CN209864969U - Intracranial diversion device for aorta and bilateral internal carotid artery - Google Patents
Intracranial diversion device for aorta and bilateral internal carotid artery Download PDFInfo
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Abstract
The utility model provides an intracranial diversion device for aorta and bilateral internal carotid arteries. The utility model has the advantages of, the utility model discloses the aorta passes through the interim blood supply passageway that external shunt established with the intracranial device of two side internal carotid arteries, carries out two side internal carotid arteries and the interim blood supply of intracranial blood vessel when can be simply going the tectorial membrane support to the aorta bow and cover, treats that the tectorial membrane support windows branch and rebuilds the back, resumes original blood flow. The external flow transfer method is simple and convenient to operate, has small wound, does not need to block internal carotid artery, does not need to interrupt intracranial blood flow, rarely causes plaque shedding, does not influence operation and has low stroke incidence rate of patients.
Description
Technical Field
The utility model relates to a medical science and engineering cross field especially relate to a device of interim intracranial diversion of aorta and two side internal carotid.
Background
Aortic aneurysms and aortic dissections are a life-threatening disease in humans. At present, the surgical operation is still an effective treatment method for aortic dissection and aneurysm, but the technical difficulty is high, the requirements on operators and operating rooms are high, the popularization and the application are limited, but the technology needs general anesthesia downlink bypass transplantation, the operation risk is higher than that of simple internal cavity treatment, the operation time and the postoperative recovery time are long, and the complications such as infection, bleeding and the like are relatively more.
In recent years, the application and development of aortic endoluminal repair (TEVAR) has greatly changed the condition of the disease treatment, and the advantages of minimal invasion, safety, effectiveness and the like have been widely accepted. In some patients, the management of the arcus lesions is a significant challenge facing current vascular surgeons due to the complexity of aortic arch anatomy, the high risk of stroke. The aortic arch has complex anatomical morphology, and has torsion with different degrees on the coronary position, the sagittal position and the axial position, and the torsion is continuously changed along with the age, thereby not only increasing the difficulty of accurately measuring the diameter of the cross section of the aortic arch and the difficulty of accurately releasing the stent during the intracavity treatment, but also leading to the need of a longer anchoring area when the stent is effectively anchored. The branch vessels on the arch, which provide the blood supply to the upper limbs, especially the head and neck, limit the free upward movement of the anchoring zone and also bring more risks to the technical operations in the treatment of the lesions on the arch, the variation of the branches of which further aggravates the complexity thereof. Therefore, it is important to establish a temporary intracranial diversion method of the aorta and the bilateral internal carotid artery.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide an intracranial diversion device of aorta and bilateral internal carotid, its easy and simple to handle, the wound is less, need not block the internal carotid, need not interrupt intracranial blood flow, arouses the plaque to drop very few, does not influence operation and patient's apoplexy incidence and is lower.
In order to solve the above problems, the present invention provides an intracranial diversion device for aorta and bilateral internal carotid artery, comprising: the first sheath can be implanted at the root of the ascending aorta close to the heart valve through the right common carotid artery, and the tail end of the first sheath faces the direction of the right internal carotid artery; a second sheath which can be implanted at the distal end of the right internal carotid artery, the tail end of the second sheath faces the direction of the right common carotid artery and is communicated with the first sheath; the second sheath can be implanted at the aortic arch near the heart end through the left common carotid artery, and the tail end of the third sheath faces the left internal carotid artery and can be communicated with the second sheath; a fourth sheath, the fourth sheath inserts the tail end of first sheath, the tail end of fourth sheath is kept away from first sheath, the fourth sheath with first sheath intercommunication, and with third sheath intercommunication.
In one embodiment, the apparatus for intracranial diversion of aorta and bilateral internal carotid artery further comprises a first diversion tube, a second diversion tube and a third diversion tube, wherein two ends of the first diversion tube are respectively connected with the branch tube at the tail end of the first sheath tube and the branch tube at the tail end of the second sheath tube, so that the first sheath tube is communicated with the second sheath tube; two ends of the second diversion pipe are respectively connected with the branch pipe at the tail end of the second sheath pipe and the branch pipe at the tail end of the third sheath pipe, so that the second sheath pipe is communicated with the third sheath pipe; and two ends of the third diversion pipe are respectively connected with the branch pipe at the tail end of the third sheath pipe and the branch pipe at the tail end of the fourth sheath pipe, so that the third sheath pipe is communicated with the fourth sheath pipe.
In one embodiment, the inner diameter of the first sheath is larger than the inner diameter of the second sheath, and the inner diameter of the first sheath is larger than the inner diameter of the fourth sheath.
In one embodiment, the first sheath is a sheath greater than or equal to 16F.
In one embodiment, the second sheath is a sheath greater than or equal to 6F.
In one embodiment, the second sheath has a length greater than or equal to 6 centimeters.
In one embodiment, the third sheath is a sheath greater than or equal to 12F.
In one embodiment, the fourth sheath has an inner diameter greater than an inner diameter of the second sheath.
In one embodiment, the fourth sheath is a sheath greater than or equal to 8F.
The utility model has the advantages of, the utility model discloses the aorta passes through the interim blood supply passageway that external shunt established with the intracranial device of two side internal carotid arteries, carries out two side internal carotid arteries and the interim blood supply of intracranial blood vessel when can be simply going the tectorial membrane support to the aorta bow and cover, treats that the tectorial membrane support windows branch and rebuilds the back, resumes original blood flow. The external flow transfer method is simple and convenient to operate, has small wound, does not need to block internal carotid artery, does not need to interrupt intracranial blood flow, rarely causes plaque shedding, does not influence operation and has low stroke incidence rate of patients.
Drawings
Fig. 1 is a schematic structural diagram of the intracranial diversion device for aorta and bilateral internal carotid artery of the present invention.
Detailed Description
The detailed description of the specific embodiments of the intracranial diversion device for aorta and bilateral internal carotid artery provided by the present invention is provided below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the intracranial diversion device for aorta and bilateral internal carotid artery of the present invention. Referring to fig. 1, the device for intracranial diversion of aorta and bilateral internal carotid artery of the present invention includes a first sheath 1, a second sheath 2, a third sheath and a fourth sheath 4.
The first sheath 1 can be implanted to the root of the ascending aorta 101 near the heart valve through the right common carotid artery 100, and the tail end of the first sheath 1 faces the direction of the right internal carotid artery 102. Specifically, when the device for intracranial diversion of the aorta and the bilateral internal carotid artery is used, the first sheath 1 is implanted through the right common carotid artery 100 towards the proximal end, the proximal end is implanted at the root of the ascending aorta 101 close to the heart valve, and the tail end of the first sheath 1 faces the right internal carotid artery 102 to facilitate connection with other sheaths. In the present embodiment, the first sheath 1 is a sheath of 16F or more, which is a long sheath. In this embodiment, sheath 16F is implanted proximally through the right common carotid artery 100 and proximally to the root of the ascending aorta 101 near the heart valve. At the end of the first sheath 1 there is at least one branch 10 to facilitate connection with other sheaths.
The second sheath 2 can be implanted distal to the right internal carotid artery 102. Specifically, in using the device for intracranial diversion of the aortic and bilateral internal carotid arteries, the second sheath 2 is implanted distal to the right internal carotid artery 102. Wherein the second sheath 2 has a length of more than 6 cm, and is a short sheath. Further, the second sheath is a sheath of 6F or more. For example, in this embodiment, a short sheath of 6F is implanted at the distal end of the right internal carotid artery 102 to a depth of 4-6 cm. At the rear end of the second sheath 2 there is at least one branch 20 to facilitate connection with other sheaths.
The second sheath 2 communicates with the first sheath 1. Specifically, the device for intracranial diversion of the aorta and the bilateral internal carotid artery further comprises a first diversion pipe 5, and two ends of the first diversion pipe 5 are respectively connected with a branch pipe 10 at the tail end of the first sheath pipe 1 and a branch pipe 20 at the tail end of the second sheath pipe 2, so that the first sheath pipe 1 is communicated with the second sheath pipe 2.
The third sheath 3 can be implanted through the left common carotid artery 103 at the proximal aortic arch 104. Specifically, in using the device for intracranial diversion of the aorta and the bilateral internal carotid artery, the third sheath 3 is implanted proximally through the left common carotid artery 103 to the aortic arch 104. The third sheath 3 is a sheath of 12F or more. For example, in this embodiment, a large sheath of 12F is implanted proximally through the left common carotid artery 103 to the aortic arch 104. The tail end of the third sheath 3 faces the left internal carotid artery 105, and the tail end of the third sheath 3 is provided with at least one branch pipe 30 so as to be connected with other sheaths.
The third sheath 3 can communicate with the second sheath 2. Specifically, the device for intracranial diversion of the aorta and the bilateral internal carotid artery further comprises a second diversion pipe 6, and two ends of the second diversion pipe 6 are respectively connected with a branch pipe at the tail end of the second sheath pipe 2 and a branch pipe at the tail end of the third sheath pipe 3, so that the second sheath pipe 2 is communicated with the third sheath pipe 3. When the third sheath tube 3 needs to be communicated with the second sheath tube 2, two ends of the second diversion tube 6 are respectively connected to the branch tube at the tail end of the second sheath tube 2 and the branch tube at the tail end of the third sheath tube 3, so that the second sheath tube 2 is communicated with the third sheath tube 3.
The fourth sheath 4 is inserted into the end of the first sheath 1. Specifically, in the case of using the apparatus for intracranial diversion of the aorta and the bilateral internal carotid artery, the fourth sheath 4 is inserted into the trailing end of the first sheath 1 to communicate the first sheath 1 with the fourth sheath 4. The tail end of the fourth sheath 4 is far away from the first sheath 1, so that the fourth sheath 4 is connected with other sheaths. The fourth sheath 4 is a sheath of 8F or more. For example, in the present embodiment, the 8F sheath is inserted into the tail end of the first sheath 1 to communicate the first sheath 1 with the fourth sheath 4.
Since the fourth sheath 4 is inserted into the tail end of the first sheath 1, the fourth sheath 4 is communicated with the first sheath 1. The fourth sheath 4 is also in communication with the third sheath 3. Specifically, the device for intracranial diversion of the aorta and the bilateral internal carotid artery further comprises a third diversion pipe 7, and two ends of the third diversion pipe 7 are respectively connected with the branch pipe 30 at the tail end of the third sheath pipe 3 and the branch pipe 40 at the tail end of the fourth sheath pipe 4, so that the third sheath pipe 3 is communicated with the fourth sheath pipe 4.
Further, the inner diameter of the first sheath 1 is larger than the inner diameter of the second sheath 2, and the inner diameter of the first sheath 1 is larger than the inner diameter of the fourth sheath 4. Thereby enabling to secure a sufficient blood supply. Further, the inner diameter of the fourth sheath 4 is larger than the inner diameter of the second sheath 5.
Where F is the unit of the sheath, "French," which is a description of the sheath circumference. For example, a 6F sheath may have an inner diameter of about 2mm, and a 24F sheath may have an inner diameter of about 8 mm. The first sheath tube 1, the second sheath tube 2, the third sheath tube 3, the fourth sheath tube 4, the first diversion tube 5, the second diversion tube 6 and the third diversion tube 7 are all conventional structures in the field, and a person skilled in the art can obtain the structure from the prior art.
The operation of the intracranial diversion device for aorta and bilateral internal carotid artery of the present invention is described below. When the device for intracranial diversion of the aorta and the bilateral internal carotid artery of the utility model is used, the flow direction of blood is shown by a dotted arrow and a solid arrow in the figure, wherein, the dotted arrow shows the blood flow direction when the left internal carotid artery blood vessel is windowed, and the solid arrow shows the blood flow direction when the right internal carotid artery blood vessel is windowed.
After the general anesthesia succeeds, the brachiocephalic artery, the left internal carotid artery and the left subclavian artery are incised and exposed under the aseptic condition, and an in-vitro intracranial artery and bilateral internal carotid artery temporary diversion system is established.
The method mainly comprises the following three parts:
the first part establishes a diversion system for the right brachiocephalic artery and the right internal carotid artery.
Implanting a first sheath 1 through the right common carotid artery 100 towards the proximal end, wherein the proximal end is implanted at the root of the ascending aorta 101 close to the heart valve; the distal end of the right internal carotid artery 102 is implanted into a second sheath 2, and the branch pipe 10 at the tail end of the first sheath 1 is communicated with the branch pipe 20 at the tail end of the second sheath 2 through the first diversion pipe 5, so as to ensure the supply of right intracranial blood.
The second part establishes a diversion system for the right internal carotid artery and the left internal carotid artery.
Implanting a third sheath 3 proximally through the left common carotid artery 103 to the aortic arch 104; inserting a third sheath tube 3 at the tail end of the first sheath tube 1; and the third sheath tube 3 is communicated with the fourth sheath tube 4 through a second shunt tube 6 so as to ensure left-side intracranial blood supply.
When the left internal carotid artery is windowed, the left common carotid artery does not flow blood, then the blood flows to the second sheath tube 2 and the fourth sheath tube 4 through the first sheath tube 1 respectively, the blood supplies blood to the right intracranial through the first sheath tube 1, the second sheath tube 2 and the right internal carotid artery 102, and the blood supplies blood to the left intracranial through the tail ends of the first sheath tube 1, the fourth sheath tube 4 and the third sheath tube 3 and the left internal carotid artery 105.
And the third part is that after the left internal carotid artery is successfully windowed, a diversion system of the left internal carotid artery and the right internal carotid artery is established.
After the left internal carotid artery is windowed and successfully implanted into the branch stent, the branch tube at the tail end of the third sheath tube 3 is communicated with the branch tube at the tail end of the second sheath tube 2 through the third shunt tube 7, when the right internal carotid artery 102 is windowed, the right internal carotid artery does not circulate blood, then the blood flows to the fourth sheath tube 4, the second sheath tube 2 and the left internal carotid artery 105 through the third sheath tube 3 respectively, the blood supplies blood to the left intracranial through the third sheath tube 3 and the left internal carotid artery 105, and the blood supplies blood to the right intracranial through the third sheath tube 3, the fourth sheath tube 4, the second sheath tube 2 and the right internal carotid artery 102.
The utility model discloses the device of the intracranial diversion of aorta and two side internal carotid passes through the interim blood supply passageway that external diversion pipe established, can be simple carry out the interim blood supply of two side internal carotid arteries and intracranial blood vessel when going the tectorial membrane support to the aorta arch and cover, treat that the tectorial membrane support windows branch and rebuilds the back, resume original blood flow. The external flow transfer method is simple and convenient to operate, has small wound, does not need to block internal carotid artery, does not need to interrupt intracranial blood flow, rarely causes plaque shedding, does not influence operation and has low stroke incidence rate of patients.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. An intracranial diversion apparatus for aortic and bilateral internal carotid arteries, comprising:
a first sheath, wherein the first sheath is used for being implanted at the root of the ascending aorta close to the heart valve through the right common carotid artery, and the tail end of the first sheath is towards the direction of the right internal carotid artery;
the second sheath is used for being implanted at the distal end of the right internal carotid artery, and the tail end of the second sheath faces the direction of the right common carotid artery and is communicated with the first sheath;
the second sheath is used for being implanted at the aortic arch near the heart end through the left common carotid artery, and the tail end of the third sheath faces the left internal carotid artery and can be communicated with the second sheath;
a fourth sheath, wherein the fourth sheath is inserted into the tail end of the first sheath, the tail end of the fourth sheath is far away from the first sheath, and the fourth sheath is communicated with the first sheath and the third sheath;
the two ends of the first diversion pipe are respectively connected with the branch pipe at the tail end of the first sheath pipe and the branch pipe at the tail end of the second sheath pipe, so that the first sheath pipe is communicated with the second sheath pipe;
the two ends of the second shunt tube are respectively connected with the branch tube at the tail end of the second sheath tube and the branch tube at the tail end of the third sheath tube, so that the second sheath tube is communicated with the third sheath tube; and the number of the first and second groups,
and two ends of the third diversion pipe are respectively connected with the branch pipe at the tail end of the third sheath pipe and the branch pipe at the tail end of the fourth sheath pipe, so that the third sheath pipe is communicated with the fourth sheath pipe.
2. The apparatus according to claim 1, wherein the inner diameter of said first sheath is larger than the inner diameter of said second sheath, and the inner diameter of said first sheath is larger than the inner diameter of said fourth sheath.
3. The device for intracranial diversion of the aortic and bilateral internal carotid arteries of claim 1, wherein the first sheath is a 16F or greater sheath.
4. The aortic and bilateral intracranial carotid shunting device of claim 1, wherein the second sheath is a 6F or greater sheath.
5. The intracranial flow diverting device according to claim 1, wherein the second sheath has a length greater than or equal to 6 cm.
6. The aortic and bilateral intracranial carotid shunting device of claim 1, wherein the third sheath is a 12F or greater sheath.
7. The apparatus for intracranial diversion of the aortic and bilateral internal carotid arteries of claim 1, wherein the fourth sheath has an inner diameter greater than the inner diameter of the second sheath.
8. The aortic and bilateral intracranial carotid shunting device of claim 1, wherein the fourth sheath is a 8F or greater sheath.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821578983.7U CN209864969U (en) | 2018-09-27 | 2018-09-27 | Intracranial diversion device for aorta and bilateral internal carotid artery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821578983.7U CN209864969U (en) | 2018-09-27 | 2018-09-27 | Intracranial diversion device for aorta and bilateral internal carotid artery |
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| CN209864969U true CN209864969U (en) | 2019-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109125886A (en) * | 2018-09-27 | 2019-01-04 | 上海交通大学医学院附属第九人民医院 | The device of aorta and bilateral internal carotid artery encephalic turn of tidal stream |
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2018
- 2018-09-27 CN CN201821578983.7U patent/CN209864969U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109125886A (en) * | 2018-09-27 | 2019-01-04 | 上海交通大学医学院附属第九人民医院 | The device of aorta and bilateral internal carotid artery encephalic turn of tidal stream |
| CN109125886B (en) * | 2018-09-27 | 2024-03-26 | 上海交通大学医学院附属第九人民医院 | Intracranial transfer device for aorta and double-side carotid artery |
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