CN108888321B - Outward flow type membrane rupture device is prevented to gynaecology and obstetrics - Google Patents
Outward flow type membrane rupture device is prevented to gynaecology and obstetrics Download PDFInfo
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- CN108888321B CN108888321B CN201810493584.9A CN201810493584A CN108888321B CN 108888321 B CN108888321 B CN 108888321B CN 201810493584 A CN201810493584 A CN 201810493584A CN 108888321 B CN108888321 B CN 108888321B
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- 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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Abstract
The invention discloses an outflow-type membrane rupture prevention device for obstetrics and gynecology department, which belongs to the field of medical appliances and comprises an injection tube, wherein the front end of the injection tube is connected with a conical head, a push injection piston is arranged in the injection tube, and a puncture needle extending to the side of a front port of the conical head is fixed on the side of one end of the injection tube, which is connected with the conical head; an arched cover plate is fixed on the outer surface of the front end of the conical head to form an annular cavity, the front port of the annular cavity surrounds the front port of the conical head to form an annular shape, and the annular cavity is communicated with the inner side of the conical head through an air vent; at least three rotating rods are arranged in the annular cavity along the periphery of the annular cavity, the front ends of the rotating rods are positioned at the front end opening of the annular cavity and are attached to a cover plate, the rear ends of the rotating rods are hinged to the side wall of the rear end of the annular cavity, a permanent magnet is arranged in the front ends of the rotating rods, and an electromagnet magnetically attracted with the permanent magnet is arranged in the side wall of the front end opening of the conical head; one side of the rear end of the conical head is provided with a drainage tube. The invention can not damage the fetus and the envelope in the process of membrane rupture, and can fix the puncture formed after membrane rupture in time, thereby avoiding the position change of the puncture and efficiently preventing the outflow of amniotic fluid.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to an outflow-type membrane rupture prevention device for obstetrics and gynecology department.
Background
In gynaecology and obstetrics, thereby the amniotic fluid envelope can break naturally under the general condition before the lying-in woman produces so that the foetus produces smoothly, but also have under many circumstances especially general amniotic fluid envelope in the cesarean section not yet break naturally, just need medical staff to puncture the envelope at this moment with the amniotic fluid drainage, but the rupture of membranes device that uses at present all is simple and easy transfusion needle form generally, still can bring very big inconvenience for medical staff because the amniotic fluid outflows the pollution operation environment when having damage foetus and lying-in woman dangerous.
The patent with application publication number CN 105596062A discloses an outflow-proof membrane breaking device for obstetrics and gynecology department, which comprises a conduit, wherein one end of the conduit is sleeved with a pull rod, the other end of the conduit is connected with a conical head and a flow-proof cover, the conical head is positioned inside the flow-proof cover, a piston is arranged at one end of the pull rod close to the conical head, the piston is installed in a way of being matched with the inner wall of the conduit, a support frame is fixedly installed on the inner wall of the conduit, a membrane breaking needle is arranged on the support frame, a through hole is positioned between the support frame and the conical head, the through hole is connected with the inlet end of a buffer box through a water pipe, a valve is installed at the inlet end of the buffer box, the buffer box is positioned in the support box, one side of the support box is fixedly connected with the side of the support leg, one end of the universal wheel is arranged at one end, preventing the outflow of amniotic fluid and greatly reducing the delivery difficulty of medical care personnel. However, it has the following disadvantages: after the amniotic fluid envelope is punctured, in the drainage process, as the structure of the amniotic fluid envelope is unstable, once the amniotic fluid envelope generates displacement fluctuation, the position of a puncturing opening is easy to change, and the periphery of the anti-flowing cover is unstable in contact with the amniotic fluid envelope, so that the amniotic fluid flows outwards.
Disclosure of Invention
1. Technical problem to be solved
The technical problem to be solved by the invention is to provide an anti-outflow membrane rupture device for obstetrics and gynecology department, which can not damage the fetus and the envelope in the membrane rupture process, can fix the puncture hole formed after membrane rupture in time, can avoid the position change of the puncture hole, and can efficiently prevent the outflow of amniotic fluid.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme:
an outward flow type membrane rupture device for obstetrics and gynecology department comprises an injection tube with the front end connected with a conical head, a push piston is arranged in the injection tube, a hollowed-out fixing plate is fixed at the side of one end of the injection tube connected with the conical head, a puncture needle is fixed at the center of the bottom surface of the fixing plate, the tip of the puncture needle extends to the side of a front port of the conical head,
the outer surface of the front end of the cone head is fixedly provided with an arched cover plate surrounding a front end port of the cone head, the inner side of the cover plate and the outer surface of the cone head form an annular cavity, the front end port of the annular cavity surrounds the front end port of the cone head to form an annular shape, at least three vent holes communicated with the annular cavity are formed in the side wall of the front end of the cone head along the circumference of the side wall of the front end of the cone head at equal intervals, at least three rotating rods are arranged in the annular cavity along the circumference of the side wall of the annular cavity at equal intervals, the front end of each rotating rod is positioned at the front end port of the annular cavity and attached to the cover plate, the rear end of each rotating rod is hinged to the cover plate at the rear end side of the annular cavity or; one side of the rear end of the conical head is connected with a drainage tube, and a valve is arranged on the drainage tube.
Furthermore, one side of the annular cavity communicated with the air vent is positioned in front of one side of the inner side of the conical head communicated with the air vent, and the front end of the injection cylinder is higher than the rear end of the injection cylinder during application. Because the amniotic fluid flows down along the puncture needle after the amniotic fluid envelope is punctured and enters the inner side of the conical head, if the front end of the injection tube is lower than the rear end of the injection tube, the amniotic fluid can enter the annular cavity from the vent hole to cause outflow. During the application, the front end that keeps the injection tube is higher than its rear end, and one side of blow vent intercommunication annular chamber is higher than one side of blow vent intercommunication conical head inboard, then the blow vent entering annular chamber can not be followed to the amniotic fluid to guarantee that all amniotic fluids all derive from the drainage tube.
Furthermore, a breathable waterproof film is arranged on the vent hole. Can prevent the amniotic fluid from entering the annular cavity along the air vent, ensure that all the amniotic fluid is led out from the drainage tube, and during application, the front end of the injection tube is not required to be kept higher than the rear end of the injection tube.
Preferably, the electromagnet is annular. After the power is switched on, all the permanent magnets can be ensured to be adsorbed, and the clamping effect on the amniotic fluid envelope at the puncture is further ensured.
Furthermore, the cone head and the cover plate are made of transparent materials. The whole process that the amniotic fluid envelope is adsorbed, punctured and clamped is convenient to observe, so that control is accurate.
3. Advantageous effects
(1) The invention adopts an injection tube with the front end connected with a conical head, a push injection piston is arranged in the injection tube, and a puncture needle extending to the side of the front port of the conical head is fixed on the side of one end of the injection tube connected with the conical head. When the device is used, the push piston is pulled backwards to generate negative pressure in the injection tube and the conical head, and part of amniotic fluid envelope is sucked into the front port of the conical head to contact the tip of the puncture needle, so that the membrane is broken and a puncture hole is formed, and the damage to a fetus and the envelope in the membrane breaking process is avoided.
(2) The outer surface of the front end of the conical head is fixedly provided with an arched cover plate surrounding the front end port of the conical head, the inner side of the cover plate and the outer surface of the conical head form an annular cavity, the front end port of the annular cavity surrounds the front end port of the conical head to form an annular shape, and the side wall of the front end of the conical head is provided with at least three air vents communicated with the annular cavity at equal intervals along the circumference; at least three rotating rods are arranged in the annular cavity at equal intervals along the periphery of the annular cavity, the front ends of the rotating rods are positioned at the front end of the annular cavity and attached to a cover plate, the rear ends of the rotating rods are hinged to the cover plate at the rear end side of the annular cavity or the outer surface of a cone head, a permanent magnet is arranged at the front end of the rotating rods, and an electromagnet magnetically attracted with the permanent magnet is arranged on the side wall of the front end of the. When the device is applied, in the process of pulling back the push piston, negative pressure can be formed in the annular cavity through the vent, so that when part of amniotic fluid envelope is sucked into the front port of the conical head and contacts the tip of the puncture needle, part of amniotic fluid envelope is sucked into the front port of the annular cavity; at the moment, the electromagnet is electrified to generate magnetic attraction force on the permanent magnet, the permanent magnet moves towards the electromagnet to push the front end of the rotating rod to rotate towards the front port of the conical head, and the amniotic fluid envelope at the puncture is tightly pressed on the outer surface of the front port of the conical head by the front end of the rotating rod, so that the puncture is fixed, and the puncture can be prevented from being changed in position; through locating the drainage tube of conical head rear end one side again, can discharge the amniotic fluid along the drainage tube, can prevent the amniotic fluid outflow by the high efficiency.
In conclusion, the membrane rupture device can not damage a fetus and a capsule in the membrane rupture process, can fix a puncture hole formed after membrane rupture in time, can avoid the puncture hole from position change, efficiently prevents amniotic fluid from flowing outwards, and brings convenience to medical staff.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure of the area A in FIG. 1;
FIG. 3 is a schematic structural view of a section B-B in FIG. 2 in example 1;
FIG. 4 is a schematic structural view of a section B-B in FIG. 2 in example 2.
Reference numerals: 1-injection cylinder, 2-conical head, 3-injection piston, 4-fixing plate, 5-puncture needle, 6-cover plate, 7-annular cavity, 8-vent, 9-rotating rod, 10-torsion spring, 11-permanent magnet, 12-electromagnet, 13-drainage tube, 14-valve and 15-waterproof breathable film.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
As shown in figures 1 and 2, the gynecological outward-flow-prevention membrane rupture device comprises an injection tube 1 with a conical head 2 connected to the front end thereof, a push piston 3 is arranged in the injection tube 1, a hollow fixing plate 4 is fixed on the side of the injection tube 1 connected with one end of the conical head 2, a puncture needle 5 is fixed at the center of the bottom surface of the fixing plate 4, the tip of the puncture needle 5 extends to the side of the front port of the conical head 2,
as shown in fig. 2, the outer surface of the front end of the cone head 2 is fixed with an arched cover plate 6 surrounding the front end of the cone head 2, the inner side of the cover plate 6 forms a ring cavity 7 with the outer surface of the cone head 2, the front end of the ring cavity 7 is annular around the front end of the cone head 2, at least three vent holes 8 (four vent holes 8 are shown in the figure) communicated with the ring cavity 7 are arranged on the side wall of the front end of the cone head 2 along the circumference thereof at equal intervals, at least three rotating rods 9 (four rotating rods 9 are shown in the figure) are arranged in the ring cavity 7 at equal intervals, the front end of the rotating rod 9 is arranged at the front end of the ring cavity 7 and attached to the cover plate 6, the rear end of the rotating rod 9 is hinged to the cover plate 6 at the rear end side of the ring cavity 7 or the outer surface of the cone head 2, and the hinged position is provided with a, an electromagnet 12 magnetically attracted with the permanent magnet 11 is arranged in the position, corresponding to the permanent magnet 11, of the side wall of the front end opening of the conical head 2; one side of the rear end of the conical head 2 is connected with a drainage tube 13, and a valve 14 is arranged on the drainage tube 13.
In this embodiment, the side of the annular cavity 7 communicated with the vent hole 8 is located in front of the side of the conical head 2 communicated with the vent hole 8, and the front end of the syringe 1 is higher than the rear end thereof during application. Because the amniotic fluid flows down along the puncture needle 5 after the amniotic fluid envelope is punctured and enters the inner side of the conical head 2, if the front end of the injection tube 1 is lower than the rear end thereof, the amniotic fluid can enter the annular cavity 7 from the vent hole 8 and cause outflow. During the application, keep the front end of injection tube 1 to be higher than its rear end, and one side that 8 intercommunication annular chambeies of blow vent 7 is higher than one side that 8 intercommunication conical heads of blow vent 2 are inboard, then the amniotic fluid can not follow 8 entering annular chambeies of blow vent 7 to guarantee that all amniotic fluids all derive from drainage tube 13.
In the present embodiment, as shown in fig. 3, the number of the electromagnets 12 corresponds one-to-one to the permanent magnets 11. After the power is on, the electromagnets 12 and the permanent magnets 11 are attracted one by one, so that the amniotic fluid envelope at the puncture is tightly pressed on the outer surface of the front port of the conical head 2 by the front end of the rotating rod 9.
In this embodiment, the conical head 2 and the cover plate 6 are made of transparent materials. The whole process that the amniotic fluid envelope is adsorbed, punctured and clamped is convenient to observe, so that control is accurate.
Example 2
The present embodiment is different from embodiment 1 in that:
in the present embodiment, as shown in fig. 2, the vent hole 8 is provided with a breathable waterproof film 15. Can prevent amniotic fluid from entering the annular cavity 7 along the vent hole 8, ensure that all amniotic fluid is led out from the drainage tube 13, and during application, the front end of the injection tube 1 is not required to be kept higher than the rear end thereof.
In the present embodiment, the electromagnet 12 is annular, as shown in fig. 4. After the power is switched on, all the permanent magnets 11 can be ensured to be adsorbed, and the clamping effect on the amniotic fluid envelope at the puncture is further ensured.
The rest is the same as example 1.
The specific application process of the outward-flow-proof membrane rupture device for the obstetrics and gynecology department is as follows:
in the cesarean section operation, after the amniotic fluid envelope is exposed, the injection tube 1 is held by hand to touch the front port of the conical head 2 with the amniotic fluid envelope, the push piston 3 is pulled backwards to generate negative pressure inside the conical head 2 and the annular cavity 7, part of the amniotic fluid envelope is sucked into the front port of the conical head 2 to contact the tip of the puncture needle 5, the membrane is broken and a puncture hole is formed, and the damage to a fetus and the envelope in the membrane breaking process is avoided; meanwhile, part of the amniotic fluid membrane is sucked into the front end port of the annular cavity 7, at the moment, the electromagnet 12 is electrified to generate magnetic attraction force on the permanent magnet 11, the permanent magnet 11 moves towards the electromagnet 12 to push the front end of the rotating rod 9 to rotate towards the front end port of the conical head 2, and the amniotic fluid membrane at the puncture is tightly pressed on the outer surface of the front end port of the conical head 2 by the front end of the rotating rod 9, so that the puncture is fixed, and the puncture can be prevented from being changed in position; after a valve 14 on the drainage tube 13 is opened, the amniotic fluid can be guided out from the drainage tube 13, and the anti-outflow of the amniotic fluid is efficiently realized.
According to the invention, the damage to the fetus and the envelope can be avoided in the process of rupture of the envelope, the puncture formed after rupture of the envelope can be fixed in time, the position change of the puncture can be avoided, the outflow of amniotic fluid can be prevented efficiently, and the convenience is brought to medical staff.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (4)
1. An outward flow type membrane rupture device for obstetrics and gynecology department comprises an injection tube (1) with a conical head (2) connected to the front end, wherein an injection piston (3) is arranged in the injection tube (1), a hollowed-out fixing plate (4) is fixed on the side of one end of the injection tube (1) connected with the conical head (2), a puncture needle (5) is fixed at the center of the bottom surface of the fixing plate (4), the tip of the puncture needle (5) extends to the side of the front port of the conical head (2), and the device is characterized in that,
the utility model discloses a conical head (2) front end outer fixed surface has be arched cover plate (6) around being of conical head (2) front end mouth, cover plate (6) inboard forms annular chamber (7) with conical head (2) surface, annular chamber (7) front end mouth encircles conical head (2) front end mouth and is the annular, be equipped with blow vent (8) of at least three intercommunication annular chamber (7) along its border equidistant on conical head (2) front end lateral wall, be equipped with three piece at least dwang (9) along its border equidistant in annular chamber (7), dwang (9) front end is located annular chamber (7) front end mouth and attached cover plate (6), dwang (9) rear end articulates on distolateral cover plate (6) of annular chamber (7) rear end or conical head (2) surface, and articulated department is equipped with torsional spring (10), dwang (9) front end embeds there is permanent magnet (11), an electromagnet (12) magnetically attracted with the permanent magnet (11) is arranged in the position, corresponding to the permanent magnet (11), of the side wall of the front port of the conical head (2); one side of the rear end of the conical head (2) is connected with a drainage tube (13), and a valve (14) is arranged on the drainage tube (13); one side of the vent hole (8) communicated with the annular cavity (7) is positioned in front of one side of the vent hole (8) communicated with the inner side of the conical head (2), and when the syringe is applied, the front end of the syringe (1) is higher than the rear end of the syringe.
2. The outward-flow membrane rupture prevention device for obstetrics and gynecology department of claim 1, wherein the vent (8) is provided with a breathable waterproof membrane (15).
3. An anti-outflow membrane rupturing device for obstetrics and gynecology department according to claim 1, wherein the electromagnet (12) is ring-shaped.
4. The gynecological outward-flow-prevention membrane rupture device for department of obstetrics and gynecology as claimed in any one of claims 1 to 3, wherein the conical head (2) and the cover plate (6) are made of transparent materials.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810493584.9A CN108888321B (en) | 2018-05-22 | 2018-05-22 | Outward flow type membrane rupture device is prevented to gynaecology and obstetrics |
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| CN201810493584.9A CN108888321B (en) | 2018-05-22 | 2018-05-22 | Outward flow type membrane rupture device is prevented to gynaecology and obstetrics |
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| CN108888321A CN108888321A (en) | 2018-11-27 |
| CN108888321B true CN108888321B (en) | 2020-09-11 |
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| CN201810493584.9A Active CN108888321B (en) | 2018-05-22 | 2018-05-22 | Outward flow type membrane rupture device is prevented to gynaecology and obstetrics |
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| CN110353785A (en) * | 2019-07-15 | 2019-10-22 | 重庆市合川区人民医院 | A kind of anti-outer-flowing type film breaking unit of gynemetrics |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4807625A (en) * | 1987-07-07 | 1989-02-28 | Singleton Rosa R | Membrane puncturing aspirator with drainage shield |
| CN204797952U (en) * | 2015-04-19 | 2015-11-25 | 黄燎源 | Tumour excision locator |
| CN205054384U (en) * | 2015-09-30 | 2016-03-02 | 刘娟 | Alimentary canal metallics remove device for pediatric surgery |
| CN105596062B (en) * | 2016-01-23 | 2019-02-05 | 吴春丽 | A kind of anti-outer-flowing type film breaking unit of gynemetrics |
| CN206214160U (en) * | 2016-07-08 | 2017-06-06 | 孟祥辉 | A kind of obstetrics membrane breaking device |
| CN107184256B (en) * | 2016-08-23 | 2020-04-21 | 王丽娟 | Obstetrical membrane rupture device |
| CN107928725B (en) * | 2017-12-12 | 2019-09-24 | 湖南瀚德微创医疗科技有限公司 | A kind of laparoscope tissue magnetic traction suspension apparatus |
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