, the size of the vagina expanding adjusting cover is enlarged, the soft silica gel vagina expanding layer is used for expanding the vaginal orifice of the pregnant woman, the micro inflator pump is closed, at the moment, the controller controls the micro negative pressure pump to start, negative pressure is pumped by the micro negative pressure pump, negative pressure air is used for increasing the adsorption area of the fetal membrane through the negative pressure sticking hole, the sticking plate is stably stuck with the fetal membrane, at the moment, the controller controls the electric telescopic rod to start, the electric telescopic rod drives the cleaning mounting plate to slide to one side close to the mounting opening along the inner wall of the cavity main body, the membrane breaking needle moves in the same direction, the fetal membrane is broken after the membrane breaking needle is contacted with the fetal membrane, then the electric telescopic rod drives the cleaning mounting plate to slide to one side far away from the mounting opening along the inner wall of the cavity main, the membrane breaking needle enters the cavity body, at the moment, the drawn amniotic fluid enters the cavity body through the porous filter screen under the action of negative pressure, and flows into the liquid storage bottle through the liquid outlet and the one-way valve to temporarily store the amniotic fluid, meanwhile, the liquid level of the amniotic fluid in the liquid storage bottle is displayed by using the electronic liquid level meter, after the amniotic fluid is completely drawn, the controller controls the micro negative pressure pump to be closed, when the air pressure returns to be normal, the attaching plate is separated from the fetal membrane, then the gas filled in the folding inflatable cover is released, and the vagina expanding adjusting cover is taken out;

(3) when amniotic fluid passes through the porous filter screen, absorb its internal tissue debris through the porous filter screen, when miniature negative pressure pump during operation, detect the negative pressure between rigging board and the pregnant woman fetal membrane through pressure sensor, when pressure reachs the default, make miniature negative pressure pump close, when pressure is not enough, make miniature negative pressure pump open, when broken membrane needle gets into the cavity main part, preliminarily clean its surperficial amniotic fluid that is infected with when passing through aseptic sponge circle, after broken membrane needle gets into the cavity main part completely, utilize sterilamp to disinfect to broken membrane needle, and simultaneously, still can be as required, when making broken membrane needle not use, be in the bactericidal state all the time.

The invention has the beneficial effects that: the invention provides an adjustable safe membrane rupturing device for obstetrics and gynecology department, which has the following advantages:

(1) before the membrane is not broken, each folding inflatable cover is in a folding state, so that the size of the whole membrane is smaller, a membrane breaking element is conveniently placed at the position of a fetal membrane, the vaginal opening of a pregnant woman is not damaged, when the membrane is entered into the position of the fetal membrane, the folding inflatable cover is inflated, the whole membrane is propped up to be attached to the fetal membrane, and the amniotic fluid after membrane breaking is pumped into a fluid collecting element from the membrane enlarging adjustable cover through negative pressure.

(2) When the membrane breaking needle is used, the membrane breaking needle can extend to the outside of the cavity main body through the first mounting opening to break a membrane, and can enter the cavity main body again through the first mounting opening after being used, the membrane breaking needle can be preliminarily wiped by using the sterile sponge ring in the process of entering the cavity main body, meanwhile, the membrane breaking needle is sterilized by using an ultraviolet sterilizing lamp, so that the membrane breaking needle is convenient to use next time, meanwhile, the membrane breaking needle can be always in a sterilization state when not used according to needs, so that the membrane breaking needle is prevented from being infected with germs and cross infection, and when the sterile sponge ring needs to be replaced, the movable connector can be taken down, so that the sterile sponge ring is replaced, and the membrane breaking needle is clean, reliable and convenient to operate.

(3) According to the invention, the fixing barrel with the filtering structure is arranged at the mounting opening, so that the flowing amniotic fluid is filtered, tissue impurities in the amniotic fluid are removed and adsorbed, the phenomenon that the normal work of the miniature negative pressure pump is influenced due to the blockage of a liquid outlet or the blockage of a pipeline caused by the tissue impurities is avoided, the whole device cannot work normally, and meanwhile, the filtering structure can be cleaned regularly, so that the safe and stable operation of the whole device is ensured.

(4) According to the invention, the negative pressure between the vagina-enlarging adjusting cover and the fetal membrane of the pregnant woman is detected by the pressure sensor, so that the phenomenon that the fetus is extruded due to overlarge pressure and the pregnant woman is uncomfortable or under-stressed due to the overlarge pressure is avoided, the working efficiency of the device is reduced, the liquid level of the amniotic fluid in the liquid storage bottle is displayed by the electronic liquid level meter, the quantity of the extracted amniotic fluid is convenient to control, the phenomenon that the fetus development is influenced due to excessive pumping is avoided, and the intelligent integrated advantage is achieved.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

FIG. 3 is a schematic structural view of a fixed cylinder of the present invention;

FIG. 4 is a perspective view of the vaginal dilation adjustment cover of the present invention;

FIG. 5 is an enlarged view taken at A of FIG. 4 in accordance with the present invention;

FIG. 6 is a bottom view of the vaginal dilation adjustment cap of the present invention;

fig. 7 is an electrical connection diagram of the present invention.

Wherein, 1-cavity body, 10-mounting port I, 11-mounting port II, 12-handle, 120-finger sleeve, 121-antiskid rubber ring, 13-annular mounting plate, 14-liquid outlet, 15-movable connector, 150-fixed cylinder, 1500-fixed mount, 1501-fixed through hole, 1502-aseptic sponge ring, 1503-fixed support rod, 1504-filling frame, 1505-porous filter screen, 16-ultraviolet sterilizing lamp, 17-cleaning door, 170-sealing ring, 18-blocking cover, 2-membrane breaking element, 20-cleaning mounting plate, 21-membrane breaking needle, 22-negative expansion adjusting cover, 220-expansion plate, 2200-soft silica gel ring, 2201-soft silica gel negative expansion layer, 2202-attaching plate, 2203-negative pressure attaching hole, 221-a folding inflatable cover, 222-a miniature inflating pump, 3-a liquid collecting element, 30-a liquid storage bottle, 300-an exhaust valve, 31-a miniature negative pressure pump, 32-a one-way valve, 4-an intelligent detection element, 40-a controller, 41-a pressure sensor, 42-an electronic liquid level meter and 43-an alarm.

Detailed Description

Example (b): as shown in fig. 1 and 2, an adjustable safe membrane rupturing device for obstetrics and gynecology department mainly comprises a cavity main body 1, a membrane rupturing element 2, a liquid collecting element 3, an intelligent detection element 4 and a power supply, wherein the front side of the cavity main body is provided with a first mounting port 10, the rear side of the cavity main body is provided with a second mounting port 11, and the bottom end of the cavity main body is provided with a handle 12;

the handle 12 is provided with a finger sleeve 120, the finger sleeve 120 is made of elastic material, the outer wall of the handle 12 is sleeved with an anti-slip rubber ring 121, medical staff inserts each finger into the corresponding finger sleeve 120, meanwhile, the friction force of the palm of the medical staff is increased by using the friction force of the anti-slip rubber ring 121 to prevent slipping and cause unnecessary injury to pregnant women, one side of the cavity main body 1 close to a first mounting port 10 is provided with an annular mounting plate 13 along the vertical direction, the bottom end of the cavity main body 1 is provided with a liquid outlet 14, the front side of the cavity main body 1 is connected with a movable connector 15 in a threaded manner, as shown in figure 3, the first mounting port 10 is arranged at the outer side of the movable connector 15, the inner side of the movable connector 15 is movably provided with a fixed cylinder 150, a fixed frame 1500 through hole is arranged inside the fixed cylinder 150, the center of the fixed frame 1500 is provided with a fixed 1501, the, when the membrane breaking needle 21 moves horizontally towards the inside of the cavity body 1, amniotic fluid stained on the surface of the membrane breaking needle is wiped preliminarily through the sterile sponge ring 1502, after the membrane breaking needle 21 completely enters the cavity body 1, the membrane breaking needle 21 is sterilized by using the ultraviolet sterilizing lamp 16, meanwhile, the membrane breaking needle 21 can be kept in a sterilization state when not used according to requirements, so that the infection of patients caused by pathogenic bacteria is avoided, when the sterile sponge ring 1502 needs to be replaced, the movable connector 15 is taken down from the cavity body 1, then the sterile sponge ring 1502 is taken down from the fixed through holes 1501 for replacement, the fixing frame 1500 is composed of 4 fixed support bars 1503, the centers of the fixed through holes 1501 are provided with the fixed through holes 1501, the side of each fixed support bar far away from the fixed through holes 1501 is fixedly connected with the inner wall of the fixed cylinder 150, a filling frame 1503 is formed between every two adjacent fixed support bars, the filling frames 1504 are internally filled with porous filter screens 1505, the inner diameters of the fixed through holes 1501 are equal to the outer diameter of the membrane breaking needle 21, the middle of the membrane breaking needle 21 is limited through the fixed through holes 1501 to avoid bending of the membrane breaking needle, tissue impurities in the extracted amniotic fluid are adsorbed through the porous filter screens 1505, the phenomenon that a liquid outlet 14 is blocked or a pipeline is blocked due to the tissue impurities is avoided, the normal work of the miniature negative pressure pump 31 is influenced, so that the whole device cannot work normally, the side wall of the cavity body 1 is hinged with a cleaning door 17, the inner wall of the cleaning door 17 is provided with a sealing ring 170, the cleaning door 17 is arranged for conveniently cleaning the inside of the cavity body 1 and avoiding bacteria or germs breeding after long-time use to cause infection during membrane breaking of pregnant women, and the sealing ring 170 is arranged for avoiding the amniotic fluid extracted from the inside of the cavity;

as shown in fig. 4, 5 and 6, the membrane rupturing element 2 comprises a cleaning mounting plate 20 which is arranged in the cavity body 1 and is close to one side of the mounting port two 11 and can slide left and right along the inner wall of the cavity body 1 under the driving of an electric telescopic rod, a membrane rupturing needle 21 which is arranged in the cavity body 1 along the horizontal direction and has one end penetrating through the center of the annular mounting plate 13 to be connected with the cleaning mounting plate 20 and the other end penetrating through the mounting port one 10 to extend to the outside, a yin expansion adjusting cover 22 arranged at the mounting port one 10, wherein the yin expansion adjusting cover 22 comprises 4 expanding plates 220 which are arranged at the mounting port one 10 along the circumferential direction, folding inflation covers 221 arranged between two adjacent expanding plates 220, and micro inflation pumps 222 for inflating all folding inflation covers 221, a soft silica gel ring 2200 is arranged at the front side of each expanding plate 220, a soft silica gel yin expansion layer 2201 is arranged on the outer wall of each expanding plate 220, and secondary damage to the, the vagina expanding layer 2201 is made of soft silica gel to avoid damage to the vagina of a pregnant woman, the front side of the cavity body 1 is buckled with a blocking cover 18, the front side of the inner wall of each expanding plate 220 is provided with an attaching plate 2202, the soft silica gel ring 2200 is arranged at the bottom end of the attaching

plate

2202, 4 negative pressure attaching holes 2203 penetrating through the soft silica gel ring 2200 are evenly arranged on the attaching plate 2202, when the micro negative pressure pump 31 works, the vagina expanding adjusting cover 22 generates negative pressure, at the moment, negative pressure air increases the absorbing area of the fetal membrane through the negative pressure attaching holes 2203, the attaching plate 2202 is stably attached to the fetal membrane to avoid scratching the fetal membrane of the pregnant woman due to displacement of the vagina expanding adjusting cover 22, and meanwhile, the amniotic fluid is prevented from leaking out due to displacement of the vagina expanding adjusting cover 22;

the liquid collecting element 3 comprises a liquid storage bottle 30 which is movably arranged at the second mounting opening 11 and the upper end of which is provided with an exhaust valve 300, and a micro negative pressure pump 31 for connecting the liquid outlet 14 and the liquid storage bottle 30, wherein a one-way valve 32 is also arranged at the joint of the liquid outlet 14 and the liquid storage bottle 30;

the intelligent detection element 4 comprises a controller 40 for controlling normal operation of each electrical element, a pressure sensor 41 which is arranged in the vagina expansion adjusting cover 22 and used for negative pressure detection, an electronic liquid level meter 42 which is arranged in the liquid storage bottle 30 and used for liquid level detection, and an alarm 43 used for abnormal alarm, wherein the negative pressure between the vagina expansion adjusting cover 22 and a fetal membrane of a pregnant woman is detected through the pressure sensor 41, the phenomenon that the fetus is extruded due to overhigh pressure and the pregnant woman is uncomfortable or has undersize pressure, and the redundant amniotic fluid cannot be pumped out, so that the working efficiency of the device is reduced, the liquid level of the amniotic fluid in the liquid storage bottle 30 is displayed through the electronic liquid level meter 42, the quantity of the pumped amniotic fluid is convenient to control, and the phenomenon that the pumping quantity affects the development of the fetus is avoided.

(1) the medical staff removes the blocking cover 18, inserts each finger into the corresponding finger sleeve 120, holds the handle 12 and puts the vagina expansion adjusting cover 22 into the fetal membrane needing to rupture the membrane through the vagina of the pregnant woman;

(2) the controller 40 controls the micro inflator 222 to start, the micro inflator 222 inflates air to each folding inflation cover 221, after each folding inflation cover 221 is inflated, the size of the vagina expansion adjusting cover 22 is enlarged, the soft silica gel vagina expansion layer 2201 is used for expanding the vaginal orifice of a pregnant woman, the micro inflator 222 is closed, at the moment, the controller 40 controls the micro negative pressure pump 31 to start, the micro negative pressure pump 31 is used for pumping negative pressure, the negative pressure air is used for increasing the adsorption area of the fetal membrane through the negative pressure sticking hole 2203, the sticking plate 2202 is stably stuck with the fetal membrane, at the moment, the controller 40 controls the electric telescopic rod to start, the cleaning mounting plate 20 is driven by the electric telescopic rod to slide towards the side 10 close to the mounting opening along the inner wall of the cavity main body 1, the membrane breaking needle 21 is moved in the same direction, the fetal membrane is broken after the membrane 21 is contacted with the fetal membrane, and then the cleaning mounting plate 20 is driven by the electric telescopic rod to slide towards the side 10 far away from the mounting opening along the inner The membrane breaking needle 21 enters the cavity body 1, at the moment, the drawn amniotic fluid enters the cavity body 1 through the porous filter screen 1505 under the action of negative pressure, and flows into the liquid storage bottle 30 through the liquid outlet 14 and the one-way valve 32 to temporarily store the amniotic fluid, meanwhile, the liquid level of the amniotic fluid in the liquid storage bottle 30 is displayed by the electronic liquid level meter 42, after the amniotic fluid is completely drawn, the controller 40 controls the micro negative pressure pump 31 to be closed, when the air pressure is normal, the attaching plate 2202 is separated from the fetal membrane, then the gas filled in the folding inflatable cover 221 is discharged, and the vagina expanding adjusting cover 22 is taken out;

(3) when amniotic fluid passes through the porous filter screen 1505, impurities in internal tissues of the amniotic fluid are adsorbed through the porous filter screen 1505, when the micro negative pressure pump 31 works, the negative pressure between the attaching plate 2202 and the fetal membrane of a pregnant woman is detected through the pressure sensor 41, when the pressure reaches a preset value, the micro negative pressure pump 31 is closed, when the pressure is insufficient, the micro negative pressure pump 31 is opened, when the membrane breaking needle 21 enters the cavity body 1, the amniotic fluid stained on the surface of the membrane breaking needle is preliminarily wiped through the sterile sponge ring 1502, after the membrane breaking needle 21 completely enters the cavity body 1, the membrane breaking needle 21 is sterilized by using the ultraviolet sterilizing lamp 16, and meanwhile, the membrane breaking needle 21 can be always in a sterilization state when not used according to needs.

Claims

1. An adjustable safe membrane rupturing device for obstetrics and gynecology department is characterized by mainly comprising a cavity main body (1), a membrane rupturing element (2), a liquid collecting element (3) and a power supply, wherein the front side of the cavity main body is provided with a first mounting hole (10), the rear side of the cavity main body is provided with a second mounting hole (11), and the bottom end of the cavity main body is provided with a handle (12);

an annular mounting plate (13) is arranged on one side, close to the first mounting opening (10), in the cavity body (1) along the vertical direction, and a liquid outlet (14) is formed in the bottom end of the cavity body (1);

the membrane rupturing element (2) comprises a cleaning mounting plate (20) which is arranged in the cavity body (1) and is close to one side of the mounting port II (11) and can slide left and right along the inner wall of the cavity body (1) through the driving of an electric telescopic rod, a membrane rupturing needle (21) which is arranged in the cavity body (1) along the horizontal direction and one end of which penetrates through the center of the annular mounting plate (13) and is connected with the cleaning mounting plate (20) and the other end of which penetrates through the mounting port I (10) and extends to the outside, and a vagina expanding adjusting cover (22) which is arranged at the mounting port I (10), wherein the vagina expanding adjusting cover (22) comprises a plurality of expanding plates (220) which are arranged at the mounting port I (10) along the circumferential direction, folding air inflation covers (221) which are arranged between two adjacent expanding plates (220), and miniature air inflation pumps (222) which inflate the folding air inflation covers (221), and a soft ring (2200) is arranged at the front side, the outer wall of each expansion plate (220) is provided with a soft silica gel vagina expansion layer (2201), the front side of the inner wall of each expansion plate (220) is provided with a joint plate (2202), a soft silica gel ring (2200) is arranged at the bottom end of the joint plate (2202), and a plurality of negative pressure joint holes (2203) penetrating through the soft silica gel ring (2200) are uniformly arranged on the joint plate (2202);

the liquid collecting element (3) comprises a liquid storage bottle (30) movably arranged at the second mounting opening (11) and provided with an exhaust valve (300) at the upper end, a miniature negative pressure pump (31) used for connecting the liquid outlet (14) with the liquid storage bottle (30), and a one-way valve (32) is further arranged at the joint of the liquid outlet (14) and the liquid storage bottle (30).

2. The adjustable safe membrane rupture device for obstetrics and gynecology department of claim 1, characterized in that, cavity main part (1) front side threaded connection has swing joint head (15), and installing port (10) are located the swing joint head (15) outside, and the inboard activity of swing joint head (15) is equipped with a fixed section of thick bamboo (150), just fixed section of thick bamboo (150) inside is equipped with mount (1500), mount (1500) center department is equipped with fixed passing hole (1501), fixed passing hole (1501) center department is equipped with aseptic sponge circle (1502), and cavity main part (1) inner wall evenly is equipped with a plurality of sterilamp (16).

3. The adjustable safe membrane rupturing device for the gynaecology and obstetrics department according to claim 2, characterized in that the fixing frame (1500) is composed of a plurality of fixing struts (1503) which are provided with fixing through holes (1501) at the centers and are arranged along the outer walls of the fixing through holes (1501) in a divergent mode, one side of each fixing strut (1503) far away from the fixing through holes (1501) is fixedly connected with the inner wall of the fixing barrel (150), a filling frame (1504) is formed between every two adjacent fixing struts (1503), a porous filter screen (1505) is filled in each filling frame (1504), and the inner diameter of each fixing through hole (1501) is equal to the outer diameter of the membrane rupturing needle (21).

4. The adjustable safe membrane rupturing device for obstetrics and gynecology department of claim 1, characterized in that, the device further comprises an intelligent detection element (4), the intelligent detection element (4) comprises a controller (40) for controlling the normal operation of each electrical element, a pressure sensor (41) arranged in the vagina expansion adjusting cover (22) and used for negative pressure detection, an electronic liquid level meter (42) arranged in the liquid storage bottle (30) and used for liquid level detection, and an alarm (43) used for abnormal alarm.

5. The adjustable safe membrane rupturing device for obstetrics and gynecology department according to claim 1, characterized in that the handle (12) is provided with a finger sleeve (120), the finger sleeve (120) is made of elastic material, and the outer wall of the handle (12) is sleeved with an anti-skid rubber ring (121).

6. The adjustable safe membrane rupturing device for obstetrics and gynecology department according to claim 1, characterized in that, the side wall of the cavity body (1) is hinged with a cleaning door (17), and the inner wall of the cleaning door (17) is provided with a sealing ring (170).