CN100405981C - Occluder delivery system for cardiac surgery department - Google Patents
Occluder delivery system for cardiac surgery department Download PDFInfo
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- CN100405981C CN100405981C CNB2006100907048A CN200610090704A CN100405981C CN 100405981 C CN100405981 C CN 100405981C CN B2006100907048 A CNB2006100907048 A CN B2006100907048A CN 200610090704 A CN200610090704 A CN 200610090704A CN 100405981 C CN100405981 C CN 100405981C
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- puncture sheath
- stopper
- pipe
- occluder
- cardiac surgery
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- 238000007675 cardiac surgery Methods 0.000 title claims abstract description 18
- 239000002184 metal Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229950000845 politef Drugs 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000002560 therapeutic procedure Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 11
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- 239000011886 peripheral blood Substances 0.000 abstract description 3
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- 229910000831 Steel Inorganic materials 0.000 abstract 1
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- 208000002330 Congenital Heart Defects Diseases 0.000 description 6
- 208000028831 congenital heart disease Diseases 0.000 description 6
- 208000035478 Interatrial communication Diseases 0.000 description 4
- 208000013914 atrial heart septal defect Diseases 0.000 description 4
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Abstract
The present invention relates to an occluder conveying system for cardiac surgery departments, which comprises a puncture sheath, an occluder loading tube and a conveying steel cable, wherein the puncture sheath is composed of a puncture sheath tube and a propelling piece arranged in the puncture sheath tube, the puncture sheath tube is connected with the occluder loading tube by a group of connecting pieces in the way of disassembly and assembly, and the tail end of the occluder loading tube is connected with a one-way valve. The occluder conveying system for cardiac surgery departments of the present invention directly sends an occluder to the lesion site by the puncture sheath through body surface puncture without other interventional tools, and the work is implemented under the guiding of an ultrasonic device. The present invention has the advantages of no radiation, no need of contrast agents, no affection of peripheral blood vessels, no age limitation, obviously shortened operating time, obviously reduced cost as compared with that of the interventional therapy of cardiac internal medicines, and direct, simple and safe use methods. Compared with the surgical operation, the present invention has the advantages of small wounds, no need of extracorporeal circulation, no need of blood transfusion, short operation operating time and greatly reduced workloads.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, utensil field, specially refer to the induction system that a kind of Cardiac Surgery is used for the treatment of the unusual stopper of heart septal defect and blood vessel access.
Background technology
Heart septal defect comprises atrial septum, interventricular septal defect, and patent ductus arteriosus is one group of common congenital heart disease.The treatment of these diseases in the past must be gone surgery and be opened the treatment of breast, open heart operation.Its damage is big, the expense costliness, and can bring postoperative complication and stay operative scar, the patient is caused permanent health and psychological wound.In addition, patent ductus arteriosus and atrial septal defect surgical postoperative have certain recanalization rate, and wherein a part needs operative treatment once more.The problems such as beauty treatment that certain mortality rate and surgical operation bring cause that invariably people attempt the interventional therapy method lieu of surgery by internal medicine Wicresoft.The interventional therapy method that Porstmann in 1967 at first adopts not operate on carries out the foam sponge embolotherapy to the congenital heart disease patent ductus arteriosus, has started the beginning of interventional therapy congenital heart disease; King in 1967 and Miller at first adopt two-sided umbrella interventional therapy central type atrial septal defect also to succeed, widened the scope of interventional therapy congenital heart disease, but because all limitation of this method, its success rate is not high, so this method fails to obtain penetration and promotion.
Since the nineties in last century, be mushroom umbrella, bottle stopper shape and the bidiscoidal stopper made by memory alloy wire by U.S. radiologist Amplatzer invention have then overcome most weak points of interventional therapy method in the past well, make the interventional therapy of congenital heart disease receive increasing doctor and patient's approval and concern.Yet the normally intracardiac doctor of section of this technology is under radioscopic image monitors, utilize vascular puncture that stopper is transported to the internal lesions place along vessel lumen, discharge stopper at manipulation in vitro cable silk, make it location and complete filling or shutoff, block abnormal blood flow in the pathological changes defect.Though this process has been avoided the hardship of operating on,, must insert delivery conduit abnormal passage to heart or the trunk by the periphery extremity vascular simultaneously, but also there is following limitation in popularizing of this technology because operation must be used large-scale X ray image equipment:
1, stopper is carried and must be relied on large-scale radioscopic image equipment;
2, stopper is carried and must will be used developing agent;
3, stopper is carried and must be carried out through in the blood vessel, and for big damaged little patient, big stopper will be carried by little blood vessel and often face many difficulties;
4, the complex operations of longer distance in peripheral blood vessel, difficulty is big, be prone to complication.Not only require the doctor to have certain experience, even also need more other to get involved equipment.
For above-mentioned reasons, though intracardiac stopper interventional therapy congenital heart disease reduces than surgery operating wound, the cost of seeking medical advice obviously increases; Simultaneously in case accident, the surgical operation of having to implement once more occur getting involved.
Summary of the invention
Technical problem to be solved by this invention provides a kind of Occluder delivery system for cardiac surgery department, utilizes this system can make the cardiac surgeon pass through the puncture at body surface position, directly stopper is sent into lesions position and is implemented the shutoff treatment.This induction system interventional therapy device is at present simplified greatly, and the difficulty of requirements of operation reduces, and only utilizes the esophagus ultrasonic guidance to get final product, and the cost of seeking medical advice also significantly reduces.
The technical solution used in the present invention is: a kind of Occluder delivery system for cardiac surgery department, comprise that puncture sheath, stopper load pipe and carry wirerope three parts, the puncture sheath is by puncture sheath pipe and place the projectile in the puncture sheath pipe to be formed, one group of connector will puncture sheath pipe and stopper loading dismantled and assembled connection of pipe, and described stopper loads the terminal connection of pipe one check valve.
Wherein, described puncture sheath is straight or curved, the circular sheath pipe of described puncture sheath Guan Weiyi thin-walled, projectile be able to be placed in the puncture sheath pipe, and described projectile is that front end is cone shape cylinder, and end has handle part, the external diameter of described puncture sheath pipe is 5F～16F, and length is 15～35cm; Described one group of connector comprises that the threaded joints that is fixed in puncture sheath pipe end, the threaded joints and that is fixed in stopper loading pipe front end are set in the outer nut of stopper loading pipe; It is 10-25cm that described stopper loads length of tube, and its external diameter, wall thickness is identical with puncture sheath pipe or be slightly less than the sheath pipe that punctures; The exhaustor of described check valve side joint one belt switch; The described conveying wirerope front end screw that to be an energy spin with various different models and specification stopper nut, end is connected to the hands handle; Described conveying wirerope is made up of by the metal spring of 1.0-3.0mm and the metal wire inner core that is applied in the metal spring one section external diameter, and the metal wire inner core diameter is 0.5-1.5mm, and described conveying wirerope length is 25-65cm from screw head to root part of handle; And near carrying wirerope front end 5-15cm metal spring pitch to widen gradually, narrow down gradually apart from the pitch of the above metal spring of screw 15cm; Described puncture sheath tube wall is the three-layer composite structure that two-layer medical macromolecular materials interlayer folder is established a metal stratum reticulare; It is medical macromolecular materials that described puncture sheath, stopper load tubing matter, and described medical macromolecular materials are polrvinyl chloride, politef, polyurethane or medical nylon.
The beneficial effect that the present invention can reach is:
1, Occluder delivery system for cardiac surgery department of the present invention is directly sent stopper into diseased region by the puncture sheath through the body surface puncture, need not other intervention tools, under the ultrasonic device guiding, just can implement, radiationless, need not to use contrast agent, do not influence peripheral blood vessel, be not subjected to age limit, operating time obviously shortens, and more intracardiac section interventional therapy cost obviously reduces;
2, induction system of the present invention is simple to operate, is easy to grasp.The traveling nut of stopper loading pipe front end can make the reprinting pipe just needn't rotate and can closely spin with puncture sheath pipe; Simultaneously, check valve has been connected on the end of stopper loading pipe, internal medicine shutoff interventional therapy process is compared with one heart, before stopper can be installed in valve, therefore needn't directly push in the sheath of going into to puncture by check valve, to cause stopper to push process respectively is smoothness, carries success rate thereby improve stopper, reduces the complication that may cause because of difficulty of transportation greatly;
3, direct, simple, the safety of stopper induction system using method of the present invention.With surgical operation compare wound little, need not extracorporeal circulation, need not blood transfusion, operation time is short, workload reduces greatly;
4, owing to be to operate by the cardiac surgeon, no longer worry to get involved the emergency rescue of failure Cardiac Surgery and may be incured loss through delay in the cardiac surgery operation chamber.
Description of drawings
Fig. 1 is embodiment of the invention puncture sheath tubular construction sketch map;
Fig. 2 is an embodiment of the invention projectile structural representation;
Fig. 3 is embodiment of the invention puncture sheath pipe and projectile combinative structure sketch map;
Fig. 4 carries the wirerope sketch map for the embodiment of the invention;
Fig. 5 is an embodiment of the invention stopper induction system decomposition texture sketch map;
Fig. 6 is an embodiment of the invention stopper induction system structural representation.
The specific embodiment
Consult Fig. 6, be embodiment of the invention stopper induction system structural representation, comprise that mainly puncture sheath 1, stopper load pipe 2 and carry wirerope 3.It is medical macromolecular materials such as polrvinyl chloride, politef, polyurethane or medical nylon that described puncture sheath 1, stopper load pipe 2 main materials.
Consult Fig. 1～3, puncture sheath 1 comprises puncture sheath pipe 14 and projectile 6, projectile 6 be able to be placed in the puncture sheath pipe 14, puncture sheath pipe 14 ends have and stopper loading pipe 2 connecting portions that are connected 4, has screw thread on the connecting portion 4, projectile 6 front ends are coniform, and end has a handle part 7, and handle part 7 can prevent that projectile 6 ends from entering in the puncture sheath pipe 1.Generally, the external diameter of puncture sheath pipe is 5F-16F (1F=0.33mm), and long is 15-35cm.Puncture sheath tube wall is the three-layer composite structure that two-layer medical macromolecular materials interlayer folder is established a metal stratum reticulare.
Consult Fig. 5, Fig. 6, stopper loads and is equipped with the conveying wirerope 3 that extend at two ends in the pipe 2, stopper loads pipe 2 front ends and has connecting portion 9, on the connecting portion 9 screw thread is arranged, and nut 10 is being threaded both connecting portions after stopper loads pipe 2 and sheath pipe 14 sockets of puncturing.External diameter, wall thickness that stopper loads pipe 2 are slightly less than puncture sheath pipe 1, make stopper load pipe 2 and can insert in the puncture sheath pipe 14.The length that general stopper loads pipe is 10-25cm, can satisfy the length after stopper 8 compressions.In actual use, stopper loads pipe 2 ends and also connects a check valve 5 that has an exhaustor 16, is used to prevent that blood is along carrying wirerope excessive; To puncture simultaneously sheath pipe 14, stopper loads the bubbles that may exist in the pipe 2 and by opening exhaustor switch 17 blood refluxed, and puncture sheath pipe-stopper can be loaded the bubble discharge that may exist in the pipe, to prevent aeroembolism.
Consult Fig. 4, carry wirerope 3 to be formed by the metal spring 11 of 1.0-3.0mm and the metal wire inner core 12 that is applied in the metal spring by one section external diameter, the metal inner core front end screw 15 that to be an energy spin with various different models and specification stopper nut, end is connected to handle 13.Metal wire inner core 12 diameters are 0.5-1.5mm, and 13 roots are 25-65cm to described conveying wirerope 3 length from screw head to handle; And near carrying wirerope 3 front end 5-15cm metal spring pitch to widen gradually, make and good more near the screw softness more, narrow down gradually, make its rigidity strong more the closer to handle end apart from the pitch of the above metal spring of screw 15cm.
During use, will carry wirerope 3 to penetrate from the check valve that stopper loads pipe 2 ends earlier, the front end that loads pipe 2 by stopper passes, and the stopper 8 that will select then spins with the screw 15 of carrying the wirerope front end, and stopper is drawn in stopper load in the pipe 2.At this moment stopper is filled in the stopper loading pipe 2, and the stopper that then loading is finished loads pipe 2, stopper 8 and carries wirerope 3 to be immersed in the normal saline standby.With atrial septal defect shutoff treatment is example, general anesthesia at first, tracheal intubation, select right side the 4th intercostal parasternal to make the 2-3cm otch, the suspention pericardium, at right atrium wall work-purse string suture, in pocket, to puncture with the tip of puncture sheath projectile 6, and under the esophagus ultrasonic guidance, push puncture sheath 1 and go into left atrium through atrial septal defect, withdraw from the projectile 6 in the puncture sheath pipe 14, the preprepared stopper is loaded pipe, be screwed in puncture sheath end, screw puncture sheath pipe-stopper and load pipe together with the stopper-conveying wirerope that is contained in the pipe, open exhaustor switch 17 on the check valve 5 after connecting two pipes, blood is discharged along puncture sheath pipe-stopper loading pipe-check valve exhaustor backflow and with bubble.Push this moment and carry wirerope handle 13 just stopper 8 can be sent into the expection position, discharge the preceding umbrella of stopper, push-and-pull inspection displacement, umbrella behind the release stopper is after push-pull test confirms that stopper is put successfully, revolve and take off stopper nut-conveying wirerope front end screw and make stopper break away from carry wirerope, withdraw from the pocket of ligation simultaneously suture, interrupted suture pericardium otch together with the puncture sheath, the tight thoracic wall surface cuts of sewing up, operation technique finishes.
Claims (8)
1. Occluder delivery system for cardiac surgery department, comprise that puncture sheath, stopper load pipe and carry wirerope three parts, it is characterized in that: the puncture sheath is made up of puncture sheath pipe and projectile, described projectile places in the puncture sheath pipe, puncture sheath pipe loads pipe by one group of dismantled and assembled connection of connector with stopper, described one group of connector comprises that the threaded joints of puncture sheath pipe end, the threaded joints and of stopper loading pipe front end are set in the outer nut of stopper loading pipe, and described stopper loading pipe end connects a check valve and an exhaustor.
2. a kind of Occluder delivery system for cardiac surgery department according to claim 1, it is characterized in that: described puncture sheath is straight or curved, the circular sheath pipe of described puncture sheath Guan Weiyi thin-walled, projectile be able to be placed in the puncture sheath pipe, described projectile main body is cylindric, that the projectile front end is is coniform, end has handle part, and the external diameter of described puncture sheath pipe is 5F～16F, and length is 15～35cm.
3. a kind of Occluder delivery system for cardiac surgery department according to claim 1 is characterized in that: it is 10-25cm that described stopper loads length of tube, and its external diameter, wall thickness are slightly less than puncture sheath pipe.
4. a kind of Occluder delivery system for cardiac surgery department according to claim 1 is characterized in that: described stopper loads the described check valve of the terminal connection of pipe, the described exhaustor of described check valve side joint, and described exhaustor has switch.
5. a kind of Occluder delivery system for cardiac surgery department according to claim 1 is characterized in that: the described conveying wirerope front end screw that to be an energy spin with various different models and specification stopper nut, end is connected to handle.
6. a kind of Occluder delivery system for cardiac surgery department according to claim 5, it is characterized in that: described conveying wirerope is made up of by the metal spring of 1.0-3.0mm and the metal wire inner core that is applied in the metal spring one section external diameter, the metal wire inner core diameter is 0.5-1.5mm, and the metal wire inner core diameter is less than the metal spring internal diameter, and described conveying wirerope length is 25-65cm from screw head to root part of handle; And near carrying wirerope front end 5-15cm metal spring pitch to widen gradually, narrow down gradually apart from the pitch of the above metal spring of screw 15cm.
7. a kind of Occluder delivery system for cardiac surgery department according to claim 1 is characterized in that: described puncture sheath tube wall is the three-layer composite structure that two-layer medical macromolecular materials interlayer folder is established a metal stratum reticulare.
8. a kind of Occluder delivery system for cardiac surgery department according to claim 1, it is characterized in that: it is medical macromolecular materials that described puncture sheath, stopper load tubing matter, and described medical macromolecular materials are polrvinyl chloride, politef, polyurethane or medical nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100907048A CN100405981C (en) | 2006-06-28 | 2006-06-28 | Occluder delivery system for cardiac surgery department |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100907048A CN100405981C (en) | 2006-06-28 | 2006-06-28 | Occluder delivery system for cardiac surgery department |
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| CN1883402A CN1883402A (en) | 2006-12-27 |
| CN100405981C true CN100405981C (en) | 2008-07-30 |
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| CNB2006100907048A Active CN100405981C (en) | 2006-06-28 | 2006-06-28 | Occluder delivery system for cardiac surgery department |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11957846B2 (en) | 2010-06-25 | 2024-04-16 | Ecp Entwicklungsgesellschaft Mbh | System for introducing a pump |
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| CN102028510B (en) * | 2010-12-22 | 2012-07-25 | 乐普（北京）医疗器械股份有限公司 | Conveyor device |
| CN103252013B (en) * | 2013-06-04 | 2014-10-22 | 南京大学医学院附属鼓楼医院 | Puncturing sheath for aortic vessel lumen interventional surgery |
| CN103462653A (en) * | 2013-08-30 | 2013-12-25 | 上海市东方医院 | Intervening and closuring partitioning catheter for congenital heart disease ventricular septal defect surgery |
| CN104667354A (en) * | 2015-03-10 | 2015-06-03 | 丁莉 | Catheter for neural interventional angiography |
| CN106923870A (en) * | 2015-12-31 | 2017-07-07 | 中国医学科学院阜外医院 | A kind of induction system and its application method for research of transcatheter closure of ventricular septal defect |
| CN105534551B (en) * | 2016-01-12 | 2018-05-18 | 青岛市妇女儿童医院 | A kind of children's Occluder delivery system for cardiac surgery department |
| CN109044468A (en) * | 2018-09-18 | 2018-12-21 | 南京思脉德医疗科技有限公司 | A kind of blood vessel blocking device envelope thromboembolism structure |
| CN110339433B (en) * | 2019-08-20 | 2024-05-14 | 中国人民解放军总医院 | Triple puncture needle device and method for transthoracic epicardial intramyocardial injection under ultrasonic guidance |
| CN112120759A (en) * | 2020-10-13 | 2020-12-25 | 上海腾复医疗科技有限公司 | Medicine injection support and medicine injection thrombolysis system comprising same |
| CN112401947B (en) * | 2020-11-24 | 2023-08-08 | 李建朝 | Spherical structure plugging device for extracardiac operation and application method thereof |
| CN114668440A (en) * | 2020-12-24 | 2022-06-28 | 上海加奇生物科技苏州有限公司 | Embolism spring ring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US11957846B2 (en) | 2010-06-25 | 2024-04-16 | Ecp Entwicklungsgesellschaft Mbh | System for introducing a pump |
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| CN1883402A (en) | 2006-12-27 |
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