CN111759533A - Artificial blood vessel with oversleeve and using method thereof - Google Patents
Artificial blood vessel with oversleeve and using method thereof Download PDFInfo
- Publication number
- CN111759533A CN111759533A CN201910279218.8A CN201910279218A CN111759533A CN 111759533 A CN111759533 A CN 111759533A CN 201910279218 A CN201910279218 A CN 201910279218A CN 111759533 A CN111759533 A CN 111759533A
- Authority
- CN
- China
- Prior art keywords
- blood vessel
- artificial blood
- section
- sleeve
- oversleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000004204 blood vessel Anatomy 0.000 title claims abstract description 183
- 239000002473 artificial blood Substances 0.000 title claims abstract description 169
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000000694 effects Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000002792 vascular Effects 0.000 claims description 5
- 239000008280 blood Substances 0.000 abstract description 7
- 210000004369 blood Anatomy 0.000 abstract description 7
- 230000003872 anastomosis Effects 0.000 abstract description 4
- 230000008602 contraction Effects 0.000 description 8
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 230000001575 pathological effect Effects 0.000 description 3
- 229920004934 Dacron® Polymers 0.000 description 2
- -1 Polytetrafluoroethylene Polymers 0.000 description 2
- 210000002376 aorta thoracic Anatomy 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 208000002251 Dissecting Aneurysm Diseases 0.000 description 1
- 206010054805 Macroangiopathy Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 210000000709 aorta Anatomy 0.000 description 1
- 206010002895 aortic dissection Diseases 0.000 description 1
- 206010002906 aortic stenosis Diseases 0.000 description 1
- 206010003230 arteritis Diseases 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/064—Blood vessels with special features to facilitate anastomotic coupling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
Abstract
The invention discloses an artificial blood vessel with a sleeve and a using method thereof, belonging to the field of medical instruments. In order to solve the problems of difficult anastomosis operation of large blood vessels and possible blood leakage, the invention arranges a sleeve and the like on the artificial blood vessel, simplifies the operation and reduces the risk of blood leakage.
Description
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to an artificial blood vessel with a sleeve and a using method thereof.
Background
At present, macrovascular diseases mainly include aortic artery, aortic dissection, aortic arteritis, and aortic stenosis. When the large vessel anastomosis is carried out, particularly when ascending aorta + total aortic arch replacement + descending aorta stent implantation operation is carried out, the operation is difficult, and particularly the hemostasis is difficult when the operation is carried out. In order to solve the problems, the artificial blood vessel with the oversleeve is designed, and the methods of suture anastomosis, anastomosis of an outer oversleeve or a fixing clamp and an inner support frame or a support ring and the like are adopted, so that the operation is simplified, and the occurrence of postoperative blood leakage is reduced.
Disclosure of Invention
In order to reduce the risk of blood leakage at the suture position and facilitate the suture operation, the invention adopts the following technical scheme:
the artificial blood vessel with sleeve includes one first section of artificial blood vessel, one second section of artificial blood vessel and one inner sleeve, and the inner sleeve is connected to the artificial blood vessel.
An artificial blood vessel with a sleeve comprises a first section of artificial blood vessel, a second section of artificial blood vessel, an inner sleeve and an outer sleeve, wherein the first section of artificial blood vessel is connected with the second section of artificial blood vessel, the inner sleeve is connected with the artificial blood vessel, the opening of the inner sleeve is positioned in the first section of artificial blood vessel, the first section of artificial blood vessel is partially provided with a support, the area of the support of the first section of artificial blood vessel is positioned in the area of the inner sleeve, the second section of artificial blood vessel is an artificial blood vessel with a support, and the outer sleeve is a closed loop.
An artificial blood vessel with a sleeve comprises a first section of artificial blood vessel, a second section of artificial blood vessel, an inner sleeve and an outer sleeve, wherein the first section of artificial blood vessel is connected with the second section of artificial blood vessel, the inner sleeve is connected with the artificial blood vessel, the opening of the inner sleeve is positioned in the first section of artificial blood vessel, the first section of artificial blood vessel is partially provided with a bracket, the area of the bracket of the first section of artificial blood vessel is positioned in the area of the inner sleeve, the second section of artificial blood vessel is an artificial blood vessel with a bracket, the outer sleeve is an open loop and is provided with Velcro (VELCRO), and the Velcro is used for fixing and tensioning the outer sleeve.
An artificial blood vessel with a sleeve comprises a first section of artificial blood vessel, a second section of artificial blood vessel, an inner sleeve and an outer sleeve, wherein the first section of artificial blood vessel is connected with the second section of artificial blood vessel, the inner sleeve is connected with the artificial blood vessel, the opening of the inner sleeve is positioned in the first section of artificial blood vessel, the first section of artificial blood vessel is partially provided with a stent, the region of the stent of the first section of blood vessel can also exceed the region of the inner sleeve, and the second section of artificial blood vessel is the artificial blood vessel with the stent.
Specifically, the outer oversleeve is in a closed-loop and straight-tube shape.
Specifically, the outer oversleeve is a closed-loop, inwards-concave cylindrical shape.
Specifically, the outer oversleeve is closed-loop and convex-round barrel-shaped.
Specifically, the outer side of the closed-loop outer oversleeve is provided with a clasp and at least more than one retaining ring, and the effect of tightening the anastomotic stoma is achieved through buckling of the clasp and the retaining ring.
Specifically, the outer side of the open-loop outer oversleeve is provided with a clasp and at least more than one retaining ring, and the effect of tightening the anastomotic stoma is achieved through buckling of the clasp and the retaining ring.
An artificial blood vessel component with a sleeve comprises a first section of artificial blood vessel, a second section of artificial blood vessel, an inner sleeve and a fixing clamp with a cushion, wherein the first section of artificial blood vessel is connected with the second section of artificial blood vessel, the inner sleeve is connected with the artificial blood vessel, the opening of the inner sleeve is positioned in the first section of artificial blood vessel, the first section of artificial blood vessel is partially provided with a support, the area of the support of the first section of artificial blood vessel is positioned in the area of the inner sleeve, the second section of artificial blood vessel is an artificial blood vessel with a support, and when the fixing clamp with the cushion is used for fixing the inner sleeve, the area of the support of the first section of artificial blood vessel is positioned in the area of the fixing clamp with the cushion.
An artificial blood vessel with a sleeve comprises a first section of artificial blood vessel, a second section of artificial blood vessel and an inner sleeve, wherein the inner sleeve is connected with the artificial blood vessel, and the opening of the sleeve is positioned at the first section of artificial blood vessel.
Specifically, the first segment of artificial blood vessel and the second segment of artificial blood vessel are made of different materials, such as nylon, Dacron (Dacron), Polytetrafluoroethylene (PTFE), polyurethane, polyethylene terephthalate (PET), and the like.
Specifically, the sleeve is in a horn shape or a straight cylinder shape.
An artificial blood vessel assembly with a cuff includes a support ring.
In particular, the support ring is closed or open loop.
In particular, the support ring is cylindrical or concave cylindrical.
An artificial blood vessel component with a sleeve comprises a fixing clamp.
Specifically, the fixed clamp consists of an inner soft cushion part and an outer hard part.
The use method of artificial blood vessel with sleeve includes the step of matching the inner sleeve with blood vessel of human body with suture.
The use method of the artificial blood vessel with the sleeve is that the outer sleeve or the fixing clamp with the soft cushion wraps the inner sleeve and the bracket in the inner sleeve.
A method of using an artificial blood vessel having a cuff, said outer cuff or said upholstered retention clip surrounding said support ring. Compared with the prior art, the invention has the following beneficial effects:
when in suture operation, the human blood vessel is not required to be everted for suture, thereby simplifying the operation.
Drawings
FIG. 1 is a schematic view of an artificial blood vessel with a cuff for installing a stent in a second segment of the artificial blood vessel;
FIG. 2 is a schematic view of an artificial blood vessel provided with an outer cuff;
FIG. 2a is a schematic view of the relative positions of the stent and the inner cuff of the first segment of the artificial blood vessel;
FIG. 3 is a schematic view of an artificial blood vessel with a cuff without a stent;
figure 4 is a schematic view of an outer cuff provided with an open loop of velcro;
figure 4a is a schematic view of an outer cuff provided with an open loop of velcro, a clasp and a clasp;
FIG. 4b is a schematic view of a closed loop outer cuff provided with a clasp and buckle;
FIG. 5 is a schematic view of a retaining clip;
FIG. 6 is a schematic view of a cylindrical I-shaped support ring (closed loop);
FIG. 6a is a schematic view of a concave type II support ring (closed loop);
FIG. 6b is a schematic view of a convex type III support ring (closed loop);
FIG. 6c is a schematic view of a cylindrical IV-shaped support ring (open ring);
figure 6d is a schematic view of a concave V-shaped support ring (open ring).
Figure 6e is a schematic view of a convex VI-shaped support ring (open ring).
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the drawings are simplified and schematic representations only for the purpose of illustration, and therefore are shown only for the purpose of illustrating the invention, rather than in the actual drawings, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
1- - -a first section of artificial blood vessel; 11- -the stent carried by the first section of artificial blood vessel;
2- - -a second section of artificial blood vessel; 21- -the stent carried by the second section of artificial blood vessel;
31-inner oversleeve; 311- -a first edge; 312- -a second edge;
32-outer oversleeve; 321- -Velcro; 322-a clasp; 323-retaining ring;
4-a retaining clip; 41- -cushion of fixation clamp; 42- -hard portion of the outside of the retaining clip;
5- -human blood vessels;
61- -I-shaped support ring; 62- -type II support ring; 63-type III support ring; 64- -type IV support ring; 65- -V-shaped support ring; 66- -type VI support ring.
The inner sleeve 31 (shown in figure 1) includes a first edge 311 and a second edge 312.
The outer cuff has 3 different configurations as shown in figures 4-4 b. The outer cuff of figure 4 is provided with an open loop configuration of velcro, the outer cuff of figure 4a is provided with an open loop configuration of velcro and clasps, buckles and the outer cuff of figure 4b is provided with a closed loop configuration of clasps and buckles. It will be appreciated by those skilled in the art that the outer sleeve has the effect of gripping the stoma and is not limited to the 3 configurations described above.
The support ring has 6 different configurations as shown in figures 6-6 e. The I-shaped support ring 61 of FIG. 6 is a cylindrical closed-loop configuration; the type II support ring 62 of FIG. 6a is a concave closed loop configuration; the type III support ring 63 of FIG. 6b is of a convex closed-loop configuration; the IV support ring 64 of FIG. 6c is a cylindrical open ring configuration; the V-shaped support ring 65 of FIG. 6d is of a concave open ring configuration; the type VI support ring 66 of figure 6e is of outwardly convex open ring configuration. It should be understood by those skilled in the art that the outer sleeve has a supporting function and is not limited to the above 6 configurations.
The upholstered retaining clip 4, as shown in fig. 5, comprises a rigid portion 41 outside the retaining clip and an upholstered portion 42 inside the retaining clip.
In one embodiment, the artificial blood vessel with cuff shown in fig. 1 comprises a first artificial blood vessel section 1, a second artificial blood vessel section 2 and an inner cuff 31, wherein a first edge 311 of the inner cuff 31 is connected with the artificial blood vessel, the opening of the inner cuff 31 is positioned in the first artificial blood vessel section 1, and the second artificial blood vessel section 2 is the artificial blood vessel with stent 21. The inner oversleeve is cylindrical or trumpet-shaped. Before use, the second segment of the artificial blood vessel 2 and the inner sleeve 31 are delivered into the human blood vessel 5 by using the contraction delivery device, then the contraction delivery device is withdrawn, and the second edge 312 is connected with the human blood vessel 5 by using a suture method.
In one embodiment, the artificial blood vessel with cuff shown in fig. 1 comprises a first artificial blood vessel section 1, a second artificial blood vessel section 2 and an inner cuff 31, wherein the first edge 311 of the inner cuff 31 is connected with the artificial blood vessel, the opening of the inner cuff is positioned in the first artificial blood vessel section, and the second artificial blood vessel section is an artificial blood vessel with a stent 21. The inner oversleeve is cylindrical or trumpet-shaped.
Before use, the second section of artificial blood vessel 2 and the inner oversleeve 31 are sent into the human body blood vessel 5 by using the contraction conveying device, then the contraction conveying device is withdrawn, the support ring is placed into the inner oversleeve 31, and then the outer oversleeve or the fixing clip is fixed. The outer sleeve or the fixing clip surrounds the support ring, namely the upper edge and the lower edge of the support ring do not exceed the outer sleeve or the fixing clip. The support ring shown in any one of the figures 6-6e can be selected according to the pathological condition and the operation habit of an operator; and an outer sleeve or the fixing clip shown in any one of figures 4-4b is selected. When the closed-loop outer sleeve shown in fig. 4b is selected, the closed-loop outer sleeve can be firstly placed into a preset placing part. When using the open-loop outer sleeve of either of figures 4 or 4a, the stoma is suitably tightened by the Velcro 321 on the outer sleeve. When the outer sleeve is selected, if the anastomotic orifice bleeds during the operation, the blood can be further stopped by tightening the clasp 322 and the retaining ring 323 to close the anastomotic orifice. After the operation is completed, the support ring should be completely surrounded by the cushion 42 of the outer sleeve or the fixing clip, i.e. neither the upper edge nor the lower edge of the support ring exceeds the outer sleeve or the fixing clip, and the support ring has the effect of internal and external clamping to the anastomotic orifice.
In one embodiment, the cuffed prosthesis shown in fig. 2 comprises a first artificial blood vessel segment 1, a second artificial blood vessel segment 2, an inner cuff 31 and an outer cuff 32, wherein the first artificial blood vessel segment is connected with the second artificial blood vessel segment, and a first edge 311 of the inner cuff is connected with the artificial blood vessel. The inner sleeve opening is positioned in the first section of the artificial blood vessel. The first section of the artificial blood vessel 1 is provided with a stent 11. The area of the stent of the first segment of the blood vessel is located in the inner cuff area, as shown in fig. 2a, that is, the upper end and the lower end of the stent 11 do not exceed the first edge 311 and the second edge 312 respectively. The second section of the artificial blood vessel is the artificial blood vessel with the stent 21.
Before use, the second section of the artificial blood vessel 2 and the inner sleeve 31 are sent into the human blood vessel 5 by using the contraction conveying device, and then the contraction conveying device is withdrawn. The external oversleeve shown in any one of the figures 4-4b or the fixing clip can be selected according to the pathological condition and the operation habit of the operator. When the outer sleeve is selected, if the anastomotic orifice bleeds during the operation, the blood can be further stopped by tightening the clasp 322 and the retaining ring 323 to close the anastomotic orifice. After the operation is completed, the stent part 11 of the first section of artificial blood vessel should be completely wrapped in the outer sleeve or the soft pad 42 of the fixing clip, i.e. the upper end and the lower end of the stent part 11 of the first section of artificial blood vessel do not exceed the outer sleeve or the fixing clip, and form an inner and outer clamping effect on the anastomotic stoma.
In one embodiment, the artificial blood vessel with cuff shown in fig. 3 comprises a first section of artificial blood vessel 1, a second section of artificial blood vessel 2 and an inner cuff 31, wherein the first edge 311 of the inner cuff is connected with the artificial blood vessel, and the opening of the inner cuff is positioned in the first section of artificial blood vessel. The inner oversleeve is cylindrical or trumpet-shaped. This embodiment differs from the embodiment shown in fig. 1; the second segment of the artificial blood vessel 2 is not provided with a stent 21. Before use, the second segment of the vascular prosthesis and the inner cuff portion are introduced into the body vessel 5 using the constriction delivery device, and then the constriction delivery device is withdrawn and the second rim 312 is attached to the body vessel 5 by suturing.
In one embodiment, the artificial blood vessel with cuff shown in fig. 3 comprises a first section of artificial blood vessel 1, a second section of artificial blood vessel 2 and an inner cuff 31, wherein the first edge 311 of the inner cuff is connected with the artificial blood vessel, and the opening of the inner cuff is positioned in the first section of artificial blood vessel. The inner oversleeve is cylindrical or trumpet-shaped.
Before use, the second section of artificial blood vessel 2 and the inner oversleeve 31 are sent into the human body blood vessel 5 by using the contraction conveying device, then the contraction conveying device is withdrawn, the support ring is placed into the inner oversleeve 31, and then the outer oversleeve or the fixing clip is fixed. The outer sleeve or the fixing clip surrounds the support ring, namely the upper edge and the lower edge of the support ring do not exceed the outer sleeve or the fixing clip. The support ring in any one of the figures 6-6e can be selected according to the pathological condition and the operation habit of the operator; and an outer sleeve or the fixing clip shown in any one of figures 4-4b is selected. When the closed-loop outer sleeve shown in fig. 4b is selected, the closed-loop outer sleeve can be firstly placed into a preset placing part. When using the open-loop outer sleeve of either of figures 4 or 4a, the stoma is suitably tightened by the velcro on the outer sleeve. When the outer sleeve is selected, if the anastomotic orifice bleeds during the operation, the blood can be further stopped by tightening the clasp 322 and the retaining ring 323 to close the anastomotic orifice. After the operation is completed, the support ring should be completely wrapped in the cushion 42 of the outer sleeve or the fixing clip, i.e. neither the upper edge nor the lower edge of the support ring exceeds the outer sleeve or the fixing clip, and the support ring has the effect of internal and external clamping on the anastomotic stoma.
In one embodiment, the first segment of the vascular prosthesis and the second segment of the vascular prosthesis are made of different materials. In some embodiments, the first and second portions of the vascular prosthesis may be of the same material. The material of the inner sleeve can be one of the two materials of the first section of the artificial blood vessel and the second section of the artificial blood vessel.
It will be appreciated by those skilled in the art that the retracted delivery device is a minimally invasive like CRONUSTMThe intraoperative stent system, which is not described in detail herein.
The above examples represent only a few embodiments of the invention, whose description is represented in a simplified schematic representation and not to be understood as limiting the scope of the patent. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of this patent shall be subject to the appended claims.
Claims (10)
1. The artificial blood vessel with the sleeve comprises a first section of artificial blood vessel, a second section of artificial blood vessel and an inner sleeve, and is characterized in that the inner sleeve is connected with the artificial blood vessel, the opening of the inner sleeve is positioned in the first section of artificial blood vessel, and the second section of artificial blood vessel is an artificial blood vessel with a bracket.
2. An artificial blood vessel with a sleeve comprises a first section of artificial blood vessel, a second section of artificial blood vessel, an inner sleeve and an outer sleeve, wherein the first section of artificial blood vessel is connected with the second section of artificial blood vessel, and the artificial blood vessel is characterized in that: the inner sleeve is connected with the artificial blood vessel, the opening of the inner sleeve is positioned in the first section of the artificial blood vessel, the first section of the artificial blood vessel is provided with a stent, the region of the stent of the first section of the blood vessel is positioned in the region of the inner sleeve, the second section of the artificial blood vessel is an artificial blood vessel with a stent, and the outer sleeve is a closed loop.
3. An artificial blood vessel with a sleeve comprises a first section of artificial blood vessel, a second section of artificial blood vessel, an inner sleeve and an outer sleeve, wherein the first section of artificial blood vessel is connected with the second section of artificial blood vessel, and the artificial blood vessel is characterized in that: the inner oversleeve is connected with an artificial blood vessel, the opening of the inner oversleeve is positioned in the first section of artificial blood vessel, the first section of artificial blood vessel is provided with a stent, the region of the stent of the first section of blood vessel is positioned in the region of the inner oversleeve, the second section of artificial blood vessel is an artificial blood vessel with a stent, the outer oversleeve is an open loop and is provided with Velcro (Velcro), and the Velcro is used for fixing and tensioning the outer oversleeve.
4. An artificial blood vessel with a cuff as claimed in claims 2 and 3, wherein: the outer side of the outer sleeve is provided with a clasp and at least one retaining ring, and the effect of tightening the anastomotic stoma is achieved through buckling of the clasp and the retaining ring.
5. An artificial blood vessel component with a sleeve comprises a first section of artificial blood vessel, a second section of artificial blood vessel, an inner sleeve and a fixing clamp with a cushion, wherein the first section of artificial blood vessel is connected with the second section of artificial blood vessel, the inner sleeve is connected with the artificial blood vessel, the opening of the inner sleeve is positioned in the first section of artificial blood vessel, the first section of artificial blood vessel is partially provided with a support, the area of the support of the first section of artificial blood vessel is positioned in the area of the inner sleeve, the second section of artificial blood vessel is an artificial blood vessel with a support, and when the fixing clamp with the cushion is used for fixing the inner sleeve, the area of the support of the first section of artificial blood vessel is positioned in the area of the fixing clamp with the cushion.
6. The utility model provides an artificial blood vessel with oversleeve, includes first section artificial blood vessel, second section artificial blood vessel and interior oversleeve, its characteristics are: the inner oversleeve is connected with the artificial blood vessel, and the oversleeve opening is positioned at the first section of the artificial blood vessel.
7. The vascular prosthesis with cuff of any one of claims 1, 2, 3, 5 and 6, wherein: the first section of artificial blood vessel and the second section of artificial blood vessel are made of the same or different materials.
8. The utility model provides an artificial blood vessel subassembly with oversleeve, includes the support ring, its characteristics lie in: the support ring is a closed ring or a closed ring.
9. The utility model provides an artificial blood vessel subassembly with oversleeve, includes the support ring, its characteristics lie in: the support ring is in a straight cylinder shape, an inner concave shape or an outer convex shape.
10. A using method of an artificial blood vessel with a sleeve is characterized in that: the inner sleeve is inosculated with the blood vessel of the human body by using a suture, or the outer sleeve or the fixing clamp with the cushion wraps the inner sleeve and the bracket in the inner sleeve, or the outer sleeve or the fixing clamp with the cushion wraps the support ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910279218.8A CN111759533A (en) | 2019-03-27 | 2019-03-27 | Artificial blood vessel with oversleeve and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910279218.8A CN111759533A (en) | 2019-03-27 | 2019-03-27 | Artificial blood vessel with oversleeve and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111759533A true CN111759533A (en) | 2020-10-13 |
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ID=72718303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910279218.8A Pending CN111759533A (en) | 2019-03-27 | 2019-03-27 | Artificial blood vessel with oversleeve and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111759533A (en) |
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2019
- 2019-03-27 CN CN201910279218.8A patent/CN111759533A/en active Pending
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