CN219720960U - Support in embedded branch art in area - Google Patents
Support in embedded branch art in area Download PDFInfo
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- CN219720960U CN219720960U CN202223079577.5U CN202223079577U CN219720960U CN 219720960 U CN219720960 U CN 219720960U CN 202223079577 U CN202223079577 U CN 202223079577U CN 219720960 U CN219720960 U CN 219720960U
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- stent
- branch
- blood vessel
- artificial blood
- support
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- 210000004204 blood vessel Anatomy 0.000 claims abstract description 63
- 239000002473 artificial blood Substances 0.000 claims abstract description 46
- 230000002792 vascular Effects 0.000 claims abstract description 32
- 230000000903 blocking effect Effects 0.000 claims abstract description 31
- 230000017531 blood circulation Effects 0.000 claims abstract description 10
- 229920004934 Dacron® Polymers 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 230000010412 perfusion Effects 0.000 claims description 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 3
- 210000002376 aorta thoracic Anatomy 0.000 abstract description 12
- 238000004873 anchoring Methods 0.000 abstract description 4
- 210000002385 vertebral artery Anatomy 0.000 abstract description 4
- 210000001168 carotid artery common Anatomy 0.000 description 11
- 239000012528 membrane Substances 0.000 description 8
- 210000002168 brachiocephalic trunk Anatomy 0.000 description 7
- 210000003270 subclavian artery Anatomy 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 239000002504 physiological saline solution Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 208000002251 Dissecting Aneurysm Diseases 0.000 description 4
- 206010002895 aortic dissection Diseases 0.000 description 4
- 210000000709 aorta Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003872 anastomosis Effects 0.000 description 2
- 208000007474 aortic aneurysm Diseases 0.000 description 2
- 230000004087 circulation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 208000010496 Heart Arrest Diseases 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013130 cardiovascular surgery Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
Abstract
The utility model discloses a stent in an embedded branch operation, which comprises a structural main body, wherein the structural main body comprises a main body vascular stent, an artificial blood vessel and a blocking device for blocking blood flow, the main body vascular stent is provided with at least two branch stents, the branch stents are arranged in the main body vascular stent, one end of each branch stent is provided with a bare stent, the bare stent can not only increase the anchoring length, but also play a role of avoiding covering vertebral arteries, can adapt to the differences of the distances between three branch blood vessels on aortic arches of different human bodies, improves the application range of the stent to different patients, and has stronger practicability.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to an intra-aortic dissection or aneurysm in-band embedded branch stent for treating aortic dissection or aneurysm involving an arch part which needs to be treated by an open operation.
Background
The standby A-type aortic dissection is one of the most complex and most risky diseases in cardiovascular surgery, the main flow mode for treating the standby A-type aortic dissection at present well solves the treatment difficulty of aortic arch parts, but the problems of more anastomoses, longer cardiac arrest time, larger damage to patients and the like in the operation process are also existed, in order to solve the problems, an operation bracket with three branch brackets is also provided, the operation bracket generally comprises a section of artificial blood vessel, a self-expandable vascular bracket connected with the artificial blood vessel in a sewing way and three branch brackets connected with the self-expandable vascular bracket by adopting a soft film, and the anastomosis time of the operation branch bracket and three branch blood vessels (a head arm trunk, a left common carotid artery and a left subclavian artery) on the aortic arch can be greatly shortened by using the operation bracket; because the intervals among three branch blood vessels on aortic arches of different human bodies are different, the positions among three branch stents in the type of intraoperative stent are relatively fixed, so that the three branch stents are difficult to adapt to different human bodies, the problem that the three branch stents cannot be completely released in the human bodies can occur in the use process, the application range is smaller, and in order to enable the three branch stents to be anastomosed with the three branch blood vessels on the aortic arches, the specifications of the intraoperative stent are various finally, and most of the branch stents are epitaxial, so that the use effect is poor.
Accordingly, one skilled in the art would provide an intraoperative stent with improved scope of application to address the problems set forth in the background.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a stent for an intra-operative branch with an embedded part.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a support in embedded branch art in area, includes the structure main part, the structure main part includes main part vascular support and artificial blood vessel, main part vascular support is equipped with two at least branch support, the branch support embeds among the main part vascular support, the one end of branch support is equipped with bare stent.
Preferably, two ends of the main body vessel stent are a first proximal end and a first distal end respectively, two ends of the artificial vessel are a second proximal end and a second distal end respectively, the second distal end is butted with the first proximal end, and the branch stent is arranged on one side close to the first proximal end;
the two branch brackets are a first branch bracket and a second branch bracket respectively;
the artificial blood vessel is made of dacron cloth, the artificial blood vessel is provided with a branch artificial blood vessel which can play a role in perfusion, the branch artificial blood vessel comprises a first branch artificial blood vessel and a second branch artificial blood vessel, and the first branch artificial blood vessel and the second branch artificial blood vessel form an included angle of 120 degrees.
Preferably, a flange is provided on one side of the second distal end.
Preferably, a clamping end is arranged on one side of the second distal end.
Preferably, the first branch stent and the second branch stent are respectively arranged at two sides of the central line of the main body vascular stent.
Preferably, the first branch stent and the second branch stent are arranged on the main body vessel stent side by side.
Preferably, the first branch stent and the second branch stent are respectively arranged on the central line of the main body vascular stent.
Preferably, the structure main body further comprises a blocking device for blocking blood flow, the blocking device comprises an elastic film, a connecting pipe and a joint, the elastic film is of a cavity structure, and two ends of the connecting pipe are respectively connected with the elastic film and the joint;
the main body vascular stent is a covered stent or a suture stent, the branch stent consists of one or more of a stent, a wave ring or an artificial blood vessel, and a plurality of uniformly distributed marking points are arranged on the branch stent.
Preferably, the blocking device is arranged in the branch bracket, and the elastic film is fixedly arranged on the inner wall of the branch bracket.
Preferably, the blocking device is arranged in the main body vascular stent, and the elastic film is fixedly arranged on the inner wall of the main body vascular stent.
Compared with the prior art, the utility model has the beneficial effects that:
when the device is used, the main vascular stent and the branch stents are matched for use, the main vascular stent is firstly implanted into a human body blood vessel, an aortic arch part between a flange edge and a innominate artery and a left common carotid artery is sutured, a branch artificial blood vessel is sutured with the innominate artery, the two branch stents are aligned to the left common carotid artery and the left subclavian artery of the human body, then the two branch stents are implanted into the two branch blood vessels, a joint access injector is used for injecting normal saline, the normal saline is injected into an elastic film through a connecting pipe, the elastic film swells until the inside of the branch stents is filled, the branch stents are completely blocked, therefore, after the blocking device is started, the blood flow of the left common carotid artery and the left subclavian artery can be blocked, finally, the artificial blood vessel and the aorta are sutured, as shown in fig. 8, the normal saline in the blocking device is discharged when the suturing is basically completed, the blood flow of the branch blood vessel is restored, then the connecting pipe is cut off, and the rest suturing work is completed, and the circulation time can be restored in the starting process of the blocking device as far as possible;
the bare stent not only can play the role of increasing the anchoring length, but also can play the role of avoiding covering vertebral arteries, can adapt to the difference of the intervals of three branch blood vessels on aortic arches of different human bodies, improves the application range of the stent to different patients, can effectively solve the problems that the existing stent has various specifications and is difficult to adapt to the difference of the intervals between the three branch blood vessels on aortic arches of different human bodies, and the branch stent is arranged in the main vascular stent, so that the practicality is stronger compared with the traditional epitaxial stent.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a blocking device according to the present utility model;
FIG. 3 is a schematic view of another construction of the blocking device of the present utility model;
FIG. 4 is a schematic view of the structure of the branch stent of the present utility model;
FIG. 5 is a schematic view of another embodiment of a branch stent of the present utility model;
FIG. 6 is a schematic view of the structure of a main body vessel stent of the present utility model;
FIG. 7 is a schematic view of the structure of an artificial blood vessel according to the present utility model;
FIG. 8 is a schematic view of another embodiment of a body vessel stent of the present utility model;
FIG. 9 is a schematic view of the structure of the clamping end of the present utility model;
FIG. 10 is a schematic view of the structure of the mark points of the present utility model;
FIG. 11 is a schematic diagram of a branched prosthesis according to the present utility model;
FIG. 12 is a schematic view of the structure of the joint of the present utility model;
FIG. 13 is a schematic structural view of an elastic film of the present utility model;
FIG. 14 is a schematic view of another construction of an elastic film according to the present utility model.
Reference numerals in the drawings:
main body vessel stent 11, artificial blood vessel 31, blocking device 1000, branch stent 12, bare stent 211, first proximal end 101, first distal end 100, second proximal end 103, second distal end 102, first branch stent 121, second branch stent 122, branch artificial blood vessel 3, first branch artificial blood vessel 32, second branch artificial blood vessel 33, flange 34, clamped end 300, elastic membrane 1122, connection tube 1123, joint 1124, and mark point 13.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
1-2, an intra-band branch stent comprises a main vascular stent 11, an artificial blood vessel 31 and a blocking device 1000 for blocking blood flow, wherein the main vascular stent 11 is provided with at least two branch stents 21, the branch stents 21 are arranged in the main vascular stent 11, one end of each branch stent 21 is provided with a bare stent 211, and the bare stent 211 can not only increase the anchoring length, but also cover the vertebral artery;
the two ends of the main body vessel support 11 are respectively a first proximal end 101 and a first distal end 100, the two ends of the artificial blood vessel 31 are respectively a second proximal end 103 and a second distal end 102, the second distal end 102 is butted with the first proximal end 103, and the branch support 21 is arranged on one side close to the first proximal end 101;
the main body vessel stent 11 is a covered stent or a suture stent, and is not limited to the above structures, the branch stent 21 is composed of one or more of a stent, a balloon or an artificial blood vessel, and is not limited to the above structures, and the two branch stents 21 are a first branch stent 121 and a second branch stent 122 respectively;
the artificial blood vessel 31 is made of dacron cloth, the artificial blood vessel 31 is provided with a branch artificial blood vessel capable of playing a role in perfusion, the branch artificial blood vessel comprises a first branch artificial blood vessel 32 and a second branch artificial blood vessel 33, and the first branch artificial blood vessel 32 and the second branch artificial blood vessel 33 form an included angle of 120 degrees;
the blocking device 1000 is disposed inside the main vessel stent 11 or the branch stent 21, the blocking device 1000 includes an elastic film 1122, a connecting tube 1123, and a joint 1124, the elastic film 1122 has a hollow structure, and two ends of the connecting tube 1123 are respectively connected with the elastic film 1122 and the joint 1124;
one side of the second distal end 102 is provided with a flange 34, when in use, the main body vascular stent 11 and the branch stent 21 are matched for use, the main body vascular stent 11 is firstly implanted into a human body blood vessel, wherein the aortic arch part between the flange 34 and the innominate artery and the left common carotid artery is sutured, the branch artificial blood vessel is sutured with the innominate artery, the two branch stents 21 are aligned to the left common carotid artery and the left subclavian artery of the human body, and then the two branch stents 21 are implanted into the two branch blood vessels;
the blocking device 1000 is disposed in the branch stent 21, the elastic membrane 1122 is fixedly disposed on the inner wall of the branch stent 21, the connector 1124 is connected to a syringe to inject normal saline, as shown in fig. 2, the normal saline is injected into the elastic membrane 1122 through the connecting tube 1123, the elastic membrane 1122 swells until the inside of the branch stent 21 is filled, as shown in fig. 3, the branch stent 21 is completely blocked, therefore, after the blocking device 1000 is started, the blood flow of the left common carotid artery and the left subclavian artery can be blocked, finally, the artificial blood vessel and the aorta are sutured, as shown in fig. 8, when suturing is basically completed, the normal saline in the blocking device 1000 is discharged, the blood flow of the branch blood vessel is restored, then the connecting tube 1123 is cut off, and the rest suturing work is completed.
As shown in fig. 7, the first branch stent 121 and the second branch stent 122 are respectively disposed on the central line of the main body stent 11;
example two
As shown in fig. 4-5, the first branch stent 121 and the second branch stent 122 are respectively disposed at two sides of the center line of the main body vessel stent 11;
example III
As shown in fig. 6, the first branch stent 121 and the second branch stent 122 are arranged on the main body stent 11 side by side;
the difference between the second embodiment and the third embodiment is that the positions of the first branch stent 121 and the second branch stent 122 on the main body stent 11 are different, and the positions of the first branch stent 121 and the second branch stent 122 on the main body stent 11 are not limited to the above-mentioned modes;
example IV
As shown in fig. 9, a clamping end 300 is disposed at one side of the second distal end 102, and the difference between the present embodiment and the first embodiment is that the connection mode between the flange 34 and the blood vessel is different, and the connection mode is not limited to the above two connection modes, but the aortic arch portion between the flange 34 and the innominate artery and the left common carotid artery is clamped and closed by the clamping end 300;
example five
The branch stent 21 is provided with a plurality of uniformly distributed marking points 13, as shown in fig. 10, and the difference between the embodiment and the first embodiment is that the branch stent 21 is provided with the marking points 13, as shown in fig. 11, and medical staff can adjust the implantation depth of the branch stent 21 into a branch vessel by observing the marking points 13 in the operation process;
example six
As shown in fig. 12, the blocking device 1000 is disposed inside the main body stent 11, the elastic membrane 1122 is fixedly disposed on the inner wall of the main body stent 11, the connector 1124 is connected to a syringe to inject physiological saline, as shown in fig. 13, the physiological saline is injected into the elastic membrane 1122 through the connecting tube 1123, the elastic membrane 1122 swells until the inside of the main body stent 11 is filled, as shown in fig. 14, the internal passage of the main body stent 11 is blocked, thereby realizing the activation of the blocking device 1000, and after the physiological saline is discharged, the elastic membrane 1122 is restored to the original state, the internal passage of the main body stent 11 is opened, and at this time the blocking device 1000 is closed.
Working principle: when the device is used, the main vascular stent and the branch stents are matched for use, the main vascular stent is firstly implanted into a human body blood vessel, the aortic arch part between the flange edge and the innominate artery and the left common carotid artery is sutured, the branch artificial blood vessel is sutured with the innominate artery, the two branch stents are aligned to the left common carotid artery and the left subclavian artery of the human body, the two branch stents are implanted into the two branch blood vessels, the joint access injector is used for injecting physiological saline, as shown in fig. 2, the physiological saline is injected into the elastic film through the connecting pipe, the elastic film is swelled until the inside of the branch stents is filled, as shown in fig. 3, the branch stents are completely blocked, therefore, after the blocking device is started, the blood flow of the left common carotid artery and the left subclavian artery can be blocked, finally, the artificial blood vessel and the aorta are sutured, as shown in fig. 8, the physiological saline in the blocking device is discharged when the suturing is basically completed, the branch blood flow is recovered, then the connecting pipe is cut off, the residual suturing work is completed, and the circulation time can be recovered in the starting process of the blocking device as far as possible.
In conclusion, the bare stent not only can increase the anchoring length, but also can avoid covering the vertebral artery, can adapt to the differences of the distances between three branch blood vessels on aortic arches of different human bodies, improves the application range of the stent to different patients, and the branch stent is arranged in the main body blood vessel stent, so that the practicability is stronger.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a support in embedded branch art in area, its characterized in that includes the structure main part, the structure main part includes main part vascular support and artificial blood vessel, main part vascular support is equipped with two at least branch support, branch support embeds among the main part vascular support, the one end of branch support is equipped with naked support, the both ends of main part vascular support are first near-heart end and first distal end respectively, the both ends of artificial blood vessel are second near-heart end and second distal end respectively, the second distal end is butted with first near-heart end, branch support locates the one side near first near-heart end;
the two branch brackets are a first branch bracket and a second branch bracket respectively;
the artificial blood vessel is made of dacron cloth, the artificial blood vessel is provided with a branch artificial blood vessel which can play a role in perfusion, the branch artificial blood vessel comprises a first branch artificial blood vessel and a second branch artificial blood vessel, and the first branch artificial blood vessel and the second branch artificial blood vessel form an included angle of 120 degrees.
2. The intraoperative stent with embedded branching of claim 1, wherein one side of the second distal end is provided with a flange.
3. The intraoperative stent with embedded branching of claim 1, wherein one side of the second distal end is provided with a clamping end.
4. The intraoperative stent with embedded branches of claim 1, wherein the first branch stent and the second branch stent are respectively arranged at two sides of the central line of the main body vascular stent.
5. The intraoperative stent with embedded branches of claim 1, wherein the first branch stent and the second branch stent are arranged side by side on a main body vessel stent.
6. The intraoperative stent with embedded branches of claim 1, wherein the first branch stent and the second branch stent are respectively arranged on the central line of the main vascular stent.
7. The intraoperative stent with embedded branching as in claim 1, wherein the structural body further comprises a blocking device for blocking blood flow, the blocking device comprises an elastic film, a connecting pipe and a joint, the elastic film is of a cavity structure, and two ends of the connecting pipe are respectively connected with the elastic film and the joint;
the main body vascular stent is a covered stent or a suture stent, the branch stent consists of one or more of a stent, a wave ring or an artificial blood vessel, and a plurality of uniformly distributed marking points are arranged on the branch stent.
8. The intraoperative stent with embedded branches according to claim 7, wherein the blocking device is arranged inside the branch stent, and the elastic film is fixedly arranged on the inner wall of the branch stent.
9. The intraoperative stent with embedded branching of claim 7, wherein the blocking device is arranged inside the main vascular stent, and the elastic film is fixedly arranged on the inner wall of the main vascular stent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223079577.5U CN219720960U (en) | 2022-11-21 | 2022-11-21 | Support in embedded branch art in area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223079577.5U CN219720960U (en) | 2022-11-21 | 2022-11-21 | Support in embedded branch art in area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219720960U true CN219720960U (en) | 2023-09-22 |
Family
ID=88061071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223079577.5U Active CN219720960U (en) | 2022-11-21 | 2022-11-21 | Support in embedded branch art in area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219720960U (en) |
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2022
- 2022-11-21 CN CN202223079577.5U patent/CN219720960U/en active Active
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