CN103142283B - Electromagnetic controllable occlusion system for celiac great vessels - Google Patents
Electromagnetic controllable occlusion system for celiac great vessels Download PDFInfo
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- CN103142283B CN103142283B CN201310051814.3A CN201310051814A CN103142283B CN 103142283 B CN103142283 B CN 103142283B CN 201310051814 A CN201310051814 A CN 201310051814A CN 103142283 B CN103142283 B CN 103142283B
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Abstract
An electromagnetic controllability occlusion system for celiac great vessels comprises an internal magnetic vessel occlusion device, an external electromagnet element and central control equipment, wherein the internal magnetic vessel occlusion device corresponds to an external electromagnet element which is connected with the central control equipment; the internal magnetic vessel occlusion device is placed on the surface of an infrahepatic vena cava and used for pressing and occluding vessels; the external electromagnet element is integrated into an operating bed mattress and used for locating the internal magnetic vessel occlusion device and gradually increasing the current of the external electromagnet element; and occlusion of postcava or aorta abdominalis is realized through attraction between the external electromagnet element and the internal magnetic vessel occlusion device. The electromagnetic controllability occlusion system can be operated simply, conveniently, quickly and safely, avoids defects of longer operation time, vessel injury and the like, which are caused by vessel separation in an open appendectomy or laparoscopic surgery , and simultaneously solves the problem of instable systemic hemodynamics probably caused by a traditional vessel occlusion method.
Description
Technical field
The present invention relates to technical field of medical equipment, be applicable to abdominal cavity trunk and ventral aorta and inferior caval blocking-up, be specifically related to a kind of electromagnetism controllability blood vessel blocking system.
Background technology
In recent years, along with the progress of surgery operating technology, the development of associated surgical instrument and equipment and the application of various haemostatic medicament, the control of intraoperative hemorrhage obtains very fast development, particularly the use of blood vessel blocking technology.In hepatectomy, all or part of blocking-up of porta hepatis, Hepatic veins occlusion, total hepatic vascular exclusion have been applied to clinical all, and the undergoing hepatectomy being clamped proposed recently is proved obviously can reduces intraoperative hemorrhage with the method reducing central venous pressure.In addition, in abdominal aortic aneurysm repairing operation, pelvic tumor and fracture operation, the blocking-up of ventral aorta is also used to para-operatively to complete smoothly.In the operation for abdominal cavity and pelvic cavity, particularly have and the complicated operation that in art, massive hemorrhage is possible occurs, on ventral aorta, preset blocking-up band can improve the safety of operation.For intraperitoneal position deeply trunk, comprise postcava and ventral aorta, traditional exposure, be separated, the method blocked not only extends operating time, and likely cause iatrogenic blood vessel injury, developing rapidly particularly along with Minimally Invasive Surgery, more operation can complete under peritoneoscope, because laparoscopic procedure lower hemostasia is comparatively difficult, blood vessel blocking is utilized to prevent hemorrhage more necessary, and completing blood vessel blocking under peritoneoscope, to compare abdominal more difficult, therefore the innovation research optimized and improve blood vessel blocking method and relevant device has major clinical significance and development prospect.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of electromagnetism controllability blood vessel blocking system, easy and simple to handle, rapidly and safety.
To achieve these goals, the technical solution used in the present invention is:
A kind of electromagnetism controllability abdominal cavity trunk blocking system, comprise magnetic force blood vessel blocking device 1, external electromagnet element 2 and maincenter control appliance 3 in body, in body magnetic force blood vessel blocking device 1 and external electromagnet element 2 corresponding, external electromagnet element 2 is connected with maincenter control appliance 3;
In described body, magnetic force blood vessel blocking device 1 is put in the surface of trunk, infrahepatic vena cava, for oppressing and blocking blood vessel after connecting with external electromagnet element 2;
Described external electromagnet element 2 is integrated in operation bed pad, the position of magnetic force blood vessel blocking device 1 in positioning body, increase the electric current of external electromagnet element 2 gradually, realized the blocking-up of postcava or ventral aorta by the captivation in itself and body between magnetic force blood vessel blocking device 1.
In described body, magnetic force blood vessel blocking device 1 is rectangular shape, Nd-Fe-Bo permanent magnet material, and length × wide × height has following different size: 0.5 × 0.5 × 3cm, 0.5 × 0.5 × 4cm and 0.5 × 0.5 × 5cm.
Described external electromagnet element 2 is square structure 201, square structure 201 is corresponding with patient's abdomen area, a crossbeam 202 is provided with in square structure 201, crossbeam 202 is configured in longitudinal slide rail of square structure 201, crossbeam 202 is provided with horizontal slide rail, and electric magnet 203 is configured in horizontal slide rail.
Described electric magnet 203 is cylindrical shape, and iron core is soft magnetic materials.
Described maincenter control appliance 3 comprises display screen 301, and display screen 301 controls display by operation interface, and operation interface is provided with switch 302 and the regulator control system 303 by electromagnet current size.
Compared with prior art, novelty of the present invention is:
1. by the object reaching and block vascular flow that attracts each other between magnetic force blood vessel blocking device 1 in external electric magnet 203 and body, easy and simple to handle, rapidly and safety, avoid out the shortcoming such as operating time prolongation, blood vessel injury that separating blood vessel in abdomen or By Laparoscopic Surgery brings.
2. use undergoing hepatectomy being clamped to reduce in the operation of central venous pressure when hepatotomy is performed the operation, blood vessel is blocked by the captivation increased gradually in electric magnet 203 and body between magnetic force blood vessel blocking device 1, observation central venous pressure and systemic hemodynamic must change simultaneously, to reach best blood vessel blocking state, avoid the problem of the systemic hemodynamic shakiness that traditional blood vessel blocking method may cause.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of external electromagnet element 2 of the present invention.
Fig. 3 is the schematic diagram of maincenter control appliance 3 of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further details.
As shown in Figure 1, a kind of electromagnetism controllability abdominal cavity trunk blocking system, comprise magnetic force blood vessel blocking device 1, external electromagnet element 2 and maincenter control appliance 3 in body, in body magnetic force blood vessel blocking device 1 and external electromagnet element 2 corresponding, external electromagnet element 2 is connected with maincenter control appliance 3;
In described body, magnetic force blood vessel blocking device 1 is put in the surface of trunk, infrahepatic vena cava, for oppressing and blocking blood vessel after connecting with external electromagnet element 2;
Described external electromagnet element 2 is integrated in operation bed pad, the position of magnetic force blood vessel blocking device 1 in positioning body, increase the electric current of external electromagnet element 2 gradually, realized the blocking-up of postcava or ventral aorta by the captivation in itself and body between magnetic force blood vessel blocking device 1.
In described body, magnetic force blood vessel blocking device 1 is for being rectangular shape, Nd-Fe-Bo permanent magnet material, and length × wide × height has following different size: 0.5 × 0.5 × 3cm, 0.5 × 0.5 × 4cm and 0.5 × 0.5 × 5cm.
As shown in Figure 2, described external electromagnet element 2 is square structure 201, square structure 201 is corresponding with patient's abdomen area, a crossbeam 202 is provided with in square structure 201, crossbeam 202 is configured in longitudinal slide rail of square structure 201, crossbeam 202 is provided with horizontal slide rail, and electric magnet 203 is configured in horizontal slide rail.
Described electric magnet 203 is cylindrical shape, and iron core is soft magnetic materials.
Described maincenter control appliance 3 comprises display screen 301, and display screen 301 controls display by operation interface, and operation interface is provided with switch 302 and the regulator control system 303 by electromagnet current size.
Operation principle of the present invention is:
Opening in abdomen or laparoscopic surgery, place magnetic force blood vessel blocking device 1 in body in the surface of postcava or ventral aorta, make it corresponding with the position of magnetic force blood vessel blocking device 1 in body by the position of the slide rail adjustment electric magnet 203 of external electromagnet element 2, connect the power supply of electric magnet 203, adjustment increases the captivation in itself and body between magnetic force blood vessel blocking device 1 gradually by the size of electric magnet 203 electric current, realizes the blocking-up completely of Ink vessel transfusing blood flow.
The example use procedure blocking infrahepatic vena cava in hepatectomy is as follows:
Patient gets dorsal position, and routine disinfection drape after general anesthesia, gets otch below right costal margin, detects abdominal cavity and by the intraoperative ultrasound assessment size of tumor, quantity and and the position relationship of important blood vessels.Expose and be separated liver superior and inferior vena cava, magnetic force blood vessel blocking device 1 in body is placed on its surface, with hands, its position is fixed, the position of electromagnet element is adjusted by the external electromagnet element 2 in operation bed pad, corresponding with magnetic force blood vessel blocking device 1 in body, switched on power by maincenter control appliance 3 and slowly increase the current intensity by electric magnet 203, magnetic force blood vessel blocking device 1 pair of vascular compression situation in body of observing also records the change of central venous pressure and other hemodynamic indexs in electrocardiogram monitor simultaneously, the size of electric current is no longer increased when central venous pressure is controlled in 5-10cm water column, if arterial pressure and heart rate maintain normal level, start to carry out conventional hepatectomy, the current intensity in electric magnet 203 is slowly reduced by after removing tumor, until cut off the electricity supply, complete operation.
Claims (4)
1. an electromagnetism controllability abdominal cavity trunk blocking system, it is characterized in that: comprise magnetic force blood vessel blocking device (1) in body, external electromagnet element (2) and maincenter control appliance (3), in body magnetic force blood vessel blocking device (1) and external electromagnet element (2) corresponding, external electromagnet element (2) is connected with maincenter control appliance (3);
In described body, magnetic force blood vessel blocking device (1) is put in the surface of trunk, infrahepatic vena cava, for oppressing and blocking blood vessel after connecting with external electromagnet element 2;
Described external electromagnet element (2) is integrated in operation bed pad, the position of magnetic force blood vessel blocking device (1) in positioning body, increase the electric current of external electromagnet element (2) gradually, realized the blocking-up of postcava or ventral aorta by the captivation in itself and body between magnetic force blood vessel blocking device (1);
Described external electromagnet element (2) is square structure (201), square structure (201) is corresponding with patient's abdomen area, a crossbeam (202) is provided with in square structure (201), crossbeam (202) is configured in longitudinal slide rail of square structure (201), crossbeam (202) is provided with horizontal slide rail, and electric magnet (203) is configured in horizontal slide rail.
2. a kind of electromagnetism controllability abdominal cavity according to claim 1 trunk blocking system, it is characterized in that: in described body magnetic force blood vessel blocking device (1) be rectangular shape, Nd-Fe-Bo permanent magnet material, length × wide × height has following different size: 0.5 × 0.5 × 3cm, 0.5 × 0.5 × 4cm and 0.5 × 0.5 × 5cm.
3. a kind of electromagnetism controllability abdominal cavity according to claim 1 trunk blocking system, it is characterized in that: described electric magnet (203) is cylindrical shape, iron core is soft magnetic materials.
4. a kind of electromagnetism controllability abdominal cavity according to claim 1 trunk blocking system, it is characterized in that: described maincenter control appliance (3) comprises display screen (301), display screen (301) controls display by operation interface, and operation interface is provided with switch (302) and the regulator control system (303) by electromagnet current size.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310051814.3A CN103142283B (en) | 2013-02-18 | 2013-02-18 | Electromagnetic controllable occlusion system for celiac great vessels |
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| CN201310051814.3A CN103142283B (en) | 2013-02-18 | 2013-02-18 | Electromagnetic controllable occlusion system for celiac great vessels |
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| CN103142283B true CN103142283B (en) | 2015-04-15 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104055548B (en) * | 2014-07-10 | 2016-03-02 | 张自雄 | The device that chamber is suitable for cervical region endoscopic surgery is built by Magnetic force tracting activity |
| CN109171863A (en) * | 2018-09-12 | 2019-01-11 | 李坚 | A kind of blood vessel blocking instrument and working method based on electromagnetic force |
| CN113558703A (en) * | 2021-07-22 | 2021-10-29 | 西安交通大学医学院第一附属医院 | Abdominal aorta regulation and control type magnetic clamping blocking device based on abdominal cavity operation |
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| CN2107894U (en) * | 1991-12-18 | 1992-06-24 | 邹宁 | Sacro-anterior thumbtack hemostat |
| CN101896137A (en) * | 2007-10-11 | 2010-11-24 | 米卢克斯控股股份有限公司 | Apparatus for controlling flow in a bodily organ |
| CN102008337A (en) * | 2010-08-02 | 2011-04-13 | 西安交通大学 | Magnetic device used for cardia-esophagogastric varices sugiura |
| CN102389326A (en) * | 2011-07-19 | 2012-03-28 | 李悦 | Automatic program-controlled pressure quantitative-controlled hemostasis device |
| EP2436338A1 (en) * | 2004-08-05 | 2012-04-04 | Torax Medical, Inc. | Apparatus for treating body tissue sphincters and the like |
| CN202699212U (en) * | 2012-04-05 | 2013-01-30 | 练栩辉 | Sliding hemostasis needle |
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2013
- 2013-02-18 CN CN201310051814.3A patent/CN103142283B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2107894U (en) * | 1991-12-18 | 1992-06-24 | 邹宁 | Sacro-anterior thumbtack hemostat |
| EP2436338A1 (en) * | 2004-08-05 | 2012-04-04 | Torax Medical, Inc. | Apparatus for treating body tissue sphincters and the like |
| CN101896137A (en) * | 2007-10-11 | 2010-11-24 | 米卢克斯控股股份有限公司 | Apparatus for controlling flow in a bodily organ |
| CN102008337A (en) * | 2010-08-02 | 2011-04-13 | 西安交通大学 | Magnetic device used for cardia-esophagogastric varices sugiura |
| CN102389326A (en) * | 2011-07-19 | 2012-03-28 | 李悦 | Automatic program-controlled pressure quantitative-controlled hemostasis device |
| CN202699212U (en) * | 2012-04-05 | 2013-01-30 | 练栩辉 | Sliding hemostasis needle |
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