CN218106149U - Artificial blood vessel system with support without sewing - Google Patents
Artificial blood vessel system with support without sewing Download PDFInfo
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- CN218106149U CN218106149U CN202221145702.5U CN202221145702U CN218106149U CN 218106149 U CN218106149 U CN 218106149U CN 202221145702 U CN202221145702 U CN 202221145702U CN 218106149 U CN218106149 U CN 218106149U
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- blood vessel
- memory material
- artificial blood
- material ring
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Abstract
The utility model provides a suture-free artificial vascular system with a bracket, which comprises a branched artificial blood vessel, a supported artificial blood vessel, and the branched artificial blood vessel and the supported artificial blood vessel are designed into a whole. After inserting patient's aortic arch distal end in taking support artificial blood vessel, directly detain the memory material ring that is lined with anti-skidding felt-sheet on patient's aorta outer wall, take place for the circumstances such as prevention hemorrhage, sew up shirt rim and patient's aorta wall, make exempt from to sew up and take support artificial blood vessel system and patient's vascular laminating closely, anti-skidding felt-sheet is flexible material, can play anti-skidding effect to the memory material ring, can make its both ends lock form the closed loop when bending memory material ring into annular, carve face and block barb through two, be convenient for close, memory material ring after the closure is convenient for consolidate exempt from to sew up and take being connected between support artificial blood vessel system and the patient's artery, the elasticity strip surface after the closed loop is smooth not have the arch simultaneously, effectual friction with patient's tissue has been avoided.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a sewing-free artificial vascular system with a bracket.
Background
The medical apparatus refers to instruments, equipment, appliances, in-vitro diagnostic reagents and calibrators, materials and other similar or related articles which are directly or indirectly used for the human body, and comprises required computer software;
the aortic dissection is a disease occurring in the aorta of a human body, when the aortic dissection affecting the aortic arch part is treated, the diseased aortic arch part of a patient is replaced by an artificial blood vessel in most cases, and when the aortic arch part is replaced by the artificial blood vessel at present, the aortic arch part is required to be sutured at the far end of the aorta;
for this purpose, a suture-free stented artificial vascular system is proposed.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a suture-free stented vascular system to simplify surgery, reduce downtime, and shorten procedure time, at least providing a useful alternative.
The utility model discloses technical scheme is so realized: a suture-free stented artificial vascular system comprising: take branch's artificial blood vessel, area support artificial blood vessel, take branch's artificial blood vessel and take support artificial blood vessel to set up for integrated into one piece, still include:
the memory material ring can be coated on the outer wall of a blood vessel of a patient, the memory material ring is a strip-shaped object with memory characteristics and can be made of metal materials, the memory material ring can be opened under a low-temperature environment (in ice water), then the opened memory material ring is buckled on the outer side of the aortic wall of the patient, and after the memory material ring is in contact with the aortic wall of the patient, the temperature of the aortic wall of the patient in an operation is consistent with the set metamorphosis temperature range of the memory material ring, so the memory material ring can be automatically tightened to be in a specified size. Its both ends can carry out the joint closure after the self-bending circularizes the joint, make memory material ring whole formation is closed loop, and its surface smoothness does not have obvious arch, takes support artificial blood vessel to insert patient aorta vacuum chamber after, can overlap memory material ring cover on patient aorta outer wall, the both ends of memory material ring all are formed with the curved face of carving, and two carve the face and can overlap joint each other and make memory material ring becomes closed loop, the fixed a plurality of block barbs that are provided with in proper order on the face of carving of memory material ring one end, on the face of carving of memory material ring other end in proper order fixed be provided with a plurality of be used for with the barb of the joint is mutually supported to the block barb. A plurality of memory material rings with different sizes can be designed according to the specific conditions of the diameter of the aorta of a patient, the diameter of an artificial blood vessel with a bracket, the thickness of the aorta wall of the patient and the like, and the memory material ring with the proper size is selected for operation according to the actual condition of the patient.
Further comprising: the hemostatic piece for treating hemostasis can be sutured with the vascular wall of a patient when bleeding occurs at the joint of the aorta of the patient and the suturing-free artificial vascular system.
Preferably: the hemostatic piece is specifically a skirt edge, one end of the skirt edge can be sewn at the interface between the artificial blood vessel with the branch and the artificial blood vessel with the bracket, and the skirt edge and the aortic wall of the patient can be sewn in order to prevent bleeding and the like.
Preferably: the inner wall of the memory material ring is attached with an anti-slip felt, so that the memory material ring is attached to the aorta wall of the patient more tightly, and the memory material ring is prevented from slipping off the aorta of the patient.
Preferably, the following components: the general structure of the artificial blood vessel with the bracket is the artificial blood vessel with the bracket used in clinic, and the bracket strength of the part of the artificial blood vessel with the bracket, which is jointed with the memory material ring, is stronger than that of the rest parts, so that the supporting force and the supporting strength of the part are improved.
Preferably: the surface of the branched artificial blood vessel is provided with a plurality of branched artificial blood vessels.
The embodiment of the utility model provides a owing to adopt above technical scheme, it has following advantage:
1. the utility model discloses to take support artificial blood vessel to insert the true chamber of patient's distal end artery bow after, the memory material latch closure that will have the anti-skidding felt is on the vascular wall of patient's distal end aorta, the anti-skidding felt is flexible material, can play anti-skidding effect to the memory material ring, can make its both ends lock when memory material ring automatic bending circularizes, form a closed loop, carve face and block barb through two, be convenient for carry on the closure, memory material ring after the closure is convenient for consolidate being connected between artificial blood vessel system and the patient aorta, memory material ring surface after the closed loop is smooth not have the arch simultaneously, the effectual inflammatory response who causes with the tissue friction of having avoided.
2. The utility model discloses sewing up between accessible shirt rim and the patient artery wall, in case the condition such as the blood leakage condition appears, effectual prevention and processing leak the condition such as blood, when sewing up the shirt rim, pass aorta wall, shirt rim with the stylolite simultaneously and sew up. Suturing can further prevent the occurrence of a blood leakage condition.
3. Because the memory material ring can be automatically fastened, the utility model can simplify the operation, shorten the cycle time and shorten the operation time.
4. The service life of the artificial blood vessel with the bracket is longer than that of the covered bracket, and when the distal end of the descending aorta of a patient has pathological changes, the distal end of the artificial blood vessel with the bracket can be sutured and connected with a new artificial blood vessel for subsequent treatment.
The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and the following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a three-dimensional structure of the present invention;
FIG. 2 is a perspective view of the memory material ring of the present invention;
fig. 3 is an enlarged view of a portion a of fig. 2 according to the present invention.
Reference numerals: 1. a branched artificial blood vessel; 2. artificial blood vessel with stent; 3. an anti-slip mat; 4. an elastic support; 5. a ring of memory material; 6. clamping the barbs; 7. a skirt edge.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-3, the embodiment of the utility model provides a suture-free stented artificial vascular system, including taking branch artificial blood vessel 1 and being connected the stented artificial blood vessel 2 of integration with taking branch artificial blood vessel 1, take branch artificial blood vessel 1 and take stent artificial blood vessel 2 to set up for integrated into one piece, after taking stent artificial blood vessel to insert the true chamber of patient's aorta, with memory material latch closure on patient's aorta wall, consolidate patient's aorta wall and the connection of taking stent artificial blood vessel, consolidate patient's aorta wall and whole suture-free stented artificial vascular system's connection. The stent with the stent artificial blood vessel has enough strength, and when the memory material is buckled on the loop, the stent with the stent artificial blood vessel has enough supporting force to prop up and keep the normal size of the lumen of the artificial blood vessel. Be provided with shirt rim 7 in taking branch artificial blood vessel 1 and taking 2 junctions of support artificial blood vessel, and shirt rim 7 is flexible material, in case still take place the bleeding after being connected in order to prevent patient's blood vessel and taking branch artificial blood vessel 1, can sew up shirt rim 7 and patient's aorta wall, deepen patient's aorta and exempt from to sew up the holistic connection of taking support artificial blood vessel system, make between the two connect more firmly, the laminating is inseparabler, further reduce the probability of leaking blood.
In this embodiment, specifically: memory material ring 5 is for the bar that has the memory characteristic, and it is metal material or plastics material, and 5 both ends all are formed with carves the face, and can overlap joint each other between two carve the face, are provided with a plurality of block barbs 6 on the carve face of 5 one ends of elasticity strip, be equipped with on the carve face of its other end a plurality of with the corresponding barb of block barb 6 can make its both ends lock when forming memory material ring 5 is crooked to the ring, forms a closed loop, and memory material ring 5 after the closed loop surface is smooth not have the arch simultaneously.
In this embodiment, specifically: an anti-slip felt 3 is arranged between the memory material ring 5 and the aorta wall of the patient, when the sewing-free connection work is carried out, the memory material ring with the anti-slip felt is directly buckled on the outer side of the aorta wall of the patient, and the anti-slip felt 3 is made of flexible materials and can play an anti-slip effect on the memory material ring 5.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. Exempt from to sew up area support artificial blood vessel system, its characterized in that includes:
the artificial blood vessel with the branch (1) and the artificial blood vessel with the bracket (2) are integrally formed, and the artificial blood vessel with the branch (1) and the artificial blood vessel with the bracket (2) also comprises the artificial blood vessel with the branch;
the memory material ring (5) is coated on the outer wall of a blood vessel of a patient, the memory material ring (5) is a strip-shaped object with memory characteristics, two ends of the memory material ring (5) are clamped and closed after the memory material ring is automatically bent into a ring shape, so that the memory material ring (5) is integrally formed into a closed ring, the outer surface of the closed ring is smooth and has no obvious bulge, and after the suture-free artificial vascular system with the stent is inserted into a vacuum cavity at the far end of the aorta of the patient, the memory material ring (5) is sleeved on the outer wall of the blood vessel of the patient.
2. The suture-free stented artificial vascular system of claim 1, wherein: the two ends of the memory material ring (5) are both provided with arc-shaped wedge surfaces, and the two wedge surfaces are mutually lapped to ensure that the memory material ring (5) forms a closed loop.
3. The suture-free stented artificial vasculature of claim 2, wherein: memory material ring (5) one end carves the face on fixed a plurality of block barbs (6) that are provided with in proper order, memory material ring (5) other end carve the face on fixed a plurality of be used for with the barb of block barb (6) the joint that mutually supports.
4. The suture-free stented artificial vascular system of claim 1, wherein: the artificial blood vessel with the stent also comprises a hemostatic piece, wherein the hemostatic piece is specifically a skirt edge (7), and one end of the skirt edge (7) is sewn at the interface between the branched artificial blood vessel (1) and the stent artificial blood vessel (2).
5. The suture-free stented artificial vascular system of claim 4, wherein: an anti-skid felt (3) is attached to the inner wall of the memory material ring (5).
6. The suture-free stented artificial vasculature of claim 1, wherein: the strength of the support at the joint part of the memory material ring of the artificial blood vessel (2) with the support is higher than that of the rest part.
7. The suture-free stented artificial vasculature of claim 1, wherein: the surface of the artificial blood vessel (1) is provided with a plurality of artificial branch blood vessels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221145702.5U CN218106149U (en) | 2022-05-13 | 2022-05-13 | Artificial blood vessel system with support without sewing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221145702.5U CN218106149U (en) | 2022-05-13 | 2022-05-13 | Artificial blood vessel system with support without sewing |
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| Publication Number | Publication Date |
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| CN218106149U true CN218106149U (en) | 2022-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221145702.5U Active CN218106149U (en) | 2022-05-13 | 2022-05-13 | Artificial blood vessel system with support without sewing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116570400A (en) * | 2023-07-14 | 2023-08-11 | 山东百多安医疗器械股份有限公司 | Restenosis-resistant degradable stent system for auxiliary suturing of small blood vessels |
-
2022
- 2022-05-13 CN CN202221145702.5U patent/CN218106149U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116570400A (en) * | 2023-07-14 | 2023-08-11 | 山东百多安医疗器械股份有限公司 | Restenosis-resistant degradable stent system for auxiliary suturing of small blood vessels |
| CN116570400B (en) * | 2023-07-14 | 2023-09-26 | 山东百多安医疗器械股份有限公司 | Restenosis-resistant degradable stent system for auxiliary suturing of small blood vessels |
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Effective date of registration: 20230628 Address after: 100037 Beijing City, Xicheng District No. 167 North Patentee after: FUWAI HOSPITAL, CHINESE ACADEMY OF MEDICAL SCIENCES Address before: 100000 Beijing Xicheng District Fuwai Hospital Patentee before: Xie Enzehua Patentee before: Gao Wei Patentee before: Yu Cuntao |