CN116747443B - Device for intrauterine electrical cardioversion of fetus - Google Patents
Device for intrauterine electrical cardioversion of fetus Download PDFInfo
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- CN116747443B CN116747443B CN202311036581.XA CN202311036581A CN116747443B CN 116747443 B CN116747443 B CN 116747443B CN 202311036581 A CN202311036581 A CN 202311036581A CN 116747443 B CN116747443 B CN 116747443B
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- 210000003754 fetus Anatomy 0.000 title claims abstract description 45
- 238000013195 electrical cardioversion Methods 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 78
- 238000013194 cardioversion Methods 0.000 claims abstract description 60
- 238000009413 insulation Methods 0.000 claims abstract description 35
- 210000001015 abdomen Anatomy 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 21
- 230000001605 fetal effect Effects 0.000 claims description 14
- 210000004381 amniotic fluid Anatomy 0.000 claims description 11
- 238000009966 trimming Methods 0.000 claims 1
- 238000009941 weaving Methods 0.000 claims 1
- 238000007796 conventional method Methods 0.000 abstract description 2
- 206010016847 Foetal arrhythmia Diseases 0.000 description 5
- 210000001691 amnion Anatomy 0.000 description 2
- 206010003119 arrhythmia Diseases 0.000 description 2
- 230000006793 arrhythmia Effects 0.000 description 2
- 230000009984 peri-natal effect Effects 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 208000010496 Heart Arrest Diseases 0.000 description 1
- 206010019280 Heart failures Diseases 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 206010049447 Tachyarrhythmia Diseases 0.000 description 1
- 208000001871 Tachycardia Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 210000002458 fetal heart Anatomy 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 210000004291 uterus Anatomy 0.000 description 1
- 208000003663 ventricular fibrillation Diseases 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/362—Heart stimulators
- A61N1/3625—External stimulators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3468—Trocars; Puncturing needles for implanting or removing devices, e.g. prostheses, implants, seeds, wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/37205—Microstimulators, e.g. implantable through a cannula
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/375—Constructional arrangements, e.g. casings
- A61N1/37512—Pacemakers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/375—Constructional arrangements, e.g. casings
- A61N1/3752—Details of casing-lead connections
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Radiology & Medical Imaging (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Cardiology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Gynecology & Obstetrics (AREA)
- Pregnancy & Childbirth (AREA)
- Reproductive Health (AREA)
- Electrotherapy Devices (AREA)
Abstract
The invention provides a device for intrauterine electrical cardioversion of a fetus, which relates to the technical field of electrical cardioversion and comprises: the puncture needle is hollow and is used for puncturing the abdomen of the pregnant woman and guiding the device to enter the amniotic cavity; the tail end of the puncture needle is provided with an adjusting mechanism; an insulation mechanism is sleeved on the outer side of the puncture needle; the tail end of the insulation mechanism is provided with a holding structure, and the holding structure is connected with the adjusting mechanism, so that the puncture needle can be contracted into the insulation mechanism when the adjusting mechanism is rotated; a cardioversion mechanism inserted inside the puncture needle; the tail ends of the two cardioversion mechanisms are respectively contacted with the left chest and the back of the fetus, and the cardioversion mechanism carries out cardioversion on the fetus after being connected with the cardioversion instrument, so that the problem that the conventional method is difficult to carry out electric cardioversion operation on the fetus is solved.
Description
Technical Field
The invention relates to the technical field of electric cardioversion, in particular to a device for intrauterine electric cardioversion of a fetus.
Background
Fetal arrhythmia is a common fetal complication with a morbidity of about 1% -2%, and in general, most fetal arrhythmias are transient, do not require special treatment, and have a good prognosis. However, some serious fetal arrhythmias, if not diagnosed in time, often lead to fetal heart failure, oedema, and even death. Therefore, timely diagnosis and treatment of fetal arrhythmias is critical to reduce mortality in perinatal infants.
Electrical cardioversion is a treatment measure for adult arrhythmia, is also a rescue measure for cardiac arrest, and has become the first choice or important measure for treating ventricular fibrillation and other tachyarrhythmia patients, and because the electrical cardioversion needs to attach electrodes to the chest of the patient, the heart is cardioverted through electrical stimulation, while the fetus is still in the uterus, and the conventional method is difficult to perform electrical cardioversion operation on the fetus.
Disclosure of Invention
The invention provides a device for intrauterine electrical cardioversion of a fetus, which specifically comprises:
the puncture needle is hollow and is used for puncturing the abdomen of the pregnant woman and guiding the device to enter the amniotic cavity; the tail end of the puncture needle is provided with an adjusting mechanism;
an insulation mechanism is sleeved on the outer side of the puncture needle; the tail end of the insulation mechanism is provided with a holding structure, and the holding structure is connected with the adjusting mechanism, so that the puncture needle can be contracted into the insulation mechanism when the adjusting mechanism is rotated;
a cardioversion mechanism inserted inside the puncture needle; the tail ends of the two cardioversion mechanisms are respectively contacted with the left chest and the back of the fetus, and the cardioversion mechanism carries out cardioversion on the fetus after being connected with a cardioversion instrument.
Further, the puncture needle comprises a needle body and a fine adjustment screw; the tip of the needle body is arranged as a tail end, and the other end is a head end.
Further, a fine adjustment screw is fixedly connected to the outer side of the head end of the needle body, and threads are arranged on the outer side of the fine adjustment screw; the head end of the fine tuning screw is provided with a handle, and the inside of the fine tuning screw is hollow.
Further, the insulating layer is also included; the insulation mechanism is an insulation layer, and the insulation layer comprises an insulation sleeve; the insulation sleeve is sleeved on the outer side of the needle body, and the insulation sleeve and the needle body can slide relatively.
Further, the insulating layer further comprises a holding piece; the outer side of the head end of the insulating sleeve is fixedly connected with a holding piece, and friction lines are formed on the outer side of the holding piece; threads are formed in the holding piece, and the threads of the holding piece are meshed with the threads of the fine adjustment screw; the fine adjustment screw is inserted into the interior of the grip.
Further, at least two linearly arranged retainers are inserted into the needle body; and a guide hole is formed in the retainer.
Further, the cardioversion mechanism comprises a hollow guide wire and a metal mesh cover; the hollow guide wire is made of metal, and the tail end of the hollow guide wire is fixedly connected with a metal mesh cover; the metal mesh enclosure is formed by knitting elastic metal wires.
Furthermore, the cardioversion mechanism also comprises a connection interface; the head end outside fixedly connected with attach fitting of hollow seal wire is used for connecting the pump body of cardioversion instrument, and then extracts the amniotic fluid that remains in the insulating mechanism.
Further, the device also comprises a connecting mechanism; the connecting mechanism comprises a connecting joint and a wire; the connecting joint is made of metal, and a through hole is formed in the connecting joint; the head end of the hollow guide wire is inserted into the through hole of the connecting joint and is used for transmitting current to the hollow guide wire and transmitting the current to the fetal body surface through the metal mesh cover;
the outside of attach fitting is provided with the connecting seat, and the connecting seat fixedly connected with wire of attach fitting.
Further, the device also comprises a main control instrument; the main control instrument comprises an instrument main body and a catheter; a cardioversion instrument and a pump body are arranged in the instrument main body; a main control board is arranged in the instrument main body, and the cardioversion instrument and the pump body are controlled through the main control board;
the pump body is connected with the guide pipe, and the guide pipe is connected with the connecting interface and used for sucking amniotic fluid in the insulating mechanism.
Advantageous effects
In the invention, two puncture needles are punctured into the amniotic cavity of a pregnant woman under the guidance of ultrasound, the needle tip of the needle body is contracted into the insulation sleeve by the fine adjustment screw rod, the insulation sleeve reaches the body surface of the fetus, one is positioned at the left chest of the fetus, and the other is positioned at the back of the fetus; the amniotic fluid in the insulating sleeve is pumped out through the hollow guide wire by the pump body of the main control instrument, so that the inside of the insulating sleeve is isolated from the amniotic cavity, the connecting mechanism is sleeved outside the head end of the hollow guide wire, and the electric cardioversion is carried out on the fetus through the cardioversion instrument of the instrument main body;
through the structure, the amnion cavity puncture technology and other auxiliary structures can be utilized to electrically cardiovert the fetus in the amnion cavity, so that the arrhythmia of the fetus can be diagnosed and treated in time, and the death rate of the perinatal infant can be effectively reduced.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
fig. 1 is a schematic perspective view showing the whole structure of a fetal electric cardioversion apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view showing a puncture needle of a fetal electric cardioversion apparatus according to an embodiment of the present invention.
Fig. 3 shows an exploded view of the puncture needle of the fetal electrical cardioversion device according to an embodiment of the invention.
Fig. 4 shows a schematic perspective cross-sectional view of a puncture needle of a fetal electrical cardioversion device according to an embodiment of the invention.
Fig. 5 shows an enlarged schematic view of a portion of the fetal electrical cardioversion apparatus at a of fig. 4, in accordance with an embodiment of the invention.
Fig. 6 shows an enlarged partial schematic view at B of fig. 4 of a fetal electrical cardioversion device according to an embodiment of the invention.
Fig. 7 is a schematic perspective view showing a cardioversion mechanism of a fetal electric cardioversion apparatus according to an embodiment of the invention.
Fig. 8 shows an enlarged partial schematic view of the fetal electrical cardioversion device at C of fig. 7 in accordance with an embodiment of the invention.
Fig. 9 is a schematic perspective view of a master control instrument of a fetal electric cardioversion apparatus according to an embodiment of the invention.
Fig. 10 shows a partially enlarged schematic illustration of the fetal electrical cardioversion device at D of fig. 9 in accordance with an embodiment of the invention.
List of primary reference numerals
1. A puncture needle; 101. a needle body; 102. fine tuning the screw;
2. an insulating layer; 201. an insulating sleeve; 202. a grip;
3. a retainer;
4. a cardioversion mechanism; 401. a hollow guide wire; 402. a metal mesh cover; 403. a connection interface;
5. a connecting mechanism; 501. a connection joint; 502. a wire;
6. a master control instrument; 601. an instrument body; 602. a catheter.
Detailed Description
In order to make the objects, aspects and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present invention.
Examples: please refer to fig. 1 to 10:
as shown in fig. 1, 2 and 3, the present invention proposes a device for intrauterine electrical cardioversion of a fetus, comprising:
the puncture needle 1 is hollow, and is used for puncturing the abdomen of a pregnant woman and guiding the device into the amniotic cavity; the tail end of the puncture needle 1 is provided with an adjusting mechanism;
the outer side of the puncture needle 1 is sleeved with an insulation mechanism; the tail end of the insulation mechanism is provided with a holding structure, and the holding structure is connected with the adjusting mechanism, so that the puncture needle 1 can be contracted into the insulation mechanism when the adjusting mechanism is rotated;
a cardioversion mechanism 4 inserted inside the puncture needle 1; the tail ends of the two cardioversion mechanisms 4 are respectively contacted with the left chest and the back of the fetus, and the cardioversion mechanisms 4 are connected with a cardioversion instrument to cardiovert the fetus.
As shown in fig. 4 and 5, the puncture needle 1 includes a needle body 101 and a fine adjustment screw 102; the tip of the needle body 101 is arranged as a tail end, and the other end is the tip of the head end needle body 101 to penetrate into the amniotic cavity to guide the cardioversion mechanism 4.
As shown in fig. 4 and 6, the outer side of the head end of the needle body 101 is fixedly connected with a fine adjustment screw 102, and the outer side of the fine adjustment screw 102 is provided with threads; the head end of the fine tuning screw 102 is provided with a handle, and the interior of the fine tuning screw 102 is hollow; by rotating the fine adjustment screw 102 and matching the threads, fine adjustment can be performed between the puncture needle 1 and the insulation mechanism, so that the puncture needle 1 can shrink into the insulation mechanism after puncture, the insulation mechanism can contact a fetus for the first time, and the puncture needle 1 is prevented from contacting the fetus and damaging the fetus.
Wherein, as shown in fig. 4, the insulating layer 2 is also included; the insulating mechanism is an insulating layer 2, and the insulating layer 2 comprises an insulating sleeve 201; the insulation sleeve 201 is sleeved on the outer side of the needle body 101, and the insulation sleeve 201 and the needle body 101 can slide relatively; the insulating sleeve 201 isolates its interior from the amniotic cavity, preventing amniotic fluid from conducting current away.
Wherein, as shown in fig. 4, the insulating layer 2 further comprises a holding piece 202; the outer side of the head end of the insulating sleeve 201 is fixedly connected with a holding piece 202, and friction lines are formed on the outer side of the holding piece 202; threads are formed in the holding piece 202, and the threads of the holding piece 202 are meshed with the threads of the fine adjustment screw 102; the fine adjustment screw 102 is inserted inside the grip 202; by rotating the fine adjustment screw 102 and matching the threads, fine adjustment can be performed between the puncture needle 1 and the insulation mechanism, so that the puncture needle 1 can shrink into the insulation mechanism after puncture, the insulation mechanism can contact a fetus for the first time, and the puncture needle 1 is prevented from contacting the fetus and damaging the fetus.
Wherein, as shown in fig. 7, at least two linearly arranged holders 3 are inserted into the inside of the needle body 101; a guide hole is formed in the retainer 3; the cardioversion mechanism 4 is inserted inside the guide hole of the retainer 3, the cardioversion mechanism 4 is limited by the retainer 3, and meanwhile, when the outer diameter of the cardioversion mechanism 4 is smaller than the inner diameter of the needle body 101, the retainer 3 prevents the cardioversion mechanism 4 from bending and vibrating when being detected, so that the influence on the current passing through the cardioversion mechanism 4 is reduced.
As shown in fig. 7 and 8, the cardioversion mechanism 4 includes a hollow guide wire 401 and a metal mesh cover 402; the hollow guide wire 401 is made of metal, and the tail end of the hollow guide wire 401 is fixedly connected with a metal mesh cover 402; the metal mesh enclosure 402 is made of an elastic wire weave; after the insulation mechanism contacts a fetus, the internal space of the insulation mechanism is isolated from the amniotic cavity, amniotic fluid in the insulation mechanism can be extracted through the hollow guide wire 401 matched with the pump body of the main control instrument 6, and simultaneously, the cardioversion instrument in the main control instrument 6 can release current to the fetus body through the connection mechanism 5 to realize electrical cardioversion through the metal mesh enclosure 402.
As shown in fig. 7 and 8, the cardioversion mechanism 4 further includes a connection interface 403; the outer side of the head end of the hollow guide wire 401 is fixedly connected with a connecting joint 501 for connecting with a pump body of a cardioversion instrument, so as to extract amniotic fluid remained in an insulation mechanism.
Wherein, as shown in fig. 9 and 10, the device also comprises a connecting mechanism 5; the connecting mechanism 5 comprises a connecting joint 501 and a wire 502; the connecting joint 501 is made of metal, and a through hole is formed in the connecting joint 501; the head end of the hollow guide wire 401 is inserted into the through hole of the connecting joint 501 and is used for transmitting current to the hollow guide wire 401 and transmitting the current to the fetal body surface through the metal screen 402;
a connecting seat is arranged on the outer side of the connecting joint 501, and a wire 502 is fixedly connected with the connecting seat of the connecting joint 501; the lead 502 is connected to the cardioversion instrument of the master instrument 6 to transfer the current released by the cardioversion instrument to the hollow wire 401.
As shown in fig. 9 and 10, the device also comprises a main control instrument 6; the main control instrument 6 comprises an instrument main body 601 and a catheter 602; a cardioversion instrument and a pump body are arranged in the instrument main body 601; a main control board is arranged in the instrument main body 601, and the cardioversion instrument and the pump body are controlled through the main control board; the pump body pumps amniotic fluid in the insulating mechanism, the cardioversion instrument provides electric current for cardioversion, the cardioversion instrument has a cardioversion mode, an electrocardio mode and a safety protection mode, the energy output can be stopped after the energy exceeds a threshold value, the electric quantity standard of the electrical cardioversion of a neonate is 2J/kg, the second time and the subsequent time are 4J/kg, the fetus can be controlled to be smaller for the neonate, and the damage to a pregnant woman is smaller;
the pump body is connected with the guide pipe 602, and the guide pipe 602 is connected with the connecting interface 403 and is used for sucking amniotic fluid in the insulating mechanism;
meanwhile, a leakage protection device is arranged in the main control instrument 6, when the leakage current of a circuit or electric equipment is larger than the setting value of the device, the device can act rapidly, an accident power supply is cut off, the expansion of the accident is avoided, and the safety of personnel and equipment is ensured.
Specific use and action of the embodiment: in the invention, two puncture needles 1 are punctured into the amniotic cavity of a pregnant woman under the guidance of ultrasound, the tip of a needle body 101 is contracted into an insulating sleeve 201 through a fine adjustment screw 102, the insulating sleeve 201 reaches the body surface of a fetus, one is positioned at the left chest of the fetus, and the other is positioned at the back of the fetus; the amniotic fluid in the insulating sleeve 201 is pumped out through the hollow guide wire 401 by the pump body of the main control instrument 6, so that the inside of the insulating sleeve 201 is isolated from the amniotic cavity, the connecting mechanism 5 is sleeved outside the head end of the hollow guide wire 401, and the cardioversion instrument of the instrument main body 601 is used for electrically cardioversion the fetus, so that the death rate of fetal arrhythmia is reduced.
The foregoing is merely exemplary embodiments of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.
Claims (10)
1. A device for intrauterine electrical cardioversion of a fetus comprising:
the puncture needle (1) is hollow, and is used for puncturing the abdomen of the pregnant woman and guiding the device to enter the amniotic cavity; the tail end of the puncture needle (1) is provided with an adjusting mechanism;
an insulation mechanism is sleeved on the outer side of the puncture needle (1); the tail end of the insulation mechanism is provided with a holding structure, and the holding structure is connected with the adjusting mechanism, so that the puncture needle (1) can be contracted into the insulation mechanism when the adjusting mechanism is rotated;
a cardioversion mechanism (4) inserted inside the puncture needle (1); the tail ends of the two cardioversion mechanisms (4) are respectively contacted with the left chest and the back of the fetus, and the cardioversion mechanisms (4) are used for cardioversion the fetus after being connected with a cardioversion instrument.
2. A device for intrauterine electrical cardioversion of a fetus according to claim 1, characterized in that the puncture needle (1) comprises a needle body (101) and a trimming screw (102); the tip of the needle body (101) is arranged as a tail end, and the other end is a head end.
3. The device for intrauterine device according to claim 2, characterized in that the outer side of the head end of the needle body (101) is fixedly connected with a fine tuning screw (102), and the outer side of the fine tuning screw (102) is provided with threads; the head end of the fine adjustment screw rod (102) is provided with a handle, and the interior of the fine adjustment screw rod (102) is hollow.
4. A device for intrauterine electrical cardioversion of a fetus according to claim 2, characterized in that the insulating means is an insulating layer (2) and that the insulating layer (2) comprises an insulating sleeve (201); the insulation sleeve (201) is sleeved on the outer side of the needle body (101), and relative sliding can be generated between the insulation sleeve (201) and the needle body (101).
5. A device for intrauterine electrical cardioversion of a fetus according to claim 4, characterized in that said insulating layer (2) further comprises a grip element (202); the outer side of the head end of the insulating sleeve (201) is fixedly connected with a holding piece (202), and friction lines are formed on the outer side of the holding piece (202); threads are formed in the holding piece (202), and the threads of the holding piece (202) are meshed with the threads of the fine adjustment screw (102); the fine adjustment screw (102) is inserted inside the grip (202).
6. A device for intrauterine electrical cardioversion of a fetus according to claim 2, characterized in that the inside of the needle (101) is inserted with at least two linearly arranged holders (3); the inside of the retainer (3) is provided with a guide hole.
7. A device for intrauterine electrical cardioversion of a fetus according to claim 1, characterized in that the cardioversion mechanism (4) comprises a hollow wire (401) and a metallic mesh cover (402); the hollow guide wire (401) is made of metal, and the tail end of the hollow guide wire (401) is fixedly connected with a metal mesh cover (402); the metal mesh enclosure (402) is formed by weaving elastic metal wires.
8. A device for intrauterine electrical cardioversion of a fetus according to claim 7, characterized in that the cardioversion mechanism (4) further comprises a connection interface (403); the outer side of the head end of the hollow guide wire (401) is fixedly connected with a connecting joint (501) for connecting with a pump body of a cardioversion instrument, so as to extract amniotic fluid reserved in the insulation mechanism.
9. A device for intrauterine electrical cardioversion of a fetus according to claim 1, characterized by further comprising a connection mechanism (5); the connecting mechanism (5) comprises a connecting joint (501) and a wire (502); the connecting joint (501) is made of metal, and a through hole is formed in the connecting joint (501); the head end of the hollow guide wire (401) is inserted into the through hole of the connecting joint (501) and is used for transmitting current to the hollow guide wire (401) and transmitting the current to the fetal body surface through the metal mesh cover (402);
the outside of attach fitting (501) is provided with the connecting seat, and the connecting seat fixedly connected with wire (502) of attach fitting (501).
10. A device for intrauterine electrical cardioversion of a fetus according to claim 8, characterized by further comprising a master control instrument (6); the main control instrument (6) comprises an instrument main body (601) and a catheter (602); a cardioversion instrument and a pump body are arranged in the instrument main body (601); a main control board is arranged in the instrument main body (601), and the cardioversion instrument and the pump body are controlled through the main control board;
the pump body is connected with the guide pipe (602), and the guide pipe (602) is connected with the connecting interface (403) and is used for sucking amniotic fluid in the insulating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311036581.XA CN116747443B (en) | 2023-08-17 | 2023-08-17 | Device for intrauterine electrical cardioversion of fetus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311036581.XA CN116747443B (en) | 2023-08-17 | 2023-08-17 | Device for intrauterine electrical cardioversion of fetus |
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| CN116747443A CN116747443A (en) | 2023-09-15 |
| CN116747443B true CN116747443B (en) | 2023-10-27 |
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| CN202311036581.XA Active CN116747443B (en) | 2023-08-17 | 2023-08-17 | Device for intrauterine electrical cardioversion of fetus |
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| US20150057505A1 (en) * | 2013-08-22 | 2015-02-26 | Elwha Llc | Method for Administering a Medicament to a Fetus |
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| US7085601B1 (en) * | 1999-11-17 | 2006-08-01 | Koninklijke Philips Electronics N.V. | External atrial defibrillator and method for personal termination of atrial fibrillation |
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| CN110603005A (en) * | 2016-09-28 | 2019-12-20 | 项目莫里股份有限公司 | Delivery methods and devices for arrhythmia diagnosis and/or treatment, and robotic systems for other uses |
| CN216571212U (en) * | 2021-12-02 | 2022-05-24 | 中国人民解放军空军军医大学 | Patient first-aid defibrillator with detection function |
| CN115737085A (en) * | 2022-11-27 | 2023-03-07 | 厦门波耐模型设计有限责任公司 | Device for establishing amniotic cavity channel through mother body and use method thereof |
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